Ball pressure testing equipment

Abstract

The embodiment of the invention provides ball pressure testing equipment. The ball pressure test equipment comprises a first shell, a bearing device, a ball pressure test assembly, a lifting device and a liquid storage tank. The first shell comprises a bottom plate with an avoiding hole. The bearing device comprises a bearing plate arranged on the bottom plate. The bearing plate is provided with a closing position and an opening position for closing or opening the avoiding hole. The bearing plate moves relative to the bottom plate so as to close or open the receding hole. The ball pressure testing assembly is arranged in the first shell. The ball pressure test assembly comprises a bearing platform and a ball pressure load part. The ball pressure load part comprises a pressure ball. The bearing platform is arranged on the bearing plate at the closed position. The pressure ball is located above the bearing platform. The lifting device is arranged on the first shell. And the ball pressure load part is connected with the lifting device. The lifting device is used for increasing or decreasing the height of the ball pressure load component. And the liquid storage tank is arranged below the bottom plate. And when the bearing plate moves from the closed position to the open position, the bearing platform falls into the liquid storage tank through the avoiding hole.

Description

Technical Field

[0001] The embodiments of the present application relate to the technical field of testing equipment, and in particular to a ball pressure testing equipment. Background Art

[0002] In the field of electrical safety, the ball pressure test is one of the methods for determining the heat resistance of non-metallic and non-ceramic materials. During the test, a ball pressure tester of a certain mass is used to press into the surface of non-metallic and non-ceramic materials at a certain temperature and for a certain period of time to test the heat resistance of the material to ensure that the test product has sufficient supporting strength under high-temperature working conditions and does not cause electrical safety hazards. For example, for current-carrying components in products such as power adapters or televisions, it is necessary to conduct a ball pressure test on the insulating materials used in the current-carrying components to assess whether the current-carrying components will fail in safety insulation during long-term use, causing safety risks during use. In related technologies, when the ball pressure test equipment performs a ball pressure test, the ball pressure test equipment needs to be preheated. After the ball pressure test equipment completes preheating, the sample to be tested is manually placed in the ball pressure test equipment for relevant testing. After the test time is completed, the sample to be tested is manually removed from the ball pressure test equipment and processed and analyzed accordingly. However, since the internal temperature of the ball pressure testing equipment is relatively high, the process of manually placing the samples to be tested into the ball pressure testing equipment and taking the samples to be tested out of the ball pressure testing equipment requires performing related operations in a high temperature environment, resulting in a relative safety deviation problem in the ball pressure testing equipment in the related technology. Summary of the invention

[0003] The embodiment of the present application provides a ball pressure testing device, which can help improve the safety of the ball pressure testing device during use.

[0004] The present application provides a ball pressure test device, which includes a first shell, a supporting device, a ball pressure test assembly, a lifting device and a liquid storage tank. The first shell includes a bottom plate with an avoidance hole. The supporting device is arranged on the bottom plate. The supporting device includes a supporting plate. The supporting plate has a closed position for closing the avoidance hole and an open position for opening the avoidance hole. The supporting plate moves relative to the bottom plate to close or open the avoidance hole. The ball pressure test assembly is arranged in the first shell. The ball pressure test assembly includes a bearing platform and a ball pressure load component. The ball pressure load component includes a pressure ball. The bearing platform is arranged on the supporting plate in the closed position. The pressure ball is located above the bearing platform. The lifting device is arranged in the first shell. The ball pressure load component is connected to the lifting device. The lifting device is used to raise or lower the height of the ball pressure load component. The liquid storage tank is arranged below the bottom plate. The liquid storage tank has an upper opening facing the avoidance hole. When the supporting plate moves from the closed position to the open position, the bearing platform falls into the liquid storage tank through the avoidance hole.

[0005] The ball pressure testing equipment of the embodiment of the present application includes a lifting device, a supporting device and a liquid storage tank. The height of the ball pressure load component can be adjusted by the lifting device, so that when placing the sample to be tested, the operator does not need to manually take the ball pressure load component. After completing the test of the sample to be tested, the supporting device can realize the function of the load-bearing platform and the sample to be tested falling into the liquid storage tank below. The liquid storage tank can store cooling liquid to cool the sample to be tested. After completing the test of the sample to be tested, the operator is no longer required to manually take the sample to be tested and transfer the sample to be tested for cooling. Therefore, the ball pressure testing equipment of the embodiment of the present application can help improve the safety of the use process of the ball pressure testing equipment and reduce the possibility of adverse effects on personal health or personal safety.

[0006] In a possible embodiment, the support plate is rotatably connected to the base plate. The support plate rotates relative to the base plate around a horizontal axis. The support device further includes a locking assembly. The locking assembly is disposed on the base plate. The locking assembly locks the support plate in the closed position. When the locking assembly releases the support plate, the support plate rotates downward to an open position to open the avoidance hole.

[0007] After the locking assembly releases the support plate, the support plate can rotate downward around the horizontal axis under the action of its own gravity to move from the closed position to the open position. The support plate can open the avoidance hole by its own gravity, so that there is no need to set up an additional driving mechanism, which is conducive to reducing the number of parts used and reducing the difficulty of assembly.

[0008] In a possible implementation, the ball pressure test device further includes a controller. The locking assembly and the lifting device are both in communication connection with the controller. The controller controls the locking assembly to lock or release the support plate. The controller controls the lifting device to raise or lower the height of the ball pressure load component.

[0009] The method of controlling the locking assembly and the lifting device through the controller is conducive to improving the automation level of the ball pressure testing equipment and further reducing the degree of manual participation in the testing process.

[0010] In a possible implementation, the locking assembly includes an electromagnetic unit. When the support plate is in the closed position, the controller controls the electromagnetic unit to be energized, and the electromagnetic unit adsorbs the support plate to lock the support plate. When the support plate opens the avoidance hole, the controller controls the electromagnetic unit to be de-energized, and the electromagnetic unit releases the support plate to release the support plate.

[0011] The method of locking or releasing the support plate by energizing or de-energizing the electromagnetic unit makes the structure of the locking component itself relatively simple, which helps to reduce the difficulty of controlling the locking component.

[0012] In a possible embodiment, the locking assembly includes an electromagnetic unit, a locking member, and a reset member. The locking member is slidably connected to the base plate in the horizontal direction. The reset member connects the locking member and the base plate. The electromagnetic unit is arranged on the side of the locking member facing away from the avoidance hole. The controller controls the electromagnetic unit to be energized, the electromagnetic unit adsorbs the locking member, and the locking member is separated from the supporting plate to release the supporting plate. When the supporting plate is in the closed position, the controller controls the electromagnetic unit to be de-energized, the reset member drives the locking member to reset, and the locking member is connected to the supporting plate to lock the supporting plate.

[0013] When the supporting plate is in the closed position, the locking member can lift the supporting plate to lock the supporting plate to prevent the supporting plate from rotating under the action of gravity.

[0014] In a possible embodiment, the supporting device further includes a first driving assembly. The first driving assembly is disposed below the base plate. The first driving assembly includes a push member. The push member has a first position and a second position. When the push member moves from the first position to the second position, the push member drives the supporting plate to move from the open position to the closed position. When the supporting plate is in the closed position, the push member is located in the first position, and there is a distance between the supporting plate and the push member. When the supporting plate is in the open position, the supporting plate contacts the push member located in the first position, and the push member limits the supporting plate.

[0015] The first drive assembly can push the support plate to rotate, so as to move the support plate from the open position to the closed position, and the locking assembly can re-lock the support plate. Therefore, the support plate can be closed by operating the first drive assembly, which is conducive to reducing the degree of manual intervention.

[0016] When the supporting plate is in the open position, the supporting plate contacts the ejecting member located in the first position, so that the ejecting member limits the supporting plate, and thus the ejecting member can be used to limit the rotation angle of the supporting plate.

[0017] In a possible embodiment, the supporting plate is slidably connected to the bottom plate. The supporting device further includes a second drive assembly. The second drive assembly is disposed on the first housing. The supporting plate is connected to the second drive assembly. The second drive assembly is used to drive the supporting plate to slide in a horizontal direction relative to the bottom plate so that the supporting plate switches between a closed position and an open position.

[0018] The second drive assembly drives the support plate to slide in the horizontal direction so that the support plate moves from the open position to the closed position. Therefore, the support plate can be closed or opened by operating the second drive assembly, which is conducive to reducing the degree of manual participation in the closing and opening process of the support plate.

[0019] In a possible implementation, the ball pressure test device further includes a controller. The second drive assembly and the lifting device are both in communication connection with the controller. The controller controls the second drive assembly to drive the support plate to slide. The controller controls the lifting device to raise or lower the height of the ball pressure load component.

[0020] The controller can control the second drive component to drive the support plate to slide through the second drive component so that the support plate can switch between an open position and a closed position, thereby helping to further improve the degree of automation in the process of closing or opening the avoidance hole of the support plate and reduce the degree of manual participation.

[0021] In a possible embodiment, the ball pressure test device further includes a first annular seal. The first annular seal is disposed on the bottom plate. The avoidance hole corresponds to the center hole of the first annular seal. When the support plate is in the closed position, the support plate contacts the first annular seal. The first annular seal is used to seal the bottom plate and the support plate.

[0022] The first annular seal is used to seal the bottom plate and the supporting plate, thereby reducing the possibility of external cold air entering the accommodating chamber of the first shell due to a gap between the bottom plate and the supporting plate, thereby reducing the possibility of temperature deviation during the test process due to the entry of cold air.

[0023] In a possible implementation, the ball pressure load component further includes a connecting rod, a columnar load body and a counterweight. The connecting rod is connected to the columnar load body. The counterweight is arranged at the end of the connecting rod away from the columnar load body. The pressure ball is arranged at the bottom of the columnar load body. The connecting rod is connected to the lifting device.

[0024] The lifting device limits the connecting rod, which is beneficial to reducing the possibility of large movement of the cylindrical load body in the first horizontal direction X, and is beneficial to ensuring that the center of the pressure ball coincides with the central axis of the load-bearing platform or that the distance between the center of the pressure ball and the central axis of the load-bearing platform is relatively small to meet the error requirements. It is also beneficial to reducing the possibility of the ball pressure load component tipping over during the test, resulting in test failure and the need for retesting.

[0025] In a possible implementation, the lifting device includes a lifting component, a first hook and a second hook. The first hook and the second hook are both connected to the lifting component. The first hook and the second hook are spaced apart along a first horizontal direction. The first hook is connected to a connecting rod, and the second hook is connected to another connecting rod. In the first horizontal direction, the first hook and the second hook limit the columnar load body.

[0026] In the first horizontal direction, the first hook and the second hook limit the columnar load body, reducing the possibility of the columnar load body moving significantly in the first horizontal direction, which is beneficial to ensure that the center of the pressure ball coincides with the central axis of the load-bearing platform or that the distance between the center of the pressure ball and the central axis of the load-bearing platform is relatively small to meet the error requirements, and is also beneficial to reduce the possibility of the ball pressure load component tipping over during the test, resulting in test failure and the need for retesting.

[0027] In a possible embodiment, the lifting component includes a driver and a lead screw. The first hook and the second hook are both connected to the lead screw. The driver is connected to the lead screw. The driver drives the first hook and the second hook to rise or fall through the lead screw.

[0028] In a possible embodiment, the number of the lifting components is two. The lifting components include a driver and a lead screw. The first hook is connected to one lead screw, and the second hook is connected to the other lead screw. The driver drives the corresponding first hook and second hook to rise or fall through the lead screw.

[0029] In a possible embodiment, the first housing further includes a top plate. The driver is arranged above the top plate. The top plate has a mounting hole. The lead screw is passed through the mounting hole. The ball pressure testing device further includes a second annular seal. The second annular seal is arranged on the top plate. The mounting hole is arranged corresponding to the center hole of the second annular seal. The lead screw is passed through the second annular seal, and the second annular seal seals the top plate and the driver.

[0030] The driver is located outside the first shell, so when the accommodating chamber of the first shell is heated, the driver is not easily affected by the high temperature environment, thereby reducing the possibility of damage to the driver.

[0031] In a possible embodiment, the ball pressure testing device further includes a limiter. The limiter is disposed on the bottom plate. The limiters are respectively disposed on both sides of the avoidance hole along the first horizontal direction. The limiter includes a first limiter portion and a second limiter portion spaced apart along the second horizontal direction. A limiter groove is formed between the first limiter portion and the second limiter portion. The connecting rod moves in the limiter groove along the vertical direction. In the second horizontal direction, the first limiter portion and the second limiter portion limit the connecting rod. The first horizontal direction is perpendicular to the second horizontal direction.

[0032] In the second horizontal direction, the first limit portion and the second limit portion limit the connecting rod to achieve limiting the ball pressure load component, reducing the possibility of the ball pressure load component moving significantly in the second horizontal direction, which is beneficial to ensure that the center of the pressure ball coincides with the central axis of the load-bearing platform or to ensure that the distance between the center of the pressure ball and the central axis of the load-bearing platform is relatively small to meet the error requirements, and is also beneficial to reduce the possibility of the ball pressure load component tipping over during the test, resulting in test failure and the need for retesting.

[0033] In a possible implementation, the ball pressure test device further includes a pressure sensor. The pressure sensor is disposed on the support plate. When the support plate is in a closed position, the bearing platform is disposed on the support plate, and the pressure sensor is located below the bearing platform.

[0034] During the test, the ball pressure load component as a whole applies compressive stress to the sample to be tested, and the pressure sensor under the load platform can detect the pressure value of the sample to be tested. When it is detected that the pressure value of the sample to be tested does not meet the predetermined pressure value requirement, the test needs to be stopped and the ball pressure load component needs to be adjusted or replaced until the pressure sensor detects that the pressure value of the sample to be tested meets the predetermined pressure value, thereby ensuring that the sample to be tested completes the ball pressure test at the predetermined pressure and temperature, which is conducive to improving the accuracy and effectiveness of the test results.

[0035] In a possible implementation, a positioning mark is provided on the support plate, and the positioning mark is used to position the bearing platform so that the pressure sensor is located below the bearing platform.

[0036] When the support plate is in the closed position, during the process of placing the carrying platform on the support plate, the outer surface of the carrying platform can be aligned with the positioning mark by observation to ensure that the position of the carrying platform is accurately positioned, while effectively shortening the time of the carrying platform placement process and improving work efficiency.

[0037] In a possible implementation, the ball pressure testing device further includes a first temperature sensor. The first temperature sensor is disposed on the bottom plate. The first temperature sensor is used to detect the temperature of the bearing platform.

[0038] During the preheating process of the ball pressure test equipment, the temperature of the support platform can be monitored in real time by the first temperature sensor to ensure that the temperature meets the test requirements and reduce the possibility of errors.

[0039] In a possible implementation, the ball pressure test device further includes a second temperature sensor. The second temperature sensor is disposed on the ball pressure load component. The second temperature sensor is used to detect the temperature of the ball pressure load component.

[0040] During the preheating process of the ball pressure test equipment, the temperature of the ball pressure load component can be monitored in real time by the second temperature sensor to ensure that the temperature meets the test requirements and reduce the possibility of errors.

[0041] In a possible implementation, the ball pressure testing device further includes a third temperature sensor. The third temperature sensor is disposed in the first housing. The third temperature sensor is connected to the first housing. The third temperature sensor is used to detect the temperature in the first housing.

[0042] During the preheating process of the ball pressure test equipment, the ambient temperature in the first shell can be monitored in real time by the third temperature sensor to ensure that the temperature meets the test requirements and reduce the possibility of errors.

[0043] In a possible implementation, the ball pressure testing device further includes a second housing. The first housing is disposed in the second housing. A delivery channel is formed between the bottom plate and the second housing. The liquid storage tank is disposed in the delivery channel.

[0044] The second shell can protect the first shell and the structural parts arranged outside the first shell to avoid damage caused by accidental collision.

[0045] In a possible implementation, the ball pressure test device further comprises a conveying device, which is arranged in the conveying channel, and the liquid storage tank is arranged on the conveying device, which is used to convey the liquid storage tank to the outside of the second housing.

[0046] After the carrying platform and the sample to be tested fall into the liquid storage box, the liquid storage box is moved from the conveying channel to the outside of the second shell by the conveying device, which is beneficial to reduce the degree of manual participation in the test process.

[0047] In a possible implementation, the ball pressure testing device further comprises a door panel, which is connected to the second housing and is used to close or open the outlet of the conveying channel.

[0048] The door panel can protect the conveying channel and reduce the possibility of external debris entering the conveying channel.

[0049] In a possible implementation, the ball pressure test device further includes a delivery pump connected to the liquid storage tank and used to pump cooling liquid into the liquid storage tank or extract cooling liquid from the liquid storage tank.

[0050] The transfer pump is used to pump cooling liquid into the storage tank or extract cooling liquid from the storage tank, thereby improving the automation level of the process of filling or emptying the storage tank with cooling liquid. BRIEF DESCRIPTION OF THE DRAWINGS

[0051] Figure 1 A schematic diagram of the structure of the ball pressure test assembly provided for this application;

[0052] Figure 2 A schematic diagram of the structure of the ball pressure test assembly provided in the present application in a test state;

[0053] Figure 3 A schematic diagram of the partial structure of a ball pressure testing device provided in an embodiment of the present application;

[0054] Figure 4 A schematic diagram of the partial structure of a ball pressure testing device provided in an embodiment of the present application;

[0055] Figure 5 A partial cross-sectional structural schematic diagram of a ball pressure testing device provided in one embodiment of the present application;

[0056] Figure 6 A partial cross-sectional structural schematic diagram of a ball pressure testing device provided in one embodiment of the present application;

[0057] Figure 7 A partial cross-sectional structural schematic diagram of a ball pressure testing device provided in another embodiment of the present application;

[0058] Figure 8 A schematic diagram of a partial structure of a ball pressure testing device provided in another embodiment of the present application;

[0059] Fig. 9 A partial cross-sectional structural schematic diagram of a ball pressure testing device provided in another embodiment of the present application;

[0060] Fig.10 A partial cross-sectional structural schematic diagram of a ball pressure testing device provided in another embodiment of the present application;

[0061] Fig.11 A partial cross-sectional structural schematic diagram of a ball pressure testing device provided in yet another embodiment of the present application;

[0062] Fig.12 A partial cross-sectional structural schematic diagram of a ball pressure testing device provided in yet another embodiment of the present application;

[0063] Fig.13 A schematic diagram of a partial cross-sectional structure of a ball pressure testing device provided in an embodiment of the present application;

[0064] Fig.14 A schematic diagram of a partial cross-sectional structure of a ball pressure testing device provided in an embodiment of the present application;

[0065] Fig.15 A partial cross-sectional structural schematic diagram of a ball pressure testing device provided in yet another embodiment of the present application;

[0066] Fig.16 A schematic diagram of a partial cross-sectional structure of a ball pressure testing device provided in an embodiment of the present application;

[0067] Fig.17 A schematic diagram of a partial cross-sectional structure of a ball pressure testing device provided in an embodiment of the present application;

[0068] Fig.18 A partial cross-sectional structural schematic diagram of a ball pressure testing device provided in yet another embodiment of the present application;

[0069] Fig.19 A schematic diagram of a partial cross-sectional structure of a ball pressure testing device provided in an embodiment of the present application;

[0070] Fig. 20 A partial cross-sectional structural schematic diagram of a ball pressure testing device provided in yet another embodiment of the present application;

[0071] Fig.21 A schematic diagram of a partial cross-sectional structure of a ball pressure testing device provided in an embodiment of the present application;

[0072] Fig. 22 A schematic diagram of a partial structure of a ball pressure testing device provided in one embodiment of the present application;

[0073] Fig.23 A partial cross-sectional structural schematic diagram of a ball pressure testing device provided in one embodiment of the present application;

[0074] Fig.24 A schematic diagram of a partial structure of a ball pressure testing device provided in one embodiment of the present application;

[0075] Fig.25 A schematic diagram of a partial structure of a ball pressure testing device provided in one embodiment of the present application;

[0076] Fig.26 A schematic diagram of a partial structure of a ball pressure testing device provided in one embodiment of the present application;

[0077] Fig. 27 A schematic diagram of the connection structure between the support plate and the pressure sensor provided in one embodiment of the present application;

[0078] Fig.28 A schematic diagram of a partial structure of a ball pressure testing device provided in one embodiment of the present application;

[0079] Fig.29 A schematic diagram of a partial structure of a ball pressure testing device provided in one embodiment of the present application;

[0080] Fig.30 A schematic diagram of the partial structure of a ball pressure testing device provided in one embodiment of the present application.

[0081] Reference numerals:

[0082] 10. Ball pressure test equipment; 20. Ball pressure test assembly; 21. Carrying platform; 22. Ball pressure load component; 221. Pressure ball; 222. Connecting rod; 223. Column load body; 224. Counterweight; 30. First shell; 30a. Accommodating chamber; 31. Bottom plate; 311. Avoidance hole; 312. Support; 313. Horizontal guide; 32. Top plate; 33. Side plate; 40. Support device; 41. Support plate; 411. Plate body; 412. Positioning mark; 42. Locking assembly; 421. Electromagnetic unit; 422. Bracket; 423. Locking member; 423a. Rod body; 423b. Cap body; 4231. Main body; 424. Reset member; 43. First drive assembly; 431. Push member; 44. Second drive assembly; 5 0, lifting device; 51, lifting component; 52, first hook; 53, second hook; 60, liquid storage tank; 70, controller; 80, first annular seal; 90, limit member; 90a, limit groove; 91, first limit part; 92, second limit part; 100, second annular seal; 110, magnet; 120, telescopic rod; 130, lead screw; 140, driver; 150, pressure sensor; 160, first temperature sensor; 170, second temperature sensor; 180, third temperature sensor; 190, second shell; 200, conveying channel; 210, conveying device; 220, door panel; 230, conveying pump; 240, operating door; S, sample to be tested; X, first horizontal direction; Y, second horizontal direction; Z, vertical direction. DETAILED DESCRIPTION

[0083] Figure 1 The structure of the ball pressure test assembly 20 is schematically shown. Figure 2 The structure of the ball pressure test assembly 20 in the test state is schematically shown. Figure 1 and Figure 2As shown, the ball pressure test assembly 20 includes a bearing platform 21 and a ball pressure load component 22. The bearing platform 21 has a flat bearing surface. The bearing surface of the bearing platform 21 is used to place the sample S to be tested. The sample S to be tested can be a sheet with uniform thickness. The shape of the sample S to be tested can be square or round. The ball pressure load component 22 includes a pressure ball 221. After the sample S to be tested is placed on the bearing platform 21, the ball pressure load component 22 is placed on the sample S to be tested so that the pressure ball 221 of the ball pressure load component 22 is pressed on the sample S to be tested. The ball pressure load component 22 applies pressure to the sample S to be tested through the pressure ball 221. The overall gravity of the ball pressure load component 22 is the pressure borne by the sample S to be tested. After a predetermined test time, the ball pressure load component 22 is removed from the sample S to be tested. Exemplarily, the predetermined test time can be 2 hours. Under the action of the pressure ball 221, an indentation will be formed on the sample S to be tested. The maximum diameter of the indentation is measured and analyzed to evaluate the heat resistance of the sample S under a predetermined pressure and a predetermined temperature.

[0084] The ball pressure test device includes a ball pressure test assembly 20. The bearing platform 21 and the ball pressure load component 22 can both be steel components. Before placing the sample S to be tested on the bearing platform 21, the ball pressure test device is required to preheat the ball pressure test assembly 20 and the surrounding environment of the ball pressure test assembly 20. Exemplarily, the ball pressure test assembly 20 is heated to a predetermined temperature, for example, the predetermined temperature is 70°C to 120°C.

[0085] In the related art, after the ball pressure test assembly 20 is preheated, the operator needs to manually open the operating door of the ball pressure test equipment, and then first pick up the ball pressure load component 22 by hand, place the sample S to be tested on the bearing surface of the bearing platform 21, and then place the ball pressure load component 22 on the sample S to be tested. The ball pressure test is completed after a predetermined test time. After that, the operator opens the operating door of the pressure test equipment again, and then first picks up the ball pressure load component 22 by hand, removes the sample S to be tested from the bearing platform 21, and then places the ball pressure load component 22 on the bearing platform 21. The removed sample S to be tested needs to be placed in a cooling liquid for cooling within a predetermined time. For example, the removed sample S to be tested needs to be placed in a cooling liquid within 10 seconds. The removed sample S to be tested can be placed in a cooling liquid for cooling for a predetermined time. Exemplarily, the cooling liquid can be water. For example, the cooling liquid can be water with a temperature of 17°C to 23°C. The predetermined time can be 4 minutes to 8 minutes.

[0086] During the process of placing and removing the sample S to be tested, the internal environment of the ball pressure test equipment and the ball pressure test assembly 20 are in a high temperature state. During the operation, the operator needs to face the high temperature environment for a long time to perform related operations, and needs to manually take and place the ball pressure load component 22. There is a risk of being scalded by the ball pressure test assembly 20 or other high-temperature structural parts around the ball pressure test assembly 20, which affects the safety of the ball pressure test equipment during use.

[0087] The ball pressure testing equipment of the embodiment of the present application includes a lifting device, a supporting device and a liquid storage tank. The height of the ball pressure load component 22 can be adjusted by the lifting device, so that when placing the sample S to be tested, the operator does not need to manually pick up the ball pressure load component 22. After completing the test of the sample S to be tested, the supporting device can realize the function of the carrying platform 21 and the sample S to be tested falling into the liquid storage tank below. Cooling liquid can be stored in the liquid storage tank to cool the sample S to be tested. After completing the test of the sample S to be tested, the operator is no longer required to manually pick up the sample S to be tested and transfer the sample S to be tested for cooling. Therefore, the ball pressure testing equipment of the embodiment of the present application can help improve the safety of the use process of the ball pressure testing equipment and reduce the possibility of adverse effects on personal health or personal safety.

[0088] Figure 3 The partial structure of the ball pressure testing device 10 is schematically shown. Figure 4 The partial structure of the ball pressure testing device 10 is schematically shown. Figure 5 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Figure 6 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Figures 3 to 6 As shown, the ball pressure testing device 10 includes a first shell 30 , a supporting device 40 , a ball pressure testing assembly 20 , a lifting device 50 and a liquid storage tank 60 .

[0089] The first shell 30 includes a bottom plate 31. The first shell 30 has a accommodating chamber 30a. The bottom plate 31 has an avoidance hole 311. The avoidance hole 311 is connected to the accommodating chamber 30a. The accommodating chamber 30a can be connected to the environment outside the first shell 30 through the avoidance hole 311. The supporting device 40 is arranged on the bottom plate 31. The supporting device 40 includes a supporting plate 41. The supporting plate 41 has a closing position for closing the avoidance hole 311 and an opening position for opening the avoidance hole 311. The supporting plate 41 moves relative to the bottom plate 31 to close or open the avoidance hole 311. The supporting device 40 can control the supporting plate 41 to move from the closed position to the open position to open the avoidance hole 311. Alternatively, the supporting device 40 can control the supporting plate 41 to switch between the closed position and the open position to close or open the avoidance hole 311. The ball pressure test assembly 20 is arranged in the first shell 30. The ball pressure test assembly 20 includes a bearing platform 21 and a ball pressure load component 22. The ball pressure load component 22 includes a pressure ball 221. The bearing platform 21 is arranged on a support plate 41 in a closed position. The pressure ball 221 is located above the bearing platform 21. A lifting device 50 is arranged on the first shell 30. The ball pressure load component 22 is connected to the lifting device 50. The lifting device 50 is used to raise or lower the height of the ball pressure load component 22. The liquid storage tank 60 is arranged below the bottom plate 31. The liquid storage tank 60 has an upper opening facing the avoidance hole 311. When the support plate 41 moves from the closed position to the open position, the bearing platform 21 falls into the liquid storage tank 60 through the avoidance hole 311.

[0090] When testing, the supporting plate 41 of the supporting device 40 can be in a closed position. The bearing platform 21 can be placed on the supporting plate 41. The ball pressure load component 22 and the bearing platform 21 are located in the accommodating chamber 30a of the first shell 30. The pressure ball 221 of the ball pressure load component 22 can contact the bearing surface of the bearing platform 21, so that the bearing platform 21 can lift the ball pressure load component 22. The lifting device 50 can be in a separated state from the ball pressure load component 22, so that the lifting device 50 does not apply a force along the vertical direction Z to the ball pressure load component 22, that is, the ball pressure load component 22 is in a free state. Alternatively, the lifting device 50 can suspend the ball pressure load component 22, so that the lifting device 50 applies an upward force along the vertical direction Z to the ball pressure load component 22, and at the same time, there is a distance between the pressure ball 221 of the ball pressure load component 22 and the bearing surface of the bearing platform 21.

[0091] The ball pressure test device 10 is preheated so that the temperatures of the accommodating chamber 30a of the first shell 30, the ball pressure load component 22 and the bearing platform 21 are approximately the same. Exemplarily, the temperature difference between the temperatures of the accommodating chamber 30a, the ball pressure load component 22 and the bearing platform 21 is less than or equal to 0.5 degrees Celsius (℃). When the pressure ball 221 of the ball pressure load component 22 is in contact with the bearing surface of the bearing platform 21, the lifting device 50 can first raise the height of the ball pressure load component 22 so that there is a gap between the pressure ball 221 of the ball pressure load component 22 and the bearing surface of the bearing platform 21, so that the operator can place the sample S to be tested on the bearing surface of the bearing platform 21. When there is a gap between the pressure ball 221 of the ball pressure load component 22 and the bearing surface of the bearing platform 21, the operator can directly place the sample S to be tested on the bearing surface of the bearing platform 21. Then, the operator can lower the height of the ball pressure load component 22 through the lifting device 50 so that the pressure ball 221 of the ball pressure load component 22 is in contact with the upper surface of the sample S to be tested. The lifting device 50 is continuously operated to ensure that the lifting device 50 and the ball pressure load component 22 are in a separated state, so that the lifting device 50 no longer applies a force in the vertical direction Z to the ball pressure load component 22, thereby ensuring that the overall gravity of the ball pressure load component 22 acts on the sample S to be tested. Under the overall gravity of the ball pressure load component 22, the pressure ball 221 of the ball pressure load component 22 can form a corresponding indentation on the sample S to be tested.

[0092] When the test is completed, the lifting device 50 is operated, and the lifting device 50 contacts the ball pressure load component 22 again and applies an upward force along the vertical direction Z. The height of the ball pressure load component 22 is raised by the lifting device 50, so that the pressure ball 221 of the ball pressure load component 22 is separated from the sample S to be tested. The supporting device 40 is operated, and the supporting plate 41 of the supporting device 40 moves from the closed position to the open position, so that the supporting plate 41 opens the avoidance hole 311. After the supporting plate 41 opens the avoidance hole 311, the bearing platform 21 placed on the supporting plate 41 can fall from the supporting plate 41, and then the bearing platform 21 and the sample S to be tested fall into the liquid storage tank 60 below through the avoidance hole 311. The liquid storage tank 60 can store cooling liquid in advance. The cooling liquid can cool the sample S to be tested and the bearing platform 21. After the sample S to be tested is immersed in the cooling liquid for a predetermined period of time, the indentation on the sample S to be tested is measured and analyzed.

[0093] The ball pressure test device 10 of the embodiment of the present application includes a supporting device 40, a ball pressure test assembly 20, a lifting device 50 and a liquid storage tank 60. When the ball pressure test device 10 needs to be used for testing, the supporting plate 41 is placed in a closed position to close the avoidance hole 311 of the bottom plate 31, and the bearing platform 21 is placed on the supporting plate 41. Then, after the ball pressure test device 10 is preheated, the position of the ball pressure load component 22 can be adjusted by the lifting device 50. The operator places the sample to be tested at a predetermined position of the bearing platform 21, and then lowers the ball pressure load component 22 by the lifting device 50 so that the pressure ball 221 is pressed on the sample to be tested S. After the test is completed, the supporting device 40 is operated so that the supporting plate 41 opens the avoidance hole 311. The bearing platform 21 on the supporting plate 41 can fall from the supporting plate 41 and fall into the liquid storage tank 60 below through the avoidance hole 311 for cooling. Therefore, during the test using the ball pressure testing equipment 10, the operator no longer needs to manually operate the ball pressure load component 22. At the same time, after the test is completed, it is no longer necessary to manually remove the sample S to be tested, which is beneficial to improving the safety of the use process of the ball pressure testing equipment 10 and reducing the possibility of adverse effects on personal health or personal safety.

[0094] In addition, after completing the test of the sample S to be tested, the sample S to be tested can be directly dropped into the cooling liquid for cooling, so that the operator no longer needs to manually take the sample S to be tested and transfer the sample S to be tested for cooling, which effectively shortens the transfer time of the sample S to be tested, helps to reduce test errors and improve test accuracy.

[0095] In some achievable embodiments, the ball pressure test device 10 further includes a heating wire (not shown in the figure). The ball pressure test device 10 is preheated by the heating wire. Exemplarily, the heating wire may be disposed in the first housing 30 .

[0096] In some possible implementations, see Figure 4 , Figure 5 and Figure 6 As shown, the supporting plate 41 is rotatably connected to the bottom plate 31. The supporting plate 41 rotates around a horizontal axis relative to the bottom plate 31. The supporting device 40 also includes a locking assembly 42. The locking assembly 42 is disposed on the bottom plate 31. The locking assembly 42 locks the supporting plate 41 in the closed position. When the locking assembly 42 releases the supporting plate 41, the supporting plate 41 rotates downward to the open position to open the avoidance hole 311.

[0097] When the supporting plate 41 is in the closed position, the locking assembly 42 locks the supporting plate 41, which helps to ensure that the supporting plate 41 is stably maintained in the closed position and reduces the possibility of the supporting plate 41 accidentally opening the avoidance hole 311. The locking assembly 42 can apply a force along the vertical direction Z to the supporting plate 41 to lift the supporting plate 41.

[0098] When the locking assembly 42 releases the support plate 41, the locking assembly 42 and the support plate 41 are separated from each other, so that the locking assembly 42 no longer applies a limiting force to the support plate 41. In some examples, after the locking assembly 42 releases the support plate 41, the support plate 41 can rotate downward around the horizontal axis under the action of its own gravity to move from the closed position to the open position. The support plate 41 can open the avoidance hole 311 by its own gravity, so that there is no need to set up an additional driving mechanism, which is conducive to reducing the number of parts used and reducing the difficulty of assembly.

[0099] A rotating shaft may be provided on the supporting plate 41, and an axle seat may be provided on the bottom plate 31. The rotating shaft of the supporting plate 41 is rotatably connected to the axle seat on the bottom plate 31. In the horizontal direction, the rotating shaft of the supporting plate 41 and the locking assembly 42 are arranged at intervals. The shape of the supporting plate 41 may be, but not limited to, a rectangle. The shape of the avoidance hole 311 on the bottom plate 31 may be, but not limited to, a rectangle.

[0100] In some examples, the support plate 41 can be operated manually, that is, the support plate 41 is manually rotated to move the support plate 41 from the open position to the closed position. During the test of the sample to be tested, the locking assembly 42 locks the support plate 41 in the closed position. After the test is completed, the locking assembly 42 is operated to release the support plate 41. The support plate 41 flips downward under the action of its own gravity, and the bearing platform 21 and the sample to be tested S placed on the support plate 41 can also fall under the action of their own gravity and fall into the liquid storage tank 60 below through the avoidance hole 311. When the ball pressure test device 10 needs to be used for testing again, since the ball pressure test device 10 has completed heat dissipation and cooling as a whole, the support plate 41 can be rotated manually to move the support plate 41 from the open position to the closed position, and the locking assembly 42 can re-lock the support plate 41. Then the bearing platform 21 is placed on the support plate 41.

[0101] See also Figure 4As shown, the ball pressure test device 10 also includes a controller 70. The locking assembly 42 and the lifting device 50 are both connected to the controller 70 in communication. The controller 70 controls the locking assembly 42 to lock or release the support plate 41. The controller 70 controls the lifting device 50 to raise or lower the height of the ball pressure load component 22. After the support plate 41 moves from the open position to the closed position, the locking assembly 42 can be controlled by the controller 70 to automatically enter the locking state to lock the support plate 41. When the support plate 41 needs to open the avoidance hole 311, the locking assembly 42 can be controlled by the controller 70 to automatically switch from the locking state to the releasing state to release the support plate 41. In the process of placing or removing the sample S to be tested on the carrying platform 21, the lifting device 50 can be controlled by the controller 70 so that the lifting device 50 raises or lowers the ball pressure load component 22. The way in which the locking assembly 42 and the lifting device 50 are controlled by the controller 70 is conducive to improving the automation level of the ball pressure test device 10 and further reducing the degree of manual participation in the test process.

[0102] Exemplarily, the controller 70 may include control buttons and a display screen to facilitate operators to perform corresponding operations accurately and quickly.

[0103] For some examples, see Figure 5 and Figure 6 As shown, the locking assembly 42 includes an electromagnetic unit 421. When the support plate 41 is in the closed position, the controller 70 controls the electromagnetic unit 421 to be energized. The electromagnetic unit 421 adsorbs the support plate 41 to lock the support plate 41. When the support plate 41 needs to open the avoidance hole 311, the controller 70 controls the electromagnetic unit 421 to be de-energized, and the electromagnetic unit 421 releases the support plate 41 to release the support plate 41. The locking or releasing of the support plate 41 is achieved by energizing or de-energizing the electromagnetic unit 421, so that the structure of the locking assembly 42 itself is relatively simple, which is conducive to reducing the difficulty of controlling the locking assembly 42.

[0104] Exemplarily, the supporting plate 41 itself may be a magnetic conductive plate, so that when the electromagnetic unit 421 is powered on to generate a magnetic field, the electromagnetic unit 421 may adsorb the supporting plate 41. For example, the material of the supporting plate 41 may be steel or iron.

[0105] For example, Figure 7 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Figure 7As shown, the support plate 41 may include a plate body 411 and a magnet 110. The magnet 110 is disposed on the plate body 411. Exemplarily, the magnet 110 may be bonded to the plate body 411. The plate body 411 has a rotating shaft. The plate body 411 is rotatably connected to the bottom plate 31 via the rotating shaft. In the horizontal direction, the magnet 110 is spaced apart from the rotating shaft. When the support plate 41 is in the closed position, the electromagnetic unit 421 is disposed facing the magnet 110, so that when the electromagnetic unit 421 is energized, the electromagnetic unit 421 can adsorb the magnet 110. When the support plate 41 is in the closed position, the magnet 110 can be observed through the avoidance hole 311. Exemplarily, the material of the plate body 411 may be plastic, aluminum or aluminum alloy. Exemplarily, the plate body 411 may be a magnetic conductor. For example, the material of the plate body 411 may be steel or iron.

[0106] The locking assembly 42 may include a bracket 422. The bracket 422 is disposed on the bottom plate 31. The electromagnetic unit 421 is disposed on the bracket 422. The bracket 422 may be located in the accommodating chamber 30a of the first housing 30. The electromagnetic unit 421 may be disposed corresponding to the avoidance hole 311. Exemplarily, along the vertical direction Z, the orthographic projection of the electromagnetic unit 421 may be located in the orthographic projection of the avoidance hole 311.

[0107] In some examples, Figure 8 The partial structure of the ball pressure testing device 10 is schematically shown. Fig. 9 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Fig.10 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Figures 8 to 10 As shown, the locking assembly 42 includes an electromagnetic unit 421, a locking member 423 and a reset member 424. The locking member 423 is slidably connected to the bottom plate 31 in the horizontal direction. The reset member 424 connects the locking member 423 and the bottom plate 31. The electromagnetic unit 421 is arranged on the side of the locking member 423 facing away from the avoidance hole 311. The controller 70 controls the electromagnetic unit 421 to be energized. The electromagnetic unit 421 adsorbs the locking member 423. The locking member 423 is separated from the supporting plate 41 to release the supporting plate 41. The supporting plate 41 moves from the closed position to the open position to open the avoidance hole 311. When the supporting plate 41 is in the closed position to close the avoidance hole 311, the controller 70 controls the electromagnetic unit 421 to be de-energized. The reset member 424 drives the locking member 423 to reset. The locking member 423 is connected to the supporting plate 41 to lock the supporting plate 41. When the supporting plate 41 is in the closed position, the locking member 423 can lift the supporting plate 41 to lock the supporting plate 41 to prevent the supporting plate 41 from rotating under the action of gravity.

[0108] Exemplarily, the locking member 423 itself may be a magnetic conductor, so that when the electromagnetic unit 421 is energized to generate a magnetic field, the electromagnetic unit 421 may adsorb the locking member 423. For example, the locking member 423 may be made of steel or iron.

[0109] For example, Fig.11 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Fig.11 As shown, the locking member 423 may include a main body 4231 and a magnet 110. The main body 4231 is slidably connected to the bottom plate 31. The magnet 110 is disposed on the main body 4231. For example, the magnet 110 may be bonded to the main body 4231. When the electromagnetic unit 421 is powered, the electromagnetic unit 421 may adsorb the magnet 110. The magnet 110 and the main body 4231 slide synchronously relative to the bottom plate 31. For example, the main body 4231 may be a magnetic conductor. For example, the material of the main body 4231 may be steel or iron.

[0110] Exemplarily, the reset component 424 may be an elastic reset component. For example, the reset component 424 may be a coil spring. When the electromagnetic unit 421 adsorbs the locking member 423, the reset component 424 may be in a compressed state to accumulate elastic potential energy. When the electromagnetic unit 421 releases the locking member 423, the reset component 424 may release the elastic potential energy to drive the locking member 423 to reset.

[0111] For example, see Fig.10 and Fig.11 As shown, the electromagnetic unit 421, the locking member 423 and the reset member 424 are arranged below the base plate 31. The base plate 31 is provided with a support 312. The locking member 423 is slidably connected to the support 312. The reset member 424 connects the locking member 423 and the support 312. Exemplarily, the locking member 423 may include a rod body 423a and a cap body 423b connected to each other. The support 312 has a horizontal guide hole. The rod body 423a is penetrated in the horizontal guide hole to be slidably connected to the support 312. The reset member 424 connects the locking member 423 and the support 312. The reset member 424 and the cap body 423b are respectively located on both sides of the horizontal guide hole. The cap body 423b can form a limit to prevent the locking member 423 from being disconnected from the support 312. Exemplarily, when the support plate 41 is in the closed position, a portion of the locking member 423 may be located below the support plate 41, so that the locking member 423 may lift the support plate 41 to lock the support plate 41 and prevent the support plate 41 from rotating under the action of gravity.

[0112] Exemplarily, a limiting hole (not shown) is provided on the supporting plate 41. When the supporting plate 41 is in the closed position, the locking member 423 can be inserted into the limiting hole in the horizontal direction, so that the locking member 423 can lift the supporting plate 41 to lock the supporting plate 41 and prevent the supporting plate 41 from rotating under the action of gravity.

[0113] In some achievable ways, Fig.12 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Fig.13 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Fig.14 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Figure 12 to Figure 14 As shown, the supporting device 40 further includes a first driving assembly 43. The first driving assembly 43 is disposed below the bottom plate 31. The first driving assembly 43 includes a push member 431. The push member 431 has a first position and a second position. When the push member 431 moves from the first position to the second position, the push member 431 drives the supporting plate 41 to move from the open position to the closed position. After the supporting plate 41 closes the avoidance hole 311, the push member 431 retreats from the second position to the first position. Fig.12 As shown, when the supporting plate 41 is in the closed position, the push member 431 is in the first position. At this time, there is a distance between the supporting plate 41 and the push member 431, so that the supporting plate 41 can be avoided to ensure that the supporting plate 41 can be smoothly rotated to open the avoidance hole 311. Fig.13 As shown, when the supporting plate 41 is in the open position, the supporting plate 41 contacts the ejection member 431 located in the first position, so that the ejection member 431 limits the supporting plate 41, and thus the ejection member 431 can be used to limit the rotation angle of the supporting plate 41. For example, the rotation angle of the supporting plate 41 can be 70° to 80°. The rotation angle of the supporting plate 41 refers to the angle between the supporting plate 41 and the bottom plate 31 when the supporting plate 41 is in the open position.

[0114] The ejector 431 and the support plate 41 are in direct contact and can slide against each other in the contact state. When the ejector 431 pushes the support plate 41, the ejector 431 slides on the support plate 41. Exemplarily, the ejector 431 has a spherical surface or a cylindrical surface. The spherical surface or cylindrical surface of the ejector 431 is used to contact the support plate 41. The contact area between the spherical surface or cylindrical surface of the ejector 431 and the support plate 41 is small, which is conducive to reducing the sliding friction resistance.

[0115] During the test of the sample to be tested, the locking assembly 42 locks the support plate 41 in the closed position. After the test is completed, the locking assembly 42 is operated to release the support plate 41. The support plate 41 flips downward under the action of its own gravity, and the carrying platform 21 and the sample to be tested S placed on the support plate 41 can also fall under the action of their own gravity and fall into the liquid storage tank 60 below through the avoidance hole 311. Then, the first drive assembly 43 can push the support plate 41 to rotate to move the support plate 41 from the open position to the closed position, and the locking assembly 42 can re-lock the support plate 41. Therefore, the support plate 41 can be closed by operating the first drive assembly 43, which is conducive to reducing the degree of manual participation.

[0116] The first drive assembly 43 is in communication connection with the controller 70. The controller 70 can control the first drive assembly 43 to drive the support plate 41 to rotate through the first drive assembly 43, so as to move the support plate 41 from the open position to the closed position, thereby facilitating further improving the degree of automation of the process of closing or opening the avoidance hole 311 of the support plate 41 and reducing the degree of manual participation.

[0117] In some examples, the first drive assembly 43 may be a hydraulic cylinder or an electric cylinder. Fig.14 As shown, the first driving assembly 43 includes a telescopic rod 120. A push member 431 is connected to the telescopic rod 120. The first driving assembly 43 drives the telescopic rod 120 to extend or retract, so as to drive the push member 431 to move between the first position and the second position.

[0118] In some examples, Fig.15 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Fig.16 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Fig.17 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Figures 15 to 17 As shown, the first drive assembly 43 may include a lead screw 130. A push member 431 is connected to the lead screw 130. The first drive assembly 43 drives the lead screw 130 to extend or retract to drive the push member 431 to move between the first position and the second position. For example, the first drive assembly 43 may be a worm gear screw elevator. The first drive assembly 43 includes a motor and a worm gear. The motor drives the worm gear to rotate. The worm gear drives the lead screw 130 to move up and down. The lead screw 130 can be driven to extend or retract through the worm gear.

[0119] In some examples, the ball pressure testing device 10 also includes a first annular seal 80. The first annular seal 80 is disposed on the bottom plate 31. The avoidance hole 311 corresponds to the center hole of the first annular seal 80. When the support plate 41 is in the closed position, the support plate 41 is in contact with the first annular seal 80. The first annular seal 80 is used to seal the bottom plate 31 and the support plate 41, thereby reducing the possibility of external cold air entering the accommodating chamber 30a of the first shell 30 due to the presence of a gap between the bottom plate 31 and the support plate 41, thereby reducing the possibility of temperature deviation during the test due to the entry of cold air. When the support plate 41 is in the closed position, the support plate 41 can apply compressive stress to the first annular seal 80 so that the support plate 41 and the first annular seal 80 fit tightly.

[0120] Exemplarily, the first annular seal 80 may be bonded to the bottom plate 31 .

[0121] By way of example, the material of the first annular seal 80 may be rubber.

[0122] In some achievable ways, Fig.18 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Fig.19 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Fig.18 and Fig.19 As shown, the supporting plate 41 is slidably connected to the bottom plate 31. The supporting device 40 also includes a second driving assembly 44. The second driving assembly 44 is disposed on the first housing 30. The supporting plate 41 is connected to the second driving assembly 44. The second driving assembly 44 is used to drive the supporting plate 41 to slide in a horizontal direction relative to the bottom plate 31, so that the supporting plate 41 switches between a closed position and an open position.

[0123] During the test, the support plate 41 is in the closed position. After the test is completed, the support plate 41 is driven to slide in the horizontal direction by the second drive assembly 44, so that the support plate 41 moves from the closed position to the open position. Exemplarily, during the movement of the support plate 41, the bottom plate 31 can form a limit constraint on the bearing platform 21, so that the bearing platform 21 slides relative to the support plate 41 until the bearing platform 21 falls from the edge of the support plate 41. Then, the support plate 41 is driven to slide in the horizontal direction by the second drive assembly 44, so that the support plate 41 moves from the open position to the closed position. Therefore, the support plate 41 can be closed or opened by operating the second drive assembly 44, which is conducive to reducing the degree of manual participation in the closing and opening process of the support plate 41.

[0124] In some examples, the support plate 41 is disposed below the bottom plate 31. When the support plate 41 is in the closed position, the carrying platform 21 is placed on the support plate 41. A portion of the carrying platform 21 is located in the avoidance hole 311. In the process of the support plate 41 sliding to open the avoidance hole 311, the carrying platform 21 and the support plate 41 move synchronously for a distance. When the carrying platform 21 contacts the bottom plate 31, the bottom plate 31 acts as a limit constraint on the carrying platform 21, and the support plate 41 continues to slide, so that the carrying platform 21 slides relative to the support plate 41. The support plate 41 continues to move until the support plate 41 loses support for the carrying platform 21, causing the carrying platform 21 to fall from the edge of the support plate 41.

[0125] In some examples, the bottom plate 31 further includes a horizontal guide portion 313. The support plate 41 is slidably connected to the horizontal guide portion 313. The horizontal guide portion 313 can apply a supporting force along the vertical direction Z to the support plate 41 and provide guidance for the support plate 41 so that the sliding process of the support plate 41 is stable.

[0126] In some examples, the second drive assembly 44 can be in communication with the controller 70. The controller 70 can control the second drive assembly 44 to drive the support plate 41 to slide through the second drive assembly 44, so that the support plate 41 switches between the open position and the closed position, thereby facilitating further improving the degree of automation of the process of closing or opening the avoidance hole 311 of the support plate 41 and reducing the degree of manual participation.

[0127] In some examples, the second drive assembly 44 may be a hydraulic cylinder or an electric cylinder. The second drive assembly 44 includes a telescopic rod 120. The support plate 41 is connected to the telescopic rod 120. The second drive assembly 44 drives the telescopic rod 120 to extend or retract to move the support plate 41 between the closed position and the open position.

[0128] In some examples, Fig. 20 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Fig.21 The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Fig. 20 and Fig.21 As shown, the second driving assembly 44 may include a lead screw 130. The support plate 41 is threadedly connected to the lead screw 130. The second driving assembly 44 drives the lead screw 130 to rotate, so as to drive the support plate 41 to move between the closed position and the open position.

[0129] In some examples, the ball pressure testing device 10 further includes a first annular seal 80. The first annular seal 80 is disposed on the bottom plate 31. The avoidance hole 311 corresponds to the center hole of the first annular seal 80. When the support plate 41 is in the closed position, the support plate 41 contacts the first annular seal 80. The first annular seal 80 is used to seal the bottom plate 31 and the support plate 41. When the support plate 41 is in the closed position, the support plate 41 can apply compressive stress to the first annular seal 80 so that the support plate 41 and the first annular seal 80 fit tightly.

[0130] In some achievable ways, Fig. 22 The partial structure of the ball pressure testing device 10 is schematically shown. Figure 1 and Fig. 22As shown, the ball pressure load component 22 also includes a connecting rod 222, a cylindrical load body 223 and a counterweight 224. The connecting rod 222 is connected to the cylindrical load body 223. The counterweight 224 is set at the end of the connecting rod 222 away from the cylindrical load body 223. The pressure ball 221 is set at the bottom of the cylindrical load body 223. The connecting rod 222 is connected to the lifting device 50. Relative to the axis of the cylindrical load body 223, the two connecting rods 222 are symmetrically arranged, and the two counterweights 224 are symmetrically arranged. The cylindrical load body 223 can be cylindrical. The counterweight 224 can be cylindrical. The connecting rod 222 includes a horizontal section and an inclined section. The horizontal section is connected to the cylindrical load body 223. The inclined section is inclined downward. The counterweight 224 is connected to the inclined section.

[0131] The lifting device 50 forms a limit on the connecting rod 222, which is beneficial to reducing the possibility of a large movement of the columnar load body 223 in the first horizontal direction X, and is beneficial to ensuring that the center of the pressure ball 221 coincides with the central axis of the load-bearing platform 21 or that the distance between the center of the pressure ball 221 and the central axis of the load-bearing platform 21 is relatively small to meet the error requirements. It is also beneficial to reducing the possibility of the ball pressure load component 22 tipping over during the test, resulting in test failure and the need for retesting.

[0132] The lifting device 50 includes a lifting component 51, a first hook 52 and a second hook 53. The first hook 52 and the second hook 53 are both connected to the lifting component 51. The first hook 52 and the second hook 53 are arranged at intervals along the first horizontal direction X. The first hook 52 is connected to a connecting rod 222, and the second hook 53 is connected to another connecting rod 222. In the first horizontal direction X, the first hook 52 and the second hook 53 limit the columnar load body 223, reducing the possibility of the columnar load body 223 moving significantly in the first horizontal direction X, which is conducive to ensuring that the center of the pressure ball 221 coincides with the central axis of the bearing platform 21 or ensuring that the distance between the center of the pressure ball 221 and the central axis of the bearing platform 21 is relatively small, meeting the error requirements, and also helping to reduce the possibility of the ball pressure load component 22 tipping over during the test, resulting in test failure and the need for retesting. Exemplarily, along the first horizontal direction X, the minimum distance between the first hook 52 and the columnar support body 223 is 1 mm, and the minimum distance between the second hook 53 and the columnar support body 223 is 1 mm, thereby limiting the displacement of the columnar support body 223 along the first horizontal direction X to within 1 mm.

[0133] The lifting component 51 can drive the first hook 52 and the second hook 53 to rise or fall synchronously. When the lifting component 51 drives the first hook 52 and the second hook 53 to rise, the first hook 52 and the second hook 53 respectively apply vertical forces to the connecting rod 222 to raise the height of the ball pressure load component 22 through the connecting rod 222. After the sample S to be tested is placed on the carrying platform 21, the lifting component 51 drives the first hook 52 and the second hook 53 to descend until the pressure ball 221 of the ball pressure load component 22 contacts the sample S to be tested. The lifting component 51 continues to drive the first hook 52 and the second hook 53 to descend, so that the first hook 52 and the second hook 53 are separated from the connecting rod 222, so that a gap appears between the first hook 52 and the second hook 53 and the connecting rod 222 in the vertical direction Z, so that the first hook 52 and the second hook 53 no longer apply vertical forces to the connecting rod 222. The ball pressure load component 22 maintains a self-balancing state, and the overall gravity of the ball pressure load component 22 acts on the sample S to be tested. The compressive stress on the sample S to be tested is the gravity of the entire ball pressure load component 22 .

[0134] In some examples, the lifting component 51 includes a driver 140 and a lead screw 130. The number of the lifting components 51 can be two. One lifting component 51 is connected to the first hook 52, and the other lifting component 51 is connected to the second hook 53. The first hook 52 is connected to one lead screw 130, and the second hook 53 is connected to the other lead screw 130. The driver 140 drives the corresponding first hook 52 and second hook 53 to rise or fall through the lead screw 130.

[0135] In some examples, the lifting component 51 includes a driver 140 and a lead screw 130. The number of the lifting component 51 can be one. The first hook 52 and the second hook 53 are both connected to the lead screw 130. The driver 140 is drivingly connected to the lead screw 130. The driver 140 synchronously drives the first hook 52 and the second hook 53 to rise or fall through the lead screw 130.

[0136] In some examples, the lifting component 51 may be a worm gear screw lift. The driver 140 includes a motor and a worm gear. The motor drives the worm gear to rotate. The worm gear drives the screw 130 to move up and down.

[0137] The driver 140 of the lifting component 51 can be connected to the controller 70. The controller 70 can control the driver 140 to drive the lead screw 130 to rotate through the driver 140, thereby raising or lowering the height of the first hook 52 and the second hook 53, thereby further improving the degree of automation of the height adjustment process of the ball pressure load component 22 and reducing the degree of manual participation.

[0138] In some examples, Fig.23The partial cross-sectional structure of the ball pressure testing device 10 is schematically shown. Fig. 22 and Fig.23 As shown, the first housing 30 also includes a top plate 32. The driver 140 is arranged above the top plate 32. The driver 140 is located outside the first housing 30, so that when the accommodating chamber 30a of the first housing 30 is heated, the driver 140 is not easily affected by the high temperature environment, and the possibility of damage to the driver 140 is reduced. The top plate 32 has a mounting hole. The lead screw 130 is inserted through the mounting hole. The ball pressure test device 10 also includes a second annular seal 100. The second annular seal 100 is arranged on the top plate 32. The mounting hole is arranged corresponding to the center hole of the second annular seal 100. The lead screw 130 is inserted through the second annular seal 100. The second annular seal 100 is used to seal the top plate 32 and the driver 140, thereby reducing the possibility of external cold air entering the accommodating chamber 30a of the first housing 30 due to the presence of a gap between the top plate 32 and the driver 140, thereby reducing the possibility of temperature deviation during the test due to the entry of cold air. When the driver 140 is installed on the top plate 32 , the driver 140 can press the second annular seal 100 to ensure that the driver 140 and the second annular seal 100 are tightly fitted.

[0139] For example, the second annular seal 100 may be bonded to the top plate 32 .

[0140] For example, the material of the second annular seal 100 may be rubber.

[0141] In some achievable ways, Fig.24 The partial structure of the ball pressure testing device 10 is schematically shown. Fig.25 The partial structure of the ball pressure testing device 10 is schematically shown. Fig.26 The partial structure of the ball pressure testing device 10 is schematically shown. Figure 24 to Figure 26As shown, the ball pressure test device 10 also includes a limiter 90. The limiter 90 is arranged on the bottom plate 31. The limiter 90 is located in the accommodating chamber 30a of the first shell 30. Along the first horizontal direction X, the limiters 90 are respectively arranged on both sides of the avoidance hole 311. When the support plate 41 is in the closed position, the bearing platform 21 placed on the support plate 41 can be located between the limiters 90 on both sides. The limiter 90 includes a first limiter 91 and a second limiter 92 arranged at intervals along the second horizontal direction Y. A limiter groove 90a is formed between the first limiter 91 and the second limiter 92. The limiter groove 90a is used to avoid the connecting rod 222. In the process of the lifting device 50 driving the ball pressure load component 22 to rise or fall, the connecting rod 222 moves in the limiter groove 90a along the vertical direction Z. In the second horizontal direction Y, the first limiter 91 and the second limiter 92 limit the connecting rod 222. The first horizontal direction X is perpendicular to the second horizontal direction Y. In the second horizontal direction Y, the first limiting portion 91 and the second limiting portion 92 limit the connecting rod 222 to limit the ball pressure load component 22, thereby reducing the possibility of the ball pressure load component 22 moving significantly in the second horizontal direction Y. This is beneficial to ensure that the center of the pressure ball 221 coincides with the central axis of the support platform 21 or that the distance between the center of the pressure ball 221 and the central axis of the support platform 21 is relatively small, thereby meeting the error requirements. At the same time, it is also beneficial to reduce the possibility of the ball pressure load component 22 tipping over during the test, resulting in test failure and the need for retesting.

[0142] Exemplarily, when the lifting device 50 is separated from the ball pressure load component 22 and the ball pressure load component 22 is pressed on the sample to be tested S, the ball pressure load component 22 is in a self-balancing state. When the ball pressure load component 22 is in a self-balancing state, along the second horizontal direction Y, the minimum distance between the connecting rod 222 and the first limit portion 91 is 1 mm, and the minimum distance between the connecting rod 222 and the second limit portion 92 is 1 mm, thereby limiting the displacement of the connecting rod 222 along the second horizontal direction Y to within 1 mm.

[0143] Exemplarily, when the ball pressure load component 22 descends along the vertical direction Z and the pressure ball 221 of the ball pressure load component 22 contacts the sample S to be tested, there is a spacing between the connecting rod 222 and the bottom wall of the limiting groove 90a in the vertical direction Z, so that the connecting rod 222 and the bottom wall of the limiting groove 90a are in a non-contact state, so that the limiting member 90 will not apply a supporting force along the vertical direction Z to the ball pressure load component 22, thereby reducing the possibility that the pressure on the sample S to be tested is less than the overall gravity of the ball pressure load component 22 due to the supporting force applied by the limiting member 90 to the ball pressure load component 22.

[0144] In some examples, the stopper 90 is a columnar structure. The stopper 90 can be detachably connected to the bottom plate 31 by a fastener.

[0145] In some examples, along the first horizontal direction X, a stopper 90 is disposed on a side of the first hook 52 facing away from the cylindrical load body 223 , and a stopper 90 is disposed on a side of the second hook 53 facing away from the cylindrical load body 223 .

[0146] In some achievable ways, Fig. 27 The connection structure between the support plate 41 and the pressure sensor 150 is schematically shown. Fig. 27 As shown, the ball pressure test equipment 10 also includes a pressure sensor 150. The pressure sensor 150 is arranged on the support plate 41. When the support plate 41 is in the closed position, the support platform 21 is arranged on the support plate 41, and the pressure sensor 150 is located below the support platform 21. During the test, the ball pressure load component 22 applies compressive stress to the sample S to be tested as a whole, and the pressure sensor 150 below the support platform 21 can detect the pressure value to which the sample S to be tested is subjected. When it is detected that the pressure value to which the sample S to be tested is subjected does not meet the predetermined pressure value requirement, it is necessary to stop the test and adjust or replace the ball pressure load component 22 until the pressure sensor 150 detects that the pressure value to which the sample S to be tested is subjected meets the predetermined pressure value, thereby ensuring that the sample S to be tested completes the ball pressure test at a predetermined pressure and a predetermined temperature, which is conducive to improving the accuracy and effectiveness of the test results. By way of example, the predetermined pressure value range to which the sample S to be tested is subjected is 20±0.1 Newtons (N).

[0147] In some examples, the pressure sensor 150 can be communicatively connected to the controller 70. The pressure signal detected by the pressure sensor 150 can be sent to the controller 70. When it is detected that the pressure value of the sample S to be tested does not meet the predetermined pressure value requirement, the test needs to be stopped. The controller 70 controls the lifting device 50 to first raise the ball pressure load component 22 through the lifting device 50, and then lower the ball pressure load component 22 again, so that the ball pressure load component 22 is pressed on the sample S to be tested again. If it is detected that the pressure value of the sample S to be tested meets the predetermined pressure value requirement, the test continues. If it is detected that the pressure value of the sample S to be tested still does not meet the predetermined pressure value requirement, the test is stopped again. The ball pressure load component 22 is raised again by the lifting device 50, and after the ball pressure load component 22 cools down, the ball pressure load component 22 can be replaced.

[0148] In some examples, a positioning mark portion 412 is provided on the support plate 41. The positioning mark portion 412 is used to position the carrying platform 21 so that the pressure sensor 150 is located below the carrying platform 21. Exemplarily, the pressure sensor 150 is located below the central area of ​​the carrying platform 21. When the support plate 41 is in a closed position, during the process of placing the carrying platform 21 on the support plate 41, the outer surface of the carrying platform 21 can be aligned with the positioning mark portion 412 by observation to ensure that the position of the carrying platform 21 is accurately positioned, while effectively shortening the time of the placing process of the carrying platform 21 and improving work efficiency. Exemplarily, the carrying platform 21 is a cylindrical structure. The positioning mark portion 412 is semi-annular or annular. Exemplarily, the positioning mark portion 412 is a positioning mark line. Exemplarily, the diameter of the carrying platform 21 is 50 mm. The height of the carrying platform 21 is 100 mm.

[0149] In some achievable ways, Fig.28 Schematic diagram of the partial structure of the earth pressure test equipment 10. Fig.28 As shown, the ball pressure test device 10 also includes a first temperature sensor 160. The first temperature sensor 160 is disposed on the bottom plate 31. The first temperature sensor 160 is used to detect the temperature of the carrying platform 21. During the preheating process of the ball pressure test device 10, the temperature of the carrying platform 21 can be monitored in real time by the first temperature sensor 160 to ensure that the temperature meets the test requirements and reduce the possibility of errors. Exemplarily, the first temperature sensor 160 can be a thermocouple.

[0150] The ball pressure test device 10 further includes a second temperature sensor 170. The second temperature sensor 170 is disposed on the ball pressure load component 22. The second temperature sensor 170 is used to detect the temperature of the ball pressure load component 22. During the preheating process of the ball pressure test device 10, the temperature of the ball pressure load component 22 can be monitored in real time by the second temperature sensor 170 to ensure that the temperature meets the test requirements and reduce the possibility of errors. Exemplarily, the second temperature sensor 170 can be a thermocouple.

[0151] The ball pressure test device 10 also includes a third temperature sensor 180. The third temperature sensor 180 is disposed in the first shell 30. The third temperature sensor 180 is connected to the first shell 30. The third temperature sensor 180 is used to detect the temperature in the first shell 30, that is, to detect the ambient temperature of the accommodating chamber 30a of the first shell 30. During the preheating process of the ball pressure test device 10, the ambient temperature in the first shell 30 can be monitored in real time by the third temperature sensor 180 to ensure that the temperature meets the test requirements and reduce the possibility of errors. Exemplarily, the third temperature sensor 180 can be a thermal resistor. Exemplarily, the first shell 30 also includes a side panel. The third temperature sensor 180 is disposed at least one of the bottom and the top of the side panel.

[0152] The first temperature sensor 160, the second temperature sensor 170, and the third temperature sensor 180 may be respectively connected to the controller 70 for communication. The first temperature sensor 160, the second temperature sensor 170, and the third temperature sensor 180 may send detected temperature signals to the controller 70.

[0153] When conducting the test, the ball pressure testing equipment 10 is preheated, and the first temperature sensor 160, the second temperature sensor 170 and the third temperature sensor 180 monitor the temperatures of the bearing platform 21, the ball pressure load component 22 and the accommodating chamber 30a respectively. The temperatures of the bearing platform 21, the ball pressure load component 22 and the accommodating chamber 30a of the first shell 30 are respectively increased to a predetermined temperature value. Then, the heating is stopped, and maintained for a predetermined time so that the temperatures measured by the first temperature sensor 160, the second temperature sensor 170 and the third temperature sensor 180 are approximately the same. Exemplarily, the predetermined time can be 24 hours. Exemplarily, the temperature difference between the temperatures measured by the first temperature sensor 160, the second temperature sensor 170 and the third temperature sensor 180 is less than or equal to 0.5 degrees Celsius (°C).

[0154] Then, the sample S to be tested is placed on the carrying platform 21, and the lifting device 50 is operated to lower the ball pressure load component 22 to a predetermined position, so that the pressure ball 221 of the ball pressure load component 22 applies compressive stress to the sample S to perform a ball pressure test.

[0155] In some achievable ways, Fig.29 Schematic diagram of the partial structure of the earth pressure test device 10. Fig.30 Schematic diagram of the partial structure of the earth pressure test equipment 10. Fig.29 and Fig.30As shown, the ball pressure test device 10 also includes a second shell 190. The first shell 30 is arranged in the second shell 190. The second shell 190 can protect the first shell 30 and the structural parts arranged outside the first shell 30 to avoid damage caused by accidental collision. The first shell 30 and the second shell 190 can be connected by a connecting piece to fix the position of the first shell 30 in the second shell 190. A conveying channel 200 is formed between the bottom plate 31 of the first shell 30 and the second shell 190. When the support plate 41 opens the avoidance hole 311 of the bottom plate 31, the avoidance hole 311 is connected to the conveying channel 200. The liquid storage tank 60 is arranged in the conveying channel 200. After the support device 40 is operated to make the support plate 41 open the avoidance hole 311, the carrying platform 21 and the sample S to be tested fall into the liquid storage tank 60, and the liquid storage tank 60 can be moved to the outside of the second shell 190 through the conveying channel 200. Then, the operator can take out the sample S to be tested from the liquid storage tank 60 and perform corresponding processing and analysis on the sample S to be tested.

[0156] In some examples, the ball pressure testing device 10 further includes an operating door 240. The operating door 240 is rotatably connected to the second housing 190. During the test, the operating door 240 is in a closed state. After the test is completed, the operator can open the operating door 240.

[0157] In some examples, the ball pressure test device 10 further includes a conveying device 210. The conveying device 210 is disposed in the conveying channel 200. The liquid storage tank 60 is disposed in the conveying device 210. The conveying device 210 is used to convey the liquid storage tank 60 to the outside of the second housing 190. After the carrying platform 21 and the sample S to be tested fall into the liquid storage tank 60, the liquid storage tank 60 is moved from the conveying channel 200 to the outside of the second housing 190 by the conveying device 210, which is conducive to reducing the degree of manual participation in the test process.

[0158] Exemplarily, the conveyor 210 may include a motor, a transmission roller, and a conveyor belt. The motor is used to drive the transmission roller to rotate. The transmission roller is used to drive the conveyor belt to rotate. The liquid storage tank 60 is arranged on the conveyor belt. The conveyor 210 may be connected to the controller 70 for communication. By controlling the conveyor 210 through the controller 70 to transport the liquid storage tank 60, the degree of automation of the ball pressure test device 10 is improved, which is conducive to further reducing the degree of manual participation in the test process.

[0159] In some examples, the ball pressure test device 10 also includes a door panel 220. The door panel 220 is connected to the second shell 190. The door panel 220 is used to close or open the outlet of the conveying channel 200. The door panel 220 can form a protection for the conveying channel 200 and reduce the possibility of external debris entering the conveying channel 200. During the test, the door panel 220 is in a closed state. When the transmission device is required to transport the liquid storage tank 60 to the outside of the second shell 190, the door panel 220 is in an open state. Exemplarily, along the vertical direction Z, the door panel 220 is slidably connected to the second shell 190. The ball pressure test device 10 also includes a motor and a cable. The motor is connected to the second shell 190. One end of the cable is connected to the door panel 220, and the other end is connected to the motor. The motor can retract and release the cable to lift or lower the door panel 220 through the cable, so that the door panel 220 can switch between a closed state and an open state. Exemplarily, the motor is connected to the controller 70 for communication. By controlling the door panel 220 through the controller 70 , the degree of automation of the ball pressure testing device 10 is improved, which is beneficial to further reduce the degree of manual participation in the testing process.

[0160] In some examples, the ball pressure test device 10 further includes a delivery pump. The delivery pump is connected to the liquid storage tank 60. The delivery pump can be connected to the liquid storage tank 60 through a hose. The hose can be bent freely. The delivery pump is used to pump cooling liquid into the liquid storage tank 60 or extract cooling liquid from the liquid storage tank 60, thereby improving the degree of automation of the process of injecting or emptying cooling liquid into the liquid storage tank 60.

[0161] During the test, after the ball pressure load component 22 is pressed on the sample S to be tested to apply compressive stress to the sample S to be tested, after a predetermined time, the delivery pump 230 is started to pump cooling liquid of a predetermined temperature into the liquid storage tank 60. Exemplarily, the predetermined time may be 1.5 hours. The predetermined temperature may be 20°C±3°C. After the sample S to be tested completes the ball pressure test, the support plate 41 opens the avoidance hole 311, and the bearing platform 21 and the sample S to be tested fall into the liquid storage tank 60. The cooling liquid cools the bearing platform 21 and the sample S to be tested. Exemplarily, the cooling time for the cooling liquid to cool the bearing platform 21 and the sample S to be tested may be 6 minutes. After cooling is completed, the delivery pump 230 is started to extract the cooling liquid in the liquid storage tank 60 until the liquid storage tank 60 is emptied. Then, the conveying device 210 moves the liquid storage tank 60 to the outside of the second shell 190. The operator can take the cooled sample S to be tested out of the liquid storage tank 60 for corresponding processing and analysis.

[0162] Exemplarily, the cooling liquid may be, but is not limited to, water.

[0163] The test process of the ball pressure test device 10 of the embodiment of the present application may include:

[0164] The supporting plate 41 of the supporting device 40 is in a closed position, and the carrying platform 21 is placed on the supporting plate 41;

[0165] The ball pressure test device 10 is preheated, and the first temperature sensor 160, the second temperature sensor 170 and the third temperature sensor 180 monitor the temperatures of the carrying platform 21, the ball pressure load component 22 and the containing chamber 30a respectively;

[0166] When the temperatures of the bearing platform 21, the ball pressure load component 22 and the accommodation chamber 30a reach a predetermined temperature value, heating is stopped and maintained for a predetermined time;

[0167] After the temperatures measured by the first temperature sensor 160, the second temperature sensor 170 and the third temperature sensor 180 respectively meet the error requirements, the sample S to be tested is placed on the carrying platform 21;

[0168] The lifting device 50 lowers the ball pressure load component 22 so that the pressure ball 221 of the ball pressure load component 22 is pressed on the sample S to be tested, and the lifting device 50 is separated from the ball pressure load component 22;

[0169] The pressure sensor 150 below the carrying platform 21 detects the pressure value of the sample S to be tested;

[0170] When the pressure sensor 150 detects that the pressure value of the sample S to be tested meets the predetermined pressure value, it starts recording the time of the ball pressure test;

[0171] Before the ball pressure test time reaches the preset time, the delivery pump 230 pumps cooling liquid of a predetermined temperature into the liquid storage tank 60;

[0172] When the ball pressure test time reaches the preset time, the lifting device 50 lifts the ball pressure load component 22 to separate the pressure ball 221 from the sample S to be tested, and at the same time, the support plate 41 switches from the closed position to the open position, and the carrying platform 21 and the sample S to be tested fall into the liquid storage tank 60 together;

[0173] The sample S to be tested is cooled in the liquid storage tank 60 for a predetermined time;

[0174] After the test sample S is completely cooled, the delivery pump 230 extracts the cooling liquid in the liquid storage tank 60 to empty the liquid storage tank 60;

[0175] The conveying device 210 drives the liquid storage box 60 to move toward the door panel 220 in the conveying channel 200;

[0176] The door plate 220 opens the outlet of the delivery channel 200 , and the delivery device 210 delivers the liquid storage tank 60 to the outside of the ball pressure testing device 10 through the outlet of the delivery channel 200 .

[0177] In the description of the embodiments of the present application, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, or it can be an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the embodiments of the present application can be understood according to specific circumstances.

[0178] The embodiments of the present application do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the embodiments of the present application. In the description of the embodiments of the present application, the meaning of "multiple" is two or more, unless otherwise precisely and specifically specified.

[0179] The terms "first", "second", "third", "fourth", etc. (if any) in the specification and claims of the embodiments of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0180] The term "plurality" in this article refers to two or more than two. The term "and / or" in this article is only a description of the association relationship of associated objects, indicating that there can be three relationships. For example, A and / or B can represent: A exists alone, A and B exist at the same time, and B exists alone. In addition, the character " / " in this article generally indicates that the previous and next associated objects are in an "or" relationship; in a formula, the character " / " indicates that the previous and next associated objects are in a "division" relationship.

[0181] It should be understood that the various numerical numbers involved in the embodiments of the present application are only used for the convenience of description and are not used to limit the scope of the embodiments of the present application.

[0182] It can be understood that in the embodiments of the present application, the size of the serial numbers of the above-mentioned processes does not mean the order of execution. The execution order of each process should be determined by its function and internal logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

Claims

1. A ball pressure testing device, characterized in that: include: A first shell includes a bottom plate having an avoidance hole; A supporting device is arranged on the bottom plate, the supporting device comprises a supporting plate, the supporting plate has a closing position for closing the avoidance hole and an opening position for opening the avoidance hole, and the supporting plate moves relative to the bottom plate to close or open the avoidance hole; A ball pressure test assembly is disposed in the first housing, the ball pressure test assembly comprises a bearing platform and a ball pressure load component, the ball pressure load component comprises a pressure ball, the bearing platform is disposed on the support plate in the closed position, and the pressure ball is located above the bearing platform; A lifting device is provided on the first housing, the ball pressure load component is connected to the lifting device, and the lifting device is used to raise or lower the height of the ball pressure load component; A liquid storage tank is arranged below the bottom plate, and has an upper opening facing the avoidance hole. When the supporting plate moves from the closed position to the open position, the bearing platform falls into the liquid storage tank through the avoidance hole.

2. The ball pressure testing device according to claim 1, characterized in that: The supporting plate is rotatably connected to the base plate, and the supporting plate rotates around a horizontal axis relative to the base plate. The supporting device also includes a locking assembly, and the locking assembly is arranged on the base plate. The locking assembly locks the supporting plate in the closed position. When the locking assembly releases the supporting plate, the supporting plate rotates downward to the open position to open the avoidance hole.

3. The ball pressure testing device according to claim 2, characterized in that: The ball pressure testing equipment also includes a controller, and the locking assembly and the lifting device are both communicatively connected to the controller. The controller controls the locking assembly to lock or release the support plate, and the controller controls the lifting device to raise or lower the height of the ball pressure load component.

4. The ball pressure testing device according to claim 3, characterized in that: The locking assembly includes an electromagnetic unit. When the support plate is in the closed position, the controller controls the electromagnetic unit to be energized, and the electromagnetic unit adsorbs the support plate to lock the support plate. When the support plate opens the avoidance hole, the controller controls the electromagnetic unit to be de-energized, and the electromagnetic unit releases the support plate to release the support plate.

5. The ball pressure testing device according to claim 3, characterized in that: The locking assembly includes an electromagnetic unit, a locking piece and a reset piece, wherein the locking piece is slidably connected to the base plate in a horizontal direction, the reset piece connects the locking piece and the base plate, the electromagnetic unit is arranged on a side of the locking piece facing away from the avoidance hole, the controller controls the electromagnetic unit to be energized, the electromagnetic unit adsorbs the locking piece, the locking piece is separated from the supporting plate to release the supporting plate, and when the supporting plate is in the closed position, the controller controls the electromagnetic unit to be de-energized, the reset piece drives the locking piece to reset, and the locking piece is connected to the supporting plate to lock the supporting plate.

6. The ball pressure testing device according to any one of claims 2 to 5, characterized in that: The supporting device also includes a first driving component, which is arranged below the bottom plate. The first driving component includes a pushing member, which has a first position and a second position. When the pushing member moves from the first position to the second position, the pushing member drives the supporting plate to move from the open position to the closed position. When the supporting plate is in the closed position, the pushing member is located in the first position, and there is a distance between the supporting plate and the pushing member. When the supporting plate is in the open position, the supporting plate contacts the pushing member located in the first position, and the pushing member limits the supporting plate.

7. The ball pressure testing device according to claim 1, characterized in that: The supporting plate can be slidably connected to the base plate, and the supporting device also includes a second driving component, which is arranged on the first shell, and the supporting plate is connected to the second driving component. The second driving component is used to drive the supporting plate to slide in a horizontal direction relative to the base plate so that the supporting plate can switch between the closed position and the open position.

8. The ball pressure testing device according to claim 7, characterized in that: The ball pressure testing equipment also includes a controller, and the second drive assembly and the lifting device are both communicatively connected to the controller. The controller controls the second drive assembly to drive the support plate to slide, and the controller controls the lifting device to raise or lower the height of the ball pressure load component.

9. The ball pressure testing device according to claim 2, 7 or 8, characterized in that: The ball pressure testing equipment also includes a first annular seal, which is arranged on the bottom plate. The avoidance hole corresponds to the center hole of the first annular seal. When the support plate is in the closed position, the support plate is in contact with the first annular seal, and the first annular seal is used to seal the bottom plate and the support plate.

10. The ball pressure testing device according to any one of claims 1 to 9, characterized in that: The ball pressure load component also includes a connecting rod, a columnar load body and a counterweight block. The connecting rod is connected to the columnar load body, the counterweight block is arranged at the end of the connecting rod away from the columnar load body, the pressure ball is arranged at the bottom of the columnar load body, and the connecting rod is connected to the lifting device.

11. The ball pressure testing device according to claim 10, characterized in that: The lifting device includes a lifting component, a first hook and a second hook, the first hook and the second hook are both connected to the lifting component, the first hook and the second hook are arranged at intervals along a first horizontal direction, the first hook is connected to one of the connecting rods, and the second hook is connected to another of the connecting rods, and in the first horizontal direction, the first hook and the second hook limit the columnar load body.

12. The ball pressure testing device according to claim 11, characterized in that: The lifting component includes a driver and a lead screw, the first hook and the second hook are both connected to the lead screw, the driver is drivingly connected to the lead screw, and the driver drives the first hook and the second hook to rise or fall through the lead screw; or There are two lifting components, which include a driver and a lead screw. The first hook is connected to one lead screw, and the second hook is connected to another lead screw. The driver drives the corresponding first hook and second hook to rise or fall through the lead screw.

13. The ball pressure testing device according to claim 12, characterized in that: The first shell also includes a top plate, the driver is arranged above the top plate, the top plate has a mounting hole, the lead screw is passed through the mounting hole, the ball pressure testing equipment also includes a second annular seal, the second annular seal is arranged on the top plate, the mounting hole is arranged corresponding to the center hole of the second annular seal, the lead screw is passed through the second annular seal, and the second annular seal seals the top plate and the driver.

14. The ball pressure testing device according to claim 11, characterized in that: The ball pressure testing equipment also includes a limit member, which is arranged on the bottom plate. The limit members are respectively arranged on both sides of the avoidance hole along the first horizontal direction. The limit member includes a first limit portion and a second limit portion spaced apart along the second horizontal direction. A limit groove is formed between the first limit portion and the second limit portion. The connecting rod moves in the limit groove along the vertical direction. In the second horizontal direction, the first limit portion and the second limit portion limit the connecting rod. The first horizontal direction is perpendicular to the second horizontal direction.

15. The ball pressure testing device according to any one of claims 1 to 14, characterized in that: The ball pressure testing equipment also includes a pressure sensor, which is arranged on the supporting plate. When the supporting plate is in the closed position, the bearing platform is arranged on the supporting plate, and the pressure sensor is located below the bearing platform.

16. The ball pressure testing device according to claim 15, characterized in that: The support plate is provided with a positioning mark portion, and the positioning mark portion is used for positioning the bearing platform so that the pressure sensor is located below the bearing platform.

17. The ball pressure testing device according to any one of claims 1 to 16, characterized in that: The ball pressure testing device further includes a first temperature sensor, which is disposed on the bottom plate and is used to detect the temperature of the carrying platform.

18. The ball pressure testing device according to any one of claims 1 to 17, characterized in that: The ball pressure testing device further includes a second temperature sensor, which is disposed on the ball pressure load component and is used to detect the temperature of the ball pressure load component.

19. The ball pressure testing device according to any one of claims 1 to 18, characterized in that: The ball pressure testing device further includes a third temperature sensor, which is disposed in the first shell and connected to the first shell. The third temperature sensor is used to detect the temperature in the first shell.

20. The ball pressure testing device according to any one of claims 1 to 19, characterized in that: The ball pressure testing device also includes a second shell, the first shell is arranged in the second shell, a conveying channel is formed between the bottom plate and the second shell, and the liquid storage tank is arranged in the conveying channel.

21. The ball pressure testing device according to claim 20, characterized in that: The ball pressure testing equipment further comprises a conveying device, wherein the conveying device is arranged in the conveying channel, the liquid storage tank is arranged in the conveying device, and the conveying device is used to convey the liquid storage tank to the outside of the second shell.

22. The ball pressure testing device according to claim 21, characterized in that: The ball pressure testing device further comprises a door plate, which is connected to the second shell and is used to close or open the outlet of the conveying channel.

23. The ball pressure testing device according to any one of claims 1 to 22, characterized in that: The ball pressure testing equipment also includes a delivery pump, which is connected to the liquid storage tank and is used to pump cooling liquid into the liquid storage tank or extract the cooling liquid in the liquid storage tank.

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