A kind of automobile brake caliper exhaust oil discharge test equipment

Abstract

The application relates to the technical field of new energy automobile brake caliper test, and specifically discloses an automobile brake caliper exhaust and oil discharge test equipment, which comprises a test table, clamping tools arranged on the test table, a nameplate recognition mechanism, an angle adjusting mechanism, an exhaust and oil discharge test mechanism, a cleaning mechanism and a control panel. When the brake caliper needs to be tested, the brake caliper is installed on the clamping tools, the control panel is operated, the control panel controls the nameplate recognition mechanism to recognize the nameplate on the brake caliper first, so that the brand, model, batch and other information of the brake caliper to be tested are recognized, the angle adjusting mechanism drives the brake caliper to rotate to an actual mounting angle, at this time, the exhaust and oil discharge test mechanism performs oil injection, exhaust and pressure test on the inside of the brake caliper, after the test is completed, the cleaning mechanism automatically cleans the inside of the brake caliper, a full-automatic test process of the brake caliper is realized, and the test efficiency is greatly improved.

Description

Technical Field

[0001] The present application relates to the technical field of brake caliper testing for new energy vehicles, and in particular to an exhaust and oil discharge testing device for automobile brake calipers. Background Art

[0002] The brake caliper of a new energy vehicle is a key component in the vehicle's braking system, primarily responsible for clamping the brake disc to achieve braking effect. Depending on the braking method, calipers can be classified into single-piston, dual-piston, and multi-piston types. They are widely used in new energy cars, trucks, and special-purpose vehicles. The caliper's design must not only meet the varying braking force requirements of each vehicle, but also balance reliability and durability. As a crucial element in vehicle safety, brake calipers must possess high strength, high precision, and excellent fatigue resistance.

[0003] After production of brake calipers for new energy vehicles, they undergo a number of rigorous performance tests to ensure they meet design requirements. These tests include oil injection and exhaust testing, braking force testing, sealing testing, and durability testing. The oil injection and exhaust test is a key step in production testing. Its purpose is to inject brake fluid into the caliper and then expel the air to ensure braking performance.

[0004] During actual vehicle assembly, the installation angle of the brake caliper is crucial for the precise positioning of the bleed screw hole. However, in a laboratory testing environment, the caliper assembly is typically fixed to a test fixture, and the caliper may not achieve the actual assembly angle during testing. This can prevent the air from being discharged smoothly, especially in areas where residual air is difficult to vent. This affects the accuracy of test data and, in some cases, may lead to safety hazards such as reduced braking performance or brake failure.

[0005] Even when considering angles that match actual vehicle assembly, operators still need to manually adjust and secure the brake caliper's mounting angle. This requires manual intervention, precise adjustments, and repeated checks. This not only increases operational complexity but can also lead to incomplete gas emissions due to human error, thus affecting the accuracy of test results. Furthermore, the existing oil injection and exhaust test process involves the coordinated operation of multiple devices. During these processes, operators are required to monitor multiple parameters in real time and coordinate the various devices to ensure smooth operation. However, the need for manual coordination of multiple steps significantly increases the difficulty of the test and the probability of errors.

[0006] Therefore, the current oil injection and exhaust test process has great operational complexity, especially in the adjustment of the caliper installation angle and equipment coordination. Excessive reliance on manual intervention can easily lead to improper operation and low efficiency. In addition, due to the cumbersome angle adjustment and exhaust process, the test process is unstable and the reliability of the data is difficult to ensure. Summary of the Invention

[0007] In order to improve the accuracy of test results, the present application provides an automobile brake caliper exhaust and oil discharge test device.

[0008] This application provides an automobile brake caliper exhaust and oil discharge test equipment, which adopts the following technical solutions:

[0009] An automobile brake caliper exhaust and oil discharge test device is used to test the brake caliper, comprising a test bench provided with a clamping fixture for clamping the brake caliper, the clamping fixture being capable of driving the brake caliper to rotate, the clamping fixture being provided with a nameplate identification mechanism for identifying nameplate information on the brake caliper, and an angle adjustment mechanism for adjusting the rotation angle of the brake caliper;

[0010] The test bench is provided with an exhaust and oil discharge testing mechanism for testing the brake caliper and a cleaning mechanism for cleaning the inner cavity of the brake caliper after the test. The test bench is also provided with a control panel. The nameplate identification mechanism, the angle adjustment mechanism, the exhaust and oil discharge testing mechanism and the cleaning mechanism are all electrically connected to the control panel.

[0011] By adopting the above technical solution, when the brake caliper needs to be tested, the brake caliper is installed on the clamping tooling, and the control panel is operated to control the nameplate identification mechanism to first identify the nameplate on the brake caliper, thereby identifying the brand, model, batch and other information of the brake caliper to be tested. Then the angle adjustment mechanism drives the brake caliper to rotate to the actual loading angle. At this time, the exhaust and oil discharge test mechanism performs oil filling, exhaust, pressurization and other tests on the inside of the brake caliper. After the test is completed, the cleaning mechanism automatically cleans the inside of the brake caliper. Since the entire process does not require too much manual participation, the errors and improper operations that may be caused by manual participation are greatly reduced, and the efficiency and accuracy of the test are greatly improved.

[0012] Optionally, the clamping fixture includes a fixed seat, a rotating shaft, and a caliper assembly fixing plate, the fixed seat is fixed to the test bench, the rotating shaft is partially rotatably inserted into the fixed seat, the caliper assembly fixing plate is fixedly mounted on the portion of the rotating shaft extending from the fixed seat, and the brake caliper is detachably fixedly mounted on the caliper assembly fixing plate;

[0013] The brake caliper is provided with a liquid inlet hole and a bleed screw hole, and the fixing seat is also provided with a driving mechanism for driving the rotating shaft to rotate. The driving mechanism is electrically connected to the control panel, and the driving mechanism can drive the bleed screw hole on the brake caliper to rotate to a vertically upward position.

[0014] By adopting the above technical solution, when the brake caliper needs to be rotated to the actual loading angle, the drive mechanism is controlled by the control panel, and the drive mechanism controls the rotation of the rotating shaft to rotate the brake caliper to the actual loading angle. At this time, the bleed screw hole on the brake caliper rotates to a vertical upward position, ensuring that the gas during the bleed process can be smoothly discharged and avoiding gas residue during the test. At the same time, the design of the caliper assembly fixing plate facilitates the removal and installation of the caliper, allowing different caliper models to be easily adapted to the test equipment, thereby improving the versatility of the equipment.

[0015] Optionally, the driving mechanism includes a driving member, a driving bevel gear and a driven bevel gear, the driving member is mounted on the fixed seat and electrically connected to the control panel, the driving bevel gear is coaxially fixed on the output shaft of the driving member, the driven bevel gear is coaxially fixed on the rotating shaft, and the driving bevel gear and the driven bevel gear are meshed.

[0016] By adopting the above technical solution, when the drive element is operating, the transmission of the active bevel gear and the driven bevel gear drives the rotation of the rotating shaft, thereby rotating the brake caliper installation angle to an angle consistent with the actual installation angle. Through efficient automated caliper angle adjustment, precise angle adjustment can be achieved through the electronic control system. This drive system ensures precise control of the rotation angle through the gear transmission mechanism and can automatically adjust the angle according to the instructions on the control panel, avoiding the errors caused by manual adjustment and improving the accuracy and efficiency of the test process. The combination of the drive mechanism's electronic control and the control panel makes operation simpler and more stable.

[0017] Optionally, the nameplate recognition mechanism includes a first mounting rod and an image recognition sensor, an arc-shaped avoidance groove is provided at the end of the fixed seat, one end of the first mounting rod passes through the avoidance groove and is fixedly connected to the end of the rotating shaft, and the image recognition sensor is arranged at the other end of the first mounting rod, located at the nameplate position facing the brake caliper, and the image recognition sensor is electrically connected to the control panel.

[0018] By adopting the technical scheme, the image sensor can detect the nameplate on the brake caliper, automatically record the brand, model, batch and other information of the brake caliper to be detected, and after determination, the driving member drives the rotating shaft to rotate, and in the rotating process, the angle adjusting mechanism detects the rotating angle, and when the rotating shaft rotates to the corresponding angle, the driving member stops, so that the brake caliper is rotated to the actual assembly angle. In this process, the brake caliper can be automatically identified and the related information can be tracked, so as to avoid omission or error caused by manual identification or incorrect operation. The image recognition sensor can accurately capture the nameplate information, and further improve the intelligent level in the test process. This design can automatically record the brand, batch and other information of each caliper, ensure the traceability of the whole test process, and is helpful for quality control and fault troubleshooting.

[0019] Optionally, the angle adjusting mechanism comprises a second mounting rod, a laser emitter and a receiver, a plurality of avoiding through grooves are formed in the end of the fixed seat, one end of the second mounting rod is fixedly connected with the end of the rotating shaft after penetrating through the corresponding avoiding through groove, the laser emitter is fixedly installed at the other end of the second mounting rod, the receiver is fixedly connected with the fixed seat, and the receiver is composed of a plurality of sensor arrays in a circular arc shape, and the laser emitter and the receiver are electrically connected with the control panel, and when the rotating shaft rotates, the emitting end of the laser emitter can move along the circular arc direction of the receiver in a direction opposite to the surface of the receiver.

[0020] By adopting the technical scheme, in the rotating process of the rotating shaft, the second mounting rod drives the laser emitter to rotate, and the laser emitted by the laser emitter can be received by the receiver in real time, so as to determine the rotating angle of the brake caliper. Through the cooperation of the laser emitter and the receiver, accurate rotating angle detection is realized. The emitting light of the laser emitter can be aligned with the receiver to accurately quantify the rotating angle of the brake caliper. The circular arc design of the receiver composed of a plurality of sensor arrays can capture laser signals in a wide range, so that the whole angle adjusting process is more flexible and stable. This structure not only improves the accuracy of angle adjustment, but also makes the adjusting process more automatic, and reduces the error caused by manual adjustment.

[0021] Optionally, the exhaust and oil discharge test mechanism comprises a liquid storage tank, an oil injection pump, a pressure pump, a first switching valve, an oil conveying pipe, an oil conveying connecting pipe, an oil discharging connecting pipe, an oil discharging pipe and an ultrasonic bubble sensor, brake fluid is arranged in the inner cavity of the liquid storage tank, and the oil injection pump and the pressure pump are communicated with the liquid storage tank and the first switching valve through the oil conveying pipe at both ends respectively.

[0022] The oil supply connecting pipe and the oil drain connecting pipe are both mounted on the caliper assembly fixing plate; one end of the oil supply connecting pipe is in communication with the first switching valve via the oil supply pipe, and the other end is capable of being in communication with a liquid inlet hole of a brake caliper mounted on the caliper assembly fixing plate; one end of the oil drain connecting pipe is in communication with the oil drain pipe, and the other end is capable of being in communication with a bleed screw hole of a brake caliper mounted on the caliper assembly fixing plate; the ultrasonic bubble sensor is mounted on the oil drain pipe for detecting bubbles in the brake fluid passing through the oil drain pipe;

[0023] The oil injection pump, the pressure pump, the first switching valve, and the ultrasonic bubble sensor are all electrically connected to the control panel.

[0024] By adopting the above technical solution, when the brake caliper rotates to the actual loading angle, the control panel automatically controls the oil filling pump to start. The oil filling pump transfers the brake fluid from the reservoir to the first switching valve through the oil delivery pipe. The first switching valve is now connected to the oil filling pump. The brake fluid passes through the oil delivery connecting pipe and enters the brake caliper cavity through the liquid inlet hole. At this time, the air in the brake caliper is discharged through the bleed screw hole. When the brake caliper cavity is full of brake fluid, the brake fluid is discharged through the oil discharge connecting pipe and the oil discharge pipe. During the discharge process, the ultrasonic bubble sensor detects bubbles in the brake fluid in the oil discharge pipe. If no bubbles are detected, it indicates that the air in the brake caliper cavity has been discharged.

[0025] The first switching valve then automatically switches, connecting the booster pump to the first switching valve. The booster pump now operates, pressurizing the brake fluid in the reservoir and passing it through the oil pipe and oil connection pipe into the brake caliper. This creates pressure within the brake caliper, simulating the operating pressure the brake caliper will experience during actual use. This pressure is typically set based on the requirements of the brake caliper in actual vehicle operation. By simulating actual operating conditions, the booster pump ensures the brake caliper's proper operation during testing, thereby verifying its sealing, air venting, and other key performance characteristics.

[0026] Optionally, both ends of the oil delivery connecting pipe and the oil discharge connecting pipe are respectively provided with a rotary sealing joint and a quick connector, and the rotary sealing joint is used for rotary sealing connection between the oil delivery connecting pipe and the oil delivery pipe, or for rotary sealing connection between the oil discharge connecting pipe and the oil discharge pipe;

[0027] The quick-connect joint can be detachably mounted on the ends of the oil delivery connecting pipe and the oil discharge connecting pipe, and the quick-connect joint is provided with a plurality of different models and sizes corresponding to different types of brake calipers.

[0028] By adopting this technical solution, as the rotating shaft drives the caliper assembly fixed plate to rotate, the rotary seal joint reduces the impact of the oil connection pipe's rotation on the oil pipeline, allowing the oil connection pipe to rotate and connect with the oil pipeline. The removable quick-connect joint allows for rapid connection and removal of different brake caliper models, improving the flexibility and adaptability of the equipment. This is especially true during testing, allowing for quick switching between different caliper models, reducing work time and improving production efficiency.

[0029] Optionally, a gas-liquid separator and a vacuum pump are provided on the oil drain pipe, and the gas-liquid separator and the vacuum pump are electrically connected to the control panel. The end of the oil drain pipe is connected to the inlet of the gas-liquid separator, and the gas outlet of the gas-liquid separator is connected to the air suction port of the vacuum pump. A waste liquid collection tank is also provided on the test bench, and the liquid outlet of the gas-liquid separator is connected to the waste liquid collection tank.

[0030] By adopting the above technical solution, the installation of a gas-liquid separator and a vacuum pump solves the problem of gas and liquid mixing during the oil drainage process. The gas-liquid separator effectively separates the liquid and gas, ensuring that bubbles are effectively removed and preventing gas from entering the oil drain pipe, thereby improving the reliability of the test data. The vacuum pump further extracts the gas after gas-liquid separation, reducing residual gas and ensuring that the liquid in the oil drain pipe reaches the desired purity, preventing interference from bubbles.

[0031] Optionally, a connecting pipe is provided between the waste liquid collection tank and the fluid storage tank, the connecting pipe is provided with a filter for filtering impurities in the brake fluid, and the minimum liquid level in the waste liquid collection tank is higher than the height of the connection point between the fluid storage tank and the connecting pipe.

[0032] By adopting this technical solution, the connecting pipe and filter design between the waste liquid collection tank and the storage tank ensures the effective recovery of waste liquid and filters out impurities, preventing them from entering the storage tank and contaminating the brake fluid. The designed liquid level within the waste liquid collection tank ensures smooth flow of liquid within the system and effectively prevents waste liquid from entering the storage tank, further ensuring liquid quality during testing.

[0033] Optionally, the cleaning mechanism includes a cleaning liquid storage tank, a liquid suction pump, a liquid injection pipe, a second switching valve and a cleaning liquid collection tank, the liquid suction pump is electrically connected to the control panel, and the liquid inlet and liquid outlet of the liquid suction pump are respectively connected to the cleaning liquid storage tank and the first switching valve through the liquid injection pipe;

[0034] The second switching valve is arranged between the liquid outlet of the gas-liquid separator and the waste liquid collection tank and is connected to the two. The cleaning liquid collection tank is connected to the second switching valve, and the second switching valve is electrically connected to the control panel. When the second switching valve is switched, the liquid outlet of the gas-liquid separator is connected to the waste liquid collection tank or the cleaning liquid collection tank.

[0035] By adopting the above technical solution, the cleaning mechanism, through the configuration of a cleaning liquid storage tank, a liquid pump, and a cleaning liquid collection tank, enables the test equipment to be effectively cleaned after completing the exhaust and oil discharge test. The use of cleaning liquid can effectively remove residual liquid and impurities within the equipment, avoiding cross-contamination between different tests, ensuring the cleanliness of the equipment and accuracy upon next use. At the same time, the provision of a second switching valve allows the cleaning liquid to flow flexibly into the cleaning liquid collection tank or the waste liquid collection tank, avoiding unnecessary liquid waste and improving the equipment's resource utilization efficiency.

[0036] In summary, this application includes at least one of the following beneficial technical effects:

[0037] 1. The entire process does not require excessive operator involvement. It is only necessary to connect the corresponding pipes to the liquid inlet and bleed screw holes on the brake caliper before the test begins. This process greatly reduces the stages of manual intervention, manual adjustment, and manual inspection, and greatly reduces the complexity of the operation. Since there is no operator involvement and the entire process is fully automatic, the possibility of misoperation and errors during the operation is greatly reduced, and the accuracy of the test results is greatly improved;

[0038] 2. When the brake caliper needs to be rotated to the actual loading angle, the control panel is used to control the drive mechanism to operate. The drive mechanism controls the rotation axis to rotate the brake caliper to the actual loading angle. At this time, the bleed screw hole on the brake caliper is rotated to a vertical upward position to ensure that the gas can be discharged smoothly during the bleed process and avoid gas residue during the test.

[0039] 3. The image sensor detects the nameplate on the brake caliper and automatically records the brand, model, batch, and other information of the brake caliper to be tested. Once confirmed, the driver drives the rotating shaft to rotate. During the rotation process, the angle adjustment mechanism detects the rotation angle. When the rotation reaches the corresponding angle, the driver stops, allowing the brake caliper to rotate to the actual installation angle.

[0040] In this process, the brake caliper can be automatically identified and tracked relevant information, avoid the omission or error caused by manual identification or error operation, image recognition sensor can accurately capture the nameplate information, further improve the intelligent level in the test process, this design can automatically record the brand, batch and other information of each caliper, ensure the traceability of the whole test process, help quality control and troubleshooting;

[0041] 4. In the process of rotating shaft rotation, the second mounting rod drives the laser emitter to rotate, and the laser emitted by the laser emitter can be received by the receiver in real time, so as to judge the rotation angle of the brake caliper. Through the cooperation of the laser emitter and the receiver, the precise rotation angle detection is realized. The emission light of the laser emitter can be aligned with the receiver to accurately quantify the rotation angle of the brake caliper.

[0042] The receiver is designed in a circular arc shape composed of multiple sensor arrays, which can capture laser signals in a wide range, making the whole angle adjustment process more flexible and stable. This structure not only improves the accuracy of angle adjustment, but also makes the adjustment process more automated, reducing the error caused by manual adjustment. BRIEF DESCRIPTION OF DRAWINGS

[0043] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following will briefly introduce the drawings needed in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative labor.

[0044] Figure 1 is the overall structure schematic diagram of the front view of the automobile brake caliper exhaust and oil test equipment in the embodiment of the present application;

[0045] Figure 2 is the overall structure schematic diagram of the back view of the automobile brake caliper exhaust and oil test equipment in the embodiment of the present application;

[0046] Figure 3 is Figure 1 the partial structure schematic diagram of the clamping tool in the embodiment of the present application;

[0047] Figure 4 is Figure 3 the internal structure schematic diagram of the light shielding degree adjusting mechanism in the embodiment of the present application;

[0048] Figure 5 is Figure 1 the structure schematic diagram of the exhaust and oil test mechanism in the embodiment of the present application.

[0049] Figure numerals: 1. test bench; 11. control panel; 12. waste liquid collection tank; 13. connecting pipe; 14. filter; 2. clamping fixture; 21. fixing seat; 211. avoidance groove; 22. rotating shaft; 23. caliper assembly fixing plate; 231. brake caliper; 2311. liquid inlet hole; 2312. bleed screw hole; 3. driving mechanism; 31. driving part; 32. driving bevel gear; 33. driven bevel gear; 4. nameplate recognition mechanism; 41. first mounting rod; 42. image recognition sensor; 5. angle adjustment mechanism; 51. second mounting rod; 52. laser transmitter; 53. receiver; 6. exhaust and oil discharge Testing mechanism; 61. Liquid storage tank; 62. Oil injection pump; 63. Pressure pump; 64. First switching valve; 65. Oil delivery pipe; 66. Oil delivery connecting pipe; 67. Oil discharge connecting pipe; 671. Rotary sealing joint; 672. Quick connector; 68. Oil discharge pipe; 681. Gas-liquid separator; 682. Vacuum pump; 69. Ultrasonic bubble sensor; 7. Cleaning mechanism; 71. Cleaning liquid storage tank; 72. Liquid suction pump; 73. Liquid injection pipe; 74. Second switching valve; 75. Cleaning liquid collecting tank; 8. Shading degree adjustment mechanism; 81. Shading tube; 82. Shading sheet; 83. Servo motor; 84. Point light source; 85. Light sensor. DETAILED DESCRIPTION

[0050] The following is combined with Figure 1-5 , further details of this application are given.

[0051] The embodiment of the present application discloses an automobile brake caliper exhaust and oil discharge test device.

[0052] Reference Figure 1 and Figure 2 A vehicle brake caliper exhaust and oil discharge test equipment is used to test the brake caliper 231, including a test bench 1, on which is provided a clamping fixture 2 for clamping the brake caliper 231, and the clamping fixture 2 can drive the brake caliper 231 to rotate, and the clamping fixture 2 is provided with a nameplate identification mechanism 4 for identifying the nameplate information on the brake caliper 231 and an angle adjustment mechanism 5 for adjusting the rotation angle of the brake caliper 231.

[0053] The test bench 1 is provided with an exhaust and oil discharge test mechanism 6 for testing the brake caliper 231 and a cleaning mechanism 7 for cleaning the inner cavity of the brake caliper 231 after the test. The test bench 1 is also provided with a control panel 11. The nameplate identification mechanism 4, the angle adjustment mechanism 5, the exhaust and oil discharge test mechanism 6 and the cleaning mechanism 7 are all electrically connected to the control panel 11.

[0054] The control panel 11 is in electrical communication with all electrical components, and an automatic test program is pre-set in the program of the control panel 11, when the brake caliper 231 needs to be tested, the brake caliper 231 is fixedly installed on the clamping tool 2, the pipelines related to the brake caliper 231 such as the exhaust and oil test mechanism 6 and the cleaning mechanism 7 are connected, and then the program is started, and the control panel 11 can automatically realize the whole test process.

[0055] The nameplate recognition mechanism 4 first recognizes the nameplate information on the brake caliper 231, records the actual installation angle of the brake caliper 231 to be tested, and then drives the brake caliper 231 to rotate, and in the process of rotation, the angle adjusting mechanism 5 detects the rotation angle of the brake caliper 231, and when the actual installation angle is reached, the driving mechanism 3 stops rotating and fixes the brake caliper 231 at the actual installation angle.

[0056] Then the exhaust and oil test mechanism 6 automatically performs oil injection, exhaust and pressure test, and after the test is completed, the cleaning mechanism 7 automatically cleans the inner cavity of the brake caliper 231 to complete the whole test process.

[0057] The above-mentioned all structures will be described in detail as follows:

[0058] Specifically, referring to Figure 2 and Figure 3 , the clamping tool 2 includes a fixed seat 21, a rotating shaft 22 and a caliper assembly fixing plate 23, the fixed seat 21 is fixed on the test table 1, the rotating shaft 22 is partially inserted into the fixed seat 21, the caliper assembly fixing plate 23 is fixedly installed on the part of the rotating shaft 22 extending out of the fixed seat 21, and the brake caliper 231 is fixedly installed on the caliper assembly fixing plate 23.

[0059] The brake caliper 231 is provided with a liquid inlet hole 2311 and a gas discharge screw hole 2312, and the fixed seat 21 is further provided with a driving mechanism 3 for driving the rotating shaft 22 to rotate, the driving mechanism 3 is electrically connected with the control panel 11, and the driving mechanism 3 can drive the gas discharge screw hole 2312 on the brake caliper 231 to rotate to a vertical upward position.

[0060] Referring to Figure 2 and Figure 3 , the driving mechanism 3 includes a driving part 31, a driving bevel gear 32 and a driven bevel gear 33, the driving part 31 can adopt a speed reducer motor, a stepping motor or the like, in this embodiment, the driving part 31 adopts a speed reducer motor, the speed reducer motor is installed on the fixed seat 21 and is electrically connected with the control panel 11, the driving bevel gear 32 is coaxially fixed on the output shaft of the speed reducer motor, the driven bevel gear 33 is coaxially fixed on the rotating shaft 22, and the driving bevel gear 32 and the driven bevel gear 33 are engaged.

[0061] When the reduction motor is working, the driving bevel gear 32 and the driven bevel gear 33 drive the rotation of the rotating shaft 22, so that the installation angle of the brake caliper 231 is rotated to an angle consistent with the actual installation angle. Through the efficient automatic caliper angle adjustment method, precise angle adjustment can be achieved through the electronic control system.

[0062] This drive system ensures precise control of the rotation angle through a gear transmission mechanism and can automatically adjust the angle according to the instructions on the control panel 11, eliminating the errors caused by manual adjustment and improving the accuracy and efficiency of the test process. The combination of the electronic control of the drive mechanism 3 and the control panel 11 makes operation easier and more stable.

[0063] Reference Figure 2 and Figure 3 The nameplate recognition mechanism 4 includes a first mounting rod 41 and an image recognition sensor 42. An arc-shaped avoidance groove 211 is opened at the end of the fixed seat 21. One end of the first mounting rod 41 passes through the avoidance groove 211 and is fixedly connected to the end of the rotating shaft 22. The image recognition sensor 42 is arranged at the other end of the first mounting rod 41, located at the nameplate position facing the brake caliper 231, and the image recognition sensor 42 is electrically connected to the control panel 11.

[0064] The image sensor will detect the nameplate on the brake caliper 231 and automatically record the brand, model, batch and other information of the brake caliper 231 to be detected. After confirmation, the reduction motor drives the rotating shaft 22 to rotate. During the rotation process, the angle adjustment mechanism 5 will detect the rotation angle. When it rotates to the corresponding angle, the reduction motor stops, allowing the brake caliper 231 to rotate to the actual assembly angle for loading.

[0065] During this process, the brake caliper 231 can be automatically identified and relevant information tracked, avoiding omissions or errors caused by manual labeling or incorrect operation. The image recognition sensor 42 accurately captures nameplate information, further enhancing the intelligence of the testing process. This design automatically records information such as the brand and batch of each brake caliper 231, ensuring traceability throughout the testing process and facilitating quality control and troubleshooting.

[0066] Because the colors of different brake caliper models and brands may vary, and the colors of their nameplates may also vary, and the image recognition sensor 42 is significantly affected by external light sources, a light shielding adjustment mechanism 8 is provided between the image recognition sensor 42 and the nameplate of the brake caliper 231 to ensure that the image recognition sensor 42 can achieve good recognition results in environments with different external light intensities and nameplates of different colors.

[0067] Reference Figure 3 And Figure 4 The light-shielding degree adjusting mechanism 8 comprises a light-shielding cylinder 81, a light-shielding sheet 82, a servo motor 83, a point light source 84 and a light sensor 85. The light-shielding cylinder 81 is hollow and coated with a reflective coating on the inner wall. The light-shielding cylinder 81 is installed at the end of the image recognition sensor 42, and the recognition end of the image recognition sensor 42 is opposite to the opening end of the light-shielding cylinder 81.

[0068] The light-shielding sheet 82 is rotatably installed in the light-shielding cylinder 81, and the initial surface of the light-shielding sheet 82 is perpendicular to the length direction of the light-shielding cylinder 81, and the light transmittance at this position is the largest. In other embodiments, if the light-shielding sheet 82 needs to have more light transmittance adjustment, the light-shielding sheet 82 can be set to have different thickness at both ends, so that a larger range of light transmittance adjustment can be achieved.

[0069] The servo motor 83 is installed at the top of the light-shielding cylinder 81, and the output shaft is connected with the light-shielding sheet 82. When the servo motor 83 rotates, it can drive the light-shielding sheet 82 to rotate by a certain angle, so that the light intensity reaching the image recognition sensor 42 through the light-shielding sheet 82 can be changed.

[0070] The point light source 84 is uniformly and intervally arranged. A plurality of point light sources 84 are intervally arranged at the end of the light-shielding cylinder 81 away from the image recognition sensor 42. The light sensor 85 is provided with two, and the two light sensors 85 are symmetrically arranged on the inner wall of the light-shielding cylinder 81.

[0071] When the nameplate of the brake caliper 231 is in an environment with too strong light, the nameplate may emit light, which makes it difficult for the image recognition sensor 42 to accurately recognize the information on the nameplate. At this time, the light sensor 85 detects the light intensity, and the servo motor 83 drives the light-shielding sheet 82 to rotate by a corresponding angle, so that the information on the nameplate can be accurately recognized by the image recognition sensor 42.

[0072] When the nameplate of the brake caliper 231 is in an environment with weak light, the plurality of point light sources 84 uniformly irradiate the surface of the nameplate, so that the information on the surface of the nameplate can be accurately recognized by the image recognition sensor 42, and the adjustment angle of the brake caliper 231 is more accurate.

[0073] Specifically, refer to Figure 2 And Figure 3The angle adjustment mechanism 5 includes a second mounting rod 51, a laser emitter 52 and a receiver 53. A plurality of avoidance slots 211 are opened at the end of the fixed base 21. One end of the second mounting rod 51 passes through the corresponding avoidance slots 211 and is fixedly connected to the end of the rotating shaft 22. The laser emitter 52 is fixedly mounted on the other end of the second mounting rod 51. The receiver 53 is fixedly connected to the fixed base 21, and the receiver 53 is composed of a plurality of sensor arrays in an arc shape. The laser emitter 52 and the receiver 53 are both electrically connected to the control panel 11. When the rotating shaft 22 rotates, the emitting end of the laser emitter 52 can move along the arc direction of the receiver 53 with the surface facing the receiver 53.

[0074] As the rotating shaft 22 rotates, the second mounting rod 51 drives the laser emitter 52 to rotate. The laser light emitted by the laser emitter 52 is received in real time by the receiver 53, thereby determining the rotation angle of the brake caliper 231. As the brake caliper 231 rotates, the image recognition sensor 42 begins to detect the nameplate information on the brake caliper 231. Through the cooperation of the laser emitter 52 and the receiver 53, precise angle adjustment is achieved.

[0075] The light emitted by the laser emitter 52 can be aligned with the receiver 53 to precisely quantify the rotation angle of the brake caliper 231. The receiver 53, comprised of a multi-sensor array and designed in an arc shape, can capture laser signals over a wide range, making the entire angle adjustment process more flexible and stable. This structure not only improves the accuracy of angle adjustment but also makes the adjustment process more automated, reducing errors caused by manual adjustments.

[0076] After the adjustment of the actual mounting angle of the brake caliper 231 is completed, the exhaust and oil discharge test will be carried out. Figure 1 、 Figure 2 and Figure 4 The exhaust and oil discharge test mechanism 6 includes a liquid storage tank 61, an oil filling pump 62, a pressure pump 63, a first switching valve 64, an oil delivery pipe 65, an oil delivery connecting pipe 66, an oil discharge connecting pipe 67, an oil discharge pipe 68 and an ultrasonic bubble sensor 69. Brake fluid is installed in the inner cavity of the liquid storage tank 61, and both ends of the oil filling pump 62 and the pressure pump 63 are connected to the liquid storage tank 61 and the first switching valve 64 respectively through the oil delivery pipe 65.

[0077] The oil supply connecting pipe 66 and the oil drain connecting pipe 67 are both installed on the caliper assembly fixing plate 23. One end of the oil supply connecting pipe 66 is connected to the first switching valve 64 through the oil supply pipe 65, and the other end can be connected to the liquid inlet hole 2311 of the brake caliper 231 installed on the caliper assembly fixing plate 23. One end of the oil drain connecting pipe 67 is connected to the oil drain pipe 68, and the other end can be connected to the air bleed screw hole 2312 of the brake caliper 231 installed on the caliper assembly fixing plate 23. The ultrasonic bubble sensor 69 is installed on the oil drain pipe 68 for detecting bubbles in the brake fluid passing through the oil drain pipe 68.

[0078] The oil filling pump 62 , the pressure pump 63 , the first switching valve 64 , and the ultrasonic bubble sensor 69 are all electrically connected to the control panel 11 .

[0079] When the brake caliper 231 rotates to the actual loading angle, the control panel 11 automatically controls the oil filling pump 62 to start, and the oil filling pump 62 transports the brake fluid in the fluid storage tank 61 to the first switching valve 64 through the oil pipe 65. At this time, the first switching valve 64 is connected to the oil filling pump 62, and the brake fluid enters the inner cavity of the brake caliper 231 through the liquid inlet hole 2311 after passing through the oil connecting pipe 66. At this time, the air in the brake caliper 231 will be discharged from the bleed screw hole 2312.

[0080] When the inner cavity of the brake caliper 231 is filled with brake fluid, the brake fluid will be discharged from the oil drain pipe 68 through the oil drain connecting pipe 67. During the discharge process, the ultrasonic bubble sensor 69 will detect the bubbles in the brake fluid in the oil drain pipe 68. When no bubbles are detected, it means that the air in the inner cavity of the brake caliper 231 has been discharged.

[0081] Then, the first switching valve 64 automatically switches to connect the pressure pump 63 to the first switching valve 64. At this time, the pressure pump 63 works, and the pressure pump 63 pressurizes the brake fluid in the fluid storage tank 61 and passes it into the brake caliper 231 through the oil pipe 65 and the oil connecting pipe 66, thereby creating pressure in the brake caliper 231, simulating the working pressure that the brake caliper 231 is subjected to during actual use. This pressure is usually set according to the requirements of the brake caliper 231 when working in an actual vehicle.

[0082] By simulating the actual working environment, the pressure pump 63 ensures that the brake caliper 231 can operate normally during the test, thereby verifying its sealing performance, exhaust performance and other key performances.

[0083] Further, refer to Figure 1 and Figure 3The ends of the oil supply connecting pipe 66 and the oil discharge connecting pipe 67 are respectively provided with a rotary seal joint 671 and a quick connector 672. The rotary seal joint 671 is used to rotary seal the oil supply connecting pipe 66 and the oil supply pipe 65, or to rotary seal the oil discharge connecting pipe 67 and the oil discharge pipe 68. The quick connector 672 is removable and mountable at the ends of the oil supply connecting pipe 66 and the oil discharge connecting pipe 67. The quick connector 672 is provided in a variety of sizes and sizes corresponding to different models of brake calipers 231.

[0084] As the rotating shaft 22 drives the caliper assembly fixing plate 23 to rotate, the rotating seal joint 671 reduces the impact of the oil connection pipe 66 on the oil pipe 65, allowing the oil connection pipe 66 to rotate and connect with the oil pipe 65. The removable quick-connect joint 672 allows different models of brake calipers 231 to be quickly connected and disconnected, improving the flexibility and adaptability of the equipment. In particular, different models of brake calipers 231 can be quickly switched during testing, reducing working time and improving production efficiency.

[0085] Reference Figure 1 and 5 A gas-liquid separator 681 and a vacuum pump 682 are provided on the oil drain pipe 68. The gas-liquid separator 681 and the vacuum pump 682 are both electrically connected to the control panel 11. The end of the oil drain pipe 68 is connected to the inlet of the gas-liquid separator 681, and the gas outlet of the gas-liquid separator 681 is connected to the air suction port of the vacuum pump 682. A waste liquid collection tank 12 is also provided on the test bench 1, and the liquid outlet of the gas-liquid separator 681 is connected to the waste liquid collection tank 12.

[0086] The installation of gas-liquid separator 681 and vacuum pump 682 solves the problem of gas and liquid mixing during the oil drainage process. Gas-liquid separator 681 effectively separates liquid and gas, ensuring that bubbles are effectively removed and preventing gas from entering the oil drain pipe 68, thereby improving the reliability of test data. Vacuum pump 682 further extracts gas after gas-liquid separation, reducing residual gas and ensuring that the liquid in the oil drain pipe 68 reaches the desired purity, preventing interference from bubbles.

[0087] Reference Figure 1 and Figure 5A connecting pipe 13 is provided between the waste liquid collection tank 12 and the liquid storage tank 61. The connecting pipe 13 is provided with a filter 14 for filtering impurities in the brake fluid, and the minimum liquid level in the waste liquid collection tank 12 is higher than the height of the connection point between the liquid storage tank 61 and the connecting pipe 13. The design of the connecting pipe 13 and the filter 14 between the waste liquid collection tank 12 and the liquid storage tank 61 ensures the effective recovery of the waste liquid and filters the impurities therein, preventing impurities from entering the liquid storage tank 61 and contaminating the brake fluid. The design of the liquid level in the waste liquid collection tank 12 ensures the smooth flow of liquid in the system and effectively prevents waste liquid from entering the liquid storage tank 61, further ensuring the quality of the liquid during the test.

[0088] Reference Figure 1 and Figure 5 The cleaning mechanism 7 includes a cleaning liquid storage tank 71, a liquid pump 72, a liquid injection pipe 73, a second switching valve 74 and a cleaning liquid collection tank 75. The liquid pump 72 is electrically connected to the control panel 11, and the liquid inlet and outlet ends of the liquid pump 72 are respectively connected to the cleaning liquid storage tank 71 and the first switching valve 64 through the liquid injection pipe 73;

[0089] The second switching valve 74 is arranged between the liquid outlet of the gas-liquid separator 681 and the waste liquid collection tank 12 and is connected to the two. The cleaning liquid collection tank 75 is connected to the second switching valve 74. The second switching valve 74 is electrically connected to the control panel 11. When the second switching valve 74 is switched, the liquid outlet of the gas-liquid separator 681 is connected to the waste liquid collection tank 12 or the cleaning liquid collection tank 75.

[0090] The cleaning mechanism 7, through the configuration of a cleaning liquid storage tank 71, a liquid pump 72, and a cleaning liquid collection tank 75, enables the test equipment to be effectively cleaned after completing the exhaust and oil discharge test. The use of cleaning liquid can effectively remove residual liquid and impurities within the equipment, avoiding cross-contamination between different tests, ensuring the cleanliness of the equipment and its accuracy upon next use. At the same time, the provision of a second switching valve 74 allows the cleaning liquid to flow flexibly into the cleaning liquid collection tank 75 or the waste liquid collection tank 12, avoiding unnecessary liquid waste and improving the resource utilization efficiency of the equipment.

[0091] The implementation principle of an automobile brake caliper exhaust and oil drainage test equipment in an embodiment of the present application is as follows: when it is necessary to test the brake caliper 231, the brake caliper 231 is installed on the clamping tooling 2, and the control panel 11 is operated so that the control panel 11 controls the nameplate identification mechanism 4 to first identify the nameplate on the brake caliper 231, thereby identifying the brand, model, batch and other information of the brake caliper 231 to be tested, and then the angle adjustment mechanism 5 drives the brake caliper 231 to rotate to the actual loading angle. At this time, the exhaust and oil drainage test mechanism 6 performs oil filling, exhaust, pressurization and other tests on the inside of the brake caliper 231. After the test is completed, the cleaning mechanism 7 automatically cleans the inside of the brake caliper 231. Since the entire process does not require too much manual participation, the errors and improper operations that may be caused by manual participation are greatly reduced, and the efficiency and accuracy of the test are greatly improved.

[0092] The above are all optional embodiments of the present application, and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An automobile brake caliper exhaust and oil discharge test device for testing a brake caliper (231), characterized in that: The invention comprises a test bench (1), wherein the test bench (1) is provided with a clamping fixture (2) for clamping a brake caliper (231), and the clamping fixture (2) can drive the brake caliper (231) to rotate, and the clamping fixture (2) is provided with a nameplate identification mechanism (4) for identifying nameplate information on the brake caliper (231) and an angle adjustment mechanism (5) for adjusting the rotation angle of the brake caliper (231); The test bench (1) is provided with an exhaust and oil discharge test mechanism (6) for testing the brake caliper (231) and a cleaning mechanism (7) for cleaning the inner cavity of the brake caliper (231) after the test. The test bench (1) is also provided with a control panel (11). The nameplate identification mechanism (4), the angle adjustment mechanism (5), the exhaust and oil discharge test mechanism (6), and the cleaning mechanism (7) are all electrically connected to the control panel (11); The clamping fixture (2) includes a fixed seat (21), a rotating shaft (22) and a caliper assembly fixed plate (23); the fixed seat (21) is fixed on the test bench (1); the rotating shaft (22) is partially rotatably inserted into the fixed seat (21); the caliper assembly fixed plate (23) is fixedly mounted on the portion of the rotating shaft (22) extending from the fixed seat (21); and the brake caliper (231) is detachably fixedly mounted on the caliper assembly fixed plate (23); The brake caliper (231) is provided with a liquid inlet hole (2311) and a bleed screw hole (2312); the fixing seat (21) is further provided with a driving mechanism (3) for driving the rotating shaft (22) to rotate; the driving mechanism (3) is electrically connected to the control panel (11); and the driving mechanism (3) can drive the bleed screw hole (2312) on the brake caliper (231) to rotate to a vertically upward position; The angle adjustment mechanism (5) comprises a second mounting rod (51), a laser emitter (52) and a receiver (53); a plurality of avoidance slots (211) are provided at the end of the fixing seat (21); one end of the second mounting rod (51) passes through the corresponding avoidance slots (211) and is fixedly connected to the end of the rotating shaft (22); the laser emitter (52) is fixedly mounted on the other end of the second mounting rod (51); the receiver (53) is fixedly connected to the fixing seat (21); and the receiver (53) is formed into an arc shape by a plurality of sensor arrays; the laser emitter (52) and the receiver (53) are both electrically connected to the control panel (11); and when the rotating shaft (22) rotates, the emitting end of the laser emitter (52) can move along the arc direction of the receiver (53) with the surface facing the receiver (53).

2. The automobile brake caliper exhaust and oil discharge test equipment according to claim 1, characterized in that: The driving mechanism (3) comprises a driving member (31), a driving bevel gear (32) and a driven bevel gear (33); the driving member (31) is mounted on the fixing seat (21) and is electrically connected to the control panel (11); the driving bevel gear (32) is coaxially fixed to the output shaft of the driving member (31); the driven bevel gear (33) is coaxially fixed to the rotating shaft (22); and the driving bevel gear (32) and the driven bevel gear (33) are meshed.

3. The automobile brake caliper exhaust and oil discharge test equipment according to claim 1, characterized in that: The nameplate recognition mechanism (4) comprises a first mounting rod (41) and an image recognition sensor (42); an arc-shaped avoidance slot (211) is provided at the end of the fixing seat (21); one end of the first mounting rod (41) passes through the avoidance slot (211) and is fixedly connected to the end of the rotating shaft (22); the image recognition sensor (42) is arranged at the other end of the first mounting rod (41) and is located at a nameplate position facing the brake caliper (231); and the image recognition sensor (42) is electrically connected to the control panel (11).

4. The automobile brake caliper exhaust and oil discharge test equipment according to claim 1, characterized in that: The exhaust and oil discharge test mechanism (6) comprises a liquid storage tank (61), an oil injection pump (62), a pressure pump (63), a first switching valve (64), an oil delivery pipe (65), an oil delivery connecting pipe (66), an oil discharge connecting pipe (67), an oil discharge pipe (68) and an ultrasonic bubble sensor (69). Brake fluid is installed in the inner cavity of the liquid storage tank (61). Both ends of the oil injection pump (62) and the pressure pump (63) are connected to the liquid storage tank (61) and the first switching valve (64) respectively through the oil delivery pipe (65). The oil delivery connecting pipe (66) and the oil drain connecting pipe (67) are both mounted on the caliper assembly fixing plate (23); one end of the oil delivery connecting pipe (66) is communicated with the first switching valve (64) through the oil delivery pipe (65), and the other end can be communicated with the liquid inlet hole (2311) of the brake caliper (231) mounted on the caliper assembly fixing plate (23); one end of the oil drain connecting pipe (67) is communicated with the oil drain pipe (68), and the other end can be communicated with the air bleed screw hole (2312) of the brake caliper (231) mounted on the caliper assembly fixing plate (23); the ultrasonic bubble sensor (69) is mounted on the oil drain pipe (68) for detecting bubbles in the brake fluid passing through the oil drain pipe (68); The oil injection pump (62), the pressure pump (63), the first switching valve (64) and the ultrasonic bubble sensor (69) are all electrically connected to the control panel (11).

5. The automobile brake caliper exhaust and oil discharge test equipment according to claim 4, characterized in that: Both ends of the oil delivery connecting pipe (66) and the oil discharge connecting pipe (67) are respectively provided with a rotary sealing joint (671) and a quick connector (672), wherein the rotary sealing joint (671) is used for rotary sealing connection of the oil delivery connecting pipe (66) and the oil delivery pipe (65), or for rotary sealing connection of the oil discharge connecting pipe (67) and the oil discharge pipe (68); The quick-connect joint (672) is detachably mounted on the ends of the oil delivery connecting pipe (66) and the oil discharge connecting pipe (67), and the quick-connect joint (672) is provided with a plurality of different sizes corresponding to different types of brake calipers (231).

6. The automobile brake caliper exhaust and oil discharge test equipment according to claim 4, characterized in that: The oil drain pipe (68) is provided with a gas-liquid separator (681) and a vacuum pump (682). The gas-liquid separator (681) and the vacuum pump (682) are both electrically connected to the control panel (11). The end of the oil drain pipe (68) is connected to the inlet of the gas-liquid separator (681). The gas outlet of the gas-liquid separator (681) is connected to the air intake of the vacuum pump (682). A waste liquid collection tank (12) is also provided on the test bench (1). The liquid outlet of the gas-liquid separator (681) is connected to the waste liquid collection tank (12).

7. The automobile brake caliper exhaust and oil discharge test equipment according to claim 6, characterized in that: A connecting pipe (13) is provided between the waste liquid collection tank (12) and the liquid storage tank (61), and a filter (14) is provided on the connecting pipe (13) for filtering impurities in the brake fluid. The lowest liquid level in the waste liquid collection tank (12) is higher than the height of the connection point between the liquid storage tank (61) and the connecting pipe (13).

8. The automobile brake caliper exhaust and oil discharge test equipment according to claim 6, characterized in that: The cleaning mechanism (7) comprises a cleaning liquid storage tank (71), a liquid extraction pump (72), a liquid injection pipe (73), a second switching valve (74) and a cleaning liquid collection tank (75); the liquid extraction pump (72) is electrically connected to the control panel (11), and the liquid inlet and liquid outlet of the liquid extraction pump (72) are respectively connected to the cleaning liquid storage tank (71) and the first switching valve (64) through the liquid injection pipe (73); The second switching valve (74) is arranged between the liquid outlet of the gas-liquid separator (681) and the waste liquid collection tank (12) and is connected to both of them. The cleaning liquid collection tank (75) is connected to the second switching valve (74). The second switching valve (74) is electrically connected to the control panel (11). When the second switching valve (74) is switched, the liquid outlet of the gas-liquid separator (681) is connected to the waste liquid collection tank (12) or the cleaning liquid collection tank (75).

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