Testing device and testing method

Abstract

The invention relates to a testing device and a testing method, and relates to the technical field of well drilling blowout prevention tools. The testing device comprises a supporting piece, a clamping assembly, a driving assembly, a wrench assembly and a sensing piece. The clamping assembly is arranged on the supporting piece, and the clamping assembly is used for clamping a to-be-tested piece; the driving assembly is arranged on the supporting piece; the wrench assembly is arranged on the driving assembly, and the wrench assembly can open a target part of the to-be-tested piece under the action of hydraulic pressure; the sensing piece is used for sensing the torque of the wrench assembly and generating a corresponding sensing electric signal; wherein the driving assembly can drive the wrench assembly to move, so that the wrench assembly is aligned with the target part of the to-be-tested piece. According to the technical scheme disclosed by the invention, the test efficiency can be improved, the labor intensity is reduced, and the test success rate is improved.

Description

Technical Field

[0001] The invention relates to the technical field of drilling blowout prevention tools, and in particular to a testing device and a testing method. Background Art

[0002] The plug valve is an important tool in the well control system, which can close the central water hole of the drill bit and effectively prevent blowouts in the pipe string. Therefore, the reliability of the plug switch performance of the plug valve is the guarantee for preventing well control accidents and ensuring the safety of well control. The current plug valve pressurized torque test system is to fix the wrench on the plug body through the tooling, and open the plug valve by manually operating the wrench after the plug cavity is pressurized to measure the opening torque of the plug valve. However, it is found that there are at least the following problems in the prior art: the wrench cannot be applied to plug valves of different sizes after being fixed by the tooling, and the plug knob of the plug valve cannot be quickly aligned, which affects the test efficiency, and the manual operation of the wrench for testing is not only labor-intensive and inefficient, but also easy to cause the plug opening test to fail. Summary of the invention

[0003] The embodiments of the present invention provide a testing device and a testing method, which can improve testing efficiency, reduce labor intensity, and improve the success rate of testing.

[0004] In a first aspect, an embodiment of the present invention provides a testing device, including:

[0005] Supports;

[0006] A clamping assembly, disposed on the support member, and used for clamping the piece to be tested;

[0007] A driving assembly, disposed on the support member;

[0008] a wrench assembly, disposed on the driving assembly, the wrench assembly being capable of opening the target portion of the test piece under hydraulic pressure; and

[0009] A sensing member, used for sensing the torque of the wrench assembly and generating a corresponding sensing electrical signal;

[0010] The driving assembly can drive the wrench assembly to move so that the wrench assembly is aligned with the target portion of the test piece.

[0011] In one embodiment, the clamping assembly comprises:

[0012] A fixing part, arranged on the supporting member;

[0013] a clamping driving part, disposed on the supporting member; and

[0014] A translation part, movably disposed on the support member;

[0015] The clamping driving part can drive the translation part to move, so that the translation part approaches or moves away from the fixing part, so as to clamp or release the test piece.

[0016] In one embodiment, the fixing portion includes a fixing member and a plurality of first position-limiting members, the fixing member is disposed on the supporting member, the plurality of first position-limiting members are disposed on the fixing member, and the plurality of first position-limiting members are arranged at intervals along a height direction;

[0017] The translation part includes a translation member and a plurality of second position-limiting members, the translation member is movably disposed on the support member, the plurality of second position-limiting members are disposed on the translation member, and the plurality of second position-limiting members are spaced apart along the height direction;

[0018] The first limiting member is provided with a first limiting groove, and the second limiting member is provided with a second limiting groove. Both the first limiting groove and the second limiting groove are used for contacting with the to-be-tested member.

[0019] In one embodiment, the drive assembly comprises:

[0020] A first adjusting portion, disposed on the supporting member;

[0021] A second adjusting portion, movably disposed on the first adjusting portion, wherein the first adjusting portion can drive the second adjusting portion to move along a first direction;

[0022] A third adjusting portion is movably disposed on the second adjusting portion, and the second adjusting portion can drive the third adjusting portion to move in a height direction; and

[0023] A driving seat, movably disposed on the third adjusting portion, wherein the third adjusting portion can drive the driving seat to move along the second direction;

[0024] Wherein, the wrench assembly is arranged on the driving seat, and the first direction and the second direction are perpendicular to the height direction, so that the wrench assembly is aligned with the target part of the test piece.

[0025] In one embodiment, the wrench assembly comprises:

[0026] A housing is provided with a cavity;

[0027] A hydraulic torque wrench is disposed in the cavity;

[0028] A lever arm structure, located at one side of the housing, wherein the lever arm structure is disposed on the driving seat; and

[0029] A drive shaft, disposed on the hydraulic torque wrench and passing through the lever structure, the drive shaft being capable of cooperating with a target portion of the test piece;

[0030] Wherein, the hydraulic torque wrench can drive the driving shaft to rotate so as to open the target portion of the test piece.

[0031] In one embodiment, the sensing element is at least partially located in the lever arm structure, the sensing element is connected to the housing and the lever arm structure respectively, and the sensing element is used to sense the torque of the hydraulic torque wrench and generate a corresponding sensing electrical signal;

[0032] Wherein, the driving shaft passes through the sensing component and is connected to the sensing component.

[0033] In one embodiment, the lever arm structure comprises:

[0034] A main body, a side of which is close to the shell and is provided with a slot for accommodating the sensor;

[0035] A first reaction force arm is disposed on a side of the main body away from the housing; and

[0036] A second reaction force arm is arranged on a side of the main body away from the shell;

[0037] Wherein, the driving shaft is located between the first reaction force arm and the second reaction force arm.

[0038] In one embodiment, the upper end surface of the first reaction force arm and the lower end surface of the second reaction force arm are both provided with a protective plate, or the lower end surface of the first reaction force arm and the upper end surface of the second reaction force arm are both provided with a protective plate;

[0039] Wherein, a through slot is provided on the driving seat, the first reaction force arm and the second reaction force arm are both provided in the through slot, the protective plate abuts against the inner wall of the through slot, and the driving shaft passes through the through slot.

[0040] In one embodiment, the testing device comprises:

[0041] display module; and

[0042] A controller, electrically connected to the display module and the sensing element respectively;

[0043] The controller is capable of receiving the sensing electrical signal and transmitting it to the display module, so that the display module can display the current torque of the wrench assembly.

[0044] In a second aspect, an embodiment of the present invention provides a testing method, including:

[0045] Placing the test piece on the support and clamping the test piece by a clamping assembly;

[0046] Move the wrench assembly by the driving assembly so that the wrench assembly is aligned with the target portion on the test piece;

[0047] Opening the target portion of the test piece under the action of hydraulic pressure by the wrench assembly;

[0048] The torque of the wrench assembly is sensed by a sensing element, and a corresponding sensing electrical signal is generated.

[0049] Compared with the prior art, the advantages of the embodiments of the present invention are that, by setting a clamping assembly, a driving assembly, a wrench assembly and a sensor, a structural basis is provided for improving the automation of the test and reducing the manual workload. By setting a driving assembly to drive the wrench assembly to move, the user can adjust the position of the wrench assembly according to the position of the target part of the test piece, so that the wrench assembly can be quickly aligned with the target part of the test piece, so that the wrench assembly can be applied to plug valves of different specifications and sizes, with high versatility and flexibility, and improved test efficiency; the wrench assembly is operated by hydraulic power, and the torque of the wrench assembly is monitored in real time by using the sensor, thereby avoiding the risks caused by manual operation of the wrench, which not only reduces labor intensity but also improves test accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0050] Hereinafter, the present invention will be described in more detail based on embodiments and with reference to the accompanying drawings.

[0051] Figure 1 is a schematic diagram of the three-dimensional structure of a testing device provided by an embodiment of the present invention;

[0052] Figure 2 yes Figure 1 A schematic diagram of the three-dimensional structure of the test device provided in the embodiment in another viewing angle;

[0053] Figure 3 yes Figure 1 A schematic diagram of the structure of a drive assembly provided in the embodiment;

[0054] Figure 4 yes Figure 1 A cross-sectional view of a wrench assembly provided in an embodiment;

[0055] Figure 5 yes Figure 1 A schematic diagram of the three-dimensional structure of a wrench assembly provided in the embodiment;

[0056] Figure 6 yes Figure 1 A schematic diagram of the three-dimensional structure of the housing provided in the embodiment;

[0057] Figure 7 yes Figure 1 A schematic diagram of the three-dimensional structure of the lever arm structure provided in the embodiment;

[0058] Figure 8 yes Figure 1 A schematic diagram of the three-dimensional structure of the lever arm structure provided in the embodiment in another perspective.

[0059] Reference numerals:

[0060] 10. Support member; 20. Clamping assembly; 210. Fixing part; 2101. Fixing member; 2102. First limiting member; 2103. First limiting groove; 220. Clamping driving part; 230. Translation part; 2301. Translation member; 2302. Second limiting member; 2303. Second limiting groove; 30. Driving assembly; 310. First slide rail; 320. Adjusting seat; 330. Fixing seat; 340. Driving seat; 3401. Through slot; 350, second slide rail; 360, third slide rail; 40, wrench assembly; 410, shell; 4101, cavity; 4102, lining plate; 430, force arm structure; 4301, main body; 4302, first reaction force arm; 4303, second reaction force arm; 4304, protective plate; 440, drive shaft; 450, cover plate; 460, handle; 50, sensing member; 60, member to be tested; 610, target portion. DETAILED DESCRIPTION

[0061] The present invention will be further described below in conjunction with the accompanying drawings.

[0062] The plug valve is an important tool in the well control system, which can close the central water hole of the drill bit and effectively prevent blowouts in the pipe string. Therefore, the reliability of the plug switch performance of the plug valve is the guarantee for preventing well control accidents and ensuring the safety of well control. The current plug valve pressurized torque test system is to fix the wrench on the plug body through the tooling, and open the plug valve by manually operating the wrench after the plug cavity is pressurized to measure the opening torque of the plug valve. However, it is found that there are at least the following problems in the prior art: the wrench cannot be applied to plug valves of different sizes after being fixed by the tooling, and the plug knob of the plug valve cannot be quickly aligned, which affects the test efficiency, and the manual operation of the wrench for testing is not only labor-intensive and inefficient, but also easy to cause the plug opening test to fail.

[0063] like Figure 1 , Figure 4As shown, in order to solve the above technical problems, at least one embodiment of the present invention provides a testing device, including a support 10, a clamping assembly 20, a driving assembly 30, a wrench assembly 40 and a sensing member 50; the clamping assembly 20 is arranged on the support 10, and the clamping assembly 20 is used to clamp the test piece 60; the driving assembly 30 is arranged on the support 10; the wrench assembly 40 is arranged on the driving assembly 30, and the wrench assembly 40 can open the target part 610 of the test piece 60 under the action of hydraulic pressure; the sensing member 50 is used to sense the torque of the wrench assembly 40 and generate a corresponding sensing electrical signal; wherein the driving assembly 30 can drive the wrench assembly 40 to move so that the wrench assembly 40 is aligned with the target part of the test piece 60.

[0064] As can be seen from the above, by setting the clamping assembly 20, the driving assembly 30, the wrench assembly 40 and the sensor 50, a structural basis is provided for improving the automation of the test and reducing the manual workload. By setting the driving assembly 30 to drive the wrench assembly 40 to move, the user can adjust the position of the wrench assembly 40 according to the position of the target part of the test piece 60, so that the wrench assembly 40 is quickly aligned with the target part of the test piece 60, so that the wrench assembly 40 can be applied to plug valves of different specifications and sizes, with high versatility and flexibility, and improved test efficiency; the wrench assembly 40 is operated by hydraulic power, and the torque of the wrench assembly 40 is monitored in real time by the sensor 50, thereby avoiding the risks caused by manual operation of the wrench, which not only reduces the labor intensity, but also improves the test accuracy.

[0065] like Figure 1 , Figure 4 As shown, the testing device includes a support member 10, a clamping assembly 20, a driving assembly 30, a wrench assembly 40 and a sensing member 50; the clamping assembly 20 is disposed on the support member 10, and the clamping assembly 20 is used to clamp a test piece 60;

[0066] The clamping assembly 20, the driving assembly 30, the wrench assembly 40 and the sensing member 50 provide a structural basis for improving the automation of the test and reducing the manual workload. The clamping assembly 20 clamps the test piece 60 to prevent the test piece 60 from shaking, improves stability and reliability, and thus ensures test accuracy.

[0067] The driving assembly 30 is disposed on the supporting member 10 ; the wrench assembly 40 is disposed on the driving assembly 30 , and the wrench assembly 40 is used to open the target portion 610 of the test piece 60 .

[0068] The wrench assembly 40 is operated by hydraulic power, so that the target portion 610 of the test piece 60 can be opened by source distance control. Compared with the existing manually operated wrench, it can reduce the workload, improve the work efficiency, ensure the opening quality, and improve the success rate of the test.

[0069] The sensing member 50 is used to sense the torque of the wrench assembly 40 and generate a corresponding sensing electrical signal; wherein the driving assembly 30 can drive the wrench assembly 40 to move so that the wrench assembly 40 is aligned with the target portion of the test piece 60 .

[0070] By setting the driving assembly 30 to drive the wrench assembly 40 to move, the user can adjust the position of the wrench assembly 40 according to the position of the target part of the test piece 60, so that the wrench assembly 40 and the target part of the test piece 60 are quickly aligned, so that the wrench assembly 40 can be applied to plug valves of different specifications and sizes, with high versatility and flexibility, and improved test efficiency; the torque of the wrench assembly 40 is monitored in real time by the sensing member 50 to improve the success rate of the plug opening test.

[0071] It should be noted that the test piece 60 is a plug valve, and the target portion 610 is a plug knob of the plug valve.

[0072] like Figure 1 , Figure 2 As shown, in some embodiments, the clamping assembly 20 includes a fixing portion 210, a clamping driving portion 220 and a translation portion 230; the fixing portion 210 is disposed on the support member 10; the clamping driving portion 220 is disposed on the support member 10; the translation portion 230 is movably disposed on the support member 10; wherein the clamping driving portion 220 can drive the translation portion 230 to move, so that the translation portion 230 approaches or moves away from the fixing portion 210, so as to clamp or release the test piece 60.

[0073] The translation member 2301 is driven to move by the clamping driving part 220 , and the second limiting member 2302 moves with the translation member 2301 , so that the second limiting member 2302 is close to or away from the first limiting member 2102 , so as to clamp or release the test piece 60 , and prepare for the test of the test piece 60 .

[0074] It should be noted that the clamping driving unit 220 includes but is not limited to a cylinder and an electric push rod.

[0075] like Figure 1 , Figure 2 As shown, in some embodiments, the fixing portion 210 includes a fixing member 2101 and a plurality of first limiting members 2102, the fixing member 2101 is disposed on the supporting member 10, the plurality of first limiting members 2102 are disposed on the fixing member 2101, and the plurality of first limiting members 2102 are arranged at intervals along the height direction;

[0076] The translation part 230 includes a translation member 2301 and a plurality of second position-limiting members 2302. The translation member 2301 is movably disposed on the support member 10. The plurality of second position-limiting members 2302 are disposed on the translation member 2301. The plurality of second position-limiting members 2302 are spaced apart in the height direction.

[0077] The first limiting member 2102 is provided with a first limiting groove 2103 , and the second limiting member 2302 is provided with a second limiting groove 2303 . Both the first limiting groove 2103 and the second limiting groove 2303 are used for contacting with the to-be-tested member 60 .

[0078] The translation member 2301 is driven to move by the clamping driving part 220 , and the second position-limiting member 2302 moves along with the translation member 2301 , so that the second position-limiting member 2302 is close to or away from the first position-limiting member 2102 , so as to clamp or release the test piece 60 .

[0079] It should be noted that if Figure 1 As shown, the height direction is parallel to the Z direction.

[0080] It should also be noted that the first limiting groove 2103 and the second limiting groove 2303 are both V-shaped, and are suitable for a variety of test pieces 60 of different specifications and sizes.

[0081] It should also be noted that a translation rail is provided on the support member 10 , and the translation member 2301 is movably provided on the translation rail, and the translation rail is parallel to the second direction.

[0082] like Figure 3 As shown, in some embodiments, the driving assembly 30 includes a first adjusting part, a second adjusting part, a third adjusting part and a driving seat 340; the first adjusting part is arranged on the support member 10; the second adjusting part is movably arranged on the first adjusting part, and the first adjusting part can drive the second adjusting part to move along the first direction; the third adjusting part is movably arranged on the second adjusting part, and the second adjusting part can drive the third adjusting part to move along the height direction; the driving seat 340 is movably arranged on the third adjusting part, and the third adjusting part can drive the driving seat 340 to move along the second direction; wherein, the wrench assembly 40 is arranged on the driving seat 340, and the first direction, the second direction and the height direction are perpendicular to each other, so that the wrench assembly 40 is aligned with the target part 610 of the test piece 60.

[0083] The first adjustment part, the second adjustment part and the third adjustment part are provided to drive the drive seat 340 to move, so that the drive seat 340 has the freedom of movement in the first direction, the second direction and the height direction, and the wrench assembly 40 moves with the drive seat 340, thereby ensuring that the wrench assembly 40 can be aligned with the target part 610 of the test piece 60.

[0084] It should be noted that if Figure 1 As shown, the first direction is parallel to the Y direction, and the second direction is parallel to the X direction.

[0085] It should also be noted that the first adjusting part can be an externally purchased screw nut transmission mechanism, and the second adjusting part is installed on the nut seat. Of course, the first adjusting part can also directly drive the second adjusting part to move along the first direction through the cylinder.

[0086] It should also be noted that if Figure 3 As shown, the second adjustment part includes an adjustment seat 320, a first slide rail 310 and a lifting mechanism. The first slide rail 310 is arranged on the support member 10 and is parallel to the first direction. The adjustment seat 320 is movably installed on the first slide rail 310; the lifting mechanism is arranged on the adjustment seat 320, and the lifting mechanism is an externally purchased manual mechanical lifting trolley. For example, the lifting mechanism is a hand-cranked screw lift, which is lifted and lowered by manually turning the hand wheel in a small amplitude. It can carry a large load and has good stability. Its specific structure is the existing technology and will not be repeated in this application.

[0087] It should also be noted that if Figure 3 As shown, the third adjustment part includes a fixed seat 330, a second slide rail 350, a third slide rail 360 and an adjustment mechanism. The second slide rail 350 is arranged on the adjustment seat 320 and is parallel to the second direction. The fixed seat 330 is movably installed on the second slide rail 350. The third slide rail 360 is arranged on the fixed seat 330. The drive seat 340 is movably installed on the third slide rail 360. The adjustment mechanism is arranged on the fixed seat 330. The adjustment mechanism can be an externally purchased screw nut transmission mechanism. The drive seat 340 is installed on the nut seat. Of course, the third adjustment part can also directly drive the drive seat 340 to move along the second direction through a cylinder.

[0088] like Figure 4-Figure 6 As shown, in some embodiments, the wrench assembly 40 includes a shell 410, a hydraulic torque wrench, a lever structure 430 and a drive shaft 440; the shell 410 is provided with a cavity 4101; the hydraulic torque wrench is arranged in the cavity 4101; the lever structure 430 is located on one side of the shell 410, and the lever structure 430 is arranged on the drive seat 340; the drive shaft 440 is arranged on the hydraulic torque wrench and penetrates the lever structure 430, and the drive shaft 440 can cooperate with the target part 610 of the test piece 60; wherein, the hydraulic torque wrench can drive the drive shaft 440 to rotate to open the target part 610 of the test piece 60.

[0089] By setting the force arm structure 430 to bear the torque and provide reliable support, the shell 410 and the hydraulic torque wrench are prevented from rotating, thereby ensuring the reliability of the test; the hydraulic torque wrench drives the torque shaft to rotate, and the maximum torque value can be set as needed to test the plug valves with different pressures. Compared with the existing manually operated wrenches, the torque cannot be strictly controlled. The automatic test of the plug knob opening torque is realized, the test efficiency is high, and the test results are accurate.

[0090] It should be noted that the hydraulic torque wrench is a professional bolt tightening tool that uses hydraulic power to provide torque output and is used for the installation and removal of bolts; the hydraulic torque wrench includes a ratchet pawl mechanism, and the ratchet pawl drives the drive shaft 440 to rotate to rotate the target portion 610 of the test piece 60 to complete the test. The specific structure of the hydraulic torque wrench is prior art and will not be described in detail in this application.

[0091] It should also be noted that if Figure 6 As shown, a lining plate 4102 is provided in the cavity 4101. The lining plate 4102 is arc-shaped and serves to limit and protect the hydraulic torque wrench.

[0092] It should also be noted that if Figure 4 As shown, the wrench assembly 40 includes a cover plate 450 detachably connected to the housing 410 , and a handle 460 is provided on the cover plate 450 .

[0093] It should also be noted that the drive shaft 440 can be adapted to the target portion 610 of the test piece 60. For example, when the cross section of the target portion 610 is a quadrilateral, a quadrilateral groove adapted to the target portion 610 is provided on the drive shaft 440, and the target portion 619 is inserted into the quadrilateral groove.

[0094] like Figure 4 , Figure 7 As shown, in some embodiments, the sensing member 50 is at least partially located in the force arm structure 430, the sensing member 50 is respectively connected to the housing 410 and the force arm structure 430, and the sensing member 50 is used to sense the torque of the hydraulic torque wrench and generate a corresponding sensing electrical signal; wherein the drive shaft 440 passes through the sensing member 50 and is connected to the sensing member 50.

[0095] By arranging the sensing member 50 to be at least partially located within the force arm structure 430, an integrated structure of the sensing member 50 and the wrench assembly 40 is formed, thereby reducing the volume and weight. The sensing member 50 and the wrench assembly 40 move together with the drive seat 340, and no manual holding or fixing is required, thereby greatly reducing the workload and labor costs.

[0096] It should be noted that the sensing element 50 is a torque sensor, and the connection method between the torque sensor and the drive shaft 440 and the working principle of the torque sensor are all existing technologies and will not be described in detail without further explanation.

[0097] like Figure 5 , Figure 8As shown, in some embodiments, the force arm structure 430 includes a main body 4301, a first reaction force arm 4302 and a second reaction force arm 4303; a groove for accommodating the sensing member 50 is provided on the side of the main body 4301 close to the shell 410; the first reaction force arm 4302 is provided on the side of the main body 4301 away from the shell 410; the second reaction force arm 4303 is provided on the side of the main body 4301 away from the shell 410; wherein the drive shaft 440 is located between the first reaction force arm 4302 and the second reaction force arm 4303.

[0098] By providing the first reaction force arm 4302 and the second reaction force arm 4303 distributed on both sides of the driving shaft 440, the torque bearing effect of the force arm structure 430 is further improved.

[0099] It should be noted that a through hole for the driving shaft 440 to pass through is provided on the main body 4301 , and the through hole is communicated with the groove body; the distances between the driving shaft 440 and the first reaction force arm 4302 and the second reaction force arm 4303 are equal.

[0100] like Figure 8 As shown, in some embodiments, the upper end surface of the first reaction force arm 4302 and the lower end surface of the second reaction force arm 4303 are both provided with a protective plate 4304, or the lower end surface of the first reaction force arm 4302 and the upper end surface of the second reaction force arm 4303 are both provided with a protective plate 4304; wherein, a through groove 3401 is provided on the driving seat 340, the first reaction force arm 4302 and the second reaction force arm 4303 are both arranged in the through groove 3401, the protective plate 4304 abuts against the inner wall of the through groove 3401, and the driving shaft 440 passes through the through groove 3401.

[0101] The protective plate 4304 is provided to protect the portions where the first reaction force arm 4302 and the second reaction force arm 4303 abut against the inner wall of the through slot 3401 , thereby preventing the first reaction force arm 4302 and the second reaction force arm 4303 from being damaged.

[0102] In some embodiments, the testing device includes a display module and a controller; the controller is electrically connected to the display module and the sensing element 50 respectively; wherein the controller can receive the sensing electrical signal and transmit it to the display module so that the display module can display the current torque of the wrench assembly.

[0103] By setting up a controller and a display module, the display module can display the current torque of the wrench assembly in real time, realizing full digital monitoring of the torque during the test, thereby further improving the accuracy of the test.

[0104] It should be noted that the controller can process the sensed electrical signals, such as noise reduction and amplification. At the same time, the controller can also generate a test curve to record the current torque detected by the wrench assembly in real time, and display the test curve on the display module, so as to facilitate users to monitor the torque, understand the changes in torque, and further improve the detection accuracy.

[0105] For example, when the test piece is a plug valve, the plug valve is clamped by the clamping assembly 20, and the position of the wrench assembly is adjusted by the driving assembly 30 to align the drive shaft 440 with the plug knob of the plug valve. The drive shaft 440 cooperates with the plug knob, and the hydraulic torque wrench drives the drive shaft 440 to rotate under the action of the hydraulic pressure to open the plug knob. The sensing component 50 collects the torque when the hydraulic torque wrench opens the plug knob and generates a sensing electrical signal. The controller receives the sensing electrical signal, thereby measuring the opening torque of the plug knob of the plug valve.

[0106] At least one embodiment of the present invention further provides a testing method, comprising:

[0107] The test piece 60 is placed on the support 10, and the test piece 60 is clamped by the clamping assembly 20;

[0108] Move the wrench assembly 40 by the driving assembly 30 so that the wrench assembly 40 is aligned with the target portion 610 on the test piece 60;

[0109] Opening the target portion 610 of the test piece 60 under the action of hydraulic pressure by the wrench assembly 40;

[0110] The torque of the wrench assembly 40 is sensed by the sensing member 50 and a corresponding sensing electrical signal is generated.

[0111] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more. In the description of the present invention, the first feature "above" or "below" the second feature may include the first and second features being in direct contact, or the first and second features not being in direct contact but being in contact through another feature between them.

[0112] In the description of the present invention, “on”, “over” and “above” a first feature from a second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.

[0113] In the description of the present invention, 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, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0114] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0115] Although the present invention has been described with reference to preferred embodiments, various modifications may be made thereto and parts thereof may be replaced by equivalents without departing from the scope of the present invention. In particular, the various technical features mentioned in the various embodiments may be combined in any manner as long as there are no structural conflicts. The present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.

Claims

1. A testing device, characterized in that: include: Supports; A clamping assembly, disposed on the support member, and used for clamping the piece to be tested; A driving assembly, disposed on the supporting member; A wrench assembly, disposed on the driving assembly, the wrench assembly being capable of opening the target portion of the test piece under hydraulic pressure; as well as A sensing member, used for sensing the torque of the wrench assembly and generating a corresponding sensing electrical signal; The driving assembly can drive the wrench assembly to move so that the wrench assembly is aligned with the target portion of the test piece.

2. The testing device according to claim 1, characterized in that: The clamping assembly comprises: A fixing part, arranged on the supporting member; a clamping driving part, disposed on the supporting member; and A translation part, movably disposed on the support member; The clamping driving part can drive the translation part to move, so that the translation part approaches or moves away from the fixing part, so as to clamp or release the test piece.

3. The testing device according to claim 2, characterized in that: The fixing part includes a fixing member and a plurality of first limiting members, wherein the fixing member is arranged on the supporting member, and the plurality of first limiting members are arranged on the fixing member, and the plurality of first limiting members are arranged at intervals along a height direction; The translation part includes a translation member and a plurality of second position-limiting members, the translation member is movably disposed on the support member, the plurality of second position-limiting members are disposed on the translation member, and the plurality of second position-limiting members are spaced apart along the height direction; The first limiting member is provided with a first limiting groove, and the second limiting member is provided with a second limiting groove. Both the first limiting groove and the second limiting groove are used for contacting with the to-be-tested member.

4. The testing device according to claim 1, characterized in that: The drive assembly comprises: A first adjusting portion, disposed on the supporting member; A second adjusting portion, movably disposed on the first adjusting portion, wherein the first adjusting portion can drive the second adjusting portion to move along a first direction; A third adjusting portion is movably disposed on the second adjusting portion, and the second adjusting portion can drive the third adjusting portion to move in a height direction; and A driving seat, movably disposed on the third adjusting portion, wherein the third adjusting portion can drive the driving seat to move along the second direction; Wherein, the wrench assembly is arranged on the driving seat, and the first direction and the second direction are perpendicular to the height direction, so that the wrench assembly is aligned with the target part of the test piece.

5. The testing device according to claim 4, characterized in that: The wrench assembly comprises: A housing is provided with a cavity; A hydraulic torque wrench is disposed in the cavity; A lever arm structure, located at one side of the housing, wherein the lever arm structure is disposed on the driving seat; and A drive shaft, disposed on the hydraulic torque wrench and passing through the lever structure, the drive shaft being capable of cooperating with a target portion of the test piece; Wherein, the hydraulic torque wrench can drive the driving shaft to rotate so as to open the target portion of the test piece.

6. The testing device according to claim 5, characterized in that: The sensing element is at least partially located in the arm structure, the sensing element is connected to the housing and the arm structure respectively, and the sensing element is used to sense the torque of the hydraulic torque wrench and generate a corresponding sensing electrical signal; Wherein, the driving shaft passes through the sensing component and is connected to the sensing component.

7. The testing device according to claim 6, characterized in that: The lever arm structure comprises: A main body, a side of which is close to the shell and is provided with a slot for accommodating the sensor; A first reaction force arm is disposed on a side of the main body away from the housing; and A second reaction force arm is arranged on a side of the main body away from the shell; Wherein, the driving shaft is located between the first reaction force arm and the second reaction force arm.

8. The testing device according to claim 7, characterized in that: The upper end surface of the first reaction force arm and the lower end surface of the second reaction force arm are both provided with a protective plate, or the lower end surface of the first reaction force arm and the upper end surface of the second reaction force arm are both provided with a protective plate; Wherein, a through slot is provided on the driving seat, the first reaction force arm and the second reaction force arm are both provided in the through slot, the protective plate abuts against the inner wall of the through slot, and the driving shaft passes through the through slot.

9. The testing device according to claim 7, characterized in that: The testing device comprises: display module; and A controller, electrically connected to the display module and the sensing element respectively; The controller is capable of receiving the sensing electrical signal and transmitting it to the display module, so that the display module can display the current torque of the wrench assembly.

10. A testing method, characterized in that: include: Placing the test piece on the support and clamping the test piece by a clamping assembly; Move the wrench assembly by the driving assembly so that the wrench assembly is aligned with the target portion on the test piece; Opening the target portion of the test piece under the action of hydraulic pressure by the wrench assembly; The torque of the wrench assembly is sensed by a sensing element, and a corresponding sensing electrical signal is generated.

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