A torque calibration test bench for a coupling and a method of using the same

Abstract

The present invention is applicable to the technical field of automobiles driven by new energy sources such as plug-in hybrid drive, pure electric drive and fuel cell drive, and provides a torque calibration test bench for a coupling, including a pedestal, the bottom of the pedestal is fixedly connected to a support frame, one side of the top of the pedestal is fixedly connected to a first support, the other side of the top of the pedestal is fixedly connected to a second support, and a torque input shaft is rotatably arranged in the middle of the first support. The present invention arranges a horizontal adjustment component, and when the second knob is rotated, the lateral position and longitudinal position of the movable plate can be adjusted respectively by adjusting the position of the positioning ring, and then the output torque of the coupling in different position states can be measured. Because the distance between the second knob and the positioning ring is close, the lateral movement and longitudinal movement states of the movable plate can be quickly switched by sliding the positioning ring, so that the horizontal position of the movable plate can be adjusted more conveniently.

Description

Technical Field

[0001] The present invention belongs to the technical field of automobiles driven by new energy sources such as plug-in hybrid drive, pure electric drive and fuel cell drive, and in particular relates to a torque calibration test bench for a coupling and a use method thereof. Background Art

[0002] A coupling is a device that connects two shafts or a shaft and a rotating part, and rotates together during the transmission of motion and power, and does not disengage under normal circumstances. Sometimes it is also used as a safety device to prevent the connected parts from being subjected to excessive loads, and plays a role in overload protection. When the transmission torque of the automobile generator exceeds its limit, the torque limiter on the coupling slips to protect it from damage. The slip torque of the automobile coupling needs to be calibrated during development and delivery to meet the requirements of stable operation of the automobile output system.

[0003] The Chinese invention patent with publication number CN101726377A discloses a test bench and method for a wind turbine coupling. The test bench includes a base on which a pair of left and right supports for mounting the coupling are arranged. The left support is a bearing seat with a torque input shaft in the seat. One end of the shaft has a flange for docking with the input section of the coupling. The right support consists of a torque sensor and a support plate. The support plate is arranged on the base, and the torque sensor is fixed on the support plate. The torque sensor docks with the output section of the coupling. The right support is equipped with axial, radial and angular displacement adjustment structures. A driving device is arranged on the base, connected to the torque input shaft of the left support, and drives the shaft to rotate. The torque input shaft is equipped with an angle sensor for measuring the angular displacement of the shaft. A display is used to display the set parameters and measurement parameters of the test. It can perform slip torque calibration and maximum load test on wind power couplings.

[0004] However, the above patent has the following shortcomings:

[0005] 1. The above patent uses a set of axially arranged axial adjusting screws to drive the axial movement of the support plate to simulate the axial relative displacement of the input section and the output section when the coupling is working; a set of radially arranged radial adjusting screws is used to drive the radial movement of the support plate by adjusting the lateral position of the driving support plate, so as to cause horizontal misalignment of the input section and the output section of the coupling, thereby simulating the radial relative displacement of the input section and the output section when the coupling is working. However, the above patent requires adjusting the lateral and longitudinal positions of the driving support plate by a set of axially arranged axial adjusting screws and a set of radially arranged radial adjusting screws respectively, which is inconvenient for the tester to use, and neither the axial adjusting screw nor the radial adjusting screw is provided with a locking structure. Therefore, after the adjustment of the driving support plate is completed, the driving support plate will also shift during the test due to the vibration generated by the test.

[0006] 2. The above patent uses pads of different angles to place between the T-shaped floor-standing workbench and the support plate to tilt the support plate axially, thereby forming a relative angular displacement of the left support and the right support, thereby simulating the relative angular displacement of the input section and the output section when the coupling is working. However, the above patent needs to prepare multiple pads of different angles before testing, which may result in the loss of pads before testing. In addition, adding multiple pads is inconvenient for the tester to use, thereby reducing the testing efficiency of the device, and it is not convenient to perform stepless adjustment of the relative angle of the left support and the right support. Summary of the invention

[0007] The present invention provides a torque calibration test bench for a coupling and a method for using the same, aiming to solve the problem that the above-mentioned patent mentioned in the above-mentioned background technology needs to adjust the lateral and longitudinal positions of a driving support plate respectively through a set of axially arranged axial adjustment screws and a set of radially arranged radial adjustment screws, which is inconvenient for the tester to use, and neither the axial adjustment screw nor the radial adjustment screw is provided with a locking structure. Therefore, after the adjustment of the driving support plate is completed, the driving support plate will also shift during the test due to the vibration generated by the test, and the above-mentioned patent needs to prepare multiple pads with different angles before the test, which may result in the loss of the pads before the test, and the addition of multiple pads is inconvenient for the tester to use, thereby reducing the test efficiency of the device, and it is not convenient to perform stepless adjustment of the relative angles of the left support and the right support.

[0008] The present invention is implemented as follows: a torque calibration test bench for a coupling comprises a pedestal, wherein a support frame is fixedly connected to the bottom of the pedestal, a first support is fixedly connected to one side of the top of the pedestal, and a second support is fixedly connected to the other side of the top of the pedestal, a torque input shaft is rotatably arranged in the middle of the first support, a torque output shaft is rotatably arranged in the middle of the second support, a coupling is fixedly connected between the torque output shaft and the torque input shaft via a flange, a fixing frame is provided on one side of the first support, the bottom of the fixing frame is fixedly connected to the pedestal, a driving motor is fixedly connected to the side wall of the fixing frame, and the end of the output shaft of the driving motor is fixedly connected to the torque output shaft via a torque sensor;

[0009] The top of the support frame is fixedly connected to a mounting frame, a mounting frame is hingedly provided on the side wall of the mounting frame, and an angle adjustment component for adjusting the angle of the mounting frame is provided between the mounting frame and the mounting frame;

[0010] A moving frame is provided inside the installation frame, a moving plate is provided inside the moving frame, and a horizontal adjustment component for adjusting the lateral position and the longitudinal position of the moving plate is provided between the installation frame and the moving frame and between the moving frame and the moving plate;

[0011] A third support is fixedly connected to the top of the movable plate, a universal joint is arranged between the third support and the torque output shaft, one end of the universal joint is fixedly connected to the torque output shaft through a torque limiter, and the other end of the universal joint is rotatably connected to the third support.

[0012] Preferably, the angle adjustment component includes a guide rod and a limiter, the guide rod is arranged at the bottom of the installation frame, the guide rod is inclined, both ends of the guide rod are fixedly connected to the bottom of the installation frame, the number of the guide rods is set to two, the outer circumferences of the two guide rods are slidably provided with guide sleeves, the outer circumferences of the two guide sleeves are hingedly provided with connecting sleeves, and a driving rod is fixedly connected between the two connecting sleeves;

[0013] The bottom of the limiter is fixedly connected to the mounting frame, a first threaded rod is rotatably provided in the middle of the limiter, one end of the first threaded rod is rotatably connected to the side wall of the mounting frame, the other end of the first threaded rod is fixedly connected to a first knob, and the middle of the first threaded rod is threadedly connected to the driving rod;

[0014] By rotating the first threaded rod through the first knob, the driving rod threadably connected thereto can be driven to move around its periphery. At the same time, the two ends of the driving rod will respectively drive the two guide sleeves to slide around the peripheries of the two guide rods through the two connecting sleeves. Since the two guide rods are arranged obliquely, the heights of the two ends of the guide rods are different. Therefore, when the two guide sleeves move horizontally, the two guide rods will lift up or pull down the installation frame according to the moving directions of the two guide sleeves, so that the installation frame deflects with the hinge shaft as the axis, and the angles of the movable plate and the third support can be adjusted.

[0015] The rotation direction of the first threaded rod can be adjusted by controlling the rotation direction of the first knob, thereby adjusting the movement directions of the drive rod and the two connecting sleeves and the guide sleeve.

[0016] Preferably, the horizontal adjustment component includes a transverse adjustment structure for adjusting the transverse position of the movable frame, a longitudinal adjustment structure for adjusting the longitudinal position of the movable plate, and a driving structure for driving the transverse adjustment structure and the longitudinal adjustment structure respectively, and a self-locking structure for automatically locking the transverse adjustment structure and the longitudinal adjustment structure is also arranged between the driving structure and the transverse adjustment structure and the longitudinal adjustment structure.

[0017] Preferably, the lateral adjustment structure comprises a first limiting rod, a fixed rack and a connecting frame, the first limiting rod is arranged on the inner side of the installation frame, both ends of the first limiting rod are fixedly connected to the inner wall of the installation frame, the number of the first limiting rods is set to two, the outer circumferences of the two first limiting rods are slidably provided with first limiting sleeves, and the tops of the two first limiting sleeves are fixedly connected to the moving frame;

[0018] The bottom of the fixed rack is fixedly connected to the inner wall of the installation frame, the side wall of the connecting frame is fixedly connected to the surface of the movable frame, a through groove is opened in the middle of the connecting frame, a rotating rod is penetrated by the side wall of the connecting frame, a second knob is fixedly connected to the end of the rotating rod, a first clutch ring is rotatably arranged on the outer periphery of the rotating rod, a driving gear ring is fixedly connected to the outer periphery of the first clutch ring, and the outer periphery of the driving gear ring is meshed with the fixed rack;

[0019] The moving frame can move laterally along the axis direction of the two first limiting rods through the two first limiting sleeves at the bottom;

[0020] By rotating the first clutch ring, the driving gear ring can be driven to rotate, and because the driving gear ring is meshed with the fixed rack, the driving gear ring rotates relative to the fixed rack and also moves horizontally. At the same time, the driving gear ring will drive the connecting frame and the moving frame to move horizontally through the first clutch ring and the rotating rod, thereby adjusting the lateral position of the moving plate and the third support. The direction of the lateral movement of the connecting frame can be controlled by controlling the rotation direction of the first clutch ring.

[0021] Preferably, the longitudinal adjustment structure includes a second limiting rod and a second threaded rod, the second limiting rod is arranged on the inner side of the moving frame, both ends of the second limiting rod are fixedly connected to the inner wall of the moving frame, the number of the second limiting rods is set to two, the outer circumferences of the two second limiting rods are slidably provided with second limiting sleeves, and the tops of the two second limiting sleeves are fixedly connected to the moving plate;

[0022] The middle portion of the second threaded rod passes through the side wall of the moving frame, the second threaded rod is rotatably connected to the moving frame, the middle portion of the second threaded rod is threadedly connected to a driving sleeve, the top of the driving sleeve is fixedly connected to the moving plate, and the outer periphery of the end of the second threaded rod is fixedly connected to a second clutch ring;

[0023] The movable plate can move longitudinally along the axis direction of the two second limiting rods through the two second limiting sleeves at the bottom;

[0024] By rotating the second clutch ring, the second threaded rod can be driven to rotate, and then the drive sleeve and the movable plate threadedly connected thereto can be driven to move longitudinally. By controlling the rotation direction of the second clutch ring, the rotation direction of the second threaded rod can be controlled, and then the longitudinal movement direction of the drive sleeve and the movable plate can be controlled.

[0025] Preferably, the driving structure comprises a slide groove, a positioning rod, a first driven engaging gear ring and a second driven engaging gear ring, the number of the slide grooves is set to two, and the two slide grooves are both opened on the outer periphery of the rotating rod;

[0026] The positioning rod is arranged at the top of the connecting frame, both ends of the positioning rod are fixedly connected with connecting pieces, the bottoms of the two connecting pieces are fixedly connected to the connecting frame, a positioning ring is slidably arranged on the outer periphery of the positioning rod, a fixing bolt is threadedly connected to the top of the positioning ring, and the bottom of the positioning ring is fixedly connected to a first extension rod, a through-groove is arranged through the middle part of the first extension rod, a limiting ring is fixedly connected to the bottom of the first extension rod, a driving ring is rotatably arranged on the inner periphery of the limiting ring, and the driving ring is sleeved on the outer periphery of the rotating rod, and two sliding blocks are fixedly connected to the inner periphery of the driving ring, and the two sliding blocks are slidably connected to the two sliding grooves respectively;

[0027] One end of the driving ring is fixedly connected with a first active engaging toothed ring, and the other end of the driving ring is fixedly connected with a second active engaging toothed ring, the first active engaging toothed ring corresponds to the first driven engaging toothed ring, and the second active engaging toothed ring corresponds to the second driven engaging toothed ring;

[0028] The fixing bolt is pulled to move the positioning ring on the outer periphery of the positioning rod toward the first clutch ring, and the first extension rod at the bottom of the positioning ring can be used to drive the limiting ring and the driving ring to move on the outer periphery of the rotating rod and fit with the first clutch ring, so that the first active engaging toothed ring on the side wall of the driving ring is engaged with the first driven engaging toothed ring on the side wall of the first clutch ring. At this time, the rotating rod can be driven to rotate by rotating the second knob, and the rotating rod will drive the two sliders and the driving ring to rotate through the two sliding grooves on the outer periphery, and then drive the first driven engaging toothed ring and the first clutch ring to rotate through the first active engaging toothed ring.

[0029] By pulling the fixing bolt, the positioning ring is moved on the outer periphery of the positioning rod toward the second clutch ring, and the first extension rod at the bottom of the positioning ring can be used to drive the limiting ring and the driving ring to move on the outer periphery of the rotating rod and fit into the second clutch ring, so that the second active engaging tooth ring on the side wall of the driving ring is engaged with the second driven engaging tooth ring on the side wall of the second clutch ring. At this time, the rotating rod can be driven to rotate by rotating the second knob, and the rotating rod will drive the two sliders and the driving ring to rotate through the two sliding grooves on the outer periphery, and then drive the second driven engaging tooth ring and the second clutch ring to rotate through the second active engaging tooth ring.

[0030] Preferably, the self-locking structure comprises a first driven self-locking toothed ring, a second driven self-locking toothed ring, a first moving ring and a second moving ring, the side wall of the first driven self-locking toothed ring is fixedly connected to an end of the first clutch ring away from the first driven engaging toothed ring, and the side wall of the second driven self-locking toothed ring is fixedly connected to an end of the second clutch ring away from the second driven engaging toothed ring;

[0031] The first movable ring is slidably arranged on the outer periphery of the positioning rod, a first return spring is arranged on one side of the first movable ring, one end of the first return spring abuts against the adjacent connecting piece, and the other end of the first return spring abuts against the first movable ring, a second extension rod is fixedly connected to the bottom of the first movable ring, a first active self-locking toothed ring is fixedly connected to the end of the second extension rod, and the first active self-locking toothed ring is movably connected to the rotating rod;

[0032] The second movable ring is slidably arranged on the outer periphery of the positioning rod, a second return spring is arranged on one side of the second movable ring, one end of the second return spring abuts against the adjacent connecting piece, and the other end of the second return spring abuts against the second movable ring, a third extension rod is fixedly connected to the bottom of the second movable ring, a second active self-locking toothed ring is fixedly connected to the end of the third extension rod, and the second active self-locking toothed ring is movably connected to the second threaded rod;

[0033] The first active self-locking gear ring corresponds to the first driven self-locking gear ring, and the second active self-locking gear ring corresponds to the second driven self-locking gear ring;

[0034] When the first clutch ring is engaged, the first self-locking toothed ring is engaged with the first self-locking toothed ring on the first clutch ring side wall, thereby preventing the first self-locking toothed ring from being disengaged and causing the first clutch ring to be locked.

[0035] By pulling the fixing bolt to move the positioning ring on the outer periphery of the positioning rod toward the second clutch ring, the positioning ring will squeeze the second moving ring, thereby driving the second moving ring to move on the outer periphery of the positioning rod. At this time, the end of the second moving ring will squeeze and compress the second return spring. At the same time, the second moving ring will drive the second active self-locking gear ring and the second driven self-locking gear ring on the side wall of the second clutch ring to separate through the third extension rod, thereby not affecting the rotation of the second clutch ring. However, when the positioning ring is reset, the second return spring will drive the second active self-locking gear ring to reset, thereby making the second active self-locking gear ring and the second driven self-locking gear ring on the side wall of the second clutch ring clamped, and then automatically locking the second clutch ring, thereby avoiding displacement after longitudinal movement.

[0036] The present invention also provides a method for using a torque calibration test bench for a coupling, comprising the following steps:

[0037] S1. Adjust the angle adjustment component and the horizontal adjustment component so that the third support is coaxially distributed with the first support and the second support, and then fix the two ends of the coupling to the torque input shaft and the torque output shaft respectively through the flange, and fix the two ends of the universal joint to the torque output shaft and the third support respectively, and tighten each fastening bolt at the input and output ends of the machine coupling with a torque wrench according to the specified tightening torque, so as to fix the coupling on the pedestal.

[0038] S2. Start the drive motor and adjust the torque to a hydraulic pressure greater than the slip torque of the torque limiter; adjust the rotation direction of the output shaft of the drive motor and detect the magnitude of the torque through the torque sensor; thereby, the torque loaded on the coupling by the drive motor can be detected.

[0039] S3. The placement angle of the third support is adjusted by adjusting the angle adjustment component, and the horizontal position of the third support is adjusted by the horizontal adjustment component. During the loading process, when the torque limiter slips, the torque detected by the torque sensor during slipping is recorded and detected, and the torque is the slipping torque of the wind turbine coupling.

[0040] Compared with the prior art, the beneficial effects of the present invention are as follows: a torque calibration test bench for a coupling and a method for using the same:

[0041] 1. By setting a horizontal adjustment component, when the second knob is rotated, the lateral position and longitudinal position of the movable plate can be adjusted respectively by adjusting the position of the positioning ring, and then the output torque of the coupling in different position states can be measured. Because the distance between the second knob and the positioning ring is close, the lateral movement and longitudinal movement states of the movable plate can be quickly switched by sliding the positioning ring, so that it is more convenient to adjust the horizontal position of the movable plate, and when the positioning ring is at the center position of the positioning rod, the lateral position and longitudinal position of the movable plate can be automatically locked, so as to avoid the position of the movable plate from shifting after adjustment, and there is no need to manually lock the movable plate, so that the operation of the device is more convenient.

[0042] 2. By setting the angle adjustment component, the two guide sleeves can be driven to move horizontally by rotating the first knob, and according to the moving direction of the two guide sleeves, the two guide rods will lift up or pull down the mounting frame, so that the mounting frame deflects with the hinge axis as the axis, and then the angle of the movable plate and the third support can be adjusted. Compared with the comparative patent, there is no need to add pads to the test bench to change the output angle of the coupling, which makes the use of the device more convenient and allows the output angle of the coupling to be infinitely adjusted. BRIEF DESCRIPTION OF THE DRAWINGS

[0043] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0044] Figure 2 It is a schematic diagram of the angle adjustment component of the present invention;

[0045] Figure 3 It is an exploded schematic diagram of the horizontal adjustment component of the present invention;

[0046] Figure 4 It is a partial cross-sectional view of the driving structure of the present invention;

[0047] Figure 5 It is a schematic diagram of the drive ring structure of the present invention;

[0048] Figure 6 For the present invention Figure 4 A-section structure enlarged view.

[0049] In the figure:

[0050] 1. Base; 11. Support frame; 12. First support; 13. Second support; 14. Torque input shaft; 15. Torque output shaft; 16. Coupling; 17. Fixed frame; 18. Driving motor; 19. Mounting frame; 110. Mounting frame; 111. Moving frame; 112. Moving plate; 113. Third support; 114. Universal joint; 115. Torque limiter; 116. Torque sensor;

[0051] 2. Angle adjustment component; 21. Guide rod; 22. Limiting member; 23. Guide sleeve; 24. Connecting sleeve; 25. First threaded rod; 26. First knob;

[0052] 3. Horizontal adjustment components;

[0053] 31. lateral adjustment structure; 311. first limiting rod; 312. fixed rack; 313. connecting frame; 314. first limiting sleeve; 315. through slot; 316. rotating rod; 317. second knob; 318. first clutch ring; 319. driving gear ring;

[0054] 32. longitudinal adjustment structure; 321. second limiting rod; 322. second threaded rod; 323. second limiting sleeve; 324. driving sleeve; 325. second clutch ring;

[0055] 33. driving structure; 331. slideway; 332. positioning rod; 333. first driven engaging toothed ring; 334. second driven engaging toothed ring; 335. connecting piece; 336. positioning ring; 337. fixing bolt; 338. first extension rod; 339. limiting ring; 3310. driving ring; 3311. sliding block; 3312. first active engaging toothed ring; 3313. second active engaging toothed ring;

[0056] 34. Self-locking structure; 341. First driven self-locking toothed ring; 342. Second driven self-locking toothed ring; 343. First moving ring; 344. Second moving ring; 345. First return spring; 346. Second extension rod; 347. First active self-locking toothed ring; 348. Second return spring; 349. Third extension rod; 3410. Second active self-locking toothed ring. DETAILED DESCRIPTION

[0057] The technical solution of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0058] The components of the embodiments of the present invention generally described and shown in the drawings herein may be arranged and designed in various different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention.

[0059] Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present invention.

[0060] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0061] 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.

[0062] See also Figure 1-6The present invention provides a technical solution: a torque calibration test bench for a coupling, comprising a pedestal 1, a support frame 11 is fixedly connected to the bottom of the pedestal 1, a first support 12 is fixedly connected to one side of the top of the pedestal 1, a second support 13 is fixedly connected to the other side of the top of the pedestal 1, a torque input shaft 14 is rotatably arranged in the middle of the first support 12, a torque output shaft 15 is rotatably arranged in the middle of the second support 13, a coupling 16 is fixedly connected between the torque output shaft 15 and the torque input shaft 14 through a flange, a fixing frame 17 is provided on one side of the first support 12, the bottom of the fixing frame 17 is fixedly connected to the pedestal 1, a driving motor 18 is fixedly connected to the side wall of the fixing frame 17, and the end of the output shaft of the driving motor 18 is fixedly connected to the torque output shaft 15 through a torque sensor 116;

[0063] The top of the support frame 11 is fixedly connected with a mounting frame 19, and a mounting frame 110 is hingedly provided on the side wall of the mounting frame 19. An angle adjustment component 2 for adjusting the angle of the mounting frame 110 is provided between the mounting frame 110 and the mounting frame 19;

[0064] A moving frame 111 is provided inside the installation frame 110, a moving plate 112 is provided inside the moving frame 111, and a horizontal adjustment component 3 for adjusting the lateral position and the longitudinal position of the moving plate 112 is provided between the installation frame 110 and the moving frame 111 and between the moving frame 111 and the moving plate 112;

[0065] A third support 113 is fixedly connected to the top of the movable plate 112 , a universal joint 114 is provided between the third support 113 and the torque output shaft 15 , one end of the universal joint 114 is fixedly connected to the torque output shaft 15 via a torque limiter 115 , and the other end of the universal joint 114 is rotatably connected to the third support 113 .

[0066] Further, the angle adjustment component 2 includes a guide rod 21 and a limiter 22. The guide rod 21 is arranged at the bottom of the installation frame 110. The guide rod 21 is inclined. Both ends of the guide rod 21 are fixedly connected to the bottom of the installation frame 110. The number of guide rods 21 is set to two. Guide sleeves 23 are slidably arranged on the outer periphery of the two guide rods 21. Connecting sleeves 24 are hingedly arranged on the outer periphery of the two guide sleeves 23. A driving rod is fixedly connected between the two connecting sleeves 24.

[0067] The bottom of the limit member 22 is fixedly connected to the mounting frame 19, and a first threaded rod 25 is rotatably provided in the middle of the limit member 22. One end of the first threaded rod 25 is rotatably connected to the side wall of the mounting frame 19, and the other end of the first threaded rod 25 is fixedly connected to a first knob 26. The middle part of the first threaded rod 25 is threadedly connected to the driving rod.

[0068] Furthermore, the horizontal adjustment component 3 includes a transverse adjustment structure 31 for adjusting the transverse position of the movable frame 111, a longitudinal adjustment structure 32 for adjusting the longitudinal position of the movable plate 112, and a driving structure 33 for driving the transverse adjustment structure 31 and the longitudinal adjustment structure 32 respectively. A self-locking structure 34 for automatically locking the transverse adjustment structure 31 and the longitudinal adjustment structure 32 is also arranged between the driving structure 33 and the transverse adjustment structure 31 and the longitudinal adjustment structure 32.

[0069] Further, the lateral adjustment structure 31 includes a first limiting rod 311, a fixed rack 312 and a connecting frame 313. The first limiting rod 311 is arranged inside the installation frame 110. Both ends of the first limiting rod 311 are fixedly connected to the inner wall of the installation frame 110. The number of the first limiting rods 311 is set to two. The outer peripheries of the two first limiting rods 311 are slidably provided with first limiting sleeves 314. The tops of the two first limiting sleeves 314 are fixedly connected to the moving frame 111.

[0070] The bottom of the fixed rack 312 is fixedly connected to the inner wall of the installation frame 110, the side wall of the connecting frame 313 is fixedly connected to the surface of the movable frame 111, a through groove 315 is opened in the middle of the connecting frame 313, a rotating rod 316 is penetrated by the side wall of the connecting frame 313, a second knob 317 is fixedly connected to the end of the rotating rod 316, a first clutch ring 318 is rotatably provided on the outer periphery of the rotating rod 316, a driving gear ring 319 is fixedly connected to the outer periphery of the first clutch ring 318, and the outer periphery of the driving gear ring 319 is meshed with the fixed rack 312.

[0071] Further, the longitudinal adjustment structure 32 includes a second limiting rod 321 and a second threaded rod 322. The second limiting rod 321 is arranged inside the moving frame 111. Both ends of the second limiting rod 321 are fixedly connected to the inner wall of the moving frame 111. The number of the second limiting rods 321 is set to two. The outer circumferences of the two second limiting rods 321 are slidably provided with second limiting sleeves 323. The tops of the two second limiting sleeves 323 are fixedly connected to the moving plate 112.

[0072] The middle part of the second threaded rod 322 passes through the side wall of the moving frame 111, and the second threaded rod 322 is rotatably connected to the moving frame 111. The middle part of the second threaded rod 322 is threadedly connected to a driving sleeve 324, and the top of the driving sleeve 324 is fixedly connected to the moving plate 112. The outer periphery of the end of the second threaded rod 322 is fixedly connected to a second clutch ring 325.

[0073] Furthermore, the driving structure 33 includes a slide groove 331, a positioning rod 332, a first driven engaging toothed ring 333 and a second driven engaging toothed ring 334. The number of the slide grooves 331 is set to two, and the two slide grooves 331 are both opened on the outer periphery of the rotating rod 316;

[0074] The positioning rod 332 is arranged at the top of the connecting frame 313, and both ends of the positioning rod 332 are fixedly connected with connecting pieces 335, and the bottoms of the two connecting pieces 335 are fixedly connected to the connecting frame 313. A positioning ring 336 is slidably arranged on the outer periphery of the positioning rod 332, and a fixing bolt 337 is threadedly connected to the top of the positioning ring 336. A first extension rod 338 is fixedly connected to the bottom of the positioning ring 336. The middle part of the first extension rod 338 passes through the through groove 315, and a limiting ring 339 is fixedly connected to the bottom of the first extension rod 338. A driving ring 3310 is rotatably arranged on the inner periphery of the limiting ring 339. The driving ring 3310 is sleeved on the outer periphery of the rotating rod 316, and two sliders 3311 are fixedly connected to the inner periphery of the driving ring 3310, and the two sliders 3311 are respectively slidably connected to the two slide grooves 331;

[0075] One end of the driving ring 3310 is fixedly connected to a first active engaging gear ring 3312, and the other end of the driving ring 3310 is fixedly connected to a second active engaging gear ring 3313. The first active engaging gear ring 3312 corresponds to the first driven engaging gear ring 333, and the second active engaging gear ring 3313 corresponds to the second driven engaging gear ring 334.

[0076] Furthermore, the self-locking structure 34 includes a first driven self-locking toothed ring 341, a second driven self-locking toothed ring 342, a first moving ring 343 and a second moving ring 344. The side wall of the first driven self-locking toothed ring 341 is fixedly connected to an end of the first clutch ring 318 away from the first driven engaging toothed ring 333, and the side wall of the second driven self-locking toothed ring 342 is fixedly connected to an end of the second clutch ring 325 away from the second driven engaging toothed ring 334.

[0077] The first movable ring 343 is slidably arranged on the outer periphery of the positioning rod 332, and a first return spring 345 is arranged on one side of the first movable ring 343, one end of the first return spring 345 abuts against the adjacent connecting piece 335, and the other end of the first return spring 345 abuts against the first movable ring 343, and a second extension rod 346 is fixedly connected to the bottom of the first movable ring 343, and the second extension ring passes through the through groove 315, and a first active self-locking toothed ring 347 is fixedly connected to the end of the second extension rod 346, and the first active self-locking toothed ring 347 is movably connected to the rotating rod 316;

[0078] The second movable ring 344 is slidably arranged on the outer periphery of the positioning rod 332, and a second return spring 348 is arranged on one side of the second movable ring 344, one end of the second return spring 348 abuts against the adjacent connecting piece 335, and the other end of the second return spring 348 abuts against the second movable ring 344, and a third extension rod 349 is fixedly connected to the bottom of the second movable ring 344, and a second active self-locking toothed ring 3410 is fixedly connected to the end of the third extension rod 349, and the second active self-locking toothed ring 3410 is movably connected to the second threaded rod 322;

[0079] The first active self-locking toothed ring 347 corresponds to the first driven self-locking toothed ring 341 , and the second active self-locking toothed ring 3410 corresponds to the second driven self-locking toothed ring 342 .

[0080] The present invention also provides a method for using a torque calibration test bench for a coupling, comprising the following steps:

[0081] S1. Adjust the angle adjustment component 2 and the horizontal adjustment component 3 so that the third support 113 is coaxially distributed with the first support 12 and the second support 13, and then fix the two ends of the coupling 16 to the torque input shaft 14 and the torque output shaft 15 respectively through flanges, and fix the two ends of the universal joint 114 to the torque output shaft 15 and the third support 113 respectively, and tighten each fastening bolt at the input and output ends of the coupling 16 with a torque wrench according to the specified tightening torque, so as to fix the coupling 16 on the base 1.

[0082] S2. Start the drive motor 18 and adjust the torque to a hydraulic pressure greater than the slip torque of the torque limiter 115; adjust the rotation direction of the output shaft of the drive motor 18 and detect the magnitude of the torque through the torque sensor 116; thereby, the torque loaded by the drive motor 18 on the coupling 16 can be detected.

[0083] S3. The placement angle of the third support 113 is adjusted by adjusting the angle adjustment component 2, and the horizontal position of the third support 113 is adjusted by the horizontal adjustment component 3. During the loading process, when the torque limiter slips, the torque detected by the torque sensor 116 during slipping is recorded and detected, and the torque is the slip torque of the wind turbine coupling 16.

[0084] The working principle and use process of the present invention:

[0085] By rotating the first threaded rod 25 through the first knob 26, the driving rod threadedly connected thereto can be driven to move around its periphery. At the same time, the two ends of the driving rod will respectively drive the two guide sleeves 23 to slide around the peripheries of the two guide rods 21 through the two connecting sleeves 24. Since the two guide rods 21 are tilted, the heights of the two ends of the guide rods 21 are different. Therefore, when the two guide sleeves 23 move horizontally, the two guide sleeves 21 will lift up or pull down the installation frame 110 according to the moving direction of the two guide sleeves 23, so that the installation frame 110 deflects with the hinge axis as the axis, and then the angles of the moving plate 112 and the third support 113 can be adjusted.

[0086] By controlling the rotation direction of the first knob 26, the rotation direction of the first threaded rod 25 can be adjusted, thereby adjusting the movement directions of the driving rod and the two connecting sleeves 24 and the guide sleeve 23;

[0087] By pulling the fixing bolt 337 to move the positioning ring 336 on the outer periphery of the positioning rod 332 toward the first clutch ring 318, the first extension rod 338 at the bottom of the positioning ring 336 can drive the limiting ring 339 and the driving ring 3310 to move on the outer periphery of the rotating rod 316 and fit with the first clutch ring 318, so that the first active engaging toothed ring 3312 on the side wall of the driving ring 3310 is engaged with the first driven engaging toothed ring 333 on the side wall of the first clutch ring 318. At this time, the rotating rod 316 can be driven to rotate by rotating the second knob 317. At the same time, the rotating rod 316 will drive the two sliders 3311 and the driving ring 3310 to rotate through the two sliding grooves 331 on the outer periphery, and then drive the first driven engaging toothed ring 333 and the first clutch ring 318 to rotate through the first active engaging toothed ring 3312.

[0088] At this time, by rotating the first clutch ring 318, the driving gear ring 319 can be driven to rotate. Since the driving gear ring 319 is meshed and connected with the fixed rack 312, the driving gear ring 319 rotates relative to the fixed rack 312 and moves horizontally. At the same time, the driving gear ring 319 drives the connecting frame 313 and the moving frame 111 to move horizontally through the first clutch ring 318 and the rotating rod 316, thereby adjusting the horizontal positions of the moving plate 112 and the third support 113. The direction of the horizontal movement of the connecting frame 313 can be controlled by controlling the rotation direction of the first clutch ring 318.

[0089] The fixing bolt 337 is pulled to move the positioning ring 336 on the outer periphery of the positioning rod 332 toward the second clutch ring 325. The first extension rod 338 at the bottom of the positioning ring 336 can drive the limiting ring 339 and the driving ring 3310 to move on the outer periphery of the rotating rod 316 and fit the second clutch ring 325, so that the second active engaging toothed ring 3313 on the side wall of the driving ring 3310 is engaged with the second driven engaging toothed ring 334 on the side wall of the second clutch ring 325. At this time, the rotating rod 316 can be driven to rotate by rotating the second knob 317. At the same time, the rotating rod 316 will drive the two sliders 3311 and the driving ring 3310 to rotate through the two sliding grooves 331 on the outer periphery, and then drive the second driven engaging toothed ring 334 and the second clutch ring 325 to rotate through the second active engaging toothed ring 3313.

[0090] By rotating the second clutch ring 325, the second threaded rod 322 can be driven to rotate, and then the drive sleeve 324 and the movable plate 112 threadedly connected thereto can be driven to move longitudinally. By controlling the rotation direction of the second clutch ring 325, the rotation direction of the second threaded rod 322 can be controlled, and then the longitudinal movement direction of the drive sleeve 324 and the movable plate 112 can be controlled.

[0091] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A torque calibration test bench for a coupling, comprising a base (1), characterized in that: The bottom of the pedestal (1) is fixedly connected to a support frame (11); one side of the top of the pedestal (1) is fixedly connected to a first support (12); the other side of the top of the pedestal (1) is fixedly connected to a second support (13); a torque input shaft (14) is rotatably provided in the middle of the first support (12); a torque output shaft (15) is rotatably provided in the middle of the second support (13); a coupling (16) is fixedly connected between the torque output shaft (15) and the torque input shaft (14) via a flange; a fixing frame (17) is provided on one side of the first support (12); the bottom of the fixing frame (17) is fixedly connected to the pedestal (1); a driving motor (18) is fixedly connected to the side wall of the fixing frame (17); and an output shaft end of the driving motor (18) is fixedly connected to the torque output shaft (15) via a torque sensor (116); The top of the support frame (11) is fixedly connected to a mounting frame (19); a mounting frame (110) is hingedly provided on a side wall of the mounting frame (19); an angle adjustment component (2) for adjusting the angle of the mounting frame (110) is provided between the mounting frame (110) and the mounting frame (19); A moving frame (111) is provided inside the installation frame (110), a moving plate (112) is provided inside the moving frame (111), and a horizontal adjustment component (3) for adjusting the horizontal position and the vertical position of the moving plate (112) is provided between the installation frame (110) and the moving frame (111) and between the moving frame (111) and the moving plate (112); A third support (113) is fixedly connected to the top of the movable plate (112); a universal joint (114) is provided between the third support (113) and the torque output shaft (15); one end of the universal joint (114) is fixedly connected to the torque output shaft (15) via a torque limiter (115); and the other end of the universal joint (114) is rotatably connected to the third support (113); The angle adjustment component (2) includes a guide rod (21) and a stopper (22); the guide rod (21) is arranged at the bottom of the installation frame (110); the guide rod (21) is arranged obliquely; both ends of the guide rod (21) are fixedly connected to the bottom of the installation frame (110); the number of the guide rods (21) is two; guide sleeves (23) are slidably arranged on the outer circumference of the two guide rods (21); connecting sleeves (24) are hingedly arranged on the outer circumference of the two guide sleeves (23); and a driving rod is fixedly connected between the two connecting sleeves (24); The bottom of the limiting member (22) is fixedly connected to the mounting frame (19); a first threaded rod (25) is rotatably provided in the middle of the limiting member (22); one end of the first threaded rod (25) is rotatably connected to the side wall of the mounting frame (19); the other end of the first threaded rod (25) is fixedly connected to a first knob (26); and the middle of the first threaded rod (25) is threadedly connected to the driving rod.

2. A torque calibration test bench for a coupling as claimed in claim 1, characterized in that: The horizontal adjustment component (3) comprises a lateral adjustment structure (31) for adjusting the lateral position of the moving frame (111), a longitudinal adjustment structure (32) for adjusting the longitudinal position of the moving plate (112), and a driving structure (33) for driving the lateral adjustment structure (31) and the longitudinal adjustment structure (32) respectively; a self-locking structure (34) for automatically locking the lateral adjustment structure (31) and the longitudinal adjustment structure (32) is further provided between the driving structure (33) and the lateral adjustment structure (31) and the longitudinal adjustment structure (32).

3. A torque calibration test bench for a coupling as claimed in claim 2, characterized in that: The lateral adjustment structure (31) comprises a first limiting rod (311), a fixed rack (312) and a connecting frame (313); the first limiting rod (311) is arranged inside the installation frame (110); both ends of the first limiting rod (311) are fixedly connected to the inner wall of the installation frame (110); the number of the first limiting rods (311) is set to two; first limiting sleeves (314) are slidably arranged on the outer circumferences of the two first limiting rods (311); and the tops of the two first limiting sleeves (314) are fixedly connected to the moving frame (111); The bottom of the fixed rack (312) is fixedly connected to the inner wall of the installation frame (110), the side wall of the connection frame (313) is fixedly connected to the surface of the movable frame (111), a through groove (315) is provided in the middle of the connection frame (313), a rotating rod (316) is provided through the side wall of the connection frame (313), a second knob (317) is fixedly connected to the end of the rotating rod (316), a first clutch ring (318) is rotatably provided on the outer periphery of the rotating rod (316), a driving gear ring (319) is fixedly connected to the outer periphery of the first clutch ring (318), and the outer periphery of the driving gear ring (319) is meshingly connected to the fixed rack (312).

4. A torque calibration test bench for a coupling as claimed in claim 3, characterized in that: The longitudinal adjustment structure (32) comprises a second limiting rod (321) and a second threaded rod (322); the second limiting rod (321) is arranged inside the moving frame (111); both ends of the second limiting rod (321) are fixedly connected to the inner wall of the moving frame (111); the number of the second limiting rods (321) is set to two; the outer circumferences of the two second limiting rods (321) are slidably provided with second limiting sleeves (323); the tops of the two second limiting sleeves (323) are fixedly connected to the moving plate (112); The middle portion of the second threaded rod (322) passes through the side wall of the moving frame (111), the second threaded rod (322) is rotatably connected to the moving frame (111), the middle portion of the second threaded rod (322) is threadedly connected to a driving sleeve (324), the top of the driving sleeve (324) is fixedly connected to the moving plate (112), and the outer periphery of the end portion of the second threaded rod (322) is fixedly connected to a second clutch ring (325).

5. A torque calibration test bench for a coupling as claimed in claim 3, characterized in that: The driving structure (33) comprises a slide groove (331), a positioning rod (332), a first driven engaging toothed ring (333) and a second driven engaging toothed ring (334); the number of the slide grooves (331) is set to two, and the two slide grooves (331) are both arranged on the outer periphery of the rotating rod (316); The positioning rod (332) is arranged at the top of the connection frame (313), and both ends of the positioning rod (332) are fixedly connected to connecting pieces (335), and the bottoms of the two connecting pieces (335) are fixedly connected to the connection frame (313). A positioning ring (336) is slidably arranged on the outer periphery of the positioning rod (332), and a fixing bolt (337) is threadedly connected to the top of the positioning ring (336). The bottom of the positioning ring (336) is fixedly connected to a first extension rod (338). The middle part of the first extension rod (338) is penetrated by the through groove (315), the bottom of the first extension rod (338) is fixedly connected to a limit ring (339), the inner circumference of the limit ring (339) is rotatably provided with a driving ring (3310), the driving ring (3310) is sleeved on the outer circumference of the rotating rod (316), the inner circumference of the driving ring (3310) is fixedly connected to two sliding blocks (3311), and the two sliding blocks (3311) are slidably connected to the two sliding grooves (331) respectively; One end of the drive ring (3310) is fixedly connected to a first active engaging toothed ring (3312), and the other end of the drive ring (3310) is fixedly connected to a second active engaging toothed ring (3313); the first active engaging toothed ring (3312) corresponds to the first driven engaging toothed ring (333), and the second active engaging toothed ring (3313) corresponds to the second driven engaging toothed ring (334).

6. A torque calibration test bench for a coupling as claimed in claim 5, characterized in that: The self-locking structure (34) comprises a first driven self-locking toothed ring (341), a second driven self-locking toothed ring (342), a first moving ring (343) and a second moving ring (344); the side wall of the first driven self-locking toothed ring (341) is fixedly connected to an end of the first clutch ring (318) away from the first driven engaging toothed ring (333); the side wall of the second driven self-locking toothed ring (342) is fixedly connected to an end of the second clutch ring (325) away from the second driven engaging toothed ring (334); The first movable ring (343) is slidably arranged on the outer periphery of the positioning rod (332); a first return spring (345) is arranged on one side of the first movable ring (343); one end of the first return spring (345) abuts against the adjacent connecting piece (335); the other end of the first return spring (345) abuts against the first movable ring (343); a second extension rod (346) is fixedly connected to the bottom of the first movable ring (343); a first active self-locking toothed ring (347) is fixedly connected to the end of the second extension rod (346); and the first active self-locking toothed ring (347) is movably connected to the rotating rod (316); The second movable ring (344) is slidably arranged on the outer periphery of the positioning rod (332); a second return spring (348) is arranged on one side of the second movable ring (344); one end of the second return spring (348) abuts against the adjacent connecting piece (335); the other end of the second return spring (348) abuts against the second movable ring (344); a third extension rod (349) is fixedly connected to the bottom of the second movable ring (344); a second active self-locking toothed ring (3410) is fixedly connected to the end of the third extension rod (349); and the second active self-locking toothed ring (3410) is movably connected to the second threaded rod (322); The first active self-locking toothed ring (347) corresponds to the first driven self-locking toothed ring (341), and the second active self-locking toothed ring (3410) corresponds to the second driven self-locking toothed ring (342).

7. A method for using a torque calibration test bench for a coupling according to any one of claims 1 to 6, comprising the following steps: S1. Adjust the angle adjustment component (2) and the horizontal adjustment component (3) so that the third support (113) is coaxially distributed with the first support (12) and the second support (13), and then fix the two ends of the coupling (16) to the torque input shaft (14) and the torque output shaft (15) respectively through the flange, and fix the two ends of the universal joint (114) to the torque output shaft (15) and the third support (113) respectively, and tighten each fastening bolt at the input end and the output end of the coupling (16) with a torque wrench according to the specified tightening torque, so as to fix the coupling (16) on the base (1); S2. Start the drive motor (18), adjust the torque to a hydraulic pressure greater than the slip torque of the torque limiter (115); adjust the rotation direction of the output shaft of the drive motor (18), and detect the magnitude of the torque through the torque sensor (116); thereby detecting the torque of the drive motor (18) loaded on the coupling (16); S3. The placement angle of the third support (113) is adjusted by adjusting the angle adjustment component (2), and the horizontal position of the third support (113) is adjusted by the horizontal adjustment component (3). During the loading process, when the torque limiter slips, the torque detected by the torque sensor (116) during the slip is recorded and detected, and the torque is the slip torque of the wind turbine coupling (16).

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