Detection clamp for motor control panel

Abstract

The utility model discloses a detection clamp for a motor control board, and relates to the technical field of motor detection. The detection clamp of the motor control panel comprises a machine body, a first motor fixing mechanism, a second motor fixing mechanism, a first bearing fixing mechanism, a second bearing fixing mechanism and an electrifying contact assembly, and the first motor fixing mechanism and the second motor fixing mechanism movably clamp and fix a motor relatively. The first bearing fixing mechanism and the second bearing fixing mechanism move relative to the machine body. The machine body is provided with a sliding frame in a sliding mode, the electrifying contact assembly is installed on the sliding frame, and a control panel of the motor is detachably arranged on the lower side of a rotor bearing of the motor in a sleeving mode and located in the sliding direction of the electrifying contact assembly. The first bearing fixing mechanism and the second bearing fixing mechanism clamp and fix the bearing, the electrifying contact assembly is electrified to make contact with the control panel, and therefore the control panel conducts electrifying detection, and detection is convenient and accurate.

Description

Technical Field

[0001] This utility model relates to the field of testing technology, and in particular to a testing fixture for a motor control board. Background Technology

[0002] A brushless motor includes a motor control board, a motor body, and a rotatable rotor mechanism. A rotor bearing is mounted on the output shaft of the rotor mechanism. The motor control board is mounted on the motor body and fitted onto the rotor mechanism to detect the rotor mechanism's motion parameters. For example, the motor control board detects the number of rotations, rotation speed, and rotation angle of the rotor mechanism.

[0003] However, the motor control board has a fixed mounting position on the motor body and requires movement testing in conjunction with the rotor mechanism. Existing motor control boards are difficult to test after complete assembly, resulting in high difficulty and low efficiency in full inspection. Utility Model Content

[0004] The purpose of this invention is to provide a testing fixture for motor control boards, which solves the problems of high difficulty and low efficiency in the full inspection of motor control boards.

[0005] To achieve the above objectives, the solution adopted by this utility model is: a testing fixture for a motor control board, comprising a body, a first motor fixing mechanism, a second motor fixing mechanism, a first bearing fixing mechanism, a second bearing fixing mechanism, and an energized contact assembly;

[0006] The first motor fixing mechanism is disposed on one side of the machine body, and the second motor fixing mechanism is movably disposed on the other side of the machine body. The first motor fixing mechanism and the second motor fixing mechanism movably clamp and fix the motor relative to each other.

[0007] The first bearing fixing mechanism and the second bearing fixing mechanism are movable relative to each other in the machine body. The first bearing fixing mechanism is located above the first motor fixing mechanism, and the second bearing fixing mechanism is located above the second motor fixing mechanism. The first bearing fixing mechanism and the second bearing fixing mechanism cooperate to fix the rotor bearing of the motor.

[0008] The machine body is slidably provided with a sliding frame, and the power contact assembly is installed on the sliding frame. The power contact assembly is used to cooperate with the motor control board for power-on testing. The motor control board is detachably sleeved on the underside of the motor rotor bearing and located in the sliding direction of the power contact assembly.

[0009] In this solution, the motor body is fixed by setting a first motor fixing mechanism and a second motor fixing mechanism, and the bearing is clamped and fixed by setting a first bearing fixing mechanism and a second bearing fixing mechanism. The power contact assembly contacts the control board, thereby detecting the control board and realizing automatic detection. Moreover, each control board does not need to be installed and fixed, resulting in high detection efficiency.

[0010] Preferably, the first motor fixing mechanism includes a first motor vertical plate, a first motor horizontal plate, and a first base plate. The first motor vertical plate is provided on one side of the upper end of the machine body. The first motor horizontal plate and the first base plate are provided on the side of the first motor vertical plate close to the second motor fixing mechanism. The first motor horizontal plate is located on the upper side of the first base plate. A first motor semi-circular arc groove is provided on the first motor horizontal plate, and a first semi-circular arc fixing groove is provided on the first base plate.

[0011] In this scheme, a first base plate and a first motor cross plate are set up to initially locate the bottom of the motor and the middle of the motor body, respectively.

[0012] As a further preferred embodiment, the second motor fixing mechanism includes a second motor vertical plate, a second motor horizontal plate, a motor connecting rod assembly, and a second base plate. The second motor vertical plate is provided on the other side of the upper end of the machine body. The second motor horizontal plate and the second base plate are provided on the side of the second motor vertical plate close to the first motor vertical plate. The second motor horizontal plate is located on the upper side of the second base plate. The second motor horizontal plate is provided with a second motor semi-circular arc groove. The second base plate is provided with a second semi-circular arc fixing groove. The motor connecting rod assembly that drives the first motor vertical plate and the first motor horizontal plate to move is provided on the side of the second motor vertical plate away from the first motor vertical plate.

[0013] In this solution, the motor is fixed by setting up a first motor cross plate and a second motor cross plate in combination.

[0014] As a further preferred embodiment, the motor linkage assembly includes a first motor moving rod and a second motor moving rod, the first motor moving rod and the second motor moving rod are hinged together, the first motor moving rod is hinged to the second motor vertical plate, and a positioning plate is provided on the side of the second motor moving rod away from the second motor vertical plate, and the second motor moving rod is connected to the positioning plate.

[0015] In this solution, a first electric moving rod and a second motor moving rod are set up to realize the linkage assembly, which drives the second motor horizontal plate and the second motor vertical plate to move, thereby realizing the fixing and loosening of the motor, which facilitates disassembly and installation.

[0016] As a further preferred embodiment, a sliding block is provided on one side of the second motor vertical plate, a connecting plate is provided on the side of the positioning plate near the second motor vertical plate, and a slide rail is provided on the side of the connecting plate near the second motor vertical plate, and the sliding block can slide along the slide rail.

[0017] In this scheme, the movement direction of the second motor horizontal plate and the second motor vertical plate is limited by setting a sliding block to slide along the slide rail.

[0018] As a further preferred embodiment, the first bearing fixing mechanism includes a first bearing vertical plate and a first bearing horizontal plate. The first bearing vertical plate is movably disposed on the upper side of the first bearing vertical plate, and the first bearing horizontal plate is disposed on the side of the first bearing vertical plate near the second bearing fixing mechanism. A first semi-circular groove is disposed on the first bearing horizontal plate.

[0019] In this design, a first semi-circular groove is provided on the first bearing plate to mate with the outer peripheral wall of the bearing.

[0020] As a further preferred embodiment, the second bearing fixing mechanism includes a second bearing vertical plate and a second bearing horizontal plate. The second bearing vertical plate is movably disposed on the upper side of the second bearing vertical plate, and the second bearing horizontal plate is disposed on the side of the second bearing vertical plate close to the first bearing vertical plate. A second semi-circular groove is disposed on the second bearing horizontal plate.

[0021] In this solution, the bearing can be positioned by setting a movable first bearing plate and a second bearing plate. After the first bearing plate and the second bearing plate move to the predetermined position, the first semi-circular groove and the second semi-circular groove are joined together to form a circular groove, thereby fixing the position of the bearing.

[0022] As a further preferred embodiment, both the first bearing fixing mechanism and the second bearing mechanism further include a first bearing moving rod and a second bearing moving rod, wherein the first bearing moving rod and the second bearing moving rod are hinged together, the first bearing moving rod is hinged to the first bearing vertical plate or the second bearing vertical plate, and the second bearing moving rod is connected to the positioning plate;

[0023] A sliding plate is provided on the side of the first bearing vertical plate and the second bearing vertical plate that are far apart from each other. A guide rail is provided on the sliding plate. A slider is connected to the lower side of the first bearing moving rod. The slider can slide along the guide rail.

[0024] In this solution, by setting a first bearing moving rod and a second bearing moving rod, the movement of the second bearing moving rod can drive the first bearing moving rod to move together, thereby driving the first bearing horizontal plate or the second bearing horizontal plate to move, thus fixing or releasing the bearing; and by setting a sliding plate to move along the guide rail to restrict the movement direction of the first bearing moving rod.

[0025] As a further preferred embodiment, the energized contact assembly includes a contact plate and a moving block. The sliding frame is provided with a moving groove, and the moving block is movably disposed in the moving groove. The contact plate is disposed on the moving block, and a locking moving component is disposed on the moving block. The locking moving component is used to fix or move the moving block.

[0026] In this scheme, the motor is powered and rotated by setting a contact plate to contact the control board. The position of the contact plate is adjusted by setting a moving block to facilitate contact with or away from the control board.

[0027] Preferably, a limit plate is provided on the front side of the body.

[0028] In this solution, the return positions of the first motor moving rod and the first bearing moving rod can be limited by setting a limit plate, thus preventing the motor from being damaged due to excessive movement.

[0029] It should be understood that the above general description and the following detailed description are exemplary and explanatory only, and do not limit the present invention. Attached Figure Description

[0030] The accompanying drawings, which are incorporated in and form part of this specification, illustrate embodiments consistent with the present invention and, together with the description, serve to explain the principles of the present invention.

[0031] Figure 1 This is a schematic diagram of the structure of the detection fixture for the motor control board of this utility model after clamping the motor;

[0032] Figure 2 This is a schematic diagram of the structure of the testing fixture for the motor control board of this utility model;

[0033] Figure 3 This is a schematic diagram of the hidden power-on contact assembly of the detection fixture for the motor control board of this utility model.

[0034] In the diagram: 1. Body; 2. First motor fixing mechanism; 21. First motor vertical plate; 22. First motor horizontal plate; 23. First base plate; 24. First motor semi-circular arc groove; 25. First semi-circular arc fixing groove; 3. Second motor fixing mechanism; 31. Second motor vertical plate; 32. Second motor horizontal plate; 33. Motor connecting rod assembly; 331. First motor moving rod; 332. Second motor moving rod; 333. Sliding block; 334. Connecting plate; 335. Slide rail; 34. Second base plate; 35. Second motor semi-circular arc groove; 36. Second semi-circular arc fixing groove. 37. Arc fixing groove; 4. Positioning plate; 5. First bearing fixing mechanism; 6. First bearing vertical plate; 7. First bearing horizontal plate; 8. First semi-circular arc groove; 9. First bearing moving rod; 10. Second bearing moving rod; 11. Slide plate; 12. Guide rail; 13. Slider; 14. Second bearing vertical plate; 15. Second bearing horizontal plate; 16. Second semi-circular arc groove; 17. Power contact assembly; 18. Contact plate; 19. Moving block; 20. Locking motion assembly; 10. Sliding frame; 11. Moving groove; 22. Limiting plate. Detailed Implementation

[0035] The accompanying drawings are for illustrative purposes only and are schematic diagrams, not actual images. They should not be construed as limiting the scope of this patent. To better illustrate the embodiments of this utility model, some components in the drawings may be omitted, enlarged, or reduced, and do not represent the actual dimensions of the product. It is understandable to those skilled in the art that some well-known structures and their descriptions may be omitted in the drawings.

[0036] like Figures 1 to 3 As shown, this utility model provides a testing fixture for a motor control board. The testing fixture includes a body 1, a first motor fixing mechanism 2, a second motor fixing mechanism 3, a first bearing fixing mechanism 4, a second bearing fixing mechanism 5, and an electrical contact assembly 6.

[0037] The machine body 1 is a rigid frame. A first motor fixing mechanism 2 is provided on one side of the machine body 1, and a second motor fixing mechanism 3 is movably provided on the other side of the machine body 1. The first motor fixing mechanism 2 and the second motor fixing mechanism 3 cooperate to fix the motor. At least one of the first motor fixing mechanism 2 and the second motor fixing mechanism 3 can move to clamp and fix the stator mechanism or the housing part of the motor, thereby locking the motor position.

[0038] The body 1 is movably provided with a first bearing fixing mechanism 4 and a second bearing fixing mechanism 5. At least one of the first bearing fixing mechanism 4 and the second bearing fixing mechanism 5 moves relative to each other. The first bearing fixing mechanism 4 is located above the first motor fixing mechanism 2, and the second bearing fixing mechanism 5 is located above the second motor fixing mechanism 3. The first bearing fixing mechanism 4 and the second bearing fixing mechanism 5 cooperate to fix the rotor bearing of the rotor mechanism.

[0039] A sliding frame 7 is provided on the front side of the machine body 1. The sliding frame 7 is movably provided with an electrical contact assembly 6, which is used to cooperate with the control board of the motor for power-on testing.

[0040] Specifically, in this embodiment, the body 1 is a rectangular base plate. A first motor fixing mechanism 2 and a second motor fixing mechanism 3 are fixedly installed on both sides of the upper end of the body 1, respectively. The first motor fixing mechanism 2 and the second motor fixing mechanism 3 cooperate to fix the motor. A first bearing fixing mechanism 4 and a second bearing fixing mechanism 5 cooperate to fix the bearing. Because the width of the motor body is large and the width of the bearing is small, the first bearing fixing mechanism 4 has a large range of motion. A sliding frame 7 is provided on the front side of the body 1, positioned between the first motor fixing mechanism 2 and the second motor fixing mechanism 3. The motor control board is detachably sleeved on the underside of the motor rotor bearing and located in the sliding direction of the energized contact assembly 6. That is, each motor control board can be sleeved on the rotor mechanism and abut against the stator, forming an approximate assembly and testing structure, facilitating full inspection of the control board.

[0041] A power-on contact assembly 6 is movably mounted on the sliding frame 7. During testing, the contacts of the power-on contact assembly 6 can be engaged with the contacts of the motor control board to supply power and perform power-on detection. After the test is completed, the power-on contact assembly 6 is lifted and returns to its initial position.

[0042] Specifically, in this embodiment, the motor body is fixed by setting the first motor fixing mechanism 2 and the second motor fixing mechanism, and the bearing is clamped and fixed by setting the first bearing fixing mechanism 4 and the second bearing fixing mechanism 5. The power contact assembly 6 contacts the control board, thereby performing a comprehensive power-on test, which makes the test more convenient and the test results more accurate.

[0043] Furthermore, as a preferred embodiment, the first motor fixing mechanism 2 includes a first motor vertical plate 21, a first motor horizontal plate 22, and a first base plate 23. The first motor vertical plate 21 is provided on one side of the upper end of the machine body 1. The first motor horizontal plate 22 and the first base plate 23 are provided on the side of the first motor vertical plate 21 close to the second motor fixing mechanism 3. The first motor horizontal plate 22 is located on the upper side of the first base plate 23. The first motor horizontal plate 22 is provided with a first motor semi-circular arc groove 24, and the first base plate 23 is provided with a first semi-circular arc fixing groove 25.

[0044] Furthermore, as a preferred embodiment, the second motor fixing mechanism 3 includes a second motor vertical plate 31, a second motor horizontal plate 32, a motor connecting rod assembly 33, and a second base plate 34. The second motor vertical plate 31 is provided on the other side of the upper end of the body 1. The second motor horizontal plate 32 and the second base plate 34 are provided on the side of the second motor vertical plate 31 close to the first motor vertical plate 21. The second motor horizontal plate 32 is located on the upper side of the second base plate 34. The second motor horizontal plate 32 is provided with a second motor semi-circular arc groove 35. The second base plate 34 is provided with a second semi-circular arc fixing groove 36. The motor connecting rod assembly 33, which drives the first motor vertical plate 21 and the first motor horizontal plate 22, is provided on the side of the second motor vertical plate 31 away from the first motor vertical plate 21.

[0045] Furthermore, as a preferred embodiment, the motor linkage assembly 33 includes a first motor moving rod 331 and a second motor moving rod 332. The first motor moving rod 331 and the second motor moving rod 332 are hinged together. The first motor moving rod 331 is also hinged to the second motor vertical plate 31. A positioning plate 37 is provided on the side of the second motor moving rod 332 away from the second motor vertical plate 31. The second motor moving rod 332 is connected to the positioning plate 37.

[0046] Furthermore, as a preferred embodiment, a sliding block 333 is provided on one side of the second motor vertical plate 31, a connecting plate 334 is provided on the side of the positioning plate 37 near the second motor vertical plate 31, and a slide rail 335 is provided on the side of the connecting plate 334 near the second motor vertical plate 31, so that the sliding block 333 can slide along the slide rail 335.

[0047] Specifically, in this embodiment, a first motor vertical plate 21 is fixedly installed on the left side of the body 1, and a second motor vertical plate 31 is movably installed on the right side of the body 1. A first motor horizontal plate 22 and a first base plate 23 are installed on the side of the first motor vertical plate 21 near the second motor vertical plate 31, and a second motor horizontal plate 32 and a second base plate 34 are installed on the side of the second motor vertical plate 31 near the first motor vertical plate 21. The first motor horizontal plate 22 and the second motor horizontal plate 32 are respectively located above the first base plate 23 and the second base plate 34. A first motor semi-circular groove 24 is provided on the first motor horizontal plate 22, and the second motor horizontal plate... The first base plate 22 is provided with a second semi-circular arc groove 35. When the motor needs to be fixed, the first semi-circular arc groove 24 and the second semi-circular arc groove 35 are combined to form a motor arc groove, thereby positioning the cylindrical motor. The first base plate 23 is provided with a first semi-circular arc fixing groove 25, and the second base plate 34 is provided with a second semi-circular arc fixing groove 36. When the motor needs to be fixed, the first semi-circular arc fixing groove 25 and the second semi-circular arc fixing groove 36 are combined to form an arc fixing groove, thereby positioning and fixing the bottom of the motor. The second motor vertical plate 31 is provided with a motor connecting rod assembly 33 on the side away from the first motor vertical plate 21. The motor linkage assembly 33 includes a first motor moving rod 331 and a second motor moving rod 332, which are hinged together. The first motor moving rod 331 and the second motor moving rod 332 are also hinged together with the second motor vertical plate 31. Thus, when the second motor moving rod 332 is pulled, the first motor moving rod 331 can drive the second motor vertical plate 31 to move. A positioning plate 37 is connected to the other side of the second motor moving rod 332. A sliding block 333 is provided on one side of the second motor vertical plate 31. A connecting plate 334 is provided on one side of the positioning plate 37, and a slide rail 33 is provided on one side of the connecting plate 334. 5. The sliding block 333 can slide along the slide rail 335. The second motor moving rod 332 is also equipped with a handle. The handle can pull the second motor moving rod 332 to move backward, thereby driving the first motor moving rod 331 to move backward, thereby driving the sliding block 333 to move to the right along the slide rail 335 to open the fixation of the motor. Pushing the handle inward, the second motor moving rod 332 moves forward, thereby causing the first motor moving rod to move to the left, thereby driving the sliding block 333 to move to the left along the slide rail 335, thereby fixing the motor with the first motor horizontal plate 22 and the second motor horizontal plate 32.

[0048] Specifically, in this embodiment, a first base plate 23 and a first motor horizontal plate 22 are used to initially position the bottom of the motor and the middle of the motor body, respectively. The motor is fixed by the cooperation of the first motor horizontal plate 22 and the second motor horizontal plate 32. A linkage assembly is formed by the first electric moving rod and the second motor moving rod 332, which drives the second motor horizontal plate 32 and the second motor vertical plate 31 to move, thereby fixing and loosening the motor, facilitating disassembly and installation. The movement direction of the second motor horizontal plate 32 and the second motor vertical plate 31 is limited by the sliding block 333 sliding along the slide rail 335.

[0049] Furthermore, as a preferred embodiment, the first bearing fixing mechanism 4 includes a first bearing vertical plate 41 and a first bearing horizontal plate 42. The first bearing vertical plate 41 is movably disposed on the upper side of the first motor vertical plate 21, and the first bearing horizontal plate 42 is disposed on the side of the first bearing vertical plate 41 near the second bearing fixing mechanism 5. A first semi-circular arc groove 43 is disposed on the first bearing horizontal plate 42.

[0050] Furthermore, as a preferred embodiment, the second bearing fixing mechanism 5 includes a second bearing vertical plate 51 and a second bearing horizontal plate 52. The second bearing vertical plate 51 is movably disposed on the upper side of the second motor vertical plate 31, and the second bearing horizontal plate 52 is disposed on the side of the second bearing vertical plate 51 close to the first bearing vertical plate 41. A second semi-circular groove 53 is disposed on the second bearing horizontal plate 52.

[0051] Furthermore, as a preferred embodiment, both the first bearing fixing mechanism 4 and the second bearing mechanism further include a first bearing moving rod 44 and a second bearing moving rod 45. The first bearing moving rod 44 and the second bearing moving rod 45 are hinged together. The first bearing moving rod 44 is hinged to the first bearing vertical plate 41 or the second bearing vertical plate 51. The second bearing moving rod 45 is connected to the positioning plate 37.

[0052] A slide plate 46 is provided on the side of the first bearing vertical plate 41 and the second bearing vertical plate 51 that are far apart from each other. A guide rail 47 is provided on the slide plate 46. A slider 48 is connected to the lower side of the first bearing moving rod 44. The slider 48 can slide along the guide rail 47.

[0053] Specifically, in this embodiment, a first bearing vertical plate 41 is movably provided at the upper end of the first motor vertical plate 21, and a second bearing vertical plate 51 is movably provided at the upper end of the second motor vertical plate 31. A second bearing horizontal plate 52 is provided on the side of the first bearing vertical plate 41 and the second bearing vertical plate 51 that are close to each other. A first semi-circular arc groove 43 is provided on the first bearing horizontal plate 42, and a second semi-circular arc groove 53 is provided on the second bearing horizontal plate 52. When fixing the bearing, the first semi-circular arc groove 43 and the second semi-circular arc groove 53 are joined together to form an arc groove to fix the bearing.

[0054] Specifically, in this embodiment, a first bearing moving rod 44 and a second bearing moving rod 45 are provided on the side of the first bearing vertical plate 41 and the second bearing vertical plate 51 that are far apart from each other. The first bearing moving rod 44 and the second bearing moving rod 45 are hinged together. One end of the first bearing moving rod 44 is hinged to the first bearing vertical plate 41 or the second bearing vertical plate 51. The second bearing moving rod 45 located on the right side is connected to the positioning plate 37. A sliding plate 46 is provided on the side of the first bearing vertical plate 41 on the left side that is far away from the second bearing vertical plate 51. A guide rail 47 is provided on the sliding plate 46. A slider 48 is provided on the lower side of the first bearing sliding frame 7. The slider 48 can slide along the guide rail 47. A handle is also provided on the second bearing moving rod 45. A connecting plate 334 is provided on one side of the first bearing vertical plate 41 on the left side. A guide rail 47 is also provided on the connecting plate 334. A slider 48 is also provided at the lower end of the first bearing moving rod 44 on the left side. The slider 48 slides along the guide rail 47. When the handle is pulled to the rear, the second bearing moving rod 45 moves to the rear, thereby driving the first bearing moving rod 44 on the right side to the right and the first bearing moving rod 44 on the left side to the left, thereby loosening the fixation of the bearing. When the handle is pushed forward, the second bearing moving rod 45 moves forward, thereby driving the first bearing moving rod 44 on the right side to the left and the first bearing moving rod 44 on the left side to the right, thereby fixing the bearing.

[0055] Specifically, in this embodiment, a first semi-circular groove 43 is provided on the first bearing horizontal plate 42 to mate with the outer peripheral wall of the bearing. By providing a movable first bearing horizontal plate 42 and a second bearing horizontal plate 52, the bearing can be positioned. After the first bearing horizontal plate 42 and the second bearing horizontal plate 52 move to a predetermined position, the first semi-circular groove 43 and the second semi-circular groove 53 assemble to form a circular groove, thereby fixing the position of the bearing. By providing a first bearing moving rod 44 and a second bearing moving rod 45, the movement of the second bearing moving rod 45 can drive the first bearing moving rod 44 to move as well, thereby driving the first bearing horizontal plate 42 or the second bearing horizontal plate 52 to move, thus fixing or releasing the bearing. Furthermore, the movement of the first bearing moving rod 44 is restricted by a sliding plate 46 moving along the guide rail 47.

[0056] Furthermore, as a preferred embodiment, the energized contact assembly 6 includes a contact plate 61 and a moving block 62. The sliding frame 7 is provided with a moving groove 71, and the moving block 62 is movably disposed in the moving groove 71. The moving block 62 is provided with the contact plate 61, and the moving block 62 is provided with a locking moving assembly 63 for fixing or moving the moving block 62.

[0057] Furthermore, as a preferred embodiment, a limit plate 8 is provided on the front side of the body 1.

[0058] Specifically, in this embodiment, the sliding frame 7 is provided with a motion groove 71, and the motion block 62 is slidably disposed in the motion groove 71. The side of the motion block 62 near the first bearing vertical plate 41 is provided with a contact plate 61 facing downward. The contact plate 61 can be connected to the control board sleeved on the motor for power supply. A connecting bolt is provided on the rear side of the motion block 62. When the connecting bolt is tightened, the position of the motion block 62 is fixed when the connecting bolt abuts against the sliding frame 7. When the bolt is turned, the position of the motion block 62 is not fixed and falls due to gravity, thereby connecting the contact plate 61 with the control board. When not in use, the connecting bolt can be pulled upward to the predetermined position and then tightened. A limit plate 8 is provided on the front side of the upper end of the machine body 1, and the limit plate 8 is located at the hinge position of the first bearing motion rod 44 and the second bearing motion rod 45, thereby limiting its position when the handle is pushed back.

[0059] Specifically, in this embodiment, the contact plate 61 is set to contact the control board to supply power to the motor for rotation. The position of the contact plate 61 is adjusted by the motion block 62 to facilitate contact with or away from the control board. The limit plate 8 restricts the return positions of the first motor motion rod 331 and the first bearing motion rod 44, preventing excessive movement from damaging the tested motor.

[0060] It should be understood that this invention is not limited to the precise structure described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this invention is limited only by the appended claims.

Claims

1. A testing fixture for a motor control board, characterized in that, It includes a body, a first motor fixing mechanism, a second motor fixing mechanism, a first bearing fixing mechanism, a second bearing fixing mechanism, and an electrical contact assembly; The first motor fixing mechanism is disposed on one side of the machine body, and the second motor fixing mechanism is movably disposed on the other side of the machine body. The first motor fixing mechanism and the second motor fixing mechanism movably clamp and fix the motor relative to each other. The first bearing fixing mechanism and the second bearing fixing mechanism are movable relative to each other in the machine body. The first bearing fixing mechanism is located above the first motor fixing mechanism, and the second bearing fixing mechanism is located above the second motor fixing mechanism. The first bearing fixing mechanism and the second bearing fixing mechanism cooperate to fix the rotor bearing of the motor. The machine body is slidably provided with a sliding frame, and the power contact assembly is installed on the sliding frame. The power contact assembly is used to cooperate with the motor control board for power-on testing. The motor control board is detachably sleeved on the underside of the motor rotor bearing and located in the sliding direction of the power contact assembly.

2. The testing fixture for a motor control board according to claim 1, characterized in that, The first motor fixing mechanism includes a first motor vertical plate, a first motor horizontal plate, and a first base plate. The first motor vertical plate is provided on one side of the upper end of the machine body. The first motor horizontal plate and the first base plate are provided on the side of the first motor vertical plate close to the second motor fixing mechanism. The first motor horizontal plate is located on the upper side of the first base plate. The first motor horizontal plate is provided with a first motor semi-circular arc groove, and the first base plate is provided with a first semi-circular arc fixing groove.

3. The detection fixture for a motor control board according to claim 2, characterized in that, The second motor fixing mechanism includes a second motor vertical plate, a second motor horizontal plate, a motor connecting rod assembly, and a second base plate. The second motor vertical plate is provided on the other side of the upper end of the machine body. The second motor horizontal plate and the second base plate are provided on the side of the second motor vertical plate close to the first motor vertical plate. The second motor horizontal plate is located on the upper side of the second base plate. The second motor horizontal plate is provided with a second motor semi-circular arc groove. The second base plate is provided with a second semi-circular arc fixing groove. The motor connecting rod assembly that drives the first motor vertical plate and the first motor horizontal plate to move is provided on the side of the second motor vertical plate away from the first motor vertical plate.

4. The detection fixture for a motor control board according to claim 3, characterized in that, The motor linkage assembly includes a first motor moving rod and a second motor moving rod. The first motor moving rod is hinged to the second motor moving rod and is also hinged to the second motor vertical plate. A positioning plate is provided on the side of the second motor moving rod away from the second motor vertical plate, and the second motor moving rod is connected to the positioning plate.

5. The testing fixture for a motor control board according to claim 4, characterized in that, A sliding block is provided on one side of the second motor vertical plate, and a connecting plate is provided on the side of the positioning plate near the second motor vertical plate. A slide rail is provided on the side of the connecting plate near the second motor vertical plate, and the sliding block can slide along the slide rail.

6. The detection fixture for a motor control board according to claim 5, characterized in that, The first bearing fixing mechanism includes a first bearing vertical plate and a first bearing horizontal plate. The first bearing vertical plate is movably disposed on the upper side of the first bearing vertical plate, and the first bearing horizontal plate is disposed on the side of the first bearing vertical plate near the second bearing fixing mechanism. A first semi-circular groove is disposed on the first bearing horizontal plate.

7. The detection fixture for a motor control board according to claim 6, characterized in that, The second bearing fixing mechanism includes a second bearing vertical plate and a second bearing horizontal plate. The second bearing vertical plate is movably provided on the upper side of the second bearing vertical plate, and the second bearing horizontal plate is provided on the side of the second bearing vertical plate close to the first bearing vertical plate. A second semi-circular groove is provided on the second bearing horizontal plate.

8. The testing fixture for a motor control board according to claim 7, characterized in that, Both the first bearing fixing mechanism and the second bearing fixing mechanism further include a first bearing moving rod and a second bearing moving rod. The first bearing moving rod and the second bearing moving rod are hinged together. The first bearing moving rod is hinged to the first bearing vertical plate or the second bearing vertical plate. The second bearing moving rod is connected to the positioning plate. A sliding plate is provided on the side of the first bearing vertical plate and the second bearing vertical plate that are far apart from each other. A guide rail is provided on the sliding plate. A slider is connected to the lower side of the first bearing moving rod. The slider can slide along the guide rail.

9. A testing fixture for a motor control board according to claim 8, characterized in that, The energized contact assembly includes a contact plate and a moving block. The sliding frame is provided with a moving groove, and the moving block is movably disposed in the moving groove. The contact plate is disposed on the moving block, and a locking moving component is disposed on the moving block. The locking moving component is used to fix or move the moving block.

10. A testing fixture for a motor control board according to claim 1, characterized in that, A limit plate is provided on the front side of the body.

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