Generator stator grounding test device

Abstract

The utility model relates to a generator stator grounding test device, which comprises a main operating handle, an insulating grabbing claw, a patch connecting sheet, a linkage rod, an outer connecting rod connecting block, a resistance equipment connecting block, a patch connecting wire, a resistance equipment connecting wire, a grabbing driving handle, a reset spring, a fastening screw and a screw rod mounting block, a spring mounting rod is arranged on one side of the side bearing table, a spring rod connecting groove is formed in the grabbing driving handle, the spring rod connecting groove is matched with the spring mounting rod, the spring rod connecting groove is connected with the spring mounting rod, the spring rod connecting groove slides on the outer side of the spring mounting rod, and the spring mounting rod is sleeved with a reset spring. One side of the reset spring is fixedly connected with the grabbing driving handle, the other side of the reset spring is fixedly connected with the main operating handle, and a screw mounting table is arranged on the side face of the spring rod connecting groove.

Description

Technical Field

[0001] The utility model relates to the field of generator stator testing, in particular to a generator stator grounding testing device. Background Art

[0002] The existing patent (publication number: CN220773172U) proposes a generator stator grounding test device, including an insulating hollow handle, a connecting block is arranged at the top of the insulating hollow handle, a resistor device connecting assembly is detachably connected to the top of the connecting block, the other end of the resistor device connecting assembly is connected to a resistor box, an upper clamp is arranged on the side of the connecting block, a clamp control assembly is arranged in the insulating hollow handle, a movable clamp located below the upper clamp is arranged on the side of the insulating hollow handle, and the movable clamp is transmission-connected to the clamp control assembly. However, this device "is convenient for placing the motor stator patch therein, and then releasing the control handle can make the movable clamp quickly reset under the tension of the telescopic spring, thereby clamping the motor stator patch". When operating the handle, the other hand needs to continuously grasp the insulating hollow handle, so that both hands need to be operated simultaneously during the test, affecting the convenience of the clamping operation. Summary of the invention

[0003] In view of the above-mentioned deficiencies in the prior art, the utility model provides a device for performing a generator stator grounding test. The device comprises the following steps: gripping a main operating handle and a driving handle and then holding them tightly so that the main operating handle and the grasping driving handle are close to each other; a handle positioning slider drives a screw mounting block to rotate by driving the cooperation between a spiral groove and a driven slider; while the screw mounting block rotates, the screw driving connecting rod block mounting slider is driven to approach a grasping protection platform, so that the insulating grasping claws drive the patch connecting pieces to approach each other until they are pressed tightly on both sides of the engine stator patch to complete the clamping operation; after the clamping is completed, the fastening screws can be pressed tightly on the sides of the spring mounting rod by toggling the fastening screws to complete the fixation of the grasping driving handle and maintain the clamping state of the engine stator patch; the clamping and fixing operations can be performed with one hand, and the clamping operation is simpler.

[0004] The purpose of this utility model is achieved through the following technical solutions:

[0005] A generator stator grounding test device, comprising a main operation handle, an insulating grasping claw, a patch connecting piece, a linkage rod, an outer linkage connecting block, a resistance device connecting block, a patch connecting wire, a resistance device connecting wire, a grasping drive handle, a return spring, a fastening screw, and a screw rod mounting block. The left and right sides of the main operation handle have side bearing platforms. One side of the side bearing platform has a spring mounting rod. The inside of the grasping drive handle has a spring rod connecting groove, which is adapted to the spring mounting rod. The spring rod connecting groove connects the spring mounting rod and slides outside the spring mounting rod. The return spring is sleeved outside the spring mounting rod. One side of the return spring is fixedly connected to the grasping drive handle, and the other side of the return spring is fixedly connected to the main operation handle. The side of the spring rod connecting groove has a screw mounting platform, which is threadedly connected to the fastening screw. The fastening screw presses against the side of the spring mounting rod. The left and right sides of the grasping drive handle have handle side bearing blocks. The side of the handle side bearing block corresponding to the main operation handle has a handle positioning slider. The side of the side bearing platform corresponding to the grasping drive handle has a handle positioning groove, which is adapted to the handle positioning slider. The handle positioning groove connects the handle positioning slider.

[0006] The handle positioning slider slides inside the handle positioning groove. The middle of the side bearing platform has a screw rod mounting platform, which is rotatably connected to the screw rod mounting block. The side of the screw rod mounting block corresponding to the handle positioning groove has a screw rod driven column. The inside of the handle positioning slider has a drive column connecting groove, which is adapted to the screw rod driven column. The drive column connecting groove connects the screw rod driven column, and the screw rod driven column slides inside the drive column connecting groove. Both sides of the screw rod driven column have driven sliders. The surface of the drive column connecting groove has a drive spiral groove, which is adapted to the driven sliders. The driven sliders connect the drive spiral groove and slide inside the drive spiral groove. The side of the side bearing platform opposite to the handle positioning groove has a screw rod mounting groove. One side of the outer linkage connecting block has a linkage block mounting slider, which is adapted to the screw rod mounting groove. The linkage block mounting slider connects the screw rod mounting groove and slides inside the screw rod mounting groove.

[0007] The side of the screw rod mounting block corresponding to the screw rod mounting groove has a drive screw. The inside of the linkage block mounting slider has a screw rod connecting groove, which is threadedly connected to the drive screw. The side of the main operation handle corresponding to the screw rod mounting groove has a grasping protection platform. The inside of the grasping protection platform has a grasping claw positioning groove. One side of the insulating grasping claw has a grasping claw positioning slider, which is adapted to the grasping claw positioning groove. The grasping claw positioning slider connects the grasping claw positioning groove and slides inside the grasping claw positioning groove.

[0008] Beneficial effects: 1. When the utility model uses this device to perform a generator stator grounding test, grasp the main operating handle and the driving handle and hold them tightly to bring the main operating handle and the driving handle close to each other. The handle positioning slider drives the screw mounting block to rotate through the cooperation between the driving spiral groove and the driven slider. While the screw mounting block rotates, the screw driving connecting rod block mounting slider is driven to approach the grabbing protection platform, so that the insulating grabbing claw drives the patch connecting pieces to approach each other until they are pressed tightly on both sides of the engine stator patch to complete the clamping operation. After clamping is completed, the fastening screws can be pressed tightly on the side of the spring mounting rod by turning the fastening screws to complete the fixation of the grasping driving handle and maintain the clamping state of the engine stator patch. Both clamping and fixing operations can be performed with one hand, and the clamping operation is simpler, simplifying the experimental process.

[0009] 2. The screw connecting groove and the driving screw of the utility model are connected by a thread, and the threaded connection has good self-locking properties, so that the patch connecting piece can automatically maintain the clamping state after being clamped on both ends of the engine stator patch. At the same time, the clamping force will not be transmitted to the gripping driving handle, so that the reset force applied to the gripping driving handle is only the elastic force of the reset spring, ensuring that the fastening screw will not fail due to excessive force when the spring mounting rod is compressed, thereby ensuring the stability of the clamping state.

[0010] 3. The angle between the linkage rod and the side bearing platform of the utility model is less than 45°. When the outer link connecting block drives the insulating grasping claw to move through the linkage rod, it only needs to move a small distance to drive the insulating grasping claw to run a large distance, thereby reducing the movement stroke of the grasping driving handle when the driving patch connection 7 is closed, ensuring that the distance between the grasping driving handle and the main operating handle can be designed to be closer, making this device more suitable for grasping.

[0011] 4. The side surface of the spring mounting rod of the utility model is designed to be flat, and the surface of the flat design is designed to be rough, so that when the fastening screw is pressed against the rough surface of the spring mounting rod, the friction force is greater, and the clamping state of the fastening screw is more stable. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 The utility model is a schematic structural diagram of a generator stator grounding test device.

[0013] Figure 2 It is a top cross-sectional view of a generator stator grounding test device described in the utility model.

[0014] Figure 3 This is a schematic diagram of the structure of the main operating handle of the utility model.

[0015] Figure 4 This is a schematic diagram of the structure of the gripping driving handle described in the utility model.

[0016] Figure 5Schematic diagram of the external link connecting block according to the present utility model.

[0017] Figure 6 Schematic diagram of the insulating gripping claw according to the present utility model.

[0018] Figure 7 Schematic diagram of the screw mounting block according to the present utility model. Specific embodiments

[0019] The present utility model will be further described in detail below with reference to the drawings and embodiments:

[0020] Embodiment 1:

[0021] A generator stator grounding test device, including a main operating handle 1, an insulating grab claw 6, a patch connecting piece 7, a linkage rod 8, an outer connecting rod connecting block 9, a resistor device connecting block 10, a patch connecting line 11, a resistor device connecting line 12, a gripping driving handle 14, a reset spring 18, a fastening screw 21, and a screw mounting block 24. The main operating handle 1 has side bearing platforms 2 on the left and right sides, and a spring mounting rod 17 is provided on one side of the side bearing platform 2. The gripping driving handle 14 has a spring rod connecting groove 19 inside, and the spring rod connecting groove 19 is adapted to the spring mounting rod 17, and the spring rod connecting groove 19 is connected to the spring mounting rod 17. The spring rod connecting groove 19 slides on the outside of the spring mounting rod 17. The side of the spring mounting rod 17 is designed to be flat, and the surface of the flat design is rough, so that the friction force is greater when the fastening screw 21 is pressed against the rough surface of the spring mounting rod 17, so that the clamping state of the fastening screw 21 is more stable. The reset spring 18 is sleeved on the outside of the spring mounting rod 17, and one side of the reset spring 18 is fixedly connected to the grasping drive handle 14. When using this device to perform a generator stator grounding test, grasp the main operating handle 1, grasp the drive handle 14, and then hold it tightly, so that the main operating handle 1 is close to the grasping drive handle 14, and the handle positioning slider 16 The screw mounting block 24 is driven to rotate by driving the spiral groove 27 and the driven slider 26. The screw mounting block 24 rotates while driving the screw 28 to drive the connecting rod block mounting slider 31 to approach the grabbing protection platform 3, so that the insulating grabbing claws 6 drive the patch connecting pieces 7 to approach each other until they are pressed tightly on both sides of the engine stator patch to complete the clamping operation. After the clamping is completed, the fastening screws 21 can be pressed tightly on the side of the spring mounting rod 17 by toggling the fastening screws 21 to complete the fixation of the grasping driving handle 14 and maintain the clamping state of the engine stator patch. The clamping and fixing operations can be performed with one hand, and the clamping operation is simpler and simplified. During the test process, the other side of the reset spring 18 is fixedly connected to the main operating handle 1, and a screw mounting platform 20 is provided on the side of the spring rod connecting groove 19. The screw mounting platform 20 is threadedly connected to the fastening screw 21, and the fastening screw 21 is pressed tightly on the side of the spring mounting rod 17. The left and right sides of the grasping drive handle 14 are provided with handle side bearing blocks 15, and the side of the handle side bearing block 15 corresponding to the main operating handle 1 is provided with a handle positioning slider 16, and the side bearing platform 2 corresponding to the grasping drive handle 14 is provided with a handle positioning groove 13, and the handle positioning groove 13 is adapted to the handle positioning slider 16, and the handle positioning groove 13 is connected to the handle positioning slider 16.

[0022] Embodiment 2:

[0023] The handle positioning slider 16 of the present utility model slides inside the handle positioning groove 13. The middle part of the side bearing platform 2 has a screw rod mounting platform 23. The screw rod mounting platform 23 is rotationally connected to the screw rod mounting block 24. One side of the screw rod mounting block 24 corresponding to the handle positioning groove 13 has a screw rod driven column 25. The handle positioning slider 16 has a driving column connection groove 22 inside. The driving column connection groove 22 is adapted to the screw rod driven column 25. The driving column connection groove 22 is connected to the screw rod driven column 25. The screw rod driven column 25 slides inside the driving column connection groove 22. Both sides of the screw rod driven column 25 have driven sliders 26. The surface of the driving column connection groove 22 has a driving spiral groove 27. The driven sliders 26 are adapted to the driving spiral groove 27. The driven sliders 26 are connected to the driving spiral groove 27. The driven sliders 26 slide inside the driving spiral groove 27. One side of the side bearing platform 2 opposite to the handle positioning groove 13 has a screw rod mounting groove 30. One side of the outer link connecting block 9 has a link block mounting slider 31. The link block mounting slider 31 is adapted to the screw rod mounting groove 30. The link block mounting slider 31 is connected to the screw rod mounting groove 30. The link block mounting slider 31 slides inside the screw rod mounting groove 30.

[0024] Embodiment 3:

[0025] One side of the screw rod mounting block 24 of the present utility model corresponding to the screw rod mounting groove 30 has a driving screw rod 28. The link block mounting slider 31 has a screw rod connection groove 29 inside. The driving screw rod 28 is threadedly connected to the screw rod connection groove 29. The screw rod connection groove 29 and the driving screw rod 28 adopt threaded connection. Threaded connection has good self-locking property, so that after the patch connecting piece 7 is clamped at both ends of the engine stator patch, it can automatically maintain the clamped state. At the same time, the clamping force will not be transmitted to the grasping driving handle 14, so that the force for the grasping driving handle 14 to reset is only the elastic force of the reset spring 18, ensuring that the fastening screw 21 will not fail due to excessive force when pressing the spring mounting rod 17, and ensuring the stability of the clamping state. One side of the main operation handle 1 corresponding to the screw rod mounting groove 30 has a grasping protection platform 3. The grasping protection platform 3 has a grasping claw positioning groove 4 inside. One side of the insulating grasping claw 6 has a grasping claw positioning slider 5. The grasping claw positioning slider 5 is adapted to the grasping claw positioning groove 4. The grasping claw positioning slider 5 is connected to the grasping claw positioning groove 4. The grasping claw positioning slider 5 slides inside the grasping claw positioning groove 4.

[0026] Embodiment 4:

[0027] On one side of the insulating gripping claw 6 of the present utility model close to the gripping claw positioning slider 5, there is an inner connecting rod connecting block 32. One side of the linkage rod 8 is rotatably connected to the inner connecting rod connecting block 32, and the other side of the linkage rod 8 is rotatably connected to the outer connecting rod connecting block 9. The included angle between the linkage rod 8 and the side bearing platform 2 is less than 45°. When the outer connecting rod connecting block 9 drives the insulating gripping claw 6 to move through the linkage rod 8, only a small distance of movement is required to drive the insulating gripping claw 6 to move a large distance, thereby reducing the movement stroke of the gripping drive handle 14 when driving the patch connecting piece 7 to close, ensuring that the distance between the gripping drive handle 14 and the main operation handle 1 can be designed to be closer, making this device more suitable for gripping. Inside the insulating gripping claw 6, there is a patch connection groove 33. On the side of the insulating gripping claw 6, a patch connecting piece 7 is fixedly connected. On one side of the patch connecting piece 7, there is a patch connecting column 34, and the patch connecting column 34 is inserted into the patch connection groove 33 for fixation.

[0028] Example 5:

[0029] On the side of the side bearing platform 2 on the right side of the present utility model, a resistor device connecting block 10 is fixedly connected. On the side of the resistor device connecting block 10, there is a resistor device connecting wire 12. One side of the patch connecting wire 11 is fixedly connected to the resistor device connecting block 10, and the other side of the patch connecting wire 11 passes through the insulating gripping claw 6 and is fixedly connected to the patch connecting column 34.

[0030] Example 6:

[0031] Installation steps of the utility model: Insert the screw installation block 24 into the screw installation table 23 of the main operation handle 1, insert the handle positioning slider 16 of the grasping drive handle 14 into the handle positioning groove 13 of the main operation handle 1, so that the drive column connection groove 22 of the grasping drive handle 14 is sleeved outside the screw driven column 25 of the screw installation block 24, so that the driven slider 26 of the screw installation block 24 is inserted into the drive spiral groove 27 of the drive column connection groove 22, so that the spring rod connection groove 19 of the grasping drive handle 14 is sleeved outside the spring installation rod 17 of the main operation handle 1, sleeved the return spring 18 outside the spring installation rod 17, fixedly connect one side of the return spring 18 with the grasping drive handle 14, fixedly connect the other side of the return spring 18 with the main operation handle 1, threadedly connect the fastening screw 21 with the screw installation table 20 of the grasping drive handle 14, so that the fastening screw 21 presses against the side of the spring installation rod 17, insert the link block installation slider 31 of the outer link connection block 9 into the screw installation groove 30 of the main operation handle 1, threadedly connect the screw connection groove 29 of the link block installation slider 31 with the drive screw 28 of the screw installation block 24, insert the grasping claw positioning slider 5 of the insulating grasping claw 6 into the grasping claw positioning groove 4 of the main operation handle 1, rotatably connect one side of the linkage rod 8 with the outer link connection block 9, rotatably connect the other side of the linkage rod 8 with the inner link connection block 32 of the insulating grasping claw 6, fixedly connect one side of the insulating grasping claw 6 with the patch connection piece 7, so that the patch connection column 34 of the patch connection piece 7 is inserted and fixed into the patch connection groove 33 of the insulating grasping claw 6, fixedly connect the side bearing table 2 on the right side with the resistor device connection block 10, fixedly connect one side of the patch connecting wire 11 with the resistor device connection block 10, and fixedly connect the other side of the patch connecting wire 11 with the patch connection column 34 through the insulating grasping claw 6. The installation of this device is completed.

[0032] The above are only the preferred embodiments of the utility model and are not used to limit the utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the utility model, several improvements and modifications can still be made, and these improvements and modifications should also be regarded as the protection scope of the utility model.

Claims

1. A generator stator grounding test device, characterized in that : It comprises a main operating handle (1), an insulating grasping claw (6), a patch connecting piece (7), a linkage rod (8), an external connecting rod connecting block (9), a resistor device connecting block (10), a patch connecting wire (11), a resistor device connecting wire (12), a grasping driving handle (14), a reset spring (18), a fastening screw (21), and a screw mounting block (24). The left and right sides of the main operating handle (1) are provided with side bearing platforms (2), one side of the side bearing platform (2) is provided with a spring mounting rod (17), the grasping driving handle (14) has a spring rod connecting groove (19) inside, the spring rod connecting groove (19) is adapted to the spring mounting rod (17), the spring rod connecting groove (19) is connected to the spring mounting rod (17), the spring rod connecting groove (19) slides on the outside of the spring mounting rod (17), and the reset spring (18) is sleeved on the spring mounting rod (17). The outer side of the rod (17) fixes one side of the return spring (18) to the gripping drive handle (14), and the other side of the return spring (18) to the main operating handle (1). The side of the spring rod connecting groove (19) is provided with a screw mounting platform (20), the screw mounting platform (20) is threadedly connected to the fastening screw (21), and the fastening screw (21) is pressed against the side of the spring mounting rod (17). The gripping drive handle (14) has a handle side bearing block (15) on the left and right sides, and the handle side bearing block (15) has a handle positioning slide block (16) on the side corresponding to the main operating handle (1). The side bearing platform (2) has a handle positioning groove (13) on the side corresponding to the gripping drive handle (14), the handle positioning groove (13) is adapted to the handle positioning slide block (16), and the handle positioning groove (13) is connected to the handle positioning slide block (16).

2. A generator stator grounding test device according to claim 1, characterized in that The handle positioning slider (16) slides inside the handle positioning groove (13), a screw mounting platform (23) is provided in the middle of the side bearing platform (2), the screw mounting platform (23) is rotatably connected to the screw mounting block (24), a screw driven column (25) is provided on the side of the screw mounting block (24) corresponding to the handle positioning groove (13), a drive column connecting groove (22) is provided inside the handle positioning slider (16), the drive column connecting groove (22) is adapted to the screw driven column (25), the drive column connecting groove (22) is connected to the screw driven column (25), the screw driven column (25) slides inside the drive column connecting groove (22), and the screw driven column (25) has driven sliders (2) on both sides. 6), a driving column connecting groove (22) has a driving spiral groove (27) on its surface, a driven slider (26) is adapted to the driving spiral groove (27), the driven slider (26) is connected to the driving spiral groove (27), the driven slider (26) slides inside the driving spiral groove (27), a side of the side bearing platform (2) opposite to the handle positioning groove (13) has a screw mounting groove (30), one side of the outer connecting rod connecting block (9) has a connecting rod block mounting slider (31), the connecting rod block mounting slider (31) is adapted to the screw mounting groove (30), the connecting rod block mounting slider (31) is connected to the screw mounting groove (30), and the connecting rod block mounting slider (31) slides inside the screw mounting groove (30).

3. A generator stator grounding test device according to claim 2, characterized in that The screw mounting block (24) has a driving screw (28) on the side corresponding to the screw mounting groove (30), a screw connecting groove (29) is provided inside the connecting rod block mounting slider (31), the driving screw (28) is threadedly connected to the screw connecting groove (29), the main operating handle (1) has a grabbing protection platform (3) on the side corresponding to the screw mounting groove (30), the grabbing protection platform (3) has a grabbing claw positioning groove (4) inside, and the insulating grabbing claw (6) has a grabbing claw positioning slider (5) on one side, the grabbing claw positioning slider (5) is adapted to the grabbing claw positioning groove (4), the grabbing claw positioning slider (5) is connected to the grabbing claw positioning groove (4), and the grabbing claw positioning slider (5) slides inside the grabbing claw positioning groove (4).

4. A generator stator grounding test device according to claim 3, characterized in that The insulating grasping claw (6) has an inner connecting rod connection block (32) on one side close to the grasping claw positioning slider (5), one side of the linkage rod (8) is rotatably connected to the inner connecting rod connection block (32), and the other side of the linkage rod (8) is rotatably connected to the outer connecting rod connection block (9); the insulating grasping claw (6) has a patch connection groove (33) inside; the side of the insulating grasping claw (6) is fixedly connected to the patch connection piece (7), one side of the patch connection piece (7) has a patch connection column (34), and the patch connection column (34) is inserted into the patch connection groove (33) for fixation; the side of the side bearing platform (2) located on the right side is fixedly connected to the resistor device connection block (10), the side of the resistor device connection block (10) has a resistor device connection line (12), one side of the patch connection line (11) is fixedly connected to the resistor device connection block (10), and the other side of the patch connection line (11) passes through the insulating grasping claw (6) and is fixedly connected to the patch connection column (34).

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