A grounding wire clamp for substation operation and maintenance

Abstract

This utility model belongs to the field of power maintenance technology, specifically a grounding wire clamp for substation operation and maintenance, including an insulating rod; a U-shaped rod is fixedly connected to the top of the insulating rod; a sliding groove is formed in the middle of the insulating rod; a limit rod is rotatably connected to the middle of the sliding groove via a torsion spring; a connecting rod is rotatably connected to the end of the limit rod away from the sliding groove; the other end of the connecting rod is slidably connected to the middle of the sliding groove; a groove is formed at the end of the U-shaped rod away from the insulating rod; a connecting assembly is installed inside the end of the connecting rod connected to the limit rod; the connecting assembly includes a pull rope; a through groove is formed at the end of the connecting rod located in the middle of the sliding groove; with the above structure, when grounding outdoor power lines, the occurrence of grounding failure due to the power line shaking off the device caused by wind vibration can be reduced, thus improving the safety of the device.

Description

Technical Field

[0001] This utility model belongs to the field of power maintenance technology, specifically a grounding wire clamp for substation operation and maintenance. Background Technology

[0002] Grounding clamps for substation operation and maintenance are an important electrical safety device. Their main function is to reliably connect substation equipment to the ground to ensure the safety of personnel and equipment during equipment maintenance or fault handling.

[0003] When using a grounding clamp, it is necessary to first connect the grounding clamp to the earth, and then connect the grounding clamp to the power line of the transformer equipment. This connects the transformer equipment to the earth, forming a conductive path and effectively protecting the equipment and personnel from electric shock. However, in long-term observation of existing grounding clamps, it has been found that when the grounding clamp is connected to the power line at a high outdoor location, the power line may be shaken by strong winds, causing the grounding clamp to fall off, resulting in grounding failure.

[0004] Therefore, this utility model provides a grounding wire clamp for substation operation and maintenance. Utility Model Content

[0005] In order to overcome the shortcomings of the prior art, at least one technical problem raised in the background art is solved.

[0006] The technical solution adopted by this utility model to solve its technical problem is as follows: A grounding wire clamp for substation operation and maintenance, comprising an insulating rod; a U-shaped rod fixedly connected to the top of the insulating rod; a sliding groove formed in the middle of the insulating rod; a limiting rod rotatably connected to the middle of the sliding groove via a torsion spring; a connecting rod rotatably connected to the end of the limiting rod away from the sliding groove; the other end of the connecting rod slidably connected to the middle of the sliding groove; a groove formed at the end of the U-shaped rod away from the insulating rod; a connecting assembly installed inside the end of the connecting rod connected to the limiting rod; the connecting assembly includes a pull rope; a through groove formed at the end of the connecting rod located in the middle of the sliding groove; a first steering rod fixedly connected inside the end of the connecting rod located in the middle of the sliding groove; the pull rope passes through the through groove. Through the above structure, when grounding outdoor power lines, the occurrence of grounding failure due to wind shaking of the device can be reduced, thus improving the safety of the device.

[0007] Preferably, the connecting assembly includes a pair of locking blocks; the pair of locking blocks are slidably connected to the ends of the limiting rod and the connecting rod; a pair of locking slots are provided on the side wall of the groove; a spring piece is fixedly connected to one end of the pair of locking blocks that is close to each other; a pair of second steering rods are fixedly connected inside the connecting rod; the pair of second steering rods are located between the pair of locking blocks; with the above structure, after the device is connected to the wire, the occurrence of circuit grounding failure caused by the separation of the power line from the device can be further reduced, and the safety of the device can be further improved.

[0008] Preferably, a spring is fixedly connected to the top of the groove; a fixing plate is fixedly connected to the bottom of the spring; with the above structure, when the device is connected to the wire, the influence of the pull rope slipping from the hand causing the limiting rod to rotate and thus affecting the wire connection is reduced.

[0009] Preferably, rollers are rotatably connected to the middle of the second steering rod and the first steering rod; the pull rope is arranged around the middle of multiple rollers; through the above structure, the sliding friction experienced by the middle of the pull rope can be transformed into rolling friction, thereby reducing the wear of the pull rope and improving the service life of the device.

[0010] Preferably, a pair of guide plates are fixed to the bottom of the groove; the pair of guide plates are arc-shaped and symmetrically arranged; through the above structure, the occurrence of collision between the end of the limiting rod and the bottom of the groove can be reduced, and the impact of component wear on the use of the device can be reduced.

[0011] Preferably, an elastic rope is fixedly connected to the middle of the limiting rod; the other end of the elastic rope is fixedly connected to the middle of the connecting rod; through the above structure, the influence of the connecting rod on the rotational force of the limiting rod is reduced, thereby reducing the occurrence of a pair of locking blocks failing to enter the locking slot due to insufficient force.

[0012] The beneficial effects of this utility model are as follows:

[0013] 1. The grounding wire clamp for substation operation and maintenance described in this utility model, through the setting of U-shaped rod, limiting rod, connecting rod and pull rope, can reduce the occurrence of grounding failure caused by the wire shaking off the device due to wind vibration when grounding outdoor wires, thereby improving the safety of the device.

[0014] 2. The grounding wire clamp for substation operation and maintenance described in this utility model, through the combination of components and slots, can further reduce the occurrence of grounding failure caused by the separation of the power line from the device after the device is connected to the power line, thereby further improving the safety of the device. Attached Figure Description

[0015] The present invention will be further described below with reference to the accompanying drawings.

[0016] Figure 1 This is a perspective view of the present invention;

[0017] Figure 2 This is a schematic diagram of the U-shaped rod in this utility model;

[0018] Figure 3 This is a schematic diagram of the combined components in this utility model;

[0019] Figure 4 This is a schematic diagram of the slide groove in this utility model;

[0020] Figure 5 This is a schematic diagram of the pull ring structure in this utility model;

[0021] In the diagram: 1. Insulating rod; 12. U-shaped rod; 13. Slide groove; 14. Limiting rod; 15. Connecting rod; 16. Groove; 17. Connecting assembly; 18. Pull rope; 19. Through groove; 110. First steering rod; 2. Spring piece; 21. Slot; 22. Locking block; 23. Second steering rod; 3. Spring; 31. Fixing plate; 4. Pull ring; 41. Pull hook; 5. Roller; 6. Guide plate; 7. Elastic rope. Detailed Implementation

[0022] To make the technical means, creative features, objectives and effects of this utility model easier to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0023] like Figures 1 to 4As shown in the embodiment of this utility model, a grounding wire clamp for substation operation and maintenance includes an insulating rod 1; a U-shaped rod 12 is fixedly connected to the top of the insulating rod 1; a sliding groove 13 is formed in the middle of the insulating rod 1; a limiting rod 14 is rotatably connected to the middle of the sliding groove 13 via a torsion spring; a connecting rod 15 is rotatably connected to one end of the limiting rod 14 away from the sliding groove 13; the other end of the connecting rod 15 is slidably connected to the middle of the sliding groove 13; a groove 16 is formed at one end of the U-shaped rod 12 away from the insulating rod 1; a connecting assembly 17 is installed inside the end of the connecting rod 15 connected to the limiting rod 14; the connecting assembly 17 includes a pull rope 18; a through groove 19 is formed at one end of the connecting rod 15 located in the middle of the sliding groove 13; a first steering rod 110 is fixedly connected inside the one end of the connecting rod 15 located in the middle of the sliding groove 13. The pull rope 18 passes through the through groove 19. During operation, pulling the pull rope 18 moves the connecting assembly 17 downward, causing one end of the connecting rod 15 in the slide groove 13 to slide down along the slide groove 13. The other end of the connecting rod 15 causes the end of the limiting rod 14 to rotate downward, opening the U-shaped rod 12. Then, the U-shaped rod 12 is hung on the wire that needs to be grounded. Then, the pull rope 18 is released, and the limiting rod 14 will rotate under the elastic force of the torsion spring. At this time, the end of the limiting rod 14 away from the insulating rod 1 will enter the interior of the groove 16, enclosing the wire that needs to be grounded inside the U-shaped rod 12. This prevents the device from easily falling off the wire when the wire shakes. Through the above structure, when grounding outdoor wires, the occurrence of the device being shaken off by the wind, leading to circuit grounding failure, can be reduced, thus improving the safety of the device.

[0024] like Figures 1 to 3As shown, the connecting assembly 17 includes a pair of locking blocks 22; the pair of locking blocks 22 are slidably connected to the ends of the limiting rod 14 and the connecting rod 15; a pair of slots 21 are provided on the side wall of the groove 16; a spring piece 2 is fixedly connected to one end of the pair of locking blocks 22 that is close to each other; a pair of second steering rods 23 are fixedly connected inside the connecting rod 15; the pair of second steering rods 23 are located between the pair of locking blocks 22; the pull rope 18 is fixedly connected to the ends of the pair of locking blocks 22, and the pull rope 18 is arranged between the pair of second steering rods 23; during operation, when the pull rope 18 is released and the end of the limiting rod 14 enters the groove 16, the pair of locking blocks 22 will be subjected to the bottom of the groove 16. The sidewall is squeezed and slides inward toward the connecting rod 15. After the end of the connecting rod 15 enters the groove 16, a pair of locking blocks 22 will be inserted into a pair of locking slots 21 under the elastic force of the spring piece 2, so that the end of the limiting rod 14 will not easily disengage from the groove 16. When it is necessary to open, pull the pull rope 18. The pull rope 18 will drive the pair of locking blocks 22 to move closer to each other and disengage from the locking slots 21, releasing the restriction on the limiting rod 14 and thus opening the limiting rod 14. Through the above structure, after the device is connected to the wire, the occurrence of circuit grounding failure caused by the separation of the power line from the device can be further reduced, and the safety of the device can be further improved.

[0025] like Figures 1 to 3 As shown, a spring 3 is fixedly connected to the top of the groove 16; a fixing plate 31 is fixedly connected to the bottom end of the spring 3; during operation, after the pull rope 18 is released, the end of the limiting rod 14 will enter the interior of the groove 16 under the elastic force of the torsion spring. When the limiting rod 14 rotates, the impact force at the end will be buffered by the spring 3, reducing the occurrence of loosening of the components inside the limiting rod 14 due to the vibration caused by the impact, improving the structural reliability of the device, and thus improving the safety of the device in use.

[0026] like Figures 1 to 5 As shown, a pull ring 4 is fixedly connected to one end of the pull rope 18 away from the connecting rod 15; a hook 41 is fixedly connected to the middle of the insulating rod 1; during operation, the pull rope 18 is pulled and the hook 41 is used to hook the pull ring 4, thereby reducing the impact on the wire connection caused by the pull rope 18 slipping from the hand and the limit rod 14 rotating when the device is connected to the wire.

[0027] like Figures 1 to 4 As shown, the second steering rod 23 and the first steering rod 110 are rotatably connected to rollers 5 at their middle parts; the pull rope 18 is arranged to pass around the middle of multiple rollers 5; through the above structure, the sliding friction experienced by the middle of the pull rope 18 can be transformed into rolling friction, thereby reducing the wear of the pull rope 18 and improving the service life of the device.

[0028] like Figures 1 to 3As shown, a pair of guide plates 6 are fixed to the bottom of the groove 16; the pair of guide plates 6 are arc-shaped and symmetrically arranged; after long-term use, the end of the limiting rod 14 located inside the slide groove 13 may become loose due to wear, causing the end of the limiting rod 14 to deviate when entering the groove 16 and collide with the bottom of the groove 16. By setting a pair of guide plates 6, the occurrence of collision between the end of the limiting rod 14 and the bottom of the groove 16 can be reduced, and the impact of component wear on the use of the device can be reduced.

[0029] like Figure 2 As shown, an elastic rope 7 is fixedly connected to the middle of the limiting rod 14; the other end of the elastic rope 7 is fixedly connected to the middle of the connecting rod 15; during operation, when the limiting rod 14 rotates due to the torsion spring force to close the U-shaped rod 12, the elastic rope 7 will provide assistance to the rotation of the connecting rod 15, reducing the influence of the connecting rod 15 on the rotation force of the limiting rod 14, thereby reducing the occurrence of a pair of locking blocks 22 failing to enter the locking slot 21 due to insufficient force.

[0030] During operation, pulling the pull rope 18 moves the connecting assembly 17 downwards, causing one end of the connecting rod 15 to slide down the slide groove 13. The other end of the connecting rod 15 causes the end of the limiting rod 14 to rotate downwards, opening the U-shaped rod 12. The U-shaped rod 12 is then hung on the wire that needs to be grounded. Releasing the pull rope 18 causes the limiting rod 14 to rotate under the force of the torsion spring. At this point, the end of the limiting rod 14 away from the insulating rod 1 enters the groove 16, enclosing the wire that needs to be grounded inside the U-shaped rod 12. This prevents the device from easily falling off the wire when it vibrates. As the pulling rope 18 is released and the end of the limiting rod 14 enters the groove 16, a pair of locking blocks 22 are pressed against the bottom sidewall of the groove 16 and slide towards the inside of the connecting rod 15. After the end of the connecting rod 15 enters the groove 16, the pair of locking blocks 22 will... Under the elastic force of the spring 2, the spring 2 inserts into the interior of a pair of slots 21, so that the end of the limiting rod 14 will not easily disengage from the interior of the groove 16. When it is necessary to open, pull the pull rope 18. Pulling the pull rope 18 will cause a pair of locking blocks 22 to move closer to each other and disengage from the interior of the slots 21, releasing the restriction on the limiting rod 14 and thus opening the limiting rod 14. After releasing the pull rope 18, the end of the limiting rod 14 will enter the interior of the groove 16 under the elastic force of the torsion spring. When the limiting rod 14 rotates, the impact force at the end will be buffered by the spring 3. After long-term use, the end of the limiting rod 14 located inside the slide groove 13 may become loose due to wear, causing the end of the limiting rod 14 to deviate when entering the groove 16 and collide with the bottom of the groove 16. By setting a pair of guide plates 6, the occurrence of collision between the end of the limiting rod 14 and the bottom of the groove 16 can be reduced.

[0031] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model. The scope of protection of this utility model is defined by the appended claims and their equivalents.

Claims

1. A grounding wire clamp for substation operation and maintenance, comprising an insulating rod (1); characterized in that: A U-shaped rod (12) is fixedly connected to the top of the insulating rod (1); a groove (13) is provided in the middle of the insulating rod (1); a limiting rod (14) is rotatably connected to the middle of the groove (13) by a torsion spring; a connecting rod (15) is rotatably connected to the end of the limiting rod (14) away from the groove (13); the other end of the connecting rod (15) is slidably connected to the middle of the groove (13); the end of the U-shaped rod (12) away from the insulating rod (1) is opened A groove (16) is provided; a connecting component (17) is installed inside the end of the connecting rod (15) that is connected to the limiting rod (14); the connecting component (17) includes a pull rope (18); a through groove (19) is provided at one end of the connecting rod (15) located in the middle of the slide groove (13); a first steering rod (110) is fixedly connected inside the one end of the connecting rod (15) located in the middle of the slide groove (13); the pull rope (18) is arranged to pass through the through groove (19).

2. The grounding wire clamp for substation operation and maintenance according to claim 1, characterized in that: The connecting component (17) includes a pair of locking blocks (22); the pair of locking blocks (22) are slidably connected to the ends of the limiting rod (14) and the connecting rod (15); a pair of locking slots (21) are provided on the side wall of the groove (16); a spring piece (2) is fixedly connected to one end of the pair of locking blocks (22) that is close to each other; a pair of second steering rods (23) are fixedly connected inside the connecting rod (15); the pair of second steering rods (23) are located between the pair of locking blocks (22); the pull rope (18) is fixedly connected to the ends of the pair of locking blocks (22), and the pull rope (18) is arranged to pass through the pair of second steering rods (23).

3. A grounding wire clamp for substation operation and maintenance according to claim 2, characterized in that: A spring (3) is fixed to the top of the groove (16); a fixing plate (31) is fixed to the bottom of the spring (3).

4. A grounding wire clamp for substation operation and maintenance according to claim 2, characterized in that: A pull ring (4) is fixed to one end of the pull rope (18) away from the connecting rod (15); a pull hook (41) is fixed to the middle of the insulating rod (1).

5. A grounding wire clamp for substation operation and maintenance according to claim 2, characterized in that: The second steering rod (23) and the first steering rod (110) are rotatably connected to rollers (5) at their middle parts; the pull rope (18) is arranged around the middle of multiple rollers (5).

6. A grounding wire clamp for substation operation and maintenance according to claim 3, characterized in that: A pair of guide plates (6) are fixed to the bottom of the groove (16); the pair of guide plates (6) are arc-shaped and symmetrically arranged.

7. A grounding wire clamp for substation operation and maintenance according to claim 2, characterized in that: An elastic rope (7) is fixedly connected to the middle of the limiting rod (14); the other end of the elastic rope (7) is fixedly connected to the middle of the connecting rod (15).

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