CN216055215U - Reliable high-voltage grounding wire - Google Patents

Abstract

The utility model provides a reliable high-voltage grounding wire which comprises an insulating operating rod and a wire clamp; the wire clamp comprises a fixed end and a second clamping block, one end of the fixed end is fixedly arranged on the outer wall of the insulating operation rod, the fixed end is U-shaped, a first clamping block is fixedly arranged in the middle of the fixed end, the second clamping block is movably arranged at the front end of the insulating operation rod, a pushing device used for pushing the second clamping block to move back and forth is arranged in the insulating operation rod, semicircular grooves corresponding to the first clamping block and the second clamping block are respectively arranged on the sides, close to each other, of the first clamping block and the second clamping block, the problem that the wire clamp of the grounding wire is not matched with the wire to cause falling or wire clamping due to the fact that the wire clamp is matched with the first clamping block to move back and forth is effectively solved, and effectiveness of grounding is guaranteed.

Description

Reliable high-voltage grounding wire

Technical Field

The utility model relates to the technical field of grounding protection devices, in particular to a reliable high-voltage grounding wire.

Background

According to the requirements of 'electric power safety work rules' (circuit part) issued by national grid company, the technical measures for ensuring the safety of the electric power circuit work comprise: power failure; testing electricity; grounding; personal security threads have been used; hang the signboard and install and hide the fence. The grounding finger is used for mounting a grounding wire on a power-cut wire to be overhauled, which is an important safety measure for ensuring the personal safety of operating personnel.

The circuit grounding wire is mostly composed of an insulating operating rod, a wire clamp, a grounding soft copper wire and a grounding terminal. At present, the commonly used 66kV, 110kV and 220kV line grounding wires are mostly double-spring hook type grounding wires or double-spring duckbilled type grounding wires, and the two types of line grounding wires frequently fall off or are blocked in field application. This is due to the fact that the diameter of the wire does not match the wire clamp of the ground wire, the diameter of the wire is much different for the same voltage class, and the size of the wire clamp of the ground wire is exactly the same. If the diameter of the lead is too small, the lead clamp of the grounding wire with the corresponding voltage grade is not practical and is easy to fall off; after the wire diameter thick wire clamp clamps the wire, the spring is blocked to cause removal difficulty, after the operation is finished, an operator needs to break the safety working rules by removing the grounding wire, and the spring is broken off at the wire to separate the grounding wire from the wire under the risk of electric shock. In order to avoid the above two situations, field operators encounter wires with thick or thin wire diameters, and generally clamp the wires of the grounding wire on a triangular connecting plate or an adjusting plate on the side of the wires. Although the operation avoids the problem of wire clamping, the wire is easy to fall off due to vibration generated on the wire in windy days or other conditions.

Therefore, the utility model provides a reliable high-voltage grounding wire, which is used for solving the technical problem.

SUMMERY OF THE UTILITY MODEL

In order to achieve the above object, the present invention provides a reliable high-voltage grounding wire, comprising an insulating operating rod and a wire clamp; the wire clamp comprises a fixed end and a second clamping block, one end of the fixed end is fixedly installed on the outer wall of the insulating operation rod, the fixed end is U-shaped, a first clamping block is fixedly arranged in the middle of the fixed end, the second clamping block is movably installed at the front end of the insulating operation rod, a pushing device used for pushing the second clamping block to move back and forth is arranged in the insulating operation rod, and corresponding semicircular grooves are formed in the sides, close to each other, of the first clamping block and the second clamping block, which are symmetrically arranged in the front and back direction.

By adopting the technical scheme, the problem that the grounding wire lead clamp is not matched with the lead to cause falling or wire clamping because of the different wire diameters of the lead is effectively solved by arranging the first clamping block matched with the second clamping block which can move back and forth, and the effectiveness of grounding is ensured.

Preferably, the pushing device comprises a supporting rod, a rotating shaft and a push rod which are sequentially arranged from front to back, a first sliding groove and a second sliding groove are sequentially arranged in the insulating operating rod from front to back, the supporting rod can slide in the first sliding groove back and forth, the rotating shaft and the push rod can slide in the second sliding groove back and forth, the second clamping block is arranged on the front end face, extending out of the insulating operating rod, of the supporting rod, one end of the push rod extends out of the rear end face of the insulating operating rod, eight guide blocks are uniformly arranged in the second sliding groove, a first limiting groove and a second limiting groove are respectively arranged on two sides of each guide block, the four first limiting grooves and the four second limiting grooves are axisymmetric, four first sliding blocks are uniformly arranged on the outer wall of the rotating shaft, the four first sliding blocks can slide in the first limiting grooves back and forth, and the depth of the second limiting grooves is smaller than the thickness of the first sliding blocks, the outer wall of push rod evenly is equipped with eight second sliders, eight the second slider can set up respectively at the interval first spacing groove with slide in the second spacing groove, the preceding terminal surface of push rod evenly is equipped with eight spacing teeth, the prong of spacing tooth is corresponding the distance of two walls is equal about the second slider, the front end of guide block with the rear end of second slider all is equipped with the direction inclined plane of mutually supporting, just the direction inclined plane with spacing tooth is mutually supported.

Adopt above-mentioned technical scheme, set up first slider through the outer wall in the pivot, set up the guide block in the second spout, first spacing groove and second spacing groove, front end at the push rod sets up spacing tooth, outer wall at the push rod sets up eight second sliders, front end at the guide block and the rear end of first slider set up the direction inclined plane, thereby can be through promoting the push rod, it rotates to drive the pivot, make first slider block in proper order go into first spacing groove and second spacing inslot, realize adjusting the fore-and-aft position of pivot in insulating bar, and then realize adjusting the fore-and-aft position of second clamp splice, thereby can realize pressing from both sides tightly and the action of unclamping.

Preferably, the rear end of the rotating shaft is provided with a limiting column, and the limiting column is inserted into the inner cavity of the push rod.

By adopting the technical scheme, the position of the rotating shaft relative to the push rod can be limited by arranging the limiting column stretching into the inner cavity of the push rod, and a plurality of limiting teeth are ensured to be respectively and tightly attached to the guide inclined plane of the first sliding block.

Preferably, the second clamping block comprises a connecting rod fixedly connected with the supporting rod, a limiting ring turned up towards the first limiting groove is arranged at the front end of the insulating operating rod, the connecting rod can slide back and forth in the limiting ring, and the cross sections of the connecting rod and the limiting ring are rectangular.

By adopting the technical scheme, the connecting rod and the limiting ring with the uniform rectangular cross section can be prevented from rotating, and the first clamping block and the second clamping block are ensured to correspond to each other.

Preferably, the front end face of the rotating shaft is provided with a mounting hole recessed backwards, the rear end face of the supporting rod extends into the mounting hole, the outer wall of the supporting rod is provided with a sliding rod, and the sliding rod is connected with the first sliding groove in a sliding mode.

By adopting the technical scheme, the position of the supporting rod can be limited by arranging the sliding rod which slides in the first sliding groove, the rear end of the supporting rod can be ensured to be clamped into the mounting hole on the front end surface of the rotating shaft,

preferably, the outer wall of the connecting rod is provided with a spring, and the front end and the rear end of the spring are respectively abutted against the rear end face of the limiting ring and fixedly connected with the front end face of the sliding rod.

Adopt above-mentioned technical scheme, can push the slide bar backward through the elastic deformation of spring, avoid the slide bar to slide around first spout relatively.

Preferably, the lower end of the second clamping block is provided with a limiting block protruding forwards.

By adopting the technical scheme, the limiting block is arranged, so that the wire can be prevented from falling out from the opening below the fixed end after the wire is clamped by the first clamping block and the second clamping block.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the first clamping block is matched with the second clamping block which can move back and forth, so that the problem of falling or wire clamping caused by mismatching of the grounding wire clamp and the conducting wire due to different wire diameters of the conducting wire is effectively solved, and the effectiveness of grounding is ensured;

2. according to the utility model, the first sliding block is arranged on the outer wall of the rotating shaft, the guide block, the first limiting groove and the second limiting groove are arranged in the second sliding groove, the limiting teeth are arranged at the front end of the push rod, the eight second sliding blocks are arranged on the outer wall of the push rod, and the guide inclined planes are arranged at the front end of the guide block and the rear end of the first sliding block, so that the rotating shaft can be driven to rotate by pushing the push rod, the first sliding block is sequentially clamped into the first limiting groove and the second limiting groove, the front and rear positions of the rotating shaft in the insulating operating rod are adjusted, the front and rear positions of the second clamping block are adjusted, and the clamping and loosening actions can be realized;

3. according to the utility model, the position of the rotating shaft relative to the push rod can be limited by arranging the limiting column extending into the inner cavity of the push rod, and a plurality of limiting teeth are respectively and tightly attached to the guide inclined plane of the first slide block;

4. according to the utility model, the connecting rod and the limiting ring with uniform and rectangular sections are arranged, so that the connecting rod can be prevented from rotating, and the first clamping block and the second clamping block are ensured to be corresponding to each other.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the internal structure of the insulated operating rod of the present invention;

FIG. 3 is an enlarged view of the spring of the present invention;

FIG. 4 is an enlarged view of the support bar of the present invention;

FIG. 5 is a cross-sectional view of a second runner of the present invention;

FIG. 6 is an enlarged view of the spindle of the present invention;

fig. 7 is an enlarged view of the push rod of the present invention.

In the figure: 2. an insulating operating rod; 21. a first chute; 22. a second chute; 211. a limiting ring; 221. a guide block; 222. a first limit groove; 223. a second limit groove; 3. a wire clamp; 31. fixing the end head; 32. a second clamp block; 311. a first clamping block; 321. a connecting rod; 322. a spring; 323. a semicircular groove; 324. a limiting block; 4. a pushing device; 41. a support bar; 411. a slide bar; 42. a rotating shaft; 421. a first slider; 422. a limiting column; 423. mounting holes; 4211. a guide slope; 43. a push rod; 431. a second slider; 432. and a limiting tooth.

Detailed Description

In order to facilitate an understanding of the utility model, the utility model will now be described more fully hereinafter with reference to the accompanying drawings, in which several embodiments of the utility model are shown, but which may be embodied in different forms and not limited to the embodiments described herein, but which are provided so as to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present, as the terms "vertical", "horizontal", "left", "right" and the like are used herein for descriptive purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, and the terms used herein in the specification of the present invention are for the purpose of describing particular embodiments only and are not intended to be limiting of the present invention, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

Referring to fig. 1-7, a reliable high-voltage grounding wire is characterized in that: comprises an insulating operating rod (2) and a wire clamp (3);

the wire clamp 3 comprises a fixed end 31 and a second clamping block 32, one end of the fixed end 31 is fixedly installed on the outer wall of the insulating operating rod 2, the fixed end 31 is U-shaped, a first clamping block 311 is fixedly arranged in the middle of the fixed end 31, the second clamping block 32 is movably installed at the front end of the insulating operating rod 2, a pushing device 4 used for pushing the second clamping block 32 to move back and forth is arranged in the insulating operating rod 2, and corresponding semicircular grooves 323 are respectively arranged on the sides, close to each other, of the first clamping block 311 and the second clamping block 32, which are symmetrically arranged in the front and back direction.

Please refer to fig. 4, fig. 5, fig. 6, and fig. 7, the pushing device 4 includes a supporting rod 41, a rotating shaft 42, and a pushing rod 43 sequentially arranged from front to back, a first sliding slot 21 and a second sliding slot 22 are sequentially arranged from front to back in the insulating operating rod 2, the supporting rod 41 can slide back and forth in the first sliding slot 21, the rotating shaft 42 and the pushing rod 43 can slide back and forth in the second sliding slot 22, the second clamping block 32 is arranged on the front end surface of the insulating operating rod 2 extending out of the supporting rod 41, one end of the pushing rod 43 extends out of the rear end surface of the insulating operating rod 2, eight guiding blocks 221 are uniformly arranged in the second sliding slot 22, a first limiting slot 222 and a second limiting slot 223 are respectively arranged on two sides of the guiding block 221, four first limiting slots 222 and four second limiting slots 223 are axially symmetric, four first sliding blocks 421 are uniformly arranged on the outer wall of the rotating shaft 42, the four first sliding blocks 421 can slide back and forth in the first limiting grooves 222, the depth of the second limiting grooves 223 is smaller than the thickness of the first sliding blocks 421, eight second sliding blocks 431 are uniformly arranged on the outer wall of the push rod 43, the eight second sliding blocks 431 can slide in the first limiting grooves 222 and the second limiting grooves 223 at intervals respectively, eight limiting teeth 432 are uniformly arranged on the front end surface of the push rod 43, the distances from the tooth tips of the limiting teeth 432 to the left wall and the right wall of the corresponding second sliding blocks 431 are equal, guide inclined planes 4211 which are matched with each other are arranged at the front end of the guide block 221 and the rear end of the second sliding blocks 431 respectively, the guide inclined planes 4211 and the limiting teeth 432 are matched with each other, a limiting column 422 is arranged at the rear end of the rotating shaft 42, and the limiting column 422 is inserted into the inner cavity of the push rod 43.

Referring to fig. 2, 3 and 4, the second clamping block 32 includes a connecting rod 321 fixedly connected to the supporting rod 41, the front end of the insulating operation rod 2 is provided with a limit ring 211 turning up into the first limit groove 222, the connecting rod 321 can slide back and forth in the limiting ring 211, the cross sections of the connecting rod 321 and the limiting ring 211 are rectangular, the front end surface of the rotating shaft 42 is provided with a mounting hole 423 which is recessed backwards, the rear end surface of the supporting rod 41 extends into the mounting hole 423, the outer wall of the supporting rod 41 is provided with a sliding rod 411, the sliding rod 411 is connected with the first sliding groove 21 in a sliding way, the outer wall of the connecting rod 321 is provided with a spring 322, the front end and the rear end of the spring 322 are respectively abutted against the rear end face of the limiting ring 211 and fixedly connected with the front end face of the sliding rod 411, and the lower end of the second clamping block 32 is provided with a limiting block 324 protruding forwards.

The implementation mode of the reliable high-voltage grounding wire provided by the embodiment of the utility model is as follows:

the push rod 43 is pushed forward, the distance from the tooth tip of the limit tooth 432 to the corresponding left and right walls of the second slider 431 is equal, so that when the first slider 421 slides in the first sliding slot 21, only part of the guide inclined surface 4211 of the first slider 421 abuts against the tooth surface of the limit tooth 432, when the first slider 421 moves forward and is completely separated from the guide inclined surface 4211 of the guide block 221, the first slider 421 moves backward under the thrust of the spring 322, rotates by a certain angle until being completely clamped into the limit tooth 432, further, the spring 322 continues to restore to deform, so that the slide rod 411 is pushed to move backward, the support rod 41 is driven to move backward, and because the rotary shaft 42 rotates by a certain angle, a part of the guide inclined surface 4211 of the first slider 421 corresponds to a part of the guide inclined surface 4211 of the guide block 221, therefore, under the guidance of the guide inclined plane 4211 of the guide block 221, the rotating shaft 42 rotates again until the first slider 421 is clamped into the front end of the second limiting groove 223, and because the depth of the second limiting groove 223 is smaller than the thickness of the first slider 421, the first slider 421 is supported by the front end of the second limiting groove 223, so that the position of the rotating shaft 42 in the insulating operating rod 2 moves forward by one end distance, and the second clamping block 32 is pushed to move forward, so that the first clamping block 311 and the second clamping block 32 are matched with each other to tightly clamp the wire clamp 3, and the wires with different diameters can be clamped into the corresponding front and rear semicircular grooves 323 through the corresponding semicircular grooves 323 of the first clamping block 311 and the second clamping block 32, thereby effectively solving the problem of falling or wire clamping caused by unmatched wires of the wire clamp 3 of the grounding wire and the wires due to different wire diameters.

The utility model is described above with reference to the accompanying drawings, it is obvious that the utility model is not limited to the above-described embodiments, and it is within the scope of the utility model to adopt such insubstantial modifications of the inventive method concept and solution, or to apply the inventive concept and solution directly to other applications without modification.

Claims (7)

1. A reliable high-voltage grounding wire is characterized in that: comprises an insulating operating rod (2) and a wire clamp (3);

the wire clamp (3) comprises a fixed end (31) and a second clamping block (32), one end of the fixed end (31) is fixedly installed on the outer wall of the insulating operating rod (2), the fixed end (31) is U-shaped, a first clamping block (311) is fixedly arranged in the middle of the fixed end (31), the second clamping block (32) is movably installed at the front end of the insulating operating rod (2), a pushing device (4) used for pushing the second clamping block (32) to move back and forth is arranged in the insulating operating rod (2), and corresponding semicircular grooves (323) are respectively formed in the sides, close to each other, of the first clamping block (311) and the second clamping block (32) in a front-back symmetrical mode.

2. A reliable high voltage ground wire according to claim 1, characterized in that: the pushing device (4) comprises a supporting rod (41), a rotating shaft (42) and a pushing rod (43) which are sequentially arranged from front to back, a first sliding groove (21) and a second sliding groove (22) are sequentially arranged in the insulating operating rod (2) from front to back, the supporting rod (41) can slide in the first sliding groove (21) front and back, the rotating shaft (42) and the pushing rod (43) can slide in the second sliding groove (22) front and back, a second clamping block (32) is arranged on the supporting rod (41) to stretch out the front end surface of the insulating operating rod (2), one end of the pushing rod (43) stretches out the rear end surface of the insulating operating rod (2), eight guide blocks (221) are uniformly arranged in the second sliding groove (22), a first limiting groove (222) and a second limiting groove (223) are respectively arranged on two sides of each guide block (221), and the first limiting groove (222) and the second limiting groove (223) are axisymmetric, four first sliding blocks (421) are uniformly arranged on the outer wall of the rotating shaft (42), the four first sliding blocks (421) can slide back and forth in the first limiting groove (222), the depth of the second limit groove (223) is smaller than the thickness of the first sliding block (421), eight second sliding blocks (431) are uniformly arranged on the outer wall of the push rod (43), the eight second sliding blocks (431) can respectively slide in the first limiting groove (222) and the second limiting groove (223) which are arranged at intervals, eight limiting teeth (432) are uniformly arranged on the front end surface of the push rod (43), the distances from the tooth tips of the limiting teeth (432) to the left wall and the right wall of the corresponding second sliding block (431) are equal, the front end of the guide block (221) and the rear end of the second sliding block (431) are respectively provided with a guide inclined plane (4211) which is matched with each other, and the guide inclined plane (4211) is matched with the limiting tooth (432).

3. A reliable high voltage ground wire according to claim 2, characterized in that: the rear end of the rotating shaft (42) is provided with a limiting column (422), and the limiting column (422) is inserted into the inner cavity of the push rod (43).

4. A reliable high voltage ground wire according to claim 2, characterized in that: the second clamping block (32) comprises a connecting rod (321) fixedly connected with the supporting rod (41), a limiting ring (211) which is turned up in the first limiting groove (222) is arranged at the front end of the insulating operating rod (2), the connecting rod (321) can slide back and forth in the limiting ring (211), and the cross sections of the connecting rod (321) and the limiting ring (211) are rectangular.

5. A reliable high-voltage grounding wire according to claim 4, characterized in that: the preceding terminal surface of pivot (42) is equipped with mounting hole (423) of recess backward, the rear end face of bracing piece (41) stretches into in mounting hole (423), the outer wall of bracing piece (41) is equipped with slide bar (411), slide bar (411) with first spout (21) sliding connection.

6. A reliable high voltage ground wire according to claim 5, characterized in that: the outer wall of connecting rod (321) is equipped with spring (322), the front and back both ends of spring (322) respectively with the rear end face butt of spacing ring (211) with the preceding terminal surface fixed connection of slide bar (411).

7. A reliable high voltage ground wire according to claim 1, characterized in that: the lower end of the second clamping block (32) is provided with a limiting block (324) protruding forwards.

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