CN105048132A - High voltage grounding wire apparatus - Google Patents

Abstract

The invention discloses a high-voltage grounding wire device, which comprises an insulating operating rod, a wire end clip and an electric connecting clip connected to the circumferential limit of the wire end clip, the wire end clip is fixedly connected with the insulating operating rod, and the insulating operating rod is hollow , and an insulating operating handle axially limited along the insulating operating rod is arranged in the middle, and the operating handle is threadedly connected with the connecting clip. When working, by turning the insulated operating handle, the connecting clamp connected with the screw thread moves in the axial direction, that is, the distance between the connecting clamp and the wire end clamp can be adjusted, so as to realize the clamping and releasing of the wire. Fix the wire end clamp and the insulating operating rod together, and use the insulating operating handle in the middle of the insulating operating rod to realize the drive of the docking clamp, which can ensure that the insulating operating rod and the wire end clamp are fixed, thereby preventing the occurrence of the wire end clamp The problem of loose fixing of the wire or the ground wire caused by rotation ensures the reliability of power supply and reduces potential safety hazards.

Description

A high voltage grounding wire device

technical field

The invention relates to the technical field of electric equipment, and more specifically, relates to a high-voltage grounding wire device.

Background technique

With the increasing scale of the power grid, the number of substations has increased, and the daily switching operations in the substations have also continued to increase. The safety and timeliness of installing and disassembling the grounding wire have become increasingly prominent.

The high-voltage grounding wire is used in the construction of lines and substations, and is used to prevent electrostatic induction electric shocks near electrified bodies or to ensure safety when closing the switch by mistake.

At present, the portable high-voltage grounding wire device in the substation includes: wire end clamp, connecting clamp, insulating operating rod, short-circuit wire and grounding wire, wherein, the conducting wire end clamp is connected with the insulating operating rod through threads, and the connecting clamp is fixed on Insulate the end of the operating rod. When in use, first fix one end of the construction grounding wire on the grounding body with bolts, and then open the gap between the wire end clamp and the connection clamp by rotating the insulating operating lever, and the operator lifts the grounding wire through the insulating operating lever to make the wire end clamp and the contact Align the wires or overhead ground wires to be grounded between the racks, and then rotate the insulating operating lever in the opposite direction to clamp the wires or ground wires.

However, the operation mode of the above-mentioned grounding wire is that the insulating operating lever easily drives the wire end clamp to rotate together during the fastening process, so that the fixing of the wire or the grounding wire is not firm, which brings a major hidden danger to the switching operation and affects This affects the reliability of power supply, and even endangers the safety of personal and equipment operation.

Therefore, how to improve the reliability of attaching and disassembling the ground wire has become an important issue to be solved urgently.

Contents of the invention

In view of this, the present invention provides a high-voltage grounding wire device with high reliability of assembling and disassembling the grounding wire.

To achieve the above object, the present invention provides the following technical solutions:

A high-voltage grounding wire device, including an insulating operating rod, a wire end clamp, and an electrical connecting clamp that is clamped with the circumferential limit of the wire end clamp, wherein the wire end clamp is fixedly connected to the insulating operating rod, and the insulating The operating rod is hollow, and an insulated operating handle axially limited along the insulating operating rod is arranged in the middle, and the operating handle is threadedly connected to the connecting clip.

Preferably, in the above-mentioned high-voltage grounding wire device, the end of the insulating operating handle away from the connecting clip is provided with a limiting boss capable of abutting against the insulating operating rod.

Preferably, in the above-mentioned high-voltage grounding wire device, the insulated operating handle is engaged with the inner wall of the insulated operating rod through an annular locking groove.

Preferably, in the above-mentioned high-voltage grounding wire device, the connection clip is slidably engaged with the wire terminal clip.

It can be seen from the above-mentioned technical solutions that the present invention discloses a high-voltage grounding wire device, which includes an insulating operating rod, a wire end clamp, and an electrical connection clip that is snapped in a circumferential limit of the wire end clamp, wherein the wire end clamp is connected to the insulation operation The rods are fixedly connected, the insulating operating rod is hollow, and an insulating operating handle is arranged in the middle along the axial limit of the insulating operating rod, and the operating handle is threadedly connected with the connecting clip. When working, by turning the insulated operating handle, the connecting clip connected with the screw thread moves in the axial direction, that is, the adjustment of the distance between the connecting clip and the wire end clip is realized, so as to realize the clamping and releasing of the wire. In this application, the wire end clamp and the insulating operating rod are fixed together, and the insulating operating handle in the middle of the insulating operating rod is used to realize the drive of the docking clamp, which can ensure that the insulating operating rod is fixed, and at the same time ensure the fixing of the wire end clamp In this way, the problem of loose fixing of the wire or the ground wire caused by the rotation of the wire end clamp is prevented, the reliability of the power supply is ensured, and the potential safety hazard is reduced.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can also obtain other drawings according to the provided drawings without creative work.

Fig. 1 is a schematic structural diagram of a high-voltage grounding wire device provided by an embodiment of the present invention.

Detailed ways

The core of the present invention is to provide a high-voltage grounding wire device with high reliability of assembling and disassembling the grounding wire.

The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

As shown in Figure 1, the present invention discloses a high-voltage grounding wire device, which includes an insulating operating rod 3, a wire end clamp 1, and an electrical connection clamp 2 that is clamped in a circumferential limit with the wire end clamp 1, wherein the wire end clamp 1 is fixedly connected with the insulating operating rod 3, the insulating operating rod 3 is hollow, and an insulating operating handle 4 is arranged in the middle along the axial limit of the insulating operating rod 3, and the insulating operating handle 4 is connected with the connecting clip 2 through threads. When working, by turning the insulated operating handle 4, the connecting clamp 2 connected with it through the thread moves in the axial direction, that is, the adjustment of the distance between the connecting clamp 2 and the wire end clamp 1 is realized, so as to realize the clamping and freed. In this application, the wire end clamp 1 and the insulating operating rod 3 are fixed together, and the insulating operating handle 4 in the middle of the insulating operating rod 3 is used to drive the docking clamp 2, which can ensure that the insulating operating rod 3 is fixed and at the same time This ensures the fixing of the wire end clamp 1, thereby preventing the problem of loose fixing of the wire or ground wire caused by the rotation of the wire end clamp 1, ensuring the reliability of power supply and reducing potential safety hazards.

In a specific embodiment, the end of the above-mentioned insulating operating handle 4 away from the connecting clip 2 is provided with a limiting boss 5 capable of abutting against the insulating operating rod 3 . The position limitation of the insulating operating rod 3 to the insulating operating handle 4 is realized by the offsetting of the limiting boss 5 and the insulating operating rod 3 , so that the insulating operating handle 4 can only rotate in the insulating operating rod 3 and cannot move axially. When working, the insulating operating handle 4 rotates in the insulating operating rod 3, so that the connecting clamp 2 screwed with the insulating operating handle 4 moves in the axial direction, thereby realizing the adjustment of the distance between the connecting clamp 2 and the insulating operating handle 4.

In practice, the insulated operating rod 3 and the insulated operating handle 4 can also be limitedly connected through the chute, as long as the axial limit of the insulated operating handle 4 can be realized, all methods are within the scope of protection.

In a further embodiment, the insulating operating handle 4 is engaged with the inner wall of the insulating operating rod 3 through an annular locking groove. One side of the platform 5 is provided with an annular slot, so that the insulated operating handle 4 can only realize circumferential rotation. The shape of the ring-shaped slot can be a rectangular slot, or a wedge-shaped slot with an apex.

On the basis of the above technical solution, the connection clamp 2 of the high-voltage grounding wire device disclosed in this application is slidably clamped on the wire terminal clamp 1 . Specifically, the wire terminal clamp 1 has a slideway, which can be a protrusion, and the connection clip 1 has a slideway, and the slideway cooperates with the slideway so that the slideway can slide along the slideway. This method has a simple structure and is convenient for processing.

Each embodiment in this specification is described in a progressive manner, each embodiment focuses on the difference from other embodiments, and the same and similar parts of each embodiment can be referred to each other.

The above description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the general principles defined herein may be implemented in other embodiments without departing from the spirit or scope of the invention. Therefore, the present invention will not be limited to the embodiments shown herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims (4)

1. a high-voltage earthing line apparatus, comprise insulating bar (3), conductor wire end wire clamp (1) and press from both sides (2) with the electricity that connects of the circumferential spacing clamping of described conductor wire end wire clamp (1), it is characterized in that, described conductor wire end wire clamp (1) and insulating bar (3) are fixedly linked, described insulating bar (3) hollow, and centre is provided with the insulation operating grip (4) along described insulating bar (3) axial limiting, described operating grip (4) presss from both sides (2) be threaded connection with the described electricity that connects.

2. high-voltage earthing line apparatus according to claim 1, it is characterized in that, described insulation operating grip (4) is provided with the positive stop lug boss (5) that can offset with described insulating bar (3) away from described one end connecing electricity folder (2).

3. high-voltage earthing line apparatus according to claim 1, is characterized in that, described insulation operating grip (4) passes through annular slot clamping with the inwall of described insulating bar (3).

4. the high-voltage earthing line apparatus according to any one of claim 1-3, is characterized in that, described in connect electricity folder (2) be slidably connected on described conductor wire end wire clamp (1).