CN223109638U

CN223109638U - Insulated drain wire auxiliary clamp

Info

Publication number: CN223109638U
Application number: CN202421665686.1U
Authority: CN
Inventors: 张作盛; 祁鸣; 马建; 朱方方; 徐涛; 陈卓然; 童中宇; 李姚; 黄云龙; 程辰
Original assignee: Hefei Power Supply Co of State Grid Anhui Electric Power Co Ltd
Current assignee: Hefei Power Supply Co of State Grid Anhui Electric Power Co Ltd
Priority date: 2024-07-15
Filing date: 2024-07-15
Publication date: 2025-07-15
Anticipated expiration: 2034-07-15

Abstract

The utility model discloses an auxiliary wire clamp for an insulated drain line, which is located between the insulated drain line and the cable end, and includes a U-shaped frame, a clamping plate is installed in the corresponding inner groove of the U-shaped frame, a threaded rod is installed on the side wall corresponding to one side of the U-shaped frame, and is used to drive the clamping plate to move or approach the other side wall of the U-shaped frame, and the side wall of the U-shaped frame has a through hole for the threaded rod to pass through, and the threaded rod cooperates with the thread of the through hole, and a handle is vertically fixed on the other end of the threaded rod. It can clamp both round wires and rectangular copper-aluminum equipment wire clamps, and is reliably connected to the insulated drain line through a rotating rod, anti-drop caps are installed on both sides of the rotating handle of the connecting device, and patterns are added to the clamp, which further improves the connection reliability between the device and the live equipment and ensures the safety of the operation.

Description

Auxiliary wire clamp for insulating drainage wire

Technical Field

The utility model belongs to the technical field of power equipment, and particularly relates to an auxiliary wire clamp of an insulating drainage wire.

Background

When the live breaking and no-load cable lead connection work is carried out, a rectangular copper-aluminum equipment wire clamp is adopted for a plurality of 10kV cable terminal leads. When the insulating drainage wire is adopted to construct a parallel circuit of the cable capacitance current, the tail end of the drainage wire is an arc-shaped opening, so that the drainage wire cannot be reliably connected with the equipment wire clamp, and only the insulating wire can be peeled for installing the drainage wire, one operation can be performed for more than 1 half hour, and the operation efficiency is seriously influenced.

In order to solve the problem, an intermediate connecting device is developed, one end of the intermediate connecting device can be connected with an equipment wire clamp, and the other end of the intermediate connecting device can be reliably connected with an arc-shaped insulating drainage wire. Team members are inspired from the wire clamp of the grounding wire which can be frequently seen in daily work, so that the wire clamp is improved, the middle of the wire clamp is made into a circular arc shape, and two sides of the wire clamp are made into a flat plate shape, so that the wire clamp can be suitable for a copper nose and a device wire clamp. Therefore, the labor capacity of the operator for peeling can be reduced, and the uninterrupted operation efficiency and the safety level are improved.

Disclosure of utility model

The utility model aims to provide an insulating drainage wire auxiliary wire clamp, reduce the labor amount of peeling by operators and improve the uninterrupted operation efficiency and the safety level.

In order to solve the technical problems, the utility model is realized by the following technical scheme:

An auxiliary wire clamp of the insulated drainage wire is positioned between the insulated drainage wire and the cable end,

The end part of the insulation drainage wire is of an arc-shaped structure and is provided with a wiring hole;

The cable end is provided with a copper-aluminum equipment wire clamp for connection;

the clamping plate is arranged in the U-shaped frame corresponding to the inner groove, a threaded rod is arranged on the side wall of one side of the U-shaped frame corresponding to the U-shaped frame and used for driving the clamping plate to move or to be close to the side wall of the other side of the U-shaped frame, a through hole for the threaded rod to pass through is formed in the side wall of the U-shaped frame, the threaded rod is in threaded fit with the through hole, and one end of the threaded rod is rotatably connected to the central position of the clamping plate;

the other end of the threaded rod is vertically fixed with a handle.

Further, a connecting part is arranged between the side walls of the two sides corresponding to the U-shaped frame, a convex sliding rail is formed at the part of the connecting part corresponding to the inner groove, and a sliding groove is formed at one side of the clamping plate corresponding to the sliding rail.

Further, a threaded sleeve is arranged at the position of the side wall of the single side of the U-shaped frame, corresponding to the through hole, and is sleeved and fixed on the through hole and used for being matched with the threaded rod in a threaded mode.

Further, the U-shaped frame is provided with an arc-shaped groove corresponding to the side wall matched with the clamping plate, and the arc-shaped groove is formed by inward arc-shaped sinking of the U-shaped frame corresponding to the inner groove part.

Further, an anti-drop cap is arranged at the end part of the handle, the anti-drop cap is spherical, a jack for inserting the end part of the handle is formed in the anti-drop cap, and the jack is in threaded fit with the handle.

Further, the clamping plate is provided with sawtooth patterns corresponding to the clamping sides.

The utility model has the following beneficial effects:

1. The novel uninterrupted operation connecting device is designed, not only can clamp round wires, but also can clamp rectangular copper-aluminum equipment clamps, and is reliably connected with an insulating drainage wire through a rotating rod.

2. The anti-drop caps are additionally arranged on the two sides of the rotating handle of the connecting device, lines are further added on the clamp, the connection reliability of the connecting device and the electrified equipment is further improved, and the operation safety is ensured.

Drawings

In order to more clearly illustrate the technical solution of the embodiments of the present utility model, the drawings used for describing the embodiments will be briefly described below.

FIG. 1 is a schematic diagram of the structure of the utility model.

FIG. 2 is a schematic view of the structure of the utility model in the installed and used state.

FIG. 3 is a schematic view of the structure of the utility model in a disassembled state.

In the drawing, the list of the parts represented by the reference numerals is as follows, namely an insulation drainage wire 5, a copper-aluminum equipment wire clamp 4, a U-shaped frame 1, a clamping plate 2, a threaded rod 31, a handle 3, a sliding rail 11, a sliding groove 21, a threaded sleeve 12, an arc-shaped groove 13, an anti-falling cap 32 and an insertion hole 33.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

As shown in figures 1-3, the auxiliary wire clamp of the insulated drainage wire is positioned between the insulated drainage wire 5 and the cable end, the end part of the insulated drainage wire 5 is of an arc-shaped structure and is provided with a wiring hole, and the section of the auxiliary wire clamp is a round perforation.

The cable end is provided with a copper-aluminum equipment wire clamp 4 for connection, one end of the copper-aluminum equipment wire clamp is provided with a clamping piece for fixing the bare cable end, and the other end of the copper-aluminum equipment wire clamp is a rectangular copper sheet compound end.

The U-shaped frame comprises a U-shaped frame 1, the same approximately 匚 -shaped structure is adopted, one side is an opening side, a clamping plate 2 is installed in an inner groove corresponding to the U-shaped frame 1, a threaded rod 31 is installed on the side wall of the side corresponding to the U-shaped frame 1 and used for driving the clamping plate 2 to move or to be close to the side wall of the other side of the U-shaped frame 1, a through hole for the threaded rod to pass through is formed in the side wall of the U-shaped frame 1, the threaded rod 31 is in threaded fit with the through hole, one end of the threaded rod 31 is rotatably connected to the central position of the clamping plate 2, the clamping plate is driven by the rotating threaded rod to move along the side wall of the U-shaped frame to the side wall of the other side, the side wall of the U-shaped frame serves as a fixed clamping arm, the clamping plate serves as a movable clamping arm, and the middle serves as a clamping groove for placing a rectangular end corresponding to a copper aluminum equipment wire clamp.

The other end of the threaded rod 31 is vertically fixed with a handle 3. The handle is not only used for rotating the threaded rod, but also used as a wiring terminal of the insulation drainage wire, the cross section of the handle is a circular rod body, and the handle can be just inserted into a circular wiring hole corresponding to the insulation drainage wire.

1. Before operation, the auxiliary wire clamp is reliably connected with the cable terminal, and the clamping head is connected with the copper nose or the copper-aluminum equipment wire clamp;

2. After the auxiliary wire clamp is firmly connected, the insulation drainage wire is reliably connected with the rotary handle, and then insulation shielding is carried out on the connection part;

3. Connecting the other end of the insulated drainage wire with an arc extinction switch, and then completing the work of breaking and connecting the empty-load cable lead according to the operation steps;

4. Pulling the arc suppression switch open, firstly removing the insulation drainage wire to be connected with the arc suppression switch, and then removing the insulation drainage wire to be connected with the auxiliary wire clamp;

5. And (5) removing the auxiliary wire clamp.

As shown in fig. 3, a connecting part is arranged between the side walls of the two sides of the U-shaped frame 1, the connecting part forms a convex slide rail 11 corresponding to the inner groove part, and one side of the clamping plate 2 corresponding to the slide rail 11 is provided with a slide groove 21. When the clamping plate is used for rotating the threaded rod, the clamping plate is driven to move transversely and stably. The threaded sleeve 12 is arranged at the position of the single side wall of the U-shaped frame 1 corresponding to the through hole, and the threaded sleeve 12 is sleeved and fixed on the through hole and is used for being matched with the threaded rod 31 in a threaded manner. The U-shaped frame 1 is provided with an arc-shaped groove 13 corresponding to the side wall matched with the clamping plate 2, and the arc-shaped groove 13 is formed by inward arc-shaped recession of the part of the U-shaped frame corresponding to the inner groove. A wiring for cable end copper nose is because copper nose is cylindric structure, and the centre gripping that the arc wall can be better is stable. The end part of the handle 3 is provided with an anti-drop cap 32, the anti-drop cap 32 is spherical, the anti-drop cap 32 is provided with a jack 33 inserted into the end part of the handle 3, and the jack 33 is in threaded fit with the handle 3. The anti-falling cap is a sphere made of insulating materials and is used for preventing the insulating drainage wire from falling off. The clamping plate 2 has sawtooth patterns corresponding to the clamping sides. The friction force is improved, and the copper-aluminum equipment wire clamp is prevented from falling off.

The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, to thereby enable others skilled in the art to best understand and utilize the utility model.

Claims

1. The auxiliary wire clamp of the insulating drainage wire is positioned between the insulating drainage wire (5) and the cable end, and is characterized in that:

the end part of the insulation drainage wire (5) is of an arc-shaped structure and is provided with a wiring hole;

The cable end is provided with a copper-aluminum equipment wire clamp (4) for connection;

The clamping device comprises a U-shaped frame (1), wherein a clamping plate (2) is arranged in an inner groove corresponding to the U-shaped frame (1), a threaded rod (31) is arranged on the side wall of one side corresponding to the U-shaped frame (1) and used for driving the clamping plate (2) to move or to be close to the side wall of the other side of the U-shaped frame (1), a through hole for the threaded rod to pass through is formed in the side wall of the U-shaped frame (1), the threaded rod (31) is in threaded fit with the through hole, and one end of the threaded rod (31) is rotationally connected to the central position of the clamping plate (2);

The other end of the threaded rod (31) is vertically fixed with a handle (3).

2. The auxiliary wire clamp for the insulated drainage wire according to claim 1, wherein a connecting part is arranged between the side walls of the two corresponding sides of the U-shaped frame (1), the connecting part is provided with a protruding sliding rail (11) corresponding to the inner groove part, and one side of the clamping plate (2) corresponding to the sliding rail (11) is provided with a sliding groove (21).

3. The auxiliary wire clamp for the insulated drainage wire according to claim 1, wherein a threaded sleeve (12) is arranged on the side wall of the single side of the U-shaped frame (1) at a position corresponding to the through hole, and the threaded sleeve (12) is sleeved and fixed on the through hole and is used for being in threaded fit with a threaded rod (31).

4. The insulated drain wire auxiliary wire clamp according to claim 1, wherein the side wall of the U-shaped frame (1) corresponding to the clamping plate (2) is provided with an arc-shaped groove (13), and the arc-shaped groove (13) is formed by inward arc-shaped sinking of the part of the U-shaped frame corresponding to the inner groove.

5. The auxiliary wire clamp for the insulated drainage wire according to claim 1, wherein an anti-drop cap (32) is arranged at the end part of the handle (3), the anti-drop cap (32) is spherical, a jack (33) inserted into the end part of the handle (3) is formed in the anti-drop cap (32), and the jack (33) is in threaded fit with the handle (3).

6. The insulated drain wire auxiliary wire clamp according to claim 1, wherein the clamping plate (2) is provided with sawtooth patterns on the corresponding clamping side.