CN210111469U

CN210111469U - Strain clamp device for repairing transmission line

Info

Publication number: CN210111469U
Application number: CN201921145358.8U
Authority: CN
Inventors: 韦荣照; 黄翰理; 熊明远; 尤贞习; 严尔梅
Original assignee: Guizhou Power Grid Co Ltd
Current assignee: Guizhou Power Grid Co Ltd
Priority date: 2019-07-22
Filing date: 2019-07-22
Publication date: 2020-02-21
Anticipated expiration: 2029-07-22

Abstract

The utility model discloses a strain clamp device for repairing transmission line, belonging to the technical field of transmission line devices; it comprises a strain clamp; the drainage wire passes through the strain clamp to be arranged; a jumper board is arranged at the side bottom of the strain clamp; one end of the jumper wire is fixed on the jumper wire plate; the strain clamp is fixed by welding with one end of the jumper plate, which is not provided with the jumper wire; the strain clamp comprises a bottom plate with a cross section of a major arc; a connecting groove is arranged at the top gap part of the bottom plate; the apron passes through the spread groove is installed on the bottom plate, the utility model discloses effectual solved present use bolt appear the circuit easily when fixing the drainage plate blow and the circuit changes the difficulty, influence the problem of normal power supply.

Description

Strain clamp device for repairing transmission line

Technical Field

The utility model relates to a transmission line technical field, concretely relates to strain clamp device is used in transmission line repairment.

Background

At present, it is fixed that the drainage plate of both sides is connected through the bolt often between strain clamp on the transmission line and the wire jumper, the condition that the circuit was blown out in strain clamp department often appears in actual power transmission process, discover its reason of blowing out after the investigation that the bolt of fixed drainage plate can be in the field because reasons such as vibration are not hard up, because the reduction of contact surface and lead to this position resistance increase, arouse a large amount of generating heat easily in the transmission of electricity in-process, then the circuit blows out can appear when serious, and when the repair of circuit damage has appeared, this is the problem that faces at present.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: the utility model provides a strain clamp device is used in transmission line repairment to the problem that the influence normally supplies power is changed to the circuit difficulty of blowing and circuit change appears easily when solving current use bolt and fixing drainage plate.

In order to solve the above problem, the utility model provides a following technical scheme:

a strain clamp device for repairing a power transmission line comprises a strain clamp; the drainage wire passes through the strain clamp to be arranged; a jumper board is arranged at the side bottom of the strain clamp; one end of the jumper wire is fixed on the jumper wire plate; the strain clamp is fixed by welding with one end of the jumper plate, which is not provided with the jumper wire; the strain clamp comprises a bottom plate with a cross section of a major arc; a connecting groove is arranged at the top gap part of the bottom plate; the cover plate is arranged on the bottom plate through the connecting groove.

Preferably, the bottom plate and the cover plate on the strain clamp are fixed by extrusion installation.

Preferably, the jumper board is a hollow circular tube structure, and one end of the jumper wire is detachably inserted into the jumper board for installation.

Furthermore, the jumper board is fixed at the end of the strain clamp, and an included angle between the jumper board and the axis of the strain clamp is an obtuse angle.

Furthermore, a connecting plate is arranged between the jumper wire plate and the strain clamp; the connecting plate is of a flat plate structure, and the included angle between the plane where the connecting plate is located and the axis of the jumper wire plate is 30 degrees.

Preferably, the connecting groove is of a dovetail groove structure; the lower bottom of the cover plate is provided with a dovetail joint matched with the dovetail groove.

The utility model discloses beneficial effect:

the utility model improves the common strain clamp, changes the strain clamp and the jumper wire board which are originally connected by the bolt into the mode of welding connection, and prevents the resistance from generating great change by improving the reliability of the connection, so that the heating is serious; meanwhile, the structure of the strain clamp is improved, and the two arc-shaped plates which are matched with each other are detachably connected, so that the strain clamp can be conveniently disassembled and assembled on the drainage wire, and the problems that the line is easily blown and is difficult to replace when the drainage plate is fixed by using a bolt at present, and normal power supply is influenced are effectively solved; on the other hand, the utility model discloses still have simple structure, processing low cost easily promotes advantages such as implementation.

Drawings

Fig. 1 is a schematic structural view of the present invention in example 1;

FIG. 2 is a right side view of FIG. 1;

fig. 3 is a schematic structural view of the present invention in example 2;

FIG. 4 is a right side view of FIG. 2;

description of reference numerals: 1. strain clamp, 2, drainage wire, 3, jumper bar, 4, jumper wire, 5, connecting plate, 11, bottom plate, 12, spread groove, 13, apron.

Detailed Description

The invention will be further described with reference to the following drawings and specific embodiments:

example 1:

referring to fig. 1, the present embodiment provides a strain clamp device for repairing a power transmission line, which includes a strain clamp 1; the drainage wire 2 passes through the strain clamp 1 to be arranged; a jumper wire plate 3 is arranged at the side bottom of the strain clamp 1; one end of the jumper wire 4 is fixed on the jumper wire board 3; the method is characterized in that: the strain clamp 1 is fixed by welding with one end of the jumper plate 3, which is not provided with the jumper 4; the strain clamp 1 comprises a bottom plate 11 with a major arc cross section; a connecting groove 12 is arranged at the top gap part of the bottom plate 11; the cover plate 13 is mounted on the base plate 11 through the coupling groove 12. In this embodiment, the strain clamp 1 uses an NY series model, and the hollow circular tube is used as the jumper plate 3 matched with the strain clamp 1 for the NY series model in this embodiment, so as to obtain better connection strength in the process of welding the strain clamp and the jumper plate, and make the strain clamp not easily damaged.

The bottom plate 11 and the cover plate 13 on the strain clamp 1 are fixed by extrusion installation. The bottom plate 11 and the cover plate 13 which are installed in an extruding mode are directly pressed without other auxiliary tools in the installation process on the basis that certain connection strength is met.

The jumper wire board 3 is a hollow circular tube structure, and one end of the jumper wire 4 is detachably inserted into the jumper wire board 3 for installation.

The jumper wire board 3 is fixed at the end part of the strain clamp 1, and an included angle between the jumper wire board 3 and the axis of the strain clamp 1 is an obtuse angle. In this embodiment, the jumper plate 3 and the strain clamp 1 are of an integrated structure, so that the processing and the production are convenient.

The connecting groove 12 is of a dovetail groove structure; the bottom of the cover plate 13 is provided with a dovetail joint matched with the dovetail groove. In the present embodiment, the dovetail is not shown.

Example 2

The embodiment provides a strain clamp device for repairing a power transmission line, which comprises a strain clamp 1; the drainage wire 2 passes through the strain clamp 1 to be arranged; a jumper wire plate 3 is arranged at the side bottom of the strain clamp 1; one end of the jumper wire 4 is fixed on the jumper wire board 3; the method is characterized in that: the strain clamp 1 is fixed by welding with one end of the jumper plate 3, which is not provided with the jumper 4; the strain clamp 1 comprises a bottom plate 11 with a major arc cross section; a connecting groove 12 is arranged at the top gap part of the bottom plate 11; the cover plate 13 is mounted on the base plate 11 through the coupling groove 12.

The bottom plate 11 and the cover plate 13 on the strain clamp 1 are fixed by extrusion installation.

A connecting plate 5 is also arranged between the jumper wire plate 3 and the strain clamp 1; the connecting plate 5 is of a flat plate structure, and the included angle between the plane where the connecting plate is located and the axis of the jumper wire plate 3 is 30 degrees. Compared with the embodiment 1, the jumper wire board with the connecting plate 5 and the strain clamp have a certain included angle to prevent the interference between two vertically placed drainage wires.

The connecting groove 12 is of a dovetail groove structure; the bottom of the cover plate 13 is provided with a dovetail joint matched with the dovetail groove.

Claims

1. A strain clamp device for repairing a power transmission line comprises a strain clamp (1); the drainage wire (2) passes through the strain clamp (1) to be arranged; a jumper board (3) is arranged at the side bottom of the strain clamp (1); one end of the jumper wire (4) is fixed on the jumper wire plate (3); the method is characterized in that: the strain clamp (1) is fixed by welding with one end of the jumper plate (3) which is not provided with the jumper (4); the strain clamp (1) comprises a bottom plate (11) with a major arc cross section; a connecting groove (12) is arranged at the notch part at the top part of the bottom plate (11); the cover plate (13) is installed on the bottom plate (11) through the connecting groove (12).

2. The strain clamp device for repairing the transmission line according to claim 1, wherein: the bottom plate (11) and the cover plate (13) on the strain clamp (1) are fixed by extrusion installation.

3. The strain clamp device for repairing the transmission line according to claim 1, wherein: the jumper wire board (3) is of a hollow circular tube structure, and one end of the jumper wire (4) is detachably inserted into the jumper wire board (3) for installation.

4. The strain clamp device for repairing the transmission line according to claim 3, wherein: the jumper board (3) is fixed at the end part of the strain clamp (1), and an included angle between the jumper board (3) and the axis of the strain clamp (1) is an obtuse angle.

5. The strain clamp device for repairing the transmission line according to claim 3, wherein: a connecting plate (5) is also arranged between the jumper wire plate (3) and the strain clamp (1); the connecting plate (5) is of a flat plate structure, and the included angle between the plane where the connecting plate is located and the axis of the jumper wire plate (3) is 30 degrees.

6. The strain clamp device for repairing the transmission line according to claim 1, wherein: the connecting groove (12) is of a dovetail groove structure; the bottom of the cover plate (13) is provided with a dovetail joint matched with the dovetail groove.