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Tension joint plate gripper and its working method

A working method and tension-resistant technology, applied in the direction of overhead lines/cable equipment, etc., can solve the problems of unfixed, standardized and safe connection points, and tension-resistant joints without fixed, standardized and safe connection points, etc. Work efficiency and safety level, the effect of solving randomness and reducing the difficulty of operation

Active Publication Date: 2019-08-16
国网黑龙江省电力有限公司超高压公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the lack of fixed, standardized and safe connection points of the existing tension joints, the present invention provides a gripper for the tension joints, which is installed at the upper and lower ends of the tension joints, which can realize simple , Easy installation and grasp the tension connecting plate, which solves the problem of no fixed, standardized and safe connection point, and achieves the purpose of transferring the tension on the tension insulator string through chain hoists and other traction equipment

Method used

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  • Tension joint plate gripper and its working method
  • Tension joint plate gripper and its working method
  • Tension joint plate gripper and its working method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A gripper with a strain-resistant joint plate, which consists of: a hook body 1, the rear end of the hook body has a connecting hole 2, the elevation of the hook body has a rear oblique locking surface 3, The front end of the hook body body is connected to the hook groove portion, and the hook groove portion includes the front hook side 7 , the hook side top surface 6 , the front vertical hook surface 4 , and the hook groove inner edge 5 .

Embodiment 2

[0028] According to the gripper of the tension joint plate described in Embodiment 1, the gripper of the tension joint plate is a solid steel hook.

Embodiment 3

[0030] According to the working method of the tension joint plate gripper described in embodiment 1 or 2, this comprises the steps:

[0031] Step 1, connect the connecting hole of the hook body body of the gripper of the tension joint plate with the U-shaped ring 19 through the bolt 18, and the said U-shaped ring is connected with the second joint plate 14 through the traction rope 10;

[0032] Step 2: Rotate the side of the hook body connecting the gripper of the tension-resistant board with the U-shaped ring upwards by 25° from the horizontal direction, and align the rear beveled card surface of the gripper of the tension-resistant board, the top surface of the hook side with the resistant The rear inclined surface of the tension joint plate 8 coincides with the front vertical surface, moves from the outside of the tension joint plate to the side of the joint plate, touches the inner edge of the joint plate hook groove and rotates downward about 25°, the gripper is in a horiz...

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PUM

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Abstract

The invention relates to a tension yoke plate handgrip and an operating method thereof. Currently, in integral replacement process of a 500-kilovolt tension insulator string, transferring of tension of the insulator string to outside for realizing relaxation is a necessary first step of an integral replacement process, but the lead side of the existing 500-kilovolt tension insulator string is not provided with a fixed, standard and safe hanging point, and relaxation of a tension yoke plate, a shielding uniforming ring and a lead wire clamp is caused, and furthermore difficulty in replacement of the insulator string increases. The tension yoke plate handgrip comprises a hook body (1) of which the back end is provided with a connecting hole (2). The vertical surface of the hook body is provided with a back bevel snapping surface (3). The front end of the hook body is connected with a hook slot part. The hook slot part comprises a front hook handle (7), a hook handle end surface (6), a front vertical hook surface (4) and a hook slot inner edge (5). The tension yoke plate handgrip is used for electric power maintenance tools.

Description

[0001] Technical field: [0002] The invention relates to an electric power maintenance tool, in particular to a gripper of a strain-resistant joint plate and a working method thereof. [0003] Background technique: [0004] At present, in the overall replacement process of 500 kV tension insulator strings, transferring the tension of the insulator strings to make them loose is a necessary first step in the overall replacement operation process: by hoisting the two ends of the chain hoist or other traction equipment The hook is connected to the iron tower cross arm and the wire side of the insulator string, and the wire is tightened to make the insulator string loose. However, there is no fixed, standardized and safe hanging point on the wire side of the existing 500 kV tension insulator, and it is generally connected casually. On the U-shaped ring that the wire clip is connected with the tension joint plate, the existing tension joint plate does not have a suitable hanging poi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G1/02
CPCH02G1/02
Inventor 姜晓东王国文张春明姜泽谦
Owner 国网黑龙江省电力有限公司超高压公司