Strain-resistant tower drainage plate bolt tightener

A technology of plate bolts and fasteners, which is applied in the field of tension tower drainage plate bolt fasteners, which can solve problems such as high risk, personal casualties, and easy breakage

Inactive Publication Date: 2014-12-24
STATE GRID CORP OF CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The current fastening method is mainly the equipotential operation method. The operator climbs the insulating ladder and enters the strong electric field suspension or volt line operation.
In the process of pers...

Method used

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  • Strain-resistant tower drainage plate bolt tightener
  • Strain-resistant tower drainage plate bolt tightener
  • Strain-resistant tower drainage plate bolt tightener

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0013] Example: such as figure 1 , figure 2 As shown, the bolt tightener of the strain tower diversion plate has a slender insulating rod 1, the front end of the insulating rod 1 is hinged to a connecting rod 4 through a rotating shaft, and the other end of the connecting rod 4 is fixedly connected with the sleeve wrench 5 , Sleeve wrench 5 cooperates with the end cap and the nut of the drain plate bolt.

[0014] For the insulating rod 1 with low strength, a plate joint 2 of high-strength material can be installed at the front end of the joint 2. The front end of the joint 2 is provided with a shaft sleeve 6, and the shaft sleeve 6 is rotatably connected with the rotating shaft 3. The other end of the rotating shaft 3 It is rotatably connected with the shaft sleeve 6 at one end of the connecting rod 4 .

[0015] When working, the operator can image 3 As shown, stand on the cross arm of the pole tower, extend the insulating rod 1, clamp the casing wrench 5 at the front end...

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Abstract

The invention relates to an electrical installation tool, namely a strain-resistant tower drainage plate bolt tightener. The strain-resistant tower drainage plate bolt tightener is characterized in that a long and thin insulating rod (1) is arranged, a connecting rod (4) is hinged to the front end of the insulating rod (1) through a rotary shaft (3), the other end of the connecting rod (4) is fixedly connected with a socket wrench (5), and the socket wrench (5) is matched with an end cap of a drainage plate bolt and a nut. The strain-resistant tower drainage plate bolt tightener has the advantages that a maintainer can complete the drainage plate bolt tightening operation by holding the insulating rod by hand, buckling the socket wrench to the end of the drainage plate bolt and then pushing and pulling the insulating rod, so that high risk operation such as climbing and hanging is avoided, safety is achieved, labor is saved, and hot line work can be carried out. The strain-resistant tower drainage plate bolt tightener has the advantages of being simple in structure, low in manufacturing cost, convenient to carry and operate, low in requirement for operation conditions and the like and is expected to become a necessary tool in the industry.

Description

technical field [0001] The invention relates to an electric installation tool, that is, a bolt tightener for a diversion plate of a tension tower. Background technique [0002] The drainage line of the 220kV strain tower is connected to the main line through the drainage plate and bolts. The swaying of the line will cause the bolts to loosen, causing the drain plate to overheat and ablate or even fall off. For this reason, the line maintenance regulations stipulate that the bolts of the drainage plate of the strain tower must be tightened during line maintenance. The current fastening method is mainly the equipotential operation method. The operator climbs the insulating ladder to enter the strong electric field suspension or volt line operation, which is time-consuming, laborious, and extremely risky. In the process of personnel climbing, the wire is both pulled downwards and increases the swing range. When the drainage plate is overheated or about to fall off, it is more...

Claims

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Application Information

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IPC IPC(8): H02G1/02B25B13/48
Inventor 冯振华蔡英权朱汉章胡树声刘金峰包春生
Owner STATE GRID CORP OF CHINA
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