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Vertical double-hanging clamp

A technology of double elevators and fixtures, applied in the direction of overhead line/cable equipment, etc., can solve the problems of increased risk factor, deformation of tower materials, and uneven force on tower materials on both sides, so as to reduce risks, reduce operating time, reduce The effect of risk of personal injury

Inactive Publication Date: 2015-12-23
YUNNAN POWER GRID CO LTD PUER POWER SUPPLY BUREAU
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Among the existing tools for replacing linear insulators whose cross-arm tower material is non-water-holding material (angle steel facing downwards), self-developed dual-purpose linear hook clamps are usually used, but such clamps have a process of tightening the screw rod The stress on both sides of the tower will be uneven, and the tower will be deformed, which will greatly increase the risk factor of this work.

Method used

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Embodiment Construction

[0019] See figure 1 , Fig. 2, vertical double elevators, the present invention is characterized in that it includes two cross-arm angle steel clamps 2, two sets of screw rods 1 connected to the cross-arm angle steel clamps 2 respectively, and two sets of cross-arm angle steel clamps 2 in the middle The balance rod 3 connected with it; wherein, the screw 1 is screwed in through the screw threaded hole 2.1 on the cross-arm angle steel clamp 2; the balance rod 3 includes a vertical rod 3.1 located in the center and a fixed connection with the vertical rod 3.1 The crossbar 3.2 has bolt connection holes 3.3 on both sides of the crossbar 3.2, and the bolts 4 are respectively inserted into the bolt connection holes 3.3 and the bolt holes 2.2 opened on the crossarm angle steel fixture 2 to balance the two ends of the tie rod 3 crossbar 3.2 Connect with cross-arm angle steel fixture 2.

[0020] The cross-arm angle steel fixture 2 of the present invention includes a rectangular clamp b...

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PUM

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Abstract

A vertical double-hanging clamp is characterized by comprising two symmetrically arranged cross arm angle steel clamping apparatuses (2), two sets of lead screws (1) connected with the cross arm angle steel clamping apparatuses (2) respectively, and a balancing pull rod (3) located in the middle of the two cross arm angle steel clamping apparatuses (2) and connected with the two cross arm angle steel clamping apparatuses (2). The beneficial effects of the invention are that: the vertical double-hanging clamp enables the whole work to be operated conveniently, effectively balances the tensile forces generated by tightening the lead screws to thereby not enable the tower materials to deform, enables the personal injury risk during the tightening process to be reduced effectively, does not need the help of other tools when being installed, can be installed rapidly during the installation process, and enables the working risk to be reduced.

Description

technical field [0001] The invention belongs to electric equipment maintenance tools, in particular to the replacement of linear insulator strings and the installation tool structure when the cross-arm angle steel of 110kV and above transmission lines faces downward. Background technique [0002] The insulator is a special insulation control. The insulator plays two basic functions in the overhead transmission line, that is, supporting the wire and preventing the current from returning to the ground. These two functions must be guaranteed. The insulator should not change due to environmental and electrical load conditions. Otherwise, the insulator will not have a significant effect, and it will damage the service life and operating life of the entire line. During the operation of the transmission line, due to external damage, lightning, pollution flashover and other reasons, the insulator self-exploded or lost its insulation function. In order to ensure the safe operation of...

Claims

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Application Information

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IPC IPC(8): H02G1/02
Inventor 俸世荣曹博文许章斌段超崔红军刘芮雷铭张涛
Owner YUNNAN POWER GRID CO LTD PUER POWER SUPPLY BUREAU
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