A tool for live replacement of a suspension insulator and its operating method

A technology for pendant insulators and live replacement, applied in overhead lines/cable equipment, etc., can solve the problems of cumbersome operation process, repeated operation, sliding on the hook transmission line, single action point, etc., to achieve effective coordination of rotation efficiency, convenient improvement and stability The effect of limit and easy operation

Active Publication Date: 2017-01-11
LUOHE POWER SUPPLY OF HENAN ELECTRIC POWER CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

During this operation, the ground personnel are required to cooperate with the pull rope accurately. The whole operation process is cumbersome and repeated. The operators on the pole and the ground operators have to constantly shout and adjust the position of the insulator. The operation time is long, the efficiency is low, and the difficulty is great; and because The hook acts on the transmission line with a single point of action. During the process of replacing the insulator, it is very easy for the hook to slide on the transmission line, which poses a safety hazard

Method used

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  • A tool for live replacement of a suspension insulator and its operating method
  • A tool for live replacement of a suspension insulator and its operating method
  • A tool for live replacement of a suspension insulator and its operating method

Examples

Experimental program
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Effect test

Embodiment 1

[0028] Such as figure 1 , figure 2 Shown: a tool for replacing a suspension insulator with electricity, including a frame bracket and a telescopic suspension mechanism set on the top of the frame bracket; the frame bracket includes a bottom support plate and a top cross brace 4, The supporting plate and the cross brace are connected by two pairs of insulating connectors 6 with adjustable length.

[0029] Each pair of insulating connectors 6 includes two insulating pull plates 61. The insulating pull plates 61 are elongated insulating plate structures with a number of connecting through holes. The insulating pull plates 61 are placed in the through holes through bolts and used The screw cap is screwed to limit the connection, and the through-hole connection at different positions can be selected according to the needs to realize the length adjustment of the insulating connector; if the length is still not enough, the existing two insulating pull plates can also be connected b...

Embodiment 2

[0033] Such as figure 1 , figure 2 Shown: the difference between this embodiment and embodiment one is:

[0034] The adjusting lead screw 3 includes two sections of an upper lead screw 31 and a lower lead screw 32 fixedly connected with the self-locking hook 1 and the cross brace 4 respectively, and the upper lead screw 31 and the lower lead screw 32 are positive and negative screw structure, the upper lead screw 31 and the lower lead screw 32 are connected through a sleeve 33 with positive and negative screw threads on the inner wall, an adjustment handle 34 is arranged on the sleeve 33, and the top end of the upper lead screw 31 is connected to the The self-locking hook 1 is welded, and the lower end of the lower lead screw 32 is welded with the middle part of the cross brace 4 . By controlling the adjustment handle 34 to rotate the sleeve 33, the upper and lower screw screws can be rotated into the sleeve 33 at the same time, which can effectively improve the lifting eff...

Embodiment 3

[0037] A method for performing live replacement of hanging insulators of a hanging bottle string by using the above-mentioned tool, comprising the following steps:

[0038] 1) Preparation: The operator assembles the above-mentioned tools for live replacement of the suspension insulator in the local area, and reserves one side of the insulating connector 6 for no installation;

[0039] 2) Hoisting: The pole tower operator boards the pole tower to the cross arm above the insulator to be replaced, and uses the transfer rope to transfer the tool for live replacement of the hanging insulator to the cross arm where the insulator is to be replaced. The cross arm operator uses the self-locking hook. The assembled live replacement suspension insulator tool is hung on the cross arm above the insulator to be replaced, and the insulating connector 6 on the side that has been installed is pushed by hand. Put the hammer into the supporting plate, and then connect the insulating connector 6 ...

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Abstract

The invention discloses a tool for live-line replacement of a suspension insulator and a using working method thereof. The tool comprises a frame type bracket and a telescopic suspension mechanism arranged at the top of the frame type bracket. The telescopic suspension mechanism includes an adjusting lead screw and a self-locking hook arranged at the top of the adjusting lead screw. The frame type bracket includes a supporting plate at the bottom and a cross-brace unit at the top; the middle portion of the cross-brace unit is connected with the bottom of the adjusting lead screw; and the supporting plate and the cross-brace unit are connected by two insulating connecting elements with adjustable lengths. According to the invention, the frame type bracket with the telescopic suspension mechanism at the top is used for ground potential live-line suspension insulator replacement of the power transmission line; and the transmission line or weight is supported by the supporting plate, so that the tensile forces of the transmission line and the weight are transferred to the tool from the suspension insulator. Therefore, the cross arm worker can complete the replacement process of the suspension insulator by himself, thereby bringing the great convenience for suspension insulator replacement. Moreover, the tool has advantages of simple structure, high security, stability, and reliability, and high efficiency.

Description

technical field [0001] The invention relates to the technical field of transmission line insulator replacement, in particular to a tool for live replacement of a suspension insulator and an operating method thereof. Background technique [0002] At present, when the ground potential of the transmission line is charged to replace the suspension insulator, the traditional operation method is that the operator on the cross arm first fixes the pulley block on the cross arm, sets a hook on the sliding rope of the pulley block and puts the hook on the transmission line, and pulls it through the cooperation of the ground personnel. Lift the transmission line and the suspension insulator so that the insulator is not affected by the tension of the transmission line, and then the operator on the tower uses the insulation rod to pull out the pin, replace the insulator, and insert the pin, so as to realize the replacement of the suspension insulator. During this operation, the ground pe...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G1/02
Inventor 陈红卫王群营赵永浩狄京元杨留柱
Owner LUOHE POWER SUPPLY OF HENAN ELECTRIC POWER CORP
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