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Method for hanging and dismounting insulated flexible ladder by using automatically-hung special tackle

A soft ladder, automatic technology, applied in the direction of overhead line/cable equipment, etc., can solve the problems of equipment damage, easy to wear and break rope, no locking device, etc.

Active Publication Date: 2014-06-11
STATE GRID CORP OF CHINA +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Somersault blocks currently used are not easy to remove and hang, there is no locking device, and the rope is easy to wear and tear.
In the process of hanging the insulating ladder, the suspension block or the insulating ladder will fall, which will not only cause damage to the equipment, but also easily cause casualties

Method used

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  • Method for hanging and dismounting insulated flexible ladder by using automatically-hung special tackle
  • Method for hanging and dismounting insulated flexible ladder by using automatically-hung special tackle

Examples

Experimental program
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Effect test

Embodiment Construction

[0028] The structure and operating principle of the automatic suspension special tackle of the present invention will be described in further detail below in conjunction with the accompanying drawings.

[0029] Such as figure 1 and figure 2 As shown, the structure schematic diagram of the automatic suspension special tackle of the present invention includes two insulating hooks 2 fixed and oppositely arranged by the first pin shaft 21, and a locking mechanism 3 is arranged between the two insulating hooks 2, located below the insulating hooks 2 An insulating pulley 4 is provided. The locking mechanism 3 includes two struts 32, 33 whose tail end is fixed to the inner side of the insulating hook 2 through the second pin shaft 31, and the free ends of the struts 32, 33 are respectively connected to the two ends of the connecting rod 5 through the third pin shaft. 35,36 connection, the connecting rod 5 is provided with a through hole 51, the first insulating rope 6 is passed th...

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Abstract

The invention belongs to the technical field of a method for hanging an insulated flexible ladder in live-wire operation of wires, and discloses a method for hanging and dismounting an insulated flexible ladder by using an automatically-hung special tackle. The method is mainly characterized by comprising the following steps of: (1) bypassing a first insulated rope; (2) pulling up the automatically-hung special tackle; (3) hanging and locking an insulated hook; (4) pulling up and hanging the insulated flexible ladder; (5) unhooking; (6) dismounting the insulated flexible ladder; and (7) dismounting the automatically-hung special tackle. The hanging and dismounting processes are more convenient and safe; and the automatically-hung special tackle not only can be used for hanging a flexible ladder in live-wire operation but also can be used for transferring tool materials in operation on wires.

Description

[0001] The present invention is a divisional application. The filing date of the original application is December 6, 2010. The application number of the original application is: 2010105746212; method". technical field [0002] The invention belongs to the technical field of an auxiliary tool for live wire work maintenance and a method for hanging an insulating ladder, and in particular relates to a special pulley for automatic suspension and a method for hanging an insulating ladder using the pulley. Background technique [0003] The somersault block is an indispensable special tool when the insulating soft ladder is suspended in the live operation of the transmission line. Insulation ladders are required when replacing tension insulators, replacing spacers, repairing wires, replacing anti-vibration hammers, and handling foreign objects in wires, etc. The somersault blocks currently used are not easy to take off and hang, have no locking device, and are easy to wear and tea...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G1/02
Inventor 张留岗王继双李树平刘明亮梁河雷何义良尚建广李红卫高冰
Owner STATE GRID CORP OF CHINA
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