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Cable perforating tower joint

A technology of lap joints and cables, applied in the direction of cable joints, etc., can solve the problems of difficult to pass through the jacking pipe and large arc of the jacking pipe.

Inactive Publication Date: 2013-06-19
XINXIANG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After the present invention is connected with the threader, two threaders can be used to go through and dock at the same time to complete the operation of crossing the pipe jacking, which solves the problem that the pipe jacking has a large arc and is too long to be crossed

Method used

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  • Cable perforating tower joint

Examples

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Embodiment Construction

[0006] The embodiment is described in detail in conjunction with the above drawings. A bushing 4 is connected downward with a pin shaft 6 at the lower end of an upper joint 3, and six hooks 1 are evenly distributed outward on the circumferential wall at the top of the upper joint. A pull hole 2 opened to the other side is provided between any two hooks, and a connecting bolt 5 is provided on the wall of the inner hole of the casing, which can facilitate the connection with the front end of the threader. When the cables with relatively long jacking pipes and relatively large radians are connected with threaders, when the two threaders pass through the jacking pipe with a distance of more than 140 meters, one end will start to pull back, and when the hooks on the two threaders are connected, it will They will hook each other, which not only greatly improves the labor efficiency, but also increases the safety.

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Abstract

The invention discloses a cable perforating tower joint. The cable perforating tower joint comprises an upper joint, wherein a sleeve is axially connected with the lower end of the upper joint through a large-head pin shaft downwards, six hooks are uniformly distributed on the circumferential wall of the top part of the upper joint, an opened pull hole communicated with the other side is formed between any two hooks of the upper joint, and a connection bolt is arranged on the inner hole wall of the sleeve. After the cable perforating tower joint is connected with a perforating device, the two ends of two perforating devices are simultaneously butted, an operation which passes through a top pipe is finished, and problems that the radian of the top pipe is large and the top pipe is overlarge so as to be hard to pass through the perforating device are solved.

Description

Technical field: [0001] The invention relates to a cable piercing lap joint used for the laying-out construction of a power distribution cable traction rope passing through a jacking pipe, which is convenient for the butt joint of a threader. Background technique: [0002] In electric power construction work, it is often encountered that the cable is pulled through the underground pipe jacking work. Before the cable passes through the jacking pipe, a threader is required to pull the wire rope. When the jacking pipe is too long, the threader cannot reach the actual length of the pipe jacking and the When the two ends of the pipe are upturned, it is necessary to use two threaders to hook to complete the traction work due to the excessive arc. The existing wire threader is not equipped with claw hooks and accessories, which brings a lot of inconvenience to the electric power construction work. Invention content: [0003] The purpose of the present invention is to provide a c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G15/08
Inventor 张立森吕杨张虹
Owner XINXIANG POWER SUPPLY COMPANY STATE GRID HENAN ELECTRIC POWER
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