Pipeline thread guide

A lead wire device and pipeline technology, applied in cable laying equipment and other directions, can solve the problems of lead wire breaking, increased cost, trouble, etc., and achieve the effect of simple structure and convenient lead wire

Active Publication Date: 2016-02-03
宁波市镇海西门专利技术开发有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The common method of laying cables in pipelines is to pre-string lead wires in the pipeline. However, when the pre-stringed lead wires are pulled out later, the lead wires are often broken, or the pre-stringed lead wires are pulled out by unreasonable pe

Method used

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  • Pipeline thread guide

Examples

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Example Embodiment

[0009] in figure 1 Among them, the thread guide adopts an umbrella-shaped knot, and the umbrella-shaped structure consists of the head umbrella 1 and the tail umbrella 2, and the spring 3, the upper spring seat 4, the lower spring seat 5, the pulley 6, the drawstring 7, the screw 8, the hollow tube screw 9, The nut 10 and the sticky block 11 are composed. The head umbrella 1 and the tail umbrella 2 have only ribs 12, the ribs are made of reeds, the middle of the reeds are bent into a V shape, at least two ribs have holes at the top, fixed with a screw 8, and form an umbrella after fixing. It can be opened and contracted. The diameter of the head of the screw 8 of the head umbrella is smaller than that of the screw, and the head of the screw is shoulder-shaped at the connection point of the screw. When the screw head passes through the hole at the top of the umbrella rib of the head umbrella, it rests on the shoulder of the screw head and is fastened with a nut cover. After tig...

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Abstract

Provided is a pipeline thread guide, comprising a head umbrella, a tail umbrella, a spring, a pulley and a stay rope. Rib tails of the head umbrella and the tail umbrella are provided with locking pins. In use, the head umbrella and the tail umbrella are plugged into a pipeline, the stay rope is pulled, the head umbrella and the tail umbrella are open in turns, and the locking pins support the inner wall of the pipeline; when the head umbrella supports the inner wall of the pipeline, the tail umbrella is dragged forwards; when the tail umbrella supports the inner wall of the pipeline, under the effect of the spring, the head umbrella is pushed forwards; the stay rope is continuously pulled and loosened, so that the head umbrella and the tail umbrella are continuously pushed forwards until penetrating the whole pipeline.

Description

technical field [0001] The invention relates to a pipeline laying tool, in particular to a threading device for laying cables in pipelines. Background technique [0002] The common method of laying cables in pipelines is to pre-string lead wires in the pipeline. However, when the pre-stringed lead wires are pulled out later, the lead wires are often broken, or the pre-stringed lead wires are pulled out by unreasonable people for other purposes. , especially when laying wires indoors, because the indoor walls have been painted and decorated, it is more troublesome, and it is very difficult to re-thread. , not only time-consuming, but also increase costs. Contents of the invention [0003] In order to facilitate the threading of pipelines, the present invention provides a pipeline lead-in device, which adopts an umbrella structure, and uses the elastic force of the spring to push the umbrella-shaped opening and closing forward to pull the lead wire to complete the threading...

Claims

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Application Information

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IPC IPC(8): H02G1/08
Inventor 陈际军
Owner 宁波市镇海西门专利技术开发有限公司
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