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A device for penetrating or withdrawing cables from curved pipelines

A technology for bending pipelines and cables, which is used in cable installation, cable installation devices, cable laying equipment, etc. It can solve problems such as cables passing through curved pipelines, improve threading efficiency, reduce threading costs, and enhance stability. sexual effect

Active Publication Date: 2018-07-06
SHANDONG HI-SPEED KERUI PETROLEUM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For example, the friction coefficient between steel and steel μ=0.15, when the equivalent number of turns is 10, the friction coefficient between the cable and the pipeline will become 12392, in the prior art, there is no suitable means to Troubleshoot routing cables through curved ducts

Method used

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  • A device for penetrating or withdrawing cables from curved pipelines
  • A device for penetrating or withdrawing cables from curved pipelines
  • A device for penetrating or withdrawing cables from curved pipelines

Examples

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Embodiment Construction

[0025] The implementation method of the present invention will now be further described by means of the accompanying drawings.

[0026] Such as figure 1 As shown, a device for penetrating or extracting cables from a curved pipeline, the device uses high-pressure fluid to flow in the pipeline at high speed to form a traction force that drives the cable to pass the cable through the curved pipeline, the device includes the use of The perfusion unit 100 in which the high-pressure fluid exerts traction on the cable. The perfusion unit includes a straight pipe 101. The cable 1 enters from the A end of the straight pipe and passes through the B end. The straight pipe 101 is provided with several The perfusion branch pipe 102 in the direction of the angle α relative to the straight pipe 101 axial direction, the angle α is greater than 0 degrees and less than 60 degrees, and the high-pressure fluid enters the straight pipe 101 from the perfusion branch pipe 102. The cable 1 in the st...

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Abstract

The invention relates to the field of cable sets, in particular to a device capable of penetrating a cable into the curved pipeline from one end and out of the curved pipeline from the other end or extracting the cable out of the curved pipeline. The device is characterized in that high-pressure fluid flows in the pipeline at a high speed to form a driving force which drives the cable to penetrate the curved pipeline. The device comprises a pouring unit which applies a traction force to the cable through the high-pressure fluid, the pouring unit comprises a straight pipe, the cable enters the straight pipe from an end A and gets out of the straight pipe from the end B, a plurality of branch pouring pipes axially forming included angles with the straight pipe are arranged on the straight pipe, the high-pressure fluid drives the cable through the branch pouring pipes, and the straight pipe comprises at least two sections connected through a pre-tensioning device. The device has advantages that a driving unit is adopted for controlling advancing speed of the cable, a constant-pressure pump device is adopted for increasing constant-pressure fluid, and consequently stability and cable penetration and extraction capability are improved, cable penetration cost is reduced, cable penetration efficiency is improved, cable penetration sites are reduced, and great effects are achieved.

Description

technical field [0001] The invention relates to the field of cable sets, in particular to a device capable of passing a cable into one end of a curved pipeline and passing it out at the other end or pulling the cable out of the curved pipeline. Background technique [0002] At present, there are many methods that can be adopted when passing cables through straight pipelines. For example, the patent No. CN99804805, the invention patent titled "Method and Implementation Device for Installing and / or Removing Cables in Cable Ducts", discloses a method and device for using high-pressure fluid to push cables for threading or drawing. It adjusts the speed of the cable traveling in the pipeline by controlling the pressure of the fluid, which is convenient and quick, but it also has some defects. For example, the surface of the cable needs to be modified to increase the friction of the water before the device is used to introduce the cable into the pipeline, and the cable After the ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02G1/08
CPCH02G1/086
Inventor 张兴荣李天伟彭明明朱晓成
Owner SHANDONG HI-SPEED KERUI PETROLEUM EQUIP CO LTD
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