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Cable buffer apparatus

A buffer device and cable technology, which is applied in the field of electric power, can solve the problems of lower wire height from the ground, breakage, and reduced wire life, and achieve the effects of preventing the cable from falling off, constant pulling force, and long service life

Inactive Publication Date: 2018-07-06
枣庄度秘信息科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the rapid development of society, power construction is becoming more and more important. In power construction, it is often necessary to erect cable racks. Power lines are often laid on cable racks. Thermal expansion and contraction of power lines cause many problems, such as thermal expansion of wires in summer. The ground clearance of the part of the wire parallel to the ground is reduced, and for example, the shrinkage of the wire in winter may lead to a reduction in the life of the wire or breakage

Method used

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Embodiment Construction

[0017] The present invention will be further elaborated below in conjunction with the accompanying drawings and specific embodiments.

[0018] Such as Figure 1-4 As shown, a cable buffer device includes a utility pole 18, an automatic retractor 9, a connector 5, a first reversing pulley 2, and a second reversing pulley 20, and the automatic retractor 9 includes a fixed plate 8, a movable pulley 13 , movable pulley frame 15, fixed pulley 11, fixed pulley frame 10, contraction expansion bar 12, slide bar 16, stay rope 7, described fixed plate 8 is fixed on the ground by bolt, offers chute 17 on the fixed plate 8, slide bar 16 is installed in the chute 17, the right end of the slide bar 16 is welded with a movable pulley frame 15, the movable pulley 13 is mounted on the movable pulley frame 15 by screws, the shrinkage rod 12 is designed for a sealed injection cylinder, and alcohol is added in the injection cylinder, One end of the contraction rod 12 is welded on the movable pul...

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Abstract

The invention discloses a cable buffer apparatus. The cable buffer apparatus comprises a telegraph pole, an automatic expansion joint, a wire connector, a first reversing pulley and a second reveringpulley; the automatic expansion joint comprises a fixed plate, movable pulleys, a movable pulley frame, fixed pulleys, a fixed pulley frame, contraction-expansion rods, a sliding rod and a pull rope;each contraction-expansion rod adopts sealed injection cylinder design; one end of each contraction-expansion rod is welded on the movable pulley frame while the other end is welded on the fixed pulley frame; the pull rope passes through the space between the movable pulleys and the fixed pulleys alternately in a reciprocating manner; one end of the pull rope is connected with a cement block whilethe other end is connected with the wire connector; a wire connection opening is formed in one side of the wire connector; a screw-fixed clamp is arranged on the outer surface of the wire connectionopening; a fuse is mounted in the wire connector; the first reversing pulley and the second revering pulley are both mounted on a fixed shaft; the fixed shaft is mounted on a fixed frame; and the fixed frame is fixed on the telegraph pole. The cable buffer apparatus is reasonable in design, and by virtue of the contraction-expansion rods, the problem of changes of cable height and pulling force caused by thermal expansion and cold contraction of the cable can be solved, so that the cable buffer apparatus is suitable for popularization and application.

Description

technical field [0001] The invention relates to the field of electric power, in particular to a cable buffering device. Background technique [0002] With the rapid development of society, power construction is becoming more and more important. In power construction, it is often necessary to erect cable racks. Power lines are often laid on cable racks. Thermal expansion and contraction of power lines cause many problems, such as thermal expansion of wires in summer. The ground height of the part of the wire parallel to the ground is reduced, and for example, the shrinkage of the wire in winter may lead to a reduction in the life of the wire or breakage. Therefore, how to reduce the impact of thermal expansion and cold contraction on cables has always been a difficult problem faced by the whole society. Contents of the invention [0003] The object of the present invention is to provide a cable buffer device to solve the above technical problems. [0004] To achieve the a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G7/02H02G7/04
CPCH02G7/02H02G7/04
Inventor 蒋学义
Owner 枣庄度秘信息科技有限公司
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