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An installation tool and an installation method for lifting the overhead ground wire

A technology for overhead ground wires and installation tools, which is applied in the direction of overhead lines/cable equipment, etc. It can solve problems such as damage to tower materials and wire ropes, insufficient lifting strokes, external force strikes by staff under the tower, etc., to avoid friction, improve safety and Job Completion Rate, Damage Avoidance Effect

Pending Publication Date: 2019-01-11
LIAOYANG POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The installation and disassembly of the overhead ground wire of the traditional transmission line is mostly carried out by friction lifting on the tower material near the hanging point of the overhead ground wire with the steel wire rope. Due to the friction between the two, not only the tower material and the steel wire rope are easily damaged, but also In case of a sudden disconnection of the wire rope, it poses a threat to the personal safety of the staff on the tower, and it is easy to cause serious consequences for the staff below the tower to be hit by external forces
The biggest problem is that the lifting stroke is insufficient

Method used

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  • An installation tool and an installation method for lifting the overhead ground wire
  • An installation tool and an installation method for lifting the overhead ground wire
  • An installation tool and an installation method for lifting the overhead ground wire

Examples

Experimental program
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Effect test

Embodiment 1

[0028] refer to figure 1 , the present invention provides an installation tool for lifting overhead ground wires, including a fixing assembly, a U-shaped pulley groove 1 is fixed upwardly on the fixing assembly, a pulley 2 is arranged in the pulley groove 1, and the installation tool is fixed on the cement through the fixing assembly pole or tower angle iron. The fixing component includes base 4, fastening screw 5, right-angle gusset A6 and fastening bolt cap A7, fastening screw 5 is welded on the side of the base, one on each side, and right-angle gusset A6 is installed on the fastening screw 5, the fastening bolt cap A7 is installed on the fastening screw rod 5; the pulley groove 1 is welded and fixed on the upper end of the base 4.

[0029] When using this installation tool to install the overhead ground wire, the following steps are included:

[0030] 1) Unscrew the two right-angle buckles A7 through the fastening bolt cap A7, clamp the base 4 on the tower material with ...

Embodiment 2

[0033] The invention provides an installation tool for lifting overhead ground wires, which includes a fixing assembly, a U-shaped pulley groove 1 is fixed upwardly on the fixing assembly, a pulley 2 is arranged in the pulley groove 1, and the installation tool is fixed on the cement pole through the fixing assembly Or on the iron tower angle iron. The fixing component includes base 4, fastening screw 5, right-angle gusset A6 and fastening bolt cap A7, fastening screw 5 is welded on the side of the base, one on each side, and right-angle gusset A6 is installed on the fastening screw 5, the fastening bolt cap A7 is installed on the fastening screw rod 5; the pulley groove 1 is welded and fixed on the upper end of the base 4. A cover body 3 is openably arranged on one side of the upper end opening of the pulley groove 1 . One side of the cover body 3 is hinged on the pulley groove 1, and the other side is openably connected with the other side of the pulley groove 1 through a l...

Embodiment 3

[0038] refer to figure 2 and image 3 , the present invention provides an installation tool for lifting overhead ground wires, including a fixing assembly, a U-shaped pulley groove 1 is fixed upwardly on the fixing assembly, a pulley 2 is arranged in the pulley groove 1, and the installation tool is fixed on the cement through the fixing assembly pole or tower angle iron. The fixing component includes base 4, fastening screw 5, right-angle gusset A6 and fastening bolt cap A7, fastening screw 5 is welded on the side of the base, one on each side, and right-angle gusset A6 is installed on the fastening screw 5, the fastening bolt cap A7 is installed on the fastening screw rod 5; the pulley groove 1 is welded and fixed on the upper end of the base 4. A cover body 3 is openably arranged on one side of the upper end opening of the pulley groove 1 . One side of the cover body 3 is hinged on the pulley groove 1, and the other side is openably connected with the other side of the ...

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Abstract

The invention belongs to the technical field of overhead ground wire installation, in particular to an installation tool and an installation method for lifting the overhead ground wire. The installation tool comprises a fixing assembly, a U-shaped pulley groove opening is fixed on the fixing assembly upward, a pulley is arranged in the pulley groove, and the installation tool is fixed on a cementpole or an iron tower angle iron through the fixing assembly. The tool and the method provided by the invention can change the operation method of friction lifting by using the steel wire rope on thetower material near the hanging point of the overhead ground wire. The invention avoids the generation of the friction force between the tower and the steel wire rope, avoids the damage to the tower and the steel wire rope, avoids the serious threat to the personal safety of the staff caused by the impact force caused by the sudden disconnection, and improves the safety and the work completion rate.

Description

technical field [0001] The invention belongs to the technical field of electric power overhead ground wire installation, and in particular relates to an installation tool and an installation method for lifting overhead ground wires. Background technique [0002] The installation and disassembly of the overhead ground wire of the traditional transmission line is mostly carried out by friction lifting on the tower material near the hanging point of the overhead ground wire with the steel wire rope. Due to the friction between the two, not only the tower material and the steel wire rope are easily damaged, but also In the case of a sudden disconnection of the steel wire rope, the personal safety of the staff on the tower is threatened, and it is easy to cause serious consequences that the staff under the tower are hit by external forces. Its biggest problem is that the lifting stroke is insufficient. Contents of the invention [0003] In order to solve the above technical pr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02G1/02
CPCH02G1/02
Inventor 张森赵德仁张浩简春苗中杰缪成清林万久赵东洋宁墨刘思汗袁一文潘鹏飞
Owner LIAOYANG POWER SUPPLY COMPANY OF STATE GRID LIAONING ELECTRIC POWER SUPPLY
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