MOVABLE ROLLER TYPE INSULATED LIFT ARM FOR INDIRECT LIVE WIRES AND UNINTERRUPTIBLE METHOD FOR INDIRECT LIVE WIRES USING SAME

WIPO Patent Application WO/2022/085943

A1

The present invention relates to a lift arm for safely moving wires during indirect live wire work on a distribution line in a live wire state. More specifically, the present invention relates to a movable roller type insulated lift arm for indirect live wires and to an uninterruptible method for indirect live wires using same, wherein the movable roller type insulated lift arm: enables horizontal moving bars having moving roller units, which horizontally move, to protrude at respective sides at the top of an insulating pipe; can be mounted on a winch of equipment for high-altitude work and move up and down by means of the insulating pipe and, in particular, can freely move by means of the equipment for high-altitude work, thereby enabling wire transfer work by means of indirect live wire work in a wide range of locations within the distribution line; enables safe indirect live wire work for the wire transfer work such as change of assembling, installation of an inserted pole, replacement of a pole, and replacement of a crossarm; and enables the indirect live wire work while securing a safe distance according to the movement of the moving roller units mounted on the horizontal moving bars and capable of restraining an electric wire.

KWON SAE WON (KR)

PCT/KR2021/012375

April 28, 2022

September 10, 2021

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DAEWON ELECTRIC CO LTD (KR)
DAEWON IND COMPANY (KR)

H02G1/02; E04H12/24; H01B17/02; H02G7/02; H02G7/12; H02G7/20

WO2020175815A1

2020-09-03

KR20180051298A	2018-05-16
KR102079472B1	2020-02-20
KR20140081139A	2014-07-01
KR101864309B1	2018-06-05
KR102232560B1	2021-03-29

CHUNG, Sun Won (KR)

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