Lightning Arrester Devices for Overhead Lines
A technology of overhead lines and lightning arresters, which is applied in the installation of cables, installation of lighting conductors, electrical components, etc., and can solve problems affecting the normal operation of overhead lines and inconvenient passage of live working vehicles
Active Publication Date: 2022-03-08
国网浙江省电力有限公司江山市供电公司 +1
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Problems solved by technology
[0003] The object of the present invention is to provide a lightning arrester device for overhead lines, which can use the insulating rod operation method for live installation without affecting the normal operation of the overhead line, thereby effectively solving the inconvenient area for live work vehicles. The lightning arrester can only be installed after the overhead line is powered off, which affects the normal operation of the overhead line
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specific Embodiment 1
[0034] Specific embodiment one: as figure 1As shown, a lightning arrester device for overhead lines includes a bracket 1 and a lightning arrester assembly 5 . A cross-arm slot 2 is arranged on the bracket, and a bolt through hole is arranged on the side wall of the cross-arm slot, and a fastening bolt 3 is arranged on the bolt through hole.
[0035] The lightning protection assembly 5 includes a lightning arrester 5.1 fixed on a bracket, a lower conductive head 5.2 arranged on the upper end of the lightning arrester, an upper conductive head 5.3 located above the lower conductive head, and a conductive lead 5.4 electrically connected to the upper conductive head. A discharge gap is formed between the lower conductive head and the upper conductive head. In this embodiment, the lower end of the arrester is fastened and fixed on the support by bolts, and the arrester is a zinc oxide arrester. Of course, the arrester can also be other arresters.
[0036] The lightning arrester d...
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The invention discloses a lightning arrester device for overhead lines, and aims to provide a live installation that can be installed using an insulating pole operation method without affecting the normal operation of the overhead line, so as to effectively solve the problem of inconvenient passage of live work vehicles. The lightning arrester can only be installed after the overhead line is powered off, and the lightning arrester device for overhead lines that affects the normal operation of the overhead line. It includes a bracket, the bracket is provided with a cross-arm slot, the side wall of the cross-arm slot is provided with a bolt hole, and the bolt hole is provided with a tightening bolt; the lightning protection component includes a lightning arrester fixed on the bracket , the lower conductive head arranged on the upper end of the arrester, the upper conductive head located above the lower conductive head and the conductive lead wire electrically connected with the upper conductive head, a discharge gap is formed between the lower conductive head and the upper conductive head.
Description
technical field [0001] The invention relates to a lightning arrester device, in particular to a lightning arrester device for an overhead line. Background technique [0002] After the lightning arrester used on the overhead line is aging or damaged at present, since the lightning arrester in the prior art generally cooperates with the stud and the nut at the lower end of the lightning arrester, the lightning arrester is fixed on the cross arm of the pole. The studs are inserted into the mounting holes on the cross-arm of the pole from top to bottom, and then the nuts are installed on the studs, and the nuts are locked to fix the arrester on the cross-arm of the pole; due to specific installation, It is necessary to insert the studs at the lower end of the arrester into the installation holes on the cross-arm of the electric pole from top to bottom, which makes it impossible for the arrester in the prior art to be installed on the cross-arm of the electric pole by using the i...
Claims
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IPC IPC(8): H02G13/00
CPCH02G13/80
Inventor 姜小军胡仁杰杨辉郑晓军刘伟王天明严威表赵宁余星临华建亮
Owner 国网浙江省电力有限公司江山市供电公司