Horizontal telescopic double-fracture ice melting isolating switch

A horizontal expansion and isolation switch technology, applied in the installation of air switch parts, electrical components, cables, etc., can solve the problems of high work intensity, long operation time, affecting the efficiency of ice melting operation, etc., to save floor space , avoid safety risks and improve the efficiency of ice melting operations

Pending Publication Date: 2019-06-11
SOUTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, there is a risk of high-altitude operations during manual ice melting, and the operation is time-consuming and intensive, which greatly affects the efficiency of ice-melting operations

Method used

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  • Horizontal telescopic double-fracture ice melting isolating switch
  • Horizontal telescopic double-fracture ice melting isolating switch
  • Horizontal telescopic double-fracture ice melting isolating switch

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Embodiment Construction

[0022] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0023] Such as figure 1 , figure 2 , image 3 , Figure 4 The horizontally telescopic double-fracture ice-melting isolating switch shown specifically includes a horizontally telescopic knife switch operating mechanism 101, a first terminal board 104, a first horizontally telescopic knife switch 106, a second horizontally telescopic knife switch 108, a static contact Head 110, second terminal board 111, vertical opening knife switch 113, third terminal board 114, vertical opening knife switch operating mechanism 116, the first horizontal telescopic knife switch 106 is installed and connected to...

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Abstract

The invention provides a horizontal telescopic double-fracture ice melting isolating switch. The horizontal telescopic double-fracture ice melting isolating switch comprises a vertical opening type knife switch, a horizontal telescopic knife switch operating mechanism, a first horizontal telescopic knife switch, a second horizontal telescopic knife switch and a static contact, wherein the first horizontal telescopic knife switch and the second horizontal telescopic knife switch are driven by the horizontal telescopic knife brake operating mechanism; the static contact is supported by a secondhorizontal opening operation insulator; a rack is arranged on the first horizontal telescopic knife switch; a gear is arranged on the second horizontal telescopic knife switch; engaged transmission isformed between the gear and the rack; and the horizontal telescopic knife switch operating mechanism drives the second horizontal telescopic knife switch and the static contact to be opened or closed. By means of the ice melting device, ice melting operation is carried out on a power transmission line, manual wire disconnection operation can be avoided, and therefore the safety risk of ice melting high-altitude operation is avoided, the outage time of the power transmission line during ice melting operation can be greatly shortened, and the ice melting operation efficiency is greatly improved.

Description

technical field [0001] The invention relates to the field of structural design of an ice-melting isolating switch, in particular to a horizontally telescopic double-break ice-melting isolating switch. Background technique [0002] With global climate change and the construction of UHV transmission projects, more and more high-voltage and ultra-high-voltage transmission lines across ice-covered areas are increasing, and the possibility of large-scale icing on transmission lines in winter is increasing; Ice usually leads to galloping accidents of ice-coated conductors and ice flash accidents of insulators. When the conductors are seriously ice-coated, there are even dangers of disconnection and tower collapse. [0003] For the icing of transmission lines, DC deicing devices are mainly used at present. For the safety of AC equipment, AC equipment and DC ice-melting lines need to be isolated when power transmission lines are thawed. In order to ensure that the DC voltage durin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01H31/02H02G7/16
Inventor 邹家勇冯千秀余波吴怡敏李龙才丁晓飞黎亮胡晓曾捷樊艳冯川李珊珊杨凌霜
Owner SOUTHWEST ELECTRIC POWER DESIGN INST OF CHINA POWER ENG CONSULTING GROUP CORP
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