Adjustable low-voltage air switch grounding device
A grounding device and adjustable technology, applied in the direction of connection, conductive connection, wire-wound connector, etc., can solve the problems of low-voltage grounding devices that cannot be fixed, potential safety hazards, and unreliable grounding, so as to achieve good grounding, reasonable structure, and avoid reverse The effect of power transmission
Pending Publication Date: 2020-01-10
国网新疆电力有限公司博尔塔拉供电公司 +1
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Problems solved by technology
[0003] The invention provides an adjustable low-voltage air breaker grounding device, which overcomes the deficiencies of the prior art and can effectively solve the problems that the existing low-voltage grounding device cannot be fixed, cannot be reliably grounded, and has potential safety hazards
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[0017] The present invention is not limited by the following examples, and specific implementation methods can be determined according to the technical solutions of the present invention and actual conditions.
[0018] In the present invention, for the convenience of description, the description of the relative positional relationship of each component is based on the description attached to the description. figure 1 For example, the positional relationship of front, rear, top, bottom, left, right, etc. is determined according to the layout direction of the drawings in the description.
[0019] Below in conjunction with embodiment and accompanying drawing, the present invention will be further described:
[0020] as attached figure 1 , 2 , 3, the adjustable low-voltage air switch grounding device includes an air switch 15, a contact terminal 14, a grounding screw 7, an upper fastening nut 4, a lower fastening nut 3, an insulating plate 1 and a fixing bracket assembly, and th...
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The invention, which relates to the technical field of power equipment maintenance, in particular provides an adjustable low-voltage air switch grounding device comprising an air switch, contact terminals, grounding screws, an upper fastening nut, a lower fastening nut, an insulating plate and a fixing support assembly. Four wire grooves are formed in the front side of the air switch at intervalsfrom left to right; and one contact terminal is arranged at the lower end of each wire groove. The insulating plate is arranged above the air switch; a rectangular groove is formed in the middle of the insulating plate in a vertical communicating manner; the grounding screws are arranged in the rectangular groove by corresponding to all wire grooves; and the lower ends of the grounding screws arein contact with the contact terminals arranged in the corresponding wire grooves. According to the invention, the adjustable low-voltage air switch grounding device has a reasonable and compact structure and is convenient to use. With the grounding screws, the low-voltage grounding wire is conveniently connected with the air switch; with the insulating plate and the fixing support assembly, the grounding screws are fixed to ensure the good grounding effect, avoid reverse power transmission, and protect the safety of operators. The device has characteristics of high safety, good labor saving effect, high simplicity, great convenience and high efficiency.
Description
technical field [0001] The invention relates to the technical field of power equipment maintenance, and relates to an adjustable grounding device for a low-voltage air breaker. Background technique [0002] When low-voltage lines and higher-level lines and electrical equipment are powered off for maintenance, there will be induced voltage in the maintenance lines, which will cause danger to security personnel and the possibility of reverse power transmission. Therefore, it is necessary to ground the low-voltage air switch during maintenance. The device for stably suspending the bottom line, the existing low-voltage grounding device cannot be fixed, nor can it be obviously and reliably grounded, and there are many types and types of low-voltage air circuit breaker equipment on the market, and there is currently no suitable stable grounding device. Contents of the invention [0003] The invention provides an adjustable low-voltage air breaker grounding device, which overcome...
Claims
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IPC IPC(8): H01R11/15H01R11/32
CPCH01R11/15H01R11/32
Inventor 刘锡胜黄志坚王浩鹏李泽秀付凯付斌范宵宇刘学龙
Owner 国网新疆电力有限公司博尔塔拉供电公司