A moving arc contact loading and unloading tool
A moving arc contact, loader technology, applied to manufacturing tools, hand-held tools, etc., can solve the problems of inconvenient disassembly and assembly, deformation of the flap-shaped contact finger of the moving arc contact, etc., and achieve the effect of simple and convenient operation.
Active Publication Date: 2020-11-24
PINGGAO GRP +1
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Problems solved by technology
[0003] The purpose of the present invention is to provide a moving arc contact loading and unloading tool to solve the inconvenience of disassembly and assembly and easy deformation of the petal-shaped fingers of the moving arc contact in the prior art when using general fastening tools to install and disassemble the moving arc contact The problem
Method used
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[0020] Embodiments of the present invention will be further described below in conjunction with the accompanying drawings.
[0021] The specific embodiment of the moving arc contact loading and unloading tool of the present invention is as Figure 1-Figure 3 As shown, the moving arc contact loading and unloading tool includes an insertion shaft 1, a sheath 2 and an elastic sleeve 4, the elastic sleeve 4 is set on the insertion shaft 1, the sheath 2 is screwed on the insertion shaft 1, and is sleeved on the outside of the elastic sleeve 4 . In this embodiment, the elastic sleeve is a rubber sleeve, of course, in other embodiments, it can also be made of other deformable elastic materials.
[0022] Such as figure 2 As shown, the inserted shaft 1 includes an inserted section 12 and an inserted shaft threaded section 13 , the major diameter of the thread at the inserted shaft threaded section 13 is equal to the diameter of the inserted section 12 . The end of the insertion sec...
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The invention relates to a movable arc contact assembling and disassembling tool. The movable arc contact assembling and disassembling tool comprises an insertion shaft, an elastic sleeve and a sheath, wherein the insertion shaft is provided with an insertion section and an insertion shaft threaded section; a stop structure is arranged at the position, away from the insertion shaft threaded section, of the insertion section; the elastic sleeve is arranged on the outer side of the insertion section in a sleeving mode and is stopped at one side close to the threaded section; an opening is formedin one end of the sheath; a bottom wall is arranged on the other end of the sheath; the insertion shaft penetrates through the bottom wall in a threaded mode with the insertion section in the sheath;the opening of the sheath faces to the end with the stop structure; an accommodating cavity for inserting a petal-shaped contact finger is formed between the sheath and the elastic sleeve; and by enabling the sheath and the insertion shaft to rotate relatively, the elastic sleeve expands radially and is matched with the inner wall of the sheath to clamp the petal-shaped contact finger. In the process of assembling and disassembling a movable arc contact, the operation can be completed by only rotating the sheath or the insertion shaft by using a screwing tool, and the operation is simple andconvenient; and the elastic sleeve is made of a soft material, the shape of the petal-shaped contact finger is fixed, and therefore large deformation cannot occur.
Description
technical field [0001] The invention relates to a tool for loading and unloading a moving arc contact. Background technique [0002] The arc contact is a commonly used component in high-voltage switches. It is made of arc-resistant materials and is mostly used in conjunction with the main contact. When the switchgear is closed, the arc contact bears the electrical wear of the switch; When switching off, the arcing contact bears the strong arc when the circuit is broken, and plays the role of protecting the main contact. The moving arc contact is cylindrical as a whole, one end is provided with a connecting thread, and is tightly connected with the moving contact seat through the connecting thread, and the other end is provided with a plurality of axially extending splitting grooves in the circumferential direction to form a plurality of petal-shaped contact fingers . Using traditional screw wrenches or other tools, due to the special structure and special installation posi...
Claims
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IPC IPC(8): B25B27/02
CPCB25B27/023
Inventor 郭东方程宝改柏长宇王志刚叶三排芦阳郝剑贞罗汉彬李琼可徐钢陈康康苑国旗赵华伟李全和张新建刘贯伟雷建召张磊李英浩王涛
Owner PINGGAO GRP