Limiting device of bilateral double-break isolating switch grounding knife switch contact
A technology of grounding knife switch and isolating switch, applied in the direction of electrical components, etc., can solve the problems of increasing the impact degree and strength of equipment, long time of equipment commissioning, and increasing operation risk, so as to eliminate the degree and strength of impact and ensure health and stability Operation, the effect of reducing the risk of operation
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[0012] The specific embodiment: below in conjunction with accompanying drawing, the best embodiment of the present invention is described in detail:
Embodiment
[0013] Embodiment: A limiting device for the grounding knife contact of a bilateral double-break isolating switch (see Figure 1-Figure 3 ), which includes a trumpet-shaped body 7, which is made of stainless steel alloy. The outer wall 5 and inner wall 6 of the body 7 need anti-corrosion treatment, the outer wall 5 can be sprayed with phase color, and the inner wall 6 is polished smooth. The lower opening 2 of the body 7 is large, the upper opening 1 is small, and the inner diameter of the upper opening 1 is consistent with the inner diameter of the grounding switch. The upper opening 1 is provided with an upper edge 3, and the upper edge 3 is provided with a welding surface 4. The size of the welding surface 4 is consistent with the size of the lower end surface of the static contact. When in use, the welding surface 4 is welded to the static grounding switch of the bilateral double-break isolating switch. The bottom of the contact, the upper edge 3 is smoothly and seamlessly...
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