Circuit breaker plum blossom contact detaching device
A technology of plum-blossom contacts and circuit breakers, applied in switchgear, electrical components, etc., can solve the problems of disassembly and assembly of plum-blossom contacts of circuit breakers that are not suitable for on-site circuit breakers
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Embodiment 1
[0030] Such as Figures 1 to 4As shown, a circuit breaker plum blossom contact dismounting device includes a cross bar 1, the left end of the cross bar 1 is provided with a force hole 2 along the diameter direction, and a force bar 3 is movably arranged in the force hole 2, The right end of the horizontal pressing rod 1 is provided with a conical rod 4, the upper surface of the horizontal pressing rod 1 is threadedly connected to the support seat 5, the outer surface of the supporting seat 5 is provided with a handle 6, and the right end of the horizontal pressing rod 1 is close to the conical rod 4 A limit body 7 is provided at the position, and the limit body 7 is located on the right side of the support base 5 , and the right end of the support base 5 is connected with an expansion piece through a connecting rod 18 .
[0031] The expander includes a left ring body 8, several fan-shaped expansion units 9 and a right ring body 10, the left ring body 8 and the right ring body ...
Embodiment 2
[0038] Such as Figure 5 As shown, a circuit breaker plum blossom contact dismounting device includes a cross bar 1, the left end of the cross bar 1 is provided with a force hole 2 along the diameter direction, and a force bar 3 is movably arranged in the force hole 2, The right end of the horizontal pressing rod 1 is provided with a conical rod 4, the upper surface of the horizontal pressing rod 1 is threadedly connected to the support seat 5, the outer surface of the supporting seat 5 is provided with a handle 6, and the right end of the horizontal pressing rod 1 is close to the conical rod 4 A limit body 7 is provided at the position, and the limit body 7 is located on the right side of the support base 5 , and the right end of the support base 5 is connected with an expansion piece through a connecting rod 18 .
[0039] The expander includes a left ring body 8, several fan-shaped expansion units 9 and a right ring body 10, the left ring body 8 and the right ring body 10 ar...
Embodiment 3
[0045] Such as Figure 6 As shown, the difference between it and Embodiment 1 and Embodiment 2 is: the free end of the handle bar 6 is provided with an insulator 17, and the insulator 17 is made of a high-strength insulating material, and the high-strength insulating material has the following weight ratio group Raw material composition: 25 parts of polyolefin, 16 parts of silicone crosslinking agent, 18 parts of silicon dioxide, 9 parts of silicon hydroxide, 10 parts of magnesium hydroxide, 6 parts of titanium oxide, 5 parts of barium sulfate, 5 parts of magnesium silicate , 3 parts of talcum powder, 3 parts of lubricant, 4 parts of antioxidant, 2 parts of compatibilizer, 2 parts of glass fiber and 1 part of silicone leveling agent. It also has excellent anti-electromagnetic interference performance; it has the characteristics of low smoke, non-toxic, halogen-free and flame retardant;
[0046] The surface of the insulator 17 is provided with an anti-skid layer, which on the ...
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