Special tool for anti-trip test of reliable type circuit breaker as well as application method thereof
A special tool and technology for circuit breakers, applied in the field of special tools for reliable anti-jump tests of circuit breakers, can solve the problems of reducing the mechanical life of circuit breakers and the number of people, to avoid burning out circuit boards, solve low success rates, and improve tests. success rate effect
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[0030] Example 1
[0031] Please refer to figure 1 This embodiment provides a special tool for the anti-tripping test of a reliable circuit breaker, which includes an opening plug 10, a closing plug 20, and a common plug 30. From three traditional 4mm 2 The test wire is used as a conductive wire. One ends of the three wires are connected together, and the joints are sealed with insulating rubber. The other ends of the three wires are respectively connected to the opening plug 10, the closing plug 20 and the common plug 30. A DC switch 40 is connected to the wire connected to the public plug 30; therefore, the electrical connection relationship of the entire anti-tripping test tool is that the public plug 30 is connected to the first terminal of the switch 40, the opening plug 10 and the closing plug 20 is connected in parallel to the second terminal of the switch 40 opposite to the first terminal. A DC switch is set in the middle of the positive electricity test line to control ...
Example Embodiment
[0041] Example 2
[0042] The main part of this embodiment is the same as that of Embodiment 1, and the similarities will not be repeated; the difference between this embodiment and Embodiment 1 is:
[0043] Please refer to Figure 5 In this embodiment, the pin bore 53 is divided into three sections, the middle section is thin, the front section is thick and the rear section is thick; the connection between the middle section of the bore 53 and the front section is a conical surface. The front end of the inner needle 70 is provided with a tip ball 72 whose diameter is larger than the diameter of the middle section of the inner bore 53 and smaller than or equal to the diameter of the front section of the inner bore 53. The part of the inner needle 70 near the rear end is threaded with the rear part of the inner bore 53. By rotating the inner needle, the inner needle retreats from the front part of the inner bore 53 to the conical surface or the middle part of the inner bore 53 to p...
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