Mechanical emergency starting apparatus of fire pump
An emergency startup and water pump technology, applied to high-voltage air circuit breakers, electrical components, electrical switches, etc., to achieve the effects of system stability, good consistency, and increased synchronization
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[0024] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
[0025] A mechanical emergency starting device for a fire pump, which is composed of an insulating frame 1, a metal rear sealing plate 2, an electromagnetic control mechanism, a manual operation mechanism and a vacuum switch tube component 3. The electromagnetic control structure has a closing and holding buckle, a transmission Knuckle arm 4, closing armature 5, closing coil 6 and opening spring 7; wherein, the inflection point of the transmission crank arm 4 is installed on the closing rotating shaft 8, and one arm of the transmission crank arm 4 is the closing armature 5, and the arm end Press the opening spring 7 tightly, and the other arm is connected to the moving contact of the vacuum switch tube part 3; there is a countersunk hole 15 at the longitudinal center position of the closing armature 5 and at the upper (or side) position in the transverse ...
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