Rotary filter screen manual turning gear
A manual cranking and rotating filter technology is applied in the field of nuclear power plant maintenance, which can solve problems such as hidden safety hazards, the separation of the crank handle and the motor shaft to hurt people or equipment, and the damage to the rotating filter.
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[0034] The present invention will be described in further detail below with reference to the accompanying drawings and embodiments.
[0035] like figure 1 As shown, it is a traditional cranking handwheel in the prior art. A keyway is provided at the edge of the center hole of the cranking handwheel. The keyway corresponds to the keyway on the motor shaft. The keyway on the keyway matches the key, and the cranking handwheel is fixedly connected to the motor shaft.
[0036] like Figure 2-4As shown in the figure, the present invention provides a rotary filter manual turning device, including: turning handwheel 1, first flange 3, second flange 5, pin 7, nut 9, key 11, expansion bolt 13, ground The foot steel plate 15 , the pawl support 16 , the ratchet wheel 18 , the pawl 19 , the fixing pin 20 and the retaining spring 21 .
[0037] like figure 2 As shown, the first flange 3 is fixedly connected to the center position of the cranking handwheel 1 by welding. The second flang...
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