Multi-stage pump
A multi-stage pump and pump body technology, applied in the field of multi-stage pumps, can solve the problems of poor anti-cavitation performance of multi-stage pumps, and achieve the effects of overcoming occlusion, improving safety and reliability, and overcoming damage
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[0031] The specific implementation of this embodiment will be described below in conjunction with the accompanying drawings.
[0032] figure 1 It is a schematic diagram of the present invention. Such as figure 1 As shown, the multistage pump includes a pump shaft 1 , a driving end bearing assembly 3 , a water inlet section pump body 4 , a multistage middle section pump body 6 , a water outlet section pump body 11 and a non-driving end bearing assembly 15 . The pump body 4 of the water inlet section, the pump body 6 of the multi-stage middle section and the pump body 11 of the water outlet section are sleeved on the pump shaft 1 in sequence, and the two sides of the pump body 4 of the water inlet section and the two sides of the pump body 11 of the water outlet section pass through the pull rods 18 respectively. Connected together, the nut is sleeved on the pull rod 18, and the nut is tightened to clamp the water inlet section pump body 4, the multi-stage middle section pump ...
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