10-02-2016 дата публикации
Номер: CN0205025370U
Принадлежит:
The utility model provides a latent oily electric screw bar pump thrust short circuit, includes thrust short circuit head, head sealing ring, casing, thrust short circuit base, base sealing ring. Thrust short circuit head is connected with casing and thrust short circuit base in order, the head sealing ring is equipped with on the thrust short circuit head, thrust short circuit base facial make -up has the base sealing ring, the axle is installed in the center of casing and thrust short circuit base, epaxial erection joint in order has antifriction bearing, the two halves ring, the upper portion pressure disk, the upper portion bush, the interstage bush, the pressure disk, footstep bearing, disc spring, a spindle sleeve, the bearing assembly, journal bearing, the thrust gasket, compress tightly pipe and retaining ring, the axle mid -mounting has rectangular shape square key, it is connected with reducing spline housing assembly to go up the lower extreme. The utility model discloses a multistage ...
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