Patent ID: 11952999
Assignee: YANTAI JEREH PETROLEUM EQUIPMENT & TECHNOLOGIES CO., LTD.
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F | IPC F

Claim 4:
5. The plunger pump base according to claim 1, wherein the second telescopic mechanism comprises:
a third joint bearing, one end of the third joint bearing being sleeved on the first connection shaft, and an other end of the third joint bearing comprising a fifth threaded connection portion;
a third fixed ear-plate fixed with the bottom plate;
a third connection shaft on the third fixed ear-plate;
a fourth joint bearing, one end of fourth joint bearing being sleeved on the third connection shaft, and an other end of fourth joint bearing comprising a sixth threaded connection portion; and
a second threaded rod, one end of the second threaded rod comprising a seventh threaded connection portion, the seventh threaded connection portion being connected to the fifth threaded connection portion by threads, and an other end of the second threaded rod comprising an eighth threaded connection portion, and the eighth threaded connection portion being connected to the sixth threaded connection portion by threads.