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

Claim 2:
3. The plunger pump base according to claim 1, wherein the first telescopic mechanism comprises:
a first joint bearing, one end of the first joint bearing being sleeved on the first connection shaft, and an other end of the first joint bearing comprising a first threaded connection portion;
a second fixed ear-plate fixed with the top plate;
a second connection shaft on the second fixed ear-plate;
a second joint bearing, one end of the second joint bearing being sleeved on the second connection shaft, and an other end of the second joint bearing comprising a second threaded connection portion; and
a first threaded rod, one end of the first threaded rod comprising a third threaded connection portion, the third threaded connection portion being connected to the first threaded connection portion by threads, and an other end of the first threaded rod comprising a fourth threaded connection portion, the fourth threaded connection portion being connected to the second threaded connection portion by threads.