Split type plunger pump intermediate rod connection device

• Main Authors: JI DONGJUN, ZHANG DIANLING, LI HONG, WANG LAIQING, GU YONGQIANG, HUANG CHUN
• Format: Patent
• Language: Chinese; English
• Published: 06.04.2011
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model relates to a plunger pump intermediate rod connector, especially a split type plunger pump intermediate rod connection device, comprising an intermediate rod and an intermediate rod head, wherein a cross-head pin hole is arranged in the middle of the intermediate rod, an oil leak hole is arranged at the bottom of the intermediate rod, two ends of the intermediate rod head are respectively provided with threads, one end is screwed with the intermediate rod, another end is provided with a square counter hole and screwed with the plunger. The beneficial effects are that: the safe production is ensured, the labor intensity of the worker is reduced, the pump vibration is reduced during the operation process due to the screw connection, the buffer, vibration-reduction function is obtained, the damage intensity of the oil seal of the intermediate rod is reduced, the service life of the oil seal is prolonged, the lubricant leakage loss is reduced and the production cost is saved.