Mechanical sealing device for gear oil pump shaft head

• Main Authors: FAN GUIQIANG, WANG PENG, YUAN ZHIQI, KONG LINGNING, ZHAO YONGYAN
• Format: Patent
• Language: Chinese; English
• Published: 04.12.2020
• Subjects: BLASTING; CYLINDERS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; LUBRICATING; MECHANICAL ENGINEERING; PISTONS; SEALINGS; THERMAL INSULATION IN GENERAL; WEAPONS

The mechanical sealing device for the gear oil pump shaft head comprises a shaft head and an oil pump shaft, a static ring and a movable ring are arranged at one end in the shaft head, a sealing spring is arranged on one side of the movable ring, one end of the sealing spring is connected with a pushing ring, and one end of the oil pump shaft sequentially penetrates through the pushing ring, the sealing spring, the movable ring and the static ring. A driven supporting plate is arranged on the inner side of the pushing ring, and a driving supporting plate is arranged at the position, corresponding to the pushing ring, of the outer surface of the oil pump shaft. Through the arranged pushing ring, the driven supporting plate on the inner side of the pushing ring and the driving supporting plate on the outer side of the oil pump shaft, the oil pump shaft rotates to drive the driving supporting plate to rotate during use, so that the driving supporting plate pushes the pushing ring to moveupwards through the drive