Oil supply device, oil supply system of shaft end seal and concrete stirring main machine

• Main Authors: WU FENGLEI, CHEN WEI, WANG JING, ZHANG YUE, MA XIUFENG, XU DAOLEI
• Format: Patent
• Language: Chinese; English
• Published: 06.11.2013
• Subjects: BLASTING; CYLINDERS; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; LUBRICATING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PISTONS; PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL,e.g. PLASTER; SEALINGS; THERMAL INSULATION IN GENERAL; TRANSPORTING; WEAPONS; WORKING CEMENT, CLAY, OR STONE

The utility model discloses an oil supply device, an oil supply system of a shaft end seal and a concrete stirring main machine, and relates to the technical field of engineering machines. The technical problems that reliability is poor in the prior art is solved. The oil supply device comprises a motor, at least two oil pumps and oil supply pipelines, wherein a power output shaft of the motor is connected with power input shafts of the two oil pumps and drives the power input shafts of the oil pumps to rotate, oil transmission openings of the oil pumps are communicated with the different oil supply pipelines respectively, and oil transmission ports of the oil supply pipelines are respectively towards a corresponding oil filling point. The oil supply system of the shaft end seal comprises a manual standby oil supply device and the oil supply device. The concrete stirring main machine comprises the oil supply system of the shaft end seal. The oil supply device is used for improving reliability of the oil suppl