| 摘要 |
The invention relates to a double hydraulic gear pump with external gearing, in one-piece construction, that can be used within a hydraulic installation which may be employed in a broad range of machines and equipments of various fields of activity. According to the invention, the pump comprises a body (1) wherein there are mounted two compensators (6) wherein there are rotary supported and between which there engages, in the same plane, a driving pinion (7) and three identical driven pinions (8, 9 and 10), all said pinions (7, 8, 9 and 10) being circularly-symmetrically arranged in a closed engagement chain, for closing purposes the assembly being provided with a front flange (2) and a rear cover (3) fixed onto the body (1) by means of some screws (4) positioned with some nuts (5) and by means of some adjusting pins, where a driving pin of the driving pinion (7) passes through the front flange (2), the sealing being provided by means of an oil retainer (11) secured by a resilient ring (12) and some gaskets (13 and 14). |
