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常用的恒功率控制液压柱塞泵,其恒功率控制机构主要依靠连杆机构以及功率弹簧之间的力平衡关系来近似实现恒功率控制,结构复杂,出现故障时检修困难。介绍液压柱塞泵杠杆调节恒功率控制机构的工作原理、公式推导及其在液压柱塞泵恒功率控制中的应用。实践证明,液压柱塞泵杠杆调节恒功率控制机构结构简单,性能可靠且安装检修方便。
Commonly used constant power control hydraulic piston pump, the constant power control mechanism mainly rely on the link mechanism and the power balance between the spring to approximate the realization of constant power control, the structure is complex, troubleshooting difficulties. This paper introduces the principle, formula derivation and its application in the constant power control of hydraulic piston pump. Practice has proved that the hydraulic piston pump lever adjustment constant power control mechanism has the advantages of simple structure, reliable performance and convenient installation and maintenance.