Dual-power dual-mode hydraulic pump control system

The invention discloses a dual-power dual-mode hydraulic pump control system. When the system is started under the single-power or double-power condition, a variable pump can be controlled by an integrated valve set to achieve multiple purposes, the variable pump can be used as a load-sensitive variable pump and a constant-pressure variable pump, the requirement for working of multiple working conditions and multiple executing mechanisms can be effectively met, the system is simple, and the cost is low; and actuating mechanisms can be controlled to act in a double-power confluence mode, so that the problem that the system flow is insufficient when the multiple actuating mechanisms act at the same time under the single-power condition can be solved. 本发明公开了一种双动力双模式液压泵控制系统。可以在单动力或者双动力条件下启动时，通过集成阀组控制实现变量泵一泵多用，即可以当负载敏感变量泵使用又可以当恒压变量泵使用，可以有效的解决多工况多执行机构工作的需求，系统简单、成本低；且本提案可以双动力合流控制执行机构动作，可解决单动力条件下多个执行机构同时动作时系统流量不足的问题。