Hydrostatic land leveler control method and system: Fid-Bau Portal

Hydrostatic land leveler control method and system

CUI YONGGUO / WANG YAN / MENG LINGLEI / LI PENG / ZHOU ZHONGRUI / WANG BIN

The invention discloses a hydrostatic land leveler control method and system, and belongs to the field of hydrostatic land leveler control. A hydrostatic land leveler comprises an engine, an accelerator pedal, a walking pump, a first hydraulic motor, a second hydraulic motor and a transfer case; the engine selects different rotating speed sections according to load working conditions; after the rotating speed section of the engine is determined, the current rotating speed of the engine only falls into the current rotating speed section; and the speed of the land leveler is controlled by changing the displacement of the walking pump, the first hydraulic motor and the second hydraulic motor and the meshing state of the first hydraulic motor and/or the second hydraulic motor according to the opening degree of the accelerator pedal. The rotating speed section of the engine is adjusted according to the load working condition, the displacement and the meshing state of the walking pump and the hydraulic motor are controlled in combination with the opening degree of the accelerator pedal, the speed of the land leveler can be accurately controlled, and the fuel consumption is reduced while the working efficiency is improved.

本发明公开了一种静液压平地机控制方法及系统，属于静液压平地机控制领域，静液压平地机包括发动机、油门踏板、行走泵、第一液压马达、第二液压马达和分动箱；发动机根据负载工况选择不同的转速区段；在发动机的转速区段确定后，发动机的当前转速就只会落入到当前转速区段内；根据油门踏板的开度，改变行走泵、第一液压马达和第二液压马达的排量以及第一液压马达和/或第二液压马达的啮合状态来控制平地机的车速。根据负载工况调整发动机转速区段，并结合油门踏板的开度控制行走泵及液压马达的排量和啮合状态，可以实现对平地机车速的精确控制，提高作业效率的同时降低了燃油消耗。

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