The invention discloses an electro-hydraulic steering start-stop stability control system of engineering machinery and a control method of the electro-hydraulic steering start-stop stability control system in the technical field of engineering machinery, and the system comprises a steering execution mechanism which comprises a left-turning oil cylinder and a right-turning oil cylinder; the steering control valve is connected with the left-turning oil cylinder and the right-turning oil cylinder and used for supplying oil to the left-turning oil cylinder or the right-turning oil cylinder; the steering gear comprises a steering wheel and a hydraulic steering gear, the steering wheel is connected with the control end of the hydraulic steering gear, and the hydraulic steering gear is connected with the control end of the steering control valve and used for driving the steering control valve to act; a one-way valve and an electronic limiting valve are further arranged on a control oil way between the hydraulic steering gear and the steering control valve and used for ensuring stable steering start and stop; the input end of the motor pump is connected with the hydraulic oil tank, and the output end of the motor pump is connected with the steering control valve and the hydraulic steering gear and used for supplying oil to the steering control valve and the hydraulic steering gear. Based on the system and the corresponding control method, the steering operation experience of the engineering machinery can be remarkably improved.
本发明公开了工程机械技术领域的一种工程机械的电液转向启停平稳控制系统及其控制方法,系统包括:转向执行机构,包括左转油缸和右转油缸;转向控制阀,与左转油缸和右转油缸连接,用于对左转油缸或右转油缸供油;转向器,包括方向盘和液压转向器,方向盘与液压转向器的控制端连接,液压转向器与转向控制阀的控制端连接,用于驱动转向控制阀动作;液压转向器和转向控制阀之间的控制油路上还设置有单向阀和电子限位阀,用于保证转向启停平稳;电机泵,其输入端与液压油箱连接,其输出端与转向控制阀和液压转向器连接,用于对转向控制阀和液压转向器供油。本发明基于上述系统以及相应的控制方法,能够显著提升工程机械转向操作体验。
Electro-hydraulic steering start-stop stability control system of engineering machinery and control method of electro-hydraulic steering start-stop stability control system
一种工程机械的电液转向启停平稳控制系统及其控制方法
2025-03-18
Patent
Electronic Resource
Chinese
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |