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Electric drive bulldozer control device, control method and bulldozer
The control device comprises a hydraulic system and a control system, the hydraulic system comprises a hydraulic pump and an electric control multi-way reversing valve, the input end of the hydraulic pump is connected with a hydraulic oil tank, and the output end of the hydraulic pump is connected with an oil inlet of the electric control multi-way reversing valve; an oil return port of the electric control multi-way reversing valve is connected with the hydraulic oil tank, and a working oil port of the electric control multi-way reversing valve is connected with a plurality of execution oil cylinders; the control system comprises a controller and a motor, the motor is connected with the hydraulic pump, and the controller is in signal connection with the control handle and the motor; zero power loss of the hydraulic system can be realized when the system does not act, and when the system acts, a control signal directly acts on the power source motor, so that power output of the hydraulic system is controlled fundamentally, power loss caused by non-action of an executive component, throttling of a multi-way valve or load feedback and the like is reduced, and the reliability of the system is improved. And the response speed of the hydraulic system is improved.
本发明公开了一种电驱动推土机控制装置、控制方法及推土机，控制装置包括液压系统和控制系统，液压系统包括液压泵和电控多路换向阀，液压泵的输入端与液压油箱相连接，液压泵的输出端与电控多路换向阀进油口相连接，电控多路换向阀的回油口与液压油箱相连接，电控多路换向阀的工作油口上连接有多个执行油缸；控制系统包括控制器和电机，电机和液压泵相连接，控制器和操纵手柄及电机信号连接；本申请可实现当系统没有动作时，液压系统零功率损耗，当系统发生动作时，控制信号直接作用在动力源电机上，从根本上控制液压系统的功率输出，减少因执行元件无动作、多路阀节流或负载反馈等产生的功率损耗，并提高了液压系统的响应速度。
Electric drive bulldozer control device, control method and bulldozer
The control device comprises a hydraulic system and a control system, the hydraulic system comprises a hydraulic pump and an electric control multi-way reversing valve, the input end of the hydraulic pump is connected with a hydraulic oil tank, and the output end of the hydraulic pump is connected with an oil inlet of the electric control multi-way reversing valve; an oil return port of the electric control multi-way reversing valve is connected with the hydraulic oil tank, and a working oil port of the electric control multi-way reversing valve is connected with a plurality of execution oil cylinders; the control system comprises a controller and a motor, the motor is connected with the hydraulic pump, and the controller is in signal connection with the control handle and the motor; zero power loss of the hydraulic system can be realized when the system does not act, and when the system acts, a control signal directly acts on the power source motor, so that power output of the hydraulic system is controlled fundamentally, power loss caused by non-action of an executive component, throttling of a multi-way valve or load feedback and the like is reduced, and the reliability of the system is improved. And the response speed of the hydraulic system is improved.
本发明公开了一种电驱动推土机控制装置、控制方法及推土机，控制装置包括液压系统和控制系统，液压系统包括液压泵和电控多路换向阀，液压泵的输入端与液压油箱相连接，液压泵的输出端与电控多路换向阀进油口相连接，电控多路换向阀的回油口与液压油箱相连接，电控多路换向阀的工作油口上连接有多个执行油缸；控制系统包括控制器和电机，电机和液压泵相连接，控制器和操纵手柄及电机信号连接；本申请可实现当系统没有动作时，液压系统零功率损耗，当系统发生动作时，控制信号直接作用在动力源电机上，从根本上控制液压系统的功率输出，减少因执行元件无动作、多路阀节流或负载反馈等产生的功率损耗，并提高了液压系统的响应速度。
Electric drive bulldozer control device, control method and bulldozer
一种电驱动推土机控制装置、控制方法及推土机
LU SHENGLI (author) / FAN YANG (author) / TIAN RUI (author) / LI LIJUN (author) / CAI LIGENG (author) / HE BING (author)
2023-08-29
Patent
Electronic Resource
Chinese
IPC:
E02F
Baggern
,
DREDGING
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