Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Excavator linear walking control system and method and excavator
The invention relates to a linear walking control system of an excavator, which comprises a first hydraulic pump, a second hydraulic pump, a left walking motor, a right walking motor, a linear walking valve and a controller, when the excavator runs linearly and has no loading action, the valve is positioned at a first position, the first pump supplies oil to the left walking motor through the valve, and the second pump supplies oil to the right walking motor; when the excavator performs the loading action while driving linearly, the valve is in the second position, the first pump supplies oil to the loading action via the valve, the second pump supplies oil to the right travel motor via the valve, and the second pump supplies oil to the left travel motor via the valve, and when the linear travel valve is in the first position and the controller receives a loading action signal from a loading operation handle, the controller controls the linear travel valve to operate. The displacements of the first and second pumps are gradually reduced from the current first working displacement to a first displacement setpoint in a delay phase, and the valve is switched from the first position to the second position at the end of the delay phase, and the displacement of the second pump is adjusted to the first working displacement. The invention further relates to a control method and an excavator.
本发明涉及挖掘机直线行走控制系统，包括第一和第二液压泵、左和右行走马达、直线行走阀和控制器，当挖掘机直线行驶且无上车动作时，阀处于第一位置，第一泵经由阀为左行走马达供油，第二泵为右行走马达供油，当挖掘机在直线行驶的同时执行上车动作时，阀处于第二位置，第一泵经由阀为上车动作供油，第二泵为右行走马达供油，并且经由阀为左行走马达供油，当直线行走阀处于第一位置且控制器接收到来自上车操作手柄的上车动作信号时，在延时阶段使第一和第二泵的排量从当前的第一工作排量逐渐地降低到第一排量设定值，以及在延时阶段的终点使阀从第一位置切换到第二位置，且将第二泵的排量调节到第一工作排量。本发明还涉及控制方法和挖掘机。
Excavator linear walking control system and method and excavator
The invention relates to a linear walking control system of an excavator, which comprises a first hydraulic pump, a second hydraulic pump, a left walking motor, a right walking motor, a linear walking valve and a controller, when the excavator runs linearly and has no loading action, the valve is positioned at a first position, the first pump supplies oil to the left walking motor through the valve, and the second pump supplies oil to the right walking motor; when the excavator performs the loading action while driving linearly, the valve is in the second position, the first pump supplies oil to the loading action via the valve, the second pump supplies oil to the right travel motor via the valve, and the second pump supplies oil to the left travel motor via the valve, and when the linear travel valve is in the first position and the controller receives a loading action signal from a loading operation handle, the controller controls the linear travel valve to operate. The displacements of the first and second pumps are gradually reduced from the current first working displacement to a first displacement setpoint in a delay phase, and the valve is switched from the first position to the second position at the end of the delay phase, and the displacement of the second pump is adjusted to the first working displacement. The invention further relates to a control method and an excavator.
本发明涉及挖掘机直线行走控制系统，包括第一和第二液压泵、左和右行走马达、直线行走阀和控制器，当挖掘机直线行驶且无上车动作时，阀处于第一位置，第一泵经由阀为左行走马达供油，第二泵为右行走马达供油，当挖掘机在直线行驶的同时执行上车动作时，阀处于第二位置，第一泵经由阀为上车动作供油，第二泵为右行走马达供油，并且经由阀为左行走马达供油，当直线行走阀处于第一位置且控制器接收到来自上车操作手柄的上车动作信号时，在延时阶段使第一和第二泵的排量从当前的第一工作排量逐渐地降低到第一排量设定值，以及在延时阶段的终点使阀从第一位置切换到第二位置，且将第二泵的排量调节到第一工作排量。本发明还涉及控制方法和挖掘机。
Excavator linear walking control system and method and excavator
挖掘机直线行走控制系统和方法以及挖掘机
LYU CHAO (Autor:in) / XIAO FEI (Autor:in) / CHEN FEI (Autor:in) / ZHANG XIAONA (Autor:in)
16.06.2023
Patent
Elektronische Ressource
Chinesisch
IPC:
E02F
Baggern
,
DREDGING
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