Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Negative flow external control electro-hydraulic system and method
The invention relates to a negative flow external control electro-hydraulic system and method. The system comprises a control handle, a PLC, a pilot pump, an electric proportional valve group, a main pump, a negative flow valve group, a rotary motor and an oil cylinder; the control handle is used for controlling each action of an excavator; the PLC is used for receiving a control signal of the control handle and performing switching value control, analog quantity control, motion control, data acquisition and signal monitoring according to the control signal; the pilot pump is connected with the electric proportional valve group and used for supplying oil to the electric proportional valve group; the main pump is connected with the negative flow valve group and is used for supplying oil to the negative flow valve group; the negative flow valve group is also connected with the electric proportional valve group; the rotary motor is connected with the negative flow valve group; and the oil cylinder is connected with the negative flow valve group. According to the method and the system, the excavator can be remotely controlled outside a cab.
本发明涉及一种负流量外控电液系统及方法，系统包括：控制手柄、PLC控制器、先导泵、电比例阀组、主泵、负流量阀组、回转马达以及油缸；控制手柄用于操控挖掘机的各个动作；PLC控制器，PLC控制器用于接收控制手柄的控制信号，根据控制信号进行开关量控制、模拟量控制、运动控制、数据采集以及信号监控；先导泵与电比例阀组连接，先导泵用于给电比例阀组供油；主泵与负流量阀组连接，主泵用于给负流量阀组供油；负流量阀组还与电比例阀组连接；回转马达与负流量阀组连接；油缸与负流量阀组连接。本发明中的上述方法及系统能够在驾驶室外对挖掘机进行远程控制。
Negative flow external control electro-hydraulic system and method
The invention relates to a negative flow external control electro-hydraulic system and method. The system comprises a control handle, a PLC, a pilot pump, an electric proportional valve group, a main pump, a negative flow valve group, a rotary motor and an oil cylinder; the control handle is used for controlling each action of an excavator; the PLC is used for receiving a control signal of the control handle and performing switching value control, analog quantity control, motion control, data acquisition and signal monitoring according to the control signal; the pilot pump is connected with the electric proportional valve group and used for supplying oil to the electric proportional valve group; the main pump is connected with the negative flow valve group and is used for supplying oil to the negative flow valve group; the negative flow valve group is also connected with the electric proportional valve group; the rotary motor is connected with the negative flow valve group; and the oil cylinder is connected with the negative flow valve group. According to the method and the system, the excavator can be remotely controlled outside a cab.
本发明涉及一种负流量外控电液系统及方法，系统包括：控制手柄、PLC控制器、先导泵、电比例阀组、主泵、负流量阀组、回转马达以及油缸；控制手柄用于操控挖掘机的各个动作；PLC控制器，PLC控制器用于接收控制手柄的控制信号，根据控制信号进行开关量控制、模拟量控制、运动控制、数据采集以及信号监控；先导泵与电比例阀组连接，先导泵用于给电比例阀组供油；主泵与负流量阀组连接，主泵用于给负流量阀组供油；负流量阀组还与电比例阀组连接；回转马达与负流量阀组连接；油缸与负流量阀组连接。本发明中的上述方法及系统能够在驾驶室外对挖掘机进行远程控制。
Negative flow external control electro-hydraulic system and method
一种负流量外控电液系统及方法
CHEN GENLONG (Autor:in) / SONG GANG (Autor:in) / SHAO YUTAO (Autor:in) / CUI SHUYING (Autor:in) / NIU QINGLEI (Autor:in)
18.06.2021
Patent
Elektronische Ressource
Chinesisch
IPC:
E02F
Baggern
,
DREDGING
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