Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Electromagnetic chuck control system and method and excavator
The invention relates to an electromagnetic chuck, in particular to an electromagnetic chuck control system and method and an excavator, and the control system comprises a hydraulic pump, a control main valve used for controlling other hydraulic execution parts, a hydraulic motor used for driving a power generator on the electromagnetic chuck, and a motor control valve used for controlling the hydraulic motor to start and stop. The system further comprises a pressure compensation valve, an oil inlet and an oil outlet of the pressure compensation valve are correspondingly connected with the hydraulic pump and an oil inlet of the control main valve, a P opening of the pressure compensation valve is connected with the oil inlet end of the motor control valve, and the oil outlet end of the motor control valve is communicated with the oil inlet end of the hydraulic motor and an LS opening of the pressure compensation valve at the same time. According to the invention, the pressure compensation valve is arranged at the oil inlet end of the motor control valve to ensure that the flow flowing to the hydraulic motor does not fluctuate along with the fluctuation of the load, so that the hydraulic motor for driving the generator works stably and the electromagnetic chuck works safely.
本发明涉及电磁吸盘，本发明构造一种电磁吸盘控制系统、方法和挖掘机，其中控制系统包括液压泵、用于控制其他液压执行件的控制主阀、用于驱动电磁吸盘上发电机的液压马达、用于启停控制液压马达的马达控制阀；系统还包括压力补偿阀，所述压力补偿阀的进出油口对应与液压泵和控制主阀进油口连接，所述压力补偿阀的P口与马达控制阀的进油端连接，马达控制阀的出油端同时与液压马达进油端和所述压力补偿阀的LS口连通。在本发明中，在马达控制阀的进油端设置压力补偿阀，确保流向液压马达的流量不随负载的波动而波动，从而使驱动发电机的液压马达工作稳定而使电磁吸盘安全工作。
Electromagnetic chuck control system and method and excavator
The invention relates to an electromagnetic chuck, in particular to an electromagnetic chuck control system and method and an excavator, and the control system comprises a hydraulic pump, a control main valve used for controlling other hydraulic execution parts, a hydraulic motor used for driving a power generator on the electromagnetic chuck, and a motor control valve used for controlling the hydraulic motor to start and stop. The system further comprises a pressure compensation valve, an oil inlet and an oil outlet of the pressure compensation valve are correspondingly connected with the hydraulic pump and an oil inlet of the control main valve, a P opening of the pressure compensation valve is connected with the oil inlet end of the motor control valve, and the oil outlet end of the motor control valve is communicated with the oil inlet end of the hydraulic motor and an LS opening of the pressure compensation valve at the same time. According to the invention, the pressure compensation valve is arranged at the oil inlet end of the motor control valve to ensure that the flow flowing to the hydraulic motor does not fluctuate along with the fluctuation of the load, so that the hydraulic motor for driving the generator works stably and the electromagnetic chuck works safely.
本发明涉及电磁吸盘，本发明构造一种电磁吸盘控制系统、方法和挖掘机，其中控制系统包括液压泵、用于控制其他液压执行件的控制主阀、用于驱动电磁吸盘上发电机的液压马达、用于启停控制液压马达的马达控制阀；系统还包括压力补偿阀，所述压力补偿阀的进出油口对应与液压泵和控制主阀进油口连接，所述压力补偿阀的P口与马达控制阀的进油端连接，马达控制阀的出油端同时与液压马达进油端和所述压力补偿阀的LS口连通。在本发明中，在马达控制阀的进油端设置压力补偿阀，确保流向液压马达的流量不随负载的波动而波动，从而使驱动发电机的液压马达工作稳定而使电磁吸盘安全工作。
Electromagnetic chuck control system and method and excavator
电磁吸盘控制系统、方法和挖掘机
DAI MIN (Autor:in) / GAO GUOJUN (Autor:in) / LI JING (Autor:in)
12.07.2024
Patent
Elektronische Ressource
Chinesisch
IPC:
E02F
Baggern
,
DREDGING
Excavator control method, excavator control system and excavator
| Europäisches Patentamt | 2024