The low-energy-consumption hydraulic grab bucket system comprises an execution unit, a hydraulic control unit and a pressure maintaining unit, the execution unit is used for controlling claw petals to be opened or closed through telescopic driving of a hydraulic cylinder, and the hydraulic control unit comprises a servo motor and a control valve block. The servo motor provides hydraulic oil for the control valve block through the driving oil pump, the control valve block communicates with the execution unit and controls the hydraulic cylinder to stretch out and draw back by switching a hydraulic oil flowing path, and the pressure maintaining unit communicates with the execution unit and the hydraulic control unit and comprises a pressure sensor assembly. When the pressure sensor assembly reaches the set opening or closing pressure, the pressure sensor assembly sends an electric signal to the servo motor and enables the servo motor to stop, and the hydraulic grab bucket system enters a pressure maintaining state; according to the invention, rapid starting and stopping can be realized to realize sensitive action and pressure closed-loop control, so that the total energy consumption of the hydraulic grab bucket is reduced, the maintenance difficulty is reduced, and the fault frequency is reduced.

    本发明公开了一种低能耗液压抓斗系统及其抓斗,包括执行单元、液压控制单元及保压单元,执行单元通过液压缸的伸缩驱动用以控制爪瓣张开或闭合,液压控制单元包括伺服电机及控制阀块,伺服电机通过驱动油泵对控制阀块提供液压油,控制阀块连通执行单元并通过切换液压油流动路径控制液压缸的伸缩,保压单元连通执行单元与液压控制单元,保压单元包括压力传感器组件,当压力传感器组件到达所设定的张开或闭合压力时,压力传感器组件向伺服电机发送电信号并使伺服电机停止,液压抓斗系统进入保压状态;本发明可以实现快速的启停达到动作灵敏及压力的闭环控制,从而减少了液压抓斗总耗能量,降低维修维护的难度,减少故障频率。


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    Title :

    Low-energy-consumption hydraulic grab bucket system and grab bucket thereof


    Additional title:

    一种低能耗液压抓斗系统及其抓斗


    Contributors:
    CHEN XING (author) / ZENG YI (author)

    Publication date :

    2024-11-15


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein



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