The invention provides a direct drive volume control electro-hydraulic servo device which comprises a power source, a control valve set, an executing mechanism and a measurement and control system, the power source comprises an alternating current servo motor and a motor drive pump, and the control valve set comprises a leakage-free electromagnetic reversing valve, a direct-acting oil supplementing overflow valve, a pressure sensor and a damper. The elements of the control valve group are integrally mounted on the control valve group in a plug-in mounting manner; the actuating mechanism comprises a hydraulic cylinder and a pressure-bearing oil tank; the control valve group is mounted on a rear end cover of the hydraulic cylinder of the actuating mechanism through a bolt; and the measurement and control system is used for controlling the power source, the control valve group and electrical elements in the execution mechanism to perform corresponding actions and corresponding data processing. The device provided by the invention is integrally designed, the reversing, speed regulation and voltage regulation functions of the control system are all directly controlled by the alternating current servo motor, and the device has the advantages of high efficiency, energy conservation, small size, integration, simplicity in operation and control, low cost and the like.

    本发明提供了一种直接驱动容积控制电液伺服装置,包括动力源、控制阀组、执行机构和测控系统,动力源包括交流伺服电机和电机驱动泵,控制阀组包括无泄漏电磁换向阀、直动式补油溢流阀、压力传感器和阻尼,控制阀组的上述元件采用插装式,集成安装在控制阀组上;执行机构包括液压缸和承压油箱,控制阀组通过螺栓安装在执行机构的液压缸后端盖上;测控系统用于控制动力源、控制阀组和执行机构中的电气元件进行相应动作以及进行相应数据处理。本发明提供的装置整体采用一体化设计,控制系统的换向、调速、调压功能全由交流伺服电机直接控制,具有高效节能、小型集成化、操作与控制简单、成本低等优势。


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    Title :

    Direct drive volume control electro-hydraulic servo device


    Additional title:

    一种直接驱动容积控制电液伺服装置


    Contributors:
    LIU YUFENG (author) / DONG WANYU (author) / SHI CHEN (author) / ZHENG WEIGUO (author) / QIN ZHENG (author)

    Publication date :

    2022-07-05


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein / B66F HOISTING, LIFTING, HAULING, OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD , Hub-, Verhol- oder Schubvorrichtungen, soweit nicht anderweitig vorgesehen, z.B. Vorrichtungen mit unmittelbarer Krafteinwirkung auf die Last



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