The invention discloses a core-pipe-free telescopic oil cylinder control system and a crane in the technical field of engineering machinery, the control system comprises a main control assembly and an in-arm control assembly, the main control assembly comprises a main controller, a telescopic oil cylinder large cavity pressure sensor and a telescopic balance valve, and the telescopic oil cylinder large cavity pressure sensor and the telescopic balance valve are electrically connected with the main controller; the in-arm control assembly comprises an in-arm controller, an in-arm detection element and an in-arm control element, wherein the in-arm detection element and the in-arm control element are electrically connected with the in-arm controller. And the main controller is electrically connected with the in-arm controller. The in-arm detection element comprises a cylinder arm pin detection switch, an arm position detection switch and an energy accumulator pressure sensor; the in-arm control element includes a cylinder pin switching valve and an arm pin switching valve. The in-arm controller is integrated in the arm and is combined with the main controller outside the arm for control, so that the telescopic controllability and the micro-motion performance are improved, meanwhile, element types and wire harness manufacturing are reduced, and maintenance and detection are convenient.

    本发明公开了工程机械技术领域的一种无芯管伸缩油缸控制系统及起重机,其控制系统包括:主控制组件和臂内控制组件,主控制组件包括主控制器、与主控制器电性连接的伸缩油缸大腔压力传感器和伸缩平衡阀;臂内控制组件包括臂内控制器、与臂内控制器电性连接的臂内检测元件和臂内控制元件;主控制器与臂内控制器电性连接。臂内检测元件包括缸臂销检测开关、臂位检测开关以及蓄能器压力传感器;臂内控制元件包括缸销切换阀和臂销切换阀。本发明通过在臂内集成臂内控制器,与臂外的主控制器进行联合控制,在提升伸缩操控性、微动性的同时,减少元件种类与线束制作,方便维修检测。


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    Title :

    Coreless tube telescopic oil cylinder control system and crane


    Additional title:

    一种无芯管伸缩油缸控制系统及起重机


    Contributors:
    CHEN XI (author) / CAO GUANGZHI (author) / ZHANG QINGMENG (author) / YANG WENLONG (author) / WU WEIWEI (author)

    Publication date :

    2025-02-18


    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 / B66C Krane , CRANES



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