The invention provides a crane telescopic arm bolt device of a chain wheel and chain mechanism driven by a hydraulic motor and a working method of the crane telescopic arm bolt device, the crane telescopic arm bolt device comprises a locking device, the hydraulic motor, a rotating device and a supporting device, a crane telescopic arm comprises a basic arm and multiple sections of telescopic arms, and the root of each section of telescopic arm is provided with an arm pin used for being connected with the adjacent telescopic arm in a locking mode; the supporting device is connected with the root of the basic boom, the rotating device is installed on the supporting device, the locking device is connected to the rotating device, the hydraulic motor is connected with the rotating device and drives the rotating device to rotate, the rotating device is used for driving the locking device to move to each section of telescopic boom, and the locking device is used for achieving locking connection between the rotating device and the telescopic boom. After locking connection, the hydraulic motor drives the rotating device to drive the telescopic arm to stretch out or retract. The invention has the characteristics of increasing the effective displacement of the cylinder pin and the plug pin device, reducing the size of the telescopic arm plug pin device, reducing the total weight of the boom system, reducing the manufacturing cost and having wide application range.

    本发明提供一种液压马达驱动链轮链条机构的起重机伸缩臂插销装置及其工作方法,包括锁紧装置、液压马达、转动装置和支撑装置,起重机伸缩臂包括基本臂和多节伸缩臂,每节伸缩臂根部设有臂销,用于与相邻伸缩臂进行锁定连接;支撑装置与基本臂根部连接,转动装置安装在支撑装置上,锁紧装置连接在转动装置上,液压马达与转动装置相连,驱动转动装置转动,转动装置用于带动锁紧装置移动至每节伸缩臂处,锁紧装置用于实现转动装置与伸缩臂的锁定连接,锁定连接后,通过液压马达驱动转动装置带动伸缩臂进行伸出或缩回。本发明具有增加缸销与插拔销装置的有效位移,缩小伸缩臂插销装置尺寸,减小臂架系统的总体重量,降低制造成本,应用范围广的特点。


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    Title :

    Crane telescopic arm plug pin device of chain wheel and chain mechanism driven by hydraulic motor and working method of crane telescopic arm plug pin device


    Additional title:

    一种液压马达驱动链轮链条机构的起重机伸缩臂插销装置及其工作方法


    Contributors:
    FENG KAI (author) / YANG QINGLE (author)

    Publication date :

    2024-06-28


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES




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