The invention relates to an engineering machinery self-propelled aerial working movable arm connecting mechanism. The engineering machinery self-propelled aerial working movable arm connecting mechanism comprises a chain, a connecting fork, a clamping plate, a limiting sleeve, a spring, a large gasket, a self-locking nut and a sensor. The engineering machinery self-propelled aerial working movable arm connecting mechanism is characterized in that the chain is hinged to the connecting fork; a screw section of the connecting fork penetrates through the clamping plate, the limiting sleeve, the large gasket and the self-locking nut, and the end of the screw section of the connecting fork is opposite to the sensor; on the basis of an original chain mechanism, a fastening mode with spring precompression is only adopted at the movable adjusting end of the original chain mechanism, the chain-breaking detection sensor is installed nearby, therefore, detection of chain failure can be easily achieved, accidents are prevented, and the equipment safety is improved; besides, a self-propelled aerial working platform chain failure sensing mechanism is simple in structure, convenient to manufacture, low in cost, reliable and good in applicability.


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    Title :

    Engineering machinery self-propelled aerial working movable arm connecting mechanism


    Contributors:
    XU XIUPING (author)

    Publication date :

    2016-01-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    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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