The invention provides a crane supporting leg operating mechanism and a crane with the same. The crane supporting leg operating mechanism comprises an operating handle (10), and an operating valve (20) with a valve core and also comprises an operating connecting rod (11), a valve core connecting rod (21) and a locking structure (30), wherein the operating connecting rod (11) extends in the first direction; the operating handle (10) drives the operating connecting rod (11) to move in the first direction; the valve core connecting rod (21) drives the valve core to move; the locking structure (30) comprises a locking piece (31); the locking piece (31) has a drive effectiveness state and a drive failure state; when the locking piece (31) is positioned in the drive effectiveness state, the valve core connecting rod (21) and the operating connecting rod (11) synchronously move in the first direction; and when the locking piece (31) is positioned in the drive failure state, the operating connecting rod (11) cannot drive the valve core connecting rod (21) to move in the first direction. The technical scheme of the invention has high safety.


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    Title :

    Crane supporting leg operating mechanism and crane with same


    Contributors:
    CHEN HUALIN (author) / PENG YOUYI (author) / CHENG YINGQIU (author)

    Publication date :

    2015-05-20


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B66C Krane , CRANES



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