The invention relates to the technical field of engineering machinery, and provides a landing leg bolt, a rear landing leg assembly and an operation machine.The landing leg bolt comprises a first pin body and a second pin body, and a locking structure is arranged between the second end of the first pin body and the first end of the second pin body; the locking structure can be switched between an unlocking state and a locking state, in the locking state, the locking structure can limit relative displacement of the second pin body and the first pin body in the respective axis direction, and in the unlocking state, the first pin body and the second pin body can move relative to each other in the respective axis direction till the second pin body is separated from the first pin body. By means of the arrangement, assembly and disassembly operation of the supporting leg bolt on the right rear supporting leg can be completed on the side, away from the right rear supporting leg, of the left rear supporting leg, and the problem that in the prior art, due to space limitation, the supporting leg bolt cannot lock and fix the relative position of a movable supporting leg and a fixed supporting leg box of the all-terrain crane is solved.

    本发明涉及工程机械技术领域,提供一种支腿插销、后支腿组件及作业机械,其中,支腿插销包括第一销体和第二销体,第一销体的第二端与第二销体的第一端之间设置有锁止结构;锁止结构能够在解锁状态与锁止状态之间切换,在锁止状态下,锁止结构能够限制第二销体与第一销体沿各自的轴线方向相对位移,在解锁状态下,第一销体和第二销体能够沿各自的轴线方向相对位移至第二销体与第一销体相分离。如此设置,在左后支腿远离右后支腿的一侧即可完成支腿插销在右后支腿上的装拆操作,解决了现有技术中的支腿插销受空间限制无法对全地面起重机的活动支腿和固定支腿箱的相对位置进行锁止固定的问题。


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    Titel :

    Landing leg bolt, rear landing leg assembly and operation machine


    Weitere Titelangaben:

    支腿插销、后支腿组件及作业机械


    Beteiligte:
    CHEN ZHUO (Autor:in) / SHEN CHUAN (Autor:in) / LIU JIANPEI (Autor:in)

    Erscheinungsdatum :

    2022-07-29


    Medientyp :

    Patent


    Format :

    Elektronische Ressource


    Sprache :

    Chinesisch


    Klassifikation :

    IPC:    B66C Krane , CRANES / F16B DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES , Vorrichtungen zum Befestigen oder Sichern von Konstruktionselementen oder Maschinenteilen, z.B. Nägel, Bolzen, Schrauben, Sprengringe, Klemmen, Klammern oder Keile



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