A dual pass-through lifting device comprising a lower pass-through block (3) and an upper pass-through block (4) secured to a lifting hook, in which both pass-through blocks comprise reversible connecting means adapted to be reversibly configured between a connected configuration and a disconnected configuration, the reversible connecting means comprising a locking mechanism and a complementary locking mechanism, the complementary locking structure comprises a frame (60) firmly supporting a bolt (62), and the locking mechanism comprises: a chassis (50) having a locking channel (53) provided with an interface piece (54) through which the bolt can enter and exit and in which the bolt can respectively slide when the two penetrating blocks are relatively close to or away from each other; and at least one latch (52) pivotally mounted on the chassis so as to pivot within the locking channel and provided with a free end (56) adapted to engage with the bolt.

    一种双穿绕提升装置,包括固定到提升钩的下穿绕块(3)和上穿绕块(4),其中两个穿绕块包括可逆连接器件,该可逆连接器件适于在连接构造和断开构造之间可逆地构造,该可逆连接器件包括锁定机构和互补锁定结构,该互补锁定结构包括牢固地支撑螺栓(62)的框架(60),并且该锁定机构包括:底盘(50),其具有设置有接口件(54)的锁定通道(53),当两个穿绕块之间相对接近或远离时,螺栓可以穿过该接口件进入和退出,并且可以分别在锁定通道中滑动;以及至少一个闩锁(52),其枢转地安装在底盘上,以便在锁定通道内枢转,并且设置有适于与螺栓接合的自由端部(56)。


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    Title :

    Dual pass-through lifting device with latch locking mechanism


    Additional title:

    具有闩锁锁定机构的双穿绕提升装置


    Contributors:

    Publication date :

    2022-04-01


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B66C Krane , CRANES



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