The invention discloses a locking mechanism for a switch machine, which belongs to the technical field of switch machines, and comprises a locking body which sleeves an action rod and is connected with the action rod through a squeezing cutting and stripping assembly, and a lock hook which is arranged on the inner wall of a box body of the switch machine and can realize a locking action with the locking body; an insertion hole for the lock hook to be inserted is horizontally formed in the locking body in the moving direction of the action rod, a through hole for the shifting plate to penetrate through is formed in the locking body, the insertion hole and the through hole are communicated through a communicating hole, and a locking roller capable of moving up and down in the communicating hole is arranged in the communicating hole; a stop block used for limiting the locking roller is arranged in the locking body and located above the locking roller, a groove matched with the locking roller is formed in the front end of the lock hook, it is guaranteed that the locking action of the action rod is effective and reliable, and the stability and reliability of equipment are improved; and the extrusion cutting can be protected, the abnormal fracture phenomenon is avoided, and the fracture indication function is achieved.

    本发明公开了一种用于转辙机的锁闭机构,属于转辙机技术领域,包括套设在动作杆上并通过挤切削和挤脱组件与动作杆相连接的锁闭体,设置在转辙机箱体内壁并可与锁闭体实现锁闭动作的锁钩;锁闭体内沿动作杆运动方向水平设置有用于锁钩插入的插入孔,锁闭体上设置有用于拨动板贯穿的贯穿孔,插入孔与贯穿孔之间通过连通孔相连通,连通孔内设置有可在连通孔内上下移动的锁闭滚轮,锁闭体内位于锁闭滚轮上方设置有用于对锁闭滚轮进行限位的挡块,锁钩的前端设置有与锁闭滚轮相匹配的凹槽,本发明保证了动作杆锁闭动作的有效可靠,提高设备的稳定性和可靠性;能够对挤切削起到保护效果,避免发生异常断裂的现象,并且具有断表示功能。


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    Title :

    Locking mechanism for switch machine


    Additional title:

    一种用于转辙机的锁闭机构


    Contributors:
    WANG XIAOYI (author) / ZHANG SHUDONG (author)

    Publication date :

    2022-05-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC



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