The invention discloses a self-positioning locking double tire pressing arm of a tire changer, which comprises a pressing block movable arm, a pressing wheel movable arm which can be connected with the pressing block movable arm in a relatively rotating manner, a main cross bar of which one end is provided with a movable positioning pin guide hole, and a self-positioning locking part, the self-positioning locking component comprises a positioning disc, a locking disc, a positioning shaft and a movable positioning pin, the positioning disc is fixedly connected with the pressing block movable arm, the lower portion of the positioning disc is a flange-shaped disc, one part of the upper surface of the flange-shaped disc is a horizontal section, the other part of the upper surface of the flange-shaped disc is a protruding part higher than the horizontal section, and the two sides of the top of the protruding part are in transition with the horizontal section through inclined planes; the locking disc is fixedly connected with the pressing wheel movable arm; the upper part of the locking disc is a flange-shaped disc and is provided with a lock pin hole; the positioning disc and the locking disc are rotationally connected with the two ends of the positioning shaft respectively. The middle of the positioning shaft is fixedly connected with the main cross bar. The movable positioning pin is provided with a movable pin groove capable of being embedded into the flange-shaped disc of the positioning disc. The positioning disc can drive the movable positioning pin to move up and down when rotating.

    本发明公开了一种自定位锁紧的拆胎机双压胎臂,包括压块活动臂和与压块活动臂可相对转动连接的压轮活动臂以及一端设有移动定位销导向孔的主横杠,还包括自定位锁紧部件,自定位锁紧部件包括定位盘、锁紧盘、定位轴以及移动定位销,其中:定位盘与压块活动臂固定连接,定位盘下部为法兰状圆盘,法兰状圆盘上表面的一部分为水平段、另一部分为高于水平段的凸起部,凸起部顶部两侧与水平段通过倾斜面过渡;锁紧盘与压轮活动臂固定连接,锁紧盘的上部为法兰状圆盘并设有锁销孔;定位盘、锁紧盘分别与定位轴两端可转动连接,定位轴中部与主横杠固定连接;移动定位销上设有可嵌入定位盘的法兰状圆盘的移动销槽。定位盘转动时可驱动移动定位销上下运动。


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    Title :

    Self-positioning and locking double tire pressing arms of tire changer


    Additional title:

    一种自定位锁紧的拆胎机双压胎臂


    Contributors:

    Publication date :

    2023-11-03


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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