The invention discloses a shaft type pneumatic locking device for a tire changer. The device is a tire locking part of the tire changer. Comprising a pneumatic piston, a connecting shaft, a centering fastening shaft, a spring bolt assembly and a pneumatic assembly, wherein the pneumatic piston is of a hollow structure in which two piston spring bolt holes penetrating from inside to outside are symmetrically formed in a piston body; the center of the connecting shaft is of a hollow structure, and two connecting shaft spring bolt holes penetrating inside and outside are symmetrically formed in the connecting shaft. The centering fastening shaft is installed in the hollow structure of the connecting shaft, and an annular locking groove is formed in the surface of the lower portion. A U-shaped spring bolt body of the spring bolt assembly is connected with the spring bolt support, and a spring bolt is opposite to the piston spring bolt hole. The pneumatic assembly comprises a lock disc and a spring base, a gas cavity is formed between the lock disc and the pneumatic piston disc, a spring is installed between the pneumatic piston disc and the spring base, the connecting shaft penetrates through the spring base, the pneumatic piston disc and the lock disc and is fixedly connected with the spring base and the lock disc, and the lower portion of the connecting shaft is connected with the base in a relatively rotating mode.

    本发明公开了一种轮胎拆装机用轴式气动锁紧装置,该装置是轮胎拆装机锁紧轮胎的部件。包括气动活塞、连接轴、定心紧固轴、锁舌组件和气动组件,其中:气动活塞为在活塞体上对称设置2个内外穿透的活塞锁舌孔中空结构;连接轴的中心部位为空心结构、在连接轴上对称设置2个内外穿透的连接轴锁舌孔;定心紧固轴安装在连接轴的空心结构内,下部表面设有环形锁紧槽;锁舌组件的U型锁舌体与锁舌支架连接且锁舌与活塞锁舌孔相对;气动组件包括锁盘和弹簧底座,锁盘与气动活塞盘之间形成气体空腔,气动活塞盘与弹簧底座之间装有弹簧,连接轴穿过弹簧底座、气动活塞盘和锁盘并与弹簧底座和锁盘固定连接,连接轴下部可相对转动的连接底座。


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    Title :

    Shaft type pneumatic locking device for tire changer


    Additional title:

    一种轮胎拆装机用轴式气动锁紧装置


    Contributors:

    Publication date :

    2023-10-31


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Chinese


    Classification :

    IPC:    B60C VEHICLE TYRES , Fahrzeugreifen



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