Two air cylinder spring reset, and formula is automatic prevents stinging safety device

The utility model discloses a two air cylinder spring reset, and formula is automatic prevents stinging safety device. On being fixed in the automobile body before the tire through stronger inflexiblesupporting structure installation, the permanent magnetism of its lower extreme is inhaled the thorn magnet piece and can be sailed and park the little iron and steel thorn thing of in -process before with the tire in whole garage and hold, infrared detector through the long circular telegram in its both sides detects whether absorb iron and steel thorn thing, if detect the thorn behind the thingcomputer of system received the signal, signals is to gas -circuit control valve, the gas circuit with one end is connected to the cylinder of valve is opened, compressed gas gets into the promotionpiston rod and stretches out, cylinder pole promotion electromagnet mechanism passes through the gyro wheel and down moves along the support guide slot, simultaneously to producing the circular telegram of magnetic electromagne