| 摘要 |
The device for parking a vehicle in a small area, changes the direction of tyre wheel at the stop state by 90 degrees by using compressed air. The device comprises an air compressor (2) connected with an air tank (7) and driven by the gear (1) of the engine driving shaft; an exhaust valve (4) of the air compressor connected with the air tank; a solenoid valve (8), for discharging the pressure of the air tank, connected with the starting switch (21); a 3-way valve (11) for changing direction of the compressed air; an air cylinder (16) lifted by the compressed air; a solenoid valve (9), for maintaining the pressure of the air cylinder, operated by a limit switch (18); a flexible hose (19) connected with the 3-way valve; a rotary shaft (24) for supporting the small tyre (15).
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