| 摘要 |
PURPOSE: A self-driven double parking apparatus is provided to reduce damage to others and improve spatial utilization by creating a parking space and temporarily using outdoors. CONSTITUTION: A self-driven double parking apparatus comprises a main body(10), an upper stage, a transmission unit(30), a lifting device(50), and a control unit(60). The upper stage is installed to move vertically by interposing side plates(21,22) on a pillar rail. The upper stage comprises a guide plate(26). The transmission unit supports the upper stage to guide rollers(32). The transmission unit moves vertically without sudden fluctuation. The lifting device raises the upper stage by operating a hydraulic pump(55) and a hydraulic cylinder(56) with the torque of a driving roller(52). The control unit unlocks oil force applied on the hydraulic cylinder ad drops the upper stage.
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