| 摘要 |
Self-propelled carriage on wheels (3), for the horizontal transfer of motor vehicles by lifting two or more wheels, in automatic mechanical car parks, which carriage is characterized in that it comprises: one or two pairs of supporting means (58, 59) for the wheels of either or both of the axles of the motor vehicle, these means being movable symmetrically and perpendicularly with respect to the longitudinal axis of the carriage and designed to centre, immobilize and lift from beneath the said wheels; means for limiting the mass to be transferred; means for sensing, continuously during the transfer, the translational position of the carriage; means for sensing the presence of the motor vehicle on the carriage and measuring the front and rear lengths of the motor vehicle relative to its front axle; and means for sensing excessive displacement of the longitudinal axis of the motor vehicle relative to the longitudinal axis of the carriage when the motor vehicle is being positioned by the user in the entrance bay.
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