The invention relates to a vehicle with a stair climbing function. The vehicle comprises a frame and at least one power wheel, each power wheel comprises a wheel frame (1) and a wheel (2) mounted on the wheel frame, the wheels (2) can be controlled to rotate and brake under driving of a power device, wheel lugs (3) are mounted on the side faces of the wheels (2) and rotatably retract or extend, the wheel lugs are positioned in radial contours of the wheels (2) when retracting, the wheel lugs radially extend out of the contours of the wheels (2) and are limited to serve as supporting points of the power wheels going up and down stairs when extending out, and the vehicle can have stair climbing capacity without an extra power device only by adding the wheel lugs, corresponding picks, springs and the like on common power wheels, so that small size and low cost are added.
Wheel-type stair climbing vehicle
2015-04-01
Patent
Electronic Resource
English
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge / A61G TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS , Transport, persönliche Beförderungsmittel, oder Lagerung besonders ausgebildet für Kranke oder Behinderte / B62B Von Hand bewegte Fahrzeuge, z.B. Handkarren oder Kinderwagen , HAND-PROPELLED VEHICLES, e.g. HAND CARTS OR PERAMBULATORS / B62M RIDER PROPULSION OF WHEELED VEHICLES OR SLEDGES , Antrieb von Radfahrzeugen oder Schlitten durch den Fahrer |