The invention discloses a novel wheel-crawler compound electrically propelled
wheelchair, which comprises first side plates, first crawler wheels, front support rods, front wheels, first pin shafts, a first rotating plate, pinions, front axles, gearwheels, transmission shafts, couplings, main crawler belts, second crawler wheels, secondary crawler belts, third crawler wheels, hollow shafts, a long shaft, motor bases, a bottom plate, fixing plates, rear wheels, rear axles, a second rotating plate, second pin shafts, rear support rods, driven shafts, second side plates, a first transverse plate, supports, a first rotating shaft, a first electric expansion link, a second electric expansion link, a second rotating shaft seat, a second rotating shaft, a chair, a third rotating shaft, a third rotating shaft seat, a fourth rotating shaft seat and a fifth rotating shaft seat. A wheel-type walking mode and a crawler walking mode are respectively adopted by the novel electric
wheelchair with a function of going upstairs during a process of walking on the flat ground and a process of going upstairs. The switchover between the two walking
modes can be controlled by a rider, and moreover, a switching mechanism is simple and practical and is convenient in operation.