Wheel-leg automatic exchange type obstacle crossing robot

The invention discloses a wheel-leg automatic exchange type obstacle crossing robot. The robot comprises a robot body, four orientation form adjusting devices, four wheel leg adjusting and convertingdevices, a power supply and a controller, the machine body is of a flat cuboid box structure; each orientation form adjusting device comprises a first steering engine, a steering engine connecting piece and a second steering engine; each wheel leg adjusting and converting device comprises a roller, a motor, two thigh side plates, a third steering engine, a shank connecting piece and a shank; the power supply is arranged in the machine body; and the controller is electrically connected with the power supply, the first steering engine, the second steering engine and the third steering engine. The invention has the following beneficial effects: the folding multi-purpose concept is applied, and the robot has the characteristics of high adjustability, wide application range, simple structure, easiness in manufacturing