The WJD-1 electric scooptram adopts a three-phase asynchronous motor, rubber tires, simultaneous drive of the front and rear axles. And the hinge was changed to a slewing support, which changed the arrangement of the swing frame and three-point suspension hinge of the old model, overcomes the shortcomings of swing stand has high failure rate, maintenance trouble, serious safety hazards, greatly reduced investment in manpower and material resources, makes driving more flexibly and efficiently, operation is also simple and convenient. The walking system using advanced technical components such as hydrostatic transmission device, gear transmission box and wheel planetary reducer. During the walking process, the cables are synchronously wound and retracted, making it more maneuverable and flexible. It is suitable for mining underground and tunnel excavation and slag removal, as well as auxiliary operations such as leveling work sites and roads, material transportation, etc. It has the advantages of compact structure, small size and flexibility, and easy operation.