Non-power bogie of heavy-load multi-body hinged medium-high floor light rail vehicle

The invention discloses a non-power bogie of a large-load multi-body hinged medium-high floor light rail vehicle, which comprises two groups of wheel set axle box devices, each wheel set axle box device comprises an axle, wheels and axle boxes, and the wheels and the axle boxes are mounted at two ends of the axle; the framework is used for erecting the axle, a primary suspension device is connected between the framework and the axle box, and a central suspension device is arranged in the middle of the framework; the foundation braking device is arranged in the framework; the traction device is arranged on the outer side of the framework side beam; a brake disc arranged on the basic brake device is mounted on the axle, and a brake clamp arranged on the basic brake device is mounted on the framework end beam; the traction device is provided with a traction pull rod, one end of the traction pull rod is connected with a traction pull rod seat arranged on a side beam of the framework, the other end of the traction