CRAWLER VEHICLE Russian patent published in 2003 - IPC

FIELD: transport engineering. SUBSTANCE: invention relates to two-track vehicles which can be converted from wheeled ones into crawler ones and back. According to invention, track bogie is mounted on drive shaft of engine-transmission unit of wheeled vehicle and it is made in form of two balanced track assemblies. Wheels of wheeled vehicle transformed into crawler vehicle are used as track wheel. Axial alignment of balance arms and middle driving track wheels is provided owing to use of spacer rollers drawn in between track wheels. Spacer rollers provide also transmission of torque from middle driving track wheel to extreme track wheels and unloading of hub bearings of extreme track wheels and tensioning of tracks. EFFECT: elimination of drawbacks of transformable crawler vehicles, simplified design. 12 cl, 3 dwg