CRAWLER VEHICLE Russian patent published in 2003 - IPC

FIELD: transport engineering. SUBSTANCE: invention relates to crawler tractors with device for rotary connection of main frame with track frames. Proposed vehicle contains main frame, track frames with inner and outer sidemembers. Cross balance beam connects track frames in front part by means of ball supports. Inner sidemembers of track frames are connected by two ball supports with main frame. Braces are installed in rear part of main frame. Said braces are connected to main frame by means of ball supports, and to outer sidemembers of track frames by means of other ball supports. Part of ball supports is located on one, mainly horizontal axle of up/down movement ("pumping") of track frames relative to main frame. Other ball supports are arranged on two mainly vertically arranged axles of "pumping" of track bogies relative to main frame of vehicle. Cross beam is installed on main frame on pin with spherical ball support. EFFECT: improved reliability of vehicle. 1 dwg