CATERPILLAR BULLDOZER WITH ELECTRIC TRANSMISSION AND RUNNING GEAR WITH VARIABLE POSITION OF DRIVING WHEELS

摘要

FIELD: machine building.;SUBSTANCE: invention relates to machine building and can be used in caterpillar industrial tractors of various classes, used as base for units with various working equipment, performing excavation, loading, transportation and other types of works as part of unit in industrial and road construction, in mining industry, and also in agriculture. Caterpillar bulldozer with electric transmission and running gear with variable position of drive wheels comprises internal combustion engine (2), power generator (3), control block (5) installed in tractor frame (1), running gear (11) with support rollers, caterpillar tracks and drive wheels (10) included in single unit with onboard reduction gearboxes (9) and traction motors (8), as well as bulldozer and ripper equipment. Driving wheels (10) of undercarriage in unit with onboard reduction gears (9) and traction motors (8) are arranged in separate housing (7) installed on stern part of tractor and connected to it by means of mainly hydraulic cylinders (16) of hydraulic drive with possibility of rotation on axis, arranged in tractor frame (1), and drive wheels (10) fixation in upper position or lower position with support of caterpillar tracks under driving wheels (10) on soil.;EFFECT: development of caterpillar bulldozer based on caterpillar tractor with electric transmission and running gear with variable position of driving wheels, which provides for further increase in efficiency of bulldozer and ripper equipment by increasing burial force of bulldozer blade and increased tillage effort due to creation of additional support for lower running gear tracks lowered driving wheels.;1 cl, 4 dwg