FIELD: machine building; transportation.
SUBSTANCE: invention relates to transport, particularly, to auxiliary devices of wheeled tractors. Spring traction load regulator contains rigid power link connecting trailer hitch with tractor trailer, hydraulic cylinder, cylindrical spring, flexible power cable connection, flange unit and hydraulic power cylinder. Spring is fixed by one hook end on load-bearing element of trailer turning part. Cable, which is tensioned between subsequent hook end of cylindrical spring, passes through guide flange unit with bearing, drawbar hitch and fixed in forked guide of hydraulic power cylinder. Unit with bearing is installed in trailer hitch. Hydraulic cylinder is arranged in afterbody of towing wheeled tractor.
EFFECT: higher traction-adhesion properties, flotation, reduced slippage and higher efficiency of wheeled tractors.
1 cl, 2 dwg
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