FIELD: road construction.
SUBSTANCE: invention relates to road machines, namely to machines for compacting asphalt concrete, soil and crushed stone. Device for connection of self-propelled road roller and trailed roller includes frame of self-propelled road roller, hitch device of trailed roller and their hinge joint. Trailed roller hitch device and frame of self-propelled road roller are additionally connected to each other by a control hydraulic cylinder by means of vertical pins on hinged bearings, wherein vertical pins are mounted in brackets of frame and hitch device.
EFFECT: invention provides the possibility of significant reduction by 25–30% of the power of the serial road roller, as well as minimizing the harmful effects of vibration on the operator of the self-propelled road roller while maintaining a high force effect on the compacted surface by three rollers and reducing the power of the engine of the serial road roller.
1 cl, 5 dwg
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