CONCRETE PLACER

摘要

production of construction panels and plates. SUBSTANCE: concrete placer has self-propelled portal with vibratory smoothing shield moving mechanism, and truck with turnable hopper. Truck is installed for movement in crosswise direction. Hopper is furnished with lift-and-drop shutter and vibrator. Vibratory shield is provided with guide links connected by oval hinge joints with four-member lifting-lowering slider-cranks mechanism consisting of connecting rod and crank. Flexible members are arranged between guide links and vibratory shield. EFFECT: improved quality of produced articles. 4 dwg