| 摘要 |
PURPOSE: A road sweeper is provided to remove rubbish on a road by pneumatic circulation without components contacted on a road surface and to improve work efficiency by speeding up a road sweeper. CONSTITUTION: The road sweeper comprises: a main truck body(10); a loading box(20) loaded on the main truck body(10), reciprocated backward by a dumping cylinder(25) and provided with an inlet pipe(21) and a cover(22) controlled by an operating cylinder(23); a ventilator(30) drove by an engine(E) to ventilate the inhaled air; a suction plate(40) located on the lower side of the main truck body(10) and connected with a suction hose(41) and a return hose(42); a communication vessel(50) provided with a passage to communicate with a ventilation passage of the ventilator(30) on the corresponding location to the inlet pipe(21) of the loading box(20); an air suction pipe(60) installed to pass through the communication vessel(50) and arranged with the return hose(42); and a vortex member(70) advanced toward the loading box(20) in a space between the air suction pipe(60) and the communication vessel(50).
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