Special fan for road sweeper
A road cleaning and fan technology, which is applied in road cleaning, mechanical equipment, cleaning methods, etc., can solve the problems of unreasonable internal pipeline setting of the fan, large eddy current loss energy, and low cleaning efficiency, so as to improve fan efficiency and service life , noise reduction effect
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[0017] As shown in the figure, a special fan for road sweeping vehicles includes a fan casing 5, an impeller arranged in the fan casing 5, a fan air inlet 1 arranged on the fan casing 5, an inlet air pipe 12, and a muffler 6 , the main shaft 7, the bearing seat 8 for supporting the main shaft, the bearing 9 and the bracket 11 for supporting the whole fan, one end of the main shaft 7 is connected with the impeller, and the other end is driven by the engine of the road sweeper through the pulley 10, and the whole fan passes through the bracket 11 is fixed in the road cleaning compartment, the inlet air duct 12 is located at the bottom of the compartment, one end of which is connected to the air inlet 1 of the fan, and the other end is connected to the suction cup of the road sweeping vehicle, one end of the muffler 6 is installed The top of each compartment is open to the atmosphere.
[0018] In the present invention, the impeller is composed of an impeller front disc 2, an impe...
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