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, an inlet air duct 12, and a silencer 6 arranged on the fan casing 5 The main shaft 7, the bearing seat 8 for supporting the main shaft, the bearing 9 and the bracket 11 for supporting the entire 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 fan passes through the bracket as a whole 11 is fixed in the road sweeping carriage, the inlet air duct 12 is located at the bottom of the carriage, one end of which is connected to the fan inlet 1 and the other end is connected to the suction cup of the road sweeper. One end of the muffler 6 is installed at the outlet of the fan casing, and the other end passes through The top of each carriage opens to the atmosphere.
[0018] In the present invention, the impeller is composed ...
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