Pipeline fan adaptive to pipelines of different dimensions
A technology that adapts to different duct fans, applied to the components of pumping devices for elastic fluids, pump control, non-variable pumps, etc., can solve the problems that duct fans cannot adapt to pipes of different sizes, and achieve increased area effect
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[0016] Such as Figure 1-Figure 4 As shown, a duct fan that can adapt to ducts of different sizes mainly includes an outer frame 1, a connecting leaf 2, a fixing rod 3, a mounting plate 4, a connecting shaft 5, a first fan blade 6, a second fan blade 7, a fastening Bolt 8, first connecting rod 9, second connecting rod 10, fixed bearing 11, connecting socket 12 and motor 13, connecting leaf 2 is fixed on the outer surface of outer frame 1, and connecting leaf 2 is connected with fixed rod 3, And the end of the fixed rod 3 is fixed with a mounting plate 4, the connecting shaft 5 is located in the middle of the inner side of the outer frame 1, and the first fan blade 6 is fixed on the connecting shaft 5, and the second fan blade 7 is connected above the first fan blade 6, The first fan blade 6 and the second fan blade 7 are connected by fastening bolts 8, a first connecting rod 9 is fixed inside the outer frame 1, and a second connecting rod 10 is connected below the first connec...
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