Axial flow ventilator capable of synchronously adjusting blades
An axial flow fan, synchronous adjustment technology, applied in mechanical equipment, machines/engines, liquid fuel engines, etc., can solve the problems of unbalanced service life, time-consuming and labor-intensive impellers, etc., to extend service life, improve anti-corrosion performance, and reduce vibration. Effect
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[0014] The blade synchronously adjusts the axial flow fan, including the hub 1 and the shaft sleeve 2 coaxial with it, the hub 1 is pierced with a number of radially arranged petioles 3, the outer ends of the petioles 3 are fixed with blades 4, and the shaft sleeve 2 is covered with left and right The push plate 5 that slides on it and protrudes from the middle part of the right end face has a circumferential groove 6 on the outer cylindrical surface of the push plate 5, and a crank 7 whose other end is hinged with the petiole 3 is placed in the groove 6, and the right end of the push plate 5 is The side is provided with a worm wheel 8 sleeved on the shaft sleeve 2, the inner hole of the worm wheel 8 is threaded with the outer cylindrical surface protruding from the middle part of the right end face of the push plate 5, and the outside of the left and right end faces of the worm wheel 8 is provided with a support seat 9 fixed with the shaft sleeve 2 and Cover plate 10, worm sup...
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