High-lift spiral blade impeller
A technology of helical blade and high lift, applied in the components of pumping device for elastic fluid, non-variable-capacity pump, machine/engine, etc. Achieving the effect of significant boosting effect and increased cutting effect
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Embodiment 1
[0023] A high-lift helical blade impeller, including a pump shaft sleeve 1, a mouth ring 2 and blades 3, the mouth ring 2 is set on the end of the pump shaft sleeve 1, and the mouth ring 2 is provided with a blade 3, the blade 3 is Helical, the spiral wrap angle of the blade 3 is 200°, the inlet installation angle α of the blade 3 is 10°, the outlet installation angle β of the blade 3 is 14°, the mouth ring 2 is conical, and The cone angle γ of the mouth ring 2 is 6°, the width b of the mouth ring is 40mm, and a plurality of keyholes 4 are evenly opened on the mouth ring 2, the blades 3 are 3-5 pieces, and the mouth ring 2 There is a groove 5 at the end, the depth of the groove 5 is 1mm, the degree of installation angle of each point on the blade 3 is distributed in a wave pattern, the thickness of the blade 3 changes according to a linear rule, and the thickness of the blade is as small as From large to small, blade 3 is thinner at the outlet and inlet end faces;
Embodiment 2
[0025] A high-lift helical blade impeller, including a pump shaft sleeve 1, a mouth ring 2 and blades 3, the mouth ring 2 is set on the end of the pump shaft sleeve 1, and the mouth ring 2 is provided with a blade 3, the blade 3 is Helical, the spiral wrap angle of the blade 3 is 220°, the inlet installation angle α' of the blade 3 is 12°, the outlet installation angle β' of the blade 3 is 18°, the mouth ring 2 is conical, And the cone angle γ' of the mouth ring 2 is 10°, the width b' of the mouth ring 2 is 52mm, and a plurality of keyholes are uniformly opened on the mouth ring 2, and the blades 3 are 3-5 pieces. The mouth ring 2 ends have groove 5, and the depth of described groove 5 is 2mm, and the degree of the installation angle of each point on the described blade 3 is wave-shaped distribution, and described blade 3 thickness changes according to linear rule, and blade 3 The thickness of the vane 3 is distributed from small to large and then to small, and the blade 3 is ...
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