Spiral lifting mechanism
A technology of spiral lifting and lifting screw, which is applied in the direction of mechanical equipment, belts/chains/gears, transmission devices, etc., to achieve the effect of reducing clearance, low cost and eliminating clearance
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[0027] The precision screw lifting mechanism according to the present invention will be further described in detail with reference to the accompanying drawings and specific embodiments.
[0028] Such as Figure 2-Figure 7 As shown, the screw lifting mechanism of the present invention includes a lifting screw 1, a gear screw nut 2, two lock nuts 3, two angular contact ball bearings 4, a machine base 5, a transmission gear member 6, an adjustment screw 7, and a deep groove Ball bearing 8, end cover 9, and collar 10.
[0029] Such as Figure 7 As shown, the first end of the transmission gear member 6 has a rotating shaft 61 connected to an external driving device, the second end has a driving bevel gear 62 meshing with the gear nut 2 , and the middle of the transmission gear member has an annular step 63 .
[0030] Such as Figure 4a and Figure 4b As shown, the gear screw nut 2 is a cylindrical structure, and its middle part has a threaded hole 21 matched with the lifting sc...
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