Patent ID: 8066102

Claim:
A lifting apparatus, comprising: a vertical guide device; a turntable device which is movable along the vertical guide device upwards or downwards; and a first driving device which drives the turntable device moving upwards or downwards guided by the vertical guide device, wherein said turntable device comprises: a bracket which is slidably engaged with the vertical guide device and projects perpendicularly toward a side of the vertical guide device; a turntable which is rotatably provided on an upper part of the bracket; a second driving device which is provided on a bottom surface of the bracket to rotate the turntable on the bracket; and a first radial bearing for positioning the turntable and a first thrust bearing for bearing a load of the turntable on the bracket in the vertical direction, the first radial bearing and first thrust bearing being located between the turntable and the bracket, wherein said vertical guide device comprises: a linear slide rail, an outer edge of the bracket is movably embedded with the linear slide rail to form linear constraint therebetween in a manner such that V-shape bosses are provided on the bracket and V-shape grooves mated with the V-shape bosses are provided on the linear slide rail; a lead screw which is provided in the linear slide rail, with the first driving device provided at an end of the linear slide rail to drive the lead screw to rotate; and a nut which is fixed on the bracket and engaged with the lead screw.