The invention discloses a duplex box body elevator which comprises a base box body, a single worm and a box body cover. A through hole is formed in the front side of the base box body; the single worm is erected in the through hole; the box body cover is respectively arranged at the top of the base box body; screw rod mounting holes are respectively formed in the middle of the box body cover; two lifting screw rods are arranged in the base box body; the lifting screw rods are vertically arranged at both sides of the single worm; the top ends of the lifting screw rods pass through the screw rod mounting holes to extend towards the upper part of the box body cover; the lifting screw rods are respectively sleeved by worm gears; inner holes of the worm gears are provided with internal screw threads corresponding to the single worm; the single worm is respectively meshed with the worm gears. By the mode, the duplex box body elevator disclosed by the invention utilizes cooperation of the single worm and the worm gears to realize linkage of two lifting screw rods; integral vibration is reduced; the service life is prolonged.
Duplex box body elevator
08.04.2015
Patent
Elektronische Ressource
Englisch
IPC: | B66B Aufzüge , ELEVATORS |
Europäisches Patentamt | 2015
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