Lifting mechanism

A lifting mechanism comprises a sleeve, an upper lead screw and a lower lead screw. A driving mechanism for driving the upper screw rod to rotate is mounted at the top end of the upper screw rod; thesleeve is vertically through, and the bottom end of the upper lead screw extends into the sleeve from...

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Bibliographic Details
Main Author LI JIECHENG
Format Patent
LanguageChinese
English
Published 24.11.2020
Subjects
HAULING
HOISTING
HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDEDFOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCEDIRECTLY TO THE SURFACE OF A LOAD
LIFTING
PERFORMING OPERATIONS
TRANSPORTING
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Summary:A lifting mechanism comprises a sleeve, an upper lead screw and a lower lead screw. A driving mechanism for driving the upper screw rod to rotate is mounted at the top end of the upper screw rod; thesleeve is vertically through, and the bottom end of the upper lead screw extends into the sleeve from the top end of the sleeve and is in threaded connection with an upper port of the sleeve; the lower screw rod extends into the sleeve from the bottom end of the sleeve and is in threaded connection with the lower port of the sleeve; the lower screw rod is hollow, and the upper screw rod can extendinto the lower screw rod; a first clamping structure is arranged in the sleeve close to the top; the bottom end of the upper lead screw is provided with a second clamping structure capable of being matched with the first clamping structure. When rising to the top of the sleeve along with the rotation of the upper screw rod, the second clamping structure is matched with the first clamping structure, and the sleeve rotates
Bibliography:Application Number: CN202020143186U