Elevating mechanism and self-powered platform and worktable lifting method comprising elevating mechanism

The present invention provides a kind of worktable lifting mechanism, including lifting arm, the lifting drive mechanism for driving and locking lifting arm and the controlling switch for controlling lifting drive mechanism；Lifting drive mechanism is connected with lifting arm and has angle between the two.The present invention also provides a kind of self-powered platform for including above-mentioned elevating mechanism, including workbench one, underframe, lifting arm, the lifting drive mechanism for driving and locking lifting arm and the controlling switch for controlling lifting drive mechanism；Lifting arm two ends are connected with workbench one and underframe respectively, and have swing angle between lifting arm and workbench one and underframe；Lifting drive mechanism is connected with lifting arm and has angle between the two.The self-powered platform can reduce space-consuming and operating space, practical and wide using scope.The present invention also provides a kind of worktable lifting method for being easy to operate.