A lifting assembly, a jump elevator and a jumping method. Wherein the lifting assembly comprises: a supporting platform provided with a plurality of telescopic first pawls at the side face thereof; at least one screw mechanism comprising a screw and a sleeve, the screw and the sleeve each being provided with an external thread and an internal thread matching with each other; and a driving mechanism configured to drive one of the screw and the sleeve to rotate in relative to the other, such that the screw mechanism extends or retracts; wherein the screw mechanism is connected between the supporting platform and the operating platform, one of the screw and the sleeve is configured to be rotatably attached to one of the supporting platform or the operating platform.
LIFTING ASSEMBLY, JUMP ELEVATOR AND JUMPING METHOD
2020-06-11
Patent
Elektronische Ressource
Englisch
IPC: | B66B Aufzüge , ELEVATORS |