VERTICAL LIFTING AND LOWERING DEVICE FOR AERIAL WORK AND WORKING METHOD THEREFOR

• Main Authors: QI, Yaoyao, JIANG, Bohui, WANG, Rongdong, ZHOU, De
• Format: Patent
• Language: Chinese; English; French
• Published: 03.03.2022
• Subjects: ELEVATORS; ESCALATORS OR MOVING WALKWAYS; 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

A vertical lifting and lowering device for aerial work and a working method therefor. The vertical lifting and lowering device comprises: a lifting and lowering frame (1); a first rack (2); lift cages (3); one or two communication ports (5), respectively provided on top plates and/or bottom plates of the lift cages (3); and driving mechanisms (6), mounted on the top plates and/or the bottom plates of the lift cages (3) and adjacent to the communication ports (5), the driving mechanisms (6) being in transmission connection with bearing plates (602), and the bearing plates (602) being able to seal the communication ports (5) under the effect of the driving mechanisms (6). The vertical lifting and lowering device is additionally provided with a plurality of lift cages (3), and by means of the communication ports (5) and the driving mechanisms (6), the lift cages (3) can be combined with each other into a large lift cage, and are internally in communication with each other; a hoist mechanism is provided between t