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Title:
VERTICAL LIFTING AND LOWERING DEVICE FOR AERIAL WORK AND WORKING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2022/041816
Kind Code:
A1
Abstract:
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 the communication port (5) of the top plate and the communication port (5) of the bottom plate in a single lift cage (3), facilitating the transport of materials; moreover, in consideration of the actual height of each lift cage (3), a lifting and lowering mechanism is additionally provided, facilitating the position transfer of a person inside the lift cage (3).

Inventors:
QI YAOYAO (CN)
WANG RONGDONG (CN)
JIANG BOHUI (CN)
ZHOU DE (CN)
Application Number:
PCT/CN2021/090498
Publication Date:
March 03, 2022
Filing Date:
April 28, 2021
Export Citation:
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Assignee:
NANJING HANMINGZHI INTELLIGENT TECH CO LTD (CN)
International Classes:
B66B9/02; B66B11/02; B66B11/00; B66F11/04
Foreign References:
CN112027860A2020-12-04
CN109775532A2019-05-21
CN202245627U2012-05-30
CN107207208A2017-09-26
JP2015054748A2015-03-23
US5960910A1999-10-05
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