Title:
LIFTING APPARATUS FOR CRANE
Document Type and Number:
WIPO Patent Application WO/2022/169006
Kind Code:
A1
Abstract:
The present invention relates to a lifting apparatus which is suspended from a crane and moves to transport an article. The lifting apparatus of the present invention comprises: a first beam extending in a longitudinal direction and having first points which are spaced apart from each other from the longitudinal center to both sides and are respectively coupled to the crane; a second beam disposed below the first beam and extending in the longitudinal direction; a horizontal adjustment means which connects second points spaced apart from each other from the longitudinal center of the first beam to both sides thereof and the third points spaced apart from each other from the longitudinal center of the second beam to both sides thereof, and is configured such that the length is expanded and contracted to adjust the horizontality of the second beam; a plurality of lifting blocks spaced apart from each other along the longitudinal direction of the second beam and movably installed along the longitudinal direction of the second beam, wherein each lifting block has a suspension point at which the article is suspended; and a positioning mechanism driven so as to adjust the respective positions of the lifting blocks in the longitudinal direction of the second beam, wherein the article is suspended by means of the plurality of lifting blocks and is movable.
Inventors:
JEON JAE YOUNG (KR)
YOON MAHN JUNG (KR)
YOON MAHN JUNG (KR)
Application Number:
PCT/KR2021/001599
Publication Date:
August 11, 2022
Filing Date:
February 08, 2021
Export Citation:
Assignee:
POWER MNC CO LTD (KR)
International Classes:
B66C1/62; B66C1/10; B66C13/06
Domestic Patent References:
| WO2012156571A1 | 2012-11-22 |
Foreign References:
| JP2004035194A | 2004-02-05 | |||
| JP2004115187A | 2004-04-15 | |||
| JPH07215666A | 1995-08-15 | |||
| KR20120003700A | 2012-01-11 |
Attorney, Agent or Firm:
TNI IP LAW FIRM (KR)
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