Title:
ROTARY LIFTING APPLIANCE
Document Type and Number:
WIPO Patent Application WO/2022/121241
Kind Code:
A1
Abstract:
A rotary lifting appliance, comprising a lifting frame (10), and further comprising a first clamping device (20a) and a second clamping device (20b) which are arranged on the lifting frame (10) and used for clamping and rotating a coil pipe (1), and a locking and driving device (30) arranged on the lifting frame (10) and used for driving the first clamping device (20a) and the second clamping device (20b) to work; the lifting frame (10) is provided with a lifting ring (11) cooperating with a travelling crane. The rotary lifting appliance solves the problems of potential safety hazards and low production efficiency caused by an original turnover mode.
Inventors:
WANG CHAO (CN)
FU TIEYAN (CN)
QI CONGYU (CN)
ZHANG JUNHUI (CN)
HE YINGBIN (CN)
FU TIEYAN (CN)
QI CONGYU (CN)
ZHANG JUNHUI (CN)
HE YINGBIN (CN)
Application Number:
PCT/CN2021/095058
Publication Date:
June 16, 2022
Filing Date:
May 21, 2021
Export Citation:
Assignee:
SHANGHAI LONGYANG PRECISE COMPOUND COPPER TUBE CO LTD (CN)
International Classes:
B66C1/42; B66C13/08
Foreign References:
| CN112408184A | 2021-02-26 | |||
| CN208585961U | 2019-03-08 | |||
| CN204847812U | 2015-12-09 | |||
| CN109623187A | 2019-04-16 | |||
| CN101205044A | 2008-06-25 | |||
| CN201190077Y | 2009-02-04 | |||
| CN205187663U | 2016-04-27 | |||
| CN205687402U | 2016-11-16 | |||
| DE3432272A1 | 1985-12-12 | |||
| JP2002211880A | 2002-07-31 |
Attorney, Agent or Firm:
SHANGHAI L&W INTELLECTUAL PROPERTY LAW OFFICE, LLC (CN)
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