Title:
UNDERWATER POSITIONING METHOD FOR LARGE-DIAMETER ULTRA-LONG HDPE PIPE
Document Type and Number:
WIPO Patent Application WO/2021/232484
Kind Code:
A1
Abstract:
Provided is an underwater positioning method for a large-diameter ultra-long HDPE pipe, which can complete accurate underwater pipe positioning by using general simple devices, such as several positioning cables (200), windproof cables (300) and other wire ropes, a fixing structure (400), and a barge (500). The method is suitable for accurate underwater positioning operations prior to underwater docking of large-diameter ultra-long HDPE pipes, has a broad range of applicable water depths, has low requirements for ship equipment and has a high operation safety factor.
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Inventors:
LIANG BANGYAN (CN)
XUE LINHU (CN)
CHEN MENG (CN)
JING YANG (CN)
ZENG FAN (CN)
DONG ZHILIANG (CN)
MA YIGUANGMING (CN)
FENG ZHENZHOU (CN)
LIU KAI (CN)
ZHOU YANG (CN)
GAN SHIXING (CN)
XUE LINHU (CN)
CHEN MENG (CN)
JING YANG (CN)
ZENG FAN (CN)
DONG ZHILIANG (CN)
MA YIGUANGMING (CN)
FENG ZHENZHOU (CN)
LIU KAI (CN)
ZHOU YANG (CN)
GAN SHIXING (CN)
Application Number:
PCT/CN2020/093399
Publication Date:
November 25, 2021
Filing Date:
May 29, 2020
Export Citation:
Assignee:
CCCC FOURTH HARBOR ENG CO LTD (CN)
CCCC FOURTH HARBOR ENG INST CO (CN)
2ND ENG CO CCCC 4TH HARBOR ENG CO LTD (CN)
CCCC FOURTH HARBOR ENG INST CO (CN)
2ND ENG CO CCCC 4TH HARBOR ENG CO LTD (CN)
International Classes:
F16L1/16; E02D29/07
Foreign References:
| CN104631481A | 2015-05-20 | |||
| CN110905411A | 2020-03-24 | |||
| CN1472399A | 2004-02-04 | |||
| CN104480865A | 2015-04-01 | |||
| CN203846400U | 2014-09-24 | |||
| CN106759407A | 2017-05-31 | |||
| CN110939148A | 2020-03-31 | |||
| DE2935979A1 | 1981-03-26 |
Attorney, Agent or Firm:
JIAQUAN IP LAW (CN)
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