Login| Sign Up| Help| Contact|

Patent Searching and Data


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.

Inventors:
LIANG, Bangyan (Qianjin Road Haizh, Guangzhou Guangdong 0, CN)
XUE, Linhu (Qianjin Road Haizh, Guangzhou Guangdong 0, CN)
CHEN, Meng (Qianjin Road Haizh, Guangzhou Guangdong 0, CN)
JING, Yang (Qianjin Road Haizh, Guangzhou Guangdong 0, CN)
ZENG, Fan (Qianjin Road Haizh, Guangzhou Guangdong 0, CN)
DONG, Zhiliang (Qianjin Road Haizh, Guangzhou Guangdong 0, CN)
MA, Yiguangming (Qianjin Road Haizh, Guangzhou Guangdong 0, CN)
FENG, Zhenzhou (Qianjin Road Haizh, Guangzhou Guangdong 0, CN)
LIU, Kai (Qianjin Road Haizh, Guangzhou Guangdong 0, CN)
ZHOU, Yang (Qianjin Road Haizh, Guangzhou Guangdong 0, CN)
GAN, Shixing (Qianjin Road Haizh, Guangzhou Guangdong 0, CN)
Application Number:
PCT/CN2020/093399
Publication Date:
November 25, 2021
Filing Date:
May 29, 2020
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
CCCC FOURTH HARBOR ENGINEERING CO., LTD. (Lijiao Road Haizh, Guangzhou Guangdong 0, CN)
CCCC FOURTH HARBOR ENGINEERING INSTITUTE CO., LTD. (Qianjin Road Haizh, Guangzhou Guangdong 0, CN)
THE SECOND ENGINEERING COMPANY OF CCCC FOURTH HARBOR ENGINEERING CO., LTD. (Qianjin Road Haizh, Guangzhou Guangdong 0, CN)
International Classes:
F16L1/16; E02D29/07
Attorney, Agent or Firm:
JIAQUAN IP LAW (Building AWinner Plaza, No. 100, West Huangpu Avenue, Tianhe Distric, Guangzhou Guangdong 7, CN)
Download PDF: