Looking for breakthrough ideas for innovation challenges? Try Patsnap Eureka!

300,000 dry dock parallel construction ship towing method for undocking

A technology for dry docking, ships, used in the field of shipbuilding

Active Publication Date: 2016-05-18
DALIAN SHIPBUILDING IND
View PDF6 Cites 0 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

And because the two ships are built in parallel, tools such as winches need to be used alternately when the ships are undocked separately

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • 300,000 dry dock parallel construction ship towing method for undocking
  • 300,000 dry dock parallel construction ship towing method for undocking
  • 300,000 dry dock parallel construction ship towing method for undocking

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0030] Traction prerequisites:

[0031] 1. The distance between the whole ship and the half section of parallel ships in the dock is small, which is to make full use of the space in the dock to build ships. The force of the floating cable at the moment of floating of the ship is affected by the seasonal wind direction. The tightness of the front and rear cables is different, in order to avoid the phenomenon of scratching between the whole ship and the half section, the whole ship and the dock door.

[0032] 2. The docking berth of the ship determines the undocking sequence of the undocked ships, so as to determine the hanging method of the fender and ball on the first undocked ship. The ball is attached to the ship to prevent the outer plates of the two ships from scratching each other due to the small gap between the two ships and the poor running posture of the two ships, resulting in damage to the outer plate paint and outer plate wrapping. The anti-collision ball when un...

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

PUM

No PUM Login to View More

Abstract

The invention discloses a traction method for enabling parallel built ships of 300,000 dry docks to undock. The traction method comprises the following steps: 1. sealing two ship bodies built in parallel in the dry docks with mooring ropes and floating balls; opening a dock door, pressurizing water in the docks, and enabling the parallel ship bodies to float up; 3. tying tugs in the middles of the tail parts of the first-undocked ship bodies towards a dock door with a mooring rope so as to realize undocking; and finally realizing the undocking of the later-undocked ship bodies. According to practical conditions of parallel built ships of 300,000 dry docks, the selecting and sealing sequence of ship docking and undocking traction tools, traction process control, matching with the tugs and the like can be designed and determined; in the process, the sealing condition of dry docks in water pressurization, ship sealing condition in traction, and floating condition in ship undocking can be designed; and the condition that ships can safely and smoothly and fast undock can be ensured by utilizing modes of winch distribution and matching, towing vehicle control and the like.

Description

technical field [0001] The invention relates to the technical field of shipbuilding, more specifically, to a method for undocking after parallel construction in a ship dock. Background technique [0002] Two ships are built in parallel in the dock, and the molded width of the two ships is relatively large. The standard 300,000 dry dock is generally about 90 meters wide, and the gap between ships built in parallel to a certain extent is small. After the 300,000 dry dock is filled with water and the dock door is opened, the two ships built in parallel are in a sealed state Under the circumstances, due to space reasons, the tugboat cannot enter between the two ships, so it is necessary to set up a towing trolley for towing operations. And because the two ships are built in parallel, tools such as winches need to be used alternately when the ships are undocked separately. When a ship is undocked, the other ship can be assisted by a tugboat, and how to cooperate with it is also...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More

Application Information

Patent Timeline
no application Login to View More
Patent Type & Authority Patents(China)
IPC IPC(8): B63C3/00
Inventor 吴成彬钱峰李士达董仲伟刘青韩小元
Owner DALIAN SHIPBUILDING IND
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Patsnap Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Patsnap Eureka Blog
Learn More
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com