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Rapid anti-explosion trepanning method for emergency salvation of turnover ship in danger

A technology of turning over and turning ships, which is applied in the direction of boring/drilling, drilling/drilling equipment, parts of boring machine/drilling machine, etc. Flexible and convenient, reduce the effect of feeding power consumption

Inactive Publication Date: 2015-03-25
BEIHAI RESCUE BUREAU MIN OF COMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method of opening holes often takes hours and often misses the opportunity to rescue people in distress

Method used

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  • Rapid anti-explosion trepanning method for emergency salvation of turnover ship in danger

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Embodiment Construction

[0021] The present invention grasps the two core points of explosion-proof and non-sparking and rapid hole opening. Using high-throughput magnetic components, it can be quickly fixed to the surface of the ship's hull to ensure that the moderate swing of the ship in distress does not affect the operation of the equipment. The invention introduces a boring processing method to realize the cold cutting of the ship bottom plate without generating sparks, and only a small amount of seawater is used for cooling the cutting edge of the cutter. By adopting the mechanical differential automatic knife feed system, the fast feed cutting and opening are realized. The alloy high-speed steel is used to process special tools to ensure the strength of the tools; the innovation of 3-tool boring technology and the realization of different functions of the tools ensure fast and stable cutting and opening. Field experiments show that it takes about 10 minutes to cut a 460mm diameter hole on a 16...

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Abstract

The invention provides a rapid anti-explosion trepanning method for emergency salvation of a turnover ship in danger. A disk-shaped cutterhead, carrying three tools, rotates at a high speed to cut off a ship board with a diameter of 450mm-470mm from the ship in danger in a boring mode, and the trepanned portion serves as a rescue channel of the turnover ship. When cutting trepanning is carried out, a hanging rod of a disk magnet gradually rises in space of a cutterhead sleeve along with descending of the cutterhead, and the disk magnet and the ship board to be cut keeps a combined state all the time in the process. After trepanning is finished, cut materials are firmly attracted to the disk magnet, and are moved away from an operation site along with a cutting device. When the rapid anti-explosion trepanning method for emergency salvation of the turnover ship in danger is adopted, trepanning can be accomplished in about ten minutes, the rescue channel is formed in the ship board, sparks are not generated in the cutting process, and potential safety hazards do not exist.

Description

technical field [0001] The invention relates to a mechanical hole opening method. In particular, the invention relates to a rapid explosion-proof opening method for emergency rescue of a capsized ship in distress. Background technique [0002] A large number of ship capsizing dangers occur in the coast of my country every year. There are usually flammable and explosive gases in the capsized cabin. Open flames are used to open holes in the bottom of the ship, which is very prone to explosion, which endangers the safety of trapped people and rescuers. Therefore, the technology of opening holes without sparks to rescue people from steel capsized ships has become a major issue at present. In view of the characteristics of the dangerous situation of capsizing and arresting ships at sea, emergency rescue should meet the following requirements: First, open the life channel with a steel plate thickness not exceeding 20mm and a diameter of about 500mm in the shortest possible time. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B23B41/00B23B47/06
Inventor 赵世野梁希德黄学前刘天渡
Owner BEIHAI RESCUE BUREAU MIN OF COMM
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