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

A technology of ship turning and buttoning, which is applied in the direction of boring/drilling, drilling/drilling equipment, parts of boring machine/drilling machine, etc. Feed power consumption, the effect of flexible and convenient application

Inactive Publication Date: 2013-09-04
BEIHAI RESCUE BUREAU MIN OF COMM
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  • 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

[0022] The invention grasps the two core points of explosion-proof, non-sparking and quick opening. Using high-flux magnetic components, it can be quickly fixed to the surface of the hull of the overturning ship to ensure that the proper swing of the ship in distress does not affect the operation of the equipment. The invention introduces the boring processing method to realize the cold cutting of the ship bottom plate without generating sparks, and the cutting of the cutter can be cooled by a very small amount of seawater. Through the adoption of a mechanical differential automatic feed system, rapid feed cutting and opening of holes are realized. Special tools are processed with alloy high-speed steel 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 16mm thick...

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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

[0001] Technical field [0002] The invention relates to a method for mechanically opening holes. Specifically, it relates to a rapid explosion-proof opening method for emergency rescue of ships in distress. Background technique [0003] A large number of ship overturn dangers occur every year along the coast of our country. Flammable and explosive gases are usually stored in the overturned cabin. Open fire opening operations at the bottom of the ship are prone to explosions, which threatens the safety of trapped personnel and rescuers. Therefore, the non-sparking hole-saving technology of steel overturning boats has become a major issue at present. In view of the characteristics of the dangerous occurrence of the overturned ship on the sea, emergency assistance should meet the following requirements: First, open the life channel with a steel plate thickness of not more than 20mm and a diameter of about 500mm in the shortest possible time. Second, during the rescue opening proce...

Claims

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Application Information

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Patent Type & Authority Applications(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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