Portable pneumatic cutter

Abstract

The invention relates to a portable pneumatic cutter which is used for cutting a metal object limiting a human body or an animal body. The portable pneumatic cutter comprises a movable compressed gas source, a handheld power conversion unit, a cutting unit, a gas circuit connecting pipe and a control unit; the gas source is provided with a pressure control valve and a pressure hose connector; the handheld power conversion unit is provided with a rotating head; the rotating head is provided with a fixture for installing and fixing the cutting unit; the handheld power conversion unit uses the pressure of compressed gas as power for driving the cutting unit to rotate; the cutting unit is a micro grinding wheel with a diameter of 5 to 40mm and can be installed on the rotating head by the fixture; the gas circuit connecting pipe is a plastic pressure hose and is used for connecting the movable compressed gas source, the control unit and the handheld power conversion unit; the movable compressed gas source, the handheld power conversion unit and the gas circuit connecting pipe are connected in a detachable manner by male and female connectors; the control unit controls a rotating speed of the cutting unit. The portable pneumatic cutter cannot generate obvious damage to the muscle body of the human body or the animal body under the condition of effectively cutting the metal object, and is simple, practical, portable and safe.

Description

technical field [0001] The invention belongs to the technical field of cutting tools, and in particular relates to a portable pneumatic cutting machine, which is mainly used in fire rescue. Background technique [0002] In life, more and more people wear various "rings", "finger rings", "iron rings", "steel rings" and other objects for the pursuit of fashion or temporary curiosity. After a long time without taking it off, with the increase of age and physique, it will be difficult to take it off unconsciously, resulting in rupture, congestion, swelling, and ulceration of the tightened part of the finger, which will bring pain to people; When fingers and other organs are stuck by metal or plastic stool materials, in this case, firefighters are usually asked to deal with it. At present, tool scissors and partial-mouth pliers are used to deal with the situation where parts of the human body are stuck by utensils. , manual tools such as hand saws, because this kind of tool is d...

AI Technical Summary

Problems solved by technology

At this time, it is impossible to use ordinary pliers and power-off scissors.

It is more likely to cause secondary injury to the trapped person by inadvertent operation. If it is not removed in time, the trapped person will face the danger of amputation

Existing tools are large in size, strong in destructive power, heavy in equipment, and inconvenient to carry and move. Therefore, it is necessary to develop a portable cutting tool that can effectively reduce secondary injuries for help-seekers

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