CN103802011A - Portable pneumatic cutter - Google Patents

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

Portable pneumatic cutter

Technical field

The invention belongs to cutting tool technical field, especially relate to a kind of portable pneumatic cutting machine, be mainly used in fire-fighting relief.

Background technology

In life, increasing crowd, for following the fashion or curiosity for the moment, wears the objects such as various " rings ", " finger ring ", " iron ring ", " steel ring ".Through for a long time not getting along with the increase at age, the increase of physique, be instantly just difficult to take off, cause pointing the position of tying tight and break, hyperemia, swelling, fester, bring misery to people, also can there is the organs such as people's finger by metal, the situation that plastic stool material blocks, in this case, conventionally the fireman that seeks help processes, and at present, process the situation that this human body parts organ is blocked by implements, all adopt tool scissors, side-cutting pliers, the hand-operated tools such as hand saws, because this instrument is difficult to control dynamics, be difficult to control scope of damage, when can causing seeking help person to take off ring or liberation quilt card organ, suffer larger secondary injury, also use and resolve electric scissors, hydraulic shear cutting nipper, the equipments such as electric wheel, but the masses that generally seek help to fire department, all still of no avail through oneself attempting several different methods, the lighter points and occurs hyperemia, swelling, there is muscular death in severe one, fester.Round object has formed serious depression, and the tumor of finger is higher than the surface of being blocked object.Now, cut, cannot put to good use with common vice, power-off.Operation accidentally more easily occurs and, to being subject to the oppressive secondary injury that brings, take off not in time, indicator of trapped personnel also can face the danger of amputation.Existing instrument, size is larger, and destructive power is large, and equipment heaviness, carrying are mobile inconvenient, therefore, is necessary to develop a kind of portable cutting tool that can effectively reduce seeking help person and be subject to secondary injury.

Summary of the invention

The object of this invention is to provide a kind of portable pneumatic cutter, it is to adopt Compressed Gas as power source, by pneumatic cutting gun, driving emery wheel is formed by combining, be used for cutting the metals such as ring, can, the in the situation that of effective cutting metal object, do not produce obviously injury to the human body of indicator of trapped personnel, this equipment is simple and practical, portable safety.

The object of the invention is to be achieved through the following technical solutions: a kind of portable pneumatic cutter, for cutting the metal object of restriction human body or animal body, is characterized in that, comprise moveable compressed gas source, hand-hold type power converting unit, cutter unit, gas circuit connecting pipe and control module; Described gas source has pressure-control valve and pressure hose connector, described hand-hold type power converting unit has swivel head, this swivel head has the jig that fixing cutter unit is installed, and this hand-hold type power converting unit, take compressed gas pressure as power, drives cutter unit rotation; Described cutter unit is the Mini abrasive wheel of diameter 5-40mm, and it can be installed on swivel head by jig; Described gas circuit connecting pipe is pressure-resistant plastic flexible pipe, for connecting moveable compressed gas source, and control module and hand-hold type power converting unit; Moveable compressed gas source, hand-hold type power converting unit and gas circuit connecting pipe be by the dismountable connection of public type parent form connector, described control module control cutter unit rotating speed.

Described hand-hold type power converting unit is commercially available pneumatic cutting gun, for example, buys the pneumatic cutting gun that everyday wins pneumatic tool accessory Co., Ltd from Yiwu City;

Described moveable compressed gas source comprises that fire-fighting is with breathing gas cylinder, portable air compressor, compressed gas cylinder etc.;

The rotating speed of described Mini abrasive wheel is 1000-6000rpm;

Described emery wheel can be the shapes such as sheet, plate-like, column, step circle, selects the emery wheel of suitable shape to cut according to environment for use;

Described gas circuit connecting pipe can increase extension tube as required.

Another object of the present invention is the method for utilizing above-mentioned cutter to cut the metal object of restriction human body or animal body, and it comprises,

Use pressure hose to connect moveable compressed gas source and hand-hold type power converting unit, described hand-hold type power converting unit is pneumatic cutting gun, and described moveable compressed gas source is that fire-fighting is with breathing gas cylinder;

Select the emery wheel of suitable shape;

By jig, Mini abrasive wheel is fixed on the swivel head of pneumatic cutting gun, the rotating speed of described Mini abrasive wheel is 1000-6000rpm;

Control emery wheel cutting metal article.

Effective effect of the present invention is: adopting compressed gas cylinder equal pressure gas is power source, easily obtain in fire units, and be convenient to mobile, adopt Mini abrasive wheel as cutting tool, operating space is little, cutting process is easy to control, can not produce secondary injury to the human body contacting with metal object or animal body, in addition, this device presses hose coupling to be connected with air respiratorresuscitator in adopting, other end is connected with pneumatic cutting gun, with spanner, grinding wheel is arranged on cutting gun again, then open gas cylinder, opening cutting gun switch just can cut, simple and practical, detachable installing component, portable safety.

Accompanying drawing explanation

Fig. 1 is the schematic diagram with lengthened hose of the present invention;

Fig. 2 is the schematic diagram that there is no lengthened hose.

In figure, 1 is gas cylinder switch, and 2 is compressed gas cylinder, 3,8,15 is parent form joint, and 4 is joint switch a, the 5th, and multifunction conjunction, 6,9,17 is public type joint, and 7 is lengthened hose, 10 is cutter flexible pipe, and 11 is cutter switch, and 12 is cutter, 13 is emery wheel, and 14 is emery wheel jig, and 16 is joint switch b, 18 is gas cylinder flexible pipe, and 19 is gas cylinder braces, and 20 is gas cylinder backrest.

The specific embodiment

Specifically describe implementation process of the present invention below.

Adopting pressure hose to connect fire-fighting connects with respirator, the other end connects pneumatic cutting gun, on the swivel head of pneumatic cutting gun, by jig, Mini abrasive wheel is installed, when use, open gas cylinder, open cutter switch, making emery wheel rotation rotating speed is that 1000-6000 turns, operating personnel are by easily close metal to be cut of hand-held pneumatic cutting gun, and effectively area is cut in control, has prevented secondary injury.

Technical scheme of the present invention is not limited only to the embodiment of recording, and can also have other embodiment to complete technical scheme of the present invention.Technology, shape, structure part that the present invention does not describe in detail are known technology.

Claims (7)

1. a portable pneumatic cutter, for cutting the metal object of restriction human body or animal body, is characterized in that, comprises moveable compressed gas source, hand-hold type power converting unit, cutter unit, gas circuit connecting pipe and control module; Described gas source has pressure-control valve and pressure hose connector, described hand-hold type power converting unit has swivel head, this swivel head has the jig that fixing cutter unit is installed, and this hand-hold type power converting unit, take compressed gas pressure as power, drives cutter unit rotation; Described cutter unit is the Mini abrasive wheel of diameter 5-40mm, and it can be installed on swivel head by jig; Described gas circuit connecting pipe is pressure-resistant plastic flexible pipe, for connecting moveable compressed gas source, and control module and hand-hold type power converting unit; Moveable compressed gas source, hand-hold type power converting unit and gas circuit connecting pipe be by the dismountable connection of public type parent form connector, described control module control cutter unit rotating speed.

2. pneumatic cutter claimed in claim 1, wherein, described hand-hold type power converting unit is pneumatic cutting gun.

3. pneumatic cutter claimed in claim 1, wherein, described moveable compressed gas source comprises that fire-fighting is with breathing gas cylinder, portable air compressor, compressed gas cylinder.

4. pneumatic cutter claimed in claim 1, wherein, the rotating speed of described Mini abrasive wheel is 1000-6000rpm.

5. pneumatic cutter claimed in claim 1, wherein, described emery wheel is sheet, plate-like, column, step circle, selects the emery wheel of suitable shape to cut according to environment for use.

6. pneumatic cutter claimed in claim 1, wherein, described gas circuit connecting pipe increases extension tube as required.

7. a method of utilizing the portable cutter of any one in claim 1-6 to cut the metal object of restriction human body or animal body, it comprises,

Use pressure hose to connect moveable compressed gas source and hand-hold type power converting unit, described hand-hold type power converting unit is pneumatic cutting gun, and described moveable compressed gas source is that fire-fighting is with breathing gas cylinder;

Select the emery wheel of suitable shape;

By jig, Mini abrasive wheel is fixed on the swivel head of pneumatic cutting gun, the rotating speed of described Mini abrasive wheel is 1000-6000rpm;

Operation emery wheel cuts described metal.

Images