CN2085418U - Aerocyst type protecting door for coal mine - Google Patents

Abstract

The utility model discloses an aerocyst type protecting door for a coal mine capable of being assembled quickly, belonging to close doors for mines and tunnels. The aerocyst type protecting door for a coal is characterized in that the utility model achieves the purpose of completing the isolation protection in 5-10 minutes after the gas explosion, the fire and the flood of the coal mine and the colliery happened by an annular slot arranged in the wall of a coal cutting tunnel simultaneously following the coal cutting tunnel digging into combined with a positioning ring and an aerocyst quickly. The aerocyst type protecting door for a coal achieves the purpose of fast entering into the distress area to salvage and observing the condition of disaster in the distress area by providing a sealed door arranged on a sealed partition and an observing mirror arranged on the sealed door. The utility model is an ideal protecting door for coal mines and tunnels, which has the advantages of simple structure, low cost and quick assembly.

Description

Aerocyst type protecting door for coal mine

The utility model proposes a kind of quick assembling gasbag-type colliery protective door, belong to the closing door in mine and tunnel.

At present, aspect coal production, though taked a large amount of safety measures, disasters such as gas explosion happen occasionally both at home and abroad.Still build protecting wall by laying bricks or stones one for the coal cutting roadway behind generation gas explosion, the fire, carry out isolated protection with masonry.Finish this kind protecting wall, required masonry quantity is many and not only waste time and energy in the heavy material scene that is transported to.And it is very long to build such protecting wall required time by laying bricks or stones, and therefore protecting wall is set must be away from the spot, like this disaster area area just greatly, it is also many to relate in the disaster area personnel.Will completely cut off several days time after protecting wall is built by laying bricks or stones, till the safety, the outside personnel just can enter the disaster area rescue, are trapped in personnel in the disaster area, are difficult to survive in the disaster area.This is totally unfavorable to personnel in the timely rescue disaster area.So the shortcoming of above-mentioned isolated protection wall has two: the one, it is long to finish the used time of isolated protection; The 2nd, buttoned-up period outside personnel can not enter the disaster area and rescue, and cause personnel, thing loss greatly, and can not observe the disaster area.

Therefore, the objective of the invention is after gas explosion takes place in the colliery, finish isolated protection in 5～10 minutes; Can enter the disaster area buttoned-up period outside personnel rescues; And can observe situation in the disaster area at any time.By providing the cannelure, locating ring and the air bag realization speed that are arranged in the coal cutting roadway to fix,, reach the purpose of isolated protection by providing fire prevention airtight partition.Can enter the purpose that the disaster area is rescued rapidly by providing the sealed door that is arranged on the airtight partition to reach, reach the purpose that to observe situation in the disaster area in buttoned-up period at any time by the surveillance mirror that is arranged on the sealed door is provided in buttoned-up period.

Below in conjunction with accompanying drawing, introduce the structure and the operating principle of gasbag-type colliery protective door.

Accompanying drawing 1 is the front view of gasbag-type colliery protective door;

Fig. 2 is Figure 1A-A sectional drawing;

Fig. 3 is the front view of cannelure;

Fig. 4 is Fig. 3 B-B sectional drawing;

Fig. 5 is the front view of locating ring;

Fig. 6 is Fig. 5 C-C sectional drawing;

Fig. 7 is the front view of air bag;

Fig. 8 is Fig. 7 D-D sectional drawing

Referring to accompanying drawing 1 and accompanying drawing 2, among the figure, 1 is cannelure; 2 is locating ring; 3 is air bag; 4 is reinforcement; 5 is sealed door; 6 is the coal cutting roadway wall; 7 is that canvas is cut off in fire prevention; 8 are the qi of chong channel ascending adversely pump; 9 is surveillance mirror; 10 is switch; 11 is automatic exhaust steam valve; 12 is door-hinge. As seen from the figure, cannelure (1) is to be fixed in the coal cutting roadway wall (6) with cement; Locating ring (2) is to be contained in the opening of cannelure (1); Air bag (3) is contained in the cavity of cannelure (1) and locating ring (2) centre; The periphery of fireproof partition canvas (7) is embedded between locating ring (2) and the cannelure (1). Behind air bag (3) sufficient gas, cannelure (1), locating ring (2), fireproof partition canvas (7) are fixed in coal cutting roadway wall (6) groove, form a firmly integral body, because fireproof partition canvas (7) has good air-tightness and anti-flammability, so just consisted of an airtight partition. Reinforcement (4) is connected between every pair of locating ring (2), plays the support frame effect. Sealed door (5) is installed in two pairs of airtight partition lower-left sides anyhow between the reinforcement (4). Surveillance mirror (9) is positioned on the upper right corner of sealed door (5), and automatic exhaust steam valve (11) is installed between two fan-shaped reinforcements (4) of top half garden shape of airtight partition.

Referring to Fig. 3 and Fig. 4, be front view and the B-B profile of cannelure (1) shown in the figure. As seen from the figure, a plurality of fixed claws are arranged thereon, be used for cannelure (1) is fixed in the coal cutting roadway wall (6).

Referring to Fig. 5 and Fig. 6, shown in the figure front view and the C-C sectional drawing of locating ring (2), as seen from the figure, a connection handle is arranged in the middle, a hole is arranged on the handle, this handle and hole are used for being connected and fixed with reinforcing rib (4).

Referring to Fig. 7 and Fig. 8, shown in the figure front view and the D-D sectional drawing of air bag (3), as seen from the figure, there is an inflation to chew (13) in its underpart, be used for the inflation of qi of chong channel ascending adversely pump and use.

Introduce the structure of gasbag-type colliery protective door in detail below in conjunction with accompanying drawing.

The airbag restraint sealed door is made up of fixed system and security system two parts.Fixed system has cannelure (1), location annular (2), air bag (3), reinforcing rib (4), qi of chong channel ascending adversely pump compositions such as (8).Security system has sealed door (5), fire prevention to cut off canvas (7), surveillance mirror (9), automatic air valve compositions such as (11).

The setting of cannelure (1).When the cannelure (1) that opening arranged digs into coal cutting roadway, just fix one troughed belt in the cross section of coal cutting roadway wall (6) at a certain distance with concrete.In the form of a ring, opening inwardly, opening concordant with wall (convenient at ordinary times current).

Some joint locating rings (2) are installed in the opening of cannelure (1), and the connection handle of locating ring (2) exposes outside the opening of cannelure (1), are connected and fixed with reinforcing rib (4) between the connection handle of corresponding two locating rings (2).The reinforcing rib (4) that cuts off top is fan-shaped arranges, and the upper end of fan-shaped reinforcing rib (4) is connected with locating ring (2), and lower end and fan-shaped joint pin are connected and fixed, and constitute fan-shaped support frame.Some joint locating rings (2) form an endless belt after the opening assembling of cannelure (1).Inboard and the toroidal cavity of the middle formation of cannelure (1) in endless belt.

Air bag (3) is contained in the toroidal cavity that constitutes in the middle of cannelure (1) and the locating ring (2).

The shape of fire prevention partition canvas (7) is corresponding with big or small same cannelure (1), and the surrounding edge that fire prevention cuts off canvas (7) is embedded between cannelure (1) inboard and locating ring (2) outside, forms an airtight partition.It is the major part of airtight partition that fire prevention cuts off canvas (7), uses high-intensity canvas, and fire prevention seven is sprayed on the two sides, has good air-tightness.Play the partition effect of isolated protection when being mainly used in coal mine gas from explosion or breaking out of fire.If the generation floods, can be in the place of safety reinforcing rib (4) of one side go up and be equipped with steel plate, increase the compressive strength of canvas.Automatic air valve (11) is installed between two reinforcing ribs (4) of fan-shaped support frame above the airtight partition.When disaster area pressure was elevated to certain pressure, automatic vent was just closed after pressure descends automatically.Prevent that hypertonia from damaging airtight partition.

Above spare part, for preventing aging and corrosion, vanning is at ordinary times sealed up for safekeeping, when disaster alarm is arranged, unpacks and enables.

Introduce the operating principle of air bag colliery protective door below:

When 1, hearing the warning of gas explosion, professional rescue personnel hurries to the scene, and selects the annular troughed belt nearest from the incident location, and case is opened, and takes out various spare parts.

2, air bag (3) is put in cannelure (1) opening, filled a small amount of gas earlier.

3, long one side towards the disaster area on one side of locating ring (2), insert cannelure (1), and rotate inwards, can enter in cannelure (1) opening on one side the time, put in place to back rotation when short.Locating ring (2) bilateral symmetry is from bottom to up installed, and every symmetrical two internodes are connected and fixed with reinforcing rib (4).

4, get fire prevention partition canvas (7) and hang over disaster area one side, between the inboard of periphery embedding cannelure (1) and the outside of locating ring (2), give air bag (3) sufficient gas then.

5, sealed door (5) is contained in disaster area one side.Qi of chong channel ascending adversely pump (8), surveillance mirror (9), automatic air valve (11) are positioned on place of safety one side.

6, rescue: after above-mentioned action was finished, the disaster area just was in the isolated protection state.The specialty rescue personnel wears oxygen respirator and enters the disaster area, sealed door (5) is crossed in ambulant patient's 31 conductings entered the place of safety, when severely injured personnel that the observation personnel find to be rescued, should open sealed door (5) rapidly, and severely injured personnel is in time rescued the place of safety.

The air-bag type protection door can be applicable on the automobile, as the moistureproof sealed door of automobile, makes car door become elasticity to be connected with car body according to air bag, has both reached the dustproof purpose, and is simultaneously shockproof.During driving, do not have the sound, bring up to certain speed with the speed of a motor vehicle, the dustproof door of air bag can self-locking.

Claims (5)

1, a kind of gasbag-type colliery protective door is made up of fixed system and security system, it is characterized in that:

A, fixed system are made up of cannelure (1), locating ring (2), air bag (3), reinforcing rib (4), qi of chong channel ascending adversely pump (8);

B, security system are made up of sealed door (5), fire prevention partition canvas (7), surveillance mirror (9), automatic air valve (11).

2, gasbag-type according to claim 1 colliery protective door is characterized in that cannelure (1) has an annular opening.

3, gasbag-type according to claim 1 colliery protective door is characterized in that locating ring (2) inboard is an arcwall face, and there is a connection handle with holes in the outside.

4, gasbag-type according to claim 1 colliery protective door is characterized in that air bag (3) makes with elastomeric material.

5, gasbag-type according to claim 1 colliery protective door is characterized in that it is that the canvas of two sides spray fire prevention seven is made that fire prevention cuts off canvas (7).

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