CN213574220U

CN213574220U - Device for preventing coal mine gas explosion impact damage

Info

Publication number: CN213574220U
Application number: CN202022735415.7U
Authority: CN
Inventors: 侯唐业; 李炳辰; 任子龙; 刘耀中; 冯哲; 侯思雨
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-06-29
Anticipated expiration: 2030-11-24

Abstract

The utility model discloses a device of prevention colliery gas explosion impact damage belongs to colliery safety protection technical field, and it includes the set casing, the inside right side of set casing is provided with the baffle, a plurality of through-hole has been seted up to the right flank of baffle, the fixed position that the baffle left surface corresponds a plurality of through-hole is connected with the cover of ventilating, the left surface of the cover of ventilating is linked together with the one end of trunk line. This prevention colliery gas explosion strikes device of destruction, through be provided with the baffle in the well, when gas explosion produces the shock wave, can drive the air from a plurality of through-hole, the cover of ventilating, trunk line and branch pipe fill in the gasbag, utilize the impact force on the expanded gasbag absorption baffle, can block the object that splashes among the explosion process, reduce casualties and loss of property that gas explosion accident caused personnel, the while can effectively reduce the shock wave that blocks the explosion production and propagate along the well direction, thereby the security and the reliability of working under the coal mine have been improved.

Description

Device for preventing coal mine gas explosion impact damage

Technical Field

The utility model belongs to the technical field of the colliery safety protection, specifically be a device of prevention colliery gas explosion impact damage.

Background

In the process of coal mining, there is the risk of gas explosion, and gas explosion can cause a large amount of casualties, and mining equipment damages in the pit, brings huge loss for the coal mining enterprise, in order to improve the security of coal mining, needs to reduce harm and the loss of property that gas explosion brought, consequently, needs a prevention coal mine gas explosion and strikes device of destruction.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art's above-mentioned defect, the utility model provides a device of prevention colliery gas explosion impact damage has solved colliery gas explosion and has caused a large amount of casualties, and mining equipment damages in the pit brings huge loss's problem for the coal charcoal enterprise.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a device of prevention colliery gas explosion impact damage, includes the set casing, the inside right side of set casing is provided with the baffle, a plurality of through-hole has been seted up to the right flank of baffle, the fixed position that the baffle left surface corresponds a plurality of through-hole is connected with the cover of ventilating, the left surface of the cover of ventilating is linked together with the one end of trunk line, equal fixedly connected with branch pipe all around on trunk line surface all is provided with the check valve on four branch pipes, and the one end that four branch pipes kept away from each other all is linked together with the inner wall of gasbag, the gasbag sets up between set casing and baffle.

As a further aspect of the present invention: the upper side and the lower side of the right side face of the fixed shell are both movably connected with clamping plates through pin shafts, and the two clamping plates are respectively lapped on the upper side and the lower side of the right side face of the baffle.

As a further aspect of the present invention: the equal fixedly connected with dead lever all around of baffle left surface, the equal fixedly connected with spheroid of the left end of four dead levers.

As a further aspect of the present invention: the spheroid joint is at the spacing inslot, the right flank at the connecting block is seted up to the spacing groove, the left surface fixedly connected with movable rod of connecting block, the left end of movable rod passes spacing hole and extends to the left side of set casing, the spring has been cup jointed on the surface of movable rod, both ends difference fixed connection is at the left surface of set casing inner wall and the left surface of connecting block about the spring.

As a further aspect of the present invention: the lower fixed surface of set casing is connected with unable adjustment base, the left and right sides of unable adjustment base upper surface all passes through the inflation screw to be fixed on ground.

As a further aspect of the present invention: the top of set casing left surface is through first connecting piece and the top swing joint of bracing piece, the bottom of bracing piece is through second connecting piece and ground swing joint.

(III) advantageous effects

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. this prevention colliery gas explosion strikes device of destruction, through be provided with the baffle in the well, when gas explosion produces the shock wave, can drive the air from a plurality of through-hole, the cover of ventilating, trunk line and branch pipe fill in the gasbag, utilize the impact force on the expanded gasbag absorption baffle, can block the object that splashes among the explosion process, reduce casualties and loss of property that gas explosion accident caused personnel, the while can effectively reduce the shock wave that blocks the explosion production and propagate along the well direction, thereby the security and the reliability of working under the coal mine have been improved.

2. This prevention colliery gas explosion strikes device of destruction, through setting up the dead lever, the spheroid, the spacing groove, the connecting block, the movable rod, through-hole and spring, utilize spacing groove joint spheroid to carry on spacingly to the baffle for baffle swing joint is in the set casing, can be nimble carry out the dismouting, when the baffle received the impact simultaneously, the spring received the elasticity that the extrusion produced can cushion the baffle, can absorb partial shock wave, through absorbing layer upon layer, thereby reduced gas explosion and brought destruction.

3. This prevention colliery gas explosion strikes device of destruction, through setting up first connecting piece, bracing piece and second connecting piece, utilizes first connecting piece and second connecting piece to fix respectively at set casing and subaerial for the bracing piece has supported the set casing, and cooperation unable adjustment base makes the more stable fixing of set casing subaerial, has improved the ability of set casing impact resistance.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;

FIG. 2 is a left side view of the airbag of the present invention;

FIG. 3 is an enlarged front view of the connecting block of the present invention;

in the figure: the device comprises a fixed shell 1, a baffle 2, a through hole 3, a vent cover 4, a main pipeline 5, a branch pipeline 6, a check valve 7, an air bag 8, a clamping plate 9, a fixed rod 10, a ball 11, a limit groove 12, a connecting block 13, a movable rod 14, a limit hole 15, a spring 16, a fixed base 17, a first connecting piece 18, a supporting rod 19 and a second connecting piece 20.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

As shown in fig. 1-3, the utility model provides a technical solution: a device for preventing coal mine gas explosion impact damage comprises a fixed shell 1, a baffle 2 is arranged on the right side inside the fixed shell 1, a plurality of through holes 3 are formed in the right side surface of the baffle 2, a ventilation cover 4 is fixedly connected to the position, corresponding to the through holes 3, of the left side surface of the baffle 2, the left side surface of the ventilation cover 4 is communicated with one end of a main pipeline 5, branch pipes 6 are fixedly connected to the periphery of the surface of the main pipeline 5, check valves 7 are arranged on the four branch pipes 6, the ends, away from each other, of the four branch pipes 6 are communicated with the inner wall of an air bag 8, the air bag 8 is arranged between the fixed shell 1 and the baffle 2, when impact waves are generated by gas explosion, air can be driven to fill the air bag 8 from the through holes 3, the ventilation cover 4, the main pipeline 5 and the branch pipes 6, and the impact forces on the, the device can block objects splashed in the explosion process, reduce casualties and property losses caused by gas explosion accidents to personnel, and effectively reduce the propagation of shock waves generated by blocking explosion along the well direction, thereby improving the safety and reliability of the underground work of the coal mine.

Specifically, as shown in fig. 1, the upper part and the lower part of the right side surface of the fixed casing 1 are movably connected with the clamping plates 9 through pin shafts, the two clamping plates 9 are respectively lapped on the upper part and the lower part of the right side surface of the baffle 2, the baffle 2 can be disassembled and assembled by arranging the clamping plates 9, thereby bringing convenience to the operation, the lower surface of the fixed casing 1 is fixedly connected with the fixed base 17, the left side and the right side of the upper surface of the fixed base 17 are fixed on the ground through expansion screws, the upper part of the left side surface of the fixed casing 1 is movably connected with the top end of the supporting rod 19 through the first connecting piece 18, the bottom end of the supporting rod 19 is movably connected with the ground through the second connecting piece 20, by arranging the first connecting piece 18, the supporting rod 19 and the second connecting piece 20, the first connecting piece 18 and the second connecting piece 20 are respectively fixed on the fixed casing 1 and, the fixed base 17 is matched to enable the fixed shell 1 to be fixed on the ground more stably, and the impact resistance of the fixed shell 1 is improved.

Specifically, as shown in fig. 3, the periphery of the left side of the baffle 2 is fixedly connected with fixed rods 10, the left ends of the four fixed rods 10 are fixedly connected with spheres 11, the spheres 11 are clamped in a limiting groove 12, the limiting groove 12 is arranged on the right side of a connecting block 13, the left side of the connecting block 13 is fixedly connected with a movable rod 14, the left end of the movable rod 14 passes through a limiting hole 15 and extends to the left side of the fixed casing 1, a spring 16 is sleeved on the surface of the movable rod 14, the left end and the right end of the spring 16 are respectively fixedly connected to the left side of the inner wall of the fixed casing 1 and the left side of the connecting block 13, the baffle 2 is limited by clamping the spheres 11 in the limiting groove 12 through the arrangement of the fixed rods 10, the spheres 11, the connecting block 13, the movable rod 14, the through holes 3 and the spring 16, so that the baffle 2 is movably connected in the fixed casing 1, the baffle 2, the baffle 2 can be buffered by the elastic force generated by the extrusion of the spring 16, partial shock waves can be absorbed, and the damage caused by gas explosion is reduced by layer-by-layer absorption.

The utility model discloses a theory of operation does:

s1, when in use, the fixed base 17 is installed on the ground through an expansion screw, the fixed shell 1 is connected with the ground through the first connecting piece 18 and the second connecting piece 20, the fixed shell 1 is fixed by the supporting rod 19, then the baffle 2, the ventilation hood 4, the main pipeline 5, the branch pipe 6 and the air bag 8 are installed in the fixed shell 1 through the rotary clamping plate 9, the four spheres 11 are respectively clamped in the four limiting grooves 12, and then the baffle 2 is clamped in the fixed shell 1 through the rotary clamping plate 9;

s2, when the gas explosion generates shock waves, the generated air flow can be filled into the air bag 8 from the through holes 3, the ventilation cover 4, the main pipeline 5 and the branch pipes 6, the air bag 8 expands to absorb the impact force of the shock waves on the baffle 2, and meanwhile, the spring 16 receives the elastic force generated by extrusion to buffer the baffle 2 and absorb the impact force on the baffle 2 again.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The utility model provides a device of colliery gas explosion impact damage, includes set casing (1), its characterized in that: the inside right side of set casing (1) is provided with baffle (2), a plurality of through-hole (3) have been seted up to the right flank of baffle (2), baffle (2) left flank is corresponding the position fixedly connected with ventilation cover (4) of a plurality of through-hole (3), the left surface of ventilation cover (4) is linked together with the one end of trunk line (5), equal fixedly connected with branch pipe (6) all around on trunk line (5) surface all are provided with check valve (7) on four branch pipe (6), and the one end that four branch pipe (6) kept away from each other all is linked together with the inner wall of gasbag (8), gasbag (8) set up between set casing (1) and baffle (2).

2. The device for preventing coal mine gas explosion impact damage according to claim 1, wherein: the upper side and the lower side of the right side face of the fixed shell (1) are both movably connected with clamping plates (9) through pin shafts, and the two clamping plates (9) are respectively lapped on the upper side and the lower side of the right side face of the baffle (2).

3. The device for preventing coal mine gas explosion impact damage according to claim 1, wherein: all fixedly connected with dead lever (10) around baffle (2) left surface, the equal fixedly connected with spheroid (11) of the left end of four dead levers (10).

4. The device for preventing coal mine gas explosion impact damage according to claim 3, wherein: spheroid (11) joint is in spacing groove (12), the right flank at connecting block (13) is seted up in spacing groove (12), the left surface fixedly connected with movable rod (14) of connecting block (13), the left end of movable rod (14) passes spacing hole (15) and extends to the left side of set casing (1), spring (16) has been cup jointed on the surface of movable rod (14), both ends difference fixed connection is at the left surface of set casing (1) inner wall and the left flank of connecting block (13) about spring (16).

5. The device for preventing coal mine gas explosion impact damage according to claim 1, wherein: the lower fixed surface of set casing (1) is connected with unable adjustment base (17), the left and right sides of unable adjustment base (17) upper surface all passes through the inflation screw to be fixed on ground.

6. The device for preventing coal mine gas explosion impact damage according to claim 1, wherein: the top of the left side surface of the fixed shell (1) is movably connected with the top end of the supporting rod (19) through a first connecting piece (18), and the bottom end of the supporting rod (19) is movably connected with the ground through a second connecting piece (20).