CN112963191A

CN112963191A - Ventilation and dust removal safety equipment for coal mine driving face

Info

Publication number: CN112963191A
Application number: CN202110217396.5A
Authority: CN
Inventors: 罗云辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-02-26
Filing date: 2021-02-26
Publication date: 2021-06-15

Abstract

The invention discloses ventilation and dust removal safety equipment for a coal mine driving face, and belongs to the technical field of ventilation and dust removal equipment for coal mines. The utility model provides a colliery tunnelling working face ventilation dust removal safety device, the power distribution box comprises a box body, suction frame and air inlet frame have been placed to the bilateral symmetry structure on the box top, box upper end left wall runs through and is equipped with the suction subassembly, box upper end right side welding has the air inlet box, be equipped with the air inlet subassembly in the air inlet box, the box top surface is equipped with sealed lid, the inside mixed subassembly that is equipped with of box, the mixed subassembly rear side is equipped with the dust removal subassembly, box lower extreme inner wall rotates and is connected with the worm, through setting up the box, the suction frame and the air inlet frame of separation, when needs are to removing dust the ventilation in the mine, can place the box outside the mine, then take the place of colliery tunnelling work with suction frame and air inlet frame, avoided the device volume great problem emergence that is not convenient for in the mine and can occupy.

Description

Ventilation and dust removal safety equipment for coal mine driving face

Technical Field

The invention relates to the technical field of ventilation and dust removal equipment for coal mines, in particular to ventilation and dust removal safety equipment for a coal mine driving face.

Background

The coal mine is an area where people mine coal resources in a coal-rich mining area, and is generally divided into a mineworker coal mine and an opencast coal mine. The ventilation and dust removal device is required to filter air in coal mine engineering, and in the ventilation and dust removal safety system of the coal mine heading face in the prior art, CN111764947A has the defects that 1, the device is required to be placed inside a coal mine when in use, the whole device is placed in a deep position generally, the space inside the coal mine is narrow, and the whole device occupies a large space inside the coal mine, 2, the device is only filtered through a filter screen, so that the air with coal ash cannot be fully dedusted and is released to the outside, the outside air is polluted, and the haze in the area is serious after the time is too long, so that the health of people cannot be guaranteed.

Disclosure of Invention

1. Technical problem to be solved

The invention aims to provide ventilation and dust removal safety equipment for a coal mine tunneling working face, and aims to solve the problems in the background technology.

2. Technical scheme

A ventilation and dust removal safety device for a coal mine driving face comprises a box body, wherein a suction frame and an air inlet frame are arranged on the top surface of the box body in a bilateral symmetry structure, a suction assembly penetrates through the left wall of the upper end of the box body, an air inlet box is welded on the right side of the upper end of the box body, the air inlet assembly is arranged in the air inlet box, a sealing cover is arranged on the top surface of the box body, a mixing assembly is arranged in the box body, a dust removal assembly is arranged on the rear side of the mixing assembly, and a worm is rotatably;

the suction assembly comprises a suction box, a suction fan is arranged in the suction box, the outer wall of the right end of the suction box penetrates through the left wall of the upper end of the box body and extends to the inside of the box body, and an air outlet pipe penetrates through the lower wall of the right end of the suction box;

the suction frame and the air inlet frame are both composed of a placing frame and a bucket-shaped pipe, the suction frame is communicated with the left wall of the suction box through a hose, and the air inlet frame is communicated with the right wall of the air inlet box through a hose;

the air inlet assembly comprises a fixed plate, the upper end and the lower end of the fixed plate are respectively connected and fixed with the inner wall of the air inlet box, a motor is fixedly arranged on the right wall of the fixed plate, the output end of the motor penetrates through the right wall of the fixed plate to extend to the left part and is connected with a rotating shaft, the outer wall of the right end of the rotating shaft is sleeved with an air inlet fan, the outer wall of the left end of the rotating shaft sequentially penetrates through the inner wall of the left side of the air inlet box and the right wall of the box body to extend to the inside and is sleeved with a bevel gear A, and the outer;

the mixing assembly comprises a rotating shaft, the lower end of the rotating shaft is rotatably connected with the inner wall of the lower end of the box body, the outer wall of the lower end of the rotating shaft is sleeved with a worm wheel A, the worm wheel A is in meshing transmission with the outer wall of the front end of the worm, the rotating shaft is welded with a plurality of stirring plates in a linear structure close to the outer wall of the lower end, and the bevel gear B is in meshing transmission with the bevel gear A; the dust removal assembly comprises an impeller box, an impeller is arranged in the impeller box, a fixing rod is sleeved in the middle of the impeller, the lower end of the fixing rod penetrates through the inner wall of the lower end of the impeller box, extends to the lower side and is sleeved with a worm wheel B, the worm wheel B is meshed with the outer wall of the rear end of a worm to be driven, the bottom surface of the fixing rod is connected with the inner wall of the lower end of the box in a rotating mode, a water outlet pipe penetrates through the top surface of the impeller box, and.

Preferably, the box top surface runs through and has seted up the air outlet, the annular groove has been seted up to air outlet outside top surface, box lower extreme right wall runs through and is equipped with the valve.

Preferably, it is characterized in that: the stirring plate is of a net structure, and the outer wall of the upper end of the rotating shaft is sleeved with a bevel gear B.

Preferably, outlet pipe upper end is the setting of cruciform structure, equidistant welding of outlet pipe upper end bottom surface has a plurality of shower nozzles.

Preferably, the outer part of the lower end of the sealing cover is in sliding fit with the inner wall of the annular groove, the inner wall of the sealing cover is connected with a spring, and the lower end of the spring is fixedly connected with the top surface of the air outlet.

3. Advantageous effects

Compared with the prior art, the invention has the advantages that:

1. by arranging the box body, the separated suction frame and the air inlet frame, when dust removal and ventilation are needed to be carried out in a mine, the box body can be placed outside the mine, then the suction frame and the air inlet frame are taken to the place where the coal mine is tunneled, the suction frame and the air inlet frame are respectively placed on two sides of a corridor, then the suction frame is connected with the suction assembly by a hose, the air inlet assembly of the air inlet frame is connected, clean water is poured into the box body, the motor drives the air inlet fan connected with the rotating shaft to rotate, so that the air inlet fan conveys outside air into the mine through the hose to play a ventilation effect, then the rotating shaft drives the connected suction fan to rotate, the air with coal ash in the mine is sucked into the box body by the hose and the suction frame, the whole device does not need to be moved into the mine when ventilation and dust removal are carried out, and the suction frame and the air inlet frame are placed into the mine, the problem that the device is large in size, not convenient to move into a mine and capable of occupying a large space inside the mine is solved, and the applicability of the device is higher.

2. By arranging the mixing component and the dust removing component, water overflowing the lower end of the air outlet pipe is placed in the box body, then the air with the coal ash is led into the water through the air outlet pipe by the suction component, at the moment, because more air can form larger bubbles, and then the air directly floats to the water surface and is fried, so that the air with dust is not fully removed, then when the rotating shaft rotates, the bevel gear A is driven to rotate, the bevel gear A drives the bevel gear B to rotate, the bevel gear B drives the rotating shaft to rotate, the stirring plate on the rotating shaft can stir and crush the bubbles in the water, so that the coal ash in the bubbles can be fully dissolved into the water, the dust removing effect is better, then the worm wheel A is driven to rotate when the rotating shaft rotates, the meshed worm can drive the meshed worm wheel B to rotate, and the coaxial impeller rotates, make the water in the impeller will the box can suction in the outlet pipe, then spout through the shower nozzle, play the effect of further dust fall, this device is through the dust fall of multistep for the dust removal effect of device reaches best, makes the air after the dust removal can not cause the pollution to the atmosphere of outside, has protected the environment.

3. Through setting up sealed lid and annular groove, utilize the elasticity of spring, when the volume of the air in the box is not enough, the pressure of air is not enough to open sealed lid for the inside air of box can obtain abundant dust removal, makes dust removal effect further improve, through setting up the impeller, makes water in the box can used repeatedly, has avoided the waste of water resource.

Drawings

FIG. 1 is a front side schematic view of the overall structure of the present invention;

FIG. 2 is a front cross-sectional view of the overall structure of the present invention;

FIG. 3 is a schematic front side view of the container and sealing cover structure of the present invention;

FIG. 4 is a front view of the suction assembly and air intake assembly of the present invention;

FIG. 5 is a schematic structural view of a mixing assembly and a dust-removing assembly according to the present invention;

the reference numbers in the figures illustrate: 1. a box body; 2. a suction frame; 3. an air inlet frame; 4. a suction assembly; 5. an air inlet box; 6. an air intake assembly; 7. a sealing cover; 8. a mixing assembly; 9. a dust removal assembly; 10. a worm; 101. an air outlet; 102. an annular groove; 103. a valve; 401. a suction box; 402. a suction fan; 403. an air outlet pipe; 201. placing a rack; 202. a bucket type pipe; 601. a fixing plate; 602. a motor; 603. a rotating shaft; 604. a fan inlet; 605. a bevel gear A; 801. a rotating shaft; 802. a worm gear A; 803. stirring the plate; 804. a bevel gear B; 901. an impeller case; 902. an impeller; 903. fixing the rod; 904. a worm gear B; 905. a water outlet pipe; 906. a spray head; 701. a spring.

Detailed Description

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used only for convenience of description and simplicity of description, and do not indicate or imply that the equipment or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered as limiting the present invention.

In the description of the present invention, "a plurality" means two or more unless specifically defined otherwise.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "sleeved/connected," "connected," and the like are to be construed broadly, e.g., "connected," which may be 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-5, the present invention provides a technical solution:

the utility model provides a colliery tunnelling working face ventilation dust removal safety equipment, the power distribution box comprises a

box body

1, 1 top surface of box is bilateral symmetry structure and has placed suction frame 2 and air inlet frame 3, 1 upper end left wall of box runs through and is equipped with

suction subassembly

4, 1 upper end right side welding of box has air inlet box 5, be equipped with air inlet subassembly 6 in the

air inlet box

5, 1 top surface of box is equipped with sealed

lid

7, 1 inside mixed subassembly 8 that is equipped with of box, 8 rear sides of mixed subassembly are equipped with

dust removal subassembly

9, 1 lower extreme inner wall of box rotates and is connected with worm 10, suction frame 2 and air inlet frame 3 can be taken away.

Suction assembly 4 includes suction box 401, and suction box 401 is inside to be equipped with suction fan 402, and suction box 401 right-hand member outer wall passes box 1 upper end left wall and extends to inside, and suction box 401 right-hand member lower wall runs through and is equipped with outlet duct 403, and suction assembly 4 plays and draws the air that has the coal ash to in the box 1.

Suction frame 2 and air inlet frame 3 constitute by rack 201 and fill type pipe 202, and suction frame 2 passes through the hose and feeds through with suction box 401 left wall, and air inlet frame 3 passes through hose and 5 right walls of air inlet box intercommunication, and the hose makes suction frame 2 and air inlet frame 3 and the box 1 between concrete can be adjusted.

Air inlet subassembly 6 includes fixed plate 601, both ends are fixed with 5 interior wall connections of air inlet box respectively about fixed plate 601, fixed plate 601 right wall has set firmly motor 602, the motor 602 output passes fixed plate 601 right wall and extends to the left part and is connected with pivot 603, pivot 603 right-hand member outer wall has cup jointed into fan 604, pivot 603 left end outer wall passes air inlet box 5 left side inner wall and 1 right wall of box in proper order and extends to inside and has cup jointed bevel gear A605, pivot 603 left end outer wall passes suction box 401 right wall and extends to inside and with suction fan 402 middle part connection fixed, air inlet subassembly 6 plays and carries out the effect of ventilating in sucking the mine with the air of outside.

Mixing assembly 8 includes axis of rotation 801, axis of rotation 801 lower extreme and 1 lower extreme inner wall of box rotate to be connected, axis of rotation 801 lower extreme outer wall has cup jointed worm wheel A802, worm wheel A802 and the meshing transmission of worm 10 front end outer wall, axis of rotation 801 is close to the lower extreme outer wall and has a plurality of stirring boards 803 in the welding of linear structure, stirring board 803 is the network structure setting, axis of rotation 801 upper end outer wall has cup jointed bevel gear B804, bevel gear B804 and bevel gear A605 meshing transmission, the network structure sets up stirring board 803 and makes the resistance reduce greatly.

Dust removal subassembly 9 includes impeller box 901, be equipped with impeller 902 in the impeller box 901, dead lever 903 has been cup jointed in the middle part of impeller 902, the dead lever 903 lower extreme passes impeller box 901 lower extreme inner wall and extends to the below and cup joints worm wheel B904, worm wheel B904 and the transmission of worm 10 rear end outer wall meshing, the dead lever 903 bottom surface is connected with 1 lower extreme inner wall of box rotation, impeller box 901 top surface runs through and is equipped with outlet pipe 905, outlet pipe 905 upper end is the setting of cruciform structure, the equidistant welding of outlet pipe 905 upper end bottom surface has a plurality of shower nozzles 906, impeller 902 plays the effect of drawing water.

Specifically, the top surface of the box body 1 is provided with an air outlet 101 in a penetrating manner, the top surface of the outer side of the air outlet 101 is provided with an annular groove 102, the right wall of the lower end of the box body 1 is provided with a valve 103 in a penetrating manner, and the valve 103 is used for replacing a water source inside the box body 1.

Further, the outer portion of the lower end of the sealing cover 7 is in sliding fit with the inner wall of the annular groove 102, the inner wall of the sealing cover 7 is connected with a spring 701, the lower end of the spring 701 is fixedly connected with the top surface of the air outlet 101, and the sealing cover 7 enables air inside the box body 1 to be fully dedusted.

The working principle is as follows: when dust removal ventilation needs to be carried out in a mine, the box body 1 can be placed outside the mine, the suction frame 2 and the air inlet frame 3 are taken to a place where a coal mine is tunneled, the suction frame 2 and the air inlet frame 3 are respectively placed on two sides of a channel, the suction frame 2 is connected with the suction component 4 through a hose, the air inlet component 6 of the air inlet frame 3 is connected with the air inlet component 6, clean water is poured into the box body 1, the motor 602 is used for driving the air inlet fan 604 connected with the rotating shaft 603 to rotate, so that the air inlet fan 604 conveys outside air into the mine through the hose to achieve a ventilation effect, then the rotating shaft 603 can drive the connected suction fan 402 to rotate, the air with coal ash in the mine is sucked into the box body 1 through the hose and the suction frame 2, the whole device does not need to be moved into the mine when ventilation and dust removal are carried out, and the suction frame 2 and the air inlet frame 3 are placed into the mine, the problem that the device is large in size, inconvenient to move into a mine and occupies a large space inside the mine is solved, the applicability of the device is higher, by arranging the mixing component 8 and the dust removal component 9, water overflowing the lower end of the air outlet pipe 403 is placed in the box body 1, then the air with the coal ash is led into the water through the air outlet pipe 403 by the suction component 4, at the moment, large bubbles are formed due to the fact that the air is large, then the air directly floats to the water surface and is exploded, so that the air with dust is not fully removed, then when the rotating shaft 603 rotates, the bevel gear A605 is driven to rotate, the bevel gear B804 is driven to rotate by the bevel gear B804, the stirring plate 803 on the rotating shaft 801 can stir the bubbles in the water, so that the coal ash in the bubbles can be fully dissolved in the water, and the dust removal effect is better, then can drive worm wheel A802 when axis of rotation 801 rotates and rotate, make engaged worm 10 rotate, worm 10 can drive engaged worm wheel B904 and rotate, make coaxial impeller 902 rotate, make in impeller 902 can suction outlet pipe 905 with the water in the box 1, then spout through shower nozzle 906, play the effect of further dust fall, this device is through the dust fall of multistep, make the dust removal effect of device reach the best, make the air after the dust removal can not cause the pollution to the atmosphere of outside, the environment has been protected, through setting up sealed lid 7 and annular groove 102, utilize the elasticity of spring 701, when the volume of the air in the box 1 is not enough, the pressure of air is not enough to open sealed lid 7, make the inside air of box 1 can obtain abundant dust removal, make the dust removal effect further improve.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and the preferred embodiments of the present invention are described in the above embodiments and the description, and are not intended to limit the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a colliery tunnelling working face ventilation dust removal safety device, includes box (1), its characterized in that: the box body (1) is provided with a suction frame (2) and an air inlet frame (3) which are arranged on the top surface in a bilateral symmetry structure, a suction assembly (4) penetrates through the left wall of the upper end of the box body (1), an air inlet box (5) is welded on the right side of the upper end of the box body (1), an air inlet assembly (6) is arranged in the air inlet box (5), a sealing cover (7) is arranged on the top surface of the box body (1), a mixing assembly (8) is arranged in the box body (1), a dust removal assembly (9) is arranged on the rear side of the mixing assembly (8), and a worm (10) is rotatably connected to the inner;

the suction assembly (4) comprises a suction box (401), a suction fan (402) is arranged in the suction box (401), the outer wall of the right end of the suction box (401) penetrates through the left wall of the upper end of the box body (1) and extends to the inside, and an air outlet pipe (403) penetrates through the lower wall of the right end of the suction box (401);

the suction frame (2) and the air inlet frame (3) are both composed of a placing frame (201) and a bucket-shaped pipe (202), the suction frame (2) is communicated with the left wall of the suction box (401) through a hose, and the air inlet frame (3) is communicated with the right wall of the air inlet box (5) through a hose;

the air inlet assembly (6) comprises a fixing plate (601), the upper end and the lower end of the fixing plate (601) are respectively fixedly connected with the inner wall of the air inlet box (5), a motor (602) is fixedly arranged on the right wall of the fixing plate (601), the output end of the motor (602) penetrates through the right wall of the fixing plate (601) to extend to the left part and is connected with a rotating shaft (603), the outer wall of the right end of the rotating shaft (603) is sleeved with an air inlet fan (604), the outer wall of the left end of the rotating shaft (603) sequentially penetrates through the inner wall of the left side of the air inlet box (5) and the right wall of the box body (1) to extend to the inside and is sleeved with a bevel gear A (605), and the outer wall of the left end of the rotating shaft (603;

the mixing assembly (8) comprises a rotating shaft (801), the lower end of the rotating shaft (801) is rotatably connected with the inner wall of the lower end of the box body (1), the outer wall of the lower end of the rotating shaft (801) is sleeved with a worm wheel A (802), the worm wheel A (802) is in meshing transmission with the outer wall of the front end of the worm (10), the rotating shaft (801) is close to the outer wall of the lower end and is welded with a plurality of stirring plates (803) in a linear structure, and the bevel gear B (804) is in meshing transmission with the bevel gear A (605); the dedusting assembly (9) comprises an impeller box (901), an impeller (902) is arranged in the impeller box (901), a fixing rod (903) is sleeved in the middle of the impeller (902), the lower end of the fixing rod (903) penetrates through the inner wall of the lower end of the impeller box (901) to extend to the lower side and is sleeved with a worm wheel B (904), the worm wheel B (904) is in meshing transmission with the outer wall of the rear end of the worm (10), the bottom surface of the fixing rod (903) is rotatably connected with the inner wall of the lower end of the box body (1), a water outlet pipe (905) penetrates through the top surface of the impeller box (901), and the upper end of the water outlet pipe (.

2. A coal mine driving face ventilation and dust removal safety device according to claim 1, wherein: the air outlet (101) is formed in the top surface of the box body (1) in a penetrating mode, the annular groove (102) is formed in the top surface of the outer side of the air outlet (101), and the valve (103) is formed in the right wall of the lower end of the box body (1) in a penetrating mode.

3. A coal mine driving face ventilation and dust removal safety device according to claim 2, wherein: the stirring plate (803) is of a net structure, and the outer wall of the upper end of the rotating shaft (801) is sleeved with a bevel gear B (804).

4. A coal mine driving face ventilation and dust removal safety device according to claim 3, wherein: a plurality of spray heads (906) are welded on the bottom surface of the upper end of the water outlet pipe (905) at equal intervals.

5. A coal mine heading face ventilation and dust removal safety device according to claim 4, wherein: the outer portion of the lower end of the sealing cover (7) is in sliding fit with the inner wall of the annular groove (102), the inner wall of the sealing cover (7) is connected with a spring (701), and the lower end of the spring (701) is fixedly connected with the top surface of the air outlet (101).