CN213684205U

CN213684205U - Dust suppression and falling device for underground coal mine

Info

Publication number: CN213684205U
Application number: CN202020976900.0U
Authority: CN
Inventors: 杨茂青; 牛云腾; 李夏敏; 葛其潮
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-07-13
Anticipated expiration: 2030-06-02

Abstract

The utility model relates to the technical field of dust collecting devices, and discloses a coal mine underground dust suppression and falling device, which comprises a collecting box with an opening at the lower end, the bottom of the collecting box is connected with a connecting frame through two symmetrically arranged connecting mechanisms, and the bottom of the connecting frame is fixedly connected with a dust collecting box, an air inlet pipe is fixedly communicated on the vertical outer box wall at one side of the dust collecting box, a suction fan is fixedly arranged in the air inlet pipe, an air outlet pipe is fixedly communicated with the vertical outer box wall of the dust collection box far away from the air inlet pipe, the inner pipe wall of the air outlet pipe close to the collecting box is fixedly connected with a filter screen, the side wall of the middle part of the filter screen is rotatably connected with a rotating rod through a bearing, and the bearing is fixed to be established in the filter screen, the both ends of bull stick all run through the filter screen and outwards extend, are located fixedly connected with cleaning brush on the pole wall of bull stick in the collecting box, and cleaning brush offsets with the filter screen. The utility model discloses be convenient for put out and reduce the dust to colliery in the pit.

Description

Dust suppression and falling device for underground coal mine

Technical Field

The utility model relates to a dust collecting device technical field especially relates to a colliery is dust suppression dust device in pit.

Background

Coal mines are areas where humans mine coal resources in coal-rich mining areas, and are generally divided into underground coal mines and opencast coal mines. When the coal seam is far from the ground surface, a tunnel is usually dug to the underground, so that the coal is a mineworker coal mine. When the coal seam is very close to the earth surface, the coal is generally excavated by directly stripping the earth surface, which is an open pit coal mine. The vast majority of coal mines in China belong to underground coal mines. Coal mines encompass a large area above ground and below ground as well as associated facilities. Coal mines are reasonable spaces excavated by humans when excavating geological formations rich in coal and generally include roadways, wells, and mining surfaces, among others. Coal is the most predominant solid fuel, one of the flammable organic rocks.

However, when the underground coal mine works, dust is inevitably generated, and then the health of workers is influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the pull wire pole is slow in the prior art, the wire rope bears the pulling force great and removes the easy slope of fixed back wire pole, and the colliery dust suppression dust device that pounces on in pit that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a dust suppression and falling device for underground coal mine comprises a collecting box with an opening at the lower end, the bottom of the collecting box is connected with a connecting frame through two symmetrically arranged connecting mechanisms, and the bottom of the connecting frame is fixedly connected with a dust collecting box, an air inlet pipe is fixedly communicated on the vertical outer box wall at one side of the dust collecting box, a suction fan is fixedly arranged in the air inlet pipe, an air outlet pipe is fixedly communicated with the vertical outer box wall of the dust collection box far away from the air inlet pipe, the inner pipe wall of the air outlet pipe close to the collecting box is fixedly connected with a filter screen, the side wall of the middle part of the filter screen is rotatably connected with a rotating rod through a bearing, the bearing is fixedly arranged in the filter screen, both ends of the rotating rod penetrate through the filter screen and extend outwards, the rod wall of the rotating rod in the collecting box is fixedly connected with a cleaning brush, and the cleaning brush is abutted against the filter screen and is positioned on the rod wall of the rotating rod in the air outlet pipe, and a plurality of blades are fixedly connected with the rotating rod in an annular distribution and uniform and equal distance.

Preferably, coupling mechanism includes card hole, draw-in groove, spring and fixture block, two the draw-in groove symmetry is seted up on collecting box and the outer wall of the looks mutually of connecting frame assorted, the card hole is seted up on the corresponding frame wall of connecting frame and draw-in groove, spring fixed connection is on the tank bottom of draw-in groove, the one end of draw-in groove tank bottom is kept away from to fixture block fixed connection at the spring, and the one end that the spring was kept away from to the fixture block passes the notch of draw-in groove and extends to the downthehole extension of card.

Preferably, the opposite groove walls of the clamping grooves are symmetrically provided with sliding grooves, the sliding grooves are connected with sliding blocks in a sliding mode, and the opposite ends of the two sliding blocks penetrate through the notches of the corresponding sliding grooves and extend outwards and are fixedly connected with the clamping blocks.

Preferably, the nozzle of the air inlet pipe is hinged with a protection plate.

Preferably, the inner frame wall of the connecting frame is fixedly connected with a sealing gasket, and the connecting frame is in sealing sliding connection with the collecting box through the sealing gasket.

Preferably, the clamping block is arranged in a right trapezoid shape in section, and a handle is fixedly connected to the outer box wall on the top of the collecting box.

Compared with the prior art, the utility model provides a dust suppression device is pounced out in pit in colliery possesses following beneficial effect:

1. this dust suppression device pounces on dirt in pit in colliery, through setting up the link frame, the dust collection box, the intake pipe, the suction fan, the outlet duct, the filter screen, the bull stick, clearance brush and flabellum, when needing the dust absorption, start the suction fan, and then the suction fan is with external dust in the air intake collection box even, and then the air is filtered by the filter screen, and then clean air is discharged, the dust is sucked in the collecting box, because the effect of outlet duct, make the relative collecting box internal flow velocity of air flow rate of outflow faster, and then make the flabellum rotatory, and then make the bull stick rotatory, and then make the clearance brush clear up the filter screen, prevent that the dust from piling up the condition emergence on the filter screen.

2. This dust suppression device pounces on dirt in pit in colliery through setting up card hole, draw-in groove, spring and fixture block, when needing to collect the dust, exerts a thrust to the fixture block, breaks away from the card hole back completely when the fixture block for the link frame separates with the collecting box, and then can take off the dust collection box, and then be convenient for collect the dust, during the installation dust collection box, with the fixture block card go into the card hole can.

The part that does not relate to in the device all is the same with prior art or can adopt prior art to realize, the utility model discloses be convenient for put out and reduce the dust to the colliery in the pit.

Drawings

Fig. 1 is a schematic structural view of a dust suppression and falling device for underground coal mine according to the present invention;

fig. 2 is an enlarged view of a portion a in fig. 1.

In the figure: 1 collecting box, 21 clamping holes, 22 clamping grooves, 23 springs, 24 clamping blocks, 3 connecting frames, 4 dust collecting boxes, 5 air inlet pipes, 6 suction fans, 7 air outlet pipes, 8 filter screens, 9 rotating rods, 10 cleaning brushes, 11 fan blades, 12 sliding grooves and 13 sliding blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1-2, a dust suppression and falling device for coal mine underground dust suppression comprises a collecting box 1 with an opening at the lower end, the bottom of the collecting box 1 is connected with a connecting frame 3 through two symmetrically arranged connecting mechanisms, the bottom of the connecting frame 3 is fixedly connected with a dust collecting box 4, an air inlet pipe 5 is fixedly communicated on a vertical outer wall of one side of the dust collecting box 4, a suction fan 6 is fixedly installed in the air inlet pipe 5, an air outlet pipe 7 is fixedly communicated on a vertical outer wall of the dust collecting box 4 far away from the air inlet pipe 5, a filter screen 8 is fixedly connected on an inner wall of the air outlet pipe 7 close to the collecting box 1, a rotating rod 9 is rotatably connected on the middle side wall of the filter screen 8 through a bearing, the bearing is fixedly arranged in the filter screen 8, two ends of the rotating rod 9 both penetrate through the filter screen 8 and extend outwards, a cleaning brush 10 is fixedly connected on the rod wall, lie in and be a plurality of flabellums 11 of the even equidistance fixedly connected with of annular distribution on 7 adversion rods 9's of outlet duct, when needing the dust absorption, start suction fan 6, and then suction fan 6 is taken the air with external dust and is inhaled collecting box 1, and then the air is filtered by filter screen 8, and then clean air is discharged, the dust is inhaled in collecting box 1, because the effect of outlet duct 7, make the relative collecting box 1 internal flow velocity of the air flow velocity of outflow faster, and then make flabellum 11 rotatory, and then make the bull stick 9 rotatory, and then make cleaning brush 10 clear up filter screen 8, prevent that the dust from piling up the condition emergence on filter screen 8.

Coupling mechanism includes card hole 21, draw-in groove 22, spring 23 and fixture block 24, two draw-in grooves 22 symmetry are seted up on collecting box 1 and the outer tank wall of the assorted back of the body of connecting frame 3, draw-in groove 21 is seted up on the corresponding frame wall of connecting frame 3 and draw-in groove 22, spring 23 fixed connection is on the tank bottom of draw-in groove 22, fixture block 24 fixed connection is at the one end that draw-in groove 22 tank bottom was kept away from to spring 23, and the fixture block 24 one end of keeping away from spring 23 passes the notch of draw-in groove 22 and extends to card hole 21, when needing to collect the dust, exert a thrust to fixture block 24, after fixture block 24 breaks away from card hole 21 completely, make connecting frame 3 and collecting box 1 separation, and then can take off dust collection box 4, and then be convenient for collect the dust, when installing dust.

Spout 12 has been seted up to the symmetry on the relative cell wall of draw-in groove 22, and sliding connection has slider 13 in spout 12, and the one end in opposite directions of two sliders 13 all passes the notch and the outside extension that corresponds spout 12, and all with fixture block 24 fixed connection, prevents that fixture block 24 from breaking away from the condition of draw-in groove 22 and taking place.

The mouth of pipe of intake pipe 5 articulates there is the guard plate.

Connecting frame 3 fixedly connected with sealed the pad on the inner frame wall of connecting frame 3, and connecting frame 3 seals sliding connection through sealed the pad with collecting box 1.

The section of the clamping block 24 is in a right trapezoid shape, and a handle is fixedly connected to the outer box wall at the top of the collecting box 1.

In the utility model, when dust is required to be absorbed, the suction fan 6 is started, then the suction fan 6 sucks external dust into the collecting box 1 together with air, then the air is filtered by the filter screen 8, and then clean air is discharged, the dust is sucked into the collecting box 1, due to the action of the air outlet pipe 7, the flowing air flow rate is faster relative to the flow rate in the collecting box 1, so that the fan blade 11 rotates, the rotating rod 9 rotates, the cleaning brush 10 rotates, and then the cleaning brush 10 cleans the filter screen 8, and the dust accumulation on the filter screen 8 is prevented; when dust needs to be collected, a pushing force is applied to the clamping block 24, after the clamping block 24 is completely separated from the clamping hole 21, the connecting frame 3 is separated from the collecting box 1, the dust collecting box 4 can be taken down, dust is convenient to collect, and when the dust collecting box 4 is installed, the clamping block 24 is clamped into the clamping hole 21.

Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A dust suppression and falling device for underground coal mine comprises a collecting box (1) with an opening at the lower end, and is characterized in that the bottom of the collecting box (1) is connected with a connecting frame (3) through two connecting mechanisms which are symmetrically arranged, the bottom of the connecting frame (3) is fixedly connected with a dust collecting box (4), an air inlet pipe (5) is fixedly communicated on a vertical outer wall at one side of the dust collecting box (4), a suction fan (6) is fixedly installed in the air inlet pipe (5), an air outlet pipe (7) is fixedly communicated on a vertical outer wall of the dust collecting box (4) far away from the air inlet pipe (5), a filter screen (8) is fixedly connected on an inner pipe wall of the air outlet pipe (7) close to the collecting box (1), a rotating rod (9) is rotatably connected on the side wall of the middle part of the filter screen (8) through a bearing, the bearing is fixedly arranged in the filter screen (8), and two ends of the rotating rod, and the cleaning brush (10) is fixedly connected to the rod wall of the rotating rod (9) in the collecting box (1), the cleaning brush (10) is abutted to the filter screen (8), and the plurality of blades (11) are fixedly connected to the rod wall of the rotating rod (9) in the air outlet pipe (7) in an annular distribution and uniform and equal distance.

2. The coal mine underground dust suppression and falling device according to claim 1, wherein the connecting mechanism comprises a clamping hole (21), clamping grooves (22), a spring (23) and clamping blocks (24), the two clamping grooves (22) are symmetrically formed in opposite outer box walls of the collecting box (1) and the connecting frame (3), the clamping hole (21) is formed in a frame wall of the connecting frame (3) corresponding to the clamping groove (22), the spring (23) is fixedly connected to the bottom of the clamping groove (22), the clamping blocks (24) are fixedly connected to one end, away from the bottom of the clamping groove (22), of the spring (23), and one end, away from the spring (23), of the clamping blocks (24) penetrates through a notch of the clamping groove (22) and extends into the clamping hole (21).

3. The coal mine underground dust suppression and falling device according to claim 2, wherein the opposite groove walls of the clamping groove (22) are symmetrically provided with sliding grooves (12), the sliding grooves (12) are connected with sliding blocks (13) in a sliding manner, and the opposite ends of the two sliding blocks (13) penetrate through the groove openings of the corresponding sliding grooves (12), extend outwards and are fixedly connected with the clamping blocks (24).

4. The underground coal mine dust suppression and reduction device according to claim 1, wherein a protection plate is hinged to a pipe orifice of the air inlet pipe (5).

5. The underground coal mine dust suppression and reduction device according to claim 2, wherein the inner frame wall of the connecting frame (3) is fixedly connected with a sealing gasket, and the connecting frame (3) is in sealing sliding connection with the collection box (1) through the sealing gasket.

6. The coal mine underground dust suppression and reduction device according to claim 2, wherein the cross section of the clamping block (24) is in a right trapezoid shape, and a handle is fixedly connected to the outer box wall at the top of the collection box (1).