CN213063649U

CN213063649U - Underground fog gun dust falling device

Info

Publication number: CN213063649U
Application number: CN202020395478.XU
Authority: CN
Inventors: 孙恒
Original assignee: Hefei Heanzhiwei Technology Co ltd
Current assignee: Hefei Heanzhiwei Technology Co ltd
Priority date: 2020-03-25
Filing date: 2020-03-25
Publication date: 2021-04-27
Anticipated expiration: 2030-03-25

Abstract

The utility model discloses an underground fog gun dust-settling device, which comprises a mounting plate, wherein one side of the mounting plate is rotatably connected with a mounting bracket, and the upper end of the mounting bracket is used for being fixed on a supporting frame at the top of a roadway; a first gear is fixedly connected to the mounting bracket, a starting rotary motor is fixedly mounted on the mounting plate, a second gear is fixedly connected to an output shaft of the rotary motor, and the second gear is meshed with the first gear through a gear; the bottom fixedly connected with gallows of mounting panel, the lower extreme of gallows rotates and is connected with the dryer, the articulated every single move cylinder that is connected with between mounting panel and the dryer. The utility model has better dust fall effect; the fog gun is hoisted at the top of the underground roadway, and normal transportation and construction of the roadway are not affected.

Description

Underground fog gun dust falling device

The technical field is as follows:

the utility model relates to a dust device technical field especially relates to an underground fog gun dust device.

Background art:

at present, the coal mining in China is mainly underground mining, and the coal yield of the underground mining accounts for more than 93%. Due to the fact that underground coal mining space is narrow and small, working places are changeable, and ventilation effect is poor. Therefore, a large amount of dust is generated in the underground coal mining, tunneling, transshipping and transporting processes, and the underground environment is seriously polluted. The dust produced in the mining operation production is extremely harmful, the safety production of a coal mine is seriously threatened due to the existence of the dust, and more importantly, the health of workers is harmed, so that various occupational diseases are caused.

In order to reduce dust in the coal mining process, the dust in the coal mine needs to be restrained, so that the underground dust problem needs to be researched, and an efficient underground fog gun dust falling device needs to be developed for the problem.

The utility model has the following contents:

the utility model aims at solving above-mentioned technical problem at least, provide a fog gun dust device in pit.

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

the underground fog gun dust falling device comprises a mounting plate, wherein one side of the mounting plate is rotatably connected with a mounting bracket, and the upper end of the mounting bracket is used for being fixed on a supporting frame at the top of a roadway; a first gear is fixedly connected to the mounting bracket, a starting rotary motor is fixedly mounted on the mounting plate, a second gear is fixedly connected to an output shaft of the rotary motor, and the second gear is meshed with the first gear through a gear; the utility model discloses a pneumatic fan, including mounting panel, fan, pneumatic fan, air duct, articulated cylinder, pneumatic fan, the bottom fixedly connected with gallows of mounting panel, the lower extreme of gallows rotates and is connected with the dryer, the first articulated otic placode of bottom fixedly connected with of mounting panel, fixedly connected with second articulated otic placode on the outer wall of dryer, the articulated every single move cylinder that is connected with between first articulated otic placode and the second articulated otic placode, the one end of dryer is equipped with the shower nozzle, pneumatic fan is installed to the other end of dryer, be equipped with the pivoted flabellum on the pneumatic fan, the flabellum is used for blowing air.

Furthermore, one end of a piston rod of the pitching air cylinder is hinged to the first hinged lug plate, and one end of a cylinder body of the pitching air cylinder is hinged to the second hinged lug plate.

Furthermore, a grid is fixedly connected to an air inlet of the air duct, which is close to one end of the pneumatic fan.

Furthermore, the outer wall both sides fixedly connected with axis of rotation of dryer, the lower extreme of gallows is equipped with two landing legs that are located the dryer both sides respectively, the lower extreme of landing leg is equipped with articulated piece, be equipped with the through-hole in the articulated piece, the axis of rotation alternates in the through-hole.

Furthermore, the lower extreme of gallows is equipped with the connecting plate, be equipped with the spout that the section is the T type on the connecting plate, be equipped with the slide rail of T type on the articulated piece, the slide rail alternates in the spout, be equipped with on the connecting plate and hold the chamber, it is equipped with the stirring round pin to hold the intracavity, be equipped with the locking hole on the articulated piece, the lower extreme of stirring round pin passes and holds the chamber and alternate in the locking hole, it is equipped with compression spring in the chamber to hold, compression spring is located and holds between the bottom in chamber and the upper end of stirring round pin.

Further, the side that holds the chamber is equipped with movable breach, the tip that is equipped with poker rod and poker rod on the lateral wall of poker pin passes movable breach and extends to the outside of connecting plate, the card has the rubber buffer in the activity breach.

The underground fog gun dust settling method adopting the device has the following characteristics: 1) a fog gun dust settling device is fixedly installed at the top of a mine, an atomization system and a multilayer annular spraying ring are arranged in the fog gun dust settling device, the fog gun dust settling device atomizes a normal solution into water mist particles with the size of 10-150 microns, the water mist particles are accelerated by a pneumatic high-speed fan and then spread in a large area, and a large amount of tiny mist particles are gathered and float in the air to form white cloud mist; the dust falling is realized by rapidly adsorbing PM2.5 and PM10 dust particles suspended in the air by using the fact that the particle and fine surface tension of smile particles are basically zero, and polymerizing and settling; 2) the air duct of the fog gun is controlled to rotate left and right and move in a pitching manner to spray in a large range in a mine by controlling the atomization system.

When the device is used, the device is fixedly connected to the top of a mine roadway through the mounting bracket, the spray head in the air duct sprays water mist into the roadway, the pneumatic fan is started, the pneumatic fan drives the fan blades to rotate, and the generated air pressure blows out the sprayed water mist to the roadway, so that dust particles in the roadway are adsorbed, polymerized and settled, and dust fall is realized; the rotary motor is started to rotate positively and negatively, the mounting plate is driven to rotate positively and negatively around the mounting support, so that the air duct is driven to swing in a reciprocating mode, the piston rod of the pitching air cylinder stretches out and contracts, the air duct is swung up and down, the spread range of water mist sprayed out of the air duct is expanded, and the dust settling effect is improved. Articulated piece passes through spout and slide rail cooperation with the connecting plate of gallows lower extreme to through stirring the round pin locking, will stir the round pin during dismantlement and stir the unblock upwards, dismantle behind the cylinder, can remove the dryer with articulated piece together to side and pull down, convenient dismantlement and installation.

The utility model provides a pair of fog gun dust device in pit has following beneficial effect: the fog gun adopts a full-pneumatic working mode, is suitable for places with high dust and flammable and explosive gas, has the capabilities of fire prevention, explosion prevention and moisture prevention, is particularly suitable for dust fall in underground coal mine operation because the underground working environment is relatively complex and the equipment adopts a full-pneumatic control mode, cannot threaten the underground safe production, and can better guarantee the production safety of the coal mine and the body health of workers; the atomized water droplets adopt water mist particles with the size of 10-150 microns, the water mist particles are accelerated by a pneumatic high-speed fan and then spread in a large area, a large amount of tiny mist particles are gathered and float in the air to form white cloud mist, the surface tension of the particles and tiny particles is basically zero, the dust particles of PM2.5 and PM10 suspended in the air can be rapidly adsorbed, polymerized and settled, the dust fall effect is improved, the mist particles are tiny, and a moist fog body is formed when the mist particles are contacted with dust, so that the effect of rapidly inhibiting the dust can be achieved; the air duct swings up and down and laterally, so that the diffusion range of water mist sprayed out of the air duct is expanded, the dust fall effect is improved, the water consumption can be saved by 70-80% compared with other dust suppression spraying equipment (spraying), and the coverage area of the water mist is far larger than that of the other dust suppression spraying equipment; the sprayed water mist can quickly absorb heat in the air, quickly and effectively reduce the ambient temperature and increase the air humidity; the unique air duct structure ensures that the fog gun has long range, wide coverage range, more sufficient contact with dust and better dust settling effect; the fog gun is hoisted at the top of the underground roadway, and normal transportation and construction of the roadway are not affected.

Description of the drawings:

the following detailed description of embodiments of the present invention is provided with reference to the accompanying drawings:

fig. 1 is a schematic structural diagram of a three-dimensional state of an underground fog gun dust-settling device provided by the utility model;

fig. 2 is a schematic structural view of a two-dimensional state of the underground fog gun dust falling device provided by the utility model;

fig. 3 is a schematic front view structure diagram of the dust settling device for the underground fog gun provided by the utility model;

fig. 4 is a schematic view of a front-view cross-sectional structure of the dust settling device of the underground fog gun provided by the utility model;

FIG. 5 is a partial structure diagram of the portion A in FIG. 3;

FIG. 6 is a cross-sectional view of the fitting of FIG. 5;

FIG. 7 is a schematic structural view of a portion B in FIG. 6;

fig. 8 is the utility model provides a pair of fog gun dust device installs and uses the schematic diagram in pit.

The reference numbers in the figures illustrate: 1-mounting plate, 11-first hinged lug plate, 2-mounting bracket, 21-first gear, 3-rotary motor, 31-second gear, 4-hanger, 41-two legs, 42-hinged block, 421-slide rail, 43-connecting plate, 431-accommodating cavity, 432-toggle pin, 4321-toggle rod, 433-compression spring, 434-movable notch, 435-rubber plug, 5-air duct, 51-second hinged lug plate, 52-grid, 53-rotating shaft, 6-pitch cylinder, 7-pneumatic fan, 71-fan blade.

The specific implementation mode is as follows:

it should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as up-down-left-right-front-back … …) in the embodiments of the present invention are only used to explain the relative position relationship between the components in a specific posture (as shown in the drawings) -motion situation, etc., and if the specific posture is changed, the directional indicator is changed accordingly, and the connection may be a direct connection or an indirect connection.

As shown in fig. 1-7, the underground fog gun dust fall device comprises a mounting plate 1, wherein one side of the mounting plate 1 is rotatably connected with a mounting bracket 2, and the upper end of the mounting bracket 2 is used for being fixed on a roadway top supporting frame; a first gear 21 is fixedly connected to the mounting bracket 2, a starting rotary motor 3 is fixedly mounted on the mounting plate 1, a second gear 31 is fixedly connected to an output shaft of the rotary motor 3, and the second gear 31 is meshed with the first gear 21 through a gear; the bottom fixedly connected with gallows 4 of mounting panel 1, the lower extreme of gallows 4 rotates and is connected with dryer 5, the first articulated otic placode 11 of bottom fixedly connected with of mounting panel 1, fixedly connected with second articulated otic placode 51 on the outer wall of dryer 5, it is connected with every single move cylinder 6 to articulate between first articulated otic placode 11 and the second articulated otic placode 51, the one end of dryer 5 is equipped with the shower nozzle, pneumatic fan 7 is installed to the other end of dryer 5, be equipped with pivoted flabellum 71 on the pneumatic fan 7, flabellum 71 is used for the blast air to shower nozzle one side.

Specifically, one end of a piston rod of the pitching cylinder 6 is hinged to the first hinge lug plate 11, and one end of a cylinder body of the pitching cylinder 6 is hinged to the second hinge lug plate 51.

Specifically, a grid grating 52 is fixedly connected to an air inlet of the air duct 5 near one end of the pneumatic fan.

Specifically, the outer wall both sides fixedly connected with axis of rotation 53 of dryer 5, the lower extreme of gallows 4 is equipped with two landing legs 41 that are located the dryer both sides respectively, the lower extreme of landing leg 41 is equipped with articulated piece 42, be equipped with the through-hole in the articulated piece 42, axis of rotation 53 alternates in the through-hole.

Specifically, the lower end of hanger 4 is equipped with connecting plate 43, be equipped with the spout that the section is the T type on connecting plate 43, be equipped with the slide rail 421 of T type on the articulated piece 42, slide rail 421 alternates in the spout, be equipped with on connecting plate 43 and hold the chamber 431, it is equipped with in the chamber 431 and dials round pin 432 to hold, be equipped with locking hole 422 on the articulated piece 42, the lower extreme of dialling round pin 432 passes and holds chamber 431 and alternate in locking hole 422, it is equipped with compression spring 433 in the chamber 431 to hold, compression spring 433 is located and holds between the bottom of chamber 431 and the upper end of dialling round pin 432.

Specifically, the side that holds chamber 431 is equipped with movable breach 434, be equipped with on the lateral wall of toggle pin 432 and move pole 4321 and move the outside that pole 4321's tip passed movable breach 434 and extended to connecting plate 43, the card has embedded rubber buffer 435 in the activity breach 434.

As shown in fig. 8, the method for dust settling of the underground fog gun comprises the following steps: 1) a fog gun dust settling device is fixedly installed at the top of a mine, an atomization system and a multilayer annular spraying ring are arranged in the fog gun dust settling device, the fog gun dust settling device atomizes a normal solution into water mist particles with the size of 10-150 microns, the water mist particles are accelerated by a pneumatic high-speed fan and then spread in a large area, and a large amount of tiny mist particles are gathered and float in the air to form white cloud mist; 2) The air duct of the fog gun is controlled to rotate left and right and move in a pitching manner to spray in a large range in a mine by controlling the atomization system.

When the device is used, the device is fixedly connected to the top of a mine roadway through the mounting bracket 2, the spray head in the air duct 5 sprays water mist into the roadway, the pneumatic fan 7 is started, the pneumatic fan 7 drives the fan blades 71 to rotate, and the generated air pressure blows out the sprayed water mist to the roadway, so that dust particles in the roadway are adsorbed, polymerized and settled, and dust fall is realized; the rotary motor 3 is started to rotate positively and negatively, the mounting plate 1 is driven to rotate positively and negatively around the mounting bracket 2, so that the air duct 5 is driven to swing in a reciprocating mode, the piston rod of the pitching air cylinder 6 stretches out and contracts, the air duct 5 swings up and down, the diffusion range of water mist sprayed out of the air duct 5 is enlarged, and the dust settling effect is improved.

The foregoing shows and describes the general principles, essential features, and features of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the description of the above embodiments and the description is only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the present invention, and these changes and modifications are all within the scope of the present invention as claimed. The scope of the invention is to be protected by the following claims and their equivalents.

Claims

1. The utility model provides a fog gun dust device in pit which characterized in that: the tunnel top supporting frame comprises a mounting plate (1), wherein one side of the mounting plate (1) is rotatably connected with a mounting bracket (2), and the upper end of the mounting bracket (2) is used for being fixed on a tunnel top supporting frame; a first gear (21) is fixedly connected to the mounting bracket (2), a starting rotary motor (3) is fixedly mounted on the mounting plate (1), a second gear (31) is fixedly connected to an output shaft of the rotary motor (3), and the second gear (31) is meshed with the first gear (21) through a gear; the utility model discloses a pneumatic fan, including mounting panel (1), the bottom fixedly connected with gallows (4) of mounting panel (1), the lower extreme of gallows (4) is rotated and is connected with dryer (5), the first articulated otic placode (11) of bottom fixedly connected with of mounting panel (1), fixedly connected with second articulated otic placode (51) on the outer wall of dryer (5), it is connected with every single move cylinder (6) to articulate between first articulated otic placode (11) and second articulated otic placode (51), the one end of dryer (5) is equipped with the shower nozzle, pneumatic fan (7) are installed to the other end of dryer (5), be equipped with pivoted flabellum (71) on pneumatic fan (7), flabellum (71) are used for the blast air to shower nozzle one side.

2. The underground fog gun dust settling device according to claim 1, characterized in that: the piston rod one end of every single move cylinder (6) is articulated to be connected on first articulated otic placode (11), the cylinder body one end of every single move cylinder (6) is articulated to be connected on second articulated otic placode (51).

3. The underground fog gun dust settling device according to claim 1, characterized in that: and a grid grating (52) is fixedly connected to an air inlet of the air duct (5) close to one end of the pneumatic fan.

4. The underground fog gun dust settling device according to claim 1, characterized in that: the outer wall both sides fixedly connected with axis of rotation (53) of dryer (5), the lower extreme of gallows (4) is equipped with two landing legs (41) that are located the dryer both sides respectively, the lower extreme of landing leg (41) is equipped with articulated piece (42), be equipped with the through-hole in articulated piece (42), axis of rotation (53) alternate in the through-hole.

5. The underground fog gun dust settling device according to claim 4, wherein: the lower extreme of gallows (4) is equipped with connecting plate (43), be equipped with the spout that the section is the T type on connecting plate (43), be equipped with slide rail (421) of T type on articulated piece (42), slide rail (421) alternate in the spout, be equipped with on connecting plate (43) and hold chamber (431), it dials round pin (432) to be equipped with in chamber (431), be equipped with locking hole (422) on articulated piece (42), the lower extreme of dialling round pin (432) passes and holds chamber (431) and alternate in locking hole (422), it is equipped with compression spring (433) in chamber (431) to hold, compression spring (433) are located and hold between the bottom of chamber (431) and the upper end of dialling round pin (432).

6. The underground fog gun dust settling device according to claim 5, wherein: the side that holds chamber (431) is equipped with activity breach (434), be equipped with the tip that poker rod (4321) and poker rod (4321) on the lateral wall of poker pin (432) and pass activity breach (434) and extend to the outside of connecting plate (43), the card has rubber buffer (435) in the activity breach (434).