CN213574094U - Can reduce entry driving machine dust collecting device of coal dust concentration - Google Patents

Abstract

The utility model discloses a dust collecting device of a heading machine capable of reducing the concentration of coal dust, which comprises a machine body, a cantilever section, a telescopic section, a cutting head and a shovel plate, wherein the cantilever section is fixedly connected with a concave absorption water tank, the upper end of the front side wall of the concave absorption water tank is welded with an air inlet, the upper end of the rear side wall of the concave absorption water tank is welded with a gas outlet a, the upper part of the concave absorption water tank is connected with a box cover by a hinged structure, the center of the box cover is welded with a water inlet pipe, the bottom end of the rear side wall of the concave absorption water tank is symmetrically welded with a water outlet pipe, the bottom end of the water inlet pipe penetrates through the box cover and is welded with a spray tray, the middle positions of the inner walls at the left side and the right side of the concave absorption water tank and the corresponding protruded bottom wall, and can be used as a protective cover plate to protect the cantilever section, and has higher practicability.

Description

Can reduce entry driving machine dust collecting device of coal dust concentration

Technical Field

The utility model relates to a entry driving machine equipment field specifically is a can reduce entry driving machine dust collecting device of coal dust concentration.

Background

The development machine is a machine for cutting a tunnel on a flat ground, is divided into a common machine and a tunnel development machine according to operation objects, is divided into an open development machine and a shield development machine according to operation modes, and mainly comprises a travelling mechanism, a working mechanism, a loading mechanism and a transfer mechanism. The most main mode in the high-efficiency tunneling modes of the coal roadway in China is a matching operation line of a cantilever type tunneling machine and a single anchor rod drilling machine, which is also called as coal roadway comprehensive mechanical tunneling, and the cantilever type tunneling machine is widely applied to key coal mines in China.

When the entry driving machine was opened a hole in the tunnel, because the continuous broken colliery of cutting head, so can produce a large amount of coal dusts, not only influence staff's sight, the too high safety that also can influence the operation of drivaging of coal dust concentration, so entry driving machine equipment among the prior art can install dust collecting device additional at the cantilever section, but still has following not enoughly: firstly, a cantilever of the development machine is also provided with a telescopic section, and a cutting head is also connected with the telescopic section, so that a dust collecting device additionally arranged in the prior art cannot effectively collect coal dust generated at the operating point of the cutting head in the first time; secondly, the dust collector who installs additional among the prior art is mostly through the direct mixture separation of air and coal dust of filter bag, and the separation principle is comparatively simple. Therefore, in summary, the dust collecting effect of the dust collecting device additionally arranged in the prior art still needs to be improved, and therefore, a dust collecting device of the heading machine capable of reducing the concentration of coal dust is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a can reduce entry driving machine dust collecting device of coal dust concentration to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a dust collecting device of a heading machine capable of reducing coal dust concentration comprises a machine body, a cantilever section, a telescopic section, a cutting head and a shovel plate, wherein the cantilever section is fixedly connected with a concave absorption water tank, an air inlet is welded at the upper end of the front side wall of the concave absorption water tank, an air outlet a is welded at the upper end of the rear side wall of the concave absorption water tank, the upper part of the concave absorption water tank is connected with a box cover through a hinged structure, a water inlet pipe is welded at the center of the box cover, water outlet pipes are symmetrically welded at the bottom end of the rear side wall of the concave absorption water tank, the bottom end of the water inlet pipe penetrates through the box cover and is welded with a spray disc, horizontal partition plates are welded at the middle positions of the inner walls of the left side and the right side of the concave absorption water tank and corresponding protruded bottom wall, a, the welding of filtration frame lateral wall top has the annular embedding piece, and the annular embedding piece can imbed in the cylindricality embedded groove, filters the inside fixedly connected with of frame and crosses the filter bag, be equipped with dust hopper an on the flexible section, the butt-symmetric welding has gas outlet b about the dust hopper a rear wall, and dust hopper a rear wall center is equipped with the connecting hole, flexible section through connection hole, and gas outlet b is connected in the import of draught fan by gas hose an, draught fan fixed connection is at cantilever section upper surface front end, draught fan export and air inlet fixed connection.

As a further aspect of the present invention: the rear end of the upper surface of the cantilever section is also fixedly connected with a water pump, the water pump is positioned behind the air outlet a, the water outlet pipe can be connected with the inlet of the water pump through a water delivery hose a, and the outlet of the water pump can be connected with the water inlet pipe through a water delivery hose b.

As a further aspect of the present invention: the welding of organism antetheca has the backup pad, and the backup pad is located shovel board top.

As a further aspect of the present invention: the front end of the supporting plate is welded with a dust hopper b, the upper end of the dust hopper b is fixedly connected with one end of a gas transmission hose b, and the other end of the gas transmission hose b is communicated with a gas transmission hose a.

As a further aspect of the present invention: the bottom end of the outer wall of the right side wall of the concave absorption water tank is welded with a limiting device, and the pipe body of the air hose b can be limited by the limiting device.

As a further aspect of the present invention: the central positions of the outer walls of the left side wall and the right side wall of the concave absorption water tank are fixedly connected with lamps.

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

1. the dust collecting bucket a arranged in the dust collecting device can move along with the extension section, so that the coal dust generated at the operation point of the cutting head can be collected at any time, then the coal dust collected by the dust collecting bucket a is introduced into the concave absorption water tank through the draught fan, a worker can respectively connect a conventional water pipe at the water inlet pipe and the water outlet pipe of the concave absorption water tank, the water pipe connected with the water inlet pipe adds water into the concave absorption water tank, then the added water is uniformly sprayed out through the spray plate so as to absorb the coal dust entering the concave absorption water tank, the absorbed water is filtered by the filter bag to filter the coal dust in the water, the filtered water is discharged through the water pipe connected with the water outlet pipe, and compared with the dust collecting device additionally arranged on the development machine in the prior art, the dust collecting effect can be greatly improved, so that the coal dust concentration is greatly reduced and the water used by the dust collecting device can not pollute the environment, the environment-friendly effect is achieved to a certain extent;

2. the water pump arranged in the utility model can be respectively connected with the water inlet pipe and the water outlet pipe of the concave absorption water tank through the water delivery hose a and the water delivery hose b, so that when the working time of the development machine is short, workers can inject absorption water into the concave absorption water tank in advance, and then the absorption water is recycled through the water pump, thereby achieving the energy-saving effect;

3. the dust collecting hopper b is arranged above the shovel plate, so that the coal dust generated when the three-star gear on the shovel plate collects the coal slag cut by the cutting head can be collected, the dust collecting effect of the dust collecting device is improved again, and the concentration of the coal dust is reduced;

4. the utility model discloses the spill absorption water tank that is equipped with designs according to the shape of entry driving machine cantilever section among the prior art, and reasonable in design can cover cantilever section upper surface, consequently can protect the cantilever section, prevents that reduction gear and motor that entering cantilever section such as coal dust is equipped with, and installs lamps and lanterns, so can play the effect of the apron that the cantilever section installed additional among the prior art, so the utility model discloses not only can reach dust collecting effect, still can regard as the protective cover board to use, protect the cantilever section, have higher practicality.

Drawings

Fig. 1 is a schematic structural view of a dust collecting device of a heading machine capable of reducing the concentration of coal dust.

Fig. 2 is a sectional view showing a dust hopper a of the dust collecting device of the boring machine capable of reducing the concentration of the soot.

Fig. 3 is a structural sectional view of a concave absorption water tank in a dust collecting device of a heading machine capable of reducing the concentration of coal dust.

Fig. 4 is an enlarged view of fig. 3 at a.

In the figure: 1. a body; 1-1, a support plate; 2. a cantilever section; 3. a telescopic section; 4. a cutting head; 5. a shovel plate; 6. a concave absorption water tank; 6-1, an air inlet; 6-2 and an air outlet a; 6-3, a water inlet pipe; 6-4, a water outlet pipe; 6-5, a box cover; 6-6, horizontal partition board; 6-6-1, vertical holes; 6-6-2 of cylindrical embedded groove; 6-7, a limiting device; 6-8, lamps and lanterns; 7. a dust collecting hopper a; 7-1 and an air outlet b; 7-2, connecting holes; 8. a gas transmission hose a; 9. an induced draft fan; 10. a water pump; 11. a water delivery hose a; 12. a filter frame; 12-1, a ring-shaped embedded block; 13. a filter bag; 14. spraying a disc; 15. a dust collecting hopper b; 16. a gas transmission hose b; 17. and a water delivery hose b.

Detailed Description

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

Referring to fig. 1-4, a dust collecting device of a heading machine capable of reducing the concentration of coal dust comprises a machine body 1, a cantilever section 2, a telescopic section 3, a cutting head 4 and a shovel plate 5, wherein the cantilever section 2 is fixedly connected with a concave absorption water tank 6, lamps 6-8 are fixedly connected to the center positions of the outer walls of the left side wall and the right side wall of the concave absorption water tank 6, the concave absorption water tank 6 is designed according to the shape of the cantilever section 2 of the heading machine in the prior art, the design is reasonable, the upper surface of the cantilever section 2 can be covered, so that the cantilever section 2 can be protected, coal dust and the like can be prevented from entering a reducer and a motor arranged on the cantilever section 2, and the lamps 6-8 are arranged, so that the dust collecting device can play a role of a cover plate additionally arranged on the cantilever section 2 in the prior art, so the dust collecting effect can be achieved, the dust collecting, the practicability is higher;

the upper end of the front side wall of the concave absorption water tank 6 is welded with an air inlet 6-1, the upper end of the rear side wall of the concave absorption water tank 6 is welded with an air outlet a6-2, the upper part of the concave absorption water tank 6 is connected with a tank cover 6-5 by a hinged structure, so that the concave absorption water tank 6 can be opened, thereby being convenient for workers to replace a filter bag 13 arranged in the concave absorption water tank 6, leading the utility model to have reasonable structure and higher stability and usability, the center of the tank cover 6-5 is welded with an inlet pipe 6-3, the bottom end of the rear side wall of the concave absorption water tank 6 is symmetrically welded with an outlet pipe 6-4, the bottom end of the inlet pipe 6-3 penetrates through the tank cover 6-5 and is welded with a spray tray 14, thereby leading the absorption water injected by the inlet pipe, thereby the utility model can effectively absorb the coal dust;

the middle positions of the inner walls of the left side and the right side of the concave absorption water tank 6 and the corresponding bottom wall of the protrusion are welded with horizontal clapboards 6-6, the center of the upper surface of each horizontal clapboard 6-6 is provided with a cylindrical embedded groove 6-6-2, the center of the bottom groove wall of the cylindrical embedded groove 6-6-2 is provided with a vertical hole 6-6-1, the vertical hole 6-6-1 is communicated with the bottom groove wall of the cylindrical embedded groove 6-6-2 and the lower surface of the horizontal clapboard 6-6, a filtering frame 12 penetrates through the inside of the vertical hole 6-6-1, the top end of the side wall of the filtering frame 12 is welded with an annular embedded block 12-1, the annular embedded block 12-1 can be embedded into the cylindrical embedded groove 6-6-2, the inside of the filtering frame 12 is fixedly connected with a filtering bag 13, and, thereby, the filter bag 13 is convenient for the workers to replace again, and the reasonability and the usability of the utility model are improved again;

the dust hopper a7 is arranged on the telescopic section 3, the upper end and the lower end of the rear side wall of the dust hopper a7 are symmetrically welded with the air outlet b7-1, the center of the rear side wall of the dust hopper a7 is provided with a connecting hole 7-2, the telescopic section 3 penetrates through the connecting hole 7-2, the air outlet b7-1 is connected with the inlet of the induced draft fan 9 through an air hose a8, the air hose a8 can flexibly connect the dust hopper a7 with the induced draft fan 9 without space limitation and expansion distance limitation of the telescopic section 3, the induced draft fan 9 is fixedly connected with the front end of the upper surface of the cantilever section 2, the outlet of the induced draft fan 9 is fixedly connected with the, the structure can lead the dust hopper a7 to move with the expansion section 3, thereby collecting the coal dust generated at the operation point of the cutting head 4, then the coal dust collected by the dust hopper a7 is introduced into the concave absorption water tank 6 by the induced draft fan 9;

the rear end of the upper surface of the cantilever section 2 is also fixedly connected with a water pump 10, the water pump 10 is positioned behind the air outlet a6-2, the water outlet pipe 6-4 can be connected with the inlet of the water pump 10 through a water delivery hose a11, the outlet of the water pump 10 can be connected with the water inlet pipe 6-3 through a water delivery hose b17, when the heading machine is short in working time and does not need to absorb a large amount of water, a worker can inject absorption water into the concave absorption water tank 6 in advance, and then the absorption water is recycled through the water pump 10, so that the energy-saving effect can be achieved;

the welding of 1 antetheca of organism has backup pad 1-1, and backup pad 1-1 is located shovel board 5 top, the welding of backup pad 1-1 front end has dust hopper b15, dust hopper b15 upper end fixedly connected with gas transmission hose b 16's one end, and the gas transmission hose b16 other end is linked together with gas transmission hose a8 for the coal dust that the samsung gear on shovel board 5 produced when collecting the cinder by cutting head 4 minced also can be collected, thereby makes the utility model discloses improve dust collection effect once more, reduce coal dust concentration, the welding of 6 right side wall outer wall bottom of spill absorption water tank has stop device 6-7, and gas transmission hose b16 pipe shaft can be spacing by stop device 6-7, can prevent that gas transmission hose b16 from under the effect of gravity, can improve to a certain extent the utility model discloses the aesthetic property after the installation.

The utility model discloses a theory of operation is: the dust collecting hopper a7 arranged in the utility model can move along with the extension section 3, thereby collecting the coal dust generated at the operation point of the cutting head 4 all the time, then leading the coal dust collected by the dust collecting hopper a7 into the concave absorption water tank 6 through the draught fan 9, the staff can respectively connect a common water pipe at the water inlet pipe 6-3 and the water outlet pipe 6-4 of the concave absorption water tank 6, the water pipe connected with the water inlet pipe 6-3 adds water into the concave absorption water tank 6, then the added water is evenly sprayed out through the spray tray 14 to absorb the coal dust entering the concave absorption water tank 6, the absorbed water is filtered by the filter bag 13 to remove the coal dust in the water, the filtered water can be discharged through the water pipe connected with the water outlet pipe 6-4, the dust collecting hopper b15 arranged above the cutting head 5 of the utility model can lead the three-star gear on the cutting head 5 to be collected when collecting the coal dust cut by the 4, thereby make the utility model discloses improve the dust collection effect once more, reduce coal dust concentration, when entry driving machine operating time is shorter, need not a large amount of absorption water, the staff can absorb water to 6 inside injections of spill absorption water tank in advance, then recycles absorption water through water pump 10, to sum up, for the dust collecting device that the entry driving machine installed additional among the prior art, the utility model discloses can improve dust collection effect, just the utility model discloses water after the use can not the polluted environment, the utility model discloses still can reach energy-conserving effect, and still can regard as the protective cover board to use, protect cantilever section 2, have higher practicality.

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 (6)

1. A dust collecting device of a heading machine capable of reducing coal dust concentration comprises a machine body (1), a cantilever section (2), a telescopic section (3), a cutting head (4) and a shovel plate (5), and is characterized in that the cantilever section (2) is fixedly connected with a concave absorption water tank (6), an air inlet (6-1) is welded at the upper end of the front side wall of the concave absorption water tank (6), an air outlet a (6-2) is welded at the upper end of the rear side wall of the concave absorption water tank (6), the upper part of the concave absorption water tank (6) is connected with a tank cover (6-5) through a hinge structure, a water inlet pipe (6-3) is welded at the center of the tank cover (6-5), water outlet pipes (6-4) are welded at the bottom end of the rear side wall of the concave absorption water tank (6) in a bilateral symmetry manner, horizontal partition plates (6-6) are welded between the middle positions of the inner walls of the left side and the right side of the concave absorption water tank (6) and the corresponding bottom walls of the protrusions, a cylindrical embedded groove (6-6-2) is formed in the center of the upper surface of each horizontal partition plate (6-6), a vertical hole (6-6-1) is formed in the center of the bottom groove wall of each cylindrical embedded groove (6-6-2), the vertical hole (6-6-1) is communicated with the bottom groove wall of each cylindrical embedded groove (6-6-2) and the lower surface of each horizontal partition plate (6-6), a filtering frame (12) penetrates through the vertical hole (6-6-1), an annular embedded block (12-1) is welded at the top end of the side wall of the filtering frame (12), and the annular embedded block (12-1) can be embedded into the cylindrical embedded grooves (6-6, filter frame (12) inside fixedly connected with and cross filter bag (13), be equipped with dust hopper a (7) on flexible section (3), the last lower extreme symmetrical welding of dust hopper a (7) rear side wall has gas outlet b (7-1), dust hopper a (7) rear side wall center is equipped with connecting hole (7-2), flexible section (3) through connection hole (7-2), gas outlet b (7-1) is connected in the import of draught fan (9) by gas hose a (8), draught fan (9) fixed connection is in cantilever section (2) upper surface front end, draught fan (9) export and air inlet (6-1) fixed connection.

2. The dust collecting device of the development machine capable of reducing the concentration of the coal dust according to claim 1, wherein the rear end of the upper surface of the cantilever section (2) is further fixedly connected with a water pump (10), the water pump (10) is positioned behind the air outlet a (6-2), the water outlet pipe (6-4) can be connected with the inlet of the water pump (10) through a water hose a (11), and the outlet of the water pump (10) can be connected with the water inlet pipe (6-3) through a water hose b (17).

3. A dust collecting device of a heading machine capable of reducing the concentration of coal dust according to claim 1, wherein the front wall of the machine body (1) is welded with a support plate (1-1), and the support plate (1-1) is positioned above the shovel plate (5).

4. The dust collecting device of the development machine capable of reducing the concentration of the coal dust according to claim 3, wherein a dust collecting hopper b (15) is welded at the front end of the supporting plate (1-1), one end of a gas transmission hose b (16) is fixedly connected to the upper end of the dust collecting hopper b (15), and the other end of the gas transmission hose b (16) is communicated with the gas transmission hose a (8).

5. The dust collecting device of the development machine capable of reducing the concentration of the coal dust according to the claim 1, characterized in that the bottom end of the outer wall of the right side wall of the concave absorption water tank (6) is welded with a limiting device (6-7), and the pipe body of the air hose b (16) can be limited by the limiting device (6-7).

6. The dust collecting device of the development machine capable of reducing the concentration of the coal dust according to the claim 1, characterized in that the central positions of the outer walls of the left and right side walls of the concave absorption water tank (6) are fixedly connected with lamps (6-8).

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