CN221119957U

CN221119957U - Roller spraying equipment of coal mining machine

Info

Publication number: CN221119957U
Application number: CN202323101880.5U
Authority: CN
Inventors: 池鸿雁; 罗永刚; 王小龙; 高文鹏; 田小刚; 杨勇
Original assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Current assignee: Shaanxi Changwu Tingnan Coal Industry Co Ltd
Priority date: 2023-11-17
Filing date: 2023-11-17
Publication date: 2024-06-11
Anticipated expiration: 2033-11-17

Abstract

The utility model discloses a drum spraying device of a coal mining machine, in particular to the technical field of spraying and dust removal of the coal mining machine, which comprises the following components: the coal cutter roller main body, coal cutter roller main body front end fixedly connected with connects spouts the water column, connect spouting the water column front end and rotate and be connected with the fixed column, fixed column front end integrated into one piece is connected with the spliced pole, spliced pole front end integrated into one piece is connected with the water distribution seat. According to the utility model, the positions of the supporting and fixing plates are rotated, and then the supporting and fixing plates are fixed through the arc-shaped connecting plates and the fastening bolts, so that the spraying directions of the first water spraying heads can be adjusted, and then the spraying directions of the first water spraying heads can be adjusted to the positions with more actual dust, more accurate dust fall is realized, the condition of water resource waste is effectively avoided, the visual field of the positions with less water spraying is better, the operation of the coal mining machine is facilitated, and the overall spraying dust fall effect is better.

Description

Roller spraying equipment of coal mining machine

Technical Field

The utility model relates to the technical field of coal cutter spray dust removal, in particular to a drum spray device of a coal cutter.

Background

The coal mining machine is a large complex system integrating mechanical, electric and hydraulic functions, has a severe working environment, and can cause interruption of the whole coal mining work if a fault occurs, so that huge economic loss is caused. The machine is used for cutting bottom grooves on coal face of a coal mining working face of a typical medium-small mine under a gentle dip thin coal seam and an extremely thin composite coal seam, and achieves the effect of cutting and coal dropping. When the coal mining machine is used, a large amount of dust can be generated, the sight of a worker is easily influenced, and the large amount of floating dust is harmful to the health of the worker, so that a dust falling device is often arranged on a roller of the coal mining machine.

In the patent publication No. CN208803845U, the spray dust device is arranged on the drum of the thin seam coal mining machine and comprises a drum hub, an end cover, blades, nozzles and a water pipe; the drum hub is arranged on the inner wall of the drum, and is provided with a first hole for passing through the water pipe; the end cover is arranged at the top end of the roller, a water inlet is arranged on the end cover, and the water inlet is connected with the nozzle through a water pipe; the blades are arranged on the outer wall of the roller, the blades are spiral along the roller, and the blades are provided with second holes; the nozzle is arranged on the blade and ejects water from the second hole. The drum spray dust device of the low seam coal mining machine is convenient to detach and replace and simple to assemble, the number of the nozzles accommodated in unit volume is increased, the nozzles are sprayed around, the working efficiency is improved, the spray pressure, the caliber of the nozzles, the incidence angle and the diffusion angle of the nozzles are improved, and the spray effect is improved.

But the position of each shower nozzle of this atomizer is fixed, is difficult for carrying out the regulation in position, and adopts full range spraying during its spraying, and the spraying scope is great, easily influences the field of vision, has increased the degree of difficulty of coal mining operation, and full range spraying is less to the spraying effect in the less position of actual dust simultaneously, has appeared the extravagant condition of water resource, and the effect of spraying dust fall still is not good enough.

Therefore, it is necessary to invent a shearer drum spray apparatus to solve the above problems.

Disclosure of utility model

The utility model aims to provide roller spraying equipment of a coal mining machine, which is characterized in that the positions of a plurality of supporting and fixing plates are rotated, then the supporting and fixing plates are fixed through an arc-shaped connecting plate and fastening bolts, the spraying directions of a plurality of first water spraying heads can be adjusted, and then the spraying directions of the plurality of first water spraying heads can be adjusted to the position with more actual dust, so that more accurate dust fall is realized, the situation of water resource waste is effectively avoided, the visual field of the position with less water spraying is better, the operation of the coal mining machine is facilitated, and the overall spraying dust fall effect is better, so that the defects in the technology are overcome.

In order to achieve the above object, the present utility model provides the following technical solutions: a shearer drum spray apparatus comprising:

The coal cutter drum body is fixedly connected with a connecting spraying column at the front end of the coal cutter drum body, a fixed column is rotationally connected to the front end of the connecting spraying column, a connecting column is integrally connected to the front end of the fixed column, a water distribution seat is integrally connected to the front end of the connecting column, a first spraying mechanism is arranged on the connecting spraying column, and a water distribution cavity is formed in the water distribution seat;

The fixing ring is fixedly arranged at the outer end of the connecting column, a plurality of supporting and fixing plates are arranged at the outer end of the fixing ring, and a second spraying mechanism is arranged on the supporting and fixing plates;

The arc-shaped connecting plate is fixedly arranged at the rear side of one end of the supporting and fixing plate, the inner end of the arc-shaped connecting plate is in sliding contact with the outer end of the fixing ring, the outer end of the arc-shaped connecting plate is provided with a fastening bolt, one end of the fastening bolt penetrates through the arc-shaped connecting plate and is in contact with the outer end of the fixing ring, and the fastening bolt is in threaded connection with the arc-shaped connecting plate.

Preferably, the annular chute has been seted up to solid fixed ring outer end, annular chute establishes at arc connecting plate front side, the inside a plurality of arc sliders that are equipped with of annular chute, a plurality of arc slider outer end respectively with a plurality of support fixed plate one end fixed connection, be convenient for connect spacingly, also be convenient for its rotation to the support fixed plate.

Preferably, the first spraying mechanism is including seting up the inside water spray cavity of spraying water column of connection, it is fixed to connect spraying water column outer end and be equipped with a plurality of second sprinkler heads, second sprinkler head one end is passed and is connected spraying water column outer end and be linked together with the inside cavity of spraying water, fixed connection pipe that is equipped with between fixed column and the water distribution seat, the connecting pipe both ends pass water distribution seat rear end and fixed column respectively and are linked together with water distribution chamber and water spray cavity inside respectively, the connecting pipe is established in the spliced pole outside, the connecting pipe is established between two support fixed plates, is convenient for rotate spraying dust fall when coal-winning machine cylinder main part rotates.

Preferably, the second spraying mechanism is including seting up the adjustment tank on supporting the fixed plate, the adjustment tank is inside to be equipped with the regulating block, the water distribution seat rear end is fixedly equipped with a plurality of outlet pipes rather than inside being linked together, flexible pipe is connected to outlet pipe one end fixedly connected with, connect flexible pipe one end fixedly connected with first sprinkler bead, first sprinkler bead one end runs through the regulating block, be equipped with adjusting part on the regulating block, be convenient for spray dust fall to the coal-winning machine cylinder main part outside.

Preferably, the adjusting part is including seting up two spouts at the inside both sides wall of adjustment tank, the spout is inside to be equipped with the slider, two the slider inboard respectively with regulating block both sides fixed connection, the inside rotation of spout is connected with the threaded rod, threaded rod one end passes the slider and extends to the support fixed plate other end, threaded connection between threaded rod and the slider, one of them threaded rod one end is fixed and is equipped with the carousel, is convenient for adjust the position of second spraying mechanism, and then adjusts the injection wide angle of first sprinkler bead.

Preferably, the belt pulley is fixedly arranged on the outer side of one end of the threaded rod, the belt pulley is arranged between the rotary table and the other end of the supporting and fixing plate, the two belt pulleys are connected through a belt, and connection transmission between the two threaded rods is facilitated.

Preferably, the front end of the water distribution seat is fixedly provided with a water adding pipe, and one end of the water adding pipe penetrates through the front end of the water distribution seat and is communicated with the inside of the water distribution cavity, so that water can be conveniently added into the water distribution cavity.

In the technical scheme, the utility model has the technical effects and advantages that:

1. Through rotating the positions of a plurality of support fixing plates, then fixing the support fixing plates through the arc-shaped connecting plates and the fastening bolts, the spraying directions of a plurality of first water sprayers can be adjusted, and then the spraying directions of the plurality of first water sprayers can be adjusted to the position with more actual dust, so that more accurate dust fall is realized, the condition of water resource waste is effectively avoided, the visual field of the position with less water spraying is better, the operation of the coal mining machine is facilitated, and the overall spraying dust fall effect is better;

2. Through adjusting the distance between first sprinkler bead and spliced pole and the coal-winning machine cylinder main part central line, can adjust the wide angle that first sprinkler bead sprayed to coal-winning machine cylinder main part direction, and then adjust the injection range of first sprinkler bead, can be applicable to the different coal-winning frame dust fall circumstances, the practicality is stronger.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings required for the embodiments will be briefly described below, and it is apparent that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to these drawings for a person having ordinary skill in the art.

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic perspective sectional view of the connecting spray column, fixing column and water distribution base of the present utility model;

FIG. 3 is a schematic perspective cross-sectional view of the retaining ring and support retaining plate of the present utility model;

Fig. 4 is a schematic perspective sectional structure of the support fixing plate of the present utility model.

Reference numerals illustrate:

1. A shearer drum body; 2. connecting with a water spraying column; 3. fixing the column; 4. a connecting column; 5. a water distribution seat; 6. a water distribution cavity; 7. a fixing ring; 8. a supporting and fixing plate; 9. an adjustment tank; 10. an adjusting block; 11. a water outlet pipe; 12. connecting the telescopic pipe; 13. a first sprinkler head; 14. an arc-shaped connecting plate; 15. a fastening bolt; 16. an annular chute; 17. an arc-shaped sliding block; 18. a water spray cavity; 19. a second sprinkler head; 20. a connecting pipe; 21. a water supply pipe; 22. a chute; 23. a slide block; 24. a threaded rod; 25. a turntable; 26. a belt pulley; 27. a belt.

Detailed Description

In order to make the technical scheme of the present utility model better understood by those skilled in the art, the present utility model will be further described in detail with reference to the accompanying drawings.

The present utility model provides a shearer drum spray apparatus as shown in figures 1, 2 and 3, comprising:

The coal cutter drum comprises a coal cutter drum body 1, wherein the front end of the coal cutter drum body 1 is fixedly connected with a connecting water spraying column 2, the front end of the connecting water spraying column 2 is rotationally connected with a fixed column 3, the front end of the fixed column 3 is integrally connected with a connecting column 4, the front end of the connecting column 4 is integrally connected with a water distribution seat 5, a first spraying mechanism is arranged on the connecting water spraying column 2, and a water distribution cavity 6 is formed in the water distribution seat 5;

the fixing ring 7 is fixedly arranged at the outer end of the connecting column 4, a plurality of supporting and fixing plates 8 are arranged at the outer end of the fixing ring 7, and a second spraying mechanism is arranged on the supporting and fixing plates 8;

The arc-shaped connecting plate 14 is fixedly arranged at the rear side of one end of the supporting and fixing plate 8, the inner end of the arc-shaped connecting plate 14 is in sliding contact with the outer end of the fixing ring 7, the outer end of the arc-shaped connecting plate 14 is provided with a fastening bolt 15, one end of the fastening bolt 15 penetrates through the arc-shaped connecting plate 14 and is in contact with the outer end of the fixing ring 7, and the fastening bolt 15 is in threaded connection with the arc-shaped connecting plate 14.

The outer end of the fixed ring 7 is provided with an annular chute 16, the annular chute 16 is arranged on the front side of the arc-shaped connecting plate 14, a plurality of arc-shaped sliding blocks 17 are arranged in the annular chute 16, and the outer ends of the arc-shaped sliding blocks 17 are fixedly connected with one ends of the supporting and fixing plates 8 respectively.

The first spraying mechanism comprises a water spraying cavity 18 arranged in the water spraying column 2, a plurality of second water spraying heads 19 are fixedly arranged at the outer end of the water spraying column 2, one end of each second water spraying head 19 penetrates through the outer end of the water spraying column 2 and is communicated with the interior of the water spraying cavity 18, a connecting pipe 20 is fixedly arranged between each fixing column 3 and each water distribution seat 5, two ends of each connecting pipe 20 respectively penetrate through the rear end of each water distribution seat 5 and the fixing column 3 and are respectively communicated with the water distribution cavity 6 and the interior of the water spraying cavity 18, each connecting pipe 20 is arranged outside each connecting column 4, and each connecting pipe 20 is arranged between two supporting and fixing plates 8.

The second spraying mechanism comprises an adjusting groove 9 formed in the supporting and fixing plate 8, an adjusting block 10 is arranged in the adjusting groove 9, a plurality of water outlet pipes 11 communicated with the water distribution seat 5 are fixedly arranged at the rear end of the water distribution seat, one end of each water outlet pipe 11 is fixedly connected with a connecting telescopic pipe 12, one end of each connecting telescopic pipe 12 is fixedly connected with a first water spray head 13, one end of each first water spray head 13 penetrates through the adjusting block 10, and an adjusting assembly is arranged on each adjusting block 10.

The front end of the water distribution seat 5 is fixedly provided with a water adding pipe 21, and one end of the water adding pipe 21 passes through the front end of the water distribution seat 5 and is communicated with the inside of the water distribution cavity 6.

The external water delivery device is connected with the water adding pipe 21, water enters the water distribution cavity 6 from the water adding pipe 21, a part of water enters the water spraying cavity 18 through the connecting pipe 20, then is sprayed outwards through the plurality of adjusting grooves 9, another part of water enters the plurality of connecting telescopic pipes 12 through the plurality of water outlet pipes 11, then is sprayed towards the direction of the coal cutter drum body 1 through the plurality of first water spraying heads 13, the fastening bolts 15 are unscrewed according to the quantity of dust around the coal cutter drum body 1 during operation, then the supporting and fixing plate 8 is rotated, the position of the supporting and fixing plate 8 is adjusted, the first water spraying heads 13 on the supporting and fixing plate 8 are aligned with the position with more dust, then the fastening bolts 15 are screwed to fix the arc-shaped connecting plate 14, so that the supporting and fixing plate 8 can be fixed, and the spraying position of the plurality of first water spraying heads 13 can be adjusted to the direction with more dust.

According to the utility model, the positions of the supporting and fixing plates 8 are rotated, then the supporting and fixing plates 8 are fixed through the arc-shaped connecting plates 14 and the fastening bolts 15, so that the spraying directions of the first spray heads 13 can be adjusted to the positions with more actual dust, more accurate dust fall is realized, the situation of water resource waste is effectively avoided, the visual field of the position with less water spray is better, the operation of a coal mining machine is facilitated, the overall spraying dust fall effect is better, the problem that the position of each spray head of the spraying device is fixed in the actual use process of the roller spraying equipment of the coal mining machine in the prior art, the position adjustment is difficult to be carried out, the spraying range is larger in spraying, the visual field is easy to influence, the difficulty of coal mining operation is increased, meanwhile, the spraying effect of the full range spraying on the position with less actual dust is smaller, the situation of water resource waste is generated, and the spraying dust fall effect is still not good is solved.

The utility model provides drum spraying equipment of a coal mining machine, as shown in fig. 3 and 4, an adjusting assembly comprises two sliding grooves 22 which are formed in two side walls inside an adjusting groove 9, sliding blocks 23 are arranged inside the sliding grooves 22, the inner sides of the two sliding blocks 23 are fixedly connected with two sides of an adjusting block 10 respectively, a threaded rod 24 is rotatably connected inside the sliding grooves 22, one end of the threaded rod 24 penetrates through the sliding blocks 23 and extends to the other end of a supporting and fixing plate 8, the threaded rod 24 is in threaded connection with the sliding blocks 23, a rotary table 25 is fixedly arranged at one end of one threaded rod 24, a belt pulley 26 is fixedly arranged outside one end of the threaded rod 24, the belt pulley 26 is arranged between the rotary table 25 and the other end of the supporting and fixing plate 8, and the two belt pulleys 26 are connected through a belt 27.

Rotating the rotary table 25, the rotary table 25 drives one threaded rod 24 to rotate, the threaded rod 24 drives the other threaded rod 24 to rotate through the belt pulley 26 and the belt 27, the sliding block 23 moves inside the sliding groove 22 along with the rotation of the threaded rod 24 due to the threaded connection between the threaded rod 24 and the sliding block 23, the sliding block 23 drives the adjusting block 10 to move inside the adjusting groove 9, the adjusting block 10 drives the first water spray head 13 to move, the distance between the first water spray head 13 and the central line of the connecting column 4 and the central line of the coal cutter drum body 1 can be adjusted, the wide angle of the first water spray head 13 spraying towards the direction of the coal cutter drum body 1 can be adjusted by adjusting the distance between the first water spray head 13 and the central line of the connecting column 4 and the coal cutter drum body 1, the spraying range of the first water spray head 13 can be adjusted, the dust fall condition of different coal mining frames can be applicable, and the practicability is high.

While certain exemplary embodiments of the present utility model have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that modifications may be made to the described embodiments in various different ways without departing from the spirit and scope of the utility model. Accordingly, the drawings and description are to be regarded as illustrative in nature and not as restrictive of the scope of the utility model, which is defined by the appended claims.

Claims

1. A shearer drum spray apparatus comprising:

The coal cutter roller body (1), coal cutter roller body (1) front end fixedly connected with connects spouts water column (2), connect spouting water column (2) front end rotation to be connected with fixed column (3), fixed column (3) front end an organic whole is connected with spliced pole (4), spliced pole (4) front end an organic whole is connected with water distribution seat (5), be equipped with first spraying mechanism on connecting spouting water column (2), water distribution chamber (6) have been seted up to water distribution seat (5) inside;

The fixing ring (7) is fixedly arranged at the outer end of the connecting column (4), a plurality of supporting and fixing plates (8) are arranged at the outer end of the fixing ring (7), and a second spraying mechanism is arranged on the supporting and fixing plates (8);

The arc-shaped connecting plate (14), arc-shaped connecting plate (14) is fixed to be established in support fixed plate (8) one end rear side, arc-shaped connecting plate (14) inner and solid fixed ring (7) outer end sliding contact, arc-shaped connecting plate (14) outer end is equipped with fastening bolt (15), fastening bolt (15) one end passes arc-shaped connecting plate (14) and contacts with solid fixed ring (7) outer end, threaded connection between fastening bolt (15) and arc-shaped connecting plate (14).

2. A shearer drum spraying apparatus as claimed in claim 1, wherein: the outer end of the fixed ring (7) is provided with an annular chute (16), the annular chute (16) is arranged on the front side of the arc-shaped connecting plate (14), a plurality of arc-shaped sliding blocks (17) are arranged in the annular chute (16), and the outer ends of the arc-shaped sliding blocks (17) are fixedly connected with one ends of the supporting and fixing plates (8) respectively.

3. A shearer drum spraying apparatus as claimed in claim 1, wherein: the first spraying mechanism comprises a water spraying cavity (18) formed in the connecting water spraying column (2), a plurality of second water spraying heads (19) are fixedly arranged at the outer ends of the connecting water spraying columns (2), one ends of the second water spraying heads (19) penetrate through the outer ends of the connecting water spraying columns (2) and are communicated with the inner parts of the water spraying cavities (18), connecting pipes (20) are fixedly arranged between the fixing columns (3) and the water distribution seat (5), two ends of each connecting pipe (20) penetrate through the rear ends of the water distribution seat (5) and the fixing columns (3) respectively and are communicated with the water distribution cavity (6) and the inner parts of the water spraying cavities (18) respectively, each connecting pipe (20) is arranged outside the connecting column (4), and each connecting pipe (20) is arranged between two supporting and fixing plates (8).

4. A shearer drum spraying apparatus as claimed in claim 1, wherein: the second spraying mechanism comprises an adjusting groove (9) formed in a supporting and fixing plate (8), an adjusting block (10) is arranged in the adjusting groove (9), a plurality of water outlet pipes (11) communicated with the inside of the water distribution seat (5) are fixedly arranged at the rear end of the water distribution seat, one end of each water outlet pipe (11) is fixedly connected with a connecting telescopic pipe (12), one end of each connecting telescopic pipe (12) is fixedly connected with a first water spraying head (13), one end of each first water spraying head (13) penetrates through the adjusting block (10), and an adjusting assembly is arranged on each adjusting block (10).

5. A shearer drum spraying apparatus as claimed in claim 4, wherein: the adjusting assembly comprises two sliding grooves (22) formed in two side walls inside an adjusting groove (9), sliding blocks (23) are arranged inside the sliding grooves (22), the inner sides of the sliding blocks (23) are fixedly connected with two sides of an adjusting block (10) respectively, threaded rods (24) are connected to the inner sides of the sliding grooves (22) in a rotating mode, one ends of the threaded rods (24) penetrate through the sliding blocks (23) and extend to the other ends of supporting and fixing plates (8), the threaded rods (24) are connected with the sliding blocks (23) in a threaded mode, and a rotary disc (25) is fixedly arranged at one end of one threaded rod (24).

6. A shearer drum spraying apparatus as claimed in claim 5, wherein: the belt pulley (26) is fixedly arranged on the outer side of one end of the threaded rod (24), the belt pulley (26) is arranged between the rotary table (25) and the other end of the supporting and fixing plate (8), and the two belt pulleys (26) are connected through a belt (27).

7. A shearer drum spraying apparatus as claimed in claim 1, wherein: the front end of the water distribution seat (5) is fixedly provided with a water adding pipe (21), and one end of the water adding pipe (21) penetrates through the front end of the water distribution seat (5) and is communicated with the inside of the water distribution cavity (6).