CN213574201U

CN213574201U - Spraying device for coal mine excavation working face

Info

Publication number: CN213574201U
Application number: CN202022907860.7U
Authority: CN
Inventors: 白莹; 岳景龙; 姜啸威; 娄渊沛; 王当当; 汪宾; 侯军民; 靳新功; 李宗泽; 范航
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-07
Filing date: 2020-12-07
Publication date: 2021-06-29
Anticipated expiration: 2030-12-07

Abstract

The utility model discloses a spraying device for coal mine excavation working face, which comprises a mounting plate, wherein a push cylinder is arranged above the mounting plate, a vent hole is arranged on the push cylinder, a ball screw is arranged in the push cylinder, a motor is arranged at one end of the ball screw, and the motor is positioned outside the push cylinder; the outer side of the ball screw is provided with a sealing plug, the sealing plug is also positioned in the injection cylinder, the edge position of the sealing plug is provided with a guide groove, the inner side of the guide groove is provided with a guide rail, and the guide rail is arranged on the inner wall of the injection cylinder. This an atomizer for coal mine working face of digging, the stopper carries out reciprocating motion in the injection section of thick bamboo to be favorable to promoting the extrusion blowout with the moisture that the storage water tank poured into in the injection section of thick bamboo, thereby realize the purpose of mist cooling dust fall, need not lay moisture pipeline alone, avoid this atomizer's position of use to receive relevant pipeline limitation, promoted the flexibility of spraying work.

Description

Spraying device for coal mine excavation working face

Technical Field

The utility model relates to a coal mining technical field specifically is a atomizer that is used for colliery to dig working face.

Background

The coal mine excavation working face, namely the coal mining working face, refers to a first production site of coal, has the characteristics of narrow operation space, more mechanical equipment, poor visual environment and high temperature, frequent safety accidents happen, the safety management work of the whole coal mine is seriously influenced, the coal mine excavation working face is a key area in the coal mine safety management work, and in order to prevent major accidents caused by overhigh temperature of the coal mining working face, a spraying device is generally required to be used for cooling and dedusting the coal mine excavation working face.

Current atomizer usually needs external moisture pipeline to use, and the pipeline is laid comparatively loaded down with trivial details, and moisture pipeline receives the oppression easily simultaneously and leads to moisture to carry the interrupt to traditional atomizer shower nozzle is fixed, and moisture is the parabola motion orbit and falls, can't evenly spray. Aiming at the problems, the novel spraying device is innovatively designed on the basis of the original spraying device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an atomizer that is used for colliery to dig working face to solve the current atomizer that proposes in the above-mentioned background art, generally need external moisture pipeline to use, the pipeline is laid comparatively loaded down with trivial details, and moisture pipeline receives the oppression easily simultaneously and leads to the moisture to carry the interrupt, and traditional atomizer shower nozzle is fixed, and moisture is the parabola movement orbit and falls, can't carry out the problem of evenly spraying.

In order to achieve the above object, the utility model provides a following technical scheme: the spraying device for the coal mine excavation working surface comprises a mounting plate, wherein a push cylinder is mounted above the mounting plate, a vent hole is formed in the push cylinder, a ball screw is arranged in the push cylinder, a motor is mounted at one end of the ball screw, and the motor is positioned on the outer side of the push cylinder; a sealing plug is arranged on the outer side of the ball screw and is also positioned in the injection cylinder, a guide groove is formed in the edge position of the sealing plug, a guide rail is arranged on the inner side of the guide groove, and the guide rail is arranged on the inner wall of the injection cylinder;

a water delivery pipe is arranged on the outer side of the injection barrel, a sealing bearing is arranged between the water delivery pipe and the injection barrel, and one end of the water delivery pipe is connected with the injection barrel through the sealing bearing; the outer side of the water delivery pipe is provided with a shaft seat which is fixedly arranged on the upper surface of the mounting plate; the water delivery pipe and the shaft seat are both provided with groove rails, the inner sides of the groove rails are provided with balls, and the water delivery pipe is connected with the shaft seat through the balls; the inside of the water conveying pipe is provided with a guide turbine blade; the other end of the water delivery pipe is provided with a spraying plate, and the surface of the spraying plate is provided with an atomizing nozzle;

a water storage tank is arranged above the injection cylinder, and a straight pipe is arranged at the connecting position between the water storage tank and the injection cylinder; the inboard of straight tube is provided with check valve plate, and check valve plate's one end is provided with the installation axle to installation axle installation is installed on the storage water tank, be provided with the vortex spring between check valve plate and the installation axle, and check valve plate passes through the vortex spring and installs interconnect between the axle.

Preferably, a rotating structure is formed between the ball screw and the injection cylinder, and one end of the ball screw is connected with one end of the injection cylinder through a bearing.

Preferably, the edge of the sealing plug is attached to the inner wall of the injection barrel, and the sealing plug is connected with the ball screw through a ball nut.

Preferably, the guide grooves are distributed at equal angles at the edge position of the sealing plug, the guide grooves and the guide rails form a sliding structure, and the guide rails are in an L-shaped structure which is transversely arranged.

Preferably, the water pipe and the shaft seat are in through connection, the water pipe and the shaft seat form a rotating structure, and the balls are distributed between the water pipe and the shaft seat at equal angles.

Preferably, the water conveying pipe is fixedly connected with the guide turbine blades, and the water conveying pipe and the spray plate are integrally designed.

Preferably, the spraying plate is of a hollow structure, the atomizing nozzles are distributed on the spraying plate at equal intervals, and the atomizing nozzles are in hot-melt connection with the spraying plate.

Preferably, the check valve plate forms revolution mechanic through vortex spring and installation axle, and the inboard one end of vortex spring and outside one end respectively with installation axle and check valve plate fixed connection.

Compared with the prior art, the beneficial effects of the utility model are that: the spraying device for the coal mine digging working face,

1. the movement characteristic between the ball screw and the ball nut is utilized, the sealing plug is conveniently pushed to reciprocate in the push-injection barrel, so that moisture filled in the push-injection barrel from the water storage tank is pushed, extruded and sprayed, and the aim of spray cooling and dust reduction is fulfilled;

2. when the sealing plug carries out the injection to the moisture in the section of thick bamboo of annotating, moisture can pass the raceway and fill hollow spraying inboard, and the water conservancy diversion turbine blade in this in-process can pass the raceway to under the drive of the flow potential energy and the impact force of moisture, the water conservancy diversion turbine blade can drive the spraying board through the raceway and rotate, has promoted the homogeneity that moisture sprayed through the atomizer on spraying board surface.

Drawings

FIG. 1 is a schematic view of the overall cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the front-cut connection structure of the water pipe and the shaft seat of the present invention;

FIG. 3 is a schematic view of the side-cut connection structure of the water pipe and the shaft seat of the present invention;

fig. 4 is a schematic view of a side-cut mounting structure of the sealing plug of the present invention;

fig. 5 is an enlarged schematic view of a portion a of fig. 1 according to the present invention;

fig. 6 is the connecting structure schematic diagram of the check valve plate and the mounting shaft of the present invention.

In the figure: 1. mounting a plate; 2. a push-injection cylinder; 3. a vent hole; 4. a ball screw; 5. a motor; 6. a sealing plug; 7. a guide groove; 8. a guide rail; 9. a water delivery pipe; 10. sealing the bearing; 11. a shaft seat; 12. a groove rail; 13. a ball bearing; 14. a flow directing turbine blade; 15. a spray plate; 16. an atomizing spray head; 17. a water storage tank; 18. a straight pipe; 19. a one-way valve plate; 20. installing a shaft; 21. a scroll spring.

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

Referring to fig. 1-6, the present invention provides a technical solution: the spraying device for the coal mine excavation working face comprises a mounting plate 1, wherein a push cylinder 2 is mounted above the mounting plate 1, a vent hole 3 is formed in the push cylinder 2, a ball screw 4 is arranged inside the push cylinder 2, a motor 5 is mounted at one end of the ball screw 4, and the motor 5 is located on the outer side of the push cylinder 2; a sealing plug 6 is arranged on the outer side of the ball screw 4, the sealing plug 6 is also positioned in the injection barrel 2, a guide groove 7 is formed in the edge position of the sealing plug 6, a guide rail 8 is arranged on the inner side of the guide groove 7, and the guide rail 8 is arranged on the inner wall of the injection barrel 2;

a water delivery pipe 9 is arranged on the outer side of the injection cylinder 2, a sealing bearing 10 is arranged between the water delivery pipe 9 and the injection cylinder 2, and one end of the water delivery pipe 9 is connected with the injection cylinder 2 through the sealing bearing 10; a shaft seat 11 is arranged on the outer side of the water delivery pipe 9, and the shaft seat 11 is fixedly arranged on the upper surface of the mounting plate 1; the water pipe 9 and the shaft seat 11 are both provided with groove rails 12, the inner sides of the groove rails 12 are provided with balls 13, and the water pipe 9 is connected with the shaft seat 11 through the balls 13; the inside of the water delivery pipe 9 is provided with a guide turbine blade 14; the other end of the water delivery pipe 9 is provided with a spraying plate 15, and the surface of the spraying plate 15 is provided with an atomizing nozzle 16;

a water storage tank 17 is arranged above the injection cylinder 2, and a straight pipe 18 is arranged at the connecting position between the water storage tank 17 and the injection cylinder 2; the inboard of straight tube 18 is provided with check valve plate 19, and the one end of check valve plate 19 is provided with installation axle 20 to installation axle 20 is installed on storage water tank 17, is provided with vortex spring 21 between check valve plate 19 and the installation axle 20, and is connected each other between check valve plate 19 passes through vortex spring 21 and the installation axle 20.

A rotating structure is formed between the ball screw 4 and the injection cylinder 2, and one end of the ball screw 4 is connected with one end of the injection cylinder 2 through a bearing. The motor 5 can drive the ball screw 4 to rotate at the inner side of the injection cylinder 2, thereby facilitating the subsequent driving work of related structures.

The edge of the sealing plug 6 is mutually attached to the inner wall of the injection barrel 2, and the sealing plug 6 is mutually connected with the ball screw 4 through a ball nut. The sealing plug 6 is pushed to move by utilizing the movement characteristic between the ball nut and the ball screw 4, so that the sealing plug 6 can reciprocate in the inner side of the injection barrel 2 conveniently, and water can be injected and sprayed out.

The guiding groove 7 is distributed at the edge position of the sealing plug 6 at equal angles, the guiding groove 7 and the guide rail 8 form a sliding structure, the guide rail 8 is of an L-shaped structure which is transversely placed, the sealing plug 6 can be improved to move smoothly by the aid of cooperation between the guiding groove 7 and the guide rail 8, and the situation that the sealing plug 6 is blocked when moving on the inner side of the injection cylinder 2 is avoided. Meanwhile, the guide rail 8 of the L-shaped structure can limit the movement range of the sealing plug 6, and the sealing plug 6 is prevented from being excessively moved to block the ventilation hole 3.

The water pipe 9 is connected with the shaft seat 11 in a penetrating way, the water pipe 9 and the shaft seat 11 form a rotating structure, and the balls 13 are distributed between the water pipe 9 and the shaft seat 11 at equal angles. Make things convenient for axle bed 11 can also avoid influencing raceway 9 and carry out normal rotation when supporting raceway 9, and the design of ball 13 has then promoted raceway 9 and has carried out rotatory smoothness nature, avoids appearing the card condition of dying.

The water delivery pipe 9 is fixedly connected with the guide turbine blades 14, and the water delivery pipe 9 and the spray plate 15 are integrally designed. When water flows through the guide turbine blades 14, the guide turbine blades 14 can be pushed to rotate, and the rotating guide turbine blades 14 can drive the spray plate 15 to synchronously rotate through the water conveying pipe 9.

The spraying plate 15 is a hollow structure, the atomizing nozzles 16 are distributed on the spraying plate 15 at equal intervals, and the atomizing nozzles 16 are connected with the spraying plate 15 in a hot melting mode. The water is filled into the hollow spraying plate 15 and then uniformly sprayed out through the atomizing nozzle 16, and the purposes of cooling and dust reduction are conveniently achieved.

The check valve plate 19 forms a rotating structure through the scroll spring 21 and the mounting shaft 20, and one end of the inner side of the scroll spring 21 and one end of the outer side of the scroll spring are respectively and fixedly connected with the mounting shaft 20 and the check valve plate 19, so that the check valve plate 19 can be rotated downwards to be opened, and meanwhile, the scroll spring 21 can also push the check valve plate 19 to rotate reversely on the mounting shaft 20 to be reset and closed, and therefore the situation that water leaks when the water is not required to be supplemented is avoided.

The working principle is as follows: according to the figures 1-6, water is first supplied to the water tank 17, the spraying device is then moved to the position of the digging surface, the motor 5 is started, and the motor 5 drives the ball screw 4 to rotate. According to fig. 1 and 4, under the matching action of the ball screw 4 and the ball nut, the ball screw 4 pushes the sealing plug 6 to move, and the sealing plug 6 at the moment slides on the inner side of the plunger 2 through the guide groove 7 and the guide rail 8 under the pushing action of the ball screw 4;

according to fig. 1 and 5, the initial movement track of the sealing plug 6 is sliding movement to the right in the plunger 2, the left side of the sealing plug 6 is in a negative pressure state, and the check valve plate 19 in the straight pipe 18 is rotated downwards by the mounting shaft 20 to be opened under the negative pressure. At the moment, the water in the water storage tank 17 is filled into the injection cylinder 2 through the straight pipe 18 for supplement, and the air on the right side of the sealing plug 6 is discharged through the vent hole 3 under the extrusion action of the sealing plug 6; until the sealing plug 6 moves to the right end of the guide rail 8 and is limited, the ball screw 4 continues to rotate, and the sealing plug 6 starts to slide leftwards on the inner side of the injection cylinder 2 under the matching action of the ball screw 4 and the ball nut; at this time, the left side of the sealing plug 6 is no longer in a negative pressure state, so that the vortex spring 21 pushes the one-way valve plate 19 to rotate reversely on the mounting shaft 20 for sealing; the right side of the sealing plug 6 is in a negative pressure state, and air can be pumped through the vent hole 3 to balance the pressure;

according to the drawings of fig. 1-3, when the sealing plug 6 pushes the water on the left side of the sealing plug, the water can be poured into the hollow spraying plate 15 through the water pipe 9, and then the water is sprayed out through the atomizing nozzles 16 on the surface of the spraying plate 15 to cool and reduce dust, so that the spraying work is completed, when the water passes through the water pipe 9, the water at the moment can pass through the guide turbine blades 14 inside the water pipe 9, at the moment, under the pushing action of the water potential energy and the impact force, the guide turbine blades 14 drive the spraying plate 15 to rotate through the water pipe 9, so that the spraying plate 15 can drive the atomizing nozzles 16 to uniformly spray the water mist, meanwhile, according to the drawings of fig. 2 and 3, the water pipe 9 rotates on the shaft seat 11 through the balls 13, so that the shaft seat 11 can stably support the water pipe 9 and can avoid influencing the rotation work of the water pipe 9, therefore, the spraying device for the coal mine excavation working surface is convenient for people to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A atomizer for coal mine excavation working face, including mounting panel (1), its characterized in that: an injection barrel (2) is mounted above the mounting plate (1), a vent hole (3) is formed in the injection barrel (2), a ball screw (4) is arranged inside the injection barrel (2), a motor (5) is mounted at one end of the ball screw (4), and the motor (5) is located on the outer side of the injection barrel (2); a sealing plug (6) is mounted on the outer side of the ball screw (4), the sealing plug (6) is also located inside the injection cylinder (2), a guide groove (7) is formed in the edge position of the sealing plug (6), a guide rail (8) is arranged on the inner side of the guide groove (7), and the guide rail (8) is mounted on the inner wall of the injection cylinder (2);

a water delivery pipe (9) is arranged on the outer side of the injection barrel (2), a sealing bearing (10) is arranged between the water delivery pipe (9) and the injection barrel (2), and one end of the water delivery pipe (9) is connected with the injection barrel (2) through the sealing bearing (10); a shaft seat (11) is arranged on the outer side of the water delivery pipe (9), and the shaft seat (11) is fixedly arranged on the upper surface of the mounting plate (1); the water delivery pipe (9) and the shaft seat (11) are both provided with groove rails (12), the inner sides of the groove rails (12) are provided with balls (13), and the water delivery pipe (9) is connected with the shaft seat (11) through the balls (13); a guide turbine blade (14) is arranged inside the water conveying pipe (9); the other end of the water delivery pipe (9) is provided with a spraying plate (15), and the surface of the spraying plate (15) is provided with an atomizing nozzle (16);

a water storage tank (17) is arranged above the injection cylinder (2), and a straight pipe (18) is arranged at the connecting position between the water storage tank (17) and the injection cylinder (2); the inner side of the straight pipe (18) is provided with a check valve plate (19), one end of the check valve plate (19) is provided with an installation shaft (20), the installation shaft (20) is installed on the water storage tank (17), a vortex spring (21) is arranged between the check valve plate (19) and the installation shaft (20), and the check valve plate (19) is connected with the installation shaft (20) through the vortex spring (21).

2. A spray apparatus for a coal mine working face according to claim 1, wherein: a rotating structure is formed between the ball screw (4) and the injection cylinder (2), and one end of the ball screw (4) is connected with one end of the injection cylinder (2) through a bearing.

3. A spray apparatus for a coal mine working face according to claim 1, wherein: the edge of the sealing plug (6) is attached to the inner wall of the injection barrel (2), and the sealing plug (6) is connected with the ball screw (4) through a ball nut.

4. A spray apparatus for a coal mine working face according to claim 1, wherein: the guide groove (7) is distributed at the edge position of the sealing plug (6) at equal angles, the guide groove (7) and the guide rail (8) form a sliding structure, and the guide rail (8) is of an L-shaped structure which is transversely arranged.

5. A spray apparatus for a coal mine working face according to claim 1, wherein: the water delivery pipe (9) is in penetrating connection with the shaft seat (11), the water delivery pipe (9) and the shaft seat (11) form a rotating structure, and the balls (13) are distributed between the water delivery pipe (9) and the shaft seat (11) at equal angles.

6. A spray apparatus for a coal mine working face according to claim 1, wherein: the water delivery pipe (9) is fixedly connected with the guide turbine blades (14), and the water delivery pipe (9) and the spray plate (15) are integrally designed.

7. A spray apparatus for a coal mine working face according to claim 1, wherein: the spraying plate (15) is of a hollow structure, the atomizing spray heads (16) are distributed on the spraying plate (15) at equal intervals, and the atomizing spray heads (16) are connected with the spraying plate (15) in a hot melting mode.

8. A spray apparatus for a coal mine working face according to claim 1, wherein: the check valve plate (19) forms a rotating structure with the mounting shaft (20) through the vortex spring (21), and one end of the inner side of the vortex spring (21) and one end of the outer side of the vortex spring are fixedly connected with the mounting shaft (20) and the check valve plate (19) respectively.