CN220319551U - Spraying device for coal mine mining - Google Patents

Abstract

The utility model relates to a spraying device for coal mine mining, which comprises a transmission mechanism, a spraying mechanism, a bidirectional motor and a supporting frame, wherein the transmission mechanism is arranged on the supporting frame; the support frame is L-shaped and comprises a first plate body which is horizontally arranged and a second plate body which is perpendicular to the first plate body which is horizontally arranged, and the support frame is arranged above the transmission mechanism; the spraying mechanism is arranged above the transmission mechanism and penetrates through the first plate body, and is rotationally connected with the transmission mechanism; the bidirectional motor is connected to the lower part of the transmission mechanism, the bidirectional motor drives the transmission mechanism to rotate forward or reversely, and the transmission mechanism drives the spraying mechanism to spray in a reciprocating spiral mode around the vertical direction. The spraying mechanism has the beneficial effects that under the condition that a plurality of groups of control components are not needed to be additionally arranged, the flexibility and the dust fall efficiency of the spraying mechanism can be improved, the effects of simple and flexible equipment structure and multiple purposes are achieved, and the spraying mechanism is suitable for different underground operation environments of a coal mine.

Description

Spraying device for coal mine mining

Technical Field

The utility model relates to the technical field of spraying equipment, in particular to a spraying device for coal mine mining.

Background

In the coal mining process, a large amount of dust is generated in the links of ore crushing, transportation, screening and the like, on one hand, the working environment polluted by the dust seriously damages the health of workers, and long-term dust inhalation can cause lung lesions; on the other hand, the safety performance of coal mining machinery is affected by the excessive dust concentration, and a large amount of suspended dust is one of main reasons for coal dust explosion of the coal mine; therefore, it is necessary to use coal mine mining spray equipment to remove dust.

At present, the spraying mode of the spraying device for coal mine mining is single, when the underground environment of the coal mine is complex and multiple spraying modes are needed, multiple groups of control components are needed, correspondingly adopted power supply driving equipment is more, the energy consumption is larger, the equipment structure is complex, and the energy conservation and the environmental protection are not enough.

Therefore, a new spraying device for coal mining needs to be designed to solve the technical problems.

Disclosure of Invention

First, the technical problem to be solved

In view of the defects and shortcomings of the prior art, the utility model provides a spraying device for coal mine mining, which solves the technical problems of single spraying mode, complex equipment structure and high energy consumption of the existing spraying device for coal mine mining.

(II) technical scheme

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

in a first aspect, an embodiment of the utility model provides a spraying device for coal mining, which comprises a transmission mechanism, a spraying mechanism, a bidirectional motor and a supporting frame; the support frame is L-shaped and comprises a first plate body which is horizontally arranged and a second plate body which is perpendicular to the first plate body which is horizontally arranged, and the support frame is arranged above the transmission mechanism; the spraying mechanism is arranged above the transmission mechanism and penetrates through the first plate body, and is rotationally connected with the transmission mechanism; the bidirectional motor is connected to the lower part of the transmission mechanism, the bidirectional motor drives the transmission mechanism to rotate forward or reversely, and the transmission mechanism drives the spraying mechanism to spray in a reciprocating spiral mode around the vertical direction.

Optionally, the spraying device for coal mine mining comprises a loop bar; the loop bar is movably arranged on the first plate body in a penetrating manner along the vertical direction; the transmission mechanism comprises a screw and a first transmission wheel; the upper end of the screw rod is in threaded connection with the lower end of the loop bar; the first driving wheel is fixedly connected to the lower end of the screw rod, and the first driving wheel is connected to the bidirectional motor.

Optionally, the spraying device for coal mine mining, the transmission mechanism further comprises a limiting component; the limiting component is arranged at the top of the first plate body and is detachably connected to the outer side wall of the loop bar; when the limiting component is connected to the side wall of the loop bar, the loop bar moves along the vertical direction; when the limiting component is separated from the side wall of the loop bar, the loop bar moves in a reciprocating spiral mode around the vertical direction.

Optionally, the spraying device for coal mine mining comprises two elastic pieces, a fixing plate and a limiting piece; the fixing plate is fixed on the top of the first plate body; the limiting piece is arranged opposite to the fixed plate, and the limiting piece is movably limited at the top of the first plate body so as to enable the limiting piece to be far away from or close to the fixed plate; the two elastic pieces are respectively connected between the limiting piece and the fixed plate; the two elastic pieces, the limiting piece and the fixing plate are arranged around the outer wall of the loop bar in a circle.

Optionally, in the spraying device for coal mine mining, a chute is arranged on the outer wall of the loop bar along the vertical direction; a limiting block is arranged on one side, facing the loop bar, of the limiting piece; the limiting block is matched with the sliding groove; when the limiting piece is attached to the outer wall of the loop bar, the limiting piece is positioned in the sliding groove; when the limiting piece is separated from the outer wall of the loop bar, the limiting piece is separated from the sliding groove.

Optionally, the spraying device for coal mine mining, the limiting component further comprises a toothed plate; the toothed plate is fixed on the top of the first plate body along the moving direction of the limiting piece; a groove is formed in one side, away from the loop bar, of the limiting piece; the groove is matched with the toothed plate, and the limiting piece moves reciprocally along the toothed plate; the upper part of the toothed plate is sequentially provided with a plurality of tooth grooves; teeth are arranged on one side, facing the toothed plate, of the limiting piece; the teeth are matched with the tooth grooves so as to position the limiting piece.

Optionally, the spraying device for coal mine mining further comprises a stirring part and a water tank; the stirring part is positioned in the water tank, and the lower end of the stirring part extends out of the bottom wall of the water tank; the transmission mechanism penetrates through the second plate body and is movably connected to the lower end of the stirring part below the water tank; the transmission mechanism drives the stirring part to rotate in the water tank.

Optionally, the spraying device for coal mine mining, the transmission mechanism further comprises a second transmission wheel and a transmission belt; the second driving wheel is connected with the lower end of the stirring part; the transmission belt passes through the second plate body and is sleeved on the outer sides of the first transmission wheel and the second transmission wheel at the same time; the bidirectional motor drives the first driving wheel and the second driving wheel to rotate simultaneously.

Optionally, the spraying device for coal mine mining further comprises a spray head and a hose; the spray head is fixed at the upper end of the loop bar; the hose is communicated with the water tank and the spray head.

Optionally, the spraying device for coal mine mining further comprises a base; the transmission mechanism, the two-way motor, the support frame and the water tank are arranged on the base.

(III) beneficial effects

The beneficial effects of the utility model are as follows: according to the spraying device for coal mine mining, the bidirectional motor is adopted to drive the transmission mechanism to rotate forwards or reversely, and the transmission mechanism drives the spraying mechanism to spray in a reciprocating spiral mode around the vertical direction under the auxiliary supporting cooperation of the supporting frame.

Meanwhile, the transmission mechanism is connected with the stirring part in the water tank, and the stirring part can be driven to rotate in the water tank while the spraying mechanism is driven, so that the dust suppressant and water in the water tank are fully mixed, the dust suppression effect is good, and two purposes are achieved.

Drawings

FIG. 1 is a schematic perspective view of an embodiment 1 of a spraying device for coal mining according to the present utility model;

FIG. 2 is a schematic perspective view of the coal mining sprinkler of FIG. 1;

FIG. 3 is a schematic view of the internal perspective structure of the coal mining sprinkler of FIG. 1;

FIG. 4 is an exploded view of the spacing assembly of FIG. 1;

FIG. 5 is a schematic bottom view of the coal mining sprinkler of FIG. 1;

FIG. 6 is a schematic perspective view of the spray mechanism of FIG. 1 in a swing state;

fig. 7 is a schematic perspective view of the spray mechanism of fig. 1 in another swing state.

[ reference numerals description ]

1: a transmission mechanism; 11: a screw; 12: a first driving wheel; 13: a limit component; 131: an elastic member; 132: a fixing plate; 133: a limiting piece; 1331: a limiting block; 1332: a groove; 1333: teeth; 1334: a handle; 1334: a toothed plate; 1341: tooth slots; 14: a second driving wheel; 15: a transmission belt; 2: a spraying mechanism; 21: a loop bar; 211: a chute; 22: a spray head; 23: a hose; 3: a bi-directional motor; 4: a support frame; 41: a first plate body; 42: a second plate body; 5: a stirring section; 6: a water tank; 7: a base; 71: a support block; 8: and (3) a water pump.

Detailed Description

The utility model will be better explained by the following detailed description of the embodiments with reference to the drawings. Wherein references herein to "upper", "lower", "etc. are made with reference to the orientation of fig. 1.

The spraying device for coal mining provided by the embodiment of the utility model aims at the technical problems that the spraying mode of the spraying device for coal mining is single, the equipment structure is complex and the energy consumption is high at present, and because the bidirectional motor is adopted to drive the transmission mechanism to rotate forward or reversely, under the auxiliary support of the supporting frame, the transmission mechanism drives the spraying mechanism to spray in a reciprocating spiral mode around the vertical direction, compared with the prior art, the spraying device can improve the flexibility and the dust fall efficiency of the spraying mechanism under the condition that a plurality of groups of control components are not needed to be additionally arranged, and achieves the effects of simple and flexible multi-purpose equipment structure so as to adapt to different underground operation environments of a coal mine.

In order that the above-described aspects may be better understood, exemplary embodiments of the present utility model will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present utility model are shown in the drawings, it should be understood that the present utility model may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the utility model to those skilled in the art.

Example 1:

referring to fig. 1, 2, 3 and 5, the present embodiment provides a spraying device for coal mine mining, which comprises a transmission mechanism 1, a spraying mechanism 2, a bidirectional motor 3 and a supporting frame 4, wherein the supporting frame 4 is in a 'l' shape, and comprises a first plate body horizontally arranged and a second plate body perpendicular to the first plate body horizontally arranged, so that the spraying device can play a supporting role, and has enough space to accommodate the transmission mechanism 1. The support frame 4 is arranged above the transmission mechanism 1, the spraying mechanism 2 is arranged above the transmission mechanism 1 and penetrates through the first plate body, and the first plate body plays roles of supporting and moving limiting on the spraying mechanism 2; the spraying mechanism 2 is rotationally connected with the transmission mechanism 1, so that the transmission mechanism 1 can have a transmission function on the spraying mechanism 2, and the spraying mechanism 2 can not completely follow the movement track of the transmission mechanism 1 to move, thereby being convenient for flexibly adjusting the spraying mode of the spraying mechanism 2; the bidirectional motor 3 is connected to the lower part of the transmission mechanism 1, the bidirectional motor 3 drives the transmission mechanism 1 to rotate forward or reversely, and the transmission mechanism 1 drives the spraying mechanism 2 to spray in a reciprocating spiral mode around the vertical direction.

Referring to fig. 2 and 3, the present embodiment provides a spraying device for coal mining, in order to facilitate adjustment of a spraying mode of a spraying mechanism 2, the spraying mechanism 2 includes a sleeve rod 21, and the sleeve rod 21 is movably disposed on a first plate along a vertical direction. Corresponding to the loop bar 21, the transmission mechanism 1 comprises a screw 11 and a first transmission wheel 12, the upper end of the screw 11 is in threaded connection with the lower end of the loop bar 21, the first transmission wheel 12 is fixedly connected with the lower end of the screw 11, the first transmission wheel 12 is connected with the bidirectional motor 3, namely, the bidirectional motor 3 drives the screw 11 to rotate forward and backward alternately through the first transmission wheel 12, and referring to fig. 6 and 7, the loop bar 21 is driven by the screw 11 to spirally ascend or descend on the first plate body along the vertical direction in two states of the spraying mechanism 2, so that the spraying flexibility is enhanced, and the complex environment in the coal mine can be better adapted.

Referring to fig. 1 and 2, the present embodiment provides a spraying device for coal mining, in order to further improve the adjustability of the spraying mechanism 2, the transmission mechanism 1 further includes a limiting component 13, the limiting component 13 is disposed at the top of the first plate body and detachably connected to the outer side wall of the loop bar 21, when the limiting component 13 is connected to the side wall of the loop bar 21, the loop bar 21 is limited in the horizontal direction, that is, when the screw 11 applies a rotating force to the loop bar 21, the loop bar 21 can only move in the vertical direction, at this time, the height of the spraying mechanism 2 is convenient to adjust; when the spraying mechanism 2 reaches a preset or required height, the limiting component 13 is separated from the side wall of the sleeve rod 21, namely, the limiting effect of the limiting component 13 on the sleeve rod 21 is removed, and at the moment, the screw 11 applies a rotating acting force to the sleeve rod 21, and the sleeve rod 21 drives the whole spraying mechanism 2 to move in a reciprocating spiral mode around the vertical direction.

Referring to fig. 3 and 4, this embodiment provides a spraying device for coal mining, in order to facilitate the operation of the limiting component 13, the limiting component 13 is provided with two elastic members 131, a fixing plate 132 and a limiting member 133, the fixing plate 132 is fixed on the top of the first plate body, the limiting member 133 is opposite to the fixing plate 132, and the limiting member 133 is movably limited on the top of the first plate body, so that the limiting member 133 is far away from or near the fixing plate 132. The two elastic members 131 are respectively connected between the limiting member 133 and the fixing plate 132, and the two elastic members 131, the limiting member 133 and the fixing plate 132 are disposed around the circumference of the outer wall of the loop bar 21. The side of the limiting plate facing the loop bar 21 is adapted to the outer shape of the loop bar 21, e.g. the outer shape of the loop bar 21 is polygonal, and the side of the limiting plate facing the loop bar 21 is adapted to the polygonal shape. Namely, under the action of the two elastic pieces 131, the limiting piece 133 can be made to approach the fixed plate 132, and then the limiting piece 133 acts on the loop bar 21, so that the limiting piece 133 limits the loop bar 21 in the horizontal direction; in contrast, an external force is applied to the stopper 133, so that the stopper 133 is far away from the fixing plate 132, and the stopper 133 is separated from the rod 21, and the stopper function of the rod 21 in the horizontal direction is lost.

Referring to fig. 4, this embodiment provides a spraying device for coal mine mining, in order to further improve the limiting stability of the limiting member 133, the outer wall of the loop bar 21 is provided with a sliding groove 211 along the vertical direction, one side of the limiting member 133 facing the loop bar 21 is provided with a limiting member 1331, the limiting member 1331 is adapted to the sliding groove 211, when the limiting member 133 is attached to the outer wall of the loop bar 21, the limiting member 1331 is located in the sliding groove 211, and when the limiting member 133 is separated from the outer wall of the loop bar 21, the limiting member 1331 is separated from the sliding groove 211. That is, when the stopper 1331 limits the loop bar 21 in the horizontal direction, the stopper 1331 can slide along the sliding groove 211 during the up-and-down movement of the loop bar 21.

Referring to fig. 4, this embodiment provides a spraying device for coal mine mining, in order to ensure the stability of the limiting member 133 on the first plate body, the limiting assembly 13 further includes a toothed plate 134, the toothed plate 134 is fixed on the top of the first plate body along the moving direction of the limiting member 133, a groove 1332 is provided on one side of the limiting member 133 away from the loop bar 21, the groove 1332 is adapted to the toothed plate 134, that is, the limiting member 133 moves reciprocally along the toothed plate 134, so as to achieve the fitting or keeping away from the loop bar 21, and meanwhile, when the loop bar 21 is limited in the horizontal direction, the movement due to external force can be avoided. In addition, in order to facilitate the fixing of the limiting member 133, a plurality of tooth grooves 1341 are sequentially formed in the upper portion of the toothed plate 134, teeth 1333 are formed on one side, facing the toothed plate 134, of the limiting member 133, and the teeth 1333 are adapted to the tooth grooves 1341 to position the limiting member 133. When the limiting piece 133 is required to be separated from the loop bar 21, the limiting piece 133 is pulled in a direction away from the loop bar 21, the tooth 1333 and the tooth groove 1341 are clamped, and the positioning of the limiting piece 133 is completed, otherwise, the tooth 1333 and the tooth groove 1341 are loosened, and the limiting piece 133 moves towards the loop bar 21 along the toothed plate 134 under the action of the two elastic pieces 131, so that the loop bar 21 is limited in the horizontal direction. In addition, in order to facilitate the operation of the stopper 133, a handle 1334 is mounted on the stopper 133, and teeth 1333 are provided below the handle 1334.

Referring to fig. 2 and 3, this embodiment provides a spraying device for coal mine mining, in order to further improve the spraying effect, be convenient for dust fall agent misce bene has still set up stirring portion 5 and water tank 6, and stirring portion 5 is located water tank 6, and the diapire of water tank 6 is stretched out to the lower extreme of stirring portion 5, and drive mechanism 1 passes the second plate body and connects in the lower extreme of stirring portion 5 in the activity of water tank 6 below, and drive mechanism 1 drives stirring portion 5 and rotates in water tank 6.

Referring to fig. 2 and 3, the present embodiment provides a spraying device for coal mining, in order to simplify the equipment structure, the transmission mechanism 1 further includes a second transmission wheel 14 and a transmission belt 15, the second transmission wheel 14 is connected to the lower end of the stirring portion 5, the transmission belt 15 passes through the second plate body and is sleeved on the outer sides of the first transmission wheel 12 and the second transmission wheel 14, and the bidirectional motor 3 drives the first transmission wheel 12 and the second transmission wheel 14 to rotate at the same time, so as to drive the stirring portion 5 to rotate forward or reverse, and improve the stirring efficiency.

Referring to fig. 1 and 2, the present embodiment provides a spraying device for coal mining, in order to facilitate flexible rotation of a spraying mechanism 2, the spraying mechanism 2 is further provided with a spray head 22 and a hose 23, the spray head 22 is fixed at the upper end of a loop bar 21, the hose 23 is communicated with a water tank 6 and the spray head 22, wherein the hose 23 plays a certain limiting role in the moving process of the spray head 22. Further, a water pump 8 is provided to the hose 23 to supply the dust-settling liquid to the shower head 22.

Referring to fig. 1, 3 and 5, the present embodiment provides a spraying device for coal mining, in order to facilitate installation or placement, a base 7 is further provided, and a transmission mechanism 1, a bidirectional motor 3, a support frame 4 and a water tank 6 are disposed on the base 7. Meanwhile, in order to facilitate the transmission mechanism 1 to connect the stirring part 5 below the water tank 6, two supporting blocks 71 are arranged on the base 7 at positions corresponding to the water tank 6, so that the water tank 6 is overhead to reserve space.

In the description of the present utility model, it should be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium; may be a communication between two elements or an interaction between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature is "on" or "under" a second feature, which may be in direct contact with the first and second features, or in indirect contact with the first and second features via an intervening medium. Moreover, a first feature "above," "over" and "on" a second feature may be a first feature directly above or obliquely above the second feature, or simply indicate that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is level lower than the second feature.

In the description of the present specification, the terms "one embodiment," "some embodiments," "examples," "particular examples," or "some examples," etc., refer to particular features, structures, materials, or characteristics described in connection with the embodiment or example as being included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

While embodiments of the present utility model have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the utility model, and that alterations, modifications, substitutions and variations may be made in the above embodiments by those skilled in the art within the scope of the utility model.

Claims (10)

1. A spraying device for coal mining is characterized in that,

comprises a transmission mechanism (1), a spraying mechanism (2), a bidirectional motor (3) and a supporting frame (4);

the support frame (4) is in a L shape and comprises a first plate body (41) which is horizontally arranged and a second plate body (42) which is perpendicular to the first plate body (41) which is horizontally arranged, and the support frame (4) is arranged above the transmission mechanism (1);

the spraying mechanism (2) is arranged above the transmission mechanism (1) and penetrates through the first plate body (41), and the spraying mechanism (2) is rotationally connected with the transmission mechanism (1);

the bidirectional motor (3) is connected to the lower portion of the transmission mechanism (1), the bidirectional motor (3) drives the transmission mechanism (1) to rotate forward or reversely, and the transmission mechanism (1) drives the spraying mechanism (2) to spray in a reciprocating spiral mode around the vertical direction.

2. The coal mining sprinkler system of claim 1, wherein:

the spraying mechanism (2) comprises a loop bar (21);

the loop bar (21) is movably arranged on the first plate body (41) in a penetrating manner along the vertical direction;

the transmission mechanism (1) comprises a screw (11) and a first transmission wheel (12);

the upper end of the screw rod (11) is in threaded connection with the lower end of the loop bar (21);

the first driving wheel (12) is fixedly connected to the lower end of the screw rod (11), and the first driving wheel (12) is connected to the bidirectional motor (3).

3. The coal mining sprinkler system of claim 2, wherein:

the transmission mechanism (1) further comprises a limiting assembly (13);

the limiting component (13) is arranged at the top of the first plate body (41) and is detachably connected to the outer side wall of the loop bar (21);

when the limiting component (13) is connected to the side wall of the loop bar (21), the loop bar (21) moves along the vertical direction;

when the limiting component (13) is separated from the side wall of the loop bar (21), the loop bar (21) moves spirally in a reciprocating mode around the vertical direction.

4. A coal mining sprinkler as claimed in claim 3, wherein:

the limiting assembly (13) comprises two elastic pieces (131), a fixing plate (132) and a limiting piece (133);

the fixing plate (132) is fixed on the top of the first plate body (41);

the limiting piece (133) is arranged opposite to the fixed plate (132), and the limiting piece (133) is movably limited at the top of the first plate body (41) so that the limiting piece (133) is far away from or close to the fixed plate (132);

the two elastic pieces (131) are respectively connected between the limiting piece (133) and the fixing plate (132);

the two elastic pieces (131), the limiting piece (133) and the fixing plate (132) are arranged around the periphery of the outer wall of the loop bar (21).

5. The coal mining sprinkler system of claim 4, wherein:

the outer wall of the sleeve rod (21) is provided with a sliding groove (211) along the vertical direction;

a limiting block (1331) is arranged on one side, facing the loop bar (21), of the limiting piece (133);

the limiting block (1331) is matched with the sliding groove (211);

when the limiting piece (133) is attached to the outer wall of the loop bar (21), the limiting piece (1331) is positioned in the sliding groove (211);

when the limiting piece (133) is separated from the outer wall of the loop bar (21), the limiting piece (1331) is separated from the sliding groove (211).

6. The coal mining sprinkler system of claim 4, wherein:

the limiting assembly (13) further comprises a toothed plate (134);

the toothed plate (134) is fixed on the top of the first plate body (41) along the moving direction of the limiting piece (133);

a groove (1332) is formed in one side, far away from the loop bar (21), of the limiting piece (133);

the groove (1332) is matched with the toothed plate (134), and the limiting piece (133) moves reciprocally along the toothed plate (134);

a plurality of tooth grooves (1341) are sequentially formed in the upper part of the toothed plate (134);

a tooth (1333) is arranged on one side, facing the toothed plate (134), of the limiting piece (133);

the teeth (1333) are adapted to the gullet (1341) to locate the position of the stop (133).

7. The coal mining sprinkler system of claim 2, wherein:

the stirring device also comprises a stirring part (5) and a water tank (6);

the stirring part (5) is positioned in the water tank (6), and the lower end of the stirring part (5) extends out of the bottom wall of the water tank (6);

the transmission mechanism (1) penetrates through the second plate body (42) and is movably connected to the lower end of the stirring part (5) below the water tank (6);

the transmission mechanism (1) drives the stirring part (5) to rotate in the water tank (6).

8. The coal mining sprinkler system of claim 7, wherein:

the transmission mechanism (1) further comprises a second transmission wheel (14) and a transmission belt (15);

the second driving wheel (14) is connected to the lower end of the stirring part (5);

the transmission belt (15) passes through the second plate body (42) and is sleeved on the outer sides of the first transmission wheel (12) and the second transmission wheel (14) at the same time;

the bidirectional motor (3) drives the first driving wheel (12) and the second driving wheel (14) to rotate at the same time.

9. The coal mining sprinkler system of claim 7, wherein:

the spraying mechanism (2) further comprises a spray head (22) and a hose (23);

the spray head (22) is fixed at the upper end of the loop bar (21);

the hose (23) communicates the water tank (6) with the spray head (22).

10. The coal mining sprinkler system of claim 7, wherein:

also comprises a base (7);

the transmission mechanism (1), the bidirectional motor (3), the support frame (4) and the water tank (6) are arranged on the base (7).