External spraying device of coal mining machine

Abstract

The utility model discloses an external spraying device of a coal mining machine, and belongs to the technical field of external spraying. The external spraying device of the coal mining machine comprises a mounting frame, the water conveying mechanism comprises two water inlet pipes fixedly connected with the mounting frame, a sealing frame is fixedly connected to one water inlet pipe, a sealing block is slidably connected to the interior of the sealing frame, a tooth frame is fixedly connected to the interior of the sealing block, a gear is connected to the interior of the tooth frame in a meshed mode, and a driving motor is fixedly connected to the middle of the gear; the driving motor is fixedly connected with the sealing frame; the sealing block is in sealing fit with the water inlet pipe; the spraying mechanism is mounted at one end of the mounting frame. Through the design of the spraying mechanism, when the crushing coal mining machine is large, a spray head is rotated to drive a rotating column to rotate, adjustment of a certain angle can be achieved, in this way, the crushing range can be covered, it is guaranteed that smoke dust cannot occur, and after adjustment, fixing bolts are connected and fixed to threaded grooves, so that the crushing coal mining machine is convenient to use. Therefore, fixing and limiting of the sprayer after rotation can be achieved, and use is convenient and fast.

Description

Technical Field

[0001] The present application relates to the technical field of external spraying, and in particular to an external spraying device for a coal mining machine. Background Art

[0002] In coal mining, the main mining measure is coal mining. During the mining process, the coal mining machine collides with the coal wall to produce a lot of smoke and dust, which can cause coal miners to suffer from pneumoconiosis. In order to avoid the generation of smoke and dust, a spray device is installed on the arm of the coal mining machine. The existing spray device only performs simple water column impact dust reduction, which does not achieve the best dust reduction effect and wastes a lot of water resources.

[0003] The prior art patent document with publication number CN210087316U provides an external spray device for a coal mining machine, which increases the spraying range of the nozzle by adjusting the nozzle to circulate and swing the water according to actual needs, thereby improving the efficiency of dust reduction, meeting the needs of use, and being convenient for use.

[0004] Although the above-mentioned prior art solution can increase the spraying range of the nozzle by adjusting the cyclic swinging water spraying of the nozzle according to actual needs, it still has the following defects: since there will be gaps in the water spraying due to the cyclic swinging water spraying, such gaps will cause the normal escape of smoke.

[0005] In view of this, we propose an external spray device for coal mining machine. Utility Model Content

[0006] 1. Technical problems to be solved

[0007] The purpose of the present application is to provide an external spray device for a coal mining machine to solve the problem in the above-mentioned background technology that the spraying interval of the cyclic swinging water spray will cause the normal escape of smoke, thereby achieving the maximum dust reduction effect.

[0008] 2. Technical solution

[0009] An external spray device for a coal mining machine comprises a mounting frame, wherein the mounting frame is mounted on the coal mining machine;

[0010] A water delivery mechanism, the water delivery mechanism is installed and fixed in the installation frame, and the water delivery mechanism includes two water inlet pipes connected and fixed to the installation frame, one of the water inlet pipes is connected and fixed with a sealing frame, a sealing block is slidably connected inside the sealing frame, a tooth frame is connected and fixed inside the sealing block, a gear is meshingly connected inside the tooth frame, a driving motor is connected and fixed in the middle of the gear, the driving motor is connected and fixed to the sealing frame, and the sealing block is sealed and matched with the water inlet pipe;

[0011] A spraying mechanism is installed at one end of the installation frame.

[0012] By adopting the above technical scheme, the design of the water delivery mechanism can respectively deliver clean water and dust suppressant through two water inlet pipes, and in the use of the dust suppressant, the amount of dust suppressant delivered can be adjusted according to the specific texture of the coal mine and the model of the coal mining machine. During adjustment, the gear can be driven by the output shaft of the driving motor, thereby driving the gear frame upward or downward, so that the sealing block can slide in the sealing frame and the water inlet pipe, and then the dust suppressant can be delivered according to the amount and mixed with clean water. Such a design, combined with the traditional nozzle, can enhance the dust reduction effect, and avoid the problem of dust reduction gaps caused by the reciprocating swing of the existing technology, thereby ensuring stable and effective dust reduction.

[0013] Preferably, a mixing frame is connected and fixed inside the installation frame, an auger is connected and fixed inside the mixing frame, and the mixing frame is connected and fixed to two water inlet pipes.

[0014] By adopting the above technical solution, the mixing frame is matched with the auger design, so that the clean water and the dust suppressant can be fully mixed, so that the sprayed dust suppressant foam is more uniform.

[0015] Preferably, the spraying mechanism comprises a rotating frame connected and fixed to the mounting frame, two rotating columns are rotatably connected inside the rotating frame, and a spray head is connected and fixed to the middle of the rotating column.

[0016] Preferably, the spraying mechanism further comprises a plurality of thread grooves formed on the top surface of the rotating column, wherein a fixing bolt is threadedly connected inside one of the thread grooves, and the fixing bolt is threadedly connected to the rotating frame.

[0017] By adopting the above technical solution and the design of the spraying mechanism, when the crushing coal mining machine is large, by rotating the nozzle to drive the rotating column to rotate, a certain angle of adjustment can be achieved, so that the crushing range can be covered to ensure that smoke and dust will not occur, and after adjustment, the nozzle can be fixed by connecting and fixing it with the threaded groove to achieve fixed limit after rotation, which is more convenient to use.

[0018] Preferably, a booster pump is connected and fixed to the end of the mixing frame, and the other end of the booster pump is connected and fixed to two nozzles via a hose.

[0019] 3. Beneficial effects

[0020] Compared with the prior art, the advantages of this application are:

[0021] 1. Through the design of the water delivery mechanism, the present application can respectively deliver clean water and dust suppressant through two water inlet pipes, and in the use of the dust suppressant, the amount of dust suppressant delivered can be adjusted according to the specific texture of the coal mine and the model of the coal mining machine. Such a design, combined with the nozzle turning into foam to spray out dust suppression, can enhance the dust suppression effect, and also avoid the problem of dust suppression gaps caused by the reciprocating swing of the prior art, thereby ensuring stable and effective dust suppression.

[0022] 2. Through the design of the spraying mechanism, the present application can achieve a certain angle of adjustment by rotating the nozzle to drive the rotating column to rotate when the crushing coal mining machine is large, so as to cover the crushing range and ensure that smoke and dust will not occur. After adjustment, the nozzle can be fixed by connecting and fixing it with the threaded groove through the fixing bolts, so that the fixed limit can be achieved after the rotation of the nozzle, which is more convenient to use. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 This is a schematic diagram of the overall structure of the external spray device of the coal mining machine according to an embodiment of the present application;

[0024] Figure 2 2 is a schematic cross-sectional view of the installation frame of the external spray device of the coal mining machine according to the embodiment of the present application;

[0025] Figure 3 It is an enlarged schematic diagram of the structure of the coal mining machine external spray device A in the embodiment of the present application;

[0026] Figure 4 Schematic diagram of the spraying mechanism of the external spray device of the coal mining machine in the embodiment of the present application;

[0027] Explanation of the numbers in the figure: 1. Installation frame; 2. Water delivery mechanism; 3. Water inlet pipe; 4. Sealing frame; 5. Sealing block; 6. Gear frame; 7. Gear; 8. Driving motor; 9. Spraying mechanism; 10. Mixing frame; 11. Auger; 12. Rotating frame; 13. Rotating column; 14. Spray head; 15. Threaded groove; 16. Fixing bolt. DETAILED DESCRIPTION

[0028] The present application is further described in detail below in conjunction with the accompanying drawings.

[0029] Reference Figure 1 , Figure 2 and Figure 3 , the embodiment of the present application discloses an external spray device for a coal mining machine. Mounting frame 1, the mounting frame 1 is mounted on the coal mining machine;

[0030] A water delivery mechanism 2 is installed and fixed in the installation frame 1, and the water delivery mechanism 2 includes two water inlet pipes 3 connected and fixed to the installation frame 1, one of the water inlet pipes 3 is connected and fixed with a sealing frame 4, a sealing block 5 is slidably connected inside the sealing frame 4, a gear frame 6 is connected and fixed inside the sealing block 5, a gear 7 is meshingly connected inside the gear frame 6, a driving motor 8 is connected and fixed in the middle of the gear 7, the driving motor 8 is connected and fixed to the sealing frame 4, and the sealing block 5 is sealed and matched with the water inlet pipe 3;

[0031] The spraying mechanism 9 is installed at one end of the installation frame 1.

[0032] The design of the water delivery mechanism 2 can respectively deliver clean water and dust suppressant through two water inlet pipes 3, and when using the dust suppressant, the amount of dust suppressant delivered can be adjusted according to the specific texture of the coal mine and the model of the coal mining machine. During adjustment, the gear 7 can be driven by the output shaft of the driving motor 8, thereby driving the gear frame 6 upward or downward, so that the sealing block 5 can slide in the sealing frame 4 and the water inlet pipe 3, and then the dust suppressant can be delivered according to the amount and mixed with the clean water. Such a design, combined with the traditional nozzle 14, can enhance the dust reduction effect, and also avoid the problem of dust reduction gaps caused by the reciprocating swing of the prior art, thereby ensuring stable and effective dust reduction.

[0033] Reference Figure 2 A mixing frame 10 is connected and fixed inside the installation frame 1 , an auger 11 is connected and fixed inside the mixing frame 10 , and the mixing frame 10 is connected and fixed to the two water inlet pipes 3 .

[0034] The mixing frame 10 cooperates with the design of the auger 11 to fully mix the clean water and the dust suppressant, so that the dust suppressant foam sprayed out is more uniform.

[0035] Reference Figure 4 The spraying mechanism 9 includes a rotating frame 12 connected and fixed to the mounting frame 1 , two rotating columns 13 are rotatably connected inside the rotating frame 12 , and a spray head 14 is connected and fixed in the middle of the rotating column 13 .

[0036] The spraying mechanism 9 further includes a plurality of thread grooves 15 formed on the top surface of the rotating column 13 , wherein a fixing bolt 16 is threadedly connected inside one of the thread grooves 15 , and the fixing bolt 16 is threadedly connected to the rotating frame 12 .

[0037] The design of the spraying mechanism 9 can achieve adjustment to a certain angle by rotating the nozzle 14 to drive the rotating column 13 to rotate when the crushing coal mining machine is large, so as to cover the crushing range and ensure that smoke and dust will not occur. After adjustment, the nozzle 14 can be fixed by connecting and fixing it with the threaded groove 15 through the fixing bolt 16, so that the fixed limit of the nozzle 14 can be achieved after rotation, which is more convenient to use.

[0038] Reference Figure 2 Preferably, a booster pump is connected and fixed to one end of the mixing frame 10, and the other end of the booster pump is connected and fixed to the two nozzles 14 via a hose.

[0039] The implementation principle of an external spray device for a coal mining machine in an embodiment of the present application is as follows: when used for dust reduction, clean water and dust reducing agent are respectively fed in through two water inlet pipes 3, and in the use of the dust reducing agent, the amount of dust reducing agent fed in can be adjusted according to the specific texture of the coal mine and the model of the coal mining machine. During adjustment, the gear 7 can be driven by the output shaft of the driving motor 8, thereby driving the gear frame 6 upward or downward, so that the sealing block 5 can slide in the sealing frame 4 and the water inlet pipe 3, and then the dust reducing agent can be fed out according to the amount and mixed with the clean water, and then the mixing frame 10 cooperates with the auger 11 to fully mix the clean water and the dust reducing agent, and the booster pump drives the mixture of clean water and dust reducing agent to be sprayed from the nozzle 14 into a foam state for dust reduction. At the same time, when the crushing coal mining machine is large, by rotating the nozzle 14 to drive the rotating column 13 to rotate, a certain angle of adjustment can be achieved, so that the crushing range can be covered to ensure that smoke and dust will not occur, and after adjustment, the fixing bolt 16 is connected and fixed to the threaded groove 15 to achieve a fixed limit after the nozzle 14 is rotated, so that the dust reduction range can be expanded.

Claims

1. A coal mining machine external spray device, It is characterized by; including: A mounting frame (1), wherein the mounting frame (1) is mounted on a coal mining machine; A water delivery mechanism (2), the water delivery mechanism (2) being installed and fixed in the installation frame (1), and the water delivery mechanism (2) comprising two water inlet pipes (3) connected and fixed to the installation frame (1), one of the water inlet pipes (3) being connected and fixed to a sealing frame (4), a sealing block (5) being slidably connected inside the sealing frame (4), a tooth frame (6) being connected and fixed inside the sealing block (5), a gear (7) being meshingly connected inside the gear frame (6), a driving motor (8) being connected and fixed in the middle of the gear (7), the driving motor (8) being connected and fixed to the sealing frame (4), and the sealing block (5) being sealingly matched with the water inlet pipe (3); A spraying mechanism (9), wherein the spraying mechanism (9) is installed at one end of the installation frame (1).

2. The external spray device of the coal mining machine according to claim 1, characterized in that: A mixing frame (10) is connected and fixed inside the installation frame (1), an auger (11) is connected and fixed inside the mixing frame (10), and the mixing frame (10) is connected and fixed to two water inlet pipes (3).

3. The external spray device of the coal mining machine according to claim 2 is characterized in that: The spraying mechanism (9) comprises a rotating frame (12) connected and fixed to the mounting frame (1), two rotating columns (13) are rotatably connected inside the rotating frame (12), and a spray head (14) is connected and fixed in the middle of the rotating column (13).

4. The external spray device of the coal mining machine according to claim 3 is characterized in that: The spraying mechanism (9) further comprises a plurality of thread grooves (15) formed on the top surface of the rotating column (13), wherein a fixing bolt (16) is threadedly connected to the interior of one of the thread grooves (15), and the fixing bolt (16) is threadedly connected to the rotating frame (12).

5. The external spray device of the coal mining machine according to claim 4, characterized in that: A booster pump is connected and fixed to the end of the mixing frame (10), and the other end of the booster pump is connected and fixed to two spray heads (14) via a hose.

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