Self-adaptive adjusting device for spraying and dust falling angle of coal mine excavation face

Abstract

The utility model discloses a coal mine excavation face spray dust fall angle self-adaptive adjusting device, which relates to the technical field of coal mining equipment, and comprises a support frame and a swing seat, the support frame is fixed on excavation equipment, the swing seat is provided with a spray assembly, the spray assembly comprises a guide plate, an atomizing nozzle and a communicating pipe, and the guide plate is fixed on the swing seat. The two flow guide plates symmetrically slide along the side end of the swing seat, the double-end telescopic rod is started, thrust is generated at the two ends of the double-end telescopic rod, the two flow guide plates are pushed to slide along the interior of the guide frame, and in the sliding process, the flow guide plates stretch the communicating pipe to keep the communicating pipe communicated with the interior of the communicating pipe, and two water conveying pipes connected with the flow guide plates are fixedly installed at the top end of the supporting frame. Each water conveying pipe is made of elastic materials, one end of each water conveying pipe is connected with the water tank, the other end of each water conveying pipe is connected with the flow guide plates through quick connectors, and the overall dust concentration is effectively reduced by adjusting the distance between the flow guide plates, enlarging the spraying area of the atomizing nozzles and covering a larger mining face area.

Description

TECHNICAL FIELD

[0001] The utility model relates to coal mining equipment technical field especially relates to a coal mining face spray dust angle self -adaptation adjusting device. BACKGROUND

[0002] The mining working face is also called the driving working face, and is a tunnel that is first mined when preparing for the mining working face. The tunnel includes the functions of coal exploration, coal mining, water exploration, gas exploration and the like. Specifically, it is a single-end tunnel mainly for driving and supplemented by other geological conditions.

[0003] At present, the existing spray dust device (such as patent announcement number: CN213016437U) discloses a dust falling device for coal mining working face. The water pressure in the container is increased by air supply to the closed container, and then the spray head sprays the mining working face, so that the fine mist effect of the spray head is good, and the dust can be effectively removed. Because the fine mist is small, it is easy to be adsorbed and wrapped by dust, so it is not easy to produce water accumulation in the tunnel.

[0004] The shape and size of the mining face will change continuously as the mining work advances. The spray head with fixed position and distance is difficult to fully cover the entire mining face. In the process of coal mining, the dust concentration in different areas and different periods is different. The fixed position and distance of the spray head make it difficult to flexibly adjust the spray amount and coverage range according to the actual dust concentration. UTILITY MODEL CONTENT

[0005] In view of the shortcomings of the prior art, the utility model provides a coal mining face spray dust angle self-adaptive adjusting device, which solves the technical problems that the shape and size of the mining face will change continuously as the mining work advances, the spray head with fixed position and distance is difficult to fully cover the entire mining face, in the process of coal mining, the dust concentration in different areas and different periods is different, and the fixed position and distance of the spray head make it difficult to flexibly adjust the spray amount and coverage range according to the actual dust concentration.

[0006] To achieve the above purpose, the utility model is realized by the following technical scheme:

[0007] A coal mining face spray dust angle self-adaptive adjusting device,

[0008] Preferably, two driving assemblies are installed in the inside of each support frame, each driving assembly includes a thrust sleeve and a connecting plate, and the side end of each connecting plate is rotationally connected with the inclined support rod.

[0009] The side end of each guide plate is fixedly installed with a double-end telescopic rod, and the two ends of each double-end telescopic rod are designed to be telescopic.

[0010] Preferably, two guide frames connected with the guide plates are fixedly installed at the side end of each of the swing seats, and each of the guide frames is matched with the protrusions at the side end of the guide plates;

[0011] Each of the swing seats is connected with the support frame through a fixed shaft, and two guide grooves for abutting with the connecting plates are formed at the side end of each of the support frames;

[0012] Two water delivery pipes connected with the guide plates are fixedly installed at the top end of the support frame, and each of the water delivery pipes is made of elastic material.

[0013] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0014] In the utility model, the driving push force sleeve is extended and retracted, the push force sleeve exerts force on the connecting plate, the oblique support rod is pulled, one end of the oblique support rod is rotationally connected with the support frame, the other end of the oblique support rod pulls the swing seat, the swing seat is rotated around the support frame, the guide plate is driven to adjust the spray angle, the spray angle is automatically adjusted according to the concentration distribution, the dust reduction is targeted to the high concentration area, and the dust reduction efficiency is improved.

[0015] In the utility model, the double-end telescopic rod is started, the two ends of the double-end telescopic rod generate thrust force, the two guide plates are pushed to slide along the guide frames, in the sliding process, the guide plates stretch the communication pipe, the communication pipe is maintained to be through in the two, two water delivery pipes connected with the guide plates are fixedly installed at the top end of the support frame, each of the water delivery pipes is made of elastic material, one end of the water delivery pipe is connected with the water tank, the other end of the water delivery pipe is connected with the guide plate through the quick connector, the spray area of the atomizing nozzle is expanded by adjusting the distance between the guide plates, a larger mining area is covered, and the overall dust concentration is effectively reduced. BRIEF DESCRIPTION OF DRAWINGS

[0016] The above description is only a summary of the technical scheme of the utility model, in order to more clearly understand the technical means of the utility model, and the content of the specification can be implemented, the following preferred embodiments of the utility model are described in detail in cooperation with the drawings.

[0017] Figure 1 It is the structure diagram of the support frame of the utility model;

[0018] Figure 2 It is the structure diagram of the guide plate of the utility model;

[0019] Figure 3 It is the structure diagram of the oblique support rod of the utility model;

[0020] Figure 4 It is the structure diagram of the swing seat of the utility model.

[0021] In the figure: 11, support frame; 12, swing seat; 13, guide plate; 14, water delivery pipe; 15, atomizing nozzle; 16, connecting pipe; 17, double-end telescopic rod; 18, clamping seat; 19, inclined support rod; 21, thrust sleeve; 22, connecting plate; 23, guide frame. DETAILED DESCRIPTION

[0022] The embodiment of the present application provides a coal mining face spray dust reduction angle self-adaptive adjusting device, effectively solves the problems that the shape and size of the mining face can change with the advancement of the mining work, the fixed position and interval of the spray head are difficult to comprehensively cover the whole mining face, the dust concentration is different in different regions and different time periods in the coal mining process, and the fixed position and interval of the spray head make it difficult to flexibly adjust the spray amount and coverage range according to the actual dust concentration, the thrust sleeve is driven to stretch and retract, the thrust sleeve applies a force to the connecting plate, then the inclined support rod is pulled, one end of the inclined support rod is rotationally connected with the support frame, the other end pulls the swing seat, so that the swing seat rotates around the support frame, the guide plate is driven to adjust the spray angle, the spray angle is automatically adjusted according to the concentration distribution, dust reduction is targeted to the high-concentration area, and the dust reduction efficiency is improved.

[0023] EMBODIMENT

[0024] As shown in Figure 1 , Figure 2 , Figure 3 and Figure 4 , the technical scheme in the embodiment of the present application effectively solves the technical problems that the shape and size of the mining face can change with the advancement of the mining work, the fixed position and interval of the spray head are difficult to comprehensively cover the whole mining face, the dust concentration is different in different regions and different time periods in the coal mining process, and the fixed position and interval of the spray head make it difficult to flexibly adjust the spray amount and coverage range according to the actual dust concentration, and the general idea is as follows:

[0025] In view of the problems in the prior art, the utility model provides a coal mine mining face spray dust fall angle self -adaptation adjusting device, including support frame 11 and swing seat 12, support frame 11 is fixed on the heading equipment, swing seat 12 is provided with spray assembly, spray assembly includes deflector 13, atomizing nozzle 15 and intercommunication pipe 16, two deflector 13 along swing seat 12's side end portion symmetry slide, every atomizing nozzle 15 is installed at the side end portion of deflector 13 equidistance, swing seat 12's side end portion is fixedly installed with two clamping seat 18, every clamping seat 18's inside rotationally installed has oblique support 19, two oblique support 19 are designed symmetry, through the drive both ends telescopic link 17 telescoping, both ends telescopic link 17 is fixed in the side end of guide frame 23, both ends telescopic link 17's both ends generate the thrust to deflector 13, make deflector 13 along the inside of guide frame 23 slide, simultaneously deflector 13 pulls two intercommunication pipes 16, makes intercommunication pipe 16 can stretch, guarantees the through of two deflector 13 insides, through adjusting the interval of two deflector 13, expands the spray area;

[0026] Every support frame 11's inside is installed with two drive assemblies, every drive assembly includes push sleeve 21 and connecting plate 22, every connecting plate 22's side end portion is rotatably connected with oblique support 19, through the drive push sleeve 21 telescoping, push sleeve 21 generates the force to connecting plate 22, connecting plate 22 generates the tension to oblique support 19's end, make oblique support 19 is bound in support frame 11's side end portion, simultaneously the other end of oblique support 19 is rotatably connected with swing seat 12, generates the tension to swing seat 12, make swing seat 12 rotate around support frame 11, adjust the deflection angle of swing seat 12, drive deflector 13 adjust the angle of spray

[0027] Every deflector 13's side end portion is fixedly installed with both ends telescopic link 17, and both ends telescopic link 17's both ends are designed to be telescopic, through the telescoping of both ends telescopic link 17, both ends telescopic link 17's both ends can simultaneously push two deflector 13 to slide;

[0028] Every swing seat 12's side end portion is fixedly installed with two guide frames 23 connected with deflector 13, every guide frame 23 fits the protrusion of deflector 13 side end portion, and deflector 13 slides along the inside of guide frame 23, to ensure the stability of the movement of deflector 13;

[0029] Every swing seat 12 is connected with support frame 11 through fixed shaft, and the side end of every support frame 11 is provided with two guide grooves butting against connecting plate 22, and a plurality of optical sensors are simultaneously installed on the side end of support frame 11, the dust concentration on both sides of swing seat 12 is detected by the optical sensor, the dust concentration on the side is higher, swing seat 12 is deflected by driving, swing seat 12 drives deflector 13 to adjust the spray angle, and dust is promptly removed.

[0030] The top end of the support frame 11 is fixedly provided with two water conveying pipes 14 connected with the guide plates 13, each of which is made of elastic material, one end of the water conveying pipe 14 is connected with the water tank, and the water source is guided into the inside of the guide plate 13 through the pump, and the spraying is carried out through the atomizing nozzles 15 at the side end of the guide plate 13 to carry out the dust reduction work.

[0031] Working principle:

[0032] Firstly, the double-end telescopic rod 17 is started, and the two ends generate a pushing force to push the two guide plates 13 to slide along the inside of the guide frame 23, in the sliding process, the guide plate 13 stretches the connecting pipe 16 to maintain the inside through connection, the top end of the support frame 11 is fixedly provided with two water conveying pipes 14 connected with the guide plates 13, each of which is made of elastic material, one end of the water conveying pipe 14 is connected with the water tank, and the other end is connected with the guide plate 13 through the quick connector, the water tank is provided with a pump, and the water source is guided into the inside of the guide plate 13 through the water conveying pipe 14 under the action of the pump, the spraying area of the atomizing nozzles 15 is expanded by adjusting the distance between the guide plates 13 to cover a larger mining area, and the overall dust concentration is effectively reduced.

[0033] Secondly, the optical sensor monitors the dust concentration on both sides of the swing seat 12 in real time, and transmits the data to the control unit, when the dust concentration on one side is higher, the control unit drives the telescopic pushing sleeve 21 to stretch, the pushing sleeve 21 applies a force to the connecting plate 22, and then pulls the inclined supporting rod 19, one end of the inclined supporting rod 19 is rotationally connected with the support frame 11, and the other end pulls the swing seat 12 to rotate around the support frame 11, drives the guide plate 13 to adjust the spraying angle, and the water source in the water tank enters the guide plate 13 through the water conveying pipe 14 under the action of the pump, and is atomized and sprayed out through the atomizing nozzles 15, according to the concentration distribution, the spraying angle is automatically adjusted to carry out targeted dust reduction on the high concentration area, and the dust reduction efficiency is improved.

[0034] Finally, it should be pointed out that: obviously, the above embodiments are only examples for clearly illustrating the utility model, and are not limited to the implementation mode. For ordinary skilled persons in the art, other different forms of changes or changes can be made on the basis of the above description. Here, it is not necessary and impossible to enumerate all the implementation modes. The obvious changes or changes derived therefrom are still within the protection scope of the utility model.

Claims

1. A coal mine mining face spray dust fall angle self-adaptive adjusting device, comprising a support frame (11) and a swing seat (12), characterized in that, The support frame (11) is fixed on the tunneling equipment, further comprising; The swing seat (12) is provided with a spraying assembly, which comprises guide plates (13), atomizing nozzles (15) and connecting pipes (16), two guide plates (13) are symmetrically slid along the side end of the swing seat (12), and each atomizing nozzle (15) is installed equidistantly at the side end of the guide plate (13); The side end of the swing seat (12) is fixedly provided with two clamping seats (18), and the inside of each clamping seat (18) is rotatably provided with a diagonal support rod (19), and the two diagonal support rods (19) are symmetrically designed.

2. The coal face spraying dust-settling angle self-adaptive adjusting device according to claim 1, characterized in that, The inside of each support frame (11) is provided with two driving assemblies, each driving assembly comprises a thrust sleeve (21) and a connecting plate (22), and the side end of each connecting plate (22) is rotatably connected with the diagonal support rod (19).

3. The coal face spraying dust-settling angle self-adaptive adjusting device according to claim 1, characterized in that, The side end of each guide plate (13) is fixedly provided with a double-end telescopic rod (17), and the two ends of each double-end telescopic rod (17) are designed to be telescopic.

4. The coal face spraying dust-settling angle self-adaptive adjusting device according to claim 1, characterized in that, The side end of each swing seat (12) is fixedly provided with two guide frames (23) connected with the guide plate (13), and each guide frame (23) is fitted with the protrusion of the side end of the guide plate (13).

5. The coal face spraying dust-settling angle self-adaptive adjusting device according to claim 1, characterized in that, Each swing seat (12) is connected with the support frame (11) through a fixed shaft, and the side end of each support frame (11) is provided with two guide grooves which are butted with the connecting plate (22).

6. The coal face spraying dust-settling angle self-adaptive adjusting device according to claim 1, characterized in that, The top end of the support frame (11) is fixedly provided with two water conveying pipes (14) connected with the guide plate (13), and each water conveying pipe (14) is made of elastic material.

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