Dust-proof equipment for underground coal mine

Abstract

The utility model discloses dust-proof equipment for an underground coal mine, which comprises a mounting frame, a rotating plate, a fixed plate, a connecting frame and a mounting seat, and a reciprocating assembly is arranged on the mounting frame. By arranging a reciprocating assembly and starting a second motor, a plurality of atomizing nozzles can move back and forth, and more uniform spraying coverage in a larger range can be realized, so that the dust concentration of the whole underground coal mine is more effectively reduced, the spraying position and density can be flexibly adjusted according to the actual conditions and requirements of the underground coal mine, and the spraying efficiency is improved. Therefore, the optimal dust falling effect is achieved; by pulling the pulling plate and rotating the hand wheel, the horizontal angle and the vertical angle of the atomizing spray head can be adjusted according to the dust distribution condition and the air flow direction under the coal mine, water mist can cover the dust accumulation area more accurately, meanwhile, the water mist can be prevented from being sprayed to the area where dust falling is not needed, and therefore waste of water resources is reduced, and the dust falling efficiency is improved. Therefore, the dust falling efficiency is improved.

Description

Technical Field

[0001] The present application relates to the technical field of coal mining, in particular to dust prevention equipment used in underground coal mines. Background Art

[0002] A large amount of dust is generated during the underground production process in coal mines. On the one hand, miners working in a dusty environment will have their eyesight greatly reduced, which may induce safety accidents. On the other hand, it will also increase the risk of miners suffering from pneumoconiosis. In addition, the coal dust generated by coal seams in most coal mines is explosive. When these coal dusts are suspended in the air and reach a certain concentration, they can explode under the action of high-temperature heat sources, causing safety accidents.

[0003] When the existing dust prevention equipment is used in coal mines, the environment underground is complex and changeable. The dust distribution may vary depending on factors such as location and working method. The equipment can only spray at one fixed position, and cannot adjust the spray direction according to the dust distribution and wind direction in the coal mine. The spray range is limited, and the water mist is sprayed unevenly or excessively, resulting in low water resource utilization efficiency and poor dust reduction effect. In view of the above problems, dust prevention equipment for coal mines is proposed. Summary of the invention

[0004] In this embodiment, a dust prevention device for use in coal mines is provided to solve the problem that when the dust prevention device for use in coal mines in the prior art is in use, the environment in the coal mine is complex and changeable, and the dust distribution may vary depending on factors such as location and working method. The device can only be sprayed at a fixed position, and the spray direction cannot be adjusted according to the dust distribution and wind flow direction in the coal mine. The spray range is limited, and the water mist spraying is uneven or excessive, resulting in low efficiency in water resource utilization and poor dust reduction effect.

[0005] According to one aspect of the present application, a dust prevention device for use in underground coal mines is provided, including a mounting frame, a rotating plate, a fixed plate, a connecting frame and a mounting seat, wherein a reciprocating assembly is arranged on the mounting frame, and the reciprocating assembly includes an incomplete gear, a first rack plate, a limit block and a limit rod, a second motor is fixedly installed inside the mounting seat, an output shaft of the second motor extends to the top end of the mounting seat and an incomplete gear is fixedly installed, a first rack plate is fixedly installed at the bottom end of the fixed plate, the incomplete gear is meshedly connected with the first rack plate, limit blocks are fixedly installed on both sides of the first rack plate, two limit frames are fixedly installed on the top end of the mounting seat, limit rods are fixedly installed inside the two fixed frames, and the two limit rods are respectively slidably connected with the limit blocks;

[0006] The upper part of the connecting frame is rotatably connected to a rotating plate, a mounting plate is fixedly installed on one side of the rotating plate, a water distribution pipe is fixedly installed on one side of the mounting plate, one side of the water distribution pipe is connected to multiple atomizing nozzles, a box body is fixedly installed on the mounting frame, the top of the box body is connected to a water inlet pipe; a water pump is fixedly installed on the top of the box body, the water pump is connected to the box body through a pumping pipe, the other end of the water pump is connected to a connecting pipe, and one end of the connecting pipe is connected to the water distribution pipe.

[0007] Furthermore, a fixing plate is fixedly installed on the top of the rack plate, a fixing frame is fixedly installed on the top of the fixing plate, a first motor is fixedly installed inside the fixing frame, an output shaft of the first motor extends to the outer end of the fixing frame and a screw is fixedly installed, a lifting plate is threadedly connected to the screw, two guide grooves are provided inside the fixing frame, guide rods are fixedly installed inside the two guide grooves, two guide blocks are fixedly installed on the lifting plate, and the two guide blocks are slidably connected to the guide rods respectively.

[0008] Furthermore, a fixed box is fixedly installed on the top of the lifting plate, and a rotating shaft is rotatably connected to the interior of the fixed box through a bearing. The rotating shaft is located in the inner cavity of the fixed box and is fixedly installed with a gear. A connecting rod is slidably connected to one side of the fixed box, a pull plate is fixedly installed on one end of the connecting rod, and the other end of the connecting rod extends to the inner cavity of the fixed box and is fixedly installed with a second rack plate, and the second rack plate is meshingly connected to the gear.

[0009] Furthermore, a spring is sleeved on the connecting rod, and two ends of the spring are respectively fixedly connected to the inner wall of the fixed box and the second rack plate.

[0010] Furthermore, a connecting frame is fixedly installed on the rotating shaft, the internal thread of the connecting frame is connected to a screw rod, the top end of the screw rod is rotatably connected to a movable plate through a bearing, the top end of the movable plate is rotatably connected to a slider, a sliding groove is opened inside the rotating plate, the inside of the sliding groove is slidably connected to a sliding rod, and the sliding rod is slidably connected to the slider.

[0011] Furthermore, two push rods are fixedly mounted on one side of the mounting frame, and one side of the two push rods is fixedly mounted to the same handrail.

[0012] Furthermore, four brake universal wheels are fixedly mounted on the bottom end of the mounting frame.

[0013] Through the above-mentioned embodiment of the present application, by setting a reciprocating component and starting the second motor, multiple atomizing nozzles can move back and forth, which can achieve a wider range and more uniform spray coverage, thereby more effectively reducing the dust concentration in the entire coal mine. The position and density of the spray can be flexibly adjusted according to the actual situation and needs of the coal mine to achieve the best dust reduction effect;

[0014] By pulling the pull plate, the horizontal angles of the multiple atomizing nozzles can be adjusted. By loosening the pull plate, the rotation angles of the multiple atomizing nozzles are fixed. By turning the hand wheel, the multiple atomizing nozzles can be adjusted at vertical angles. The horizontal and vertical angles of the atomizing nozzles can be adjusted according to the dust distribution and wind flow direction in the coal mine. The water mist can cover the dust accumulation area more accurately, and at the same time, it can also avoid spraying the water mist to the area where dust reduction is not required, thereby reducing the waste of water resources and improving the dust reduction efficiency.

[0015] By starting the first motor, the output shaft of the first motor rotates to drive the screw to rotate. With the cooperation of the two guide rods, the screw rotates to drive the lifting plate to rise and fall, so that the height of multiple atomizing nozzles can be adjusted. It is convenient to flexibly adjust the height of the atomizing nozzle according to the actual height and dust distribution in the coal mine, thereby more effectively improving the air quality of the entire working area. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 This is a schematic diagram of a three-dimensional structure of an embodiment of the present application;

[0018] Figure 2 This is a schematic cross-sectional structure diagram of an embodiment of the present application;

[0019] Figure 3 This is a schematic diagram of the internal structure of a side view of an embodiment of the present application;

[0020] Figure 4 This is a schematic diagram of the top view of the structure of a mounting base according to an embodiment of the present application;

[0021] Figure 5 This is an enlarged structural schematic diagram of a fixed box according to an embodiment of the present application;

[0022] Figure 6 This is a schematic diagram of the internal structure of a fixed box according to an embodiment of the present application.

[0023] In the figure: 1, mounting frame; 2, handrail; 3, push rod; 4, water inlet pipe; 5, box; 6, water extraction pipe; 7, water pump; 8, connecting pipe; 9, pull plate; 10, fixed box; 11, rotating shaft; 12, connecting frame; 13, screw; 14, movable plate; 15, rotating plate; 16, slider; 17, slide rod; 18, slide groove; 19, mounting plate; 20, water distribution pipe; 21, atomizing nozzle; 22, hand wheel; 23, Screw rod; 24, lifting plate; 25, fixed frame; 26, motor; 27, fixed plate; 28, first rack plate; 29, limit rod; 30, guide frame; 31, mounting seat; 32, brake universal wheel; 33, second motor; 34, incomplete gear; 35, limit block; 36, guide rod; 37, guide groove; 38, guide block; 39, gear; 40, spring; 41, connecting rod; 42, second rack plate. DETAILED DESCRIPTION

[0024] In order to enable those skilled in the art to better understand the solution of the present application, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present application.

[0025] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequential order. It should be understood that the data used in this way can be interchanged where appropriate, so that the embodiments of the present application described here. In addition, the terms "including" and "having" and any of their variations are intended to cover non-exclusive inclusions, for example, a process, method, system, product or device comprising a series of steps or units is not necessarily limited to those steps or units clearly listed, but may include other steps or units that are not clearly listed or inherent to these processes, methods, products or devices.

[0026] In the present application, the terms "upper", "lower", "left", "right", "front", "back", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings. These terms are mainly used to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to have a specific orientation, or to be constructed and operated in a specific orientation.

[0027] In addition, some of the above terms may be used to express other meanings in addition to indicating orientation or positional relationship. For example, the term "on" may also be used to express a certain dependency or connection relationship in some cases. For those of ordinary skill in the art, the specific meanings of these terms in this application can be understood according to specific circumstances.

[0028] In addition, the terms "installed", "set", "provided with", "connected", "connected", and "socketed" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral structure; it can be a mechanical connection, or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be an internal connection between two devices, elements, or components. For those of ordinary skill in the art, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0029] It should be noted that, in the absence of conflict, the embodiments and features in the embodiments of the present application can be combined with each other. The present application will be described in detail below with reference to the accompanying drawings and in combination with the embodiments.

[0030] See also Figure 1-6 As shown, the dust prevention equipment used in coal mines comprises a mounting frame 1, a rotating plate 15, a fixed plate 27, a connecting frame 12 and a mounting seat 31, wherein the mounting frame 1 is provided with a reciprocating assembly, wherein the reciprocating assembly comprises an incomplete gear 34, a first rack plate 28, a limit block 35 and a limit rod 29, wherein a second motor 33 is fixedly mounted inside the mounting seat 31, wherein an output shaft of the second motor 33 extends to the top of the mounting seat 31 and an incomplete gear 34 is fixedly mounted thereon, wherein a first rack plate 28 is fixedly mounted on the bottom end of the fixed plate 27, wherein the incomplete gear 34 is meshingly connected with the first rack plate 28, wherein limit blocks 35 are fixedly mounted on both sides of the first rack plate 28, wherein two limit frames 30 are fixedly mounted on the top end of the mounting seat 31, wherein limit rods 29 are fixedly mounted inside the two limit frames 30, wherein the two limit rods 29 are respectively slidably connected with the limit blocks 35;

[0031] The upper rotation of the connecting frame 12 is connected to a rotating plate 15, one side of the rotating plate 15 is fixedly installed with a mounting plate 19, one side of the mounting plate 19 is fixedly installed with a water distribution pipe 20, one side of the water distribution pipe 20 is connected with a plurality of atomizing nozzles 21, a box body 5 is fixedly installed on the mounting frame 1, the top of the box body 5 is connected with a water inlet pipe 4, a quantitative water source is injected into the box body 1 through the water inlet pipe 4, a water pump 7 is fixedly installed on the top of the box body 5, the water pump 7 is connected with the box body 5 through a pumping pipe, the other end of the water pump 7 is connected with a connecting pipe 8, one end of the connecting pipe 8 is connected with the water distribution pipe 20.

[0032] A fixing plate 27 is fixedly installed on the top of the first rack plate 28, and a fixing frame 25 is fixedly installed on the top of the fixing plate 27. A first motor 26 is fixedly installed inside the fixing frame 25. The output shaft of the first motor 26 extends to the outer end of the fixing frame 25 and a screw rod 23 is fixedly installed. The lifting plate 24 is threadedly connected to the screw rod 23. Two guide grooves 37 are provided inside the fixing frame 25, and guide rods 36 are fixedly installed inside the two guide grooves 37. Two guide blocks 38 are fixedly installed on the lifting plate 24, and the two guide blocks 38 are respectively slidably connected to the guide rods 36, so that the height of multiple atomizing nozzles 21 can be adjusted.

[0033] A fixed box 10 is fixedly installed on the top of the lifting plate 24, and a rotating shaft 11 is rotatably connected to the interior of the fixed box 10 through a bearing. The rotating shaft 11 is located in the inner cavity of the fixed box 10 and is fixedly installed with a gear 39. A connecting rod 41 is slidably connected to one side of the fixed box 10, and a pull plate 9 is fixedly installed on one end of the connecting rod 41. The other end of the connecting rod 41 extends to the inner cavity of the fixed box 10 and is fixedly installed with a second rack plate 42. The second rack plate 42 is meshed with the gear 39, so that the horizontal angles of multiple atomizing nozzles 21 can be adjusted.

[0034] The connecting rod 41 is sleeved with a spring 40 , and two ends of the spring 40 are fixedly connected to the inner wall of the fixing box 10 and the second rack plate 42 , respectively.

[0035] A connecting frame 12 is fixedly mounted on the rotating shaft 11, and a screw 13 is connected to the internal thread of the connecting frame 12. A movable plate 14 is rotatably connected to the top of the screw 13 through a bearing, and a slider 16 is rotatably connected to the top of the movable plate 14. A slide groove 18 is provided inside the rotating plate 15, and a slide rod 17 is slidably connected inside the slide groove 18. The slide rod 17 is slidably connected to the slider 16, so that multiple atomizing nozzles 21 can be adjusted vertically.

[0036] Two push rods 3 are fixedly mounted on one side of the mounting frame 1 , and one side of the two push rods 3 is fixedly mounted to the same handrail 2 , so that the device is pushed to move via the handrail 2 .

[0037] Four brake universal wheels 32 are fixedly mounted on the bottom end of the mounting frame 1 , and the brake universal wheels 32 can be used to move or fix the device in a suitable area.

[0038] When the present application is in use, the electronic components appearing in the present application are all externally connected to a power supply and a control switch. A fixed amount of water is injected into the box body 1 through the water inlet pipe 4 in advance, and the second motor 33 is started. The output shaft of the second motor 33 rotates to drive the incomplete gear 34 to rotate. When the side with the gear teeth of the incomplete gear 34 meshes with the rack on the left side of the first rack plate 28, the first rack plate 28 is driven to move to one side. When the side with the gear 34 of the incomplete gear 34 meshes with the rack on the right side of the first rack plate 28, the first rack plate 28 is driven to move in the opposite direction, which can drive the fixed plate 27 to move back and forth, so that the multiple atomizing nozzles 21 can move back and forth. The movement can achieve a wider range and more uniform spray coverage, thereby more effectively reducing the dust concentration in the entire coal mine. The position and density of the spray can be flexibly adjusted according to the actual situation and needs of the coal mine to achieve the best dust reduction effect; the first motor 26 is started, and the output shaft of the first motor 26 rotates to drive the screw rod 23 to rotate. Under the cooperation of the two guide rods 36, the screw rod 23 rotates to drive the lifting plate 24 to move up and down, so that the height of the multiple atomizing nozzles 21 can be adjusted, which is convenient for flexibly adjusting the height of the atomizing nozzle according to the actual height and dust distribution in the coal mine, thereby more effectively improving the air quality of the entire working area;

[0039] Pull the pull plate 9, and the pull plate 9 drives the second rack plate 42 to move through the connecting rod 41, the spring 40 is compressed, and the second rack plate 42 is away from the gear. At this time, the mounting plate 19 is rotated to a suitable angle so that the horizontal angles of the multiple atomizing nozzles 21 can be adjusted, and the pull plate is released, the spring 40 is reset, and the first rack plate 28 is meshed with the gear to limit the rotating shaft 11. The rotation angles of the multiple atomizing nozzles 21 are fixed, and the hand wheel 22 is turned. The rotation of the hand wheel 22 drives the screw 13 to rotate, and the screw 13 rotates and moves at the same time, so that the movable plate 14 drives the rotating plate 15 to rotate, so that the mounting plate 19 drives the multiple atomizing nozzles 21 to adjust the vertical angles through the air distribution pipe 20, and the water mist can cover the area where dust accumulates more accurately, better adapt to this complex environment, and ensure that the best dust reduction effect can be achieved under any circumstances. At the same time, it can also avoid spraying water mist to areas where dust reduction is not required, thereby reducing the waste of water resources and improving the dust reduction efficiency.

[0040] The benefits of this application are:

[0041] 1. By setting a reciprocating assembly and starting the second motor 33, the multiple atomizing nozzles 21 can move back and forth, so as to achieve a wider range and more uniform spray coverage, thereby more effectively reducing the dust concentration in the entire coal mine. The position and density of the spray can be flexibly adjusted according to the actual situation and needs of the coal mine to achieve the best dust reduction effect;

[0042] 2. By pulling the pull plate 9, the horizontal angles of the multiple atomizing nozzles 21 can be adjusted. The pull plate is loosened to limit the rotation shaft 11. The rotation angles of the multiple atomizing nozzles 21 are fixed. The hand wheel 22 is turned so that the mounting plate 19 drives the multiple atomizing nozzles 21 to adjust the vertical angles through the air distribution pipe 20. The water mist can more accurately cover the dust accumulation area, better adapt to this complex environment, and ensure that the best dust reduction effect can be achieved under any circumstances. At the same time, it can also avoid spraying water mist to areas where dust reduction is not required, thereby reducing the waste of water resources and improving the dust reduction efficiency.

[0043] 3. By starting the first motor 26, the output shaft of the first motor 26 rotates to drive the screw rod 23 to rotate. With the cooperation of the two guide rods 36, the screw rod 23 rotates to drive the lifting plate 24 to move up and down, so that the height of the multiple atomizing nozzles 21 can be adjusted, which is convenient for flexibly adjusting the height of the atomizing nozzle according to the actual height and dust distribution of the coal mine, thereby more effectively improving the air quality of the entire working area.

[0044] The circuits, electronic components and modules involved are all prior art and can be fully implemented by those skilled in the art. Needless to say, the content protected by this application does not involve improvements to software and methods.

[0045] The above description is only the preferred embodiment of the present application and is not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A dust prevention device for use in underground coal mines, comprising a mounting frame (1), a rotating plate (15), a fixed plate (27), a connecting frame (12) and a mounting seat (31), characterized in that: The mounting frame (1) is provided with a reciprocating assembly, the reciprocating assembly comprising an incomplete gear (34), a first rack plate (28), a limit block (35) and a limit rod (29); a second motor (33) is fixedly installed inside the mounting seat (31); an output shaft of the second motor (33) extends to the top of the mounting seat (31) and is fixedly installed with an incomplete gear (34); a first rack plate (28) is fixedly installed at the bottom end of the fixing plate (27); the incomplete gear (34) is meshingly connected with the first rack plate (28); both sides of the first rack plate (28) are fixedly installed with limit blocks (35); two limit frames (30) are fixedly installed at the top of the mounting seat (31); limit rods (29) are fixedly installed inside the two limit frames (30); the two limit rods (29) are respectively slidably connected with the limit blocks (35); The upper portion of the connecting frame (12) is rotatably connected to a rotating plate (15); a mounting plate (19) is fixedly mounted on one side of the rotating plate (15); a water distribution pipe (20) is fixedly mounted on one side of the mounting plate (19); one side of the water distribution pipe (20) is connected to a plurality of atomizing nozzles (21); a box (5) is fixedly mounted on the mounting frame (1); the top end of the box (5) is connected to a water inlet pipe (4); a water pump (7) is fixedly mounted on the top end of the box (5); the water pump (7) is connected to the box (5) via a water pump; the other end of the water pump (7) is connected to a connecting pipe (8); one end of the connecting pipe (8) is connected to the water distribution pipe (20).

2. The dust prevention equipment for use in coal mines according to claim 1 is characterized in that: A fixing plate (27) is fixedly mounted on the top of the first rack plate (28), a fixing frame (25) is fixedly mounted on the top of the fixing plate (27), a first motor (26) is fixedly mounted inside the fixing frame (25), an output shaft of the first motor (26) extends to the outer end of the fixing frame (25) and a screw rod (23) is fixedly mounted thereon, a lifting plate (24) is threadedly connected to the screw rod (23), two guide grooves (37) are provided inside the fixing frame (25), guide rods (36) are fixedly mounted inside the two guide grooves (37), two guide blocks (38) are fixedly mounted on the lifting plate (24), and the two guide blocks (38) are respectively slidably connected to the guide rods (36).

3. The dust prevention equipment for underground coal mines according to claim 2 is characterized in that: A fixed box (10) is fixedly installed on the top of the lifting plate (24), and a rotating shaft (11) is rotatably connected inside the fixed box (10) through a bearing. The rotating shaft (11) is located in the inner cavity of the fixed box (10) and is fixedly installed with a gear (39). A connecting rod (41) is slidably connected to one side of the fixed box (10), and a pulling plate (9) is fixedly installed on one end of the connecting rod (41). The other end of the connecting rod (41) extends to the inner cavity of the fixed box (10) and is fixedly installed with a second rack plate (42), and the second rack plate (42) is meshingly connected with the gear (39).

4. The dust prevention equipment for use in coal mines according to claim 3 is characterized in that: A spring (40) is sleeved on the connecting rod (41), and two ends of the spring (40) are respectively fixedly connected to the inner wall of the fixed box (10) and the second rack plate (42).

5. The dust prevention equipment for underground coal mines according to claim 3 is characterized in that: A connecting frame (12) is fixedly mounted on the rotating shaft (11), a screw rod (13) is connected to the internal thread of the connecting frame (12), the top end of the screw rod (13) is rotatably connected to a movable plate (14) through a bearing, the top end of the movable plate (14) is rotatably connected to a slider (16), a sliding groove (18) is provided inside the rotating plate (15), a sliding rod (17) is slidably connected inside the sliding groove (18), and the sliding rod (17) is slidably connected to the slider (16).

6. The dust prevention equipment for underground coal mines according to claim 1 is characterized in that: Two push rods (3) are fixedly mounted on one side of the mounting frame (1), and one side of the two push rods (3) is fixedly mounted on the same handrail (2).

7. The dust prevention equipment for underground coal mines according to claim 1 is characterized in that: Four brake universal wheels (32) are fixedly mounted on the bottom end of the mounting frame (1).

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