Ventilation device for coal mine safety

Abstract

The utility model discloses a ventilation device for coal mine safety, which belongs to the technical field of coal mine ventilation and comprises an air pipe, a cross-shaped support is fixedly connected to an inner cavity of the air pipe, a driving motor is fixedly connected to one side of the cross-shaped support, and the output shaft end of the driving motor penetrates through the cross-shaped support to be fixedly connected with fan blades. A rotating handle is manually rotated to drive a screw rod to rotate, a movable plate is driven to move in a transparent cleaning box under the cooperation of a limiting rod, a filter screen with dust and impurities attached to the surface is driven to move into the transparent cleaning box, at the moment, a water source is conveyed to a spraying pipe through a connecting pipe, and the water source is sprayed out through a high-pressure spraying head; dust and impurities on the filter screen are washed away, automatic cleaning of the filter screen is achieved, the filtering effect of the filter screen is ensured, sewage mixed with dust and particles after cleaning can be discharged through a drainage hole in one side of the transparent cleaning box, and the cleaned dust is prevented from rising again and polluting the surrounding environment.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine ventilation, more specifically, relates to a coal mine safety ventilation device. BACKGROUND

[0002] The coal mine ventilation device is the key facility for ensuring the air quality and the safety of the operating personnel in the mine, which maintains a safe working environment by forcibly introducing fresh air and removing air containing harmful gases (such as methane) and dust to ensure good air circulation in the mine to reduce the accumulation of harmful gases and improve the safety of the working environment.

[0003] The patent authorized publication number CN219974549U discloses a coal mine safety ventilation device, relating to the technical field of ventilation device; and the utility model discloses a kind of air outlet pipe, the top surface of the air outlet pipe is fixed with placing plate, the top surface of the placing plate is fixed with water tank, the side of the water tank is fixed with support plate, the bottom surface of the support plate is fixed with water pump, the side of the water pump is fixed with water suction pipe, is connected with external water pipe by inlet pipe, in turn can store water in water tank, then start water pump, to make connecting pipe can extract water in water tank, then from water outlet pipe flow into shunt pipe, then pass through atomizing nozzle to the gas in fixed shell is purified secondly, to be able to purify toxic gas and dust in the ventilation process, so that gas can be discharged from coal mine, avoid toxic gas and dust pollution air, then external pipeline is connected with drain pipe, to collect waste water.

[0004] In the actual use process of prior art, when air flows in the air pipe, dust and impurities are often filtered out by filter screen, since the dust attached to the filter screen is raised again when the operator extracts the filter screen for cleaning, the environment in the mine is polluted again, therefore, the coal mine safety ventilation device is provided. UTILITY MODEL CONTENTS

[0005] 1. TECHNICAL PROBLEM TO BE SOLVED

[0006] In view of the problems existing in the prior art, the utility model provides a coal mine safety ventilation device, which drives the moving plate to move in the transparent cleaning box under the cooperation of the limiting rod by rotating the screw rod driven by manually rotating the handle, moves the filter screen with dust and impurities attached to the surface into the transparent cleaning box, at this time, water source is transported to the spray pipe through the connecting pipe, and is sprayed out through the high-pressure nozzle, to wash away the dust and impurities on the filter screen, realize the automatic cleaning of the filter screen, ensure the filtering effect of the filter screen, and the sewage mixed with dust and particulate matter after cleaning is discharged through the drainage hole on one side of the transparent cleaning box, to prevent the dust cleaned from being raised again and polluting the surrounding environment.

[0007] 2. TECHNICAL SCHEME

[0008] To solve the above problems, the utility model adopts the following technical scheme.

[0009] A coal mine safety ventilation device, including the wind pipe, the wind pipe inner chamber fixedly connected with cross support, cross support one side fixedly connected with drive motor, drive motor output shaft end penetrates cross support fixedly connected with fan blade, the wind pipe inner chamber is provided with filter assembly, the wind pipe outer surface is provided with cleaning assembly, filter assembly, including the filter plate of activity connection in the wind pipe inner chamber, the filter plate inner chamber fixedly connected with filter screen, the wind pipe upper surface fixedly connected with wind speed speedometer, cleaning assembly, including the transparent cleaning box of fixed connection in the wind pipe one side, the transparent cleaning box inner chamber is provided with screw rod, the screw rod one end is rotatably connected with the wind pipe, the screw rod outer surface is connected with the moving plate of screw, the transparent cleaning box inner chamber is fixedly connected with the spray pipe of symmetry.

[0010] Further, the wind pipe outer surface is fixedly connected with a plurality of mounting pieces, and the lower surface of the wind speed speedometer is provided with a speed measuring probe.

[0011] Further, the wind pipe outer surface is fixedly connected with a plurality of mounting pieces, and the lower surface of the wind speed speedometer is provided with a speed measuring probe.

[0012] Further, the screw rod penetrates the transparent cleaning box and is fixedly connected with a handle, and the inner chamber of the moving plate is provided with a limiting rod.

[0013] Further, one end of the limiting rod is fixedly connected with the outer surface of the wind pipe, and the other end of the limiting rod is fixedly connected with the inner wall of the transparent cleaning box.

[0014] Further, one side of the moving plate is fixedly connected with the filter plate, the outer surface of the spray pipe is uniformly communicated with a plurality of high-pressure nozzles, and the upper end of the spray pipe penetrates the transparent cleaning box and is communicated with a connecting pipe.

[0015] 3. Beneficial effects

[0016] Compared with the prior art, the utility model has the advantages that:

[0017] (1) The fan blade is driven to rotate by the drive motor to generate strong airflow, fresh air is forcibly introduced, and air containing harmful gas and dust is discharged, so that the air in the mine flows well, the fine particles and dust in the air are filtered by the filter screen on the filter plate, and the wind speed in the wind pipe is monitored by the wind speed speedometer.

[0018] (2) the scheme is through manual rotation handle screw rotation, drive mobile plate in the cooperation of limiting rod in the transparent cleaning box, drive the filter screen with dust and impurities on the surface to move to the transparent cleaning box, at this time through the connecting pipe to the spray pipe conveying water source, and through the high pressure spray head, wash away the dust and impurities on the filter screen, realize the automatic cleaning of filter screen, ensure the filtering effect of filter screen, the sewage mixed with dust and particulate matter after cleaning will be discharged through the transparent cleaning box one side drain hole, prevent the dust cleaned again from raising, pollute the surrounding environment. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the whole structure schematic view of the utility model;

[0020] Figure 2 It is the half cut internal structure schematic view of the utility model;

[0021] Figure 3 It is the side cut internal structure schematic view of the utility model;

[0022] Figure 4 It is the local structure schematic view of the utility model;

[0023] Figure 5 It is the filter plate structure schematic view of the utility model.

[0024] Mark explanation in drawing:

[0025] 1, air pipe;101, cross support;102, drive motor;103, fan blade;104, mounting piece;2, filter assembly;201, filter plate;202, filter screen;203, wind speed measuring instrument;204, speed measuring probe;3, cleaning assembly;301, transparent cleaning box;302, mobile plate;303, screw;304, handle;305, limiting rod;306, piston;307, spray pipe;308, high pressure spray head;309, connecting pipe. DETAILED DESCRIPTION

[0026] The technical scheme in the embodiments of the utility model will be described clearly and completely below with reference to the drawings in the embodiments of the utility model;Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments;Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0027] In the description of the utility model, it is necessary to explain that the terms "upper", "lower", "inner", "outer", "top / bottom end" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms "first", "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0028] In the description of the utility model, it is necessary to explain that, unless otherwise expressly provided and limited, the terms "mounting", "provided with", "sleeving / connection", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0029] Embodiment 1

[0030] Referring to Figure 1 、 Figure 2 、 Figure 3 With Figure 4 , the utility model discloses a first embodiment, which provides a kind of ventilation device for coal mine safety, including air pipe 1, air pipe 1 inner chamber is fixedly connected with cross support 101, cross support 101 one side is fixedly connected with drive motor 102, drive motor 102 output shaft end is fixedly connected with fan blade 103 and penetrates cross support 101, air pipe 1 inner chamber is provided with filter assembly 2, including the filter plate 201 of movably connected in the inner chamber of air pipe 1, filter plate 201 inner chamber is fixedly connected with filter screen 202, air pipe 1 upper surface is fixedly connected with wind speed speedometer 203.

[0031] Specifically, the outer surface of air pipe 1 is fixedly connected with a plurality of mounting pieces 104, the lower surface of wind speed speedometer 203 is provided with a speed measuring probe 204, and the speed measuring probe 204 is located in the inner chamber of air pipe 1.

[0032] Further, the operator installs the air pipe 1 at multiple places in the coal mine where ventilation is needed through the mounting member 104, and the cross support 101 is used to support and ensure the stability, at this time, the driving motor 102 is started to provide power, and the fan blade 103 is driven to rotate, strong air flow is generated through rotation, fresh air is forcibly introduced, and air containing harmful gases such as methane and dust is discharged, so as to maintain a safe working environment and ensure good air circulation in the mine, when the air flows in the air pipe 1, the fine particles and dust in the air are filtered through the filter screen 202 on the filter plate 201, and the air speed in the air pipe is monitored through the air speed measuring instrument 203, when the filter screen 202 is blocked and the air flow rate is reduced, the air speed measuring instrument 203 detects the reduction of the air speed, so that the operator can know the air flow condition in the air pipe 1 and the use condition of the filter screen 202 in time.

[0033] Embodiment 2

[0034] With reference to Figure 1 、 Figure 2 And Figure 5 , the second embodiment of the utility model, this embodiment is based on the last embodiment, the air pipe 1 outer surface is provided with cleaning assembly 3, including fixedly connected in the air pipe 1 one side transparent cleaning box 301, the transparent cleaning box 301 inner chamber is provided with screw rod 303, and one end of screw rod 303 is rotatably connected with the air pipe 1, and the outer surface of screw rod 303 is threadedly connected with moving plate 302, and the inner chamber of transparent cleaning box 301 is fixedly connected with spray pipe 307.

[0035] Specifically, the transparent cleaning box 301 one side is provided with drain hole and is movably connected with piston 306, one end of screw rod 303 penetrates through transparent cleaning box 301 and is fixedly connected with handle 304, the inner chamber of moving plate 302 is provided with limiting rod 305, one end of limiting rod 305 is fixedly connected with the outer surface of air pipe 1, the other end of limiting rod 305 is fixedly connected with the inner wall of transparent cleaning box 301, one side of moving plate 302 is fixedly connected with filter plate 201, the outer surface of spray pipe 307 is uniformly communicated with multiple high-pressure nozzles 308, and the upper end of spray pipe 307 penetrates through transparent cleaning box 301 and is communicated with connecting pipe 309.

[0036] Further, the operator manually rotates the rotating handle 304 to drive the screw rod 303 to rotate, drive the moving plate 302 to move in the transparent cleaning box 301 under the cooperation of the limiting rod 305, the transparent cleaning box 301 is convenient for internal condition, the moving plate 302 moves and drives the filter screen 202 with dust and impurities attached to the surface to move into the transparent cleaning box 301, at this time, the water source is transported to the spray pipe 307 through the connecting pipe 309 and sprayed out through the high-pressure spray head 308, the dust and impurities on the filter screen 202 are washed away, the automatic cleaning of the filter screen 202 is realized, the filtering effect of the filter screen 202 is ensured, the connecting pipe 309 is connected with the external water source, the sewage mixed with dust and particulate matters is discharged through the drain hole on one side of the transparent cleaning box 301, and the piston 306 can block the drain hole.

[0037] Working principle: in the use process of the device, the driving motor 102 is started to provide power, the fan blade 103 is driven to rotate, strong air flow is generated through rotation, fresh air is forcibly introduced, and air containing harmful gases such as methane and dust is discharged, when the air flows in the air pipe 1, the small particulate matters and dust in the air are filtered out through the filter screen 202 on the filter plate 201, and the air speed in the air pipe is monitored through the air speed measuring instrument 203, when the filter screen 202 is blocked and the air flow rate decreases, the air speed measuring instrument 203 detects the decrease of the air speed, the operator can know the air flow condition in the air pipe 1 and the use condition of the filter screen 202 in time, at this time, the operator manually rotates the rotating handle 304 to drive the screw rod 303 to rotate, drive the moving plate 302 to move in the transparent cleaning box 301 under the cooperation of the limiting rod 305, the transparent cleaning box 301 is convenient for internal condition, the moving plate 302 moves and drives the filter screen 202 with dust and impurities attached to the surface to move into the transparent cleaning box 301, at this time, the water source is transported to the spray pipe 307 through the connecting pipe 309 and sprayed out through the high-pressure spray head 308, the dust and impurities on the filter screen 202 are washed away, the automatic cleaning of the filter screen 202 is realized, and the filtering effect of the filter screen 202 is ensured.

[0038] The above merely describes a preferred specific implementation manner of the present application; however, the protection scope of the present application is not limited to this. Any skilled person in the art can make equivalent replacement or change according to the technical scheme and improvement concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A ventilation device for use in coal mines for safety purposes, comprising a duct (1), characterised in that: The wind pipe (1) inner cavity is fixedly connected with a cross support (101), one side of the cross support (101) is fixedly connected with a driving motor (102), the output shaft end of the driving motor (102) penetrates the cross support (101) and is fixedly connected with a fan blade (103), the wind pipe (1) inner cavity is provided with a filter assembly (2), and the outer surface of the wind pipe (1) is provided with a cleaning assembly (3). The filter assembly (2) comprises a filter plate (201) movably connected in the wind pipe (1), and the inner cavity of the filter plate (201) is fixedly connected with a filter screen (202), and the upper surface of the wind pipe (1) is fixedly connected with a wind speed measuring instrument (203). The cleaning assembly (3) comprises a transparent cleaning box (301) fixedly connected on one side of the wind pipe (1), a screw rod (303) penetratingly arranged in the inner cavity of the transparent cleaning box (301), one end of the screw rod (303) rotatably connected with the wind pipe (1), a moving plate (302) threadedly connected on the outer surface of the screw rod (303), and a spray pipe (307) fixedly connected in the inner cavity of the transparent cleaning box (301).

2. The ventilation device for coal mine safety according to claim 1, characterized in that: The outer surface of the wind pipe (1) is fixedly connected with a plurality of mounting pieces (104), and the lower surface of the wind speed measuring instrument (203) is provided with a speed measuring probe (204).

3. The ventilation device for coal mine safety according to claim 2, characterized in that: The speed measuring probe (204) is located in the inner cavity of the wind pipe (1), and the transparent cleaning box (301) is provided with a drain hole on one side and movably connected with a piston (306).

4. The ventilation device for coal mine safety according to claim 1, characterized in that: One end of the screw rod (303) penetrates the transparent cleaning box (301) and is fixedly connected with a handle (304), and the inner cavity of the moving plate (302) is penetratingly provided with a limiting rod (305).

5. The ventilation device for coal mine safety according to claim 4, characterized in that: One end of the limiting rod (305) is fixedly connected with the outer surface of the wind pipe (1), and the other end of the limiting rod (305) is fixedly connected with the inner wall of the transparent cleaning box (301).

6. The ventilation device for coal mine safety according to claim 1, characterized in that: One side of the moving plate (302) is fixedly connected with the filter plate (201), the outer surface of the spray pipe (307) is uniformly communicated with a plurality of high-pressure nozzles (308), and the upper end of the spray pipe (307) penetrates the transparent cleaning box (301) and is communicated with a connecting pipe (309).

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