Ventilation device for coal mine tunneling roadway

By installing secondary filtration components and automatic cleaning brushes in the ventilation system of coal mine tunnels, the problems of poor dust filtration and filter plate clogging have been solved, achieving efficient ventilation and low-cost maintenance.

CN224049387UActive Publication Date: 2026-03-27ANHUI HENGYUAN COAL & ELECTRICITY CO LTD WUGOU COAL MINE
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-03-27

AI Technical Summary

Technical Problem

Existing ventilation devices for coal mine tunneling have limited filtration efficiency, making it difficult to effectively remove dust. Furthermore, the filter components are prone to clogging, making cleaning inconvenient and increasing maintenance costs.

Method used

A ventilation device was designed, which includes an air extraction component, a first filter component, and a second filter component. It adopts a secondary filtration structure and uses a second rotating shaft to drive a cleaning brush to automatically clean the filter plates and prevent clogging.

Benefits of technology

It achieves efficient filtration of dust in the air, ensures ventilation quality, reduces manual cleaning workload and maintenance costs, and improves ventilation efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of coal mine ventilation, in particular to a ventilation device for a coal mine tunneling roadway, which comprises a base, the upper surface of the base is fixedly connected with a machine body and a ventilation mechanism, and the ventilation mechanism comprises an air exhaust assembly, a first filter assembly and a second filter assembly. The air exhaust assembly comprises a motor fixedly arranged on the upper end face of the machine body, and the output end of the motor is fixedly connected with a first rotating shaft. By means of the first filtering assembly and the second filtering assembly, air in a coal mine tunneling roadway can be filtered twice, so that dust and impurities doped in the air are effectively removed, the ventilation quality is improved, by means of the air draft assembly, the device achieves the basic ventilation function, and meanwhile the ventilation effect is improved. The first cleaning brush and the second cleaning brush are driven by the second rotating shaft to clean the first filter plate and the second filter plate, so that the filter plates are prevented from being blocked, and the ventilation efficiency is ensured.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of coal mine ventilation, specifically relates to a kind of ventilation device for coal mine tunneling roadway. BACKGROUND

[0002] In the process of coal mining, tunneling roadway will continuously produce a large amount of dust, which mainly comes from rock crushing, coal mining and mechanical transportation, on the one hand, the dust with large particle size is easy to settle in the roadway, which not only affects the visibility in the roadway, but also causes wear and tear to the mechanical equipment, shortens the service life of the equipment, increases the maintenance cost, on the other hand, inhalable dust can enter the lungs with the breathing of workers, and long-term accumulation can cause pneumoconiosis and other serious occupational diseases, thereby threatening the health of workers, so a ventilation device for coal mine tunneling roadway is needed to be used together.

[0003] After searching, the patent document with publication number CN222526340U discloses a ventilation device for coal mine tunneling roadway, which comprises a base, a ventilation box and a first water pump, the ventilation box is fixedly connected to the top of the base, the first water pump is fixedly connected to the top of the ventilation box, the top of the base is also fixedly connected with a water treatment box, the top of the water treatment box is fixedly connected with a second water pump, and the side of the water treatment box is provided with a replacement door, which can effectively utilize the underground wastewater to spray and purify the underground air, is convenient to use and more water-saving and environmentally friendly.

[0004] The above-mentioned prior art often has the following problems when in use:

[0005] The existing ventilation device for coal mine tunneling roadway has some shortcomings when in use, on the one hand, the filtering effect of the existing device is limited, and it is difficult to effectively filter out the dust in the air, which leads to the discharged air still not meeting the safety standards, on the other hand, the filtering component is easy to be clogged by dust after a period of use, which affects the ventilation efficiency, and the cleaning of the filtering assembly of the traditional device is relatively inconvenient, which requires frequent disassembly and cleaning by manual work, increases the maintenance cost and workload, and corresponding solutions are needed. UTILITY MODEL CONTENT

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a ventilation device for coal mine tunneling roadway, which can effectively solve the problems of lack of efficient filtering measures for air dust and lack of cleaning measures for filtering components.

[0007] To achieve the above purpose, the utility model realizes the following technical solutions:

[0008] The utility model provides a ventilation device for coal mine tunneling roadway, which comprises a base, and the upper surface of the base is fixedly connected with an organism;

[0009] The ventilation mechanism comprises a suction assembly, a first filter assembly and a second filter assembly, the suction assembly comprises a motor fixedly arranged on the upper end surface of the body, the output end of the motor is fixedly connected with a first rotating shaft, the inner wall of the body is fixedly connected with a mounting cylinder through a support, a second rotating shaft is arranged in the body, the second rotating shaft is rotatably connected to the two side walls of the mounting cylinder through bearings, the first rotating shaft is rotatably connected to the inner wall of the mounting cylinder through a bearing, the bottom end of the first rotating shaft is fixedly connected with a first bevel gear, the circumferential surface of the second rotating shaft is fixedly connected with a second bevel gear, the first bevel gear is engaged with the second bevel gear, and the circumferential surface of the second rotating shaft is fixedly connected with suction fan blades.

[0010] According to the ventilation device for a coal mine tunneling roadway, the first filter assembly comprises a first filter plate fixedly connected to the inner wall of the body, the second rotating shaft is rotatably connected to the side wall of the first filter plate through a bearing, and the circumferential surface of the second rotating shaft is fixedly connected with a plurality of first cleaning brushes.

[0011] According to the ventilation device for a coal mine tunneling roadway, the second filter assembly comprises an air outlet pipe communicated with the side wall of the body, the inner wall of the air outlet pipe is fixedly connected with a second filter plate, the second rotating shaft is rotatably connected to the side wall of the second filter plate through a bearing, and the circumferential surface of the second rotating shaft is fixedly connected with a plurality of second cleaning brushes.

[0012] According to the ventilation device for a coal mine tunneling roadway, the first bevel gear and the second bevel gear are located in the mounting cylinder, and the second rotating shaft is arranged in a concentric mode with the mounting cylinder.

[0013] According to the ventilation device for a coal mine tunneling roadway, the suction fan blades are located in the body and between the first filter plate and the second filter plate.

[0014] According to the ventilation device for a coal mine tunneling roadway, the plurality of first cleaning brushes and the plurality of second cleaning brushes are located on the side, close to the air inlet cover, of the first filter plate and the second filter plate respectively.

[0015] Compared with the prior art, the technical scheme has the following beneficial effects:

[0016] The utility model discloses a first filter assembly and second filter assembly are set up, can carry out twice filtration to the air in the coal mine tunneling roadway, thereby effectively removes the dust and impurity of adulteration in the air, improves the ventilation quality, guarantees the health and safety of the downhole operator, sets up the air draft subassembly, and the device realizes the basic ventilation function, and utilizes the first cleaning brush and second cleaning brush to the first filter plate and second filter plate are cleaned to the first filter plate and second filter plate with no. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, below will to the drawing needed to use in the embodiment or prior art description simple introduction. Obviously, the drawing in the following description only some embodiments of the utility model, for ordinary skilled person in the art comes, under the premise of not paying creative labor, can also obtain other drawings according to these drawings.

[0018] Figure 1 It is the three-dimensional structure analysis schematic drawing of the utility model;

[0019] Figure 2 It is the three-dimensional structure analysis schematic drawing of another view of the utility model;

[0020] Figure 3 It is the three-dimensional structure schematic drawing of the utility model;

[0021] Figure 4 It is Figure 1 The enlarged view of A in the middle.

[0022] Reference numerals: 1, base; 2, machine body; 3, air extraction assembly; 31, motor; 32, primary shaft; 33, installation cylinder; 34, secondary shaft; 35, primary bevel gear; 36, secondary bevel gear; 37, air extraction fan blade; 4, first filter assembly; 41, first filter plate; 42, first cleaning brush; 43, air inlet cover; 5, second filter assembly; 51, air outlet pipe; 52, second filter plate; 53, second cleaning brush. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical scheme and advantage of the embodiment of the utility model more clearly, below will combine the drawing in the embodiment of the utility model, to the technical scheme in the embodiment of the utility model, clear, complete description. Obviously, the described embodiment is the part of the embodiment of the utility model, not all embodiments. Based on the embodiment in the utility model, all other embodiments obtained by ordinary skilled person in the art without making creative labor belong to the scope of the utility model protection.

[0024] The utility model is further described below with reference to the embodiments.

[0025] Embodiment: Refer to Figures 1 to 4 A ventilation device for coal mine tunneling roadway, including base 1, the upper surface of base 1 is fixedly connected with organism 2, ventilation mechanism, ventilation mechanism includes air extraction assembly 3, first filter assembly 4 and second filter assembly 5, air extraction assembly 3 includes motor 31 fixedly installed on the upper end surface of organism 2, the output of motor 31 is fixedly connected with No. 1 rotating shaft 32, the inner wall of organism 2 is fixedly connected with installation cylinder 33 by support, the inner wall of organism 2 is equipped with No. 2 rotating shaft 34, No. 2 rotating shaft 34 is connected by bearing and is rotatably connected to the two sides of the sidewall of installation cylinder 33, No. 1 rotating shaft 32 is rotatably connected by bearing and is rotatably connected to the inner wall of installation cylinder 33, the bottom of No. 1 rotating shaft 32 is fixedly connected with No. 1 bevel gear 35, the circumference of No. 2 rotating shaft 34 is fixedly connected with No. 2 bevel gear 36, No. 1 bevel gear 35 is engaged with No. 2 bevel gear 36, the circumference of No. 2 rotating shaft 34 is fixedly connected with air extraction fan blade 37, No. 1 bevel gear 35 and No. 2 bevel gear 36 are located in installation cylinder 33, No. 2 rotating shaft 34 is concentrically arranged with installation cylinder 33, ensure that air extraction fan blade 37 can normally operate;

[0026] First filter assembly 4 includes first filter plate 41 fixedly connected on the inner wall of organism 2, No. 2 rotating shaft 34 is rotatably connected by bearing and is rotatably connected to the sidewall of first filter plate 41, the circumference of No. 2 rotating shaft 34 is fixedly connected with a plurality of first cleaning brush 42, the one end of organism 2 near first filter plate 41 is communicated with air inlet cover 43, second filter assembly 5 includes air outlet pipe 51 communicated on the sidewall of organism 2, the inner wall of air outlet pipe 51 is fixedly connected with second filter plate 52, No. 2 rotating shaft 34 is rotatably connected by bearing and is rotatably connected to the sidewall of second filter plate 52, the circumference of No. 2 rotating shaft 34 is fixedly connected with a plurality of second cleaning brush 53, air extraction fan blade 37 is located in organism 2, and is located between first filter plate 41 and second filter plate 52, so that two filter assemblies can cooperate with each other, thereby completing the secondary filtration for air, a plurality of first cleaning brush 42 and second cleaning brush 53 are located on the side of first filter plate 41 and second filter plate 52 near air inlet cover 43 respectively.

[0027] The working principle of the utility model is as follows: when needing ventilation, start motor 31, motor 31 drives No. 1 rotating shaft 32 to rotate, No. 1 rotating shaft 32 rotates No. 2 rotating shaft 34 through the meshing of No. 1 bevel gear 35 and No. 2 bevel gear 36, thereby driving air extraction fan blade 37 to rotate, dust-containing air in the coal mine tunneling roadway enters the body 2 from the air inlet cover 43, is primarily filtered through the first filter plate 41 first, removes most of the large particle dust, then the air continues to flow to the second filter plate 52 for secondary filtration, thereby further removing the fine particle dust contained in the air, etc., the filtered air is discharged from the body 2 through the air outlet pipe 51, in the ventilation process, No. 2 rotating shaft 34 drives first cleaning brush 42 and second cleaning brush 53 to clean first filter plate 41 and second filter plate 52 respectively, which can effectively prevent filter plate from being blocked, since there are much dust in the air in the coal mine tunneling roadway, in order to guarantee the working efficiency of the device, first cleaning brush 42 and second cleaning brush 53 need to work continuously and efficiently, so as to ensure that first filter plate 41 and second filter plate 52 have good filtering performance, thereby being conducive to improving the ventilation efficiency of the device.

[0028] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit them; although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: it can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features; and these modifications or replacements will not make the essence of the corresponding technical solutions deviate from the protection scope of the technical solutions of the embodiments of the utility model.

Claims

1. A ventilation device for a coal mine tunneling roadway, characterized by, The utility model relates to a kind of air purifier, including: Base (1), the upper surface of the base (1) is fixedly connected with organism (2); Ventilation mechanism, the ventilation mechanism includes air extraction assembly (3), first filter assembly (4) and second filter assembly (5), the air extraction assembly (3) includes motor (31) fixedly installed on the upper end surface of organism (2), the output end of the motor (31) is fixedly connected with No.

2. The ventilation device for a coal mine tunneling roadway according to claim 1, characterized in that, The first filter assembly (4) includes first filter plate (41) fixedly connected on the inner wall of organism (2), the No.

3. The ventilation device for a coal mine tunneling roadway according to claim 2, characterized in that, The second filter assembly (5) includes air outlet pipe (51) communicated on the side wall of organism (2), the inner wall of the air outlet pipe (51) is fixedly connected with second filter plate (52), the side wall of the No.

4. The ventilation device for a coal mine tunneling roadway according to claim 1, characterized in that, The No.

5. The ventilation device for a coal mine tunneling roadway according to claim 3, characterized in that, The air extraction fan blade (37) is located in organism (2), and is located between first filter plate (41) and second filter plate (52).

6. The ventilation device for a coal mine tunneling roadway according to claim 3, characterized in that, Multiple first cleaning brush (42) and second cleaning brush (53) are located on the side of first filter plate (41) and second filter plate (52) close to air inlet cover (43) respectively.

Citation Information

Patent Citations

  • Ventilation device for coal mine tunneling roadway

    CN222526340U