Dust screen for coal mining

Abstract

The utility model discloses a dust-proof net for coal mining in the technical field of dust-proof nets, which comprises a ventilation dust-proof mechanism, the ventilation dust-proof mechanism comprises a ventilation dust-proof plate and a surface cleaning component, the ventilation dust-proof plate is used for dust prevention of an air inlet of an underground ventilation shaft for coal mining, and the surface cleaning component is mounted on one side of the ventilation dust-proof plate. The ventilation dustproof plate comprises a first supporting part, a second supporting part is installed on one side of the first supporting part, a ventilation dustproof part is further arranged between the second supporting part and the first supporting part, the surface cleaning assembly comprises a metal support, and the inner sides of the two ends of the metal support are rotationally connected with two sets of rolling wheels correspondingly. According to the scheme, the rolling brush can automatically clean coal ash and other particulate matter impurities on the surface of the activated carbon filter plate when the metal support slides manually, the cleaning process is optimized through the design, it is guaranteed that the surface of the activated carbon filter plate is kept clean, and therefore the situation that the ventilation efficiency is reduced due to impurity accumulation is avoided; and meanwhile, the burden of maintenance work is also greatly reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of dustproof nets, in particular to a dustproof net used in coal mine mining. Background Art

[0002] Coal mining activities are mainly carried out through two methods: underground mining and open-pit mining. Underground mining is a mining method carried out below the ground, which requires drilling and digging tunnels to reach the coal seam and then mine the coal. Open-pit mining is a mining method carried out directly on the ground. This method is suitable for areas with shallow coal seams or suitable terrain conditions.

[0003] In the underground mining process, in order to ensure the safety and health of miners, it is necessary to maintain good air circulation by setting up ventilation shafts. The air inlet of the ventilation shaft is the key part for air inlet and outlet. In order to prevent coal ash and other impurities from entering the ventilation system through these air inlets and eventually being discharged into the atmosphere, dust screens are usually installed at the air inlet of the ventilation shaft. At present, most of the dust screens used in ventilation shafts are fixed integrated designs. This design makes the overall structure of the dust screen stable, but it also brings some limitations. The existing dust screen design does not allow users to disassemble, connect or replace the filter element as needed, which causes inconvenience in maintenance and cleaning. Especially in underground drilling environments, this design limits the practicality and efficiency of the dust screen.

[0004] To overcome these limitations, we proposed a new type of dust screen for coal mining. Utility Model Content

[0005] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0006] Therefore, the purpose of the utility model is to provide a dust-proof net for coal mining, which can solve the inconvenience of existing dust-proof nets in maintenance and cleaning, as well as the problems of limited practicality and efficiency in underground drilling environments.

[0007] In order to solve the above technical problems, the utility model provides a dust-proof net for coal mining, which adopts the following technical scheme: comprising a ventilation and dust-proof mechanism, the ventilation and dust-proof mechanism comprising a ventilation and dust-proof plate and a surface cleaning component for dust prevention at the air inlet of an underground ventilation shaft in coal mining, the surface cleaning component being installed on one side of the ventilation and dust-proof plate;

[0008] The ventilation and dustproof panel comprises a first supporting component, a second supporting component is installed on one side of the first supporting component, and a ventilation and dustproof component is further arranged between the second supporting component and the first supporting component;

[0009] The surface cleaning component comprises a metal bracket, two sets of rollers are rotatably connected to the inner sides of both ends of the metal bracket, and a surface cleaning component is also arranged on the inner side of the top of the metal bracket.

[0010] By adopting the above technical scheme, the dust-proof net for coal mining of the utility model is optimized in design for the special environment of underground coal mines, especially in the structure of the ventilation and dust-proof mechanism, wherein the ventilation and dust-proof mechanism includes a ventilation and dust-proof plate, a first supporting component, a second supporting component and a key ventilation and dust-proof component. The design of the first supporting component and the second supporting component not only provides a solid supporting structure for the ventilation and dust-proof component, but also facilitates the disassembly and connection of the dust-proof component. This structure enables the ventilation and dust-proof component to be conveniently replaced and maintained according to actual use and maintenance requirements, greatly improving the adaptability of the underground ventilation system for coal mining;

[0011] The utility model discloses a dust-proof net for coal mining, which is equipped with a surface cleaning component on the outside of the ventilation and dust-proof plate of the dust-proof net. The component is composed of a metal bracket, a roller and a surface cleaning component, wherein the metal bracket is equipped with a high-efficiency roller brush, which can automatically clean the coal ash and other particulate impurities on the surface of the activated carbon filter plate when the metal bracket is manually slid. This design not only optimizes the cleaning process and ensures that the surface of the activated carbon filter plate remains clean, thereby avoiding the decrease in ventilation efficiency due to the accumulation of impurities, but also greatly reduces the burden of maintenance work. Through this mechanism, the maintenance of the dust-proof net is more efficient, ensuring the long-term effective operation of the dust-proof system in underground coal mining and the continuous optimization of ventilation quality. This scheme significantly improves the practicability of the ventilation and dust-proof mechanism, and enhances its stability and efficiency in the complex underground mine environment.

[0012] Optionally, the surface cleaning component includes a triangular top plate, and a roller brush is rotatably connected to the bottom of the triangular top plate.

[0013] By adopting the above technical solution, this solution uses a roller brush that is rotatably connected to the bottom of the triangular top plate. The roller brush can wipe and clean the particulate impurities such as coal ash adhered to the surface of the ventilation and dust-proof components, thereby preventing particulate impurities such as coal ash from adhering to the surface of the ventilation and dust-proof components and causing a decrease in the ventilation capacity of the underground ventilation shaft.

[0014] Optionally, the first supporting component includes a fixed base plate, and a supporting frame is installed on the top of the fixed base plate.

[0015] By adopting the above technical solution, the solution uses a support frame installed on the top of the fixed bottom plate to limit the connection of the ventilation and dustproof components.

[0016] Optionally, the second supporting component includes a fixed top plate, a through groove is formed in the middle of the fixed top plate, and fixing holes are formed at four corners of the fixed top plate and the supporting frame, respectively.

[0017] By adopting the above technical solution, the present solution can limit and fix the ventilation and dustproof component between the fixed top plate and the supporting frame through the fixing holes respectively opened at the four corners of the fixed top plate and the supporting frame.

[0018] Optionally, the ventilation and dust prevention component includes an activated carbon filter plate, which matches the supporting frame structure. The activated carbon filter plate is provided with retaining grooves around the top and bottom, respectively, and the retaining grooves match the through-groove structure.

[0019] By adopting the above technical solution, the activated carbon filter plate in this solution is matched with the support frame structure, and the activated carbon filter plate can be connected in a limited position in the cavity of the support frame.

[0020] Optionally, a limit stop frame is arranged around the bottom of the support frame, and the limit stop frame matches the stop groove structure. Guide sliding grooves are also respectively opened on both sides of the outside of the support frame.

[0021] By adopting the above technical solution, this solution can play a role of limiting and blocking the bottom of the activated carbon filter plate connected to the cavity of the support frame by installing a limit stop frame around the bottom of the support frame, and the limit stop frame matches the stop groove structure.

[0022] Optionally, the guide groove matches the roller structure, and there is rolling contact between the guide groove and the roller.

[0023] By adopting the above technical solution, this solution adopts the structural design of rolling contact between the guide groove and the roller, and manually slides to adjust the surface cleaning component installed on the outside of the ventilation and dustproof panel. The roller brush can wipe and clean the particulate impurities such as coal ash adhered to the surface of the activated carbon filter plate.

[0024] Optionally, a plurality of groups of grooves are respectively formed on one side of the triangular top plate and the metal bracket, a telescopic connecting rod is connected between two groups of the grooves, and a compression spring is also sleeved on the outside of the telescopic connecting rod.

[0025] By adopting the above technical solution, this solution can provide necessary elastic support for the roller brush by adding a telescopic connecting rod and a compression spring between the two groups of grooves, so that the roller brush can automatically adjust the pressure according to the size and hardness of the particles on the surface when contacting the activated carbon filter plate. Such an elastic adjustment mechanism ensures that the roller brush will not damage the surface of the activated carbon filter plate when removing coal ash and other particles, and can also effectively remove all impurities attached to the surface of the activated carbon filter plate.

[0026] In summary, the present invention has at least one of the following beneficial effects:

[0027] 1. The dust-proof net for coal mining of the utility model is optimized in design for the special environment of underground coal mines, especially in the structure of the ventilation and dust-proof mechanism, wherein the ventilation and dust-proof mechanism includes a ventilation and dust-proof plate, a first supporting component, a second supporting component and a key ventilation and dust-proof component. The design of the first supporting component and the second supporting component not only provides a solid supporting structure for the ventilation and dust-proof component, but also facilitates the disassembly and connection of the dust-proof component. This structure enables the ventilation and dust-proof component to be conveniently replaced and maintained according to actual use and maintenance requirements, greatly improving the adaptability of the underground ventilation system for coal mining;

[0028] 2. The utility model provides a surface cleaning component on the outside of the ventilation and dustproof panel of the dustproof net for coal mining, wherein the metal bracket is equipped with a high-efficiency roller brush, which can automatically clean the coal ash and other particulate impurities on the surface of the activated carbon filter plate when the metal bracket is manually slid. This design not only optimizes the cleaning process and ensures that the surface of the activated carbon filter plate remains clean, thereby avoiding the decrease in ventilation efficiency due to the accumulation of impurities, but also greatly reduces the burden of maintenance work. Through this mechanism, the maintenance of the dustproof net is more efficient, ensuring the long-term effective operation of the dustproof system in underground coal mining and the continuous optimization of ventilation quality. This solution significantly improves the practicability of the ventilation and dustproof mechanism, and enhances its stability and efficiency in complex underground mining environments. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for describing the embodiments are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0030] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0031] Figure 2This is a schematic diagram of the structure of the ventilation and dustproof plate of the utility model;

[0032] Figure 3 This is a schematic diagram of the structure of the surface cleaning component of the utility model;

[0033] Figure 4 This is a schematic diagram of the disassembly of the ventilation and dustproof panel of the utility model;

[0034] Figure 5 This is a schematic diagram of the compression spring structure of the utility model.

[0035] Explanation of the accompanying drawings: 100, ventilation and dust prevention mechanism; 101, ventilation and dust prevention plate; 101a, first supporting component; 101a-1, fixed bottom plate; 101a-2, supporting frame; 101a-2a, limit stop frame; 102a-2b, guide slide groove; 101b, second supporting component; 101b-1, fixed top plate; 101b-2, through groove; 101b-3, fixing hole; 101c, ventilation and dust prevention component; 101c-1, activated carbon filter plate; 101c-2, stop groove; 102, surface cleaning component; 102a, metal bracket; 102b, roller; 102c, surface cleaning component; 102c-1, triangular top plate; 102c-1a, groove; 102c-1b, telescopic connecting rod; 102c-1c, compression spring; 102c-2, roller brush. DETAILED DESCRIPTION

[0036] The following is combined with Figure 1-5 The utility model is described in further detail.

[0037] Embodiment 1, refer to Figure 1-3 The utility model discloses a dust-proof net for coal mining.

[0038] The ventilation and dust prevention mechanism 100 includes a ventilation and dust prevention plate 101 and a surface cleaning component 102 for preventing dust at an air inlet of an underground ventilation shaft in coal mining. The surface cleaning component 102 is installed on one side of the ventilation and dust prevention plate 101;

[0039] The ventilation and dustproof panel 101 comprises a first supporting component 101a, a second supporting component 101b is installed on one side of the first supporting component 101a, and a ventilation and dustproof component 101c is further arranged between the second supporting component 101b and the first supporting component 101a;

[0040] The surface cleaning assembly 102 includes a metal bracket 102a. Two sets of rollers 102b are rotatably connected to the inner sides of both ends of the metal bracket 102a. A surface cleaning component 102c is also provided on the inner side of the top of the metal bracket 102a.

[0041] The surface cleaning component 102c includes a triangular top plate 102c-1, and a roller brush 102c-2 is rotatably connected to the bottom of the triangular top plate 102c-1. The roller brush 102c-2 is rotatably connected to the bottom of the triangular top plate 102c-1, and the roller brush 102c-2 can wipe and clean particulate impurities such as coal ash adhered to the surface of the ventilation and dust prevention component 101c, thereby preventing particulate impurities such as coal ash from adhering to the surface of the ventilation and dust prevention component 101c and causing a decrease in the ventilation capacity of the underground ventilation shaft.

[0042] Example 2, refer to Figure 4 In this embodiment, in order to solve the inconvenience of the existing dust-proof net in maintenance and cleaning and the problem of limited practicality and efficiency in underground drilling environment, based on the same concept as the above-mentioned embodiment 1, the dust-proof net for coal mining also includes:

[0043] The first supporting component 101a includes a fixed bottom plate 101a-1, and a supporting frame 101a-2 is installed on the top of the fixed bottom plate 101a-1. The supporting frame 101a-2 installed on the top of the fixed bottom plate 101a-1 is used for limiting connection of the ventilation and dustproof component 101c.

[0044] The second supporting component 101b includes a fixed top plate 101b-1, a through groove 101b-2 is opened in the middle of the fixed top plate 101b-1, and fixing holes 101b-3 are respectively opened at the four corners of the fixed top plate 101b-1 and the supporting frame 101a-2. The ventilation and dustproof component 101c can be limited and fixed between the fixed top plate 101b-1 and the supporting frame 101a-2 through the fixing holes 101b-3 opened at the four corners of the fixed top plate 101b-1 and the supporting frame 101a-2.

[0045] The ventilation and dust prevention component 101c includes an activated carbon filter plate 101c-1, which matches the structure of the supporting frame 101a-2. The activated carbon filter plate 101c-1 is provided with retaining grooves 101c-2 around the top and bottom respectively, and the retaining grooves 101c-2 match the structure of the through groove 101b-2. The activated carbon filter plate 101c-1 in this scheme matches the structure of the supporting frame 101a-2, and the activated carbon filter plate 101c-1 can be limitedly connected in the cavity of the supporting frame 101a-2.

[0046] Example 3, refer to Figure 3-5 In this embodiment, in order to solve the inconvenience of the existing dust-proof net in maintenance and cleaning and the problem of limited practicality and efficiency in underground drilling environment, based on the same concept as the above-mentioned embodiment 1, the dust-proof net for coal mining also includes:

[0047] A limit stop frame 101a-2a is set around the bottom of the supporting frame 101a-2, and the limit stop frame 101a-2a matches the structure of the stop groove 101c-2. Guide grooves 102a-2b are also opened on both sides of the outside of the supporting frame 101a-2. By installing a limit stop frame 101a-2a around the bottom of the supporting frame 101a-2, and matching the structure of the limit stop frame 101a-2a with the stop groove 101c-2, the bottom of the activated carbon filter plate 101c-1 connected in the cavity of the supporting frame 101a-2 can be limited and blocked.

[0048] The guide groove 102a-2b is matched with the roller 102b in structure, and there is rolling contact between the guide groove 102a-2b and the roller 102b. Through the structural design of rolling contact between the guide groove 102a-2b and the roller 102b, the surface cleaning component 102 installed on the outside of the ventilation and dustproof panel 101 is adjusted manually by sliding, and the roller brush 102c-2 can wipe and clean the particulate impurities such as coal ash adhered to the surface of the activated carbon filter plate 101c-1.

[0049] Several groups of grooves 102c-1a are respectively provided on one side of the triangular top plate 102c-1 and the metal bracket 102a, and a telescopic connecting rod 102c-1b is connected between the two groups of grooves 102c-1a. A compression spring 102c-1c is also sleeved on the outside of the telescopic connecting rod 102c-1b. The telescopic connecting rod 102c-1b and the compression spring 102c-1c installed between the two groups of grooves 102c-1a can provide necessary elastic support for the roller brush 102c-2, so that the roller brush 102c-2 can automatically adjust the pressure according to the size and hardness of the particles on the surface when it contacts the activated carbon filter plate 101c-1. Such an elastic adjustment mechanism ensures that the roller brush 102c-2 will not damage the surface of the activated carbon filter plate 101c-1 when removing coal ash and other particles, and can also effectively remove all impurities attached to the surface of the activated carbon filter plate 101c-1.

[0050] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A dust-proof net for coal mining, comprising a ventilation and dust-proof mechanism (100), characterized in that: The ventilation and dust prevention mechanism (100) comprises a ventilation and dust prevention plate (101) and a surface cleaning component (102) for preventing dust at an air inlet of an underground ventilation shaft in coal mining, wherein the surface cleaning component (102) is installed on one side of the ventilation and dust prevention plate (101); The ventilation and dustproof panel (101) comprises a first supporting component (101a), a second supporting component (101b) is installed on one side of the first supporting component (101a), and a ventilation and dustproof component (101c) is further arranged between the second supporting component (101b) and the first supporting component (101a); The surface cleaning component (102) comprises a metal bracket (102a), two sets of rollers (102b) are rotatably connected to the inner sides of both ends of the metal bracket (102a), and a surface cleaning component (102c) is also arranged on the inner side of the top of the metal bracket (102a).

2. A dust-proof net for coal mining according to claim 1, characterized in that: The surface cleaning component (102c) comprises a triangular top plate (102c-1), and a rolling brush (102c-2) is rotatably connected to the bottom of the triangular top plate (102c-1).

3. A dust-proof net for coal mining according to claim 2, characterized in that: The first supporting component (101a) comprises a fixed bottom plate (101a-1), and a supporting frame (101a-2) is installed on the top of the fixed bottom plate (101a-1).

4. A dust-proof net for coal mining according to claim 3, characterized in that: The second supporting component (101b) comprises a fixed top plate (101b-1), a through groove (101b-2) is provided in the middle of the fixed top plate (101b-1), and fixing holes (101b-3) are respectively provided at the four corners of the fixed top plate (101b-1) and the supporting frame (101a-2).

5. A dust-proof net for coal mining according to claim 4, characterized in that: The ventilation and dust prevention component (101c) comprises an activated carbon filter plate (101c-1), the activated carbon filter plate (101c-1) matches the structure of the support frame (101a-2), and retaining grooves (101c-2) are respectively provided around the top and bottom of the activated carbon filter plate (101c-1), and the retaining grooves (101c-2) match the structure of the through groove (101b-2).

6. A dust-proof net for coal mining according to claim 5, characterized in that: A limit stop frame (101a-2a) is arranged around the bottom of the support frame (101a-2), the limit stop frame (101a-2a) matches the stop groove (101c-2) structure, and guide sliding grooves (102a-2b) are respectively provided on both sides of the outside of the support frame (101a-2).

7. A dust-proof net for coal mining according to claim 6, characterized in that: The guide slide groove (102a-2b) matches the roller (102b) in structure, and there is rolling contact between the guide slide groove (102a-2b) and the roller (102b).

8. The dust-proof net for coal mining according to claim 2, characterized in that: A plurality of groups of grooves (102c-1a) are respectively provided on one side of the triangular top plate (102c-1) and the metal bracket (102a); a telescopic connecting rod (102c-1b) is connected between two groups of the grooves (102c-1a); and a compression spring (102c-1c) is also sleeved on the outside of the telescopic connecting rod (102c-1b).

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