Ventilation and dust removal device for coal mine operation
By designing a filter plate and brush inside the hollow cylinder to clean dust, combined with the negative pressure effect generated by the drive motor, the problem of dust covering the fan blade surface is solved, realizing ventilation and dust removal at different heights and reducing safety risks.
Patent Information
- Application Number
- CN202520258333.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-18
- Publication Date
- 2025-12-23
- Estimated Expiration
- 2035-02-18
AI Technical Summary
In existing coal mine operation equipment, the fan blades are easily covered with dust during ventilation and dust removal, which affects ventilation efficiency and makes it difficult to effectively remove dust at different heights, leading to safety risks.
A device comprising a hollow cylinder, a filter plate, a rotating rod, a circular plate, a brush, a drive motor, and a base is designed. The filter plate filters dust, the brush cleans dust, the base is height-adjustable, and the drive motor generates a negative pressure effect to achieve ventilation and dust removal.
It effectively prevents dust accumulation, improves ventilation efficiency, adapts to different heights for dust removal, reduces safety risks, solves the safety problem of dust on the surface of fan blades in existing technologies, realizes the ventilation and dust removal effect of the fan blade ventilation and dust removal device, adapts to different geological and climatic conditions, and reduces the safety risk of coal dust accumulation.
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Figure CN223707713U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the field of coal mine operation, in particular to a ventilation and dust removal device for coal mine operation. BACKGROUND
[0002] Coal mine is a mine for mining coal, and coal is an important energy resource. Ventilation and dust removal are important measures for ensuring the safety of miners, improving operation efficiency and reducing environmental pollution during coal mine operation.
[0003] Some existing devices circulate air at the operation site by fan blades during ventilation and dust removal. However, the surface of the fan blades is covered with dust due to the large amount of coal dust and other particulate matter in the air, which not only affects the ventilation efficiency of the fan blades, but also may cause equipment failure or damage. Moreover, the height of ventilation of some devices is difficult to adjust, and dust removal operation cannot be performed at different height positions. In response to different geology, climate and production environment, the ventilation effect cannot be effectively improved, and safety risks caused by coal dust accumulation are likely to occur. CONTENT OF THE INVENTION
[0004] The ventilation and dust removal device for coal mine operation provided by the present application can prevent dust from accumulating on the fan blades and affecting air circulation and ventilation effect when the device is used. Moreover, dust removal can be performed at different height positions, and safety risks caused by coal dust accumulation can be reduced.
[0005] To achieve the above-mentioned purpose, the present application adopts the following technical scheme: a ventilation and dust removal device for coal mine operation, comprising:
[0006] a hollow cylinder;
[0007] a filter plate fixedly embedded in the inner wall of the hollow cylinder, and a rotating shaft movably embedded in the center of one side of the filter plate, the rotating shaft being rotatable at the center of one side of the filter plate;
[0008] a circular plate slidingly arranged on the outer surface of the rotating shaft, and a plurality of connecting plates fixedly arranged on the outer surface of the circular plate, the circular plate being slidable on the outer surface of the rotating shaft;
[0009] a plurality of brushes arranged on one side of each of the connecting plates, the rotating brushes cleaning the filter plate to prevent dust from accumulating on one side of the filter plate and affecting the circulation of gas;
[0010] a fixed plate threadedly sleeved on the outer surface of the rotating shaft, and a spring fixedly arranged on one side of the fixed plate, the fixed plate and the circular plate being pressed against the spring by rotating the fixed plate, the spring generating a reverse force when being pressed, and further pressing the circular plate.
[0011] As a further improvement of the application, the inner wall of the hollow cylinder is fixedly provided with two supporting rods, the opposite ends of the two supporting rods are provided with driving motors, the output shaft of the driving motor is fixedly provided at one end of a rotating rod, the outer surface of the rotating rod is provided with a fan blade, the external power switch of the driving motor is turned on, the two supporting rods support the driving motor, the driving motor is installed in the hollow cylinder, the output shaft of the driving motor drives the rotating rod to rotate, and the fan blade is further driven to rotate counterclockwise to generate a negative pressure effect and suck the surrounding air.
[0012] As a further improvement of the application, the inner wall of the hollow cylinder is fixedly provided with two supporting rods, the opposite ends of the two supporting rods are provided with driving motors, the output shaft of the driving motor is fixedly provided at one end of a rotating rod, the outer surface of the rotating rod is provided with a fan blade, the external power switch of the driving motor is turned on, the two supporting rods support the driving motor, the driving motor is installed in the hollow cylinder, the output shaft of the driving motor drives the rotating rod to rotate, and the fan blade is further driven to rotate counterclockwise to generate a negative pressure effect and suck the surrounding air.
[0013] As a further improvement of the application, the outer surface of the hollow cylinder is fixedly provided with a first bottom column, the outer surface of the first bottom column is movably sleeved with a second bottom column, and the first bottom column can slide at the inner wall of the second bottom column.
[0014] As a further improvement of the application, the outer surface of the hollow cylinder is fixedly provided with a first bottom column, the outer surface of the first bottom column is movably sleeved with a second bottom column, and the first bottom column can slide at the inner wall of the second bottom column.
[0015] As a further improvement of the application, the outer surface of the hollow cylinder is fixedly provided with a first bottom column, the outer surface of the first bottom column is movably sleeved with a second bottom column, and the first bottom column can slide at the inner wall of the second bottom column.
[0016] As a further improvement of the application, the outer surface of the hollow cylinder is fixedly provided with a first bottom column, the outer surface of the first bottom column is movably sleeved with a second bottom column, and the first bottom column can slide at the inner wall of the second bottom column.
[0017] As a further improvement of the application, the outer surface of the hollow cylinder is fixedly provided with a first bottom column, the outer surface of the first bottom column is movably sleeved with a second bottom column, and the first bottom column can slide at the inner wall of the second bottom column.
[0018] Compared with the prior art, the application has the advantages and positive effects that,
[0019] 1、The application, when carrying out dust removal, is connected with a ventilation pipeline through a connecting port, at this time the external power switch of the driving motor is turned on, the two supporting rods have a supporting effect on the driving motor, so that the driving motor is installed inside the hollow cylinder, the driving motor output shaft drives the rotating rod to rotate, further causing the fan blades to rotate counterclockwise to generate a negative pressure effect, sucking the surrounding air, the gas is sucked in through the flow guide cover, and is discharged through the connecting port under the pushing of the fan blades, when the gas is discharged, the dust in the gas is filtered through the filter plate, preventing the dust from being sucked into the inside of the hollow cylinder together, causing the dust to accumulate on the outer surface of the fan blades, affecting air circulation and ventilation effect, the circular plate can slide on the outer surface of the rotating rod, the fixed plate and the circular plate extrude the spring by rotating the fixed plate, the spring will generate a reverse force when extruded, further extruding the circular plate, the circular plate can slide on the outer surface of the rotating rod, at this time, due to the action of the spring, the circular plate pushes the plurality of connecting plates, further causing one side of the plurality of brush bristles to tightly adhere to one side of the filter plate, the rotating rod drives the circular plate to rotate when rotating, further driving the plurality of brushes to rotate through the plurality of connecting plates, the rotating plurality of brushes clean the filter plate, preventing dust from accumulating on one side of the filter plate, affecting the circulation of the gas, so that when the device is used, dust can be prevented from accumulating on the flow guide cover, affecting air circulation and ventilation effect, and the effect is better.
[0020] 2、The application, when using the device to ventilate and remove dust at the coal mine operation site, the device is placed at the operation site, the base supports the entire device, the first bottom column can slide on the inner wall of the second bottom column, the limiting rod is removed from the second bottom column by pulling it, at this time, the hollow cylinder can be at different height positions by pulling it, when the required height is obtained, the position of the first bottom column is fixed by inserting the limiting rod into the second bottom column and one of the through holes, further fixing the hollow cylinder at the required height, the two reinforcing plates have a reinforcing effect on the second bottom column, so that when the device is used, dust removal can be carried out at different height positions, reducing the safety risk caused by coal dust accumulation. BRIEF DESCRIPTION OF DRAWINGS
[0021] Figure 1 It is a front view of a coal mine operation ventilation and dust removal device proposed in the application.
[0022] Figure 2 It is a rear view of a coal mine operation ventilation and dust removal device proposed in the application.
[0023] Figure 3 It is a sectional view of a hollow cylinder of a coal mine operation ventilation and dust removal device proposed in the application.
[0024] Figure 4 It is a sectional view of a hollow cylinder of a coal mine operation ventilation and dust removal device proposed in the application.
[0025] Figure 5 For Figure 4 Enlarged view at A in Figure.
[0026] Legend: 1, hollow cylinder; 2, filter plate; 201, rotating rod; 202, circular plate; 203, connecting plate; 204, brush; 205, fixed plate; 206, spring; 207, support rod; 208, driving motor; 209, connecting port; 210, fan blade; 211, drainage cover; 3, first bottom column; 301, second bottom column; 302, base; 303, reinforcing plate; 304, limiting rod; 305, through hole. DETAILED DESCRIPTION
[0027] In order to enable the above-mentioned purposes, features and advantages of the present application to be more clearly understood, the present application will be further described below with reference to the accompanying drawings and examples. It should be noted that the examples of the present application and the features in the examples can be combined with each other without conflict.
[0028] In the following description, many specific details are set forth in order to provide a thorough understanding of the present application, however, the present application can also be implemented in other ways different from those described herein, therefore, the present application is not limited to the specific examples disclosed in the following description.
[0029] Example 1, as Figures 1 to 5 shown, the present application provides a coal mine operation ventilation and dust removal device, the device comprises:
[0030] hollow cylinder 1;
[0031] filter plate 2, fixedly embedded in the inner wall of hollow cylinder 1, and a rotating rod 201 is movably embedded in the center of one side of the filter plate 2, the rotating rod 201 can rotate at the center of one side of the filter plate 2;
[0032] circular plate 202, slidingly arranged on the outer surface of the rotating rod 201, and a plurality of connecting plates 203 are fixedly arranged on the outer surface of the circular plate 202, the circular plate 202 can slide on the outer surface of the rotating rod 201;
[0033] a plurality of brushes 204 are arranged on one side of the plurality of connecting plates 203 respectively, the rotating plurality of brushes 204 clean the filter plate 2, preventing dust from accumulating on one side of the filter plate 2 and affecting the circulation of gas;
[0034] fixed plate 205, threaded sleeve arranged on the outer surface of the rotating rod 201, and a spring 206 is fixedly arranged on one side of the fixed plate 205, by rotating the fixed plate 205, the fixed plate 205 and the circular plate 202 are pressed against the spring 206, and the spring 206 generates a reverse force when it is pressed, further pressing the circular plate 202.
[0035] As shown in Figures 1 to 5 The inner wall of the hollow cylinder 1 is fixedly provided with two support rods 207, and the opposite ends of the two support rods 207 are provided with a driving motor 208. The output shaft of the driving motor 208 is fixedly arranged at one end of a rotating rod 201, and the outer surface of the rotating rod 201 is provided with a fan blade 210. The external power switch of the driving motor 208 is turned on, and the two support rods 207 support the driving motor 208, so that the driving motor 208 is installed in the interior of the hollow cylinder 1. The output shaft of the driving motor 208 drives the rotating rod 201 to rotate, and further drives the fan blade 210 to rotate counterclockwise to generate a negative pressure effect and suck the surrounding air.
[0036] As shown in Figures 1 to 5 One side of the hollow cylinder 1 is fixedly provided with a drainage cover 211, and the side of the hollow cylinder 1 away from the drainage cover 211 is provided with a connecting port 209. The drainage cover 211 increases the contact area between the hollow cylinder 1 and the air, and the connecting port 209 is connected with a ventilation pipe to discharge the gas.
[0037] As shown in Figures 1 to 5 The outer surface of the hollow cylinder 1 is fixedly provided with a first bottom column 3, and the outer surface of the first bottom column 3 is movably sleeved with a second bottom column 301. The first bottom column 3 can slide at the inner wall of the second bottom column 301.
[0038] As shown in Figures 1 to 5 One side of the second bottom column 301 is fixedly provided with a base 302, and the two sides of the second bottom column 301 are fixedly provided with reinforcing plates 303.
[0039] As shown in Figures 1 to 5 The inner wall of the second bottom column 301 is movably embedded with a limiting rod 304, and one side of the first bottom column 3 is provided with a plurality of through holes 305. The position of the first bottom column 3 is fixed by inserting the limiting rod 304 into the interior of the second bottom column 301 and one of the through holes 305, and the hollow cylinder 1 is further fixed at the required height.
[0040] As shown in Figures 1 to 5 Any one of the through holes 305 is matched with the limiting rod 304, and the limiting rod 304 can be inserted into the interior of any one of the through holes 305.
[0041] As shown in Figures 1 to 5 The two reinforcing plates 303 are fixedly arranged on one side of the base 302, and the two reinforcing plates 303 reinforce the second bottom column 301, further improving the supporting effect of the hollow cylinder 1.
[0042] Working principle: when the device is used for ventilation and dust removal at the coal mine operation site, the device is placed at the operation site, the base 302 supports the whole device, the first bottom column 3 can slide at the inner wall of the second bottom column 301, by pulling the limiting rod 304, it is taken off from the second bottom column 301, at this time, by pulling the hollow cylinder 1, the hollow cylinder 1 can be at different height positions, when the required height is obtained, by inserting the limiting rod 304 into the second bottom column 301 and one of the through holes 305, the position of the first bottom column 3 is fixed, the hollow cylinder 1 is further fixed at the required height, the two reinforcing plates 303 have the reinforcing effect on the second bottom column 301, so that the device can be used for dust removal at different height positions, the safety risk caused by the accumulation of coal dust is reduced, when the dust removal is carried out, the ventilation pipe is connected through the connecting port 209, at this time, the external power switch of the driving motor 208 is turned on, the two supporting rods 207 have the supporting effect on the driving motor 208, so that the driving motor 208 is installed in the hollow cylinder 1, the output shaft of the driving motor 208 drives the rotating rod 201 to rotate, further drives the fan blade 210 to rotate counterclockwise to generate a negative pressure effect, the surrounding air is sucked in, the gas is discharged through the connecting port 209 under the pushing of the fan blade 210, when the gas is discharged, the dust of the gas is filtered through the filter plate 2, so that the dust is prevented from being sucked into the hollow cylinder 1, the dust is prevented from being accumulated on the outer surface of the fan blade 210, the air circulation and the ventilation effect are affected, the circular plate 202 can slide on the outer surface of the rotating rod 201, the fixed plate 205 is rotated to extrude the spring 206 with the circular plate 202, when the spring 206 is extruded, the spring 206 generates a reverse force, further extruding the circular plate 202, the circular plate 202 can slide on the outer surface of the rotating rod 201, at this time, due to the action of the spring 206, the circular plate 202 pushes the plurality of connecting plates 203, further making the plurality of brush 204 bristle sides close to one side of the filter plate 2, when the rotating rod 201 rotates, the circular plate 202 is driven to rotate, further driving the plurality of brush 204 to rotate through the plurality of connecting plates 203, the rotating plurality of brush 204 cleans the filter plate 2, so that the dust is prevented from being accumulated on one side of the filter plate 2, the gas circulation is affected, so that when the device is used, the dust accumulated on the drainage cover 211 is prevented, the air circulation and the ventilation effect are affected, and the effect is good.
[0043] The above is only the preferred embodiment of the application, and does not limit the application in other forms, any person skilled in the art can change or modify the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification of the above embodiments made according to the technical essence of the application still belongs to the protection scope of the technical scheme of the application.
Claims
1. A coal mine operation ventilation dust removal device, characterized in that, The device comprises: A hollow cylinder (1); A filter plate (2) is fixedly embedded on the inner wall of the hollow cylinder (1), and a rotating rod (201) is movably embedded on the center of one side of the filter plate (2); A circular plate (202) is slidably arranged on the outer surface of the rotating rod (201), and a plurality of connecting plates (203) are fixedly arranged on the outer surface of the circular plate (202); A plurality of brushes (204) are arranged on one side of the plurality of connecting plates (203); A fixed plate (205) is threadedly sleeved on the outer surface of the rotating rod (201), and a spring (206) is fixedly arranged on one side of the fixed plate (205).
2. The coal mine operation ventilation dust removal device according to claim 1, characterized in that: Two support rods (207) are fixedly arranged on the inner wall of the hollow cylinder (1), and a driving motor (208) is mounted on the opposite end of the two support rods (207), the output shaft of the driving motor (208) is fixedly arranged on one end of the rotating rod (201), and a fan blade (210) is mounted on the outer surface of the rotating rod (201).
3. The coal mine operation ventilation dust removal device according to claim 1, characterized in that: A drainage cover (211) is fixedly arranged on one side of the hollow cylinder (1), and a connecting port (209) is formed on the side of the hollow cylinder (1) away from the drainage cover (211).
4. The coal mine operation ventilation dust removal device according to claim 1, characterized in that: A first bottom column (3) is fixedly arranged on the outer surface of the hollow cylinder (1), and a second bottom column (301) is movably sleeved on the outer surface of the first bottom column (3).
5. The coal mine operation ventilation dust removal device according to claim 4, characterized in that: A base (302) is fixedly arranged on one side of the second bottom column (301), and a reinforcing plate (303) is fixedly arranged on both sides of the second bottom column (301).
6. The coal mine operation ventilation dust removal device according to claim 4, characterized in that: A limiting rod (304) is movably embedded on the inner wall of the second bottom column (301), and a plurality of through holes (305) are formed on one side of the first bottom column (3).
7. The coal mine operation ventilation dust removal device according to claim 6, characterized in that: Any one of the through holes (305) is matched with the limiting rod (304).
8. The coal mine operation ventilation dust removal device according to claim 5, characterized in that: Two reinforcing plates (303) are fixedly arranged on one side of the base (302).