Coal mine tunneling dust removal device

Abstract

The utility model relates to the technical field of dust removal devices, and discloses a coal mine tunneling dust removal device which comprises a base, a dust removal box installed on the base, an air suction pipe and an exhaust pipe installed at the two ends of the dust removal box respectively, and a fan installed on the side, close to the exhaust pipe, in the dust removal box. Two symmetrically distributed filter screens are arranged on the arc-shaped frame, and connecting blocks connected with the inner wall of the dust removal box are mounted at the two ends of the arc-shaped frame; the flow guide windward frame is connected with an elastic mechanism mounted in the dust removal box; when more dust is accumulated on the filter screen on the arc-shaped frame to influence air circulation, the blowing force of airflow entering the air suction pipe to the flow guide windward frame can be changed by adjusting the wind power of the fan, so that the compression degree of the elastic mechanism is changed, and the air circulation is influenced. And the position of the cleaning mechanism is changed on the arc-shaped frame, so that dust on the filter screen can be cleaned, and the situation that the dust removal effect is affected due to blockage of the filter screen is avoided.

Description

Technical Field

[0001] This utility model relates to the technical field of dust removal devices, specifically a dust removal device for coal mine tunneling. Background Technology

[0002] During the mining process, miners need to tunnel at the mining location. During tunneling, the area will be crushed, which will generate a large amount of dust. This dust will pollute the surrounding environment and can also be easily inhaled by workers, affecting their health. Therefore, dust removal is essential.

[0003] In the prior art, dust removal devices absorb dust through a dust-collecting component and filter the inhaled dust through a filter screen. However, as the dust removal device continues to draw in dust-laden air, the dust on the filter screen gradually increases, and may even clog the filter screen pores, thereby affecting the air discharge and reducing the dust removal effect of the dust removal device. To address this, those skilled in the art have proposed a dust removal device for coal mine tunneling to solve the problems mentioned in the background. Utility Model Content

[0004] The purpose of this utility model is to provide a dust removal device for coal mine tunneling to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution:

[0006] A dust removal device for coal mine tunneling includes a base, on which a dust collection box is mounted. An intake pipe and an exhaust pipe are respectively installed at both ends of the dust collection box. A fan is installed inside the dust collection box near the exhaust pipe. The device also includes:

[0007] The arc-shaped frame has two symmetrically distributed filter screens, and both ends of the arc-shaped frame are equipped with connecting blocks that connect to the inner wall of the dust collection box.

[0008] A flow guide windward frame is connected to an elastic mechanism installed inside the dust collection box to provide elastic support for the flow guide windward frame;

[0009] A cleaning mechanism, which is installed inside the dust collection box, is used to clean the dust on the filter screen.

[0010] As a further embodiment of this utility model: the cleaning mechanism includes a rotating shaft installed inside the dust collection box, and the rotating shaft is located in the circular position of the arc frame. Two movable arms are rotatably mounted on the rotating shaft. A cleaning brush that contacts the inner wall of the arc frame is installed at the end of the movable arm away from the rotating shaft. One end of the movable arm is hinged to a connecting rod, and the other end of the connecting rod is hinged to the airflow guide frame.

[0011] As a further embodiment of this utility model: the elastic mechanism includes a support plate installed inside the dust collection box, a fixed cylinder installed on the support plate, a slider slidably arranged inside the fixed cylinder, the slider being fixedly connected to a support rod, the support rod being fixedly connected to a guide windward frame, and a spring connected to the slider being arranged inside the fixed cylinder.

[0012] As a further improvement of this utility model, the dust collection box is provided with a movable door.

[0013] As a further improvement of this utility model, casters are installed at the four corners of the bottom of the base.

[0014] Compared with the prior art, the beneficial effects of this utility model are as follows: This utility model moves the device to the location of coal mine excavation by means of moving wheels. By starting the fan, the fan generates suction force, which draws in dusty air from the outside through the suction pipe. The dusty air enters the dust collection box and flows to both sides of the guide air intake frame, then flows through the arc frame, and filters the dust in the air through the filter screen on the arc frame. The filtered air is discharged from the exhaust pipe, thus achieving the dust removal effect. Furthermore, due to the blowing action of the airflow drawn in by the suction pipe on the guide air intake frame, the guide air intake frame compresses the elastic mechanism and drives the cleaning mechanism to rotate towards the center of the arc frame. When the filter screen on the arc frame accumulates a lot of dust and affects airflow, the wind force of the fan can be adjusted to change the blowing force of the airflow entering through the suction pipe on the guide air intake frame, thereby changing the degree of compression of the elastic mechanism and thus changing the position of the cleaning mechanism on the arc frame. This allows the dust on the filter screen to be cleaned, preventing the filter screen from becoming clogged and affecting the dust removal effect. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of a dust removal device for coal mine tunneling.

[0016] Figure 2 This is a cross-sectional view of the interior of a dust collection box in a coal mine tunneling dust removal device.

[0017] Figure 3 This is a schematic diagram of the elastic mechanism in a coal mine dust removal device.

[0018] In the diagram: 1. Base; 2. Casters; 3. Dust collection box; 4. Movable door; 5. Suction pipe; 6. Exhaust pipe; 7. Connecting block; 8. Arc frame; 9. Filter screen; 10. Rotating shaft; 11. Movable arm; 12. Cleaning brush; 13. Air guide frame; 14. Connecting rod; 15. Support plate; 16. Fixed cylinder; 17. Slider; 18. Support rod; 19. Spring; 20. Fan. Detailed Implementation

[0019] The technical solution of this patent will be further described in detail below with reference to specific embodiments.

[0020] Please see Figures 1-3 A dust removal device for coal mine tunneling includes a base 1, with casters 2 installed at the four corners of the bottom of the base 1. A dust collection box 3 is installed on the base 1, with an intake pipe 5 and an exhaust pipe 6 installed at both ends of the dust collection box 3. A fan 20 is installed inside the dust collection box 3 near the exhaust pipe 6. The device also includes:

[0021] The arc-shaped frame 8 has two symmetrically distributed filter screens 9, and both ends of the arc-shaped frame 8 are equipped with connecting blocks 7 that connect to the inner wall of the dust collection box 3.

[0022] The airflow guide frame 13 is connected to an elastic mechanism installed in the dust collection box 3, which provides elastic support for the airflow guide frame 13.

[0023] A cleaning mechanism is installed inside the dust collection box 3 and is used to clean the dust on the filter screen 9.

[0024] The device is moved to the coal mine excavation location by the caster wheels 2. The blower 20 is started, generating suction to draw in dusty air from the outside through the suction pipe 5. This dusty air enters the dust collector 3 and flows to both sides of the guide frame 13, then passes through the arc frame 8 and is filtered by the filter screen 9 on the arc frame 8. The filtered air is then discharged from the exhaust pipe 6. This achieves the dust removal effect. Furthermore, the airflow drawn in through the suction pipe 5 blows against the guide frame 13, making the guide frame more efficient. The frame 13 compresses the elastic mechanism and drives the cleaning mechanism to rotate towards the center of the arc frame 8. When the filter screen 9 on the arc frame 8 accumulates a lot of dust and affects air circulation, the wind force of the fan 20 can be adjusted to change the blowing force of the airflow entering the intake pipe 5 on the guide frame 13, thereby changing the degree of compression of the elastic mechanism and thus changing the position of the cleaning mechanism on the arc frame 8. This allows the dust on the filter screen 9 to be cleaned, preventing the filter screen 9 from becoming clogged and affecting the dust removal effect.

[0025] In one embodiment, the cleaning mechanism includes a rotating shaft 10 installed inside the dust collection box 3, and the rotating shaft 10 is located in a circular position on the arc frame 8. Two movable arms 11 are rotatably mounted on the rotating shaft 10. A cleaning brush 12 that contacts the inner wall of the arc frame 8 is installed at one end of the movable arm 11 away from the rotating shaft 10. One end of a connecting rod 14 is hinged to the movable arm 11, and the other end of the connecting rod 14 is hinged to the airflow guide frame 13.

[0026] Under the influence of airflow within the dust collection chamber 3, the airflow guide frame 13 is moved by the airflow, causing its position to change. Initially, under the action of the elastic component, the airflow guide frame 13 is at the leftmost end, while the two cleaning brushes 12 are located at the farthest ends of the two filters 9. When the fan 20 is started and the airflow velocity within the dust collection chamber 3 is at its maximum, the airflow guide frame 13 is at the rightmost end, and the two cleaning brushes 12 are located at the close ends of the two filters 9. Thus, as the fan 20's wind force changes, the position of the airflow guide frame 13 changes. This allows the connecting rod 14 to drive the movable arm 11 to rotate around the rotating shaft 10, enabling the cleaning brushes 12 on the movable arm 11 to clean the dust on the filters 9, preventing dust from clogging the filters 9 and affecting the dust removal effect.

[0027] In one embodiment, the elastic mechanism includes a support plate 15 installed inside the dust collection box 3, a fixed cylinder 16 installed on the support plate 15, a slider 17 slidably disposed inside the fixed cylinder 16, the slider 17 being fixedly connected to a support rod 18, the support rod 18 being fixedly connected to a guide wind-facing frame 13, and a spring 19 connected to the slider 17 being disposed inside the fixed cylinder 16.

[0028] Under the elastic force of spring 19, slider 17 and support rod 18 will be subjected to elastic thrust. This can change the airflow velocity in dust collector 3 by changing the wind force of fan 20, thereby changing the airflow thrust on guide frame 13 and changing its position. This can drive the cleaning mechanism to clean the dust on filter screen 9.

[0029] In one embodiment, the dust collection box 3 is provided with a movable door 4, which facilitates opening the dust collection box 3 to clean the dust inside.

[0030] This invention uses wheels 2 to move the device to the location of the coal mine excavation. By starting the fan 20, the fan generates suction, drawing in dust-laden air from the outside through the suction pipe 5. The dust-laden air enters the dust collection box 3 and flows to both sides of the guide frame 13, then passes through the arc-shaped frame 8, where it is filtered by the filter screen 9. The filtered air is then discharged from the exhaust pipe 6. This achieves the dust removal effect. Furthermore, the airflow drawn in through the suction pipe 5 acts on the guide frame 13, causing the air to... The airflow guide frame 13 compresses the elastic mechanism and drives the cleaning mechanism to rotate towards the center of the arc frame 8. When the filter screen 9 on the arc frame 8 accumulates a lot of dust and affects airflow, the airflow force of the fan 20 can be adjusted to change the blowing force of the airflow entering the suction pipe 5 on the guide frame 13, thereby changing the degree of compression of the elastic mechanism and thus changing the position of the cleaning mechanism on the arc frame 8. This allows the dust on the filter screen 9 to be cleaned, preventing the filter screen 9 from becoming clogged and affecting the dust removal effect.

[0031] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.

[0032] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. A dust removal device for coal mine tunneling, comprising a base, characterized in that, A dust collection box is installed on the base, with an air intake pipe and an exhaust pipe installed at both ends of the dust collection box. A fan is installed inside the dust collection box near the exhaust pipe. The system also includes: The arc-shaped frame has two symmetrically distributed filter screens, and both ends of the arc-shaped frame are equipped with connecting blocks that connect to the inner wall of the dust collection box. A flow guide windward frame is connected to an elastic mechanism installed inside the dust collection box to provide elastic support for the flow guide windward frame; A cleaning mechanism, which is installed inside the dust collection box, is used to clean the dust on the filter screen.

2. The dust removal device for coal mine tunneling according to claim 1, characterized in that, The cleaning mechanism includes a rotating shaft installed inside the dust collection box, and the rotating shaft is located in a circular position on the arc frame. Two movable arms are rotatably mounted on the rotating shaft. A cleaning brush that contacts the inner wall of the arc frame is installed at the end of the movable arm away from the rotating shaft. One end of the movable arm is hinged to a connecting rod, and the other end of the connecting rod is hinged to the airflow guide frame.

3. A dust removal device for coal mine tunneling according to claim 2, characterized in that, The elastic mechanism includes a support plate installed inside the dust collector, a fixed cylinder installed on the support plate, a slider slidably disposed inside the fixed cylinder, a support rod fixedly connected to the slider, a guide windward frame fixedly connected to the support rod, and a spring connected to the slider disposed inside the fixed cylinder.

4. A dust removal device for coal mine tunneling according to claim 1, characterized in that, The dust collection box is equipped with a movable door.

5. A dust removal device for coal mine tunneling according to claim 1, characterized in that, The base is equipped with casters at the four corners of its bottom.

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