Coal mine ventilation device capable of adjusting wind direction

Abstract

The utility model provides a coal mine ventilation device capable of adjusting wind direction, which comprises a ventilation box, a filter box arranged above the ventilation box, a filter assembly arranged on the inner side of the filter box, a ventilation barrel arranged at the lower end of the ventilation box, a first fan arranged on the inner side of the ventilation barrel, and a second fan arranged on the inner side of the ventilation barrel, the ventilation box is connected with the ventilation barrel through a bearing, a motor is installed on the inner side of the ventilation box, the output end of the motor penetrates through the ventilation box and is provided with a first gear, a second gear is installed on the outer side of the ventilation barrel, and the second gear is meshed with the first gear. And a worker can conveniently control the adjusting direction of the ventilation barrel, so that the adjustable wind direction range of the device is widened, the application range is wider, the ever-increasing requirements are more easily met, and the practicability of the device is greatly improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine ventilation, in particular to a coal mine ventilation device capable of adjusting wind direction. Background Art

[0002] Coal mines are areas where humans mine coal resources in coal-rich mining areas. They are generally divided into underground coal mines and open-pit coal mines. Therefore, ventilation is inconvenient in underground coal mines, and the internal oxygen content is low, which can easily lead to hypoxia among workers and cause serious safety accidents. In order to ensure the safety of workers, ventilation devices are needed to ventilate the interior of the mine. For example, the prior art (publication number CN220185156U) discloses a coal mine ventilation device with adjustable wind direction and its control system, which can drive the transmission component to move through the work of the driving component, thereby driving the steering component to rotate left and right inside the ventilation pipe under the movement of the transmission component, thereby changing the wind direction inside the ventilation pipe.

[0003] Based on the existing technology, it is found that the change of wind direction is carried out under the premise that the wind direction is in one direction as a whole, which leads to the limitation of the adjustment direction of the overall wind direction, a low range of involvement, and is not easy to meet the actual adjustment needs. Therefore, the utility model proposes a coal mine ventilation device with adjustable wind direction to solve the problems existing in the existing technology. Utility Model Content

[0004] In view of the above problems, the purpose of the present invention is to provide a coal mine ventilation device with adjustable wind direction. The coal mine ventilation device with adjustable wind direction has the advantage of a wide adjustable direction and can solve the problems in the prior art.

[0005] To achieve the purpose of the utility model, the utility model is implemented through the following technical solutions: a coal mine ventilation device with adjustable wind direction, comprising a ventilation box, a filter box is installed above the ventilation box, and a filter assembly is installed on the inner side of the filter box, a ventilation tube is installed at the lower end of the ventilation box, and the upper end of the ventilation tube is connected to the ventilation box through a bearing, a first fan is installed on the inner side of the ventilation tube, a motor is installed on the inner side of the ventilation box, the output end of the motor passes through the ventilation box and is installed with a first gear, a second gear is installed on the outer side of the ventilation tube, and the second gear is meshed with the first gear.

[0006] Further improvements are: the filter assembly includes an outer frame, the inner side of the outer frame is hollow, and the inner side of the outer frame is provided with an air filter core, the outer frame is provided with a limit groove, and the limit groove is provided in several groups, the inner side of the limit groove is installed with a limit slide rod, the outer side of the air filter core extends into the limit groove, and a connecting hole is opened.

[0007] A further improvement is that the inner cavity of the ventilation box is connected to the inner cavity of the filter box, a wind collecting hood is installed on the inner side of the ventilation box, the output end of the wind collecting hood extends to the inner side of the ventilation tube, and a sealing ring is installed on the outer side of the output end of the wind collecting hood.

[0008] A further improvement is that a tube cover is installed at one end of the ventilation tube away from the ventilation box, the tube cover is connected to the ventilation tube through a thread, a through opening is provided on the tube cover, and a protective net is installed on the inner side of the through opening.

[0009] A further improvement is that: an air inlet is provided at the upper end of the filter box, and the air inlet is provided in several groups, and a second fan is installed inside the air inlet.

[0010] A further improvement is that a connecting groove is provided on the outer side of the upper end of the ventilation box, and the shape of the connecting groove is adapted to the ventilation box, and the lower end of the filter box extends into the connecting groove and is connected to the ventilation box by bolts.

[0011] A further improvement is that an insertion port and a card slot are respectively provided on both sides of the filter box, the outer frame passes through the insertion port and is connected to the card slot, and the filter box is connected to the filter box by bolts.

[0012] The beneficial effects of the present invention are as follows: the coal mine ventilation device with adjustable wind direction connects the ventilation tube to the ventilation box through a bearing, and then uses the cooperation of the motor, the first gear and the second gear to facilitate the staff to control the adjustment direction of the ventilation tube, thereby improving the adjustable wind direction range of the device, which covers a wider range and can more easily meet the growing demand, greatly improving its practicality, and solving the problem of small adjustable wind direction range in the prior art. In addition, through the cooperation of the filter box and the filter assembly, it is convenient to filter dust particles in the air. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0014] Figure 1 It is a front view structural schematic diagram of the utility model.

[0015] Figure 2 It is a top view schematic diagram of the outer frame of the present utility model.

[0016] Figure 3 It is a top view schematic diagram of the air filter inner core of the present utility model.

[0017] Figure 4 It is a front view structural schematic diagram of the ventilation box and ventilation duct of the utility model after being connected.

[0018] Figure 5 It is a front view structural diagram of the filter box of the present invention.

[0019] Among them: 1. Ventilation box; 2. Filter box; 3. Ventilation tube; 4. First fan; 5. Motor; 6. First gear; 7. Second gear; 8. Outer frame; 9. Air filter inner core; 10. Limiting groove; 11. Limiting slide bar; 12. Connecting hole; 13. Wind collecting hood; 14. Sealing ring; 15. Tube cover; 16. Protective net; 17. Second fan; 18. Connecting groove; 19. Insertion port; 20. Card slot. DETAILED DESCRIPTION

[0020] In order to deepen the understanding of the present invention, the present invention will be further described in detail below in conjunction with embodiments. The embodiments are only used to explain the present invention and do not constitute a limitation on the scope of protection of the present invention.

[0021] according to Figure 1-Figure 5 As shown, this embodiment proposes a coal mine ventilation device with adjustable wind direction, including a ventilation box 1, a filter box 2 is installed above the ventilation box 1, and a filter assembly is installed inside the filter box 2, the inner cavity of the ventilation box 1 is connected to the inner cavity of the filter box 2, wherein the filter assembly includes an outer frame 8, the inner side of the outer frame 8 is hollow, and the inner side of the outer frame 8 is provided with an air filter inner core 9, as shown in FIG. Figure 1 As shown, air enters from the top of the outer frame 8 and is discharged from the bottom of the outer frame 8, and is filtered through the air filter core 9. Figure 2 and Figure 3 As shown, a limiting groove 10 is provided on the outer frame 8, and the limiting groove 10 is provided with several groups. In this embodiment, four groups of limiting grooves 10 are evenly provided. A limiting slide bar 11 is installed on the inner side of the limiting groove 10. The outer side of the air filter inner core 9 extends into the limiting groove 10 and is provided with a connecting hole 12. The connecting hole 12 is adapted to the limiting slide bar 11. Therefore, after the air filter inner core 9 is installed, it is limited by the cooperation of the limiting groove 10 and the limiting slide bar 11. The upper end of the corresponding limiting groove 10 is connected to the outside world, so it is convenient for the disassembly and installation of the air filter inner core 9.

[0022] Furthermore, an insertion port 19 and a card slot 20 are respectively provided on the left and right sides of the filter box 2. The outer frame 8 passes through the insertion port 19 and is connected to the card slot 20. The filter box 2 is connected to the filter box 2 by bolts, wherein the insertion port 19 as a whole enables the outside to communicate with the inner cavity of the filter box 2. Figure 1As shown, the right end of the outer frame 8 is located in the card slot 20, and the left end is located in the insertion port 19. At this time, the outer frame 8 as a whole is supported by the filter box 2, which ensures the stability of the outer frame 8 after installation. In addition, this installation method makes the installation and disassembly of the outer frame 8 convenient.

[0023] Furthermore, an air inlet is provided at the upper end of the filter box 2, and the air inlet is provided in several groups. In this embodiment, two groups of air inlets are provided, and a second fan 17 is installed on the inner side of the air inlet. When working, the second fan 17 is started and is responsible for blowing external air to the air filter core 9.

[0024] A ventilation tube 3 is installed at the lower end of the ventilation box 1, and the upper end of the ventilation tube 3 is connected to the ventilation box 1 through a bearing. In this embodiment, the ventilation tube 3 is arranged in an L-shape as a whole, and a first fan 4 is installed on the inner side of the ventilation tube 3. When working, the first fan 4 is started, and it is responsible for discharging the air in the ventilation box 1. Correspondingly, a tube cover 15 is installed at the end of the ventilation tube 3 away from the ventilation box 1. The tube cover 15 is connected to the ventilation tube 3 through a thread. A through opening is provided on the tube cover 15, and a protective net 16 is installed on the inner side of the through opening. In this embodiment, the position of the first fan 4 is close to the tube cover 15. When it needs to be maintained and cleaned, the tube cover 15 can be manually rotated to separate it from the ventilation tube 3.

[0025] Furthermore, an air condenser 13 is installed on the inner side of the ventilation box 1, and the output end of the air condenser 13 extends to the inner side of the ventilation tube 3. The inlet and outlet ends of the air condenser 13 face the air filter inner core 9, and a sealing ring 14 is installed on the outer side of the output end of the air condenser 13. The outer side of the sealing ring 14 is in close contact with the inner wall of the ventilation tube 3. In this device, the air condenser 13 is set up to facilitate the guiding role to ensure that the air can correctly enter the ventilation tube 3.

[0026] Furthermore, a connecting groove 18 is provided on the outer side of the upper end of the ventilation box 1, and the shape of the connecting groove 18 is adapted to the ventilation box 1. The lower end of the filter box 2 extends into the connecting groove 18 and is connected to the ventilation box 1 by bolts. That is, in this device, the ventilation box 1 and the filter box 2 adopt a split design, which is convenient for disassembly and installation, thereby facilitating the maintenance of the device by the staff.

[0027] A motor 5 is installed on the inner side of the ventilation box 1, and the motor 5 is connected to the inner wall of the ventilation box 1 through a bracket. At the same time, the output end of the motor 5 passes through the ventilation box 1 and is installed with a first gear 6. A second gear 7 is installed on the outer side of the ventilation tube 3, and the second gear 7 is engaged with the first gear 6. In this device, the motor 5 works by remote control, and then a staff member controls the work of the motor 5 through a remote controller. When the motor 5 is working, it drives the second gear 7 to rotate through the first gear 6, thereby driving the ventilation tube 3 to rotate, thereby adjusting the wind direction.

[0028] The above shows and describes the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such changes and improvements are intended to fall within the scope of the present invention. The scope of protection claimed in this invention is defined by the appended claims and their equivalents.

Claims

1. A coal mine ventilation device with adjustable wind direction, comprising a ventilation box (1), characterized in that: A filter box (2) is installed above the ventilation box (1), and a filter assembly is installed on the inner side of the filter box (2); a ventilation tube (3) is installed at the lower end of the ventilation box (1), and the upper end of the ventilation tube (3) is connected to the ventilation box (1) through a bearing; a first fan (4) is installed on the inner side of the ventilation tube (3); a motor (5) is installed on the inner side of the ventilation box (1); the output end of the motor (5) passes through the ventilation box (1) and is installed with a first gear (6); a second gear (7) is installed on the outer side of the ventilation tube (3), and the second gear (7) is meshed with the first gear (6).

2. The coal mine ventilation device with adjustable wind direction according to claim 1, characterized in that: The filter assembly includes an outer frame (8), the inner side of the outer frame (8) is hollow, and an air filter inner core (9) is provided on the inner side of the outer frame (8), a limiting groove (10) is provided on the outer frame (8), and the limiting groove (10) is provided in a plurality of groups, a limiting slide bar (11) is installed on the inner side of the limiting groove (10), and the outer side of the air filter inner core (9) extends into the limiting groove (10) and is provided with a connecting hole (12).

3. The coal mine ventilation device with adjustable wind direction according to claim 1, characterized in that: The inner cavity of the ventilation box (1) is connected to the inner cavity of the filter box (2), and a wind collecting hood (13) is installed on the inner side of the ventilation box (1). The output end of the wind collecting hood (13) extends to the inner side of the ventilation cylinder (3), and a sealing ring (14) is installed on the outer side of the output end of the wind collecting hood (13).

4. The coal mine ventilation device with adjustable wind direction according to claim 1, characterized in that: A cylinder cover (15) is installed at one end of the ventilation cylinder (3) away from the ventilation box (1). The cylinder cover (15) is connected to the ventilation cylinder (3) through a thread. A through opening is provided on the cylinder cover (15), and a protective net (16) is installed on the inner side of the through opening.

5. The coal mine ventilation device with adjustable wind direction according to claim 1, characterized in that: An air inlet is provided at the upper end of the filter box (2), and the air inlet is provided in a plurality of groups. A second fan (17) is installed inside the air inlet.

6. The coal mine ventilation device with adjustable wind direction according to claim 1, characterized in that: A connecting groove (18) is provided on the outer side of the upper end of the ventilation box (1), and the shape of the connecting groove (18) is adapted to the ventilation box (1). The lower end of the filter box (2) extends into the connecting groove (18) and is connected to the ventilation box (1) by bolts.

7. The coal mine ventilation device with adjustable wind direction according to claim 2, characterized in that: An insertion port (19) and a card slot (20) are respectively provided on both sides of the filter box (2); the outer frame (8) passes through the insertion port (19) and is connected to the card slot (20); and the filter box (2) is connected to the filter box (2) by bolts.

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