Ventilation device for coal mine safety

Abstract

The utility model discloses a ventilation device for coal mine safety, which comprises a ventilation box body, a driving mechanism and a water injection pipe, the output end of the driving mechanism is located in the ventilation box body and is in transmission connection with a threaded rotating rod, a dustproof filter screen is embedded in the inner bottom of the ventilation box body, and a three-way valve is installed in the middle of the water injection pipe. A water guide pipe is installed at the bottom end of the three-way valve in a penetrating mode, a collection supporting box body is installed at the bottom of the ventilation box body, a water suction pump is installed on the right side of the inner bottom of the collection supporting box body, and a collection filter screen supporting plate is slidably embedded in the middle of the inner side of the collection supporting box body; the device has the advantages that waste is reduced through a recyclable cleaning and collecting structure and an integrated driving, exhausting and cleaning structure, cleaning is convenient, meanwhile, cost is reduced, the device is simple in structure and convenient to use, and the device is suitable for popularization and application. The use effect is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of coal mine ventilation equipment, in particular to a ventilation device for coal mine safety. Background Art

[0002] Coal mining is mostly carried out underground or in the mountains, where ventilation is generally poor and special ventilation equipment is needed to improve the working environment and enhance the life safety of workers.

[0003] After searching, the Chinese patent authorization number CN202322896387.0 discloses a ventilation device for coal mine safety. The technology includes a trough body opening to the left, a fan is installed in the trough body, the fan is close to the notch of the trough body, an air intake pipe is installed on the right half of the lower outer wall of the trough body, a through groove communicating with the inside and outside is opened on the lower side wall of the trough body, the through groove is located on the inner side of the air intake pipe, a screw rod is horizontally arranged in the trough body, the screw rod is located between the fan and the bottom of the trough body, a drive assembly is installed on one end of the screw rod, a slide plate is arranged in the through groove, a threaded hole threadedly matched with the screw rod is opened on the slide plate, the slide plate is mounted on the screw rod through the threaded hole, a smooth rod is horizontally arranged in the through groove, and a dust net is horizontally arranged in the air intake pipe.

[0004] A ventilation device for coal mine safety in the above patent has the following deficiencies: first, the above device directly cleans the dust net with water by means of a movable water spray, which wastes a lot of water resources and is costly. The direct discharge of dust residues also brings certain inconveniences to cleaning. Secondly, the method of directly installing a fan and a drive mechanism inside the trough body for exhaust and transmission cleaning respectively is not only complicated to use, but also increases the driving cost, and the overall use effect is poor.

[0005] Therefore, we propose a ventilation device for coal mine safety to solve the above problems. Utility Model Content

[0006] The utility model aims to solve one of the technical problems existing in the prior art or related technology.

[0007] To this end, the technical solution adopted in this utility model is:

[0008] A ventilation device for coal mine safety comprises a ventilation box, a driving mechanism and a water injection pipe, the output end of the driving mechanism is located in the ventilation box and is connected to a threaded rotating rod for internal transmission, a dust filter is embedded in the inner bottom of the ventilation box, a three-way valve is installed in the middle of the water injection pipe, a water guide pipe is installed through the bottom of the three-way valve, a collecting support box is installed at the bottom of the ventilation box, a water pump is installed on the right side of the inner bottom of the collecting support box, a collecting filter support plate is slidably embedded in the middle of the inner side of the collecting support box, the right side surface of the ventilation box is located at the top of the threaded rotating rod and is rotatably installed with a driven rotating rod, the left end of the driven rotating rod is connected to an exhaust fan, the threaded rotating rod and the driven rotating rod are both sleeved with rotating gears on the left outer sides, and the outer side of the rotating gear is meshed with a transmission belt.

[0009] In a preferred example, the present invention can be further configured as follows:

[0010] By adopting the above technical solution, the bottom extension end of the water pipe passes through the rear end surface of the collecting support box and is connected to the water pump, and the bottom end of the ventilation box is connected to the top end of the collecting support box.

[0011] In a preferred example, the present invention can be further configured as follows:

[0012] By adopting the above technical solution, the outer threaded transmission sleeve of the threaded rotating rod is connected with a connecting threaded sleeve, and a nozzle is installed in the middle of the front end of the connecting threaded sleeve.

[0013] In a preferred example, the present invention can be further configured as follows:

[0014] By adopting the above technical solution, the left end of the water injection pipe is located inside the ventilation box and is connected to a connecting hose, and one end of the connecting hose is connected to the top of the nozzle.

[0015] In a preferred example, the present invention can be further configured as follows:

[0016] By adopting the above technical solution, an exhaust pipe is installed through the top left side of the ventilation box body, and an air intake pipe is installed through the top right side of the collecting support box body.

[0017] In a preferred example, the present invention can be further configured as follows:

[0018] By adopting the above technical solution, the front end of the collecting filter support plate is located on the outer side of the collecting support box and is connected to a pull-out sealing plate.

[0019] In a preferred example, the present invention can be further configured as follows:

[0020] By adopting the above technical solution, two groups of support bases are symmetrically installed at the bottom end of the collection support box.

[0021] By adopting the above technical solution, the beneficial effects achieved by the utility model are as follows:

[0022] 1. In the utility model, a three-way valve, a water guide pipe, a pump and a collection filter support plate are arranged. When in use, water is sprayed out through the nozzle, and the dust particles contaminated on the dust filter are cleaned, and the dust residues are collected by falling on the collection filter support plate. The filtered water is pumped through the guide pipe and the three-way valve, introduced into the connecting hose, and continued to be used through the nozzle. While playing a cleaning role, the waste of water resources is reduced, and the dust residues are collected for easy cleaning.

[0023] 2. In the utility model, a driven rotating rod, a transmission gear and a transmission toothed belt are arranged. When in use, the threaded rotating rod rotates when the nozzle is moved for cleaning. In this way, through the meshing transmission of two sets of rotating gears and the transmission toothed belt, the driven rotating rod drives the fan to rotate for exhausting air. This is convenient to use, reduces driving costs, and improves the overall use effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 This is a front view structural schematic diagram of an embodiment of the utility model;

[0025] Figure 2 This is a front cross-sectional structural schematic diagram of an embodiment of the utility model;

[0026] Figure 3 It is a reverse structural schematic diagram of an embodiment of the utility model.

[0027] Reference numerals:

[0028] 1. Ventilation box; 2. Collection support box; 3. Exhaust pipe; 4. Inlet pipe; 5. Driving mechanism; 6. Water injection pipe; 7. Water guide pipe; 8. Three-way valve; 9. Pull-out sealing plate; 10. Collection filter support plate; 11. Water pump; 12. Dust filter; 13. Nozzle; 14. Connecting hose; 15. Threaded rotating rod; 16. Driven rotating rod; 17. Transmission belt; 18. Exhaust fan; 19. Rotating gear; 20. Connecting threaded sleeve; 21. Support base. DETAILED DESCRIPTION

[0029] In order to make the purpose, technical solution and advantages of the utility model clearer, the utility model is further described in detail below in combination with specific implementation methods and with reference to the accompanying drawings. It should be noted that the embodiments of the utility model and the features in the embodiments can be combined with each other without conflict.

[0030] It should be understood that these descriptions are exemplary only and are not intended to limit the scope of the present invention.

[0031] A ventilation device for coal mine safety provided by some embodiments of the utility model will be described below in conjunction with the accompanying drawings.

[0032] Embodiment 1:

[0033] Combination Figure 1-Figure 3 As shown, the utility model provides a ventilation device for coal mine safety.

[0034] Specifically, it includes a ventilation box 1, a driving mechanism 5 and a water injection pipe 6. The output end of the driving mechanism 5 is located inside the ventilation box 1 and is connected to a threaded rotating rod 15. A dust filter 12 is embedded in the inner bottom of the ventilation box 1. A three-way valve 8 is installed in the middle of the water injection pipe 6. A water guide pipe 7 is installed through the bottom of the three-way valve 8. A collection support box 2 is installed at the bottom of the ventilation box 1. A water pump 11 is installed on the right side of the inner bottom of the collection support box 2. A sliding embedded in the middle of the inner side of the collection support box 2 A collecting filter screen support plate 10 is provided, and a driven rotating rod 16 is rotatably installed on the right side of the ventilation box body 1 at the top of the threaded rotating rod 15, and an exhaust fan 18 is connected to the left end of the driven rotating rod 16. The left outer side surfaces of the threaded rotating rod 15 and the driven rotating rod 16 are sleeved with a rotating gear 19, and the outer side of the rotating gear 19 is meshed with a transmission belt 17. The bottom extension end of the water guide pipe 7 passes through the rear end surface of the collecting support box body 2 and is connected to the water pump 11. The bottom end of the ventilation box body 1 is connected to the collecting support The top ends of the support box 2 are connected to each other, and the outer threaded transmission sleeve of the threaded rotating rod 15 is connected with a connecting threaded sleeve 20. The connecting threaded sleeve 20 is mainly convenient for the installation of the nozzle 13. At the same time, the nozzle 13 can be driven to move by the threaded connection with the threaded rotating rod 15. The nozzle 13 is installed in the middle of the front end of the connecting threaded sleeve 20. The left end of the water injection pipe 6 is located in the interior of the ventilation box 1 and is connected with a connecting hose 14. One end of the connecting hose 14 is connected to the top of the nozzle 13. An exhaust pipe 3 is installed through the top left side of the ventilation box 1, and an air intake pipe 4 is installed through the top right side of the collecting support box 2. The use of the above-mentioned components, when water is sprayed on the dust filter 12 through the nozzle 13, the dust particles on it are cleaned and fall onto the collecting filter support plate 10 and collected, and the filtered water passes through the pump 11 through the conduit 7 and the three-way valve 8, and is sprayed out through the nozzle 13 for continued use, which has a reuse effect, reduces the waste of water resources, collects dust residues, and is convenient for cleaning.

[0035] Embodiment 2:

[0036] Combination Figure 2 As shown, based on the first embodiment,

[0037] Specifically, through the operation of each component in the above-mentioned embodiment 1, especially the rotation of the threaded rotating rod 15, through the meshing transmission of two sets of rotating gears 19 and the transmission belt 17, the driven rotating rod 16 drives the fan 18 to rotate, and while exhausting air, it also performs the function of transmission cleaning. This makes it more convenient to use, reduces the driving cost, and improves the overall use effect.

[0038] Combination Figure 1 and Figure 2 As shown, in the above embodiment,

[0039] Specifically, the front end of the collecting filter tray 10 is located on the outer side of the collecting support box 2 and is connected to a pull-out sealing plate 9. The pull-out sealing plate 9 is mainly used to facilitate the extraction of dust particles and residues collected on the collecting filter tray 10 and uniform treatment. Two groups of support bases 21 are symmetrically installed at the bottom end of the collecting support box 2. The support bases 21 are mainly used to improve the support and stability of the collecting support box 2 and the ventilation box 1 as a whole.

[0040] The working principle and use process of the utility model are as follows: first, when in use, the driving mechanism 5 operates to rotate the threaded rotating rod 15, so that it engages with the two sets of rotating gears 19 on the outside of the driven rotating rod 16 through the transmission toothed belt 17 for transmission, so that the driven rotating rod 16 drives the fan 18 to rotate to extract air, and the smoke and dust generated in the mine are filtered through the air intake pipe 4 and the collection support box 2, and at the same time, they are washed with water for dust reduction, and finally a better fresh gas is discharged to the outside through the exhaust pipe 3, which is convenient to use, reduces the driving cost, and improves the overall use effect. Secondly, when the above-mentioned components are in operation, the external water is introduced into the spray nozzle through the water injection pipe 6 and the connecting hose 14. The threaded sleeve 20 is connected to the dust filter 12 through the threaded rotating rod 15 to drive the nozzle 13 to spray the dust filter 12, so as to clean the dust particles on the dust filter 12 and collect the dust residues on the collection filter tray 10 inside the collection support box 2. Finally, the collection filter tray 10 can be pulled out of the outside by pulling the sealing plate 9 for unified cleaning. At the same time, the filtered water is introduced into the connecting hose 14 through the conduit 7 and the three-way valve 8 by the pump 11, and is sprayed out through the nozzle 13 for continued use, so as to achieve the effect of reuse. While playing the cleaning role, it reduces the waste of water resources and collects the dust residues for easy cleaning.

[0041] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and purpose of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A ventilation device for coal mine safety, comprising a ventilation box (1), a driving mechanism (5) and a water injection pipe (6), wherein the output end of the driving mechanism (5) is located inside the ventilation box (1) and is transmission-connected with a threaded rotating rod (15), and a dust filter (12) is embedded and installed at the inner bottom of the ventilation box (1), characterized in that: A three-way valve (8) is installed in the middle of the water injection pipe (6), and a water guide pipe (7) is installed through the bottom end of the three-way valve (8). A collecting support box (2) is installed at the bottom of the ventilation box (1), and a water pump (11) is installed on the right side of the inner bottom of the collecting support box (2). A collecting filter support plate (10) is slidably embedded in the middle of the inner side of the collecting support box (2). A driven rotating rod (16) is rotatably installed on the right side surface of the ventilation box (1) at the top of the threaded rotating rod (15), and an exhaust fan (18) is connected to the left end of the driven rotating rod (16). The left outer side surfaces of the threaded rotating rod (15) and the driven rotating rod (16) are both sleeved with a rotating gear (19), and the outer side of the rotating gear (19) is sleeved with a transmission toothed belt (17) in a meshing transmission sleeve.

2. A ventilation device for coal mine safety according to claim 1, characterized in that: The bottom extension end of the water guide pipe (7) passes through the rear end surface of the collection support box (2) and is connected to the water pump (11). The bottom end of the ventilation box (1) and the top end of the collection support box (2) are connected to each other.

3. A ventilation device for coal mine safety according to claim 1, characterized in that: The outer threaded transmission sleeve of the threaded rotating rod (15) is connected to a connecting threaded sleeve (20), and a spray head (13) is installed in the middle of the front end of the connecting threaded sleeve (20).

4. A ventilation device for coal mine safety according to claim 3, characterized in that: The left end of the water injection pipe (6) is located inside the ventilation box (1) and is connected to a connecting hose (14), and one end of the connecting hose (14) is connected to the top end of the spray head (13).

5. A ventilation device for coal mine safety according to claim 1, characterized in that: An exhaust pipe (3) is installed through the top of the left side of the ventilation box (1), and an air intake pipe (4) is installed through the top of the right side of the collection support box (2).

6. A ventilation device for coal mine safety according to claim 1, characterized in that: The front end of the collecting filter screen support plate (10) is located on the outer side of the collecting support box (2) and is connected to a drawer sealing plate (9).

7. A ventilation device for coal mine safety according to claim 1, characterized in that: Two groups of support bases (21) are symmetrically mounted on the bottom end of the collection support box (2).

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