Ventilation device for underground mine

Abstract

The utility model relates to the technical field of ventilation equipment, in particular to a ventilation device for an underground mine, which comprises a ventilation pipeline, the bottom of the ventilation pipeline is fixedly connected with a supporting seat, the bottom of the supporting seat is provided with rollers, the top of the supporting seat is in threaded connection with a threaded rod, the bottom of the threaded rod is fixedly connected with a fixing rod, and the fixing rod is fixedly connected with the ventilation pipeline. The outer side wall of the fixing rod is rotationally connected with a fixing sleeve, and the bottom of the fixing sleeve is fixedly connected with a connecting rod. The device has the beneficial effects that the four threaded rods, the fixing rods, the fixing sleeves, the connecting rods, the supporting plates and the anti-skid pads are arranged, the four threaded rods are arranged at the bottom of the ventilation pipeline, and each threaded rod can be independently controlled, so that the situation that the supporting seat cannot be stabilized due to road surfaces with different heights is prevented, and the service life of the supporting seat is prolonged. And meanwhile, the supporting plate at the bottom of the threaded rod rotates at the bottom of the threaded rod through the fixing sleeve, and the supporting seat can be fixed by adjusting the angle of the supporting plate when meeting road surfaces with different gradients.

Description

Technical Field

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

[0002] An underground mine is a production and operation unit that mines mineral resources underground. The underground mine process involves excavating tunnels from the surface to reach the ore body, dividing the ore body into several stages (or panels). Each stage (panel) is further divided into numerous blocks (strips), and each block and stage is mined in a specific sequence. During the coal mining process, large amounts of harmful gases and dust, such as methane, are generated in the tunnels. If not promptly addressed, these harmful gases and dust can adversely affect the health of workers, seriously endangering their lives and health. Therefore, ventilation is essential within the coal tunnels.

[0003] In the Chinese utility model patent application publication number CN215428039U, an underground mine shotcrete loading and unloading device is disclosed. Although it includes a base, a fixing mechanism is fixedly installed on both sides of the upper end of the base, and protective holes are opened at the four corners of the upper end of the base. Positioning mechanisms are sleeved in the protective holes. A dust removal body is detachably installed between the two fixing mechanisms. A dust reduction nozzle is integrally formed at the upper end of the dust removal body, and a soft water pipe is fixedly installed at the input end of the dust reduction nozzle. A drainage pipe is integrally formed at the lower end of the dust removal body. The front end of the dust removal body is interspersed with an air inlet pipe. The left and right ends of the dust removal body are respectively detachably installed with a No. 2 filter mechanism and a No. 1 filter mechanism. The structures of the No. 2 filter mechanism and the No. 1 filter mechanism are the same and are symmetrically distributed on the left and right. The coal mine ventilation and dust removal device described in the utility model is not only convenient for disassembly and maintenance of the dust removal body, but also convenient for disassembly and installation of the No. 1 filter mechanism and the No. 2 filter mechanism. It is clean and convenient, has good heat dissipation effect and strong safety. However, the roads inside the mine are generally not flat, and the motor will vibrate during operation. Using only bolts for fixing will cause the fixing seat to be unstable, thereby causing the device to fall over and affecting safety. Utility Model Content

[0004] The purpose of the present utility model is to provide a ventilation device for underground mines to solve the problems raised by the above background technology.

[0005] To achieve the above objectives, the present invention provides the following technical solutions:

[0006] A ventilation device for underground mines, comprising:

[0007] A ventilation duct, wherein the bottom of the ventilation duct is fixedly connected to a support seat, a roller is provided at the bottom of the support seat, the top of the support seat is threadedly connected to a threaded rod, the bottom of the threaded rod is fixedly connected to a fixing rod, the outer side wall of the fixing rod is rotatably connected to a fixing sleeve, the bottom of the fixing sleeve is fixedly connected to a connecting rod, the bottom of the connecting rod is fixedly connected to a support plate, and the bottom of the support plate is provided with an anti-slip pad.

[0008] Preferably, a servo motor is provided at the top of the ventilation duct, the bottom of the servo motor is transmission-connected to a drive shaft, the bottom of the drive shaft is fixedly connected to a first bevel gear, and the surface of the first bevel gear is meshed with a second bevel gear.

[0009] Preferably, the second bevel gear is fixedly connected to the inside of the central shaft, the outer wall of the central shaft is fixedly connected to a fan, the top of the central shaft is rotatably connected to the inside of the protective net, and the protective net is fixedly connected to the inner wall of the ventilation duct.

[0010] Preferably, the other end of the central axis away from the fan is fixedly connected to a fixing base, and a sliding groove is provided on the side of the fixing base. There are four sliding grooves, and the four sliding grooves are distributed in a circular array on the side of the fixing base.

[0011] Preferably, a spring is fixedly connected to the interior of the chute, the bottom of the spring is fixedly connected to a slider, and the slider is fixedly connected to the side of the scraper.

[0012] Preferably, the other side of the ventilation duct away from the protective net is fixedly connected to a first connecting seat, and the end of the ventilation duct away from the protective net is provided with a fixing frame.

[0013] Preferably, the outer side wall of the fixing frame is fixedly connected to a second connecting seat, the internal thread of the second connecting seat is connected to a fixing bolt, and the fixing frame and the ventilation duct are fixed by the cooperation of the first connecting seat, the second connecting seat and the fixing bolt.

[0014] Preferably, a dustproof net is provided inside the fixing frame, and the surface of the dustproof net is in contact with the surface of the scraper.

[0015] Preferably, two support seats are provided, and the two support seats are axially symmetrically distributed at the bottom of the ventilation duct, and two threaded rods are provided, and the two threaded rods are axially symmetrically distributed at the top of the support seat.

[0016] Preferably, a dust inlet is provided at the bottom of one side of the ventilation duct close to the fixing frame, and the dust inlet is located directly below the scraper, and a dust collecting box is provided inside the dust inlet.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The utility model is provided with a threaded rod, a fixing rod, a fixing sleeve, a connecting rod, a support plate and an anti-slip pad. The threaded rod is provided with four, which are respectively arranged at the bottom of the ventilation duct, and each threaded rod can be controlled independently to prevent the situation that the support seat cannot be stabilized due to road surfaces of different heights. At the same time, the support plate at the bottom of the threaded rod is rotated on the bottom of the threaded rod through the fixing sleeve. When encountering road surfaces with different slopes, the angle of the support plate can be adjusted to fix the support seat, and the scope of application is wider; the servo motor drives the drive shaft to rotate, and the drive shaft drives the central shaft to rotate. One end of the central shaft drives the fan to rotate for ventilation, and the other end drives the fixed seat to rotate. A scraper is provided inside the fixed seat, and the scraper rotates to clean the dust on the dustproof net, avoiding the need to frequently disassemble and clean the dustproof net to affect the efficiency of coal operations. A dust collecting box is provided at the bottom of the scraper to prevent dust from being scattered into the ventilation duct and affecting the air outlet effect, and the disassembly of the dust collecting box does not affect the normal operation of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the anatomical structure of the side of the utility model;

[0021] Figure 3 For the utility model Figure 3 Enlarged view of point A in the middle;

[0022] Figure 4 This is a schematic diagram of the three-dimensional structure of the threaded rod of the utility model;

[0023] Figure 5 This is a schematic diagram of the ventilation duct and dustproof net of the utility model.

[0024] In the figure: 1. ventilation duct; 101. first connecting seat; 2. servo motor; 3. drive shaft; 4. first bevel gear; 5. second bevel gear; 6. middle shaft; 7. fan; 8. fixed seat; 801. slide groove; 9. spring; 10. scraper; 1001. slider; 11. protective net; 12. dust net; 13. fixing bracket; 14. second connecting seat; 15. fixing bolt; 16. support seat; 17. roller; 18. threaded rod; 19. fixing rod; 20. fixing sleeve; 21. connecting rod; 22. support plate; 23. anti-slip pad; 24. dust inlet; 25. dust collection box. DETAILED DESCRIPTION

[0025] In order to more clearly illustrate the overall concept of the present invention, the following is a detailed description in conjunction with the accompanying drawings.

[0026] Example 1:

[0027] See also Figures 1 to 5 The utility model provides a technical solution: a ventilation device for underground mines, comprising:

[0028] The ventilation duct 1 is fixedly connected to a support seat 16 at the bottom, a roller 17 is provided at the bottom of the support seat 16, a threaded rod 18 is threadedly connected to the top of the support seat 16, a fixed rod 19 is fixedly connected to the bottom of the threaded rod 18, a fixed sleeve 20 is rotatably connected to the outer wall of the fixed sleeve 20, a connecting rod 21 is fixedly connected to the bottom of the connecting rod 21, a support plate 22 is fixedly connected to the bottom of the support plate 22, and an anti-slip pad 23 is provided at the bottom of the support plate 22.

[0029] Through the threaded rod 18, there are four threaded rods 18, which are respectively arranged at the bottom of the ventilation duct 1, and each threaded rod 18 can be independently controlled, preventing the situation where the support seat 16 cannot be firmly supported due to the uneven height of the road surface. At the same time, the support plate 22 at the bottom of the threaded rod 18 is rotated at the bottom of the threaded rod 18 through the fixing sleeve 20. When encountering a road surface with different slopes, the angle of the support plate 22 can be adjusted to fix the support seat 16, and the applicability effect is wider.

[0030] Example 2:

[0031] like Figure 2-4 As shown, the structure of a ventilation device for underground mines disclosed in the second embodiment of the present invention is basically the same as that in the first embodiment, except that:

[0032] A servo motor 2 is provided at the top of the ventilation duct 1 , the bottom of the servo motor 2 is transmission-connected to a drive shaft 3 , the bottom of the drive shaft 3 is fixedly connected to a first bevel gear 4 , and a second bevel gear 5 is meshed on the surface of the first bevel gear 4 .

[0033] The second bevel gear 5 is fixedly connected to the inside of the central shaft 6, the outer wall of the central shaft 6 is fixedly connected to the fan 7, the top of the central shaft 6 is rotatably connected to the inside of the protective net 11, and the protective net 11 is fixedly connected to the inner wall of the ventilation duct 1.

[0034] The other end of the central axis 6 away from the fan 7 is fixedly connected to a fixing base 8, and a sliding groove 801 is provided on the side of the fixing base 8. There are four sliding grooves 801, and the four sliding grooves 801 are distributed on the side of the fixing base 8 in a circular array.

[0035] A spring 9 is fixedly connected to the interior of the sliding groove 801 , and the bottom of the spring 9 is fixedly connected to the slider 1001 , and the slider 1001 is fixedly connected to the side of the scraper 10 .

[0036] The servo motor 2 drives the drive shaft 3 to rotate, and the drive shaft 3 drives the central shaft 6 to rotate. One end of the central shaft 6 drives the fan 7 to rotate for ventilation, and the other end drives the fixed seat 8 to rotate. A scraper 10 is provided inside the fixed seat 8. The scraper 10 rotates to clean the dust on the dustproof net 12, avoiding the need to frequently disassemble and clean the dustproof net 12 and affecting the efficiency of coal operations.

[0037] Example 3:

[0038] like Figure 5 As shown, the structure of a ventilation device for underground mines disclosed in the third embodiment of the present invention is basically the same as that in the second embodiment, except that:

[0039] A first connecting seat 101 is fixedly connected to the other side of the ventilation duct 1 away from the protective net 11 , and a fixing frame 13 is provided at one end of the ventilation duct 1 away from the protective net 11 .

[0040] The outer wall of the fixing frame 13 is fixedly connected to a second connecting seat 14 , and the internal thread of the second connecting seat 14 is connected to a fixing bolt 15 . The fixing frame 13 and the ventilation duct 1 are fixed by the cooperation of the first connecting seat 101 , the second connecting seat 14 and the fixing bolt 15 .

[0041] A dustproof net 12 is disposed inside the fixing frame 13 , and a surface of the dustproof net 12 is in contact with a surface of the scraper 10 .

[0042] There are two support seats 16 , and the two support seats 16 are axially symmetrically distributed at the bottom of the ventilation duct 1 . There are two threaded rods 18 , and the two threaded rods 18 are axially symmetrically distributed at the top of the support seats 16 .

[0043] A dust inlet 24 is provided at the bottom of one side of the ventilation duct 1 close to the fixing frame 13 , and the dust inlet 24 is located directly below the scraper 10 . A dust collecting box 25 is provided inside the dust inlet 24 .

[0044] The scraper 10 scrapes the dust on the dustproof net 12 through the dust box 25 and collects it to prevent the dust from being scattered into the ventilation duct 1 and affecting the air outlet effect. The removal of the dust box 25 does not affect the normal operation of the device.

[0045] The specific solution is as follows: first, the height of the four threaded rods 18 is adjusted according to the road surface in the mine. If the road surface has a slope, the angle can be adjusted by rotating the support plate 22. When the ventilation duct 1 is fixed and stable, the servo motor 2 is started, and the drive shaft 3 is driven to rotate by the servo motor 2. The drive shaft 3 drives the central shaft 6 to rotate. One end of the central shaft 6 drives the fan 7 to rotate for ventilation, and the other end drives the fixed seat 8 to rotate. A scraper 10 is provided inside the fixed seat 8. The scraper 10 rotates to clean the dust on the dust net 12. The cleaned dust will fall into the dust box 25 through the dust inlet 24. The dust box 25 is removed to clean the dust inside. The disassembly of the dust box 25 does not affect the normal operation of the device, thereby avoiding the need to frequently disassemble and clean the dust net 12 and affecting the efficiency of coal operations.

[0046] Those skilled in the art should understand that the discussion of any of the above embodiments is merely illustrative and is not intended to imply that the scope of the present invention (including the claims) is limited to these examples. Within the scope of the present invention, the technical features in the above embodiments or different embodiments may be combined, the steps may be implemented in any order, and there are many other variations of the different aspects of the present invention as described above, which are not provided in detail for the sake of simplicity.

[0047] The present invention is intended to cover all such substitutions, modifications and variations that fall within the broad scope of the appended claims. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the scope of protection of the present invention.

Claims

1. A ventilation device for underground mines, characterized in that: include: A ventilation duct (1), wherein the bottom of the ventilation duct (1) is fixedly connected to a support seat (16), the bottom of the support seat (16) is provided with a roller (17), the top of the support seat (16) is threadedly connected to a threaded rod (18), the bottom of the threaded rod (18) is fixedly connected to a fixing rod (19), the outer side wall of the fixing rod (19) is rotatably connected to a fixing sleeve (20), the bottom of the fixing sleeve (20) is fixedly connected to a connecting rod (21), the bottom of the connecting rod (21) is fixedly connected to a support plate (22), and the bottom of the support plate (22) is provided with an anti-slip pad (23).

2. The underground mine ventilation device according to claim 1, characterized in that: A servo motor (2) is provided at the top of the ventilation duct (1); the bottom of the servo motor (2) is transmission-connected to a drive shaft (3); the bottom of the drive shaft (3) is fixedly connected to a first bevel gear (4); and the surface of the first bevel gear (4) is meshed with a second bevel gear (5).

3. The underground mine ventilation device according to claim 2, characterized in that: The second bevel gear (5) is fixedly connected to the inside of the central shaft (6); the outer wall of the central shaft (6) is fixedly connected to the fan (7); the top of the central shaft (6) is rotatably connected to the inside of the protective net (11); and the protective net (11) is fixedly connected to the inner wall of the ventilation duct (1).

4. The underground mine ventilation device according to claim 3, characterized in that: The other end of the central axis (6) away from the fan (7) is fixedly connected to a fixing seat (8), and a sliding groove (801) is provided on the side of the fixing seat (8). There are four sliding grooves (801), and the four sliding grooves (801) are distributed in a circular array on the side of the fixing seat (8).

5. The underground mine ventilation device according to claim 4, characterized in that: A spring (9) is fixedly connected to the interior of the slide groove (801), the bottom of the spring (9) is fixedly connected to the slider (1001), and the slider (1001) is fixedly connected to the side of the scraper (10).

6. The underground mine ventilation device according to claim 5, characterized in that: The other side of the ventilation duct (1) away from the protective net (11) is fixedly connected to a first connecting seat (101), and one end of the ventilation duct (1) away from the protective net (11) is provided with a fixing frame (13).

7. The underground mine ventilation device according to claim 6, characterized in that: The outer wall of the fixing frame (13) is fixedly connected to a second connecting seat (14), and the inner thread of the second connecting seat (14) is connected to a fixing bolt (15). The fixing frame (13) and the ventilation duct (1) are fixed by the cooperation of the first connecting seat (101), the second connecting seat (14) and the fixing bolt (15).

8. The underground mine ventilation device according to claim 7, characterized in that: A dustproof net (12) is provided inside the fixing frame (13), and the surface of the dustproof net (12) is in contact with the surface of the scraper (10).

9. The underground mine ventilation device according to claim 8, characterized in that: Two support seats (16) are provided, and the two support seats (16) are axially symmetrically distributed at the bottom of the ventilation duct (1); two threaded rods (18) are provided, and the two threaded rods (18) are axially symmetrically distributed at the top of the support seat (16).

10. The underground mine ventilation device according to claim 9, characterized in that: A dust inlet (24) is provided at the bottom of one side of the ventilation duct (1) close to the fixing frame (13), and the dust inlet (24) is located directly below the scraper (10). A dust collecting box (25) is provided inside the dust inlet (24).

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