Coal mine ventilation adjusting steering structure and adjusting method thereof

Abstract

The invention discloses a coal mine ventilation adjusting steering structure and an adjusting method thereof, and relates to the technical field of coal mine ventilation. Comprising a hexagonal chassis, an air inlet pipe is fixedly arranged in the middle of the hexagonal chassis, a telescopic pipe is fixedly arranged at the top end of the air inlet pipe, an air outlet pipe is fixedly arranged at the top end of the telescopic pipe, a hexagonal lantern ring sleeves the middle of the outer ring surface of the air outlet pipe, and a hollow disc is fixedly arranged in a top end opening of the air outlet pipe; a fixing ring is fixedly arranged on the inner top wall of the hollow disc, a plurality of fan-shaped baffles distributed in a circle are hinged to the bottom face of the fixing ring, and the fan-shaped baffles are closed to be in a disc shape. The coal mine ventilation adjusting steering structure is easy and convenient to operate, flexible in steering, wide in adjusting range and capable of adapting to the complex mine environment, and the ventilation direction and the air outlet amount can be accurately adjusted.

Description

Technical Field

[0001] The invention relates to the technical field of coal mine ventilation, and in particular to a coal mine ventilation regulating and steering structure and a regulating method thereof. Background Art

[0002] Coal mine ventilation system is an important infrastructure to maintain mine safety and production. Adjusting ventilation is a key link in gas control, temperature regulation, dust suppression, etc. In order to adjust the ventilation direction, a coal mine ventilation adjustment steering structure is required.

[0003] The ventilation adjustment and steering structures currently used in coal mines are mostly mechanical. Traditional mechanical ventilation adjustment and steering structures have many disadvantages: some structures require manual adjustment, which is cumbersome and laborious to operate, and is affected by the miners' proficiency; it is difficult to accurately control the wind direction and to cope with sudden changes in mine airflow. Therefore, the current coal mine ventilation adjustment and steering structures are difficult to meet the needs of modern coal mines for efficient and accurate ventilation adjustment. Summary of the invention

[0004] The purpose of the present invention is to solve the shortcomings of the prior art and to propose a coal mine ventilation adjustment and steering structure and an adjustment method thereof.

[0005] In order to solve the problems existing in the prior art, the present invention adopts the following technical solutions: The present invention provides a coal mine ventilation adjustment and steering structure, comprising a hexagonal chassis, a circular through hole is opened in the middle of the hexagonal chassis, an air inlet pipe is fixedly arranged inside the circular through hole, a through-distributed telescopic pipe is fixedly arranged at the top end of the air inlet pipe, a through-distributed air outlet pipe is fixedly arranged at the top end of the telescopic pipe, a concentrically fixed hexagonal collar is sleeved at the middle of the outer annular surface of the air outlet pipe, and a concentrically distributed hollow disk is fixedly arranged inside the top end of the air outlet pipe; Three alternately distributed positioning blocks are fixed at the corners of the hexagonal collar, a positioning pin is rotatably inserted in the middle of each positioning block, and a bending swing arm is fixed at the outer end of each positioning pin; A first sleeve is rotatably sleeved on the middle of the outer annular surface of the air inlet pipe, a second sleeve is rotatably sleeved on the middle of the outer annular surface of the first sleeve, and a third sleeve is rotatably sleeved on the middle of the outer annular surface of the second sleeve; A concentrically distributed fixing ring is fixed on the inner top wall of the hollow disk, and a plurality of circularly distributed fan-shaped baffles are hinged on the bottom surface of the fixing ring, and the plurality of fan-shaped baffles are closed to form a disc shape, and the bottom surface of the fixing ring is movably hinged to a corner of the fan-shaped baffle.

[0006] Preferably, a first concentrically fixed ring is sleeved on the top of the outer annular surface of the first sleeve, a first L-shaped swing arm is fixed on the first ring, and the top end of the first L-shaped swing arm is movably hinged to the bottom end of the bent swing arm on the same side.

[0007] Preferably, a first gear ring is concentrically fixedly sleeved on the bottom of the outer annular surface of the first sleeve, a first motor with the output end facing upward is installed on the top surface of the hexagonal chassis, a first gear is concentrically fixedly sleeved on the end of the motor shaft of the first motor, and the first gear is meshingly connected with the first gear ring.

[0008] Preferably, a second ring is concentrically fixedly sleeved on the top of the outer annular surface of the second sleeve, a second L-shaped swing arm is fixedly provided on the second ring, and the top end of the second L-shaped swing arm is movably hinged to the bottom end of the bent swing arm on the same side.

[0009] Preferably, a second gear ring is concentrically fixedly sleeved on the bottom of the outer annular surface of the second sleeve, a second motor with the output end facing upward is installed on the top surface of the hexagonal chassis, and a second gear is concentrically fixedly sleeved on the end of the motor shaft of the second motor, and the second gear is meshingly connected with the second gear ring.

[0010] Preferably, a third ring is concentrically fixedly sleeved on the top of the outer annular surface of the third sleeve, a third L-shaped swing arm is fixed on the third ring, and the top end of the third L-shaped swing arm is movably hinged to the bottom end of the bent swing arm on the same side.

[0011] Preferably, a third gear ring is concentrically fixedly sleeved on the bottom of the outer ring surface of the third sleeve, a third motor with the output end facing upward is installed on the top surface of the hexagonal chassis, a third gear is concentrically fixedly sleeved on the end of the motor shaft of the third motor, and the third gear is meshingly connected with the third gear ring.

[0012] Preferably, a rotating ring is rotatably arranged concentrically on the outer edge of the inner top wall of the hollow disk, and a plurality of elliptical pin holes are arranged in a circular pattern on the rotating ring, and a limit pin is slidably engaged inside each of the elliptical pin holes, and the top end of each limit pin is fixedly connected to the inner top wall of the hollow disk; A plurality of circularly distributed fixed ear seats are fixedly arranged on the inner ring surface of the rotating ring, and an inner end portion of each of the fixed ear seats is hingedly provided with an articulated connecting rod, and the inner end portion of each of the articulated connecting rods is movably hinged to the other corner of the fan-shaped baffle on the same side.

[0013] Preferably, a rectangular notch is provided at the top of one side of the air outlet pipe, an arc-shaped gear ring is slidably engaged inside the rectangular notch, and the inner arc surface of the arc-shaped gear ring is fixedly connected to the outer ring surface of the rotating ring; A fourth motor with an output end facing upward is mounted on the top surface of the hexagonal collar, a fourth gear fixedly connected concentrically is sleeved on the motor shaft end of the fourth motor, and the fourth gear is meshedly connected with the arc-shaped gear ring.

[0014] The present invention also provides a method for adjusting a coal mine ventilation adjustment and steering structure, which adopts the above-mentioned coal mine ventilation adjustment and steering structure and comprises the following steps: Step 1: Install the hexagonal chassis on the coal mine ventilation equipment, and the wind generated by the coal mine ventilation equipment is discharged along the air inlet pipe, the telescopic pipe, the air outlet pipe, the hollow plate and a plurality of fan-shaped baffles; the inclination angle of the hexagonal ring is adjusted by the first motor, the second motor and the third motor in turn to adjust the air outlet direction of the air outlet pipe; Step 2: Under the driving action of the first motor, the motor shaft of the first motor drives the first gear to rotate synchronously, and the first gear meshes to drive the first gear ring, the first sleeve, the first ring, and the first L-shaped swing arm to rotate along the air inlet pipe. Under the hinged action of the first L-shaped swing arm and the bent swing arm, the hexagonal ring and the air outlet pipe are driven to tilt toward the corresponding side; Step 3: Under the driving action of the second motor, the motor shaft of the second motor drives the second gear to rotate synchronously, and the meshing of the second gear drives the second gear ring, the second sleeve, the second ring, and the second L-shaped swing arm to rotate along the first sleeve. Under the hinged action of the second L-shaped swing arm and the bent swing arm, the hexagonal ring and the air outlet pipe are driven to tilt toward the corresponding side; Step 4: Under the driving action of the third motor, the motor shaft of the third motor drives the third gear to rotate synchronously, and the meshing of the third gear drives the third gear ring, the third sleeve, the third ring, and the third L-shaped swing arm to rotate along the second sleeve. Under the hinged action of the third L-shaped swing arm and the bent swing arm, the hexagonal ring and the air outlet pipe are driven to tilt toward the corresponding side; Step 5: Under the driving action of the fourth motor, the motor shaft of the fourth motor drives the fourth gear to rotate synchronously, and the meshing of the fourth gear drives the arc gear ring and the rotating ring to rotate slightly along the plurality of limit pins; The fixed ear seat on the rotating ring drives the fan-shaped baffles to rotate along the fixed ring through the hinged connecting rod, so that a plurality of fan-shaped baffles are spread out in a divergent shape to adjust the air volume of the air outlet duct.

[0015] Compared with the prior art, the present invention has the following beneficial effects: 1. In the present invention, the inclination angle of the hexagonal ring is adjusted by three motors, so that the air outlet direction of the air outlet pipe can be accurately changed, so that the air outlet direction of the air outlet pipe can be adjusted and optimized according to actual conditions, thereby enabling the wind flow to flow more smoothly in the lane, reducing the energy loss of the wind flow on obstacles such as the lane wall; 2. In the present invention, the divergent expansion design of the fan-shaped baffle makes ventilation adjustment more flexible. The air volume of the air outlet pipe can be quickly adjusted according to the mining progress and the changes of the ventilation system to adapt to different ventilation conditions. The air volume can be accurately distributed according to the actual ventilation needs of different working areas in the coal mine, ensuring that each work location has a suitable air volume, thereby effectively diluting the concentration of harmful gases such as gas; 3. By setting up multiple motors to work together, the manual workload is reduced to the greatest extent, the operation is simple, time-saving and labor-saving, and is not limited by the miners' operating proficiency; To sum up, the present invention provides a coal mine ventilation adjustment and steering structure that is simple and convenient to operate, flexible in steering, has a wide adjustment range, and can adapt to complex mine environments. It can accurately adjust the ventilation direction and air volume, ensure the efficient and stable operation of the mine ventilation system, and provide strong guarantees for safe production in coal mines. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of this application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the drawings: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic cross-sectional view of the overall structure of the present invention; Figure 3 It is an exploded schematic diagram of the hexagonal chassis, the first sleeve, the second sleeve, the third sleeve, and the hexagonal collar in the present invention; Figure 4 It is a schematic diagram of the structure of the air inlet pipe, the telescopic pipe, the air outlet pipe and the hollow plate in the present invention; Figure 5 for Figure 4 Schematic cross-section diagram of Figure 6 for Figure 5 Explosion diagram of Serial numbers in the figure: 1, hexagonal chassis; 2, air inlet pipe; 3, telescopic pipe; 4, air outlet pipe; 5, hexagonal ring; 6, hollow plate; 7, positioning block; 8, positioning pin; 9, bending swing arm; 10, first sleeve; 11, second sleeve; 12, third sleeve; 13, first ring; 14, first L-shaped swing arm; 15, second ring; 16, second L-shaped swing arm; 17, third ring; 18, third L-shaped swing arm; 1 9. First gear ring; 20. Second gear ring; 21. Third gear ring; 22. First motor; 23. First gear; 24. Second motor; 25. Second gear; 26. Third motor; 27. Third gear; 28. Fourth motor; 29. ​​Fourth gear; 30. Fixed ring; 31. Fan-shaped baffle; 32. Rotating ring; 33. Fixed ear seat; 34. Limit pin; 35. Articulated connecting rod; 36. Arc gear ring. DETAILED DESCRIPTION

[0017] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all the embodiments.

[0018] Embodiment 1: This embodiment provides a coal mine ventilation adjustment and steering structure, see Figure 1-6 , comprising a hexagonal chassis 1, a circular through hole is opened in the middle of the hexagonal chassis 1, an air inlet pipe 2 is fixedly arranged inside the circular through hole, a through-distributed telescopic pipe 3 is fixedly arranged at the top end of the air inlet pipe 2, a through-distributed air outlet pipe 4 is fixedly arranged at the top end of the telescopic pipe 3, a concentrically fixed hexagonal collar 5 is sleeved in the middle of the outer annular surface of the air outlet pipe 4, and a concentrically distributed hollow disk 6 is fixedly arranged in the top end of the air outlet pipe 4; Three alternately distributed positioning blocks 7 are fixed at the corners of the hexagonal collar 5, and a positioning pin 8 is rotatably inserted in the middle of each positioning block 7, and a bending swing arm 9 is fixed at the outer end of each positioning pin 8; A first sleeve 10 is rotatably sleeved on the middle of the outer ring surface of the air inlet pipe 2, a second sleeve 11 is rotatably sleeved on the middle of the outer ring surface of the first sleeve 10, and a third sleeve 12 is rotatably sleeved on the middle of the outer ring surface of the second sleeve 11; A concentrically distributed fixing ring 30 is fixed on the inner top wall of the hollow disk 6, and a plurality of circularly distributed fan-shaped baffles 31 are hingedly provided on the bottom surface of the fixing ring 30, and the plurality of fan-shaped baffles 31 are closed to form a disc shape, and the bottom surface of the fixing ring 30 is movably hinged to a corner of the fan-shaped baffle 31.

[0019] Embodiment 2: Based on Embodiment 1, this embodiment also includes the following contents: like Figure 1 and Figure 3As shown, a concentrically fixed first sleeve ring 13 is sleeved on the top of the outer ring surface of the first sleeve 10, and a first L-shaped swing arm 14 is fixed on the first sleeve ring 13. The top end of the first L-shaped swing arm 14 is movably hinged to the bottom end of the bending swing arm 9 on the same side. Under the hinged action of the first L-shaped swing arm 14 and the bending swing arm 9, the hexagonal sleeve ring 5 and the air outlet pipe 4 can be driven to tilt toward the corresponding side; The bottom of the outer ring surface of the first sleeve 10 is sleeved with a concentrically fixed first gear ring 19, and a first motor 22 with an output end facing upward is installed on the top surface of the hexagonal chassis 1. The motor shaft end of the first motor 22 is sleeved with a concentrically fixed first gear 23. Under the driving action of the first motor 22, the motor shaft of the first motor 22 can drive the first gear 23 to rotate synchronously. The first gear 23 is meshed and connected with the first gear ring 19. The first gear 23 can mesh and drive the first gear ring 19, the first sleeve 10, the first ring 13, and the first L-shaped swing arm 14 to rotate along the air inlet pipe 2; A concentrically fixed second sleeve ring 15 is sleeved on the top of the outer ring surface of the second sleeve 11, and a second L-shaped swing arm 16 is fixed on the second sleeve ring 15. The top end of the second L-shaped swing arm 16 is movably hinged to the bottom end of the bending swing arm 9 on the same side. Under the hinged action of the second L-shaped swing arm 16 and the bending swing arm 9, the hexagonal sleeve ring 5 and the air outlet pipe 4 can be driven to tilt toward the corresponding side; The bottom of the outer ring surface of the second sleeve 11 is sleeved with a concentrically fixed second gear ring 20, and a second motor 24 with an output end facing upward is installed on the top surface of the hexagonal chassis 1. The motor shaft end of the second motor 24 is sleeved with a concentrically fixed second gear 25. Under the driving action of the second motor 24, the motor shaft of the second motor 24 can drive the second gear 25 to rotate synchronously. The second gear 25 is meshed and connected with the second gear ring 20. The second gear 25 can mesh and drive the second gear ring 20, the second sleeve 11, the second ring 15, and the second L-shaped swing arm 16 to rotate along the first sleeve 10; A third sleeve ring 17 is concentrically fixedly sleeved on the top of the outer ring surface of the third sleeve 12, and a third L-shaped swing arm 18 is fixedly arranged on the third sleeve ring 17. The top end of the third L-shaped swing arm 18 is movably hinged to the bottom end of the bending swing arm 9 on the same side. Under the hinged action of the third L-shaped swing arm 18 and the bending swing arm 9, the hexagonal sleeve ring 5 and the air outlet pipe 4 can be driven to tilt toward the corresponding side. A third gear ring 21 is sleeved on the bottom of the outer ring surface of the third sleeve 12, and a third motor 26 with an output end facing upward is installed on the top surface of the hexagonal chassis 1. A third gear 27 is sleeved on the end of the motor shaft of the third motor 26, and a third gear 27 is sleeved on the end of the motor shaft of the third motor 26. Under the driving action of the third motor 26, the motor shaft of the third motor 26 can drive the third gear 27 to rotate synchronously. The third gear 27 is meshed and connected with the third gear ring 21. The third gear 27 can mesh and drive the third gear ring 21, the third sleeve 12, the third ring 17, and the third L-shaped swing arm 18 to rotate along the second sleeve 11; By adjusting the inclination angles of the hexagonal collar 5 and the air outlet pipe 4 through three motors, the air outlet direction of the air outlet pipe 4 can be accurately changed; In underground coal mines, different working areas and tunnel structures have different requirements for ventilation direction. Adjusting the inclination angle of the air outlet pipe 4 can make the ventilation system better adapt to the complex tunnel layout. By adjusting the air outlet direction, fresh air can be delivered to each corner where it is needed. At the same time, the polluted air can also be effectively guided to the return air tunnel to avoid ventilation blind spots and improve the adaptability of the entire ventilation system to the complex tunnel environment.

[0020] Embodiment 3: Based on Embodiment 2, this embodiment also includes the following contents: like Figure 5 and Figure 6 As shown, a rotating ring 32 is rotatably arranged concentrically on the outer edge of the inner top wall of the hollow disk 6, and a plurality of elliptical pin holes are arranged in a circular pattern on the rotating ring 32. A limit pin 34 is slidably engaged inside each elliptical pin hole, and the top end of each limit pin 34 is fixedly connected to the inner top wall of the hollow disk 6. A plurality of circularly distributed fixed ear seats 33 are fixed on the inner ring surface of the rotating ring 32, and an inner end of each fixed ear seat 33 is hingedly provided with a hinged connecting rod 35, and the inner end of each hinged connecting rod 35 is movably hinged to the other corner of the fan-shaped baffle 31 on the same side. The fixed ear seats 33 on the rotating ring 32 can drive the fan-shaped baffle 31 to rotate along the fixed ring 30 through the hinged connecting rod 35, so that the plurality of fan-shaped baffles 31 are spread out in a divergent shape to adjust the air volume of the air outlet pipe 4; A rectangular notch is formed at the top of one side of the air outlet pipe 4, and an arc gear ring 36 is slidably engaged inside the rectangular notch, and the inner arc surface of the arc gear ring 36 is fixedly connected to the outer ring surface of the rotating ring 32; A fourth motor 28 with an output end facing upward is installed on the top surface of the hexagonal collar 5. A fourth gear 29 is sleeved on the end of the motor shaft of the fourth motor 28 and fixedly connected concentrically. Under the driving action of the fourth motor 28, the motor shaft of the fourth motor 28 can drive the fourth gear 29 to rotate synchronously. The fourth gear 29 is meshed and connected with the arc gear ring 36. The fourth gear 29 can mesh and drive the arc gear ring 36 and the rotating ring 32 to rotate slightly along a plurality of limit pins 34. A plurality of fan-shaped baffles 31 are spread out in a divergent shape, so that the air volume can be precisely adjusted. When the air volume needs to be increased, the fan-shaped baffles 31 can be spread out at a larger angle to increase the effective ventilation area of ​​the air outlet. On the contrary, when the air volume needs to be reduced, the spread angle of the fan-shaped baffles 31 can be reduced to reduce the ventilation area.

[0021] Specifically, the working principle and operation method of the present invention are as follows: Step 1: Install the hexagonal chassis 1 on the coal mine ventilation equipment, and the wind generated by the coal mine ventilation equipment is discharged along the air inlet pipe 2, the telescopic pipe 3, the air outlet pipe 4, the hollow plate 6 and a plurality of fan-shaped baffles 31; the inclination angle of the hexagonal ring 5 is adjusted by the first motor 22, the second motor 24 and the third motor 26 in turn to adjust the air outlet direction of the air outlet pipe 4; Step 2: Under the driving action of the first motor 22, the motor shaft of the first motor 22 drives the first gear 23 to rotate synchronously, and the first gear 23 meshes and drives the first gear ring 19, the first sleeve 10, the first ring 13, and the first L-shaped swing arm 14 to rotate along the air inlet pipe 2. Under the hinged action of the first L-shaped swing arm 14 and the bent swing arm 9, the hexagonal ring 5 and the air outlet pipe 4 are driven to tilt toward the corresponding side; Step 3: Under the driving action of the second motor 24, the motor shaft of the second motor 24 drives the second gear 25 to rotate synchronously, and the second gear 25 meshes to drive the second gear ring 20, the second sleeve 11, the second ring 15, and the second L-shaped swing arm 16 to rotate along the first sleeve 10. Under the hinged action of the second L-shaped swing arm 16 and the bent swing arm 9, the hexagonal ring 5 and the air outlet pipe 4 are driven to tilt toward the corresponding side; Step 4: Under the driving action of the third motor 26, the motor shaft of the third motor 26 drives the third gear 27 to rotate synchronously, and the third gear 27 meshes and drives the third gear ring 21, the third sleeve 12, the third sleeve ring 17, and the third L-shaped swing arm 18 to rotate along the second sleeve 11. Under the hinged action of the third L-shaped swing arm 18 and the bent swing arm 9, the hexagonal sleeve ring 5 and the air outlet pipe 4 are driven to tilt toward the corresponding side; Step 5: Under the driving action of the fourth motor 28, the motor shaft of the fourth motor 28 drives the fourth gear 29 to rotate synchronously, and the fourth gear 29 meshes to drive the arc gear ring 36 and the rotating ring 32 to rotate slightly along the plurality of limit pins 34; The fixed ear seat 33 on the rotating ring 32 drives the fan-shaped baffles 31 to rotate along the fixed ring 30 through the hinged connecting rod 35, so that the fan-shaped baffles 31 are spread out in a divergent shape to adjust the air volume of the air outlet pipe 4.

[0022] The present invention provides a coal mine ventilation adjustment and steering structure which is simple and convenient to operate, flexible in steering, has a wide adjustment range, and can adapt to complex mine environments. It can accurately adjust the ventilation direction and air volume, ensure the efficient and stable operation of the mine ventilation system, and provide strong guarantee for safe production in coal mines.

[0023] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical scheme and inventive concept of the present invention within the technical scope disclosed by the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A coal mine ventilation adjustment and steering structure, characterized in that: It comprises a hexagonal chassis (1), a circular through hole is provided in the middle of the hexagonal chassis (1), an air inlet pipe (2) is fixedly provided inside the circular through hole, a through-distributed telescopic pipe (3) is fixedly provided at the top end of the air inlet pipe (2), an through-distributed air outlet pipe (4) is fixedly provided at the top end of the telescopic pipe (3), a through-distributed air outlet pipe (4) is fixedly provided, a concentrically fixed hexagonal collar (5) is sleeved on the middle of the outer annular surface of the air outlet pipe (4), and a concentrically distributed hollow disk (6) is fixedly provided inside the top end of the air outlet pipe (4); Three alternately distributed positioning blocks (7) are fixedly provided at the corners of the hexagonal collar (5); a positioning pin (8) is rotatably inserted in the middle of each positioning block (7); and a bending swing arm (9) is fixedly provided at the outer end of each positioning pin (8); A first sleeve (10) is rotatably mounted on the middle of the outer ring surface of the air inlet pipe (2), a second sleeve (11) is rotatably mounted on the middle of the outer ring surface of the first sleeve (10), and a third sleeve (12) is rotatably mounted on the middle of the outer ring surface of the second sleeve (11); A concentrically distributed fixing ring (30) is fixedly provided on the inner top wall of the hollow disk (6), and a plurality of circularly distributed fan-shaped baffles (31) are hingedly provided on the bottom surface of the fixing ring (30), and the plurality of fan-shaped baffles (31) are closed to form a disk shape, and the bottom surface of the fixing ring (30) is movably hinged to a corner of the fan-shaped baffle (31).

2. A coal mine ventilation adjustment and steering structure according to claim 1, characterized in that: A first sleeve ring (13) is concentrically fixedly sleeved on the top of the outer annular surface of the first sleeve (10), a first L-shaped swing arm (14) is fixedly mounted on the first sleeve ring (13), and a top end portion of the first L-shaped swing arm (14) is movably hinged to a bottom end portion of a bent swing arm (9) on the same side.

3. A coal mine ventilation adjustment and steering structure according to claim 2, characterized in that: The bottom of the outer annular surface of the first sleeve (10) is sleeved with a concentrically fixed first gear ring (19); the top surface of the hexagonal chassis (1) is mounted with a first motor (22) with an output end facing upward; the end of the motor shaft of the first motor (22) is sleeved with a concentrically fixed first gear (23); the first gear (23) is meshingly connected to the first gear ring (19).

4. A coal mine ventilation adjustment and steering structure according to claim 3, characterized in that: A second sleeve ring (15) is concentrically fixedly sleeved on the top of the outer annular surface of the second sleeve (11), a second L-shaped swing arm (16) is fixedly mounted on the second sleeve ring (15), and the top end of the second L-shaped swing arm (16) is movably hinged to the bottom end of the bent swing arm (9) on the same side.

5. A coal mine ventilation adjustment and steering structure according to claim 4, characterized in that: The bottom of the outer annular surface of the second sleeve (11) is sleeved with a concentrically fixed second gear ring (20), the top surface of the hexagonal chassis (1) is mounted with a second motor (24) with the output end facing upwards, the motor shaft end of the second motor (24) is sleeved with a concentrically fixed second gear (25), and the second gear (25) is meshingly connected to the second gear ring (20).

6. A coal mine ventilation adjustment and steering structure according to claim 5, characterized in that: A third sleeve ring (17) is concentrically fixedly sleeved on the top of the outer ring surface of the third sleeve (12), a third L-shaped swing arm (18) is fixedly mounted on the third sleeve ring (17), and the top end of the third L-shaped swing arm (18) is movably hinged to the bottom end of the bent swing arm (9) on the same side.

7. A coal mine ventilation adjustment and steering structure according to claim 6, characterized in that: The bottom of the outer ring surface of the third sleeve (12) is sleeved with a concentrically fixed third gear ring (21), the top surface of the hexagonal chassis (1) is mounted with a third motor (26) with the output end facing upwards, the motor shaft end of the third motor (26) is sleeved with a concentrically fixed third gear (27), and the third gear (27) is meshingly connected to the third gear ring (21).

8. A coal mine ventilation adjustment and steering structure according to claim 7, characterized in that: A rotating ring (32) is rotatably arranged concentrically on the outer edge of the inner top wall of the hollow disk (6), and a plurality of elliptical pin holes distributed in a circular pattern are opened on the rotating ring (32). A limit pin shaft (34) is slidably engaged inside each of the elliptical pin holes, and the top end of each limit pin shaft (34) is fixedly connected to the inner top wall of the hollow disk (6); A plurality of circularly distributed fixed ear seats (33) are fixedly provided on the inner ring surface of the rotating ring (32), and an inner end portion of each fixed ear seat (33) is hingedly provided with a hinged connecting rod (35), and the inner end portion of each hinged connecting rod (35) is movably hinged to the other corner of the fan-shaped baffle (31) on the same side.

9. A coal mine ventilation adjustment and steering structure according to claim 8, characterized in that: A rectangular notch is provided at the top of one side of the air outlet pipe (4), an arc-shaped gear ring (36) is slidably engaged inside the rectangular notch, and an inner arc-shaped surface of the arc-shaped gear ring (36) is fixedly connected to the outer ring surface of the rotating ring (32); A fourth motor (28) with an output end facing upward is mounted on the top surface of the hexagonal collar (5); a fourth gear (29) is concentrically fixedly sleeved on the end of the motor shaft of the fourth motor (28); and the fourth gear (29) is meshingly connected to the arc-shaped gear ring (36).

10. A method for adjusting a coal mine ventilation adjustment and steering structure according to claim 9, characterized in that: The following steps are involved: Step 1: Install the hexagonal chassis (1) on the coal mine ventilation equipment, and the wind generated by the coal mine ventilation equipment is discharged along the air inlet pipe (2), the telescopic pipe (3), the air outlet pipe (4), the hollow plate (6) and a plurality of fan-shaped baffles (31); the inclination angle of the hexagonal ring (5) is adjusted by the first motor (22), the second motor (24) and the third motor (26) in turn to adjust the air outlet direction of the air outlet pipe (4); Step 2: under the driving action of the first motor (22), the motor shaft of the first motor (22) drives the first gear (23) to rotate synchronously, and the first gear (23) meshes to drive the first gear ring (19), the first sleeve (10), the first sleeve ring (13), and the first L-shaped swing arm (14) to rotate along the air inlet pipe (2), and under the hinged action of the first L-shaped swing arm (14) and the bent swing arm (9), the hexagonal sleeve ring (5) and the air outlet pipe (4) are driven to tilt toward the corresponding side; Step 3: under the driving action of the second motor (24), the motor shaft of the second motor (24) drives the second gear (25) to rotate synchronously, and the second gear (25) meshes and drives the second gear ring (20), the second sleeve (11), the second sleeve ring (15), and the second L-shaped swing arm (16) to rotate along the first sleeve (10), and under the hinged action of the second L-shaped swing arm (16) and the bent swing arm (9), the hexagonal sleeve ring (5) and the air outlet pipe (4) are driven to tilt toward the corresponding side; Step 4: under the driving action of the third motor (26), the motor shaft of the third motor (26) drives the third gear (27) to rotate synchronously, and the third gear (27) meshes to drive the third gear ring (21), the third sleeve (12), the third sleeve ring (17), and the third L-shaped swing arm (18) to rotate along the second sleeve (11), and under the hinged action of the third L-shaped swing arm (18) and the bent swing arm (9), the hexagonal sleeve ring (5) and the air outlet pipe (4) are driven to tilt toward the corresponding side; Step 5: under the driving action of the fourth motor (28), the motor shaft of the fourth motor (28) drives the fourth gear (29) to rotate synchronously, and the fourth gear (29) meshes to drive the arc-shaped gear ring (36) and the rotating ring (32) to rotate slightly along the plurality of limit pins (34); The fixed ear seat (33) on the rotating ring (32) drives the fan-shaped baffles (31) to rotate along the fixed ring (30) through the hinged connecting rod (35), so that the plurality of fan-shaped baffles (31) are spread out in a divergent shape to adjust the air output volume of the air outlet pipe (4).

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