Coal mine ventilation adjusting device

Abstract

The utility model provides an adjusting device for coal mine ventilation. The coal mine ventilation adjusting device comprises a fixing pipe, a supporting assembly, a connecting assembly and an air outlet pipe, the connecting assembly comprises a mounting pipe, one end of the fixing pipe is fixedly connected with a bent pipe, the end of the bent pipe is fixedly connected with a plurality of air distribution pipes, and the air distribution pipes are fixedly connected with the mounting pipe. The two ends of the installation pipe are fixedly connected with first annular pieces, a second annular piece is arranged at the position located on one side of each first annular piece, the end of the air distribution pipe is located between the first annular pieces and the second annular piece, and the first annular pieces and the second annular pieces are fixedly connected through locking bolts and nuts. The coal mine ventilation adjusting device has the advantages that a worker can conveniently install a tunneling face ventilation structure and adjust the position of the air distribution pipe, and meanwhile the surface of the louver can be automatically and finely cleaned.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of coal mine ventilation especially relates to a kind of adjustment device of coal mine ventilation. BACKGROUND

[0002] Underground ventilation is an important link of coal mine safety production, fresh air can be transported to underground through ventilation, to dilute toxic gases and provide workers with breathing safety guarantee. To exclude harmful gases of coal mine driving face and provide sufficient oxygen, fan is needed to be arranged in roadway to introduce fresh air to driving face.

[0003] Traditional driving face ventilation equipment still has certain deficiencies in use process: in order to keep proper distance with driving face continuously, the air inlet pipe of traditional driving face ventilation equipment generally adopts air distribution pipe, but equipment installation is troublesome, air distribution pipe position is inconvenient to adjust, and it is not easy to replace after damage, secondly, on the side air outlet of driving fan, louver blade used to adjust air flow is easy to accumulate a lot of coal dust, which will affect the normal opening and closing of louver after a long time, but it is relatively inconvenient to clean up, and manual operation is usually needed to complete.

[0004] Therefore, it is necessary to provide a new adjustment device of coal mine ventilation to solve the above technical problems. INVENTION CONTENTS

[0005] The utility model solves the technical problem to provide a kind of adjustment device of coal mine ventilation with the driving face ventilation structure of convenient worker installation and the position of adjusting air distribution pipe, can also automatically clean the surface of louver in detail.

[0006] To solve the above technical problems, the utility model provides an adjustment device of coal mine ventilation, which comprises a fixed pipe, a support assembly, a connecting assembly and an air outlet pipe, the connecting assembly comprises a mounting pipe, one end of the fixed pipe is fixedly connected with an elbow pipe, the end of the elbow pipe is fixedly connected with an air distribution pipe, the air distribution pipe is provided with a plurality of air distribution pipes, the two ends of the mounting pipe are fixedly connected with first annular pieces, a second annular piece is arranged on one side of the first annular piece, the end of the air distribution pipe is located between the first annular piece and the second annular piece, and the first annular piece and the second annular piece are fixedly connected by lock bolts and nuts.

[0007] The support assembly comprises a mounting piece, the mounting piece is provided with a plurality of mounting pieces and is fixedly connected with the bottom of the fixed pipe, the air outlet pipe and the mounting pipe, the mounting piece is fixedly connected with a frame body by bolts, the frame body is fixedly connected with a fixed plate inside, the fixed plate is longitudinally distributed with two, the surface of the upper fixed plate is rotatably connected with a rotating piece, the inside of the lower fixed plate is slidably connected with a rod body, and the rotating piece and the rod body are hinged with a connecting rod.

[0008] As a further scheme of the utility model, the bottom of the rod body is fixedly connected with a bottom plate, limited nails are fixedly connected to the bottom plate at four corner positions, and universal wheels are installed at the bottom of the two sides of the frame body.

[0009] Through the above technical scheme, the traditional air pipe needs to be hung up by installing a hanging rope structure in the roadway in front of the tunneling face, which makes the installation and position adjustment of the air pipe not convenient enough; in the structure, the air pipes are connected by the connecting assembly; when the air pipe is damaged, the locking bolt can be removed to take out the air pipe for quick replacement, which is simple to operate; the installation pipe is arranged on the frame body, and the user can push the frame body to move randomly in the roadway, so that the frame body can be in a suitable position for work; then, to prevent the universal wheel from moving, the user can rotate the rotating piece, press the rod body through the connecting rod, and make the limited nails smoothly inserted into the ground to fix the position of the structure; the structure design is reasonable, and the worker can flexibly adjust the position of the equipment according to the position of the tunneling face.

[0010] As a further scheme of the utility model, the air outlet pipe and the fixed pipe are fixedly connected with a tunneling fan, one end of the air outlet pipe relative to the tunneling fan is fixedly connected with a cover body, and the end of the cover body is fixedly connected with a louver frame.

[0011] Through the above technical scheme, the louver can be closed when not in use, so as to prevent external coal cinder, coal dust and the like from entering the inside of the cover body.

[0012] As a further scheme of the utility model, the inside of the louver frame is rotatably connected with a plurality of uniformly distributed blades, one end of the blade is fixedly connected with a first bevel gear, the first bevel gear is located on the outside of the louver frame, a second bevel gear is engaged on one side of the first bevel gear, and the first bevel gear and the second bevel gear are both located on the inside of the sealing shell.

[0013] Through the above technical scheme, when the louver is used, the transmission rod can be rotated by the driving motor, so as to drive the first bevel gear to rotate through the plurality of second bevel gears, and then the angle of the blade is adjusted or the blade is opened or closed.

[0014] As a further scheme of the utility model, the plurality of second bevel gears are fixedly connected with a transmission rod, one end of the transmission rod penetrates the surface of the sealing shell and is fixedly connected with the output end of the driving motor, and the driving motor is fixedly connected with the sealing shell.

[0015] Through the above technical scheme, the sealing shell can protect the first bevel gear and the second bevel gear inside, so as to prevent external coal dust and the like from affecting the normal use of the structure.

[0016] As a further scheme of the utility model, the louver frame top is provided with a cleaning assembly, the cleaning assembly comprises a threaded rod, the threaded rod is rotationally connected with the louver frame top, a movable piece is threadedly connected to the threaded rod surface, a connecting piece is fixedly connected to the movable piece surface, a cleaning brush is fixedly connected to the connecting piece bottom, and the cleaning brush abuts against the front wall surface of the louver frame.

[0017] Through the above technical scheme, the blades on the louver are used for a long time, dust is easily accumulated on the surface, and then the normal use is affected, at this time, the driving motor is opened to drive the transmission rod to rotate, the first bevel gear and the second bevel gear are used to change the position of the blade, the front and back surfaces of the blade can be sequentially rotated to the outside, then the control motor is started, the movable piece is driven to reciprocatingly lift by the rotating threaded rod, and the cleaning brush can clean the coal dust on the front and back surfaces of the blade, the cleaning effect of the structure is good, and the cleaning can be automatically performed without manual operation, which is more convenient and labor-saving.

[0018] As a further scheme of the utility model, the louver frame top is provided with a cleaning assembly, the cleaning assembly comprises a threaded rod, the threaded rod is rotationally connected with the louver frame top, a movable piece is threadedly connected to the threaded rod surface, a connecting piece is fixedly connected to the movable piece surface, a cleaning brush is fixedly connected to the connecting piece bottom, and the cleaning brush abuts against the front wall surface of the louver frame.

[0019] Through the above technical scheme, the threaded rod is provided to limit the position of the movable piece, so that the movable piece can stably lift when the control motor drives the threaded rod to rotate. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the drawings.

[0021] Figure 1 It is an overall structure schematic view of the adjusting device for coal mine ventilation in the utility model.

[0022] Figure 2 It is a partial structure schematic view of the adjusting device for coal mine ventilation in the utility model Figure 1 ;

[0023] Figure 3 It is a partial structure schematic view of the adjusting device for coal mine ventilation in the utility model Figure 2 ;

[0024] Figure 4 It is a partial structure schematic view of the adjusting device for coal mine ventilation in the utility model.

[0025] MAIN SYMBOL DESCRIPTION

[0026] 1. Fixed pipe; 2. Bend; 3. Tunneling fan; 4. Air distribution duct; 5. Support assembly; 6. Cleaning assembly; 7. Connecting assembly; 8. Air outlet duct; 9. Mounting component; 10. Louvered frame; 11. Blade; 12. First bevel gear; 13. Second bevel gear; 14. Cleaning brush; 15. Threaded rod; 16. Moving part; 17. Transmission rod; 18. Fixed plate; 19. Connecting rod; 20. Rod body; 21. Rotating part; 22. Frame body; 23. Limit pin; 24. Mounting pipe; 25. First annular component; 26. Second annular component; 27. Locking bolt. Detailed Implementation

[0027] Please combine Figures 1 to 4 ,in, Figure 1 This is a schematic diagram of the overall structure of a coal mine ventilation regulating device according to the present invention; Figure 2 This is a partial structural diagram of a coal mine ventilation regulating device according to the present invention. Figure 1 ; Figure 3 This is a partial structural diagram of a coal mine ventilation regulating device according to the present invention. Figure 2 ; Figure 4 This is a partially exploded structural diagram of a coal mine ventilation regulating device according to this utility model. The coal mine ventilation regulating device includes:

[0028] The assembly includes a fixed pipe 1, a support component 5, a connecting component 7, and an air outlet pipe 8. The connecting component 7 includes an installation pipe 24. One end of the fixed pipe 1 is fixedly connected to a bend pipe 2, and the end of the bend pipe 2 is fixedly connected to a distribution pipe 4. Several distribution pipes 4 are provided. Both ends of the installation pipe 24 are fixedly connected to a first annular member 25. A second annular member 26 is provided on one side of the first annular member 25. The end of the distribution pipe 4 is located between the first annular member 25 and the second annular member 26. The first annular member 25 and the second annular member 26 are fixedly connected by a locking bolt 27 and a nut.

[0029] The support assembly 5 includes mounting parts 9. Several mounting parts 9 are provided and are respectively fixedly connected to the bottom of the fixed pipe 1, the air outlet pipe 8 and the mounting pipe 24. The mounting parts 9 are fixedly connected to the frame 22 by bolts. The frame 22 is fixedly connected to the inside of the frame 22. There are two fixed plates 18 distributed longitudinally. The surface of the upper fixed plate 18 is rotatably connected to a rotating part 21. The inside of the lower fixed plate 18 is slidably connected to a rod 20. A connecting rod 19 is hinged between the rotating part 21 and the rod 20.

[0030] like Figures 1-4 As shown, a base plate is fixedly connected to the bottom of the rod 20, and limit pins 23 are fixedly connected to the four corners of the bottom of the base plate. Universal wheels are installed on both sides of the bottom of the frame 22.

[0031] The traditional air distribution pipe 4 needs to be hoisted by installing a hanging rope and other structures in the roadway in front of the tunneling face, so that the installation and position adjustment of the air distribution pipe 4 are not convenient, and the air distribution pipe 4 is connected with the air distribution pipe 4 by using the connecting assembly 7. When the air distribution pipe 4 is damaged, the locking bolt 27 can be removed to take out the air distribution pipe 4 for quick replacement, which is simple to operate. The installation pipe 24 is arranged on the frame body 22, and the user can push the frame body 22 to move randomly in the roadway, so that the frame body 22 can be in a suitable position for work. Then, to prevent the universal wheel from moving, the user can rotate the rotating piece 21, press the rod body 20 through the connecting rod 19, and make the limiting nails 23 smoothly inserted into the ground to fix the position of the structure. The structure design is reasonable, and the worker can flexibly adjust the position of the equipment according to the position of the tunneling face.

[0032] As shown in Figures 1-4 , the tunneling fan 3 is fixedly connected between the air outlet pipe 8 and the fixed pipe 1, one end of the air outlet pipe 8 is fixedly connected with the cover body relative to the tunneling fan 3, and the end of the cover body is fixedly connected with the louver frame 10.

[0033] The louver can be closed when not in use, thereby preventing external coal residue, coal dust and the like from entering the inside of the cover body.

[0034] As shown in Figures 1-4 , the louver frame 10 is rotatably connected with a plurality of uniformly distributed blades 11 inside, one end of the blade 11 is fixedly connected with the first bevel gear 12, the first bevel gear 12 is located outside the louver frame 10, the first bevel gear 12 is engaged with the second bevel gear 13 on one side, and the first bevel gear 12 and the second bevel gear 13 are both located inside the sealing shell.

[0035] When using the louver, the transmission rod 17 can be rotated by the driving motor, so that the first bevel gear 12 is driven to rotate by the plurality of second bevel gears 13, and the angle of the blade 11 is adjusted or opened and closed.

[0036] As shown in Figures 1-4 , the transmission rod 17 is fixedly connected between the plurality of second bevel gears 13, one end of the transmission rod 17 penetrates the surface of the sealing shell and is fixedly connected with the output end of the driving motor, and the driving motor is fixedly connected with the sealing shell.

[0037] The sealing shell can protect the first bevel gear 12 and the second bevel gear 13 inside, thereby preventing external coal dust and the like from affecting the normal use of the structure.

[0038] As shown in Figures 1-4As shown, the louver frame 10 top is provided with a cleaning assembly 6, the cleaning assembly 6 includes a threaded rod 15, the threaded rod 15 is rotatably connected with the top of the louver frame 10, the threaded rod 15 is threadedly connected with a movable element 16, the movable element 16 is fixedly connected with a connecting element, the bottom of the connecting element is fixedly connected with a cleaning brush 14, the cleaning brush 14 abuts with the front wall surface of the louver frame 10.

[0039] The louver blade 11 on the louver is used for a long time, the surface is easy to accumulate dust, and then the normal use is affected, at this time, the driving motor is opened to drive the transmission rod 17 to rotate, and the first bevel gear 12 and the second bevel gear 13 are engaged to change the position of the louver blade 11, so that the front and back surfaces of the louver blade 11 can be rotated to the outside in turn, then the control motor is started, the movable element 16 is driven to reciprocatingly lift by rotating the threaded rod 15, so that the cleaning brush 14 can clean the coal dust on the front and back surfaces of the louver blade 11, the cleaning effect of the structure is good, and the cleaning can be automatically performed without manual operation, which is more convenient and labor-saving.

[0040] As shown in the figure, Figures 1-4 The top of the louver frame 10 on one side of the threaded rod 15 is fixedly connected with a positioning rod, the top of the positioning rod is fixedly connected with a control motor, the output end of the control motor is fixedly connected with the threaded rod 15, and the movable element 16 is slidably connected with the positioning rod.

[0041] The positioning rod can limit the position of the movable element 16, so that the movable element 16 can stably lift when the control motor drives the threaded rod 15 to rotate.

[0042] The working principle of the adjusting device for coal mine ventilation provided by the utility model is as follows:

[0043] The first step: the traditional air distribution pipe 4 needs to be hung up in the roadway in front of the tunnel by installing a hanging rope and the like structure, so that the installation and position adjustment of the air distribution pipe 4 are not convenient, the air distribution pipe 4 and the air distribution pipe 4 are connected by the connecting assembly 7 in the structure, when the air distribution pipe 4 is damaged, the locking bolt 27 can be disassembled, so that the air distribution pipe 4 is taken out for quick replacement, the operation is simple and convenient, and the installation pipe 24 is arranged on the frame body 22, the user can push the frame body 22 to move randomly in the roadway, so that the frame body 22 can be in a suitable position for work, then the universal wheel is prevented from moving, the user can rotate the rotating piece 21, the connecting rod 19 is pressed downward on the rod body 20, so that the limiting nail 23 can be smoothly inserted into the ground to fix the position of the structure, the structure design is reasonable, the worker can flexibly adjust the equipment position according to the position of the tunnel face;

[0044] The second step: the shutter blade 11 is used for a long time, the surface is easy to accumulate dust, and then the normal use is affected, at this time, the driving motor can be opened to drive the transmission rod 17 to rotate, and the first bevel gear 12 and the second bevel gear 13 are engaged to change the position of the blade 11, so that the front and back of the blade 11 can be rotated to the outside in turn, then the control motor is started, the movable part 16 is driven to reciprocate by the rotating threaded rod 15, and the cleaning brush 14 can clean the coal dust on the front and back of the blade 11, so that the cleaning effect of the structure is good, and the cleaning can be automatically performed, without manual operation, which is more convenient and labor-saving.

[0045] It should be noted that the device structure and the drawings of the utility model mainly describe the principle of the utility model, and the setting of the power mechanism, the power supply system and the control system of the device is not completely described in the technical principle of the design, and under the premise that the above-mentioned utility model principle is understood by the person skilled in the art, the specific power mechanism, power supply system and control system can be clearly known, the control mode of the application file is automatically controlled by the controller, and the control circuit of the controller can be realized by simple programming of the person skilled in the art; the standard parts used can be purchased from the market, and can be ordered according to the description and the drawings; the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical parts and equipment adopt the conventional type in the prior art, and the components known by the person skilled in the art have the structure and principle known by the person skilled in the art. Although the embodiments of the utility model have been shown and described, it can be understood by the person skilled in the art that the embodiments can be changed, modified, replaced and changed or directly or indirectly applied without departing from the principle and spirit of the utility model, and the scope of the utility model is limited by the appended claims and their equivalents, and the same reason includes the patent protection range of the utility model.

Claims

1. A regulating device for ventilation of a coal mine, characterised in that The utility model provides a kind of air supply pipe and fixed pipe, including fixed pipe (1), support component (5), connecting component (7) and air outlet pipe (8), the connecting component (7) includes installation pipe (24), one end of the fixed pipe (1) is fixedly connected with elbow pipe (2), the end of the elbow pipe (2) is fixedly connected with air distribution pipe (4), the air distribution pipe (4) is provided with several, the both ends of the installation pipe (24) are fixedly connected with first annular piece (25), second annular piece (26) is arranged in the position of the first annular piece (25) side, the end of the air distribution pipe (4) is between first annular piece (25) and second annular piece (26), and the first annular piece (25) and second annular piece (26) are fixedly connected by lock bolt (27) and nut; The support component (5) includes a mounting member (9), which is fixedly connected to the bottom of the fixed pipe (1), the air outlet pipe (8), and the installation pipe (24), respectively. The mounting member (9) is fixedly connected with a frame body (22) through bolts. The frame body (22) is fixedly connected with a fixed plate (18) inside. The fixed plate (18) is longitudinally distributed with two. The upper fixed plate (18) is rotatably connected with a rotating member (21) on its surface. The lower fixed plate (18) is slidably connected with a rod body (20) inside. The rotating member (21) and the rod body (20) are hingedly connected with a connecting rod (19).

2. A coal mine ventilation regulating device as claimed in claim 1 wherein, The bottom of the rod body (20) is fixedly connected with a bottom plate. The bottom plate is fixedly connected with a limiting pin (23) at the four corners. The bottom of the both sides of the frame body (22) is installed with a universal wheel.

3. A coal mine ventilation regulating device as claimed in claim 1 wherein, The air outlet pipe (8) is fixedly connected with a tunneling fan (3) between the fixed pipe (1). One end of the air outlet pipe (8) is fixedly connected with a cover relative to the tunneling fan (3). The end of the cover is fixedly connected with a louver frame (10).

4. A coal mine ventilation regulating device as claimed in claim 3 wherein, The inside of the louver frame (10) is rotatably connected with several evenly distributed blades (11). One end of the blade (11) is fixedly connected with a first bevel gear (12). The first bevel gear (12) is located on the outside of the louver frame (10). One side of the first bevel gear (12) is engaged with a second bevel gear (13). The first bevel gear (12) and the second bevel gear (13) are both located on the inside of a sealed housing.

5. A coal mine ventilation regulating device as claimed in claim 4 wherein, Several second bevel gears (13) are fixedly connected with a transmission rod (17). One end of the transmission rod (17) penetrates the surface of the sealed housing and is fixedly connected with the output end of a driving motor. The driving motor is fixedly connected with the sealed housing.

6. A coal mine ventilation regulating device as claimed in claim 3 wherein, The louver frame (10) is installed with a cleaning assembly (6) on the top. The cleaning assembly (6) includes a threaded rod (15). The threaded rod (15) is rotatably connected with the top of the louver frame (10). The surface of the threaded rod (15) is threadedly connected with a movable member (16). The surface of the movable member (16) is fixedly connected with a connecting member. The bottom of the connecting member is fixedly connected with a cleaning brush (14). The cleaning brush (14) is abutted with the surface of the front wall of the louver frame (10).

7. A coal mine ventilation regulating device as claimed in claim 6 wherein, The louver frame (10) top fixed connection has the positioning rod on one side of the threaded rod (15), the top of the positioning rod is fixedly connected with the control motor, the output end of the control motor is fixedly connected with the threaded rod (15), and the movable element (16) is slidably connected with the positioning rod.

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