CN221096591U - Coal mine ventilation air door locking device - Google Patents
Coal mine ventilation air door locking device Download PDFInfo
- Publication number
- CN221096591U CN221096591U CN202323346237.9U CN202323346237U CN221096591U CN 221096591 U CN221096591 U CN 221096591U CN 202323346237 U CN202323346237 U CN 202323346237U CN 221096591 U CN221096591 U CN 221096591U
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- Prior art keywords
- gear
- bevel gear
- door body
- coal mine
- door
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- 238000009423 ventilation Methods 0.000 title claims abstract description 32
- 239000003245 coal Substances 0.000 title claims abstract description 15
- 230000007246 mechanism Effects 0.000 claims abstract description 31
- 238000007789 sealing Methods 0.000 claims description 11
- 230000009467 reduction Effects 0.000 claims description 6
- 230000008878 coupling Effects 0.000 claims description 4
- 238000010168 coupling process Methods 0.000 claims description 4
- 238000005859 coupling reaction Methods 0.000 claims description 4
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
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- Power-Operated Mechanisms For Wings (AREA)
Abstract
The utility model discloses a coal mine ventilation air door locking device which comprises a fixed column and a wall body, wherein 2 door bodies are rotatably arranged on the side face of the wall body, a ventilation mechanism and a rotating mechanism are arranged in the door bodies, a power mechanism is arranged in the wall body, a speed reducing mechanism is arranged in the power mechanism, a screw rod structure is connected with the side face of the speed reducing mechanism, and a connecting mechanism is arranged on the side face of the screw rod structure; when the door is used, when the motor drives the sun gear to rotate to one side, the single door body is driven to rotate, and when the door body rotates, the door body is opened firstly, so that the air pressures of the inner side and the outer side of the door body are the same, and then the door body is driven to be opened.
Description
Technical Field
The utility model relates to the technical field of coal mine ventilation, in particular to a coal mine ventilation air door locking device.
Background
The ventilation is needed to be carried out in the coal mine excavating process, so that enough air exists in the coal mine, the underground personnel can breathe needed oxygen, the ventilation system is avoided being destroyed when the ventilation door is opened by the ventilation door, at least two ventilation doors are needed to be arranged in the same roadway, one ventilation door is required to be in a closed state, and when the general ventilation door is opened, the phenomenon that the ventilation door is difficult to open can occur due to different air pressures at two sides of the ventilation door, and the device is further unfavorable for use.
Disclosure of utility model
The utility model aims to provide a coal mine ventilation air door locking device which is used for solving the problems in the background technology.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a colliery ventilation air door blocking device, includes fixed column and wall body, the side rotation of wall body is provided with 2 door bodies, the inside of door body is provided with ventilation mechanism and slewing mechanism, the inside of wall body is provided with power unit, power unit's inside is provided with reduction gears, reduction gears's side is connected with the lead screw structure, the side of lead screw structure is provided with coupling mechanism.
Further, the power mechanism comprises a fixed column and a motor, wherein the fixed column is arranged in the wall body, and the motor is arranged at the upper end of the fixed column.
Further, the reducing mechanism comprises a sun gear, a planetary gear, a combining sleeve, a fixed disc and a driving gear, wherein the sun gear is rotationally arranged in the fixed column, an output shaft of the motor is connected with the sun gear, the side face of the sun gear is rotationally meshed with the planetary gear, the side face of the planetary gear is connected with the combining sleeve, the combining sleeve is arranged on the inner side of the fixed column, the fixed disc is rotationally arranged on the side face of the planetary gear, the fixed disc is rotationally arranged in the fixed column, the driving gear is connected with the other end of the fixed disc, when the device is used, the motor drives the sun gear to rotate, the sun gear can be driven to move when the sun gear rotates, the combining sleeve can ensure stability of the planetary gear when the planetary gear moves, and the fixed disc can be driven to rotate when the planetary gear rotates, so as to drive the driving gear to move.
Further, the side meshing of driving gear is connected with driven gear, driven gear rotates the inside that sets up at the wall body, the diameter of driving gear is greater than driven gear's diameter, driven gear's side meshing is connected with the lead screw structure, can drive driven gear when the device is when using, and because driving gear's diameter is less than driven gear's diameter, can increase driven gear's moment of torsion when driving gear rotates to make driving gear can effectually drive driven gear and rotate, make driven gear can be light drive rack and remove.
Further, the lead screw structure comprises a rack and a lead screw, the rack is arranged in the wall body in a sliding mode, the rack and the driven gear are in threaded connection, the lead screws are symmetrically arranged on two sides of the rack, and when the rack moves, the lead screws on two sides are driven to move, so that the position of the lead screw is adjusted.
Further, coupling mechanism includes first bevel gear, second bevel gear and third bevel gear, first bevel gear rotates the inside that sets up at the wall body, first bevel gear's inside threaded connection has the lead screw, first bevel gear's side meshing is connected with the second bevel gear, second bevel gear's side is connected with the third bevel gear, the third bevel gear sets up in the inside of the door body, when the device is in use, when the lead screw removes, because the lead screw can drive first bevel gear and rotate, can drive second bevel gear and third bevel gear and rotate when first bevel gear rotates, can drive fourth bevel gear and rotate when third bevel gear rotates, and the fixed axle can rotate simultaneously when fourth bevel gear rotates.
Further, the slewing mechanism comprises a fixed shaft, a fourth bevel gear, a sealing plate and a baffle, wherein the fixed shaft is rotationally arranged in the door body, the fourth bevel gear is arranged on the side face of the fixed shaft, the third bevel gear and the fourth bevel gear are in meshed connection, the sealing plate is symmetrically arranged on the side face of the fixed shaft, the baffle is arranged in the door body, the baffle and the sealing plate are located on the same horizontal plane, when the device is in use, the sealing plate can be driven to rotate when the fixed shaft rotates, and the door body can be driven to rotate when the sealing plate moves to be in contact with the baffle, so that the door body is driven to rotate.
Further, the ventilation mechanism comprises through holes, the through holes are symmetrically formed in the door body, the sealing plates are sealed to the through holes, when the device is used, the sealing plates can rotate along with the fixing shafts, and when the sealing plates are not used for sealing the through holes, gas at two sides of the door body can circulate through the through holes, so that the gas pressures at two sides of the door body are the same, and the door body can be opened easily.
Compared with the prior art, the utility model has the following beneficial effects: when the door is used, the motor drives the sun gear to rotate to one side, the single door body is driven to rotate, and when the door body rotates, the door body is opened first, so that the air pressures at the inner side and the outer side of the door body are the same, and then the door body is driven to be opened.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic top view of the wall and door mounting of the present utility model;
FIG. 2 is a schematic view of the drive gear and stationary post mounting structure of the present utility model;
FIG. 3 is a schematic top view of the door and stationary shaft mounting of the present utility model;
Fig. 4 is a schematic view of the sun gear and planet gear mounting structure of the present utility model.
In the figure: 1. fixing the column; 2. a motor; 3. a sun gear; 4. a planetary gear; 5. a combining sleeve; 6. a fixed plate; 7. a drive gear; 8. a wall body; 9. a driven gear; 10. a rack; 11. a screw rod; 12. a first bevel gear; 13. a second bevel gear; 14. a third bevel gear; 15. a door body; 16. a fixed shaft; 17. a fourth bevel gear; 18. a closing plate; 19. a baffle; 20. and a through hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-4, the present utility model provides the following technical solutions: the utility model provides a colliery ventilation air door blocking device, includes fixed column 1 and wall body 8, and the side rotation of wall body 8 is provided with 2 door bodies 15, and the inside of door body 15 is provided with ventilation mechanism and slewing mechanism, and the inside of wall body 8 is provided with power unit, and power unit's inside is provided with reduction gears, and reduction gears's side is connected with the lead screw structure, and the side of lead screw structure is provided with coupling mechanism.
The power mechanism comprises a fixed column 1 and a motor 2, the fixed column 1 is arranged in the wall body 8, and the motor 2 is arranged at the upper end of the fixed column 1.
The speed reducing mechanism comprises a sun gear 3, a planet gear 4, a combining sleeve 5, a fixed disc 6 and a driving gear 7, wherein the sun gear 3 is rotationally arranged in the fixed column 1, an output shaft of the motor 2 is connected with the sun gear 3, the side surface of the sun gear 3 is rotationally meshed with the planet gear 4, the side surface of the planet gear 4 is connected with the combining sleeve 5, the combining sleeve 5 is arranged on the inner side of the fixed column 1, the fixed disc 6 is rotationally arranged on the side surface of the planet gear 4, the fixed disc 6 is rotationally arranged in the fixed column 1, the driving gear 7 is connected with the other end of the fixed disc 6, when the device is in use, the motor 2 can drive the sun gear 3 to rotate, the planet gear 4 can be driven to move when the sun gear 3 rotates, the combining sleeve 5 can ensure the stability of the planet gear 4 when the planet gear 4 rotates, and the fixed disc 6 can be driven to rotate when the planet gear 4 rotates, so that the driving gear 7 is driven to move.
The side meshing of driving gear 7 is connected with driven gear 9, driven gear 9 rotates the inside that sets up at wall body 8, the diameter of driving gear 7 is greater than driven gear 9's diameter, driven gear 9's side meshing is connected with the lead screw structure, when the device is when using, can drive driven gear 9 and rotate when driving gear 7 rotates, because driving gear 7's diameter is less than driven gear 9's diameter, can increase driven gear 9's moment of torsion when driving gear 7 rotates, thereby make driving gear 7 can effectually drive driven gear 9 and rotate, make driven gear 9 can be light drive rack 10 and remove.
The screw rod structure comprises a rack 10 and screw rods 11, the rack 10 is slidably arranged in the wall body 8, the rack 10 and the driven gear 9 are in threaded connection, the screw rods 11 are symmetrically arranged on two sides of the rack 10, and when the rack 10 moves, the screw rods 11 on two sides are driven to move, so that the position of the screw rods 11 is adjusted.
The connecting mechanism comprises a first bevel gear 12, a second bevel gear 13 and a third bevel gear 14, wherein the first bevel gear 12 is rotationally arranged in the wall body 8, a screw rod 11 is connected to the first bevel gear 12 in a threaded manner, the second bevel gear 13 is connected to the side face of the first bevel gear 12 in a meshed manner, the third bevel gear 14 is connected to the side face of the second bevel gear 13, the third bevel gear 14 is arranged in the door body 15, when the device is in use, when the screw rod 11 moves, the screw rod 11 drives the first bevel gear 12 to rotate, when the first bevel gear 12 rotates, the second bevel gear 13 and the third bevel gear 14 are driven to rotate, when the third bevel gear 14 rotates, a fourth bevel gear 17 is driven to rotate, and a fixed shaft 16 simultaneously rotates when the fourth bevel gear 17 rotates.
The rotating mechanism comprises a fixed shaft 16, a fourth bevel gear 17, a closing plate 18 and a baffle 19, wherein the fixed shaft 16 is rotatably arranged in the door body 15, the fourth bevel gear 17 is arranged on the side face of the fixed shaft 16, the third bevel gear 14 and the fourth bevel gear 17 are in meshed connection, the closing plate 18 is symmetrically arranged on the side face of the fixed shaft 16, the baffle 19 is arranged in the door body 15, the baffle 19 and the closing plate 18 are positioned on the same horizontal plane, when the device is used, the closing plate 18 is driven to rotate when the fixed shaft 16 rotates, and the door body 15 is driven to rotate when the closing plate 18 moves to be in contact with the baffle 19, so that the door body 15 is driven to rotate.
The ventilation mechanism comprises through holes 20, the through holes 20 are symmetrically formed in the door body 15, the through holes 20 are closed by the closing plates 18, when the device is used, the closing plates 18 rotate along with the fixed shaft 16, and when the closing plates 18 are not used for closing the through holes 20, gas at two sides of the door body 15 can circulate through the through holes 20, so that the air pressures at two sides of the door body 15 are the same, and the door body 15 can be easily opened; the door body 15 has great frictional force to avoid the door body 15 to open under the effect of no external force, and the rotation angle of door body 15 only has 0-90 when the door body 15 is in use, and the rotation direction can only rotate to one side of high pressure, thereby realizes the auto-lock of door body 15, avoids door body 15 to take place to rotate under the effect of pressure.
The working principle of the utility model is as follows: when the device is used, the motor 2 drives the sun gear 3 to rotate, then the planetary gear 4 is used for decelerating, so that the driving gear 7 rotates, the driven gear 9 is driven to rotate when the driving gear 7 rotates, the rack 10 and the screw rod 11 move to one side, the first bevel gear 12 is driven to rotate when the screw rod 11 moves, then the second bevel gear 13, the third bevel gear 14 and the fourth bevel gear 17 rotate, and the fixed shaft 16 and the sealing plate 18 simultaneously rotate when the fourth bevel gear 17 rotates, so that the through hole 20 is opened, and the air pressure at two sides of the door body 15 is the same; the closing plate 18 will then contact the shutter 19, and the shutter 19 and the door 15 are rotated along with the rotation of the closing plate 18, so as to open the door 15.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (8)
1. The utility model provides a colliery ventilation damper blocking device, includes fixed column (1) and wall body (8), its characterized in that: the side rotation of wall body (8) is provided with 2 door bodies (15), the inside of door body (15) is provided with ventilation mechanism and slewing mechanism, the inside of wall body (8) is provided with power unit, power unit's inside is provided with reduction gears, reduction gears's side is connected with the lead screw structure, the side of lead screw structure is provided with coupling mechanism.
2. A coal mine ventilation damper lock apparatus as claimed in claim 1, wherein: the power mechanism comprises a fixed column (1) and a motor (2), wherein the fixed column (1) is arranged in the wall body (8), and the motor (2) is arranged at the upper end of the fixed column (1).
3. A coal mine ventilation damper lock apparatus as claimed in claim 2, wherein: the speed reducing mechanism comprises a sun gear (3), a planetary gear (4), a combining sleeve (5), a fixed disc (6) and a driving gear (7), wherein the sun gear (3) is rotationally arranged inside a fixed column (1), an output shaft of the motor (2) is connected with the sun gear (3), the side face of the sun gear (3) is rotationally meshed with the planetary gear (4), the side face of the planetary gear (4) is connected with the combining sleeve (5), the combining sleeve (5) is arranged on the inner side of the fixed column (1), the fixed disc (6) is rotationally arranged on the side face of the planetary gear (4), and the other end of the fixed disc (6) is connected with the driving gear (7).
4. A coal mine ventilation damper lock out as claimed in claim 3 wherein: the side meshing of driving gear (7) is connected with driven gear (9), driven gear (9) rotate the inside that sets up in wall body (8), the diameter of driving gear (7) is greater than the diameter of driven gear (9), the side meshing of driven gear (9) is connected with the lead screw structure.
5. The coal mine ventilation damper locking device according to claim 4, wherein: the screw rod structure comprises a rack (10) and a screw rod (11), wherein the rack (10) is arranged inside the wall body (8) in a sliding mode, the rack (10) and the driven gear (9) are in threaded connection, and the screw rod (11) is symmetrically arranged on two sides of the rack (10).
6. The coal mine ventilation damper locking device according to claim 5, wherein: the connecting mechanism comprises a first bevel gear (12), a second bevel gear (13) and a third bevel gear (14), wherein the first bevel gear (12) is rotationally arranged inside the wall body (8), a screw rod (11) is connected to the first bevel gear (12) through internal threads, the second bevel gear (13) is connected to the side face of the first bevel gear (12) in a meshed mode, the third bevel gear (14) is connected to the side face of the second bevel gear (13), and the third bevel gear (14) is arranged inside the door body (15).
7. The coal mine ventilation damper locking device according to claim 6, wherein: the rotating mechanism comprises a fixed shaft (16), a fourth bevel gear (17), a closing plate (18) and a baffle plate (19), wherein the fixed shaft (16) is rotationally arranged inside a door body (15), the fourth bevel gear (17) is arranged on the side face of the fixed shaft (16), the third bevel gear (14) and the fourth bevel gear (17) are in meshed connection, the closing plate (18) is symmetrically arranged on the side face of the fixed shaft (16), the baffle plate (19) is arranged inside the door body (15), and the baffle plate (19) and the closing plate (18) are located on the same horizontal plane.
8. The coal mine ventilation damper locking device of claim 7, wherein: the ventilation mechanism comprises through holes (20), the through holes (20) are symmetrically formed in the door body (15), and the sealing plate (18) seals the through holes (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323346237.9U CN221096591U (en) | 2023-12-08 | 2023-12-08 | Coal mine ventilation air door locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323346237.9U CN221096591U (en) | 2023-12-08 | 2023-12-08 | Coal mine ventilation air door locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221096591U true CN221096591U (en) | 2024-06-07 |
Family
ID=91310506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323346237.9U Active CN221096591U (en) | 2023-12-08 | 2023-12-08 | Coal mine ventilation air door locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221096591U (en) |
-
2023
- 2023-12-08 CN CN202323346237.9U patent/CN221096591U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant |