CN219691349U - Mining air door locking device - Google Patents
Mining air door locking device Download PDFInfo
- Publication number
- CN219691349U CN219691349U CN202320858043.8U CN202320858043U CN219691349U CN 219691349 U CN219691349 U CN 219691349U CN 202320858043 U CN202320858043 U CN 202320858043U CN 219691349 U CN219691349 U CN 219691349U
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- rack
- injection piece
- injection
- shaped mounting
- mounting plate
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- 238000005065 mining Methods 0.000 title claims abstract description 13
- 238000002347 injection Methods 0.000 claims abstract description 97
- 239000007924 injection Substances 0.000 claims abstract description 97
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 16
- 239000010959 steel Substances 0.000 claims abstract description 16
- 230000004888 barrier function Effects 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 2
- 230000000670 limiting effect Effects 0.000 abstract description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 239000003245 coal Substances 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 230000007704 transition Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model is applicable to the technical field of air door locks, and provides a mining air door lock, which comprises a U-shaped mounting plate; sliding rail groups are symmetrically arranged on the inner wall of the U-shaped mounting plate; gears are symmetrically and rotatably arranged on the inner wall of the U-shaped mounting plate; the two sliding rail groups are respectively matched with a rack group in a sliding way; the first rack and the second rack are engaged and matched with the gear; a first water pipe is connected between the first injection piece and the fourth injection piece; a second water pipe is connected between the second injection piece and the third injection piece; the end part of a first rack in the rack group is connected with a steel wire rope; the bottoms of two second racks in the two rack groups are respectively fixedly connected with the first injection piece and the second injection piece. The device realizes unidirectional opening through the cooperation between each part, plays the limiting effect to opening of two air doors, prevents that the windstream from short-circuiting from causing great hidden danger, and is excessive through the smoothness of stand pipe simultaneously, effectively changes the traction direction of steel wire, reduces frictional force, improves the life of device.
Description
Technical Field
The utility model relates to the technical field of air door locks, in particular to a mining air door lock.
Background
In order to achieve good air environment and safe production in a mine of a coal mine, large ventilation equipment is arranged at a coal mine wellhead to forcibly blow air into the underground, the whole mine is filled with the blown air, air doors are arranged in a roadway of the coal mine underground to reduce artificial air blowing loss, in order to avoid potential safety hazards caused by short-circuiting of air flow, each air door is two, the passing rule of the two doors can only open one door to pass, the other door is in a closed state, and the other air door can be opened after the air door is closed after the first air door is passed.
The traditional air door leaves factory from the lock that takes is through a steel wire passing two pistons promotes little bolt and realizes the shutting, and the device is easy to damage, and the maintenance is big, and current air door guide structure stability is poor, causes inside steel wire operation in-process frictional force great, has reduced life.
Disclosure of Invention
Aiming at the defects existing in the prior art, the utility model aims to provide the mining air door lock which realizes unidirectional opening through the cooperation of all parts, plays a limiting role on the opening of two air doors, prevents major hidden danger caused by short circuit of wind flow, simultaneously, effectively changes the traction direction of a steel wire through smooth transition of a guide pipe, reduces friction force and prolongs the service life of the device.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
a mining air door lock comprises a U-shaped mounting plate fixedly mounted on a mine wall; the U-shaped mounting plate is positioned between the two air doors; sliding rail groups are symmetrically arranged on the inner wall of the U-shaped mounting plate; gears are symmetrically and rotatably arranged on the inner wall of the U-shaped mounting plate; the two sliding rail groups are respectively matched with a rack group in a sliding way; the rack group comprises a first rack and a second rack which are oppositely arranged; the first rack and the second rack are meshed and matched with the gears; the first injection piece and the second injection piece are symmetrically arranged on the inner bottom of the U-shaped mounting plate; the two opposite sides of the U-shaped mounting plate are symmetrically provided with a third injection piece and a fourth injection piece; a first water pipe is connected between the first injection piece and the fourth injection piece; a second water pipe is connected between the second injection piece and the third injection piece; the end part of a first rack in the rack group is connected with a steel wire rope; the bottoms of two second racks in the two rack groups are fixedly connected with the first injection piece and the second injection piece respectively.
The utility model is further provided with: the first injection piece, the second injection piece, the third injection piece and the fourth injection piece all comprise injection barrels; the inside of the injection cylinder is in sliding fit with a piston; the surface of the piston is connected with a connecting rod; a reset spring is arranged between the piston and the inner wall of the injection cylinder.
The utility model is further provided with: sliding sleeves are symmetrically arranged on two side surfaces of the U-shaped mounting plate; the sliding sleeve is in sliding fit with a barrier strip; the two barrier strips are respectively and fixedly connected with connecting rods on the third injection piece and the fourth injection piece; the connecting rods on the first injection piece and the second injection piece are respectively and fixedly connected with the two second racks.
The utility model is further provided with: the sliding rail group comprises two sliding rails which are arranged in parallel; the side surfaces of a first rack and a second rack in the rack group are respectively provided with a sliding groove in sliding fit with the two corresponding sliding rails; rope guide pipes are symmetrically arranged on the surface of the U-shaped mounting plate; the two first racks are fixedly connected with the two air doors through corresponding steel wire ropes respectively.
The utility model is further provided with: baffle plates are symmetrically and fixedly connected below the sliding rail between the inner walls of the U-shaped mounting plates; the two connecting rods on the first injection piece and the second injection piece are arranged on the corresponding baffle plate in a penetrating and sliding manner; and a supporting spring is arranged between the first rack and the baffle plate.
The utility model has the advantages that:
when the air door on one side is opened, the corresponding steel wire rope is pulled, the corresponding first rack is pulled to ascend along the sliding rail under the guide of the corresponding guide pipe, the corresponding second rack is driven to descend through the corresponding gear, so that the piston in the first injection part is driven to descend, the corresponding reset spring is compressed, at the moment, water in the first injection part injection cylinder enters the fourth injection part through the hose to push the piston in the fourth injection part to horizontally move, the corresponding barrier strip is driven to block the second rack in the other rack group, the first rack in the rack group is limited, the corresponding air door is prevented from being opened, stable one-way opening operation can be performed through the operation, the opening of the two air doors is limited, the major hidden danger caused by short circuit of the air flow is prevented, meanwhile, the traction direction of the steel wire is effectively changed through smooth transition of the guide pipe, the friction force is reduced, and the service life of the device is prolonged.
Drawings
Fig. 1 is a schematic structural view of a mining damper lock of the present utility model.
Fig. 2 is a schematic structural view of the U-shaped mounting plate of the present utility model.
Fig. 3 is a schematic structural view of a first rack of the present utility model.
In the figure: 1. a U-shaped mounting plate; 2. a slide rail group; 3. a gear; 4. a rack set; 5. a first rack; 6. a second rack; 7. a first injection member; 8. a second injection member; 9. a third injection member; 10. a fourth injection member; 11. a first water pipe; 12. a second water pipe; 13. a wire rope; 14. a syringe; 15. a piston; 16. a connecting rod; 17. a return spring; 18. a sliding sleeve; 19. a barrier strip; 20. a slide rail; 21. a baffle; 22. a support spring; 23. a rope guide tube.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs unless otherwise indicated.
In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.
Example 1
Referring to fig. 1-3, the present utility model provides the following technical solutions:
the mining air door lock comprises a U-shaped mounting plate 1 fixedly mounted on a mine wall; the U-shaped mounting plate 1 is positioned between the two air doors; the inner wall of the U-shaped mounting plate 1 is symmetrically provided with sliding rail groups 2; gears 3 are symmetrically and rotatably arranged on the inner wall of the U-shaped mounting plate 1; the two slide rail groups 2 are both in sliding fit with a rack group 4; the rack set 4 comprises a first rack 5 and a second rack 6 which are oppositely arranged; the first rack 5 and the second rack 6 are meshed with the gear 3; the inner bottom of the U-shaped mounting plate 1 is symmetrically provided with a first injection piece 7 and a second injection piece 8; the two opposite sides of the U-shaped mounting plate 1 are symmetrically provided with a third injection piece 9 and a fourth injection piece 10; a first water pipe 11 is connected between the first injection piece 7 and the fourth injection piece 10; a second water pipe 12 is connected between the second injection piece 8 and the third injection piece 9; the end part of a first rack 5 in the rack group 4 is connected with a steel wire rope 13; the bottoms of the two second racks 6 in the two rack groups 4 are respectively fixedly connected with a first injection piece 7 and a second injection piece 8.
The specific application of the first embodiment is as follows: in the initial state, the first injection part 7 and the first water pipe 11 are filled with water, the second injection part 8 and the second water pipe 12 are filled with water, when an air door is opened, the corresponding first racks 5 are pulled through the corresponding steel wire ropes 13, the corresponding second racks 6 are driven to descend through the corresponding gears 3, so that the first injection part 7 and the water in the first water pipe 11 are injected into the fourth injection part 10, the barrier strip 19 connected with the fourth injection part 10 is driven to block the second racks 6 in the other group of racks 4, the corresponding gears 3 are matched, the first racks 5 in the racks 4 are limited, the air door is in a closed state, the unidirectional opening of the air door is realized, the limiting effect on the opening of the two air doors is realized, and major hidden hazards caused by short circuit of air flow are prevented.
Example two
Referring to fig. 1-3, the second embodiment is modified from the first embodiment in that the first injection member 7, the second injection member 8, the third injection member 9 and the fourth injection member 10 each comprise a syringe 14; the inside of the injection cylinder 14 is in sliding fit with a piston 15; the surface of the piston 15 is connected with a connecting rod 16; a return spring 17 is arranged between the piston 15 and the inner wall of the injection cylinder 14; sliding sleeves 18 are symmetrically arranged on two side surfaces of the U-shaped mounting plate 1; the sliding sleeve 18 is in sliding fit with a stop bar 19; the two blocking strips 19 are respectively and fixedly connected with the connecting rods 16 on the third injection piece 9 and the fourth injection piece 10; the connecting rods 16 on the first injection piece 7 and the second injection piece 8 are respectively fixedly connected with the two second racks 6; the sliding rail set 2 comprises two sliding rails 20 which are arranged in parallel; the side surfaces of the first rack 5 and the second rack 6 in the rack group 4 are respectively provided with a sliding groove in sliding fit with the two corresponding sliding rails 20; rope guide pipes 23 are symmetrically arranged on the surface of the U-shaped mounting plate 1; the two first racks 5 are respectively and fixedly connected with the two air doors through corresponding steel wire ropes 13; baffle plates 21 are symmetrically and fixedly connected between the inner walls of the U-shaped mounting plates 1 and positioned below the sliding rails 20; the two connecting rods 16 on the first injection piece 7 and the second injection piece 8 are arranged on the corresponding baffle plate 21 in a penetrating and sliding manner; a supporting spring 22 is arranged between the first rack 5 and the baffle 21.
One specific application of the second embodiment is: in the initial state, each group of return springs 17 and two support springs 22 are in a normal state, when an air door at one side is opened, a corresponding steel wire rope 13 is pulled, a corresponding first rack 5 is pulled to ascend along a sliding rail 20 under the guide of a corresponding rope guide pipe 23, the corresponding support springs 22 are stretched, a corresponding second rack 6 is driven to descend through a corresponding gear 3, so that a piston 15 in a first injection piece 7 is driven to descend, the corresponding return springs 17 are compressed, at the moment, water in an injection cylinder 14 of the first injection piece 7 enters a fourth injection piece 10 through a first water pipe 11, the piston 15 in the fourth injection piece 10 is pushed to move horizontally, so that a corresponding blocking strip 19 is driven to block a second rack 6 in another rack group 4, at the moment, the return springs 17 in the fourth injection piece 10 are stretched, the first racks 5 in the rack group 4 are limited, the corresponding air door is prevented from being opened, the two air doors can be opened unidirectionally through the operation, a limiting effect is achieved, the short circuit of the air flow is prevented, meanwhile, the potential hazards caused by the large and the effective traction force of the steel wire is effectively prolonged, the service life of the traction device is prolonged; when the opened air door is closed, the corresponding second rack 6 is driven to descend under the elastic acting force of the corresponding supporting spring 22, so that the corresponding first rack 5 ascends, water in the fourth injection part 10 flows back into the first injection part 7 through the first water pipe 11, the corresponding blocking strip 19 is driven to reset under the elastic acting force of the reset spring 17 in the fourth injection part 10, and the limitation on the other air door is relieved.
It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
It should be noted that the terms "first," "second," and the like in the description and the claims of the present utility model and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the utility model described herein may be implemented in sequences other than those illustrated or otherwise described herein.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model 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.
The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.
Claims (5)
1. A mining air door lock comprises a U-shaped mounting plate (1) fixedly mounted on a mine wall; the U-shaped mounting plate (1) is positioned between the two air doors; the method is characterized in that:
sliding rail groups (2) are symmetrically arranged on the inner wall of the U-shaped mounting plate (1); gears (3) are symmetrically arranged on the inner wall of the U-shaped mounting plate (1) in a rotating mode; the two sliding rail groups (2) are both in sliding fit with a rack group (4);
the rack set (4) comprises a first rack (5) and a second rack (6) which are oppositely arranged; the first rack (5) and the second rack (6) are meshed and matched with the gear (3);
a first injection piece (7) and a second injection piece (8) are symmetrically arranged on the inner bottom of the U-shaped mounting plate (1); the two opposite sides of the U-shaped mounting plate (1) are symmetrically provided with a third injection piece (9) and a fourth injection piece (10); a first water pipe (11) is connected between the first injection piece (7) and the fourth injection piece (10); a second water pipe (12) is connected between the second injection piece (8) and the third injection piece (9);
the end part of a first rack (5) in the rack group (4) is connected with a steel wire rope (13); the bottoms of two second racks (6) in the two rack groups (4) are respectively fixedly connected with a first injection piece (7) and a second injection piece (8).
2. The mining damper lock of claim 1, wherein: the first injection piece (7), the second injection piece (8), the third injection piece (9) and the fourth injection piece (10) all comprise injection barrels (14); the inside of the injection cylinder (14) is in sliding fit with a piston (15); the surface of the piston (15) is connected with a connecting rod (16); a return spring (17) is arranged between the piston (15) and the inner wall of the injection cylinder (14).
3. A mining damper latch according to claim 2, wherein: sliding sleeves (18) are symmetrically arranged on two side surfaces of the U-shaped mounting plate (1); the sliding sleeve (18) is in sliding fit with a barrier strip (19); the two baffle strips (19) are respectively and fixedly connected with connecting rods (16) on the third injection piece (9) and the fourth injection piece (10); the connecting rods (16) on the first injection piece (7) and the second injection piece (8) are respectively and fixedly connected with the two second racks (6).
4. A mining damper latch according to claim 2, wherein: the sliding rail set (2) comprises two sliding rails (20) which are arranged in parallel; the side surfaces of a first rack (5) and a second rack (6) in the rack group (4) are respectively provided with a sliding groove in sliding fit with two corresponding sliding rails (20); rope guide pipes (23) are symmetrically arranged on the surface of the U-shaped mounting plate (1); the two first racks (5) are fixedly connected with the two air doors through corresponding steel wire ropes (13) respectively.
5. A mining damper latch according to claim 4, wherein: baffle plates (21) are symmetrically and fixedly connected below the sliding rails (20) between the inner walls of the U-shaped mounting plates (1); two connecting rods (16) on the first injection piece (7) and the second injection piece (8) are arranged on the corresponding baffle plates (21) in a penetrating and sliding manner; a supporting spring (22) is arranged between the first rack (5) and the baffle plate (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320858043.8U CN219691349U (en) | 2023-04-14 | 2023-04-14 | Mining air door locking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320858043.8U CN219691349U (en) | 2023-04-14 | 2023-04-14 | Mining air door locking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219691349U true CN219691349U (en) | 2023-09-15 |
Family
ID=87940538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320858043.8U Active CN219691349U (en) | 2023-04-14 | 2023-04-14 | Mining air door locking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219691349U (en) |
-
2023
- 2023-04-14 CN CN202320858043.8U patent/CN219691349U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |