CN117919618B - Mining respiratory protection device - Google Patents
Mining respiratory protection device Download PDFInfo
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- CN117919618B CN117919618B CN202410331240.3A CN202410331240A CN117919618B CN 117919618 B CN117919618 B CN 117919618B CN 202410331240 A CN202410331240 A CN 202410331240A CN 117919618 B CN117919618 B CN 117919618B
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- 230000000241 respiratory effect Effects 0.000 title claims abstract description 32
- 238000005065 mining Methods 0.000 title claims abstract description 31
- 238000009423 ventilation Methods 0.000 claims abstract description 248
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000001301 oxygen Substances 0.000 claims abstract description 31
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 31
- 230000001681 protective effect Effects 0.000 claims abstract description 29
- 238000004891 communication Methods 0.000 claims description 80
- 230000000712 assembly Effects 0.000 claims description 6
- 238000000429 assembly Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 21
- 230000008569 process Effects 0.000 abstract description 21
- 239000003245 coal Substances 0.000 abstract description 3
- 238000013022 venting Methods 0.000 description 11
- 239000007789 gas Substances 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B7/00—Respiratory apparatus
- A62B7/12—Respiratory apparatus with fresh-air hose
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B9/00—Component parts for respiratory or breathing apparatus
- A62B9/06—Mouthpieces; Nose-clips
Landscapes
- Health & Medical Sciences (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Life Sciences & Earth Sciences (AREA)
- Zoology (AREA)
- Respiratory Apparatuses And Protective Means (AREA)
Abstract
The application discloses a mining respiratory protection device, and belongs to the technical field of coal mine equipment. The mining respiratory protection device comprises a ventilation pipeline, a ventilation assembly, a sliding assembly and a protective mask, wherein the ventilation pipeline is arranged under a mine, and the ventilation pipeline is communicated with the external environment. The ventilation assembly is connected to the ventilation pipeline and comprises a first ventilation channel, and one end of the first ventilation channel can be communicated with the inside of the ventilation pipeline. The sliding component is in sliding connection with the ventilating duct and comprises a second ventilating channel, and one end of the second ventilating channel can be communicated with the other end of the first ventilating channel. One side of the protective mask forms a protective cavity which can be communicated with the other end of the second ventilation channel. The mining respiratory protection device can keep sufficient air in the escape process of miners, and avoid the problem that the miners cannot save oneself due to limited oxygen. In addition, the load of the miners in the escape process can be reduced, so that the self-rescue success rate of the miners is improved.
Description
Technical Field
The application relates to the technical field of coal mine equipment, in particular to a mining respiratory protection device.
Background
Mine ventilation means that fresh air is introduced into a mine through a ventilation system, so that the oxygen concentration in the mine is increased, and harmful gases in the mine are diluted and discharged, so that the cleaning of the air in the mine is ensured, and a good working environment is provided for miners.
Referring to the Chinese patent document with the bulletin number of CN111594261B, the theme name is a coal mine underground compressed oxygen self-rescuer, the device carries on the back to the self-rescuer body through miners by setting up the self-rescuer body, and the self-rescuer body cools down the surrounding high-temperature environment, and simultaneously provides breathing oxygen through the self-rescuer body.
When an accident occurs in the mine, harmful gases (such as gas and coal dust) are released into the air in the mine in a large amount, so that the concentration of the harmful gases in the air is increased, and the health of miners is threatened. In this case, miners need to use a respiratory protection device for self-rescue escape. Some existing respiratory protection devices generally adopt a wearable mask and are provided with oxygen cylinders, and miners can save oneself and escape through oxygen in the mask and the oxygen cylinders. In this case, the wearing type face mask equipped with the oxygen cylinder is a tool for the miners to escape, and is also a burden for the miners to escape, the miners need to always burden the wearing type face mask equipped with the oxygen cylinder to escape, and meanwhile, due to limited oxygen storage in the oxygen cylinder, after the miners are trapped in the mine, the self-rescue success rate of the miners is low.
Thus, there is a need to develop a mining respiratory protection device to solve the above problems.
Disclosure of Invention
The application aims to provide a mining respiratory protection device which can keep air sufficient in the escape process of miners and avoid the problem that the miners cannot save oneself due to limited oxygen. In addition, the load of the miners in the escape process can be reduced, so that the self-rescue success rate of the miners is improved.
The application provides a mining respiratory protection device, which adopts the following technical scheme that: the ventilation pipeline is arranged under the mine, the ventilation pipeline is communicated with the external environment, and air in the external environment can circulate along the ventilation pipeline; a vent assembly connected to the vent conduit, the vent assembly including a first vent passage having one end capable of communicating with an interior of the vent conduit; the sliding component is in sliding connection with the ventilating duct and comprises a second ventilating channel, and one end of the second ventilating channel can be communicated with the other end of the first ventilating channel; the protective face guard, one side of protective face guard forms the protection chamber, the protection chamber can with the other end intercommunication of second ventilation passageway.
Preferably, the ventilation assembly includes:
the ventilation seat is connected with the ventilation pipeline, the first ventilation channel comprises a first ventilation cavity, the first ventilation cavity is formed in the ventilation seat, one end of the first ventilation cavity is communicated with the ventilation pipeline, and a limiting hole is formed in the ventilation seat at the other end of the first ventilation cavity;
The first ventilation piece penetrates through the limiting hole, the first ventilation channel further comprises a first channel, the first channel is arranged inside the first ventilation piece, and the first ventilation piece can relatively slide inside the limiting hole so that the first channel is communicated with or separated from the first ventilation cavity; the sliding component can drive the first ventilation piece to slide in the limiting hole.
Preferably, the slip assembly includes:
the sliding seat is in sliding connection with the ventilating duct, the second ventilating channel comprises a second ventilating cavity, the second ventilating cavity is formed in the sliding seat, and one end of the second ventilating cavity is communicated with the protection cavity;
the second ventilation piece, the second ventilation piece with the seat of sliding is connected, the second ventilation passageway still includes the second passageway, the second passageway set up in inside the second ventilation piece, the second passageway with the other end in second ventilation chamber is connected, the second ventilation piece can with first ventilation piece butt and drive first ventilation piece in spacing hole is inside to slide in order to communicate the second passageway first passageway with first ventilation chamber.
Preferably, a positioning part is arranged in the middle of the limiting hole along the axial direction of the limiting hole;
The first vent includes:
The first channel penetrates through the inside of the vent pipe and is arranged along the axial direction of the vent pipe, one end of the vent pipe is positioned at one side of the positioning part, and the other end of the vent pipe is positioned at the other side of the positioning part;
The communicating pipe comprises a first locating plate and a second locating plate, the first locating plate is connected with one end, close to the first ventilation cavity, of the vent pipe, the first locating plate and the second locating plate are arranged at intervals, the second locating plate is connected with the first locating plate, a first communication cavity is formed between the first locating plate and the second locating plate, the first communication cavity is communicated with the first channel, and the first communication cavity can be communicated with the first ventilation cavity; the first positioning plate can be abutted to the positioning part so that the first communication cavity is separated from the first ventilation cavity, and a gap is reserved between the first positioning plate and the positioning part so that the first communication cavity is communicated with the first ventilation cavity.
Preferably, the ventilation assembly further comprises a first reset piece, one end of the first reset piece is connected with the positioning portion, one end of the first reset piece is connected with the first ventilation piece, and the first reset piece can drive the first positioning plate to be abutted to the positioning portion.
Preferably, the second ventilation member comprises a communication disc, the communication disc is rotationally connected with the sliding seat, a second communication cavity is formed inside the communication disc, the second communication cavity is communicated with the second ventilation cavity, the communication disc is provided with a communication hole, one end of the communication hole can be communicated with the first channel, the other end of the communication hole is communicated with the second communication cavity, and the communication disc can be abutted to the first ventilation member and drive the first ventilation member to slide inside the limiting hole.
Preferably, the second ventilation member further includes a gear plate connected to the communication plate;
the ventilation seat is provided with a rack, and the gear disc can be meshed with the rack.
Preferably, the sliding assembly further comprises a second resetting piece, one end of the second resetting piece is connected with the sliding seat, one end of the second resetting piece is connected with the communication disc, and the second resetting piece can reset the rotation of the communication disc.
Preferably, the ventilation assemblies are provided with a plurality of groups, and the plurality of groups of ventilation assemblies are arranged at intervals along the ventilation direction of the air;
Two second ventilation pieces are arranged on the sliding seat at intervals, and at least one second ventilation piece is communicated with at least one ventilation assembly.
Preferably, the mining respiratory protection device further comprises an oxygen bag, wherein the oxygen bag is communicated between the sliding component and the protective mask, and the oxygen bag is detachably connected with the sliding component.
The application has the beneficial effects that:
In the mining respiratory protection device provided by the application, the whole mining respiratory protection device is preset under a mine, and when an accident occurs in the mine, miners escape by means of the mining respiratory protection device provided by the application. Specifically, after an accident occurs in a mine, a miner finds and holds the protective mask, one side of the protective cavity is buckled on the face of the miner, then the miner escapes along a path arranged by the ventilation pipeline, the miner holds the protective mask to move so as to drive the sliding component to move along the ventilation pipeline, in the process, the protective cavity is communicated with the second ventilation channel, the first ventilation channel and the ventilation pipeline, namely, the miner can breathe air in the external environment, and therefore, compared with the prior art that the miner is burdened with the wearable mask provided with the oxygen bottle for escape, the mining respiratory protection device provided by the application can keep sufficient air in the escape process of the miner, and avoid the problem that the miner cannot save oneself due to limited oxygen. In addition, the miner only needs to hold the protective mask and drive the sliding assembly to slide in the escape process, compared with the prior art that the miner always needs to bear the wearing mask provided with the oxygen bottle for escape, the load of the miner in the escape process can be reduced, and therefore the self-rescue success rate of the miner is improved.
Drawings
FIG. 1 is an overall isometric view of a mining respiratory protection device provided by the present application;
FIG. 2 is a partial isometric view of a mining respiratory protection device provided by the present application;
fig. 3 is a partial cross-sectional view of a mining respiratory protection device provided by the present application.
Reference numerals illustrate: 1. a ventilation duct; 11. a collection pipe; 12. a guide plate; 13. a protection cavity; 2. a vent assembly; 21. a first vent passage; 211. a first venting chamber; 212. a first channel; 22. a ventilation seat; 221. a limiting hole; 222. a positioning part; 223. a rack; 23. a first vent; 231. a vent pipe; 232. a communicating pipe; 2321. a first positioning plate; 2322. a second positioning plate; 2323. a first communication chamber; 24. a first reset member; 3. a slip assembly; 31. a second vent passage; 311. a second venting chamber; 312. a second channel; 32. a sliding seat; 33. a second vent; 331. a communication disc; 3311. a second communication chamber; 3312. a communication hole; 332. a gear plate; 34. a second reset member; 4. protective face masks; 41. a protective cavity; 5. an oxygen bag.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to fig. 1 to 3 of the embodiments of the present application. It will be apparent that the described embodiments are some, but not all, embodiments of the application. All other embodiments, which are obtained by a person skilled in the art based on the described embodiments of the application, fall within the scope of protection of the application.
As shown in fig. 1 to 3, the application provides a mining respiratory protection device, which can keep sufficient air in the escape process of miners and avoid the problem that the miners cannot save oneself due to limited oxygen. In addition, the load of the miners in the escape process can be reduced, so that the self-rescue success rate of the miners is improved.
The mining respiratory protection device provided by the application comprises a ventilation pipeline 1, a ventilation assembly 2, a sliding assembly 3 and a protective mask 4, wherein the ventilation pipeline 1 is arranged under a mine, the ventilation pipeline 1 is communicated with the external environment, and air in the external environment can circulate along the ventilation pipeline 1. The ventilation assembly 2 is connected to the ventilation duct 1, and the ventilation assembly 2 includes a first ventilation passage 21, one end of which first ventilation passage 21 is capable of communicating with the inside of the ventilation duct 1. The sliding component 3 is slidably connected with the ventilation pipeline 1, the sliding component 3 comprises a second ventilation channel 31, and one end of the second ventilation channel 31 can be communicated with the other end of the first ventilation channel 21. One side of the protective mask 4 forms a protective chamber 41, and the protective chamber 41 can communicate with the other end of the second ventilation passage 31.
In the mining respiratory protection device provided by the application, the whole mining respiratory protection device is preset under a mine, and when an accident occurs in the mine, miners escape by means of the mining respiratory protection device provided by the application. Specifically, after an accident occurs in a mine, a miner finds and holds the protective mask 4, buckles one side of the protective cavity 41 on the face of the miner, then escapes along a path set by the ventilation pipeline 1, the miner holds the protective mask 4 to move so as to drive the sliding component 3 to move along the ventilation pipeline 1, in the process, the protective cavity 41 is communicated with the second ventilation channel 31, the first ventilation channel 21 and the ventilation pipeline 1, that is, the miner can breathe air in the external environment, therefore, compared with the prior art that the miner is burdened with the wearing mask provided with the oxygen bottle for escape, the mining breathing protective device provided by the application can keep sufficient air in the escape process of the miner, and avoid the problem that the miner cannot save oneself due to limited oxygen. In addition, the miner only needs to hold the protective mask 4 and drive the sliding component 3 to slide in the escape process, compared with the prior art that the miner needs to always bear the wearing mask provided with the oxygen bottle for escape, the load of the miner in the escape process can be reduced, and therefore the self-rescue success rate of the miner is improved.
In order to better guide the air in the ventilation pipeline 1 in the process of escape of miners, so that the air in the ventilation pipeline 1 can timely and rapidly enter the first ventilation channel 21, in the embodiment, the collection pipe 11 is arranged in the ventilation pipeline 1 and is communicated with the first ventilation channel 21, the collection pipe 11 is arranged in the ventilation pipeline 1, one side of the collection pipe 11 facing the air inflow is arranged to be an opening structure, one side of the collection pipe 11 facing away from the air inflow is arranged to be a closed structure, and through the arrangement, when the air circulates in the ventilation pipeline 1, the air can rapidly enter the first ventilation channel 21 from one side of the collection pipe 11, which is open, under the shielding of the closed structure on one side of the collection pipe 11 facing away from the air inflow, so that the retention of the air in the first ventilation channel 21 can be improved, and the air in the process of escape is ensured.
In order to carry out certain protection to ventilation module 2 and subassembly 3 that slide, also in order to slide to the subassembly 3 that slide that can be stable, ventilation duct 1 below sets up two deflector 12 along the direction interval of air circulation, and sliding component sliding connection forms protection chamber 13 on deflector 12 between two deflector 12, and ventilation module 2 and the majority structure in the subassembly 3 that slides all set up in protection chamber 13 inside. Further, in order to reduce the sliding friction force between the sliding component 3 and the guide plate 12, a sliding wheel is arranged at the joint of the sliding component 3 and the guide plate 12, the sliding friction is converted into rolling friction, the sliding resistance of the sliding component 3 can be reduced, and the self-rescue success rate of miners is improved.
In order to ensure that a mineworker can continuously and stably breathe fresh air in the moving process, in the embodiment, the ventilation assembly 2 comprises a ventilation seat 22 and a first ventilation piece 23, wherein the ventilation seat 22 is connected to the ventilation pipeline 1, the first ventilation channel 21 comprises a first ventilation cavity 211, the first ventilation cavity 211 is formed inside the ventilation seat 22, one end of the first ventilation cavity 211 is communicated with the inside of the ventilation pipeline 1, and a limiting hole 221 is formed in the ventilation seat 22 at the other end of the first ventilation cavity 211. The first ventilation piece 23 penetrates through the limiting hole 221, the first ventilation channel 21 further comprises a first channel 212, the first channel 212 is arranged inside the first ventilation piece 23, the first ventilation piece 23 can relatively slide inside the limiting hole 221 so that the first channel 212 and the first ventilation cavity 211 are communicated or separated, and the sliding assembly 3 can drive the first ventilation piece 23 to slide inside the limiting hole 221. Through the arrangement, when a miner moves, the sliding component 3 moves along with the movement, so that the first ventilation piece 23 is driven to slide in the limiting hole 221, when the miner moves to the corresponding position, the sliding component 3 enables the first ventilation piece 23 at the corresponding position to slide in the limiting hole 221, so that the first channel 212 is communicated with the first ventilation cavity 211, the miner can breathe fresh air at the corresponding position, and when the miner leaves the corresponding position, the first ventilation piece 23 can slide in the limiting hole 221 under the action of the miner, and the first channel 212 is separated from the first ventilation cavity 211.
Corresponding to the ventilation assembly 2 in the present embodiment, the sliding assembly 3 includes a sliding seat 32 and a second ventilation member 33, where the sliding seat 32 is slidably connected to the ventilation duct 1, the second ventilation channel 31 includes a second ventilation cavity 311, the second ventilation cavity 311 is formed inside the sliding seat 32, and one end of the second ventilation cavity 311 is communicated with the protection cavity 41. The second ventilation member 33 is connected with the sliding seat 32, the second ventilation channel 31 further comprises a second channel 312, the second channel 312 is formed inside the second ventilation member 33, the second channel 312 is connected with the other end of the second ventilation chamber 311, and the second ventilation member 33 can be abutted with the first ventilation member 23 and drive the first ventilation member 23 to slide inside the limiting hole 221 so as to be communicated with the second channel 312, the first channel 212 and the first ventilation chamber 211. In the escape process of a miner, the sliding seat 32 and the second ventilation piece 33 are driven to slide relative to the ventilation pipeline 1, in the sliding process of the second ventilation piece 33, the second ventilation piece 33 can be abutted with the first ventilation piece 23 and drive the first ventilation piece 23 to slide in the limiting hole 221 so as to be communicated with the second channel 312, the first channel 212 and the first ventilation cavity 211, so that the protection cavity 41 and the external environment are communicated, and the air sufficiency in the escape process of the miner is ensured.
In the arrangement mode that the first ventilation member 23 slides relatively inside the limiting hole 221 to communicate or block the first channel 212 and the first ventilation chamber 211, in this embodiment, a positioning portion 222 is disposed at a middle portion of the limiting hole 221 along an axial direction thereof. The first ventilation member 23 includes a ventilation pipe 231 and a communication pipe 232, and the first passage 212 is disposed inside the ventilation pipe 231 and along an axial direction of the ventilation pipe 231, one end of the ventilation pipe 231 is located at one side of the positioning portion 222, and the other end of the ventilation pipe 231 is located at the other side of the positioning portion 222. The communicating pipe 232 includes a first positioning plate 2321 and a second positioning plate 2322, the first positioning plate 2321 is connected with one end of the vent pipe 231, which is close to the first vent cavity 211, the first positioning plate 2321 and the second positioning plate 2322 are arranged at intervals, the second positioning plate 2322 is connected with the first positioning plate 2321, a first communicating cavity 2323 is formed between the first positioning plate 2321 and the second positioning plate 2322, the first communicating cavity 2323 is communicated with the first channel 212, and the first communicating cavity 2323 can be communicated with the first vent cavity 211. The first positioning plate 2321 may abut against the positioning portion 222 to partition the first communication chamber 2323 from the first ventilation chamber 211, and a gap may be formed between the first positioning plate 2321 and the positioning portion 222 to allow the first communication chamber 2323 to communicate with the first ventilation chamber 211. With the above structure, the second ventilation member 33 can abut against the ventilation pipe 231 and drive the ventilation pipe 231 to slide in the limiting hole 221, and when the first positioning plate 2321 abuts against the positioning portion 222, the first communication chamber 2323 is located in the limiting hole 221, and the second positioning plate 2322 partitions the first communication chamber 2323 from the first ventilation chamber 211; when the vent pipe 231 slides in the limiting hole 221, and a gap exists between the first positioning plate 2321 and the positioning portion 222, the second positioning plate 2322 is located in the first vent cavity 211, the first communication cavity 2323 is communicated with the first vent cavity 211, and air smoothly circulates.
In order to enable the first ventilation member 23 to reset in time, in this embodiment, the ventilation assembly 2 further includes a first resetting member 24, one end of the first resetting member 24 is connected to the positioning portion 222, the other end of the first resetting member 24 is connected to the first ventilation member 23, and the first resetting member 24 can drive the first positioning plate 2321 to abut against the positioning portion 222. Specifically, the first restoring member 24 is configured as a spring, one end of the spring is connected to the positioning portion 222, the other end of the spring is connected to the first ventilation member 23, the spring is disposed on a peripheral side of the ventilation tube 231, the ventilation tube 231 moves against the elastic force of the spring under the action of the second ventilation member 33, and when the second ventilation member 33 leaves, the ventilation tube 231 is restored under the elastic force of the spring.
In order to ensure that the second venting member 33 can be in stable contact with the first venting member 23 while ensuring communication between the first venting member 23 and the second venting member 33, in this embodiment, the second venting member 33 includes a communication disc 331 rotatably connected to the sliding seat 32, a second communication chamber 3311 is formed inside the communication disc 331, the second communication chamber 3311 communicates with the second venting chamber 311, a communication hole 3312 is provided on the communication disc 331, one end of the communication hole 3312 can communicate with the first channel 212, the other end of the communication hole 3312 communicates with the second communication chamber 3311, and the communication disc 331 can abut against the first venting member 23 and drive the first venting member 23 to slide inside the limiting hole 221. Through the above arrangement, the sliding seat 32 will cause the rotation of the communication disc 331 after the communication disc 331 abuts against the first ventilation member 23 during the movement, and the communication disc 331 will abut against the ventilation pipe 231 more tightly under the rotation of the communication disc 331, and meanwhile, the communication hole 3312 and the first channel 212 can communicate more smoothly. Further, in the present embodiment, the presence of the first reset element 24 drives the vent pipe 231 to tightly abut against the communication disc 331, so as to further improve the abutment tightness between the communication disc 331 and the vent pipe 231, and ensure smooth circulation of air.
In this embodiment, in order to increase the air circulation speed, it is ensured that air circulates along a predetermined route, two gaskets are provided on the communication disk 331 at two sides of the communication hole 3312, and the two gaskets are provided to increase the tightness between the communication disk 331 and the ventilation pipe 231, so that air circulation along the predetermined route is ensured.
In order to enable the one-way circulation of the fresh air, in this embodiment, a one-way circulation valve is provided inside the communication hole 3312, so as to ensure the one-way circulation of the fresh air and prevent the harmful gas in the mine from entering the ventilation duct 1.
In addition, in the present embodiment, the plurality of communication holes 3312 are provided, and the plurality of communication holes 3312 are provided at intervals around the circumference of the communication plate 331, and correspondingly, the plurality of ventilation pipes 231 and the plurality of limiting holes 221 are provided, so that the plurality of communication holes 3312 and the plurality of ventilation pipes 231 can be directly corresponded during the rotation of the communication plate 331, and the continuous ventilation of air can be ensured.
For the rotation of the communication disc 331 on the sliding seat 32, in the present embodiment, the second venting member 33 includes a gear disc 332, and the gear disc 332 is connected to the communication disc 331. The ventilation seat 22 is provided with a rack 223, and a gear can be meshed with the rack 223. Thus, when the sliding seat 32 moves, the gear plate 332 and the rack 223 are engaged with each other, so that the gear plate 332 is rotated, thereby driving the communication plate 331 to rotate.
In order to enable the communication disc 331 to be stably connected to the vent pipe 231 at the second time after one rotation, in this embodiment, the sliding assembly 3 further includes a second reset member 34, one end of the second reset member 34 is connected to the sliding seat 32, one end of the second reset member 34 is connected to the communication disc 331, and the second reset member 34 can reset the rotation of the communication disc 331. Specifically, the second restoring member 34 is configured as a torsion spring, and during rotation of the communication disc 331, the engagement transmission of the gear disc 332 and the rack 223 overcomes the elasticity of the torsion spring, so that the communication disc 331 rotates, and when the gear disc 332 and the rack 223 are disengaged, the communication disc 331 automatically restores under the action of the torsion spring.
In this embodiment, the ventilation assemblies 2 are provided with a plurality of groups, and the plurality of groups of ventilation assemblies 2 are arranged at intervals along the ventilation direction of air. Two second ventilation pieces 33 are arranged on the sliding seat 32 at intervals, and at least one second ventilation piece 33 is communicated with at least one ventilation assembly 2. Through the arrangement, in the escape process of the miners, the continuous supply of air can be ensured, and the self-rescue success rate of the miners is ensured.
In order to cope with the emergency situation under the mine, in the embodiment, the mining respiratory protection device further comprises an oxygen bag 5, the oxygen bag 5 is communicated between the sliding component 3 and the protective mask 4, and the oxygen bag 5 is detachably connected with the sliding component 3. When an emergency occurs under the mine, the miner can detach the oxygen bag 5, and the air in the oxygen bag 5 can be used as a temporary air source to maintain oxygen required by self-rescue of the miner.
Furthermore, it should be noted that, in the description of the present application, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application can be understood by those skilled in the art according to the specific circumstances.
While the foregoing is directed to the preferred embodiments of the present application, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present application, and such modifications and adaptations are intended to be comprehended within the scope of the present application.
Claims (6)
1. A mining respiratory protection device, comprising:
A ventilation duct (1) arranged in the downhole passage for providing clean air;
-a ventilation assembly (2), the ventilation assembly (2) being connected to the ventilation duct (1), the ventilation assembly (2) comprising a first ventilation channel (21), one end of the first ventilation channel (21) being capable of communicating with the interior of the ventilation duct (1);
The sliding assembly (3), the sliding assembly (3) is in sliding connection with the ventilation pipeline (1), the sliding assembly (3) comprises a second ventilation channel (31), and one end of the second ventilation channel (31) can be communicated with the other end of the first ventilation channel (21);
a protective mask (4), wherein a protective cavity (41) is formed on one side of the protective mask (4), and the protective cavity (41) can be communicated with the other end of the second ventilation channel (31);
the ventilation assembly (2) comprises:
The ventilation device comprises a ventilation seat (22), wherein the ventilation seat (22) is connected with a ventilation pipeline (1), the first ventilation channel (21) comprises a first ventilation cavity (211), the first ventilation cavity (211) is formed inside the ventilation seat (22), one end of the first ventilation cavity (211) is communicated with the inside of the ventilation pipeline (1), and a limiting hole (221) positioned at the other end of the first ventilation cavity (211) is formed in the ventilation seat (22);
The first ventilation piece (23), the first ventilation piece (23) is arranged in the limiting hole (221) in a penetrating mode, the first ventilation channel (21) further comprises a first channel (212), the first channel (212) is arranged inside the first ventilation piece (23), and the first ventilation piece (23) can slide relatively inside the limiting hole (221) so that the first channel (212) is communicated with or separated from the first ventilation cavity (211); the sliding assembly (3) can drive the first ventilation piece (23) to slide in the limit hole (221);
the slip assembly (3) comprises:
The sliding seat (32), the sliding seat (32) is in sliding connection with the ventilation pipeline (1), the second ventilation channel (31) comprises a second ventilation cavity (311), the second ventilation cavity (311) is formed in the sliding seat (32), and one end of the second ventilation cavity (311) is communicated with the protection cavity (41);
The second ventilation piece (33), the second ventilation piece (33) is connected with the sliding seat (32), the second ventilation channel (31) further comprises a second channel (312), the second channel (312) is arranged inside the second ventilation piece (33), the second channel (312) is connected with the other end of the second ventilation cavity (311), and the second ventilation piece (33) can be abutted with the first ventilation piece (23) and drive the first ventilation piece (23) to slide inside the limiting hole (221) so as to be communicated with the second channel (312), the first channel (212) and the first ventilation cavity (211);
the limiting hole (221) is provided with a positioning part (222) along the middle part of the axial direction:
the first ventilation member (23) includes:
The first channel (212) penetrates through the vent pipe (231) and is arranged along the axial direction of the vent pipe (231), one end of the vent pipe (231) is positioned at one side of the positioning part (222), and the other end of the vent pipe (231) is positioned at the other side of the positioning part (222);
Communicating pipe (232), communicating pipe (232) include first locating plate (2321) and second locating plate (2322), first locating plate (2321) with be close to on breather pipe (231) first ventilation chamber (211) one end is connected, first locating plate (2321) with second locating plate (2322) interval sets up, second locating plate (2322) with first locating plate (2321) is connected, first locating plate (2321) with form first intercommunication chamber (2323) between second locating plate (2322), first intercommunication chamber (2323) with first passageway (212) intercommunication, first intercommunication chamber (2323) can with first ventilation chamber (211) intercommunication; the first positioning plate (2321) can be abutted with the positioning part (222) so as to separate the first communication cavity (2323) from the first ventilation cavity (211), and a gap is reserved between the first positioning plate (2321) and the positioning part (222) so as to enable the first communication cavity (2323) to be communicated with the first ventilation cavity (211);
The second ventilation member (33) comprises a communication disc (331), the communication disc (331) is rotationally connected with the sliding seat (32), a second communication cavity (3311) is formed inside the communication disc (331), the second communication cavity (3311) is communicated with the second ventilation cavity (311), the communication disc (331) is provided with a communication hole (3312), one end of the communication hole (3312) can be communicated with the first channel (212), the other end of the communication hole (3312) is communicated with the second communication cavity (3311), and the communication disc (331) can be abutted with the first ventilation member (23) and drive the first ventilation member (23) to slide inside the limiting hole (221).
2. The mining respiratory protection device of claim 1, wherein: the ventilation assembly (2) further comprises a first resetting piece (24), one end of the first resetting piece (24) is connected with the positioning part (222), one end of the first resetting piece (24) is connected with the first ventilation piece (23), and the first resetting piece (24) can drive the first positioning plate (2321) to be abutted to the positioning part (222).
3. The mining respiratory protection device of claim 1, wherein: the second breather piece (33) further comprises a gear disc (332), and the gear disc (332) is connected with the communication disc (331);
a rack (223) is arranged on the ventilation seat (22), and the gear disc (332) can be meshed with the rack (223).
4. The mining respiratory protection device of claim 1, wherein: the sliding assembly (3) further comprises a second resetting piece (34), one end of the second resetting piece (34) is connected with the sliding seat (32), one end of the second resetting piece (34) is connected with the communicating disc (331), and the second resetting piece (34) can reset the rotation of the communicating disc (331).
5. The mining respiratory protection device of claim 1, wherein: the ventilation assemblies (2) are provided with a plurality of groups, and the groups of ventilation assemblies (2) are arranged at intervals along the ventilation direction of the air;
Two second ventilation pieces (33) are arranged on the sliding seat (32) at intervals, and at least one second ventilation piece (33) is communicated with at least one ventilation assembly (2).
6. The mining respiratory protection device according to any one of claims 1-5, wherein: the mining respiratory protection device further comprises an oxygen bag (5), wherein the oxygen bag (5) is communicated between the sliding component (3) and the protective mask (4), and the oxygen bag (5) is detachably connected with the sliding component (3).
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| CN202410331240.3A CN117919618B (en) | 2024-03-22 | 2024-03-22 | Mining respiratory protection device |
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| CN202410331240.3A CN117919618B (en) | 2024-03-22 | 2024-03-22 | Mining respiratory protection device |
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| CN117919618B true CN117919618B (en) | 2024-05-31 |
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