CN115068857A - Tunnel automatic fire extinguishing treatment equipment - Google Patents
Tunnel automatic fire extinguishing treatment equipment Download PDFInfo
- Publication number
- CN115068857A CN115068857A CN202210649167.5A CN202210649167A CN115068857A CN 115068857 A CN115068857 A CN 115068857A CN 202210649167 A CN202210649167 A CN 202210649167A CN 115068857 A CN115068857 A CN 115068857A
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- China
- Prior art keywords
- tunnel
- driving
- fire extinguishing
- power
- storage case
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/02—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires
- A62C3/0221—Fire prevention, containment or extinguishing specially adapted for particular objects or places for area conflagrations, e.g. forest fires, subterranean fires for tunnels
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/005—Delivery of fire-extinguishing material using nozzles
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
Abstract
The utility model relates to a tunnel automatic fire extinguishing treatment facility relates to tunnel engineering's technical field, and it is including seting up the slide rail on the diapire in the tunnel, and the slide rail sets up along the length direction in tunnel, slides in the tunnel and is provided with the storage case that has deposited fire extinguishing material, is equipped with the power device who is used for driving the storage case and slides along the length direction of slide rail between slide rail and the storage case, the intercommunication has the material pipe that spouts on the storage case, spouts and offers a plurality of discharge openings that are used for the storage on the material pipe. This application has the manpower that consumes when reducing the tunnel and putting out a fire, and then improves the effect of fire extinguishing efficiency.
Description
Technical Field
The application relates to the technical field of tunnel engineering, in particular to automatic tunnel fire extinguishing treatment equipment.
Background
At present, the tunnel is an engineering building buried in the ground, and is a form of utilizing underground space by human beings. The tunnel can be divided into a traffic tunnel, a hydraulic tunnel, a municipal tunnel, a mine tunnel, a military tunnel and the like; the tunnel plays an important role in the aspects of improving the technical state of the road, shortening the running distance, improving the transport capacity, reducing accidents and the like. The tunnel has the advantages of reducing the driving distance, improving the driving efficiency, improving the driving safety, protecting the natural environment, increasing the utilization rate of the tunnel and the underground engineering space and the like.
When accidental fire occurs in the existing tunnel, unnecessary casualties and property loss are easily caused, and workers or fire fighters are required to hold the fire extinguishing equipment to reach a fire place and extinguish fire in time.
Aiming at the defects of low fire extinguishing efficiency caused by manpower waste due to the fact that workers need to manually extinguish fire in the whole course when accidental fire occurs in the tunnel in the related technology.
Disclosure of Invention
The purpose of this application is the manpower that consumes when reducing the tunnel and putting out a fire, and then improves fire extinguishing efficiency.
The application provides a tunnel automatic fire extinguishing treatment facility adopts following technical scheme:
the utility model provides a tunnel automatic fire extinguishing treatment facility, is including seting up the slide rail on the diapire in the tunnel, and the slide rail sets up along the length direction in tunnel, and it is provided with the storage case that has the fire extinguishing material to slide in the tunnel, is equipped with between slide rail and the storage case to be used for driving the power device that the length direction of storage case edge slide rail slided, the intercommunication has the material pipe that spouts on the storage case, spouts and offers a plurality of discharge openings that are used for the storage on the material pipe.
Through adopting above-mentioned technical scheme, the back is caught fire to the accident in the tunnel, and the staff arranges the storage case in slide rail department, spouts the material pipe and sets firmly in the discharge gate department of storage case, and power device drives the length direction motion of storage case edge slide rail, and the fire extinguishing material in the storage case is spouted by the discharge opening through spouting the material pipe, need not whole manual fire extinguishing of people, has reduced the manpower that consumes when the tunnel is put out a fire, and then has improved fire extinguishing efficiency.
Optionally, the power device includes a connecting frame fixedly arranged on the material storage box, a power rack fixedly arranged in the sliding rail, and a power gear meshed with the power rack, the power rack is arranged along the length direction of the sliding rail, a power roller is coaxially and fixedly arranged on the power gear, the power roller is rotatably connected to the connecting frame, and the power device further includes a power mechanism for driving the power gear to rotate.
Through adopting above-mentioned technical scheme, when needs drive the motion of storage case, power unit drives the power roller and rotates, and the power roller drives the length direction motion of power gear along the power rack, and the link drives the motion of storage case, need not the manpower and carries the fire extinguishing material, has improved the transport convenience of fire extinguishing material, and then has improved fire extinguishing efficiency.
Optionally, the power mechanism comprises a driving wheel fixedly arranged at the end of the power roller, a driving chain meshed with the driving wheel, and a driving assembly used for driving the driving chain to move, and the driving chain is arranged on the connecting frame in a sliding manner.
Through adopting above-mentioned technical scheme, drive assembly drives and drives the chain and rotate, drives the chain and drives the power roller through the driving wheel and rotate, drives the chain and has improved the transportation stationarity of storage case, and then has improved storage case conveying efficiency.
Optionally, the driving assembly comprises a connecting roller rotatably connected to the connecting frame, a driving gear coaxially fixedly arranged on the connecting roller, and a driving motor fixedly arranged on the connecting frame, the driving gear is rotatably connected to the connecting frame, the driving gear is meshed with the driving chain, and the driving motor is coaxially fixedly arranged on the connecting roller.
Through adopting above-mentioned technical scheme, driving motor circular telegram work, driving motor drives drive gear through connecting the roller and rotates, and drive gear drive drives the drive chain and removes, need not the manual drive and drives the drive chain and remove, has improved the removal efficiency of storage case.
Optionally, a movable rail is arranged in the tunnel, the movable rail is arranged along the length direction of the tunnel, a support rod is arranged in the movable rail in a sliding manner, one end, away from the storage box, of the spraying pipe is located on the support rod, and a driving assembly used for driving the support rod to move is arranged between the movable rail and the support rod.
Through adopting above-mentioned technical scheme, the other end that the storage case was kept away from to spouting the material pipe is supported to the bracing piece, drives the length direction motion of bracing piece along the movable rail as power device drives the storage case, drives the subassembly and drives the length direction motion of bracing piece along the movable rail, has improved the material stability that spouts of spouting the material pole, can adjust the material spraying angle of spouting the material pole through the speed of adjusting storage case or bracing piece simultaneously, and then has improved and spout material efficiency.
Optionally, be equipped with the depression bar between storage case and the bracing piece, the depression bar butt sets up in the diapire in tunnel.
Through adopting above-mentioned technical scheme, drive the depression bar motion when storage case and bracing piece, the depression bar butt extrudees the diapire in tunnel and the flame that still burns the tunnel diapire, reduces the circulation of air between tunnel diapire and the depression bar, has further improved fire extinguishing efficiency.
Optionally, the compression bar is made of a refractory material.
Through adopting above-mentioned technical scheme, refractory material's depression bar has prolonged the life of depression bar, and the flame meets the instant fire-retardant of depression bar, has further improved tunnel fire extinguishing efficiency.
Optionally, a fire-resistant cloth is arranged between the material storage box and the support rod, and the bottom end of the fire-resistant cloth is located at the pressure rod.
Through adopting above-mentioned technical scheme, power device drives the motion of storage case, drives the subassembly and drives the bracing piece motion, and storage case and bracing piece drive the motion of fire-resistant cloth jointly, and the fire-resistant cloth plays the effect that the parcel cuts off to the depression bar soon extruded flame, has reduced the flame propagation, has further improved fire extinguishing efficiency.
Optionally, the material spraying pipe is sleeved with a plurality of material blocking sleeves used for blocking the discharge holes.
Through adopting above-mentioned technical scheme, when carrying out the small size and putting out a fire, confirm the position that need not to put in fire extinguishing material, keep off the discharge opening that the material cover will spout corresponding position on the material pipe and block, reduced fire extinguishing material unnecessary extravagant, resources are saved has improved the accuracy of putting out a fire.
Optionally, the material blocking sleeve comprises two blocking arms and two torsional springs, one end of each of the two blocking arms is hinged to the other end of the corresponding blocking arm, and two ends of each torsional spring are fixedly arranged on the two blocking arms respectively.
Through adopting above-mentioned technical scheme, when the installation keeps off the material cover, the closed state of two fender arms is opened, and the torsional spring is tensile, and two fender arms are assumed in discharge gate department, have realized keeping off dismantling fixed of material cover, and then have improved the use convenience that keeps off the material cover.
In summary, the present application includes at least one of the following beneficial technical effects:
1. after accidental fire in the tunnel, the storage box is arranged at the sliding rail, the spraying pipe is fixedly arranged at the discharge port of the storage box, the power device drives the storage box to move along the length direction of the sliding rail, the fire extinguishing material in the storage box is sprayed out from the discharge hole through the spraying pipe, the whole-process manual fire extinguishing is not needed, the manpower consumed during tunnel fire extinguishing is reduced, and the fire extinguishing efficiency is further improved;
2. the power mechanism drives the power roller to rotate, the power roller drives the power gear to move along the length direction of the power rack, and the power gear drives the storage box to move through the connecting frame, so that the fire extinguishing materials are not required to be conveyed manually, the conveying convenience of the fire extinguishing materials is improved, and the fire extinguishing efficiency is improved;
3. when the small area is put out a fire, the position of not needing to put in the fire extinguishing material is confirmed, and the discharge hole that keeps off the material cover and will spout the corresponding position on the material pipe blocks, has reduced the unnecessary waste of fire extinguishing material, and resources are saved has improved the accuracy of putting out a fire.
Drawings
FIG. 1 is a schematic diagram of the overall structure of an embodiment of the present application;
FIG. 2 is a cross-sectional view of an embodiment of the present application;
FIG. 3 is a schematic view showing the construction of the power plant;
in the figure, 1, a slide rail; 2. a material storage box; 21. a material spraying pipe; 211. a discharge hole; 22. a pressure lever; 23. fire-resistant cloth; 3. a power plant; 31. a connecting frame; 32. a power rack; 33. a power gear; 34. a power roller; 35. a power mechanism; 351. driving the wheel; 352. a driving chain; 353. a drive assembly; 3531. a connecting roller; 3532. a drive gear; 3533. a drive motor; 4. moving the rail; 5. a support bar; 6. a material blocking sleeve; 61. a catch arm; 62. a torsion spring.
Detailed Description
The present application is described in further detail below with reference to fig. 1-3.
A tunnel automatic fire extinguishing treatment device, referring to fig. 1 and 2, comprises a slide rail 1 arranged along the length direction of a tunnel, wherein the slide rail 1 is arranged on the bottom wall of the tunnel along the center line of the tunnel, a storage box 2 for storing fire extinguishing materials is arranged in the tunnel in a sliding manner, the bottom wall of the storage box 2 is abutted against the inner wall of the tunnel, and a power device 3 for driving the storage box 2 to move along the length direction of the slide rail 1 is arranged between the storage box 2 and the slide rail 1; two movable rails 4 are further arranged on the inner wall of the tunnel in parallel to the sliding rail 1, the two movable rails 4 are respectively arranged on two sides of the sliding rail 1, supporting rods 5 are arranged in the two movable rails 4 in a sliding mode, and a driving assembly for driving the supporting rods 5 to move is arranged between the movable rails 4 and the supporting rods 5; two material pipes 21 that spout have set firmly on the storage tank, spout material pipe 21 and storage tank 2 and be linked together, two material pipes 21 that spout are set up respectively on two bracing pieces 5, spout and all seted up a plurality of discharge openings 211 on the material pipe 21 for two, and discharge opening 211 sets up towards the length direction of slide rail 1.
When the tunnel accident catches fire, power device 3 drives storage case 2 towards the tunnel internalization along the length direction of slide rail 1, the drive subassembly drives bracing piece 5 towards the tunnel internalization along the length direction of moving rail 4, storage case 2 and bracing piece 5 drive jointly and spout the interior motion of material pipe 21 signal case tunnel, the department of catching fire of putting to the tunnel in by discharge opening 211 through spouting material pipe 21 to the fire extinguishing material in storage case 2, need not whole manual fire extinguishing, the manpower that consumes when having reduced the tunnel and putting out a fire, and then fire extinguishing efficiency has been improved.
Referring to fig. 2 and 3, the power device 3 includes a connecting frame 31, a power rack 32, a power gear 33 and a power roller 34, the connecting frame 31 is fixedly disposed on the bottom wall of the material storage box 2, the power rack 32 is adhered to the inner bottom wall of the slide rail 1, the power gear 33 is meshed with the power rack 32, the power roller 34 penetrates through the power gear 33 and is coaxially fixedly connected to the power gear 33, both ends of the power roller 34 are rotatably connected to the connecting frame 31, and the power device 3 further includes a power mechanism 35 for driving the power roller 34 to rotate.
Referring to fig. 3, the power mechanism 35 includes two driving wheels 351 and two driving chains 352, the two driving wheels 351 and the two driving chains 352 are both provided, the two driving wheels 351 are both rotatably connected to the connecting frame 31, the two driving wheels 351 are respectively and coaxially and fixedly provided at two ends of the power roller 34, the driving wheels 351 correspond to the driving chains 352 one by one, the driving wheels 351 are engaged with the driving chains 352, the driving chains 352 are slidably provided on the connecting frame 31, and the connecting frame 31 is provided with a driving component 353 for driving the driving chains 352 to slide; the driving assembly 353 drives the driving chain 352 to move, the driving chain 352 drives the power gear 33 to rotate through the driving wheel 351, the driving chain 352 improves the driving stability of the driving wheel 351, and further the rotating stability of the power rack 32 is improved.
Referring to fig. 3, the driving assembly 353 includes two connecting rollers 3531, four driving gears 3532 and two driving motors 3533, the two connecting rollers 3531 are provided, each of the four driving gears 3532 is engaged with the same driving chain 352, one end of each of the two connecting rollers 3531 is coaxially and fixedly arranged on the two driving gears 3532 of the same driving chain 352, the other end of each of the two connecting rollers 3531 is coaxially and fixedly arranged on the other two driving gears 3532, and the driving motor 3533 is fixedly arranged on the connecting frame 31 and coaxially and fixedly connected to one of the connecting rollers 3531; driving motor 3533 circular telegram work, driving motor 3533 drives drive gear 3532 through connecting roller 3531 and rotates, drive gear 3532 drives another drive gear 3532 through driving chain 352 and rotates, the drive gear 3532 of connecting frame 31 opposite side rotates with drive chain 352, power gear 33 rotates and drives storage case 2 and slides along the length direction of slide rail 1, it advances to need not the staff drive storage case 2, and then the operating efficiency of storage case 2 has been improved, the convenience of putting out a fire in the tunnel has been improved.
Referring to fig. 1, the driving assembly includes a driving rack, a driving gear and a driving motor, the driving rack is adhered to the inner bottom wall of the movable rail 4, the driving gear is rotatably connected to the support rod 5, the driving gear is meshed with the driving rack, the driving motor is fixedly arranged on the support rod 5, and the driving motor is coaxially and fixedly connected with the driving gear; when the support rod 5 needs to move towards the inside of the tunnel, the motor is driven to work in a power-on mode, the motor is driven to drive the gear to rotate, the gear is driven to drive the support rod 5 to move towards the inside of the tunnel along the length direction of the driving rack, people do not need to push the support rod 5 to move, manpower output is reduced, and then the movement efficiency of the support rod 5 is improved.
Referring to fig. 1 and 2, each spraying pipe 21 can be detachably connected with a plurality of material blocking sleeves 6, each material blocking sleeve 6 comprises two blocking arms 61 and a torsion spring 62, the two blocking arms 61 are arranged in an arc shape, one ends of the two blocking arms 61 are hinged with each other, and two ends of the torsion spring 62 are respectively fixed on the side walls of the two blocking arms 61; when the torsion spring 62 is in a natural state, the two blocking arms 61 are folded; when needs carry out the shutoff to discharge opening 211, the staff opens two state of folding that keep off arm 61, and torsional spring 62 deformation, two keep off arm 61 press from both sides and establish to the discharge opening 211 department of treating the shutoff, have reduced spraying of unnecessary fire extinguishing material, have practiced thrift the material, and then have improved fire extinguishing material's utilization ratio.
Referring to fig. 1 and 2, a pressure rod 22 is fixedly arranged between the material storage tank 2 and the support rod 5, the pressure rod 22 is abutted against the inner bottom wall of the tunnel, and the pressure rod 22 can be made of refractory materials such as rock wool boards; a fireproof cloth 23 is arranged between the pressure lever 22 and the material spraying pipe 21, and the bottom end of the fireproof cloth 23 is fixedly connected with the pressure lever 22; after catching fire in the tunnel, storage case 2 and bracing piece 5 drive depression bar 22 and catch fire the department motion, and depression bar 22 extrudees the flame on the diapire in to the tunnel, and fire-resistant cloth 23 wraps up the flame in the operation process, has reduced the possibility that the flame flows to storage case 2 rear, has further improved fire extinguishing efficiency.
The implementation principle of the embodiment of the application is as follows: when a tunnel is accidentally fired, the power device 3 is arranged in the sliding rail 1, the material storage box 2 abuts against the inner bottom wall of the tunnel, the driving component and the supporting tube are arranged at the position of the movable rail 4, the driving motor 3533 is electrified to work, the driving motor 3533 drives the driving gear 3532 to rotate through the connecting roller 3531, the driving gear 3532 drives the other driving gear 3532 to rotate through the driving chain 352, the driving gear 3532 and the driving chain 352 on the other side of the connecting frame 31 rotate, the driving chain 352 drives the driving wheel 351 to rotate, the driving wheel 351 drives the power roller 34 to rotate, and the power roller 34 drives the material storage box 2 to move along the length direction of the sliding rail 1 through the power gear 33; drive motor circular telegram work simultaneously, it is rotatory to drive motor driving band gear, it drives the length direction of bracing piece 5 along driving the rack and moves towards the tunnel, storage case 2 and bracing piece 5 drive jointly spout material pipe 21 signal case tunnel internalization, the department of catching fire that puts to the tunnel in is spouted by discharge opening 211 to the fire extinguishing material in the storage case 2 through spouting material pipe 21, depression bar 22 extrudees the flame on the diapire in the tunnel, fire-resistant cloth 23 wraps up the flame at the operation in-process, need not whole manual fire extinguishing, the manpower that consumes when having reduced the tunnel and putting out a fire, and then the fire extinguishing efficiency has been improved.
The embodiments of the present invention are preferred embodiments of the present application, and the protection scope of the present application is not limited thereby, wherein like parts are denoted by like reference numerals. Therefore: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (10)
1. The utility model provides a tunnel automatic fire extinguishing treatment facility, its characterized in that, including seting up slide rail (1) on the diapire in the tunnel, slide rail (1) sets up along the length direction in tunnel, and it is provided with storage case (2) of depositing fire extinguishing material to slide in the tunnel, is equipped with between slide rail (1) and storage case (2) to be used for driving power device (3) that storage case (2) slided along the length direction of slide rail (1), the intercommunication has material spraying pipe (21) on storage case (2), offers a plurality of discharge openings (211) that are used for the storage on material spraying pipe (21).
2. The automatic tunnel fire extinguishing treatment equipment according to claim 1, wherein the power device (3) comprises a connecting frame (31) fixedly arranged on the storage box (2), a power rack (32) fixedly arranged in the sliding rail (1), and a power gear (33) meshed with the power rack (32), the power rack (32) is arranged along the length direction of the sliding rail (1), a power roller (34) is coaxially and fixedly arranged on the power gear (33), the power roller (34) is rotatably connected to the connecting frame (31), and the power device (3) further comprises a power mechanism (35) for driving the power gear (33) to rotate.
3. The automatic tunnel fire extinguishing treatment device according to claim 2, wherein the power mechanism (35) comprises a driving wheel (351) fixedly arranged at the end of the power roller (34), a driving chain (352) engaged with the driving wheel (351), and a driving component (353) for driving the driving chain to move, and the driving chain (352) is slidably arranged on the connecting frame (31).
4. A tunnel automatic fire extinguishing apparatus according to claim 3, wherein the driving unit (353) comprises a connection roller (3531) rotatably connected to the connection frame (31), a driving gear (3532) coaxially fixed to the connection roller (3531), and a driving motor (3533) fixed to the connection frame (31), the driving gear (3532) is rotatably connected to the connection frame (31), the driving gear (3532) is engaged with the driving chain (352), and the driving motor (3533) is coaxially fixed to the connection roller (3531).
5. The automatic tunnel fire extinguishing treatment equipment according to claim 1, wherein a movable rail (4) is arranged in the tunnel, the movable rail (4) is arranged along the length direction of the tunnel, a support rod (5) is arranged in the movable rail (4) in a sliding manner, one end, away from the storage box (2), of the material spraying pipe (21) is located on the support rod (5), and a driving assembly for driving the support rod (5) to move is arranged between the movable rail (4) and the support rod (5).
6. The automatic tunnel fire extinguishing treatment equipment according to claim 5, wherein a pressure rod (22) is arranged between the storage box (2) and the support rod (5), and the pressure rod (22) is arranged to abut against the bottom wall of the tunnel.
7. The automatic tunnel fire extinguishing apparatus according to claim 6, wherein the pressure rod (22) is a pressure rod (22) made of refractory material.
8. The automatic fire extinguishing treatment equipment for the tunnel according to claim 6, characterized in that a fire-resistant cloth (23) is arranged between the storage box (2) and the support rod (5), and the bottom end of the fire-resistant cloth (23) is positioned at the pressure rod (22).
9. The automatic tunnel fire extinguishing treatment device according to claim 1, wherein a plurality of material blocking sleeves (6) for blocking the discharge holes (211) are sleeved on the material spraying pipe (21).
10. The automatic tunnel fire extinguishing treatment equipment according to claim 9, wherein the material blocking sleeve (6) comprises two blocking arms (61) and two torsion springs (62), one ends of the two blocking arms (61) are hinged, and two ends of the torsion springs (62) are respectively and fixedly arranged on the two blocking arms (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210649167.5A CN115068857B (en) | 2022-06-10 | 2022-06-10 | Tunnel automatic fire extinguishing treatment equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210649167.5A CN115068857B (en) | 2022-06-10 | 2022-06-10 | Tunnel automatic fire extinguishing treatment equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN115068857A true CN115068857A (en) | 2022-09-20 |
| CN115068857B CN115068857B (en) | 2023-03-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210649167.5A Active CN115068857B (en) | 2022-06-10 | 2022-06-10 | Tunnel automatic fire extinguishing treatment equipment |
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| CN (1) | CN115068857B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207333606U (en) * | 2017-10-19 | 2018-05-08 | 上海虹匠实业有限公司 | A kind of bilateral driving slide unit |
| CN109331361A (en) * | 2018-10-16 | 2019-02-15 | 重庆科技学院 | A kind of method of the totally-enclosed barrier fire extinguishing of Tunnel Fire |
| CN212942056U (en) * | 2020-06-10 | 2021-04-13 | 陕西路桥集团有限公司 | Dust collector for tunnel engineering |
| CN213234173U (en) * | 2020-06-30 | 2021-05-18 | 上海迪歆品牌设计股份有限公司 | Paint spraying device for interior decoration of service compartment |
| CN112972958A (en) * | 2021-03-18 | 2021-06-18 | 昆明理工大学 | Novel highway tunnel movable water spray fire extinguishing apparatus |
| CN215025481U (en) * | 2021-05-06 | 2021-12-07 | 河南工程学院 | Safety fire extinguishing device for preventing spontaneous combustion of residual coal in goaf |
| CN216566675U (en) * | 2022-01-04 | 2022-05-20 | 张景玉 | Coal mining machine rail fixing type dust isolating and reducing device for coal mine |
-
2022
- 2022-06-10 CN CN202210649167.5A patent/CN115068857B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN207333606U (en) * | 2017-10-19 | 2018-05-08 | 上海虹匠实业有限公司 | A kind of bilateral driving slide unit |
| CN109331361A (en) * | 2018-10-16 | 2019-02-15 | 重庆科技学院 | A kind of method of the totally-enclosed barrier fire extinguishing of Tunnel Fire |
| CN212942056U (en) * | 2020-06-10 | 2021-04-13 | 陕西路桥集团有限公司 | Dust collector for tunnel engineering |
| CN213234173U (en) * | 2020-06-30 | 2021-05-18 | 上海迪歆品牌设计股份有限公司 | Paint spraying device for interior decoration of service compartment |
| CN112972958A (en) * | 2021-03-18 | 2021-06-18 | 昆明理工大学 | Novel highway tunnel movable water spray fire extinguishing apparatus |
| CN215025481U (en) * | 2021-05-06 | 2021-12-07 | 河南工程学院 | Safety fire extinguishing device for preventing spontaneous combustion of residual coal in goaf |
| CN216566675U (en) * | 2022-01-04 | 2022-05-20 | 张景玉 | Coal mining machine rail fixing type dust isolating and reducing device for coal mine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN115068857B (en) | 2023-03-21 |
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