CN202510155U - Pipeline escape system in tunnel construction accident - Google Patents
Pipeline escape system in tunnel construction accident Download PDFInfo
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- CN202510155U CN202510155U CN2011203085272U CN201120308527U CN202510155U CN 202510155 U CN202510155 U CN 202510155U CN 2011203085272 U CN2011203085272 U CN 2011203085272U CN 201120308527 U CN201120308527 U CN 201120308527U CN 202510155 U CN202510155 U CN 202510155U
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Abstract
A pipeline escape system in a tunnel construction accident is characterized in that a safety scaffolding is arranged in a position with a certain distance away from an excavation tunnel face of a construction tunnel, the safety scaffolding is connected with one end of an escape pipeline, the distance away from the excavation tunnel face is no less than 26 meters, the distance is no less than 21 meters in a step method construction, and the other end of the escape pipeline is close to a secondary lining segment of the construction tunnel. With the above structure, the pipeline escape system in the tunnel construction accident is convenient to use, the installation and moving time are short, the equipment is simple to use and operate, the investment is not high, and the economic benefit is substantial, thereby facilitating popularization. More importantly, once the tunnel closing collapse accident happens, the system can effectively save the life of construction personnel, so the social benefit and economic benefit are huge.
Description
Technical field
The utility model relates to a kind of self-help escape system, particularly a kind of constructing tunnel pipeline self-help escape system in the landslide accident of closing the door.
Background technology
The cause of China's communications and transportation in recent years obtains develop rapidly, and railway, speedway and state's provincial trunk highway construction all obtain very quantum jump.It is main when the circuit of building through the mountain ridge, mainly passing through with tunnel style.And in the constructing tunnel process, under the situation of complicated geological condition, difficulty of construction is big, and construction risk is high, catastrophic failures such as the landslide that very easily occurs closing the door, roof fall, prominent mud water burst, and its constructor's safety guarantee becomes the problem of various circles of society's special concern.
Present constructing tunnel mainly adopts artificial drilling and blasting method operation, and the rescue technology can not satisfy the needs of safe construction.The condition of saving oneself and the ability that are embodied as the constructor are also quite weak, can't win valuable rescue time; Often determined whether that with the mode of the signal of sounding the people is stranded during rescue through knocking metal object; Because trapped personnel can only wait for rescue; Serious to a great extent slow guarantee of rescuing speed and safety in advance causes dangerous situation to spread, even leads to second accident.Although some constructing tunnel enterprises carry out active research to the characteristics of constructing tunnel, some important achievement on partial technical problems, have been obtained.But these technological achievements have the limitation of region and technical elements, are exemplified below:
1) two parallel tunnels passway for escaping each other.
At present, the more rescue technology of domestic application is to set up the constructing tunnel passway for escaping, and this passway for escaping theory at home and abroad embodies in speedway and the construction of railways to some extent.Speedway is two parallel tunnels normally, between be designed with driving horizontal hole and cross walk.Run away to the passage in another tunnel in the time of can they being had an accident as a tunnel in the construction.Usually excavate parallel heading during railway tunnel construction, its effect is that advanced prediction and multiple line are subsequent use.Can set up the interface channel between master hole, tunnel and the parallel heading, the passway for escaping that has an accident as the tunnel.
2) pilot tunnel is as passway for escaping in.
The frame mode of " three encircle " is taked from form of structure in the tunnel, and middle pilot tunnel is in the centre, and both sides are two-way Four-Lane Road.And the middle pilot tunnel effect that connects is great, and this " piping lane " but born the effect of pipeline installation equipment and escape though diameter has only 2 meters.
3) U type turn-round tunnel.
The passway for escaping design comes into effect and obtains certain success in China part tunnel.In the Zhonnanshan Mountain, Qinling Mountains highway super long tunnel (18.04 kilometers) fire is taken precautions against natural calamities scheme,, evacuation wagon flow stream of people scheme has been proposed according to recent single hole two-way traffic and one-way traffic at a specified future date.In the two-way traffic scheme of recent single hole, the both sides, tunnel are provided with a plurality of U type turn-rounds, yet this scheme needs bigger civil engineering costs, but U type turn-round can be used as the ingredient that not rifling tunnel and two wires link.In the tunnel, two wires at a specified future date, utilize parallel heading and transverse passage-way between two lines, can in time evacuate an endless flow of people and wagon flow.
For the construction of highway list hole tunnel, the constructor can safety exit when how to design passway for escaping and taking place with the assurance accident, increases construction cost again not significantly, does not also have the mature experience of this respect can be for reference at present both at home and abroad.
Summary of the invention
The utility model technical problem to be solved provides pipeline escape system in a kind of constructing tunnel accident, can be implemented in escape, rescue in the constructing tunnel accident by lower cost, also can interim shelter be provided for the constructor.
For solving the problems of the technologies described above; The technical scheme that the utility model adopted is: pipeline escape system in a kind of constructing tunnel accident; The position that is not more than 26 meters at the excavation face from construction tunnel is provided with safe frame, and safe frame is connected with an end of pipe for escaping.
In the scheme of optimizing, during the benching tunnelling method construction, the position that is not more than 21 meters at the excavation face from construction tunnel is provided with safe frame.
[0012]The other end of pipe for escaping is near the secondary lining cutting section of construction tunnel.
In the described safe frame, bracing frame is provided with the arc protected apron near an end of excavation face and the upper surface of bracing frame.
Described arc protected apron external surface is provided with a plurality of cushion rubber bumpers.
Described pipe for escaping is provided with a plurality of inlets.
Also be provided with a plurality of hangers on described pipe for escaping and the safe frame.
Described safe frame and pipe for escaping have sandbag.
Also be provided with provisions pipe, life, safety apparatus, lighting device and communication equipment in the described safe frame.
Also be provided with flat bogie in the described safe frame, described flat bogie below is provided with the axle of two arcs, and the axle of arc is provided with a plurality of wheels.
Described pipe for escaping is steel pipe or concrete pipe.
The every 4-6 rice of described pipe for escaping is a sections, and each saves and adopts flange or type flange to connect between the pipe for escaping, advances with the excavation face.
Pipeline escape system in a kind of constructing tunnel accident that the utility model provides leaves the position of digging the face certain distance through employing safe frame is set, the structure that safe frame is connected with an end of pipe for escaping; Easy to use, install and move used time weak point, equipment is simple; Easy to operate, drop into not quite, and do not influence normal excavation construction (aperture time of inter process capable of using carries out dismounting); Through calculate the purchasing of this system, install, comprehensive cost such as use is converted into 100 yuan approximately according to every meter of length of tunnel; Drop into approximately altogether and need 150,000 yuan, with respect to if hundreds of thousands that the Tunnel Landslide security incident causes even loss up to a million, remarkable in economical benefits; Thereby help promoting; In case the more important thing is the Tunnel Landslide accident to occur, this system can save constructor's life effectively, social benefit and economic benefit are huge.The policy of putting prevention first according to safety for tunnel engineering work on the other hand; To avoid as far as possible and stop taking place security incidents such as landslide; This system also can be used in the tunnel, create good safe construction environment as an important safety protective equipment in the tunnel excavation construction; Particularly to the constructor in the tunnel played irreplaceable good action psychologically, help the normal smooth construction of engineering.Because the pipe for escaping that is provided with can pass the landslide section, the utility model is particularly suited for the constructing tunnel self-help escape in the landslide accident of closing the door.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is described further:
Fig. 1 is the integrally-built vertical view of the utility model.
Fig. 2 is the integrally-built front view of the utility model.
Fig. 3 is the utility model integrally-built front view in adopting the up/down steps excavation construction.
Fig. 4 is the front view of safe frame in the utility model.
Fig. 5 is the left view of safe frame in the utility model.
Fig. 6 is the vertical view of safe frame in the utility model.
Fig. 7 is the lateral view of pipe for escaping in the utility model.
Fig. 8 looks sketch map for the master of pipe for escaping in the utility model.
Fig. 9 looks sketch map for the master of pipe for escaping intake section in the utility model.
Figure 10 is the upward view of the utility model middle plateform dolly.
Figure 11 is the lateral view of the utility model middle plateform dolly.
Among the figure, pipe for escaping 1, safe frame 2, bracing frame 21, arc protected apron 22, hanger 23, excavation face 3, sandbag 4, excavation ground line 5, elementary supporting 6, inlet 7, secondary lining cutting section 8, flat bogie 9.
The specific embodiment
In Fig. 1-3, pipeline escape system in a kind of constructing tunnel accident is provided with safe frame 2 in the position with a certain distance from the excavation face 3 of construction tunnel, and safe frame is connected with an end of pipe for escaping 1.Usually distance excavation face 3 is not more than 26 meters, is not more than 21 meters during the benching tunnelling method construction, for the constructor shelter is provided when being beneficial to accident occur.Safe in this example frame and pipe for escaping 1 are near the side wall of construction tunnel one side.
In Fig. 7-8, the other end of pipe for escaping 1 is near the secondary lining cutting section 8 of construction tunnel.The distance of excavation face 3 and secondary lining cutting section 8 is usually between 100 meters to 200 meters.Along with the progress of excavation face 3 constructions, pipe for escaping will constantly be pushed ahead thereupon.So the length of pipeline is elected 168 meters as in this example.
Described pipe for escaping 1 is steel pipe or concrete pipe.The cost of concrete pipe is lower, but deadweight is heavier, moves comparatively trouble.Then weight is lighter to adopt steel pipe, is beneficial to and moves, and cooperates flat bogie 9; Also be beneficial to the fast moving of personnel in steel pipe, adopt the steel pipe of diameter 820mm wall thickness 10mm in this example, through the falling rocks test; 300kg piece stone position directly over 7 meters drop impact conduit axis, the end that maximum deformation value is positioned at pipeline is 80mm, does not influence use; Under 7 meters highly free-falling percussions of piece stone of maximum 520kg, distortion still can be satisfied the requirement that personnel pass through.The length of single-unit steel pipe is got 4-6 meters in this example, and weight is 800-1200kg, can lift by crane easily and move through the hanger 23 that is provided with on it.Each saves and adopts flange or type flange to connect between the steel pipe.Described type flange connects the position that is the both sides in the middle of the steel pipe height flange is set, and such connected mode construction is simple, remove and install in the process at pipeline more convenient, and both economical, thereby help higher generalization.
In Fig. 4-6, in the described safe frame 2, bracing frame 21 is provided with arc protected apron 22 near an end of excavation face 3 and the upper surface of bracing frame 21.Bracing frame 21 agent structures of safe frame adopt the frame type steel work; The chassis body rod member adopts the heavy channel-section steel of 12#; Its key dimension is 120 * 53 * 5.5mm (being respectively channel-section steel width, wing plate width and thickness), and welding is adopted in channel-section steel connection each other.Enter the mouth with increasing because the major function of safe frame is the protection import, therefore for guaranteeing frame internal staff safety, safe frame need bear the impact load of constant weight falling rocks.The tunnel top sillar drops and the percussion of face explosion sillar in order to slow down, and becomes semi-cylindrical with the top of safe frame 2 and near the face lateral layout respectively.
Be provided with a plurality of cushion rubber bumpers at described arc protected apron 22 external surfaces.For slowing down the percussion of excavation blasting flyrock, safe frame top and end need hang the junked tire of some, also place the rubber tyre of some at the first-half pipe for escaping top that joins with the safety frame, and its number needs is on-the-spot definite.
Arc protected apron 22 thickness are 1.4cm.Safe frame 2 is vertically long 260cm along the tunnel, wide 120cm, high 150cm, gross weight 1180kg.
In Fig. 9, described pipe for escaping 1 is provided with a plurality of inlets 7.A plurality of inlets help constructor's rapid evacuation.Spacing between each inlet is 60 meters in this example.
Also be provided with a plurality of hangers 23 on described pipe for escaping 1 and the safe frame 2.The hanger 23 that is provided with is used for carrying easily pipe for escaping 1 and safe frame 2.
Described safe frame and pipe for escaping 1 have sandbag 4.Below safety frame and pipe for escaping 1, laying some sandbags has following two effects, and the first keeps ground smooth, and second it can play certain cushioning effect.
Also be provided with provisions pipe, life, safety apparatus, lighting device and communication equipment in the described safe frame 2.
The provisions pipe when 1 round ratchel heavy damage of pipe for escaping, needs to supply the certain nutrition material to stranded constructor, and like water, milk and other food etc., and provisions Guan Ze is the central core of circulation of these nutriment transmission.It is the plastic flexible pipe of 20mm that the provisions pipe adopts diameter, and 1 vertically places from safety frame 2 along pipe for escaping, and the provisions pipe need not to fix, and directly is put in the escape tube inner bottom part.To make things convenient for removing and installing of pipe for escaping, provisions pipe range 180m in this example.
Life is portable oxygen uptake equipment, water and food, and because of pipe for escaping length is longer, phenomenons such as anoxic appear in personnel easily through the middle part.For guaranteeing constructor's smooth transfer, place some portable oxygen uptake equipment in the safe frame, oxygen uptake equipment is intended and is adopted nasal oxygen tube formula face mask type oxygen inhaler, and oxygen inhaler quantity is 20 covers in this example.
Safety apparatus is stretcher and lead, when the tunnel close the door the landslide situation of injury to personnel appears and after, Folding stretcher can help them to run away to the safety area smoothly.According to ordinary people's height and shoulder breadth, the length of stretcher should be got 2 meters, and width is 60cm, and the bottom is provided with 6 scroll wheels, and along lorizontal folding.The stretcher two ends are provided with place hook respectively to make things convenient for the lead pulling.Whole escape system is provided with stretcher 1 pair, and stretcher is positioned over the external security area.
The main effect of lead is to affect stretcher in pipeline, to slide, and lead is provided with two pairs, and length is respectively 200 meters, is positioned over safe frame and safety area place respectively.
Pipe interior is not provided with lighting apparatus; The protected against explosion mine lamp is all adopted in all illuminations; The main purpose that adopts Explosion-proof miner's lamp is to prevent in the gas rock stratum, to occur the peril that this concentration of invar is assembled and generation is exploded, and Explosion-proof miner's lamp quantity is 20 covers, is positioned in the safe frame.
Also be provided with flat bogie 9 in the described safe frame 2, in Figure 10-11, described flat bogie 9 belows are provided with the axle of two arcs, and the axle of arc is provided with a plurality of wheels.Adopted 8 wheels like the flat bogie in this example 9, each wheel is all vertical with arc shaft, and arc shaft is meant that its integral body is arc, and in the position that cooperates with wheel, axle still is a straightway, is beneficial to slide.Flat bogie 9 can mannedly very easily slide in pipe for escaping 1 fast, thereby is beneficial to withdrawing fast of personnel.
Claims (12)
1. pipeline escape system in the constructing tunnel accident, it is characterized in that: the position that is not more than 26 meters at the excavation face (3) from construction tunnel is provided with safe frame (2), and safe frame is connected with an end of pipe for escaping (1).
2. pipeline escape system in a kind of constructing tunnel accident according to claim 1 is characterized in that: in benching tunnelling method when construction,, the position that is not more than 21 meters at the excavation face (3) from construction tunnel is provided with safe frame (2).
3. pipeline escape system in a kind of constructing tunnel accident according to claim 1 and 2 is characterized in that: the other end of pipe for escaping (1) is near the secondary lining cutting section (8) of construction tunnel.
4. pipeline escape system in a kind of constructing tunnel accident according to claim 1 and 2; It is characterized in that: in the described safe frame (2), bracing frame (21) is provided with arc protected apron (22) near an end of excavation face (3) and the upper surface of bracing frame (21).
5. pipeline escape system in a kind of constructing tunnel accident according to claim 4 is characterized in that: described arc protected apron (22) external surface is provided with a plurality of cushion rubber bumpers.
6. pipeline escape system in a kind of constructing tunnel accident according to claim 1 and 2 is characterized in that: described pipe for escaping (1) is provided with a plurality of inlets (7).
7. pipeline escape system in a kind of constructing tunnel accident according to claim 1 and 2 is characterized in that: also be provided with a plurality of hangers (23) on described pipe for escaping (1) and the safe frame (2).
8. pipeline escape system in a kind of constructing tunnel accident according to claim 1 and 2 is characterized in that: described safe frame and pipe for escaping (1) have sandbag (4).
9. pipeline escape system in a kind of constructing tunnel accident according to claim 1 and 2 is characterized in that: also be provided with provisions pipe, life, safety apparatus, lighting device and communication equipment in the described safe frame (2).
10. pipeline escape system in a kind of constructing tunnel accident according to claim 1 and 2; It is characterized in that: also be provided with flat bogie (9) in the described safe frame (2); Described flat bogie (9) below is provided with the axle of two arcs, and the axle of arc is provided with a plurality of wheels.
11. pipeline escape system in a kind of constructing tunnel accident according to claim 1 and 2 is characterized in that: described pipe for escaping (1) is steel pipe or concrete pipe.
12. pipeline escape system in a kind of constructing tunnel accident according to claim 1 and 2 is characterized in that: the every 4-6 rice of described pipe for escaping (1) is a sections, and each saves and adopts flange or type flange to connect between the pipe for escaping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203085272U CN202510155U (en) | 2011-08-23 | 2011-08-23 | Pipeline escape system in tunnel construction accident |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203085272U CN202510155U (en) | 2011-08-23 | 2011-08-23 | Pipeline escape system in tunnel construction accident |
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| Publication Number | Publication Date |
|---|---|
| CN202510155U true CN202510155U (en) | 2012-10-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203085272U Expired - Fee Related CN202510155U (en) | 2011-08-23 | 2011-08-23 | Pipeline escape system in tunnel construction accident |
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| Country | Link |
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| CN (1) | CN202510155U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727846A (en) * | 2015-04-10 | 2015-06-24 | 付崇砚 | Fast escape car special for escape pipe |
| CN107424506A (en) * | 2017-08-01 | 2017-12-01 | 北京市鑫强安全科技有限公司 | Modularization safety for tunnel engineering hidden danger experiences simulated device |
| CN117307239A (en) * | 2023-11-29 | 2023-12-29 | 泰兴市华诚机电制造有限公司 | Air supply device of tunnel construction rescue capsule and use method |
-
2011
- 2011-08-23 CN CN2011203085272U patent/CN202510155U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104727846A (en) * | 2015-04-10 | 2015-06-24 | 付崇砚 | Fast escape car special for escape pipe |
| CN107424506A (en) * | 2017-08-01 | 2017-12-01 | 北京市鑫强安全科技有限公司 | Modularization safety for tunnel engineering hidden danger experiences simulated device |
| CN107424506B (en) * | 2017-08-01 | 2024-04-26 | 许明哲 | Simulation device is experienced to modularization tunnel construction potential safety hazard |
| CN117307239A (en) * | 2023-11-29 | 2023-12-29 | 泰兴市华诚机电制造有限公司 | Air supply device of tunnel construction rescue capsule and use method |
| CN117307239B (en) * | 2023-11-29 | 2024-01-30 | 泰兴市华诚机电制造有限公司 | Air supply device of tunnel construction rescue capsule and use method |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121031 Termination date: 20130823 |