CN106205349B - Tunnel environment quantifies simulation system and method - Google Patents
Tunnel environment quantifies simulation system and method Download PDFInfo
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- CN106205349B CN106205349B CN201610620556.XA CN201610620556A CN106205349B CN 106205349 B CN106205349 B CN 106205349B CN 201610620556 A CN201610620556 A CN 201610620556A CN 106205349 B CN106205349 B CN 106205349B
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Abstract
The present invention relates to a kind of tunnel environment quantization simulation system and its application method, it includes that brightness adjusting unit, humidity adjustment unit and dust adjust unit which, which mainly includes control device, camera-shooting scanning test platform, environment regulating device, environment regulating device,.The present invention develops face information collecting device to the experimental system of environmental factor susceptibility in tunnel, experimental system passes through simulation tunnel true environment feature, change the principal elements such as intensity of illumination, dust concentration, the steam humidity for influencing equipment work, sensibility of the testing equipment to each influence factor, to instruct tunnel structure face acquisition equipment part type selecting and relevant parameter adjustment, to improve the reliability and practicability of research and development equipment.The configuration of the present invention is simple, it is easy to operate, improve working efficiency.
Description
Technical field
The present invention relates to tunnels mimic test more particularly to tunnel environment quantization simulation systems and method.
Background technique
As country increases infrastructure construction dynamics, scale constantly increases, and construction difficulty also continues to increase, many places
Due to geographical location, tunnel construction occupies very big specific gravity.Simultaneously China's underground space development to modernization,
Scientific direction is developed.
In the practical process of construction in tunnel, need to make a prediction to the structural plane and front geological structure of tunnel tunnel face,
Artificial prediction can waste a large amount of manpower, financial resources, material resources, this just needs further to research and develop face camera-shooting scanning equipment
It improves.Face camera-shooting scanning equipment is larger to tunnel environment factor susceptibility simultaneously, by test camera-shooting scanning equipment to ring
Border factor sensitivity advantageously improves equipment performance and practicability, liberates manpower and material resources, and working procedure is close in tunnel, no
Conducive to progress long-time test.So building tunnel environment quantization simulation system is very necessary.
Summary of the invention
For the present invention in order to solve deficiencies of the prior art, the present invention provides a kind of quantizations of tunnel environment to simulate
System, the system obtain camera shooting, scanning device responsive parameter, to instruct tunnel knot convenient for environmental characteristic in simulation tunnel
Structure face acquires equipment part type selecting and relevant parameter adjustment, to improve the reliability and practicability of research and development equipment.Face is just
Simulation tunnel excavation, detection etc. can be achieved in substituting, meet experiment demand in more analog tunnel, and can save and occupy practical tunnel
Road on-site construction time.
The application method for additionally providing tunnel environment quantization simulation system obtains camera shooting by the simulation to tunnel environment
The relationship of experimental enviroment in scan test device and tunnel.
In order to achieve the above objectives, the present invention adopts the following technical scheme:
Tunnel environment quantifies simulation system, comprising:
Tunnel is simulated, side in tunnel is simulated and face falseface is set, the face falseface is replaceable；
For obtaining the camera-shooting scanning experimental rig of tunnel tunnel face falseface image, it is set in simulation tunnel；
Camera-shooting scanning experimental rig is fixed on a camera-shooting scanning test platform, and camera-shooting scanning experimental rig is digital camera
Either imager or laser scanner, these devices should adjust type selecting and relevant parameter, to be more suitable tunnel environment application,
Camera-shooting scanning experimental rig saves the original geological information of face, so that the later period is to tunnel tunnel face wall rock structure face
Information is analyzed and processed；
For simulating and being adjusted the environment regulating device of environmental parameter, which is set in simulation tunnel；
Control device is set in simulation tunnel, the device and the camera-shooting scanning experimental rig and environment regulating device
It individually connects, control device is programmable controller.
Further, further include the data acquisition device for being used to collect environmental parameters data, adopted by data acquisition device
The data of collection transmit these data to control device, so as to the movement of control device control environment regulating device, data acquisition dress
It sets including steam Humidity Detection instrument and sensor of dust concentration to detect humidity and dust concentration in simulation tunnel, institute
Stating environment regulating device includes that brightness adjusting unit, humidity adjustment unit and dust adjust unit.
Dust adjusts unit, including loading platform, and loading platform surface is equipped with rotating mechanism,
The height of dust injector, dust injector is adjustable；
Dust injector includes dust cover, and the entrance of dust cover is connect by duff pipe with powder supplying mechanism, powder supplying mechanism and
The connection of compressed-air power source is equipped with suction section in dust cover exit, and dust cover is fixed on rotating mechanism by fixed frame,
The angle of the adjustable fixed frame rotation of the setting of rotating mechanism, thus the direction that control is blown.
In order to more preferably simulate actual conditions in Tunnel Engineering, using tunnel dust simulation system of the invention, so that dust
For cover jet face towards the work surface in tunnel, work surface is the working face that tunneling is constantly pushed ahead, and includes abutment wall face, arch
Top surface and face, adjustable dust injection direction, meet site operation environment, to control dust flow path, more
Meet tunnel spray anchor supporting process, makes tunnel dust simulation more true effect.
Further, in order to preferably spray, the dust cover is tapered, and dust cover one end size is greater than the other end
Size.
Further, the suction section is the impeller inducer set on the big end of dust cover size, and lays steel wire cover
At lid dust outlet, the blade of impeller inducer can Double-directional rotary, and the revolving speed for being adjustable impeller inducer realizes the powder of various concentration
Dirt injection, can fast implement dust concentration and be rapidly reached some value in the case that revolving speed is fast, can be attainable according to practical explosion
Dust effect, to select the velocity magnitude of impeller inducer.
Impeller inducer only needs simple dynamical system, such as electric motor starting, and basic principle is identical as fan leaf rotation, controller with
Rotating electric machine connection, controller controls the rotation of rotating electric machine, and then drives the rotation of impeller inducer.
Double-directional rotary is that actually to control the generation of dust according to tunnel actual conditions in tunnel may be because of tunnels such as explosions
Internal environment generates in road, it is furthermore possible that being to enter inside on the outside of tunnel, realizes simulation, water conservancy diversion in order to more true
Impeller preferably can Double-directional rotary, rotating electric machine reversion can be realized impeller inducer and rotates round about.
Further, dust injector one end is fixed on the rotating mechanism by the fixed frame, another
Setting jack realizes that dust injector jetting height is adjustable between end and rotating mechanism.
Further, the rotating mechanism is that shell coats and the bearing on the loading platform is arranged in.
Further, the powder supplying mechanism is provided with artificial dust, and artificial dust includes mineral dust, free titanium dioxide
Silica soot and cement, mineral dust are used to simulate the dust of tunnel tunnel face explosion generation, free silicon dioxide dust, cement
For simulating the dust of gunite concrete process generation.
Tunnel Source of Dust also includes eolian dust, and is generated before exploitation because of the reasons such as geologic process and geologic change
Dust, be present in stratification, joint and the crack of rock mass；In addition to this, technique dust is also the main source of tunnel dust
One of, i.e., rock mass drilling, abandon quarrel shipment, get rid of the danger during rubbed, collide, squeeze the effects of and the dust that generates；It is spraying
It penetrates in concrete construction, high pressure draught blowout cement and fine sand can also generate a large amount of dust；In the present invention based on true environment and
The mechanism that the above dust generates selects suitable artificial dust, preferably realizes and simulate to the dust in Tunnel Engineering.
Further, mobile mechanism is set in the bottom of the loading platform, there are four wheels for loading platform band, guarantee fortune
Balance during defeated realizes moving freely for dust injection, improves its flexibility.
Further, the rotating mechanism is rotating electric machine, and tunnel dust simulation system further includes controller, controller with
Rotating electric machine, suction section individually connect, rotating mechanism can horizontal 360-degree rotation, adjust impeller inducer horizontal plane on turn
Dynamic angle, to control direction and size that dust simulation system is blown.
Further, nozzle is equipped in the dust cover, nozzle is connect with the duff pipe.
Further, the brightness adjusting unit includes luminous component, and luminous component is connect with power switch.
Further, the humidity adjustment unit includes humidifier apparatus and the adjustable size that connect with humidifier apparatus
Humidistat.
The application method of tunnel environment quantization simulation system, the specific steps are as follows:
1) when simulating tunnel excavation, detection test, the face falseface with different geologic features is replaced；
2) data acquisition device real-time monitoring obtains environment characteristic parameters and feeds back to control device, acquires and fills in no data
In the case where setting, by manually adjusting environment regulating device by control device；
3) control device is realized by environment regulating device and environment characteristic parameters in simulation tunnel is adjusted, and reaches mould
Intend the environmental effect of true tunnel different construction stages；
4) characteristic of control device control image acquisition device face, and analyzed by analysis and test device
Susceptibility of the camera-shooting scanning experimental rig to varying environment characteristic parameter in tunnel.
It adopts with the aforedescribed process, the related data of acquisition is sent to control device by data acquisition device, in the process
Camera-shooting scanning experimental rig is analyzed to the susceptibility of varying environment, thus in subsequent Practical Project, according to vapour concentration, powder
The specific environments such as dust concentration select suitable photographic equipment (accessory type selecting and parameter selection), meanwhile, the simulated environment of dust into
One step makes above-mentioned test result further conform to Practical Project, and it is sensitive to complex environment to improve camera-shooting scanning experimental rig
Spend the accuracy of measurement.
The beneficial effects of the present invention are:
1. it realizes by simulation tunnel true environment feature, and by each device in constructing tunnel, each environmental parameter
Simulation, can obtain digital camera, imager and laser scanner etc. to the susceptibility of varying environment characteristic parameter in tunnel, to mentioning
The reliability of equipment has directive significance in high practice of construction environment；
2. face falseface is replaceable, the simulation of different geology tunnel excavations and detection is realized, meet more analog tunnel
Experiment demand in road saves and occupies actual tunnel on-site construction time, so that the financial resource and material resource during saving constructing tunnel provide
Source；
3. the present invention is according to true environment in tunnel and dust mechanism of production, manual simulation tunnel dust can prepare powder
Dirt gradation and dust size, and facilitate the adjusting realized to dust concentration in tunnel.
4. the present invention can be adjusted dust injection direction with horizontal 360-degree, be erected by the setting of rotating mechanism and jack
Straight elevation angle maximum can arrive a certain angle, adaptable.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is that dust of the present invention adjusts cell schematics；
1. control device in figure；2. camera-shooting scanning test platform；3. artificial dust；4. brightness adjusting unit；5. humidity tune
Save unit；6. dust adjusts unit；7. face falseface, 8. powder supplying mechanisms；9. duff pipe；10. dust cover；11. protective cover；
12. impeller inducer；13. rotating mechanism；14. hydraulic jack；15. fixed frame；16. loading platform.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Whole description.
Tunnel environment quantifies simulation system, comprising:
Tunnel is simulated, side in tunnel is simulated and face falseface 7 is set；
Camera-shooting scanning test platform 2 is set in simulation tunnel, sweeps in stage+module digital camera, imager and the laser
Retouch instrument；
For detecting the environment regulating device of environmental parameter, it is set in simulation tunnel；
Control device 1, control device control entire experiment porch and experimental data storage, are set in simulation tunnel, the dress
It sets and is individually connect with the digital camera, imager, laser scanner and environment regulating device.
Further, the brightness adjusting unit includes luminous component, and luminous component is connect with power switch, luminous component
It is connect with power switch, the adjustable simulation system brightness of brightness adjusting unit, simulates the brightness of different phase in tunnel, test
Analysis scanning experimental provision obtains the effect of face image under different brightness conditions.
Further, the humidity adjustment unit includes the humidistat of adjustable size.
Dust adjusts unit 6 by artificial dust 3, powder supplying mechanism 8, duff pipe 9, dust cover 10, protective cover 11, impeller inducer
12, rotating mechanism 13, hydraulic jack 14, fixed frame 15, loading platform 16 form.It is produced according to true environment in tunnel and dust
Life reason, manual simulation tunnel dust can not only prepare dust gradation, adjust dust size, can also be by carrying water conservancy diversion
The rotation of impeller 12 drives air flowing, adjusts dust concentration distribution；The adjustable powder of rotating mechanism 13 and hydraulic a thousand pieces of gold top 8 simultaneously
10 direction of dust hood is more in line with tunnel spray anchor supporting process to control dust flow path, keeps dust simulation in tunnel trueer
Actual effect fruit.
The artificial dust 1 includes mineral dust, free silicon dioxide dust and cement etc., and mineral dust is used to mould
The dust that quasi- tunnel tunnel face explosion generates, free silicon dioxide dust, cement are used to simulate the generation of gunite concrete process
Dust.In simulation process, it can be needed to carry out artificial dust according to test to match in advance；
The powder supplying mechanism 8 has the function of the artificial dust 1 of storage, is made of antistatic material, it can be achieved that repeatedly loading；
The duff pipe 9 can transport the artificial dust 1 in powder supplying mechanism 8 to dust cover 10；
The dust cover 10 is by the way that artificial dust 1 is generated through conduit supply nozzle under high pressure, in powder supplying mechanism
In, artificial powder 1 is in a kind of state of fluidisation, this is to realize that powder passes through rainbow later by the effect of compressed air
Suction effect is by swiftly flowing air-flow with formation powder gas mixing by duff pipe 9, eventually arrives on nozzle, and adjust respectively
Whole powder and AIR Proportional change powder outlet quantity, realize that concentration is adjusted, and the principle of both adjustment ratio is: powder supplying mechanism and injection
Formula air compressor is connected, and using high velocity jet gas, dust is driven to enter duff pipe, and it is dense to control dust by gas velocity
Degree, gas velocity is bigger, and dust concentration is higher.
Impeller inducer 12 is arranged in the big end of the dust cover size, and lays steel wire cover as protective cover 11 and cover the end
Portion, the protective cover 11 are meshy steel wire cover, prevent from injuring operator under 12 high-speed rotation of impeller inducer, and there is protection to make
With；
Blade of the impeller inducer 12 by runner and with certain deflection radian forms, and impeller inducer 12 and dust spray
Device 7 is coaxial, blade can Double-directional rotary, control pressure height can blow the dust that dust cover 10 is ejected, and be adjustable its turn
Speed, the initial velocity sprayed according to engineering realistic simulation dust；
The rotating mechanism 13 can horizontal 360-degree rotation, adjust the angle that rotates on 12 horizontal plane of impeller inducer, thus
Control the direction blown and size；
Hydraulic jack is obliquely installed, and the shell of one end and rotating mechanism is fixed, and the bottom of the other end and dust cover 10 is solid
Fixed, hydraulic a thousand pieces of gold top 8 can freely contract, adjust the angle of steeving of dust cover 10, control the dust injection side of vertical plane
To；
The fixed frame 15 and the fixed device of dust cover 10, as shown in Figure 2；
The loading platform 16 guarantees the balance in transportational process with there are four wheel, realizes freely moving for dust injection
It is dynamic, improve its flexibility；
When using the device, the big one end of 10 size of dust cover is arranged towards work surface, and work surface is that tunneling is continuous
The working face pushed ahead includes abutment wall face, vault face and face.
A kind of application method of tunnel environment quantization simulation system, comprising the following steps:
1) Computer Control Unit, which controls replaceable face falseface and replaces, is suitble to having for experimental condition really to slap
The simulation face of sub- region feature；
2) environment regulating device real-time monitoring obtains indoor varying environment characteristic parameter, feeds back to Computer Control Unit；
3) Computer Control Unit is wet to intensity of illumination, steam according to feedback environment characteristic parameter control environment adjustment system
Degree, dust concentration etc. are adjusted, and reach the different construction stage environmental effects in the true tunnel of simulation；
4) after each environmental characteristic meets, computer control system operates live pick up, scan test platform acquires face
Characteristic, and digital camera, imager and laser scanner are analyzed to varying environment spy in tunnel by analysis and test device
Levy the susceptibility of parameter.
The above is only a preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also answered
It is considered as protection scope of the present invention.
Claims (8)
1. tunnel environment quantifies simulation system characterized by comprising
Tunnel is simulated, side in tunnel is simulated and face falseface is set；
For obtaining the camera-shooting scanning experimental rig of tunnel tunnel face falseface image, it is set in simulation tunnel；
For simulating and being adjusted the environment regulating device of environmental parameter, which is set in simulation tunnel, and the environment is adjusted
Device includes that brightness adjusting unit, humidity adjustment unit and dust adjust unit；
It includes loading platform that the dust, which adjusts unit, and loading platform surface is equipped with rotating mechanism, dust injector, dust spray
The height of emitter is adjustable；Dust injector includes dust cover, and the entrance of dust cover is connect by duff pipe with powder supplying mechanism, powder supply
Mechanism is connect with compressed-air power source, is equipped with suction section in dust cover exit, dust cover is fixed on rotation by fixed frame
In mechanism；
It is used to collect environmental parameters the data acquisition device of data；
Control device is set in simulation tunnel, and the device and the camera-shooting scanning experimental rig and environment regulating device are distinguished
Individually connection.
2. tunnel environment as described in claim 1 quantifies simulation system, which is characterized in that dust injector one end passes through
The fixed frame is fixed on the rotating mechanism, and jack is arranged between the other end and rotating mechanism and realizes dust injector
Jetting height is adjustable.
3. tunnel environment as described in claim 1 quantifies simulation system, which is characterized in that the powder supplying mechanism is provided with manually
Dust, artificial dust include mineral dust, free silicon dioxide dust and cement, and mineral dust is used to simulate tunnel face
The dust that face explosion generates, free silicon dioxide dust, cement are used to simulate the dust of gunite concrete process generation.
4. tunnel environment as described in claim 1 quantifies simulation system, which is characterized in that be equipped with spray in the dust cover
Mouth, nozzle are connect with the duff pipe, and nozzle is also connect with compressed air inlet pipe.
5. tunnel environment as described in claim 1 quantifies simulation system, which is characterized in that the brightness adjusting unit includes hair
Light component, luminous component are connect with power switch.
6. tunnel environment as described in claim 1 quantifies simulation system, which is characterized in that the humidity adjustment unit includes adding
The humidistat of wet device device and the adjustable size being connect with humidifier apparatus.
7. tunnel environment as described in claim 1 quantifies simulation system, which is characterized in that the suction section is set on dust cover
The impeller inducer of the big end of size, and lay at steel wire cover covering dust outlet.
8. such as the application method of tunnel environment of any of claims 1-7 quantization simulation system, which is characterized in that tool
Steps are as follows for body:
1) when simulating tunnel excavation, detection test, the face falseface with different geologic features is replaced；
2) data acquisition device real-time monitoring obtains environment characteristic parameters and feeds back to control device, in no data acquisition device
In the case of, by manually adjusting environment regulating device by control device；
3) control device is realized by environment regulating device and environment characteristic parameters in simulation tunnel is adjusted, and it is true to reach simulation
The environmental effect of real tunnel different construction stages；
4) characteristic of control device control image acquisition device face, and analyzed and imaged by analysis and test device
Susceptibility of the scan test device to varying environment characteristic parameter in tunnel.
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