CN103075160B - Visual micro tunnel driving system suitable for model testing - Google Patents
Visual micro tunnel driving system suitable for model testing Download PDFInfo
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- CN103075160B CN103075160B CN201210559637.5A CN201210559637A CN103075160B CN 103075160 B CN103075160 B CN 103075160B CN 201210559637 A CN201210559637 A CN 201210559637A CN 103075160 B CN103075160 B CN 103075160B
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Abstract
The invention discloses a visual micro tunnel driving system suitable for model testing. The visual micro tunnel driving system comprises a tool pan, a light source, a high-speed camera, a dynamic analysis three-dimensional display system, a propelling shaft and a bracket, wherein the propelling shaft is arranged on the bracket; the tool pan, the high-speed camera and the dynamic analysis three-dimensional display system are arranged in sequence on the propelling shaft; and the light source is arranged above the high-speed camera, and is used for providing visual line support for the high-speed camera in a tunnel driving process. The visual micro tunnel driving system has the advantages of high degree of automation, easiness in operating, convenience for excavating, capability of monitoring an excavating process in real time, applicability to automatic and visual excavation of tunnels in geotechnical engineering model testing, and high-speed shooting for recording wall rock driving and damage situations.
Description
Technical field
The present invention relates to a kind of excavation driving real-time monitoring system applied in the middle of coal and gas prominent model testing, especially a kind of visual micro tunnel drivage system of applicable models test.
Background technology
Early 1980s, Fushun branch of Coal Mining Research Institute king helps peace by collection in worksite coal sample, laboratory is shaping, simulation IV, V class outburst danger coal, carry out the experimental study of coal and gas prominent One-dimensional simulation, draw the quantitative relationship between the same vertical stress of intensity of outburst under one-dimensional condition, gas pressure.1996, mechanics institute of the Chinese Academy of Sciences Meng Xiang people such as to jump developed and can change the two-dimentional coal and gas prominent experimental rig that geostatic stress can change again gas pressure.China Mining University Guo Li in 2000 is steady, Yu Qixiang, Jiang Chenglin have studied variations in temperature in outstanding process by the coal and gas prominent device developed, think in coal and gas prominent process, the rising of coal temperature makes elasticity discharge by geostatic stress broken coal to cause, temperature reduces then because methane gas desorb and expansion cause, and its change first raises rear reduction and continually varying.Jiaozuo Institute of Technology Niu Guoqing, face Aiwa, Liu Mingju in 2002 etc. also devise coal and gas prominent device, be used for investigating the variations in temperature in coal and gas prominent process, result of study is thought in coal and gas prominent process, the expansion work process of gas nonadiabatic process, but a polytropic process close to constant temperature process.2003, method and the special equipment (CN02129366.X) of hidden cavern excavation in a kind of physical model test have been invented by Tsing-Hua University, this excavation equipment adopts pre-buried seal wire orientation direction to bend miniature excavating gear and excavates, but need model pre-buried location during excavation, but do not realize visual excavation.Subsequently in 2004, Jiaozuo Institute of Technology Cai successfully waits and devises three-dimensional coal and gas prominent analogue experiment installation according to the theory of similarity, the coal and gas prominent process under experimental simulation different coal type intensity, three-dimensional stress, gas pressure condition.2007, the people such as University Of Chongqing Yin Guang will, Xu Jiang, fresh good fortune have developed large-scale coal and gas prominent simulator stand, the size of giving prominence to coal sample when testing in this device is larger, achieve the face aerification function of gas source of the gas, for exploring the mechanism of action of comprehensive function hypothesis, the coal and gas prominent simulated test under different gas pressure, differently stress can be carried out, the omnidistance playback function of coal and gas prominent process is achieved by means of high-speed camera, achieve certain scientific achievement in Gas Disaster prevention and control field, but do not realize roadway excavation simulation.
Though the progress of coal and gas prominent mechanism deepened to a certain extent by above experimental rig, more or less there is following shortcoming:
1, coal and gas prominent model tunnel is not digging in-situ, can not react underground coal mine more really and give prominence to process;
2, the high speed video system recording coal and gas prominent can not be pushed ahead along with excavation, cannot record the Changing Pattern carrying out tunnel along with excavation;
3, coal and gas prominent device does not all have automation to excavate system.
Summary of the invention
The object of the present invention is to provide a kind of mechanization automatically to excavate system, especially a kind of visual micro tunnel drivage system of applicable models test, simulates and records cross cutting process and the whole process of coal and gas prominent.
For achieving the above object, the present invention adopts following technical scheme.
A visual micro tunnel drivage system for applicable models test, comprises cutterhead, light source, high-speed camera head, dynamic analysis three-dimensional display system, cardan shaft and support; Described cardan shaft is rack-mount, cardan shaft is disposed with cutterhead, high-speed camera head and dynamic analysis three-dimensional display system; Described light source is arranged on above high-speed camera head, for high-speed camera head provides sight line support in tunnelling process.
Described cardan shaft is hollow cylinder axle, and bottom and top are plane, and front end has flock silk sucking opening.
The visual micro tunnel drivage system of described applicable models test can also comprise camera fixed axis, and camera fixed axis is thin and long circular axis, is arranged in the plane on cardan shaft top by vertical steel rib, follows cardan shaft and advances or retreat; Described high-speed camera head is arranged on camera fixed axis front, and is positioned at cutterhead rear, is caught the whole process of coal and gas prominent by the high-speed photography of thousands of frame per second, and then by put slowly analyze coal and gas prominent generation, development and outstanding process.
The visual micro tunnel drivage system of described applicable models test also comprises gyroaxis, and gyroaxis is solid shafting, is arranged on cardan shaft inside, and movable knife disc can be with to rotate.
The visual micro tunnel drivage system of described applicable models test also comprises bearing, and described bearing is positioned in the middle of gyroaxis and cardan shaft, and concentric, bearing plays the effect supporting and reduce friction to gyroaxis.
The visual micro tunnel drivage system of described applicable models test also comprises propulsion electric machine and electric rotating machine, and described propulsion electric machine is rack-mount, for driving system provides power; Electric rotating machine is fixed on the one end away from cutterhead on cardan shaft, and electric rotating machine is connected with gyroaxis by axis of rotation, and is fixed on cardan shaft, and propulsion electric machine is connected with automatic control system respectively with electric rotating machine.
The visual micro tunnel drivage system of described applicable models test also comprises rack and pinion; Described tooth bar is have a series of flat board equidistantly distributing tooth, is arranged on cardan shaft; Described gear is arranged on propulsion electric machine, by propulsion electric machine driven rotary, and coordinates with tooth bar, by tooth bar, rotation is converted to onward impulse.
Described dynamic analysis three-dimensional display system (such as product type can VW-6000 or 9000) is connected with high-speed camera head by wire, rack-mount, and installation site can need to regulate according to scene, to facilitate external observation, record country rock driving and the situation of destruction.
Described cutterhead is yi word pattern cutterhead, before be provided with hobboing cutter.
The height adjustable of described support, comprises framework matrix, spacing pulley, rach slot, bottom elevation oil cylinder and translation roller; The bottom of described framework matrix is with translation roller, and bottom elevation oil cylinder is fixed on framework matrix by forward flange, and is connected with automatic control system, realizes lifting Automated condtrol; Dynamic analysis three-dimensional display system can be laid in the bottom of framework matrix, and center rest, framework baseline top has spacing pulley and rach slot, is used for preventing cardan shaft from rotating in advance process, and support is connected with automatic control system.
The speed that cutter head rotates can adjust easily; Advance or the retrogressing of cutter head can control arbitrarily; The replacing of cutter head is convenient; Particle cleaning during punching is convenient, by flock silk sucking opening sucking-off; Energy Real-Time Monitoring digging process, and outstanding process under high-speed record.
When model needs excavation, this device is moved to the correct position near model, start automatic control system, control support be raised up to rational position and lock, control electric rotating machine works, rotated by gyroaxis band movable knife disc, control cutterhead by propulsion electric machine and move horizontally, the automation excavation of implementation model.
The invention has the beneficial effects as follows: automaticity is high, easy to operate, excavation is convenient, energy Real-Time Monitoring digging process, can be applicable to the automation of geotechnical engineering model testing tunnel, visual excavation, and high-speed camera record country rock driving and the situation of destruction.
Accompanying drawing explanation
Fig. 1 is the structural representation of experimental rig of the present invention;
Fig. 2 is high speed video system structural representation of the present invention;
Fig. 3 is brackets with height-adjustable structural representation of the present invention;
Fig. 4 is that the present invention rotates driving system structural representation
Wherein 1. cutterheads, 2. gyroaxis, 3. light source, 4. high-speed camera head, 5. camera fixed axis, 6. tooth bar, 7. gear, 8. propulsion electric machine, 9. dynamic analysis three-dimensional display system, 10. cardan shaft, 11. supports, 12. electric rotating machines, 13. bearings, the spacing pulley of 11-1., 11-2. rach slot, 11-3. hoist cylinder, 11-4. framework matrix, 11-5. translation roller.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
As shown in Figure 1, the visual micro tunnel drivage system of the applicable models test of the present embodiment, comprises cutterhead 1, light source 3, high-speed camera head 4, dynamic analysis three-dimensional display system 9, cardan shaft 10 and support 11; Described cardan shaft 10 is arranged on support 11, cardan shaft 10 is disposed with cutterhead 1, high-speed camera head 4 and dynamic analysis three-dimensional display system 9; Described light source 3 is arranged on above high-speed camera head 4, for high-speed camera head 4 provides sight line support in tunnelling process;
Described cardan shaft 10 is hollow cylinder axle, and bottom and top are plane, and front end has flock silk sucking opening, can by flock silk sucking opening by chip sucking-off in digging laneway process;
The visual micro tunnel drivage system of the applicable models test of the present embodiment also comprises camera fixed axis 5, and camera fixed axis 5 is thin and long circular axis, is arranged in the plane on cardan shaft 10 top by vertical steel rib, follows cardan shaft 10 and advances or retreat; Described high-speed camera head 4 is arranged on camera fixed axis 5 front, and be positioned at cutterhead 1 rear, caught the whole process of coal and gas prominent by the high-speed photography of thousands of frame per second, and then by put slowly analyze coal and gas prominent generation, development and outstanding process;
The visual micro tunnel drivage system of the applicable models test of the present embodiment also comprises gyroaxis 2, and gyroaxis 2 is solid shafting, is arranged on cardan shaft 10 inner, movable knife disc 1 can be with to rotate;
The visual micro tunnel drivage system of the applicable models test of the present embodiment also comprises bearing 13, and described bearing 13 is positioned in the middle of gyroaxis 2 and cardan shaft 10, and concentric, bearing 13 pairs of gyroaxises 2 play the effect supporting and reduce friction;
The visual micro tunnel drivage system of the applicable models test of the present embodiment also comprises propulsion electric machine 8 and electric rotating machine 12, and described propulsion electric machine 8 is arranged on support 11, for driving system provides power; Electric rotating machine 12 is fixed on the one end away from cutterhead 1 on cardan shaft 10, described electric rotating machine 12 is connected with gyroaxis 2 by axis of rotation, axis of rotation is provided with square opening, gyroaxis 2 end is processed as square pole, inserted by square pole in square opening also fixing when axis of rotation is connected with gyroaxis 2, electric rotating machine 12 is fixed on cardan shaft 10 by forward flange; Propulsion electric machine 8 is connected with automatic control system respectively with electric rotating machine 12;
The visual micro tunnel drivage system of the applicable models test of the present embodiment also comprises tooth bar 6 and gear 7; Described tooth bar 6, for having a series of flat board equidistantly distributing tooth, is arranged on cardan shaft 10; Described gear 7 is arranged on propulsion electric machine 8, by propulsion electric machine 8 driven rotary, and coordinates with tooth bar 6, by tooth bar 6, rotation is converted to onward impulse;
The product type of described dynamic analysis three-dimensional display system 9 is VW-6000 or 9000, be connected with high-speed camera head 4 by wire, be arranged on support 11, and installation site can need to regulate according to scene, to facilitate external observation, record country rock driving and the situation of destruction;
Described cutterhead 1 is yi word pattern cutterhead, before be provided with hobboing cutter;
The height adjustable of described support 11, comprises framework matrix 11-4, spacing pulley 11-1, rach slot 11-2, bottom elevation oil cylinder 11-3 and translation roller 11-5; The bottom of described framework matrix 11-4 is with translation roller 11-5, and bottom elevation oil 11-3 is fixed on framework matrix 11-4 by forward flange, and is connected with automatic control system, realizes lifting Automated condtrol; In the middle of the bottom of framework matrix 11-4, there are transversely arranged a series of steel ribs, dynamic analysis three-dimensional display system 9 can be laid, and center rest 11, framework matrix 11-4 top has spacing pulley 11-1 and rach slot 11-2, be used for preventing cardan shaft 10 from rotating in advance process, support is connected with automatic control system.
By reference to the accompanying drawings the specific embodiment of the present invention is described although above-mentioned; but not limiting the scope of the invention; one of ordinary skill in the art should be understood that; on the basis of technical scheme of the present invention, those skilled in the art do not need to pay various amendment or distortion that creative work can make still within protection scope of the present invention.
Claims (8)
1. a visual micro tunnel drivage system for applicable models test, is characterized in that, comprise cutterhead, light source, high-speed camera head, dynamic analysis three-dimensional display system, cardan shaft and support; Described cardan shaft is rack-mount, cardan shaft is disposed with cutterhead, high-speed camera head and dynamic analysis three-dimensional display system; Described light source is arranged on above high-speed camera head, for high-speed camera head provides sight line support in tunnelling process;
Described support is adjustable for height support, comprises framework matrix, spacing pulley, rach slot, bottom elevation oil cylinder and translation roller; The bottom of described framework matrix is with translation roller, and bottom elevation oil cylinder is fixed on framework matrix by forward flange, and is connected with automatic control system, realizes lifting Automated condtrol; Dynamic analysis three-dimensional display system can be laid in the bottom of framework matrix, and center rest, framework baseline top has spacing pulley and rach slot, is used for preventing cardan shaft from rotating in advance process;
Described dynamic analysis three-dimensional display system is connected with high-speed camera head by wire, rack-mount, and installation site needs to regulate according to scene, to facilitate external observation, and record country rock driving and the situation of destruction.
2. the visual micro tunnel drivage system of applicable models test as claimed in claim 1, it is characterized in that, described cardan shaft is hollow cylinder axle, and bottom and top are plane, and front end has flock silk sucking opening.
3. the visual micro tunnel drivage system of applicable models test as claimed in claim 2, it is characterized in that, also comprise camera fixed axis, camera fixed axis is thin and long circular axis, be arranged in the plane on cardan shaft top by vertical steel rib, follow cardan shaft and advance or retreat; Described high-speed camera head is arranged on camera fixed axis front, and is positioned at cutterhead rear, is caught the whole process of coal and gas prominent by the high-speed photography of thousands of frame per second, and then by put slowly analyze coal and gas prominent generation, development and outstanding process.
4. the visual micro tunnel drivage system of applicable models test as claimed in claim 1, it is characterized in that, also comprise gyroaxis, gyroaxis is solid shafting, is arranged on cardan shaft inside, and movable knife disc can be with to rotate.
5. the visual micro tunnel drivage system of applicable models test as claimed in claim 4, it is characterized in that, also comprise bearing, described bearing is positioned in the middle of gyroaxis and cardan shaft, and concentric, bearing plays the effect supporting and reduce friction to gyroaxis.
6. the visual micro tunnel drivage system of applicable models test as claimed in claim 4, it is characterized in that, also comprise propulsion electric machine and electric rotating machine, described propulsion electric machine is rack-mount, for driving system provides power; Electric rotating machine is fixed on the one end away from cutterhead on cardan shaft, and electric rotating machine is connected with gyroaxis by axis of rotation, and is fixed on cardan shaft, and propulsion electric machine is connected with automatic control system respectively with electric rotating machine.
7. the visual micro tunnel drivage system of applicable models test as claimed in claim 6, is characterized in that, also comprise rack and pinion; Described tooth bar is arranged on cardan shaft; Described gear is arranged on propulsion electric machine, by propulsion electric machine driven rotary, and coordinates with tooth bar, by tooth bar, rotation is converted to onward impulse.
8. the visual micro tunnel drivage system of applicable models test as claimed in claim 1, it is characterized in that, described cutterhead is yi word pattern cutterhead, before be provided with hobboing cutter.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103437771B (en) * | 2013-07-29 | 2015-06-03 | 同济大学 | Indoor model test device capable of simulating slurry balance shield construction and use method thereof |
| CN105114082B (en) * | 2015-07-31 | 2017-08-18 | 河南理工大学 | The experimental provision in multiple section shape tunnel can be excavated |
| CN106644541B (en) * | 2016-11-15 | 2020-05-08 | 重庆大学 | Excavation device for three-way loading three-dimensional analog simulation test excavation system |
| CN106595508A (en) * | 2016-12-27 | 2017-04-26 | 山东大学 | Measuring device and measuring method for surrounding rock deformation of geotechnical model test |
| CN109377849A (en) * | 2018-12-11 | 2019-02-22 | 山东大学 | A kind of true three-dimensional physical model pilot system of the prominent discharge disaster in simulation deep cavern |
| CN110656949B (en) * | 2019-08-26 | 2020-08-25 | 山东大学 | Profiling tunneling system and method for model test tunnel excavation of any shape |
| CN117072186B (en) * | 2023-10-18 | 2024-01-02 | 东北大学 | Arch tunnel excavation device for three-dimensional geological model test |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| GB8407707D0 (en) * | 1984-03-24 | 1984-05-02 | Edgealpha Ltd | Cutters |
| JP3267511B2 (en) * | 1996-06-21 | 2002-03-18 | 株式会社奥村組 | TBM cutter monitoring method and monitoring device |
| CN1166839C (en) * | 2002-09-06 | 2004-09-15 | 清华大学 | Method and special apparatus for excavation of concealed grotto in solid model test |
| CN201307365Y (en) * | 2008-10-20 | 2009-09-09 | 中国矿业大学(北京) | Simulating shield machine for tunnel boring test |
| CN202176334U (en) * | 2011-08-09 | 2012-03-28 | 山东大学 | Model test underground engineering tunneling drive device |
| CN202970726U (en) * | 2012-12-21 | 2013-06-05 | 山东大学 | Visual micro tunnel tunneling system applicable to model test |
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