CN202176334U - Model test underground engineering tunneling drive device - Google Patents
Model test underground engineering tunneling drive device Download PDFInfo
- Publication number
- CN202176334U CN202176334U CN2011202867802U CN201120286780U CN202176334U CN 202176334 U CN202176334 U CN 202176334U CN 2011202867802 U CN2011202867802 U CN 2011202867802U CN 201120286780 U CN201120286780 U CN 201120286780U CN 202176334 U CN202176334 U CN 202176334U
- Authority
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- China
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- platform
- tunneling
- model
- chip microcomputer
- stepper motor
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Abstract
The present utility model discloses a model test underground engineering tunneling drive device. The device comprises a vertical platform, the vertical platform and a horizontal platform are mutually fitted through a wedge-shaped sliding groove, the vertical platform is driven by a stepping motor I, the horizontal platform is driven by a stepping motor II, and the horizontal platform is connected with a test platform through the wedge-shaped sliding groove. The device has the following advantages, first, by adopting the two stepping motors operated by a one-chip microcomputer, the position of a system can be accurately controlled; second, through connecting with a light emitting and positioning device, the tunneling control of the model test underground engineering can be realized; third, through inputting instructions into the one-chip microcomputer, the system can be controlled to complete the stepping movement according to a prescribed track; and forth, a digital camera is adopted to collect excavating and tunneling images, an image processing software is adopted to process the collected images and display a error value between a real excavating and tunneling section contour and a predetermined excavating and tunneling section contour, then the error value is fed back to the one-chip microcomputer to be adjusted slightly, thus the accurate tunneling and positioning of the device can be realized.
Description
Technical field
The utility model relates to underground construction driving drive unit in the model testing, belongs to the test model field.
Background technology
Geomechanical model test is the reproduction of actual physical entity, can reflect the spatial relationship of geological structure and engineering structures truly, can accurately simulate rock construction process and the mechanical deformation characteristic of holding rock soil medium.Chinese scholar has been carried out a large amount of model testings in order to the research underground construction, and wherein the excavation driving adopts mode manually usually, and just inevitably there is the situation of out break in this.
The utility model content
The purpose of the utility model is for overcoming the deficiency of above-mentioned prior art, provide a kind of simple in structure, be easy to control, can be used for underground construction driving drive unit in the model testing, for realizing driving control condition being provided.
For realizing above-mentioned purpose, the utility model adopts following technical proposals:
Underground construction driving drive unit in the model testing, it comprises vertical platform, vertical platform and levelling bench agree with through the wedge shape sliding tray each other; Said vertical platform drives through the stepper motor I, and levelling bench drives through the stepper motor II; Said levelling bench also is connected with test platform through the wedge shape sliding tray.
Said test platform is provided with horizontal levelling bubble, light emission positioner and digital camera.
Said digital camera is connected on the computer that the image processing is installed.
Said stepper motor I and stepper motor II are by Single-chip Controlling.
Underground construction driving control method in the model testing may further comprise the steps:
Before
model testing excavation driving, some points of choosing on the model support are fixed point;
computer feeds back to error amount the single-chip microcomputer of control step motor I and stepper motor II; Single-chip microcomputer is finely tuned according to error amount in next excavation driving circulation, and control step motor I and stepper motor II are carried out step motion;
Step
~
carried out in
circulation, finishes until the excavation tunneling process.
Principle: through single-chip microcomputer input instruction, control step motor I drives vertical platform at vertical step motion, and control step motor II drives levelling bench step motion in the horizontal direction simultaneously.Vertical platform and levelling bench agree with through the wedge shape sliding tray each other; Under the driving of two stepper motors; The system that vertical platform and levelling bench are formed can be implemented in the plane that vertical direction and horizontal direction form and does step motion, and the requirement of the instruction that can import according to single-chip microcomputer makes system by underground construction excavated section outline line completion step motion in the model testing.Through the image of digital camera collection excavation driving image, image processing software processing collected and the error amount between demonstration actual excavation excavated section profile and the predetermined excavation excavated section profile; Feed back to the single-chip microcomputer fine setting, thus the accurate driving location of implement device.
The utility model has been studied underground construction driving drive unit and control method in the model testing; Solved the driving problems of underground construction driving control system in the model testing; The utlity model has following advantage: 1. two stepper motors operating through single-chip microcomputer; Can accurately control the position of vertical platform and levelling bench; Vertical platform and levelling bench agree with through the wedge shape sliding tray each other; The system that both form can be implemented in the plane that vertical direction and horizontal direction form and does step motion, can make system along underground construction excavated section outline line realization step motion in the model testing according to the requirement of the instruction of single-chip microcomputer input, thus the accurate location of implement device; 2. through connecting light emission positioner, launch and receive the visible light of reflected back, the built-in digital signal processor of light emission positioner can calculate the distance apart from development end, thus the driving control of underground construction in the implementation model test; 3. through in single-chip microcomputer input instruction, can accomplish step motion by underground construction excavated section outline line in the model testing by control device; 4. through the image of digital camera collection excavation driving image, image processing software processing collected and the error amount between demonstration actual excavation excavated section profile and the predetermined excavation excavated section profile; Feed back to the single-chip microcomputer fine setting, thus the accurate driving location of implement device.
Description of drawings
Fig. 1 is the utility model structural representation;
1. vertical platforms wherein; 2. levelling bench; 3. test platform; 4. stepper motor I; 5. stepper motor II; 6. leveling air level; 7. light is launched positioner; 8. digital camera.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is further specified.
Among Fig. 1; Underground construction driving control system driving device in the model testing; Comprise vertical platform 1, vertical platform 1 is provided with the wedge shape sliding tray, have with vertical platform 1 on the sliding tray that matches of wedge shape sliding tray levelling bench 2, be used to drive the stepper motor I 4 of vertical platform 1 and the stepper motor II 5 of driving levelling bench 2; Stepper motor I 4 all drives vertical platform through corresponding transmission mechanism with stepper motor 5 and moves with levelling bench, and said transmission mechanism is one to have the leading screw of nut; Test platform 3 links to each other with levelling bench 2 through the wedge shape sliding tray, on the test platform 3 light emitting devices can be installed; Be positioned at leveling air level 6, light emission positioner 7 and digital camera 8 on the test platform 3.Wherein stepper motor I 4 can be used Single-chip Controlling with stepper motor II 5.
On the vertical platform 1 horizontal levelling bubble 6 is installed, guarantees accurately leveling of device.
Light emission positioner 7 comprises control and display circuit, laser transmitting system, photoelectric receiving system and after-treatment system.Laser transmitting system comprises generating laser and drive circuit again; Wherein generating laser intend to adopt semiconductor laser, has that volume is little, simple in structure, the characteristics of good stability, the red visible laser of the 650nm that is launched; Not only can clearly aim at, also help the protection eyes; Photoelectric receiving system comprises gate circuit and photovoltaic converter again, and photovoltaic converter is intended and adopted avalanche photodide APD, has small-signal sensitivity and the distortionless characteristics of signal conversion process; After-treatment system comprises counter and digital signal processor; Digital signal processor is as the core component of system; Should have each programmable chip is controlled with initialization, the data of gathering are carried out digital phase demodulation and data are carried out the effect of integrated treatment, so this patent is intended and adopted common on the market TMS320VC5402 chip.
Digital camera 8 is connected on the computer that image processing software is installed.
Claims (4)
1. underground construction driving drive unit in the model testing is characterized in that it comprises vertical platform, and vertical platform and levelling bench agree with through the wedge shape sliding tray each other; Said vertical platform drives through the stepper motor I, and levelling bench drives through the stepper motor II; Said levelling bench also is connected with test platform through the wedge shape sliding tray.
2. underground construction driving drive unit is characterized in that in the model testing as claimed in claim 1, also is provided with horizontal levelling bubble, light emission positioner and digital camera on the said test platform.
3. underground construction driving drive unit is characterized in that said stepper motor I and stepper motor II are by Single-chip Controlling in the model testing as claimed in claim 1.
4. underground construction driving drive unit is characterized in that said digital camera connects on computers in the model testing as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202867802U CN202176334U (en) | 2011-08-09 | 2011-08-09 | Model test underground engineering tunneling drive device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202867802U CN202176334U (en) | 2011-08-09 | 2011-08-09 | Model test underground engineering tunneling drive device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202176334U true CN202176334U (en) | 2012-03-28 |
Family
ID=45866219
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202867802U Expired - Fee Related CN202176334U (en) | 2011-08-09 | 2011-08-09 | Model test underground engineering tunneling drive device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202176334U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410024A (en) * | 2011-08-09 | 2012-04-11 | 山东大学 | Underground engineering excavation driving device in model test and control method |
| CN103075160A (en) * | 2012-12-21 | 2013-05-01 | 山东大学 | Visual micro tunnel driving system suitable for model testing |
-
2011
- 2011-08-09 CN CN2011202867802U patent/CN202176334U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102410024A (en) * | 2011-08-09 | 2012-04-11 | 山东大学 | Underground engineering excavation driving device in model test and control method |
| CN103075160A (en) * | 2012-12-21 | 2013-05-01 | 山东大学 | Visual micro tunnel driving system suitable for model testing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120328 Termination date: 20140809 |
|
| EXPY | Termination of patent right or utility model |