CN102410024A - Underground engineering excavation driving device in model test and control method - Google Patents
Underground engineering excavation driving device in model test and control method Download PDFInfo
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- CN102410024A CN102410024A CN201110226522XA CN201110226522A CN102410024A CN 102410024 A CN102410024 A CN 102410024A CN 201110226522X A CN201110226522X A CN 201110226522XA CN 201110226522 A CN201110226522 A CN 201110226522A CN 102410024 A CN102410024 A CN 102410024A
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- excavation
- stepper motor
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- image
- driving
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- Length Measuring Devices By Optical Means (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The invention discloses an underground engineering excavation driving device in a model test and a control method; the underground engineering excavation driving device in the model test comprises a vertical platform, and the vertical platform and a horizontal platform are mutually fitted through a wedge-shaped sliding slot; the vertical platform is driven by a stepper motor I; the horizontal platform is driven by a stepper motor II; and the horizontal platform is also connected with a test platform through the wedge-shaped sliding slot. The invention has the advantages that: (1) the two stepper motors which are operated by a single-chip microcomputer can precisely control the position of a system; (2) the excavation control of underground engineering in the model test is realized by being connected with a light emission positioning device; (3) the system is controlled to complete stepper movement according to a regulated track by imputting an instruction into the single-chip microcomputer; and (4) an excavation image is acquired through a digital camera, image processing software processes the acquired image, the error value between an actual excavation cross section outline and a preset excavation cross section outline is displayed and fed back to the single-chip microcomputer for fine adjustment, so that the precision excavation positioning of the device is realized.
Description
Technical field
The present invention relates to underground construction driving drive unit and control method in the model testing, belong 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.
Summary of the invention
The objective of the invention is provides a kind of simple in structure for overcoming the deficiency of above-mentioned prior art, is easy to control, can be used for underground construction driving drive unit and control method thereof in the model testing, for realizing driving control condition is provided.
For realizing above-mentioned purpose, the present invention 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;
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 present invention has 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 present invention has the following advantages: 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 a structural representation of the present invention;
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 present invention 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 (5)
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.
5. control method that adopts the driving of underground construction in the described model testing of claim 1 drive unit is characterized in that this method may further comprise the steps:
Step 1: before the model testing excavation driving, some points of choosing on the model support are fixed point;
Step 2: digital camera is gathered image, and through the image processes and displays on computers, computer picks up the fixed point image in the picture automatically, cooperates predetermined excavation excavated section outline drawing as original image;
Step 3: the excavation driving whenever carries out a cyclic advance, and digital camera is gathered the excavated section contour images and shown with the picture form on computers;
Step 4: computer contrasts image and the original image gathered automatically, shows the error amount between actual excavation excavated section profile and the predetermined excavation excavated section profile in real time;
Step 5: computer feeds back to the single-chip microcomputer of control step motor I and stepper motor II with error amount, and 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 6: step 2-5 is carried out in circulation, finishes until the excavation tunneling process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110226522.XA CN102410024B (en) | 2011-08-09 | 2011-08-09 | Underground engineering excavation driving device in model test and control method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110226522.XA CN102410024B (en) | 2011-08-09 | 2011-08-09 | Underground engineering excavation driving device in model test and control method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102410024A true CN102410024A (en) | 2012-04-11 |
| CN102410024B CN102410024B (en) | 2014-09-24 |
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ID=45912325
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110226522.XA Expired - Fee Related CN102410024B (en) | 2011-08-09 | 2011-08-09 | Underground engineering excavation driving device in model test and control method |
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| Country | Link |
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| CN (1) | CN102410024B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278118A (en) * | 2018-01-25 | 2018-07-13 | 山东大学 | Geomechanical model test labyrinth cavity group excavates positioning device and method |
| CN115075828A (en) * | 2022-07-14 | 2022-09-20 | 三一重型装备有限公司 | Real-time positioning method and system for roadway operation machine and operation machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0727561B1 (en) * | 1995-02-15 | 1999-06-09 | Bodenseewerk Gerätetechnik GmbH | Method for controlling a tunnel boring machine |
| CN101281026A (en) * | 2008-05-16 | 2008-10-08 | 赵宗政 | Platform capable of accurately detecting position and using method thereof |
| CN101303815A (en) * | 2008-07-01 | 2008-11-12 | 西南交通大学 | Digging guiding device of model shielding machine |
| CN202176334U (en) * | 2011-08-09 | 2012-03-28 | 山东大学 | Model test underground engineering tunneling drive device |
-
2011
- 2011-08-09 CN CN201110226522.XA patent/CN102410024B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0727561B1 (en) * | 1995-02-15 | 1999-06-09 | Bodenseewerk Gerätetechnik GmbH | Method for controlling a tunnel boring machine |
| CN101281026A (en) * | 2008-05-16 | 2008-10-08 | 赵宗政 | Platform capable of accurately detecting position and using method thereof |
| CN101303815A (en) * | 2008-07-01 | 2008-11-12 | 西南交通大学 | Digging guiding device of model shielding machine |
| CN202176334U (en) * | 2011-08-09 | 2012-03-28 | 山东大学 | Model test underground engineering tunneling drive device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278118A (en) * | 2018-01-25 | 2018-07-13 | 山东大学 | Geomechanical model test labyrinth cavity group excavates positioning device and method |
| CN115075828A (en) * | 2022-07-14 | 2022-09-20 | 三一重型装备有限公司 | Real-time positioning method and system for roadway operation machine and operation machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102410024B (en) | 2014-09-24 |
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Granted publication date: 20140924 Termination date: 20210809 |
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