CN102410024B - 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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- CN102410024B CN102410024B CN201110226522.XA CN201110226522A CN102410024B CN 102410024 B CN102410024 B CN 102410024B CN 201110226522 A CN201110226522 A CN 201110226522A CN 102410024 B CN102410024 B CN 102410024B
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- excavation
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- underground engineering
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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 engineering excavation driving device in model test and control method, belong to test model field.
Background technology
Geomechanical model test is the reproduction of actual physical entity, can reflect truly the spatial relationship of geological structure and engineering structures, can accurately simulate the mechanical deformation characteristic of ground work progress and assurance rock soil medium.Chinese scholar has been carried out a large amount of model testings in order to Study of The Underground engineering, and wherein excavation driving adopts mode manually conventionally, and this just inevitably exists the situation of out break.
Summary of the invention
The object of the invention is for overcoming above-mentioned the deficiencies in the prior art, provide a kind of simple in structure, be easy to control, can be used for underground engineering excavation driving device in model test and control method thereof, provide condition for realizing digging control.
For achieving the above object, the present invention adopts following technical proposals:
Underground engineering excavation driving device in model test, it comprises vertical platform, vertical platform and levelling bench agree with mutually by wedge shape sliding tray; Described vertical platform drives by stepper motor I, and levelling bench drives by stepper motor II; Described levelling bench is also connected with test platform by wedge shape sliding tray.
Described test platform is provided with horizontal levelling bubble, light emitting positioner and digital camera.
Described digital camera is connected on the computer that image processing is installed.
Described stepper motor I and stepper motor II are by Single-chip Controlling.
Underground engineering in model test digging control method, comprises the following steps:
before model testing excavation driving, the some points on Selection Model frame are fixed point;
digital camera gathers image, is computer picture by image processes and displays, and the fixed point image in computer automatic Picking picture coordinates predetermined excavation excavated section outline drawing as original image;
excavation driving often carries out a cyclic advance, and digital camera gathers excavated section contour images and shows with picture form on computers;
computer compares the image of collection and original image automatically, shows in real time the error amount between actual excavation excavated section profile and predetermined excavation excavated section profile;
computer feeds back to error amount the single-chip microcomputer of control step motor I and stepper motor II, and in next excavation driving circulation, single-chip microcomputer is finely tuned according to error amount, and control step motor I and stepper motor II are carried out step motion;
loop step
~
, until excavation tunneling process finishes.
Principle: input instruction by single-chip microcomputer, control step motor I drives vertical platform at vertical step motion, control step motor II drives levelling bench step motion in the horizontal direction simultaneously.Vertical platform and levelling bench agree with mutually by wedge shape sliding tray, under the driving of two stepper motors, the system of vertical platform and levelling bench composition can realize in the plane of vertical direction and horizontal direction composition and do step motion, can make system complete step motion by underground engineering in model test excavated section outline line according to the requirement of the instruction of single-chip microcomputer input.Process by digital camera collection excavation driving image, image processing software the image gathering and also show actual excavation excavated section profile and the predetermined error amount excavating between excavated section profile, feed back to single-chip microcomputer fine setting, thus the accurate driving location of implement device.
The present invention has studied underground engineering excavation driving device in model test and control method, solve the driving problems of tunneling control system for underground engineering in model test, the present invention has the following advantages: 1. two stepper motors that operate by single-chip microcomputer, can accurately control the position of vertical platform and levelling bench, vertical platform and levelling bench agree with mutually by wedge shape sliding tray, the system of both compositions can realize in the plane of vertical direction and horizontal direction composition and do step motion, can make system realize step motion along underground engineering in model test excavated section outline line according to the requirement of the instruction of single-chip microcomputer input, thereby the accurate location of implement device, 2. by connecting light emitting positioner, launch and receive the visible ray being reflected back, the built-in digital signal processor of light emitting positioner can calculate the distance apart from development end, thus the digging control of underground construction in implementation model test, 3. by single-chip microcomputer input instruction, can complete step motion by underground engineering in model test excavated section outline line by control device, 4. process by digital camera collection excavation driving image, image processing software the image gathering and also show actual excavation excavated section profile and the predetermined error amount excavating between excavated section profile, feed back to single-chip microcomputer fine setting, thus the accurate driving location of implement device.
Brief description of the drawings
Fig. 1 is structural representation of the present invention;
Wherein 1. vertical platforms; 2. levelling bench; 3. test platform; 4. stepper motor I; 5. stepper motor II; 6. leveling air level; 7. smooth emitting positioner; 8. digital camera.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is further described.
In Fig. 1, tunneling control system for underground engineering in model test drive unit, comprise vertical platform 1, vertical platform 1 is provided with wedge shape sliding tray, have with vertical platform 1 on the sliding tray that matches of wedge shape sliding tray levelling bench 2, for driving the stepper motor I 4 of vertical platform 1 and driving the stepper motor II 5 of levelling bench 2; Stepper motor I 4 and stepper motor 5 all drive vertical platform and levelling bench motion by corresponding transmission mechanism, and described transmission mechanism is a leading screw with nut; Test platform 3 is connected with levelling bench 2 by wedge shape sliding tray, on test platform 3, light emitting devices can be installed; Be positioned at leveling air level 6, light emitting positioner 7 and digital camera 8 on test platform 3.Wherein stepper motor I 4 and stepper motor II 5 can be used Single-chip Controlling.
On vertical platform 1, horizontal levelling bubble 6 is installed, guarantees accurately leveling of device.
Light emitting positioner 7, comprises control and display circuit, laser transmitting system, photoelectric receiving system and after-treatment system.Laser transmitting system comprises again generating laser and drive circuit, wherein generating laser is intended adopting semiconductor laser, has that volume is little, simple in structure, the feature of good stability, the red visible laser of the 650nm launching, not only can clearly aim at, also help protection eyes; Photoelectric receiving system comprises again gate circuit and photovoltaic converter, and photovoltaic converter is intended adopting avalanche photodide APD, has small-signal sensitivity and the distortionless feature 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 and initialized, the data that gather are carried out digital phase detection and data carried out to the effect of integrated treatment, therefore this patent intends adopting common on the market TMS320VC5402 chip.
Digital camera 8 is connected on the computer that image processing software is installed.
Claims (2)
1. a control method that adopts underground engineering excavation driving device in model test, is characterized in that, this drive unit comprises vertical platform, and vertical platform and levelling bench agree with mutually by wedge shape sliding tray; Described vertical platform drives by stepper motor I, and levelling bench drives by stepper motor II; Described levelling bench is also connected with test platform by wedge shape sliding tray;
This control method comprises the following steps:
Step 1: before model testing excavation driving, the some points on Selection Model frame are fixed point;
Step 2: digital camera gathers image, by image processes and displays on computers, the fixed point image in computer automatic Picking picture, coordinates predetermined excavation excavated section outline drawing as original image;
Step 3: excavation driving often carries out a cyclic advance, digital camera gathers excavated section contour images and shows with picture form on computers;
Step 4: computer compares the image of collection and original image automatically, shows the error amount between actual excavation excavated section profile and predetermined excavation excavated section profile in real time;
Step 5: computer feeds back to error amount the single-chip microcomputer of control step motor I and stepper motor II, in next excavation driving circulation, single-chip microcomputer is finely tuned according to error amount, and control step motor I and stepper motor II are carried out step motion;
Step 6: loop step 2-5, until excavation tunneling process finishes.
2. a kind of control method that adopts underground engineering excavation driving device in model test as claimed in claim 1, it is characterized in that, described digital camera is arranged on test platform, and is connected with computer, is also provided with horizontal levelling bubble and light emitting positioner on described test platform.
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 CN102410024A (en) | 2012-04-11 |
| CN102410024B true CN102410024B (en) | 2014-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| 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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Cited By (1)
| 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 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115075828B (en) * | 2022-07-14 | 2022-12-02 | 三一重型装备有限公司 | Real-time positioning method and system for roadway operation machine and operation machine |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19504969A1 (en) * | 1995-02-15 | 1996-08-22 | Bodenseewerk Geraetetech | Method for controlling a tunnel boring machine |
| CN101281026B (en) * | 2008-05-16 | 2010-06-09 | 赵宗政 | Platform capable of accurately detecting position and using method thereof |
| CN101303815B (en) * | 2008-07-01 | 2010-04-07 | 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 |
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2011
- 2011-08-09 CN CN201110226522.XA patent/CN102410024B/en not_active Expired - Fee Related
Cited By (1)
| 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 |
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| CN102410024A (en) | 2012-04-11 |
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Granted publication date: 20140924 Termination date: 20210809 |