CN108548495A - A kind of monitoring device for foundation pit and tunnel deformation - Google Patents
A kind of monitoring device for foundation pit and tunnel deformation Download PDFInfo
- Publication number
- CN108548495A CN108548495A CN201810287221.XA CN201810287221A CN108548495A CN 108548495 A CN108548495 A CN 108548495A CN 201810287221 A CN201810287221 A CN 201810287221A CN 108548495 A CN108548495 A CN 108548495A
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- China
- Prior art keywords
- monitoring device
- foundation pit
- diffusing reflection
- laser scanner
- reflection formula
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Testing Or Calibration Of Command Recording Devices (AREA)
Abstract
The invention discloses a kind of monitoring devices for foundation pit and tunnel deformation, including the mounting base that can be fixed in foundation pit or tunnel-side, mounting base is equipped with electric rotating machine, the top of electric rotating machine is equipped with gesture monitoring device, the lower section of electric rotating machine is equipped with PLC controller, PLC controller is connected with wireless data transmission device, the output shaft of electric rotating machine is connected with rotor plate, rotor plate is connected with diffusing reflection formula laser scanner, diffusing reflection formula laser scanner is equipped with inclination sensor, rotor plate is equipped with acoustic-optic alarm, state gesture monitoring device, diffusing reflection formula laser scanner, inclination sensor, acoustic-optic alarm is respectively electrically connected with PLC controller.Monitoring device provided by the invention, automatically the subtle flow of tunnel or foundation pit can be monitored, monitoring accuracy is high, while can also avoid the monitoring result error caused by monitoring device displacement itself, with extremely strong practical value, should be widely promoted application.
Description
Technical field
The present invention relates to a kind of monitoring devices, have and are related to a kind of monitoring device for foundation pit and tunnel deformation.
Background technology
With the quickening of urbanization process, ground space is more and more crowded, and Development of Urban underground traffic has been general trend of events institute
Become.But during tunnel or excavation, with the redistribution of surrouding rock stress, country rock meeting after excavating off-load
It is deformed inside to tunnel or foundation pit, when deforming more than certain limit, the safety of entail dangers to tunnel or foundation pit and normal
It uses, to cause a series of geo environment engineering problem.Therefore, at present during tunnel or excavation, lead to
The deformation inside tunnel or foundation pit can be often monitored using certain monitoring method.
The technical method and means that tunnel or foundation pit convergent deformation are applied in monitoring at present are broadly divided into convergence ruler method, multiple spot
Displacement meter type extensometer, radar scanning, Ba Saite collective systems, reflectorless total station method etc., mainly to vault sinking and enclosing
Rock convergence is monitored measurements, although certain monitoring purpose can be realized, exist monitoring efficiency lowly, the degree of automation
The shortcomings of not high or installation is inconvenient, the monitoring result that can not especially handle caused by the position deformation of monitoring device itself are inclined
The problem of difference.
Invention content
In view of the above-mentioned problems existing in the prior art, the object of the present invention is to provide a kind of for foundation pit and tunnel deformation
Monitoring device.
To achieve the above object, the present invention adopts the following technical scheme that：
A kind of monitoring device for foundation pit and tunnel deformation, including the installation that can be fixed in foundation pit or tunnel-side
Seat, the mounting base are equipped with electric rotating machine, and the top of the electric rotating machine is equipped with gesture monitoring device, the electric rotating machine
Lower section is equipped with PLC controller, and the PLC controller is connected with wireless data transmission device, and the output shaft of the electric rotating machine connects
It is connected to rotor plate, the rotor plate is connected with diffusing reflection formula laser scanner, and the diffusing reflection formula laser scanner, which is equipped with, to incline
Oblique sensor, the rotor plate are equipped with acoustic-optic alarm, and the gesture monitoring device, inclines at diffusing reflection formula laser scanner
Oblique sensor, acoustic-optic alarm are respectively electrically connected with PLC controller.
Preferably, including laser cleaning device, the laser cleaning device are installed on rotor plate, and are located at diffusing reflection
The lower section of formula laser scanner.
As further preferred scheme, the laser cleaning device includes cleaning motor and cleaning head, cleans the transmission of motor
Axis is connected with cleaning head.
As further preferred scheme, the laser cleaning device is electrically connected with PLC controller.
Preferably, the output shaft of electric rotating machine and rotor plate vertical connection, and the output shaft of electric rotating machine is opposite
In the axle center eccentric setting of rotor plate.
Preferably, the rotor plate is connected with driving device, and the driving device passes through linking arm and diffusing reflection
Formula laser scanner is connected, and the driving device is electrically connected with PLC controller.
As further preferred scheme, the driving device is oscillating motor.
Preferably, the gesture monitoring device includes mobile detection unit, direction unit and one-dimensional convergence detection
Unit；The mobile detection unit uses MEMS sensor；The one-dimensional convergence detection unit passes through current location and test point
Between relative displacement detect whether the mounting base occurs absolute deformation phenomenon.
As further preferred scheme, the one-dimensional convergence unit is linear movement pick-up.
As further preferred scheme, the direction unit use PSD sensors, by with laser point when horizontal position
Relative distance value determines whether current diffusing reflection formula laser scanner occurs Orientation differences.
Compared to the prior art, the beneficial technical effect of the present invention lies in：
Monitoring device provided by the invention, it is simple in structure, it is easy to use, it can be automatically to the subtle flow in tunnel or foundation pit
It is monitored, monitoring accuracy is high, while can also avoid the monitoring result error caused by monitoring device displacement itself, has
There is extremely strong practical value, should be widely promoted application.
Description of the drawings
Fig. 1 is the structural schematic diagram of monitoring device provided by the invention；
Figure label is schematically as follows：The side wall of 1- foundation pits or tunnel；2- mounting bases；3- electric rotating machines；31- electric rotating machines
Output end；4- gesture monitoring devices；5-PLC controllers；6- wireless data transmission devices；7- rotor plates；8- diffusing reflection formula laser
Scanner；9- inclination sensors；10- acoustic-optic alarms；11- laser cleaning devices；111- cleans motor；1111- cleans motor
Transmission shaft；112- cleaning heads；12- driving devices；13- linking arms；14- swell fixtures.
Specific implementation mode
Technical scheme of the present invention is done below with reference to drawings and examples and is further clearly and completely described.
Embodiment
As shown in Figure 1：A kind of monitoring device for foundation pit and tunnel deformation provided by the invention, including base can be fixed on
Mounting base 2 on hole or tunnel-side 1, the mounting base 2 are equipped with electric rotating machine 3, and the top of the electric rotating machine 3 is equipped with appearance
The lower section of state monitoring device 4, electric rotating machine 3 is equipped with PLC controller 5, and the PLC controller 5 is connected with wireless data transmission dress
6 are set, the output shaft 31 of the electric rotating machine 3 is connected with rotor plate 7, and the rotor plate 7 is connected with diffusing reflection formula laser scanner
8, the diffusing reflection formula laser scanner 8 is equipped with inclination sensor 9, and the rotor plate 7 is equipped with acoustic-optic alarm 10, institute
Gesture monitoring device 4, diffusing reflection formula laser scanner 8, inclination sensor 9, acoustic-optic alarm 10 is stated respectively to control with PLC
Device 5 is electrically connected.The diffusing reflection formula laser scanner 8 being equipped with, the scanning element in scanning process can be unlimited fine and closely woven, so as to
The subtle flow of tunnel or foundation pit is monitored, monitoring accuracy is high, and it is not necessary that reflecting prism is arranged in target point, save at
This；And the inclination sensor 9 that diffusing reflection formula laser scanner 8 is equipped with can detect diffusing reflection formula laser scanner 8 and turn at any time
Location information during dynamic, while detection data is passed into PLC controller 5, PLC controller 5 is according to detection data and in advance
The comparison of fixed number evidence, you can confirm whether diffusing reflection formula laser scanner 8 deviates, and then to current diffusing reflection formula laser scanner
8 location status is adjusted, or is sensed tilting, the detection of 9 detection data and the acquisition of diffusing reflection formula laser scanner 8
Data are combined, to judge the deflection of current tunnel or foundation pit；The gesture monitoring device 4 being equipped with can be to tunnel and foundation pit
The roll deformation of the installation point of deformation monitoring device is monitored, when analyzing the monitoring data of scanner, you can be combined
Analysis, to obtain more accurate tunnel and foundation pit deformation data, and then avoids caused by monitoring device displacement itself
Monitoring result error；When monitoring device breaks down, the acoustic-optic alarm 10 that is equipped with can with and alarm, facilitate work people
Member's rapid-maintenance；Diffusing reflection formula laser scanner 8 is connected with rotor plate 7 so that diffusing reflection formula laser scanner 8 can be at any time
Its pitch angle makes it not influenced by environment deformation, remains at scheduled scan position, scan data is more accurate；Together
When due to gesture monitoring device 4, diffusing reflection formula laser scanner 8, inclination sensor 9, acoustic-optic alarm 10 with PLC control
Device 5 is electrically connected so that the monitoring for realizing foundation pit and tunnel deformation can be automated, and PLC controller 5 is connected with wireless data biography
Defeated device 6 can transfer data to control system, monitoring personnel is facilitated to check in time in time.
Preferably：
The monitoring device further includes laser cleaning device 11, and the laser cleaning device 11 is installed on rotor plate 7, and is located at
Diffusing reflection formula is swashed while not influencing the work of diffusing reflection formula laser scanner 8 lower section of diffusing reflection formula laser scanner 8
The laser head of photoscanner 8 is cleaned, so that diffusing reflection formula laser scanner 8 is continuously maintained in optimum Working.It is described
Laser cleaning device 11 includes cleaning motor 111 and cleaning head 112, and the transmission shaft 1111 of cleaning motor 111 is connected with cleaning head 112
It connects, when diffusing reflection formula laser scanner 8 turns under the control of PLC controller 5 at the position of laser cleaning device 11, cleaning
Motor 111 drives cleaning head 112 to rotate, you can is cleaned to the laser head of diffusing reflection formula laser scanner 8.It is clear in the application
Clean head 112 can also be made by being made with material villous of other materials with cleaning function.
The output shaft 31 of electric rotating machine 3 and 7 vertical connection of rotor plate, and the output shaft 31 of electric rotating machine 3 is relative to rotation
The axle center eccentric setting of plate 7 so that the axis line location of the output shaft 31 of electric rotating machine 3 works as rotation in the side of 7 center line of rotor plate
After rotating motor 3 drives rotor plate 7 to rotate so that the position of diffusing reflection formula laser scanner 8 can also change, so that diffusing reflection
Formula laser scanner 8 can be used for detecting different positions.In order to ensure that the service life of rotor plate 7, the material of rotor plate 7 are adopted
With the higher material of intensity, such as steel material.
The rotor plate 7 is connected with driving device 12, and the driving device 12 passes through linking arm 13 and diffusing reflection formula laser
Scanner 8 is connected, and the driving device 12 is electrically connected with PLC controller 5.Driving device 12 and electric rotating machine 3 can be passed through
The location status of diffusing reflection formula laser scanner 8 is adjusted, ensures the accuracy of scan data.
The driving device 12 is oscillating motor.
The gesture monitoring device 4 includes mobile detection unit, direction unit and one-dimensional convergence detection unit；The movement
Detection unit uses MEMS sensor, and by angle value, to detect, whether fixed seat occurs pitching or roll acts；Described one
Dimension convergence detection unit detects whether the mounting base occurs absolutely by the relative displacement between current location and test point
Metaboly, mainly detection device installation place side wall are under the effect of surrounding rock confining pressure, the space displacement of generation；It is described one-dimensional
Convergence unit is linear movement pick-up；The direction unit use PSD sensors, by with when horizontal position laser point it is opposite
Distance value determines whether current diffusing reflection formula laser scanner occurs Orientation differences.
PLC controller 5 in the application selects the controller conventional on the market, the PLC controller 5 in the application to be
PLC microcontrollers, in use, 5 external power supply of PLC controller, such as accumulator.
Mounting base 2 is detachably secured on the side wall 1 in foundation pit or tunnel in the application, such as：Expanding screw can be passed through
Mounting base 2 is fixed on the side wall 1 in foundation pit or tunnel by nail 14.
When the use of the present invention for the monitoring device of foundation pit and tunnel deformation：
As shown in Figure 1, monitoring device is mounted as a whole on the side wall 1 in foundation pit or tunnel, power on, monitoring device is opened
Begin to run, in monitoring process：
Diffusing reflection formula laser scanner 8 measure tunnel or foundation pit other side face and diffusing reflection formula laser scanner 8 it
Between initial distance value and send PLC controller 5 to, then diffusing reflection formula laser scanner 8 monitors always itself and tunnel or base
The distance value of another side is cheated, and also passes information to PLC controller 5, tunnel is calculated by analysis in PLC controller 5
The distance between another side and diffusing reflection formula laser scanner 8 are worth, and the distance value is compared with initial distance value, obtain
Whether the side wall for going out tunnel or foundation pit there is metaboly；During diffusing reflection formula laser scanner 8 monitors, PLC controller 5 controls
Electric rotating machine 3 rotates, and then drives the variation of 8 position of diffusing reflection formula laser scanner, so that diffusing reflection formula laser scanning
Instrument 8 can be measured the different location in tunnel or foundation pit that (it is existing that any one may be used in diffusing reflection formula laser scanner 8
The laser range finder that the purpose can be realized in technology, such as Wk-ds0120 lasers)；Diffusing reflection formula laser scanner 8 is worked
Cheng Zhong, the inclination sensor 9 on diffusing reflection formula laser scanner 8 can detect diffusing reflection formula laser scanner and rotate at any time
Location information in the process, while detection data is passed into PLC controller 5, PLC controller 5 is according to detection data and makes a reservation for
The comparison of data, you can confirm whether diffusing reflection formula laser scanner deviates, and then by electric rotating machine 3 to diffusing reflection formula laser
The location status for scanning 8 instrument is adjusted, while PLC controller 5 can also be by the detection data of inclination sensor 9 and diffusing reflection
The detection data that formula laser scanner 8 obtains is combined, to judge deflection (the specific judgement side of current tunnel or foundation pit
Formula can also be the measurement data that inclination sensor 9 and diffusing reflection formula laser scanner 8 are collected by PLC controller 5, and in the two
Between establish correspondence according to time point, so that it is determined that tunnel or foundation pit are passed at any time and the deflection that generates)；
While diffusing reflection formula laser scanner 8 works, gesture monitoring device 4 can be to tunnel deformation monitoring device
The roll deformation of installation point is monitored, in diffusing reflection formula 8 monitoring data of laser scanner, you can it is combined analysis, from
And obtain more accurate tunnel or foundation pit deformation data, while by gesture monitoring device 4 completely can to avoid in the prior art,
Monitoring result error caused by monitoring device displacement itself；
In monitoring process, if equipment breaks down, acoustic-optic alarm 10 alarms, staff in time to equipment into
Row repair；
In entire monitoring process, either gesture monitoring device 4, diffusing reflection formula laser scanner 8 or inclination sensor
9, acoustic-optic alarm 10, by 5 real-time control of PLC controller, PLC controller 5 is filled by the wireless data transmission of connection
6 are set, transfers data to control system in time, monitoring personnel is facilitated to check in time.
In conclusion monitoring device provided by the invention, can automatically be monitored the subtle flow of tunnel or foundation pit,
Monitoring accuracy is high, while can also avoid the monitoring result error caused by monitoring device displacement itself, reduces construction
Risk, compared with the existing technology, have conspicuousness progress, have application value.
It is last it is necessarily pointed out that：The foregoing is merely the preferable specific implementation mode of the present invention, but the present invention
Protection domain be not limited thereto, any one skilled in the art in the technical scope disclosed by the present invention,
The change or replacement that can be readily occurred in, should be covered by the protection scope of the present invention.
Claims (9)
1. a kind of monitoring device for foundation pit and tunnel deformation, it is characterised in that：Including foundation pit or tunnel-side can be fixed on
On mounting base, the mounting base is equipped with electric rotating machine, and the top of the electric rotating machine is equipped with gesture monitoring device, the rotation
The lower section of rotating motor is equipped with PLC controller, and the PLC controller is connected with wireless data transmission device, the electric rotating machine
Output shaft is connected with rotor plate, and the rotor plate is connected with diffusing reflection formula laser scanner, the diffusing reflection formula laser scanner
It is equipped with inclination sensor, the rotor plate is equipped with acoustic-optic alarm, and the gesture monitoring device, diffusing reflection formula laser are swept
Instrument, inclination sensor, acoustic-optic alarm is retouched respectively to be electrically connected with PLC controller.
2. the monitoring device according to claim 1 for foundation pit and tunnel deformation, it is characterised in that：Including laser cleaning
Device, the laser cleaning device are installed on rotor plate, and positioned at the lower section of diffusing reflection formula laser scanner.
3. the monitoring device according to claim 2 for foundation pit and tunnel deformation, it is characterised in that：The laser cleaning
Device includes that cleaning motor and cleaning head, the transmission shaft for cleaning motor are connected with cleaning head.
4. the monitoring device according to claim 1 for foundation pit and tunnel deformation, it is characterised in that：Electric rotating machine it is defeated
Shaft and rotor plate vertical connection, and axle center eccentric setting of the output shaft of electric rotating machine relative to rotor plate.
5. the monitoring device according to claim 1 for foundation pit and tunnel deformation, it is characterised in that：The rotor plate connects
Be connected to driving device, the driving device is connected by linking arm with diffusing reflection formula laser scanner, the driving device with
PLC controller is electrically connected.
6. the monitoring device according to claim 5 for foundation pit and tunnel deformation, it is characterised in that：The driving device
For oscillating motor.
7. the monitoring device according to claim 1 for foundation pit and tunnel deformation, it is characterised in that：The attitude monitoring
Device includes mobile detection unit, direction unit and one-dimensional convergence detection unit；The mobile detection unit is sensed using MEMS
Device；Whether the one-dimensional convergence detection unit detects the mounting base by the relative displacement between current location and test point
Absolute deformation phenomenon occurs.
8. the monitoring device according to claim 7 for foundation pit and tunnel deformation, it is characterised in that：The one-dimensional convergence
Unit is linear movement pick-up.
9. the monitoring device according to claim 7 for foundation pit and tunnel deformation, it is characterised in that：The direction unit
Using PSD sensors, by determining that current diffusing reflection formula laser scanner is with the relative distance value of laser point when horizontal position
No generation Orientation differences.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810287221.XA CN108548495A (en) | 2018-03-30 | 2018-03-30 | A kind of monitoring device for foundation pit and tunnel deformation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810287221.XA CN108548495A (en) | 2018-03-30 | 2018-03-30 | A kind of monitoring device for foundation pit and tunnel deformation |
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| Publication Number | Publication Date |
|---|---|
| CN108548495A true CN108548495A (en) | 2018-09-18 |
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ID=63513863
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810287221.XA Pending CN108548495A (en) | 2018-03-30 | 2018-03-30 | A kind of monitoring device for foundation pit and tunnel deformation |
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| Country | Link |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605981A (en) * | 2021-07-30 | 2021-11-05 | 中煤科工集团重庆研究院有限公司 | Tunnel convergence deformation on-line monitoring system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162636A (en) * | 2011-12-08 | 2013-06-19 | 西安金和光学科技有限公司 | Tunnel deformation monitoring device |
| CN203375944U (en) * | 2013-07-04 | 2014-01-01 | 浙江海洋学院 | Mounting support in subsea tunnel deformation monitoring device |
| CN105953740A (en) * | 2016-07-04 | 2016-09-21 | 河北稳控科技有限公司 | Tunnel deformation monitoring device |
-
2018
- 2018-03-30 CN CN201810287221.XA patent/CN108548495A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103162636A (en) * | 2011-12-08 | 2013-06-19 | 西安金和光学科技有限公司 | Tunnel deformation monitoring device |
| CN203375944U (en) * | 2013-07-04 | 2014-01-01 | 浙江海洋学院 | Mounting support in subsea tunnel deformation monitoring device |
| CN105953740A (en) * | 2016-07-04 | 2016-09-21 | 河北稳控科技有限公司 | Tunnel deformation monitoring device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113605981A (en) * | 2021-07-30 | 2021-11-05 | 中煤科工集团重庆研究院有限公司 | Tunnel convergence deformation on-line monitoring system and method |
| CN113605981B (en) * | 2021-07-30 | 2023-12-29 | 中煤科工集团重庆研究院有限公司 | Tunnel convergence deformation on-line monitoring system and method |
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Application publication date: 20180918 |