CN205246008U - Tunnel cross section convergence warp monitoring devices - Google Patents
Tunnel cross section convergence warp monitoring devices Download PDFInfo
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- CN205246008U CN205246008U CN201521004532.9U CN201521004532U CN205246008U CN 205246008 U CN205246008 U CN 205246008U CN 201521004532 U CN201521004532 U CN 201521004532U CN 205246008 U CN205246008 U CN 205246008U
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- fixed mount
- laser ranging
- tunnel cross
- ranging module
- side plate
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Abstract
The utility model provides a tunnel cross section convergence warp monitoring devices, includes core plate in base, apron, mount curb plate, inclinometer, data interface, the mount, laser ranging module, communication control module, the base passes through the front portion of stiffener welding at the mount curb plate, the apron covers on the mount curb plate through the bolt, core plate was connected during laser ranging module passed through double -screw bolt and mount, and laser ranging module arranges according to certain angle, and communication control module passes through the double -screw bolt and fixes the inboard at the mount curb plate, core plate and laser ranging module set up in the mount curb plate in the mount. The utility model discloses simple structure, the installation convenient, with low costs, can adjust measurement station density and arrange according to the operating condition needs are nimble, the commonality be strong, according to the measured data, can automatic match section deformation curve to can judge warning / early warning automatically.
Description
Technical field
The utility model relates to a kind of tunnel cross section convergence deformation monitoring device, is applicable to the convergence to railway, vcehicular tunnel sectionLong term monitoring is carried out in distortion.
Background technology
In tunnel and the construction of underground engineering and operation stage, the convergent deformation of tunnel cross-section is an important Contents for Monitoring. ?Construction stage, the convergent deformation of section has reflected that tunnel structure and the country rock soil body are in stress and the stability of unloading under loading condition;And in the O&M stage, it has reflected the property evolution of tunnel structure, is the important evidence that judges structural safety and operation maintenance.
In prior art, the most frequently used tunnel cross section convergence measurement mechanism is contact. For example, patent documentation 200910182325.5Disclose a kind of precision rod type convergence gauge, patent documentation CN102494627B has been openly a kind of precision steel cable type digital display convergence gauge,But the cable wire of this type of convergence measurement device need to pass through the sectional space in tunnel, cannot be at railway or the highway of busy operation phaseIn tunnel, carry out long term monitoring. More rational long term monitoring technical scheme is the measuring method of laser type, and these class methods have essenceSpend high, lightweight, easy to operate, do not affect the current advantage in tunnel. For example, patent documentation CN102297661B disclosesA kind of laser convergence apparatus, has realized the convergence measurement contactless without target; Patent documentation CN103743355A is openA kind of Portable laser convergence meter device, can pass through plug Fast Installation locating laser convergence gauge. But, above-mentioned patentDocument is is mostly that the laser range finder of hand-held is combined with frame for movement, can only carry out the tunnel horizontal diameter of point-to-point or hang downThe deformation measurement of straight diameter, and need artificial scene intervene and operate, cannot realize the long-term section monitoring of automation.
Therefore, prior art has following weak point: 1) spot measurement cannot meet the demand of full bore tunnel convergent deformation; 2)Can greatly affect precision of laser ranging and data stabilization owing to installing the machine error that rotating mechanism or angle regulator bring additionalProperty, and mechanism is too complicated, and later stage Breakdown Maintenance has a big risk; 3) install and measurement point position relatively fixing, cannot freedom and flexibilityAdapt to Practical Project demand.
Utility model content
The purpose of this utility model is in order to solve the deficiencies in the prior art, and a kind of tunnel cross section convergence deformation monitoring device is provided.
The purpose of this utility model is achieved through the following technical solutions:
A kind of tunnel cross section convergence deformation monitoring device, comprise pedestal, cover plate, fixed mount side plate, inclinometer, data-interface,Fixed mount central plate, laser ranging module, communication control module.
Described pedestal is welded on the front portion of fixed mount side plate by stiffener, described cover plate covers on fixed mount side plate by bolt,Described laser ranging module is connected with fixed mount central plate by double-screw bolt, and laser ranging module is arranged by certain angle, Control on CommunicationModule is fixed on the inner side of fixed mount side plate by double-screw bolt; Described fixed mount central plate and laser ranging module are arranged on fixed mount sideIn plate.
Described inclination angle, in respect of three, is separately positioned on the surface of rear portion, side and the cover plate of fixed mount side plate, data-interface settingIn the side of fixed mount side plate.
Above-mentioned a kind of tunnel cross section convergence deformation monitoring device, wherein, described communication control module by holding wire respectively with swashLigh-ranging module is connected with data-interface.
Above-mentioned a kind of tunnel cross section convergence deformation monitoring device, wherein, is also provided with bolt hole on described pedestal.
Above-mentioned a kind of tunnel cross section convergence deformation monitoring device, wherein, described fixed mount side plate is provided with multiple holes, in holeMounted lens on hole.
Above-mentioned a kind of tunnel cross section convergence deformation monitoring device, wherein, described laser ranging module adopts phase laser distance measurementAny one in sensor, laser radar formula distance measuring sensor, laser triangulation formula distance measuring sensor.
Above-mentioned a kind of tunnel cross section convergence deformation monitoring device, wherein, described communication control module is by RS485 interface, USBThe communication mode input/output data of interface, Wi-Fi, Lan, GPRS, ZigBee or bluetooth.
Owing to having adopted technique scheme, the utility model has following advantage and outstanding effect:
1, high-precision and high-stability, simple in structure, install convenient, cost is low;
2, laser distance measuring principle is precise and stable, and assists without laser target;
3, adopt integrated full fixed structure design, manufacture, install, avoid artificial disturbance and equipment machine in installation and use procedureTool error;
4, use procedure is non-maintaining, all automatic measurement, transmission and control;
5, can need adjust flexibly site density and arrange, highly versatile according to actual condition;
6, according to measured data, can automatic Fitting cross section deformation curve, and can automatic decision warning/early warning.
Brief description of the drawings
Fig. 1 is the external structure schematic diagram of a kind of tunnel cross section convergence deformation monitoring device of the utility model;
Fig. 2 is the internal structure schematic diagram of a kind of tunnel cross section convergence deformation monitoring device of the utility model;
Fig. 3 is the internal structure plane of a kind of tunnel cross section convergence deformation monitoring device of the utility model;
Fig. 4 is the instrumentation plan after a kind of tunnel cross section convergence deformation monitoring device of the utility model installs.
Reference numeral:
1 pedestal; 2 bolts hole; 3 stiffeners; 4 cover plates; 5 fixed mount side plates; 6 inclinometers; 7 lens; 8 data-interfaces;9 fixed mount central plates; 10 laser ranging modules; 11 communication control modules; 12 double-screw bolts.
Detailed description of the invention
Below in conjunction with accompanying drawing, detailed description of the invention of the present utility model is described in detail.
Refer to Fig. 1, Fig. 2, Fig. 3, a kind of tunnel cross section convergence deformation monitoring device of the utility model, comprises pedestal 1, lidPlate 4, fixed mount side plate 5, inclinometer 6, data-interface 8, fixed mount central plate 9, laser ranging module 10, Control on CommunicationModule 11.
Pedestal 1 is welded on the front portion of fixed mount side plate 5 by stiffener 3, cover plate 4 covers fixed mount side plate 5 by boltUpper, laser ranging module 10 is connected with fixed mount central plate 9 by double-screw bolt 12, and laser ranging module 10 is arranged by certain angle,Communication control module 11 is fixed on the inner side of fixed mount side plate 5 by double-screw bolt 12. Fixed mount central plate 9 and laser ranging module10 are arranged in fixed mount side plate 5.
Inclinometer 6 has three, and one of them is arranged on the rear portion of fixed mount side plate 5, for measuring convergence instrument at tunnel cross sectionCorner in plane; Two other is separately positioned on the surface of fixed mount side plate 5 sides and cover plate 4, and these two inclinometers are used forMeasure the angle between convergence instrument plane and tunnel cross-section, thereby make convergence instrument plane parallel with tunnel cross-section.
Data-interface 8 is arranged on the side of fixed mount side plate 5.
Laser ranging module 10 adopts phase laser distance measurement sensor, laser radar formula distance measuring sensor, the range finding of laser triangulation formulaAny one in sensor. Laser ranging module 10 utilizes radio wave band frequency carry out amplitude modulation(PAM) and measure and adjust laser beamThe phase delay that light round trip processed produces, converts and obtains the distance of phase delay representative according to modulation light wavelength.
Communication control module 11 is connected with data-interface 8 with laser ranging module 10 respectively by holding wire. Communication control module11 can control the duty of each laser ranging module 10, gather the data that collect, can be by wired or wireless,As the communication modes such as RS485 interface, USB interface, Wi-Fi, Lan, GPRS, ZigBee, bluetooth carry out transfer of data friendshipMutually.
On pedestal 1, be also provided with bolt hole 2, expansion bolt inserts tunnel-liner through bolt hole, by laser type tunnel cross section convergence instrumentBe fixed on tunnel inner wall, pedestal 1 is provided with stiffener 3 with fixed mount side plate 5 junctions, thus increase convergence instrument integral rigidity andStability.
The anterior leaving certain gaps uncovered by the economic plan of fixed mount central plate 9, for holding communication control module 11. On fixed mount central plate 9 according to necessarilyRule be furnished with stud bolt hole, make the ray of laser ranging module 10 oppositely converge at same point, and between ray, have fixingAngle.
Fixed mount side plate 5 is provided with multiple holes, mounted lens 7 on hole, and the laser that laser ranging module 10 is launched passes throughLens penetrate and arrive tunnel-liner surface.
Before laser type tunnel cross section convergence instrument is installed, use inclinometer to measure the inclination angle of tunnel axis. At tunnel inner wall selectedAfter individual installation convergence instrument, can not affect the current position of traffic, and measure the inclination angle of this post-tunnel inwall. At the tunnel of select locationOn road inwall, punch, expansion bolt, through bolt hole 2, is imbedded in hole, make laser type section convergence instrument be fixed on tunnel inner wallOn. According to the reading of three inclinometers 6 and tunnel axis inclination angle, constantly expansion bolt is finely tuned, convergence instrument is inIn the plane at tunnel cross-section place.
Connect power supply and the data transmission interface 8 of laser type tunnel cross section convergence instrument, by remote user end and communication control module 11Obtain communication. The laser ranging module 10 of controlling in all angles by communication control module 11 is opened, and Emission Lasers bundle passes throughLens are beaten in tunnel wall and are returned, and record range data, and data are returned to communication control module 11.
As shown in Figure 4, laser type tunnel cross section convergence instrument is fixed on tunnel inner wall surface, measures by multi beam modulated laserThis installs to the distance of tunnel cross-section internal diameter multiple spot, and these distances can be for the matching of tunnel cross-section shape and reconstruct, therebyTo parameters such as tunnel cross-section transverse and longitudinal footpath and ellipticities. Under construction time load or operation phase action of long-term load, tunnel cross-section is sent outRaw convergent deformation, this variation will reflect in the measurement data of convergence instrument. Terminal Server Client is constantly controlled with certain frequencyLaser type section convergence instrument processed is measured, thereby can monitor to automation the TERM DEFORMATION situation of tunnel cross-section.
The utility model has been inherited high, the contactless advantage of laser range finder precision in range measurement, comprises multiple Laser MeasuringApart from module, can realize the synchro measure of multiple measuring points; The range data measuring, can be for the plan of tunnel cross-section shapeClose and reconstruct; By communication control module control, realize automatic measurement and the transfer of data of tunnel cross section convergence, avoidArtificial execute-in-place. The utility model also has the features such as volume is little, lightweight, quick for installation, automatic measurement, suitable especiallyFor the long term monitoring of construction time with operation phase tunnel cross-section.
Above-described embodiment is only for illustrating technological thought and the feature of this patent, and its object is to make the technology in this areaPersonnel can understand the content of this patent and implement according to this, can not only limit the scope of the claims of this patent with the present embodiment, allEqual variation or modification that the spirit disclosing according to this patent is done, still drop in the scope of the claims of this patent.
Claims (6)
1. a tunnel cross section convergence deformation monitoring device, is characterized in that, comprise pedestal (1), cover plate (4), fixed mount side plate (5),Inclinometer (6), data-interface (8), fixed mount central plate (9), laser ranging module (10), communication control module (11);
Described pedestal (1) is welded on the front portion of fixed mount side plate (5) by stiffener (3), described cover plate (4) passes through spiral shellIt is upper that bolt covers fixed mount side plate (5), and described laser ranging module (10) is by double-screw bolt (12) and fixed mount central plate (9)Connect, laser ranging module (10) is arranged by certain angle, and communication control module (11) is fixed on solid by double-screw bolt (12)Determine the inner side of frame side plate (5); Described fixed mount central plate (9) and laser ranging module (10) are arranged in fixed mount side plate (5);
Described inclinometer (6) has three, is separately positioned on the surface of rear portion, side and the cover plate (4) of fixed mount side plate (5),Data-interface (8) is arranged on the side of fixed mount side plate (5).
2. a kind of tunnel cross section convergence deformation monitoring device according to claim 1, is characterized in that described communication control module(11) be connected with data-interface (8) with laser ranging module (10) respectively by holding wire.
3. a kind of tunnel cross section convergence deformation monitoring device according to claim 1, is characterized in that, described pedestal (1) is also upperBe provided with bolt hole (2).
4. a kind of tunnel cross section convergence deformation monitoring device according to claim 1, is characterized in that, described fixed mount side plate (5)Be provided with multiple holes, mounted lens on hole (7).
5. a kind of tunnel cross section convergence deformation monitoring device according to claim 1, is characterized in that, described laser ranging module(10) adopt appointing in phase laser distance measurement sensor, laser radar formula distance measuring sensor, laser triangulation formula distance measuring sensorMeaning is a kind of.
6. a kind of tunnel cross section convergence deformation monitoring device according to claim 1, is characterized in that described communication control module(11) the communication mode input by RS485 interface, USB interface, Wi-Fi, Lan, GPRS, ZigBee or bluetooth/defeatedGo out data.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004532.9U CN205246008U (en) | 2015-12-04 | 2015-12-04 | Tunnel cross section convergence warp monitoring devices |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521004532.9U CN205246008U (en) | 2015-12-04 | 2015-12-04 | Tunnel cross section convergence warp monitoring devices |
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| Publication Number | Publication Date |
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| CN205246008U true CN205246008U (en) | 2016-05-18 |
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| CN201521004532.9U Active CN205246008U (en) | 2015-12-04 | 2015-12-04 | Tunnel cross section convergence warp monitoring devices |
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| CN (1) | CN205246008U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729669A (en) * | 2019-08-27 | 2020-01-24 | 东莞理工学院 | Cable axial cutting system and method based on phase type laser ranging |
| CN111207700A (en) * | 2020-03-03 | 2020-05-29 | 苏州热工研究院有限公司 | Method and device for measuring offset degree of flange gasket |
| CN111578858A (en) * | 2020-05-26 | 2020-08-25 | 山东大学 | Device and method for automatically monitoring crack deformation of large-scale retaining structure |
-
2015
- 2015-12-04 CN CN201521004532.9U patent/CN205246008U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110729669A (en) * | 2019-08-27 | 2020-01-24 | 东莞理工学院 | Cable axial cutting system and method based on phase type laser ranging |
| CN111207700A (en) * | 2020-03-03 | 2020-05-29 | 苏州热工研究院有限公司 | Method and device for measuring offset degree of flange gasket |
| CN111578858A (en) * | 2020-05-26 | 2020-08-25 | 山东大学 | Device and method for automatically monitoring crack deformation of large-scale retaining structure |
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