CN116045774B - Device and method for measuring dislocation of lining segment based on double-beam laser - Google Patents
Device and method for measuring dislocation of lining segment based on double-beam laserInfo
- Publication number
- CN116045774B CN116045774B CN202310011887.3A CN202310011887A CN116045774B CN 116045774 B CN116045774 B CN 116045774B CN 202310011887 A CN202310011887 A CN 202310011887A CN 116045774 B CN116045774 B CN 116045774B
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- China
- Prior art keywords
- laser
- measuring
- ruler body
- lining segment
- dislocation
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/14—Measuring arrangements characterised by the use of mechanical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- 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
-
- 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
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
-
- 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
- G01B11/14—Measuring arrangements characterised by the use of optical techniques for measuring distance or clearance between spaced objects or spaced apertures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0002—Arrangements for supporting, fixing or guiding the measuring instrument or the object to be measured
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/02—Measuring arrangements characterised by the use of mechanical techniques for measuring length, width or thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
本发明提出了基于双束激光的衬砌管片错台测量装置及测量方法，涉及盾构施工技术领域。基于双束激光的衬砌管片错台测量装置包括测量尺体，测量尺体上固定连接有手持部，测量尺体的两端分别垂直固定有向下的支撑脚，测量尺体一侧固定连接有两个平行的用于倾斜向下发射激光的激光发射器，测量尺体另一侧上固定有用于感应两束激光的激光感应装置，测量尺体上还设置有控制处理装置，控制处理装置分别与激光发射器和激光感应装置电连接。本发明将光路作为“尺子”，实现管片错台量的转向放大和直接测量；配合其他辅助装置，便捷准确地实现不同位置处管片错台量的测量与记录；结构相对简单、造价相对低廉、保证测量精度的同时也减轻人工作业强度。
The present invention proposes a lining segment misalignment measuring device and a measuring method based on dual-beam lasers, and relates to the technical field of shield construction. The lining segment misalignment measuring device based on dual-beam lasers includes a measuring ruler body, a hand-held portion is fixedly connected to the measuring ruler body, downward supporting feet are vertically fixed at both ends of the measuring ruler body, two parallel laser transmitters for obliquely emitting lasers are fixedly connected to one side of the measuring ruler body, a laser sensing device for sensing two laser beams is fixed on the other side of the measuring ruler body, and a control processing device is also provided on the measuring ruler body, and the control processing device is electrically connected to the laser transmitter and the laser sensing device respectively. The present invention uses the optical path as a "ruler" to realize the steering amplification and direct measurement of the segment misalignment; cooperates with other auxiliary devices to conveniently and accurately realize the measurement and recording of the segment misalignment at different positions; the structure is relatively simple, the cost is relatively low, and while ensuring the measurement accuracy, it also reduces the intensity of manual work.
Description
Technical Field
The invention relates to the technical field of shield construction, in particular to a lining segment dislocation measuring device and method based on double-beam laser.
Background
The phenomenon of segment staggering commonly exists in the shield construction process, and the serious segment staggering can lead to the adverse consequences of lining local damage, uneven shield tail clearance, unsmooth track, lining water leakage and the like. Therefore, quick and accurate segment staggering measurement is an important guarantee for eliminating segment staggering and guaranteeing assembly quality.
The conventional duct piece staggering measuring device is roughly divided into a mechanical distance measuring device and a laser distance measuring device according to the working principle. For example, patent CN201520143009.8 and patent CN202110230679.3, a measuring device is fixed in a gap between two circular pipe sheets, and the extending length of the measuring ruler is the dislocation amount of the pipe sheets by pushing the measuring ruler in the device. The laser ranging calculates the amount of dislocation between adjacent segments by recording the time or phase difference of the round-trip beams, as in patent CN201720582610.6 and CN201620630241.9. Based on the above, the three-dimensional scanning technology obtains the position information of the adjacent segments of the tunnel through a large number of laser scans, and calculates the dislocation amount between the adjacent segments, such as the patents CN202111626349.2, CN201410726695.1 and CN201610286887.4.
The mechanical ranging type laser ranging device has the advantages of simple and clear principle and reliable structure, but manual measurement and reading are inconvenient, the error is large, the measurement is time-consuming and labor-consuming, on the other hand, the light speed is approximately equal to 3x10 8 m/s, the measured time difference is in nanosecond level, the phase difference is in nanoarc level, the laser ranging type laser ranging device has high precision requirement, the technical threshold and the cost are high, and the laser ranging type laser ranging device is difficult to widely apply in engineering.
Disclosure of Invention
Aiming at the problems and defects of the prior art, the invention provides a lining segment dislocation measuring ruler and a measuring method of double-beam laser, which amplify segment dislocation quantity according to the triangle similarity principle of an optical path, directly read corresponding distance on a photosensitive element, have simple structure, low manufacturing cost and convenient operation, ensure measuring precision and simultaneously lighten manual operation intensity.
The technical scheme of the invention is realized as follows:
The invention firstly provides a lining segment dislocation measuring device based on double-beam laser, which comprises a measuring ruler body, wherein a handheld part is fixedly connected to the measuring ruler body, downward supporting legs are respectively and vertically fixed at two ends of the measuring ruler body, two parallel laser transmitters for obliquely and downwards emitting laser are fixedly connected to one side of the measuring ruler body, a laser sensing device for sensing the two beams of laser is fixed to the other side of the measuring ruler body, and a control processing device is further arranged on the measuring ruler body and is respectively and electrically connected with the laser transmitters and the laser sensing device, and the control processing device is used for calculating the dislocation height of the lining segment after receiving information transmitted by the laser sensing device.
As a further technical scheme, the measuring ruler body is a rectangular ruler body.
As a further technical scheme, the number of the supporting legs at each end of the measuring ruler body is two, the total number of the supporting legs is four, the supporting legs are cylindrical, and the bottom surfaces of the supporting legs are arc-shaped surfaces.
As a further technical scheme, the included angle between the laser transmitter and the measuring ruler body is 45 degrees.
As a further technical scheme, the control processing device comprises a signal amplifier, an A/D conversion circuit, a processing chip, a memory and a control key, wherein the laser sensing device, the signal amplifier, the A/D conversion circuit and the processing chip are electrically connected in sequence, and the memory and the control key are electrically connected with the processing chip.
As a further technical scheme, the measuring scale further comprises a display, wherein the display is electrically connected with the processing chip and fixed on the measuring scale body.
As a further technical scheme, the device further comprises a Bluetooth transmission module, and the Bluetooth transmission module is electrically connected with the processing chip.
As a further technical scheme, the control key is arranged on a handheld part, and the handheld part is a handheld rod.
The invention further provides a lining segment dislocation measuring method based on double-beam laser, supporting legs at two ends of the measuring ruler body are respectively contacted with the front segment and the rear segment, laser of the two laser transmitters respectively irradiates on the surfaces of the front segment and the rear segment, the laser irradiates on the laser sensing device after being reflected by the front segment and the rear segment to form two spaced light spots, the laser sensing device senses the light spots and then transmits information to the control processing device, and the control processing device receives the information transmitted by the laser sensing device and calculates the dislocation height of the lining segment.
The optical path is used as a ruler to realize steering amplification and direct measurement of the segment dislocation quantity, compared with the existing mechanical ranging type dislocation measuring device, the optical path dislocation measuring device is convenient to measure and read, time-saving and labor-saving, high in measuring efficiency and quite small in error, compared with the existing laser ranging type dislocation measuring device, the optical path dislocation measuring device replaces time difference or phase difference by measuring the light spot distance, the cost of a product is greatly reduced while the measuring precision is ensured, and the dislocation measuring device is matched with other auxiliary devices to conveniently and accurately realize measurement and recording of segment dislocation quantities at different positions.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic structural view of a lining segment dislocation measuring device based on double laser beams;
FIG. 2 is a schematic diagram of the use state of the lining segment dislocation measuring device based on double laser beams;
FIG. 3 is a block diagram of a control processing device according to the present invention;
FIG. 4 is a measurement state diagram of the present invention;
FIG. 5 is a schematic diagram of the optical path computation of FIG. 4;
FIG. 6 is another measurement state diagram of the present invention;
fig. 7 is a schematic diagram of the optical path calculation in fig. 6.
In the figure, the measuring scale body is 1-, the supporting legs are 2-, the laser transmitter is 3-, the laser sensing device is 4-, the control processing device is 5-, the control key is 6-, the hand-held part is 7-, the front duct piece is 81-and the rear duct piece is 82-.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-3, the invention firstly provides a lining segment dislocation measuring device based on double-beam laser, which comprises a measuring scale body 1, wherein a handheld part 7 is fixedly connected to the measuring scale body 1, two ends of the measuring scale body 1 are respectively and vertically fixed with downward supporting legs 2, one side of the measuring scale body 1 is fixedly connected with two parallel laser transmitters 3 used for obliquely and downwards emitting laser, the other side of the measuring scale body 1 is fixedly provided with a laser sensing device 4 used for sensing two beams of laser, the measuring scale body 1 is also provided with a control processing device 5, the control processing device 5 is respectively and electrically connected with the laser transmitters 3 and the laser sensing device 4, and the control processing device 5 is used for calculating the dislocation height of the lining segment after receiving information transmitted by the laser sensing device 4.
As a further technical scheme, the measuring scale body 1 is a rectangular scale body, the length of the measuring scale body is 600mm, the width of the measuring scale body is 50mm, the height of the measuring scale body is 40mm, the number of supporting feet at each end of the measuring scale body is two, the total number of the supporting feet is four, the supporting feet are cylindrical, and the bottom surface of each supporting foot is an arc-shaped surface.
As a further technical scheme, the included angle between the laser emitter 3 and the measuring scale body 1 is 45 degrees.
As a further technical scheme, the control processing device 5 includes a signal amplifier, an a/D conversion circuit, a processing chip, a memory and a control key, the laser sensing device 4, the signal amplifier, the a/D conversion circuit and the processing chip are electrically connected in sequence, and the memory and the control key are electrically connected with the processing chip.
As a further technical scheme, the measuring ruler further comprises a display, wherein the display is electrically connected with the processing chip, the display is fixed on the measuring ruler body 1, and the measuring ruler further comprises a Bluetooth transmission module, and the Bluetooth transmission module is electrically connected with the processing chip.
As a further technical solution, the control key 6 is disposed on the hand-holding portion 7, and the hand-holding portion 7 is a hand-holding rod. The telescopic rod can be selected by the handheld rod, and the telescopic rod can be connected with the measuring ruler body through the universal ball.
According to the lining segment dislocation measuring method based on double laser beams, supporting feet 2 at two ends of a measuring ruler body 1 are respectively contacted with a front segment 81 and a rear segment 82, laser beams of two laser transmitters 3 are respectively irradiated onto surfaces of the front segment 81 and the rear segment 82, the laser beams are reflected by the front segment 81 and the rear segment 82 and then irradiated to a laser sensing device 4 to form two spaced light spots, the laser sensing device 4 senses the light spots and then transmits information to a control processing device 5, and the control processing device 5 receives the information transmitted by the laser sensing device and then calculates dislocation height of the lining segment. The specific process is that the laser sensing device 4 senses the light spot to form a corresponding analog signal, the laser sensing device 4 transmits the analog signal to the signal amplifier for amplification, the signal amplifier transmits the amplified signal to the A/D conversion circuit for conversion into a digital signal, the A/D conversion circuit transmits the digital signal to the processing chip, the processing chip calculates the dislocation height of the front duct piece and the rear duct piece, the dislocation height data is directly displayed through the display, and the data can be transmitted to the mobile terminal through the Bluetooth transmission module.
The principle and the calculation formula are as follows:
(1) One condition is that the front duct piece is higher than the rear duct piece, as shown in fig. 4 and 5:
(2) Another case is that the front duct piece is lower than the rear duct piece, as in fig. 6 and 7:
the optical path is used as a ruler to realize steering amplification and direct measurement of the segment dislocation quantity, so that the device is convenient to measure and read, saves time and labor, has high measurement efficiency and very small error compared with the traditional mechanical ranging type dislocation measuring device, and can conveniently and accurately measure and record segment dislocation quantities at different positions by measuring the distance between light spots instead of time difference or phase difference while guaranteeing measurement accuracy.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (8)
1. The lining segment staggering measurement method based on the double-beam laser is characterized by comprising a lining segment staggering measurement device based on the double-beam laser, wherein the lining segment staggering measurement device based on the double-beam laser comprises a measurement ruler body, a handheld part is fixedly connected to the measurement ruler body, downward supporting legs are respectively and vertically fixed at two ends of the measurement ruler body, two parallel laser transmitters for obliquely and downwards emitting laser are fixedly connected to one side of the measurement ruler body, a laser sensing device for sensing the two beams of laser is fixed on the other side of the measurement ruler body, a control processing device is further arranged on the measurement ruler body and is respectively and electrically connected with the laser transmitters and the laser sensing device, and the control processing device is used for calculating the staggering height of the lining segment after receiving information transmitted by the laser sensing device;
The supporting legs at two ends of the measuring ruler body are respectively contacted with the front duct piece and the rear duct piece, laser of the two laser transmitters respectively irradiates on the surfaces of the front duct piece and the rear duct piece, the laser irradiates the laser sensing device after being reflected by the front duct piece and the rear duct piece to form two spaced light spots, the laser sensing device senses the light spots and transmits information to the control processing device, and the control processing device calculates the staggering height of the lining duct piece after receiving the light spot spacing information transmitted by the laser sensing device.
2. The method for measuring the dislocation of the lining segment based on the double laser beams as set forth in claim 1, wherein the measuring ruler body is a rectangular ruler body.
3. The method for measuring the dislocation of the lining segment based on the double laser beams as set forth in claim 1, wherein the number of the supporting legs at each end of the measuring scale body is two, the total number of the supporting legs is four, the supporting legs are cylindrical, and the bottom surfaces of the supporting legs are arc-shaped surfaces.
4. The method for measuring the dislocation of the lining segment based on the double beam laser as claimed in claim 1, wherein the included angle between the laser transmitter and the measuring ruler body is 45 degrees.
5. The lining segment dislocation measuring method as claimed in any one of claims 1 to 4, wherein the control processing device comprises a signal amplifier, an A/D conversion circuit, a processing chip, a memory and a control key, the laser sensing device, the signal amplifier, the A/D conversion circuit and the processing chip are electrically connected in sequence, and the memory and the control key are electrically connected with the processing chip.
6. The method for measuring the dislocation of the lining segment based on double laser beams as recited in claim 5, further comprising a display, wherein the display is electrically connected with the processing chip and is fixed on the measuring scale body.
7. The method for measuring the dislocation of the lining segment based on the double beam laser of claim 6, further comprising a Bluetooth transmission module, wherein the Bluetooth transmission module is electrically connected with the processing chip.
8. The method for measuring the dislocation of the lining segment based on double laser beams as recited in claim 5, wherein the control button is arranged on a hand-held part, and the hand-held part is a hand-held rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310011887.3A CN116045774B (en) | 2023-01-05 | 2023-01-05 | Device and method for measuring dislocation of lining segment based on double-beam laser |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202310011887.3A CN116045774B (en) | 2023-01-05 | 2023-01-05 | Device and method for measuring dislocation of lining segment based on double-beam laser |
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| CN116045774A CN116045774A (en) | 2023-05-02 |
| CN116045774B true CN116045774B (en) | 2025-07-18 |
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| CN108267115A (en) * | 2017-12-15 | 2018-07-10 | 中国联合工程有限公司 | A kind of double indirection point distance-measuring devices and its measuring method |
| CN108709502A (en) * | 2018-04-20 | 2018-10-26 | 西安理工大学 | Crack vision measurement device based on parallel laser and measurement method |
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| EP2639548A1 (en) * | 2012-03-15 | 2013-09-18 | Leica Geosystems AG | Laser Receiver capable to detect its own Movements |
| CN104457572B (en) * | 2014-12-04 | 2017-11-24 | 上海岩土工程勘察设计研究院有限公司 | Method based on 3-D scanning technology extraction shield tunnel fissure of displacement faulting of slab ends amount |
| CN206037956U (en) * | 2016-08-31 | 2017-03-22 | 中南大学 | Measurement device for shield tunnel segment connects deformation |
| CN107782241A (en) * | 2017-10-12 | 2018-03-09 | 南京中高知识产权股份有限公司 | A kind of portable module combined multi-functional laser 3 d scanner |
| CN111366091B (en) * | 2020-03-20 | 2021-11-09 | 中铁十四局集团有限公司 | Method and system for determining duct piece dislocation to be assembled |
| CN112031820B (en) * | 2020-09-25 | 2024-11-19 | 中电建铁路建设投资集团有限公司 | A shield tunnel segment assembly positioning device and assembly process |
| WO2022253243A1 (en) * | 2021-05-31 | 2022-12-08 | 中铁工程服务有限公司 | Complete device for repairing and reinforcing shield tunnel segments, and repair and reinforcement process |
| CN218097632U (en) * | 2022-07-14 | 2022-12-20 | 厦门市政城市开发建设有限公司 | Measuring device for measuring inner and outer opening angles of shield segment |
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- 2023-01-05 CN CN202310011887.3A patent/CN116045774B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108267115A (en) * | 2017-12-15 | 2018-07-10 | 中国联合工程有限公司 | A kind of double indirection point distance-measuring devices and its measuring method |
| CN108709502A (en) * | 2018-04-20 | 2018-10-26 | 西安理工大学 | Crack vision measurement device based on parallel laser and measurement method |
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