CN109443221A - A kind of laser displacement inspecting device of video auxiliary - Google Patents
A kind of laser displacement inspecting device of video auxiliary Download PDFInfo
- Publication number
- CN109443221A CN109443221A CN201811576143.1A CN201811576143A CN109443221A CN 109443221 A CN109443221 A CN 109443221A CN 201811576143 A CN201811576143 A CN 201811576143A CN 109443221 A CN109443221 A CN 109443221A
- Authority
- CN
- China
- Prior art keywords
- backboard
- laser
- camera
- fixed
- target object
- Prior art date
- 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.)
- Pending
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Classifications
-
- 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
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
Abstract
A kind of laser displacement inspecting device of video auxiliary, belongs to deflection of bridge span detection technique field.The present apparatus includes mobile bracket, laser, backboard, backboard bracket, camera, camera connecting rod, backboard is identified with transverse and longitudinal coordinate scale, laser is fixed on mobile bracket, backboard is fixed on backboard bracket, camera is fixed on camera connecting rod, and camera connecting rod is fixed on above backboard.Mobile bracket is fixed on target object when use, follows target object mobile, and the laser that adjustment backboard angle emits laser is vertical with backboard, captures laser point displacement automatically by camera to determine the displacement process of target object.The present apparatus determines the displacement process of target object in such a way that laser positioning and camera capture the displacement of laser positioning point, can improve detection accuracy with more intuitive determining target object moving process.
Description
Technical field
The present invention relates to a kind of laser displacement inspecting devices of video auxiliary, belong to deflection of bridge span detection technique field.
Background technique
Amount of deflection is to evaluate the important indicator of bridge safty, directly reacts whether bridge structure deformation reaches risk range.
Deflection of bridge span instrument is the instrument for measuring amount of deflection, and flexometer can measure the variation of the vertical distance of object, be mainly used for bridge
Static, Dynamic flexural degree measurement, has extensive use in construction unit, unit in charge of construction and engineering detecting, supervisor.
Device, facility in existing market for amount of deflection detection are mainly photo-electric flexometer, photo-electric flexometer equipment
Complexity, imaging device is strongly professional, and accuracy is high, but there is also operate professional problem high, use cost is high simultaneously.This hair
It is bright using video auxiliary as means propose a kind of displacement detector, it can be achieved that amount of deflection detection major function, with current price compared with
Professional Image-forming instrument is replaced by cheap picture pick-up device, while easy to operate, has greatly saved installation cost, while can have again
Effect guarantees detection accuracy, has the characteristics that using easy, precision is high, at low cost.
Summary of the invention
The purpose of the present invention is to propose to a kind of laser displacement inspecting devices of video auxiliary, pass through laser positioning and camera shooting
The mode that head captures the displacement of laser positioning point determines the displacement process of target object, can be moved with more intuitive determining target object
Dynamic process, improves detection accuracy.
The present invention includes mobile bracket, laser, backboard, backboard bracket, camera, camera connecting rod, backboard mark
There is transverse and longitudinal coordinate scale, laser is fixed on mobile bracket, and backboard is fixed on backboard bracket, and camera is fixed on camera
On connecting rod, camera connecting rod is fixed on above backboard.
The present invention using when mobile bracket be fixed on target object, follow target object mobile, adjustment backboard angle makes
The laser of laser transmitting is vertical with backboard, captures laser point displacement automatically by camera to determine the displacement of target object
Journey.
Beneficial effects of the present invention:
The invention proposes a kind of laser displacement inspecting devices of video auxiliary, compare existing displacement detector, tool
Have using easy, precision is high, the remarkable advantages such as at low cost.
Detailed description of the invention
Fig. 1 is displacement detector figure
Illustrate: 1 --- backboard 2 --- camera connecting rod
3 --- camera 4 --- lasers
5 --- mobile bracket 6 --- backboard brackets
Specific embodiment
The present invention includes mobile bracket 5, laser 4, backboard 1, backboard bracket 6, camera 3, camera connecting rod 2, back
Panel sign has transverse and longitudinal coordinate scale, and laser is fixed on mobile bracket, and backboard is fixed on backboard bracket, and camera is fixed on
On camera connecting rod, camera connecting rod is fixed on above backboard.
The present invention using when mobile bracket be fixed on target object, follow target object mobile, adjustment backboard angle makes
The laser of laser transmitting is vertical with backboard, captures laser point displacement automatically by camera to determine the displacement of target object
Journey.
Claims (2)
1. a kind of laser displacement inspecting device of video auxiliary, which is characterized in that including mobile bracket, laser, backboard, backboard
Bracket, camera, camera connecting rod, backboard are identified with transverse and longitudinal coordinate scale, and laser is fixed on mobile bracket, and backboard is solid
It is scheduled on backboard bracket, camera is fixed on camera connecting rod, and camera connecting rod is fixed on above backboard.
2. the method for application device as described in claim 1, it is characterised in that: mobile bracket is fixed on target object when use
On, follow target object mobile, the laser that adjustment backboard angle emits laser is vertical with backboard, catches automatically by camera
Laser point displacement is caught to determine the displacement process of target object.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811576143.1A CN109443221A (en) | 2018-12-22 | 2018-12-22 | A kind of laser displacement inspecting device of video auxiliary |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811576143.1A CN109443221A (en) | 2018-12-22 | 2018-12-22 | A kind of laser displacement inspecting device of video auxiliary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109443221A true CN109443221A (en) | 2019-03-08 |
Family
ID=65535083
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811576143.1A Pending CN109443221A (en) | 2018-12-22 | 2018-12-22 | A kind of laser displacement inspecting device of video auxiliary |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109443221A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648981A (en) * | 2020-12-04 | 2021-04-13 | 中国航空工业集团公司成都飞机设计研究所 | Method for measuring swing quantity of rotating mechanism in motion process based on laser positioning |
| CN115014164A (en) * | 2022-08-09 | 2022-09-06 | 山东牧马人测绘技术有限公司 | Irregular object length measuring device and measuring method thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04315005A (en) * | 1991-04-12 | 1992-11-06 | Mitsubishi Heavy Ind Ltd | Laser displacement meter |
| CN1789905A (en) * | 2005-12-28 | 2006-06-21 | 张奔牛 | Apparatus and method for detecting and monitoring displacement/deflection |
| CN103604367A (en) * | 2013-11-14 | 2014-02-26 | 上海交通大学 | Apparatus and method for calibration of laser triangulation system |
| CN104897067A (en) * | 2015-06-19 | 2015-09-09 | 天津大学 | Laser image real time monitoring method measuring relative displacement |
| CN105571506A (en) * | 2015-12-25 | 2016-05-11 | 北京尚水信息技术股份有限公司 | Apparatus for measuring deflection of measuring bridge in topographic measurement and measuring method thereof |
| CN106338335A (en) * | 2016-11-07 | 2017-01-18 | 西华大学 | Image based online sleeper vibration monitoring method |
| CN209102001U (en) * | 2018-12-22 | 2019-07-12 | 交通运输部公路科学研究所 | A kind of laser displacement inspecting device of video auxiliary |
-
2018
- 2018-12-22 CN CN201811576143.1A patent/CN109443221A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04315005A (en) * | 1991-04-12 | 1992-11-06 | Mitsubishi Heavy Ind Ltd | Laser displacement meter |
| CN1789905A (en) * | 2005-12-28 | 2006-06-21 | 张奔牛 | Apparatus and method for detecting and monitoring displacement/deflection |
| CN103604367A (en) * | 2013-11-14 | 2014-02-26 | 上海交通大学 | Apparatus and method for calibration of laser triangulation system |
| CN104897067A (en) * | 2015-06-19 | 2015-09-09 | 天津大学 | Laser image real time monitoring method measuring relative displacement |
| CN105571506A (en) * | 2015-12-25 | 2016-05-11 | 北京尚水信息技术股份有限公司 | Apparatus for measuring deflection of measuring bridge in topographic measurement and measuring method thereof |
| CN106338335A (en) * | 2016-11-07 | 2017-01-18 | 西华大学 | Image based online sleeper vibration monitoring method |
| CN209102001U (en) * | 2018-12-22 | 2019-07-12 | 交通运输部公路科学研究所 | A kind of laser displacement inspecting device of video auxiliary |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112648981A (en) * | 2020-12-04 | 2021-04-13 | 中国航空工业集团公司成都飞机设计研究所 | Method for measuring swing quantity of rotating mechanism in motion process based on laser positioning |
| CN115014164A (en) * | 2022-08-09 | 2022-09-06 | 山东牧马人测绘技术有限公司 | Irregular object length measuring device and measuring method thereof |
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