CN204125822U - A kind of three-dimensional pavement structure checkout gear - Google Patents
A kind of three-dimensional pavement structure checkout gear Download PDFInfo
- Publication number
- CN204125822U CN204125822U CN201420005416.8U CN201420005416U CN204125822U CN 204125822 U CN204125822 U CN 204125822U CN 201420005416 U CN201420005416 U CN 201420005416U CN 204125822 U CN204125822 U CN 204125822U
- Authority
- CN
- China
- Prior art keywords
- axis
- dimensional
- range sensor
- laser range
- checkout gear
- 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.)
- Expired - Fee Related
Links
Landscapes
- Length Measuring Devices By Optical Means (AREA)
Abstract
The utility model discloses a kind of three-dimensional pavement structure checkout gear, comprising: the gantry frame type device possessing X-axis, Y-axis, Z axis three-dimensional motion machinery hand; The electrical control system be made up of laser range sensor, 2 24V direct current brushless servo motors, 1 24V DC stepper motor, PLC control module, touch-screen, microcomputer, savings power supply and some connecting lines.Based on the detection method of above-mentioned three-dimensional pavement structure checkout gear, comprising: system starts; Input parameter; Laser range sensor image data and software data processing; Store three-dimensional elevation data and computational geometry parameter.The utility model adopts laser ranging technique to obtain the construction data on tested road surface, improves accuracy of detection; Meanwhile, controlled the athletic posture of laser range sensor by touch-screen, the convenient three-dimensional elevation data obtaining tested road surface, reduce measure error, improve measurement efficiency.
Description
Technical field
The utility model relates to pavement structure detection technique, is specifically related to a kind of three-dimensional pavement structure checkout gear.
Background technology
Along with the increase of road traffic amount, people's road pavement traffic safety problem is more and more paid close attention to, and pavement structure detection technique also becomes the study hotspot of technical field.Existing pavement structure measuring method mainly comprises pin and retouches method and Fiber Optic Sensor.The former directly and road surface aggregate contact, although precision can meet the demands, easily cause contact pilotage to wear and tear, checkout gear life cycle is short, and cost is high; Though the latter has higher certainty of measurement and scope, but larger by the impact of color of gathering materials.Meanwhile, above-mentioned two kinds of methods only can reduce the elevation status of road surface two-dimensional structure curve, fail the three-dimensional structure feature that Efficient Characterization road surface gathers materials, and cause that pavement structure metrical error is large, efficiency is low.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, provides that a kind of automaticity is high, easy to operate, efficiency is high, detect accurate three-dimensional pavement structure checkout gear.
In order to achieve the above object, the technical solution adopted in the utility model is, a kind of three-dimensional pavement structure checkout gear, comprising: the gantry frame type device possessing X-axis, Y-axis, Z axis three-dimensional motion machinery hand, by laser range sensor, 2 24V direct current brushless servo motors, 1 24V DC stepper motor, PLC control module, touch-screen, microcomputer, the electrical control system of savings power supply and some connecting lines composition, 2 24V direct current brushless servo motors are separately positioned in described X-axis and Y-axis, 24V DC stepper motor is arranged on described Z axis, described laser range sensor is carried at the removable slide block 7 of described Z axis, for the laser that Emission Lasers and reception diffuse reflection return, described PLC control module is for controlling rotating speed and the number of turns of 3 motors, for driving the manipulator three-dimensional motion of gantry frame type device.
Concrete, described touch screen interface comprises beginnings, resets, suddenly to stop, the rising of X-axis speed, Y-axis speed, X-axis stroke, Y-axis stroke, Z axis, Z axis decline, crawl interface and cycle-index button.
Based on the detection method of above-mentioned three-dimensional pavement structure checkout gear, as shown in Figure 5, comprise the following steps:
Step 1, system starts, open microcomputer, start laser range sensor data collection and analysis software, connect described electrical control system each several part power supply, determine reference datum, described reference datum is the measured object measurement original position that laser range sensor reading is zero, to ensure to measure all from same point and the sustained height of measured object at every turn;
Step 2, inputs the parameters such as described X-axis, Y-axis, the height of Z axis, movement velocity, move distance and cycle-index from touch-screen; Input the data collection interval parameter of described laser range sensor;
Step 3, point touching screen start button, the laser range sensor be mounted on gantry frame type device moves by predefined paths, continuous emission excimer laser arrives tested road surface simultaneously, receive the laser that diffuse reflection is returned, the process of laser range sensor data collection and analysis software obtains three-dimensional elevation data, until complete this predefined paths motor task;
Laser range sensor can realize following forms of motion, as shown in Figure 4 (wherein A represents that X-axis moves, and B represents that Y-axis moves): 1, move B mm with the speed of A mm/s before X axis; 2, X-axis stops; 3, Y-axis drives X-axis sidesway Cmm; 4, Y-axis stops; 5, B mm is moved with the speed of A mm/s after X axis.N time and so forth, can obtain 2N stripe pitch is C mm, and length is the microtexture curve of B mm;
Step 4, stores the three-dimensional elevation data of text file format;
Described three-dimensional elevation data are carried out linear fit and three-dimensional surface matching by MATLAB software by step 5, calculate the geometric parameter of curve obtained; Geometric parameter comprises the fractal dimension of corrugation pitch, crest quantity, the degree of skewness of curve, the steepness of curve or curve.
Relative to prior art, the beneficial effects of the utility model are:
(1) the utility model adopts laser ranging technique to obtain the construction data on tested road surface, improves accuracy of detection.
(2) the utility model controls the athletic posture of laser range sensor by touch-screen, and the convenient three-dimensional elevation data obtaining tested road surface, reduce measure error, improve measurement efficiency.
Accompanying drawing explanation
Fig. 1 is the utility model gantry frame type apparatus structure schematic diagram.
Fig. 2 is the utility model laser range sensor measuring principle figure.
Fig. 3 is the utility model touch screen interface schematic diagram.
Fig. 4 is the moving line schematic diagram of the utility model laser range sensor.
Fig. 5 is the utility model detection method flow chart.
Detailed description of the invention
Further illustrate the utility model below in conjunction with drawings and Examples, but the claimed scope of the utility model is not limited to the scope of embodiment statement.To the other changes and modifications that those skilled in the art makes when not deviating from spirit of the present utility model and protection domain, be still included in the scope of claims protection.
Embodiment
The present embodiment, a kind of three-dimensional pavement structure checkout gear, comprising: the gantry frame type device possessing X-axis, Y-axis, Z axis three-dimensional motion machinery hand, as shown in Figure 1; The electrical control system be made up of laser range sensor, 2 24V direct current brushless servo motors, 1 24V DC stepper motor, PLC control module, touch-screen, microcomputer, savings power supply and some connecting lines.2 24V direct current brushless servo motors 1 and 5 are separately positioned in described X-axis 6 and Y-axis 4,24V DC stepper motor 2 is arranged on described Z axis 3, rotating speed and the number of turns of described 3 motors is controlled, for driving the manipulator three-dimensional motion of gantry frame type device by PLC control module.Described laser range sensor is carried, for the laser that Emission Lasers and reception diffuse reflection return at the removable slide block 7 of described Z axis.Described touch screen interface, as shown in Figure 3, comprises beginning, reset, anxious to stop, X-axis speed, Y-axis speed, X-axis stroke, Y-axis stroke, Z axis rise, Z axis declines, crawl interface and cycle-index button.
Described PLC control module receives the parameter of described touch screen interface input, and the manipulator controlling described gantry frame type device drives described laser range sensor three-dimensional motion.
Described laser range sensor grid DEM formula is:
wherein, ps is measuring point elevation, and count is the count value that laser range sensor returns, and sf is amplification coefficient, and dp is laser range sensor point position parameter.As shown in Figure 2, lasing light emitter sends incident light to its measuring principle, and through collimation lens set, incident light arrives measured object surface diffuse reflection can occur, and is received, thus can read the conversion of altitude data by imaging lens group by sensor.
Described microcomputer is common PC, the preferred notebook computer of the present embodiment, the MATLAB software that the inside has been installed laser range sensor data collection and analysis software and developed specially for the utility model.
Described laser range sensor data collection and analysis software is the intrinsic standard acquisition software of described laser range sensor, and laser signal adopts sequential filming mode, and the time interval of data acquisition is then set as gathering a data point in every 0.5 second; Adopt this mode can record the equidistant altitude data point of plane of fixed dimension.
Described MATLAB software comprise calculate fractal dimension MATLAB software, calculate curve construction geometric parameter and reduction structure three-dimensional surface MATLAB software and when the altitude data no to scale obtained, can realize data noise removal MATLAB software.
The present embodiment laser range sensor does following forms of motion: 1, move 8mm with the speed of 1mm/s before X axis; 2, X-axis stops; 3, Y-axis drives X-axis sidesway 0.5mm; 4, Y-axis stops; 5, the speed with 1mm/s after X axis moves 8mm.4 times and so forth, can obtain 8 stripe pitch is 0.5mm, and length is the microtexture curve of 8mm.
According to the utility model method, for selecting suitable road surface building stones, do following test experience:
Choose four kinds of building stones, particle diameter is 9.5 ~ 13.2mm; Often kind of 40 particles after selecting plated film that gather materials, the long limit of each particle measures 1 time, and minor face measures 1 time, and diagonal is measured once; Use the MATLAB program computation fractal dimension calculating fractal dimension; The fractal dimension obtaining building stones is followed successively by A (1.213), B (1.199), C (1.177), D (1.176) from large to small; From physics, the structure of road surface and building stones is abundanter, and namely the fractal dimension of building stones is larger, and its cling property is better, thus thinks that building stones A has preferably cling property.
Above-described embodiment is the utility model preferably embodiment; but embodiment of the present utility model is not restricted to the described embodiments; change, the modification done under other any does not deviate from Spirit Essence of the present utility model and principle, substitute, combine, simplify; all should be the substitute mode of equivalence, be included within protection domain of the present utility model.
Claims (2)
1. a three-dimensional pavement structure checkout gear, is characterized in that, comprising: the gantry frame type device possessing X-axis, Y-axis, Z axis three-dimensional motion machinery hand, by laser range sensor, 2 24V direct current brushless servo motors, 1 24V DC stepper motor, PLC control module, touch-screen, microcomputer, the electrical control system of savings power supply and some connecting lines composition, 2 24V direct current brushless servo motors are separately positioned in described X-axis and Y-axis, 24V DC stepper motor is arranged on described Z axis, described laser range sensor is carried at the removable slide block 7 of described Z axis, for the laser that Emission Lasers and reception diffuse reflection return, described PLC control module is for controlling rotating speed and the number of turns of 3 motors, for driving the manipulator three-dimensional motion of gantry frame type device.
2. a kind of three-dimensional pavement structure checkout gear according to claim 1, is characterized in that: described touch screen interface comprises beginning, reset, anxious to stop, X-axis speed, Y-axis speed, X-axis stroke, Y-axis stroke, Z axis rise, Z axis declines, crawl interface and cycle-index button.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005416.8U CN204125822U (en) | 2014-01-02 | 2014-01-02 | A kind of three-dimensional pavement structure checkout gear |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420005416.8U CN204125822U (en) | 2014-01-02 | 2014-01-02 | A kind of three-dimensional pavement structure checkout gear |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204125822U true CN204125822U (en) | 2015-01-28 |
Family
ID=52382193
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420005416.8U Expired - Fee Related CN204125822U (en) | 2014-01-02 | 2014-01-02 | A kind of three-dimensional pavement structure checkout gear |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204125822U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758016A (en) * | 2014-01-02 | 2014-04-30 | 华南理工大学 | Three-dimensional pavement structure detection device and detection method thereof |
| CN111395124A (en) * | 2020-04-17 | 2020-07-10 | 广东建科交通工程质量检测中心有限公司 | Three-dimensional laser detection device for road and airport pavement |
-
2014
- 2014-01-02 CN CN201420005416.8U patent/CN204125822U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103758016A (en) * | 2014-01-02 | 2014-04-30 | 华南理工大学 | Three-dimensional pavement structure detection device and detection method thereof |
| CN103758016B (en) * | 2014-01-02 | 2016-06-22 | 华南理工大学 | A kind of three-dimensional pavement structure detecting device and detection method thereof |
| CN111395124A (en) * | 2020-04-17 | 2020-07-10 | 广东建科交通工程质量检测中心有限公司 | Three-dimensional laser detection device for road and airport pavement |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102147281B (en) | Machine-vision based liquid level detection device and method | |
| CN104776817A (en) | Sliding type ceramic tile surface flatness detection device and method thereof | |
| CN103940335A (en) | Device for measuring repeated positioning accuracy of industrial robot | |
| CN202008382U (en) | Liquid level detector based on machine vision | |
| CN102589492B (en) | A kind of large-scale curved flexible detection device | |
| CN103727876A (en) | Strip width and center measurement system and method based on parallel laser rays | |
| CN103630076A (en) | Method and device for calibrating laser displacement sensor | |
| CN204963795U (en) | Three -dimensional reconsitution material system based on laser scanning | |
| CN204125822U (en) | A kind of three-dimensional pavement structure checkout gear | |
| CN103528528A (en) | Compact type precise laser triangular range finder | |
| CN103758016B (en) | A kind of three-dimensional pavement structure detecting device and detection method thereof | |
| CN207894954U (en) | A kind of water surface flow rate detection system under high water condition | |
| CN103615985A (en) | Method for measuring diameter of steering knuckle based on three-dimensional scanning data | |
| CN1512135A (en) | Robot straight line track characteristeric measuring method and measurer used thereof | |
| CN203203571U (en) | Diaphragm gas meter air valve matching surface three-dimensional morphology detection device | |
| CN105157583A (en) | Axle journal length measurement system | |
| CN202304771U (en) | Detector for detecting impeller positioning guide rod of through-flow fan impeller ultrasonic bonding machine | |
| CN201819839U (en) | Non-contact type extensometer | |
| CN114296099B (en) | Bin volume detection method based on solid-state area array laser radar | |
| CN102607462A (en) | Three-dimensional laser scanning signal synchronization and correction method | |
| CN105806217A (en) | Single pull thread type measuring system and method for object space position measurement | |
| CN102553973B (en) | Longitudinal beam of automobile frame detects accurate positioning device and detection method | |
| CN202974319U (en) | Dynamic measuring device for angle measurement precision | |
| CN205102783U (en) | Direct incident formula light arm enlargies linear gauge head of type one -dimensional | |
| CN213149239U (en) | Millimeter wave radar coal inventory device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150128 Termination date: 20180102 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |