CN110530279A - A kind of method and apparatus of the monitoring blade entirety deformation based on laser triangulation - Google Patents
A kind of method and apparatus of the monitoring blade entirety deformation based on laser triangulation Download PDFInfo
- Publication number
- CN110530279A CN110530279A CN201910518100.6A CN201910518100A CN110530279A CN 110530279 A CN110530279 A CN 110530279A CN 201910518100 A CN201910518100 A CN 201910518100A CN 110530279 A CN110530279 A CN 110530279A
- Authority
- CN
- China
- Prior art keywords
- laser
- blade
- control system
- robot
- monitoring
- 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
Links
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
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
-
- 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
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
It is an object of the invention to propose a kind of method and apparatus of monitoring blade entirety deformation based on laser triangulation.Three-dimensional appearance by monitoring blade controls blade percussion angle, is finally reached the shock peening requirement of blade.The device for the monitoring blade entirety deformation based on laser triangulation that the invention also discloses a kind of, including computer control system, laser power supply, laser peening apparatus, diaphotoscope, part robot, robot control system, contour images acquisition system.The method of the invention and device can be handled the laser impact intensified deformation of various thin-wall complicated curved surfaces, improve shock peening effect.
Description
Technical field
The present invention relates to mechanical manufacturing fields, and in particular to a kind of monitoring blade entirety deformation based on laser triangulation
Method and apparatus.
Background technique
Aero-engine is known as " flower of industry ".Engine blade is even more its core place, and aero-engine is typical
High-precision, variable cross-section thin wall component, its quality directly determines the safety and reliability of aero-engine.In order to protect
Card compressor normally works, and air-flow is avoided to separate, and reduces flow losses, and blade has certain torsion radian.It is strong in impact
During change, need to change angle of attack to guarantee that strengthening effect reaches expected standard to blade everywhere, and in impact process, laser
Blastic deformation amount can have an impact the impact effect of blade during impact, the safety to the pneumatic property and engine of blade
Generation seriously affects.
The prior art only takes in the blade radian before shock peening, but laser in blade strengthening process is rushed
Hit reinforcing caused by deformation do not account for, and often in impact process caused by the deformation of blade entirety impact later can be produced
Life seriously affects.
Laser triangulation structure is simple, measurement real-time is good, in the detection such as length, distance and three-dimensional appearance in the industry
It is widely used.
Summary of the invention
It is an object of the invention to propose the method and dress of a kind of monitoring blade entirety deformation based on laser triangulation
It sets, is particularly suitable for the surface treatment of variable cross-section thin wall complex structure part.
The technical solution adopted in the present invention: a method of the monitoring blade entirety deformation based on laser triangulation,
Include the following steps:
Step 1: the form parameter of the thin-wall complicated blade of variable cross-section being inputted into computer control system, according to part shape and client
It is required that the laser impact intensified parameter of setting and robot motion track；
Step 2: robot controls the incident angle of laser beam impact blade, and the laser beam that laser generates prescribed energy impacts leaf
Piece surface, contour images acquisition system carry out real time monitoring and Image Acquisition to the pattern of blade, and the image information of acquisition is passed
Enter to calculate；
Step 3: computer is according to the image information of acquisition, by big data mining analysis, choose new optimal incident angle and
Laser energy size corrects robot motion profile and laser-impact parameter with this；
Step 4: repeating Step 2: three, until entire blade percussion is completed.
Preferably, the contour images acquisition system is laser triangulation, and laser diode launches laser beam, is passed through
It crosses colimated light system and focuses on testee surface at an angle, laser scatters on testee surface, scattering
Laser is converged by lens, acquires information by CCD camera.
A kind of device of the monitoring blade entirety deformation based on laser triangulation, including computer control system, laser
Device power supply, laser peening apparatus, diaphotoscope, part robot, robot control system, contour images acquisition system, the meter
It calculates machine control system to connect with the laser power supply, the laser power supply has sprayed equipment with the organ and connect；The meter
The control of calculation machine is connect with the contour images acquisition system, and the computer control system and the robot control system connect
It connects, the robot control system is connect with the part robot.
Preferably, the contour images acquisition system includes measurement laser, reflecting mirror and linear array CCD camera.Swash from measurement
The light beam that light projects successively, while being captured one by one by linear array CCD camera.
Compared with prior art, the beneficial effects of the present invention are: (1) present invention uses laser triangulation real-time measurement
The three-dimensional appearance of blade, laser triangulation structure is simple, measurement real-time is good.It is (2) of the invention in such a way that big data is excavated,
The blade three-dimensional appearance data of real-time measurement are corresponding with robot motion track, robot motion track is adjusted in real time, is protected
It demonstrate,proves blade and shock peening is received with best angle.
Detailed description of the invention
Fig. 1 is a kind of schematic diagram of the device of the monitoring blade entirety deformation based on laser triangulation of the present invention；
Fig. 2 is variable cross-section thin wall blade schematic diagram of the present invention；
Fig. 3 is different laser energy of the present invention to sample blastic deformation schematic diagram；
Fig. 4 is the schematic diagram of laser triangulation of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Technical solution of the present invention is further described below with reference to specific example.
Incorporated by reference to Fig. 1, a kind of device of the monitoring blade entirety deformation based on laser triangulation, including computer control
System 1, laser power supply 2, laser peening apparatus 3, lens 6, part robot 7, robot control system 8, contour images are adopted
Collecting system, computer control system 1 are connect with laser power supply 2, and laser power supply 2 is connect with machine light shot blasting equipment 3；Computer
Control 1 is connect with contour images acquisition system, and computer control system 1 is connect with robot control system 8, control system, robot
System 8 is connect with part robot 7, and contour images acquisition system includes measurement laser 4, lens 6 and linear array CCD camera 5.
A method of the monitoring blade entirety deformation based on laser triangulation includes the following steps:
Step 1: the form parameter of the thin-wall complicated blade of variable cross-section being inputted into computer control system, according to part shape and client
It is required that the laser impact intensified parameter of setting and robot motion track, as shown in Figure 2；
Step 2: robot controls the incident angle of laser beam impact blade, and the laser beam that laser generates prescribed energy impacts leaf
Piece surface, it is as shown in Figure 3 for blastic deformation of the different laser energy to sample；Pattern of the contour images acquisition system to blade
Real time monitoring and Image Acquisition are carried out, the image information of acquisition is passed to computer.
Step 3: computer chooses new optimal incidence angle by big data mining analysis according to the image information of acquisition
Degree and laser energy size, correct robot motion profile and laser-impact parameter with this.
Step 4: repeating Step 2: three, until entire blade percussion is completed.
Contour images acquisition system is laser triangulation, and principle is as shown in figure 4, laser diode launches laser
Beam focuses on testee surface by colimated light system at an angle, and laser scatters on testee surface, dissipates
The laser penetrated is converged by lens, acquires information by CCD camera.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (4)
1. a kind of method of the monitoring blade entirety deformation based on laser triangulation, which comprises the steps of:
Step 1: the form parameter of the thin-wall complicated blade of variable cross-section being inputted into computer control system, according to part shape and client
It is required that the laser impact intensified parameter of setting and robot motion track；
Step 2: robot controls the incident angle of laser beam impact blade, and the laser beam that laser generates prescribed energy impacts leaf
Piece surface, contour images acquisition system carry out real time monitoring and Image Acquisition to the pattern of blade, and the image information of acquisition is passed
Enter computer；
Step 3: computer is according to the image information of acquisition, by big data mining analysis, choose new optimal incident angle and
Laser energy size corrects robot motion profile and laser-impact parameter with this；
Step 4: repeating Step 2: three, until entire blade percussion is completed.
2. a kind of method of monitoring blade entirety deformation based on laser triangulation as described in claim 1, feature exist
Be laser triangulation in: the contour images acquisition system, laser diode launches laser beam, by colimated light system with
Certain angle focuses on testee surface, and laser scatters on testee surface, and the laser of scattering passes through lens
It is converged, information is acquired by CCD camera.
3. such as a kind of described in any item devices of the monitoring blade entirety deformation based on laser triangulation of claim 1-2,
It is characterized by comprising computer control system, laser power supply, laser peening apparatus, lens, part robot, robots
Control system, contour images acquisition system, the computer control system are connect with the laser power supply, the laser electricity
Source is connect with the machine light shot blasting equipment；The computer control is connect with the contour images acquisition system, the computer
Control system is connect with the robot control system, and the robot control system is connect with the part robot.
4. a kind of device of monitoring blade entirety deformation based on laser triangulation as claimed in claim 3, feature exist
In: the contour images acquisition system includes measurement laser, lens and linear array CCD camera, the light projected successively from measurement laser
Beam, while being captured one by one by linear array CCD camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910518100.6A CN110530279A (en) | 2019-06-14 | 2019-06-14 | A kind of method and apparatus of the monitoring blade entirety deformation based on laser triangulation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910518100.6A CN110530279A (en) | 2019-06-14 | 2019-06-14 | A kind of method and apparatus of the monitoring blade entirety deformation based on laser triangulation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110530279A true CN110530279A (en) | 2019-12-03 |
Family
ID=68659379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910518100.6A Pending CN110530279A (en) | 2019-06-14 | 2019-06-14 | A kind of method and apparatus of the monitoring blade entirety deformation based on laser triangulation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110530279A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278103A (en) * | 2013-05-18 | 2013-09-04 | 大连理工大学 | Method and device for measuring thin substrate deformation |
| DE102015102651A1 (en) * | 2014-02-26 | 2015-08-27 | Harmonic Drive Systems Inc. | Flexible externally toothed gear for a wave generating gear and method of making the same |
| CN106119467A (en) * | 2016-07-26 | 2016-11-16 | 广东工业大学 | A kind of method and apparatus controlling laser peening parameter monitoring blade surface roughness |
| CN106216842A (en) * | 2016-07-12 | 2016-12-14 | 广东工业大学 | The method and apparatus of weld plate material laser peening school shape dimensional accuracy On-line Control |
| CN106270005A (en) * | 2016-08-25 | 2017-01-04 | 广东工业大学 | A kind of method and apparatus of blade laser peening school shape |
-
2019
- 2019-06-14 CN CN201910518100.6A patent/CN110530279A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103278103A (en) * | 2013-05-18 | 2013-09-04 | 大连理工大学 | Method and device for measuring thin substrate deformation |
| DE102015102651A1 (en) * | 2014-02-26 | 2015-08-27 | Harmonic Drive Systems Inc. | Flexible externally toothed gear for a wave generating gear and method of making the same |
| CN106216842A (en) * | 2016-07-12 | 2016-12-14 | 广东工业大学 | The method and apparatus of weld plate material laser peening school shape dimensional accuracy On-line Control |
| CN106119467A (en) * | 2016-07-26 | 2016-11-16 | 广东工业大学 | A kind of method and apparatus controlling laser peening parameter monitoring blade surface roughness |
| CN106270005A (en) * | 2016-08-25 | 2017-01-04 | 广东工业大学 | A kind of method and apparatus of blade laser peening school shape |
Non-Patent Citations (2)
| Title |
|---|
| 谭海艳 等: "基于激光三角法的零件表面粗糙度在线测量", 《机床与液压》 * |
| 阿克塞尔多•涅斯: "《激光测量技术 原理与应用》", 30 June 2017, 华中科技大学出版 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106216842B (en) | The method and apparatus of welding metal plate laser peening school shape dimensional accuracy On-line Control | |
| He et al. | Autonomous detection of weld seam profiles via a model of saliency-based visual attention for robotic arc welding | |
| Saeed et al. | Weld pool surface depth measurement using a calibrated camera and structured light | |
| US6969821B2 (en) | Airfoil qualification system and method | |
| CN108981580B (en) | Online detection device and method for crane track | |
| CA3027310C (en) | Method and apparatus for controlling shot peening | |
| CN102803893A (en) | Vision measurement probe and method of operation | |
| CN107741175B (en) | A kind of artificial intelligence fine sight method | |
| CN102840825B (en) | Particle locating system and method | |
| Song et al. | Three-dimensional reconstruction of specular surface for a gas tungsten arc weld pool | |
| CN109300116A (en) | The online defect identification method of laser welding based on machine learning | |
| CN112197713B (en) | Device and method for synchronously measuring deformation and surface pressure of helicopter rotor blade | |
| CN100573033C (en) | Three-dimensional surface model building system based on binocular | |
| CN114140439A (en) | Laser welding seam feature point identification method and device based on deep learning | |
| CN108871195B (en) | Physical diagnosis equipment aiming method based on reflective ball tracking ball target | |
| CN113134683A (en) | Laser marking method and device based on machine learning | |
| JP2007033306A (en) | System and method for measuring fluid flow | |
| CN104913734A (en) | Galvanometric line laser scanning 3D profile measurement device and method | |
| CN114838668A (en) | Tunnel displacement monitoring method and system | |
| CN106180471B (en) | A kind of method and apparatus of aircraft wing laser shot forming | |
| CN110530279A (en) | A kind of method and apparatus of the monitoring blade entirety deformation based on laser triangulation | |
| CN111693028A (en) | Method for obtaining digital water depth model based on projection image | |
| CN108020871A (en) | aerial camera infrared imaging device dynamic imaging quality test device and test method | |
| CN111156921A (en) | Contour data processing method based on sliding window mean filtering | |
| CN110472185B (en) | Method for calculating trajectory of window with inclination angle between round projectile impact and ground |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191203 |