CN207936929U - A kind of aerial blade front and rear edge cross hairs laser scanning device - Google Patents

A kind of aerial blade front and rear edge cross hairs laser scanning device Download PDF

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Publication number
CN207936929U
CN207936929U CN201820369689.9U CN201820369689U CN207936929U CN 207936929 U CN207936929 U CN 207936929U CN 201820369689 U CN201820369689 U CN 201820369689U CN 207936929 U CN207936929 U CN 207936929U
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axis
translation stage
axis translation
pinboard
rear edge
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李文龙
谢核
金福权
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Huazhong University of Science and Technology
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Huazhong University of Science and Technology
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Abstract

The utility model discloses a kind of aerial blade front and rear edge cross hairs laser scanning devices, including being located at pinboard (103) and turntable (101), wherein, turntable (101) is rotated about the axis for placing workpiece for measurement (102) and it being driven to enclose;Pinboard (103) is connected with angle adjustable pinboard (104), the angle adjustable pinboard (104) is connected with two line laser gauge heads (105), the two line laser gauge heads (105) are then used to carry out cross line laser structured light to workpiece for measurement (102);Pinboard (103) is used under the drive of X-axis translation stage (111), Y-axis translation stage (106) and Z axis translation stage (107) respectively along X-axis, Y-axis and Z axis translational motion.The utility model is improved the scanning, it can be achieved that based on contactless cross hairs laser measurement to workpiece for measurement three-D profile by the connection relation of structure and each inter-module to key component, the corresponding scan mode of device.

Description

A kind of aerial blade front and rear edge cross hairs laser scanning device
Technical field
The utility model belongs to three-dimensional measurement technical field, more particularly, to a kind of aerial blade front and rear edge cross hairs Laser scanning device, the device are the three-dimensional point clouds that aerial blade surface is obtained in such a way that cross hairs laser without contact scans Cross hairs laser scanning device.
Background technology
With the continuous development of machine vision technique, application of the three-dimensional perception in industrial detection is more extensive, such as 3D weights Structure, reverse-engineering, visualizing monitor, vision positioning, posture calibration etc..Whether according to being contacted with workpiece, measurement, which can be divided into, to be connect Touch and two kinds contactless.Most typical represent is three coordinate measuring machine (CMM) in contact, and precision is high, but measures Speed is slow, expensive and measurement range is limited.Structural light measurement method mature in contactless measurement, using wide It is general, fast with speed due to being not necessarily to be in direct contact with workpiece, the advantages that system flexibility is good, wide range of measurement, according to projection side Formula its can be divided into the measurement patterns such as light, linear light and multi-thread light.Dot laser pattern is to project beam of laser by point light source, in work Part surface forms a hot spot, in the image plane through perspective imaging to camera, can only obtain the information of a point, information content compared with It is few.Linear light pattern is to project an optical plane by linear light source, intersects to obtain a laser striation with workpiece, according to triangle original Reason, is calculated the three-dimensional information of the point on striation, information content is larger, is widely used.
In the detection of the complex free curved surfaces such as aerial blade, scanning three-D profile is generally required.And three coordinates is used to survey Amount machine measuring speed is slower, faces the problems such as marginal information is lost, precision is easily illuminated by the light condition influence again using line laser structured light. It is urgently to be resolved hurrily thus how 3-D scanning to be carried out to quick high accuracy to such workpiece.
Utility model content
For the disadvantages described above or Improvement requirement of the prior art, the purpose of this utility model is to provide a kind of aerial blades Front and rear edge cross hairs laser scanning device, wherein by the connection relation of structure and each inter-module to key component, device pair The scan mode answered is improved, it can be achieved that being swept to workpiece for measurement three-D profile based on contactless cross hairs laser measurement Retouch, can greatly improve measuring speed with respect to three coordinates, and opposite single line light, effectively improve measurement accuracy and its to illumination item Part is insensitive;In the cross hairs laser scanning device, the rotation axis axis of turntable can be parallel with Z-direction, X-axis translation Platform, Y-axis translation stage, Z axis translation stage and turntable constitute four axes motion mechanism, two intersections that two line laser gauge heads project Optical plane passes through the three-D profile of the four-axle linked realization part of X-axis translation stage, Y-axis translation stage, Z axis translation stage and turntable Scanning;Cross hairs laser scanning device in the utility model is particularly suitable for being scanned aerial blade front and rear edge, the dress The three-D profile scanning of aerial blade can be realized based on contactless cross hairs laser measurement method by setting, and speed can The cross section information for once obtaining two vertical direction avoids losing marginal information, it is ensured that the stability and precision of scanning.
To achieve the above object, according to the utility model, a kind of aerial blade front and rear edge cross line laser structured light is provided Device, which is characterized in that include the pinboard (103) above base platform and the turntable on the base platform (101), wherein
The turntable (101) for placing workpiece for measurement (102), and for drive the workpiece for measurement (102) surround with The perpendicular axis rotation of plane where the base platform upper surface;
The pinboard (103) is connected with angle adjustable pinboard (104), the angle adjustable pinboard (104) with two Line laser gauge head (105) is connected, for adjusting the distance between the two line laser gauge heads (105) and laser scanning angle; The two line laser gauge heads (105) are then used to carry out cross line laser structured light to the workpiece for measurement (102);
The pinboard (103) is then used in X-axis translation stage (111), Y-axis translation stage (106) and Z axis translation stage (107) respectively along X-axis, Y-axis and Z axis translational motion under drive, to drive the angle adjustable pinboard (104) and institute Line laser gauge head (105) is stated respectively along X-axis, Y-axis and Z axis translational motion;Two two-phase of the X-axis, the Y-axis and the Z axis It is mutually vertical;The X-axis translation stage (111), the Y-axis translation stage (106) and the Z axis translation stage (107) are respectively positioned on described The top of base platform.
As the further preferred of the utility model, the angle adjustable pinboard (104) is placed on the pinboard (103) on, which is then connected with the Z axis translation stage (107);The Z axis translation stage (107) is for driving this Pinboard (103) is along Z axis translational motion;The Z axis translation stage (107) is also mounted on the Y-axis translation stage (106), is used for Along Y-axis translational motion under the drive of the Y-axis translation stage (106);
The X-axis translation stage (111) is equipped with two parallel guide rails (109), and cross is also equipped on this two guide rails (109) Beam (110), the Y-axis translation stage (106) are fixed on the crossbeam (110), and the X-axis translation stage (111) then passes through the crossbeam (110) drive the Y-axis translation stage (106) along X-axis translational motion.
As the further preferred of the utility model, the crossbeam (110) is the shape of medium altitude groove.
As the further preferred of the utility model, the X-axis translation stage (111), the Y-axis translation stage (106) and It is respectively arranged with limit switch (108) on the Z axis translation stage (107), for preventing the line laser gauge head (105) and the rotation Platform (101) bumps against.
As the further preferred of the utility model, the line laser gauge head (105) is respectively positioned on the pinboard (103) On upper surface, the two line laser gauge heads (105) are respectively arranged at the both sides of the angle adjustable pinboard (104).
As the further preferred of the utility model, hinge (112), the hinge are additionally provided in the X-axis translation stage (111) Chain (112) is for loading connecting line.
As the further preferred of the utility model, the base platform is marble platform (113), the marble platform (113) it is additionally arranged on air supporting vibration reduction platform (114), for reducing influence of the vibration to measurement accuracy.
As the further preferred of the utility model, the X-axis translation stage (111), the Y-axis translation stage (106) and The Z axis translation stage (107) is connected with full closed loop control device.
As the further preferred of the utility model, the workpiece for measurement (102) is aerial blade.
Trigonometry principle of the utility model based on cross structured light, when the position of workpiece changes, hot spot position Setting can move in the picture that gauge head camera scans, and using the position relationship between hot spot, camera, laser three, will scheme The amount of movement of hot spot is converted into the location variation of hot spot on workpiece in piece, to obtain the one-dimensional position of hot spot subpoint on workpiece Confidence ceases, and can scan the surface information on workpiece at different height in the movement of Z axis translation stage by it, pass through the shifting of Y-axis The dynamic surface information that can be scanned at workpiece different in width, the surface that workpiece positive and negative can be scanned by the movement of turntable are believed Breath, scanning accuracy, X-axis can be improved at the suitable depth of field by the movement of X-axis by cross hairs laser displacement stylus adjustment Translation stage, Y-axis translation stage, Z axis translation stage and turntable constitute four axis, can link, can be real without manual intervention The scanning of the full-sized of existing workpiece.
X-axis translation stage is installed using two guide rail bottom of major-minor, main guide rail driving;Y-axis translation stage preferably uses guide rail module It constitutes, and using the larger crossbeam of volume as support, to improve rigidity.The structure that crossbeam preferably uses groove hollow simultaneously, with Reduce X-axis translation stage exercise load;Turntable preferably uses direct-drive motor to constitute, and has higher running accuracy;Z axis translates Platform preferably uses guide rail module to constitute, and back and beam-end be equipped with hinge fixing plate, is used for fixed hinge, while not shadow again Ring the movement of each translation stage.It is separated by a spacing by the arrangement of X-axis translation stage, Y-axis translation stage, Z axis translation stage and turntable From, and the limit opened the light to XYZ axis is limited, so that XYZ axis, turntable, marble platform is not will produce movement interference.
In general, have the above technical solutions conceived by the present invention are compared with the prior art, with following Beneficial effect:
(1) the utility model overcomes conventional contact measuring speed slow, and face light, linear light measurement accuracy are not high enough, using boat Quick high accuracy scanning may be implemented in empty blade front and rear edge cross hairs laser scanning device, and the constraint by environment is small.
(2) four axis can be jointly controlled in the utility model, by default scanning track in scanning process, be not necessarily to Manual intervention can quickly and easily complete task.
(3) position relationship between the utility model XYZ axis and turntable can be demarcated by standard ceramic cylinder, tool There is higher kinematic accuracy.
(4) the utility model uses cross hairs optical measurement techniques, and two optical plane is orthogonal and incidence angle is different, can be primary The information in both direction is obtained, marginal information loss is effectively prevented, while can facilitate and calculate curved surface normal vector, can have Effect weakens linear light, face light scanning apparatus to illumination and material sensitive issue.
(5) position between two linear light gauge heads in the utility model and angle adjustable, can improve measurement accuracy.
(6) air supporting vibration absorber is used in the utility model, can effectively completely cut off vibration, and there is higher movement essence Degree.
Description of the drawings
Fig. 1 is the axis side structure schematic diagram of the utility model.
Fig. 2 is the backsight configuration diagram of the utility model.
Fig. 3 is cross hairs laser measuring technique schematic diagram.
The meaning of each reference numeral is as follows in attached drawing:1 for object under test illustrate, 2 be the first gauge head, 3 be the second gauge head, 4 It is the second optical plane for the first optical plane, 5,6 be first camera, and 7 be second camera;101 be turntable, 102 workpieces for measurement, 103 be pinboard, and 104 be angle adjustable pinboard, and 105 be linear light gauge head (i.e. line laser gauge head, line laser displacement gauge head), 106 be Y-axis translation stage, and 107 be Z axis translation stage, and 108 be limit switch, and 109 be guide rail, and 110 be crossbeam, and 111 translate for X-axis Platform, 112 be hinge, and 113 be marble platform, and 114 be air supporting vibration reduction platform.
Specific implementation mode
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only used to explain The utility model is not used to limit the utility model.In addition, institute in the various embodiments of the present invention described below The technical characteristic being related to can be combined with each other as long as they do not conflict with each other.
The utility model is to be based on cross hairs laser measuring technique, as shown in figure 3, cross hairs optical measurement techniques are based on single line The principle of triangulation of light, two linear light gauge heads 2,3 are placed according to certain angle and position, project the optical plane of two intersections 4,5, the laser strip for generating two intersections is intersected with the object under test 1 in space, image is collected through camera 6,7.Then lead to Cross the accuracy registration of the calibration to the parameter of camera parameter and two optical planes and two images, so that it may to obtain in image Three-dimensional information on striation.
Aerial blade front and rear edge cross hairs laser scanning device in the utility model, including turntable, pacified by guide rail X-axis translation stage, Y-axis translation stage, Z axis translation stage and the two line laser gauge heads placed by certain angle of dress.It is wherein described Turntable is used for line laser gauge head to X for placing and rotating workpiece to be scanned, X-axis translation stage, Y-axis translation stage, Z axis translation stage Axis direction, Y direction and the movement of Z axis translation stage, X-direction, Y direction and Z-direction are mutually perpendicular to, the rotation of turntable Axis axis direction is preferably parallel with Z-direction, and two line laser gauge heads are placed in the both sides of angle adjustable pinboard, for measuring The three-dimensional information of point on workpiece passes through the four-axle linked realization of turntable, X-axis translation stage, Y-axis translation stage and Z axis translation stage The three-D profile of workpiece scans.
It is specific embodiment of the utility model below:
Embodiment 1
Fig. 1, Fig. 2 show a kind of aerial blade front and rear edge cross hairs laser scanning device, including marble platform 113, Turntable 101 in marble platform and X-axis translation stage 111, the crossbeam 110 and hinge being mounted on X-axis translation stage 112 (crossbeam 110 can be the hollow shape of groove, be conducive to mitigate 111 movement load of X-axis translation stage), are mounted on crossbeam Y-axis translation stage 106, be mounted on Y-axis translation stage on Z axis translation stage 117, be mounted on Z axis platform 107 on through position 103 With limit switch 108, and the line laser gauge head 105 in through position and angle adjustable pinboard 104.X-axis translation stage 111 It is moved in X direction for line laser displacement gauge head 105, Y-axis translation stage 106 is moved for line laser displacement gauge head 105 along Y-direction Dynamic, Z axis translation stage 107 is moved for line laser displacement gauge head 105 along Z-direction.
Specifically, marble platform length and width dimensions are 800mmX1200mm, it is working space above marble platform;Rotation Platform is fixed in marble platform, and DD motors, model TMN71A may be used, and repetitive positioning accuracy reaches+0.001 degree, The axis of rotating platform is demarcated by placing the standard ceramic cylinder of a diameter of 20mm on a spinstand, by being placed on rotation Workpiece on turntable can carry out 360 degree rotation, realize the scanning at the positive back side.Marble platform is placed on air supporting vibration reduction platform On, it is used for vibration damping, improves precision.
Single line laser gauge head measurement accuracy can reach 0.1 μm, be mounted on two of the angle adjustable pinboard in through position Side, is positioned that (angle adjustable pinboard 104 can adjust two lines by the hole of through position and angle adjustable pinboard both sides Angle and distance between flash ranging head 105) so that the optical plane intersection that two linear light gauge heads project.By on Z axis translation stage Guide rail movement can with line laser gauge head sliding up and down relative to marble platform face.Z axis translation stage is arranged in Y-axis translation stage Upper (Z axis translation stage can slide on Y-axis translation stage), can drive gauge head along the side Y by the movement of Y-axis translation stage upper rail To movement to measure width of the workpiece direction surface information.Y-axis is arranged by crossbeam in X-axis, and Y-axis fixes (crossbeam with crossbeam 110 110 are mounted on two parallel guide rails 109 of X-axis translation stage, and the crossbeam 110 is parallel along this two with Y-axis translation stage 106 The guide rail of setting moves), gauge head can be driven to move in X direction by the movement of X-axis upper rail, X-direction movement can be adjusted The depth of field of gauge head, to ensure the measurement accuracy of gauge head.The movement travel of X-axis Y-axis and Z axis is 300mm, 300mm and 450mm;X Axis, Y-axis and Z axis add grating scale and do closed loop system control, repeatable position precision of each axis in each axis of bringing onto load Reach precision in+4um;X-axis, Y-axis, the verticality of Z axis carry out being demarcated as 15um by laser tracker.
The preferred process that the scanning means of the present embodiment is scanned is:
Workpiece is put on turntable and is fixed, by X-axis translation stage, Y-axis translation stage, Z axis translation stage and turntable position Zero setting connects measurement sensor power supply, preset scanning track is imported in the scanning software of exploitation and is scanned;Gauge head It is scanned according to the grating scale pulse-triggered of X-axis, Y-axis and Z axis, after scanning means has moved, angle of the system automatically according to turntable The one-dimensional coordinate information of measuring point is converted to three-dimensional coordinate information by degree and the location information of grating scale triggering, so far the profile of workpiece Scanning is completed.
X-axis, Y-axis in the utility model, Z axis are mutually perpendicular to two-by-two, and both Y-axis, Z axis can be interchanged.The utility model In various components (such as line laser gauge head, full closed loop control device) commercial product can be used.
As it will be easily appreciated by one skilled in the art that the above is only the preferred embodiment of the utility model only, not To limit the utility model, any modification made within the spirit and principle of the present invention, equivalent replacement and change Into etc., it should be included within the scope of protection of this utility model.

Claims (9)

1. a kind of aerial blade front and rear edge cross hairs laser scanning device, which is characterized in that include above base platform Pinboard (103) and the turntable (101) on the base platform, wherein
The turntable (101) for placing workpiece for measurement (102), and for drive the workpiece for measurement (102) surround with it is described The perpendicular axis rotation of plane where base platform upper surface;
The pinboard (103) is connected with angle adjustable pinboard (104), which swashs with two lines Flash ranging head (105) is connected, for adjusting the distance between the two line laser gauge heads (105) and laser scanning angle;This two A line laser gauge head (105) is then used to carry out cross line laser structured light to the workpiece for measurement (102);
The pinboard (103) is then used in X-axis translation stage (111), Y-axis translation stage (106) and Z axis translation stage (107) Respectively along X-axis, Y-axis and Z axis translational motion under drive, to drive the angle adjustable pinboard (104) and the line to swash Flash ranging head (105) is respectively along X-axis, Y-axis and Z axis translational motion;The X-axis, the Y-axis and the Z axis are mutually perpendicular to two-by-two; The X-axis translation stage (111), the Y-axis translation stage (106) and the Z axis translation stage (107) are respectively positioned on the base platform Top.
2. aerial blade front and rear edge cross hairs laser scanning device as described in claim 1, which is characterized in that the angle adjustable Pinboard (104) is placed on the pinboard (103), which is then connected with the Z axis translation stage (107);Institute Z axis translation stage (107) is stated for driving the pinboard (103) along Z axis translational motion;The Z axis translation stage (107) is also mounted on On the Y-axis translation stage (106), it is used under the drive of the Y-axis translation stage (106) along Y-axis translational motion;
The X-axis translation stage (111) is equipped with two parallel guide rails (109), and crossbeam is also equipped on this two guide rails (109) (110), the Y-axis translation stage (106) is fixed on the crossbeam (110), and the X-axis translation stage (111) then passes through the crossbeam (110) drive the Y-axis translation stage (106) along X-axis translational motion.
3. aerial blade front and rear edge cross hairs laser scanning device as claimed in claim 2, which is characterized in that the crossbeam (110) it is the shape of medium altitude groove.
4. aerial blade front and rear edge cross hairs laser scanning device as described in claim 1, which is characterized in that the X-axis translation It is respectively arranged with limit switch (108) on platform (111), the Y-axis translation stage (106) and the Z axis translation stage (107), for preventing Only the line laser gauge head (105) is bumped against with the turntable (101).
5. aerial blade front and rear edge cross hairs laser scanning device as described in claim 1, which is characterized in that the line laser is surveyed Head (105) is respectively positioned on the upper surface of the pinboard (103), the two line laser gauge heads (105) be respectively arranged at it is described can The both sides of hue angle pinboard (104).
6. aerial blade front and rear edge cross hairs laser scanning device as described in claim 1, which is characterized in that flat in the X-axis Moving stage (111) is additionally provided with hinge (112), and the hinge (112) is for loading connecting line.
7. aerial blade front and rear edge cross hairs laser scanning device as described in claim 1, which is characterized in that the base platform For marble platform (113), which is additionally arranged on air supporting vibration reduction platform (114), for reducing vibration pair The influence of measurement accuracy.
8. aerial blade front and rear edge cross hairs laser scanning device as described in claim 1, which is characterized in that the X-axis translation Platform (111), the Y-axis translation stage (106) and the Z axis translation stage (107) are connected with full closed loop control device.
9. aerial blade front and rear edge cross hairs laser scanning device as described in claim 1, which is characterized in that the workpiece for measurement (102) it is aerial blade.
CN201820369689.9U 2018-03-19 2018-03-19 A kind of aerial blade front and rear edge cross hairs laser scanning device Active CN207936929U (en)

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Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109341586A (en) * 2018-11-22 2019-02-15 深圳市智信精密仪器有限公司 Non-contact 3-D measuring device and measuring method
CN109520441A (en) * 2019-01-10 2019-03-26 英特维科技(深圳)有限公司 Contour outline measuring set and its contour measuring method based on line laser
CN110375674A (en) * 2019-07-02 2019-10-25 东莞理工学院 A kind of vision detection system of precision manufactureing equipment
CN111189415A (en) * 2020-01-10 2020-05-22 华中科技大学鄂州工业技术研究院 Multifunctional three-dimensional measurement reconstruction system and method based on line structured light
CN111721234A (en) * 2020-06-22 2020-09-29 太原科技大学 Be used for internal thread line scanning formula three-dimensional scanning device
CN111811431A (en) * 2020-06-12 2020-10-23 北京天远三维科技股份有限公司 Three-dimensional scanner, three-dimensional scanning system and method
CN112362305A (en) * 2020-12-01 2021-02-12 郑州大学 Method and system for detecting front and back surfaces of valve stem
CN112362334A (en) * 2020-11-27 2021-02-12 北京永峰泰克科技有限公司 Non-contact type blade modal parameter testing device and testing method
CN112683197A (en) * 2021-01-07 2021-04-20 沈阳工业大学 High-precision complex blade rapid measuring instrument device
CN113188442A (en) * 2021-04-30 2021-07-30 哈尔滨工业大学 Multi-angle point cloud measuring tool for seat furniture and splicing method thereof
CN114018174A (en) * 2021-11-05 2022-02-08 上海科技大学 Complex curved surface profile measuring system
CN114076578A (en) * 2020-08-11 2022-02-22 律致新能源科技(上海)有限公司 Flatness detector for fuel cell reactor core
CN114918526A (en) * 2022-06-13 2022-08-19 航天工程装备(苏州)有限公司 Numerical control machine tool welding track correction system and method based on line laser scanning
CN118129055A (en) * 2024-04-30 2024-06-04 成都飞机工业(集团)有限责任公司 Line laser scanning device and scanning method for aviation part contour

Cited By (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109341586A (en) * 2018-11-22 2019-02-15 深圳市智信精密仪器有限公司 Non-contact 3-D measuring device and measuring method
CN109520441A (en) * 2019-01-10 2019-03-26 英特维科技(深圳)有限公司 Contour outline measuring set and its contour measuring method based on line laser
CN110375674A (en) * 2019-07-02 2019-10-25 东莞理工学院 A kind of vision detection system of precision manufactureing equipment
CN111189415B (en) * 2020-01-10 2021-11-09 华中科技大学鄂州工业技术研究院 Multifunctional three-dimensional measurement reconstruction system and method based on line structured light
CN111189415A (en) * 2020-01-10 2020-05-22 华中科技大学鄂州工业技术研究院 Multifunctional three-dimensional measurement reconstruction system and method based on line structured light
CN111811431A (en) * 2020-06-12 2020-10-23 北京天远三维科技股份有限公司 Three-dimensional scanner, three-dimensional scanning system and method
CN111721234A (en) * 2020-06-22 2020-09-29 太原科技大学 Be used for internal thread line scanning formula three-dimensional scanning device
CN111721234B (en) * 2020-06-22 2022-03-18 太原科技大学 Be used for internal thread line scanning formula three-dimensional scanning device
CN114076578A (en) * 2020-08-11 2022-02-22 律致新能源科技(上海)有限公司 Flatness detector for fuel cell reactor core
CN112362334A (en) * 2020-11-27 2021-02-12 北京永峰泰克科技有限公司 Non-contact type blade modal parameter testing device and testing method
CN112362305A (en) * 2020-12-01 2021-02-12 郑州大学 Method and system for detecting front and back surfaces of valve stem
CN112683197A (en) * 2021-01-07 2021-04-20 沈阳工业大学 High-precision complex blade rapid measuring instrument device
CN113188442A (en) * 2021-04-30 2021-07-30 哈尔滨工业大学 Multi-angle point cloud measuring tool for seat furniture and splicing method thereof
CN113188442B (en) * 2021-04-30 2022-03-15 哈尔滨工业大学 Multi-angle point cloud measuring tool for seat furniture and splicing method thereof
CN114018174A (en) * 2021-11-05 2022-02-08 上海科技大学 Complex curved surface profile measuring system
CN114018174B (en) * 2021-11-05 2023-08-22 上海科技大学 Complex curved surface contour measuring system
CN114918526A (en) * 2022-06-13 2022-08-19 航天工程装备(苏州)有限公司 Numerical control machine tool welding track correction system and method based on line laser scanning
CN118129055A (en) * 2024-04-30 2024-06-04 成都飞机工业(集团)有限责任公司 Line laser scanning device and scanning method for aviation part contour
CN118129055B (en) * 2024-04-30 2024-08-09 成都飞机工业(集团)有限责任公司 Line laser scanning device and scanning method for aviation part contour

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