CN2758760Y - Laser speckle nondestructive detector for tyre - Google Patents

Laser speckle nondestructive detector for tyre Download PDF

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Publication number
CN2758760Y
CN2758760Y CN 200420102848 CN200420102848U CN2758760Y CN 2758760 Y CN2758760 Y CN 2758760Y CN 200420102848 CN200420102848 CN 200420102848 CN 200420102848 U CN200420102848 U CN 200420102848U CN 2758760 Y CN2758760 Y CN 2758760Y
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CN
China
Prior art keywords
tire
detection head
door
detector
tyres
Prior art date
Application number
CN 200420102848
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Chinese (zh)
Inventor
曾启林
赵志强
谢雷
郭修芹
黄伟彬
Original Assignee
广州华工百川自控科技有限公司
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Priority to CN 200420102848 priority Critical patent/CN2758760Y/en
Application granted granted Critical
Publication of CN2758760Y publication Critical patent/CN2758760Y/en

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Abstract

The utility model discloses a laser speckle non-destructive detector for tyres. A laser speckle detecting head which can move vertically, horizontally and rotationally is connected in a detecting chamber provided with a vacuum device through a moving mechanism of the detection head, an automatic positioning device of the tyres is arranged below the detecting head, wherein the automatic positioning device of the tyres is used for supporting and positioning the tyres, and a door which can be opened and closed is arranged on the side wall of the detecting chamber. The detector is mainly applied to detect the internal defects of tyre products, is especially suitable for the detection of radial wire tyres, can be applied to the quality detection of other fields of spaceflight industry, etc., and can be applied to the continuous operation of production lines. The utility model has the advantage of simple structure, no need of enormous vibration-proof devices, no need of a large amount of consumable materials, practical and compact automatic mounting (dismounting) devices for the tyres, low detecting cost, real time display of detecting results, wholly non-contact and non-destruction and high detecting efficiency for the tyres, can detect any positions of the tyres, and can automatically recognize the positions and the size of defects.

Description

The laser speckle tire nondestructive testing instrument
Technical field
The utility model belongs to the laser Dynamic Non-Destruction Measurement, particularly a kind of laser speckle tire nondestructive testing instrument.
Background technology
Laser hologram Dynamic Non-Destruction Measurement and laser speckle tire detection technique all belong to the application of laser technology in tire Non-Destructive Testing field.Laser holography is applied in the history of existing more than ten years in the tire Dynamic Non-Destruction Measurement, this technology all grows a lot at aspects such as tire checking theory, technology, holographic recording medium, interferogram reproduction, defective formulations, and in production testing, be successfully applied among the quality testing of aircraft tyre, aircraft tyre closes the pattern standard of aviation retreads and formulates and issue and implement.Laser hologram tire nondestructive testing instrument is used relevant laser instrument and is made light source, the holographic dry plate medium of noting down, on the shockproof platform of strictness, by the laser holographic interferometry light path, use the vacuum load means tire is detected, phase place and light intensity before and after tire loads just are recorded on the holographic dry plate, form holographic interference pattern, holographic dry plate just can be observed the distortion interferogram of tire through development, photographic fixing, washing, the air-dry reproduction afterwards under the laser reconstruction system.The limitation of laser hologram tire nondestructive testing instrument is to adopt the holographic dry plate medium of noting down, the processing of dry plate is bothered very much, time-consuming and inconvenient, testing result seriously lags behind, simultaneously, because holographic interference technique is very strict to shockproof requirement, need set up huge shockproof platform, making this detector can not be applied to carry out on the production line timing detects, and can only be positioned over the laboratory product is detected, it is big that the production testing application is subjected to such environmental effects, and not promoting the use of of this detector extensively launched.Another patent application of the applicant (Chinese patent application numbers 200410052185.7, denomination of invention is laser speckle detection head and application thereof) in a kind of laser speckle detection head is disclosed, but also do not utilize this detection head tire to be carried out the detector of Non-Destructive Testing at present.At present, the industrial laser speckle tire nondestructive testing instrument that does not also have integral body.
The utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of laser speckle tire nondestructive testing instrument is provided.This detector can solve and detect the technical matters that tire efficient is low, can not be applied to production line, testing result hysteresis; Also can detect any position of whole piece tire, the position and the size of defect recognition need not anti-shock system automatically.
The purpose of this utility model realizes by following proposal: the laser speckle tire nondestructive testing instrument, it is characterized in that: in being provided with the sensing chamber of vacuum plant, by the detection head motion be connected with one can be vertically, level and the laser speckle detection head that rotatablely moves; Below detection head, be the tire automatic positioning equipment that is used to carry and locate tire; On sensing chamber's sidewall, door to be opened/closed is arranged.
In order to realize into tire, to go out the tire robotization, on the two lateral walls of described sensing chamber, can have one to be opened/closedly to advance that tire door and one are to be opened/closed to go out the tire door respectively, two respectively with advance the tire conveying belt and go out the tire conveying belt mutually opposed.
Described detection head motion comprises the detection head connecting link and the horizontal mobile mechanism that is connected with connecting link, vertical movement mechanism, rotational motion mechanism that is connected with detection head; The detection head motion is fixed on the sensing chamber top by main beam.
Described rotational motion mechanism comprises rotary drive motor, swing pinion, rotary connector, horizontal mobile mechanism comprises and moves horizontally the linear bearing pair, move horizontally crossbeam, move horizontally drive motor, vertical movement mechanism comprises vertical moving linear bearing pair, the vertical moving drive motor, the vertical moving slideway; Main beam is fixed on the sensing chamber top, rotary connector links to each other with main beam, rotary drive motor and swing pinion respectively, the vertical moving drive motor links to each other with rotary connector with worm reduction gear, the detection head connecting link respectively with the laser speckle detection head, move horizontally crossbeam and link to each other, move horizontally the linear bearing pair and move horizontally crossbeam and link to each other, vertical moving linear bearing pair with move horizontally crossbeam and link to each other.
Described tire automatic positioning equipment can comprise the detecting head that is used to measure diameter of tyres and be used to carry and the indoor conveying belt of mobile tyre, detecting head moves by the indoor conveying belt of computer program-driven after recording diameter of tyres, thereby makes tire be positioned central authorities of sensing chamber.
Described laser speckle detection head can be selected disclosed laser speckle detection head in the patent application of application number 200410052185.7 for use, it comprises detection head casing, semiconductor laser, photoelectric commutator, optical lens and shear mirror, it is characterized in that semiconductor laser and photoelectric commutator are fixed on the detection head chassis base; One beam expanding lens is arranged before the semiconductor laser, and beam expanding lens and semiconductor laser are linked to be and are one; Semiconductor laser and beam expanding lens are positioned on the same optical axis, and photoelectric commutator, optical lens, shear mirror are linked to be an integral body, and photoelectric commutator and optical lens and shear mirror are positioned on the same optical axis; Angle between semiconductor laser and photoelectric commutator two optical axises is 2~20 °.
Describedly advance the tire door or go out the tire door can comprise fixed head, cylinder, door-plate, caulking gum, connector, be connected and fixed piece and rotating shaft, cylinder is connected with fixed head, door-plate respectively by connector, there is a caulking gum at the door-plate edge, door-plate by be connected and fixed piece, rotating shaft is connected with sensing chamber.
Describedly advance tire conveying belt, indoor conveying belt and go out the tire conveying belt on same surface level.
Describedly be used to drive moving horizontally that the detection head connecting link moves horizontally linear bearing is secondary to be connected with the horizontal synchronization band; Be used to drive that the vertical moving linear bearing of horizontal mobile mechanism and laser speckle detection head vertical moving is secondary is connected with the roller screw, the roller nut sleeve is on the roller screw mandrel.
The action principle of laser speckle tire lossless detection method of the present utility model is: adopt laser speckle technique, phase change between after the relevant striped that utilizes tire to produce the interference speckle field after Stimulated Light is shone detects the twin-beam wavefront, application phase is moved technology, measure tire surface deformation amount, testing result is not influenced by the tire rigid motion, reliable and stable, use photoelectrical coupler CCD as recording medium, make the speckle field image recording on photoelectrical coupler, use photoelectric conversion technique light signal is converted to electric signal, carry out image processing and analyzing by image pick-up card, the testing result of inside tires defective is presented on the computer screen.
The laser speckle tire nondestructive testing instrument can detect tire product (as doughnut, aero tyre) inherent vice (defective is mainly bubble, delamination etc.), be specially adapted to the detection of radial wire cord tire, also can be applicable in the quality testing of other field such as space flight industry.
The relative prior art of the utility model has following advantage and effect: the laser speckle tire nondestructive testing instrument is simple in structure, need not vibration abatement, need not a large amount of consumptive materials, the detection cost is low, automaticity is high, testing result shows in real time, whole audience noncontact is harmless, can detect any position of tire, the automatically position and the size of defect recognition, detect tire efficient height, can be applicable to production line and work continuously.
Description of drawings
Fig. 1 is the structural representation of laser speckle tire nondestructive testing instrument.
Fig. 2 is the structural representation of detection head motion.
Fig. 3 is the side-looking structural representation of detection head motion.
Fig. 4 is the structural representation of tire door (or going out the tire door) into.
Fig. 5 is the structural representation of automatic tyre mounting device (or descending device of tyre automatically).
Fig. 6 is the structural representation of laser speckle detection head.
Fig. 7 is the structural representation of the detection head casing of laser speckle detection head.
Embodiment
Below in conjunction with embodiment and accompanying drawing the utility model is described in further detail, but embodiment of the present utility model is not limited thereto.
Embodiment 1
As Fig. 1, Fig. 2, shown in Figure 3, laser speckle tire nondestructive testing instrument of the present utility model comprises sensing chamber 14, vacuum plant 15, and main beam 7, detection head motion 23, tire automatic positioning equipment B advances tire door 11 and goes out tire door 17; Detection head motion structure 23 comprises laser speckle detection head A, detection head connecting link 24, and rotational motion mechanism, vertical movement mechanism, horizontal mobile mechanism, rotational motion mechanism comprise rotary drive motor 8, swing pinion 9, rotary connector 27; Horizontal mobile mechanism comprises and moves horizontally linear bearing pair 2, moves horizontally crossbeam 3, moves horizontally drive motor 4; Vertical movement mechanism comprises vertical moving linear bearing pair 5, vertical moving drive motor 6, vertical moving slideway 26; Detection head motion 23 is fixed on sensing chamber's 14 crown centers by main beam 7, rotary connector 27 respectively with main beam 7, rotary drive motor 8 links to each other with swing pinion 9, vertical moving drive motor 6 links to each other with rotary connector 27 with worm reduction gear 20, detection head connecting link 24 respectively with laser speckle detection head A, moving horizontally crossbeam 3 links to each other, move horizontally the linear bearing pair and move horizontally crossbeam and link to each other, laser speckle detection head A is connected with detection head connecting link 24 with screw and is fixing, detection head connecting link 24 is moving horizontally crossbeam 3 times, drive by horizontal synchronization band 25 can move horizontally, and horizontal synchronization band 25 drives by moving horizontally drive motor 4.Moving horizontally crossbeam 3 is connected and fixed with vertical moving linear bearing pair 5 usefulness screws, vertical moving linear bearing pair 5 is slided on vertical moving slideway 26, vertical moving linear bearing secondary 5 is fixedlyed connected with roller screw 21, roller screw 21 is enclosed within on the roller screw mandrel 22, roller screw mandrel 22 rotates drive vertical moving linear bearing pair 5 and moves up and down, and the power of roller screw mandrel 22 passes through worm reduction gear 20 transmissions from vertical moving drive motor 6.Rotary drive motor 8 driven in rotation gears 9 driven rotary connectors 27 can be done 360 degree rotations, drive this detection head motion 23 and rotatablely move; Vertical drive motor 6 drives worm reduction gear 20 and drives vertical moving linear bearing pair 5 drive horizontal mobile mechanism and laser speckle detection head A vertical movement up and down on vertical moving slideway 26; Moving horizontally drive motor 4 drives and moves horizontally linear bearing pair 2 and drive laser speckle detection head A on the crossbeam 3 and move horizontally moving horizontally.Vacuum plant 15 is arranged at sensing chamber 14 tops, and vacuum plant is the steelframe mount structure; There is into tire door 11 sensing chamber 14 both sides and goes out tire door 17, advance tire door 11 in sensing chamber 14 both sides and go out a tire automatic positioning equipment B is respectively arranged on the tire door 17, tire automatic positioning equipment B comprises the detecting head B1 that is used to measure diameter of tyres and is used to carry and the indoor conveying belt B2 of mobile tyre, detecting head B1 moves by the indoor conveying belt B2 of computer program-driven after recording diameter of tyres, thereby makes tire 13 be positioned 14 central authorities of sensing chamber.Advancing tire door 11 sides has into tire conveying belt 10, and going out tire door 17 sides has the tire of going out conveying belt 18.Advance tire conveying belt 10, go out in tire conveying belt 18 and the sensing chamber conveying belt B2 on same surface level, advance tire conveying belt 10 with sensing chamber 14, go out tire conveying belt 18 and the 14 spacing 20mm of sensing chamber.
Embodiment 2
This embodiment explanation is into and out of the structure of tire door.The concrete structure that advances tire door 11 and go out tire door 17 of the present utility model as shown in Figure 4, advance tire door 11 and to go out tire door 17 structures identical, comprise fixed head 42, cylinder 36, door-plate 40, caulking gum 41, connector 35, connector 39, be connected and fixed piece 37 and rotating shaft 38, cylinder 36 is connected with fixed head 42, door-plate 40 by connector 35, connector 39, one caulking gum is arranged on the door-plate edge, door-plate 40 by be connected and fixed piece 37, rotating shaft 38 is connected with sensing chamber 14.
When tire 13 entered sensing chamber 14, computer control cylinder 36 shrank, and door-plate 40 is opened, and advances tire door 11 and opens; Tire 13 enters sensing chamber 14, and after computer control cylinder 36 was upheld, door-plate 40 overlapped sealing with sensing chamber, advance tire door 11 and shut.
Embodiment 3
This embodiment explanation is into and out of the structure of tire conveying belt mechanism.Of the present utility modelly advance tire conveying belt 10 and go out tire conveying belt 18 concrete structures as shown in Figure 5, advance tire conveying belt 10 and to go out tire conveying belt 18 structures identical, comprise roller 28, motor 29 and speed reduction unit 30, conveying belt 31, support 32, motor 29 links to each other with speed reduction unit 30, roller 28 links to each other with conveying belt 31, and motor 29 drives speed reduction unit 30, and speed reduction unit 30 drives roller 28 and drives conveying belt 31, this speed reduction unit 30 drives roller 28 power transmission and can adopt sprocket wheel and chain, also can adopt synchronous band.
Tire 13 is positioned on the conveying belt 31 of tire conveying belt 10 into, motor 29 drives speed reduction units 30, and speed reduction unit 30 drives rollers 28 and drives conveying belt 31, tire 13 is transported to into tire door 11 is other, and automatic transport is gone into sensing chamber 14.
Embodiment 4
This embodiment illustrates the structure of detection head A.As Fig. 6, shown in Figure 7, laser speckle detection head A is by the detection head casing, semiconductor laser A1, photoelectric commutator A7, optical lens A6 and shear mirror A4, beam expanding lens A3 forms, the detection head casing is by detection head side plate A2, detection head front window A5, detection head upper plate A8, detection head base A9 forms, on detection head front window A5, two holes are arranged, hole A11 is the laser radiation hole, hole A12 is an imaging hole, semiconductor laser A1 and photoelectric commutator A7 are fixed on the detection head chassis base A9 with screw rod and the fixed orifice that is arranged on chassis base, beam expanding lens A3 and semiconductor laser A1 are in aggregates, and semiconductor laser A1 and beam expanding lens A3 are positioned on the same optical axis.Photoelectric commutator A7, optical lens A6, shear mirror A4 are linked to be an integral body, shear mirror A4 is fixed on threaded outer putting and is enclosed within on the optical lens A6, optical lens A6 is connected with shear mirror A4 with adapter ring, photoelectric commutator A7 and optical lens A6 and shear mirror A4 are positioned on the same optical axis, and the angle between semiconductor laser A1 and photoelectric commutator A7 two optical axises is 10 °.
Embodiment 5
The concrete processing step that utilizes this laser speckle tire nondestructive testing instrument to carry out Non-Destructive Testing is:
Tire 13 is positioned on the conveying belt 31 of tire conveying belt 10 into, that opens sensing chamber 14 advances tire door 11, tire 13 is delivered in the sensing chamber in the sensing chamber 14 on the conveying belt B2 by the conveying belt 31 that advances the tire conveying belt, the detecting head B1 of tire automatic positioning equipment B moves by the indoor conveying belt B2 of computer program-driven after recording diameter of tyres, thereby makes tire 13 be positioned 14 central authorities of sensing chamber.According to the tire specification size, detection head motion 23 levels, vertical direction move drive laser speckle detection head A and move to tire 13 middle parts, tire 13 is positioned at the center of laser speckle detection head A, tire 13 centers are overlapped with the center of laser speckle detection head A.To take turns tyre bead 360 degree and be separated into 12 sectors, laser speckle detection head A detects respectively tire 13 each sector.Vacuum plant 15 in the sensing chamber 14 begins to vacuumize, after exhausting vacuum, laser speckle detection head A detects shooting to the tire 13 inside surfaces first sector part, after image pickup after the 13 vacuum deformation of acquisition tire is finished, vacuum plant 15 is put into atmosphere and is entered sensing chamber 14, make sensing chamber's 14 internal gas pressures reach normal pressure, at this moment, laser speckle detection head A carries out detecting the second time shooting to the tire 13 inside surfaces first sector part, shooting obtains the normal image of tire, and computing machine carries out Treatment Analysis with twice image.If handling the back image is normal speckle pattern, illustrate that this tire is normal, unusual interference fringe appears if handle the speckle pattern of rear tyre, this inside tires defectiveness is described.Tire to clapping in can not carrying out can move to laser speckle detection head A tire 13 outsides and detect.The bat mode detects tire in general the employing, because of tire inner surface comparatively smooth and have can light harvesting radian, the mode of bat outside the employing just under the situation of during can't carrying out, clapping only.
Drive laser speckle detection head A rotation by rotatablely moving of detection head motion 23, the second sector part of tire 13 inside surfaces is detected, repeat above-mentioned detection step.Laser speckle detection head A rotates successively, inside surface to whole tire 13 detects, after all having detected, laser speckle detection head A rises to the top of tire 13, open out tire door 17, tire 13 conveying belt B2 in the sensing chamber is transported to out on the tire conveying belt 18, so far finishes the detection of a tires.Simultaneously, another tires is placed on on the tire conveying belt 10, carries out new one and take turns detection.
Because adopt phase-shifting technique, testing result is not subjected to the influence of tire rigid motion, so detector need not vibration abatement, detector can be installed on the tire production line, finished tire is detected, and testing result shows in real time, can judge the quality of tire.

Claims (9)

1, a kind of laser speckle tire nondestructive testing instrument is characterized in that: in being provided with the sensing chamber of vacuum plant, by the detection head motion be connected with one can be vertically, level and the laser speckle detection head that rotatablely moves; Below detection head, be the tire automatic positioning equipment that is used to carry and locate tire; On sensing chamber's sidewall, door to be opened/closed is arranged.
2, detector according to claim 1 is characterized in that: on the two lateral walls of described sensing chamber, have one to be opened/closedly to advance that tire door and one are to be opened/closed to go out the tire door respectively, two respectively with advance the tire conveying belt and go out the tire conveying belt mutually opposed.
3, detector according to claim 1 and 2 is characterized in that: described detection head motion comprises the detection head connecting link and the horizontal mobile mechanism that is connected with connecting link, vertical movement mechanism, rotational motion mechanism that is connected with detection head; The detection head motion is fixed on the sensing chamber top by main beam.
4, detector according to claim 3, it is characterized in that: described rotational motion mechanism comprises rotary drive motor, swing pinion, rotary connector, horizontal mobile mechanism comprise and move horizontally the linear bearing pair, move horizontally crossbeam, move horizontally drive motor, vertical movement mechanism comprises vertical moving linear bearing pair, vertical moving drive motor, vertical moving slideway; Main beam is fixed on the sensing chamber top, rotary connector links to each other with main beam, rotary drive motor and swing pinion respectively, the vertical moving drive motor links to each other with rotary connector with worm reduction gear, the detection head connecting link respectively with the laser speckle detection head, move horizontally crossbeam and link to each other, move horizontally the linear bearing pair and move horizontally crossbeam and link to each other, vertical moving linear bearing pair with move horizontally crossbeam and link to each other.
5, detector according to claim 1 and 2 is characterized in that: described tire automatic positioning equipment comprises the detecting head that is used to measure diameter of tyres and is used to carry and the indoor conveying belt of mobile tyre.
6, detector according to claim 1, it is characterized in that: described laser speckle detection head comprises detection head casing, semiconductor laser, photoelectric commutator, optical lens and shear mirror, and semiconductor laser and photoelectric commutator are fixed on the detection head chassis base; One beam expanding lens is arranged before the semiconductor laser, and beam expanding lens and semiconductor laser are linked to be and are one; Semiconductor laser and beam expanding lens are positioned on the same optical axis, and photoelectric commutator, optical lens, shear mirror are linked to be an integral body, and photoelectric commutator and optical lens and shear mirror are positioned on the same optical axis; Angle between semiconductor laser and photoelectric commutator two optical axises is 2~20 °.
7, detector according to claim 1, it is characterized in that: describedly advance the tire door or go out the tire door to comprise fixed head, cylinder, door-plate, caulking gum, connector, be connected and fixed piece and rotating shaft, cylinder is connected with fixed head, door-plate respectively by connector, there is a caulking gum at the door-plate edge, door-plate by be connected and fixed piece, rotating shaft is connected with sensing chamber.
8, according to the detector of claim described 1, it is characterized in that: describedly advance tire output band, indoor conveying belt and go out the tire conveying belt on same surface level.
9, according to the detector of claim described 1, it is characterized in that: describedly be used to drive moving horizontally that the detection head connecting link moves horizontally linear bearing is secondary to be connected with the horizontal synchronization band; Be used to drive that the vertical moving linear bearing of horizontal mobile mechanism and laser speckle detection head vertical moving is secondary is connected with the roller screw, the roller nut sleeve is on the roller screw mandrel.
CN 200420102848 2004-12-22 2004-12-22 Laser speckle nondestructive detector for tyre CN2758760Y (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100538346C (en) * 2004-12-22 2009-09-09 广州华工百川科技股份有限公司 Laser speckle tire nondestructive testing instrument and utilize it to carry out the method for Non-Destructive Testing
CN102313749A (en) * 2010-06-30 2012-01-11 软控股份有限公司 Laser speckle detection device and method for tire of engineering machine
CN103189731A (en) * 2010-09-14 2013-07-03 米其林集团总公司 Tire inner liner anomaly probe grounding apparatus and method
CN104007118A (en) * 2014-04-29 2014-08-27 雄华机械(苏州)有限公司 Cylindrical appearance inspection device limiting cylinder body to freely rotate
CN104990504A (en) * 2015-07-23 2015-10-21 苏州卫生职业技术学院 Multi-axis linkage type camera shooting detection mechanism
CN106248683A (en) * 2016-07-29 2016-12-21 桐城运城制版有限公司 A kind of roller cassette detection mechanism
CN107271448A (en) * 2010-11-25 2017-10-20 东洋橡胶工业株式会社 Lighting device and tyre detection device
CN108204950A (en) * 2017-12-29 2018-06-26 杭州清本科技有限公司 Multiple carrier-borne aircraft tires are carried out at the same time lossless laser hologram detecting system
CN108982545A (en) * 2018-07-24 2018-12-11 苏州光图智能科技有限公司 A kind of tire appearance detection method
CN111185781A (en) * 2020-01-09 2020-05-22 东莞亿诚精密模具有限公司 Special jig and method for machining ball head striking surface of rotary platform machine tool

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100538346C (en) * 2004-12-22 2009-09-09 广州华工百川科技股份有限公司 Laser speckle tire nondestructive testing instrument and utilize it to carry out the method for Non-Destructive Testing
CN102313749B (en) * 2010-06-30 2013-03-06 软控股份有限公司 Laser speckle detection device and method for tire of engineering machine
CN102313749A (en) * 2010-06-30 2012-01-11 软控股份有限公司 Laser speckle detection device and method for tire of engineering machine
CN103189731B (en) * 2010-09-14 2016-01-20 米其林集团总公司 Tire flap abnormal probe earthing device and method
CN103189731A (en) * 2010-09-14 2013-07-03 米其林集团总公司 Tire inner liner anomaly probe grounding apparatus and method
CN107271448B (en) * 2010-11-25 2020-01-07 通伊欧轮胎株式会社 Tire detection device
CN107271448A (en) * 2010-11-25 2017-10-20 东洋橡胶工业株式会社 Lighting device and tyre detection device
CN104007118A (en) * 2014-04-29 2014-08-27 雄华机械(苏州)有限公司 Cylindrical appearance inspection device limiting cylinder body to freely rotate
CN104007118B (en) * 2014-04-29 2016-09-07 雄华机械(苏州)有限公司 A kind of cylinder body that limits rotates cylindrical shape appearance detection device freely
CN104990504A (en) * 2015-07-23 2015-10-21 苏州卫生职业技术学院 Multi-axis linkage type camera shooting detection mechanism
CN106248683A (en) * 2016-07-29 2016-12-21 桐城运城制版有限公司 A kind of roller cassette detection mechanism
CN108204950A (en) * 2017-12-29 2018-06-26 杭州清本科技有限公司 Multiple carrier-borne aircraft tires are carried out at the same time lossless laser hologram detecting system
CN108982545A (en) * 2018-07-24 2018-12-11 苏州光图智能科技有限公司 A kind of tire appearance detection method
CN111185781A (en) * 2020-01-09 2020-05-22 东莞亿诚精密模具有限公司 Special jig and method for machining ball head striking surface of rotary platform machine tool

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Owner name: GUANGZHOU HUAGONG BAICHUAN SCIENCE CO., LTD.

Free format text: FORMER NAME OR ADDRESS: GUANGZHOU SCUT BESTRY AUTO CO., LTD.

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Address after: W201 room 510640 Guangdong city of Guangzhou province Tianhe District Wushan South China University of Technology National University Science and Technology Park Building

Patentee after: Guangzhou SCUT Bestry Sci-Tech Ltd.

Address before: The east side of building 4, 510640 Guangdong city of Guangzhou province Tianhe District Wushan District Industrial College of South China University of Technology

Patentee before: Huagong Baichuan Self-Control Tech Co., Ltd, Guangzhou

PE01 Entry into force of the registration of the contract for pledge of patent right

Denomination of utility model: Laser speckle tire non-destructive detector and non-destructive testing method utilizing the same

Effective date of registration: 20111215

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