CN102636504B - Rim detection device and detection method - Google Patents
Rim detection device and detection method Download PDFInfo
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- CN102636504B CN102636504B CN201210110664.4A CN201210110664A CN102636504B CN 102636504 B CN102636504 B CN 102636504B CN 201210110664 A CN201210110664 A CN 201210110664A CN 102636504 B CN102636504 B CN 102636504B
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- wheel rim
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Abstract
The invention discloses a rim detection device which comprises a clamp rotation mechanism, a linear array ray detector, an X-ray source and an adjustment mechanism for adjusting the height of the linear array ray detector, wherein the adjustment mechanism is arranged at one end of the clamp rotation mechanism through a fixing plate; the linear array ray detector is fixedly mounted on the adjustment mechanism and located right above the clamp rotation mechanism; and the X-ray source is mounted below the clamp rotation mechanism and corresponds to the linear array ray detector. The invention also discloses a detection method using the device. Through the detection device, the rim of the wheel is subjected to rotation detection, and the acquired data is processed by a computer so as to form a complete circumference image of the rim spoke surface and a complete expanded image of the contour surface and achieve the aim of avoiding omission while realizing high-efficiency finish of detection; and meanwhile, the detection mechanism has a simple structure and is convenient to mount and use.
Description
Technical field
The present invention relates to automobile detection field, particularly, relating to a kind of device for detecting wheel rim and detection method.
Background technology
Wheel rim is the main security parts of vehicle, needs the internal soundness of carrying out 100% to detect in production.Existing detection method is X ray Real-time Imaging method, adopts face array ray detector to carry out multi-angle transillumination, subregion repeatedly image checking to wheel rim, then assesses the serializing detected image produced.The detection efficiency of the method is low, equipment forms complexity, it is undetected easily to cause.
Summary of the invention
The object of the invention is to, for the problems referred to above, proposing a kind of device for detecting wheel rim and detection method, to provide a kind of structure simple testing equipment, and realizing high efficient detection, and avoiding undetected object.
For achieving the above object, the technical solution used in the present invention is:
A kind of device for detecting wheel rim, comprise clamping and rotating system, linear array ray detector, x-ray source and the governor motion for adjusting linear array ray detector height, described governor motion is arranged on one end of clamping and rotating system by fixed head, described linear array ray detector is packed on this governor motion, and be positioned at directly over clamping and rotating system, described x-ray source is installed on the below of clamping and rotating system, and corresponding with linear array ray detector.
According to a preferred embodiment of the invention, described clamping and rotating system comprises swiveling wheel, support, linear motion unit, motor, described two groups of linear motion units are installed on support, under the driving of motor, driven rotary wheel does move toward one another on linear motion unit, and described motor drives swiveling wheel to rotate.
According to a preferred embodiment of the invention, described governor motion is arranged on the swiveling wheel of clamping and rotating system by fixed head, and the distance between this governor motion and swiveling wheel is adjustable.
A kind of detection method is provided simultaneously, comprises the following steps:
Wheel rim, by roller conveyor, is transported on clamping and rotating system;
After optoelectronic switch detects that above-mentioned wheel rim arrives surveyed area, wheel rim holds up by above-mentioned clamping and rotating system, and its linear motion unit is driven rotary wheel move toward one another under the driving of motor, is clamped in by wheel rim between swiveling wheel and swiveling wheel;
Above-mentioned swiveling wheel, under the driving of motor, drives above-mentioned wheel rim to rotate, and this wheel rim drives swiveling wheel to rotate;
X-ray source launches X ray, and the perspective image data in spoke face and contoured surface scanning area that linear array ray detector exports above-mentioned wheel rim after overexposure is to computing machine;
Described computing machine draws straight line with center, above-mentioned spoke face to pixel count corresponding to cylindrical for radius and the gray-scale value of each pixel is placed to each point on this straight line, form a radius scan image in spoke face, simultaneously with pixel count corresponding to wheel rim height for height or width draw straight line, and the gray-scale value of each pixel is placed to each point on this straight line, form a column scan image of contoured surface, wheel rim is rotated a circle and carries out continuous sampling, the full circumferences image in this rim and spoke face and the complete unfolded image of contoured surface can be generated.
Technical scheme of the present invention, by providing pick-up unit, carry out rotation to wheel rim to detect, and by computing machine, the data gathered are processed, thus form the full circumferences image in rim and spoke face and the complete unfolded image of contoured surface, when high efficiency complete detection, reach and avoid undetected object, this testing agency's structure is simple simultaneously, is convenient to install and use.
Other features and advantages of the present invention will be set forth in the following description, and, partly become apparent from instructions, or understand by implementing the present invention.Object of the present invention and other advantages realize by structure specifically noted in write instructions, claims and accompanying drawing and obtain.
Below by drawings and Examples, technical scheme of the present invention is described in further detail.
Accompanying drawing explanation
Accompanying drawing is used to provide a further understanding of the present invention, and forms a part for instructions, together with embodiments of the present invention for explaining the present invention, is not construed as limiting the invention.In the accompanying drawings:
Fig. 1 is the structural representation of the device for detecting wheel rim described in the embodiment of the present invention;
Fig. 2 is the structural representation of clamping and rotating system in Fig. 1.
By reference to the accompanying drawings, in the embodiment of the present invention, Reference numeral is as follows:
1-wheel rim; 2-linear array ray detector; 3-roller conveyor; 4-clamping and rotating system; 5-X radiographic source; 6-governor motion; 7-linear motion unit; 8,12-motor; 9,10-swiveling wheel; 11-support; 13-fixed head.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described, should be appreciated that preferred embodiment described herein is only for instruction and explanation of the present invention, is not intended to limit the present invention.
As shown in Figure 1 and Figure 2, a kind of device for detecting wheel rim, comprise clamping and rotating system 4, linear array ray detector 2, x-ray source 5 and the governor motion 6 for adjusting linear array ray detector 2 height, governor motion 6 is arranged on one end of clamping and rotating system 4 by fixed head 13, linear array ray detector 2 is packed on this governor motion 6, linear array ray detector 2 adopts L-type structure, and be positioned at directly over clamping and rotating system 4, x-ray source 5 is installed on the below of clamping and rotating system 4, and corresponding with L-type linear array ray detector.X-ray source 5 is arranged on the below in clamping and rotating system 4 and roller conveyor 3 centre.
Wherein clamping and rotating system 4 comprises swiveling wheel 9,10, support 11, linear motion unit 7, motor 8,12, two groups of linear motion units 7 are installed on support 11, driven rotary wheel 9 under the driving of motor 8,10 do move toward one another on linear motion unit 7, and motor 12 drives swiveling wheel 9 to rotate.Governor motion 6 is arranged on the swiveling wheel 9 of clamping and rotating system by fixed head 13, and the distance between this governor motion 6 and swiveling wheel 9 is adjustable.
Its detection method be wheel rim 1 by roller conveyor 3, be transported on clamping and rotating system;
After optoelectronic switch detects that wheel rim 1 arrives surveyed area, wheel rim 1 holds up by clamping and rotating system 4, and its linear motion unit 7 is driven rotary wheel 9,10 move toward one another under the driving of motor 8, are clamped in by wheel rim 1 between swiveling wheel 9 and swiveling wheel 10;
Swiveling wheel 9, under the driving of motor 12, drives wheel rim 1 to rotate, and this wheel rim 1 driven rotary wheel 10 rotates;
X-ray source 5 launches X ray, and the perspective image data in spoke face and contoured surface scanning area that L-type linear array ray detector exports wheel rim 1 after overexposure is to computing machine;
Computing machine draws straight line with center, spoke face to pixel count corresponding to cylindrical for radius and the gray-scale value of each pixel is placed to each point on this straight line, form a radius scan image in spoke face, simultaneously with pixel count corresponding to wheel rim height for height or width draw straight line, and the gray-scale value of each pixel is placed to each point on this straight line, form row or a line-scanning image of contoured surface, wheel rim 1 is rotated a circle and carries out continuous sampling, the full circumferences image in this wheel rim 1 spoke face and the complete unfolded image of contoured surface can be generated.
Be detected as complete, swiveling wheel 9,10 counter motion of clamping and rotating system is unclamped and is detected wheel rim 1, and wheel rim 1 is reapposed on roller conveyor 3 and exits, and roller conveyor 3 sends next wheel rim to be checked to.
Last it is noted that the foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, although with reference to previous embodiment to invention has been detailed description, for a person skilled in the art, it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature.Within the spirit and principles in the present invention all, any amendment done, equivalent replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (2)
1. one kind for detecting the device of wheel rim, it is characterized in that, comprise clamping and rotating system (4), linear array ray detector (2), X radiographic source (5) and the governor motion (6) for adjusting linear array ray detector (2) height, described governor motion (6) is arranged on one end of clamping and rotating system (4) by fixed head (13), described linear array ray detector (2) is packed on this governor motion (6), and be positioned at directly over clamping and rotating system (4), described X radiographic source (5) is installed on the below of clamping and rotating system (4), and it is corresponding with linear array ray detector (2),
Described clamping and rotating system (4) comprises the first swiveling wheel (9), the second swiveling wheel (10), support (11), linear motion unit (7), the first motor (8) and the second motor (12), linear motion unit (7) described in two groups is installed on support (11), under the driving of the first motor (8), drive first swiveling wheel (9) and the second swiveling wheel (10) do move toward one another on linear motion unit, and described second motor (12) drives the first swiveling wheel (9) to rotate;
Utilizing this for detecting the detection method of the device of wheel rim, comprising the following steps:
Wheel rim (1), by roller conveyor (3), is transported on clamping and rotating system;
After optoelectronic switch detects that wheel rim (1) arrives surveyed area, wheel rim (1) holds up by clamping and rotating system (4), its linear motion unit (7) is drive first swiveling wheel (9) and the second swiveling wheel (10) move toward one another under the driving of the first motor (8), is clamped in by wheel rim (1) between the first swiveling wheel (9) and the second swiveling wheel (10);
First swiveling wheel (9) is under the driving of the second motor (12), and drive wheel rim (1) to rotate, this wheel rim (1) drives the second swiveling wheel (10) to rotate;
X radiographic source (5) launches X ray, and the perspective image data in spoke face and contoured surface scanning area that linear array ray detector (2) exports wheel rim (1) after overexposure is to computing machine;
Described computing machine draws straight line with center, spoke face to pixel count corresponding to cylindrical for radius and the gray-scale value of each pixel is placed to each point on this straight line, form a radius scan image in spoke face, simultaneously with pixel count corresponding to wheel rim height for height or width draw straight line, and the gray-scale value of each pixel is placed to each point on this straight line, form a column scan image of contoured surface, wheel rim (1) is rotated a circle and carries out continuous sampling, the full circumferences image in this wheel rim (1) spoke face and the complete unfolded image of contoured surface can be generated.
2. the device for detecting wheel rim according to claim 1, it is characterized in that, described governor motion (6) is arranged on first swiveling wheel (9) of clamping and rotating system (4) by fixed head (13), and the distance between this governor motion (6) and the first swiveling wheel (9) is adjustable.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210110664.4A CN102636504B (en) | 2012-04-16 | 2012-04-16 | Rim detection device and detection method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210110664.4A CN102636504B (en) | 2012-04-16 | 2012-04-16 | Rim detection device and detection method |
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| CN102636504A CN102636504A (en) | 2012-08-15 |
| CN102636504B true CN102636504B (en) | 2015-01-21 |
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| CN201210110664.4A Active CN102636504B (en) | 2012-04-16 | 2012-04-16 | Rim detection device and detection method |
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Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102928446A (en) * | 2012-11-10 | 2013-02-13 | 福建省豪用环保科技有限公司 | Computed tomography imaging method and imaging device special for rim or tire rim |
| CN104482898A (en) * | 2014-12-18 | 2015-04-01 | 北京科恒软件技术有限公司 | Result processing method, device and system for locomotive wheel dimension detecting system |
| CN105445299A (en) * | 2015-12-12 | 2016-03-30 | 佛山市南海中南铝车轮制造有限公司 | Special wheel-type X ray detection auxiliary method and device |
| CN105738387B (en) * | 2016-04-14 | 2018-10-23 | 苏州工业园区道青科技有限公司 | Wheel hub detection device |
| CN108180872B (en) * | 2017-12-28 | 2023-04-25 | 重庆日联科技有限公司 | Universal wheel hub detecting machine |
| CN112414727B (en) * | 2020-10-10 | 2023-01-10 | 北京汽车研究总院有限公司 | Wheel rim detection device and detection method |
| WO2023067578A1 (en) * | 2021-10-22 | 2023-04-27 | Eclectic Services Company (Pty) Limited | An ultra low-cost system for inspecting the integrity of a wheel rim |
| CN114234796A (en) * | 2021-10-26 | 2022-03-25 | 深圳市裕展精密科技有限公司 | Hole detection method, hole detection device and hole detection equipment |
| CN116958129B (en) * | 2023-09-18 | 2023-12-26 | 华侨大学 | Stone plate brushing path planning device |
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| US5431041A (en) * | 1993-01-14 | 1995-07-11 | Premaq Impex, Inc. | Apparatus for testing the seal of wheel rims for cars and the like |
| CN2543053Y (en) * | 2002-05-31 | 2003-04-02 | 重庆宗申技术开发研究有限公司 | Synthetic tester for tyre and rim of motorcycle |
| CN201583510U (en) * | 2009-12-11 | 2010-09-15 | 兰州瑞奇戈德测控技术有限公司 | Ray all-position detecting device of welding line of pipeline |
| CN202583093U (en) * | 2012-04-16 | 2012-12-05 | 兰州瑞奇戈德测控技术有限公司 | Device for detecting rim |
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| US5431041A (en) * | 1993-01-14 | 1995-07-11 | Premaq Impex, Inc. | Apparatus for testing the seal of wheel rims for cars and the like |
| CN2543053Y (en) * | 2002-05-31 | 2003-04-02 | 重庆宗申技术开发研究有限公司 | Synthetic tester for tyre and rim of motorcycle |
| CN201583510U (en) * | 2009-12-11 | 2010-09-15 | 兰州瑞奇戈德测控技术有限公司 | Ray all-position detecting device of welding line of pipeline |
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| 《在线式汽车轮辋跳动检测机的设计》;袁海兵等;《测控技术》;20111231;第30卷(第2期);第4-7页 * |
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| CN102636504A (en) | 2012-08-15 |
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Denomination of invention: Device and testing method for detecting wheel rims Effective date of registration: 20230506 Granted publication date: 20150121 Pledgee: Lanzhou Bank Co.,Ltd. Silicon Valley Branch Pledgor: LANZHOU RICH-GOLDEN TEST & CONTROL TECHNOLOGY Co.,Ltd. Registration number: Y2023980039808 |
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