CN113791093A - Tire defect detection data calibration device and method - Google Patents
Tire defect detection data calibration device and method Download PDFInfo
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- CN113791093A CN113791093A CN202111198186.2A CN202111198186A CN113791093A CN 113791093 A CN113791093 A CN 113791093A CN 202111198186 A CN202111198186 A CN 202111198186A CN 113791093 A CN113791093 A CN 113791093A
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- tire
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N23/00—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00
- G01N23/02—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material
- G01N23/04—Investigating or analysing materials by the use of wave or particle radiation, e.g. X-rays or neutrons, not covered by groups G01N3/00 – G01N17/00, G01N21/00 or G01N22/00 by transmitting the radiation through the material and forming images of the material
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
- G01M17/028—Tyres using X-rays
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06T—IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G06T7/00—Image analysis
- G06T7/0002—Inspection of images, e.g. flaw detection
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- Analysing Materials By The Use Of Radiation (AREA)
Abstract
The invention relates to a tire defect detection data calibration device and a method, wherein the tire comprises a tire, an attachment mechanism is arranged on the tire, the attachment mechanism is provided with a hook and a tightening magic tape, the hook is of an integrally formed structure, one end of the hook is provided with a rectangular frame for connecting the tightening magic tape, the tightening magic tape is provided with a hook surface and a rough surface, the rough surface is connected with the hook, and the hook surface is connected with a calibration block; the device solves the problems that the prior data calibration mode is inconvenient and quick to work by sticking adhesive tapes and a single calibration block, the tire and the data image can be calibrated conveniently and quickly, the device can be quickly matched with tires of various sizes and types through several combinations, and the problems of irregular manually combined checkerboards and low precision of the calibration block are solved through the arrangement layout of the prior checkerboards.
Description
Technical Field
The invention relates to the technical field of tire detection, in particular to a device and a method for calibrating tire defect detection data.
Background
In order to improve the production quality and the safe service life of the automobile tire, a series of online detection items are required in the manufacturing process. If the inner layer of the tire is detected by X-rays, the inner layer of the tire is imaged on a receiving device through signal feedback generated by the rays penetrating through the tire, and then whether performance defects such as faults, bubbles, steel wire breakage and the like occur in the tire is verified, and the tire is identified and graded according to the inspection result.
The existing tire defect detection device or method is to vertically place a detected tire on a conveying line and drive an X-ray tube to extend into a bead to perform ray image capture. Because the weight of the tire is large, such as various engineering tires, heavy duty tires and the like, the tire placed on the conveying line is locally deformed to a certain degree due to the dead weight of the tire, and therefore the accuracy of detection data is directly influenced. The calibration of the tire detection data is a tedious work, and particularly after the nonlinearity of the imaging of the tire on an X-ray machine is found, the calibration requirement is improved.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a device and a method for calibrating tire defect detection data.
The technical scheme adopted by the invention for solving the technical problems is as follows: the utility model provides a tire defect detection data calibration device, includes the tire, install attachment mechanism on the tire, attachment mechanism is equipped with couple and elasticity magic subsides, and the couple is integrated into one piece's structure, and the one end of couple is equipped with the rectangle frame for connect elasticity magic subsides, elasticity magic subsides are equipped with hook face and matte, and wherein the matte is connected with the couple, hook face and demarcation piece are connected.
Preferably, the calibration block is of a combined checkerboard structure, the calibration block is made of bearing steel, and the size of the calibration block is 25 +/-0.01 mm multiplied by 3 mm.
Preferably, the thickness of the hook is 3 mm.
Preferably, the hook is a structure adapted for use in a tubed form.
Preferably, the hanger is a structure adapted for use in a tubeless form.
A tire defect detection data calibration method comprises a loading and unloading module and a data calibration module, wherein the loading and unloading module comprises the following steps:
s101, selecting a position of a tire to be calibrated;
s102, selecting corresponding hooks according to the tire size specification;
s103, hanging hooks on two sides of the inner edge of the tire and tightening and fixing the tire through elastic magic tapes;
s104, pasting different combined calibration blocks according to the positions to be measured and the number of the measurements;
s105, the tire enters an X-ray machine for detection;
s106, removing the calibration device from the tire after detection;
the data calibration module comprises a new specification unit and a data calibration unit.
Preferably, the new specification unit includes the steps of:
s201, attaching a plurality of calibration blocks to the periphery of the tire;
s202, placing the tire into an X-ray machine for photographing;
s203, identifying a sidewall area calibration block and a crown area calibration block;
s204, determining a conversion relation according to the X-ray pixel and the size of the calibration block;
s205, recording the current specification and the conversion relation;
and S206, measuring the tire to be measured by adopting the conversion relation.
Preferably, the data calibration unit includes the steps of:
s301, pasting a data calibration block on the side wall or the crown;
s302, placing the tire into an X-ray machine for photographing;
s303 identifies a calibration block;
s304, determining a conversion relation according to the X-ray pixel and the size of the calibration block;
s305, updating the conversion relation of the current specification;
and S306, measuring the tire to be measured by adopting the conversion relation.
The invention has the following beneficial effects:
(1) the problem that the current data calibration mode is inconvenient and quick to work by sticking adhesive tapes and a single calibration block is solved;
(2) the tire and the data image are conveniently and quickly calibrated;
(3) tires of various size types can be rapidly matched through several combinations;
(4) the irregular chequer combination is solved through the prior chequer arrangement layout;
(5) the problem of low precision of the calibration block is solved.
Drawings
Fig. 1 is a schematic structural diagram (one) of the present invention.
Fig. 2 is a schematic structural diagram (ii) of the present invention.
Fig. 3 is a schematic structural diagram (iii) of the present invention.
Fig. 4 is a schematic structural view of a hanger suitable for use with a tube according to the present invention.
Fig. 5 is a schematic view of the structure of a hanger suitable for tubeless use according to the present invention.
FIG. 6 is a flow chart of a handling module of the present invention.
FIG. 7 is a flow chart of the data calibration module of the present invention.
In the figure: 1-a tire; 2-hooking; 3-an attachment mechanism; 4-elastic magic tape; 5-calibration Block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In an embodiment of the present invention, as shown in fig. 1 to 7, a tire defect detection data calibration device includes a tire 1, a hook 2, an attachment mechanism 3, a fastening magic tape 4, and a calibration block 5.
The attachment mechanism 3 is composed of a hook 2 and an elastic magic tape 4, a hair surface of the elastic magic tape 4 is fixed with the hook 2, the hook surface is fixed with the calibration block 5, and the calibration block can be placed at any position and the number of the calibration blocks can be placed at any quantity. The elastic magic tape 4 is loaded by a rough surface with the width of 100mm, and the calibration blocks 5 are combined into a chessboard pattern, so that the elastic magic tape is simple and convenient on the premise of ensuring the matching precision and can be quickly detached. Bear the position and adopt the design of elasticity magic subsides, the hook face is fixed size for link up fixedly with demarcation piece 5, and the matte face is that the elasticity variable dimension is used for adapting to the tire of different sizes and can hug closely the matrix fast, and with matrix perfect adaptation, the hook face is fixed with the combination of demarcation piece 5 and bonding.
The elastic magic tape 4 adopts an elastic form, the rough surface is fixed with the hook 2, the hook surface is fixed with the calibration block 5, and the calibration block 5 can be placed at will or the number of the calibration blocks can be placed at will.
The calibration block 5 adopts a combined checkerboard design and is quickly matched with the sizes of various tires. The calibration block 5 is made of bearing steel, is not easy to rust and has high hardness, and is not easy to expand with heat and contract with cold due to the environment such as temperature and the like. The calibration block 5 is designed with 7-level precision, the manufacturing precision reaches the maximum manufacturing level of the current grinding machine, and the size is (25 +/-0.01) × 3. The highest precision of the X-ray machine can reach 0.3mm, and the precision of the calibration block 5 is one order of magnitude higher than that of the X-ray, so that the relation between pixels and actual sizes can be accurately matched. In order to better improve data calibration, the calibration blocks 5 are arranged into a checkerboard, so that optimization and precision adjustment of an algorithm are facilitated, and the current full-size tire can be covered.
The device adopts elasticity magic subsides 4 and couple 2, does not influence the penetrating power of X-ray to the tire again when guaranteeing to hug closely with the tire, pastes on elasticity magic subsides 4 through marking off piece 5, can easily quick arrange marking off piece 5 at the tire a week according to the form of check board, handles the accessible X-ray machine after good and scans, and system automatic identification marks piece 5 and matches pixel and actual size's relation according to regional automatic.
A tire defect detection data calibration method comprises a loading and unloading module and a data calibration module, wherein the loading and unloading module comprises the following steps: the method comprises the steps of firstly selecting a position of a tire 1 to be calibrated, selecting corresponding hooks 2 according to the tire size specification, hanging the hooks 2 on two sides of the inner edge of the tire, tensioning and fixing the hooks through elastic magic tapes 4, then pasting different combined calibration blocks 5 according to the position to be measured and the number of the positions to be measured, pasting a plurality of combined calibration blocks simultaneously, entering an X-ray machine after pasting, and taking down the tire after detection for next use.
And the data calibration module comprises a new specification unit and a data calibration unit.
The new specification unit comprises the following steps:
s201, attaching a plurality of calibration blocks to the periphery of the tire;
s202, placing the tire into an X-ray machine for photographing;
s203, identifying a sidewall area calibration block and a crown area calibration block;
s204, determining a conversion relation according to the X-ray pixel and the size of the calibration block;
s205, recording the current specification and the conversion relation;
and S206, measuring the tire to be measured by adopting the conversion relation.
The data calibration unit comprises the following steps:
s301, pasting a data calibration block on the side wall or the crown;
s302, placing the tire into an X-ray machine for photographing;
s303 identifies a calibration block;
s304, determining a conversion relation according to the X-ray pixel and the size of the calibration block;
s305, updating the conversion relation of the current specification;
and S306, measuring the tire to be measured by adopting the conversion relation.
The device and the method are a set of device tools for calibrating the actual size of the tire and the image generated by the X-ray machine, and aim to solve the problem that the current data calibration mode is inconvenient to work quickly by sticking adhesive tapes and a single calibration block. The device can be quickly matched with tires of various sizes and types through several combinations, and solves the problems of irregular manually combined checkerboards and low calibration block precision through the arrangement layout of the existing checkerboards.
The present invention is not limited to the above embodiments, and any structural changes made under the teaching of the present invention shall fall within the scope of the present invention, which is similar or similar to the technical solutions of the present invention.
The techniques, shapes, and configurations not described in detail in the present invention are all known techniques.
Claims (8)
1. The utility model provides a tire defect detection data calibration device, its characterized in that, includes the tire, install the attachment mechanism on the tire, the attachment mechanism is equipped with couple and elasticity magic subsides, and the couple is integrated into one piece's structure, and the one end of couple is equipped with the rectangle frame for connect the elasticity magic subsides, the elasticity magic subsides are equipped with hook face and matte, and wherein the matte is connected with the couple, hook face and demarcation piece connection.
2. The tire defect inspection data calibration device according to claim 1, wherein the calibration blocks are of a combined checkerboard structure, the calibration blocks are made of bearing steel, and the dimensions of the calibration blocks are 25 ± 0.01mm × 25 ± 0.01mm × 3 mm.
3. The tire defect inspection data calibration device of claim 1, wherein the thickness of the hook is 3 mm.
4. A tyre defect detection data calibration apparatus according to claim 3, wherein said hook is a structure adapted for use in a tubed form.
5. The tire defect detection data calibration device of claim 3, wherein the hook is a structure adapted for tubeless form.
6. The method for calibrating the tire defect detection data based on the claims 1 to 5, which comprises a loading and unloading module and a data calibration module, wherein the loading and unloading module comprises the following steps:
s101, selecting a position of a tire to be calibrated;
s102, selecting corresponding hooks according to the tire size specification;
s103, hanging hooks on two sides of the inner edge of the tire and tightening and fixing the tire through elastic magic tapes;
s104, pasting different combined calibration blocks according to the positions to be measured and the number of the measurements;
s105, the tire enters an X-ray machine for detection;
s106, removing the calibration device from the tire after detection;
the data calibration module comprises a new specification unit and a data calibration unit.
7. The method for calibrating tire defect inspection data according to claim 6, wherein said new specification unit comprises the steps of:
s201, attaching a plurality of calibration blocks to the periphery of the tire;
s202, placing the tire into an X-ray machine for photographing;
s203, identifying a sidewall area calibration block and a crown area calibration block;
s204, determining a conversion relation according to the X-ray pixel and the size of the calibration block;
s205, recording the current specification and the conversion relation;
and S206, measuring the tire to be measured by adopting the conversion relation.
8. The method for calibrating tire defect detection data according to claim 6, wherein the data calibration unit comprises the following steps:
s301, pasting a data calibration block on the side wall or the crown;
s302, placing the tire into an X-ray machine for photographing;
s303 identifies a calibration block;
s304, determining a conversion relation according to the X-ray pixel and the size of the calibration block;
s305, updating the conversion relation of the current specification;
and S306, measuring the tire to be measured by adopting the conversion relation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111198186.2A CN113791093A (en) | 2021-10-14 | 2021-10-14 | Tire defect detection data calibration device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111198186.2A CN113791093A (en) | 2021-10-14 | 2021-10-14 | Tire defect detection data calibration device and method |
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| Publication Number | Publication Date |
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| CN113791093A true CN113791093A (en) | 2021-12-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111198186.2A Pending CN113791093A (en) | 2021-10-14 | 2021-10-14 | Tire defect detection data calibration device and method |
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| CN (1) | CN113791093A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088745A (en) * | 2022-01-14 | 2022-02-25 | 山东兴达轮胎有限公司 | Method for confirming tire imaging accuracy by checking area of standard block by X-ray |
| CN114103201A (en) * | 2022-01-27 | 2022-03-01 | 山东兴达轮胎有限公司 | Production method for improving performance of bead part of rigid-block tire |
| CN114953551A (en) * | 2022-07-26 | 2022-08-30 | 广饶县计量测试检定所(广饶县产品质量检验所、广饶县橡胶轮胎产品与材料质量检验中心) | Production method for reducing side wall delamination of engineering radial tire |
-
2021
- 2021-10-14 CN CN202111198186.2A patent/CN113791093A/en active Pending
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114088745A (en) * | 2022-01-14 | 2022-02-25 | 山东兴达轮胎有限公司 | Method for confirming tire imaging accuracy by checking area of standard block by X-ray |
| CN114103201A (en) * | 2022-01-27 | 2022-03-01 | 山东兴达轮胎有限公司 | Production method for improving performance of bead part of rigid-block tire |
| CN114953551A (en) * | 2022-07-26 | 2022-08-30 | 广饶县计量测试检定所(广饶县产品质量检验所、广饶县橡胶轮胎产品与材料质量检验中心) | Production method for reducing side wall delamination of engineering radial tire |
| CN114953551B (en) * | 2022-07-26 | 2022-11-11 | 广饶县计量测试检定所(广饶县产品质量检验所、广饶县橡胶轮胎产品与材料质量检验中心) | Production method for reducing side wall delamination of engineering radial tire |
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