CN113945163A - Inflatable tire section scanning device and method - Google Patents
Inflatable tire section scanning device and method Download PDFInfo
- Publication number
- CN113945163A CN113945163A CN202111043067.XA CN202111043067A CN113945163A CN 113945163 A CN113945163 A CN 113945163A CN 202111043067 A CN202111043067 A CN 202111043067A CN 113945163 A CN113945163 A CN 113945163A
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- tire
- plate
- fixing
- tire section
- fixing plate
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Links
- 238000000034 method Methods 0.000 title claims abstract description 20
- 238000010586 diagram Methods 0.000 claims description 5
- 239000005341 toughened glass Substances 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000012780 transparent material Substances 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims 1
- 238000013461 design Methods 0.000 description 8
- 238000003825 pressing Methods 0.000 description 8
- 238000005259 measurement Methods 0.000 description 5
- 239000000463 material Substances 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000000691 measurement method Methods 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000012356 Product development Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005489 elastic deformation Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Images
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/24—Measuring arrangements characterised by the use of optical techniques for measuring contours or curvatures
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/16—Measuring arrangements characterised by the use of optical techniques for measuring the deformation in a solid, e.g. optical strain gauge
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/04—Devices for withdrawing samples in the solid state, e.g. by cutting
Abstract
The invention relates to an inflatable tire section scanning device and method, comprising the following steps: the fixing plate is provided with a fixing hole matched with the profile of the lower section of the tire filled with the gas with the set pressure, and the fixing plate is provided with an inflating assembly which is connected with the air bag positioned in the fixing hole; fixing a platform: the scanning device can scan the section of the tire in an inflated state.
Description
Technical Field
The invention relates to the technical field of tire section detection, in particular to an inflatable tire section scanning device and method.
Background
The statements herein merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The all-steel radial tire is a complex-structure composite material product consisting of rubber and steel wires, and is the only safety part of a vehicle contacting the ground. The tyre is complex in stress and deformation in the using process, and the complex deformation is easy to cause internal damage of the tyre. Therefore, it is very important to reduce the risk of tire damage through the study of the deformation of the tire inner structure.
Because the pneumatic tire belongs to a complex elastic deformation body, the size and the shape under the design state can obviously deform under the actual use working conditions of inflation, load and the like, the design shape of the inner cavity outline determines the internal deformation of the tire before and after inflation, and simultaneously influences the tire deformation under different load conditions, therefore, the shape of the inner cavity outline of the tire and the change condition before and after inflation are researched, the inner cavity outline and the internal structure deformation of the tire are obtained through a measuring means, the internal structure stress deformation is improved through an optimized design scheme, and the pneumatic tire has very important function and value for the design of the tire.
The currently available method is generally to cut the tire section to measure the relative position of the internal structure of the tire, but the inventor finds that the measurement has great error due to the soft and easy-to-deform tire section, and although the section is also fixed by a fixing device, the measurement stability is improved, but the measurement has great difference from the internal structure and the inner cavity contour in the design state and the inflation state.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides an inflatable tire section scanning device which is convenient for scanning the section of a tire in an inflated state and is beneficial to mastering the deformation characteristic of a tire design inner cavity in the inflated state.
In order to achieve the purpose, the invention adopts the following technical scheme:
in a first aspect, embodiments of the present invention provide an inflatable tire section scanning apparatus, comprising:
the fixing plate is provided with a fixing hole matched with the profile of the lower section of the tire filled with the gas with the set pressure, and the fixing plate is provided with an inflating assembly which is connected with the air bag positioned in the fixing hole;
fixing a platform: the fixed platform comprises a plurality of supporting columns, supporting plates used for supporting the fixed plate are fixed on the top surfaces of the supporting columns, the supporting plates are transparent plates, illuminating elements are arranged below the supporting plates, and scanners are arranged above the supporting plates.
Optionally, the fixing plate is made of an acrylic plate or a stainless steel plate.
Optionally, the fixing device further comprises a pressing plate made of a transparent material, and the pressing plate is placed on the upper surface of the fixing plate.
Optionally, the pressing plate and the supporting plate are both made of toughened glass.
Optionally, the inflation assembly comprises an inflation connector, the inflation connector is connected with one end of an inflation tube, and the other end of the inflation tube penetrates through the fixing plate and then extends into the fixing hole and is connected with the air bag.
Optionally, the bottom surface of the fixing plate is provided with support legs, and the fixing plate can be placed on the support columns through the support legs.
In a second aspect, embodiments of the present invention provide a method of operating an inflatable tire section scanning apparatus, comprising the steps of:
placing the fixing plate on the supporting plate, and placing a pre-processed tire section sample into the fixing hole;
inflating the air bag, wherein the expansion of the air bag drives the expansion of the tire section sample until the outer side surface of the tire section sample is attached to the hole wall of the fixing hole;
the scanner scans the tire section sample and derives the scanned tire section diagram.
Optionally, the tire is scanned under a set air pressure to obtain an outer contour of the tire section, and the fixing hole is reinforced on the fixing plate according to the obtained outer contour.
Optionally, when the light emitted by the lighting element and emitted through the gap between the tire section sample and the hole wall of the fixing hole cannot be observed, the air bag is stopped from being inflated.
Optionally, after the tire is cut for the first time along the radial direction of the tire, the tire is cut for the second time along the radial direction of the tire after a set distance along the circumferential direction of the tire, and the part between the cutting surfaces cut twice is a tire section sample.
The invention has the beneficial effects that:
1. according to the scanning device, the fixing plate is provided with the fixing hole matched with the profile of the section of the tire when the tire is inflated, the air bag is arranged in the fixing hole, the inflation state of the tire can be simulated by utilizing the inflation of the air bag, so that the scanning is carried out on the tire section sample in the inflation state, the deformation conditions of the inner profile and the inner structure before and after the tire is inflated can be obtained, and the scanning device plays an important role and value in the design of the tire.
2. According to the method, whether the outer side surface of the tire section sample is attached to the hole wall of the fixing hole or not is judged by utilizing whether light of the illuminating element leaks or not through inflation of the air bag, the judgment method is simple and convenient, the accuracy is good, and the inflation state of the tire can be truly simulated.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the application and, together with the description, serve to explain the application and are not intended to limit the application.
FIG. 1 is a top view of a fixing plate according to embodiment 1 of the present invention;
FIG. 2 is a side view of a fixing plate according to embodiment 1 of the present invention;
FIG. 3 is a schematic view showing the outer contour shape of a tire obtained in example 1 of the present invention;
FIG. 4 is a side view of the whole structure of embodiment 1 of the present invention;
FIG. 5 is a plan view showing the whole structure of embodiment 1 of the present invention;
FIG. 6 is a front view showing the overall result of embodiment 1 of the present invention;
FIG. 7 is a schematic view showing an inflation process of an airbag according to embodiment 2 of the present invention;
FIG. 8 is a schematic view showing a state in which a tire section sample is attached to a wall of a fixed hole in example 2 of the present invention;
FIG. 9 is a schematic view of the inner profile of a tire section scanned in example 2 of the present invention;
the device comprises a fixing plate 1, a fixing hole 2, a strip hole 3, a support leg 4, a fixing platform 5, a support column 6, a support plate 7, a reflector lamp 8, a scanner 9, a scanner support 10, an inflation tube 11, an air bag 12, an inflation connector 13, a pressing plate 14 and a tire section sample 15.
Detailed Description
Example 1
The embodiment discloses an inflatable tire section scanning device, which comprises a fixing plate 1, as shown in fig. 1-2, the fixing plate is made of an acrylic plate or a stainless steel plate, so that the fixing plate is convenient to process, the fixing plate is provided with fixing holes 2, and the shapes of the fixing holes are matched with the shapes of the profiles of the sections of the inflated tires.
In this embodiment, as shown in fig. 3, the scanner may be used to scan the tire filled with the gas with the set pressure in advance to obtain a profile of the cross section of the inflated tire, and then the fixing plate may be machined according to the profile of the cross section of the tire to obtain the fixing hole.
Further, in order to ensure the precision of the fixing hole, in this embodiment, the fixing hole is processed in a wire cutting manner.
In order to reduce the weight of the fixing plate, the fixing plate is provided with strip holes 3 at two sides of the fixing hole.
The fixed plate still is provided with the inflation assembly, the inflation assembly includes gas tube 11, the gas tube passes the fixed plate, and inside its one end stretched into the fixed orifices, the other end stretched out to the fixed plate outside, the end connection that the gas tube stretched out to the fixed plate outside has inflation head 13, and the end connection that is located the fixed orifices inside has gasbag 12. After the inflation head is connected to the inflation equipment, the air bag can be inflated through the inflation tube.
As shown in fig. 4-6, the inflatable tire section scanning apparatus further includes a fixing platform 5, a plurality of support columns 6 are fixed on the fixing platform, in this embodiment, four support columns are disposed on the fixing platform, bottom ends of the support columns are fixedly connected to the fixing platform, top ends of the four support columns are fixed to a support plate 7, and the support plate is used for supporting the fixing plate.
Four corners of the bottom surface of the fixing plate are also provided with support legs 4, and the fixing plate is placed on the supporting plate through the support legs.
In this embodiment, the backup pad adopts the transparent plate, in order to guarantee the structural strength of backup pad, the backup pad adopts toughened glass to make.
And a lighting element is arranged below the supporting plate, and the supporting plate is a transparent plate, so that light rays emitted by the lighting element can pass through the supporting plate.
The lighting element is arranged on the fixed platform, the lighting element can be an existing lighting lamp, such as an LED lamp or a spot lamp 8, and the lighting element can be selected by a person skilled in the art according to actual needs.
A scanner 9 is arranged right above the supporting plate and is fixed on the fixed platform through a scanner support 10.
The scanner can scan the tire section sample of placing in the fixed plate of backup pad, the scanner passes through control system and is connected with host computer, can transmit the image transmission that the scanning obtained for host computer through control system.
The scanning device further comprises a pressing plate 14, and the pressing plate is placed on the upper surface of the fixing plate and used for pressing the tire section sample. The pressing plate is made of a transparent plate, preferably toughened glass.
Example 2:
the embodiment discloses a working method of an inflatable tire section scanning device, which comprises the following steps:
a tire section sample 15 is prepared in advance, and the specific method comprises the following steps:
the cutting device comprises a cutting knife, a cutting knife and a tire section sample, wherein the cutting knife is used for cutting along the radial direction of a tire for the first time, after the cutting for the first time is completed, the cutting knife is used for cutting along the radial direction of the tire for the second time, a cutting surface of the cutting for the first time and a cutting surface of the cutting for the second time have a set distance along the circumferential direction of the tire, and the tire section sample between the cutting surfaces of the cutting for the first time and the cutting for the second time is the tire section sample.
And placing a pre-prepared fixing plate on the supporting plate, placing a pre-prepared tire section sample in the fixing hole, supporting the tire section sample by using the supporting plate, and starting the spotlight.
As shown in fig. 7-8, the inflation joint is connected with an inflation device to inflate the airbag, the airbag is inflated and then expands, the expansion of the airbag drives the tire section sample to expand, the airbag is inflated until the outer side surface of the tire section sample is completely attached to the hole wall of the fixing hole of the fixing plate, and then the airbag stops inflating.
In other embodiments, in order to facilitate operation, a camera is arranged above the supporting plate, the camera is installed on one side of the scanner, the camera is connected with the upper computer through a control system and can transmit the collected image to the upper computer, in the inflation process, after bright spots do not exist in the image collected by the camera displayed by the upper computer, the outer side surface of the tire section sample can be considered to be completely attached to the hole wall of the fixing hole, and inflation is stopped at the moment.
After inflation is stopped, the cross section of the tire is scanned by a scanner, as shown in fig. 9, an inner contour map of the tire cross section is obtained, and the scanned image is transmitted to an upper computer through a control system.
And pre-installing CAD software in the upper computer, importing the scanned image into the CAD software, fitting the scanned image with the CAD design outline, and performing section analysis and material distribution diagram restoration by using the CAD.
Compared with the existing section analysis method and material distribution diagram recovery method, the method of the embodiment greatly reduces labor intensity, improves working efficiency and improves measurement accuracy, the common section measurement method needs 60 minutes, the common section measurement method only needs 20 minutes, and the measurement accuracy is improved from single digit to two digits after decimal point.
The time for restoring the material distribution diagram is reduced from the original 180 minutes to 60 minutes, the drawing precision is greatly improved, the working efficiency is improved, and the product development progress is accelerated.
Although the embodiments of the present invention have been described with reference to the accompanying drawings, it is not intended to limit the scope of the present invention, and it should be understood by those skilled in the art that various modifications and variations can be made without inventive efforts by those skilled in the art based on the technical solution of the present invention.
Claims (10)
1. An inflatable tire section scanning device, comprising:
the fixing plate is provided with a fixing hole matched with the profile of the lower section of the tire filled with the gas with the set pressure, and the fixing plate is provided with an inflating assembly which is connected with the air bag positioned in the fixing hole;
fixing a platform: the fixed platform comprises a plurality of supporting columns, supporting plates used for supporting the fixed plate are fixed on the top surfaces of the supporting columns, the supporting plates are transparent plates, illuminating elements are arranged below the supporting plates, and scanners are arranged above the supporting plates.
2. The apparatus according to claim 1, wherein the fixing plate is made of acrylic plate or stainless steel plate.
3. The apparatus according to claim 1, further comprising a platen made of a transparent material, said platen adapted to be placed on the upper surface of the stationary plate.
4. The apparatus according to claim 3, wherein said platen and support plate are made of tempered glass.
5. The device according to claim 1, wherein the inflation assembly comprises an inflation connector connected to one end of an inflation tube, the other end of the inflation tube extending through the mounting plate and into the mounting hole and connected to the bladder.
6. The apparatus according to claim 1, wherein the bottom surface of the fixing plate is provided with a foot, and the fixing plate can be placed on the supporting column through the foot.
7. The working method of the inflatable tire section scanning device is characterized by comprising the following steps:
placing the fixing plate on the supporting plate, and placing a pre-processed tire section sample into the fixing hole;
inflating the air bag, wherein the air bag expands to drive the tire section sample to expand until the scanner cannot detect light rays emitted by the lighting element, and stopping inflating, wherein the outer side surface of the tire section sample is attached to the hole wall of the fixing hole;
the scanner scans the tire section sample and derives the scanned tire section diagram.
8. The method of claim 7, wherein the tire is scanned under a predetermined pressure to obtain an outer profile of the tire section, and the fixing holes are reinforced on the fixing plate according to the obtained outer profile.
9. The method of claim 7, wherein the step of stopping the inflation of the bladder occurs when light from the illumination element is not observed through the gap between the tire section specimen and the wall of the bore.
10. The method of claim 7, wherein the tire is cut for the first time in the radial direction of the tire, and then cut for the second time in the radial direction of the tire after a predetermined distance in the circumferential direction of the tire, and the portion between the cut surfaces of the two cuts is a tire section sample.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111043067.XA CN113945163A (en) | 2021-09-07 | 2021-09-07 | Inflatable tire section scanning device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111043067.XA CN113945163A (en) | 2021-09-07 | 2021-09-07 | Inflatable tire section scanning device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113945163A true CN113945163A (en) | 2022-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111043067.XA Pending CN113945163A (en) | 2021-09-07 | 2021-09-07 | Inflatable tire section scanning device and method |
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| CN (1) | CN113945163A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990027039A (en) * | 1997-09-27 | 1999-04-15 | 신형인 | Surface imaging device of pneumatic tire using X-ray |
| US20010052259A1 (en) * | 2000-04-19 | 2001-12-20 | Bernward Mahner | Method and apparatus for testing tires |
| US7805987B1 (en) * | 2008-08-19 | 2010-10-05 | Smith Bradley R | System and method for pneumatic tire defect detection |
| CN102305599A (en) * | 2011-05-19 | 2012-01-04 | 广州华工百川科技股份有限公司 | Tire section structure surveying instrument and method |
| CN106839931A (en) * | 2016-08-05 | 2017-06-13 | 通力轮胎有限公司 | A kind of tire section measuring instrument and measuring method |
| TWI658880B (en) * | 2018-01-23 | 2019-05-11 | 正新橡膠工業股份有限公司 | Method for measuring angle and distance of tire steel wire ring belt |
| CN111006616A (en) * | 2019-12-12 | 2020-04-14 | 王东 | Testing device and testing method for semiconductor equipment of Internet of things |
| CN111795645A (en) * | 2020-07-17 | 2020-10-20 | 山东玲珑轮胎股份有限公司 | Accurate tire section binding method |
| CN113188403A (en) * | 2021-05-08 | 2021-07-30 | 赛轮集团股份有限公司 | Tire section measuring workbench |
-
2021
- 2021-09-07 CN CN202111043067.XA patent/CN113945163A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR19990027039A (en) * | 1997-09-27 | 1999-04-15 | 신형인 | Surface imaging device of pneumatic tire using X-ray |
| US20010052259A1 (en) * | 2000-04-19 | 2001-12-20 | Bernward Mahner | Method and apparatus for testing tires |
| US7805987B1 (en) * | 2008-08-19 | 2010-10-05 | Smith Bradley R | System and method for pneumatic tire defect detection |
| CN102305599A (en) * | 2011-05-19 | 2012-01-04 | 广州华工百川科技股份有限公司 | Tire section structure surveying instrument and method |
| CN106839931A (en) * | 2016-08-05 | 2017-06-13 | 通力轮胎有限公司 | A kind of tire section measuring instrument and measuring method |
| TWI658880B (en) * | 2018-01-23 | 2019-05-11 | 正新橡膠工業股份有限公司 | Method for measuring angle and distance of tire steel wire ring belt |
| CN111006616A (en) * | 2019-12-12 | 2020-04-14 | 王东 | Testing device and testing method for semiconductor equipment of Internet of things |
| CN111795645A (en) * | 2020-07-17 | 2020-10-20 | 山东玲珑轮胎股份有限公司 | Accurate tire section binding method |
| CN113188403A (en) * | 2021-05-08 | 2021-07-30 | 赛轮集团股份有限公司 | Tire section measuring workbench |
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