CN114485375A - Tire wall thickness detection device and method - Google Patents
Tire wall thickness detection device and method Download PDFInfo
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- CN114485375A CN114485375A CN202210401461.4A CN202210401461A CN114485375A CN 114485375 A CN114485375 A CN 114485375A CN 202210401461 A CN202210401461 A CN 202210401461A CN 114485375 A CN114485375 A CN 114485375A
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- 238000001514 detection method Methods 0.000 title claims abstract description 32
- 238000000034 method Methods 0.000 title claims abstract description 12
- 238000005259 measurement Methods 0.000 claims abstract description 55
- 230000007246 mechanism Effects 0.000 claims abstract description 36
- 230000000712 assembly Effects 0.000 claims abstract description 16
- 238000000429 assembly Methods 0.000 claims abstract description 16
- 230000006698 induction Effects 0.000 claims description 8
- 230000008569 process Effects 0.000 claims description 3
- 238000006243 chemical reaction Methods 0.000 abstract description 3
- 239000010720 hydraulic oil Substances 0.000 description 4
- 230000004044 response Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 238000005299 abrasion Methods 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B7/00—Measuring arrangements characterised by the use of electric or magnetic techniques
- G01B7/02—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness
- G01B7/06—Measuring arrangements characterised by the use of electric or magnetic techniques for measuring length, width or thickness for measuring thickness
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Length Measuring Devices With Unspecified Measuring Means (AREA)
- A Measuring Device Byusing Mechanical Method (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
Abstract
The invention is suitable for the technical field of thickness measurement, and particularly relates to a device and a method for detecting the thickness of a tire wall, wherein the device comprises: the rotating mechanism is used for placing the tire and driving the tire to rotate; the detection mechanism at least comprises two groups of telescopic measurement assemblies, the detection mechanism is arranged on the rotating mechanism, and the two groups of telescopic measurement assemblies are respectively used for measuring the tire from the inner side and the outer side of the tire. According to the invention, the rotating mechanism 100 is arranged, so that the tire can be driven to rotate, during measurement, the tire is measured from the inner side and the outer side of the tire by using two groups of telescopic measuring assemblies on the detection mechanism 200, the thickness of each measurement is obtained by conversion according to two groups of measurement results, a three-dimensional model is generated after the measurement of the whole tire is completed, and the thickness of any position can be obtained from the three-dimensional model.
Description
Technical Field
The invention belongs to the technical field of thickness measurement, and particularly relates to a device and a method for detecting the thickness of a tire wall.
Background
The automobile tire is one of important parts of the automobile, is directly contacted with a road surface, and is used for relieving the impact on the automobile when the automobile runs together with an automobile suspension so as to ensure that the automobile has good riding comfort and running smoothness; the good adhesion between the wheels and the road surface is ensured; the traction, braking and passing performance of the automobile are improved; bearing the weight of the automobile, the important role of the tire on the automobile is more and more paid attention by people.
Tire wear is primarily caused by frictional forces generated by sliding between the tire and the ground. The running conditions of starting, turning, braking and the like of the automobile are changed continuously, the turning speed is too fast, the starting is too fast, the braking is too violent, and the abrasion of tires is fast. Tire wear results in a decrease in grip and therefore tire thickness measurement is a necessary way to confirm tire safety.
However, the existing measuring method has complicated steps, can only carry out fixed-point measurement, and is inconvenient to use.
Disclosure of Invention
An object of an embodiment of the present invention is to provide a tire wall thickness detecting apparatus, which is intended to solve the problem set forth in the third part of the background art.
The embodiment of the invention is realized in such a way that a tire wall thickness detection device comprises:
the rotating mechanism is used for placing the tire and driving the tire to rotate;
the detection mechanism at least comprises two groups of telescopic measurement assemblies, the detection mechanism is arranged on the rotating mechanism, and the two groups of telescopic measurement assemblies are respectively used for measuring the tire from the inner side and the outer side of the tire.
Preferably, flexible measuring subassembly includes the pneumatic cylinder, is provided with the hydraulic stem in the pneumatic cylinder, and the one end fixed mounting that the pneumatic cylinder is close to the hydraulic stem has first response piece, and the one end fixed mounting that the pneumatic cylinder was kept away from to the hydraulic stem has the second response piece, and the one end fixedly connected with detection needle of first response piece is kept away from to the second response piece, detect the needle tip and install the ball.
Preferably, detection mechanism still includes support arm and linking arm, support arm and rotary mechanism fixed connection, linking arm are U type structure, and rotate the tip of installing at the support arm, and two sets of flexible measuring component difference fixed mounting are at the linking arm both ends, and two sets of flexible measuring component set up relatively, and the axis coincidence, and the linking arm passes through connecting pin and pneumatic cylinder fixed connection, and fixed mounting has auxiliary motor on the support arm, and auxiliary motor is used for driving the linking arm rotatory.
Preferably, the rotating mechanism comprises a supporting base and a supporting disk, a bearing is mounted on the supporting base, the supporting disk is rotatably connected with the supporting base through the bearing, a through hole is formed in the middle of the supporting disk, a main motor is fixedly mounted on the supporting base, and a rotating shaft of the main motor penetrates through the through hole and then is fixedly connected with the end portion of the supporting arm.
Preferably, a level is arranged on the support plate.
Preferably, the bottom of the supporting base is provided with a height adjusting assembly.
It is another object of an embodiment of the present invention to provide a tire sidewall thickness detecting method, including:
two groups of telescopic measuring assemblies are respectively abutted against the inner wall and the outer wall of the tire;
the telescopic measuring assembly rotates for a circle relative to the tire, in the process, after the telescopic measuring assembly rotates for a first preset angle, the voltage between a first sensing piece and a second sensing piece on the telescopic measuring assembly is recorded once, after the telescopic measuring assembly rotates for a circle, the connecting arm is driven by the auxiliary motor to rotate for a second preset angle, and the step is repeated until the number of times of rotating the second preset angle exceeds a preset value;
turning the tire by one hundred eighty degrees, and repeating the two steps;
calculating the distance between the first induction sheet and the second induction sheet according to the voltage obtained by each measurement to obtain the direct measurement thickness of the tire;
and establishing a three-dimensional coordinate system according to the tire direct measurement thickness, marking all the tire direct measurement thicknesses in the three-dimensional coordinate system, performing fitting treatment to obtain a tire measurement model, and measuring all positions of the tire measurement model to obtain the wall thickness of all point positions on the tire.
According to the tire sidewall thickness detection device provided by the embodiment of the invention, the rotating mechanism 100 is arranged, so that a tire can be driven to rotate, during measurement, two groups of telescopic measurement assemblies on the detection mechanism 200 are used for measuring the tire from the inner side and the outer side of the tire respectively, the thickness of each measurement is obtained through conversion according to two groups of measurement results, a three-dimensional model is generated after the measurement of the whole tire is completed, and the thickness of any position can be obtained from the three-dimensional model.
Drawings
Fig. 1 is a schematic structural diagram of a tire wall thickness detecting apparatus according to an embodiment of the present invention;
FIG. 2 is an enlarged view of a portion of FIG. 1 at A;
FIG. 3 is a schematic partial structural view of a tire wall thickness detecting apparatus according to an embodiment of the present invention;
FIG. 4 is a schematic illustration of the generation of a tire thickness image provided by an embodiment of the present invention;
fig. 5 is a flowchart of a tire wall thickness detection method according to an embodiment of the present invention.
In the drawings: 1. a support base; 2. a support disc; 3. a bearing; 4. a main motor; 5. a support arm; 6. a telescopic measurement assembly; 7. a connecting arm; 8. a hydraulic cylinder; 9. a first sensing piece; 10. a second sensing piece; 11. a detection pin; 12. a ball bearing; 13. a hydraulic lever; 14. a connecting pin; 15. an auxiliary motor; 100. a rotation mechanism; 200. and a detection mechanism.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
Specific implementations of the present invention are described in detail below with reference to specific embodiments.
As shown in fig. 1, a schematic structural diagram of a tire wall thickness detecting apparatus provided in an embodiment of the present invention is shown, where the apparatus includes:
the rotating mechanism 100, the rotating mechanism 100 is used for placing the tire and driving the tire to rotate;
the detection mechanism 200, the detection mechanism 200 includes two sets of flexible measuring component 6 at least, detection mechanism 200 installs on rotary mechanism 100, and two sets of flexible measuring component 6 are used for measuring it from the tire inboard and outside respectively.
In this embodiment, the tire is laid upside down on the rotating mechanism 100, and then the two sets of telescopic measurement assemblies 6 on the detection mechanism 200 are respectively abutted against the inner wall and the outer wall of the tire, so as to measure the tire from the inner side and the outer side of the tire, thereby obtaining the thickness of each part.
As shown in fig. 1, 2 and 3, as a preferred embodiment of the present invention, the telescopic measuring assembly 6 includes a hydraulic cylinder 8, a hydraulic rod 13 is disposed in the hydraulic cylinder 8, a first sensing piece 9 is fixedly mounted at one end of the hydraulic cylinder 8 close to the hydraulic rod 13, a second sensing piece 10 is fixedly mounted at one end of the hydraulic rod 13 far from the hydraulic cylinder 8, a detection pin 11 is fixedly connected to one end of the second sensing piece 10 far from the first sensing piece 9, and a ball 12 is mounted at an end of the detection pin 11.
As shown in fig. 1, 2 and 3, as a preferred embodiment of the present invention, the detecting mechanism 200 further includes a supporting arm 5 and a connecting arm 7, the supporting arm 5 is fixedly connected to the rotating mechanism 100, the connecting arm 7 is U-shaped and rotatably mounted at an end of the supporting arm 5, two sets of telescopic measuring assemblies 6 are respectively and fixedly mounted at two ends of the connecting arm 7, the two sets of telescopic measuring assemblies 6 are arranged opposite to each other and have coinciding axes, the connecting arm 7 is fixedly connected to the hydraulic cylinder 8 through a connecting pin 14, an auxiliary motor 15 is fixedly mounted on the supporting arm 5, and the auxiliary motor 15 is used for driving the connecting arm 7 to rotate.
In this embodiment, when measuring, any cross section of the tire can be measured, specifically, the tire is placed on the rotating mechanism 100, and the tire is kept in a static state, then hydraulic oil is supplied to the hydraulic cylinder 8, and the pressure stability of the hydraulic oil is ensured when the hydraulic oil is supplied, specifically, an overflow valve can be connected, so that the hydraulic rod 13 can retract when encountering resistance, when measuring, the balls 12 on the two sets of telescopic measuring components 6 respectively abut against the inner wall and the outer wall of the tire, the distance between the two sets of first sensing sheets 9 is known, when the hydraulic rod 13 drives the second sensing sheet 10 to extend and retract, the distance between the first sensing sheet 9 and the second sensing sheet 10 in the same telescopic measuring component 6 changes, by using the principle of a capacitor, when the distance between the electrode sheets changes, the potential difference between the two sets of electrode sheets also changes correspondingly, therefore, the distance between the first sensing pieces 9 and the second sensing pieces 10 is obtained by conversion according to the numerical value of the potential difference, so that the distance between the two groups of first sensing pieces 9 is equal to the sum of the distance between the first sensing pieces 9 and the second sensing pieces 10, the length of the detection needle 11 and the ball 12 and the tire measurement thickness, and the distance between the first sensing pieces 9 and the second sensing pieces 10 and the length of the detection needle 11 and the ball 12 are known, so that the tire measurement thickness can be obtained by calculation, and the tire measurement thickness is not the distance measured vertically but the distance between the two groups of balls 12; and then starting the auxiliary motor 15, driving the connecting arm 7 to rotate by a certain angle, such as 0.1 degree, measuring again until the rotation exceeds 90 degrees, so that continuous measured values can be obtained, drawing a plane coordinate system according to the rotation center of the connecting arm 7, drawing each section of measured value on the plane coordinate system, thus obtaining a tire section consisting of line segments, as shown in fig. 4, closing the line segments according to the end points of the line segments, remembering a sectional view of the tire, and obtaining the thickness of each point on the section through measurement.
As shown in fig. 1, as a preferred embodiment of the present invention, the rotating mechanism 100 includes a supporting base 1 and a supporting plate 2, a bearing 3 is installed on the supporting base 1, the supporting plate 2 is rotatably connected to the supporting base 1 through the bearing 3, a through hole is formed in the middle of the supporting plate 2, a main motor 4 is fixedly installed on the supporting base 1, and a rotating shaft of the main motor 4 passes through the through hole and is then fixedly connected to an end of a supporting arm 5.
In this embodiment, as can be seen from the above steps, when the tire does not rotate, one tire section can be obtained, then, by rotating the tire, tire sections at various angles can be obtained, the smaller the angle of dividing the tire is, the more tire section data is obtained, and finally, in a three-dimensional coordinate system, the section at each angle is drawn, so that a three-dimensional model of the whole tire can be obtained, and in this model, as long as the included angle between adjacent sections is smaller, the more accurate the obtained three-dimensional model is, and finally, the thickness of each position on the tire can be directly obtained through the three-dimensional model; when the measurement is carried out, each time the measurement of one cross section is finished, the cross section is rotated by a certain angle, for example, 0.1 degree, then the measurement and drawing of the cross section are carried out once, finally, the cross section is rotated by 360 degrees, 3600 groups of cross section data are obtained, accordingly, a three-dimensional model is generated, when the three-dimensional model is rotated, the supporting disc 2 and the supporting base 1 are locked, the main motor 4 is started, and the main motor 4 drives the two groups of telescopic measurement components 6 to rotate through the supporting arm 5 and the connecting arm 7.
As shown in fig. 1, as a preferred embodiment of the present invention, a level is provided on the support plate 2.
As shown in fig. 1, as a preferred embodiment of the present invention, a height adjusting assembly is provided at the bottom of the support base 1.
In this embodiment, in order to ensure that the tire is in the horizontal position, the height adjustment can be completed through the height adjustment assembly, and whether the tire is in the horizontal position is judged through the level gauge.
As shown in fig. 5, which is a schematic structural diagram of a tire wall thickness detecting apparatus provided in an embodiment of the present invention, the method includes:
and S100, respectively abutting the two groups of telescopic measuring assemblies 6 against the inner wall and the outer wall of the tire.
In this step, hydraulic oil is supplied to the hydraulic cylinder 8, the hydraulic rod 13 drives the second sensing piece 10 to extend, and the two groups of balls 12 respectively abut against the inner wall and the outer wall of the tire.
S200, the telescopic measuring assembly 6 rotates for a circle relative to the tire, in the process, after the telescopic measuring assembly 6 rotates for a first preset angle, the voltage between the first induction sheet 9 and the second induction sheet 10 on the telescopic measuring assembly 6 is recorded once, after the telescopic measuring assembly rotates for a circle, the auxiliary motor 15 drives the connecting arm 7 to rotate for a second preset angle, and the steps are repeated until the number of times of rotating for the second preset angle exceeds a preset value.
In this step, when the telescopic measurement assembly 6 rotates relative to the tire, the first preset angle is rotated for 0.1 degree each time, that is, the measurement is stopped after the rotation is performed for 0.1 degree, the measurement of the tire section is completed once, then the first preset angle is rotated again, the measurement of the tire section is completed once again, and finally the measurement values of all the sections are obtained.
And S300, turning the tire by one hundred eighty degrees, and repeating the two steps.
In this step, due to the structural constraints of the connecting arms 7, only half of the tyre section can be measured at a time, so that after overturning, the other half of the tyre section can be obtained.
S400, calculating the distance between the first induction sheet 9 and the second induction sheet 10 according to the voltage obtained by each measurement, and obtaining the direct measurement thickness of the tire.
S500, establishing a three-dimensional coordinate system according to the tire direct measurement thickness, marking all the tire direct measurement thicknesses in the three-dimensional coordinate system, performing fitting processing to obtain a tire measurement model, and measuring all positions of the tire measurement model to obtain the wall thickness of all point positions on the tire.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (7)
1. A tire wall thickness detecting apparatus, characterized in that the apparatus comprises:
the rotating mechanism is used for placing the tire and driving the tire to rotate;
the detection mechanism at least comprises two groups of telescopic measurement assemblies, the detection mechanism is arranged on the rotating mechanism, and the two groups of telescopic measurement assemblies are respectively used for measuring the tire from the inner side and the outer side of the tire.
2. The tire sidewall thickness detection device according to claim 1, wherein the telescopic measurement component comprises a hydraulic cylinder, a hydraulic rod is arranged in the hydraulic cylinder, a first sensing piece is fixedly mounted at one end of the hydraulic cylinder close to the hydraulic rod, a second sensing piece is fixedly mounted at one end of the hydraulic rod far away from the hydraulic cylinder, a detection needle is fixedly connected at one end of the second sensing piece far away from the first sensing piece, and a ball is mounted at the end of the detection needle.
3. The tire sidewall thickness detection device according to claim 1, wherein the detection mechanism further includes a support arm and a connection arm, the support arm is fixedly connected to the rotation mechanism, the connection arm is U-shaped and rotatably mounted at an end of the support arm, two sets of flexible measurement assemblies are respectively and fixedly mounted at two ends of the connection arm, the two sets of flexible measurement assemblies are oppositely disposed and have coinciding axes, the connection arm is fixedly connected to the hydraulic cylinder through a connection pin, an auxiliary motor is fixedly mounted on the support arm, and the auxiliary motor is used for driving the connection arm to rotate.
4. The tire sidewall thickness detection device of claim 3, wherein the rotation mechanism comprises a support base and a support plate, the support base is provided with a bearing, the support plate is rotatably connected with the support base through the bearing, a through hole is formed in the middle of the support plate, a main motor is fixedly mounted on the support base, and a rotation shaft of the main motor penetrates through the through hole and then is fixedly connected with the end of the support arm.
5. The tire sidewall thickness detecting device according to claim 4, wherein a level gauge is provided on the support plate.
6. The tire sidewall thickness detection apparatus of claim 4, wherein a height adjustment assembly is provided at a bottom of the support base.
7. A method of detecting a tire wall thickness by the tire wall thickness detecting apparatus according to any one of claims 1 to 6, the method comprising:
two groups of telescopic measuring assemblies are respectively abutted against the inner wall and the outer wall of the tire;
the telescopic measuring assembly rotates for a circle relative to the tire, in the process, after the telescopic measuring assembly rotates for a first preset angle, the voltage between a first sensing piece and a second sensing piece on the telescopic measuring assembly is recorded once, after the telescopic measuring assembly rotates for a circle, the connecting arm is driven by the auxiliary motor to rotate for a second preset angle, and the step is repeated until the number of times of rotating the second preset angle exceeds a preset value;
turning the tire by one hundred eighty degrees, and repeating the two steps;
calculating the distance between the first induction sheet and the second induction sheet according to the voltage obtained by each measurement to obtain the direct measurement thickness of the tire;
and establishing a three-dimensional coordinate system according to the tire direct measurement thickness, marking all the tire direct measurement thicknesses in the three-dimensional coordinate system, performing fitting treatment to obtain a tire measurement model, and measuring all positions of the tire measurement model to obtain the wall thickness of all point positions on the tire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210401461.4A CN114485375B (en) | 2022-04-18 | 2022-04-18 | Tire wall thickness detection device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210401461.4A CN114485375B (en) | 2022-04-18 | 2022-04-18 | Tire wall thickness detection device and method |
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| Publication Number | Publication Date |
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| CN114485375A true CN114485375A (en) | 2022-05-13 |
| CN114485375B CN114485375B (en) | 2022-07-01 |
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| CN202210401461.4A Active CN114485375B (en) | 2022-04-18 | 2022-04-18 | Tire wall thickness detection device and method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245987A (en) * | 2007-02-16 | 2008-08-20 | 伯尼沃德·梅尼尔 | Device and method for testing a tire, in particular by means of an interferometric measuring method |
| US20150109626A1 (en) * | 2013-10-20 | 2015-04-23 | Starrett Bytewise Development, Inc. | Tire Digitizer |
| CN206618536U (en) * | 2017-04-05 | 2017-11-07 | 广州宝轮科技发展有限公司 | A kind of trouble-proof tire glue spraying dynamic balancing detection device |
| CN107796317A (en) * | 2017-11-28 | 2018-03-13 | 华中科技大学 | A kind of online thickness measurement with laser system and method for film |
| CN109307491A (en) * | 2017-07-28 | 2019-02-05 | 青岛海尔洗衣机有限公司 | A kind of detection system of inner cylinder |
| CN109477772A (en) * | 2016-07-21 | 2019-03-15 | 倍耐力轮胎股份公司 | Method and apparatus for checking tire |
-
2022
- 2022-04-18 CN CN202210401461.4A patent/CN114485375B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101245987A (en) * | 2007-02-16 | 2008-08-20 | 伯尼沃德·梅尼尔 | Device and method for testing a tire, in particular by means of an interferometric measuring method |
| US20150109626A1 (en) * | 2013-10-20 | 2015-04-23 | Starrett Bytewise Development, Inc. | Tire Digitizer |
| CN109477772A (en) * | 2016-07-21 | 2019-03-15 | 倍耐力轮胎股份公司 | Method and apparatus for checking tire |
| CN206618536U (en) * | 2017-04-05 | 2017-11-07 | 广州宝轮科技发展有限公司 | A kind of trouble-proof tire glue spraying dynamic balancing detection device |
| CN109307491A (en) * | 2017-07-28 | 2019-02-05 | 青岛海尔洗衣机有限公司 | A kind of detection system of inner cylinder |
| CN107796317A (en) * | 2017-11-28 | 2018-03-13 | 华中科技大学 | A kind of online thickness measurement with laser system and method for film |
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| Publication number | Publication date |
|---|---|
| CN114485375B (en) | 2022-07-01 |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A tire wall thickness measuring device and method Effective date of registration: 20230109 Granted publication date: 20220701 Pledgee: Postal Savings Bank of China Limited Shouguang sub branch Pledgor: Shandong Yousheng Tire Co.,Ltd. Registration number: Y2023980030746 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20220701 Pledgee: Postal Savings Bank of China Limited Shouguang sub branch Pledgor: Shandong Yousheng Tire Co.,Ltd. Registration number: Y2023980030746 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A tire wall thickness detection device and method Granted publication date: 20220701 Pledgee: Postal Savings Bank of China Limited Shouguang sub branch Pledgor: Shandong Yousheng Tire Co.,Ltd. Registration number: Y2024980006597 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |