CN113514360A - Tire rubber friction characteristic test system - Google Patents
Tire rubber friction characteristic test system Download PDFInfo
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- CN113514360A CN113514360A CN202111065519.4A CN202111065519A CN113514360A CN 113514360 A CN113514360 A CN 113514360A CN 202111065519 A CN202111065519 A CN 202111065519A CN 113514360 A CN113514360 A CN 113514360A
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- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
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- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
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- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
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- G01N19/02—Measuring coefficient of friction between materials
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Abstract
The invention discloses a tire rubber friction characteristic testing system, which belongs to the technical field of tire testing and comprises an environment acquisition module, a tire acquisition module, an environment processing module, a tire processing module, a data calculation module, an analysis matching module and a prompt module; the environment acquisition module is used for acquiring environment information of the tire test, and the environment information comprises temperature data, humidity data and road data; the tire acquisition module is used for acquiring data information of a tested tire, and the data information comprises type data, size data and pattern data of the tire; the environment processing module is used for marking and processing the acquired environment information to obtain environment processing information comprising temperature marking data, humidity marking data and road marking data; the invention is used for solving the technical problem of poor effect of the friction characteristic test of the tire rubber in the existing scheme.
Description
Technical Field
The invention relates to the technical field of tire testing, in particular to a tire rubber friction characteristic testing system.
Background
Tires are circular ring-shaped elastic rubber products assembled on various vehicles or machines, and are usually mounted on a metal rim; according to the motion form, the friction is divided into sliding friction and rolling friction, wherein the former is the friction when two objects in mutual contact slide relatively or have a relative sliding tendency, and the latter is the friction when two objects in mutual contact roll relatively or have a relative rolling tendency.
The invention patent of publication number CN111929186A discloses a tire wear performance testing system, which comprises a testing chamber; the bottom of the inner cavity of the test chamber is provided with a simulated pavement; the top of the test chamber is provided with a pressure applying device, a tire for test is rotatably arranged on the pressure applying device, and the pressure applying device applies pressure to the tire to enable the tire to be abutted against a simulated road surface; the pressing device is also provided with a driving system, and the driving system drives the tire to rotate so as to test the wear resistance of the tire; the device also comprises a turning angle adjusting mechanism, wherein the turning angle adjusting mechanism drives the tire to rotate by a corresponding angle to simulate the tire to turn; the simulated pavement comprises a chain scraper conveyor, and a band-type brake mechanism is further mounted on the chain scraper conveyor and used for testing the wear resistance between the tire and the simulated pavement when the tire slips. The invention provides a tire wear performance testing system which is used for testing the wear resistance of a tire. However, data collection is not performed from different aspects, such as the influence of different types of roads on tire testing, the influence of the size and pattern of the tire on friction testing, and the like, so that the different types of tires are easily interfered by other factors during testing, and the testing result is not accurate.
Disclosure of Invention
The invention aims to provide a tire rubber friction characteristic testing system, which solves the following technical problems: how to solve the not good technical problem of effect of tire rubber frictional characteristic test among the current scheme.
The purpose of the invention can be realized by the following technical scheme:
a tire rubber friction characteristic testing system comprises an environment acquisition module, a tire acquisition module, an environment processing module, a tire processing module, a data calculation module, an analysis matching module and a prompt module;
the environment acquisition module is used for acquiring environment information of the tire test, and the environment information comprises temperature data, humidity data and road data; the tire acquisition module is used for acquiring data information of a tested tire, and the data information comprises type data, size data and pattern data of the tire; the environment processing module is used for marking and processing the acquired environment information to obtain environment processing information comprising temperature marking data, humidity marking data and road marking data; the tire processing module is used for marking and processing the acquired data information to obtain data processing information containing type marking data, size marking data and pattern marking data; the data calculation module is used for respectively calculating the environment processing information and the data processing information to obtain an environment ring shadow value and a tire similar shadow value, and performing simultaneous calculation on the environment ring shadow value and the tire similar shadow value to obtain a measured value; the analysis matching module is used for analyzing the score values to obtain an analysis matching set; the prompting module is used for prompting the test of the friction characteristic of the tire rubber according to the analysis matching set.
Further, the specific steps of marking and processing the collected environment information include: acquiring temperature data, humidity data and road data in the environmental information, taking and marking real-time temperature in the temperature data, and marking the real-time temperature as SSwi, wherein i =1,2,3.. n; taking and marking the real-time humidity in the humidity data, and marking the real-time humidity as SSSI; acquiring a road type in the road data and marking the road type as DLLi; setting different road types to correspond to different road preset values, matching the road types in the road data with all the road types to obtain the corresponding road preset values, and marking the road preset values as DLYi; classifying and combining the marked real-time temperature, real-time humidity, road type and road preset value to obtain temperature marking data, humidity marking data and road marking data; the temperature marking data, the humidity marking data and the road marking data constitute environment processing information.
Further, the specific steps of marking and processing the collected data information include: obtaining the type data, the size data and the pattern data of the tire in the data information, obtaining the tire type in the type data and marking as LLI; setting different tire types to correspond to a wheel type correlation value, matching the tire types in the type data with all the tire types to obtain corresponding wheel type correlation values, and marking the wheel type correlation values as LLGi; obtaining the radius and the width of the tire in the size data, and respectively taking values of the radius and the width of the tire and marking the values as LTBi and LTKi; obtaining the pattern type and the pattern depth in the pattern data, matching the pattern type with a preset pattern association table to obtain a corresponding pattern association value, and marking the pattern association value as HWGi; taking values of the pattern depth and marking the values as HWSi; combining the marked tire type with the wheel type correlation value to obtain type mark data; combining the marked tire radius and tire width to obtain size marking data; combining the pattern type, the pattern correlation value and the pattern depth to obtain pattern mark data; the type mark data, the size mark data, and the pattern mark data constitute data processing information.
Further, the specific step of performing calculation processing on the environment processing information includes: acquiring various items of data marked in the environment processing information, carrying out normalization processing and value taking, and utilizing a formula
Calculating a ring shadow value of the acquisition environment; the a1 and the a2 are expressed as different proportionality coefficients, DLYi is expressed as a road preset value corresponding to a road type, SSwi is expressed as real-time temperature, and SSSi is expressed as real-time humidity.
Further, the specific step of performing calculation processing on the data processing information includes: acquiring various items of marked data in the data processing information, carrying out normalization processing and value taking, and utilizing a formula
Calculating and acquiring a similar shadow value of the tire; wherein b1 and b2 are expressed as different proportionality coefficients, LLGi is expressed as a wheel-type related value corresponding to the tire type, HWX is expressed as a pattern coefficient, LTBi is expressed as a tire radius, and LTKi is expressed as a tire width.
Further, by the formula
Calculating to obtain a pattern coefficient; the pattern compensation factor is represented, the value range is (0, 5), the HWGi is represented as a pattern related value corresponding to the pattern type, the HWSi is represented as a pattern depth, and the HWKi is represented as a pattern width.
Further, the ring shadow value and the similar shadow value are processed by formulas
Performing simultaneous calculation to obtain a measurement value, wherein YSi is expressed as tire measurementSpeed at test time.
Further, the specific steps of analyzing the score include: matching the measured value with a preset measured range, and if the measured value is not greater than the minimum value of the measured range, judging that the friction characteristic of the tire rubber is unqualified and generating a first analysis signal; if the measured value is larger than the minimum value of the measured range and not larger than the maximum value of the measured range, judging that the friction characteristic of the tire rubber is qualified and generating a second analysis signal; and if the measured value is larger than the maximum value of the measured range, judging that the friction characteristic of the tire rubber is excellent and generating a third analysis signal, wherein the first analysis signal, the second analysis signal and the third analysis signal form an analysis matching set.
Further, the specific step of prompting the test result according to the analysis matching set comprises: acquiring and analyzing an analysis matching set, and if the analysis matching set contains a first analysis signal, marking a tire corresponding to the first analysis signal as an unqualified tire and generating a friction characteristic unqualified prompt; if the analysis matching set contains a second analysis signal, marking the tire corresponding to the second analysis signal as a qualified tire and generating a friction characteristic qualified prompt; if the analysis matching set comprises the third analysis signal, marking the tire corresponding to the third analysis signal as a good tire and generating a friction characteristic good prompt.
The invention has the beneficial effects that:
1. the environment processing method comprises the steps that environment information of a tire test is collected through an environment collection module, data information of the tire to be tested is collected through the tire collection module, and the collected environment information is marked and processed through an environment processing module to obtain environment processing information containing temperature marking data, humidity marking data and road marking data; marking and processing the acquired data information through a tire processing module to obtain data processing information containing type marking data, size marking data and pattern marking data; by marking various collected data, the diversity of the data can be improved, the calculation is convenient, and reliable data support is provided for the analysis of the test result;
2. respectively calculating and processing the environment processing information and the data processing information through a data calculation module to obtain an environment ring shadow value and a tire class shadow value, and performing simultaneous calculation on the environment ring shadow value and the tire class shadow value to obtain a measured value; the collected data are simultaneously calculated, so that the data are linked to facilitate integral analysis; analyzing the score value through an analysis matching module to obtain an analysis matching set; prompting the test of the friction characteristic of the tire rubber through a prompting module; the tire friction characteristic testing device can test tires of different types and patterns of different types in different environments, and effectively improves the accuracy of tire rubber friction characteristic testing analysis.
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The invention will be further described with reference to the accompanying drawings.
FIG. 1 is a block diagram of a tire rubber friction characteristic testing system according to the present invention.
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.
Referring to fig. 1, the present invention is a tire rubber friction characteristic testing system, which includes an environment acquisition module, a tire acquisition module, an environment processing module, a tire processing module, a data calculation module, an analysis matching module, and a prompt module;
the friction characteristic refers to the phenomenon that resistance is generated at a contact part when two objects in mutual contact move relatively or have a relative movement trend, and the resistance generated due to friction is called as friction force; in this embodiment, comprehensive analysis and consideration are performed from the aspects of environment and tire itself, the temperature, humidity and road in the aspect of environment all affect the rubber friction test of the tire, the data related to the type, size and pattern in the aspect of tire itself also affect the accuracy of the test, the data related to the tire test are collected and calculated simultaneously, local processing and calculation are performed on the aspects of environment and tire itself, and finally, joint analysis is performed, so that the comprehensiveness and diversity of data are improved, and effective data support can be provided for the analysis of the tire rubber friction characteristic test.
The environment acquisition module is used for acquiring environment information of the tire test, and the environment information comprises temperature data, humidity data and road data; the tire acquisition module is used for acquiring data information of a tested tire, and the data information comprises type data, size data and pattern data of the tire; the environment processing module is used for marking and processing the acquired environment information to obtain environment processing information comprising temperature marking data, humidity marking data and road marking data; the method comprises the following specific steps: acquiring temperature data, humidity data and road data in the environmental information, taking and marking real-time temperature in the temperature data, and marking the real-time temperature as SSwi, wherein i =1,2,3.. n; taking and marking the real-time humidity in the humidity data, and marking the real-time humidity as SSSI; acquiring a road type in the road data and marking the road type as DLLi; setting different road types to correspond to different road preset values, matching the road types in the road data with all the road types in the database to obtain the corresponding road preset values, and marking the road preset values as DLYi; classifying and combining the marked real-time temperature, real-time humidity, road type and road preset value to obtain temperature marking data, humidity marking data and road marking data; the temperature marking data, the humidity marking data and the road marking data form environment processing information; wherein different types of roads may affect the testing of tire friction characteristics, and the types of roads may include, but are not limited to, asphalt roads and cement roads;
in the embodiment, the temperature data, the humidity data and the road data in the aspect of environment are collected for marking, data support is provided for testing and analyzing the friction characteristics of the tire in the aspect of environment, collected data are marked, the data with numerical values are directly subjected to value taking and marking, the data without numerical values are subjected to corresponding numerical values and marking according to preset rules, simultaneous calculation of the data with various values is facilitated, and the efficiency and the accuracy of data calculation in the aspect of environment can be improved.
The tire processing module is used for marking and processing the acquired data information to obtain data processing information containing type marking data, size marking data and pattern marking data; the method comprises the following specific steps: obtaining the type data, the size data and the pattern data of the tire in the data information, obtaining the tire type in the type data and marking as LLI; setting different tire types to correspond to a wheel type correlation value, matching the tire types in the type data with all the tire types in the database to obtain corresponding wheel type correlation values, and marking the wheel type correlation values as LLGi; obtaining the radius and the width of the tire in the size data, and respectively taking values of the radius and the width of the tire and marking the values as LTBi and LTKi; obtaining the pattern type and the pattern depth in the pattern data, matching the pattern type with a pattern association table preset in a database to obtain a corresponding pattern association value, and marking the pattern association value as HWGi; wherein, the pattern types include but are not limited to general patterns, cross-country patterns and mixed patterns; taking values of the pattern depth and marking the values as HWSi; combining the marked tire type with the wheel type correlation value to obtain type mark data; combining the marked tire radius and tire width to obtain size marking data; combining the pattern type, the pattern correlation value and the pattern depth to obtain pattern mark data; the type mark data, the size mark data and the pattern mark data form data processing information;
in the embodiment, data information of the tire is collected for marking and processing, data support is provided for test and analysis of the friction characteristics of the tire from the aspect of the tire, wherein the friction characteristics of the tire can be influenced by different types of tires and different types of patterns, and values and marks are obtained by collecting data of the tire types, the tire sizes, the pattern types, the pattern depths and the like, so that simultaneous calculation of various data of the tire is facilitated, and the efficiency and the accuracy of data calculation of the tire can be improved.
The data calculation module is used for respectively calculating and processing the environment processing information and the data processing information to obtain the ring shadow value and the wheel of the environmentThe shadow-like value of the tire comprises the following specific steps: acquiring various items of data marked in the environment processing information, carrying out normalization processing and value taking, and utilizing a formula
Calculating a ring shadow value of the acquisition environment; the road type real-time humidity detection method comprises the following steps that a1 and a2 are expressed as different proportionality coefficients, DLYi is expressed as a road preset value corresponding to a road type, SSwi is expressed as real-time temperature, and SSSi is expressed as real-time humidity;
acquiring various items of marked data in the data processing information, carrying out normalization processing and value taking, and utilizing a formula
Calculating and acquiring a similar shadow value of the tire; wherein b1 and b2 are expressed as different proportionality coefficients, LLGi is expressed as a wheel type correlation value corresponding to the tire type, HWX is expressed as a pattern coefficient, LTBi is expressed as a tire radius, and LTKi is expressed as a tire width;
by the formula
Calculating to obtain a pattern coefficient; the value of the pattern compensation factor is 0.696251, the HWGi is a pattern correlation value corresponding to the pattern type, the HWSi is a pattern depth, and the HWKi is a pattern width;
passing the ring shadow value and the similar shadow value through a formula
Performing simultaneous calculation to obtain a measurement value, wherein YSi represents the speed of the tire during testing;
in this embodiment, earlier calculate the data of the different aspects of gathering alone, carry out the result of calculating simultaneously again, be convenient for carry out the overall analysis to the test of tire frictional characteristic, can realize testing the tire of different grade type and the decorative pattern of different grade type under the environment of difference, effectively improved data analysis's accuracy and variety, can overcome test data in the current scheme and be incomplete, lead to the inaccurate defect of test result.
The analysis matching module is used for analyzing the score values to obtain an analysis matching set; the method comprises the following specific steps: matching the measured value with a preset measured range, and if the measured value is not greater than the minimum value of the measured range, judging that the friction characteristic of the tire rubber is unqualified and generating a first analysis signal; if the measured value is larger than the minimum value of the measured range and not larger than the maximum value of the measured range, judging that the friction characteristic of the tire rubber is qualified and generating a second analysis signal; and if the measured value is larger than the maximum value of the measured range, judging that the friction characteristic of the tire rubber is excellent and generating a third analysis signal, wherein the first analysis signal, the second analysis signal and the third analysis signal form an analysis matching set.
The prompting module prompts the test of the friction characteristic of the tire rubber according to the analysis matching set; the method comprises the following specific steps: acquiring and analyzing an analysis matching set, if the analysis matching set contains a first analysis signal, marking a tire corresponding to the first analysis signal as an unqualified tire, and generating a friction characteristic unqualified prompt; if the analysis matching set contains a second analysis signal, marking the tire corresponding to the second analysis signal as a qualified tire, and generating a friction characteristic qualified prompt; and if the analysis matching set comprises the third analysis signal, marking the tire corresponding to the third analysis signal as a good tire and generating a suggestion that the friction characteristic is good.
In this embodiment, by analyzing the measurement and score values obtained after the simultaneous calculation, whether the friction characteristics of the tire rubber are excellent or not can be obtained based on the analysis results of the measurement and score values, the analysis results include that the friction characteristics are unqualified, qualified and excellent, and different prompts are generated according to different test results.
All the formulas are obtained by removing dimensions and calculating numerical values of the dimensions, a large amount of data is collected to perform software simulation to obtain a formula closest to a real situation, and the preset proportionality coefficient and the threshold value in the formula are set by a person skilled in the art according to an actual situation or are obtained through simulation of a large amount of data.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate member, or they may be connected through two or more elements. The specific meaning of the above terms in the present invention can be understood in a specific case by those skilled in the art.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (7)
1. A tire rubber friction characteristic testing system, comprising: the environment acquisition module acquires environment information of a tire test; the tire acquisition module acquires data information of a tested tire; the environment processing module marks and processes the acquired environment information to obtain environment processing information comprising temperature marking data, humidity marking data and road marking data; the tire processing module marks and processes the acquired data information to obtain data processing information containing type marking data, size marking data and pattern marking data;
the data calculation module respectively performs calculation processing on the environment processing information and the data processing information by using a formula
Calculating a ring shadow value of the acquisition environment; the road type real-time humidity detection method comprises the following steps that a1 and a2 are expressed as different proportionality coefficients, DLYi is expressed as a road preset value corresponding to a road type, SSwi is expressed as real-time temperature, and SSSi is expressed as real-time humidity; using formulas
Calculating and acquiring a similar shadow value of the tire; wherein b1 and b2 are expressed as different proportionality coefficients, and LLGi is expressed as a tire classThe wheel type correlation value corresponding to the model is represented by HWX as a pattern coefficient, LTBi is represented by the radius of the tire, and LTKi is represented by the width of the tire;
simultaneously calculating the ring shadow value and the similar shadow value to obtain a measured value; the analysis matching module performs analysis operation on the score values to obtain an analysis matching set; and the prompting module prompts the test result according to the analysis matching set.
2. The tire rubber friction characteristic testing system of claim 1, wherein the specific steps of marking and processing the collected environmental information include: acquiring temperature data, humidity data and road data in the environmental information, and respectively taking values and marking real-time temperature in the temperature data and real-time humidity in the humidity data; acquiring a road type in the road data and a road preset value corresponding to the road type and marking the road type and the road preset value; and classifying and combining the marked real-time temperature, real-time humidity, road type and road preset value to obtain temperature marking data, humidity marking data and road marking data.
3. The tire rubber friction characteristic testing system of claim 2, wherein the specific steps of marking and processing the collected data information comprise: obtaining type data, size data and pattern data of the tire in the data information, obtaining the tire type in the type data and the wheel type correlation value corresponding to the tire type and marking; obtaining the tire radius and the tire width in the size data, and respectively carrying out value taking and marking; obtaining the pattern type and the pattern depth in the pattern data, and marking the pattern type and the pattern correlation value corresponding to the pattern type; carrying out value taking and marking on the depth of the patterns; and classifying and combining the marked data to obtain type mark data, size mark data and pattern mark data.
4. A tire rubber friction characteristic testing system according to claim 3, characterized by passing through a formula
Calculating to obtain a pattern coefficient; the pattern compensation factor is expressed, HWGi is expressed as a pattern correlation value corresponding to a pattern type, HWSi is expressed as a pattern depth, and HWKi is expressed as a pattern width.
5. The tire rubber friction characteristic testing system of claim 4, wherein the ring shadow value and the image-like value are expressed by a formula
Simultaneous calculation was performed to obtain a measurement value, where YSi is expressed as the speed at which the tire was tested.
6. The tire rubber friction characteristic testing system according to claim 5, wherein the specific step of analyzing the score value comprises: and matching the measurement value with a preset measurement range to obtain an analysis matching set containing the first analysis signal, the second analysis signal and the third analysis signal.
7. The tire rubber friction characteristic testing system of claim 6, wherein the specific step of prompting the test result according to the analysis matching set comprises: and respectively generating the prompts of unqualified, qualified and excellent friction characteristics according to the first analysis signal, the second analysis signal and the third analysis signal in the analysis matching set.
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| CN112208273A (en) * | 2020-10-19 | 2021-01-12 | 长沙理工大学 | Intelligent tire state detection device and vehicle control method and device based on intelligent tire state detection device |
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2021
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| DD106700A1 (en) * | 1973-09-17 | 1974-06-20 | ||
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| CN201607377U (en) * | 2008-10-02 | 2010-10-13 | 福特全球技术公司 | Testing machine for testing tire/wheel assembly |
| CN101533571A (en) * | 2009-04-24 | 2009-09-16 | 昆明理工大学 | Simulated experiment system for driving in environment with people, vehicles and roads |
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