CN113340621A - Method for testing healing capacity of self-repairing tire after piercing and rolling - Google Patents
Method for testing healing capacity of self-repairing tire after piercing and rolling Download PDFInfo
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- CN113340621A CN113340621A CN202110729759.3A CN202110729759A CN113340621A CN 113340621 A CN113340621 A CN 113340621A CN 202110729759 A CN202110729759 A CN 202110729759A CN 113340621 A CN113340621 A CN 113340621A
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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
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Abstract
A self-repairing tire post-piercing and rolling healing capacity testing method comprises the following operation steps: selecting sixteen self-repairing tires to be tested, averagely dividing the sixteen self-repairing tires into four groups by taking four self-repairing tires as a group, and installing the self-repairing tires in each group on respective vehicles under the same conditions; grouping and marking four groups, namely group A, group B, group C, group D and group E; starting four vehicles to respectively drive four self-repairing tires in the group A to respectively and sequentially roll the corresponding steel nails with the same diameter and different lengths; the invention discloses a method for testing the healing capacity of a self-repairing tire after piercing and rolling, which is characterized in that four vehicles are started to respectively drive four self-repairing tires in a group B to respectively sequentially roll the four self-repairing tires through corresponding steel nails with different diameters and different lengths.
Description
Technical Field
The invention relates to the field of tire testing, in particular to a method for testing the healing capacity of a self-repairing tire after piercing and rolling.
Background
With the development of science and technology, automobile tires are continuously developed, self-repairing tires are derived, namely, the self-repairing ability after being punctured is greatly improved compared with the prior art that the automobile cannot continuously run after being punctured, and the trouble that the automobile cannot run due to the fact that the tires are punctured when the automobile is used is reduced.
If the performance of the produced self-repairing tire needs to be evaluated, a series of tests need to be carried out, and then the self-repairing tire is continuously optimized according to test data so as to achieve the ideal effect of producing the required self-repairing tire.
Therefore, the application provides a method for testing the healing capacity of the self-repairing tire after piercing and rolling.
Disclosure of Invention
Objects of the invention
In order to solve the technical problems in the background art, the invention provides a method for testing the healing capacity of a self-repairing tire after piercing and rolling.
(II) technical scheme
In order to solve the problems, the invention provides a method for testing the healing capacity of a self-repairing tire after piercing and rolling, which comprises the following operation steps:
s1, selecting sixteen self-repairing tires to be tested, averagely dividing the sixteen self-repairing tires into four groups by taking four self-repairing tires as a group, and installing the self-repairing tires in each group on respective vehicles under the same condition;
s2, grouping and marking the four groups, namely group A, group B, group C, group D and group E;
s3, starting four vehicles to respectively drive four self-repairing tires in the group A to respectively and sequentially roll and pass through corresponding steel nails with the same diameter and different lengths; starting four vehicles to respectively drive four self-repairing tires in the B group to respectively and sequentially roll steel nails with different diameters and different lengths; starting four vehicles to respectively drive four self-repairing tires in the C group to respectively and sequentially roll the four self-repairing tires through corresponding steel nails with the same diameter and different heights, and simultaneously attaching burrs on the surfaces of the steel nails; starting four vehicles to respectively drive four self-repairing tires in the group D to be worn, respectively testing the four self-repairing tires through any one rolling steel nail in the group A, the group B and the group C, wherein the wear degree of the remaining one self-repairing tire in the group D is different from that of the other three self-repairing tires, and testing the remaining one self-repairing tire in the group A, the group B and the group C through any one rolling steel nail;
s4, observing the condition change of the self-repairing tire, and recording corresponding data and states in real time;
and S5, comparing the data obtained in the test, and performing comprehensive comparative analysis.
Preferably, the tests performed in groups A, B, C, D and E have the same field temperature, humidity, road friction, self-repairing tire pressure and vehicle.
Preferably, the steel nails can be selected from any one of a plurality of parallel rows, a single row and a disordered arrangement in the test of the self-repairing tire rolling steel nails in any one of the A group, the B group, the C group, the D group and the E group, and the steel nails used in the test are equal in material and roughness.
Preferably, in the B group self-repairing tire test, the values of the steel nails in the B group self-repairing tire test are equal to those of the steel nails in the A group self-repairing tire test in a one-to-one correspondence manner, so as to carry out comparison; the diameter values of the steel nails used in the group C are equal to those of the group A, and the steel nails are in one-to-one correspondence with the length values of the steel nails in the group B.
Preferably, observing a change in the condition of the self-repairing tire in the vehicle includes recording a change in the pressure of the tire and recording the degree of damage to the surface of the self-repairing tire.
Preferably, observing a change in the condition of the self-repairing tire in the vehicle further comprises observing a time and rate condition of the self-repairing tire from a change to no change in tire pressure.
Preferably, the self-repairing tire wear is light wear, moderate wear, heavy wear, and severe wear, respectively.
Preferably, the tests of groups A, B, C, D and E are performed simultaneously.
Preferably, the steel nail has a diameter value not greater than five millimeters, while the effective length value is greater than thirty millimeters.
The technical scheme of the invention has the following beneficial technical effects:
by setting four groups of tests, each group selects four self-repairing tires, each group of tests is compared with the self and simultaneously compared with other groups, the invariable and the variable are controlled to be compared under the same condition, the real abrasion degree is simulated and the tests are carried out simultaneously, so that the test accuracy is improved, the test contingency is avoided, the test data accuracy is further improved, and the defects of the self-repairing tires are continuously adjusted and optimized according to the test data to be optimal; the test method has the advantages of convenience in test and convenience in popularization.
Drawings
FIG. 1 is a flow chart of a method for testing the healing ability of a self-repairing tire after piercing and rolling according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in further detail with reference to the accompanying drawings in conjunction with the following detailed description. It should be understood that the description is intended to be exemplary only, and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in FIG. 1, the self-repairing tire healing capacity test method after piercing and rolling provided by the invention comprises the following operation steps:
s1, selecting sixteen self-repairing tires to be tested, averagely dividing the sixteen self-repairing tires into four groups by taking four self-repairing tires as a group, and installing the self-repairing tires in each group on respective vehicles under the same condition;
s2, grouping and marking the four groups, namely group A, group B, group C, group D and group E;
s3, starting four vehicles to respectively drive four self-repairing tires in the group A to respectively and sequentially roll and pass through corresponding steel nails with the same diameter and different lengths; starting four vehicles to respectively drive four self-repairing tires in the B group to respectively and sequentially roll steel nails with different diameters and different lengths; starting four vehicles to respectively drive four self-repairing tires in the C group to respectively and sequentially roll the four self-repairing tires through corresponding steel nails with the same diameter and different heights, and simultaneously attaching burrs on the surfaces of the steel nails; starting four vehicles to respectively drive four self-repairing tires in the group D to be worn, respectively testing the four self-repairing tires through any one rolling steel nail in the group A, the group B and the group C, wherein the wear degree of the remaining one self-repairing tire in the group D is different from that of the other three self-repairing tires, and testing the remaining one self-repairing tire in the group A, the group B and the group C through any one rolling steel nail;
s4, observing the condition change of the self-repairing tire, and recording corresponding data and states in real time;
and S5, comparing the data obtained in the test, and performing comprehensive comparative analysis.
In an alternative embodiment, the tests performed in groups A, B, C, D and E were performed at the same test site temperature, humidity, road friction, self-repair tire pressure and vehicle.
In an alternative embodiment, the steel nails can be selected from any one of a plurality of parallel rows, a single row and a disordered arrangement, and the steel nails used in the test are equal in material and roughness.
In an alternative embodiment, the B group self-repairing tire tests are equal to the test steel nail values in the A group in a one-to-one correspondence mode, and comparison is carried out; the diameter values of the steel nails used in the group C are equal to those of the group A, and the steel nails are in one-to-one correspondence with the length values of the steel nails in the group B.
In an alternative embodiment, observing a change in a condition of the self-repairing tire in the vehicle includes recording a change in tire pressure of the self-repairing tire and recording a degree of damage to a surface of the self-repairing tire.
In an alternative embodiment, observing a change in the condition of the self-repairing tire in the vehicle further comprises observing a time and rate condition of the self-repairing tire from a change in tire pressure to no change in tire pressure.
In an alternative embodiment, the self-repairing tire wears lightly, moderately, heavily, and heavily, respectively.
In an alternative embodiment, the tests of groups A, B, C, D and E are run simultaneously, thereby facilitating simultaneous comparison.
In an alternative embodiment, the diameter of the steel nail has a value not greater than five millimeters, while the effective length has a value greater than thirty millimeters, so as to ensure that the self-repairing tire is tested within a reasonable range.
In the invention, four groups of tests are set, four self-repairing tires are selected for each group, the tests in each group are compared with the self-repairing tires and simultaneously compared with other groups, the invariable and the variable are controlled to be compared under the same condition, the real abrasion degree is simulated and the tests are carried out simultaneously, so that the test accuracy is improved, the test contingency is avoided, the test data accuracy is further improved, and the defects of the self-repairing tires are continuously adjusted and optimized according to the test data to be optimal.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (9)
1. A self-repairing tire post-piercing and rolling healing capacity testing method is characterized by comprising the following operation steps:
s1, selecting sixteen self-repairing tires to be tested, averagely dividing the sixteen self-repairing tires into four groups by taking four self-repairing tires as a group, and installing the self-repairing tires in each group on respective vehicles under the same condition;
s2, grouping and marking the four groups, namely group A, group B, group C, group D and group E;
s3, starting four vehicles to respectively drive four self-repairing tires in the group A to respectively and sequentially roll and pass through corresponding steel nails with the same diameter and different lengths; starting four vehicles to respectively drive four self-repairing tires in the B group to respectively and sequentially roll steel nails with different diameters and different lengths; starting four vehicles to respectively drive four self-repairing tires in the C group to respectively and sequentially roll the four self-repairing tires through corresponding steel nails with the same diameter and different heights, and simultaneously attaching burrs on the surfaces of the steel nails; starting four vehicles to respectively drive four self-repairing tires in the group D to be worn, respectively testing the four self-repairing tires through any one rolling steel nail in the group A, the group B and the group C, wherein the wear degree of the remaining one self-repairing tire in the group D is different from that of the other three self-repairing tires, and testing the remaining one self-repairing tire in the group A, the group B and the group C through any one rolling steel nail;
s4, observing the condition change of the self-repairing tire, and recording corresponding data and states in real time;
and S5, comparing the data obtained in the test, and performing comprehensive comparative analysis.
2. The method of claim 1, wherein the testing of the groups A, B, C, D and E is conducted under conditions of equal temperature, humidity, road friction, self-repairing tire pressure and vehicle.
3. The method for testing the healing capacity of the self-repairing tire after piercing-rolling as claimed in claim 1, wherein the self-repairing tire is tested by rolling steel nails in any one of the groups A, B, C, D and E, the steel nails can be selected from any one of a plurality of rows, a single row and a disordered arrangement, and the steel nails used in the test are equal in material and roughness.
4. The method for testing the healing capacity of the self-repairing tire after piercing and rolling as claimed in claim 1, wherein in the self-repairing tire in the group B, the values of the steel nails in the test in the group A are equal in one-to-one correspondence for comparison; the diameter values of the steel nails used in the group C are equal to those of the group A, and the steel nails are in one-to-one correspondence with the length values of the steel nails in the group B.
5. The method of claim 1, wherein observing a change in the condition of the self-repairing tire comprises recording a change in pressure of the tire and a degree of damage to the surface of the self-repairing tire.
6. The method of claim 5, wherein observing a change in the condition of the self-repairing tire further comprises measuring a time and rate at which the self-repairing tire pressure changes to no change.
7. The method of claim 1, wherein the self-repairing tire is worn by light abrasion, moderate abrasion, heavy abrasion and severe abrasion.
8. The method of claim 1, wherein the tests of groups A, B, C, D and E are performed simultaneously.
9. The method of claim 1, wherein the steel stud has a diameter of no more than five millimeters and an effective length of greater than thirty millimeters.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110729759.3A CN113340621A (en) | 2021-06-29 | 2021-06-29 | Method for testing healing capacity of self-repairing tire after piercing and rolling |
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| CN202110729759.3A CN113340621A (en) | 2021-06-29 | 2021-06-29 | Method for testing healing capacity of self-repairing tire after piercing and rolling |
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| CN113340621A true CN113340621A (en) | 2021-09-03 |
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