CN111780998A - Tire rolling fatigue simulator - Google Patents
Tire rolling fatigue simulator Download PDFInfo
- Publication number
- CN111780998A CN111780998A CN202010818438.6A CN202010818438A CN111780998A CN 111780998 A CN111780998 A CN 111780998A CN 202010818438 A CN202010818438 A CN 202010818438A CN 111780998 A CN111780998 A CN 111780998A
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- Prior art keywords
- roller
- road surface
- tire
- surface simulation
- simulation roller
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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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/02—Tyres
- G01M17/021—Tyre supporting devices, e.g. chucks
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/02—Details
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/0058—Kind of property studied
- G01N2203/0069—Fatigue, creep, strain-stress relations or elastic constants
- G01N2203/0073—Fatigue
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/022—Environment of the test
- G01N2203/0244—Tests performed "in situ" or after "in situ" use
- G01N2203/0246—Special simulation of "in situ" conditions, scale models or dummies
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/025—Geometry of the test
- G01N2203/0258—Non axial, i.e. the forces not being applied along an axis of symmetry of the specimen
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2203/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N2203/02—Details not specific for a particular testing method
- G01N2203/026—Specifications of the specimen
- G01N2203/0262—Shape of the specimen
- G01N2203/0278—Thin specimens
- G01N2203/0282—Two dimensional, e.g. tapes, webs, sheets, strips, disks or membranes
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Tires In General (AREA)
Abstract
The invention relates to a tire rolling fatigue simulator, and belongs to the technical field of tire performance testing devices. A driving motor I drives a road surface simulation roller to rotate through a universal shaft I, and block-shaped bulges are paved on the outer surface of the road surface simulation roller along the axial direction of the road surface simulation roller; the driving motor II drives the tire sheet mounting roller to rotate through the universal shaft II, and the tire sheet mounting roller is fixedly provided with a tire sheet on the surface through a movable pressing sheet; two ends of the road surface simulation roller and two ends of the tire piece mounting roller are respectively erected between the fixing frame I and the fixing frame II, two ends of the road surface simulation roller are mounted on the adjusting structure, and the distance between the road surface simulation roller and the adjusting structure is adjusted; the cams are arranged at the two ends of the road surface simulation roller, the road surface simulation roller rotates and moves along the axial direction, and the road surface simulation friction effect is more vivid; the diameters of the road surface simulation roller and the tire piece mounting roller are prime numbers mutually, and the road surface simulation roller and the tire piece mounting roller are contacted with each other to form a friction pair, so that the tire piece can be ensured to accept the abrasion of any bulge on the road surface simulation roller.
Description
Technical Field
The invention relates to a tire rolling fatigue simulator, and belongs to the technical field of tire performance testing devices.
Background
At present, in the laboratory environment, the high-cost real finished tire performance testing machine is not suitable for, and is not economical, and when the current wear resistance to the tire carries out the detection operation, the detection equipment who adopts often is traditional structure, though can satisfy the needs that use, but on the one hand equipment structure is bulky, and the running cost is high, and on the other hand adjusts the flexibility poor when detecting the operation. A testing device for an actual finished tire is disclosed in patent CN108871815A, an all-weather and full-cycle tire performance testing method and equipment, publication, CN103076191B, a complex environment tire excitation abrasion testing machine and authorization.
CN 108871813A-a high emulation tire performance testing laboratory bench-open, introduce a high emulation tire performance testing laboratory bench, this invention simple structure, it is flexible and convenient to use, the commonality is good, the degree of automation of operation, detection precision and detection efficiency are high, can effectively satisfy the needs of all kinds of size model detection operation on the one hand, on the other hand can be effectual to all kinds of operational environment, load-bearing environment, road surface environment simulation of tire in the course of detecting the operation, thus can obtain the wear data of tire in all kinds of environment operation effectively, offer the reliable basis for tire product design, use.
The above-described apparatus is directed to a finished tire, and when the tire pieces are tested in a laboratory several times to obtain the optimum tire surface rubber layer formulation, the finished tire is obviously costly and unsuitable for use, so that an apparatus is urgently needed to meet the current situation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a tire rolling fatigue simulator.
The tire rolling fatigue simulator comprises a road surface simulation device, a tire piece installation device and a fixed adjusting device, wherein the road surface simulation device and the tire piece installation device are in close contact and are both positioned on the fixed adjusting device; wherein:
the road surface simulation device comprises a driving motor I, a universal shaft I and a road surface simulation roller which are coaxially and sequentially installed, wherein the driving motor I drives the road surface simulation roller to rotate through the universal shaft I, and block-shaped bulges are paved on the outer surface of the road surface simulation roller along the axial direction of the road surface simulation roller;
the tire piece mounting device comprises a driving motor II, a universal shaft II and a tire piece mounting roller which are coaxially and sequentially mounted, the driving motor II drives the tire piece mounting roller to rotate through the universal shaft II, and a tire piece is fixedly arranged on the surface of the tire piece mounting roller through a movable pressing piece;
the fixed adjusting device comprises two rows of fixing frames I and II which are arranged in parallel and an adjusting structure, wherein two ends of the road surface simulation roller and two ends of the tire piece mounting roller are erected between the fixing frames I and II, two ends of the road surface simulation roller are mounted on the adjusting structure, and the distance between the two ends of the road surface simulation roller and the road surface simulation roller is adjusted through the adjusting structure;
the two ends of the road surface simulation roller are provided with cams, and the road surface simulation roller rotates and moves along the axial direction; the diameters of the road surface simulation roller and the tire piece mounting roller are prime numbers mutually, and the road surface simulation roller and the tire piece mounting roller are contacted with each other to form a friction pair.
Preferably, the adjusting structure comprises a movable block, a sensor and a driving motor III, the movable block is located at two ends of the road surface simulation roller, the sensor adopts a pull-press type sensor, the driving motor III drives the movable block to move through the sensor and provides extrusion force of the pull-press type sensor, and the road surface simulation roller moves relative to the tire piece mounting roller.
Preferably, the block-shaped bulges are 1/2-1/4 hemispheres which are uniformly distributed on the surface of the road surface simulation roller, and the tire piece mounting rollers with the diameters being prime numbers mutually receive the abrasion of any block-shaped bulges on the road surface simulation roller.
Preferably, the cams may be installed at both ends of the tire patch installation roller, and only one of the tire patch installation roller and the road surface simulation roller is provided with the cam.
Preferably, the tire piece mounting roller is provided with a plurality of grooves on the surface along the axial direction, two sides of the tire piece are clamped in the grooves through pressing plates, and the tire piece is wrapped on the surface of the tire piece mounting roller at intervals.
Preferably, the tire sheet is a sheet structure prepared in advance for testing the performance of the tire.
Preferably, the length of the tyre piece is consistent with the distance between every two grooves, and the material and the thickness of the tyre piece between every two adjacent grooves are consistent.
Preferably, the width of the tyre piece is smaller than that of the block-shaped bulges, and the block-shaped bulges are arranged on the road surface simulation roller according to a certain rule.
The invention has the beneficial effects that: the tire rolling fatigue simulator provided by the invention has the advantages that the tire sheet is installed through the tire sheet installation roller instead of a finished tire, and the fatigue degree and the material are tested in the same way, so that the test cost is reduced; the cams are arranged at the two ends of the road surface simulation roller, so that the simulation roller can rotate and increase axial movement at the same time, and the road surface simulation friction effect is more vivid; the diameters of the road surface simulation roller and the tire piece mounting roller are prime numbers, so that the tire piece can be ensured to accept the abrasion of any bulge on the road surface simulation roller; the distance between the road surface simulation roller and the tire piece mounting roller is automatically adjusted through the adjusting mechanism.
Drawings
Fig. 1 is one of perspective views of the present invention.
Fig. 2 is a schematic structural view with a housing.
Fig. 3 is a second perspective view of the present invention.
Fig. 4 is a top view of the present invention.
Fig. 5 is a left side view of the present invention.
Fig. 6 is a front view of the present invention.
In the figure: 1. driving a motor I; 2. a universal shaft I; 3. driving a motor II; 4. a cardan shaft II; 5. a fixing frame I; 6. a fixing frame II; 7. a road surface simulation roller; 8. a tire patch mounting roller; 9. adjusting the structure I; 10. adjusting structure II; 101. a movable block; 102. a sensor; 103. driving a motor III; 11. a housing.
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.
Example 1:
the design and test of the tyre slice formula need to test the tyre slices produced by different formulas to obtain the optimal formula, and how to test the real rolling fatigue related data of the tyre slices is a problem which needs to be solved urgently at present.
As shown in fig. 1 to 6, the tire rolling fatigue simulator according to the present invention includes a road surface simulation device, a tire piece mounting device, and a fixing and adjusting device, wherein the road surface simulation device and the tire piece mounting device are in close contact and are both located on the fixing and adjusting device.
The road surface simulation device comprises a driving motor I1, a universal shaft I2 and a road surface simulation roller 7 which are coaxially and sequentially installed, the driving motor I1 drives the road surface simulation roller 7 to rotate through the universal shaft I2, and block-shaped bulges are paved on the outer surface of the road surface simulation roller 7 along the axial direction of the road surface simulation roller; the tyre piece mounting device comprises a driving motor II 3, a universal shaft II 4 and a tyre piece mounting roller 8 which are coaxially and sequentially mounted, the driving motor II 3 drives the tyre piece mounting roller 8 to rotate through the universal shaft II 4, and the tyre piece is fastened on the surface of the tyre piece mounting roller 8 through a movable pressing piece.
The fixed adjusting device comprises two rows of fixing frames I5 and II 6 which are arranged in parallel and an adjusting structure 10, wherein the two ends of the road surface simulation roller 7 and the two ends of the tire piece mounting roller 8 are erected between the fixing frames I5 and II 6, the two ends of the road surface simulation roller 7 are mounted on the adjusting structure 10, and the distance between the road surface simulation roller 7 and the adjusting structure 10 is adjusted.
The two ends of the road surface simulation roller 7 are provided with cams, and the road surface simulation roller 7 rotates and moves along the axial direction; the diameters of the road surface simulation roller 7 and the tire piece mounting roller 8 are prime numbers and the two contact with each other to form a friction pair.
As shown in fig. 2, the casing 11 is installed outside the road surface simulation roller 7 and outside the tire piece installation roller 8, so as to ensure the safety of the operator.
As shown in fig. 3 to 5, the tire piece mounting roller 8 is provided with a plurality of grooves on the surface along the axial direction, two sides of the tire piece are clamped in the grooves by the pressing plates, and the tire piece is wrapped on the surface of the tire piece mounting roller 8 at intervals.
The tire piece is a sheet structure which is made in advance for testing the performance of the tire.
The length of the tire piece is consistent with the distance between the spaced grooves, and the material and the thickness of the tire piece between the adjacent grooves are consistent.
The width of the tyre piece is smaller than that of the block-shaped bulges, and the block-shaped bulges are arranged on the road surface simulation roller 7 according to a certain rule. The block-shaped bulges are 1/2-1/4 hemispheres and are uniformly distributed on the surface of the road surface simulation roller 7, and the tire piece mounting roller 8 with the diameters being prime numbers mutually receives the abrasion of any block-shaped bulge on the road surface simulation roller 7.
As shown in FIG. 5, the driving motor I1 and the driving motor II 3 are respectively connected with the corresponding roller shafts through the universal shafts I2 and II 4, because the universal shafts output torque and allow a certain angle deviation between the two end parts. Namely, after the distance between the road surface simulation roller 7 and the tire piece mounting roller 8 is adjusted through the adjusting structure 10, the driving motor I1 can still ensure to provide continuous torque for the road surface simulation roller 7 under the condition of not adjusting the position, and the continuous rotation of the road surface simulation roller 7 is ensured.
As shown in fig. 6, the adjusting structure 10 includes a movable block 101, a sensor 102 and a driving motor iii 103, the movable block 101 is located at two ends of the road surface simulation roller 7, the sensor 102 is a pull-press type sensor, the driving motor iii 103 drives the movable block 101 to displace through the sensor 102 and provides a pressing force of the pull-press type sensor, and the road surface simulation roller 7 displaces relative to the tire piece installation roller 8.
The cams may be installed at both ends of the tire chip mounting roller 8, and only one of the tire chip mounting roller 8 and the road surface simulation roller 7 is provided with the cam.
The use process of the invention is as follows: the driving motor I1 drives the road surface simulation roller 7 to rotate through the universal shaft I2, and the cams are installed at the two ends of the road surface simulation roller 7, so that the road surface simulation roller 7 moves along the axial direction and rotates along the universal shaft I2, the friction of a road surface on a tire is simulated, and the block-shaped bulges on the road surface simulation roller 7 can be worn at any position of a tire piece; a tyre piece mounting roller 8 is arranged in parallel with the road surface simulation roller 7, the driving motor II 3 drives the tyre piece mounting roller 8 through a universal shaft II 4, a plurality of tyre pieces for replacing finished tyres are tightly pressed on the tyre piece mounting roller 8, and the test cost is reduced by testing the tyre pieces instead of the complete tyres; in addition, in the aspect of extrusion force between the road surface simulation roller 7 and the tire piece mounting roller 8, by adding the adjusting structure I9 and the adjusting structure 10 II, when the adjusting structure I9 and the adjusting structure 10 II simultaneously drive two ends of the road surface simulation roller 7 to displace, the distance between the road surface simulation roller 7 and the tire piece mounting roller 8 changes, so that the extrusion force between the road surface simulation roller 7 and the tire piece mounting roller 8 is adjusted, and different test requirements are met; in addition, in order to accurately control the magnitude of the pressing force, sensors 102 for detecting the pulling force and the pressing force are additionally arranged on the adjusting structure I9 and the adjusting structure 10 II.
Therefore, the tire rolling fatigue simulator provided by the invention has the advantages that the tire sheet is installed through the tire sheet installation roller 8 instead of a finished tire, and the fatigue degree and the material are tested at the same time, so that the test cost is reduced; the cams are arranged at the two ends of the road surface simulation roller 7, so that the simulation roller can rotate and increase axial movement at the same time, and the road surface simulation friction effect is more vivid; the diameters of the road surface simulation roller 7 and the tire piece mounting roller 8 are prime numbers, so that the tire piece can be ensured to accept the abrasion of any bulge on the road surface simulation roller 7; the distance between the road surface simulation roller 7 and the tire piece mounting roller 8 is automatically adjusted through an adjusting mechanism.
The invention can be widely applied to the occasions of tire performance testing devices.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. The utility model provides a tire rolling fatigue analog machine, its characterized in that, includes road surface emulation device, tyre piece installation device and fixed adjusting device, road surface emulation device and tyre piece installation device in close contact with just all are located fixed adjusting device, wherein:
the road surface simulation device comprises a driving motor I (1), a universal shaft I (2) and a road surface simulation roller (7) which are coaxially and sequentially installed, wherein the driving motor I (1) drives the road surface simulation roller (7) to rotate through the universal shaft I (2), and the road surface simulation roller (7) is provided with block-shaped bulges on the outer surface along the axial direction of the road surface simulation roller;
the tire piece mounting device comprises a driving motor II (3), a universal shaft II (4) and a tire piece mounting roller (8) which are coaxially and sequentially mounted, the driving motor II (3) drives the tire piece mounting roller (8) to rotate through the universal shaft II (4), and a tire piece is fastened on the surface of the tire piece mounting roller (8) through a movable pressing piece;
the fixed adjusting device comprises two rows of fixing frames I (5) and II (6) which are arranged in parallel and an adjusting structure, two ends of the road surface simulation roller (7) and two ends of the tire piece mounting roller (8) are erected between the fixing frames I (5) and II (6), two ends of the road surface simulation roller (7) are mounted on the adjusting structure, and the distance between the road surface simulation roller (7) and the adjusting structure is adjusted;
cams are arranged at two ends of the road surface simulation roller (7), and the road surface simulation roller (7) rotates and moves along the axial direction; the diameters of the road surface simulation roller (7) and the tire piece mounting roller (8) are prime numbers, and the diameters are contacted with each other to form a friction pair.
2. The tire rolling fatigue simulator according to claim 1, wherein the adjusting structure comprises a movable block (101), a sensor (102) and a driving motor III (103), the movable block (101) is located at two ends of the road surface simulation roller (7), the sensor (102) adopts a pull-press type sensor, the driving motor III (103) drives the movable block (101) to displace through the sensor (102) and provides extrusion force of the pull-press type sensor, and the road surface simulation roller (7) displaces relative to the tire piece mounting roller (8).
3. The tire rolling fatigue simulator of claim 1, wherein the block-shaped protrusions are 1/2-1/4 hemispheres, uniformly distributed on the surface of the road surface simulation roller (7), and the tire piece mounting rollers (8) with mutually prime diameters receive the wear of any block-shaped protrusion on the road surface simulation roller (7).
4. Tyre rolling fatigue simulator according to claim 1, characterized in that said cams are also mounted at both ends of the tyre chip mounting roller (8), only one of the tyre chip mounting roller (8) and the road surface simulating roller (7) being provided with cams.
5. The tire rolling fatigue simulator according to claim 1, wherein the tire piece mounting roller (8) is provided with a plurality of grooves on the surface along the axial direction, two sides of the tire piece are clamped in the grooves through pressing plates, and the tire piece is wrapped on the surface of the tire piece mounting roller (8) at intervals.
6. The tire rolling fatigue simulator of claim 1, wherein the tire patch is a pre-fabricated sheet structure for testing tire performance.
7. The tire rolling fatigue simulator of claim 1, wherein the length of the tire pieces is consistent with the distance between spaced grooves, and the tire pieces between adjacent grooves are consistent in material and thickness.
8. Tyre rolling fatigue simulator according to claim 1, characterized in that the width of the tyre chip is smaller than the width of the block-shaped protrusions, which are arranged on the road surface simulation roller (7) according to a certain rule.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010818438.6A CN111780998A (en) | 2020-08-14 | 2020-08-14 | Tire rolling fatigue simulator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010818438.6A CN111780998A (en) | 2020-08-14 | 2020-08-14 | Tire rolling fatigue simulator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111780998A true CN111780998A (en) | 2020-10-16 |
Family
ID=72761993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010818438.6A Withdrawn CN111780998A (en) | 2020-08-14 | 2020-08-14 | Tire rolling fatigue simulator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111780998A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378806A (en) * | 2021-01-15 | 2021-02-19 | 潍坊凯速建筑科技有限公司 | Building construction waterproofing membrane wearability detection device |
| CN114279722A (en) * | 2021-12-22 | 2022-04-05 | 吉林大学 | High-dynamic wheel double-shaft fatigue test equipment |
-
2020
- 2020-08-14 CN CN202010818438.6A patent/CN111780998A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112378806A (en) * | 2021-01-15 | 2021-02-19 | 潍坊凯速建筑科技有限公司 | Building construction waterproofing membrane wearability detection device |
| CN114279722A (en) * | 2021-12-22 | 2022-04-05 | 吉林大学 | High-dynamic wheel double-shaft fatigue test equipment |
| CN114279722B (en) * | 2021-12-22 | 2022-08-26 | 吉林大学 | High-dynamic wheel double-shaft fatigue test equipment |
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Application publication date: 20201016 |
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