CN111780999A - Tire rolling fatigue simulation adjusting mechanism - Google Patents
Tire rolling fatigue simulation adjusting mechanism Download PDFInfo
- Publication number
- CN111780999A CN111780999A CN202010818440.3A CN202010818440A CN111780999A CN 111780999 A CN111780999 A CN 111780999A CN 202010818440 A CN202010818440 A CN 202010818440A CN 111780999 A CN111780999 A CN 111780999A
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- China
- Prior art keywords
- simulation
- roller
- adjustable support
- adjusting mechanism
- rolling fatigue
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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 simulation adjusting mechanism, and belongs to the technical field of tire rubber layer rolling fatigue performance testing and adjusting. The distance between the road surface simulation roller and the rubber sheet installation roller is accurately adjusted through the adjusting mechanism. The adjusting mechanism comprises a motor, a tension-compression bidirectional sensor and a radial adjustable support, wherein the end part of the simulation roll shaft is arranged on the radial adjustable support; the tension and compression bidirectional sensor is connected with the radial adjustable support through a lead screw, and the radial adjustable support is driven to move by a corresponding distance through the distance that the lead screw is screwed into the radial adjustable support; the motor drives the radial adjustable support to move left and right along the radial direction, controls the simulation roller shaft to move left and right along the radial direction, and adjusts the distance between the pavement simulation roller and the rubber sheet installation roller. The radial adjustable support is driven by the motor, and the distance between the road surface simulation roller and the rubber sheet installation roller is accurately adjusted by accurately acquiring the pressure through the tension-compression bidirectional sensor.
Description
Technical Field
The invention relates to a tire rolling fatigue simulation adjusting mechanism, and belongs to the technical field of tire rubber layer rolling fatigue performance testing and adjusting.
Background
At present, in a laboratory environment, when the wear resistance of tires is detected, adopted detection equipment is always of a traditional structure. CN 108871813A-a high simulation tire performance testing experiment table introduces a high simulation tire performance testing experiment table, this invention can effectively meet the needs of various size model testing operations on one hand, another party can effectively carry on the simulation to various running environment, bearing environment, road surface environment of the tire in the course of testing operations, thus can obtain the wear data of the tire in various environment operation effectively, offer the reliable basis for tire product design, use. However, the existing detection equipment often lacks a mechanism for adjusting the distance between the simulated tire and the simulated road surface, so that the problem of poor adjustment flexibility exists in the detection operation.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a tire rolling fatigue simulation adjusting mechanism, and the distance between a road surface simulation roller and a rubber sheet installation roller is accurately adjusted through the adjusting mechanism.
The tire rolling fatigue simulation adjusting mechanism comprises an underframe, and a pavement simulation roller and a rubber sheet installation roller which are fixed on the underframe, wherein the pavement simulation roller and the rubber sheet installation roller are arranged in parallel, an adjusting mechanism is radially arranged at one side of the pavement simulation roller, a simulation roller shaft is arranged at the center of the pavement simulation roller, and the adjusting mechanisms are respectively positioned at two ends of the simulation roller shaft; the adjusting mechanism comprises a motor, a tension-compression bidirectional sensor and a radial adjustable support, the end part of the simulation roll shaft is arranged on the radial adjustable support, and the radial adjustable support moves left and right along the radial direction; the tension and compression bidirectional sensor is connected with the radial adjustable support through a lead screw, and the radial adjustable support is driven to move by a corresponding distance through the distance that the lead screw is screwed into the radial adjustable support; the chassis is provided with a groove for mounting the radial adjustable support, and the groove is larger than the width of the radial adjustable support; a top pressure plate is fixed at the top of the groove through a bolt, and the radial adjustable support is movably arranged in a cavity formed by the groove and the top pressure plate; a through hole matched with an end shaft of the tension and compression bidirectional sensor is formed in the side part of the underframe and is connected to a cavity in which the radial adjustable support is located; the motor drives the radial adjustable support to move left and right along the radial direction, controls the simulation roller shaft to move left and right along the radial direction, and adjusts the distance between the pavement simulation roller and the rubber sheet installation roller.
Preferably, the radially adjustable support also allows mounting to the side of the mounting roll shaft.
Preferably, both ends of the road surface simulation roller are installed on the radial adjustable support, and the motors are synchronously driven by the two ends to drive the installation roller shaft to move in the radial direction.
Preferably, the outer part of the tension and compression bidirectional sensor is provided with a mounting seat, and the mounting seat is fixed on the outer surface of the side part of the underframe through a bolt.
Preferably, the tension-compression bidirectional sensor is provided with a left end shaft and a right end shaft, one end shaft is connected with the motor, and the other end shaft is connected with the radial adjustable support.
Preferably, the motor is fixed in the bottom of mount pad through fixed connector, and fixed connector is the L type, and fixed connector one end is fixed in the mount pad bottom, and the other end upwards sticks up and is fixed in the pivot one end of motor.
Preferably, the width of the groove allows the radial adjustable support to move left and right, and the distance between the road surface simulation roller and the rubber sheet installation roller is gradually adjusted from near to far.
Preferably, a protective cover I is sleeved on the outer side of the pavement simulation roller; and a protective cover II is sleeved on the outer side of the rubber sheet mounting roller.
Preferably, the rubber sheet mounting roller is provided with a mounting roller shaft at the center, the mounting roller shaft is fixedly mounted on a support, and the support is clamped on the underframe and cannot move left and right.
Preferably, the simulation roll shaft is connected with the simulation driving motor through a universal joint.
The invention has the beneficial effects that: the tire rolling fatigue simulation adjusting mechanism provided by the invention has the advantages that the radial adjustable support is driven by the motor, and the accurate pressure acquisition is realized by the tension and compression bidirectional sensor, so that the accurate adjustment of the distance between the road surface simulation roller and the rubber sheet installation roller is realized.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a sectional view a-a of fig. 1.
In the figure: 1. a chassis; 2. a protective cover I; 3. a road surface simulation roller; 31. simulating a roll shaft; 32. a radially adjustable support; 4. a protective cover II; 5. a rubber sheet mounting roller; 51. installing a roll shaft; 6. a motor; 7. and (4) pulling and pressing the bidirectional sensor.
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:
as shown in fig. 1, the tire rolling fatigue simulation adjusting mechanism of the present invention comprises an underframe 1, and a road surface simulation roller 3 and a rubber sheet installation roller 5 fixed on the underframe 1, wherein the road surface simulation roller 3 and the rubber sheet installation roller 5 are arranged in parallel, one side of the road surface simulation roller 3 is radially provided with an adjusting mechanism, the center of the road surface simulation roller 3 is provided with a simulation roller shaft 31, and the adjusting mechanism is respectively located at two ends of the simulation roller shaft 31.
A protective cover I2 is sleeved on the outer side of the pavement simulation roller 3; and a protective cover II 4 is sleeved on the outer side of the rubber sheet mounting roller 5.
Fig. 2 is a sectional view taken along the direction of a-a in fig. 1, in fig. 2, the adjusting mechanism includes a motor 6, a tension/compression bidirectional sensor 7, and a radial adjustable support 32, the end of the simulation roll shaft 31 is mounted on the radial adjustable support 32, and the radial adjustable support 32 moves left and right in the radial direction; the tension and compression bidirectional sensor 7 is connected with the radial adjustable support 32 through a lead screw, and the radial adjustable support 32 is driven to move by a corresponding distance through the distance that the lead screw is screwed into the radial adjustable support 32; the chassis 1 is provided with a groove for mounting the radial adjustable support 32, and the groove is larger than the width of the radial adjustable support 32; the top of the groove is fixed with a top pressure plate through a bolt, and the radial adjustable support 32 is movably arranged in a cavity formed by the groove and the top pressure plate.
A through hole matched with an end shaft of the tension and compression bidirectional sensor 7 is formed in the side part of the underframe 1 and is connected to a cavity in which the radial adjustable support 32 is located; the motor 6 drives the radial adjustable support 32 to move left and right along the radial direction, controls the simulation roller shaft 31 to move left and right along the radial direction, and adjusts the distance between the pavement simulation roller 3 and the rubber sheet installation roller 5. The chassis 1 is located below the road surface simulation roller 3 and the rubber sheet mounting roller 5, and supports the simulation roller shaft 31 and the mounting roller shaft 51.
The two ends of the road surface simulation roller 3 are both arranged on the radial adjustable supports 32, and the two ends synchronously drive the motor 6 to drive the installation roller shaft 51 to move radially.
And a mounting seat is arranged outside the tension and compression bidirectional sensor 7 and is fixed on the outer surface of the side part of the underframe 1 through a bolt.
The tension-compression bidirectional sensor 7 is provided with a left end shaft and a right end shaft, one end shaft is connected with the motor 6, and the other end shaft is connected with the radial adjustable support 32.
The motor 6 is fixed in the bottom of mount pad through fixed connector, and fixed connector is the L type, and fixed connector one end is fixed in the mount pad bottom, and the other end upwards sticks up and is fixed in motor 6's pivot one end.
The width of the groove allows the radial adjustable support 32 to move left and right, and the distance between the road surface simulation roller 3 and the rubber sheet installation roller 5 is gradually adjusted from near to far.
The center of the rubber sheet mounting roller 5 is provided with a mounting roller shaft 51, the mounting roller shaft 51 is fixedly mounted on a support, and the support is clamped on the underframe 1 and cannot move left and right.
The simulation roll shaft 31 is connected with the simulation driving motor 6 through a universal joint.
It should be noted that: the radially adjustable support 32 also allows mounting to the side of the mounting roller shaft 51.
The invention has the beneficial effects that: the tire rolling fatigue simulation adjusting mechanism provided by the invention has the advantages that the radial adjustable support 32 is driven by the motor 6, and the accurate pressure acquisition is realized by the tension and compression bidirectional sensor 7, so that the accurate adjustment of the distance between the road surface simulation roller 3 and the rubber sheet installation roller 5 is realized.
The use process of the invention is as follows: finishing when the last experiment, need just can realize corresponding the effect through adjusting the distance between road surface emulation roller 3 and the rubber piece installation roller 5 when, obtain the extrusion force degree between road surface emulation roller 3 and the rubber piece installation roller 5 through gathering current draw pressure two-way sensor 7, then driving motor 6 is rotatory, drive radial adjustable support 32 and remove about radially, thereby control distance and the extrusion degree between road surface emulation roller 3 and the rubber piece installation roller 5, until the extrusion degree reaches the requirement, then stop driving motor 6, accomplish current regulation step, wait for experiment next time and adjust the distance instruction.
The invention can be widely applied to the occasions for testing and adjusting the rolling fatigue performance of the rubber layer of the tire.
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 (10)
1. A tire rolling fatigue simulation adjusting mechanism comprises an underframe (1), a road surface simulation roller (3) and a rubber sheet installation roller (5) which are fixed on the underframe (1), wherein the road surface simulation roller (3) and the rubber sheet installation roller (5) are arranged in parallel, and the tire rolling fatigue simulation adjusting mechanism is characterized in that one side of the road surface simulation roller (3) is radially provided with an adjusting mechanism, the center of the road surface simulation roller (3) is provided with a simulation roller shaft (31), and the adjusting mechanisms are respectively positioned at two ends of the simulation roller shaft (31); the adjusting mechanism comprises a motor (6), a tension-compression bidirectional sensor (7) and a radial adjustable support (32), and the end part of the simulation roll shaft (31) is arranged on the radial adjustable support (32); the tension and compression bidirectional sensor (7) is connected with the radial adjustable support (32) through a lead screw, and the radial adjustable support (32) is driven to move by a corresponding distance through the distance that the lead screw is screwed into the radial adjustable support (32); the chassis (1) is provided with a groove for mounting the radial adjustable support (32), and the groove is larger than the width of the radial adjustable support (32); a top pressure plate is fixed at the top of the groove through a bolt, and a radial adjustable support (32) is movably arranged in a cavity formed by the groove and the top pressure plate; a through hole matched with an end shaft of the tension and compression bidirectional sensor (7) is formed in the side part of the underframe (1), and the through hole is connected to a cavity where the radial adjustable support (32) is located; the motor (6) drives the radial adjustable support (32) to move left and right along the radial direction, controls the simulation roll shaft (31) to move left and right along the radial direction, and adjusts the distance between the pavement simulation roll (3) and the rubber sheet installation roll (5).
2. Tyre rolling fatigue simulation adjustment mechanism according to claim 1, characterized in that the radially adjustable seat (32) also allows mounting on the side of the mounting roller shaft (51).
3. The tire rolling fatigue simulation adjusting mechanism according to claim 1 or 2, wherein both ends of the road surface simulation roller (3) are mounted on the radial adjustable supports (32), and the motors (6) are synchronously driven by both ends to drive the mounting roller shafts (51) to move radially.
4. The tire rolling fatigue simulation adjusting mechanism according to claim 3, wherein the tension-compression bidirectional sensor (7) is externally provided with a mounting seat, and the mounting seat is fixed on the outer surface of the side part of the underframe (1) through a bolt.
5. A tyre rolling fatigue simulation adjusting mechanism according to claim 1 or 4, characterized in that the tension and compression bidirectional sensor (7) is provided with a left end shaft and a right end shaft, one end shaft is connected with the motor (6), and the other end shaft is connected with the radial adjustable support (32).
6. The tire rolling fatigue simulation adjusting mechanism according to claim 1, wherein the motor (6) is fixed at the bottom of the mounting seat through a fixed connecting piece, the fixed connecting piece is in an L shape, one end of the fixed connecting piece is fixed at the bottom of the mounting seat, and the other end of the fixed connecting piece is upwards tilted and fixed at one end of a rotating shaft of the motor (6).
7. The tire rolling fatigue simulation adjustment mechanism according to claim 1, wherein the width of the groove allows the radial adjustable support (32) to move left and right, and the distance between the road surface simulation roller (3) and the rubber sheet installation roller (5) is gradually adjusted from near to far.
8. The tire rolling fatigue simulation adjusting mechanism according to claim 1, wherein a protective cover I (2) is sleeved outside the road surface simulation roller (3); and a protective cover II (4) is sleeved on the outer side of the rubber sheet mounting roller (5).
9. The tire rolling fatigue simulation adjustment mechanism according to claim 1, wherein a mounting roller shaft (51) is provided at the center of the rubber sheet mounting roller (5), and the mounting roller shaft (51) is fixedly mounted on the pedestal.
10. The tire rolling fatigue simulation adjustment mechanism according to claim 1, wherein the dummy roll shaft (31) is connected to the dummy drive motor (6) through a universal joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010818440.3A CN111780999A (en) | 2020-08-14 | 2020-08-14 | Tire rolling fatigue simulation adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010818440.3A CN111780999A (en) | 2020-08-14 | 2020-08-14 | Tire rolling fatigue simulation adjusting mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111780999A true CN111780999A (en) | 2020-10-16 |
Family
ID=72762666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010818440.3A Withdrawn CN111780999A (en) | 2020-08-14 | 2020-08-14 | Tire rolling fatigue simulation adjusting mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111780999A (en) |
-
2020
- 2020-08-14 CN CN202010818440.3A patent/CN111780999A/en not_active Withdrawn
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20201016 |