CN103257049A - Experiment table for studying the relationship between airflow vibration in tyre and pressure and temperature rise of auto tyre - Google Patents
Experiment table for studying the relationship between airflow vibration in tyre and pressure and temperature rise of auto tyre Download PDFInfo
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- CN103257049A CN103257049A CN2013101842534A CN201310184253A CN103257049A CN 103257049 A CN103257049 A CN 103257049A CN 2013101842534 A CN2013101842534 A CN 2013101842534A CN 201310184253 A CN201310184253 A CN 201310184253A CN 103257049 A CN103257049 A CN 103257049A
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Abstract
The invention discloses an experiment table for studying the relationship between airflow vibration in a tyre and pressure and temperature rise of the auto tyre, and relates to experiment tables. The experiment table comprises an outer support, a rotary drum, an inner support, a pressure regulating device, the tyre, a hub, a display screen, a frequency converter and an electric motor, wherein the rotary drum is mounted on the outer support through a rotary drum shaft, the inner support is fixedly arranged on the top part of the outer support through the pressure regulating device, the tyre is mounted on the hub, and the surface of the tyre is contacted with the surface of the rotary drum. A wireless temperature sensor and a wireless pressure sensor are fixedly arranged on the hub, and the hub is mounted on the inner support through a connection shaft and is connected with the electric motor. The electric motor is connected with the frequency converter, the frequency converter is connected with the display screen, and a wireless receiving module for receiving data signals of the wireless temperature sensor and the wireless pressure sensor is integrated in the display screen. By means of the experiment table, important influencing factors of tyre blowout can be analyzed, and therefore the design of the auto tyres and related parts can be improved according to the factors to prevent tire burst. The experiment table for studying the relationship between airflow vibration in the tyre and pressure and temperature rise of the auto tyre is simple in structure, low in cost and prone to being popularized and used.
Description
Technical field
The present invention relates to a kind of experiment table, particularly air-flow vibration and pressure, Research on Temperature Rise experiment table in a kind of doughnut tire.
Background technology
Tyre break mainly contains three aspect reasons: the one, have a flat tire, and tire causes gas leakage and then causes blowing out because of by iron nail or sharp object puncture; The 2nd, air pressure is too high, and automobile is in the process of running at high speed, and tyre temperature raises, and the air pressure in the tire also increases thereupon, squeegee action, and carcass tension reduces, and the suffered dynamic load of automobile also increases, as runs into impact and can produce implosion or blow out; The 3rd, under-inflation shows according to relevant research data, and blowing out more than 80% all is because under-inflation.When automobile (speed is above 120 kilometers/hour) when running at high speed, will cause that the air-flow vibration causes temperature to raise in the tire tire, if tire is solid or aging inadequately, will blow out easily; Simultaneously, because the air pressure deficiency makes the deflection of tire increase, cause tyre sidewall to land easily when anxious turning round, and tyre sidewall is the weakest part of tire, tyre sidewall lands and can cause equally blowing out.If explosion takes place the vehicle tyre in travelling, people's the security of the lives and property will be threatened directly.
Summary of the invention
The technical problem to be solved in the present invention is: provide the interior air-flow vibration of a kind of doughnut tire and pressure, Research on Temperature Rise experiment table, to determine the considerable influence factor of tyre break.
The technical scheme that solves the problems of the technologies described above is: air-flow vibration and pressure, Research on Temperature Rise experiment table in a kind of doughnut tire comprise support arm, cylinder, inner support, pressure regulating device, tire, wheel hub, display screen, frequency converter and motor; Described cylinder is installed on the support arm by drum shaft, and inner support is fixed in the top of support arm by pressure regulating device, and described tire is installed on the wheel hub, and surface of tyre and cylinder surface are in contact with one another; Radio temperature sensor and wireless pressure sensor are fixedly arranged on the described wheel hub, and this wheel hub is installed on the inner support by coupling shaft, and is connected with the output terminal of motor by this coupling shaft; The input end of described motor is connected with an output terminal of frequency converter; Another output terminal of frequency converter also is connected with display screen, is integrated with in the described display screen for the wireless receiving circuit that receives radio temperature sensor and wireless pressure sensor data-signal.
Further technical scheme of the present invention is: described support arm is by crossbeam and two planer type structures that sway brace constitutes, described drum shaft two ends are connected on two sway braces, and described inner support is fixed on the crossbeam of support arm by pressure regulating device.
Further technical scheme more of the present invention is: described pressure regulating device comprises regulates bolt, setting nut, spring and pressure transducer; Described pressure transducer is the circular ring type pressure transducer, and this pressure transducer is installed in the top of inner support; One end of described adjusting bolt passes pressure transducer and is fixed on the inner support, and the crossbeam that the other end passes support arm is connected with setting nut; Described spring housing is outside regulating bolt, and an end of this spring withstands on the crossbeam bottom of support arm, and the other end withstands on the pressure transducer.
Owing to adopt said structure, air-flow vibration and pressure, Research on Temperature Rise experiment table compared with prior art have following beneficial effect in the present invention's the doughnut tire:
1. can be used for analyzing the considerable influence factor of tyre break:
Owing to the present invention includes support arm, cylinder, inner support, pressure regulating device, tire, wheel hub, display screen, frequency converter and motor, and at wheel hub radio temperature sensor and wireless pressure sensor are arranged fixedly.Therefore, this experiment table can pass through motor drives wheel hub and tire, and tire exerted pressure simulates real real vehicle wheel outer year to cylinder; The experimental data that obtains to be correlated with by sensor; Change the rotating speed that motor speed changes tire by frequency converter; These relevant experimental datas all can show at display screen.Thereby, the present invention can by given original tire pressure, regulate tire rotating speed, tire applied different pressure observe that the vibration of air-flow makes tire internal pressure, variation of temperature in the tire, and then find out the relation of this Several Parameters, analyze the considerable influence factor of tyre break, improve the design of doughnut and related components accordingly, prevent from blowing out.
2. can simulate tire vibration situation of air-flow in the tire under the situation that different pressures is exerted pressure:
Because comprising, the pressure regulating device of this experiment table regulates bolt, setting nut, spring and pressure transducer.In order to simulate tire vibration situation of air-flow in the tire under the situation that different pressures is exerted pressure, can be by regulating setting nut, make and regulate that bolt drives wheel hub and tire moves up and down, thereby the centre distance of regulating tire and cylinder obtain.
3. simple in structure, cost is low, is easy to promote the use of.
Below, the technical characterictic to air-flow vibration and pressure, Research on Temperature Rise experiment table in the present invention's the doughnut tire is further described in conjunction with the accompanying drawings and embodiments.
Description of drawings
The structural representation of air-flow vibration and pressure, Research on Temperature Rise experiment table in Fig. 1: embodiment one described the present invention's the doughnut tire,
Among the figure, each label is as follows:
The 1-support arm, the 101-crossbeam, the 102-sway brace, the 2-drum shaft, the 3-cylinder,
The 4-inner support, the 5-radio temperature sensor, the 6-wireless pressure sensor, the 7-pressure transducer,
The 8-spring, 9-regulates bolt, the 10-setting nut, the 11-tire, the 12-wheel hub,
The 13-display screen, 14-frequency converter, 15-motor, 16-coupling shaft.
Embodiment
Embodiment one:
Disclosed among Fig. 1 is air-flow vibration and pressure in a kind of doughnut tire, Research on Temperature Rise experiment table, comprises support arm 1, cylinder 3, inner support 4, pressure regulating device, tire 11, wheel hub 12, display screen 13, frequency converter 14 and motor 15.
Described support arm 1 is by crossbeam 101 and two planer type structures that sway brace 102 constitutes, described cylinder 3 is installed on two sway braces 102 of support arm 1 by drum shaft 2, inner support 4 is fixed in the top of support arm by pressure regulating device, described tire 11 is installed on the wheel hub 12, and tire 11 surfaces are in contact with one another with cylinder 3 surfaces; Radio temperature sensor 5 and wireless pressure sensor 6 are fixedly arranged on the described wheel hub 12, and this wheel hub 12 is installed on the inner support 4 by coupling shaft 16, and is connected with the output terminal of motor 15 by this coupling shaft 16; The input end of described motor 15 is connected with an output terminal of frequency converter 14; Another output terminal of frequency converter 14 also is connected with display screen 13, is integrated with in the described display screen 13 for the wireless receiving circuit that receives radio temperature sensor 5 and wireless pressure sensor 6 data-signals.
Described pressure regulating device comprises regulates bolt 9, setting nut 10, spring 8 and pressure transducer 7; Described pressure transducer 7 is the circular ring type pressure transducer, and this pressure transducer 7 is installed in the top of inner support 4; One end of described adjusting bolt 9 passes pressure transducer 7 and is fixed on the inner support 4, and the crossbeam 101 that the other end passes support arm 1 is connected with setting nut 10; Described spring 8 is enclosed within to be regulated outside the bolt 9, and an end of this spring 8 withstands on crossbeam 101 bottoms of support arm 1, and the other end withstands on the pressure transducer 7; Described tire 11 and cylinder 3 are in contact with one another, mutual extrusion, and the big I of extruding dynamics is adjusted by regulating bolt 9 and setting nut 10, and the numerical values recited of extruding dynamics can be read by pressure transducer 7, and spring 8 can be used for the shock absorber of simulated automotive.
Above-mentioned wireless receiving circuit is known technology, repeats no more here.
Principle of work of the present invention is as follows:
When beginning experiment fills an initial gas pressure for earlier tire 11, gives tire 11 certain load of exerting pressure by regulating bolt 9 and setting nut 10, drives the tires rotation for motor 15 certain rotating speeds by frequency converter 14.In the process of experiment table operation, change the extruding force of tire 11 and cylinder 3 on the one hand by setting nut 10, pass through the rotational speed that frequency converter 14 is regulated tires 11 on the other hand, radio temperature sensor 5 and wireless pressure sensor 6 be the interior temperature and pressure of sampling tire 11 tires constantly, sends to display screen 13 by wireless signal.Air-flow vibration in tire 11 operational processs if in the tire, fluctuation in the certain limit will appear in the pressure signal that collects of wireless pressure sensor so, the vibration of air-flow makes the phase mutual friction between gas molecule, so the temperature in the tire will constantly raise, cause tire 11 distortion, will blow out after reaching capacity.By experiment, just can draw tire and arrive relation between original pressure, extruding force and the tire speed when blowing out the limit.
Claims (3)
1. air-flow vibration and pressure, Research on Temperature Rise experiment table in the doughnut tire is characterized in that: comprise support arm, cylinder, inner support, pressure regulating device, tire, wheel hub, display screen, frequency converter and motor; Described cylinder is installed on the support arm by drum shaft, and inner support is fixed in the top of support arm by pressure regulating device, and described tire is installed on the wheel hub, and surface of tyre and cylinder surface are in contact with one another; Radio temperature sensor and wireless pressure sensor are fixedly arranged on the described wheel hub, and this wheel hub is installed on the inner support by coupling shaft, and is connected with the output terminal of motor by this coupling shaft; The input end of described motor is connected with an output terminal of frequency converter; Another output terminal of frequency converter also is connected with display screen, is integrated with in the described display screen for the wireless receiving circuit that receives radio temperature sensor and wireless pressure sensor data-signal.
2. air-flow vibration and pressure, Research on Temperature Rise experiment table in the doughnut tire according to claim 1, it is characterized in that: described support arm is by crossbeam and two planer type structures that sway brace constitutes, described drum shaft two ends are connected on two sway braces, and described inner support is fixed on the crossbeam of support arm by pressure regulating device.
3. air-flow vibration and pressure, Research on Temperature Rise experiment table in the doughnut tire according to claim 2 is characterized in that: described pressure regulating device comprises adjusting bolt, setting nut, spring and pressure transducer; Described pressure transducer is the circular ring type pressure transducer, and this pressure transducer is installed in the top of inner support; One end of described adjusting bolt passes pressure transducer and is fixed on the inner support, and the crossbeam that the other end passes support arm is connected with setting nut; Described spring housing is outside regulating bolt, and an end of this spring withstands on the crossbeam bottom of support arm, and the other end withstands on the pressure transducer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101842534A CN103257049A (en) | 2013-05-17 | 2013-05-17 | Experiment table for studying the relationship between airflow vibration in tyre and pressure and temperature rise of auto tyre |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013101842534A CN103257049A (en) | 2013-05-17 | 2013-05-17 | Experiment table for studying the relationship between airflow vibration in tyre and pressure and temperature rise of auto tyre |
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| CN103257049A true CN103257049A (en) | 2013-08-21 |
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| CN2013101842534A Pending CN103257049A (en) | 2013-05-17 | 2013-05-17 | Experiment table for studying the relationship between airflow vibration in tyre and pressure and temperature rise of auto tyre |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191912A (en) * | 2014-09-16 | 2014-12-10 | 成都衔石科技有限公司 | Following automobile tire burst monitoring device |
| CN105258959A (en) * | 2015-11-25 | 2016-01-20 | 安徽合力股份有限公司 | Tire test bench with stable pressure |
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| CN1043475A (en) * | 1988-12-26 | 1990-07-04 | 王根友 | Monitoring device for tyre working state |
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2013
- 2013-05-17 CN CN2013101842534A patent/CN103257049A/en active Pending
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| US4233838A (en) * | 1979-05-22 | 1980-11-18 | Uniroyal, Inc. | Load control for tire test machine |
| US4848143A (en) * | 1987-05-25 | 1989-07-18 | T & T Co., Ltd. | Tire endurance testing machine |
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| CN1704270A (en) * | 2004-06-01 | 2005-12-07 | 亚太优势微系统股份有限公司 | Wireless monitoring system for tire pressure and temperature |
| KR100610678B1 (en) * | 2004-10-29 | 2006-08-09 | 한국타이어 주식회사 | Bead performance testing apparatus of TBR tire |
| CN201464350U (en) * | 2009-06-26 | 2010-05-12 | 李伟文 | Concrete beam loading test device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104191912A (en) * | 2014-09-16 | 2014-12-10 | 成都衔石科技有限公司 | Following automobile tire burst monitoring device |
| CN105258959A (en) * | 2015-11-25 | 2016-01-20 | 安徽合力股份有限公司 | Tire test bench with stable pressure |
| CN105258959B (en) * | 2015-11-25 | 2017-11-07 | 安徽合力股份有限公司 | A kind of tyre tester of pressure stability |
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Application publication date: 20130821 |