CN202204758U - Testing system for tyre-surface -road-surface friction property of weatherproof tyre - Google Patents
Testing system for tyre-surface -road-surface friction property of weatherproof tyre Download PDFInfo
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- CN202204758U CN202204758U CN2011203612088U CN201120361208U CN202204758U CN 202204758 U CN202204758 U CN 202204758U CN 2011203612088 U CN2011203612088 U CN 2011203612088U CN 201120361208 U CN201120361208 U CN 201120361208U CN 202204758 U CN202204758 U CN 202204758U
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Abstract
The utility model discloses a testing system for a tyre-surface-road-surface friction property of a weatherproof tyre, which comprises a control platform, a speed regulating motor, a rotary disc, a pressure disc, a hydraulic loading cylinder, a vertical pressure sensor, a tyre-surface testing block of a tyre, an environmental cabin, an environment control unit, a horizontal pull-press sensor, a friction road surface and the like. Measurement of friction coefficient between the tyre surface of the weatherproof rubber tyre and the road surface covering automobile tyre utilization working conditions (including different contact pressure, environmental temperature and humidity, sliding speed and road surface conditions) can be achieved, and an effective technical method for obtaining friction-coefficient-sliding-speed curves of rubber materials is provided.
Description
Technical field
The utility model belongs to tire tribology research field, is specifically related to a kind of all-year tire tyre surface-pavement friction characteristic test system, can be tire tread elastomeric material friction, polishing machine provides effective means of testing.Can be the rubbing characteristics of measuring tire-road surface under the friction speed simultaneously platform is provided.
Background technology
Rubber is as the chief component of tire, and its rubbing characteristics is very special, and it does not also meet coulomb law of friction.The mechanical property of rubber tyre depends on the rubbing characteristics (especially under some limiting conditions) of rubber to a great extent.At present still immature to the theoretical research of rubber friction.Therefore, the testing research of rubber friction is just very important to the mechanics of tire The Characteristic Study.
In order to study the rubbing characteristics of rubber, people have developed various testing apparatuss, divide three types substantially: permanent tractive force formula frictiograph, constant speed type frictiograph and pendulum-type frictiograph.These development of equipments have promoted the progress of frictional theory largely, but some characteristics of these instruments make it be difficult to carry out the tire Study of Frictional:
(1) because the restriction of structure makes its velocity range all very narrow (being mostly low speed, less than 1m/s);
(2) friction media is single, is difficult for changing;
(3) Measuring Time is long, causes the test specimen serious wear and sharply gives birth to heat, influences the accuracy of measurement result;
(4) no environment temperature control system;
(5) load apply the robotization of being unrealized, variation range is little.
Summary of the invention
In order to overcome the deficiency of existing test macro and method, the utility model proposes the all-year tire tyre surface-pavement friction characteristic test system of the friction factor between acquisition rubber tyre tyre surface and road surface under a kind of pressure that can be implemented in appointment, temperature, humidity, the velocity conditions.
The utility model is realized through following technical scheme:
A kind of all-year tire tyre surface-pavement friction characteristic test system comprises: control desk 1, hydraulic power source 2, buncher 3; Rotating disc 4, pressure disc 5, hydraulic loaded cylinder 6, pressure at right angle sensor 7; Tire tread test block 8, environmental chamber 9, air channel 10, environment control unit 11; Speed pickup 12, main frame 13, horizontal tension-compression sensor 14, friction road surface 15.
Wherein, control desk 1 is connected with control buncher 3, hydraulic loaded cylinder 6, environment control unit 11 respectively through data cable;
Hydraulic power source 2 is connected with hydraulic loaded cylinder 6 through hydraulic oil pipe, for it provides hydraulic power;
Buncher 3 is realized transmissions through main frame 13 inner gear trains with rotating discs 4, for rotating disc 4 provides the rotating speed of regulation, realizes sliding velocity (0-30m/s) adjusting under the doughnut operating rate;
Horizontal tension-compression sensor 14 is installed between pressure disc 5 and the main frame 13, and the level that can measure pressure disc 5 is stressed, can calculate the friction force that tire tread test block 8 places receive through equalising torque; Pressure at right angle sensor 7 is installed between pressure disc 5 and the hydraulic loaded cylinder 6, can measure the vertically stressed of pressure disc 5, adds that the deadweight of load maintainer just obtains the numerical value of vertical load, thereby obtains the friction factor between tire tread test block 8 and the friction road surface 15;
Environment control unit 11 is connected with environmental chamber 9 through air channel 10, and 11 pairs of environmental chambers of environment control unit 9 carry out the adjusting of temperature, humidity, can realize the measurement of friction factor under different temperatures, the damp condition;
Speed pickup 12 be positioned at rotating disc 4 the below, be fixed on the main frame 13, measure the rotating speed of rotating disc 4.
This shows that the test macro of the utility model can be used for the rubbing characteristics test of tire tread, obtain the test curve of The friction coefficient sliding velocity, vertical load, environment temperature and humidity variation between tire tread and different road surfaces.
The beneficial effect of the utility model: can realize covering the round-the-clock rubber tyre tyre surface of doughnut applying working condition (comprising various different contact pressures, environment temperature and humidity, sliding velocity, pavement conditions) variation range and the friction coefficient measurement between the road surface, for the acquisition of the friction factor-sliding velocity curve of elastomeric material provides the effective technology means.
Description of drawings
Fig. 1 all-year tire tyre surface-pavement friction characteristic test system;
The connection synoptic diagram of the horizontal tension-compression sensor of Fig. 2;
Among the figure: control desk 1, hydraulic power source 2, buncher 3, rotating disc 4, pressure disc 5; Hydraulic loaded cylinder 6, pressure at right angle sensor 7, tire tread test block 8, environmental chamber 9, air channel 10; Environment control unit 11, speed pickup 12, main frame 13, horizontal tension-compression sensor 14, friction road surface 15.
Embodiment
To combine accompanying drawing below, the technical scheme of the utility model will be done further introduction:
As shown in Figure 1, a kind of all-year tire tyre surface-pavement friction characteristic test system of the utility model comprises: control desk 1, hydraulic power source 2, buncher 3; Rotating disc 4, pressure disc 5, hydraulic loaded cylinder 6, pressure at right angle sensor 7; Tire tread test block 8, environmental chamber 9, air channel 10, environment control unit 11; Speed pickup 12, main frame 13, horizontal tension-compression sensor 14, friction road surface 15.
Wherein, control desk 1 is connected with control buncher 3, hydraulic loaded cylinder 6, environment control unit 11 respectively through data cable;
Hydraulic power source 2 is connected with hydraulic loaded cylinder 6 through hydraulic oil pipe, for it provides hydraulic power;
Buncher 3 is realized transmissions through main frame 13 inner gear trains with rotating discs 4, for rotating disc 4 provides the rotating speed of regulation, realizes sliding velocity (0-30m/s) adjusting under the doughnut operating rate;
As shown in Figure 2, horizontal tension-compression sensor 14 is installed between pressure disc 5 and the main frame 13, can measure the stressed of pressure disc 5, can calculate the friction force that tire tread test block 8 places receive through equalising torque; Pressure at right angle sensor 7 is installed between pressure disc 5 and the hydraulic loaded cylinder 6, can measure the vertically stressed of pressure disc 5, adds that the deadweight of load maintainer just obtains the numerical value of vertical load, thereby obtains the friction factor between tire tread test block 8 and the friction road surface 15;
Environment control unit 11 is connected with environmental chamber 9 through air channel 10, and 11 pairs of environmental chambers of environment control unit 9 carry out the adjusting of temperature, humidity, can realize the measurement of friction factor under different temperatures, the damp condition;
Speed pickup 12 be positioned at rotating disc 4 the below, be fixed on the main frame 13, measure the rotating speed of rotating disc 4.
This shows that the test macro of the utility model can be used for the rubbing characteristics test of tire tread, obtain the test curve of The friction coefficient sliding velocity, vertical load, environment temperature and humidity variation between tire tread and different road surfaces.
It should be noted that above-mentioned practical implementation is used for doing for example.Those of ordinary skills can recognize many modifications, variation and remodeling.These revise, change and remodeling all in the application's aim and scope, and fall in the protection domain of claims.
Claims (1)
1. all-year tire tyre surface-pavement friction characteristic test system comprises: control desk (1), hydraulic power source (2), buncher (3), rotating disc (4); Pressure disc (5), hydraulic loaded cylinder (6), pressure at right angle sensor (7), tire tread test block (8); Environmental chamber (9), air channel (10), environment control unit (11), speed pickup (12); Main frame (13), horizontal tension-compression sensor (14), friction road surface (15) is characterized in that:
Control desk (1) is connected with control buncher (3), hydraulic loaded cylinder (6), environment control unit (11) respectively through data cable;
Hydraulic power source (2) is connected with hydraulic loaded cylinder (6) through hydraulic oil pipe;
Buncher (3) is realized transmission through main frame (13) inner gear train and rotating disc (4), and the sliding velocity of rotating disc (4) is regulated between 0-30m/s;
Pressure disc (5) is hinged on hydraulic loaded cylinder (6) lower end, and tire tread test block (8) is fixed on the lower end of pressure disc (5);
Horizontal tension-compression sensor (14) is installed between pressure disc (5) and the main frame (13), and the level that can measure pressure disc (5) is stressed;
Pressure at right angle sensor (7) is installed between pressure disc (5) and the hydraulic loaded cylinder (6), can measure the vertically stressed of pressure disc (5);
Environment control unit (11) is connected with environmental chamber (9) through air channel (10), and environment control unit (11) carries out the adjusting of temperature, humidity to environmental chamber (9);
Speed pickup (12) be positioned at rotating disc (4) the below, be fixed on the main frame (13), can measure the rotating speed of rotating disc (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203612088U CN202204758U (en) | 2011-09-25 | 2011-09-25 | Testing system for tyre-surface -road-surface friction property of weatherproof tyre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203612088U CN202204758U (en) | 2011-09-25 | 2011-09-25 | Testing system for tyre-surface -road-surface friction property of weatherproof tyre |
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| Publication Number | Publication Date |
|---|---|
| CN202204758U true CN202204758U (en) | 2012-04-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203612088U Expired - Fee Related CN202204758U (en) | 2011-09-25 | 2011-09-25 | Testing system for tyre-surface -road-surface friction property of weatherproof tyre |
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| CN (1) | CN202204758U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359933A (en) * | 2011-09-25 | 2012-02-22 | 吉林大学 | System and method for testing all-weather tyre tread-road surface frictional characteristic |
| CN102721397A (en) * | 2012-06-07 | 2012-10-10 | 江苏科技大学 | Method for extracting road surface characteristic parameters based on modern time series of vertical dynamic load |
| CN105277453A (en) * | 2015-11-13 | 2016-01-27 | 哈尔滨工业大学 | Impact friction test device |
| CN109269818A (en) * | 2018-10-08 | 2019-01-25 | 李建勇 | A kind of automobile uses the rubber material skid resistance detection device of tire |
-
2011
- 2011-09-25 CN CN2011203612088U patent/CN202204758U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102359933A (en) * | 2011-09-25 | 2012-02-22 | 吉林大学 | System and method for testing all-weather tyre tread-road surface frictional characteristic |
| CN102721397A (en) * | 2012-06-07 | 2012-10-10 | 江苏科技大学 | Method for extracting road surface characteristic parameters based on modern time series of vertical dynamic load |
| CN105277453A (en) * | 2015-11-13 | 2016-01-27 | 哈尔滨工业大学 | Impact friction test device |
| CN109269818A (en) * | 2018-10-08 | 2019-01-25 | 李建勇 | A kind of automobile uses the rubber material skid resistance detection device of tire |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120425 Termination date: 20120925 |