CN206387711U - A kind of asphalt dynamic friction testing instrument - Google Patents
A kind of asphalt dynamic friction testing instrument Download PDFInfo
- Publication number
- CN206387711U CN206387711U CN201720071609.7U CN201720071609U CN206387711U CN 206387711 U CN206387711 U CN 206387711U CN 201720071609 U CN201720071609 U CN 201720071609U CN 206387711 U CN206387711 U CN 206387711U
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- rotating disk
- sensor
- testing
- testing wheel
- test
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Abstract
The utility model discloses a kind of asphalt dynamic friction testing instrument, rotating shaft and rotating disk are provided with the middle part of the fixed support, the fixed support bottom is provided with hydraulic pressurization module, velocity sensor is fixedly installed on the rotating disk, the rotating disk both sides are connected with support arm, testing wheel is provided with the support arm, the testing wheel side is provided with watering module, position sensor is additionally provided with the middle part of the testing wheel, the fixed station for laying test block is provided with below the testing wheel, pressure sensor is additionally provided with the fixed station, pulling force sensor is additionally provided between the rotating disk and testing wheel.The application can be under the conditions of different pressures, speed, temperature and humidity, realize that test block (compound) polishing process simulation and coefficient of friction stage test two kinds of functions, so as to obtain the antiskid performance variation tendency of different type compound, the test for bituminous paving antiskid level provides effective means.
Description
Technical field
The utility model is related to road test apparatus field, and in particular to a kind of asphalt dynamic friction testing instrument.
Background technology
Existing surface friction coefficient can intuitively reflect pavement skid resistance condition.At present, the most frequently used method of testing is main
There are SCRIM cornering ratios test carriage and swinging friction coefficient tester.SCRIM cars test equipment is complicated, price and tests into
This height, build is big, is unsuitable for laboratory test.Portable pendulum tester can carry out indoor test, but testing efficiency is low, error big, measure be
Static friction coefficient, while test mode differs too big with actual driving states, it is impossible to reflect surface friction coefficient well.This
Outside, the dynamic rotary type friction coefficient tester DFT of Japan's research and development test mode is not consistent with actual driving states, as a result not
Actual coefficient of friction can be reacted well；Meanwhile, test process does not account for direction of traffic and specimen molding direction, entering simply
Row spin friction and test, Research Significance remain to be discussed.
Utility model content
In view of the above-mentioned problems, the utility model aim to provide it is a kind of be applied to interior, in fixation pressure, speed, temperature, wet
Under the conditions of degree, carry out polishing process simulation and the asphalt dynamic friction of dynamic friction coefficient test between tire and road surface and survey
Try instrument.
To realize the technical purpose, scheme of the present utility model is：A kind of asphalt dynamic friction testing instrument, including
Rotating shaft and rotating disk are provided with the middle part of temperature control module, drive module, water tank, fixed support, console, the fixed support, it is described
Fixed support bottom, which is provided with hydraulic pressurization module, the rotating disk, is fixedly installed velocity sensor, and the rotating disk both sides connect
It is connected on support arm, the support arm and is provided with testing wheel, the testing wheel side is provided with watering module, the testing wheel
Portion is additionally provided with the fixed station being provided with below position sensor, the testing wheel for laying test block, the fixed station
Pressure sensor is additionally provided with, pulling force sensor is additionally provided between the rotating disk and testing wheel；
The pulling force sensor, pressure sensor, velocity sensor, position sensor, drive module, watering module, temperature
Control module is electrically connected with console respectively.
Preferably, the temperature control module includes blower fan, temperature sensor and heating tube.
Preferably, the console is also electrically connected with display module.
The beneficial effects of the utility model, the application can be realized under the conditions of different pressures, speed, temperature and humidity
Test block (compound) polishes process simulation and the coefficient of friction stage tests two kinds of functions, so as to obtain different type compound
Antiskid performance variation tendency, the test for bituminous paving antiskid level provides effective means；Using the direct testing friction of wheel
Coefficient, is more consistent with the stress during vehicle actual travel；Specimen molding direction can be considered to the number that measures
According to being screened, comparativity is had more with the live antiskid test result in actual road surface.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is described in further details with specific embodiment below in conjunction with the accompanying drawings.
As shown in figure 1, specific embodiment described in the utility model is a kind of asphalt dynamic friction testing instrument, bag
Temperature control module 1, drive module 2, water tank 3, fixed support 4, console 5 are included, the middle part of fixed support 4 is provided with the He of rotating shaft 7
Rotating disk 8, the bottom of fixed support 4 is provided with hydraulic pressurization module 9, the rotating disk 8 and is fixedly installed velocity sensor 10,
The both sides of rotating disk 8, which are connected with support arm 11, the support arm 11, is provided with testing wheel 12, and the side of testing wheel 12 is set
There is watering module 13, the middle part of testing wheel 12 is additionally provided with position sensor 14, and the lower section of testing wheel 12, which is provided with, to be used for
Lay the fixed station 15 of test block, be additionally provided with pressure sensor 16 in the fixed station 15, the rotating disk 8 and testing wheel 12 it
Between be additionally provided with pulling force sensor 17；
The hydraulic pressurization module 9, pulling force sensor 17, pressure sensor 16, velocity sensor 10, position sensor
14th, drive module 2, watering module 13, temperature control module 1 are electrically connected with console 5 respectively.
In order to ensure the unification of test temperature, the temperature control module 1 includes blower fan, temperature sensor and heating tube.
Real time data is checked for convenience, and the console 5 is also electrically connected with display module 6.
In use, hydraulic pressurization module provides pressure, pressure sensor by fixed support, rotating shaft and rotating disk for testing wheel
It can directly measure and adjust the pressure at right angle that test block (compound) is actually subject to；Drive module passes through transmission mechanism and rotating disk
Drive connection, power is provided for turntable rotation, drives and friction is produced between testing wheel and test block；Horizontal pull sensor can
The horizontal force situation of testing wheel in running is measured, and then force value is converted into coefficient of friction.
Watering control valve is installed on watering device, first mix surface is carried out at watering before testing friction coefficient
Reason, it is ensured that test is to be carried out under dampness (under unfavorable conditions), it is possible to achieve the friction system under the conditions of different water film thicknesses
Several measurements；The temperature in casing is adjusted by blower fan, temperature sensor and heating tube for temperature control module, to determine test
Temperature, it is possible to achieve the measurement of the coefficient of friction under condition of different temperatures；Velocity sensor turns to measurement testing wheel indirectly
Speed；Position sensor can detect particular location of the testing wheel in motion process.
The application can realize that test block (compound) polishes process under the conditions of different pressures, speed, temperature and humidity
Simulation and coefficient of friction stage test two kinds of functions, so that the antiskid performance variation tendency of different type compound is obtained, for drip
The test of blue or green pavement skid resistance level provides effective means；Using the direct testing friction coefficient of wheel, with vehicle actual travel mistake
Stress in journey is more consistent；Specimen molding direction can be considered to screen the data measured, with actual road surface
Live antiskid test result has more comparativity.
Described above, preferred embodiment only of the present utility model is every according to this not to limit the utility model
Any trickle amendment, equivalent substitution and improvement that the technical spirit of utility model is made to above example, should be included in this
Within the protection domain of utility model technical scheme.
Claims (3)
1. a kind of asphalt dynamic friction testing instrument, it is characterised in that：Including temperature control module, drive module, water tank, fixation
Rotating shaft and rotating disk are provided with the middle part of support, console, the fixed support, the fixed support bottom is provided with hydraulic pressurization mould
Velocity sensor is fixedly installed on block, the rotating disk, the rotating disk both sides are connected with support arm, the support arm and are provided with
Testing wheel, the testing wheel side is provided with the middle part of watering module, the testing wheel and is additionally provided with position sensor, the test
Wheel lower section, which is provided with fixed station for laying test block, the fixed station, is additionally provided with pressure sensor, the rotating disk with
Pulling force sensor is additionally provided between testing wheel；
The pulling force sensor, pressure sensor, velocity sensor, position sensor, drive module, watering module, temperature control mould
Block is electrically connected with console respectively.
2. asphalt dynamic friction testing instrument according to claim 1, it is characterised in that：The temperature control module includes
There are blower fan, temperature sensor and heating tube.
3. asphalt dynamic friction testing instrument according to claim 1, it is characterised in that：The console is also electrically connected
It is connected to display module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720071609.7U CN206387711U (en) | 2017-01-20 | 2017-01-20 | A kind of asphalt dynamic friction testing instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720071609.7U CN206387711U (en) | 2017-01-20 | 2017-01-20 | A kind of asphalt dynamic friction testing instrument |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206387711U true CN206387711U (en) | 2017-08-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720071609.7U Expired - Fee Related CN206387711U (en) | 2017-01-20 | 2017-01-20 | A kind of asphalt dynamic friction testing instrument |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206387711U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654844A (en) * | 2017-10-17 | 2018-02-02 | 镇江市金鼎变速箱有限公司 | A kind of pitch pumping installations based on compressed air |
| CN109724893A (en) * | 2019-03-18 | 2019-05-07 | 广东华路交通科技有限公司 | The test device and method of ultra-thin wearing layer endurance quality in a kind of testing tunnel |
| CN113406978A (en) * | 2021-06-27 | 2021-09-17 | 南京熙赢测控技术有限公司 | Water film thickness control system and method of longitudinal force friction coefficient tester |
| CN115060647A (en) * | 2022-08-19 | 2022-09-16 | 北京建筑大学 | Accumulated water pavement anti-skid performance evaluation method and system |
-
2017
- 2017-01-20 CN CN201720071609.7U patent/CN206387711U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107654844A (en) * | 2017-10-17 | 2018-02-02 | 镇江市金鼎变速箱有限公司 | A kind of pitch pumping installations based on compressed air |
| CN109724893A (en) * | 2019-03-18 | 2019-05-07 | 广东华路交通科技有限公司 | The test device and method of ultra-thin wearing layer endurance quality in a kind of testing tunnel |
| CN109724893B (en) * | 2019-03-18 | 2022-06-28 | 广东华路交通科技有限公司 | Testing device and method for testing durability of ultra-thin wearing layer in tunnel |
| CN113406978A (en) * | 2021-06-27 | 2021-09-17 | 南京熙赢测控技术有限公司 | Water film thickness control system and method of longitudinal force friction coefficient tester |
| CN115060647A (en) * | 2022-08-19 | 2022-09-16 | 北京建筑大学 | Accumulated water pavement anti-skid performance evaluation method and system |
| CN115060647B (en) * | 2022-08-19 | 2022-11-15 | 北京建筑大学 | Accumulated water pavement anti-skid performance evaluation method and system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170808 Termination date: 20210120 |
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| CF01 | Termination of patent right due to non-payment of annual fee |