CN205826193U - A kind of dicycly cornering ratio detecting system - Google Patents
A kind of dicycly cornering ratio detecting system Download PDFInfo
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- CN205826193U CN205826193U CN201620801368.2U CN201620801368U CN205826193U CN 205826193 U CN205826193 U CN 205826193U CN 201620801368 U CN201620801368 U CN 201620801368U CN 205826193 U CN205826193 U CN 205826193U
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Abstract
The utility model discloses a kind of dicycly cornering ratio detecting system, data acquisition process slave computer is fixedly installed on main body of vehicle frame upper surface postmedian, pulling force sensor is fixedly installed on main body of vehicle frame middle front part, it is hinged with described main body of vehicle frame that two connecting rods are arranged on main body of vehicle frame both sides and front end, two connecting rod middle front parts are all connected with pulling force sensor, two connecting rod ends are provided with testing wheel, described pulling force sensor is connected with described data acquisition process slave computer, two described testing wheel angles are 15 ° ± 1.5 °, and described testing wheel is connected with ground surface.So, each testing wheel and travel direction are 7.5 ° of angles, and such testing wheel limit rolls forward, while by frictional force, the data that pulling force sensor records are sent to data acquisition process slave computer, and result is delivered to display unit, display unit carries out showing and remarks；Package unit is arranged on main body of vehicle frame, it is possible to realizing seriality friction coefficient and measure, work efficiency is high, and quick and easy.
Description
Technical field
This utility model relates to Road Detection equipment technical field, particularly relates to a kind of dicycly cornering ratio detection
System.
Background technology
Pavement of road cornering ratio can directly reflect the antiskid performance on road surface；Pavement skid resistance condition is not enough, can be greatly
Increasing vehicle of running at high speed and produce the danger breakked away, serious may result in vehicle accident.Therefore, detection highway pavement is horizontal
Force coefficient is the most necessary.
At present, measure road surface friction force coefficient unit and mostly be employing local measurement, need a dead lift measuring instrument, work
Intensity is high；Owing to using local measurement, its measurement result is the most unilateral, and accuracy is low；And test result repeatability is poor.
Utility model content
This utility model completes to solve deficiency of the prior art, and the purpose of this utility model is to provide one
Plant dicycly cornering ratio detecting system, have and can realize being carried out continuously friction coefficient measurement, work efficiency height, test knot
The advantage that really accuracy is high and test result repeatability is high.
A kind of dicycly cornering ratio detecting system of the present utility model, including main body of vehicle frame, two connecting rods, display parts
Under part, data acquisition process slave computer, pulling force sensor and two testing wheels, described display unit and described data acquisition process
Position machine connects, and described data acquisition process slave computer is fixedly installed on described main body of vehicle frame upper surface postmedian, and described pulling force passes
Sensor is fixedly installed on described main body of vehicle frame middle front part, and two described connecting rods are arranged on described main body of vehicle frame both sides and front end and institute
Stating main body of vehicle frame hinged, two described connecting rod middle front parts are all connected with described pulling force sensor, and described pulling force sensor is with described
Data acquisition process slave computer connects, and two described connecting rod ends are provided with testing wheel, and two described testing wheel angles are 15 ° ±
1.5 °, described testing wheel is connected with ground surface.
A kind of dicycly cornering ratio detecting system of the present utility model it may also is that
Described testing wheel connects has electric pushrod, described electric pushrod to be fixedly installed on described connecting rod.
It is provided with damping spring between described connecting rod end and described main body of vehicle frame.
Being provided with distance test wheel below described main body of vehicle frame, described distance test wheel is connected with ground surface.
It is provided with photoelectric encoder on described distance test wheel.
Being provided with temperature sensor on described connecting rod, described temperature sensing is connected with described data acquisition process slave computer.
Described testing wheel front is provided with water supply water route.
Described testing wheel top is provided with counterweight, and described counterweight is fixedly installed on described main body of vehicle frame.
A kind of dicycly cornering ratio detecting system of the present utility model, including main body of vehicle frame, two connecting rods, display parts
Under part, data acquisition process slave computer, pulling force sensor and two testing wheels, described display unit and described data acquisition process
Position machine connects, and described data acquisition process slave computer is fixedly installed on described main body of vehicle frame upper surface postmedian, and described pulling force passes
Sensor is fixedly installed on described main body of vehicle frame middle front part, and two described connecting rods are arranged on described main body of vehicle frame both sides and front end and institute
Stating main body of vehicle frame hinged, two described connecting rod middle front parts are all connected with described pulling force sensor, and described pulling force sensor is with described
Data acquisition process slave computer connects, and two described connecting rod ends are provided with testing wheel, and two described testing wheel angles are 15 ° ±
1.5 °, described testing wheel is connected with ground surface.So, in 15 ° of angles between two testing wheels, each testing wheel and traveling side
To in 7.5 ° of angles, such testing wheel rolls forward, while by the frictional force on road surface, the frictional force being subject to is by installing
Pulling force sensor between two testing wheel frame for movements records, and the data that pulling force sensor records are sent to data acquisition process
Slave computer, is processed by data acquisition process slave computer and calculates and result is delivered to display unit, and display unit shows
And remarks, in order to inquire about in the future；And package unit is arranged on main body of vehicle frame, it is possible to realize seriality friction coefficient
Measuring, work efficiency is high, and quick and easy, and advantage in terms of existing technologies is: can realize being carried out continuously frictional force
Coefficient is measured, work efficiency is high, test result accuracy is high and test result repeatability is high.
Accompanying drawing explanation
Fig. 1 is the partial structurtes side view of this utility model embodiment dicycly cornering ratio detecting system；
Fig. 2 is the partial structurtes top view of this utility model embodiment dicycly cornering ratio detecting system.
In figure: 1: main body of vehicle frame；2: connecting rod；3: data acquisition process slave computer；4: pulling force sensor；5: testing wheel；6:
Electric pushrod；7: damping spring；8: distance test is taken turns；9: temperature sensor；10: water supply water route；11: counterweight.
Detailed description of the invention
Dicycly cornering ratio detecting system a kind of to this utility model with embodiment is concrete real below in conjunction with the accompanying drawings
The mode of executing is described in further detail.Following example are used for illustrating this utility model, but are not limited to of the present utility model
Scope.
As shown in Figure 1-2, a kind of dicycly cornering ratio detecting system of the present utility model, including main body of vehicle frame 1, two
Individual connecting rod 2, display unit, data acquisition process slave computer 3, pulling force sensor 4 and two testing wheels 5, described display unit with
Described data acquisition process slave computer 3 connects, and described data acquisition process slave computer 3 is fixedly installed on described main body of vehicle frame 1
Surface postmedian, described pulling force sensor 4 is fixedly installed on described main body of vehicle frame 1 middle front part, and two described connecting rods 2 are arranged on institute
State main body of vehicle frame 1 both sides and front end hinged with described main body of vehicle frame 1, two described connecting rod 2 middle front parts all with described pull sensing
Device 4 connects, and described pulling force sensor 4 is connected with described data acquisition process slave computer 3, and two described connecting rod 2 ends are provided with
Testing wheel 5, two described testing wheel 5 angles are 15 ° ± 1.5 °, and described testing wheel 5 is connected with ground surface.So, two surveys
In 15 ° of angles between examination wheel 5, each testing wheel 5 is 7.5 ° of angles with travel direction, such testing wheel 5 rolls forward, and one
While by the frictional force on road surface, the frictional force being subject to is surveyed by the pulling force sensor 4 being arranged between two testing wheel 5 frame for movements
, the data that pulling force sensor 4 records are sent to data acquisition process slave computer 3, are processed by data acquisition process slave computer 3
Calculating and result is delivered to display unit, display unit carries out showing and remarks, in order to inquire about in the future；And package unit peace
It is contained on main body of vehicle frame 1, it is possible to realizing seriality friction coefficient and measure, work efficiency is high, and quick and easy, phase
Advantage for prior art is: can realize being carried out continuously friction coefficient measurement, work efficiency is high, test result is accurate
Degree is high and test result repeatability is high.
A kind of dicycly cornering ratio detecting system of the present utility model, as shown in Figure 1 to Figure 2, previously described
Electric pushrod 6, described electric pushrod 6 is had to be fixedly installed on institute it may also is that described testing wheel 5 connects on the basis of technical scheme
State on connecting rod 2.So, testing wheel 5 connects electric pushrod 6, is regulated the operating angle of testing wheel 5 by electric pushrod 6, when
When testing wheel 5 need not work, brake electric pushrod 6, make electric pushrod 6 regulate testing wheel 5, make testing wheel 5 and direct of travel
Parallel, testing wheel 5 is connected with ground complete rolling, reduces testing wheel 5 and causes testing wheel 5 to wear and tear with ground friction, reduces test
Took turns for 5 service lifes；When device carries out friction coefficient measurement, electric pushrod 6 regulates push rod and stretches out or retraction length, in order to adjust
Joint testing wheel 5 angle is to 7.5 °, and between two testing wheels 5, angle forms 15 °, and such testing wheel 5 rolls forward, while being subject to
The frictional force on road surface, the frictional force being subject to is recorded by the pulling force sensor 4 being arranged between two testing wheel 5 frame for movements, draws
The data that force transducer 4 records are sent to data acquisition process slave computer 3, are processed by data acquisition process slave computer 3 and calculate,
Record friction coefficient.
A kind of dicycly cornering ratio detecting system of the present utility model, as shown in Figure 1 to Figure 2, previously described
It may also is that be provided with damping spring 7 between described connecting rod 2 end and described main body of vehicle frame 1 on the basis of technical scheme.Testing wheel
5 operationally, road surface not smooth flat, and stone and rubbish all may result in testing wheel 5 and upsprings, when testing wheel 5 is upspring
Between in section, testing wheel 5 no data produces, and largely affects final test result, for preventing this phenomenon from producing, in company
Being provided with damping spring 7 between bar 2 end and described main body of vehicle frame 1, damping spring 7 can play cushioning effect so that testing wheel 5
Not affected by pavement structure, testing wheel 5 can offset with ground continuously, it is ensured that measures seriality, makes measurement result accurate；And
Damping spring 7 is set and can effectively prevent that testing wheel about 5 amplitude is excessive causes partial structurtes to be destroyed, reduce testing wheel 5 local
Structure service life.
A kind of dicycly cornering ratio detecting system of the present utility model, as shown in Figure 1 to Figure 2, previously described
On the basis of technical scheme it may also is that be provided with below described main body of vehicle frame 1 distance test wheel 8, described distance test wheel 8 with
Ground surface connects.So, when testing wheel 5 works, distance test wheel 8 can record operating range simultaneously, according to travel away from
From comprehensive descision friction coefficient so that measurement result is more accurate；Further preferred technical scheme is: described distance test
It is provided with photoelectric encoder on wheel 8.So, can calculate, by demarcation, the ratio system collected between pulse and distance covered
Number, it is thus possible to accurately record distance covered and travel speed, and then obtains measurement data the most accurately.
A kind of dicycly cornering ratio detecting system of the present utility model, as shown in Figure 1 to Figure 2, previously described
It may also is that be provided with temperature sensor 9 on described connecting rod 2 on the basis of technical scheme, described temperature sensing 9 and described data
Acquisition process slave computer 3 connects.So, owing to the frictional force of same position different temperatures is different, so using temperature sensing
Device 9 records pavement temperature at that time, and the pavement temperature according to measuring carries out temperature adjustmemt to surveyed cornering ratio value, makes measurement tie
Structure is more accurate.
A kind of dicycly cornering ratio detecting system of the present utility model, as shown in Figure 1 to Figure 2, previously described
It may also is that described testing wheel 5 front is provided with water supply water route 10 on the basis of technical scheme.In order to simulate least favorable state i.e.
The situation of road surface slippery situation, is sprayed water to testing wheel 5 road surface ahead by water supply water route 10, forms the moisture film of 0.5mm-1mm, this
Sample can effectively imitate out wet-skid road surface, thus records the cornering ratio on wet-skid road surface.
A kind of dicycly cornering ratio detecting system of the present utility model, as shown in Figure 1 to Figure 2, previously described
On the basis of technical scheme it may also is that described testing wheel 5 top is provided with counterweight 11, and described counterweight 11 is fixedly installed on described
On main body of vehicle frame 1.For testing wheel 5, its weight is relatively light, and this is carrying out publicity according to testing wheel 5 sole mass
During calculating, its error is relatively large, and resultant error scope is the biggest, so being provided with counterweight 11, counterweight 11 on testing wheel 5 top
It is to ensure that each testing wheel 5 road pavement produces the vertical load of a 761N ± 5N, the frictional force recorded and vertical load
Ratio be sideway force coefficient, the data result recorded is more accurate.
The above is only preferred implementation of the present utility model, it is noted that for the common skill of the art
For art personnel, on the premise of without departing from this utility model know-why, it is also possible to make some improvement and modification, these change
Enter and also should be regarded as protection domain of the present utility model with modification.
Claims (8)
1. a dicycly cornering ratio detecting system, it is characterised in that: include main body of vehicle frame, two connecting rods, display unit,
Data acquisition process slave computer, pulling force sensor and two testing wheels, described display unit is the next with described data acquisition process
Machine connects, and described data acquisition process slave computer is fixedly installed on described main body of vehicle frame upper surface postmedian, described pull sensing
Device is fixedly installed on described main body of vehicle frame middle front part, and two described connecting rods are arranged on described main body of vehicle frame both sides and front end with described
Main body of vehicle frame is hinged, and two described connecting rod middle front parts are all connected with described pulling force sensor, described pulling force sensor and described number
Connecting according to acquisition process slave computer, two described connecting rod ends are provided with testing wheel, and two described testing wheel angles are 15 ° ±
1.5 °, described testing wheel is connected with ground surface.
A kind of dicycly cornering ratio detecting system the most according to claim 1, it is characterised in that: described testing wheel is even
Being connected to electric pushrod, described electric pushrod is fixedly installed on described connecting rod.
A kind of dicycly cornering ratio detecting system the most according to claim 1, it is characterised in that: described connecting rod end
And it is provided with damping spring between described main body of vehicle frame.
A kind of dicycly cornering ratio detecting system the most according to claim 1, it is characterised in that: described main body of vehicle frame
Lower section is provided with distance test wheel, and described distance test wheel is connected with ground surface.
A kind of dicycly cornering ratio detecting system the most according to claim 4, it is characterised in that: described distance test
Photoelectric encoder it is provided with on wheel.
6. according to a kind of dicycly cornering ratio detecting system described in claim 1-5 any one claim, its feature
Being: be provided with temperature sensor on described connecting rod, described temperature sensing is connected with described data acquisition process slave computer.
7. according to a kind of dicycly cornering ratio detecting system described in claim 1-5 any one claim, its feature
It is: described testing wheel front is provided with water supply water route.
8. according to a kind of dicycly cornering ratio detecting system described in claim 1-5 any one claim, its feature
Being: described testing wheel top is provided with counterweight, described counterweight is fixedly installed on described main body of vehicle frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620801368.2U CN205826193U (en) | 2016-07-27 | 2016-07-27 | A kind of dicycly cornering ratio detecting system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620801368.2U CN205826193U (en) | 2016-07-27 | 2016-07-27 | A kind of dicycly cornering ratio detecting system |
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| CN205826193U true CN205826193U (en) | 2016-12-21 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029838A (en) * | 2018-04-30 | 2018-12-18 | 交通运输部公路科学研究所 | Permanent tension traction device for side-friction calibration |
| CN109668682A (en) * | 2018-04-30 | 2019-04-23 | 交通运输部公路科学研究所 | A kind of side-friction calibrating installation and calibration method |
| CN114594045A (en) * | 2022-03-10 | 2022-06-07 | 重庆交通大学 | Continuous detector for road surface friction performance |
-
2016
- 2016-07-27 CN CN201620801368.2U patent/CN205826193U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109029838A (en) * | 2018-04-30 | 2018-12-18 | 交通运输部公路科学研究所 | Permanent tension traction device for side-friction calibration |
| CN109668682A (en) * | 2018-04-30 | 2019-04-23 | 交通运输部公路科学研究所 | A kind of side-friction calibrating installation and calibration method |
| CN109029838B (en) * | 2018-04-30 | 2024-04-12 | 交通运输部公路科学研究所 | Constant-tension traction device for transverse friction force calibration |
| CN114594045A (en) * | 2022-03-10 | 2022-06-07 | 重庆交通大学 | Continuous detector for road surface friction performance |
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