CN206563704U - A kind of bridge pavement antiskid Testing Platform - Google Patents
A kind of bridge pavement antiskid Testing Platform Download PDFInfo
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- CN206563704U CN206563704U CN201720318121.XU CN201720318121U CN206563704U CN 206563704 U CN206563704 U CN 206563704U CN 201720318121 U CN201720318121 U CN 201720318121U CN 206563704 U CN206563704 U CN 206563704U
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- wheel
- loading
- upper plate
- bridge pavement
- vertical shaft
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Abstract
A kind of bridge pavement antiskid Testing Platform, the utility model is related to a kind of bridge pavement antiskid Testing Platform.The invention solves the problems that the problem of bridge pavement antiskid performance indications deficiency can not reflect bridge pavement antiskid performance comprehensively at present.Bridge pavement antiskid Testing Platform is made up of temperature control box 1, upper bracket 2, transmission vertical shaft 3, generator 4, toothed belt transmission bearing group 5, hand elevating lever 7, wireless torque sensor 8, wheel loading system 9, spherical constant velocity cardan joint 6, transverse arm axle 10, upper plate 11, lower shoe 12, arrangement for adjusting height 13, articulated elements 14, gradient measurer 15, shower nozzle 16, positioning bearing 17 and annular charge pallet 18.The frictional behaviour that the utility model is used for the various experimental conditions of bridge pavement is detected.
Description
Technical field
The utility model is related to a kind of bridge pavement antiskid Testing Platform.
Background technology
Bridge pavement anti-slide performance is the index for characterizing bridge security performance, and it reflects bridge pavement resistance vehicle and produced
The ability of phenomenon is slided, it is not only one of basic performance of pavement usage, or influences the key factor of traffic safety.Antiskid
The road surface of function admirable can improve tire and the adhesion property on road surface, so as to reduce defective steering stabilizer, it is to avoid some traffic things
Therefore hidden danger.In current Chinese code of practice《Road Engineering Quality Checking And Evaluation standard》In, propose three index reflection pavement skid resistances
The size of ability, i.e.,：Pendulum value that road surface macro-texture depth, portable pendulum tester are measured, cornering ratio.
It is general deep using sand paving instrument, laser construction in Road Engineering Quality Checking And Evaluation due to the limitation of technology, fund
Spend the mode that instrument measurement construct depth surveys pendulum value with portable pendulum tester.Though for many years it was verified that the above method have stronger science according to
According to, but measured index is not enough to the antiskid level of reflection bridge pavement comprehensively.
Utility model content
The utility model is can not to reflect bridge pavement comprehensively to solve current bridge pavement antiskid performance indications deficiency
The problem of antiskid performance, and a kind of bridge pavement antiskid Testing Platform is provided.
A kind of bridge pavement antiskid Testing Platform of the present utility model is by temperature control box, upper bracket, transmission vertical shaft, hair
Motivation, synchronous belt drive mechanism, hand elevating lever, wireless torque sensor, wheel loading system, power distribution gear transmission mechanism,
Transverse arm axle, upper plate, lower shoe, arrangement for adjusting height, articulated elements, gradient measurer, shower nozzle, positioning bearing and with endless track
Pallet composition；The wheel loading system by tire load counterweight, electromagnetic brake, loading counterweight fix bar, acceleration transducer,
Wheel body crotch, loading wheel, connector and rotating shaft composition；The loading counterweight fix bar is arranged on the upper surface of wheel body crotch, institute
State tire loading counterweight to be arranged in loading counterweight fix bar, be provided with rotating shaft, the rotating shaft and be set with the wheel body crotch
There is loading wheel, the acceleration transducer is arranged in rotating shaft and positioned at the side of loading wheel, and the electromagnetic brake is arranged on
In rotating shaft and the brake block of the electromagnetic brake is fitted with the opposite side of loading wheel, the rotating shaft is fixed on horizontal stroke by connector
One end of arm axle；The upper bracket is arranged on the top of temperature control box and is fixed on the inwall of temperature control box；The engine is set
Put in upper bracket, the output shaft of the engine is connected by synchronous belt drive mechanism with transmission vertical shaft；The transmission is vertical
Axle is arranged on the location mid-shaft of upper bracket through upper bracket；The top of the transmission vertical shaft sets hand elevating lever；It is described
Wireless torque sensor is arranged on the bottom of transmission vertical shaft, and the lower end of the transmission vertical shaft sets dynamic distribution gear driver
Structure, the transmission vertical shaft is fixed in upper plate by positioning bearing, and the upper plate and lower shoe be arranged in parallel, the upper bottom
One end is connected by articulated elements between plate and lower shoe, and the other end is connected by arrangement for adjusting height；The arrangement for adjusting height includes
Vertically disposed and for connecting the bolt of the lower shoe and upper plate, shank of bolt passes through upper plate, and the bottom of shank of bolt is set
It is placed in the upper surface of lower shoe；The surface of the upper plate is provided with the pallet with endless track, the support with endless track
Three wheel loading systems are distributed with by circular array in the top of disk, and three wheel loading systems are connected to power by transverse arm axle and distributed
On gear drive, the shower nozzle for being fixed on upper bracket lower end is provided with above the wheel loading system；The upper plate
Lower surface is provided with gradient measurer；The signal output part of the acceleration transducer and the signal output of wireless torque sensor
The signal receiving end of the computer of end respectively with being arranged on outside temperature control box is connected.
Operating process：Wheel load system improving is got up using hand elevating lever, each sensor and electromagnetic brake is checked
Use state ensure normal operation；Tire is selected to load the weight of counterweight, respectively by the tire loading counterweight peace of identical weight
In loading counterweight fix bar；Open computer；Part to be measured is put into the pallet with endless track and fixed, temperature control is adjusted
Temperature in case, reaches insulation more than 2h after test temperature；Reduction wheel loading system, makes loading wheel be contacted with surface to be measured；Setting
Loading wheel test speed, collects data, sets data save location, opens engine；When the speed of loading wheel reaches setting speed
When spending, start electromagnetic brake, record experimental data, that is, complete bridge pavement antiskid performance evaluation.
Beneficial effect：
The frictional behaviour that the utility model is applied to various experimental conditions is detected, is realized rubber tyre and is connected with bridge pavement
The simulation process of continuous abrasion；True transport condition of the simulation actual vehicle on bridge pavement, and can conveniently realize
Road surface and tire interface state change, are easy to test comparative analysis.The utility model based on the speed versus time in process of the test,
Torque-time curves, using the dynamic friction coefficient of moment of torsion inverse as metrics evaluation, evaluate antiskid characteristic.By operating
Braking torque is applied to tire in journey, the friction behavior that tire is braked in vehicle travel process is simulated, by being placed in transmission
Tire and the coefficient of friction on road surface evaluate different condition under the returned data inverse friction speed of wireless torque sensor on axle
Under tire-road antiskid performance.
Brief description of the drawings
Fig. 1 is a kind of structural representation of bridge pavement antiskid Testing Platform；
Fig. 2 is the top view in the test box body；
Fig. 3 is the structural representation of wheel loading system.
Embodiment
Embodiment one：Illustrate present embodiment, a kind of bridge road of present embodiment with reference to Fig. 1, Fig. 2 and Fig. 3
Antiskid Testing Platform in face is by temperature control box 1, upper bracket 2, transmission vertical shaft 3, engine 4, synchronous belt drive mechanism 5, hand
Elevating lever 7, wireless torque sensor 8, wheel loading system 9, power distribution gear transmission mechanism 6, transverse arm axle 10, upper plate 11, under
Bottom plate 12, arrangement for adjusting height 13, articulated elements 14, gradient measurer 15, shower nozzle 16, positioning bearing 17 and the support with endless track
Disk 18 is constituted；The wheel loading system 9 loads counterweight, electromagnetic brake 9-4, loading counterweight fix bar 9-7, acceleration by tire and passed
Sensor 9-5, wheel body crotch 9-2, loading wheel 9-1, connector 9-8 and rotating shaft 9-3 compositions；The loading counterweight fix bar 9-7 is set
Put in wheel body crotch 9-2 upper surface, the tire loading counterweight is arranged on loading counterweight fix bar 9-7, the wheel body fork
It is provided with frame 9-2 on rotating shaft 9-3, the rotating shaft 9-3 and is set with loading wheel 9-1, the acceleration transducer 9-5, which is arranged on, is turned
On axle 9-3 and positioned at loading wheel 9-1 side, the electromagnetic brake 9-4 is arranged on rotating shaft 9-3 and the electromagnetic brake
9-4 brake block is fitted with loading wheel 9-1 opposite side, and the rotating shaft 9-3 is fixed on the one of transverse arm axle 10 by connector 9-8
End；The upper bracket 2 is arranged on the top of temperature control box 1 and is fixed on the inwall of temperature control box 1；The engine 4 is arranged on
In upper bracket 2, the output shaft of the engine 4 is connected by synchronous belt drive mechanism 5 with transmission vertical shaft 3；The transmission is vertical
Axle 3 is arranged on the location mid-shaft of upper bracket 2 through upper bracket 2；The top of the transmission vertical shaft 3 sets hand elevating lever 7；
The wireless torque sensor 8 is arranged on the bottom of transmission vertical shaft 3, and the lower end of the transmission vertical shaft 3 sets dynamic distribution tooth
Wheel drive mechanism 6, the transmission vertical shaft 3 is fixed in upper plate 11 by positioning bearing 17, the upper plate 11 and lower shoe
12 are be arranged in parallel, and one end is connected by articulated elements 14 between the upper plate 11 and lower shoe 12, and the other end is by arrangement for adjusting height
13 are connected；The arrangement for adjusting height 13 includes vertically disposed and for connecting the spiral shell of the lower shoe 12 and upper plate 11
Bolt, shank of bolt passes through upper plate 11, and the bottom of shank of bolt is arranged at the upper surface of lower shoe 10；The surface of the upper plate 11 is set
The pallet 18 with endless track is equipped with, three wheel load systems are distributed with by circular array in the top of the pallet 18 with endless track
System 9, three wheels loading system 9 is connected on power distribution gear transmission mechanism 6 by transverse arm axle 10, the wheel loading system 9
Top be provided with the shower nozzle 16 for being fixed on the lower end of upper bracket 2；The lower surface of the upper plate 11 is provided with gradient measurer
15；The signal output part of the acceleration transducer 9-5 and the signal output part of wireless torque sensor 8 are respectively with being arranged on temperature
The signal receiving end for controlling the computer outside case 1 is connected.
Temperature control box described in present embodiment can simulated roadway drying, humidity, rain, snow and low temperature freeze etc. Special Ring
There is provided the situation of many-sided bridge pavement antiskid performance under border, it is easy to provide experiment if appropriate for vehicle pass-through to bridge pavement
Data, are easy to highway administration department to take corresponding measure, it is ensured that traffic safety.
Present embodiment can be simulated under different car weights, different normal pressure, friction speed and different temperatures and humidity, and vehicle exists
When straight trip is with turning round, the antiskid performance on road surface, its result is available for designing, detects and uses during Maintenance Decision making；By using continuous
The mode of loading, can allow the continuous continual road pavement of wheel to be rubbed, in the case where tire continuously rubs, ground surface material
Antiskid performance is quickly reduced, therefore, can evaluate the attenuation of pavement skid resistance condition by testing detection, and estimate road surface accordingly
In the life-span of material antiskid performance, it is easy to recover pavement skid resistance condition using corresponding disposing technique during late maintaining maintenance activity.
Present embodiment sets hand elevating lever to be in order to which control wheel loading system is lifted, it is ensured that tire and part surface to be measured are certainly
By contacting, while being easy to part to be measured to install and experimental condition adjustment.
Engine output torque described in present embodiment passes to transmission vertical shaft, and driven wheel by synchronous belt drive mechanism
Loading system moves in a circle around transmission vertical shaft.
Loading system is taken turns described in present embodiment and acts on analog form as vehicle and road surface using three axle wheel load circular motion,
This mode of action enables experiment wheel adaptive surface of test piece to be measured in the process of running, it is ensured that three-wheel load is uniform, simultaneously
Experiment wheel be it also avoid because hard contact causes instrument damage.
Transverse arm axle described in present embodiment should have certain rotational freedom, and therefore, transverse arm axle passes through double-row ball
Face ball bearing is connected with transmission vertical shaft, and rolling bearing frictional resistance is small, and mechanical efficiency is high, gearing friction torque ratio hydrodynamic
Bearing it is much lower, friction Temperature Rise is low, and this make it that the self friction coefficient measurement error of instrument is small, increases the service life.
Present embodiment, which is arranged on the inside of loading wheel, sets electromagnetic brake, steady with desin speed in loading wheel during experiment
Brake power supply is connected during operation there is provided braking torque, the effect braked to experiment wheel is reached so that loading wheel slip rate
It is controllable.
Present embodiment is loaded using physics counterweight loading means to tire, is：Set and add on loading wheel top
Carrying platform, and different load-carrying counterweights (2.5kg, 5.0kg, 10.0kg) are configured, the earth contact pressure of tire is controlled using physical load method
By force, it is ensured that the uniformity and stability of single wheel loads effect, while avoiding air pressure and oil pressure from loading because temperature, rotating speed influence are led
The deviation effects of cause.
Present embodiment is adjustable the distance between two layers by swivel bolt, changes the gradient of upper plate, and height is adjusted
The setting of device, can adjust the height of upper plate come simulated roadway horizontal slope by swivel bolt.
Influence of the present embodiment by shower nozzle Simulated rainwater to skid resistance energy.
Claims (1)
1. a kind of bridge pavement antiskid Testing Platform, it is characterised in that bridge pavement antiskid Testing Platform is by temperature control box
(1), upper bracket (2), transmission vertical shaft (3), engine (4), synchronous belt drive mechanism (5), hand elevating lever (7), wireless torsion
Square sensor (8), wheel loading system (9), power distribution gear transmission mechanism (6), transverse arm axle (10), upper plate (11), lower shoe
(12), arrangement for adjusting height (13), articulated elements (14), gradient measurer (15), shower nozzle (16), positioning bearing (17) and with annular
Pallet (18) composition of runway；The wheel loading system (9) loads counterweight, electromagnetic brake (9-4), loading counterweight by tire and fixed
Bar (9-7), acceleration transducer (9-5), wheel body crotch (9-2), loading wheel (9-1), connector (9-8) and rotating shaft (9-3) group
Into；The loading counterweight fix bar (9-7) is arranged on wheel body crotch (9-2) upper surface, and the tire loading counterweight is arranged on
Load in counterweight fix bar (9-7), be provided with rotating shaft (9-3), the rotating shaft (9-3) and be set with the wheel body crotch (9-2)
There is loading wheel (9-1), the acceleration transducer (9-5) is arranged in rotating shaft (9-3) and positioned at the side of loading wheel (9-1),
The electromagnetic brake (9-4) be arranged in rotating shaft (9-3) and the electromagnetic brake (9-4) brake block and loading wheel (9-
1) opposite side laminating, the rotating shaft (9-3) is fixed on one end of transverse arm axle (10) by connector (9-8)；The top branch
Frame (2) is arranged on the top of temperature control box (1) and is fixed on the inwall of temperature control box (1)；The engine (4) is arranged on top branch
In frame (2), the output shaft of the engine (4) is connected by synchronous belt drive mechanism (5) with transmission vertical shaft (3)；The transmission
Vertical shaft (3) is arranged on the location mid-shaft of upper bracket (2) through upper bracket (2)；The top of the transmission vertical shaft (3) sets hand
Shake elevating lever (7)；The wireless torque sensor (8) is arranged under the bottom of transmission vertical shaft (3), the transmission vertical shaft (3)
End sets dynamic distribution gear transmission mechanism (6), and the transmission vertical shaft (3) is fixed on upper plate by positioning bearing (17)
(11) in, the upper plate (11) and lower shoe (12) be arranged in parallel, one end between the upper plate (11) and lower shoe (12)
It is connected by articulated elements (14), the other end is connected by arrangement for adjusting height (13)；The arrangement for adjusting height (13) includes vertically setting
It is putting and for connecting the bolt of the lower shoe (12) and upper plate (11), shank of bolt through upper plate (11), shank of bolt
Bottom is arranged at the upper surface of lower shoe 10；The surface of the upper plate (11) is provided with the pallet (18) with endless track, institute
Three wheel loading systems (9), three wheels loading system are distributed with by circular array in the top for stating the pallet (18) with endless track
(9) it is connected on power distribution gear transmission mechanism (6), is provided with above the wheel loading system (9) by transverse arm axle (10)
It is fixed on the shower nozzle (16) of upper bracket (2) lower end；The lower surface of the upper plate (11) is provided with gradient measurer (15)；Institute
The signal output part of acceleration transducer (9-5) and the signal output part of wireless torque sensor (8) are stated respectively with being arranged on temperature
The signal receiving end for controlling the outside computer of case (1) is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720318121.XU CN206563704U (en) | 2017-03-29 | 2017-03-29 | A kind of bridge pavement antiskid Testing Platform |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720318121.XU CN206563704U (en) | 2017-03-29 | 2017-03-29 | A kind of bridge pavement antiskid Testing Platform |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206563704U true CN206563704U (en) | 2017-10-17 |
Family
ID=60033085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720318121.XU Expired - Fee Related CN206563704U (en) | 2017-03-29 | 2017-03-29 | A kind of bridge pavement antiskid Testing Platform |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206563704U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109060571A (en) * | 2018-06-08 | 2018-12-21 | 太原市路邦科技有限公司 | A kind of accelerated loading abrasion test instrument for Pavement Skid Resistance functional layer wear-resisting property |
| WO2019210688A1 (en) * | 2018-05-03 | 2019-11-07 | 长安大学 | Simulation test device and method for research on friction process between tires and road surface |
| CN112098250A (en) * | 2020-09-17 | 2020-12-18 | 哈尔滨工业大学 | Road complex working condition wheel type polishing and anti-skid integrated machine |
| CN113418861A (en) * | 2021-06-17 | 2021-09-21 | 东南大学 | Device and method for indoor research on decay law of skid resistance of pavement material |
| CN113588543A (en) * | 2021-07-30 | 2021-11-02 | 哈尔滨工业大学 | Self-lifting controller for wheel type high-speed anti-skid instrument |
| CN113916771A (en) * | 2021-09-01 | 2022-01-11 | 哈尔滨工业大学 | Road surface slippery state sensor calibration device and method for monitoring dynamic friction coefficient |
| WO2023116330A1 (en) * | 2021-12-24 | 2023-06-29 | 青岛科技大学 | Rubber friction testing apparatus |
-
2017
- 2017-03-29 CN CN201720318121.XU patent/CN206563704U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019210688A1 (en) * | 2018-05-03 | 2019-11-07 | 长安大学 | Simulation test device and method for research on friction process between tires and road surface |
| CN109060571A (en) * | 2018-06-08 | 2018-12-21 | 太原市路邦科技有限公司 | A kind of accelerated loading abrasion test instrument for Pavement Skid Resistance functional layer wear-resisting property |
| CN112098250A (en) * | 2020-09-17 | 2020-12-18 | 哈尔滨工业大学 | Road complex working condition wheel type polishing and anti-skid integrated machine |
| CN113418861A (en) * | 2021-06-17 | 2021-09-21 | 东南大学 | Device and method for indoor research on decay law of skid resistance of pavement material |
| CN113418861B (en) * | 2021-06-17 | 2022-04-15 | 东南大学 | Device and method for indoor research on decay law of skid resistance of pavement material |
| CN113588543A (en) * | 2021-07-30 | 2021-11-02 | 哈尔滨工业大学 | Self-lifting controller for wheel type high-speed anti-skid instrument |
| CN113916771A (en) * | 2021-09-01 | 2022-01-11 | 哈尔滨工业大学 | Road surface slippery state sensor calibration device and method for monitoring dynamic friction coefficient |
| CN113916771B (en) * | 2021-09-01 | 2023-08-25 | 哈尔滨工业大学 | Road surface wet and slippery state sensor device and method for monitoring dynamic friction coefficient |
| WO2023116330A1 (en) * | 2021-12-24 | 2023-06-29 | 青岛科技大学 | Rubber friction testing apparatus |
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Legal Events
| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171017 Termination date: 20210329 |