CN105910933B - A kind of asphalt anti-slide performance die-away test test device - Google Patents
A kind of asphalt anti-slide performance die-away test test device Download PDFInfo
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- CN105910933B CN105910933B CN201610402281.2A CN201610402281A CN105910933B CN 105910933 B CN105910933 B CN 105910933B CN 201610402281 A CN201610402281 A CN 201610402281A CN 105910933 B CN105910933 B CN 105910933B
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- test specimen
- tire
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- placing groove
- bracket
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/56—Investigating resistance to wear or abrasion
Abstract
The invention belongs to ground surface material technical field of performance test, are related to a kind of asphalt anti-slide performance die-away test test device, including test specimen placing groove, two-direction switch, tire, tire device for exerting, test specimen placing groove driving device and bracket；The longitudinal section of bracket is in rectangle；Test specimen placing groove is placed in internal stent；Test specimen placing groove driving device is connected with test specimen placing groove and test specimen placing groove is driven to move freely in the bottom of bracket；Two-direction switch is two；Two two-direction switch are symmetricly set on the side wall of bracket；The running track of two two-direction switch and test specimen placing groove is on same axis；Test specimen to be measured is placed in test specimen placing groove；Tire is arranged at the top of test specimen to be measured；Tire device for exerting, which is arranged in the top of bracket and is connected with tire and passes through tire, applies pressure to test specimen to be measured.The present invention provides a kind of asphalt anti-slide performance die-away test test devices that can be used to the influence of tire road pavement anti-slide performance when simulating vehicle brakes.
Description
Technical field
The invention belongs to ground surface material technical field of performance test, it is related to a kind of experiment test device, more particularly to a kind of
Asphalt anti-slide performance die-away test test device.
Background technique
One of an important factor for pavement skid resistance condition is influence traffic safety, it is long-term to maintain the good antiskid performance in road surface
It is the effective way for improving traffic safety level.But under the action of traffic load and dust filling etc., the antiskid on road surface
Ability decays rapidly, for this status, carries out the research of pavement skid resistance condition attenuation law, be Asphalt Mixture Design and
Maintenance of surface, which provides beneficial reference, to have great importance.
Currently, mainly being commented by the coefficient of friction of test specimen and average texture depth for asphalt anti-slide performance
Valence analyzes emphatically the influence of asphalt mixture gradation type and nominal maximum particle diameter to anti-slip index initial value, but right
In asphalt under vehicular load repeated action, especially during vehicle brake, tire to road surfaces have shearing and
The research of the effect of friction is fewer.
Summary of the invention
Based on the above reasons, the purpose of the present invention is to provide one kind can be used to tire road pavement when simulating vehicle brakes
The asphalt anti-slide performance die-away test test device of the influence of anti-slide performance.
To achieve the above object, the present invention adopts the following technical scheme that:
A kind of asphalt anti-slide performance die-away test test device, it is characterised in that: the asphalt antiskid
Ability die-away test test device includes test specimen placing groove, two-direction switch, tire, tire device for exerting, the driving of test specimen placing groove
Device and bracket；The longitudinal section of the bracket is in rectangle；The test specimen placing groove is placed in internal stent；The test specimen placing groove
Driving device is connected with test specimen placing groove and test specimen placing groove is driven to move freely in the bottom of bracket；The two-direction switch is two
It is a；Two two-direction switch are symmetricly set on the side wall of bracket；The running track of described two two-direction switch and test specimen placing groove
On same axis；Test specimen to be measured is placed in test specimen placing groove；The tire is arranged at the top of test specimen to be measured；The tire is applied
Pressure device, which is arranged in the top of bracket and is connected with tire and passes through tire, applies pressure to test specimen to be measured.
Preferably, tire device for exerting of the present invention includes support frame, oil cylinder and the liquid being connected with oil cylinder
Press pump；Support frame as described above is arranged in cradle top；The oil cylinder and hydraulic pump are respectively set on the support frame；The hydraulic pump
It is connected with tire and passes through tire and applies pressure to test specimen to be measured.
It is not more than preferably, tire device for exerting of the present invention applies pressure to test specimen to be measured by tire
0.7Mpa。
Preferably, tire device for exerting of the present invention further includes the sliding slot that cradle top is arranged in；The branch
Support is arranged in sliding slot and can slide up and down freely in sliding slot.
Preferably, the bottom of bracket of the present invention is provided with sliding rail；The test specimen placing groove is arranged in sliding rail
Above and on the slide rail slide freely；Described two two-direction switch and sliding rail are in same axis.
Preferably, test specimen of the present invention, which places trench bottom, is provided with pulley；The pulley setting is on the slide rail
And it slides freely on the slide rail.
Preferably, test specimen placing groove driving device of the present invention includes motor, shaft coupling and retarder；Institute
Motor is stated to be connected by shaft coupling with retarder；The retarder is connected with pulley and driving pulley slides freely on the slide rail.
Preferably, test specimen to be measured of the present invention is one or more groups of.
Preferably, test specimen to be measured of the present invention is 3 groups.
The invention has the advantages that
The present invention relates to a kind of asphalt anti-slide performance die-away test test devices, including sliding rail, pulley, test specimen to put
Set slot, two-direction switch, tire, support frame, sliding slot, oil cylinder, hydraulic pump, bracket and test specimen to be measured.Motor is fixed on test specimen placement
Slot side, test specimen placing groove lower section are equipped with pulley, and pulley spindle rotates band movable pulley in cunning under the driving effect of motor
It is moved on rail, bracket left and right sides is equipped with two-direction switch and moves round about after test specimen placing groove contacts two-direction switch, tries
Part placing groove is fixedly arranged above the tire by pressure on regulation of hydraulic system tire centerline axis, and tire does not rotate, and works as examination
When part placing groove horizontal motion, shearing slip occurs for the surface of tire test specimen in test specimen placing groove.The present invention tests dress
Set the influence of tire road pavement anti-slide performance when can be used to simulating vehicle brake.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of asphalt anti-slide performance die-away test test device provided by the present invention；
Fig. 2 is the overlooking structure diagram of test specimen placing groove of the present invention；
Label is described as follows in figure:
1- sliding rail；2- pulley；3- test specimen placing groove；4- two-direction switch；5- tire；6- support frame；7- sliding slot；8- oil cylinder；
9- hydraulic pump；10- bracket；11- test specimen to be measured.
Specific embodiment
The present invention is described in more detail with reference to the accompanying drawing, and unknown place is shown in Summary.
Referring to Fig. 1, the present invention provides a kind of asphalt anti-slide performance die-away test test device, asphalts
Anti-slide performance die-away test test device includes test specimen placing groove 3, two-direction switch 4, tire 5, tire device for exerting, test specimen placement
Slot driving device and bracket 10；The longitudinal section of bracket 10 is in rectangle；Test specimen placing groove 3 is placed in inside bracket 10；Test specimen is placed
Slot driving device is connected with test specimen placing groove 3 and test specimen placing groove 3 is driven to move freely in the bottom of bracket 10；Two-direction switch 4
It is two；Two two-direction switch 4 are symmetricly set on the side wall of bracket 10；The operation of two two-direction switch 4 and test specimen placing groove 3
Track is on same axis；Test specimen 11 to be measured is placed in test specimen placing groove 3；The setting of tire 5 is at 11 top of test specimen to be measured；Tire
Device for exerting is arranged in the top of bracket 10 and is connected with tire 5 and applies pressure to test specimen 11 to be measured by tire 5.
Tire device for exerting includes support frame 6, oil cylinder 8 and the hydraulic pump 9 being connected with oil cylinder 8；The setting of support frame 6 is being propped up
10 top of frame；Oil cylinder 8 and hydraulic pump 9 are separately positioned on support frame 6；Hydraulic pump 9 be connected with tire 5 and by tire 5 to
Test specimen 11 to be measured applies pressure；Tire device for exerting applies pressure to test specimen 11 to be measured by tire 5 and is not more than 0.7Mpa.
Tire device for exerting further includes the sliding slot 7 that 10 top of bracket is arranged in；Support frame 6 is arranged in sliding slot 7 and can be
It is slided up and down freely in sliding slot 7；The bottom of bracket 10 is provided with sliding rail 1；Test specimen placing groove 3 is arranged on sliding rail 1 and in sliding rail 1
On slide freely；Two two-direction switch 4 and sliding rail 1 are in same axis；3 bottom of test specimen placing groove is provided with pulley 2；Pulley 2
Setting is slided freely on sliding rail 1 and on sliding rail 1.
Test specimen placing groove driving device includes motor, shaft coupling and retarder；Motor passes through shaft coupling and retarder phase
Even；Retarder is connected with pulley 2 and driving pulley 2 slides freely on sliding rail 1.
Referring to fig. 2, test specimen 11 to be measured is one or more groups of, preferably 3 groups.
Asphalt anti-slide performance die-away test test device provided by the present invention is in specific works: motor is fixed
In 3 side of test specimen placing groove, pulley 2 is installed below test specimen placing groove 3, pulley spindle rotates under the driving effect of motor
Band movable pulley 2 moves on sliding rail 1, and 10 left and right sides of bracket is equipped with two-direction switch 4, test specimen placing groove 3 contact two-direction switch 4 it
Afterwards, start to move in opposite directions, test specimen placing groove 3 is fixedly arranged above through pressure on 5 central axis of regulation of hydraulic system tire
Tire 5, tire 5 does not rotate, when test specimen 3 horizontal motion of placing groove, the test specimen in test specimen placing groove 3 of tire 5
Surface slide.Test device of the present invention can be used to the influence of 5 road pavement anti-slide performance of tire when simulating vehicle brake.
The output shaft of motor is connected with retarder one end by shaft coupling, the other end of retarder and the central axis of pulley 2
It is connected.Pulley 2 moves under motor driven effect along sliding rail 1.Two-direction switch 4 is installed, test specimen is put at left and right sides of bracket 10
It sets after slot 3 contacts two-direction switch 4 and is just moved along opposite direction.Support frame 6, tire 5 and wheel are fixed with below bracket 10
The device for exerting of tire.Support frame 6 slides on vertical direction on sliding slot 7, to adjust support frame 6 together with the vertical position of tire 5
It sets.Power device is placed on support frame 6, power device includes oil pump and hydraulic pump 9, and power device, which transfers power to, to be fixed on
On support frame 6 on the central axis of tire 5.The tire 5 being fixed on support frame 6 does not rotate.It is provided with below tire 5
Test specimen placing groove 3, internal diameter 150mm can place 3 groups of gyratory compaction bitumen mixture specimens simultaneously.Repeatedly by wheel load
Test specimen 11 to be measured in test specimen placing groove 3 under shear action carries out sand patch test on its surface, judges bitumen mixture specimen
The anti-slide performance attenuation law under the effect of shearing friction repeatedly of tire 5.
Embodiment 1:
One group of gyratory compaction molding bitumen mixture specimen (3 test specimens), is placed on test specimen placing groove for test specimen 11 to be measured
In 3, adjust place power device support frame 6, slide it in sliding slot 7, the power device on support frame 6, power device
Including oil cylinder 8 and hydraulic pump 9, until so that the pressure on tire is reached 0.7Mpa, motor connects retarder, and one end of retarder is solid
On the central axis of fixed pulley 1, pulley 1 is slided under the driving effect of power device along sliding rail 1, when test specimen placing groove 3 encounters branch
After the two-direction switch 4 of 10 side of frame, test specimen placing groove moves in opposite direction, repeats the above steps, and tire is in surface of test piece
It is upper to repeat shearing friction, after reaching the setting period, the coefficient of sliding resistance of test specimen 11 to be measured is tested using sand patch method, judges that pitch mixes
Expect the attenuation law of antiskid performance.
Claims (3)
1. a kind of asphalt anti-slide performance die-away test test device, it is characterised in that: the asphalt antiskid energy
Power die-away test test device includes test specimen placing groove (3), two-direction switch (4), tire (5), tire device for exerting, test specimen placement
Slot driving device and bracket (10)；The longitudinal section of the bracket (10) is in rectangle；The test specimen placing groove (3) is placed in bracket
(10) internal；The test specimen placing groove driving device is connected with test specimen placing groove (3) and drives test specimen placing groove (3) in bracket
(10) it moves freely bottom；The two-direction switch (4) is two；Two two-direction switch (4) are symmetricly set on bracket (10)
On side wall；The running track of described two two-direction switch (4) and test specimen placing groove (3) is on same axis；Test specimen to be measured
(11) it is placed in test specimen placing groove (3)；Tire (5) setting is at the top of test specimen to be measured (11)；The tire device for exerting is set
It sets the top in bracket (10) and is connected with tire (5) and applies pressure to test specimen to be measured (11) by tire (5)；The tire
(5) it does not rotate；
The tire device for exerting includes support frame (6), oil cylinder (8) and the hydraulic pump (9) being connected with oil cylinder (8)；The branch
Support (6) setting is at the top of bracket (10)；The oil cylinder (8) and hydraulic pump (9) are separately positioned on support frame (6)；It is described
Hydraulic pump (9) is connected with tire (5) and applies pressure to test specimen to be measured (11) by tire (5)；The tire device for exerting is also
Including the sliding slot (7) being arranged at the top of bracket (10)；Support frame as described above (6) is arranged in sliding slot (7) and can be in sliding slot (7) certainly
It such as slides up and down, the tire (5) is fixedly connected on support frame (6)；The tire device for exerting is by tire (5) to be measured
Test specimen (11) applies pressure and is not more than 0.7Mpa；The bottom of the bracket (10) is provided with sliding rail (1)；The test specimen placing groove
(3) setting is slided freely on sliding rail (1) and on sliding rail (1)；Described two two-direction switch (4) are in same with sliding rail (1)
Axis；Test specimen placing groove (3) bottom is provided with pulley (2)；The pulley (2) is arranged on sliding rail (1) and in sliding rail (1)
On slide freely；The test specimen placing groove driving device includes motor, shaft coupling and retarder；The motor passes through shaft coupling
It is connected with retarder；The retarder is connected with pulley (2) and driving pulley (2) slides freely on sliding rail (1).
2. asphalt anti-slide performance die-away test test device according to claim 1, it is characterised in that: it is described to
Test block (11) is one or more groups of.
3. asphalt anti-slide performance die-away test test device according to claim 2, it is characterised in that: it is described to
Test block (11) is 3 groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402281.2A CN105910933B (en) | 2016-06-08 | 2016-06-08 | A kind of asphalt anti-slide performance die-away test test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610402281.2A CN105910933B (en) | 2016-06-08 | 2016-06-08 | A kind of asphalt anti-slide performance die-away test test device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105910933A CN105910933A (en) | 2016-08-31 |
| CN105910933B true CN105910933B (en) | 2019-09-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610402281.2A Active CN105910933B (en) | 2016-06-08 | 2016-06-08 | A kind of asphalt anti-slide performance die-away test test device |
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| CN (1) | CN105910933B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107132137B (en) * | 2017-04-26 | 2019-08-06 | 长安大学 | A kind of asphalt constraint test specimen wheel tracking test device and method |
| CN107764630B (en) * | 2017-10-19 | 2020-04-14 | 长安大学 | Test device for testing shear failure of asphalt pavement |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08201261A (en) * | 1995-01-24 | 1996-08-09 | Toray Ind Inc | Incision resistance testing device |
| CN101281190A (en) * | 2008-04-25 | 2008-10-08 | 长安大学 | Multifunctional wheel rutting test |
| CN201368833Y (en) * | 2009-03-27 | 2009-12-23 | 长安大学 | Road surface accelerated wear testing apparatus |
| CN104237003A (en) * | 2014-09-11 | 2014-12-24 | 长沙理工大学 | Tire-type antiskid duration testing clamp for asphalt mixture and application method thereof |
| CN104677762A (en) * | 2013-11-27 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Wheel wear experimental device and wheel wear experimental method |
| CN205898597U (en) * | 2016-06-08 | 2017-01-18 | 山西省交通科学研究院 | Bituminous mixture cling compound ability die -away test testing arrangement |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967047B (en) * | 2009-07-28 | 2013-01-30 | 交通部公路科学研究所 | Steel slag and rubber asphalt concrete and preparation method thereof |
-
2016
- 2016-06-08 CN CN201610402281.2A patent/CN105910933B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08201261A (en) * | 1995-01-24 | 1996-08-09 | Toray Ind Inc | Incision resistance testing device |
| CN101281190A (en) * | 2008-04-25 | 2008-10-08 | 长安大学 | Multifunctional wheel rutting test |
| CN201368833Y (en) * | 2009-03-27 | 2009-12-23 | 长安大学 | Road surface accelerated wear testing apparatus |
| CN104677762A (en) * | 2013-11-27 | 2015-06-03 | 海洋王（东莞）照明科技有限公司 | Wheel wear experimental device and wheel wear experimental method |
| CN104237003A (en) * | 2014-09-11 | 2014-12-24 | 长沙理工大学 | Tire-type antiskid duration testing clamp for asphalt mixture and application method thereof |
| CN205898597U (en) * | 2016-06-08 | 2017-01-18 | 山西省交通科学研究院 | Bituminous mixture cling compound ability die -away test testing arrangement |
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| CN105910933A (en) | 2016-08-31 |
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