CN103424325A - Pavement accelerated polishing experiment device - Google Patents
Pavement accelerated polishing experiment device Download PDFInfo
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- CN103424325A CN103424325A CN2013103671075A CN201310367107A CN103424325A CN 103424325 A CN103424325 A CN 103424325A CN 2013103671075 A CN2013103671075 A CN 2013103671075A CN 201310367107 A CN201310367107 A CN 201310367107A CN 103424325 A CN103424325 A CN 103424325A
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Abstract
The invention discloses a pavement accelerated polishing experiment device comprising an experimental material fixing mechanism and a polishing material fixing mechanism. The experimental material fixing mechanism is capable of performing reciprocating motions corresponding to the polishing material fixing mechanism, and is provided with a drawing device for driving the experimental material fixing mechanism to move. The polishing material fixing mechanism is provided with a loading device. The pavement accelerated polishing experiment device simulates a vehicle driving on the pavement, data of pavement friction coefficient, wear depth and quality losses can be measured and calculated, and performances of sliding proofing and wear resisting of the experimental material can by analyzed; performances of sliding proofing and wear resisting of the experimental material on the different conditions can be acquired by mounting different experimental materials and different polishing materials.
Description
Technical field
The invention belongs to the technical field of testing of materials.
Background technology
Along with developing rapidly of highway industry, the continuous increase of highway quantity, it is more and more convenient that traffic becomes.But road surface is in use because vehicle fleet size is many, travelling speed is fast, vehicle-mounted bearing capacity is large, cause the wearing and tearing on road surface to become large, anti-slide performance reduces, and particularly rainy season, the ponding on road surface can form water membrane between tire and road surface, very easily cause smooth and cause traffic hazard, having influence on traffic safety.Therefore, the security performance of the cling property on road surface and driving has direct relation.
The surperficial antiskid on road surface, the size of abrasive resistance depend primarily on macroscopical texture of road crust structure and the Micro texture of aggregate particle itself.The cling property of the antiskid wearing layer of the characteristic road pavement of gathering materials has conclusive impact, and the cling property of pavement skid resistance wearing course mainly is worth to be estimated by the polishing of gathering materials.Also have the asphalt technology also with the cling property on road surface, relation to be arranged, the structural attitude on road surface is determined by asphalt, and drainability when good pavement structure can improve rainy season between road surface and wheel reduces due to the smooth traffic hazard caused.
Because ground surface material and Road Service Life, traffic safety have close ties, therefore developing a kind of easy ground surface material, to accelerate the polishing test unit be necessary.At present, abundant achievement in research has been obtained in countries in the world aspect pavement skid resistance condition, has developed the testing apparatus of multiple cling property.Through researching and analysing plurality of devices, find to have the relative merits of himself, what as some equipment, adopt in when operation is that tire rolls and comes simulated automotive to travel on road on road surface, tire not only will be realized the rotation of self, tire integral body also needs to move in a circle, be that the tire drop point is that circular track is made shuttling movement, because there is certain width in tire, the interior ring of tire (being a side of the close axis of tire) and outer shroud (being the side away from axis of tire) operation angle is different, add it is to move in a circle along a certain axis, have the effect of centrifugal force during operation, just cumbersome when calculating its friction factor like this, can not draw quickly test findings.
Summary of the invention
The invention provides a kind of road surface and accelerate the polishing test unit, solution must not draw the problem of the index Test results such as surface friction coefficient, wearing depth and mass loss quickly, better to estimate the antiskid anti-wear performance of ground surface material.
In order to solve the problems of the technologies described above, the invention provides following technical scheme:
The polishing test unit is accelerated on a kind of road surface, comprise test material fixed mechanism and polishing material fixed mechanism, described test material fixed mechanism polishing material fixed mechanism relatively moves back and forth, the test material fixed mechanism is provided with the draw-gear that drives its motion, and the polishing material fixed mechanism is provided with charger.
Compared with prior art, the invention has the advantages that: the present invention in use, test material is arranged on to the test material fixed mechanism, to contain the polishing materials such as the polishing material of emery or block rubber is arranged on the polishing material fixed mechanism, apply certain pressure by charger and make polishing material fixed mechanism trend test material fixed mechanism, simulated automotive travels on road, be beneficial to the measure and calculation of the data such as surface friction coefficient, wearing depth and mass loss, the antiskid anti-wear performance of analytical test material; Can, by different experiment materials and different polishing materials are installed, draw the antiskid anti-wear performance of test material different condition (being dissimilar block rubber).
Further, described test material fixed mechanism comprises the test material holder, have groove on the test material holder, have threaded hole on groove, be provided with the bolt that spiro rod length is greater than threaded hole in threaded hole, test material is put into groove, then screws bolt, end and the test material of bolt are offseted, can complete the fixing of experiment material.
Further, described polishing material fixed mechanism comprises the polishing material holder, have storage tank on the polishing material holder, have threaded hole on storage tank, be provided with the bolt that spiro rod length is greater than threaded hole in threaded hole, block rubber is put into storage tank, then screws bolt, end and the polishing material of bolt are offseted, complete the fixing of polishing material.
Further, described charger is hydraulic jack or balancing weight, can to test material, exert pressure by polishing material.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, technical solution of the present invention is further illustrated:
Fig. 1 is the structural representation that polishing test unit embodiment is accelerated on road surface of the present invention.
Embodiment
As shown in Figure 1, the polishing test unit is accelerated on a kind of road surface in the present embodiment, comprises the test material fixed mechanism: be mainly used in fixing test material to be determined; The polishing material fixed mechanism: be mainly used in fixedly polishing material, described polishing material is block rubber or other polishing materials containing emery; Coupling arrangement: encircle 3 for hinge in the present embodiment, for connecting polishing material fixed mechanism and charger; Charger: lifting jack or balancing weight are mainly load applications, in the present embodiment, are hydraulic jack 4, and wherein said lifting jack comprises display device for loads inside; Draw-gear: traction power mainly being provided, making test material fixed mechanism back and forth movement, is motor 5 in the present embodiment; Bolt 6: its length is greater than threaded hole, is mainly fixedly polishing material and test material.
More specifically, the present embodiment also comprises operating platform 7, and operating platform 7 is provided with guide rail 8, and test material holder 1 is arranged on guide rail 8, and motor 5 drives test material holder 1 along guide rail 8 back and forth movements.The test material fixed mechanism comprises test material holder 1, on test material holder 1, has groove, and groove is of a size of 30cm * 30cm * 5cm, has threaded hole on groove, is provided with the bolt 6 that spiro rod length is greater than threaded hole in threaded hole.Described polishing material fixed mechanism comprises polishing material holder 2, on polishing material holder 2, has storage tank, and storage tank is of a size of 30cm * 30cm * 5cm, has threaded hole on storage tank, is provided with the bolt 6 that spiro rod length is greater than threaded hole in threaded hole.
The using method of the present embodiment is as follows:
1, will be of a size of 30cm * 30cm * 5cm oblique angle rubber for tire piece and put into storage tank, and bolt 6 will be screwed, the end of bolt 6 and oblique angle rubber for tire piece are offseted;
2, the test specimen of 30cm * 30cm * 5cm size is snapped in groove, and bolt 6 is screwed, the end of bolt 6 and test specimen are offseted, test material holder 1 is arranged on guide rail 8;
3, make the opening upwards of test material holder 1 groove, polishing material holder 2 must Open Side Down, and make the adjacent test specimen of oblique angle rubber for tire piece;
4, by the pressure of hydraulic jack 4 controlled loadings;
5, starter motor 5, make test specimen realize back and forth movement under the drive of motor 5;
6, take off test specimen and oblique angle rubber for tire piece during off-test, measure the data such as friction factor with the wearing depth that records test specimen, mass loss or rubbing surface, the calculating by data relatively, is measured the antiskid anti-wear performance of test specimen;
7, relevant apparatus is cleared up, continued next experiment.
To the choosing of polishing material the time, except choosing the oblique angle rubber for tire, also can choose highway tread pattern, cross-country tread pattern, radial and with the polishing material of emery, or be added with the polishing material of steel wire and fiber.
For a person skilled in the art, under the prerequisite that does not break away from structure of the present invention, can also make some distortion and improvement, these also should be considered as protection scope of the present invention, and these can not affect effect of the invention process and practical applicability.
Claims (4)
1. the polishing test unit is accelerated on a road surface, it is characterized in that: comprise test material fixed mechanism and polishing material fixed mechanism, described test material fixed mechanism polishing material fixed mechanism relatively moves back and forth, the test material fixed mechanism is provided with the draw-gear that drives its motion, and the polishing material fixed mechanism is provided with charger.
2. the polishing test unit is accelerated on road surface as claimed in claim 1, it is characterized in that: described test material fixed mechanism comprises the test material holder, have groove on the test material holder, have threaded hole on groove, be provided with the bolt that spiro rod length is greater than threaded hole in threaded hole.
3. the polishing test unit is accelerated on road surface as claimed in claim 1, it is characterized in that: described polishing material fixed mechanism comprises the polishing material holder, have storage tank on the polishing material holder, have threaded hole on storage tank, be provided with the bolt that spiro rod length is greater than threaded hole in threaded hole.
4. the polishing test unit is accelerated on road surface as claimed in claim 1, and it is characterized in that: described charger is hydraulic jack or balancing weight.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310367107.5A CN103424325B (en) | 2013-08-21 | 2013-08-21 | Polishing assay device is accelerated on road surface |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310367107.5A CN103424325B (en) | 2013-08-21 | 2013-08-21 | Polishing assay device is accelerated on road surface |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103424325A true CN103424325A (en) | 2013-12-04 |
| CN103424325B CN103424325B (en) | 2016-09-28 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201310367107.5A Expired - Fee Related CN103424325B (en) | 2013-08-21 | 2013-08-21 | Polishing assay device is accelerated on road surface |
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| CN (1) | CN103424325B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103983567A (en) * | 2014-06-09 | 2014-08-13 | 招商局重庆交通科研设计院有限公司 | Accelerated polishing machine for testing dynamic friction force of pavement material |
| CN103983568A (en) * | 2014-06-11 | 2014-08-13 | 招商局重庆交通科研设计院有限公司 | Accelerated polishing test method of bituminous mixture specimen |
| CN104006996A (en) * | 2014-06-06 | 2014-08-27 | 招商局重庆交通科研设计院有限公司 | Integrated test piece for accelerating polishing and abrasion of road surfaces and preparation method thereof |
| CN105300824A (en) * | 2015-11-18 | 2016-02-03 | 长安大学 | Fog seal layer wear resistance testing apparatus based on friction, and fog seal layer wear resistance testing method based on friction |
| CN109507104A (en) * | 2018-11-15 | 2019-03-22 | 广州肖宁道路工程技术研究事务所有限公司 | Abrasion test wheel, Bitumen Pavement Anti-Skid Performance testing equipment and method |
| CN110346283A (en) * | 2019-07-15 | 2019-10-18 | 南京林业大学 | A kind of cover type colored road surface useful life longevity integrated evaluating method |
| CN112129929A (en) * | 2020-09-30 | 2020-12-25 | 重庆百信实业有限公司 | Method for detecting comprehensive performance of track coating |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104006996A (en) * | 2014-06-06 | 2014-08-27 | 招商局重庆交通科研设计院有限公司 | Integrated test piece for accelerating polishing and abrasion of road surfaces and preparation method thereof |
| CN104006996B (en) * | 2014-06-06 | 2017-01-04 | 招商局重庆交通科研设计院有限公司 | Polishing abrasion integration test specimen and preparation method thereof is accelerated on a kind of road surface |
| CN103983567A (en) * | 2014-06-09 | 2014-08-13 | 招商局重庆交通科研设计院有限公司 | Accelerated polishing machine for testing dynamic friction force of pavement material |
| CN103983568A (en) * | 2014-06-11 | 2014-08-13 | 招商局重庆交通科研设计院有限公司 | Accelerated polishing test method of bituminous mixture specimen |
| CN105300824A (en) * | 2015-11-18 | 2016-02-03 | 长安大学 | Fog seal layer wear resistance testing apparatus based on friction, and fog seal layer wear resistance testing method based on friction |
| CN105300824B (en) * | 2015-11-18 | 2018-08-21 | 长安大学 | Mist sealing wearability test device and method based on friction |
| CN109507104A (en) * | 2018-11-15 | 2019-03-22 | 广州肖宁道路工程技术研究事务所有限公司 | Abrasion test wheel, Bitumen Pavement Anti-Skid Performance testing equipment and method |
| CN109507104B (en) * | 2018-11-15 | 2021-10-22 | 广州肖宁道路工程技术研究事务所有限公司 | Abrasion test wheel, and equipment and method for testing anti-skid performance of asphalt pavement |
| CN110346283A (en) * | 2019-07-15 | 2019-10-18 | 南京林业大学 | A kind of cover type colored road surface useful life longevity integrated evaluating method |
| CN112129929A (en) * | 2020-09-30 | 2020-12-25 | 重庆百信实业有限公司 | Method for detecting comprehensive performance of track coating |
| CN112129929B (en) * | 2020-09-30 | 2022-11-15 | 重庆百信实业有限公司 | Method for detecting comprehensive performance of track coating |
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| CN103424325B (en) | 2016-09-28 |
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