CN217424995U - Simulation device for asphalt pavement under multifunctional coupling effect - Google Patents
Simulation device for asphalt pavement under multifunctional coupling effect Download PDFInfo
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- CN217424995U CN217424995U CN202221011168.9U CN202221011168U CN217424995U CN 217424995 U CN217424995 U CN 217424995U CN 202221011168 U CN202221011168 U CN 202221011168U CN 217424995 U CN217424995 U CN 217424995U
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Abstract
The utility model discloses a simulation device of asphalt pavement under the multifunctional coupling effect, which comprises a base and a closed box arranged on the base; an asphalt mixture test piece is arranged in the closed box, and the asphalt mixture test piece is provided with a surface to be tested; and a functional component for forming a simulation environment and a pressure test component for testing the surface to be tested are also arranged in the closed box. The utility model discloses can simulate real influence environment and static and dynamic load pressure, realize indoor multi-functional coupling simulation test to bituminous paving.
Description
Technical Field
The utility model relates to a bituminous paving simulation field, concretely relates to bituminous paving is analogue means under multi-functional coupling.
Background
In actual environment, a plurality of parameters can affect the comprehensive performance of the asphalt pavement, and mainly comprise traffic conditions, pavement conditions and meteorological conditions. Specifically, the parameters of traffic conditions mainly include traffic volume and axle load type; the road surface condition relates to factors such as the temperature, the structure type, the material, the self use condition and the like of the road surface; the meteorological conditions include atmospheric temperature, wind speed, wind direction, solar radiation, air humidity, precipitation (snow) rate, precipitation (snow) type, and the like.
In order to conveniently research the comprehensive influence of a plurality of factors on the asphalt pavement, the actual influence on the asphalt pavement is often simulated in a test mode by arranging a simulation device, but the current simulation device cannot fully consider the factors, especially does not fully consider important influence factors, so that the simulation effect is not ideal enough, and a good simulation effect cannot be obtained.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at overcoming the defect among the prior art, providing bituminous paving simulation device under multi-functional coupling, can simulate real influence environment and static and dynamic load pressure, realize indoor multi-functional coupling simulation test to bituminous paving.
The utility model discloses a simulation device of asphalt pavement under the function of multifunctional coupling, which comprises a base and a closed box arranged on the base;
an asphalt mixture test piece is arranged in the closed box, and the asphalt mixture test piece is provided with a surface to be tested;
and a functional component for forming a simulation environment and a pressure test component for testing the surface to be tested are also arranged in the closed box.
Further, the pressure testing assembly comprises a travelling mechanism, a pressure adjusting mechanism and a testing piece;
the traveling mechanism comprises a driving part I and a driven part I; the pressure adjusting mechanism comprises a driving part II and a driven part II;
the driven part II is arranged on the driving part I, the driving part II is used for driving the driven part II to transmit force to the driving part I, the driving part I is in transmission connection with the driven part I, and the driven part I is used for driving the testing part to move along a preset direction.
Further, the driving part I is arranged in the middle of the driven part I.
Further, the test piece is 2 at least, 2 the test piece corresponds the both sides that are located I middle part of follower respectively.
Further, the functional components include a light component simulating a light source and a water component simulating a water source.
Further, the functional assembly further comprises a refrigeration mechanism; the refrigeration mechanism is used for adjusting the temperature of the simulated environment.
Further, a water outlet is formed in the bottom of the closed box.
The beneficial effects of the utility model are that: the utility model discloses a bituminous paving analogue means under multi-functional coupling has designed a load, illumination, temperature, moisture condition to bituminous mixture coupling effect test device to bituminous paving applied actual conditions, has set up load size, illumination intensity, temperature variation, move the water and have erodeed in the limit within range, provides intelligent, environmental protection, high-efficient, scientific experimental environment.
Drawings
The invention will be further described with reference to the following figures and examples:
fig. 1 is a schematic structural view of the present invention;
the device comprises a base 1, a displacement sensor I, a test wheel 3, a thermometer probe 4, an ultraviolet lamp 5, a spraying device 6, an air pressure device 7, a metal rod 8, a displacement sensor II, a motor driving device 10, a hygrometer probe 11, an asphalt mixture test piece 12, a water outlet 13, a refrigerating machine 14, a connecting shaft 15 and a closed box 16.
Detailed Description
The invention is further described below with reference to the accompanying drawings, as shown in the drawings:
the utility model discloses a simulation device of asphalt pavement under the function of multifunctional coupling, which comprises a base 1 and a closed box 16 arranged on the base 1; wherein, the base 1 adopts the existing bearing platform;
an asphalt mixture test piece 12 is arranged in the closed box 16, and the asphalt mixture test piece 12 is provided with a surface to be tested;
and a functional component for forming a simulation environment and a pressure testing component for testing a surface to be tested are also arranged in the closed box 16.
In this embodiment, the pressure testing assembly includes a traveling mechanism, a pressure adjusting mechanism and a testing piece;
the traveling mechanism comprises a driving part I and a driven part I; the pressure adjusting mechanism comprises a driving part II and a driven part II; the driving part I adopts a motor driving device 10, the driven part I adopts a connecting shaft 15, the driving part II adopts an air pressure device 7, and the driven part II adopts a metal rod 8; the motor driving device 10 and the air pressure device 7 both adopt the prior art, and are not described again; it should be noted that, in order to perform the adjustment of the air pressure and the maintenance of the air pressure device 7 and to make the metal rod 8 have a better distance to ascend and descend, the air pressure device 7 and the metal rod 8 may extend beyond the inner space of the closed box 16.
The driven part II is arranged on the driving part I, the driving part II is used for driving the driven part II to transmit force to the driving part I, the driving part I is in transmission connection with the driven part I, and the driven part I is used for driving the testing part to move along a preset direction. The test piece adopts a test wheel 3, and the test wheel 3 is arranged on the surface to be tested of the asphalt mixture test piece 12; the preset direction is a circular motion direction taking the central point of the connecting shaft 15 as a dot; it should be noted that, when the preset direction is a circular motion, the motor driving device 10 may be stationary relative to the closed box 16, and the connecting shaft 15 makes a circular motion.
Through the structure, on one hand, the metal rod 8 descends through pressurization by the air pressure device 7, and the pressure is transmitted to the motor driving device 10, so that the pressure on the connecting shaft 15 is enhanced, and then the pressurization test on the test piece is realized, and on the other hand, the metal rod 8 ascends through decompression by the air pressure device 7, the pressure on the connecting shaft 15 is reduced, and then the decompression test on the test piece is realized; the influence of static load on the asphalt mixture test piece 12 is simulated through the operations of pressurization and decompression; on the other hand, the influence of the dynamic load on the asphalt mixture test piece 12 is simulated by driving the test piece to move along the preset direction. In order to measure the change of the rutting depth generated by the loading effect of the surface to be measured of the asphalt mixture test piece 12, a displacement sensor II 9 is arranged in the closed box 16, and the displacement sensor II 9 faces the surface to be measured of the asphalt mixture test piece 12. Meanwhile, in order to collect the deformation quantity generated by the action of the load pressure in the middle of the asphalt mixture test piece 12, a displacement sensor I2 is respectively arranged at the upper end and the lower end of one side of the surface to be measured of the asphalt mixture test piece 12.
In this embodiment, the driving member i is disposed in the middle of the driven member i. Through the structure, the pressure transmitted to the driving part I can be distributed to the driven part I relatively and symmetrically, and the condition that the transmitted pressure cannot cause the side turning of the driving part I and the driven part I is also ensured.
In this embodiment, the test piece is 2 at least, 2 the test piece corresponds the both sides that are located I middle part of follower respectively. Through the structure, the test piece can keep higher stability when static and dynamic load pressure test is carried out.
In this embodiment, the functional components include a light component simulating a light source and a water component simulating a water source. The optical assembly adopts a plurality of ultraviolet lamps 5, and the ultraviolet lamps 5 are arranged to simulate the aging influence of ultraviolet irradiation on the asphalt mixture test piece 12 under the actual condition; the ultraviolet lamps 5 face the surface to be detected of the asphalt mixture test piece 12; the water component adopts a plurality of spraying devices 6, and the spraying devices 6 are arranged to simulate the influence of rain action on the asphalt mixture test piece 12 in actual conditions; the spray heads of the spray devices 6 face the surface to be measured of the asphalt mixture test piece 12; the spraying device 6 is an existing spraying device, and is not described in detail herein. In order to measure a change in humidity in the sealed box 16, a hygrometer probe 11 is provided in the sealed box 16.
In this embodiment, the functional assembly further includes a refrigeration mechanism; the refrigeration mechanism is used for adjusting the temperature of the simulated environment. The refrigeration mechanism adopts an existing refrigerator 14, and the refrigerator 14 is arranged to simulate the influence of temperature change on the asphalt mixture test piece 12; in order to measure a temperature change in the sealed box 16, a thermometer probe 4 is provided in the sealed box 16.
In this embodiment, the bottom of the closed box 16 is provided with a water outlet 13. Through setting up delivery port 13, the water yield that can in time discharge spray set 6 produced has avoided the influence of accumulated water to various devices or equipment in the seal box 16 for simulation test can go on smoothly, has guaranteed the validity of simulated environment.
It should be noted that data acquisition devices such as a load sensor, a humidity sensor, a temperature sensor and a displacement sensor can be installed in the simulation device according to the requirements of actual working conditions, and acquisition of stress and deformation data of the test piece is realized by setting corresponding parameters.
The utility model discloses not only can simulate and data acquisition to ordinary hot mix bituminous mixture, still can monitor the road surface that the part has the functionality, for example measure the anti-freezing bituminous pavement salt release rate of salt and anti-freezing effect through external salinity concentration detection meter, bury temperature sensor and measure the heat-retaining bituminous pavement temperature variation condition of phase transition and utilize the performance effect etc. of maintenance type road surfaces such as little table department of wearing and tearing value evaluation to the side of the test piece.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (7)
1. The utility model provides a bituminous paving analogue means under multi-functional coupling effect which characterized in that: comprises a base and a closed box arranged on the base;
an asphalt mixture test piece is arranged in the closed box, and the asphalt mixture test piece is provided with a surface to be tested;
and a functional component for forming a simulation environment and a pressure test component for testing the surface to be tested are also arranged in the closed box.
2. The device for simulating the asphalt pavement under the multifunctional coupling effect according to claim 1, wherein: the pressure testing assembly comprises a walking mechanism, a pressure adjusting mechanism and a testing piece;
the traveling mechanism comprises a driving part I and a driven part I; the pressure adjusting mechanism comprises a driving part II and a driven part II;
the driven part II is arranged on the driving part I, the driving part II is used for driving the driven part II to transmit force to the driving part I, the driving part I is in transmission connection with the driven part I, and the driven part I is used for driving the testing part to move along a preset direction.
3. The device for simulating the asphalt pavement under the multifunctional coupling effect according to claim 2, wherein: the driving part I is arranged in the middle of the driven part I.
4. The device for simulating the asphalt pavement under the multifunctional coupling effect according to claim 3, wherein: the test piece is 2 at least, 2 the test piece corresponds the both sides that are located I middle part of follower respectively.
5. The device for simulating the asphalt pavement under the multifunctional coupling effect according to claim 1, wherein: the functional components include a light component simulating a light source and a water component simulating a water source.
6. The device for simulating the asphalt pavement under the multifunctional coupling effect according to claim 1, wherein: the functional assembly further comprises a refrigeration mechanism; the refrigeration mechanism is used for adjusting the temperature of the simulated environment.
7. The device for simulating the asphalt pavement under the multifunctional coupling effect according to claim 5, wherein: and a water outlet is formed at the bottom of the closed box.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221011168.9U CN217424995U (en) | 2022-04-28 | 2022-04-28 | Simulation device for asphalt pavement under multifunctional coupling effect |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202221011168.9U CN217424995U (en) | 2022-04-28 | 2022-04-28 | Simulation device for asphalt pavement under multifunctional coupling effect |
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| CN217424995U true CN217424995U (en) | 2022-09-13 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929878A (en) * | 2023-07-21 | 2023-10-24 | 燕山大学 | Multi-working-condition-simulating asphalt pavement coupling damage device |
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- 2022-04-28 CN CN202221011168.9U patent/CN217424995U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116929878A (en) * | 2023-07-21 | 2023-10-24 | 燕山大学 | Multi-working-condition-simulating asphalt pavement coupling damage device |
| CN116929878B (en) * | 2023-07-21 | 2024-04-02 | 燕山大学 | Multi-working-condition-simulating asphalt pavement coupling damage device |
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