CN214150306U - Water droplet angle testing arrangement of bituminous paving - Google Patents
Water droplet angle testing arrangement of bituminous paving Download PDFInfo
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- CN214150306U CN214150306U CN202022723508.8U CN202022723508U CN214150306U CN 214150306 U CN214150306 U CN 214150306U CN 202022723508 U CN202022723508 U CN 202022723508U CN 214150306 U CN214150306 U CN 214150306U
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Abstract
The utility model discloses a water drop angle testing device of an asphalt pavement, which relates to the technical field of water drop angle measurement and comprises a base, a rotary workbench, a control system and an imaging device; a bracket is arranged on the base, a lamp source transverse plate is arranged on the bracket, a lamp source is fixed on the lamp source transverse plate, and the lamp source transverse plate can move up and down along the bracket; the injection container is characterized in that a liquid adding transverse plate is further mounted on the support and can move back and forth along the support, and a fixing device is arranged on the liquid adding transverse plate and used for fixing the injection container and storing a test medium in the injection container; the fixing device can move left and right along the liquid feeding transverse plate; the rotary worktable is arranged on the base and is used for placing a sample; the imaging device is arranged on a lifting support, and the imaging device and the light source are arranged oppositely; the control system is connected with the lamp source and the imaging device. The utility model is simple in operation, measure accurate, repeatability height, be applicable to the water droplet angle test of the large-scale sample of bituminous paving.
Description
Technical Field
The utility model relates to a technical field is measured to the water droplet angle, especially relates to a bituminous paving's water droplet angle testing arrangement.
Background
The super-hydrophobic material generally refers to a low surface energy material with a water contact angle of more than 150 degrees and a rolling angle of less than 10 degrees. As a novel functional material, the water repellent self-cleaning material has good water repellent, anti-icing and self-cleaning effects, and is widely applied to various fields such as coatings, liquid transmission, microfluid and the like. The anti-icing performance of the super-hydrophobic material is related to the wettability and the surface energy of water drops on the surface of the super-hydrophobic material. The anti-icing performance of the super-hydrophobic material is mainly used for reducing the formation of an ice layer and the bonding strength between ice and a road surface by promoting the liquid water drops to roll off, delaying the nucleation and crystallization of water and reducing the adhesion strength of ice. Based on the principle, the super-hydrophobic material is applied to the asphalt concrete pavement, so that the ice formation amount of the low-temperature pavement in winter can be obviously reduced, and the ice layer can be conveniently and timely removed. In order to evaluate the anti-icing effect of the super-hydrophobic asphalt pavement, the water contact angle and the rolling angle of the super-hydrophobic asphalt pavement need to be tested.
The contact angle and the rolling angle are important indexes for representing the wettability of the material, and some reports have been made on devices for testing the contact angle and the rolling angle, but the contact angle and the rolling angle are only suitable for testing small samples and are difficult to test a track plate formed by the asphalt mixture. For example, patent CN108680465A discloses a device for freely adjusting the angle of a flat plate by rotating a screw rod, so as to accurately measure the water drop angle on the surface of a nano material; patent CN207280903U is inaccurate and later stage image processing analysis difficulty, the big scheduling problem of measuring error to traditional pitch contact angle measurement, and utility model discloses a small in size is portable, the contact angle measuring apparatu of easily using widely. The patent CN206378390U accurately controls the amount of liquid drops through an automatic liquid adding device, thereby designing a contact angle testing device for asphalt mixture with higher reliability. It is obvious that the patents improve the test precision and accuracy, and generally only use materials for analysis, but cannot test a test piece formed by processing the materials.
Therefore, it is desirable to provide a water drop angle testing device for asphalt pavement to solve the above problems in the prior art.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a bituminous paving's water droplet angle testing arrangement to solve the above-mentioned problem that exists among the prior art, easy operation, measurement accuracy, repeatability are high, are applicable to the water droplet angle test of the large-scale sample of bituminous paving.
In order to achieve the above object, the utility model provides a following scheme: the utility model provides a water drop angle testing device of an asphalt pavement, which comprises a base, a rotary worktable, a control system and an imaging device; the lamp is characterized in that a support is arranged on the base, a lamp source transverse plate is arranged on the support, a lamp source is fixed on the lamp source transverse plate, and the lamp source transverse plate can move up and down along the support; the injection device comprises a support, and is characterized in that a liquid adding transverse plate is further mounted on the support, the liquid adding transverse plate can move back and forth along the support, a fixing device is arranged on the liquid adding transverse plate, the fixing device is used for fixing an injection container, and a test medium is stored in the injection container; the fixing device can move left and right along the liquid adding transverse plate; the rotary worktable is arranged on the base and is used for placing a sample; the imaging device is arranged on a lifting support, and the imaging device and the lamp source are arranged oppositely; the control system is connected with the light source and the imaging device.
Preferably, the base is of a cuboid hollow structure and comprises two cross beams and two longitudinal beams which are connected with each other, and grooves are formed in the inner side and the outer side of each longitudinal beam; the bottom of the support is fixed in the outer side groove of the longitudinal beam.
Preferably, the bracket comprises two L-shaped supporting plates, and the two L-shaped supporting plates are respectively positioned at the outer sides of the two longitudinal beams; the L-shaped supporting plate comprises a vertical plate and a horizontal plate which are connected with each other, the horizontal plate is located at the top of the vertical plate, and the bottom of the vertical plate is fixed in the outer side groove of the longitudinal beam.
Preferably, two vertical plates are correspondingly provided with a vertical slide rail, and two ends of the lamp source transverse plate are respectively slidably mounted in the vertical slide rails of the two vertical plates.
Preferably, two horizontal sliding rails are correspondingly arranged on each of the two horizontal plates, and two ends of the liquid feeding transverse plate are respectively slidably mounted in the horizontal sliding rails of the two horizontal plates; a transverse sliding rail is arranged on the liquid adding transverse plate, and the fixing device is slidably mounted on the transverse sliding rail;
and the horizontal slide rail and the transverse slide rail are provided with scale marks.
Preferably, the injection container fixed on the fixing device is a pipette, and the test medium is deionized water, purified water or tap water.
Preferably, a fixed bottom plate is further installed between the grooves on the inner sides of the two longitudinal beams, and the rotary workbench is fixed on the fixed bottom plate through an upright post.
Preferably, the rotary worktable comprises an object stage and a supporting plate, and the supporting plate is fixed on the fixed bottom plate through the upright post; the object stage is used for placing a sample, and one end of the object stage is rotatably connected with one end of the supporting plate through a hinge; a groove is formed below the other end of the objective table, a pushing shaft is correspondingly arranged on the supporting plate, the pushing shaft is arranged on the supporting plate in a sliding mode, a roller is arranged above the pushing shaft, and the roller is located in the groove; a hand wheel is further arranged at one end of the supporting plate, which is far away from the hinge, and the hand wheel is connected with the pushing shaft through a screw rod; and a baffle is arranged above one end of the objective table close to the hinge.
Preferably, circular level gauges are arranged on the fixed bottom plate and the object stage, and bottom spirals are connected below four end corners of the base.
Preferably, the imaging device adopts a high-definition camera.
The utility model discloses for prior art gain following technological effect:
1. the utility model discloses to bituminous mixture's surface characteristics, through setting up slidable liquid feeding diaphragm, carry out accurate control to the liquid feeding point to test the water droplet angle of each position on bituminous mixture sample surface, reduce the error that leads to because of the dropping liquid position selection is improper, obtain reliable result.
2. The utility model discloses to the condition of bulky sample such as bituminous mixture rut board easy landing under certain angle, set up corresponding baffle in work platform's one end, when using not unidimensional sample to test, still can guarantee the relatively stable of sample position, improve measurement accuracy.
3. The utility model ensures that the light source, the sample and the imaging high-definition camera are positioned on the same horizontal line by arranging the lifting mechanism to adjust the positions of the light source and the high-definition camera, and ensures the imaging effect when measuring the water contact angle and the rolling angle; the rolling angle of the rotary worktable can be tested by matching with the rotary worktable with controllable angle.
4. The inclination adjustment of the platform can be realized by rotating the hand wheel, the rotation motion can be converted into the linear motion by matching the screw rod with the roller wheel, and the motion accuracy is high; the screw rotates for a circle, and the pulley advances for a distance of one pitch, so that the angle of the platform can be slightly changed; the smaller the pitch, the larger the ratio of the hand wheel to the screw rod is, the higher the precision is, the abrasion is reduced due to the existence of the roller, and the accuracy of the motion track is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of a stent;
FIG. 3 is a schematic structural view of a rotary table;
wherein, 1, a base; 2. a bottom helix; 3. a support; 4. fixing the bottom plate; 5. a circular level; 6. rotating the working table; 61. an object stage; 62. pushing the shaft; 63. a roller; 64. a hinge; 65. a baffle plate; 66. a support plate; 67. a hand wheel; 7. a light source; 8. a lamp source transverse plate; 9. a liquid feeding transverse plate; 10. a fixing device; 11. an injection container; 12. a control box; 13. a high-definition camera; 14. and an information output interface.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description.
Example one
As shown in fig. 1 to 3, the present embodiment provides a water drop angle testing device for an asphalt pavement, which includes a base 1, a rotary table 6, a control system and an imaging device; be provided with support 3 on the base 1, be provided with lamp source diaphragm 8 on the support 3, be fixed with luminance adjustable lamp source 7 on the lamp source diaphragm 8, for the light source that sample test provided sufficient intensity, improve the imaging quality, lamp source diaphragm 8 can follow support 3 and reciprocate to adjust the position of lamp source 7. The support 3 is also provided with a liquid adding transverse plate 9, the liquid adding transverse plate 9 can move back and forth along the support 3, the liquid adding transverse plate 9 is provided with a fixing device 10, the fixing device 10 is used for fixing an injection container 11, a test medium is stored in the injection container 11, and the fixing device 10 can move left and right along the liquid adding transverse plate 9, so that the position of a liquid adding point is adjusted; the rotary worktable 6 is arranged on the base 1, and a sample is placed on the rotary worktable 6; the imaging device is arranged on a lifting support, is arranged opposite to the light source 7 and is respectively positioned at two ends of the base 1; the control system is connected to the light source 7 and the imaging device.
In this embodiment, the base 1 is a rectangular hollow structure for fixing the whole structure and supporting; the two longitudinal beams are connected with each other, and grooves with certain depth are arranged on the inner side and the outer side of each longitudinal beam; the bottom of the bracket 3 is fixed in the outer groove of the longitudinal beam and is connected with the base 1.
In the present embodiment, the bracket 3 includes two L-shaped support plates, which are respectively located at the outer sides of the two longitudinal beams; the L-shaped supporting plate comprises a vertical plate and a horizontal plate which are connected with each other, the horizontal plate is vertically connected to the top of the vertical plate, and the bottom of the vertical plate is fixed in an outer side groove of the longitudinal beam.
In this embodiment, all correspond on two vertical boards and be provided with a vertical slide rail, the both ends of lamp source diaphragm 8 slidable mounting respectively in the vertical slide rail of two vertical boards.
In this embodiment, two horizontal plates are correspondingly provided with a horizontal slide rail, and two ends of the liquid adding transverse plate 9 are respectively slidably mounted in the horizontal slide rails of the two horizontal plates to adjust the front and rear positions of a liquid adding point; a transverse slide rail is arranged on the liquid adding transverse plate, and the fixing device is slidably arranged on the transverse slide rail and used for adjusting the left and right positions of a liquid adding point;
furthermore, scale marks are arranged on the horizontal sliding rail and the transverse sliding rail, so that the liquid adding point is controlled more accurately, and the subsequent analysis of the result is facilitated.
In the present embodiment, in order to accurately test the test water drops, the injection container 11 fixed on the fixing device 10 is a pipette gun for storing various test media such as deionized water, purified water, tap water, etc.; wherein, fixing device 10's concrete structure can be selected according to the work needs, for example can include the fixing base, and fixing base slidable mounting can also set up fixed knot structures such as buckle, solid fixed ring on the fixing base and fix injection container 11 on the horizontal slide rail.
In the embodiment, a fixed bottom plate 4 is further installed between the grooves on the inner sides of the two longitudinal beams, circular level gauges 5 are arranged on the fixed bottom plate 4 and an object stage 61 of a rotary workbench 6, bottom screws 2 are connected below four end corners of a base 1, and the bottom screws 2 can play a role in supporting a machine and can be used for adjusting the horizontal degree of the fixed bottom plate 4 by matching with the circular level gauges 5 to reduce experimental errors; further, swivel work head 6 is fixed in on PMKD 4 through the stand, and the existence of stand not only can adjust the platform height, can also carry out the calibration to objective table 61 levelness through end spiral 2.
In the present embodiment, the rotary table 6 includes a stage 61 and a support plate 66, and the support plate 66 is fixed to the fixed base plate 4 by a column; the object stage 61 is used for placing a sample, and one end of the object stage 61 is rotatably connected with one end of the supporting plate 66 through a hinge 64; a groove is formed below the other end of the objective table 61, a pushing shaft 62 is correspondingly arranged on the supporting plate 66, the pushing shaft 62 is arranged on the supporting plate 66 in a sliding mode, a roller 63 is arranged above the pushing shaft 62, and the roller 63 is located in the groove below the objective table 61; the end of the support plate 66 far away from the hinge 64 is also provided with a hand wheel 67, and the hand wheel 67 is connected with the pushing shaft 62 through a screw rod.
In this embodiment, one end of the object stage 61 is connected to the supporting plate 66 through the hinge 64, and this structure enables the other end of the object stage 61 to rotate under the action of external force, so as to control the inclination angle; when the test is carried out, the hand wheel 67 is rotated to push the roller 63 to move along the track of the groove at the bottom of the objective table 61 through the action of the hand wheel and the pushing shaft 62, so that the inclination angle of the objective table 61 is driven to rise; considering that the volume and the weight of the asphalt mixture rut plate are both high, in order to prevent the sample from sliding off the objective table 61, a baffle plate 65 is arranged at the edge of one side of the objective table 61 close to the hinge 64; the baffle 65 can prevent the sample from sliding off, and can fix the relative position of the sample, thereby improving the imaging effect.
In this embodiment, the control system is a conventional control box 12, the control box 12 is disposed on the side of the base 1 away from the bracket 3, and controls the brightness of the lamp light, the focal length and the magnification of the imaging device, so as to provide light with sufficient and stable intensity for the test; wherein the imaging device adopts a high-definition camera 13.
The high-definition camera 13 is mounted at the upper end of the control box 12 through a lifting support, and is used for imaging the contact angle and the rolling angle test of the asphalt mixture sample; the focal length and the magnification of the high-definition camera 13 are adjustable, and pictures with different imaging effects can be obtained according to needs. The position of the high-definition camera 13 can be adjusted through a knob on a lifting support at the lower part, so that the high-definition camera 13, water drops on the surface of a sample and the lamp source 7 are ensured to be on a horizontal line, and the imaging effect is improved; the high-definition camera 13 can also be externally connected to computer equipment, and data analysis and storage are carried out through related image analysis software.
In summary, the utility model has the advantages that the slidable liquid adding transverse plate 9 is arranged to accurately control the liquid adding point, so that the water drop angle of each part on the surface of the asphalt mixture sample is tested, the error caused by improper selection of the liquid dropping position is reduced, and reliable results are obtained; the baffle 65 with a certain height is arranged on one side of the objective table 61, so that the situation that large-volume and large-mass samples such as an asphalt mixture rut plate are easy to slide off when being tested is prevented, the position of the sample can be relatively fixed due to the baffle 65, the imaging effect is improved, and the measurement precision is further improved; the existence of the lifting mechanisms at the lamp source 7 and the high-definition camera 13 ensures that the lamp source 7 and the high-definition camera 13 are positioned on the same horizontal line, and the imaging effect when measuring the water contact angle and the rolling angle is ensured; the inclination adjustment of the objective table can be realized by rotating the hand wheel 67, the rotation motion can be converted into the linear motion by matching the screw rod with the roller 63, and the motion accuracy is high; the screw rotates for a circle, the pulley advances upwards for a distance of a pitch, so that the platform angle can be slightly changed, the smaller the pitch is, the higher the ratio of the hand wheel to the screw is, the higher the precision is; the existence of the roller reduces the abrasion and ensures the accuracy of the motion track.
The utility model is suitable for a road engineering trade pitch road surface water contact angle and roll angle test.
The utility model discloses a concrete example is applied to explain the principle and the implementation mode of the utility model, and the explanation of the above example is only used to help understand the method and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the concrete implementation and the application scope. In summary, the content of the present specification should not be construed as a limitation of the present invention.
Claims (10)
1. The utility model provides a bituminous paving's water droplet angle testing arrangement which characterized in that: comprises a base, a rotary worktable, a control system and an imaging device; the lamp is characterized in that a support is arranged on the base, a lamp source transverse plate is arranged on the support, a lamp source is fixed on the lamp source transverse plate, and the lamp source transverse plate can move up and down along the support; the injection device comprises a support, and is characterized in that a liquid adding transverse plate is further mounted on the support, the liquid adding transverse plate can move back and forth along the support, a fixing device is arranged on the liquid adding transverse plate, the fixing device is used for fixing an injection container, and a test medium is stored in the injection container; the fixing device can move left and right along the liquid adding transverse plate; the rotary worktable is arranged on the base and is used for placing a sample; the imaging device is arranged on a lifting support, and the imaging device and the lamp source are arranged oppositely; the control system is connected with the light source and the imaging device.
2. The apparatus for testing the water drop angle of an asphalt pavement according to claim 1, wherein: the base is of a cuboid hollow structure and comprises two cross beams and two longitudinal beams which are connected with each other, and grooves are formed in the inner side and the outer side of each longitudinal beam; the bottom of the support is fixed in the outer side groove of the longitudinal beam.
3. The apparatus for testing the water drop angle of an asphalt pavement according to claim 2, wherein: the support comprises two L-shaped supporting plates which are respectively positioned at the outer sides of the two longitudinal beams; the L-shaped supporting plate comprises a vertical plate and a horizontal plate which are connected with each other, the horizontal plate is located at the top of the vertical plate, and the bottom of the vertical plate is fixed in the outer side groove of the longitudinal beam.
4. The apparatus for testing the water drop angle of an asphalt pavement according to claim 3, wherein: two vertical boards are correspondingly provided with a vertical slide rail, and two ends of the lamp source transverse plate are respectively slidably mounted in the vertical slide rails of the two vertical boards.
5. The apparatus for testing the water drop angle of an asphalt pavement according to claim 3, wherein: two horizontal sliding rails are correspondingly arranged on the two horizontal plates, and two ends of the liquid adding transverse plate are respectively and slidably arranged in the horizontal sliding rails of the two horizontal plates; a transverse sliding rail is arranged on the liquid adding transverse plate, and the fixing device is slidably mounted on the transverse sliding rail;
and the horizontal slide rail and the transverse slide rail are provided with scale marks.
6. The apparatus for testing the water drop angle of an asphalt pavement according to claim 5, wherein: the injection container fixed on the fixing device is a liquid-transferring gun, and the test medium is deionized water, purified water or tap water.
7. The apparatus for testing the water drop angle of an asphalt pavement according to claim 2, wherein: and a fixed bottom plate is further arranged between the two grooves on the inner sides of the longitudinal beams, and the rotary workbench is fixed on the fixed bottom plate through a stand column.
8. The apparatus for testing the water drop angle of an asphalt pavement according to claim 7, wherein: the rotary workbench comprises an object stage and a supporting plate, and the supporting plate is fixed on the fixed bottom plate through the upright post; the object stage is used for placing a sample, and one end of the object stage is rotatably connected with one end of the supporting plate through a hinge; a groove is formed below the other end of the objective table, a pushing shaft is correspondingly arranged on the supporting plate, the pushing shaft is arranged on the supporting plate in a sliding mode, a roller is arranged above the pushing shaft, and the roller is located in the groove; a hand wheel is further arranged at one end of the supporting plate, which is far away from the hinge, and the hand wheel is connected with the pushing shaft through a screw rod; and a baffle is arranged above one end of the objective table close to the hinge.
9. The apparatus for testing the water drop angle of an asphalt pavement according to claim 8, wherein: round level gauges are arranged on the fixed bottom plate and the objective table, and bottom spirals are connected below four end angles of the base.
10. The apparatus for testing the water drop angle of an asphalt pavement according to claim 1, wherein: the imaging device adopts a high-definition camera.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022723508.8U CN214150306U (en) | 2020-11-23 | 2020-11-23 | Water droplet angle testing arrangement of bituminous paving |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022723508.8U CN214150306U (en) | 2020-11-23 | 2020-11-23 | Water droplet angle testing arrangement of bituminous paving |
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| CN214150306U true CN214150306U (en) | 2021-09-07 |
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| CN202022723508.8U Active CN214150306U (en) | 2020-11-23 | 2020-11-23 | Water droplet angle testing arrangement of bituminous paving |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486640A (en) * | 2022-04-08 | 2022-05-13 | 西南交通大学 | Image processing-based quantitative determination device for self-cleaning effect of super-hydrophobic surface |
| CN116008129A (en) * | 2023-03-28 | 2023-04-25 | 叙镇铁路有限责任公司 | Negative pressure detection device in water distribution is divided to cement-based material surface hydrophobe |
-
2020
- 2020-11-23 CN CN202022723508.8U patent/CN214150306U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114486640A (en) * | 2022-04-08 | 2022-05-13 | 西南交通大学 | Image processing-based quantitative determination device for self-cleaning effect of super-hydrophobic surface |
| CN114486640B (en) * | 2022-04-08 | 2022-06-17 | 西南交通大学 | Image processing-based quantitative determination device for self-cleaning effect of super-hydrophobic surface |
| CN116008129A (en) * | 2023-03-28 | 2023-04-25 | 叙镇铁路有限责任公司 | Negative pressure detection device in water distribution is divided to cement-based material surface hydrophobe |
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