CN209878768U - A test device for road surface hydrophobic property - Google Patents
A test device for road surface hydrophobic property Download PDFInfo
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- CN209878768U CN209878768U CN201920671252.5U CN201920671252U CN209878768U CN 209878768 U CN209878768 U CN 209878768U CN 201920671252 U CN201920671252 U CN 201920671252U CN 209878768 U CN209878768 U CN 209878768U
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Abstract
A test device for pavement hydrophobic performance comprises a bottom plate, a test piece frame, a water container, a timer, a test piece, a controller and a laser probe; the base plate is horizontally arranged, and one end of the test piece rack is hinged to one end part of the base plate; the water container is arranged at one end of the test piece frame far away from the hinge point, a test piece is arranged on the test piece frame between the water container and the hinge point, and an outlet of the water container is positioned above the end part of the test piece; the controller and the timer are arranged on the test piece rack, the laser detection head is arranged on the test piece rack at one end of the hinge joint, and the laser detection head is used for detecting water flowing through the test piece; the laser probe and the timer are both connected with the controller through wires. The utility model provides a test device can be qualitatively and quantitatively appraise the hydrophobic performance of road surface to and accord with road in-service use state, can simulate actual road and receive the rainwash, can conveniently test out the hydrophobic performance that water droplet landing time is used for appraising the road surface effectively moreover.
Description
Technical Field
The utility model belongs to the technical field of road surface functional test, in particular to a test device for road surface hydrophobicity performance.
Background
At present, methods and indexes for evaluating the hydrophobic property of the pavement are limited, and the drop ball method, the interlaminar shear force method, the direct drawing test and the like can not evaluate the ice inhibition property of the pavement from qualitative and quantitative angles; the contact angle detector can only test the contact included angle between a water drop and the road surface, and the water on the road surface is generally in a flowing state, so the contact angle detector cannot objectively and vividly evaluate the hydrophobic performance of the road surface. Meanwhile, the contact angle detector cannot represent the hydrophobic performance of the actual road under different gradient conditions. Therefore, the prior art has great difference with the actual situation, can not accurately reflect the actual using state of the road, and evaluates the hydrophobic performance of the road surface from the qualitative and quantitative angles.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a test device for road surface hydrophobicity can to solve above-mentioned problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a test device for pavement hydrophobic performance comprises a bottom plate, a test piece frame, a water container, a timer, a test piece, a controller and a laser probe; the base plate is horizontally arranged, and one end of the test piece rack is hinged to one end part of the base plate; the water container is arranged at one end of the test piece frame far away from the hinge point, a test piece is arranged on the test piece frame between the water container and the hinge point, and an outlet of the water container is positioned above the end part of the test piece; the controller and the timer are arranged on the test piece rack, the laser detection head is arranged on the test piece rack at one end of the hinge joint, and the laser detection head is used for detecting water flowing through the test piece; the laser probe and the timer are both connected with the controller through wires.
Furthermore, an angle scale and a chute are fixedly arranged on one end of the bottom plate far away from the hinge point in sequence; the tip that lies in the angle scale on the test piece frame is provided with first pole that hangs, and the first fixedly connected with spring that hangs is gone up to the pole, spring fixedly connected with fixation clamp, and test piece frame and spout can be cliied to the fixation clamp.
Furthermore, a second suspension rod is arranged at the position, located on the water container, of the test piece frame, and the water container and the timer are fixedly arranged on the second suspension rod.
Furthermore, a water outlet pipe is arranged at the bottom of the water container, an outlet of the water outlet pipe is positioned above the end part of the test piece, an electronic control valve is arranged at the outlet of the water outlet pipe, a switch is arranged on the side surface of the electronic control valve, and the switch is simultaneously connected with a timer and the electronic control valve.
Furthermore, the test piece is provided with the baffle near pin joint one side, and the laser detecting head sets up on the baffle.
Furthermore, the test piece rack is hinged with the bottom plate through bolts.
Furthermore, the upper surface of bottom plate is provided with the spirit level, and the bottom of bottom plate is provided with a plurality of supports.
Compared with the prior art, the utility model discloses there is following technological effect:
the utility model is used for test water droplet landing time's road surface hydrophobic property evaluation's test device, at first adjustment base makes test device keep the level, then opens the fixation clamp, arranges the test piece in the test piece frame, rotates the bolt, raises the test piece frame, and the observation angle scale makes the test piece slope to the target angle, closes the fixation clamp, is fixed in it on the spout. Then, turning on a switch, and starting the timer to work while dripping water above the test piece; when the water drops slide to the bottom end of the test piece, the laser detection head transmits acquired information to the controller through the conducting wire, the controller makes an instruction to enable the timer to pause, and the reading of the timer is the water drop sliding time of the water drops on the test piece. When the hydrophobic property of the pavement is stronger, the water drop sliding time is shorter; and when the hydrophobic property of the road surface is weaker, the water drop sliding time is longer. The utility model provides a test device can be qualitatively and quantitatively appraise the hydrophobic performance of road surface to and accord with road in-service use state, can simulate actual road and receive the rainwash, can conveniently test out the hydrophobic performance that water droplet landing time is used for appraising the road surface effectively moreover.
Furthermore, the bolts are arranged to adjust the inclination angle of the test piece, so that arrangement and operation are facilitated.
Furthermore, the angle graduated scale, the sliding groove, the spring and the fixing clamp are arranged to monitor and control the inclination angle of the test piece, so that the test piece can reach a target angle, and different slopes of an actual road can be accurately simulated.
Further, set up base, bottom plate and surveyor's level, level and stable state are arranged in to three's combined action messenger test device, and the inclination of guaranteeing that the scale is surveyed is the target angle, and is accurate credible.
Furthermore, a test piece rack and a baffle are arranged, so that the test piece is in a stable state, and the accuracy of a test result is ensured.
Drawings
FIG. 1 is an overall structure diagram of a testing device for evaluating the hydrophobic property of a pavement according to the present invention;
FIG. 2 is a detail view of part A of the testing apparatus for evaluating the hydrophobic property of the pavement according to the present invention;
FIG. 3 is a detail view of part B of the testing apparatus for evaluating the road surface hydrophobic property of the present invention;
FIG. 4 is a detailed structural view of the part C of the testing device for evaluating the hydrophobic property of the pavement according to the present invention;
in the figure, 1 is a specimen holder; 2 is a first suspension rod; 3 is a spring; 4 is a fixing clip; 5 is an angle scale; 6 is a chute; 7 is a second suspension rod; 8 is a water container; 9 is a switch; 10 is an electronic control valve; 11 is a test piece; 12 is a baffle plate; 13 is a laser probe; 14 is a bolt; 15 is a bottom plate; 16 is a support; 17 is a level gauge; 18 is a lead; 19 is a controller; 20 is a timer.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings:
referring to fig. 1 to 4, a testing apparatus for road surface hydrophobic property includes a base plate 15, a test piece rack 1, a water container 8, a timer 20, a test piece 11, a controller 19 and a laser probe 13; the bottom plate 15 is horizontally arranged, and one end of the test piece rack 1 is hinged to one end part of the bottom plate 15; the water container 8 is arranged at one end of the test piece frame 1 far away from the hinge point, a test piece 11 is arranged on the test piece frame 1 between the water container 8 and the hinge point, and an outlet of the water container 8 is positioned above the end part of the test piece 11; the controller 19 and the timer 20 are both arranged on the test piece rack, the laser probe 13 is arranged on the test piece rack 1 at one end of the hinge point, and the laser probe 13 is used for detecting water flowing through the test piece 11; the laser probe head 13 and the timer 20 are connected to the controller through wires. The test piece rack 1 is used for placing test pieces for testing, the bottom of the test piece rack 1 is provided with a baffle 12, the test piece rack 1 is inclined to enable the test piece to be inclined so as to meet the test requirement, and the baffle 12 is arranged at the bottom of the test piece rack 1 to prevent the test piece from sliding down;
an angle graduated scale 5 and a chute 6 are fixedly arranged on one end of the bottom plate 15 far away from the hinge point in sequence; the tip that lies in angle scale 5 on test piece frame 1 is provided with first pole 2 that hangs, and the first fixedly connected with spring 3 that hangs on the pole 2, spring 3 fixedly connected with fixation clamp 4, and test piece frame 1 and spout 6 can be cliied to fixation clamp 4.
A second suspension rod 7 is arranged on the test piece rack 1 at the position of the water container 8, and the water container 8 and the timer 20 are fixedly arranged on the second suspension rod 7.
The bottom of the water container 8 is provided with a water outlet pipe, the outlet of the water outlet pipe is positioned above the end part of the test piece 11, the outlet of the water outlet pipe is provided with an electronic control valve 10, the side surface of the electronic control valve 10 is provided with a switch 9, and the switch 9 is simultaneously connected with a timer 20 and the electronic control valve 10.
A baffle plate 12 is arranged on one side of the test piece 11 close to the hinge point, and a laser detector head 13 is arranged on the baffle plate 12.
The test piece rack 1 is hinged with the bottom plate 15 through a bolt 14. The rotary bolt 14 is used for adjusting the inclination angle of the test piece, so that the test piece rack 1 is lifted, and the inclination angle is adjusted; an angle graduated scale 5 is arranged for monitoring that the test piece reaches a target angle; meanwhile, the suspension rod 2 is arranged on the test piece frame 1, the spring 3 connected with the fixing clamp 4 is fixed, then the test piece frame 1 is fixed on the sliding groove 6, and the test piece is fixed at a target angle.
The upper surface of the bottom plate 15 is provided with a level gauge 17, and the bottom of the bottom plate 15 is provided with a plurality of supports 16.
A method of testing a testing device for the hydrophobic properties of a pavement comprising the steps of:
1) adjusting the support base 16 and observing the level 17 to keep the whole device horizontal;
2) rotating the bolt 14, lifting the test piece rack 1, then placing the test piece 11 on the test piece rack 1 to enable the bottom end of the test piece 11 to reach the baffle 12, observing the angle scale 5 to enable the test piece to incline to a target angle, opening the fixing clamp 4, fixing the fixing clamp on the chute 6, and fixing the test piece at the target angle;
3) the switch 9 is turned on, the electronic control valve 10 and the timer 20 are simultaneously turned on, the water container 8 begins to drip water, and the timer 20 begins to time when the water drops reach the top end of the test piece 11; when water drops appear at the bottom of the test piece 11, the laser probe 13 acquires information and transmits the information to the controller 19 through a lead, and an instruction is made to pause the timer 20, so that the water drop sliding time of the test piece is obtained and used for representing the hydrophobic performance of the test piece.
A second suspension rod 7 is arranged on the test piece rack 1, the water container and the timer are fixed, then a switch 9 is arranged, the switch 9 controls the water container 8 and the timer 20 at the same time, and after the switch 9 is turned on, the timer 20 starts to work when water drops reach the top end of the test piece 11; when a water drop appears at the bottom end of the test piece 11, the laser probe 13 transmits the acquired information to the controller 19 through the wire 18, and then the controller 19 makes an instruction to stop the timer 20, so as to obtain the water drop sliding time of the test piece 11. The bottom plate 15 is provided with a leveling bubble 17, and the testing device is kept horizontal and the whole device is kept stable through the synergistic action of the bottom plate 15, the supporting base 16 and the leveling bubble 17.
Claims (7)
1. A test device for pavement hydrophobic performance is characterized by comprising a bottom plate (15), a test piece rack (1), a water container (8), a timer (20), a test piece (11), a controller (19) and a laser probe (13); the bottom plate (15) is horizontally arranged, and one end of the test piece rack (1) is hinged to one end part of the bottom plate (15); the water container (8) is arranged at one end, far away from the hinge point, of the test piece rack (1), a test piece (11) is arranged on the test piece rack (1) between the water container (8) and the hinge point, and an outlet of the water container (8) is located above the end part of the test piece (11); the controller (19) and the timer (20) are arranged on the test piece rack, the laser detection head (13) is arranged on the test piece rack (1) at one end of a hinge point, and the laser detection head (13) is used for detecting water flowing through the test piece (11); the laser probe (13) and the timer (20) are both connected with the controller through leads.
2. The device for testing the pavement hydrophobicity according to the claim 1, characterized in that an angle scale (5) and a chute (6) are fixedly arranged on one end of the bottom plate (15) far away from the hinge point in sequence; the end part of the test piece frame (1) located on the angle graduated scale (5) is provided with a first suspension rod (2), the first suspension rod (2) is fixedly connected with a spring (3), the spring (3) is fixedly connected with a fixing clamp (4), and the fixing clamp (4) can clamp the test piece frame (1) and the sliding groove (6).
3. The test device for the pavement hydrophobicity according to the claim 1, characterized in that a second suspension rod (7) is arranged on the test piece rack (1) at the position of the water container (8), and the water container (8) and the timer (20) are fixedly arranged on the second suspension rod (7).
4. The device for testing the pavement hydrophobicity according to the claim 1, characterized in that a water outlet pipe is arranged at the bottom of the water container (8), the outlet of the water outlet pipe is positioned above the end of the test piece (11), an electronic control valve (10) is arranged at the outlet of the water outlet pipe, a switch (9) is arranged on the side surface of the electronic control valve (10), and the switch (9) is simultaneously connected with a timer (20) and the electronic control valve (10).
5. The device for testing the road surface hydrophobicity according to the claim 1, characterized in that the side of the test piece (11) close to the hinge point is provided with a baffle plate (12), and the laser probe (13) is arranged on the baffle plate (12).
6. The device for testing the road surface hydrophobicity according to the claim 1, characterized in that the test piece rack (1) and the bottom plate (15) are hinged by the bolt (14).
7. A device for testing the hydrophobicity of a pavement according to claim 1, wherein the upper surface of the bottom plate (15) is provided with a level gauge (17), and the bottom of the bottom plate (15) is provided with a plurality of supports (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920671252.5U CN209878768U (en) | 2019-05-10 | 2019-05-10 | A test device for road surface hydrophobic property |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920671252.5U CN209878768U (en) | 2019-05-10 | 2019-05-10 | A test device for road surface hydrophobic property |
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| Publication Number | Publication Date |
|---|---|
| CN209878768U true CN209878768U (en) | 2019-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920671252.5U Active CN209878768U (en) | 2019-05-10 | 2019-05-10 | A test device for road surface hydrophobic property |
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| CN (1) | CN209878768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007066A (en) * | 2019-05-10 | 2019-07-12 | 长安大学 | A kind of experimental rig and test method for road surface hydrophobic performance |
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2019
- 2019-05-10 CN CN201920671252.5U patent/CN209878768U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110007066A (en) * | 2019-05-10 | 2019-07-12 | 长安大学 | A kind of experimental rig and test method for road surface hydrophobic performance |
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Effective date of registration: 20200918 Address after: 710064 Xi'an Province, South Second Ring Road Patentee after: CHANG'AN University Patentee after: SHAANXI DING BANG TRAFFIC SCIENCE AND TECHNOLOGY Co.,Ltd. Address before: 710064 middle section, south two ring road, Shaanxi, Xi'an Patentee before: CHANG'AN University |