CN210294260U - Asphalt non-stick wheel performance testing device for non-stick wheel - Google Patents
Asphalt non-stick wheel performance testing device for non-stick wheel Download PDFInfo
- Publication number
- CN210294260U CN210294260U CN201921111341.0U CN201921111341U CN210294260U CN 210294260 U CN210294260 U CN 210294260U CN 201921111341 U CN201921111341 U CN 201921111341U CN 210294260 U CN210294260 U CN 210294260U
- Authority
- CN
- China
- Prior art keywords
- walking
- wheel
- stick
- control device
- asphalt
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a non-sticking wheel performance test device of non-sticking wheel pitch, test device adopt the integrated design including wheel mill walking part and fixed frame part, wheel mill walking part including walking wheel, pressure control device, walking controlling means, connecting axle. The walking wheel is connected with the pressure control device and the walking control device through a connecting shaft. The fixed frame part comprises a base, a supporting frame, a test piece fixing device and a limiting device. The fixed frame part is also fixed with a pressure controller and a walking controller. And provides a method for testing the performance of the asphalt non-stick wheel by using the device, which comprises a mass method and an area method. The utility model discloses a test method is simple and easy, and testing arrangement is easy and simple to handle quick, the convenient popularization and application.
Description
Technical Field
The utility model relates to a road engineering tests technical field, especially relates to a non-stick wheel capability test device of non-stick wheel pitch.
Background
The adhesive layer oil spread for enhancing the adhesion between the asphalt layer and the asphalt layer of the pavement, between the asphalt layer and the cement concrete panel and between the asphalt layer and the asphalt stabilized macadam base layer can enable the structural layers to be adhered into a whole, reduce the damage to the pavement and improve the durability of the pavement. However, in the actual construction process, the phenomenon that the adhesive layer material is seriously adhered after being spread is serious, so that the loss of the adhesive material at the wheel track is caused, the adhesive effect is reduced, and the durability of the road surface is further influenced. To this end, researchers have developed non-wheel sticking asphalt to address this problem. Chinese patents CN109096988A and CN105907020A both mention novel hot asphalt sticky layer oil of non-stick wheel and modified emulsified asphalt of non-stick wheel, and whether the sticky layer oil or the emulsified asphalt is used for judging the non-stick wheel performance of the non-stick wheel asphalt only from the apparent effect, and the method is lack of an accurate and scientific evaluation method.
Therefore, the non-wheel-sticking asphalt is evaluated by adopting a quantitative scientific method, and the development, popularization and application of the non-wheel-sticking asphalt material are necessary. The utility model provides a non-stick wheel pitch non-stick wheel capability test device and non-stick wheel capability test method come the non-stick wheel performance to non-stick wheel pitch and test the evaluation.
Disclosure of Invention
In order to solve the deficiency of the prior art, the utility model provides a non-stick wheel pitch non-stick wheel capability test device and test method can evaluate the non-stick wheel performance of non-stick wheel pitch, and test method is quick, device convenient operation.
The utility model provides a technical scheme that technical problem adopted does:
the utility model discloses a non-stick wheel asphalt non-stick wheel performance test device, which comprises a wheel-grinding walking part and a fixed frame part, wherein the wheel-grinding walking part comprises a walking wheel, a walking track, a pressure control device, a walking control device and a connecting shaft;
the walking control device is arranged on the walking track and can move along the walking track; the walking control device is fixedly connected with the pressure control device; the pressure control device is connected with a central shaft of the travelling wheel through a connecting shaft, wherein the travelling wheel can rotate around the central shaft;
the pressure control device is a hydraulic telescopic device or a pneumatic telescopic device; the height position of a walking wheel is adjusted through extension and contraction, and the pressure load applied to a to-be-tested piece by the walking wheel is adjusted;
the fixed frame part comprises a base, a supporting frame, a limiting device and a test piece fixing device
The supporting frame is fixedly arranged on the base, the walking rails are arranged at the top of the supporting frame, a plurality of limiting devices are arranged and are all fixed on the base, and the limiting devices are provided with test piece fixing devices; the area formed between the limiting devices is used for placing a piece to be tested, and the test piece fixing device is used for fixing the position of the piece to be tested.
As the preferred scheme of the utility model, in order to better simulate the action relationship between the walking wheel and the asphalt, the walking wheel is a solid tyre made of rubber materials, the outer diameter is 50-500mm, and the wheel width is 10-100 mm.
As the preferred scheme of the utility model, pressure control device control walking wheel load, the load scope is 5-1000N, the size of load can be selected according to the required simulated operating mode of experiment.
As the preferred scheme of the utility model, the walking action of walking wheel is controlled to the walking controlling means, the walking distance is less than walking track length, and the walking distance is decided according to the experimental demand, if can be 10-500 mm. The walking control device moves in a reciprocating mode, the reciprocating speed is 1-50 times/min (1-25 times of reciprocating/min), and the specific reciprocating speed is selected according to the working condition required to be simulated in the test.
As the preferred scheme of the utility model, the walking track be the rack, walking controlling means contain motor and motor drive's gear, the gear setting is on the rack. In addition, the walking track and the walking control device of the utility model can be realized by adopting a lead screw slider moving pair; the walking track is set to be a lead screw, the walking control device is set to be a slide block to be threaded, and the slide block is enabled to generate a walking technical effect through the rotation of the lead screw.
As the preferable scheme of the utility model, the length of the walking track is selected according to the test requirements, such as 100 and 1000 mm. The two ends of the walking track are provided with limiting locks, the limiting locks are used for limiting the stroke of the walking control device, and the limiting locks can be used as trigger devices to trigger the walking control device to change the advancing direction and play the role of a stroke switch.
As the preferred scheme of the utility model, the limiting devices are four, and the four limiting devices are positioned at four corners of a square; the walking track is arranged right above the square area; the test piece is preferably a square test piece.
As the utility model discloses an optimal scheme, the base be cast iron material, play support fixed action to whole device, the base slightly is greater than braced frame.
As the utility model discloses a preferred scheme, the utility model discloses can also include pressure controller, pressure controller links to each other with pressure control device and is used for acquireing current pressure load to show.
As the utility model discloses an optimized scheme, the utility model discloses can also include the walking controller, the walking controller acquires the walking distance and the walking speed of walking wheel according to the slew velocity of motor and the number of turns of rotating to show.
As the preferred scheme of the utility model, the test piece fixing device is provided with threads, and the limiting device is provided with threaded holes; the test piece fixing device is matched with the limiting device through threads, and the test piece fixing device is screwed in and screwed out through threads to fix test pieces of different sizes and adjust tightness between the test pieces.
The device for testing the asphalt non-stick wheel performance of the non-stick wheel can truly simulate the action process of the wheel on the asphalt surface of the non-stick wheel; the test piece is firmly fixed through the limiting device, and the test data inaccuracy caused by the displacement of the test piece in the test process is avoided.
The utility model discloses a load is applyed to pressure control device, and in the test process, can set for different load sizes as required. Due to the different weight and load of the passing vehicles, there is a very large difference in load between, for example, an empty vehicle and a full vehicle; this is the complete difference just so that the load condition that the road surface bore, the utility model discloses an adjustment load that the device can be nimble can simulate the test condition of the different load conditions of test.
Similarly, the vehicle speed is different when the vehicle is stationary and running; the utility model discloses a walking control device can adjust required walking wheel speed, simulation and the required condition of test that can be nimble.
Drawings
FIG. 1 is a front view of the device of the present invention;
fig. 2 is a top view of the device of the present invention.
Detailed Description
In order to further illustrate the technical means and effects adopted for the predetermined objects of the present invention, the non-stick wheel performance testing device for the non-stick wheel asphalt according to the present invention is described in detail as follows.
As shown in fig. 1 and 2, in an embodiment of the present invention, the asphalt non-stick wheel performance testing apparatus includes a wheel-rolling walking part and a fixed frame part, wherein the wheel-rolling walking part includes a walking wheel 7, a walking track 3, a pressure control device 5, a walking control device 4 and a connecting shaft 6;
the walking control device 4 is arranged on the walking track 3 and can move along the walking track 3; the walking control device 4 is fixedly connected with the pressure control device 5; the pressure control device 5 is connected with a central shaft of a walking wheel 7 through a connecting shaft 6, wherein the walking wheel 7 can rotate around the central shaft;
the pressure control device 5 is a hydraulic telescopic device or a pneumatic telescopic device; the height position of a walking wheel 7 is adjusted through extension and contraction, and the pressure load applied to a to-be-tested piece by the walking wheel 7 is adjusted;
the fixed frame part comprises a base 2, a supporting frame 1, a limiting device 10 and a test piece fixing device 11; the supporting frame 1 is fixedly arranged on the base 2, the walking track 3 is arranged at the top of the supporting frame 1, a plurality of limiting devices 10 are arranged and fixed on the base 2, and the limiting devices 10 are provided with test piece fixing devices 11; the area formed between the limiting devices 10 is used for placing a piece to be tested, and the test piece fixing device 11 is used for fixing the position of the piece to be tested.
In the embodiment, the road wheel 7 is a solid tire made of rubber materials, the outer diameter is 500mm, and the wheel width is 50 mm. Because the automobile wheels running on the road surface have different sizes according to different types of vehicles, such as different sizes of the automobile wheels and the truck wheels, the selection of the outer diameter and the wheel width of the travelling wheels 7 is subject to the wheel size of the main passing vehicle capable of truly simulating the current test road surface.
In this embodiment, the traveling track 3 is a rack, the traveling control device 4 includes a motor and a gear driven by the motor, and the gear is disposed on the rack. The length of the walking track 3 is 800mm, and two ends of the walking track are provided with limiting locks.
In this embodiment, there are four limiting devices 10, and the four limiting devices 10 are located at four corners of a square; the running rail 3 is arranged right above the square area.
In this embodiment, the base 2 is made of cast iron, and supports and fixes the entire device, and the base 2 is slightly larger than the supporting frame 1.
In this embodiment, the apparatus may further include a pressure controller 8, and the pressure controller 8 is connected to the pressure control device 5 for obtaining and displaying the current pressure load. The device can also comprise a walking controller 9, and the walking controller 9 acquires the walking distance and the walking speed of the walking wheels according to the rotating speed and the rotating number of turns of the motor and displays the walking distance and the walking speed.
In this embodiment, the test piece fixing device 11 is provided with threads, and the limiting device 10 is provided with a threaded hole; the test piece fixing device 11 is matched with the limiting device 10 through threads, and the test piece fixing device 11 is screwed in and out through threads to fix test pieces of different sizes and adjust the tightness between the test pieces.
Utilize the utility model discloses a device can carry out on the on-stick wheel capability test, and the evaluation that acquires according to the test is different, can divide into quality method and area method.
The quality method for testing the performance of the non-stick wheel asphalt can be operated according to the following steps:
1) uniformly spreading asphalt on a non-stick wheel on the surface of flat asphalt concrete or cement concrete according to the spreading amount requirement, and taking the asphalt as a test piece for standby, wherein the test piece is square, has the length of d, and has a flat surface; the amount of spread per unit area is recorded as m0；
2) Fixing a test piece between the limiting devices 10, and fastening the test piece by the test piece fixing device 11; weighing the mass of the travelling wheel, recording as m1The width of the walking wheel is l, and the walking wheel is arranged on the connecting shaft; the pressure control device 5 extends to enable the travelling wheel 7 to be in contact with a test piece, and the pressure is applied to a specified test load;
3) starting the walking control device 4, and enabling the walking control device 4 to walk back and forth along the walking track 3 at the running speed required by the test; after the test is finished, the pressure control device 5 contracts to lift the travelling wheel 7, the travelling wheel is dismounted, the mass of the travelling wheel is weighed and recorded as m2；
4) Calculating the wheel sticking loss rate
And evaluating the performance of the asphalt non-stick wheel by the loss rate of the non-stick wheel, wherein the larger the SL value of the loss rate of the non-stick wheel, the worse the performance of the non-stick wheel is.
By using the above method, besides the mutual comparative evaluation performance between the to-be-tested members, the non-stick wheel asphalt recognized in the industry and the corresponding performance evaluation result can be used for calibrating the testing method of the utility model to obtain the testing standard, for example, the applicant finally determines that the non-stick wheel performance of the non-stick wheel asphalt with the loss rate of the non-stick wheel greater than 35% is an unqualified product for the actual evaluation by testing different samples, namely, 35% is used as the evaluation threshold value of the utility model. After obtaining the test standard, can utilize the utility model discloses a device and method carry out the performance test to arbitrary on-stick wheel pitch. The test result can be taken for a plurality of times, and the average value of a plurality of tests is calculated and recorded as the final test result; the non-stick wheel performance of the non-stick wheel asphalt with the wheel-stick loss rate not more than 35 percent is qualified.
The non-stick wheel performance test area method of the non-stick wheel asphalt can be operated according to the following steps:
1) uniformly spreading asphalt on a non-stick wheel on the surface of flat asphalt concrete or cement concrete according to the spreading amount requirement, and taking the asphalt as a test piece for standby, wherein the test piece is square and has a flat surface;
2) fixing a test piece between the limiting devices 10, and fastening the test piece by the test piece fixing device 11; weighing the mass of the travelling wheel, recording as m1The width of the walking wheel is l, and the walking wheel is arranged on the connecting shaft; paving the check paper on the test piece, wherein the length of the check paper is d, the length is not less than half of the length of the test piece, and the length of each check of the check paper is d0(ii) a The pressure control device 5 extends to enable the travelling wheel 7 to be in contact with a test piece, and the pressure is applied to a specified test load;
3) starting the walking control device 4, and enabling the walking control device 4 to walk back and forth along the walking track 3 at the running speed required by the test; after the test is finished, the walking wheel 7 is lifted, the check paper is taken down, and the number N of the checks adhered with the asphalt in the walking area of the walking wheel is recorded1；
4) Calculation of area adhesion Rate
And evaluating the performance of the asphalt non-stick wheel of the non-stick wheel by the area adhesion rate, wherein the larger the SV value of the area adhesion rate, the worse the performance of the non-stick wheel is.
Preferably, in the method for testing the performance of the non-stick wheel, the material of the paper is paper, plastic, rubber, metal and other sheets.
Similarly, with the non-stick wheel pitch of generally accepted in the trade and the performance evaluation result that corresponds thereof (if the industry deems unqualified or deems qualified) to calibrate the test method of the utility model, in order to obtain the test standard, the applicant passes through the different sample of experiment, and the non-stick wheel performance of the non-stick wheel pitch of finally confirming that the area adhesion rate is greater than 35% is the unqualified product of actual evaluation (the area adhesion rate SV of the non-stick wheel pitch of generally accepted performance in the industry all is less than 35%), promptly with 35% as the evaluation threshold value of the area adhesion rate of the utility model. After obtaining the test standard, can utilize the utility model discloses a device and method carry out the performance test to arbitrary on-stick wheel pitch. The test result can be taken for a plurality of times, and the average value of a plurality of tests is calculated and recorded as the final test result; the non-stick wheel performance of the non-stick wheel asphalt with the area adhesion rate of not more than 35 percent is qualified.
Utilize the utility model discloses a device carries out on-stick wheel capability test time, and the testing process is simple and convenient, can obtain fast and evaluate the relevant parameter index of on-stick wheel performance. Compare in prior art only by the on-the-spot method of observing or taking off the test again with the pitch of adhesion on the test wheel, the utility model discloses the method is more high-efficient and accurate. Through the utility model discloses the index that obtains can be directly perceived and accurate evaluation on-stick wheel performance. Wherein, the larger the numerical values of the wheel sticking loss ratio SL and the area sticking ratio SV are, the worse the wheel sticking prevention performance is.
Claims (8)
1. The asphalt non-stick wheel performance test device is characterized by comprising a wheel-grinding walking part and a fixed frame part, wherein the wheel-grinding walking part comprises a walking wheel (7), a walking track (3), a pressure control device (5), a walking control device (4) and a connecting shaft (6);
the walking control device (4) is arranged on the walking track (3) and can move along the walking track (3); the walking control device (4) is fixedly connected with the pressure control device (5); the pressure control device (5) is connected with a central shaft of the walking wheel (7) through a connecting shaft (6), wherein the walking wheel (7) can rotate around the central shaft;
the pressure control device (5) is a hydraulic telescopic device or a pneumatic telescopic device; the height position of a walking wheel (7) is adjusted through extension, and the pressure load applied to a to-be-tested piece by the walking wheel (7) is adjusted;
the fixed frame part comprises a base (2), a supporting frame (1), a limiting device (10) and a test piece fixing device (11)
The supporting frame (1) is fixedly arranged on the base (2), the walking track (3) is arranged at the top of the supporting frame (1), a plurality of limiting devices (10) are arranged and are all fixed on the base (2), and the limiting devices (10) are provided with test piece fixing devices (11); the area formed between the limiting devices (10) is used for placing a piece to be tested, and the test piece fixing device (11) is used for fixing the position of the piece to be tested.
2. The asphalt non-stick wheel performance test device for the non-stick wheel according to claim 1, wherein the road wheel (7) is a solid tire made of rubber materials, the outer diameter of the road wheel is 50-500mm, and the wheel width of the road wheel is 10-100 mm.
3. The asphalt non-stick wheel performance test device for the non-stick wheel according to claim 1, wherein the pressure control device (5) controls the load of the walking wheel, and the load ranges from 5N to 1000N.
4. The asphalt non-stick wheel performance test device for the non-stick wheel according to claim 1, wherein the walking control device (4) controls the walking action of the walking wheel, and the walking control device (4) moves in a reciprocating manner.
5. The asphalt non-stick wheel performance test device for the non-stick wheel according to the claim 1 or 4, wherein the walking track (3) is a rack, the walking control device (4) comprises a motor and a gear driven by the motor, and the gear is arranged on the rack.
6. The asphalt non-stick wheel performance test device for the non-stick wheel according to claim 1, wherein limit locks are arranged at two ends of the walking track (3).
7. The asphalt non-stick wheel performance test device for the non-stick wheel according to claim 1, wherein the number of the limiting devices (10) is four, and the four limiting devices (10) are positioned at four corners of a square; the walking track (3) is arranged right above the square area.
8. The asphalt non-stick wheel performance test device for the non-stick wheel according to claim 1, wherein a test piece fixing device (11) is provided with threads, and a limiting device (10) is provided with a threaded hole; the test piece fixing device (11) is matched with the limiting device (10) through threads, and the test piece fixing device (11) is screwed in and out through the threads to fix test pieces of different sizes and adjust tightness between the test pieces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921111341.0U CN210294260U (en) | 2019-07-16 | 2019-07-16 | Asphalt non-stick wheel performance testing device for non-stick wheel |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921111341.0U CN210294260U (en) | 2019-07-16 | 2019-07-16 | Asphalt non-stick wheel performance testing device for non-stick wheel |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210294260U true CN210294260U (en) | 2020-04-10 |
Family
ID=70102744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921111341.0U Active CN210294260U (en) | 2019-07-16 | 2019-07-16 | Asphalt non-stick wheel performance testing device for non-stick wheel |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210294260U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231467A (en) * | 2019-07-16 | 2019-09-13 | 浙江省交通集团检测科技有限公司 | Not viscous wheel pitch is not viscous to take turns performance testing device and test method |
-
2019
- 2019-07-16 CN CN201921111341.0U patent/CN210294260U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110231467A (en) * | 2019-07-16 | 2019-09-13 | 浙江省交通集团检测科技有限公司 | Not viscous wheel pitch is not viscous to take turns performance testing device and test method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2022094751A1 (en) | Tire wear resistance detection device and detection method thereof | |
| CN109374454B (en) | Multifunctional pavement paving material performance test device and test method | |
| US8966987B2 (en) | Road simulation test stand | |
| CN100543444C (en) | Indoor rotary wheel rutting test machine for asphalt mixture | |
| CN203595634U (en) | Multifunctional asphalt pavement durability tester | |
| Al-Qadi et al. | Evaluation of pavement damage due to new tire designs | |
| CN105136587A (en) | Bituminous mixture rutting test device | |
| CN111189732B (en) | Tire wear resistance detection device and detection method thereof | |
| CN105388027A (en) | Tire test device | |
| CN104777094A (en) | Experimental device for testing rubber friction performance | |
| CN204988883U (en) | Bituminous mixture wheel tracking test device | |
| CN109470488A (en) | A kind of simulator and Road quality simulation method on multi-state road surface | |
| CN102042923B (en) | Indoor grinding and forming instrument of bituminous mixture test specimen and forming control method thereof | |
| CN210294260U (en) | Asphalt non-stick wheel performance testing device for non-stick wheel | |
| CN108037028B (en) | Method and device for testing shearing resistance and fatigue of pavement interface under vehicle braking condition | |
| CN108196039B (en) | Device and method for simulating crack characteristics among broken blocks and influence of crack characteristics on layering | |
| CN103076236A (en) | Analog semi-rigid underlying structure temperature shrinkage fracture testing method and device | |
| CN110231467A (en) | Not viscous wheel pitch is not viscous to take turns performance testing device and test method | |
| CN101576457A (en) | Fatigue tester for paving rotary wheel type bridge | |
| CN102230791B (en) | W-shaped rutting bump height measuring system | |
| CN210604235U (en) | Test device for simulating rut forming process of asphalt pavement | |
| CN1731137A (en) | Indoor testing device for bearing capacity of asphalt pavement structural layer | |
| CN2854565Y (en) | Indoor rotation rut tester for asphalt pavement | |
| CN111780997B (en) | Tire testing device | |
| DE102017220010A1 (en) | Device for measuring the abrasion and / or the friction behavior of a tread block element comprising a displaceable holding component, a movable component and one, two or more than two sensors, and use of this device for the corresponding measurement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |