CN216955558U - Asphalt mixture fatigue performance testing device - Google Patents
Asphalt mixture fatigue performance testing device Download PDFInfo
- Publication number
- CN216955558U CN216955558U CN202220526837.XU CN202220526837U CN216955558U CN 216955558 U CN216955558 U CN 216955558U CN 202220526837 U CN202220526837 U CN 202220526837U CN 216955558 U CN216955558 U CN 216955558U
- Authority
- CN
- China
- Prior art keywords
- plate
- lead screw
- fatigue performance
- performance testing
- motor
- 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
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Landscapes
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The utility model discloses a fatigue performance testing device for an asphalt mixture, which comprises a testing table, wherein a top plate is arranged above the testing table, a connecting plate is arranged on the lower side of the top plate, a moving mechanism is arranged on the lower side of the connecting plate, the driving end of the moving mechanism is connected with a telescopic mechanism, the driving end of the telescopic mechanism is connected with a bottom plate, the lower side of the bottom plate is connected with an adjusting mechanism, a rolling wheel is arranged in the adjusting mechanism, and a pair of side edges of the testing table are respectively provided with a fixing mechanism. This bituminous mixture fatigue performance testing arrangement has solved the size and the weight that current test equipment can't adjust the rolling wheel.
Description
Technical Field
The utility model belongs to the technical field of asphalt mixture testing equipment, and particularly relates to an asphalt mixture fatigue performance testing device.
Background
The fatigue property of the asphalt mixture refers to the maximum stress which can not be damaged when the asphalt mixture is rolled for many times by a vehicle when the asphalt mixture is used as a pavement paving material, the asphalt mixture needs to be sampled when being produced to be manufactured into a formed asphalt plate for testing, and the asphalt plate is rolled by a rolling assembly to test the fatigue property of the asphalt plate when being tested.
Under the prior art, when rolling the detection through rolling wheel imitation wheel, the size and the weight of rolling wheel are inconvenient to be adjusted, lead to the test not to have the contrast data, and test sample data is imperfect to the test route is the simplification, can't change.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for testing the fatigue performance of an asphalt mixture, which solves the problem that the size and the weight of a rolling wheel cannot be adjusted by the conventional testing equipment.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides an asphalt mixture fatigue performance testing arrangement, includes the testboard, the testboard top is provided with the roof, the downside of roof is provided with the connecting plate, the downside of connecting plate is provided with moving mechanism, moving mechanism's drive end is connected with telescopic machanism, telescopic machanism's drive end is connected with the bottom plate, the downside of bottom plate is connected with adjustment mechanism, be provided with the rolling wheel in the adjustment mechanism, set up fixed establishment on a pair of side of testboard respectively.
As a preferable technical solution of the present invention, the moving mechanism includes a first motor disposed in the connecting plate, a driving end of the first motor is connected to a first lead screw, a moving block is screwed on the first lead screw, a lower end of the moving block extends out of an open slot disposed at a lower side of the connecting plate, and the telescoping mechanism is connected to a lower end of the moving block.
As a preferable technical solution of the present invention, the telescopic mechanism is an electric telescopic rod.
As a preferred technical solution of the present invention, the adjusting mechanism includes a second motor disposed in the bottom plate, the second motor is a double-output shaft motor, two output shafts of the second motor are respectively connected with a second lead screw and a third lead screw, the thread directions of the second lead screw and the third lead screw are opposite, the second lead screw and the third lead screw are respectively assembled with a fixing plate through threads, the fixing plate is provided with a side plate on the inner side thereof, and a wheel axle of the rolling wheel is rotatably disposed between the two side plates.
As a preferable technical scheme of the utility model, the fixing mechanism comprises an inverted L-shaped plate, and the upper side of the L-shaped plate is provided with a screw in a threaded manner.
As a preferred technical solution of the present invention, the top plate is disposed on the test table through four support columns.
The utility model has the beneficial effects that: according to the device for testing the fatigue performance of the asphalt mixture, when a new rolling wheel is replaced, the distance between the two fixing plates of the adjusting mechanism is controlled, then the new rolling wheel is placed between the two fixing plates, and then each side plate and the corresponding fixing plate are fixed through the bolts, so that the rolling wheels with different weights can be replaced. In addition, when the moving path of rolling wheel needs to be changed, through dismantling the connecting plate, dismantle the connecting plate out from between electric telescopic handle and the roof, the removable new connecting plate that has different moving mechanism adjusts the route, and the test path is diversified, the contrast of the data of being convenient for.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a development view of a fatigue property testing apparatus for asphalt mixture according to the present invention;
FIG. 2 is a schematic structural diagram of a fatigue performance testing device for asphalt mixtures according to the present invention;
FIG. 3 is a schematic structural diagram of a moving mechanism in the fatigue performance testing apparatus for asphalt mixture according to the present invention;
FIG. 4 is a schematic structural diagram of an adjusting mechanism in the fatigue performance testing device for asphalt mixtures according to the present invention.
In the figure: 1. the test table comprises a test table body, a top plate, a connecting plate, a moving mechanism, a first motor, a first lead screw, a moving block, a bottom plate, a regulating mechanism, a second motor, a second lead screw, a fixing plate, a third lead screw, a rolling wheel, a side plate, a telescopic mechanism, a fixing mechanism, a plate 101, an L-shaped plate 102 and a screw rod 42, wherein the top plate is 2, the connecting plate is 3, the moving mechanism is 4, the moving block is 43, the bottom plate is 5, the regulating mechanism is 6, the second motor is 61, the second lead screw is 62, the fixing plate is 63, the third lead screw is 64, the rolling wheel is 7, the side plate is 8, the telescopic mechanism is 9, the fixing mechanism is 10, and the L-shaped plate is 102.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, unless otherwise explicitly limited, terms such as arrangement, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention in combination with the specific contents of the technical solutions.
As shown in figures 1-4, the asphalt mixture fatigue performance testing device comprises a testing table 1 and a top plate 2, wherein the top plate 2 is fixedly connected to the upper end of the testing table 1 through support columns at four corners of the bottom end, the middle part of the bottom end of the top plate 2 is connected with a connecting plate 3, a moving mechanism 4 is arranged inside the connecting plate 3, the moving mechanism 4 comprises a moving block 43, the moving mechanism 4 is opened to drive a rolling wheel 7 below to translate so as to repeatedly roll an asphalt plate, when the asphalt plate is broken and damaged, the maximum fatigue performance of the asphalt plate can be known at the moment, the lower end of the moving block 43 is connected with an electric telescopic rod 9, the lower end of the electric telescopic rod 9 is fixedly connected with a bottom plate 5, the electric telescopic rod 9 is opened, the output end of the electric telescopic rod 9 can extend to drive the rolling wheel 7 at the lower end to descend to be pressed on the upper side surface of the asphalt plate, an adjusting mechanism 6 is arranged inside the bottom plate 5, the adjusting mechanism 6 comprises a second motor 61, the second motor 61 is a double-output shaft motor, the second motor 61 is fixedly connected to one end inside the bottom plate 5, two output shafts of the second motor 61 are respectively and fixedly connected with a second lead screw 62 and a third lead screw 64, the ends, away from each other, of the second lead screw 62 and the third lead screw 64 are respectively and rotatably connected to two ends inside the bottom plate 5, the surfaces of the second lead screw 62 and the third lead screw 64 are both in threaded connection with a fixing plate 63, a rolling wheel 7 is arranged between the lower parts of the two fixing plates 63, when a new rolling wheel 7 is replaced, the distance between the two fixing plates 63 is adjusted according to the length of the rolling wheel 7, the second motor 61 is opened to drive the second lead screw 62 and the third lead screw 64 at two ends to rotate, the directions of the threads on the surfaces of the second lead screw 62 and the third lead screw 64 are opposite, and the moving directions of the two fixing plates 63 are opposite, namely, the distance between the two fixing plates 63 can be adjusted, curb plate 8 is all installed to rolling wheel 7's both sides, and rolling wheel 7 rotates to be connected between two curb plates 8, and the middle part all is connected through bolted disassembly between every curb plate 8 and the relative fixed plate 63, and when new rolling wheel 7 was placed and is fixed between two fixed plates 63, it can to fix every curb plate 8 and corresponding fixed plate 63 through the bolt.
Wherein, for better fixing the asphalt board, can fix through fixed establishment 10, fixed establishment 10 sets up in testboard 1's both sides, fixed establishment 10 all includes the L template 101 and the screw rod 102 of putting upside down, the vertical board lower extreme of two L templates 101 welds respectively in testboard 1's both sides, equal threaded connection has screw rod 102 on the horizontal board of L template 101, fixed disk has all been welded to screw rod 102's lower extreme, the handle has all been welded to screw rod 102's upper end, twist reverse two screw rod 102's of fixed establishment 10 handle, screw rod 102 moves down the disk that drives the lower extreme and presses in asphalt board upper end both sides, can fix the asphalt board.
Wherein, for more quick drive rolling wheel 7 carries out the translation, first motor 41 passes through fixing base fixed connection in the bottom cavity one end of connecting plate 3, and the output of first motor 41 has first lead screw 42 through the coupling joint, and movable block 43 threaded connection opens the first motor 41 of moving mechanism 4 on first lead screw 42, and first motor 41 drives first lead screw 42 and rotates for movable block 43 removes the 7 translations of rolling wheel that can drive the below and rolls repeatedly the asphalt sheet.
Wherein, in order to adjust different movement path, every pair of screw hole at connecting plate 3 both ends is all dismantled with 2 bottom side both ends of relative roof through a pair of bolt and is connected, the upper end welding of electric telescopic handle 9 has all to be dismantled through the bolt between the lower extreme both sides of buttcover plate and movable block 43 and be connected, when the movement path of needs change rolling wheel 7, through dismantling the bolt at connecting plate 3 both ends, make connecting plate 3 lose fixedly, then dismantle the bolt between electric telescopic handle 9 upper end buttcover plate and the movable block 43, can dismantle connecting plate 3 from between electric telescopic handle 9 and roof 2, thereby change and have different moving mechanism 4's new connecting plate 3 to carry out the adjustment path.
The working principle is as follows: when the fatigue performance is detected, firstly, an asphalt plate made of an asphalt mixture sample is placed on a test bench 1, then two screw rods 102 of a fixing mechanism 10 are twisted, the screw rods 102 move downwards to drive a round block at the lower end to press two sides of the upper end of the asphalt plate, so that the asphalt plate can be fixed, when a rolling test is performed, an electric telescopic rod 9 is firstly opened, the output end of the electric telescopic rod 9 extends to drive a rolling wheel 7 at the lower end to descend to be pressed on the upper side surface of the asphalt plate, then a first motor 41 of a moving mechanism 4 is opened to drive a first screw rod 42 to rotate, so that a moving block 43 moves to drive the rolling wheel 7 at the lower part to translate to repeatedly roll the asphalt plate, when the asphalt plate is broken and damaged, the maximum fatigue performance of the asphalt plate can be known, when the rolling wheels 7 with different weights are required to be replaced, bolts between two pairs of side plates 8 and a fixing plate 63 at two sides can be disassembled, when the rolling wheel 7 is taken down and a new rolling wheel 7 is replaced, firstly, the distance between two fixing plates 63 is adjusted according to the length of the rolling wheel 7, a second motor 61 is opened to drive a second lead screw 62 and a third lead screw 64 at two ends to rotate, the moving directions of the two fixing plates 63 are opposite because the surface thread directions of the second lead screw 62 and the third lead screw 64 are opposite, the distance between the two fixing plates 63 can be adjusted, then the new rolling wheel 7 is placed between the two fixing plates 63, each side plate 8 and the corresponding fixing plate 63 are fixed through bolts, the rolling wheels 7 with different weights can be used for multiple detection through the mode, the data comparison is convenient, when the moving path of the rolling wheel 7 needs to be changed, the connecting plate 3 is not fixed through dismounting the bolts at two ends of the connecting plate 3, then the bolts between the butt plate at the upper end of the electric telescopic rod 9 and the moving block 43 are dismounted, can follow the connecting plate 3 and dismantle out between electric telescopic handle 9 and roof 2 to the new connecting plate 3 that has different moving mechanism 4 of change adjusts the route, when installing new connecting plate 3 that has different moving mechanism 4, and it can to install to drill out the screw to new connecting plate 3 and roof 2.
Therefore, compared with the prior art, the fatigue performance testing device for the asphalt mixture can realize convenient manual hauling and mechanical and electric stirring, can greatly reduce the working strength, and is suitable for occasions for mechanically reinforcing aggregates in small laboratories. In addition, according to the device for testing the fatigue performance of the asphalt mixture, the first driving mechanism and the second driving mechanism can drive the roller and the shaping wheel to rotate in opposite directions, so that the shaping strength is improved, the production efficiency is improved, and the practicability is high. In addition, the fatigue performance testing device for the asphalt mixture has the advantages of small volume, simple structure, convenience in assembly, low cost and easiness in operation, and the feeding port is covered to effectively prevent dust from flying during working.
While the foregoing description shows and describes several preferred embodiments of the utility model, it is to be understood, as noted above, that the utility model is not limited to the forms disclosed herein, but is not intended to be exhaustive of other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed above, or as otherwise known in the relevant art. But variations and modifications which do not depart from the spirit and scope of the utility model should be construed as being included in the scope of the appended claims.
Claims (6)
1. The utility model provides a bituminous mixture fatigue performance testing arrangement, its characterized in that, includes testboard (1), testboard (1) top is provided with roof (2), the downside of roof (2) is provided with connecting plate (3), the downside of connecting plate (3) is provided with moving mechanism (4), the drive end of moving mechanism (4) is connected with telescopic machanism (9), the drive end of telescopic machanism (9) is connected with bottom plate (5), the downside of bottom plate (5) is connected with adjustment mechanism (6), be provided with rolling wheel (7) in adjustment mechanism (6), set up fixed establishment (10) on a pair of side of testboard (1) respectively.
2. The asphalt mixture fatigue performance testing device according to claim 1, wherein the moving mechanism (4) comprises a first motor (41) arranged in the connecting plate (3), a first lead screw (42) is connected to a driving end of the first motor (41), a moving block (43) is assembled on the first lead screw (42) in a threaded manner, the lower end of the moving block (43) extends out of an open slot arranged at the lower side of the connecting plate (3), and the telescopic mechanism (9) is connected to the lower end of the moving block (43).
3. The asphalt mixture fatigue performance testing device according to claim 2, wherein the telescoping mechanism (9) is an electric telescopic rod.
4. The asphalt mixture fatigue performance testing device according to claim 3, wherein the adjusting mechanism (6) comprises a second motor (61) arranged in the bottom plate, the second motor (61) is a double-output shaft motor, a second lead screw (62) and a third lead screw (64) are respectively connected to two output shafts of the second motor (61), the rotating directions of the threads on the second lead screw (62) and the third lead screw (64) are opposite, a fixing plate (63) is respectively assembled on the second lead screw (62) and the third lead screw (64) in a threaded manner, a side plate (8) is arranged on the inner side of the fixing plate (63), and the wheel shaft of the rolling wheel (7) is rotatably arranged between the two side plates (8).
5. The asphalt mixture fatigue performance testing device according to claim 4, wherein the fixing mechanism (10) comprises an inverted L-shaped plate (101), and the upper side of the L-shaped plate (101) is threaded with a screw (102).
6. The asphalt mixture fatigue performance testing device according to claim 5, characterized in that the top plate (2) is arranged on the test bench (1) by four support columns.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220526837.XU CN216955558U (en) | 2022-03-11 | 2022-03-11 | Asphalt mixture fatigue performance testing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220526837.XU CN216955558U (en) | 2022-03-11 | 2022-03-11 | Asphalt mixture fatigue performance testing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216955558U true CN216955558U (en) | 2022-07-12 |
Family
ID=82294975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220526837.XU Active CN216955558U (en) | 2022-03-11 | 2022-03-11 | Asphalt mixture fatigue performance testing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216955558U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115406784A (en) * | 2022-10-31 | 2022-11-29 | 山东高速明董公路有限公司 | Cement stabilized macadam pavement fracturing fatigue test platform |
-
2022
- 2022-03-11 CN CN202220526837.XU patent/CN216955558U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115406784A (en) * | 2022-10-31 | 2022-11-29 | 山东高速明董公路有限公司 | Cement stabilized macadam pavement fracturing fatigue test platform |
| CN115406784B (en) * | 2022-10-31 | 2023-01-10 | 山东高速明董公路有限公司 | Cement stabilized macadam pavement fracturing fatigue test platform |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN216955558U (en) | Asphalt mixture fatigue performance testing device | |
| CN111397952A (en) | Rock sampling device with adjustable drilling angle based on drill bit | |
| CN201583459U (en) | Shearing fatigue tester | |
| CN214024158U (en) | H-shaped steel welding equipment | |
| CN211251697U (en) | Glass printing silk screen fixing device | |
| CN217687677U (en) | Dynamic balance measuring device for coupler | |
| CN106608601A (en) | Multifunctional mechanical jack | |
| CN204422220U (en) | A kind of tilting drum device for tire force test | |
| CN205703873U (en) | A kind of hold down gag | |
| CN212340850U (en) | Manual type material mechanics tensile testing machine | |
| CN210833414U (en) | Steel casting size detection device | |
| CN219625466U (en) | Portable VOCs detector | |
| CN204085905U (en) | Tyre tester | |
| CN113048339A (en) | Adjustable information technology big data multifunctional teaching frame and adjusting method thereof | |
| CN214423101U (en) | Real-time continuous detection device for pavement compactness | |
| CN219625269U (en) | Asphalt pavement performance detection device | |
| CN214328417U (en) | Concrete shakeouts test device | |
| CN220406271U (en) | Soil sample test screen frame | |
| CN220872254U (en) | Safety detection equipment for construction engineering materials | |
| CN220584004U (en) | Granularity test equipment of nanometer boron nitride | |
| CN220592850U (en) | Reversible locking tool for LED display screen production | |
| CN218272379U (en) | Motor rack for testing counter-dragging type motor | |
| CN205898547U (en) | Novel intelligent control coke rotary drum mechanical equipment | |
| CN218120570U (en) | Drying device is used in chemical material processing | |
| CN220570294U (en) | Temporary supporting device for electromechanical cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |