An automatic measuring device for rutting tests of asphalt mixtures

Abstract

This utility model relates to the field of asphalt rutting testing technology, specifically an automatic measuring device for asphalt mixture rutting testing. It includes a device base, a side plate on one side of the top of the base, two second support slide rods fixed between the inner walls of the two sides of the side plate, and a support plate slidably fitted onto the outer sides of the two second support slide rods. An adjustment assembly is fixed to the top of the support plate, and a cylinder is installed below the adjustment assembly. A solid rubber compaction wheel is fixed to the output end of the cylinder. A displacement sensor is installed on the top of the device base, and a material container assembly is fixed to the top of the displacement sensor. This utility model allows for rapid adjustment of the solid rubber compaction wheel to compact the asphalt material placed inside the material container assembly at different locations, thereby improving the speed of data acquisition from different locations of the asphalt material and preventing changes in the properties of the asphalt material from affecting the testing structure.

Description

Technical Field

[0001] This utility model relates to the field of asphalt rutting test technology, specifically to an automatic measuring device for asphalt mixture rutting test. Background Technology

[0002] The automatic measurement equipment for rutting tests of asphalt mixtures is a heavy-duty laboratory device used to determine the high-temperature rutting resistance of asphalt mixtures. Its core function is to evaluate the high-temperature stability of materials by simulating the wheel rolling process.

[0003] An existing automatic measurement device for rutting tests of asphalt mixtures cannot change the position of the simulated wheel rolling during use. It can only repeatedly roll the central part of the asphalt material, while the rolling data of the edge area is insufficient. Therefore, the testers need to frequently change the placement of the asphalt to detect the changes of the asphalt in different locations after being rolled by the simulated wheel. Frequent changes waste a lot of operation time, which can lead to changes in the properties of the asphalt and thus affect the test results.

[0004] Therefore, an automatic measurement device for rutting tests of asphalt mixtures is proposed. Utility Model Content

[0005] The purpose of this utility model is to provide an automatic measuring device for asphalt mixture rutting tests to solve the problems mentioned in the background art. To achieve the above objective, this utility model provides the following technical solution: An automatic measuring device for asphalt mixture rutting tests includes a device base, a side plate on one side of the top of the device base, two second support slide rods fixed between the inner walls of the two sides of the side plate, a support plate slidably sleeved on the outer side of the two second support slide rods, an adjustment component fixed on the top of the support plate, a cylinder installed below the adjustment component, a solid rubber rolling wheel fixed at the output end of the cylinder, a displacement sensor installed on the top of the device base, a material container assembly fixed on the top of the displacement sensor, a control panel installed on one side of the device base, a first through groove opened on one side of the side plate, a control rod welded to one side of the support plate, and a drive component fixed on one side of the side plate. The drive component and the control rod are used in conjunction.

[0006] Preferably, the bottom of the equipment base is welded with four support legs, and the four support legs are located at the four corners of the bottom of the equipment base.

[0007] Preferably, the material container assembly includes a fixed groove and a sliding groove, and a limiting installation groove is provided on the inner wall of each side of the fixed groove, and a threaded groove is provided on each side of the fixed groove.

[0008] Preferably, a limiting plate is welded to one side of the sliding groove, and a limiting insert is welded to each side of the sliding groove.

[0009] Preferably, each side of the limiting plate is connected to a threaded rod via threaded engagement, and the threaded rod and the threaded groove are connected via threaded engagement.

[0010] Preferably, the adjusting assembly includes a fixed frame, and a lead screw is installed inside the fixed frame via a bearing. A sliding plate is threadedly connected to the outside of the lead screw. A first supporting slide rod is fixed to each of the two sides inside the fixed frame. The inside of each side of the sliding plate is slidably sleeved on the outside of the first supporting slide rod. The bottom of the sliding plate is connected to the top of the cylinder via a flange.

[0011] Preferably, a handwheel is rotatably mounted on one side of the fixed frame, and the output end of the handwheel is fixedly connected to one end of the lead screw.

[0012] Preferably, the drive assembly includes a mounting housing and a limiting frame, and a motor is fixed to one side of the mounting housing by bolts. The inner wall of the mounting housing has two limiting grooves, and a rack and pinion slider is slidably installed inside the two limiting grooves. The rack and pinion slider is slidably installed inside the mounting housing.

[0013] Preferably, a half-tooth gear is rotatably mounted inside the mounting housing, and the half-tooth gear is connected to the rack and pinion slider through tooth meshing. The motor output end extends into the mounting housing and is fixedly connected to one end of the half-tooth gear.

[0014] Preferably, a limit frame is welded to the top of the rack slider, and a second through groove is provided on the top of the mounting housing.

[0015] Compared with the prior art, this utility model provides an automatic measuring device for asphalt mixture rutting tests, which has the following beneficial effects: Rotating the handwheel drives the lead screw to rotate. Controlling the rotation of the lead screw causes the slide plate to slide along the installation direction of the slide plate and the first support slide rod. Controlling the slide plate to slide inside the fixed frame synchronously drives the cylinder to move. Controlling the movement of the cylinder allows for rapid adjustment of the solid rubber compaction wheel to compact the asphalt material placed inside the material container assembly at different locations. This improves the speed of data acquisition for compaction at different locations of the asphalt material and avoids changes in the properties of the asphalt material that could affect the detection structure. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the main structure of the present utility model; Figure 2 This is a schematic diagram of the rear view structure of this utility model; Figure 3 This is a top view of the structure of this utility model; Figure 4 This is a side view of the structure of this utility model; Figure 5 This utility model Figure 1 Enlarged structural diagram at point A; Figure 6 This utility model Figure 1 A magnified structural diagram at point B in the middle.

[0017] In the diagram: 1. Equipment base; 2. Support leg; 3. Displacement sensor; 4. Control panel; 5. Material container assembly; 501. Fixing groove; 502. Limiting mounting groove; 503. Sliding groove; 504. Threaded groove; 505. Limiting plate; 506. Threaded rod; 507. Limiting insert plate; 6. Solid rubber rolling wheel; 7. Adjustment assembly; 701. Fixing frame; 702. Slide plate; 703. First support slide rod; 704. Handwheel; 705. Lead screw; 8. First through groove; 9. Support plate; 10. Second support slide rod; 11. Side plate; 12. Cylinder; 13. Control lever; 14. Drive assembly; 1401. Mounting housing; 1402. Limiting frame; 1403. Rack and pinion slider; 1404. Half gear; 1405. Limiting slide groove; 1406. Motor; 1407. Second through groove. Detailed Implementation

[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0019] Example 1: See Figure 1 — Figure 6An automatic measuring device for rutting tests of asphalt mixtures includes a base 1, a side plate 11 on one side of the top of the base 1, two second support slide rods 10 fixed between the inner walls of the two sides of the side plate 11, a support plate 9 slidably sleeved on the outer side of the two second support slide rods 10, an adjustment component 7 fixed on the top of the support plate 9, a cylinder 12 installed below the adjustment component 7, a solid rubber rolling wheel 6 fixed at the output end of the cylinder 12, a displacement sensor 3 installed on the top of the base 1, a material container assembly 5 fixed on the top of the displacement sensor 3, a control panel 4 installed on one side of the base 1, a first through groove 8 opened on one side of the side plate 11, a control rod 13 welded to one side of the support plate 9, and a drive component 14 fixed on one side of the side plate 11. The drive component 14 and the control rod 13 are used in conjunction.

[0020] The adjusting assembly 7 includes a fixed frame 701, and a lead screw 705 is mounted inside the fixed frame 701 via a bearing. A slide plate 702 is connected to the outside of the lead screw 705 via a threaded engagement. A first support slide rod 703 is fixed to each of the two sides inside the fixed frame 701. The slide plate 702 is slidably sleeved on the outside of the first support slide rod 703 on both sides. The bottom of the slide plate 702 is connected to the top of the cylinder 12 via a flange.

[0021] A handwheel 704 is rotatably mounted on one side of the fixed frame 701, and the output end of the handwheel 704 is fixedly connected to one end of the lead screw 705.

[0022] Specifically, such as Figure 1 , Figure 2 and Figure 3 As shown, rotating the handwheel 704 can drive the lead screw 705 to rotate. Since the outer side of the lead screw 705 is fitted with a sliding plate 702 through thread engagement, and the inner sides of the sliding plate 702 are respectively slidably fitted on the outer side of the first support slide rod 703, controlling the rotation of the lead screw 705 can drive the sliding plate 702 to slide along the installation direction of the sliding plate 702 and the first support slide rod 703. Since the bottom of the sliding plate 702 is fixed with a cylinder 12, controlling the sliding of the sliding plate 702 inside the fixed frame 701 can synchronously drive the cylinder 12 to move. Since the output end of the cylinder 12 is fixed with a solid rubber rolling wheel 6, controlling the movement of the cylinder 12 can control the solid rubber rolling wheel 6 to roll the asphalt material placed inside the material container assembly 5 at different positions, thereby improving the speed of data acquisition of rolling at different positions of the asphalt material and avoiding the situation where changes in the properties of the asphalt material affect the detection structure.

[0023] Example 2: Four support legs 2 are welded to the bottom of the equipment base 1, and the four support legs 2 are located at the four corners of the bottom of the equipment base 1. The material container assembly 5 includes a fixed groove 501 and a sliding groove 503. A limiting installation groove 502 is opened on the inner wall of both sides of the fixed groove 501. A threaded groove 504 is opened on both sides of the fixed groove 501. A limiting plate 505 is welded to one side of the sliding groove 503. A limiting insert plate 507 is welded to both sides of the sliding groove 503. A threaded rod 506 is threadedly connected to both sides of the limiting plate 505. The threaded rod 506 is threadedly connected to the threaded groove 504.

[0024] Specifically, such as Figure 1 , Figure 3 , Figure 5 and Figure 6 As shown, when placing asphalt material, the sliding groove 503 is inserted into the fixed groove 501. During insertion, the limiting plates 507 fixed on both sides of the sliding groove 503 are inserted into the limiting installation groove 502 to restrict the insertion position of the sliding groove 503. Then, the threaded rod 506 is rotated so that one end of the threaded rod 506 is screwed into the threaded groove 504 to fix the sliding groove 503 inside the fixed groove 501. Then, the asphalt material is injected into the semi-enclosed space formed by the sliding groove 503 and the fixed groove 501 for cooling and shaping. When removing the asphalt material, the sliding groove 503 can be pulled out from the fixed groove 501 to remove the asphalt material, avoiding contamination of the equipment.

[0025] Example 3: The drive assembly 14 includes a mounting housing 1401 and a limiting frame 1402. A motor 1406 is fixed to one side of the mounting housing 1401 by bolts. Two limiting grooves 1405 are opened on the inner wall of the mounting housing 1401. A rack and pinion slider 1403 is slidably installed inside the two limiting grooves 1405. The rack and pinion slider 1403 is slidably installed inside the mounting housing 1401. A half-tooth gear 1404 is rotatably installed inside the mounting housing 1401. The half-tooth gear 1404 is connected to the rack and pinion slider 1403 through tooth meshing. The output end of the motor 1406 extends into the mounting housing 1401 and is fixedly connected to one end of the half-tooth gear 1404. The limiting frame 1402 is welded to the top of the rack and pinion slider 1403. A second through groove 1407 is opened on the top of the mounting housing 1401.

[0026] Specifically, such as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, by controlling the rotation of the output end of the motor 1406, the half-tooth gear 1404 can be rotated. The rotation of the half-tooth gear 1404 can drive the rack slider 1403 to slide back and forth inside the mounting housing 1401. Since the top of the rack slider 1403 is welded with a limit frame 1402, the limit frame 1402 will move back and forth synchronously with the movement of the rack slider 1403. Since the top of the limit frame 1402 restricts the control rod 13 inside, and one end of the control rod 13 is fixed to one side of the support plate 9, and the upper and lower sides of the support plate 9 are respectively slidably sleeved on the outside of the second support slide rod 10, by controlling the back and forth sliding of the limit frame 1402, the entire support plate 9 can be driven to slide back and forth along the installation direction of the second support slide rod 10, thereby driving the rubber solid compaction wheel 6 to compact the asphalt material below back and forth.

[0027] Working principle: In use, the sliding groove 503 is inserted into the fixed groove 501. Then, asphalt material is injected into the semi-enclosed space formed by the sliding groove 503 and the fixed groove 501 for cooling and shaping. The rolling position of the rubber solid roller 6 on the asphalt material is then adjusted by the adjusting component 7. Rotating the handwheel 704 drives the lead screw 705 to rotate. Controlling the rotation of the lead screw 705 drives the sliding plate 702 to slide along the installation direction of the sliding plate 702 and the first support slide rod 703. Controlling the sliding plate 702 within the fixed frame 701 synchronously moves the cylinder 12. Controlling the movement of the cylinder 12 adjusts the rolling position of the rubber solid roller 6 on the asphalt material placed inside the material container component 5. Finally, controlling the extension of the output end of the cylinder 12 drives the rubber solid roller 6 downwards. The movement of the solid rubber roller 6 compresses the asphalt material placed below. When the asphalt material is compressed, the displacement sensor 3 will move. The displacement sensor 3 can detect the displacement information generated when the asphalt material is repeatedly rolled, thereby determining the degree of deformation of the asphalt material. During reciprocating rolling, the rotation of the output end of the motor 1406 can drive the half-tooth gear 1404 to rotate. The rotation of the half-tooth gear 1404 can drive the rack slider 1403 to slide back and forth inside the mounting housing 1401. The limit frame 1402 will move back and forth synchronously with the movement of the rack slider 1403. By controlling the back and forth sliding of the limit frame 1402, the entire support plate 9 can be driven to slide back and forth along the installation direction of the second support slide rod 10, thereby driving the solid rubber roller 6 to roll the asphalt material below back and forth.

[0028] It should be noted that, in this document, relational terms such as "first" and "second" are used only to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Furthermore, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such process, method, article, or apparatus.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic measuring device for rutting tests of asphalt mixtures, comprising a device base (1), characterized in that: A side plate (11) is provided on one side of the top of the equipment base (1). Two second support slide rods (10) are fixed between the inner walls of the two sides of the side plate (11). A support plate (9) is slidably sleeved on the outer side of the two second support slide rods (10). An adjustment component (7) is fixed on the top of the support plate (9). A cylinder (12) is installed below the adjustment component (7). A solid rubber rolling wheel (6) is fixed at the output end of the cylinder (12). A displacement sensor (3) is installed on the top of the equipment base (1). A material container assembly (5) is fixed on the top of the displacement sensor (3). A control panel (4) is installed on one side of the equipment base (1). A first through groove (8) is opened on one side of the side plate (11). A control rod (13) is welded on one side of the support plate (9). A drive assembly (14) is fixed on one side of the side plate (11). The drive assembly (14) and the control rod (13) are used together.

2. The automatic measuring device for asphalt mixture rut test according to claim 1, characterized in that: The bottom of the equipment base (1) is welded with four support legs (2), and the four support legs (2) are located at the four corners of the bottom of the equipment base (1).

3. The automatic measuring device for asphalt mixture rut test according to claim 1, characterized in that: The material container assembly (5) includes a fixed groove (501) and a sliding groove (503), and a limiting installation groove (502) is provided on the inner wall of both sides of the fixed groove (501), and a threaded groove (504) is provided on both sides of the fixed groove (501).

4. The automatic measuring device for asphalt mixture rut test according to claim 3, characterized in that: A limiting plate (505) is welded to one side of the sliding groove (503), and a limiting insert plate (507) is welded to each side of the sliding groove (503).

5. An apparatus for automatic measurement of asphalt mixture rut test according to claim 4, characterized in that: The limiting plate (505) has a threaded rod (506) connected to each side by a threaded engagement, and the threaded rod (506) is connected to the threaded groove (504) by a threaded engagement.

6. The automatic measuring device for asphalt mixture rut test according to claim 1, characterized in that: The adjustment assembly (7) includes a fixed frame (701), and a lead screw (705) is installed inside the fixed frame (701) via a bearing. A sliding plate (702) is connected to the outside of the lead screw (705) via a threaded engagement. A first support slide rod (703) is fixed to each of the two sides inside the fixed frame (701). The inside of the two sides of the sliding plate (702) is slidably sleeved on the outside of the first support slide rod (703). The bottom of the sliding plate (702) is connected to the top of the cylinder (12) via a flange.

7. An apparatus for automatic measurement of asphalt mixture rut test according to claim 6, characterized in that: A handwheel (704) is rotatably mounted on one side of the fixed frame (701), and the output end of the handwheel (704) is fixedly connected to one end of the lead screw (705).

8. The automatic measuring device for asphalt mixture rut test according to claim 1, characterized in that: The drive assembly (14) includes a mounting housing (1401) and a limiting frame (1402). A motor (1406) is fixed to one side of the mounting housing (1401) by bolts. Two limiting grooves (1405) are opened on the inner wall of the mounting housing (1401). A rack and pinion slider (1403) is slidably installed inside the two limiting grooves (1405). The rack and pinion slider (1403) is slidably installed inside the mounting housing (1401).

9. An apparatus for automatic measurement of asphalt mixture rut test according to claim 8, characterized in that: A half-tooth gear (1404) is rotatably mounted inside the mounting housing (1401), and the half-tooth gear (1404) is connected to the rack slider (1403) through tooth meshing. The output end of the motor (1406) extends into the mounting housing (1401) and is fixedly connected to one end of the half-tooth gear (1404).

10. The apparatus according to claim 9, wherein: The top of the rack slider (1403) is welded with a limit frame (1402), and the top of the mounting housing (1401) is provided with a second through groove (1407).

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