Device for detecting high-temperature resistance of asphalt on asphalt pavement
By combining heating lamps and gear mechanisms in the asphalt pavement high-temperature resistance performance testing device, asphalt testing under sloping pavement conditions has been achieved, solving the problem of inaccurate test results in existing devices and improving the comprehensiveness and accuracy of the test.
Patent Information
- Application Number
- CN202422991793.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-05
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-05
AI Technical Summary
Existing asphalt pavement high-temperature resistance testing devices suffer from inaccurate performance evaluations due to the asphalt's fluidity affecting test results when testing under simulated inclined pavement conditions.
A device for testing the high-temperature resistance of asphalt pavement was designed. The device uses a heating lamp to simulate sunlight heating the asphalt, and a support frame and gear mechanism to tilt the receiving frame to simulate the upslope and downslope of the road surface. At the same time, the rollers contact the asphalt to simulate the wheel pressure, thus achieving a more comprehensive test.
It improves the accuracy and comprehensiveness of high-temperature performance testing for asphalt pavements, enabling more realistic simulation of actual pavement conditions and providing more reliable test results.
Smart Images

Figure CN223611431U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bitumen detection technical field, concretely relates to bitumen pavement bitumen high temperature resistance performance detection device. BACKGROUND
[0002] The high temperature resistance performance of bitumen pavement mainly refers to the ability of bituminous mixture to resist permanent deformation; when the mix proportion of bituminous concrete is designed, the high temperature resistance performance detection device is needed to carry out the high temperature resistance performance test on the test block of corresponding mix proportion, so as to ensure that the bitumen pavement in actual use has good stability and durability.
[0003] In the prior art, part of bitumen is placed in the inside of the receiving frame, then the heating lamp in the box is turned on to simulate sunlight to irradiate the bitumen in the inside of the receiving frame, and a set of rollers is arranged in the inside of the box and contacts the bitumen to test the compression resistance of bitumen under high temperature. This operation is convenient and fast, but in actual use, the inclined road surface and the horizontal road surface are different in stress direction when being rolled by wheels, and the dispersion effect of pressure is different. When the bitumen starts to melt under high temperature, if the bitumen pavement is inclined, the bitumen will flow slightly, which will affect the performance of the bitumen pavement.
[0004] Therefore, it is particularly important to improve the existing bitumen pavement bitumen high temperature resistance performance detection device, design a new type of bitumen pavement bitumen high temperature resistance performance detection device to solve the above technical defects and improve the practicability of the overall bitumen pavement bitumen high temperature resistance performance detection device. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing bitumen pavement bitumen high temperature resistance performance detection device, through heating lamp simulation sunlight, to bitumen carries out high temperature test, inclines receiving frame simultaneously, realizes the detection result is more comprehensive and perfect, to solve the problem raised in the above background art.
[0006] To achieve the above object, the utility model provides the following technical scheme:
[0007] Bitumen pavement bitumen high temperature resistance performance detection device, including the box, the front of the box is hinged with the box door, the outside of the box door is fixedly connected with the view window, the middle of the outside of the box door is fixedly connected with the handle, the outside of the handle is equipped with the antiskid line, the side fixedly connected with the heating plate of the box door is away from the handle, the inside wall of the box is fixedly connected with the support column, one end of the support column is fixedly connected with the support frame, the bottom of the support frame is fixedly connected with the square frame, the top of the side of the square frame is fixedly connected with the mounting seat, the inside of the mounting seat is rotatably connected with the pivot, one end of the pivot is fixedly connected with the receiving frame.
[0008] As the preferred scheme of the utility model, the top of the support frame is fixedly connected with a guide seat, a rotating shaft is rotatably connected in the guide seat, an oscillating rod is fixedly connected to the middle of the rotating shaft, and a half gear is fixedly connected to the end of the rotating shaft away from the guide seat.
[0009] As the preferred scheme of the utility model, the bottom end of the inner side of the support frame is rotatably connected with a rotating disc, the rotating disc is fixedly connected with a connecting shaft, the connecting shaft is fixedly connected with a linkage rod, and the linkage rod is fixedly connected with a limiting block.
[0010] As the preferred scheme of the utility model, the inside of the oscillating rod is provided with a waist groove, the limiting block extends into the waist groove, and the end of the rotating shaft away from the receiving frame is fixedly connected with a driven gear.
[0011] As the preferred scheme of the utility model, the top end of the inner side of the box is fixedly connected with an extension rod, the output end of the extension rod is rotatably connected with a cover plate, the top end of the inner side of the box and on both sides of the extension rod are fixedly connected with limiting rods, and the limiting rods extend into the inside of the cover plate.
[0012] As the preferred scheme of the utility model, the both ends of the bottom of the cover plate are fixedly connected with supports, the middle of the inside of the support is rotatably connected with a threaded rod, the outside of the threaded rod is threadedly connected with a connecting block, the inside of the support and on both ends of the support are fixedly connected with fixed rods, and the fixed rods extend into the inside of the connecting block.
[0013] As the preferred scheme of the utility model, the bottom of the connecting block is fixedly connected with a frame, the inside of the frame is slidably connected with a moving plate, the top end of the inner side of the moving plate is threadedly connected with a lead screw, and the frame and the moving plate are rotatably connected with a roller.
[0014] Compared with the prior art, the utility model has the advantages that:
[0015] 1. In the utility model, the asphalt is laid in the inside of the receiving frame, the heating plate simulates sunlight, the visual window can directly observe the asphalt in the high-temperature state, the limiting block extrudes the waist groove, then the oscillating rod generates a pushing force, the oscillating rod swings, the half gear and the driven gear are meshed, the receiving frame is inclined, and the uphill and downhill of the road surface are simulated.
[0016] 2. In the utility model, the extension rod is started to realize the descending of the cover plate, the distance between the cover plate and the receiving frame is conveniently adjusted, the connecting block does linear motion on the outside of the threaded rod, then the roller is driven to contact the asphalt, the road surface resistance is simulated, when the receiving frame is inclined, the cover plate slides along the limiting rod under the gravity, drives the roller to be inclined synchronously, and the roller is always in contact with the asphalt. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 It is the whole structure schematic view of the utility model;
[0018] Figure 2 It is the whole internal structure schematic view of the utility model;
[0019] Figure 3 It is the structure schematic view of the utility model bearing frame;
[0020] Figure 4 It is the structure schematic view of the utility model half gear;
[0021] Figure 5 It is the structure schematic view of the utility model cover plate;
[0022] Figure 6 It is the structure schematic view of the utility model roller.
[0023] In the figure: 1, box; 2, box door; 3, visible window; 4, handle; 5, support frame; 6, square frame; 7, pivot; 8, bearing frame; 9, guide seat; 10, swing bar; 11, half gear; 12, turntable; 13, linkage rod; 14, limit block; 15, waist groove; 16, driven gear; 17, telescopic rod; 18, cover plate; 19, support; 20, threaded rod; 21, connecting block; 22, frame; 23, moving plate; 24, roller. DETAILED DESCRIPTION
[0024] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the embodiments of the utility model, obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, based on the embodiments in the utility model, all other embodiments obtained by the ordinary skill in the art without doing creative work belong to the scope of protection of the utility model.
[0025] Embodiment:
[0026] Please refer to Figures 1-6 The utility model provides a technical scheme:
[0027] The device for detecting the high-temperature resistance of asphalt on asphalt pavement comprises a box body 1, a box door 2 hinged to the front of the box body 1, a visual window 3 fixedly connected to the outside of the box door 2, a handle 4 fixedly connected to the middle of the outside of the box door 2, anti-slip lines formed on the outside of the handle 4, a heating plate fixedly connected to the side of the box door 2 away from the handle 4, a support column fixedly connected to the inner side wall of the box body 1, a support frame 5 fixedly connected to one end of the support column, a square frame 6 fixedly connected to the bottom of the support frame 5, a mounting seat fixedly connected to the top of the side of the square frame 6 away from the support frame 5, a rotating shaft 7 rotatably connected to the inside of the mounting seat, an accommodating frame 8 fixedly connected to one end of the rotating shaft 7, and the box body 1 is placed at a specified position, then the heating plate is turned on, heat is emitted by the heating plate, the heat emitted by the heating plate simulates sunlight, and the asphalt is paved in the inside of the accommodating frame 8, the heat directly heats the asphalt, and the visual window 3 can be directly used for observing the asphalt in the high-temperature state.
[0028] Further, in the embodiment, a guide seat 9 is fixedly connected to the top of the support frame 5, a plug shaft is rotatably connected to the inside of the guide seat 9, a swing rod 10 is fixedly connected to the middle of the outside of the plug shaft, a half-type gear 11 is fixedly connected to one end of the plug shaft away from the guide seat 9, the plug shaft is rotated to realize the circular rotation of the plug shaft in the inside of the guide seat 9, and then the swing rod 10 is synchronously rotated with the half-type gear 11.
[0029] Further, in the embodiment, a rotating disc 12 is rotatably connected to the bottom end of the inside of the support frame 5, a connecting shaft is fixedly connected to the inside of the rotating disc 12, a linkage rod 13 is fixedly connected to the outside of the connecting shaft, a limiting block 14 is fixedly connected to the outside of the linkage rod 13, the rotating disc 12 is connected to an external power source to realize the rotation of the rotating disc 12 and the connecting shaft, then the linkage rod 13 is rotated with the connecting shaft and drives the limiting block 14 to swing.
[0030] Further, in the embodiment, a waist groove 15 is formed in the inside of the swing rod 10, the limiting block 14 extends into the inside of the waist groove 15, a driven gear 16 is fixedly connected to one end of the rotating shaft 7 away from the accommodating frame 8, the limiting block 14 is extruded to the waist groove 15 when the limiting block 14 swings, then the swing rod 10 generates a pushing force to realize the swing of the swing rod 10, the half-type gear 11 and the driven gear 16 are meshed with each other, and then the accommodating frame 8 is inclined to simulate the uphill and downhill of the road surface.
[0031] Further, in the embodiment, the top end of the inside of the box 1 is fixedly connected with a telescopic rod 17, the output end of the telescopic rod 17 is rotatably connected with a cover plate 18, the top end of the inside of the box 1 and located on both sides of the telescopic rod 17 is fixedly connected with a limiting rod, the limiting rod extends to the inside of the cover plate 18, the cover plate 18 is lowered by starting the telescopic rod 17, the distance between the cover plate 18 and the receiving frame 8 is conveniently adjusted, and when the cover plate 18 is inclined, the cover plate 18 also slides along the limiting rod, so that the cover plate 18 does not rotate when it is inclined.
[0032] Further, in the embodiment, the two ends of the bottom of the cover plate 18 are fixedly connected with a support 19, the middle of the inside of the support 19 is rotatably connected with a threaded rod 20, the outside of the threaded rod 20 is threadedly connected with a connecting block 21, the inside of the support 19 and located at both ends of the support 19 is fixedly connected with a fixed rod, the fixed rod extends to the inside of the connecting block 21, the bottom of the connecting block 21 is fixedly connected with a frame 22, the inside of the frame 22 is slidably connected with a moving plate 23, the top end of the inside of the moving plate 23 is threadedly connected with a screw rod, the frame 22 and the moving plate 23 are rotatably connected with a roller 24, the receiving frame 8 is swung to an inclined state, then the asphalt is simulated to be inclined, then the motor is placed in the inside of the support 19, the output end of the motor is connected with the threaded rod 20, the connecting block 21 spirally moves on the outside of the threaded rod 20, at the same time, the fixed rod limits both ends of the connecting block 21, so that the connecting block 21 linearly moves on the outside of the threaded rod 20, then drives the roller 24 to contact the asphalt, simulates the road surface resistance, then when the receiving frame 8 is inclined, the cover plate 18 drives the roller 24 to be inclined synchronously, so that the roller 24 always contacts the asphalt, the distance between the frame 22 and the moving plate 23 can be adjusted by rotating the screw rod, so that the roller 24 of different sizes is conveniently installed.
[0033] In this embodiment, the implementation scene is specifically: through the asphalt laid in the inside of the receiving frame 8, through the heat emitted by the heating plate simulates sunlight, heat will be directly on the asphalt heating, through the visual window 3 can be directly on the asphalt in high temperature observation, through the rotating disc 12 and the outside power supply is connected, realize rotating disc 12 drive connecting shaft rotates, then linkage rod 13 follow connecting shaft rotates, and drive the limit block 14 swing, will extrude the waist groove 15, then realize swing rod 10 generates the propulsive force, realize swing rod 10 swing, in turn realize the shaft rotation, then swing rod 10 and half type gear 11 synchronous rotation, finally half type gear 11 and driven gear 16 intermesh, in turn realize receiving frame 8 occurs oblique, simulate the ups and downs of the road surface, through the start telescopic rod 17 realize the cover plate 18 down, convenient adjustment cover plate 18 and the distance between receiving frame 8, the output end of the motor and the threaded rod 20 is connected, realize the connecting block 21 in the outside of the threaded rod 20 spiral forward, at the same time the fixed rod will the both ends of the connecting block 21 limit, make the connecting block 21 in the outside of the threaded rod 20 do linear motion, in turn drive the roller 24 and asphalt contact, simulate the compressive strength of the road surface, and when receiving frame 8 is inclined, the cover plate 18 is subjected to the gravity of the frame 22, will along the limit rod slide, drive the roller 24 synchronous inclination, make the roller 24 always with asphalt contact, through the rotating screw can frame 22 and the distance between the moving plate 23, convenient installation different size roller 24.
[0034] Although the embodiments of the present application have been shown and described, it is to be understood that for the purpose of the present application, the embodiments can be changed, modified, replaced and transformed in various ways without departing from the principles and spirit of the present application, and the scope of the present application is defined by the appended claims and their equivalents.
Claims
1. The device for detecting the high temperature resistance of asphalt pavement asphalt, comprising a box (1), characterized in that: The front of the box (1) is hinged with a box door (2), the outside of the box door (2) is fixedly connected with a viewing window (3), the outside of the box door (2) is fixedly connected with a handle (4), the outside of the handle (4) is provided with anti-skid lines, the side of the box door (2) away from the handle (4) is fixedly connected with a heating plate, the inside wall of the box (1) is fixedly connected with a support column, one end of the support column is fixedly connected with a support frame (5), the bottom of the support frame (5) is fixedly connected with a square frame (6), the top of the side of the square frame (6) away from the support frame (5) is fixedly connected with a mounting seat, the inside of the mounting seat is rotatably connected with a rotating shaft (7), one end of the rotating shaft (7) is fixedly connected with a receiving frame (8).
2. The asphalt pavement asphalt high temperature resistance performance detection device according to claim 1, characterized in that: The top of the support frame (5) is fixedly connected with a guide seat (9), the inside of the guide seat (9) is rotatably connected with a plug shaft, the middle of the outside of the plug shaft is fixedly connected with an oscillating rod (10), one end of the plug shaft away from the guide seat (9) is fixedly connected with a half gear (11).
3. The asphalt pavement asphalt high temperature resistance performance detection device according to claim 2, characterized in that: The bottom end of the inside of the support frame (5) is rotatably connected with a rotating disc (12), the inside of the rotating disc (12) is fixedly connected with a connecting shaft, the outside of the connecting shaft is fixedly connected with a linkage rod (13), the outside of the linkage rod (13) is fixedly connected with a limiting block (14).
4. The asphalt pavement asphalt high temperature resistance performance detection device according to claim 3, characterized in that: The inside of the oscillating rod (10) is provided with a waist groove (15), the limiting block (14) extends to the inside of the waist groove (15), one end of the rotating shaft (7) away from the receiving frame (8) is fixedly connected with a driven gear (16).
5. The asphalt pavement asphalt high temperature resistance performance detection device according to claim 1, characterized in that: The top end of the inside of the box (1) is fixedly connected with a telescopic rod (17), the output end of the telescopic rod (17) is rotatably connected with a cover plate (18), the top end of the inside of the box (1) and located on both sides of the telescopic rod (17) are fixedly connected with limiting rods, the limiting rods extend to the inside of the cover plate (18).
6. The asphalt pavement asphalt high temperature resistance performance detection device according to claim 5, characterized in that: Both ends of the bottom of the cover plate (18) are fixedly connected with supports (19), the middle of the inside of the support (19) is rotatably connected with a threaded rod (20), the outside of the threaded rod (20) is threadedly connected with a connecting block (21), the inside of the support (19) and located at both ends of the support (19) is fixedly connected with fixed rods, the fixed rods extend to the inside of the connecting block (21).
7. The asphalt pavement asphalt high temperature resistance performance detection device according to claim 6, characterized in that: The bottom of the connecting block (21) is fixedly connected with a frame (22), the inside of the frame (22) is slidably connected with a moving plate (23), the top end of the inside of the moving plate (23) is threadedly connected with a lead screw, the frame (22) and the moving plate (23) are rotatably connected with a roller (24).