Asphalt cold patch mixture performance testing device

By designing quick-release components and a limiting ring structure, combined with the mixing, extrusion, and shoveling functions driven by cylinders and motors, the problem of difficult replacement and cleaning of test plates in cold-mix asphalt mixture performance testing devices has been solved, thus improving testing efficiency and accuracy.

CN223711376UActive Publication Date: 2025-12-23HUBEI PROVINCE FREEWAY IND DEV
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Patent Information

Application Number
CN202422263088.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2024-09-03
Filing Date
2024-09-14
Publication Date
2025-12-23
Estimated Expiration
2034-09-14

AI Technical Summary

Technical Problem

In the existing technology, the performance testing device for cold-mixed asphalt mixtures cannot quickly replace the test plate, making it difficult to clean the residual asphalt after the test, which affects the subsequent test results.

Method used

A performance testing device for asphalt cold patch mixture was designed. The device enables quick replacement and cleaning of the test plate through quick-release parts and a limiting ring structure. It utilizes cylinders and motors to drive the mixing, extrusion, and shoveling functions, and combines pressure sensors to perform performance testing.

Benefits of technology

It enables rapid replacement and cleaning of test boards, improving testing efficiency and accuracy, and ensuring the reliability of test results.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223711376U_ABST
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Abstract

The utility model relates to an asphalt cold patch mixture performance testing device which comprises a frame body and a driving plate arranged in the frame body, the top of the driving plate is provided with a testing plate through a quick release part, an asphalt cold patch mixture needing to be subjected to performance testing is placed on the testing plate, the first air cylinder is started to drive the second motor and the stirring paddle to move downwards, the second motor is started to drive the stirring paddle to rotate to stir asphalt, and the torque of the second motor detected each time is the same; whether mixing is convenient and whether or not the mixture has or hardly agglomerates is observed, so that the low-temperature working performance of the cold patch asphalt mixture is judged, after stirring detection is completed, a first motor is started to drive a threaded rod to rotate, a driving plate and a testing plate are moved to a next station, four knob parts are rotated to drive mounting bolts to rotate, and the stirring detection is completed. The mounting bolts are separated from the threaded grooves, so that the driving plate can be separated from the test plate, and the test plate can be conveniently replaced and cleaned.
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Description

TECHNICAL FIELD

[0001] The utility model relates to bitumen performance test equipment technical field, concretely is a kind of bitumen cold patch mixture performance testing device. BACKGROUND

[0002] Cold repair, cold patch asphalt mixture repair technology is a kind of new technology for repairing pavement at normal temperature, even cold and humid environment, can be used all-weather, full-time, not affected by low temperature, rain and snow and other weather, with timely repair, construction speed and other advantages, current cold patch asphalt mixture repairs pavement mainly premixes bitumen mixture at normal temperature or medium temperature in advance, stores by bagging or stacking, when finding that there is pothole on pavement, take material and transport to site at any time, carries out pavement repair at normal temperature or low temperature, does not need secondary heating, in prior art, the performance test of cold patch asphalt mixture is relatively single, lacks multi-index test mode, leading to that test data is not comprehensive enough, for the placing table used for carrying out bitumen test, cannot be replaced quickly, leading to that after testing, bitumen remaining on placing table is difficult to disassemble and clean and replace, leading to that subsequent test test causes certain influence.

[0003] For example, the authorized patent document of asphalt mixture fatigue performance testing device with application No. CN202220526837. X discloses a kind of, including test table, the top plate is arranged above the test table, the downside of the top plate is provided with connecting plate, the downside of the connecting plate is provided with moving mechanism, the drive end of the moving mechanism is connected with telescopic mechanism, the drive end of the telescopic mechanism is connected with bottom plate, the downside of the bottom plate is connected with adjusting mechanism, the adjusting mechanism is provided with roller, a pair of side edges of test table is respectively provided with fixed mechanism. The asphalt mixture fatigue performance testing device, solve the size and weight of the existing test equipment cannot be adjusted roller.

[0004] The above patent is that for the placing table used for carrying out bitumen test, cannot be replaced quickly, leading to that after testing, bitumen remaining on placing table is difficult to disassemble and clean and replace, therefore we need to provide a kind of bitumen cold patch mixture performance testing device. UTILITY MODEL CONTENT

[0005] The utility model discloses a purpose lies in providing a kind of asphalt cold patch mixture performance testing device, by the asphalt cold patch mixture of needing to test performance is placed on test plate, start first air cylinder drives second motor and stirring paddle and move down, and start second motor drives stirring paddle rotation and mixes asphalt, the torque of second motor is same amount each time, whether it is convenient to observe mixing, there is no or little condensation agglomerate phenomenon, to judge the low-temperature working performance of cold patch asphalt mixture, after completing stirring detection, start first motor and drive screw rod rotation, move driving plate and test plate to next station, and rotate four knob parts and drive mounting bolt rotation, so that mounting bolt is separated from threaded groove, to separate driving plate and test plate, it is convenient to replace clean test plate, it is also convenient to clean test plate, start second motor and drive pressure plate and move down, extrude asphalt, and pressure sensor is installed on pressure plate, observe asphalt deformation amount, and pressure value is fed back to operating screen, after testing, replace test plate again, start two third air cylinders and shovel off asphalt mixture on test plate, and shovel off plate pressure sensor feeds back value to operating screen, to detect the adhesion of mixture, to avoid that mounting bolt is separated from driving plate, limit ring is installed on the surface of mounting bolt, and circular groove is set in driving plate for limit ring movement, solve the problem presented in the above background art.

[0006] To achieve the above object, the utility model provides the following technical scheme: an asphalt cold patch mixture performance testing device, comprising:

[0007] Frame body;

[0008] And driving plate is arranged in the frame body interior;

[0009] The top of the driving plate is equipped with test plate through quick release spare;

[0010] The top of the frame body is equipped with detection spare for testing asphalt cold patch mixture on test plate;

[0011] The quick release spare includes four mounting bolts slidingly installed in the driving plate interior, the bottom of the test plate is equipped with threaded groove compatible with four mounting bolts, and the surface of four mounting bolts is equipped with anti-drop spare, and the bottom of four mounting bolts is fixedly installed with knob part.

[0012] Preferably, the anti-drop spare includes limit ring fixedly installed on the surface of the mounting bolt, and the inside of the driving plate is equipped with circular groove for limit ring movement.

[0013] Preferably, it further includes driving spare for test plate movement adjustment, and the driving spare includes screw rod rotationally installed in the frame body interior, one end of the screw rod is installed with first motor, the bottom of the driving plate is fixedly installed with driving seat, and the inside of the driving seat is screw-threaded with the surface of the screw rod.

[0014] Preferably, the two sides of the bottom of the driving plate are fixedly provided with guide seats, and the two guide seats are slidably provided with slide rods, and the two slide rods are fixedly arranged in the frame.

[0015] Preferably, the two sides of the bottom of the test plate are fixedly provided with slide rails with sliding grooves, and the sliding grooves of the two slide rails are slidably arranged on the top of the frame.

[0016] Preferably, the detection member comprises a frame fixedly arranged on the top of the frame, and the frame is internally embedded with a first air cylinder, a second air cylinder and two third air cylinders, the lower end of the first air cylinder is fixedly provided with a second motor, the output end of the second motor is provided with a stirring paddle, the lower end of the second air cylinder is fixedly provided with a pressing disc, and one end of the two third air cylinders is fixedly provided with a scraping plate.

[0017] Preferably, the surfaces of the pressing disc and the scraping plate are provided with pressure sensors, and the surface of the frame is provided with an operation screen electrically connected with the two pressure sensors.

[0018] Preferably, the bottom of the frame is provided with a plurality of discharge grooves.

[0019] Compared with the prior art, the beneficial effects of the utility model are:

[0020] The utility model discloses four knob parts are rotated to drive mounting bolt to rotate, make mounting bolt and thread groove separate, thereby can separate driving plate and test plate, it is convenient to replace clean test plate, also convenient to clean test plate. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is the structure three-dimensional view of the utility model;

[0022] Figure 2 It is the local structure three-dimensional view of the utility model;

[0023] Figure 3 It is the stirring paddle three-dimensional view of the utility model;

[0024] Figure 4 It is the driving piece three-dimensional view of the utility model;

[0025] Figure 5 It is the anti-drop piece three-dimensional view of the utility model.

[0026] In the figure: 1, frame; 2, drive plate; 3, quick release; 31, mounting bolt; 32, threaded groove; 30, anti-drop piece; 301, limiting ring; 302, circular groove; 4, test plate; 5, detection piece; 51, frame; 52, first cylinder; 53, second cylinder; 54, third cylinder; 55, second motor; 56, stirring paddle; 57, extrusion disc; 58, shovel plate; 6, drive piece; 61, threaded rod; 62, first motor; 63, drive seat; 7, guide seat; 8, slide rod; 9, slide rail; 10, pressure sensor; 11, operation screen; 12, discharge chute. DETAILED DESCRIPTION

[0027] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Please refer to Figures 1-5 The present application provides a technical solution: an asphalt cold patch mixture performance testing device, comprising: a frame 1; and a drive plate 2 arranged inside the frame 1; a test plate 4 is mounted on the top of the drive plate 2 through a quick release 3.

[0029] In further preferred embodiments, the quick release 3 comprises four mounting bolts 31 slidingly mounted inside the drive plate 2, the bottom of the test plate 4 is provided with threaded grooves 32 adapted to the four mounting bolts 31, and the surface of each of the four mounting bolts 31 is provided with an anti-drop piece 30, and the bottom of each of the four mounting bolts 31 is fixedly provided with a knob portion.

[0030] In further preferred embodiments, the anti-drop piece 30 comprises a limiting ring 301 fixedly mounted on the surface of the mounting bolt 31, and the inside of the drive plate 2 is provided with a circular groove 302 for the movement of the limiting ring 301.

[0031] In the embodiment, the asphalt cold patch mixture to be tested for performance is placed on the test plate 4, the first air cylinder 52 is started to drive the second motor 55 and the stirring paddle 56 to move downward, and the second motor 55 is started to drive the stirring paddle 56 to rotate to stir the asphalt. The torque of the second motor 55 is the same each time, and whether the stirring is convenient and whether the mixture has or has little agglomeration is observed, so as to judge the low-temperature working performance of the cold patch asphalt mixture. After the stirring detection is completed, the first motor 62 is started to drive the threaded rod 61 to rotate, the driving plate 2 and the test plate 4 are moved to the next station, and the four knob parts are rotated to drive the mounting bolts 31 to rotate, so that the mounting bolts 31 are separated from the threaded grooves 32, thereby the driving plate 2 and the test plate 4 can be separated, which is convenient for replacing the clean test plate 4 and cleaning the test plate 4. The second motor 55 is started to drive the pressure plate to move downward to extrude the asphalt, and the pressure sensor 10 is installed on the pressure plate to observe the deformation amount of the asphalt and feed back the pressure value to the operation screen 11. After the test is completed, the test plate 4 is replaced again, and the two third air cylinders 54 are started to shovel off the asphalt mixture on the test plate 4. The pressure sensor 10 on the shoveling plate 58 feeds back the value to the operation screen 11, so as to detect the adhesion of the mixture. In order to avoid that the mounting bolts 31 are separated from the driving plate 2, the limiting ring 301 is installed on the surface of the mounting bolt 31, and the circular groove 302 is arranged in the driving plate 2 for the movement of the limiting ring 301.

[0032] The driving part 6 for moving and adjusting the test plate 4 is further included. The driving part 6 includes the threaded rod 61 rotatably installed in the frame 1. One end of the threaded rod 61 is provided with the first motor 62. The bottom of the driving plate 2 is fixedly provided with the driving seat 63. The inside of the driving seat 63 is threadedly connected with the surface of the threaded rod 61.

[0033] Specifically, the first motor 62 is started to drive the threaded rod 61 to rotate, so as to move the driving plate 2 and the test plate 4 to the next station.

[0034] The guiding seats 7 are fixedly installed on both sides of the bottom of the driving plate 2. The sliding rods 8 are slidably installed in the inside of the two guiding seats 7. The two sliding rods 8 are fixedly installed in the inside of the frame 1.

[0035] Further, the movement of the driving plate 2 drives the guiding seats 7 to slide on the sliding rods 8, so as to enhance the stability of the movement of the driving plate 2.

[0036] The sliding rails 9 with sliding grooves are fixedly installed on both sides of the bottom of the test plate 4. The sliding grooves at the bottom of the two sliding rails 9 are slidably installed on the top of the frame 1.

[0037] The two sliding rails 9 at the bottom of the test plate 4 are slidably installed on the top of the frame 1, which also plays a role of positioning and guiding in the installation of the test plate 4.

[0038] Further preferably, the detecting member 5 comprises a frame 51 fixedly installed on the top of the frame body 1, the frame 51 is internally embedded with a first air cylinder 52, a second air cylinder 53 and two third air cylinders 54, the lower end of the first air cylinder 52 is fixedly installed with a second motor 55, the output end of the second motor 55 is installed with a stirring paddle 56, the lower end of the second air cylinder 53 is fixedly installed with a pressing disc 57, and one end of the two third air cylinders 54 is fixedly installed with a scraping plate 58;

[0039] Specifically, the first motor 62 is started to drive the threaded rod 61 to rotate, the driving plate 2 and the test plate 4 are moved to the next station, four knob parts are rotated to drive the mounting bolt 31 to rotate, the mounting bolt 31 is separated from the threaded groove 32, so that the driving plate 2 and the test plate 4 can be separated, clean test plates 4 are convenient to replace, the test plates 4 are convenient to clean, the second motor 55 is started to drive the pressing disc to move downward to extrude the asphalt, the pressing disc is installed with the pressure sensor 10, the asphalt deformation amount is observed, and the pressure value is fed back to the operation screen 11, the test plate 4 is replaced again after the test is completed, the two third air cylinders 54 are started to scrape the asphalt mixture on the test plate 4, the pressure sensor 10 on the scraping plate 58 feeds back the value to the operation screen 11, so that the adhesion of the mixture is detected.

[0040] The surfaces of the pressing disc 57 and the scraping plate 58 are installed with the pressure sensor 10, and the surface of the frame 51 is installed with the operation screen 11 electrically connected with the two pressure sensors 10;

[0041] The pressure sensor 10 on the scraping plate 58 feeds back the value to the operation screen 11, so that the adhesion of the mixture is detected, the pressing disc is installed with the pressure sensor 10, the asphalt deformation amount is observed, and the pressure value is fed back to the operation screen 11.

[0042] In order to conveniently discharge sundries in the frame body 1, a plurality of discharge grooves 12 are formed in the bottom of the frame body 1.

[0043] The device places the asphalt cold patch mixture needing to test performance on the test plate 4, starts the first cylinder 52 to drive the second motor 55 and the stirring paddle 56 to move downward, and starts the second motor 55 to drive the stirring paddle 56 to rotate to stir the asphalt, the torque of the second motor 55 is the same each time, whether the stirring is convenient or not is observed, whether the mixture has or has little agglomeration phenomenon, so as to judge the low temperature working performance of the cold patch asphalt mixture, after the stirring detection is completed, the first motor 62 is started to drive the threaded rod 61 to rotate, the driving plate 2 and the test plate 4 are moved to the next station, and the four knob parts are rotated to drive the mounting bolt 31 to rotate, so that the mounting bolt 31 is separated from the threaded groove 32, so that the driving plate 2 and the test plate 4 can be separated, which is convenient for replacing the clean test plate 4 and cleaning the test plate 4, the second motor 55 is started to drive the pressing plate to move downward, the asphalt is extruded, the pressure sensor 10 is installed on the pressing plate, the asphalt deformation amount is observed, and the pressure value is fed back to the operation screen 11, the test plate 4 is replaced again after the test is completed, the two third cylinders 54 are started to shovel the asphalt mixture on the test plate 4, the pressure sensor 10 on the shoveling plate 58 feeds back the value to the operation screen 11, so as to detect the adhesion of the mixture, in order to avoid that the mounting bolt 31 is separated from the driving plate 2, the limiting ring 301 is installed on the surface of the mounting bolt 31, and the circular groove 302 is arranged in the driving plate 2 for the movement of the limiting ring 301.

[0044] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A device for testing the performance of asphalt cold patch mixtures, characterized in that, include: Frame (1); and the drive plate (2) set inside the frame (1); The test board (4) is mounted on the top of the drive board (2) via a quick-release piece (3); The top of the frame (1) is equipped with a test piece (5) for testing asphalt cold patch mixture on the test plate (4).

2. The asphalt cold patching mixture performance testing device according to claim 1, characterized in that: The quick-release component (3) includes four mounting bolts (31) that are slidably installed inside the drive plate (2). The bottom of the test plate (4) is provided with threaded grooves (32) that are compatible with the four mounting bolts (31). Anti-dislodgement components (30) are installed on the surface of each of the four mounting bolts (31). A knob is fixedly installed on the bottom of each of the four mounting bolts (31).

3. The asphalt cold patching mixture performance testing device according to claim 2, characterized in that: The anti-detachment component (30) includes a limiting ring (301) fixedly installed on the surface of the mounting bolt (31), and the drive plate (2) has a circular groove (302) for the movement of the limiting ring (301).

4. The asphalt cold patching mixture performance testing device according to claim 2, characterized in that: It also includes a drive unit (6) for adjusting the movement of the test plate (4), the drive unit (6) including a threaded rod (61) rotatably mounted inside the frame (1), a first motor (62) mounted at one end of the threaded rod (61), and a drive seat (63) fixedly mounted at the bottom of the drive plate (2), the interior of the drive seat (63) being threadedly mounted to the surface of the threaded rod (61).

5. The asphalt cold patching mixture performance testing device according to claim 4, characterized in that: Guide seats (7) are fixedly installed on both sides of the bottom of the drive plate (2), and slide rods (8) are slidably installed inside the two guide seats (7). The two slide rods (8) are fixedly installed inside the frame (1).

6. The asphalt cold patching mixture performance testing device according to claim 2, characterized in that: The test plate (4) has slide rails (9) with grooves fixedly installed on both sides of the bottom. The grooves at the bottom of the two slide rails (9) are slidably installed on the top of the frame (1).

7. The asphalt cold patching mixture performance testing device according to claim 2, characterized in that: The detection component (5) includes a frame (51) fixedly installed on the top of the frame (1). The frame (51) contains a first cylinder (52), a second cylinder (53) and two third cylinders (54). A second motor (55) is fixedly installed at the lower end of the first cylinder (52). A stirring paddle (56) is installed at the output end of the second motor (55). A pressing disc (57) is fixedly installed at the lower end of the second cylinder (53). A scraping plate (58) is fixedly installed at one end of each of the two third cylinders (54).

8. The asphalt cold patching mixture performance testing device according to claim 7, characterized in that: Pressure sensors (10) are installed on the surfaces of the extrusion plate (57) and the scraping plate (58), and an operation panel (11) electrically connected to the two pressure sensors (10) is installed on the surface of the frame (51).

9. The asphalt cold patching mixture performance testing device according to claim 2, characterized in that: The bottom of the frame (1) is provided with several material discharge slots (12).

Citation Information

Patent Citations

  • Asphalt mixture fatigue performance testing device

    CN216955558U