Asphalt pavement thickness nondestructive testing device

By introducing an adjustable frame plate and limit bolts into the asphalt pavement thickness non-destructive testing equipment, the problem of inconvenient equipment height adjustment was solved, achieving high adaptability and convenient operation of the equipment, and reducing the space occupied.

CN223768607UActive Publication Date: 2026-01-06ZHEJIANG INST OF HYDRAULICS & ESTUARY
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Patent Information

Application Number
CN202423167710.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-20
Publication Date
2026-01-06
Estimated Expiration
2034-12-20

AI Technical Summary

Technical Problem

Existing non-destructive testing equipment for asphalt pavement thickness is not easily adjustable according to the height of use, which affects the adaptability and ease of operation of the equipment.

Method used

A device comprising a main radar detector and a side detection assembly was designed. By adjusting the combination of the frame plate and the limiting bolts, the height of the equipment can be adjusted by the operator. The connection of the fixing plate and the wheel plate facilitates the connection and disassembly of the components, thereby reducing the space occupied by the equipment.

Benefits of technology

It improves the adaptability and ease of operation of the equipment, making it convenient for different staff to use, and reduces the space occupied by the equipment after use.

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Abstract

The utility model relates to the field of asphalt pavements, and discloses a nondestructive testing device for the thickness of an asphalt pavement. The nondestructive testing device for the thickness of the asphalt pavement comprises a main radar detector, the upper end of the main radar detector is fixedly connected with a fixed frame plate, the upper end of the fixed frame plate is slidably connected with an adjusting frame plate, and the side face of the fixed frame plate is in threaded connection with a limiting bolt. During use, the limiting bolts are taken out from the fixed frame plate, then a worker can adjust the height position of the adjusting frame plate according to use requirements, then the limiting bolts are inserted back into the fixed frame plate again after the adjusting frame plate is adjusted to a proper position, and then the limiting bolts are connected into the through holes formed in the side face of the adjusting frame plate; and the position of the frame plate is fixed and adjusted, so that a worker can conveniently hold a handle to push the equipment to move, and the asphalt ground can be conveniently detected.
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Description

Technical Field

[0001] This application belongs to the field of asphalt pavement technology, specifically a device for non-destructive testing of asphalt pavement thickness. Background Technology

[0002] A non-destructive testing device for asphalt pavement thickness employs radar detection technology. Radar technology can measure thickness without damaging the pavement, thus not affecting its structure or use. The radar system provides high-precision asphalt pavement thickness measurement, typically achieving millimeter-level accuracy, meeting engineering design and quality control requirements. Compared to traditional manual measurement methods, radar non-destructive testing instruments can quickly complete pavement thickness measurements, saving time and labor costs. Radar technology is applicable to different types of asphalt pavements, including both newly constructed and existing pavements, demonstrating high adaptability.

[0003] Radar systems can operate under various environmental conditions, including heavy traffic, while maintaining good measurement accuracy and stability. Using radar technology for non-destructive testing of asphalt pavement thickness significantly improves work efficiency, reduces human error, and protects the pavement structure from damage, making it one of the most widely adopted advanced technologies in modern road construction and maintenance.

[0004] However, with the current level of technology, it is inconvenient to adjust the height of the equipment according to the usage, which makes it inconvenient for staff to use the equipment. Utility Model Content

[0005] The purpose of this application is to provide a device for non-destructive testing of asphalt pavement thickness in order to solve the aforementioned problem of improving the adaptability of the equipment.

[0006] The technical solution adopted in this application is as follows: A device for non-destructive testing of asphalt pavement thickness includes a main radar detector, a fixed frame plate is fixedly connected to the upper end of the main radar detector, an adjusting frame plate is slidably connected to the upper end of the fixed frame plate, a limit bolt is threadedly connected to the side of the fixed frame plate, the limit bolt passes through the surface of the fixed frame plate and is threadedly connected to the through hole provided on the surface of the adjusting frame plate, and multiple handles are fixedly connected to the side of the adjusting frame plate.

[0007] By adopting the above technical solution, during the use of the equipment, the staff can adjust the position and height of the adjustable frame plate, thereby facilitating the operation of the equipment by different staff and improving the adaptability of the equipment. In use, first remove the limiting bolt from the fixed frame plate, then the staff can adjust the height of the adjustable frame plate according to the usage requirements. After adjusting the adjustable frame plate to the appropriate position, the limiting bolt is reinserted into the fixed frame plate, and then connected to the through hole on the side of the adjustable frame plate to fix the position of the adjustable frame plate. This allows the staff to easily move the equipment by holding the handle, thus facilitating the use of the equipment for asphalt pavement testing.

[0008] In a preferred embodiment, a plurality of side detection components are provided at adjacent positions of the main radar detector. Both the main radar detector and the side detection components have connecting grooves on their sides. A connecting fixing plate is snapped into the inside of the connecting groove. A plurality of side connecting plates are fixedly connected to the side of the connecting fixing plate. The side connecting plates are threadedly connected with connecting bolts. The connecting bolts pass through the threaded holes provided inside the connecting grooves on the surface of the side connecting plates.

[0009] By adopting the above technical solution, during equipment operation, workers can easily connect the main radar detector and adjacent side detection components using the connecting fixing plate, thus facilitating the connection of adjacent components. After equipment operation is completed, workers can remove the connecting fixing plate to separate the main radar detector and side detection components, making it easier to place the side detection components and reducing the space occupied by the equipment. During equipment use, workers insert the connecting fixing plate into the connecting groove, tighten the connecting bolts inside the side connecting plate, and then connect it to the threaded holes in the connecting groove to ensure a stable connection between equipment components. After completing the operation, workers unscrew the connecting bolts, remove the connecting fixing plate, and then easily separate the equipment components, reducing the space occupied by the equipment.

[0010] In a preferred embodiment, both the main radar detector and the side detection assembly are provided with a rectangular base plate at their upper ends, and a fixing bolt is threaded to the upper end of the rectangular base plate.

[0011] By adopting the above technical solution, the rectangular base plate is conveniently positioned to accommodate the threaded connection port, and the fixing bolts are conveniently used to fix the rectangular base plate to the upper part of the main radar detector or the side detection component, ensuring a stable connection of the equipment components.

[0012] In a preferred embodiment, the upper end of the rectangular base plate is provided with a threaded connection port, and the threaded connection port is threadedly connected to an electrical wire connection port. The lower ends of the threaded connection ports at the upper ends of the main radar detector and the side detection component are respectively connected to the main radar detector and the side detection component.

[0013] By adopting the above technical solution, a threaded connection port for connecting wires is provided, which facilitates the disassembly and assembly of equipment components by staff during use, thereby facilitating the subsequent storage and use of the equipment.

[0014] In a preferred embodiment, a rectangular mounting plate is fixedly connected to the middle position of the fixed frame plate, and a signal processor is provided at the upper end of the rectangular mounting plate.

[0015] By adopting the above technical solution, the rectangular mounting plate facilitates the placement of the signal processor, which in turn facilitates the transmission and reception of signals from the main radar detector and the side detection components, thereby ensuring the normal operation of the equipment.

[0016] In a preferred embodiment, a signal transmission line is fixedly connected to the upper end of the wire connector, and a signal processor is fixedly connected to the other end of the signal transmission line away from the wire connector.

[0017] By adopting the above technical solution, the signal transmission line can easily connect the signal processor and the threaded connection port, thereby ensuring the connection between the main radar detector, the side detection component and the signal processor, thus facilitating data transmission.

[0018] In a preferred embodiment, the sides of the main radar detector and the side detection assembly are fixedly connected to a plurality of wheel plates on the adjacent side of the connecting groove, and the sides of the wheel plates are provided with movable wheels.

[0019] By adopting the above technical solution, the wheel plate facilitates the mounting of the movable wheel, and the movable wheel makes it easy for workers to move the equipment, thereby facilitating the asphalt pavement thickness detection operation in different areas.

[0020] In a preferred embodiment, an operating platform is provided at the upper end of the adjustment frame plate, and the signal processor and the operating platform are connected by a signal transmission line.

[0021] By adopting the above technical solution, the operating console can conveniently mount equipment components, thereby facilitating the operation of the equipment and the recording of measurement data by the staff. The signal transmission line can also facilitate the connection of adjacent components, ensuring the normal operation of the equipment.

[0022] In a preferred embodiment, the surface of the operating table is provided with a display screen, a switch is provided on the surface of the operating table adjacent to the display screen, a running indicator light is provided on the surface of the operating table below the switch, and an operation button is provided on the surface of the operating table below the running indicator light.

[0023] By adopting the above technical solution, the device's test data can be easily observed using a display screen, the device can be switched on and off using a switch, the operation indicator light can easily display the device's operating status, the device can remind staff when a malfunction occurs, and the device can be easily controlled by operating buttons, making it convenient for staff to use.

[0024] In summary, due to the adoption of the above technical solution, the beneficial effects of this application are:

[0025] In this application, during equipment use, operators can adjust the height of the adjustable frame plate to facilitate operation by different personnel, improving equipment adaptability. In use, first remove the limiting bolts from the fixed frame plate. Then, the operator can adjust the height of the adjustable frame plate according to needs. After adjusting the frame plate to the appropriate position, the limiting bolts are reinserted into the fixed frame plate. The adjustable frame plate is then fixed in place by connecting it to the through hole on its side, allowing the operator to easily move the equipment by hand. This facilitates testing of asphalt surfaces. During equipment operation, the operator uses the connecting fixed plate... The connection plate facilitates the connection between the main radar detector and adjacent side detection components, allowing for easy placement of these components. After operation, the connection plate can be removed to separate the main radar detector and side detection components, simplifying the placement of the side detection components and reducing the equipment's footprint. During operation, the connection plate is inserted into the connecting groove, and the connecting bolts are tightened into the side connecting plate. The plate is then connected to the threaded holes in the connecting groove, ensuring a secure connection between the components. After operation, the connecting bolts are removed, the connection plate is taken out, and the components can be easily placed separately, further minimizing the equipment's space requirements. Attached Figure Description

[0026] Figure 1 This is a schematic diagram of the method and apparatus for non-destructive testing of asphalt pavement thickness according to this application.

[0027] Figure 2 This is a top view of the method and apparatus for non-destructive testing of asphalt pavement thickness in this application;

[0028] Figure 3 This is a side view of the method and apparatus for non-destructive testing of asphalt pavement thickness in this application;

[0029] Figure 4 This is a schematic diagram of the structural connection of the non-destructive testing device for asphalt pavement thickness in this application;

[0030] Figure 5 This is a schematic diagram of the side detection component structure in this application;

[0031] Figure 6 This is a detailed diagram of the connection and fixing plate structure in this application.

[0032] The markings in the diagram are: 1. Main radar detector; 2. Wire connection port; 3. Rectangular base plate; 4. Fixing bolt; 5. Signal transmission line one; 6. Connecting fixing plate; 7. Signal processor; 8. Signal transmission line two; 9. Operating panel; 10. Handle; 11. Fixing frame plate; 12. Side detection assembly; 13. Wheel plate; 14. Moving wheel; 15. Adjusting frame plate; 16. Display screen; 17. Switch; 18. Running indicator light; 19. Operating button; 20. Rectangular mounting plate; 21. Limit bolt; 22. Connecting groove; 23. Threaded connection port; 24. Connecting bolt; 25. Side connecting plate. Detailed Implementation

[0033] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the technical solutions in the embodiments of this application will be clearly and completely described below in conjunction with the embodiments of this application. Obviously, the described embodiments are only some embodiments of this application, not all embodiments. Based on the embodiments in this application, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this application.

[0034] Example

[0035] Reference Figure 1-4 A device for non-destructive testing of asphalt pavement thickness includes a main radar detector 1. A fixed frame plate 11 is fixedly connected to the upper end of the main radar detector 1. An adjusting frame plate 15 is slidably connected to the upper end of the fixed frame plate 11. A limit bolt 21 is threadedly connected to the side of the fixed frame plate 11. The limit bolt 21 passes through a threaded hole on the surface of the adjusting frame plate 15. Multiple handles 10 are fixedly connected to the side of the adjusting frame plate 15. During use, operators can adjust the height of the adjusting frame plate 15 to facilitate operation by different personnel and improve the device's adaptability. In use, the limit bolt 21 is first removed from the fixed frame plate 11. Then, the operator adjusts the height of the adjusting frame plate 15 according to their needs. After adjusting the adjusting frame plate 15 to the appropriate position, the limit bolt 21 is reinserted into the fixed frame plate 11 and connected to the through hole on the side of the adjusting frame plate 15 to fix its position. This allows the operator to easily move the device by holding the handles 10, facilitating asphalt pavement testing.

[0036] Reference Figure 1-6Multiple side detection components 12 are arranged adjacent to the main radar detector 1. Both the main radar detector 1 and the side detection components 12 have connecting grooves 22 on their sides. A connecting fixing plate 6 is snapped into the inside of the connecting groove 22. Multiple side connecting plates 25 are fixedly connected to the side of the connecting fixing plate 6. Connecting bolts 24 are threaded onto the side connecting plates 25, passing through threaded holes inside the connecting grooves 22. During operation, workers can easily connect the main radar detector 1 and adjacent side detection components 12 using the connecting fixing plates 6, thus facilitating the connection of adjacent components. After the equipment operation is completed, the staff can remove the connecting fixing plate 6 to separate the main radar detector 1 and the side detection component 12, making it easier to place the side detection component 12 and reducing the space occupied by the equipment. During the use of the equipment, the staff will snap the connecting fixing plate 6 into the connecting groove 22, then tighten the connecting bolt 24 into the side connecting plate 25, and then connect it into the threaded hole in the connecting groove 22 to ensure a stable connection between the equipment components. After the operation is completed, the staff will unscrew the connecting bolt 24, remove the connecting fixing plate 6, and then easily place the equipment components separately to reduce the space occupied by the equipment.

[0037] Reference Figure 1-4 Both the main radar detector 1 and the side detection component 12 are provided with a rectangular base plate 3 at their upper ends. The upper end of the rectangular base plate 3 is threaded with a fixing bolt 4. The rectangular base plate 3 is convenient for mounting the threaded connection port 23. The fixing bolt 4 is convenient for fixing the rectangular base plate 3 at the upper end of the main radar detector 1 or the side detection component 12, ensuring the connection of the equipment components is stable.

[0038] Reference Figure 1-4 The upper end of the rectangular base plate 3 is provided with a threaded connection port 23, which is threaded to a wire connection port 2. The lower ends of the threaded connection ports 23 at the upper ends of the main radar detector 1 and the side detection component 12 are respectively connected to the main radar detector 1 and the side detection component 12. The threaded connection port 23 is provided to connect to the wire connection port 2, which facilitates the disassembly and assembly of the equipment components by the staff during use, thereby facilitating the subsequent storage and use of the equipment.

[0039] Reference Figure 1-4 A rectangular mounting plate 20 is fixedly connected to the middle position of the fixed frame plate 11. A signal processor 7 is provided at the upper end of the rectangular mounting plate 20. The rectangular mounting plate 20 facilitates the mounting position of the signal processor 7. The signal processor 7 facilitates the transmission and reception of signals transmitted from the main radar detector 1 and the side detection component 12, thereby ensuring the normal operation of the equipment.

[0040] Reference Figure 1-4The upper end of the wire connection port 2 is fixedly connected to a signal transmission line 5. The other end of the signal transmission line 5 away from the wire connection port 2 is fixedly connected to the signal processor 7. The signal transmission line 5 facilitates the connection between the signal processor 7 and the threaded connection port 23, thereby ensuring the connection between the main radar detector 1, the side detection component 12 and the signal processor 7, thus facilitating data transmission.

[0041] Reference Figure 1-5 Multiple wheel plates 13 are fixedly connected to the sides of the main radar detector 1 and the side detection assembly 12 on the adjacent side of the connecting groove 22. The sides of the wheel plates 13 are provided with movable wheels 14. The wheel plates 13 facilitate the mounting of the movable wheels 14. By using the movable wheels 14, it is easy for the staff to push the equipment to move, thereby facilitating the asphalt pavement thickness detection operation in different areas.

[0042] Reference Figure 1-4 An operating platform 9 is provided at the upper end of the adjusting frame plate 15. The signal processor 7 and the operating platform 9 are connected by a signal transmission line 2 8. The operating platform 9 facilitates the placement of equipment components, thereby making it convenient for staff to operate the equipment and record measurement data. The signal transmission line 2 8 facilitates the connection of adjacent components to ensure the normal operation of the equipment.

[0043] Reference Figure 1-4 The surface of the control panel 9 is equipped with a display screen 16. A switch 17 is located adjacent to the display screen 16 on the surface of the control panel 9. A running indicator light 18 is located below the switch 17 on the surface of the control panel 9. An operation button 19 is located below the running indicator light 18 on the surface of the control panel 9. The display screen 16 allows for easy observation of the equipment's test data. The switch 17 controls the equipment's on / off status. The running indicator light 18 displays the equipment's operating status and alerts staff when the equipment malfunctions. The operation button 19 allows for easy control of the equipment's operation, making it convenient for staff to use.

[0044] The implementation principle of the device embodiment for non-destructive testing of asphalt pavement thickness in this application is as follows:

[0045] During the use of the equipment, the staff can adjust the height of the adjustable frame plate 15 to facilitate the operation of the equipment by different staff, thereby improving the adaptability of the equipment. In use, first remove the limiting bolt 21 from the fixed frame plate 11, and then the staff can adjust the height of the adjustable frame plate 15 according to the usage requirements. After adjusting the adjustable frame plate 15 to the appropriate position, the limiting bolt 21 is reinserted into the fixed frame plate 11 and then connected to the through hole provided on the side of the adjustable frame plate 15 to fix the position of the adjustable frame plate 15. This makes it convenient for the staff to push the position of the equipment by holding the handle 10, thereby facilitating the use of the equipment for asphalt pavement testing.

[0046] The above embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. A device for non-destructive testing of the thickness of asphalt pavement, comprising a main radar detector (1), characterized in that: The upper end of the main radar detector (1) is fixedly connected with a fixed frame plate (11), the upper end of the fixed frame plate (11) is slidably connected with an adjusting frame plate (15), the side surface of the fixed frame plate (11) is threadedly connected with a limiting bolt (21), the limiting bolt (21) passes through the surface of the fixed frame plate (11) and is threadedly connected with the through hole arranged on the surface of the adjusting frame plate (15), and the side surface of the adjusting frame plate (15) is fixedly connected with a plurality of handles (10).

2. The device for non-destructive testing of the thickness of an asphalt pavement according to claim 1, characterized in that: A plurality of side detection assemblies (12) are arranged at the adjacent positions of the main radar detector (1), the side surfaces of the main radar detector (1) and the side detection assemblies (12) are both provided with connecting grooves (22), the connecting grooves (22) are both connected with a connecting fixed plate (6), the side surface of the connecting fixed plate (6) is fixedly connected with a plurality of side connecting plates (25), the side connecting plates (25) are threadedly connected with connecting bolts (24), and the connecting bolts (24) pass through the surface of the side connecting plates (25) and are threadedly connected with the threaded holes arranged in the connecting grooves (22).

3. The device for non-destructive testing of the thickness of an asphalt pavement according to claim 1, characterized in that: The upper ends of the main radar detector (1) and the side detection assemblies (12) are both provided with rectangular bottom plates (3), and the upper ends of the rectangular bottom plates (3) are threadedly connected with fixed bolts (4).

4. The device for non-destructive testing of the thickness of an asphalt pavement according to claim 3, characterized in that: The upper end of the rectangular bottom plate (3) is provided with a threaded connecting port (23), the threaded connecting port (23) is threadedly connected with a wire connecting port (2), and the lower ends of the threaded connecting ports (23) of the main radar detector (1) and the side detection assemblies (12) are respectively communicated with the main radar detector (1) and the side detection assemblies (12).

5. The device for non-destructive testing of asphalt pavement thickness according to claim 1, characterized in that: The middle position of the fixed frame plate (11) is fixedly connected with a rectangular mounting plate (20), and the upper end of the rectangular mounting plate (20) is provided with a signal processor (7).

6. The device for non-destructive testing of the thickness of an asphalt pavement according to claim 4, characterized in that: The upper end of the wire connecting port (2) is fixedly connected with a signal transmission line I (5), and the other end of the signal transmission line I (5) away from the wire connecting port (2) is fixedly connected with the signal processor (7).

7. The device for non-destructive testing of asphalt pavement thickness according to claim 1, characterized in that: The side surfaces of the main radar detector (1) and the side detection assemblies (12) are fixedly connected with a plurality of wheel plates (13) at the adjacent sides of the connecting grooves (22), and the side surfaces of the wheel plates (13) are provided with movable wheels (14).

8. The device for non-destructive testing of asphalt pavement thickness according to claim 5, characterized in that: The upper end of the adjusting frame plate (15) is provided with an operation table (9), and the signal processor (7) and the operation table (9) are communicated through a signal transmission line II (8).

9. The device for non-destructive testing of the thickness of an asphalt pavement according to claim 8, characterized in that: The surface of the operation table (9) is provided with a display screen (16), the surface of the operation table (9) is provided with a switch (17) at the position adjacent to the display screen (16), the surface of the operation table (9) is provided with a running indicator lamp (18) at the lower end of the switch (17), and the surface of the operation table (9) is provided with an operation button (19) at the lower end of the running indicator lamp (18).