Pavement compactness detection device
By designing a road compaction detection device that includes a detection base, a positioning frame, a cylinder and a motor, and utilizing the combination of a positioning rubidium magnet and a T-screw, precise positioning of the drill barrel and automated excavation are achieved, solving the problems of inconvenient positioning and high excavation difficulty of existing devices, and improving detection efficiency and ease of operation.
Patent Information
- Application Number
- CN202422762506.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-13
- Publication Date
- 2025-09-19
- Estimated Expiration
- 2034-11-13
AI Technical Summary
Existing road surface compaction detection devices are difficult to locate during use and are difficult to excavate, which cannot meet market demand.
A road surface compaction detection device was designed, which included a detection base, a positioning frame, a cylinder, a motor and a drill barrel. The drill barrel was accurately positioned and moved by the cooperation of a positioning rubidium magnet and a T-screw. Combined with the drive of the cylinder and the motor, circular arc-shaped sand was automatically excavated, and gravity detection was performed through a measuring barrel.
The simplified operation of the detection device is achieved, the positioning accuracy and excavation efficiency are improved, the sand removal and measurement process is simplified, and the market demand for convenient detection is met.
Smart Images

Figure CN223358237U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of road surface compaction detection, in particular to a road surface compaction degree detection device. Background Art
[0002] The compaction quality of roadbed and pavement is one of the most important internal indicators of road construction quality management. Only by fully compacting the roadbed and pavement structural layers can the strength, stiffness, stability, and smoothness of the roadbed and pavement be guaranteed, thereby extending the service life of the roadbed and pavement. Methods for measuring the compaction degree of highway roadbed construction include sand filling method, water filling method, ring knife method, nuclear instrument method, core drilling method, etc., and the most commonly used method is the pit digging and sand filling method. The detection devices required for the pit digging and sand filling method are a sand filling cylinder and a base plate. When in use, the base plate is placed on the road surface, and the sand filling cylinder is placed on the base plate. Sand is poured into the pit through the base plate. After the pouring is completed, the sand filling cylinder is removed.
[0003] However, the existing road compaction detection device has the following problems during use: the traditional method requires digging cylindrical sand on the ground, which is inconvenient to position, difficult to dig, and requires a long time to adjust, and thus cannot meet market demand. Utility Model Content
[0004] The purpose of the present utility model is to provide a road surface compaction detection device to solve the related problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a road surface compaction detection device, comprising a detection base, a positioning frame and a cylinder, a positioning groove is provided inside the detection base, a slide groove is provided at the top of the detection base, and an extension block is provided inside the slide groove, a positioning frame is installed on the top of the extension block, and a slide rail is installed inside the positioning frame, a slider is provided inside the slide rail, and a motor is provided inside the slider, a drill barrel is installed on the output end of the motor through a coupling, a cylinder is provided on the top of the positioning frame, and the output end of the cylinder is in contact with the outer wall of the motor, and a connecting block adapted to the inside of the slide groove is installed on the bottom end of the extension block.
[0006] The present technical solution provides a road compaction detection device, wherein an electronic scale is provided on the top of the detection base, and a measuring cylinder is provided on the top of the electronic scale, a fixed frame is installed on one side of the measuring cylinder, and a movable block is provided on the outer wall of the fixed frame, and a scoop is installed on the bottom end of the movable block.
[0007] The present technical solution provides a road surface compaction detection device, wherein the front and rear walls of the measuring cylinder are provided with handles.
[0008] The present technical solution provides a road surface compaction detection device, wherein an inclined groove is provided inside the measuring cylinder, and an inclined baffle is provided inside the inclined groove.
[0009] The present technical solution provides a road compaction detection device, wherein a thread groove is provided on one side of the detection base close to the positioning groove, and a T-shaped screw rod engaged with the thread groove is provided inside the extension block.
[0010] The present technical solution provides a road surface compaction detection device, wherein the outer wall of the chute and the connecting block are both installed with positioning rubidium magnets.
[0011] Compared with the existing technology, the present invention provides a road surface compaction detection device with the following beneficial effects:
[0012] 1. The utility model makes the positioning rubidium magnet at the connection block position and the positioning rubidium magnet in the slide groove fit together, and after the positioning frame drives the drill barrel to position at the positioning groove, a T-shaped screw can be used to penetrate the extension block and engage with the thread groove, thereby driving the drill barrel position to align with the middle position of the positioning groove. At this time, the cylinder is started to drive the slider to move downward in the slide rail, and the motor is started to drive the drill barrel to drill arc-shaped sand from the soil below the positioning groove.
[0013] 2. After drilling out the soil at a limited position, the utility model can remove the T-screw and the thread groove, and then push the positioning frame to drive the connecting block to separate from the positioning rubidium magnetic position in the slide groove. Then, the operator can take the digging spoon out of the movable block and dig the drill barrel out of the sand and into the measuring barrel. Then, the gravity can be detected through the drill barrel. This structure is simple to operate and convenient for measurement. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the main cross-sectional structure of the present utility model;
[0015] Figure 2 For the utility model Figure 1 A schematic diagram of the enlarged structure at point A;
[0016] Figure 3 It is a schematic diagram of the top cross-sectional structure of the utility model.
[0017] In the figure: 1. Detection base; 2. Positioning groove; 3. Positioning frame; 4. Cylinder; 5. Slide rail; 6. Slider; 7. Motor; 8. Drill barrel; 9. Electronic scale; 10. Measuring barrel; 11. Inclined groove; 12. Inclined baffle; 13. Fixed frame; 14. Movable block; 15. Digging spoon; 16. Extension block; 17. Slide groove; 18. Connecting block; 19. Positioning nepidolite magnet; 20. Threaded groove; 21. T-screw. DETAILED DESCRIPTION
[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.
[0019] Example 1, as Figure 1-2 As shown, the utility model provides a technical solution: a road compaction detection device, including a detection base 1, a positioning frame 3 and a cylinder 4, a positioning groove 2 is provided inside the detection base 1, a slide groove 17 is provided at the top of the detection base 1, and an extension block 16 is provided inside the slide groove 17, a positioning frame 3 is installed on the top of the extension block 16, and a slide rail 5 is installed inside the positioning frame 3, a slider 6 is provided inside the slide rail 5, and a motor 7 is provided inside the slider 6, and a drill tube 8 is installed on the output end of the motor 7 through a coupling, a cylinder 4 is provided on the top of the positioning frame 3, and the output end of the cylinder 4 is in contact with the outer wall of the motor 7, a connecting block 18 adapted to the inside of the slide groove 17 is installed at the bottom end of the extension block 16, and the detection base 1 is close to the positioning groove 2 A thread groove 20 is provided on one side, and a T-screw 21 is provided inside the extension block 16 to engage with the thread groove 20. The outer walls of the slide groove 17 and the connecting block 18 are both installed with positioning rubidium magnets 19. The positioning frame 3 drives the connecting block 18 at the extension block 16 to move to the position of the positioning rubidium magnet 19 in the slide groove 17. The positioning rubidium magnet 19 is fitted with the positioning rubidium magnet 19 at the position of the connecting block 18. After the position of the extension block 16 is fixed, the T-screw 21 can be used to penetrate the extension block 16 and engage with the thread groove 20, thereby driving the positioning frame 3 to align the position of the drill barrel 8 with the middle position of the positioning groove 2. At this time, the starting cylinder 4 drives the slider 6 to move downward in the slide rail 5, and the starting motor 7 drives the drill barrel 8 to drill out arc-shaped sand from the soil below the positioning groove 2, which is convenient for limiting the position.
[0020] Example 2, as Figure 1-3As shown, the utility model provides a technical solution: a road compaction detection device, comprising an electronic scale 9 provided on the top of a detection base 1, a measuring cylinder 10 provided on the top of the electronic scale 9, a fixing frame 13 installed on one side of the measuring cylinder 10, and a movable block 14 provided on the outer wall of the fixing frame 13, a digging spoon 15 installed on the bottom end of the movable block 14, a handle provided on the front and rear walls of the measuring cylinder 10, an inclined groove 11 provided inside the measuring cylinder 10, and an inclined baffle 12 provided inside the inclined groove 11, a drill After the soil is out of the limited position, the T-screw 21 and the threaded groove 20 can be removed, and the positioning frame 3 can be pushed to drive the connecting block 18 to separate from the positioning nepidium magnet 19 in the slide groove 17. Then, the operator can take the digging spoon 15 out of the movable block 14 and drill the drill tube 8 out of the sand and dig it into the measuring tube 10. Then, the gravity can be detected by the drill tube 8. When it is finished, the measuring tube 10 can be moved to the top of the hole below the positioning groove 2, and the inclined groove 11 can be pulled to discharge the sand. This structure is simple to operate and convenient for measurement.
[0021] Working principle: First, turn on the external power supply, the operator can place the detection base 1 above the sand to be detected, and then drive the positioning frame 3 to drive the connecting block 18 at the extension block 16 to move in the slide 17 to the position of the positioning rubidium magnet 19 in the slide 17. By fitting with the positioning rubidium magnet 19 at the position of the connecting block 18, and then after the position of the extension block 16 is fixed, the T-shaped screw 21 can be used to penetrate the extension block 16 and engage with the thread groove 20, and then the positioning frame 3 drives the drill tube 8 position to align with the middle position of the positioning groove 2. At this time, the starting cylinder 4 drives the slider 6 to move downward in the slide rail 5, and then the electric The machine 7 drives the drill tube 8 to drill out arc-shaped sand from the soil below the positioning groove 2. After drilling out the soil at the limited position, the T-screw 21 and the threaded groove 20 can be removed, and the positioning frame 3 can be pushed to drive the connecting block 18 to separate from the positioning rubidium magnet 19 in the slide groove 17. Then, the operator can take the digging spoon 15 out of the movable block 14 and dig the sand out of the drill tube 8 into the measuring tube 10. Then, the gravity can be detected by the drill tube 8. When it is finished, the measuring tube 10 can be moved to the top of the hole below the positioning groove 2, and the inclined groove 11 can be pulled to discharge the sand. This structure is simple to operate and convenient for measurement.
[0022] Finally, it should be noted that the above content is only used to illustrate the technical solution of the utility model, rather than to limit the scope of protection of the utility model. Simple modifications or equivalent replacements of the technical solution of the utility model by ordinary technicians in this field do not deviate from the essence and scope of the technical solution of the utility model.
Claims
1. A road surface compaction detection device, comprising a detection base (1), a positioning frame (3) and a cylinder (4), characterized in that: A positioning groove (2) is provided inside the detection base (1), a slide groove (17) is provided at the top of the detection base (1), and an extension block (16) is provided inside the slide groove (17), a positioning frame (3) is installed at the top of the extension block (16), and a slide rail (5) is installed inside the positioning frame (3), a slider (6) is provided inside the slide rail (5), and a motor (7) is provided inside the slider (6), and a drill tube (8) is installed at the output end of the motor (7) through a coupling, a cylinder (4) is provided at the top of the positioning frame (3), and the output end of the cylinder (4) contacts the outer wall of the motor (7), and a connecting block (18) adapted to the inside of the slide groove (17) is installed at the bottom end of the extension block (16).
2. A road surface compaction detection device according to claim 1, characterized in that: An electronic scale (9) is provided at the top of the detection base (1), and a measuring cylinder (10) is provided at the top of the electronic scale (9). A fixing frame (13) is installed on one side of the measuring cylinder (10), and a movable block (14) is provided on the outer wall of the fixing frame (13). A scoop (15) is installed at the bottom end of the movable block (14).
3. A road surface compaction detection device according to claim 2, characterized in that: The front and rear walls of the measuring cylinder (10) are provided with handles.
4. A road surface compaction detection device according to claim 2, characterized in that: An inclined groove (11) is provided inside the measuring cylinder (10), and an inclined baffle (12) is provided inside the inclined groove (11).
5. The road surface compaction detection device according to claim 1, characterized in that: A thread groove (20) is provided on one side of the detection base (1) close to the positioning groove (2), and a T-shaped screw (21) meshing with the thread groove (20) is provided inside the extension block (16).
6. A road surface compaction detection device according to claim 1, characterized in that: The outer walls of the chute (17) and the connecting block (18) are both equipped with positioning rubidium magnets (19).