Drilling and coring device for asphalt road quality detection
By designing a drilling core extraction device for asphalt roads, the problem of difficulty in evaluating and monitoring the quality of asphalt roads in the prior art is solved, and the stable removal of asphalt cores is achieved, which is convenient for guiding maintenance and maintenance work.
Patent Information
- Application Number
- CN202420390652.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-01
- Publication Date
- 2025-03-07
- Estimated Expiration
- 2034-03-01
AI Technical Summary
It is difficult for the existing technology to effectively evaluate and monitor the quality and performance of asphalt roads, and then guide maintenance and maintenance work.
A drilling core extraction device is designed, including components such as base, support column, core extraction cylinder and guide plate. The asphalt core is stably removed through high-speed rotation of the core extraction cylinder and long nail fixation.
It realizes efficient quality inspection of asphalt roads, and can stably remove asphalt cores, which facilitates evaluation and monitoring of road surface status, thereby guiding effective maintenance and maintenance.
Smart Images

Figure CN222579645U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of highway detection, in particular to a drilling and coring device for asphalt highway quality detection. Background Art
[0002] Asphalt road is a common road construction material and technology. It is made of a mixture of asphalt and mineral aggregates. The asphalt acts as a binder, firmly bonding the mineral aggregates together to form a solid road surface. Asphalt roads have many advantages, including durability, smoothness, water resistance and lower noise levels. However, it also requires regular maintenance, such as repairing cracks and adding new asphalt mixtures, to ensure that the road is in good condition; coring testing of asphalt roads is a common means of evaluation and monitoring, which can provide some important information to help determine the quality and performance of asphalt pavement.
[0003] Coring detection can provide important information about the quality and performance of asphalt roads, help evaluate and monitor the status of the road surface, and thus guide repair and maintenance work. Therefore, it is necessary to design a drilling coring device with a fixed asphalt core to solve the problem of asphalt road quality detection. Utility Model Content
[0004] 1. Technical issues to be resolved
[0005] In view of the deficiencies in the prior art, the utility model provides a drilling and coring device for asphalt road quality inspection, which has the advantage of fixedly taking out the asphalt core, and solves the problems of evaluating asphalt roads, monitoring the state of the road surface, and guiding repair and maintenance work.
[0006] (II) Technical solution
[0007] In order to achieve the above-mentioned purpose of fixing and removing the asphalt core, the utility model provides the following technical solutions: a drilling and coring device for asphalt road quality inspection, including a base, and a support column on the upper side of the base, and a wheel is provided on the lower side of the base, a coring barrel is provided on the upper side of the base, a support rod is provided between the coring barrel and the support column, and the coring barrel is installed on the lower side of the support rod; a guide plate is provided on the inner wall of the coring barrel, a spring is installed between the guide plates, and the two ends of the spring are respectively fixedly connected to the guide plates; a long nail is provided on the lower side of the guide plate, and the long nail is fixedly connected to the guide plate; a clamping ring is provided on the outer side of the coring barrel, and the clamping ring is installed on the upper side of the base, and the two are slidably connected. The lower end of the coring barrel is relatively sharp, and it can be easily drilled into the asphalt road under high-speed rotation. The asphalt core is fixed to the inner wall of the coring barrel through the long nail, and the spring will eject the asphalt core from the coring barrel, which is convenient for removing the asphalt core. The clamping ring is used to fix the position of the coring barrel when the coring barrel is coring, so that it will not deviate from the current position.
[0008] Preferably, a limit column is provided on the upper side of the base, and the limit column is installed at one end of the base; the two ends of the support rod are slidably connected to the support column and the limit column respectively, and a fixing frame is provided on the lower side of the support rod; the core barrel is installed on the lower side of the fixing frame. The core barrel is installed on the lower side of the support rod, and the two ends of the support rod are installed on the support column and the limit column respectively. The limit column is used to limit the position of the support rod so that it will not deviate from the track. The core barrel is installed on the inner wall of the support rod through the fixing frame, and the sliding connection between the fixing frame and the support rod drives the core barrel to move.
[0009] Preferably, an electric push rod is provided on the inner wall of the support rod, and the output end of the electric push rod is connected to the fixed frame; the inner wall of the support rod of the fixed frame is slidably connected, and a second drive motor is provided at one end of the fixed frame; the core barrel is installed at the output end of the second drive motor; a sliding groove is provided on the upper side of the base, and a connecting column is provided on the inner wall of the sliding groove; the connecting column is fixedly connected to the lower side of the clamping ring. The electric push rod drives the fixed frame to move on the inner wall of the support rod, thereby driving the core barrel to move, and the second drive motor drives the core barrel to operate, so that the core barrel can rotate at high speed, thereby achieving the effect of coring; the friction between the connecting column and the sliding groove is small, so that the clamping ring can move with the movement of the core barrel.
[0010] Preferably, a slot is provided on one side of the support column, and a screw is provided between the two ends of the support column; a transmission assembly is provided on the inner wall of the support column, the screw passes through the transmission assembly, and the two ends of the screw are respectively rotatably connected to the two ends of the support column; a connecting block is provided at one end of the transmission assembly, and the connecting block is installed on the inner wall of the slot; the support rod is fixedly installed at one end of the connecting block. The screw rotates, driving the transmission assembly to move, and the transmission assembly moves on the inner wall of the support column, thereby driving the support rod to move up and down through the connecting block, and indirectly driving the coring barrel to move up and down, which is convenient for coring operations on asphalt roads.
[0011] Preferably, a first drive motor is provided at the upper end of the support column, and the output end of the first drive motor passes through the support column and is connected to the screw rod; a push handle is provided at one end of the base, and the push handle is located on one side of the support column. The first drive motor drives the screw rod to rotate, so that the screw rod drives the transmission assembly to move on the inner wall of the support column, and the push handle is used in conjunction with the wheel, and the position of the core can be changed according to actual needs.
[0012] Preferably, a telescopic rod is provided on the outside of the base, and a bolt is provided at one end of the telescopic rod; the bolt passes through one end of the telescopic rod and is rotatably connected to the other end of the telescopic rod; a fixing pin is provided at the lower end of the bolt. The fixing pin is used to stabilize the stability of the entire device. When the coring operation is performed, the bolt rotates to drive the fixing pin to move downward, so that the fixing pin is inserted into the asphalt road, thereby increasing the stability of the entire device.
[0013] (III) Beneficial effects
[0014] Compared with the prior art, the utility model provides a drilling and coring device for asphalt road quality inspection, which has the following beneficial effects: a drilling and coring device for asphalt road quality inspection, in which a coring barrel moves downward and rotates rapidly, so that the coring barrel drills asphalt on the asphalt road, and then fixes the asphalt to the inner wall of the coring barrel through long nails, thereby achieving the effect of fixing and removing the asphalt core. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 This is a right-side structural stereogram of the utility model;
[0016] Figure 2 This is a left-side structural stereogram of the utility model;
[0017] Figure 3 This is a structural diagram of the support column of the utility model;
[0018] Figure 4 This is a structural diagram of the coring mechanism of the utility model;
[0019] Figure 5 This is a diagram showing the internal structure of the core barrel of the utility model.
[0020] In the figure: 1. base; 2. support column; 3. limit column; 4. push handle; 5. telescopic rod; 6. bolt; 7. wheel; 8. first drive motor; 9. support rod; 10. second drive motor; 11. core barrel; 12. clamping ring; 13. sliding groove; 14. connecting column; 15. fixing pin; 16. transmission assembly; 17. screw rod; 18. connecting block; 19. slot; 20. electric push rod; 21. fixing frame; 22. long nail; 23. guide plate; 24. spring. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] Example: See Figure 1-5A drilling and coring device for asphalt road quality inspection includes a base 1, and a support column 2 on the upper side of the base 1, and a wheel 7 is provided on the lower side of the base 1, a coring barrel 11 is provided on the upper side of the base 1, a support rod 9 is provided between the coring barrel 11 and the support column 2, and the coring barrel 11 is installed on the lower side of the support rod 9; a guide plate 23 is provided on the inner wall of the coring barrel 11, a spring 24 is installed between the guide plates 23, and the two ends of the spring 24 are respectively fixedly connected to the guide plates 23; a long spike 22 is provided on the lower side of the guide plate 23, and the long spike 22 is fixedly connected to the guide plate 23; a clamping ring 12 is provided on the outer side of the coring barrel 11, and the clamping ring 12 is installed on the upper side of the base 1, and the two are slidably connected.
[0023] Among them, the lower end of the core barrel 11 is relatively sharp, and it can easily drill into the asphalt road under high-speed rotation. The asphalt core is fixed to the inner wall of the core barrel 11 through the long nail 22. The spring 24 will pop the asphalt core out of the core barrel 11 to facilitate the removal of the asphalt core. The retaining ring 12 is used to fix the position of the core barrel 11 when the core barrel 11 is coring, so that it will not deviate from the current position.
[0024] A limit column 3 is provided on the upper side of the base 1, and the limit column 3 is installed at one end of the base 1; the two ends of the support rod 9 are slidably connected to the support column 2 and the limit column 3 respectively, and a fixing frame 21 is provided on the lower side of the support rod 9; the core barrel 11 is installed on the lower side of the fixing frame 21.
[0025] Among them, the core barrel 11 is installed on the lower side of the support rod 9, and the two ends of the support rod 9 are respectively installed with the support column 2 and the limit column 3. The limit column 3 is used to limit the position of the support rod 9 so that it will not deviate from the track. The core barrel 11 is installed on the inner wall of the support rod 9 through the fixed frame 21, and the core barrel 11 is driven to move through the sliding connection between the fixed frame 21 and the support rod 9.
[0026] An electric push rod 20 is provided on the inner wall of the support rod 9, and the output end of the electric push rod 20 is connected to the fixed frame 21; the inner wall of the support rod 9 of the fixed frame 21 is slidably connected, and a second drive motor 10 is provided at one end of the fixed frame 21; the core barrel 11 is installed at the output end of the second drive motor 10; a sliding groove 13 is provided on the upper side of the base 1, and a connecting column 14 is provided on the inner wall of the sliding groove 13; the connecting column 14 is fixedly connected to the lower side of the clamping ring 12.
[0027] Among them, the electric push rod 20 drives the fixed frame 21 to move on the inner wall of the support rod 9, thereby driving the core barrel 11 to move, and the second drive motor 10 drives the core barrel 11 to operate, so that the core barrel 11 can rotate at high speed, thereby achieving the coring effect; the friction between the connecting column 14 and the sliding groove 13 is small, so that the clamping ring 12 can move with the movement of the core barrel 11.
[0028] A slot 19 is provided on one side of the support column 2, and a screw rod 17 is provided between the two ends of the support column 2; a transmission assembly 16 is provided on the inner wall of the support column 2, the screw rod 17 penetrates the transmission assembly 16, and the two ends of the screw rod 17 are respectively rotatably connected to the two ends of the support column 2; a connecting block 18 is provided at one end of the transmission assembly 16, and the connecting block 18 is installed on the inner wall of the slot 19; the support rod 9 is fixedly installed at one end of the connecting block 18.
[0029] The screw rod 17 rotates to drive the transmission assembly 16 to move, and the transmission assembly 16 moves on the inner wall of the support column 2, thereby driving the support rod 9 to move up and down through the connecting block 18, and indirectly driving the core barrel 11 to move up and down, which is convenient for coring operations on asphalt roads.
[0030] A first drive motor 8 is disposed at the upper end of the support column 2 , and an output end of the first drive motor 8 passes through the support column 2 and is connected to the screw rod 17 ; a push handle 4 is disposed at one end of the base 1 , and the push handle 4 is located at one side of the support column 2 .
[0031] The first drive motor 8 drives the screw rod 17 to rotate, so that the screw rod 17 drives the transmission assembly 16 to move on the inner wall of the support column 2. The push handle 4 is used in conjunction with the wheel 7 to change the coring position according to actual needs.
[0032] A telescopic rod 5 is provided on the outer side of the base 1 , and a bolt 6 is provided at one end of the telescopic rod 5 ; the bolt 6 passes through one end of the telescopic rod 5 and is rotatably connected to the one end of the telescopic rod 5 ; a fixing pin 15 is provided at the lower end of the bolt 6 .
[0033] The fixing pin 15 is used to stabilize the stability of the entire device. When the coring operation is performed, the bolt 6 rotates to drive the fixing pin 15 to move downward and insert it into the asphalt road, thereby increasing the stability of the entire device.
[0034] Working principle: The second drive motor 10 drives the core barrel 11 to operate, so that the core barrel 11 can rotate at high speed, and the first drive motor 8 drives the screw rod 17 to rotate, so that the screw rod 17 drives the transmission assembly 16 to move on the inner wall of the support column 2, so that the core barrel 11 drills the asphalt road downward, and the asphalt core is fixed to the inner wall of the core barrel 11 through the long nail 22. The screw rod 17 rotates again, driving the transmission assembly 16 to move, and the transmission assembly 16 moves on the inner wall of the support column 2, thereby driving the support rod 9 to move upward through the connecting block 18, and indirectly driving the core barrel 11 to move upward, thereby achieving the coring effect.
[0035] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A coring device for asphalt road quality inspection, comprising a base (1), and a support column (2) on the upper side of the base (1), and a wheel (7) is provided on the lower side of the base (1), characterized in that: A coring barrel (11) is provided on the upper side of the base (1), a support rod (9) is provided between the coring barrel (11) and the support column (2), and the coring barrel (11) is installed on the lower side of the support rod (9); The inner wall of the core removal barrel (11) is provided with a guide plate (23), a spring (24) is installed between the guide plates (23), and both ends of the spring (24) are respectively fixedly connected to the guide plates (23); A long spike (22) is provided on the lower side of the guide plate (23), and the long spike (22) is fixedly connected to the guide plate (23); A clamping ring (12) is provided on the outer side of the core removal barrel (11), and the clamping ring (12) is mounted on the upper side of the base (1), and the two are slidably connected.
2. The coring device for asphalt road quality inspection according to claim 1 is characterized by: A limiting column (3) is provided on the upper side of the base (1), and the limiting column (3) is mounted on one end of the base (1); The two ends of the support rod (9) are respectively slidably connected to the support column (2) and the limit column (3), and a fixing frame (21) is provided on the lower side of the support rod (9); The core removal barrel (11) is mounted on the lower side of the fixing frame (21).
3. The coring device for asphalt road quality inspection according to claim 2, characterized in that: An electric push rod (20) is provided on the inner wall of the support rod (9), and an output end of the electric push rod (20) is connected to a fixing frame (21); The inner wall of the support rod (9) of the fixing frame (21) is slidably connected, and a second driving motor (10) is provided at one end of the fixing frame (21); The coring barrel (11) is installed at the output end of the second driving motor (10); A sliding groove (13) is provided on the upper side of the base (1), and a connecting column (14) is provided on the inner wall of the sliding groove (13); The connecting column (14) is fixedly connected to the lower side of the clamping ring (12).
4. The coring device for asphalt road quality inspection according to claim 1, characterized in that: A slot (19) is provided on one side of the support column (2), and a screw rod (17) is provided between the two ends of the support column (2); The inner wall of the support column (2) is provided with a transmission assembly (16), a screw rod (17) passes through the transmission assembly (16), and two ends of the screw rod (17) are rotatably connected to two ends of the support column (2) respectively; A connecting block (18) is provided at one end of the transmission assembly (16), and the connecting block (18) is mounted on the inner wall of the slot (19); The support rod (9) is fixedly mounted on one end of the connecting block (18).
5. The coring device for asphalt road quality inspection according to claim 4, characterized in that: A first drive motor (8) is provided at the upper end of the support column (2), and an output end of the first drive motor (8) passes through the support column (2) and is connected to a screw rod (17); A push handle (4) is provided at one end of the base (1), and the push handle (4) is located on one side of the support column (2).
6. The coring device for asphalt road quality inspection according to claim 1, characterized in that: A telescopic rod (5) is provided on the outer side of the base (1), and a bolt (6) is provided at one end of the telescopic rod (5); The bolt (6) passes through one end of the telescopic rod (5) and is rotatably connected to one end of the telescopic rod (5); A fixing pin (15) is provided at the lower end of the bolt (6).