Road surface coring device for road detection
By introducing a water suction device and a displacement sensor into the core sampling device, the problems of water and stone powder contamination and inaccurate depth control during drilling were solved, achieving clean core sampling and precise drilling, thus improving the construction quality.
Patent Information
- Application Number
- CN202520125052.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing coring devices cause water and finely ground stone powder to flow everywhere during drilling, polluting the road surface, and it is difficult to accurately control the drilling depth, affecting the construction quality.
A water-absorbing device is used to absorb the mixture of water and fine stone powder generated during the drilling process, and the drilling depth is precisely controlled by a displacement sensor and controller to avoid over-drilling or insufficient drilling depth.
It effectively prevents road surface pollution, ensures construction quality, avoids over-drilling or insufficient drilling depth, and improves the accuracy and cleanliness of the coring device.
Smart Images

Figure CN223910541U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to road engineering pavement detection field, concretely is a pavement coring device for highway detection. BACKGROUND
[0002] Asphalt pavement is more common in daily life pavement, and after construction, the asphalt pavement structure layer needs to be measured for key project thickness, compaction degree and other index detection. The detection of these two indexes needs to drill core samples on the completed asphalt pavement, and the pavement coring device is needed for sampling the asphalt pavement.
[0003] In the prior art, the existing coring device needs to add water for auxiliary drill cooling during drilling, which causes the mixture of water and fine stone powder to flow around and pollute the pavement during coring, and it is not easy to clean the penetration into the pavement gap, which affects the work such as adhesive layer spreading and marking drawing. In addition, the existing coring device relies on human judgment to drill the depth of the core sample, and it is difficult to control the actual drilling depth, and it is easy to produce overdrilling or insufficient drilling depth. Especially for bridge core drilling, if the drilling depth is too large, the reinforced concrete structure will be damaged. Therefore, the utility model provides a pavement coring device for highway detection to solve the above problems. UTILITY MODEL CONTENTS
[0004] The utility model aims at providing a pavement coring device for highway detection to solve the problems in the background art.
[0005] To achieve the above purpose, the utility model provides the following technical scheme: a pavement coring device for highway detection, comprising: a car plate, the upper surface of the car plate is provided with a pair of fixed columns, the top of the two fixed columns is fixedly connected with a fixed block, the upper surface of the fixed block is fixedly installed with a pair of electric push rods and an electric motor, one end of the car plate is provided with a mounting groove, a pair of water suction devices are arranged in the mounting groove, the water suction device comprises a shell, a water suction sponge, a pressing plate and a lifting rod, the shell is fixedly installed on the two side walls of the mounting groove, a rectangular groove is formed in the side wall of the shell, the water suction sponge is installed in the rectangular groove, a through groove is formed in the bottom of the rectangular groove, the pressing plate is arranged in the through groove and is slidably connected with the through groove, one end of the lifting rod is fixedly connected with the top of the pressing plate, and the other end of the lifting rod is fixedly connected with the output end of the electric push rod.
[0006] Preferably, the top and bottom of the rectangular groove are provided with first arc-shaped openings, one side of the sponge is provided with a second arc-shaped opening, and the bottom of the water suction sponge is provided with a sponge protrusion.
[0007] Preferably, the output end of the electric push rod is fixedly connected with a threaded rod, two lifting cylinders are slidably connected on the fixed column, a lifting block is fixedly connected between the two lifting cylinders, the threaded rod penetrates through the lifting block and is threadedly connected with the lifting block, a connecting block is fixedly connected to one side of the lifting block, a drive is fixedly installed at the bottom of the connecting block, a drill bit is arranged at the bottom of the drive, the drill bit extends into between the two water suction devices and penetrates through the two second arc-shaped openings and the two pairs of first arc-shaped openings.
[0008] Preferably, a displacement sensor is fixedly installed at one side of the lifting block.
[0009] Preferably, the upper surface of the car plate is fixedly connected with a controller.
[0010] Preferably, a display is installed at one side of the controller, and buttons are installed at two sides of the display.
[0011] Compared with the prior art, the utility model has the beneficial effects that:
[0012] 1、The utility model discloses set up water suction device and relevant structure, effectively make in this device core taking time water and the mixture of ground stone powder are absorbed by the sponge in the water suction device, make the road surface after core taking not be contaminated, also can not influence the work such as tack coat spreading, marking drawing.
[0013] 2、The setting of sensor, controller and relevant structure effectively makes the drilled depth can be measured through the sensor and be shown through the display, and the overdrilling and the insufficient drilling depth can be effectively avoided. DRAWINGS
[0014] Figure 1 It is the whole structure schematic view of the utility model;
[0015] Figure 2 It is the whole structure schematic view of another angle of the utility model;
[0016] Figure 3 It is the three-dimensional structure schematic view of the controller of the utility model;
[0017] Figure 4 It is the partial structure schematic view of the water suction device of the utility model.
[0018] In the diagram: 1. Car body; 2. Fixing column; 3. Fixing block; 4. Motor; 5. Electric push rod; 6. Lifting block; 7. Water absorption device; 8. Connecting block; 9. Driver; 10. Drill bit; 11. Displacement sensor; 12. Lifting cylinder; 13. Housing; 14. Lifting rod; 15. Mounting slot; 16. Controller; 17. Display screen; 18. Button; 19. First arc-shaped opening; 20. Rectangular slot; 21. Through slot; 22. Water-absorbing sponge; 23. Extrusion plate; 24. Second arc-shaped opening; 25. Sponge protrusion; 26. Threaded rod. Detailed Implementation
[0019] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.
[0020] In the description of this utility model, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," and "horizontal," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "a," "first," "second," "third," "fourth," "fifth," and "sixth" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.
[0022] For the purposes of simplicity and illustration, the principles of the embodiments are primarily described by way of reference example. In the following description, numerous specific details are set forth to provide a thorough understanding of the embodiments. It will be apparent, however, to one ordinarily skilled in the art that the embodiments can be practiced without the specific details and that numerous implementation choices may be made. In some instances, well-known methods and structures have not been described in detail in order to avoid unnecessarily obscuring the embodiments. Also, all embodiments can be used in combination with each other.
[0023] Embodiment I
[0024] Referring to Figure 1 and Figure 4 The utility model provides a technical scheme: a road surface coring device for highway detection, it includes: the upper surface of the vehicle plate 1 is installed with a pair of fixed column 2, fixed column 2 plays the supporting effect, the top of two fixed column 2 is fixedly connected with fixed block 3, fixed block 3 can not slide on fixed column 2, the upper surface of fixed block 3 is fixedly installed with a pair of electric push rod 5 and a motor 4, and the output of electric push rod 5 and motor 4 all stretches into fixed block 3 and is slidably connected with it, and one end of vehicle plate 1 is provided with installation groove 15, installation groove 15 is set up in the end, installation groove 15 penetrates vehicle plate 1, and a pair of water absorption devices 7 are arranged in installation groove 15, and water absorption device 7 is used to adsorb the moisture and impurities in water of ground.
[0025] Water absorption device 7 includes shell 13, water absorption sponge 22, extrusion plate 23 and lifting rod 14, shell 13 is fixedly installed on the two side walls of installation groove 15, two shells 13 are oppositely arranged, the side wall of shell 13 is provided with rectangular groove 20, and rectangular groove 20 is also oppositely arranged, water absorption sponge 22 is installed in rectangular groove 20, and water absorption sponge 22 is used to absorb the water seeped to ground, the bottom of rectangular groove 20 is provided with through groove 21, through groove 21 penetrates the bottom of rectangular groove 20, rectangular groove 20 and through groove 21 are communicated, extrusion plate 23 is arranged in through groove 21 and is slidably connected with it, extrusion plate 23 is used to extrude sponge, one end of lifting rod 14 is fixedly connected at the top of extrusion plate 23, and the lifting of lifting rod 14 can control the lifting of extrusion plate 23, and extrusion plate 23 rises and will extrude sponge, the other end of lifting rod 14 is fixedly connected with the output of electric push rod 5, lifting rod 14 penetrates water absorption sponge 22, the top wall of rectangular groove 20, lifting block 6 and stretches into fixed block 3, the top and bottom of rectangular groove 20 are provided with first arc mouth 19, one side of sponge is provided with second arc mouth 24, first arc mouth 19 and second arc mouth 24 are all set up at the edge, and are oppositely arranged on both sides, the bottom of water absorption sponge 22 is provided with sponge protrusion 25, sponge protrusion 25 can be in close contact with ground to achieve the purpose of water absorption, and the moisture absorbed by sponge protrusion 25 is evenly distributed on the whole water absorption sponge 22.
[0026] In actual use, the arc-shaped opening is aligned with the position where coring is needed, and then the motor 4 is started to drive the lifting block 6, so that the drill bit 10 is fully inserted into the arc-shaped opening of the water suction device 7, so that the drill bit 10 is almost in contact with the ground, the motor 4 is turned off, and then the driver 9 and the displacement sensor 11 are started, and the motor 4 is started again, the drill bit 10 starts to drill into the drill, the sensor starts to record the distance, and the water sprayed by the drill bit 10 is absorbed by the sponge after reaching the ground. After the sampling is completed, the device is moved to the position of the sewer, the other devices are turned off, and the electric push rod 5 is started. The electric push rod 5 will drive the pressing plate 23 to press the water-absorbing sponge 22, and the absorbed sewage and part of the compounds will be discharged.
[0027] Example two
[0028] Please refer to Figures 1-2 On the basis of example one, the output end of the electric push rod 5 is fixedly connected with a threaded rod, the threaded rod is provided with threads, two lifting cylinders 12 are slidingly connected with the fixed column 2, the two lifting cylinders 12 are fixedly connected with the lifting block 6, the lifting cylinder 12 will be lifted under the driving of the lifting block 6, the threaded rod penetrates through the lifting block 6 and is threadedly connected with the lifting block 6, the lifting block 6 will be lifted under the driving of the threaded rod, one side of the lifting block 6 is fixedly connected with the connecting block 8, the connecting block 8 is used for connecting the driver 9, the bottom of the connecting block 8 is fixedly installed with the driver 9, the bottom of the driver 9 is provided with the drill bit 10, the starter can drive the drill bit 10 to rotate for sampling, the drill bit 10 is inserted between the two water suction devices 7 and penetrates through the two second arc-shaped openings 24 and the two pairs of first arc-shaped openings 19, and the drill bit 10 is not in contact with the multiple arc-shaped openings but is close in distance.
[0029] Therefore, the motor 4 drives the threaded rod to rotate, the threaded rod drives the lifting of the lifting block 6, the lifting block 6 drives the lifting of the connecting block 8, and the connecting block 8 drives the lifting of the starter, the driver 9 drives the rotation of the drill bit 10, and the drill bit 10 rotates to extend into the road surface to sample the road surface. These processes are controlled by the controller 16.
[0030] Example three
[0031] Please refer to Figures 1-3 On the basis of example two, the lifting block 6 is fixedly installed with the displacement sensor 11 on one side, the displacement sensor 11 is of model KG01-100NW, the upper surface of the vehicle plate 1 is fixedly connected with the controller 16, the controller 16 and the displacement sensor 11 are connected through wires, the data of the displacement sensor 11 is sent to the controller 16 for processing, one side of the controller 16 is installed with a display, and the data of the sensor is finally displayed through the display. The display is installed with a plurality of buttons 18 on both sides, and the plurality of buttons 18 are respectively used for controlling each part of the whole device.
[0032] In actual use, the arc-shaped opening is aligned with the position where coring is required, and then the motor 4 is started to drive the lifting block 6, so that the drill bit 10 is fully inserted into the arc-shaped opening of the water suction device 7, so that the drill bit 10 is almost in contact with the ground, the motor 4 is turned off, and then the driver 9 and the displacement sensor 11 are started, the data of the displacement sensor 11 is sent to the controller 16 for processing, and finally the data of the sensor is displayed on the display. Start the motor 4 again, the drill bit 10 starts to drill, the sensor starts to record the distance, and the water sprayed by the drill bit 10 is absorbed by the sponge after being sprayed on the ground. After the sampling is completed, the device is moved to the position of the sewer, other devices are turned off, and the electric push rod 5 is started. The electric push rod 5 drives the pressing plate 23 to press the water suction sponge 22, the sewage absorbed by the sponge is discharged, and part of the compounds is also discharged.
[0033] Although the embodiments of the present application have been shown and described, it should be understood by those skilled in the art that various changes, modifications, substitutions and variations can be made to these embodiments 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. A road detection pavement coring device comprising: The car plate (1) is characterized in that: the upper surface of the car plate (1) is provided with a pair of fixed columns (2), the top of the two fixed columns (2) is fixedly connected with a fixed block (3), the upper surface of the fixed block (3) is fixedly provided with a pair of electric push rods (5) and an electric motor (4), one end of the car plate (1) is provided with a mounting groove (15), the mounting groove (15) is provided with a pair of water absorption devices (7), the water absorption device (7) comprises an outer shell (13), a water absorption sponge (22), a pressing plate (23) and a lifting rod (14), the outer shell (13) is fixedly installed on the two side walls of the mounting groove (15), the side wall of the outer shell (13) is provided with a rectangular groove (20), the water absorption sponge (22) is installed in the rectangular groove (20), the bottom of the rectangular groove (20) is provided with a through groove (21), the pressing plate (23) is arranged in the through groove (21) and is in sliding connection with the through groove (21), one end of the lifting rod (14) is fixedly connected with the top of the pressing plate (23), the other end of the lifting rod (14) is fixedly connected with the output end of the electric push rod (5).
2. A road surface coring device for use in road testing according to claim 1, characterised in that: The top and bottom of the rectangular groove (20) are provided with first arc-shaped openings (19), one side of the water absorption sponge (22) is provided with a second arc-shaped opening (24), and the bottom of the water absorption sponge (22) is provided with a sponge protrusion (25).
3. A road surface coring device for use in road testing according to claim 2, characterised in that: The output end of the electric push rod (5) is fixedly connected with a threaded rod, two lifting cylinders (12) are slidably connected on the fixed column (2), a lifting block (6) is fixedly connected between the two lifting cylinders (12), the threaded rod penetrates through the lifting block (6) and is in threaded connection with the lifting block (6), a connecting block (8) is fixedly connected to one side of the lifting block (6), a driver (9) is fixedly installed on the bottom of the connecting block (8), a drill bit (10) is arranged on the bottom of the driver (9), the drill bit (10) extends into the two water absorption devices (7) and penetrates through the two second arc-shaped openings (24) and the two pairs of first arc-shaped openings (19).
4. A road surface coring device for use in road testing according to claim 3, characterised in that: A displacement sensor (11) is fixedly installed on one side of the lifting block (6).
5. A coring device for use in highway testing according to claim 4 wherein: The upper surface of the car plate (1) is fixedly connected with a controller (16).
6. A road surface coring device for use in road testing according to claim 5 wherein: A display is installed on one side of the controller (16), and buttons (18) are installed on the two sides of the display.