Airport Pavement Full-Coverage Detection Device and Method

Abstract

The present invention relates to the technical field of road detection, and particularly to an airport pavement full-coverage detection device and method, including a road surface detection vehicle; a three-dimensional ground penetrating radar vehicle; a detection track, the detection track is arranged along the width direction of the road surface to be detected, and the detection track is arranged at both ends of the road surface to be detected along the length direction of the road surface to be detected; laser lights, the laser lights are arranged in pairs and slide on different detection tracks respectively, the light rays emitted by the same pair of laser lights coincide with each other, and a limiting area is formed between the light rays emitted by adjacent pairs of laser lights to facilitate the movement of the road surface detection vehicle and the three-dimensional ground penetrating radar vehicle. The airport pavement full-coverage detection device and method of the present invention limit the detection vehicle through the laser lights, which is convenient for improving the detection accuracy. At the same time, the detection track facilitates the sliding of the laser lights, ensuring the detection accuracy and improving the detection coverage rate.

Description

Technical Field

[0001] The present invention relates to the technical field of road detection, and particularly to an airport pavement full-coverage detection device and method. Background Art

[0002] The damage condition of the airport pavement mainly characterizes the basic situation of the apparent damage of the pavement. The apparent damage of the pavement not only reflects the bearing capacity of the pavement structure under historical conditions, but also reflects the response of the pavement structure to aircraft loads and various environmental factors, directly affecting the service function of the pavement;

[0003] In the prior art, the investigation and evaluation of the airport pavement damage condition adopt the PCI investigation and calculation method stipulated in the "Technical Specification for Civil Airport Pavement Evaluation and Management". One detection method is manual on-foot inspection, which is as follows: confirm the pavement investigation unit on-site and the on-site location identifier of the unit. After confirmation, walk on foot to inspect various damage phenomena occurring on the pavement within the investigation unit. After discovering the diseases, refer to the on-site location identifier of the unit and record the relative position, damage type, damage degree, and damage amount of the pavement damage on paper. After on-site inspection and completion of the record, confirm the next investigation unit until all are completed, and calculate the PCI value of each pavement unit according to the pavement PCI calculation method in MH / T 5024. This detection method requires dividing the investigation unit first, and generally adopts the sampling investigation method, and only conducts a comprehensive investigation when necessary. The manual on-foot inspection workload is huge, and it is very difficult to achieve full coverage of the airport pavement, resulting in a long time consumed for the detection of the airport pavement damage condition and low detection efficiency of the airport pavement damage condition;

[0004] Another detection method is automated detection, that is, using a multi-functional pavement detection integrated vehicle to detect the pavement technical condition and using a three-dimensional ground-penetrating radar vehicle to detect underground diseases of the road. However, there are no markings on the airport pavement, and the driving direction of the vehicle is prone to deviation during actual detection, resulting in difficulty in achieving full coverage detection of the airport pavement or repeated detection of the airport pavement, thus affecting the accuracy of the detection results;

[0005] During the normal operation of civil aviation airports, it is difficult to conduct detection, and it can only be carried out during the night when flights are suspended, and the suspension time is relatively short. There are still problems with the current detection methods for effective operation at night. Therefore, the working ability of the equipment at night must be considered when conducting detection work at airports.

[0006] Therefore, how to improve the detection coverage rate of the investigation and evaluation of airport pavement damage and underground diseases and enhance the detection efficiency during comprehensive investigation has become a technical problem that needs to be solved urgently by those skilled in the art. Summary of the Invention

[0007] The technical problem to be solved by the present invention is: in order to solve the technical problem of how to improve the detection coverage of airport pavement damage and underground disease condition investigation and evaluation in the prior art, the present invention provides a full coverage detection device and method for airport pavement, which limits the detection vehicle by a laser light to facilitate the improvement of detection accuracy, and at the same time facilitates the sliding of the laser light through the detection track, thereby ensuring the detection accuracy and improving the detection coverage.

[0008] In the first aspect, the present application discloses a device for detecting full coverage of an airport pavement, including a pavement detection vehicle; a three-dimensional ground-penetrating radar vehicle; a detection track, the detection track is arranged along the width direction of the pavement to be detected, and the detection track is arranged at both ends of the pavement to be detected along the length direction of the pavement to be detected; and laser lights, the laser lights are arranged in pairs and slide on different detection tracks respectively, the light emitted by the same pair of laser lights overlaps with each other, and a limiting area is formed between the light emitted by two adjacent pairs of laser lights, so that the pavement detection vehicle and the three-dimensional ground-penetrating radar vehicle can move. The device and method for detecting full coverage of an airport pavement of the present invention limits the detection vehicle by the laser lights, which is convenient for improving the accuracy of detection, and at the same time facilitates the sliding of the laser lights by the detection track, thereby ensuring the detection accuracy and improving the detection coverage.

[0009] Further, specifically, the detection track is provided with multiple ones along its own length direction, one end of the detection track along its own length direction is provided with a protrusion, and the other end is provided with a groove, the protrusion is adapted to the groove, and adjacent detection tracks are connected by the cooperation of the protrusion and the groove, and are fixed by bolts.

[0010] Furthermore, a slider slides in the detection track, the slider is connected to the laser light, the number of the slider is equal to the number of the laser light, and the slider is provided with a locking assembly for fixing the slider to the detection track.

[0011] Furthermore, the locking assembly includes a handle, which is rotatably connected to the slider; the locking block slides in the slider along the width direction of the detection track, and the slider is provided with a sliding groove for the locking block to slide, and the locking block is threadedly connected to the handle.

[0012] Furthermore, telescopic rods are connected between adjacent sliders, and the relative distance between the sliders can be adjusted by adjusting the length of the telescopic rods.

[0013] Furthermore, it also includes a two-dimensional radar and a total station, wherein the total station is used to determine the detection range, and the two-dimensional radar is used to re-test the diseased area.

[0014] In a second aspect, the present application discloses a method for detecting full coverage of an airport pavement, comprising the following steps:

[0015] S1. Define the pavement inspection range according to the airport design drawing and determine the length and width of the airport pavement within the inspection range;

[0016] S2. Measure the maximum width of the multifunctional road inspection vehicle and the maximum width of the 3D ground penetrating radar vehicle;

[0017] S3. Set dimension markings and positioning pieces on the detection track to facilitate quick positioning of the required placement of the laser light;

[0018] S4, placing the detection track at the starting point of the airport pavement, installing the laser light on the slider, and making the slider slide on the detection track;

[0019] S5. Repeat S4 at the end of the airport pavement. After installation, calibrate the laser so that the laser lights at the starting point and the end point coincide with one straight line.

[0020] S6. The road inspection vehicle always keeps driving in a straight line on the inner side of the laser. When it reaches the end point, it moves the slider on the inspection track to the position of the next positioning piece, performs laser calibration again, and then the road inspection vehicle turns around and drives from the end point to the starting point. The above steps are repeated until the airport road surface is fully covered;

[0021] S7, when the multifunctional road surface detection integrated vehicle returns to the starting point for the second time, the three-dimensional ground penetrating radar vehicle starts to drive, and S6 is repeated until the airport road surface is fully covered;

[0022] S8. Analyze the collected data to form a CAD overview of pavement and underground diseases;

[0023] S9. Re-test the diseased area with two-dimensional radar and prepare a test report.

[0024] By setting up the splicing track and laser light, the detection accuracy and detection coverage are improved, and the two-dimensional radar is used for re-measurement to further ensure the progress of the measurement. The positioning piece makes it easy for the laser light to quickly reach the measurement position. The laser lights at the starting point and the end point overlap in a straight line, which can reflect each other, further improving the measurement accuracy and reducing the possibility of errors.

[0025] Furthermore, the following steps are included between step S3 and step S4:

[0026] Use the total station to set the coordinates of the measuring station at one end of the starting point of the airport pavement. Then place the target prism at the other end of the airport starting point, aim at the target prism, press the distance measurement key, make the distance measurement equal to the width of the airport pavement, and make a mark;

[0027] Place target prisms at both ends of the airport terminal, aim at the target prism, press the ranging key to make the distance measurement equal to the length of the airport pavement, and mark it.

[0028] The beneficial effects of the present invention are as follows:

[0029] 1. Through the setting of the splicing track and the laser lamp, the laser lamp is used to limit the position of the inspection vehicle, which is convenient for improving the accuracy of the inspection. At the same time, the inspection track facilitates the sliding of the laser lamp, ensuring the inspection accuracy and improving the inspection coverage rate;

[0030] 2. Through the setting of the slider and the locking component, it is convenient to improve the moving accuracy of the laser lamp. The locking component is convenient for fixing the laser lamp after it moves to the position, reducing the possibility of the laser lamp shaking during the inspection process;

[0031] 3. Through the setting of the telescopic rod, it is convenient to adjust the relative distance between adjacent sliders, and thus convenient to adjust the distance between adjacent laser lamps to adapt to inspection vehicles of different widths. At the same time, when two laser lamps on the same splicing track move, they always maintain the same distance, further improving the measurement accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0032] The present invention will be further described below in conjunction with the drawings and embodiments.

[0033] Figure 1 FIG. is a schematic structural diagram showing the overall airport pavement full-coverage inspection device of the present invention.

[0034] Figure 2 FIG. is a schematic structural diagram showing the inspection track of the present invention.

[0035] Figure 3 FIG. is a schematic structural diagram showing the slider, roller, lock block and handle of the present invention.

[0036] In the figure: 1. Inspection track; 11. Slider; 111. Roller; 112. Ring groove; 12. Protrusion; 121. Locking bolt; 13. Groove; 14. Sliding groove; 141. Sliding rod; 15. Handle; 16. Lock block; 17. Chute; 18. Positioning piece; 2. Laser lamp; 21. Limiting area; 3. Telescopic rod. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0037] The present invention will now be further described in detail with reference to the drawings. These drawings are all simplified schematic diagrams, only illustrating the basic structure of the present invention in a schematic manner, so they only show the components related to the present invention.

[0038] In the first aspect, the present invention discloses an airport pavement full-coverage inspection device.

[0039] Referring to Figure 1A full coverage detection device for an airport pavement includes a splicing track, a road surface detection vehicle, a three-dimensional ground penetrating radar vehicle, a two-dimensional radar, a total station, a detection track 1 and a laser light 2. There are two groups of splicing tracks, and each group of detection tracks 1 is relatively arranged along the length direction of the road surface to be tested. A slider 11 is slid on each detection track 1, and the slider 11 is connected to the laser light 2 by bolts. There are two laser lights 2 on each detection track 1, and two sliders 11 are correspondingly arranged on each detection track 1. A limit area 21 is formed between the light emitted by two adjacent laser lights 2, which is used for the three-dimensional ground penetrating radar vehicle or the road surface detection vehicle to move. One group of splicing tracks is used to form the limit area 21 of the three-dimensional ground penetrating radar vehicle, and the other group of splicing tracks is used to form the limit area 21 of the road surface detection vehicle. The total station is used to determine the detection range, which is convenient for installing the detection track 1. The two-dimensional radar is convenient for retesting the detected defective parts. The light from the two pairs of laser lights 2 on the same set of detection tracks 1 overlap with each other, which is convenient for improving the accuracy of the limited area. At the same time, since the detection vehicle is controlled by humans, the paired laser lights 2 can still indicate the position when the light emitted by the laser light 2 on one side is blocked.

[0040] Refer to 2 and Figure 3 Each detection track 1 is provided with a plurality of detection tracks along its length direction, so that the overall length of the detection track 1 can be not less than the width of the road surface to be tested. A protrusion 12 is fixedly connected to one end of the detection track 1 along its length direction, and a groove 13 is provided at the other end. The protrusion 12 is adapted to the groove 13. The adjacent detection tracks 1 are connected by the protrusion 12 and the groove 13, and are fixed by the locking bolt 121. A roller 111 is rotatably connected to the bottom surface of the slider 11. A sliding groove 14 for the roller 111 to slide is provided on the detection track 1. Sliding rods 141 are fixedly connected to the two side walls of the sliding groove 14 along the width direction of the detection track 1. An annular groove 112 adapted to the sliding rod 141 is provided on the side wall of the roller 111. The annular groove 112 is located between the two sliding rods 141. The sliding movement accuracy is improved by the cooperation between the two sliding rods 141 and the annular groove 112. The cross section of the sliding rod 141 is circular.

[0041] The slider 11 is also provided with a detection component, which includes a handle 15 and a locking block 16. A chute 17 is formed on the bottom surface of the slider 11 along the width direction of the detection track 1. The locking block 16 slides in the chute 17. The handle 15 is arranged along the width direction of the detection track 1 and is rotatably connected to the side wall of the chute 17, and the locking block 16 is threadedly connected to the handle 15. When it is necessary to lock the slider 11, the handle 15 is rotated to drive the locking block 16 to move, so that the locking block 16 abuts against the sliding rod 141, thereby fixing the slider 11. An expansion link 3 is fixedly connected between adjacent sliders 11. The length of the expansion link 3 is adjustable and can be fixed. The length of the expansion link 3 is determined according to the widths of the road surface inspection vehicle and the three-dimensional radar ground penetrating vehicle. The expansion link 3 can enable the laser light 2 on the same detection track 1 to always maintain an equal distance when moving, further improving the detection accuracy.

[0042] A positioning piece 18 is also inserted in the chute 17. A plurality of positioning pieces 18 are arranged along the length direction of the detection track 1. The distance between adjacent positioning pieces 18 is equal to the width of the road surface inspection vehicle or the three-dimensional radar ground penetrating vehicle. The positioning piece 18 is convenient for quickly positioning the slider 11 and can be pulled out at any time after use, which is relatively convenient to use. The emitting end of the laser light 2 can be rotated in the horizontal and vertical directions to adjust the emission angle.

[0043] In a second aspect, the present invention discloses an airport pavement full-coverage detection method, which includes the following steps:

[0044] S1. Frame the pavement detection range according to the airport design drawing, and determine the length and width of the airport pavement within the detection range.

[0045] S2. Measure the maximum width of the body of the multi-functional road surface inspection vehicle and the maximum width of the body of the three-dimensional ground penetrating radar vehicle.

[0046] S3. Set dimension markings on the detection track 1, and set the positioning pieces 18 according to the widths of the road surface inspection vehicle and the three-dimensional ground penetrating radar vehicle body, so as to facilitate quickly positioning the placement position required for the laser light 2.

[0047] S4. Set the coordinates of the measuring station at one end of the starting point of the airport pavement through a total station. Then place a target prism at the other end of the airport starting point, aim at the target prism, press the distance measuring key to make the measured distance equal to the width of the airport pavement, and make a mark.

[0048] S5. Place target prisms at both ends of the airport terminal, aim at the target prisms, press the distance measuring key to make the measured distance equal to the length of the airport pavement, and make a mark.

[0049] S6. Install the detection track 1 at the starting point of the road surface to be tested according to the mark left by the total station measurement, install the laser light 2 on the slider 11, and slide the slider 11 on the detection track 1, adjust the length of the telescopic rod 3 according to the width of the road surface inspection vehicle and the three-dimensional ground penetrating radar body, and complete the fixation of the telescopic rod 3 itself, and then fix the two sliders 11 to the telescopic rod 3.

[0050] S7, repeat S6 at the end point of the road surface to be measured, and calibrate the laser after installation so that the laser lights 2 at the starting point and the end point coincide with each other in a straight line.

[0051] S8. The road inspection vehicle always keeps driving in a straight line on the inner side of the laser. When it reaches the end point, it moves the slider 11 on the inspection track 1 to the position of the next positioning piece 18, performs laser calibration again, and then the road inspection vehicle turns around and drives from the end point to the starting point. Each positioning piece 18 is removed after use, and the above steps are repeated until the airport pavement is fully covered.

[0052] S9. When the multifunctional road surface detection integrated vehicle returns to the starting point for the second time, the three-dimensional ground penetrating radar vehicle starts to move, and S8 is repeated until the full coverage detection of the airport road surface is achieved.

[0053] S10. Analyze the collected data through the software provided by the pavement inspection vehicle and the 3D radar ground-penetrating vehicle to form a CAD overview of pavement and underground diseases. The software of the pavement inspection vehicle may be 3D Pavement Profile and Surface Distress Detection and Evaluation System, and the software of the 3D radar ground-penetrating vehicle may be IQMaps.

[0054] S11. Retest the detected damaged areas with two-dimensional radar and prepare a test report.

[0055] Based on the above ideal embodiments of the present invention, the relevant staff can make various changes and modifications without departing from the technical concept of the present invention through the above description. The technical scope of the present invention is not limited to the contents of the specification, and its technical scope must be determined according to the scope of the claims.

Claims

1. An airport pavement full-coverage detection device, characterized in that: include Road inspection vehicle; 3D ground penetrating radar vehicle; A detection track (1), the detection track (1) being arranged along the width direction of the road surface to be tested, and the detection track (1) being arranged at both ends of the road surface to be tested in the length direction; Laser lights (2), the laser lights (2) are arranged in pairs and slide on different detection tracks (1) respectively, the light beams emitted by the same pair of laser lights (2) overlap each other, and a limiting area (21) is formed between the light beams emitted by two adjacent pairs of laser lights (2) to facilitate the movement of the road surface detection vehicle and the three-dimensional ground penetrating radar vehicle.

2. The airport pavement full coverage detection device according to claim 1, characterized in that: The detection rail (1) is provided with a plurality of protrusions along its length direction. A protrusion (12) is provided at one end of the detection rail (1) along its length direction, and a groove (13) is provided at the other end. The protrusion (12) and the groove (13) are matched with each other. Adjacent detection rails (1) are connected by the protrusion (12) and the groove (13) and are fixed by a locking bolt (121).

3. The airport pavement full coverage detection device according to claim 1, characterized in that: A slider (11) slides in the detection track (1), the slider (11) is connected to the laser light (2), the number of the sliders (11) is equal to the number of the laser light (2), and the slider (11) is provided with a locking assembly for fixing the slider (11) to the detection track (1); A positioning piece (18) is also inserted on the detection track (1), and a plurality of positioning pieces (18) are provided along the length direction of the detection track (1), and the distance between adjacent positioning pieces (18) is set according to the body width of the three-dimensional radar ground penetrating vehicle or the road surface detection vehicle.

4. The airport pavement full coverage detection device as claimed in claim 3, characterized in that: The locking assembly comprises A handle (15), wherein the handle (15) is rotatably connected to the slider (11); A locking block (16) is slid in the slider (11) along the width direction of the detection track (1), the slider (11) is provided with a slide groove (17) for the locking block (16) to slide, and the locking block (16) is threadedly connected to the handle (15).

5. The airport pavement full coverage detection device as claimed in claim 3, characterized in that: A telescopic rod (3) is connected between adjacent sliders (11), and the relative distance between the sliders (11) is adjusted by adjusting the length of the telescopic rod (3).

6. The airport pavement full coverage detection device according to claim 1, characterized in that: It also includes a two-dimensional radar and a total station. The total station is used to determine the detection range, and the two-dimensional radar is used to re-test the diseased area.

7. An airport pavement full-coverage detection method, characterized in that: The steps include: S1. Define the road surface inspection range according to the airport design drawing and determine the length and width of the road surface to be inspected within the inspection range; S2. Measure the maximum width of the road inspection vehicle and the maximum width of the 3D ground penetrating radar vehicle; S3. Setting dimension markings and positioning pieces (18) on the detection track (1) to facilitate rapid positioning of the desired placement position of the laser light (2); S4, placing the detection track (1) at the starting point of the airport pavement, installing the laser light (2) on the slider (11), and making the slider (11) slide on the detection track (1); S5, repeat S4 at the end of the airport pavement, and after installation, calibrate the laser so that the laser lights (2) at the start and end points coincide with one straight line; S6, the road surface inspection vehicle always keeps driving in a straight line on the inner side of the laser, and when it reaches the end point, moves the slider (11) on the inspection track (1) to the position of the next positioning piece (18), performs laser calibration again, and then the road surface inspection vehicle turns around and drives from the end point to the starting point, repeating the above steps until the airport road surface is fully covered; S7, when the multifunctional road surface detection integrated vehicle returns to the starting point for the second time, the three-dimensional ground penetrating radar vehicle starts to drive, and S6 is repeated until the airport road surface is fully covered; S8. Analyze the collected data to form a CAD overview of pavement and underground diseases; S9. Re-test the diseased area with two-dimensional radar and prepare a test report.

8. The airport pavement full coverage detection device and method according to claim 7, characterized in that: The following steps are also included between steps S3 and S4: Use the total station to set the coordinates of the measuring station at one end of the starting point of the airport pavement. Then place the target prism at the other end of the airport starting point, aim at the target prism, press the distance measurement key, make the distance measurement equal to the width of the airport pavement, and make a mark; Place target prisms at both ends of the airport terminal, aim at the target prism, press the ranging key to make the distance measurement equal to the length of the airport pavement, and mark it.

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