A road surface quality testing device

Abstract

This utility model relates to the field of road inspection technology, and in particular to a road surface quality inspection device, including a road inspection vehicle. The road inspection vehicle has an inspection frame at its front, an inspection drone on its upper side, and an image sensor on its lower side. A repair point marking component is located in the rear of the road inspection vehicle. The repair point marking component includes a first tank, a second tank, and a liquid supply control console. The liquid supply control console contains an air inlet reversing valve, a liquid outlet reversing valve, and an electrically controlled valve. A spraying robotic arm is located on the upper side of the liquid supply control console, and a discharge pipe is mounted on the spraying robotic arm. This utility model, by equipping a road inspection vehicle with an inspection drone, can inspect areas where the road inspection vehicle has difficulty accessing, or perform preliminary coverage inspection in front of the road inspection vehicle to identify defects, guide the road inspection vehicle to adjust its direction, and conduct further detailed inspection, thereby improving inspection efficiency and coverage.

Description

Technical Field

[0001] This utility model relates to the field of road inspection technology, and in particular to a road surface quality inspection device. Background Technology

[0002] The road surface is the structural layer that directly bears the loads of vehicles and the effects of natural factors, and it is related to whether driving is safe, fast, economical, and comfortable. Road surface quality is the foundation for smooth road traffic; therefore, road surface inspection and maintenance are central aspects.

[0003] Chinese Patent CN207611047U discloses a comprehensive intelligent road surface quality detection system, including a vehicle body, a three-dimensional laser imaging device, a ground-penetrating radar device, a satellite positioning device, an image recognition and processing device, a central processing unit, and a BIM comparison device. The three-dimensional laser imaging device is located at the lower front of the vehicle body, the ground-penetrating radar is located at the middle of the bottom of the vehicle body, the satellite positioning device is located at the top of the vehicle body, and the image recognition and processing device, the central processing unit, and the BIM comparison device are located inside the vehicle body. The three-dimensional laser imaging device, the ground-penetrating radar device, the satellite positioning device, the image recognition and processing device, and the BIM comparison device are all electrically connected to the central processing unit.

[0004] Existing technical solutions involve installing detection sensors or instruments throughout the vehicle to detect the road during driving. However, the coverage is small, and it cannot fully cover multiple lanes. Repeated driving tests are required, and there is a lack of marking methods. Recording and marking through positioning devices is cumbersome and inconvenient, affecting the efficiency of subsequent repairs. Utility Model Content

[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing a road surface quality testing device.

[0006] To achieve the above objectives, the present invention adopts the following technical solution:

[0007] A road surface quality inspection device includes a road inspection vehicle. The front of the road inspection vehicle is equipped with an inspection frame, which houses a road surface defect detection module, a smoothness detection module, and a texture depth detection module. The road inspection vehicle is equipped with a positioning device. An inspection drone is mounted on the upper side of the road inspection vehicle, and an image sensor is mounted on the lower side of the inspection drone. A repair point marking component is located in the rear cargo bed of the road inspection vehicle. The repair point marking component includes a first tank, a second tank, and a liquid supply control console. The liquid supply control console contains an air inlet reversing valve, a liquid outlet reversing valve, and an electrically controlled valve. A spraying robotic arm is mounted on the upper side of the liquid supply control console, and a discharge pipe is mounted on the spraying robotic arm.

[0008] Preferably, the pavement defect detection module uses a 3D laser scanner or a high-definition camera, the smoothness detection module uses a laser smoothness meter or an inertial measurement unit, and the texture depth detection module uses a laser texture depth meter.

[0009] Preferably, the road inspection vehicle is equipped with a protective cover corresponding to the inspection drone on its upper side, and the protective cover is equipped with an opening and closing cover on its upper side;

[0010] The protective cover contains a charging module and a communication module, and the bottom of the protective cover is equipped with a parking bracket corresponding to the detection drone.

[0011] Preferably, an air pump is connected to the air inlet of the air intake reversing valve, and a one-way valve is provided between the air pump and the air intake reversing valve.

[0012] Preferably, the two air outlets of the air intake reversing valve are respectively connected to the upper part of the first tank and the second tank, and the top of the first tank and the second tank are provided with liquid inlets;

[0013] The bottom of the first tank and the second tank are provided with liquid outlets, and the liquid outlets are all connected to liquid outlet reversing valves. The liquid outlet reversing valves are connected to the discharge pipe, and the electric control valve is located at the outlet of the discharge pipe.

[0014] Preferably, the road inspection vehicle is equipped with a reversing camera on its lower rear side, and the painting robotic arm is equipped with a positioning camera.

[0015] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0016] 1. This utility model equips a road inspection vehicle with an inspection drone to conduct inspections in areas where the road inspection vehicle has difficulty passing, or to conduct preliminary coverage inspections in front of the road inspection vehicle to identify defects, guide the road inspection vehicle to adjust its direction, and conduct further detailed inspections, thereby improving inspection efficiency and coverage.

[0017] 2. This utility model is equipped with a repair point marking component. By pressurizing air, dye or mud water is squeezed to mark the location of the disease, which facilitates maintenance personnel to carry out quick maintenance. The mud marking material is quick to obtain, easy to clean, and environmentally friendly and pollution-free. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural schematic diagram of a road surface quality testing device proposed in this utility model;

[0019] Figure 2 This is a system schematic diagram of a repair point marking component for a road surface quality detection device proposed in this utility model.

[0020] In the picture: 1. Road inspection vehicle; 2. Inspection drone; 21. Protective cover; 22. Opening and closing cover; 3. First tank; 4. Second tank; 5. Spraying robotic arm; 6. Discharge pipe; 7. Positioning camera; 8. Liquid supply control console; 81. Air pump; 82. Inlet reversing valve; 83. Discharge reversing valve; 84. Electrically controlled valve; 9. Reversing camera; 10. Inspection frame. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0022] Reference Figure 1-2 A road surface quality testing device includes a road testing vehicle 1, a testing frame 10 at the front of the road testing vehicle 1, a road surface defect testing module, a smoothness testing module and a texture depth testing module on the testing frame 10, and a testing computer inside the road testing vehicle 1 for collecting, analyzing and storing road surface testing information.

[0023] The road surface defect detection module uses a 3D laser scanner or a high-definition camera. The 3D laser scanner generates 3D point cloud data of the road surface by emitting a laser beam and receiving reflected signals. It can accurately identify defects such as cracks, potholes, and ruts, and quantify their size, depth, and location. The high-definition camera captures images of the road surface and, combined with image processing algorithms, automatically identifies and classifies road surface defects such as cracks, loosening, and bleeding.

[0024] The road smoothness detection module uses either a laser smoothness meter or an inertial measurement unit. The laser smoothness meter calculates the road smoothness index by measuring the change in the reflection angle of the laser beam on the road surface, thus assessing driving comfort. The inertial measurement unit integrates an accelerometer and a gyroscope to measure the bumps and vibrations during vehicle movement, indirectly reflecting the road smoothness.

[0025] The road surface roughness assessment module uses a laser road surface depth meter to measure the scattering characteristics of the laser beam on the road surface, providing data support for vehicle braking performance and anti-skid capability.

[0026] The road inspection vehicle 1 is equipped with a positioning device, such as GPS, to provide precise location information for the road inspection vehicle 1, enabling geographic positioning of inspection data and facilitating the recording of road defects. The road inspection vehicle 1 is equipped with an inspection drone 2 and a corresponding protective cover 21 on its upper side. The protective cover 21 has an opening and closing cover 22 on its upper side. The protective cover 21 contains a charging module and a communication module to transmit inspection data via a wireless network. The bottom of the protective cover 21 has a parking and fixing bracket corresponding to the inspection drone 2 for fixing the inspection drone 2. The inspection drone 2 is equipped with an image sensor on its lower side. When the road is newly constructed or vehicles are unable to pass, the inspection drone 2 is used for remote non-contact inspection. Alternatively, in front of the road inspection vehicle 1, the inspection drone 2 can conduct a large-scale inspection of multiple lanes, collecting images of traffic signs, markings, guardrails, and other facilities to preliminarily assess their integrity and compliance. After discovering suspected defects or problems, the road inspection vehicle 1 drives to the location for detailed inspection.

[0027] The road inspection vehicle 1 is equipped with a repair point marking component in the rear cargo bed. After identifying the defect or problem, the location is recorded and the defect location is marked. The repair point marking component includes a first tank 3, a second tank 4, and a liquid supply control console 8. The first tank 3 and the second tank 4 are used to store different colored marking dyes. The dyes are selected from environmentally friendly and pollution-free materials that are easy to clean, or mud and water can be stored directly to reduce usage costs, ensure easy access, and ensure cleanliness and environmental friendliness. Mud and water are sprayed on the defect location and await subsequent repairs. When using mud and water as temporary markings, attention should be paid to the weather to avoid them being washed away by rain. Water can be used to wash the road surface to facilitate detailed photographic inspection.

[0028] The liquid supply control console 8 is equipped with an air inlet reversing valve 82, a liquid outlet reversing valve 83 and an electric control valve 84, which are used to control the flow of spraying dye. The upper side of the liquid supply control console 8 is equipped with a spraying robotic arm 5, and a discharge pipe 6 is mounted on the spraying robotic arm 5. The spraying robotic arm 5 controls the spraying direction of the discharge pipe 6 to perform spraying and marking of defects.

[0029] An air pump 81 is connected to the air inlet of the air inlet reversing valve 82. A one-way valve is provided between the air pump 81 and the air inlet reversing valve 82. The two air outlets of the air inlet reversing valve 82 are respectively connected to the upper part of the first tank 3 and the second tank 4. Air is injected into the first tank 3 or the second tank 4 through the air pump 81, and the dye is squeezed out by pressurization. The air inlet reversing valve 82 is used to adjust the air intake path and switch the air intake of the first tank 3 or the second tank 4. The top of the first tank 3 and the second tank 4 are provided with liquid inlets for replenishing dye. The liquid inlets are sealed by sealing caps to facilitate the formation of a closed chamber for easy inflation and pressurization.

[0030] The bottom of the first tank 3 and the second tank 4 are provided with liquid outlets, which are connected to the liquid outlet reversing valve 83 to facilitate switching between the first tank 3 and the second tank 4 for material discharge. The air inlet reversing valve 82 and the liquid outlet reversing valve 83 work synchronously. The liquid outlet reversing valve 83 is connected to the discharge pipe 6. The electric control valve 84 is set at the outlet of the discharge pipe 6 to control the discharge on / off and the discharge volume, thereby improving the reliability of spraying control.

[0031] The road inspection vehicle 1 is equipped with a reversing camera 9 on the lower rear side, which makes it convenient for the driver to adjust the vehicle position and get close to the location where the defects need to be marked. The spraying robotic arm 5 is equipped with a positioning camera 7, which makes it convenient for the operator to adjust the spraying robotic arm 5 and spray the markings at the designated location.

[0032] In this embodiment, when the road needs to be inspected, maintenance personnel drive the road inspection vehicle 1 on the road and inspect the road surface and internal structure through the road surface defect detection module, smoothness detection module and structural depth detection module on the inspection frame 10. Data is collected by the inspection computer, the defects are analyzed, and then the repair point marking component is used to mark the points that need to be repaired or maintained.

[0033] If the road is wide and the road inspection vehicle 1 cannot fully cover it, the opening cover 22 can be opened to control the inspection drone 2 to conduct a preliminary comprehensive inspection of the road in front of the road inspection vehicle 1. When a suspected defect is found, the driver can control the road inspection vehicle 1 to go over for detailed inspection, thereby improving the inspection efficiency.

[0034] After determining the location of the damage, the air intake reversing valve 82 and the liquid outlet reversing valve 83 work simultaneously to switch the corresponding dye tank, select different colors of dye, or directly use mud slurry for simple marking. The air pump 81 pressurizes the tank, the spraying robot arm 5 adjusts its angle, aligns with the location to be marked, and opens the electric control valve 84. Under pressure, the dye or mud slurry is sprayed out for marking. Using the air pump 81 instead of the water pump to pressurize and pump the dye can avoid mud slurry clogging the water pump. In order to improve the reliability of mud slurry spraying, the mud slurry can be screened first to remove sand, gravel and grass roots from the soil to avoid clogging the pipes.

[0035] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

[0036] It should be noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to limit the exemplary embodiments according to this application. As used herein, the singular form is intended to include the plural form as well, unless the context clearly indicates otherwise. Furthermore, it should be understood that when the terms "comprising" and / or "including" are used in this specification, they indicate the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0037] Unless otherwise specifically stated, the relative arrangement, numerical expressions, and values ​​of the components and steps described in these embodiments do not limit the scope of this invention. It should also be understood that, for ease of description, the dimensions of the various parts shown in the drawings are not drawn to actual scale. Techniques, methods, and devices known to those skilled in the art may not be discussed in detail, but where appropriate, such techniques, methods, and devices should be considered part of the specification. In all examples shown and discussed herein, any specific values ​​should be interpreted as merely exemplary and not as limitations. Therefore, other examples of exemplary embodiments may have different values. It should be noted that similar reference numerals and letters in the following drawings denote similar items; therefore, once an item is defined in one drawing, it need not be further discussed in subsequent drawings.

Claims

1. A road surface quality inspection device, comprising a road inspection vehicle (1), characterized in that, The road inspection vehicle (1) is equipped with an inspection frame (10) at the front. The inspection frame (10) is equipped with a road surface defect detection module, a smoothness detection module and a structural depth detection module. The road inspection vehicle (1) is equipped with a positioning device. The road inspection vehicle (1) is equipped with an inspection drone (2) on the upper side. The inspection drone (2) is equipped with an image sensor on the lower side. The road inspection vehicle (1) is equipped with a repair point marking component at the rear of the vehicle bed. The repair point marking component includes a first tank (3), a second tank (4), and a liquid supply control console (8). The liquid supply control console (8) is equipped with an air intake reversing valve (82), a liquid outlet reversing valve (83), and an electric control valve (84). A spraying robot arm (5) is provided on the upper side of the liquid supply control console (8), and a discharge pipe (6) is mounted on the spraying robot arm (5).

2. The road surface quality testing device according to claim 1, characterized in that, The road surface defect detection module uses a 3D laser scanner or a high-definition camera, the smoothness detection module uses a laser smoothness meter or an inertial measurement unit, and the texture depth detection module uses a laser texture depth meter.

3. The road surface quality testing device according to claim 1, characterized in that, The road inspection vehicle (1) is equipped with a protective cover (21) corresponding to the inspection drone (2) on its upper side, and the protective cover (21) is equipped with an opening and closing cover (22) on its upper side. The protective cover (21) is equipped with a charging module and a communication module, and the bottom of the protective cover (21) is equipped with a parking bracket corresponding to the detection drone (2).

4. The road surface quality testing device according to claim 1, characterized in that, The air inlet of the intake reversing valve (82) is connected to an air pump (81), and a one-way valve is provided between the air pump (81) and the intake reversing valve (82).

5. A road surface quality testing device according to claim 4, characterized in that, The two air outlets of the air intake reversing valve (82) are respectively connected to the upper part of the first tank (3) and the second tank (4), and the top of the first tank (3) and the second tank (4) are provided with liquid inlets; The bottom of the first tank (3) and the second tank (4) are provided with liquid outlets. The liquid outlets are all connected to the liquid outlet reversing valve (83). The liquid outlet reversing valve (83) is connected to the discharge pipe (6). The electric control valve (84) is located at the outlet of the discharge pipe (6).

6. A road surface quality testing device according to claim 1, characterized in that, The road inspection vehicle (1) is equipped with a reversing camera (9) on the lower rear side, and the painting robot arm (5) is equipped with a positioning camera (7).

Images