Mobile visual inspection assembly based on road fine cracks, detector and operating method

Abstract

The application discloses a mobile visual inspection assembly based on road fine cracks, a detector and an operation method, and relates to the technical field of road inspection.The height of the camera body is adjusted by the height adjusting mechanism arranged between the unmanned aerial vehicle body and the camera body.The height adjusting mechanism comprises a first rotating rod and a second rotating rod.The application relates to the technical field of road inspection.The mobile visual inspection assembly based on road fine cracks, the detector and the operation method are provided with the height adjusting mechanism.The driving of the control cylinder is utilized to make the first rotating rod and the second rotating rod rotate under the rotation connection of the second rotating assembly, so that the shooting height of the camera body is adjusted, and the pulling of the pull rope is matched in the adjustment process, so that the focal length between the camera lens and the camera body is adjusted, the height adjustment process is completed, the shooting focal length is adjusted synchronously, and the mobile visual inspection efficiency based on road fine cracks is higher.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of road inspection, in particular to a mobile visual inspection assembly based on road fine cracks, a detector and an operation method. BACKGROUND

[0002] Highways are always exposed to the natural environment, and after being used for a period of time, they are inevitably affected by wind, sun, rain, and overloading, and cracks will inevitably appear. As the cracks expand, it is inevitable that driving safety will be compromised. As the cracks expand, the difficulty and cost of subsequent repair will increase significantly.

[0003] Referring to the Chinese patent entitled "Road Crack Detection Device and Method Based on Unmanned Aerial Vehicle Inspection" (Patent Publication No. CN110046584A, Patent Publication Date: 2019.07.23), it includes an unmanned aerial vehicle, a picture acquisition device, a ground wireless image receiving platform, and a backend center station. The detection method is as follows: (1) image acquisition and transmission: Step 1. Compile the patrol path of the unmanned aerial vehicle; Step 2. During the flight of the unmanned aerial vehicle, the picture acquisition device takes pictures of the road surface and saves them; Step 3. The image acquisition device transmits the collected road surface pictures to the ground wireless image receiving platform through the unmanned aerial vehicle; Step 4. The ground wireless image receiving platform receives the image signal from the unmanned aerial vehicle, and the image signal is decoded and displayed on the display; on the other hand, the image signal is transmitted to the backend center station through the network; (2) image processing: use the backend center station to detect and edge identify the cracks in the road surface pictures. The present application can automatically detect and extract the crack profile and can be used to analyze the road surface health condition, saving manpower and resources, and the analysis is accurate.

[0004] Based on the above detection method, the existing unmanned aerial vehicle based on road fine crack inspection still has the following problems:

[0005] Currently, during the scanning process of the unmanned aerial vehicle, as the width of the road changes, the unmanned aerial vehicle has incomplete detection of the road, so the height of image acquisition needs to be adjusted. However, as the height of acquisition increases, the quality of the collected photos will be unclear, making it difficult to determine the presence of fine cracks in a timely manner during the inspection process. Therefore, the present application provides a mobile visual inspection assembly based on road fine cracks, a detector, and an operation method. SUMMARY

[0006] In view of the deficiencies of the prior art, the mobile visual inspection assembly based on road fine cracks, the detector and the operation method are provided, and the problem that the unmanned aerial vehicle cannot timely judge the existence of fine cracks in the process of inspection is solved.

[0007] To achieve the above object, the mobile visual detector based on road fine cracks is implemented by the following technical scheme: the mobile visual detector based on road fine cracks comprises a UAV body and a camera body, and the detector comprises a visual inspection assembly capable of adjusting the camera body.

[0008] The application further discloses the inspection assembly of the mobile visual detector based on road fine cracks, which comprises a height adjusting mechanism arranged between the UAV body and the camera body and used for adjusting the height of the camera body.

[0009] Preferably, the first rotating assembly comprises a rotating groove formed in one end of the second rotating rod, and a rotating rod is fixedly installed on the inner side of the rotating groove.

[0010] Preferably, the control assembly comprises a control cylinder, a piston rod is slidably connected in the control cylinder, and a connecting rod is installed on the other side of the control cylinder.

[0011] Preferably, the second rotating assembly comprises an upper fixed block installed on the side surface of the first rotating rod and a lower fixed block installed on the side surface of the second rotating rod.

[0012] Preferably, the pulling unit comprises a support plate fixedly installed on the side of the camera body, a support assembly is arranged on the inner side of the support plate, a pulling rope is mounted on the surface of the upper concave block, one end of the pulling rope extends into the wall shell of the camera body, a sliding plate is symmetrically mounted on the surface of the camera lens, and a sliding groove is formed in the wall shell of the camera body.

[0013] Preferably, one end of the pulling rope is fixed to the side surface of the sliding plate, the sliding plate slides in the sliding groove, a counteracting spring is sleeved on the surface of the pulling rope, and the two ends of the counteracting spring are fixed to the opposite sides of the sliding plate and the sliding groove.

[0014] Preferably, the support assembly comprises a support shaft rotatably installed on the inner side of the support plate, a support wheel is fixedly installed on the surface of the support shaft, and the pulling rope is in contact with the surface of the support wheel.

[0015] The application further discloses an operation method of a mobile detection instrument with a patrol assembly based on road fine cracks.

[0016] S1, height adjustment: by starting the control cylinder, the movement of the piston rod is driven by the control cylinder, and the first rotating rod and the second rotating rod are rotated under the rotation connection of the second rotating assembly, so that the height of the camera body is adjusted.

[0017] S2, lens adjustment: when the first rotating rod and the second rotating rod are rotated by the control cylinder, the rotation makes the pulling rope between the upper concave block and the camera body longer, and the focal length between the camera lens and the camera body is adjusted.

[0018] S3, shooting operation: after the adjustment is completed, the unmanned aerial vehicle body and the camera body are started by the control system, and the fine cracks of the road are detected.

[0019] Preferably, the control system comprises a control panel, a data transmission unit and a data feedback unit, the control panel controls the control cylinder and the camera body on the unmanned aerial vehicle body through data transmission by wireless local area network through the data transmission unit, and the operation and collected data are transmitted back to the control panel for display through the data feedback unit.

[0020] Advantages

[0021] The application provides a mobile visual patrol assembly based on road fine cracks, a detection instrument and an operation method.

[0022] (1), the mobile visual inspection assembly based on road fine cracks, detector and operation method, by setting height adjusting mechanism, by the drive of control cylinder, first rotating rod and second rotating rod are connected under the rotation of second rotating assembly, so as to realize the shooting height of camera body adjustment, and in the process of adjusting, cooperate with the pulling of the pulling rope, so that the focal length between camera lens and camera body is adjusted, so as to complete the height adjustment process, and realize the adjustment of shooting focal length at the same time, so that the efficiency of mobile visual inspection based on road fine cracks is higher.

[0023] (2), the mobile visual inspection assembly based on road fine cracks, detector and operation method, by setting height adjusting mechanism, by the drive of control cylinder, first rotating rod and second rotating rod are connected under the rotation of second rotating assembly, so as to realize the shooting height of camera body adjustment, and in the process of adjusting, cooperate with the pulling of the pulling rope, so that the focal length between camera lens and camera body is adjusted, so as to complete the height adjustment process, and realize the adjustment of shooting focal length at the same time, so that the efficiency of mobile visual inspection based on road fine cracks is higher.

[0024] (3), the mobile visual inspection assembly based on road fine cracks, detector and operation method, by setting height adjusting mechanism, by the drive of control cylinder, first rotating rod and second rotating rod are connected under the rotation of second rotating assembly, so as to realize the shooting height of camera body adjustment, and in the process of adjusting, cooperate with the pulling of the pulling rope, so that the focal length between camera lens and camera body is adjusted, so as to complete the height adjustment process, and realize the adjustment of shooting focal length at the same time, so that the efficiency of mobile visual inspection based on road fine cracks is higher. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is the external perspective structure diagram of the application;

[0026] Figure 2 It is the perspective structure diagram of height adjusting mechanism of the application;

[0027] Figure 3 It is the perspective structure diagram of the application Figure 3 A local structure enlargement diagram in the application;

[0028] Figure 4 It is the local perspective structure diagram in the application Figure 2 ;

[0029] Figure 5 It is the local perspective structure diagram in the application Figure 4 ;

[0030] Figure 6 It is the perspective structure diagram of control assembly of the application;

[0031] Figure 7 It is the perspective structure diagram of pulling unit of the application;

[0032] Figure 8 It is theFigure 7 Local structure amplification diagram at B in the middle;

[0033] Figure 9 The principle block diagram of the control system of the application;

[0034] Figure 10 The flow chart of the operation method of the application.

[0035] In the figure: 1 - unmanned aerial vehicle body, 2 - camera body, 3 - height adjustment mechanism, 31 - first rotating rod, 32 - second rotating rod, 33 - first rotating assembly, 33-1 - rotating groove, 33-2 - rotating rod, 34 - control assembly, 34-1 - control cylinder, 34-2 - piston rod, 34-3 - connecting rod, 34-4 - second rotating assembly, 34-41 - upper fixed block, 34-42 - lower fixed block, 34-43 - circular block, 35 - pulling unit, 35-1 - support plate, 35-2 - support assembly, 35-21 - support rotating shaft, 35-22 - support wheel, 35-3 - pulling rope, 35-4 - sliding plate, 35-5 - sliding groove, 35-6 - abutting spring, 36 - upper concave block, 37 - lower concave block, 38 - camera lens. DETAILED DESCRIPTION

[0036] The technical solutions in the embodiments of the application will be described clearly and completely below with reference to the accompanying drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by a person of ordinary skill in the art without creative work are within the protection scope of the application.

[0037] Please refer to Figures 1-10 The application provides two technical solutions:

[0038] Embodiment one

[0039] The mobile visual detector based on road fine cracks, characterized in that: comprising an unmanned aerial vehicle body 1 and a camera body 2, and the detector comprises a visual inspection assembly capable of adjusting the camera body 2.

[0040] The application further discloses a mobile visual detector based on road fine cracks, and a height of the camera body 2 is adjusted through the height adjusting mechanism 3 arranged between the unmanned aerial vehicle body 1 and the camera body 2, the height adjusting mechanism 3 comprises a first rotating rod 31 and a second rotating rod 32, opposite ends of the first rotating rod 31 and the second rotating rod 32 are rotatable through a first rotating assembly 33, a top of the unmanned aerial vehicle body 1 is provided with an upper recessed block 36, a surface of the camera body 2 is fixedly provided with a lower recessed block 37, an extension end of the first rotating rod 31 is rotatable through a rotating pin at a recess of the upper recessed block 36, an extension end of the second rotating rod 32 is rotatable through a rotating pin at a recess of the lower recessed block 37, surfaces of the first rotating rod 31 and the second rotating rod 32 are connected with the camera body 2 through a control assembly 34 to realize lifting operation of the camera body 2, and a surface of the upper recessed block 36 is provided with a pulling unit 35 to enable the camera lens 38 to perform skip operation in the camera body 2.

[0041] The height adjusting mechanism 3 is arranged, the driving of the control cylinder 34-1 is utilized, the first rotating rod 31 and the second rotating rod 32 are rotatable under the rotation connection of the second rotating assembly 34-4, the height of the camera body 2 is adjusted, the pulling of the upper pulling rope 35-3 is matched in the adjusting process, the focal length between the camera lens 38 and the camera body 2 is adjusted, the adjusting of the shooting focal length is realized in the height adjusting process, and the mobile visual inspection efficiency based on road fine cracks is higher.

[0042] In the embodiment of the application, the first rotating assembly 33 comprises a rotating groove 33-1 formed on one end of the second rotating rod 32, a rotating rod 33-2 is fixedly arranged in the rotating groove 33-1, and the rotating rod 33-2 penetrates the surface of the first rotating rod 31 and is rotatable relative to the first rotating rod 31.

[0043] In the embodiment of the application, the control assembly 34 comprises a control cylinder 34-1, a piston rod 34-2 is slidably connected in the control cylinder 34-1, a connecting rod 34-3 is arranged on the other side of the control cylinder 34-1, and the mutually faraway ends of the piston rod 34-2 and the connecting rod 34-3 are connected with the side surfaces of the first rotating rod 31 and the second rotating rod 32 through a second rotating assembly 34-4.

[0044] In the embodiment of the application, the second rotating assembly 34-4 comprises an upper fixed block 34-41 arranged on the side surface of the first rotating rod 31 and a lower fixed block 34-42 arranged on the side surface of the second rotating rod 32, the mutually faraway ends of the piston rod 34-2 and the connecting rod 34-3 are fixedly provided with arc blocks 34-43, and the surfaces of the two arc blocks 34-43 are rotatably connected with the recesses of the upper fixed block 34-41 and the lower fixed block 34-42 respectively.

[0045] Wherein, by setting with height adjusting mechanism 3, the use of control cylinder 34-1 drive piston rod 34-2 movement, and in the second rotating component 34-4 rotating connection under the first rotating rod 31 and the second rotating rod 32 are rotated to operate, so as to drive the camera body 2 to adjust the height, so as to expand the road collection angle of view, so as to adjust the operation according to different road conditions, improve the applicability.

[0046] In the embodiment of the application, the pulling unit 35 comprises a support plate 35-1 fixedly installed on the side surface of the camera body 2, a supporting assembly 35-2 arranged on the inner side of the support plate 35-1, a pulling rope 35-3 mounted on the surface of the upper concave block 36, one end of the pulling rope 35-3 extending into the wall shell of the camera body 2, a sliding plate 35-4 symmetrically mounted on the surface of the camera lens 38, and a sliding groove 35-5 formed in the wall shell of the camera body 2.

[0047] In the embodiment of the application, one end of the pulling rope 35-3 is fixed to the side surface of the sliding plate 35-4, the sliding plate 35-4 slides in the sliding groove 35-5, and the surface of the pulling rope 35-3 is sleeved with a stop spring 35-6, both ends of the stop spring 35-6 being fixed to the opposite sides of the sliding plate 35-4 and the sliding groove 35-5.

[0048] In the embodiment of the application, the supporting assembly 35-2 comprises a supporting shaft 35-21 rotatably installed on the inner side of the support plate 35-1, and a supporting wheel 35-22 fixedly mounted on the surface of the supporting shaft 35-21, the pulling rope 35-3 being in contact with the surface of the supporting wheel 35-22.

[0049] Wherein, by setting with the pulling unit 35, with the height adjustment of the camera body 2, the pulling rope 35-3 between the upper concave block 36 and the camera body 2 becomes longer, and the focal length between the camera lens 38 and the camera body 2 is adjusted, so that the photographed image is clearer, thereby improving the image quality after the operation.

[0050] Embodiment two

[0051] The difference between the embodiment one and the embodiment two is that:

[0052] The application also discloses an operation method of a mobile detection instrument with a patrol assembly based on road fine cracks.

[0053] S1, height adjustment: by starting the control cylinder 34-1, the use of control cylinder 34-1 drive piston rod 34-2 movement, and in the second rotating component 34-4 rotating connection under the first rotating rod 31 and the second rotating rod 32 are rotated to operate, so as to drive the camera body 2 to adjust the height;

[0054] S2, lens adjustment: when the control cylinder 34-1 drives the first rotating rod 31 and the second rotating rod 32 to rotate, the rotating makes the pulling rope 35-3 between the upper concave block 36 and the camera body 2 longer, and the focal length between the camera lens 38 and the camera body 2 is adjusted;

[0055] S3, shooting operation: after the adjustment is completed, the unmanned aerial vehicle body 1 and the camera body 2 are started by the control system, and the detection operation of the small cracks on the road is realized.

[0056] In the embodiment of the application, the control system comprises a control panel, a data transmission unit and a data feedback unit, the control panel controls the control cylinder 34-1 and the camera body 2 on the unmanned aerial vehicle body 1 through personnel control and data transmission through the data transmission unit through wireless local area network, and the operation and collected data are transmitted back to the control panel for display through the data feedback unit.

[0057] Meanwhile, the contents not described in detail in the specification all belong to the prior art known by those skilled in the art.

[0058] It should be noted that, in this paper, the relationship terms such as first and second are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between the entities or operations. Moreover, the term "include", "contain" or any other variant thereof is intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0059] Although the embodiments of the application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the application, and the scope of the application is defined by the appended claims and their equivalents.

Claims

1. A mobile visual detector based on road fine cracks, characterized in that: The utility model provides a kind of unmanned aerial vehicle, including unmanned aerial vehicle body (1) and camera body (2), and detection instrument includes visual inspection component that can carry out camera body (2) adjustment, visual inspection component includes the height of camera body (2) is adjusted by height adjusting mechanism (3) being arranged between unmanned aerial vehicle body (1) and camera body (2); The height adjusting mechanism (3) includes a first rotating rod (31) and a second rotating rod (32), the opposite ends of the first rotating rod (31) and the second rotating rod (32) are rotated by a first rotating assembly (33), the top of the unmanned aerial vehicle body (1) is provided with an upper recess block (36), the surface of the camera body (2) is fixedly provided with a lower recess block (37), the extension end of the first rotating rod (31) is rotated with the recess of the upper recess block (36) by a rotating pin, the extension end of the second rotating rod (32) is rotated with the recess of the lower recess block (37) by a rotating pin, the surface of the first rotating rod (31) and the second rotating rod (32) realizes the lifting operation of the camera body (2) by a control assembly (34), the surface of the upper recess block (36) makes the camera lens (38) jump in the inside of the camera body (2) by a pulling unit (35); The first rotating assembly (33) includes a rotating groove (33-1) opened on one end of the second rotating rod (32), a rotating rod (33-2) is fixedly installed inside the rotating groove (33-1), and the rotating rod (33-2) penetrates the surface of the first rotating rod (31) and can rotate relative to the first rotating rod (31); The control assembly (34) includes a control cylinder (34-1), a piston rod (34-2) is slidably connected inside the control cylinder (34-1), the other side of the control cylinder (34-1) is provided with a connecting rod (34-3), and the mutually faraway ends of the piston rod (34-2) and the connecting rod (34-3) are connected with the side surfaces of the first rotating rod (31) and the second rotating rod (32) by a second rotating assembly (34-4); The second rotating assembly (34-4) includes an upper fixed block (34-41) installed on the side surface of the first rotating rod (31) and a lower fixed block (34-42) installed on the side surface of the second rotating rod (32), the mutually faraway ends of the piston rod (34-2) and the connecting rod (34-3) are fixedly provided with arc blocks (34-43), and the surfaces of the two arc blocks (34-43) are rotatably connected with the recesses of the upper fixed block (34-41) and the lower fixed block (34-42) respectively; The pulling unit (35) includes a support plate (35-1) fixedly installed on the side surface of the camera body (2), a supporting assembly (35-2) is arranged on the inside of the support plate (35-1), the surface of the upper recess block (36) is provided with a pulling rope (35-3), one end of the pulling rope (35-3) extends into the wall shell of the camera body (2), the surface of the camera lens (38) is symmetrically provided with a sliding plate (35-4), and the wall shell of the camera body (2) is provided with a sliding groove (35-5). One end of the pulling rope (35-3) is fixed with the side of the sliding plate (35-4), the sliding plate (35-4) slides in the inside of the sliding groove (35-5), the surface of the pulling rope (35-3) is sleeved with the resisting spring (35-6), and the two ends of the resisting spring (35-6) are fixed with the opposite sides of the sliding plate (35-4) and the sliding groove (35-5).

2. The mobile visual inspection system based on road fine cracks according to claim 1, characterized in that: The support assembly (35-2) comprises a support rotating shaft (35-21) rotatably installed on the inner side of the support plate (35-1), and a support wheel (35-22) is fixedly installed on the surface of the support rotating shaft (35-21).

3. The method of operating a mobile road crack detector based on road micro-cracks according to claim 2, characterized in that: Specifically comprising the following steps: S1, height adjustment: by starting the control cylinder (34-1), the movement of the piston rod (34-2) is driven by the control cylinder (34-1), and the first rotating rod (31) and the second rotating rod (32) are rotated under the rotating connection of the second rotating assembly (34-4), so as to drive the camera body (2) to adjust the height; S2, lens adjustment: when the control cylinder (34-1) drives the first rotating rod (31) and the second rotating rod (32) to rotate, the length of the pulling rope (35-3) between the upper concave block (36) and the camera body (2) is changed, and the focal length between the camera lens (38) and the camera body (2) is adjusted; S3, shooting operation: after the adjustment is completed, the unmanned aerial vehicle body (1) and the camera body (2) are started by the control system, so as to realize the detection operation of the small cracks on the road.

4. The method of claim 3, wherein: The control system comprises a control panel, a data transmission unit, and a data feedback unit, the control panel controls the data transmission unit to transmit data to the control cylinder (34-1) and the camera body (2) on the unmanned aerial vehicle body (1) through wireless local area network, and the operation and collected data are transmitted back to the control panel for display through the data feedback unit.

Images