Road crack detection device

Abstract

The utility model relates to the technical field of road crack detection, and particularly discloses a road crack detection device which comprises a base, walking wheels are rotationally connected to four corners of the bottom of the base, a circular groove is formed in the middle of the base, a base frame is fixedly mounted at the top of the base, and an annular rail is fixedly mounted at the upper end of the base frame. By adopting the structure and arranging the driving mechanism, when the device is used for assisting detection, the second motor can be started to drive the driving gear to rotate and be in meshing transmission with the tooth groove, so that the sliding block transversely slides in the rail frame, the high-definition camera is assisted to annularly move in the circular groove, meanwhile, the third motor can drive the lead screw to rotate, and the detection accuracy is improved. The sliding block can transversely slide in the rail frame, transverse displacement of the high-definition camera is further assisted, the first motor can adjust sliding of the sliding block so as to adapt to different detection requirements, and therefore the device can flexibly adjust the moving mode of the high-definition camera, and the detection accuracy and the adaptation performance are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of road crack detection, especially relates to a road crack detection device. BACKGROUND

[0002] Road crack detection refers to the systematic and accurate identification and measurement of cracks on highways, urban roads and other pavements. This process usually includes comprehensive scanning and image collection of the pavement using professional equipment and techniques, such as laser ranging, infrared detection, unmanned aerial vehicle aerial photography or specialized road detection vehicles. Subsequently, through advanced image processing technology and algorithms, the collected images are automatically or manually analyzed to identify and locate cracks and measure their length, width and other key parameters. The purpose of road crack detection is to timely discover potential safety hazards on the pavement, providing accurate data support for road maintenance and repair work, thereby ensuring the flatness of the road and driving safety and prolonging the service life of the road. This process plays a crucial role in the modern road maintenance system and is an indispensable part of ensuring traffic safety and road smoothness.

[0003] The Chinese patent with publication number "CN213804780U" discloses a road crack detection device, which includes a mounting seat, the top surface of the mounting seat is provided with a display device, the lower part of the mounting seat is provided with a support plate, the bottom surface of the mounting seat is annularly and equally spacedly provided with three support legs, the lower part of the support leg is provided with a brake wheel assembly, the top surface of the support plate is provided with a pigment storage tank, the lower part of the pigment storage tank is provided with a connecting pipe, the connecting pipe is internally sleeved with a connecting rod A, the lower part of the connecting rod A is provided with a sealing block, the lower part of the sealing block is provided with a spring, and the bottom surface of the support plate is annularly and equally spacedly provided with a plurality of high-definition cameras. The utility model sets the support leg, brake wheel assembly and support plate at the lower part of the base, and sets a plurality of high-definition cameras on the bottom surface of the support plate, which facilitates movement and more clearly records and observes the road surface conditions. The brake wheel assembly facilitates movement of the device, and the device is small in size, facilitating detection of narrower road surfaces.

[0004] The above-mentioned device uses multiple high-definition cameras for shooting, but in the specific application process, the multiple high-definition cameras are still designed to be fixed, and the whole device cannot be adjusted, which is not convenient for accurate adjustment according to the detection position. Moreover, the device lacks a cleaning structure, and the crack is easily blocked by dust or stones and other impurities during detection, affecting the detection quality. Therefore, the device needs to be improved. UTILITY MODEL CONTENTS

[0005] In view of the problems mentioned in the background art, the utility model aims to provide a road crack detection device to solve the problems in the background art.

[0006] In order to achieve the above object, the technical scheme adopted by the utility model is: provide a road crack detection device, including base, the bottom four corner of base all rotatoryly connected with walking wheel, the middle part of base is equipped with round groove, the top of base is fixedly installed with base frame, the upper end of base frame is fixedly installed with ring rail, the inner side of ring rail is fixedly installed with drive mechanism, the bottom of drive mechanism is fixedly installed with detection mechanism;The top of ring rail is fixedly installed with support frame, the top of support frame is fixedly installed with pigment tank, the bottom of pigment tank is fixedly installed with discharge valve, the output of discharge valve is communicated with detection mechanism through hose.

[0007] The detection mechanism includes a connecting frame, the connecting frame is fixedly installed on the top of the drive mechanism, the bottom of the connecting frame is fixedly installed with a rail frame, the rail frame is fixedly installed with a first motor on one side, the output end of the first motor is fixedly installed with a lead screw penetrating through the rail frame, and the lead screw is rotatably connected to the inner side of the rail frame;The outer surface of the lead screw is slidably connected with a sliding block, and the bottom of the sliding block is fixedly installed with a detection assembly;The base serves as a support platform of the whole device, and is conveniently moved on the road through the walking wheels, the round groove opened in the middle part provides a space for the movement of the detection mechanism, and the drive mechanism is responsible for driving the detection mechanism to move in the round groove according to a specific track, so as to comprehensively and carefully detect the ground;The detection mechanism is the core part of the device, including the connecting frame, the rail frame, the first motor, the lead screw, the sliding block and the detection assembly, the connecting frame connects the drive mechanism and the detection mechanism together, ensuring that they can work cooperatively, the rail frame provides an installation and movement track for the sliding block and the lead screw, the first motor drives the lead screw to rotate, thereby driving the sliding block to slide horizontally in the rail frame, realizing the position adjustment of the detection assembly in the horizontal direction, the detection assembly is a key component for detecting cracks, which may include high-definition cameras and other equipment, for shooting and crack identification of the ground, the detection assembly is fixedly installed on the bottom of the sliding block, ensuring that it can stably shoot and detect the ground during movement, in addition, the design of the support frame and the pigment tank also reflects the practicability and convenience of the device, the support frame is used for supporting the pigment tank, ensuring that it is stably placed, the pigment tank is communicated with the detection mechanism through the discharge valve and the hose, when cracks are detected, the pigment can be automatically delivered to the ground for marking, facilitating subsequent processing, in general, the road crack detection device is reasonable in design, complete in function, can realize efficient and accurate detection of road cracks, and improves the efficiency and quality of road maintenance work.

[0008] The driving mechanism comprises a sliding block and a gear slot, the sliding block is slidingly connected to the inner side of the annular track, the inner side of the sliding block is fixedly provided with a fixed plate, the top of the fixed plate is fixedly connected with the upper end of a connecting frame, the top of the fixed plate is fixedly provided with a second motor on the inner side of the connecting frame, the output end of the second motor is fixedly provided with a driving gear through the fixed plate, the gear slot is equidistantly and annularly arranged on the inner side of the annular track, the driving gear is in engagement with the gear slot, and the sliding block is slidingly connected to the inner side of the annular track, so that the whole driving mechanism can move along the inner side of the annular track, the inner side of the sliding block is fixedly provided with the fixed plate, the fixed plate not only plays a supporting and fixing role, but also serves as a bridge connecting the driving mechanism and the detection mechanism, the top of the fixed plate is fixedly connected with the upper end of the connecting frame, so as to ensure the stable connection between the driving mechanism and the detection mechanism, the top of the fixed plate is fixedly provided with the second motor on the inner side of the connecting frame, which is the power source of the driving mechanism, the output end of the second motor is fixedly provided with the driving gear through the fixed plate, and the design of the driving gear can effectively convert the power of the second motor into the rotary motion of the gear, the gear slot is equidistantly and annularly arranged on the inner side of the annular track and is in engagement with the driving gear, and the design enables the driving gear to move along the gear slot when rotating, so as to drive the whole driving mechanism and the detection mechanism to move along the inner side of the annular track.

[0009] The inner side of the rail frame and the overall cross-sectional shape of the sliding block are both designed as a cross shape, and the overall cross-sectional shape of the sliding block and the inner side of the annular track is designed as a convex shape, the overall cross-sectional shape of the rail frame and the sliding block is designed as a cross shape, which helps to increase the stability and bearing capacity of the structure, so that the sliding block slides more stably in the rail frame and is not easy to shake or deviate, and meanwhile, the cross-shaped design also makes the contact area between the sliding block and the rail frame larger, disperses the stress, reduces the wear and tear, and prolongs the service life.

[0010] The detection assembly comprises a high-definition camera, the high-definition camera is fixedly installed at the bottom of the sliding block, and a marking head is fixedly installed on the two sides of the high-definition camera, the input end of the marking head is in communication with the discharge valve at the bottom of the pigment tank through a hose, the detection assembly mainly comprises the high-definition camera and the marking head, and the two work cooperatively to realize accurate detection and marking of the cracks, the high-definition camera is fixedly installed at the bottom of the sliding block and is a key equipment for capturing images of the road surface cracks, has high resolution and wide-angle view, can clearly capture the details of the ground, and can identify cracks through image processing technology, the installation position of the high-definition camera ensures that the high-definition camera can flexibly adjust the shooting angle and range with the movement of the sliding block, so as to realize omnidirectional detection of the road surface, and the marking head is fixedly installed on the two sides of the high-definition camera, and the marking heads are used to automatically spray marks when cracks are detected.

[0011] As a preferred technical scheme, the detection assembly further comprises a side frame fixedly installed on the outer side of the sliding block, both ends of the outer side of the side frame are fixedly installed with third motors, the output ends of the third motors are fixedly installed with cleaning brush plates penetrating through the side frame, the overall cross-sectional shape of the bottom cleaning brush of the cleaning brush plate is in the shape of an isosceles trapezoid, and the side frame is fixedly installed on the outer side of the sliding block; such a design enables the side frame to move along with the movement of the sliding block, thereby realizing synchronous cleaning of the detection path, both ends of the outer side of the side frame are fixedly installed with third motors, the third motors serve as the power source of the cleaning brush plate, ensuring that the cleaning brush plate can stably and efficiently rotate, the output ends of the third motors are fixedly installed with cleaning brush plates penetrating through the side frame, and the cleaning brush plate is very practical in design, and the overall cross-sectional shape of the bottom cleaning brush thereof is in the shape of an isosceles trapezoid; such a shape not only increases the contact area of the cleaning brush and improves the cleaning effect, but also enables the cleaning brush to better adapt to the unevenness of the ground when rotating, ensuring the uniformity and completeness of cleaning.

[0012] The top side of the base is fixedly installed with a handrail rod, the outer end of the handrail rod is fixedly installed with a handrail frame, and the outer surface of the handrail frame is fixedly installed with an anti-skid handrail sleeve; the design of the handrail rod and the handrail frame provides great convenience and safety for the operator of the road crack detection device, the handrail rod is fixedly installed on the top side of the base, so that the operator can stably hold the handrail rod during operation, thereby maintaining the balance and stability of the body, the outer end of the handrail rod is fixedly installed with the handrail frame, thereby further increasing the comfort and stability of the operator holding the handrail rod, and the outer surface of the handrail frame is fixedly installed with the anti-skid handrail sleeve, which takes into account the safety requirements of the operator in actual use.

[0013] The top side of the base is fixedly installed with a handrail rod, the outer end of the handrail rod is fixedly installed with a handrail frame, and the outer surface of the handrail frame is fixedly installed with an anti-skid handrail sleeve; the design of the handrail rod and the handrail frame provides great convenience and safety for the operator of the road crack detection device, the handrail rod is fixedly installed on the top side of the base, so that the operator can stably hold the handrail rod during operation, thereby maintaining the balance and stability of the body, the outer end of the handrail rod is fixedly installed with the handrail frame, thereby further increasing the comfort and stability of the operator holding the handrail rod, and the outer surface of the handrail frame is fixedly installed with the anti-skid handrail sleeve, which takes into account the safety requirements of the operator in actual use.

[0014] The utility model discloses an advantageous effect is: through setting up drive mechanism, this device can start second motor drive driving gear rotation in the auxiliary detection, with the gear groove meshing transmission, make the sliding block in the rail frame horizontal sliding, thereby auxiliary high definition camera annular movement in the circular groove, simultaneously, third motor can drive screw rod rotation, make the sliding block in the rail frame horizontal sliding, further auxiliary high definition camera horizontal displacement, first motor can adjust the sliding block sliding, to adapt to different detection demand, in this way, this device can flexible adjustment high definition camera's movement mode, improve detection accuracy and adaptive performance, through setting up detection mechanism, this device can utilize high definition camera to shoot ground, detect crack, when the sliding block moves, side frame moves along, drive third motor and cleaning brush board, and third motor makes cleaning brush board synchronous rotation when moving, and high -efficiently sweeps ground, avoids the crack of gravel and dust shelter, improves detection precision, when detecting crack, can start material discharge valve, and the pigment in pigment tank is transported to the mark spray head through the hose, and the crack is automatically marked, and subsequent processing is convenient, and use convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the whole structure schematic diagram of the utility model;

[0016] Figure 2 It is the elevation structure schematic diagram of the utility model;

[0017] Figure 3 It is the detection mechanism elevation structure schematic diagram of the utility model;

[0018] Figure 4 It is the detection mechanism plan structure schematic diagram of the utility model;

[0019] Figure 5 It is the A place enlarged structure schematic diagram in the utility model Figure 2 .

[0020] Signification of drawing: 1, base;2, walking wheel;3, circular groove;4, base frame;5, annular rail;6, drive mechanism;61, sliding block;62, gear groove;63, fixed plate;64, second motor;65, driving gear;7, detection mechanism;71, connecting frame;72, rail frame;73, first motor;74, screw rod;75, sliding block;76, detection assembly;761, high definition camera;762, mark spray head;763, hose;764, side frame;765, third motor;766, cleaning brush board;8, support frame;9, pigment tank;10, material discharge valve;11, handrail;12, handrail frame;13, feed hopper. PREFERRED EMBODIMENT

[0021] As Figures 1-5As shown, the road crack detection device of the embodiment comprises a base 1, four corners of the bottom of the base 1 are rotatably connected with walking wheels 2, a circular groove 3 is formed in the middle of the base 1, a base frame 4 is fixedly installed on the top of the base 1, a ring rail 5 is fixedly installed on the upper end of the base frame 4, a driving mechanism 6 is fixedly installed on the inner side of the ring rail 5, a detection mechanism 7 is fixedly installed on the bottom of the driving mechanism 6, a supporting frame 8 is fixedly installed on the top of the ring rail 5, a pigment tank 9 is fixedly installed on the top of the supporting frame 8, a discharge valve 10 is fixedly installed on the bottom of the pigment tank 9, and the output of the discharge valve 10 is communicated with the detection mechanism 7 through a hose 763; the detection mechanism 7 comprises a connecting frame 71 fixedly installed on the top of the driving mechanism 6, a rail frame 72 fixedly installed on the bottom of the connecting frame 71, a first motor 73 fixedly installed on one side of the rail frame 72, a lead screw 74 fixedly installed on the output end of the first motor 73 and rotatably connected to the inner side of the rail frame 72, a sliding block 75 slidably connected to the outer surface of the lead screw 74, and a detection assembly 76 fixedly installed on the bottom of the sliding block 75; the base 1 serves as a supporting platform of the entire device and is conveniently moved on the road through the walking wheels 2, the circular groove 3 formed in the middle provides space for the movement of the detection mechanism 7, and the driving mechanism 6 is responsible for driving the detection mechanism 7 to move in the circular groove 3 according to a specific track, so as to comprehensively and carefully detect the ground; the detection mechanism 7 is the core part of the device and comprises the connecting frame 71, the rail frame 72, the first motor 73, the lead screw 74, the sliding block 75 and the detection assembly 76; the connecting frame 71 connects the driving mechanism 6 and the detection mechanism 7 together to ensure that they can work cooperatively; the rail frame 72 provides an installation and movement track for the sliding block 75 and the lead screw 74; the first motor 73 drives the lead screw 74 to rotate, thereby driving the sliding block 75 to slide horizontally in the rail frame 72, so as to adjust the position of the detection assembly 76 in the horizontal direction; the detection assembly 76 is a key component for detecting cracks and can comprise a high-definition camera 761 and other equipment for shooting the ground and identifying cracks; the detection assembly 76 is fixedly installed on the bottom of the sliding block 75 to ensure that it can stably shoot and detect the ground during movement; in addition, the design of the supporting frame 8 and the pigment tank 9 also reflects the practicability and convenience of the device; the supporting frame 8 is used for supporting the pigment tank 9 to ensure that it is stably placed; the pigment tank 9 is communicated with the detection mechanism 7 through the discharge valve 10 and the hose 763; when a crack is detected, the pigment can be automatically delivered to the ground for marking, which is convenient for subsequent processing; in general, the road crack detection device is reasonably designed and fully functional, can realize efficient and accurate detection of road cracks, and improve the efficiency and quality of road maintenance work.

[0022] As Figures 1-5As shown, the driving mechanism 6 includes a sliding block 61 and a tooth groove 62, the sliding block 61 is slidingly connected to the inner side of the annular track 5, the inner side of the sliding block 61 is fixedly installed with a fixed plate 63, the top of the fixed plate 63 is fixedly connected with the upper end of a connecting frame 71, the inner side of the top of the fixed plate 63 is fixedly installed with a second motor 64, the output end of the second motor 64 is fixedly installed with a driving gear 65 penetrating through the fixed plate 63, the tooth groove 62 is equally spaced and annularly arranged on the inner side of the annular track 5, the driving gear 65 is meshingly connected with the tooth groove 62, and the sliding block 61 is slidingly connected to the inner side of the annular track 5; This makes the entire driving mechanism 6 capable of circumferential movement along the inner side of the annular track 5. The inner side of the sliding block 61 is fixedly installed with a fixed plate 63; The fixed plate 63 not only plays a supporting and fixing role; Also as a bridge connecting the driving mechanism 6 and the detection mechanism 7. The top of the fixed plate 63 is fixedly connected with the upper end of the connecting frame 71; Ensure the stable connection between the driving mechanism 6 and the detection mechanism 7. The inner side of the top of the fixed plate 63 is fixedly installed with a second motor 64; This is the power source of the driving mechanism 6. The output end of the second motor 64 is fixedly installed with a driving gear 65 penetrating through the fixed plate 63; The design of the driving gear 65 makes the power of the second motor 64 effectively converted into the rotary motion of the gear. The tooth groove 62 is equally spaced and annularly arranged on the inner side of the annular track 5; Meshingly connected with the driving gear 65. This design makes the driving gear 65 capable of circumferential movement along the tooth groove 62 when rotating; Thus driving the entire driving mechanism 6 and the detection mechanism 7 to move circumferentially along the inner side of the annular track 5. This driving method is not only stable and reliable; But also can ensure that the detection mechanism 7 moves along the predetermined track; Improve the accuracy and efficiency of detection.

[0023] As Figures 1-5 shown, the inner side of the rail frame 72 and the overall cross-sectional shape of the sliding block 75 are both designed as a cross shape, the overall cross-sectional shape of the sliding block 61 and the inner side of the annular track 5 is designed as a convex shape, the overall cross-sectional shape of the rail frame 72 and the sliding block 75 is designed as a cross shape, which helps to increase the stability and load-bearing capacity of the structure, making the sliding block 75 slide more smoothly inside the rail frame 72, not easy to shake or deviate, at the same time, the cross-shaped design also makes the contact area between the sliding block 75 and the rail frame 72 larger, disperses the stress, reduces the wear and tear, prolongs the service life, in addition, the overall cross-sectional shape of the sliding block 61 and the inner side of the annular track 5 is designed as a convex shape, this design is also to increase the stability and load-bearing capacity of the structure, the convex sliding block 61 can closely fit the inner side of the annular track 5, reducing the friction and resistance when sliding, making the driving mechanism 6 can move more smoothly along the annular track 5, at the same time, the convex design can also prevent the sliding block 61 from falling off the annular track 5 to a certain extent, improving the safety and reliability of the entire device.

[0024] AsFigures 1-4 As shown, the detection assembly 76 includes a high-definition camera 761 fixedly installed at the bottom of the sliding block 75, and a marking sprayer 762 fixedly installed on both sides of the high-definition camera 761. The input end of the marking sprayer 762 is connected in communication with the discharge valve 10 at the bottom of the pigment tank 9 through a hose 763. The detection assembly 76 mainly consists of the high-definition camera 761 and the marking sprayer 762, and the two work cooperatively to realize accurate detection and marking of the cracks. The high-definition camera 761 is fixedly installed at the bottom of the sliding block 75, and is a key equipment for capturing images of the road surface cracks. It has high resolution and wide-angle view, can clearly capture the details of the ground, and can identify cracks through image processing technology. The installation position of the high-definition camera 761 ensures that it can flexibly adjust the shooting angle and range along with the movement of the sliding block 75, so as to realize omnidirectional detection of the road surface. The marking sprayer 762 is fixedly installed on both sides of the high-definition camera 761, and is used to automatically spray marks when cracks are detected. The input end of the marking sprayer 762 is connected in communication with the discharge valve 10 at the bottom of the pigment tank 9 through the hose 763. When the high-definition camera 761 detects cracks and triggers the marking mechanism, the discharge valve 10 will be opened, and the pigment will be transported to the marking sprayer 762 through the hose 763. The marking sprayer will then spray marks. This design ensures the timeliness and accuracy of the marking, and is helpful for subsequent positioning and repair of the cracks.

[0025] As shown, the detection assembly 76 includes a high-definition camera 761 fixedly installed at the bottom of the sliding block 75, and a marking sprayer 762 fixedly installed on both sides of the high-definition camera 761. The input end of the marking sprayer 762 is connected in communication with the discharge valve 10 at the bottom of the pigment tank 9 through a hose 763. The detection assembly 76 mainly consists of the high-definition camera 761 and the marking sprayer 762, and the two work cooperatively to realize accurate detection and marking of the cracks. The high-definition camera 761 is fixedly installed at the bottom of the sliding block 75, and is a key equipment for capturing images of the road surface cracks. It has high resolution and wide-angle view, can clearly capture the details of the ground, and can identify cracks through image processing technology. The installation position of the high-definition camera 761 ensures that it can flexibly adjust the shooting angle and range along with the movement of the sliding block 75, so as to realize omnidirectional detection of the road surface. The marking sprayer 762 is fixedly installed on both sides of the high-definition camera 761, and is used to automatically spray marks when cracks are detected. The input end of the marking sprayer 762 is connected in communication with the discharge valve 10 at the bottom of the pigment tank 9 through the hose 763. When the high-definition camera 761 detects cracks and triggers the marking mechanism, the discharge valve 10 will be opened, and the pigment will be transported to the marking sprayer 762 through the hose 763. The marking sprayer will then spray marks. This design ensures the timeliness and accuracy of the marking, and is helpful for subsequent positioning and repair of the cracks. Figures 1-4As shown, the detection assembly 76 also includes a side frame 764 fixedly installed on the outer side of the sliding block 75, both ends of the outer side of the side frame 764 are fixedly installed with a third motor 765, the output end of the third motor 765 is fixedly installed with a cleaning brush plate 766 penetrating through the side frame 764, the overall cross-sectional shape of the bottom cleaning brush of the cleaning brush plate 766 is arranged in isosceles trapezoidal shape, the side frame 764 is fixedly installed on the outer side of the sliding block 75, which enables the side frame 764 to move with the movement of the sliding block 75, thereby realizing synchronous cleaning of the detection path, both ends of the outer side of the side frame 764 are fixedly installed with a third motor 765, the third motor 765 serves as the power source of the cleaning brush plate 766, ensuring that the cleaning brush plate 766 can stably and efficiently rotate, the output end of the third motor 765 is fixedly installed with a cleaning brush plate 766 penetrating through the side frame 764, the design of the cleaning brush plate 766 is very practical, and the overall cross-sectional shape of the bottom cleaning brush thereof is arranged in isosceles trapezoidal shape. This shape not only increases the contact area of the cleaning brush, improves the cleaning effect, but also enables the cleaning brush to better adapt to the unevenness of the ground when rotating, ensuring the uniformity and completeness of cleaning. During the detection process, when the high-definition camera 761 captures a ground crack, the third motor 765 can be started to drive the cleaning brush plate 766 to rotate and clean the ground. The rotary motion of the cleaning brush plate 766 can effectively remove debris such as stones and dust from the ground, avoiding the obstruction of these impurities to the crack and affecting the accuracy of the detection result. At the same time, the isosceles trapezoidal design of the cleaning brush plate 766 enables it to better fit the ground, improving the cleaning effect.

[0026] As shown in Figures 1-4 The top side of the base 1 is fixedly installed with a handrail rod 11, the outer end of the handrail rod 11 is fixedly installed with a handrail frame 12, and the outer surface of the handrail frame 12 is fixedly installed with an anti-skid handrail sleeve. The design of the handrail rod and the handrail frame 12 provides great convenience and safety for the operator of the road crack detection device. The handrail rod 11 is fixedly installed on the top side of the base 1, so that the operator can hold the handrail rod 11 stably during operation, maintaining the balance and stability of the body. The outer end of the handrail rod 11 is fixedly installed with a handrail frame 12, further increasing the comfort and stability of the operator's grip. The outer surface of the handrail frame 12 is fixedly installed with an anti-skid handrail sleeve, which takes into account the safety needs of the operator in actual use. The anti-skid handrail sleeve can increase the friction between the operator's hand and the handrail frame 12, preventing slipping due to wet or sweaty hands. This ensures that the operator can always hold the handrail frame 12 firmly during device movement or operation, avoiding accidental falls or injuries.

[0027] As shown in Figures 1-4As shown, the top side of the pigment tank 9 is fixedly installed with a feeding hopper 13, the bottom of the feeding hopper 13 and the inside of the pigment tank 9 are communicated, and the bottom of the feeding hopper 13 and the inside of the pigment tank 9 are communicated, which provides a convenient channel for adding pigment to the pigment tank 9. The operator can pour the pigment into the pigment tank 9 through this feeding hopper 13 for subsequent crack marking. This design avoids the cumbersome operation of directly opening the pigment tank 9 for feeding, improves the efficiency and convenience of feeding, and at the same time, the communication design of the feeding hopper 13 and the pigment tank 9 ensures that the pigment can flow smoothly and unobstructed into the pigment tank 9, reducing the leakage or blockage problems that may occur during feeding. This ensures the stability and reliability of the device during use, also prolongs the service life of the device.

[0028] Principle and advantages: By setting the drive mechanism 6, so that the device during auxiliary detection, can be run by starting the second motor 64, using the second motor 64 drive transmission main gear 65 rotation, main gear 65 rotation matching tooth groove 62 meshing transmission, namely auxiliary drive sliding block 75 in the inside of the rail 72 lateral sliding, in turn, it can be assisted to drive the high-definition camera 761 in the circular groove 3 inside the ring movement, while in the process of moving adjustment, can be run by starting the third motor 765, using the third motor 765 drive screw 74 inside the rail 72 rotation, through the screw 74 rotation can drive the sliding block 61 in the inside of the rail 72 lateral sliding, through the sliding block 61 lateral sliding, namely auxiliary drive high-definition camera 761 lateral displacement, so that the device in the process of use, can be adjusted according to the detection requirements of high-definition camera 761 circular movement, while the first motor 73 drive sliding block 75 sliding, can adapt to further adjust, in the range of circular groove 3 can be flexible detection of any position, can improve the overall detection accuracy and adjustable adaptability of the device; By setting the detection mechanism 7, so that the device during use, can be assisted by high-definition camera 761 to shoot the ground, can detect the crack in the ground, while in this process, when the sliding block 61 displacement interaction, can adaptively drive the side frame 764 activity, through the side frame 764 activity can be assisted to drive the third motor 765 and cleaning brush plate 766 activity, using the third motor 765 operation, namely in the process of cleaning brush plate 766 movement, through the third motor 765 drive cleaning brush plate 766 synchronous rotation, make cleaning brush plate 766 moves while in the state of its own rotation, can efficiently clean the ground, avoid the ground gravel and dust impurities block the crack in the ground, can improve the overall detection accuracy of the device during use, while in the process of detection, when the crack is detected, start the discharge valve 10, at this time, the paint in the paint tank 9 can be delivered to the mark nozzle 762 through the hose 763, in turn, it can be assisted by mark nozzle 762 to smear the ground, can make the device can be automatically marked, facilitate subsequent processing of the crack, can improve the overall use convenience of the device.

Claims

1. A road crack detection device, comprising a base (1), characterized in that: The base (1) has four corners at the bottom of which are rotatably connected to a traveling wheel (2). A circular groove (3) is opened in the middle of the base (1). A base frame (4) is fixedly installed on the top of the base (1). A ring rail (5) is fixedly installed on the upper end of the base frame (4). A drive mechanism (6) is fixedly installed on the inner side of the ring rail (5). A detection mechanism (7) is fixedly installed at the bottom of the drive mechanism (6). A support frame (8) is fixedly installed on the top of the ring rail (5). A pigment tank (9) is fixedly installed on the top of the support frame (8). A discharge valve (10) is fixedly installed at the bottom of the pigment tank (9). The output of the discharge valve (10) is connected to the detection mechanism (7) through a hose (763). The detection mechanism (7) includes a connecting frame (71), which is fixedly installed on the top of the drive mechanism (6). A rail frame (72) is fixedly installed at the bottom of the connecting frame (71). A first motor (73) is fixedly installed on one side of the rail frame (72). A lead screw (74) is fixedly installed through the rail frame (72) at the output end of the first motor (73). The lead screw (74) is rotatably connected to the inner side of the rail frame (72). A sliding block (75) is slidably connected to the outer surface of the lead screw (74). A detection component (76) is fixedly installed at the bottom of the sliding block (75).

2. The road crack detection device according to claim 1, characterized in that: The driving mechanism (6) includes a slider (61) and a toothed groove (62). The slider (61) is slidably connected to the inner side of the annular rail (5). A fixing plate (63) is fixedly installed on the inner side of the slider (61). The top of the fixing plate (63) is fixedly connected to the upper end of the connecting frame (71). A second motor (64) is fixedly installed on the top of the fixing plate (63) inside the connecting frame (71). The output end of the second motor (64) is fixedly installed with a drive gear (65) through the fixing plate (63). The toothed groove (62) is evenly spaced and ring-shaped on the inner side of the annular rail (5). The drive gear (65) and the toothed groove (62) are meshed together.

3. The road crack detection device according to claim 2, characterized in that: The inner side of the rail frame (72) and the overall cross-sectional shape of the sliding block (75) are both set to a cross shape, and the inner side of the slider (61) and the ring rail (5) are both set to a convex shape.

4. The road crack detection device according to claim 1, characterized in that: The detection component (76) includes a high-definition camera (761), which is fixedly installed on the bottom of the sliding block (75). Marking nozzles (762) are fixedly installed on both sides of the high-definition camera (761). The input end of the marking nozzle (762) is connected to the discharge valve (10) at the bottom of the pigment tank (9) through a hose (763).

5. A road crack detection device according to claim 4, characterized in that: The detection component (76) also includes a side frame (764), which is fixedly installed on the outside of the sliding block (75). A third motor (765) is fixedly installed at both ends of the outside of the side frame (764). The output end of the third motor (765) passes through the side frame (764) and is fixedly installed with a cleaning brush plate (766). The overall cross-sectional shape of the cleaning brush at the bottom of the cleaning brush plate (766) is an isosceles trapezoid.

6. A road crack detection device according to claim 1, characterized in that: A handrail (11) is fixedly installed on one side of the top of the base (1), a handrail frame (12) is fixedly installed on the outer end of the handrail (11), and an anti-slip handrail glove is fixedly installed on the outer surface of the handrail frame (12).

7. A road crack detection device according to claim 1, characterized in that: A feed hopper (13) is fixedly installed on one side of the top of the pigment tank (9), and the bottom of the feed hopper (13) is connected to the inside of the pigment tank (9).

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