Road detector

Abstract

The invention relates to the technical field of road detection, in particular to a road detector which comprises a function box, a cylinder is rotationally connected into the function box, a driving device is arranged at the rear end of the function box, an output shaft of the driving device is connected with the cylinder, a magnetic strip is embedded in the outer end of the cylinder and is of a single-circle spiral structure, and the outer end of the cylinder is connected with the driving device. Sound wave detection equipment is installed in the function box, a plurality of knocking rods are slidably connected to the lower end of the function box at equal intervals, movable plates are arranged at the upper ends of the knocking rods, magnetic plates are installed in the middles of the upper ends of the movable plates, magnetic strips and the magnetic plates are arranged in a repulsive mode, and a plurality of elastic pieces are installed at the lower ends of the movable plates at equal intervals; by means of the design, the surface parallelism and cavity defects of the road can be integrally detected, the probability of defects such as deformation caused by the cavity defects in the road during use is effectively reduced, the detection procedures and time are effectively reduced, and the detection effect is effectively guaranteed.

Description

Technical Field

[0001] The invention relates to a road detector, belonging to the technical field of road detection. Background Art

[0002] Roads are infrastructure for various trackless vehicles and pedestrians to pass through. According to their usage characteristics, they are divided into highways, urban roads, rural roads, factory and mine roads, forestry roads, test roads, competition roads, automobile test roads, workshop passages and school roads. After the construction of the road, the roadbed settlement makes the surface of the paved road uneven, which poses a certain hidden danger to vehicle driving. Therefore, when the road is completed, a road detector is generally used to detect the levelness of the roadbed. Road detectors in the existing technology generally use components such as laser sensors and levels to detect the road surface, but this method can only detect the road surface. During the construction of the road, it is easy for potential internal problems such as holes to appear inside the road, resulting in a high probability of defects such as deformation due to vehicle driving during use, which will affect the detection effect. In order to ensure that holes and other phenomena affect the road quality, the road is generally re-inspected again with equipment such as flaw detectors after the road detector performs a levelness test, which increases the detection process and time. Summary of the invention

[0003] In view of the problems in the prior art, the present invention provides a road detector.

[0004] The technical solution adopted by the present invention to solve its technical problem is: a road detector, including a function box, a function part is arranged at the upper end of the function box, a connecting part is installed at the middle position of the right end of the function part, a cylinder is rotatably connected inside the function box, and the cylinder is arranged along the length direction of the function box, a driving device is arranged at the rear end of the function box, and the output shaft of the driving device is connected to the cylinder, a magnetic strip is embedded at the outer end of the cylinder, and the magnetic strip is a single-turn spiral structure, an acoustic wave detection device is installed inside the function box, and the acoustic wave detection device is located on the right side of the cylinder, and a plurality of knocking rods are equidistantly slidably connected to the lower end of the function box, and the plurality of knocking rods extend into the function box; A movable plate is arranged at the upper end of the plurality of knocking rods, and the movable plate is located on the left side of the acoustic wave detection equipment, a magnetic plate is installed at the middle position of the upper end of the plurality of movable plates, and the plurality of magnetic plates are located directly below the cylinder, the magnetic strip and the plurality of magnetic plates are arranged in a repulsive manner, a plurality of elastic parts are equidistantly installed at the lower end of the movable plate, and the elastic parts are located on the outside of the knocking rod, the other ends of the plurality of elastic parts are installed on the bottom end inside the function box, an auxiliary part is arranged at the lower end of the function box, and the auxiliary part is located on the right side of the knocking rod, and the front end of the auxiliary part is connected to the front end of the shaft of the cylinder.

[0005] Further, the auxiliary part includes a conveyor belt, which is arranged at the lower side of the function box, and the cross section of the conveyor belt is a triangle with a narrow front and a wide rear. The front wall inside the conveyor belt is engaged with a first roller, and a rotating shaft is arranged in the middle of the upper end of the first roller. The rotating shaft is rotatably connected to the lower right end of the function box. The rear wall inside the conveyor belt is symmetrically engaged with two second rollers, and the two second rollers are both rotatably connected to the lower end of the function box. The outer end of the conveyor belt is equidistantly slidably connected to a plurality of L-shaped rods, and the L-shaped rods extend out of the lower side of the conveyor belt. Hard brushes are installed at the lower ends of the transverse parts of the plurality of L-shaped rods, and the L-shaped rods are located on the right side of the knocking rod. The plurality of L-shaped rods are arranged in a triangular structure that is narrow in front and wide in the back.

[0006] Furthermore, a large sprocket is arranged on the front side of the function box, the front end of the shaft of the cylinder passes through the function box and is connected to the large sprocket, the lower end of the function box is rotatably connected to the worm through a bearing seat, and the worm is located on the upper side of the conveyor belt, a small sprocket is installed at the front end of the worm, and the small sprocket is located on the front side of the function box, the small sprocket is connected to the large sprocket through a chain, the right end of the worm engages with the worm wheel, and the worm wheel is installed on the outer end of the rotating shaft.

[0007] Further, the functional part includes an I-shaped frame, the I-shaped frame is arranged on the upper side of the functional box, two moving wheels are symmetrically installed at both ends of the I-shaped frame, and the moving wheels are located outside the functional box, two U-shaped mounting frames are symmetrically arranged on the upper end of the functional box, and two transverse parts of the I-shaped frame respectively penetrate the two U-shaped mounting frames; The upper ends of the two lateral parts of the I-shaped frame are both rotatably connected to screws, and the screws are located in the U-shaped mounting frame. The upper ends of the two screws are both threadedly connected to straight cylinders, and the screws extend into the straight cylinders. The two straight cylinders are respectively rotatably connected to the top ends of the two U-shaped mounting frames, and the straight cylinders extend out of the upper side of the U-shaped mounting frame.

[0008] Furthermore, an operating rod is installed at the outer ends of the two straight cylinders, and the cross-section of the operating rod is L-shaped. The operating rod is located on the upper side of the U-shaped mounting frame. Gears are set at the outer ends of the two straight cylinders, and the gears are located in the U-shaped mounting frame. The two gears are connected to each other through a synchronous belt.

[0009] Furthermore, the connecting member includes a fixing rod, which is installed in the middle position of the right end of the I-shaped frame and is located on the inner side of the moving wheel. A round box is set at the right end of the fixing rod, and the round box is located on the right side of the moving wheel. A circular disc is movably installed in the circular box, a connecting rod is installed in the middle position of the right end of the circular disc, and the right end of the connecting rod passes through the opening of the circular box and extends out of the right side of the circular box. A mounting ring is set at the right end of the connecting rod.

[0010] Furthermore, a plurality of first rolling members are equidistantly installed at the right end edge of the disk, and the first rolling members are located outside the opening of the round box, and the rolling parts of the plurality of first rolling members are all rollingly connected to the right inner wall of the round box, a plurality of second rolling members are equidistantly arranged at the left end edge of the disk, and the rolling parts of the plurality of second rolling members are all rollingly connected to the left inner wall of the round box, and a plurality of arc-shaped elastic sheets are equidistantly installed at the annular end of the disk, and the other ends of the plurality of arc-shaped elastic sheets are all arranged on the annular inner wall of the round box.

[0011] Beneficial effects of the present invention: 1. Use multiple knocking rods to knock on the road surface to be inspected, and use the sound wave detector to collect and analyze the sound generated by the knocking, so as to provide data support for road inspection, realize integrated inspection of the surface parallelism and cavity defects of the road, effectively reduce the probability of deformation and other defects caused by cavity defects in the road during use, effectively reduce the inspection process and time, and effectively ensure the inspection effect.

[0012] 2. Through two straight cylinders, two gears, synchronous belts, two screws and two U-shaped mounting frames, the function box is moved downward to a suitable position to adjust the distance between the function box and the road surface to be tested, effectively reducing the probability of damage to components due to transportation, effectively ensuring the detection effect and effectively ensuring the service life.

[0013] 3. Through the motor, cylinder, single-turn spiral magnetic strip, multiple magnetic plates, and multiple elastic parts, multiple knocking rods are used to knock on different positions of the road surface to be tested in an orderly and indirect manner. On the one hand, the probability of mutual interference between the knocking sounds generated by different knocking rods is effectively reduced. On the other hand, the driving structure of the multiple knocking rods is simple, which effectively reduces the equipment cost, effectively guarantees the accuracy of the sound wave detector collection, and effectively guarantees the detection effect.

[0014] 4. By installing the ring, the connecting rod, the disc, multiple first bull's eyeballs, multiple second bull's eyeballs and multiple arc-shaped elastic sheets, the vibration caused by driving the vehicle can be offset, effectively reducing the probability of multiple knocking rods jumping due to vibration, etc., with high stability, effectively ensuring the detection effect and accuracy.

[0015] 5. The conveyor belt is moved through the large sprocket, chain, small sprocket, worm, worm wheel, rotating shaft, first roller and two second rollers, and then multiple L-shaped rods and multiple hard brushes are moved in a triangular shape along the road surface to be tested, so as to realize multiple cleaning of the road surface to be tested, effectively reducing the probability of interference of the knocking movement of the knocking rod due to impurities such as pebbles, and achieving linkage between the knocking movement and the cleaning movement, effectively reducing the number and cost of equipment, and effectively ensuring the detection effect and accuracy.

[0016] 6. Through the annular plate, folding tube, functional tube and annular rubber pad, the knocking position between the knocking rod and the road surface to be tested is located in the sealed cavity, so that the knocking sound of the knocking rod can be collected in the sealed cavity, effectively reducing the probability of the knocking sound being affected by external noise such as cleaning, and effectively ensuring the detection effect and accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Other features, objects and advantages of the present invention will become more apparent from the detailed description of non-limiting embodiments made with reference to the following drawings: Figure 1 It is a structural schematic diagram of a road detector of the present invention; Figure 2 A three-dimensional diagram of a road detector of the present invention; Figure 3 A cross-sectional view of a road detector of the present invention; Figure 4 for Figure 3 Enlarged view of part A in the middle; Figure 5 for Figure 3 Enlarged view of middle part B; Figure 6 A three-dimensional diagram of an I-shaped frame in a road detector of the present invention; Figure 7 It is an assembly diagram of a large sprocket, a motor and a cylinder in a road detector of the present invention; Figure 8 A three-dimensional diagram of a knock rod in a road detector of the present invention; Fig. 9 A three-dimensional diagram of a disc in a road detector of the present invention; Fig.10 It is an assembly diagram of a first roller, a conveyor belt and two second rollers in a road detector of the present invention; Fig.11 A schematic diagram of another embodiment of a road detector of the present invention; Fig.12 The present invention is an assembly diagram of a knocking rod, an annular plate, a folding tube and a functional cylinder in a road detector.

[0018] In the figure: 1, work-shaped frame, 2, function box, 3, large sprocket, 4, motor, 5, knocking rod, 6, cylinder, 7, acoustic wave detection equipment, 11, moving wheel, 12, fixed rod, 13, round box, 14, mounting ring, 15, connecting rod, 16, disc, 17, U-shaped mounting frame, 18, straight cylinder, 19, screw, 31, chain, 32, small sprocket, 33, worm wheel, 34, first roller, 35, conveyor Belt, 36, hard brush, 37, L-shaped rod, 38, worm, 39, second roller, 51, magnetic plate, 52, movable plate, 53, elastic member, 54, annular plate, 55, folding tube, 56, functional tube, 57, annular rubber pad, 61, magnetic strip, 161, first bull's eyeball, 162, arc-shaped elastic sheet, 163, second bull's eyeball, 181, synchronous belt, 182, gear, 341, rotating shaft. DETAILED DESCRIPTION

[0019] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0020] Embodiment 1: Figure 1-Figure 9 As shown, a road detector is provided, including a function box 2, two moving wheels 11 located outside the function box 2 are symmetrically installed at both ends of the left and right sides of an I-shaped frame 1 located on the upper side of the function box 2 and having two lateral parts respectively passing through two U-shaped mounting frames 17, and the four moving wheels 11 are used in combination to realize the moving operation, and the two U-shaped mounting frames 17 are symmetrically arranged on the upper end of the function box 2, and the U-shaped mounting frames 17 provide a mounting carrier for the straight cylinder 18, and two screws 19 located in the U-shaped mounting frames 17 and extending into the straight cylinder 18 are rotatably connected to the upper ends of the two lateral parts of the I-shaped frame 1, and the two screws 19 are used in combination to connect the two straight cylinders 18 with the I-shaped frame 1; The two straight cylinders 18 extending from the upper side of the U-shaped mounting frames 17 and rotatably connected to the top of the two U-shaped mounting frames 17 are respectively threadedly connected to the upper ends of the two screw rods 19. The straight cylinders 18 and the screw rods 19 are used in conjunction with each other to adjust the upper and lower positions of the function box 2. Two operating rods with L-shaped cross sections and located on the upper sides of the U-shaped mounting frames 17 are respectively installed on the outer ends of the two straight cylinders 18. The operating rods are used to rotate the straight cylinders 18. Then, two gears 182 located in the U-shaped mounting frames 17 and connected to each other by a synchronous belt 181 are respectively arranged on the outer ends of the two straight cylinders 18. The two gears 182 are used in conjunction with the synchronous belt 181 to rotate the two straight cylinders 18 synchronously. The fixing rod 12 located on the inner side of the moving wheel 11 is installed at the middle position of the right end of the work-shaped frame 1, and the round box 13 is connected to the work-shaped frame 1 through the fixing rod 12, and the round box 13 located on the right side of the moving wheel 11 is set on the right end of the fixing rod 12, and the round box 13 is used to provide a mounting carrier for the disc 16 and other components, and then the disc 16 is movably installed in the round box 13, and the disc 16 is used to provide a mounting carrier for the connecting rod 15, and the right end of the connecting rod 15 that passes through the opening of the round box 13 and extends from the right side of the round box 13 is installed at the middle position of the right end of the disc 16, and the connecting rod 15 is used to provide a mounting carrier for the mounting ring 14; The mounting ring 14 is arranged on the right end of the connecting rod 15, and the connecting rod 15 is connected to the driving vehicle through the mounting ring 14, and the fixing parts of the first rolling members located outside the opening of the round box 13 and whose rolling parts are rollingly connected to the right wall inside the round box 13 are equidistantly mounted on the right end edge position of the disc 16, and then the fixing parts of the second rolling members whose rolling parts are rollingly connected to the left wall inside the round box 13 are equidistantly arranged on the left end edge position of the disc 16, and the first rolling members are used in conjunction with the second rolling members to enable the disc 16 to be movably mounted between the round box 13, the first rolling member can adopt the first bull's eyeball 161, and the second rolling member can adopt the second bull's eyeball 163, and the arc-shaped elastic sheets 162 whose other ends are arranged on the annular inner wall of the round box 13 are equidistantly mounted on the annular end of the disc 16, and the arc-shaped elastic sheets 162 are used in conjunction with each other to elastically connect the disc 16 to the round box 13; The cylinder 6 arranged along the length direction of the function box 2 is rotatably connected to the inside of the function box 2, and a mounting carrier is provided for the magnetic strip 61 through the cylinder 6, and the fixing part of the driving device connected with the output shaft and the cylinder 6 is arranged on the rear end of the function box 2, and the cylinder 6 is driven to rotate through the driving device, and the driving device can be a motor 4, and then the magnetic strip 61 with a single-turn spiral structure is embedded on the outer end of the cylinder 6, and the magnetic plate 51 is moved downward through the magnetic strip 61, and the sound wave detection device 7 located on the right side of the cylinder 6 is installed in the inside of the function box 2, and the sound wave detection device 7 is used to detect the knocking sound generated by the knocking rod 5; A plurality of knocking rods 5 extending into the function box 2 are equidistantly slidably connected to the lower end of the function box 2, and the road surface is knocked by the knocking rods 5, and a plurality of movable plates 52 located on the left side of the sound wave detection equipment 7 are respectively arranged on the upper ends of the plurality of knocking rods 5, and a mounting carrier is provided for the magnetic plate 51 through the movable plate 52, and then a plurality of magnetic plates 51 located directly below the cylinder 6 and arranged in a repulsive manner are respectively installed in the middle position of the upper ends of the plurality of movable plates 52, and the movable plate 52 is moved downward by the magnetic plate 51, and a plurality of elastic members 53 located on the outside of the knocking rod 5 and the other end of which is installed on the bottom end of the function box 2 are equidistantly installed on the lower end of the movable plate 52, and the plurality of elastic members 53 are used in combination to return the movable plate 52 to its original position, and the elastic members 53 can be springs.

[0021] When in use, first assemble the mounting ring 14 to the connecting part of the moving vehicle, then hold and rotate an operating lever, thereby rotating the corresponding straight cylinder 18, rotating the corresponding gear 182, and synchronously rotating another gear 182 with the assistance of the synchronous belt 181, so that the two straight cylinders 18 rotate synchronously. Since the straight cylinder 18 is threadedly connected to the screw rod 19, the two straight cylinders 18 rotate and move downward synchronously at the same time, thereby causing the two U-shaped mounting frames 17 to move downward synchronously, so that the function box 2 moves downward to a suitable position, and the distance between the function box 2 and the road surface to be detected is adjusted, effectively reducing the probability of damage to components due to transportation, effectively ensuring the detection effect, and effectively ensuring the service life; Then, the vehicle is driven, and with the assistance of the four moving wheels 11, the function box 2 is moved along the road surface to be detected, and the motor 4 is started to drive the cylinder 6 to rotate, so that the magnetic strip 61 rotates. When a certain section of the magnetic strip 61 rotates to the bottom of the cylinder 6, a repulsive force is generated between the certain section of the magnetic strip 61 and the corresponding magnetic plate 51, and under the action of the repulsive force, the corresponding magnetic plate 51 moves downward, and then the corresponding movable plate 52 moves downward, so that the corresponding multiple elastic members 53 are compressed, so that the elastic members 53 generate elastic force; When the corresponding movable plate 52 moves downward, the corresponding knocking rod 5 will move downward and collide with the road surface to be detected. At this time, the sound wave detection device 7 will collect the knocking sound caused by the collision, and then the magnetic strip 61 will rotate with the rotation of the cylinder 6, so that a certain section of the magnetic strip 61 located directly below the cylinder 6 is separated from the corresponding magnetic plate 51, thereby eliminating the repulsive force, and under the elastic force of the elastic member 53, the magnetic plate 51, the movable plate 52 and the knocking rod 5 return to their original positions upward; With the above steps, the magnetic strip 61 with a single-turn spiral structure and the multiple magnetic plates 51 are used to make the multiple knocking rods 5 knock on different positions of the road surface to be tested in an orderly and indirect manner. On the one hand, the probability of mutual interference between the knocking sounds generated by different knocking rods 5 is effectively reduced. On the other hand, the driving structure of the multiple knocking rods 5 for knocking is simple, which effectively reduces the equipment cost, effectively ensures the accuracy of the sound wave detector, and effectively ensures the detection effect. When the knocking rod 5 knocks on the road surface to be detected, the sound wave detector will collect the sound generated by the knocking and analyze the corresponding audio. When the knocking rod 5 knocks on a hollow area in the road to be detected, the sound audio collected by the sound wave detector will change. When the road surface to be detected has a concave deformation phenomenon, the knocking rod 5 cannot have an impact contact with the corresponding area, and the sound wave detector does not collect the sound audio. When the road surface to be detected has a convex deformation phenomenon, the knocking rod 5 will have an impact contact with the corresponding area in advance, so that the sound wave detector can collect the sound audio in advance. The acoustic wave detector analyzes and calculates the collected sound audio to provide data support for road detection, and realizes integrated detection of the surface parallelism and cavity defects of the road, effectively reducing the probability of deformation and other defects caused by cavity defects in the road during use, effectively reducing the detection process and time, and effectively ensuring the detection effect; During the driving process of the vehicle, the vibration generated by the driving of the vehicle will be transmitted to the disc 16 through the mounting ring 14 and the connecting rod 15, and with the assistance of multiple first bull's eyeballs 161 and multiple second bull's eyeballs 163, the disc 16 and the round box 13 will move relative to each other, thereby applying extrusion or outward pulling to the multiple arc-shaped elastic sheets 162, so that the multiple arc-shaped elastic sheets 162 are all deformed, so that the arc-shaped elastic sheets 162 generate elastic force, and the elastic force of the multiple arc-shaped elastic sheets 162 will offset the vibration, thereby offsetting the vibration generated by the driving of the vehicle, effectively reducing the probability of the multiple knocking rods 5 jumping due to vibration, etc., with high stability, effectively ensuring the detection effect and accuracy.

[0022] Embodiment 2: A motor 4, a cylinder 6, a magnetic strip 61, a plurality of magnetic plates 51, a plurality of movable plates 52 and a plurality of elastic members 53 are used to enable a plurality of knocking rods 5 to knock on different positions of the road surface to be inspected in an orderly and indirectly manner, wherein the repulsive force generated between the magnetic strip 61 and the magnetic plate 51 is used to drive the knocking rod 5 to perform a knocking movement. However, impurities such as pebbles are likely to remain on the road surface to be inspected, and the knocking force generated by the magnetic repulsive force is relatively small, which causes the knocking rod 5 to easily collide with impurities such as pebbles and produce sounds, resulting in a high probability that impurities such as pebbles interfere with the knocking movement of the knocking rod 5, which will affect the detection effect and accuracy.

[0023] In order to solve the above problems, Figure 1 , Figure 2 , Figure 3 and Fig.10As shown, the first roller 34 is meshed with the inner front wall of the conveyor belt 35 which is located at the lower side of the function box 2 and has a triangular cross section with a narrow front and a wide rear. The conveyor belt 35 is moved by the first roller 34, and the rotating shaft 341 arranged in the middle of the upper end of the first roller 34 is rotatably connected to the lower end of the right part of the function box 2. The first roller 34 is rotatably connected to the function box 2 through the rotating shaft 341, and then the two second rollers 39 rotatably connected to the lower end of the function box 2 are symmetrically meshed with the inner rear wall of the conveyor belt 35. The two second rollers 39 are used in combination to assist the movement of the conveyor belt 35. A plurality of L-shaped rods 37 extending from the lower side of the conveyor belt 35 and located on the right side of the knocking rod 5 are arranged in a triangular structure with a narrow front and a wide rear, and the vertical parts are equidistantly slidably connected to the outer end of the conveyor belt 35. The L-shaped rods 37 provide a mounting carrier for the hard brush 36, and the plurality of hard brushes 36 are respectively mounted on the lower ends of the transverse parts of the plurality of L-shaped rods 37. The plurality of hard brushes 36 are used in combination to clean the road surface to be inspected, and then the worm gear 33 is mounted on the outer end of the rotating shaft 341, and the rotating shaft 341 is rotated by the worm gear 33; The front end of the shaft of the cylinder 6 is passed through the function box 2 and connected to the large sprocket 3 located on the front side of the function box 2, so that the large sprocket 3 rotates as the cylinder 6 rotates, and the worm 38 located on the upper side of the conveyor belt 35 and meshed with the left end of the worm wheel 33 is rotatably connected to the lower end of the function box 2 through the bearing seat, and the worm wheel 33 is rotated by the worm 38, and then the small sprocket 32 ​​located on the front side of the function box 2 and connected to the large sprocket 3 by the chain 31 is installed on the front end of the worm 38, and the worm 38 is rotated by the small sprocket 32.

[0024] When in use, first assemble the mounting ring 14 with the moving vehicle, then use the straight tube 18 and the screw 19 to move the function box 2 downward to a suitable position, at which time the multiple hard brushes 36 are in contact with the road surface to be detected, and then use the moving vehicle and the four moving wheels 11 to make the function box 2 move along the road surface to be detected, and use the motor 4 to rotate the cylinder 6 at the same time, so that the multiple knocking rods 5 can knock on different positions of the road surface to be detected in an orderly and indirect manner through the magnetic strip 61, multiple magnetic plates 51, multiple movable plates 52, and multiple elastic members 53, and use the sound wave detector to collect the sound generated by the knocking to provide data support for road detection; During the rotation of the cylinder 6, the large sprocket 3 is rotated, and the small sprocket 32 ​​is rotated under the transmission of the chain 31, and then the worm 38 is rotated. Since the worm 38 and the worm wheel 33 are meshed with each other, the rotation of the worm 38 will rotate the worm wheel 33, and then the rotating shaft 341 is rotated, so that the first roller 34 is rotated, and with the assistance of the two second rollers 39, the conveyor belt 35 is moved, and then the multiple L-shaped rods 37 are circulated along the conveyor belt 35, so that the multiple hard brushes 36 are moved along the road surface to be inspected; Since the multiple L-shaped rods 37 are arranged in a triangular structure with a narrow front and a wide rear, the multiple hard brushes 36 move in a triangular manner along the road surface to be detected. The hard brush 36 located on the right side performs the primary cleaning of the road surface to be detected and removes small stones and other solid impurities on the road surface to be detected forward. The hard brush 36 located on the left side performs the secondary cleaning of the road surface to be detected and removes the residual solid impurities on the road surface to be detected backward. The road surface to be inspected can be cleaned multiple times, effectively reducing the probability of impurities such as pebbles interfering with the knocking movement of the knocking rod 5, and achieving linkage between the knocking movement and the cleaning movement, effectively reducing the number of equipment and costs, and effectively ensuring the inspection effect and accuracy.

[0025] Embodiment three: A motor 4, a cylinder 6, a magnetic strip 61, a plurality of magnetic plates 51, a plurality of movable plates 52 and a plurality of elastic members 53 are used to enable a plurality of knocking rods 5 to knock on different positions of the road surface to be inspected in an orderly and indirect manner. However, the position where the knocking occurs between the knocking rods 5 and the road surface to be inspected is exposed, resulting in a high probability of being affected by external noise caused by the cleaning movement of the hard brush 36 when collecting the knocking sound, which will affect the detection effect and accuracy.

[0026] In order to solve the above problems, Fig.11 and Fig.12 As shown, multiple annular plates 54 located at the lower side of the functional box 2 are respectively installed on the outer ends of multiple knocking rods 5, and a mounting carrier is provided for the folding tube 55 through the annular plate 54, and multiple folding tubes 55 located at the outer sides of the knocking rods 5 are respectively arranged on the lower ends of multiple annular plates 54, and the annular plates 54 and the functional tubes 56 are movably connected through the folding tubes 55. Then, multiple functional tubes 56 which are slidably connected to the outer ends of the knocking rods 5 and have collection heads of sound wave detection equipment 7 arranged inside are respectively installed on the lower ends of multiple folding tubes 55, and a sealed space is provided for sound collection through the functional tubes 56, and multiple annular rubber pads 57 located at the lower sides of the knocking rods 5 are respectively connected and arranged on the lower ends of multiple functional tubes 56, and the annular rubber pads 57 can protect the functional tubes 56 on the one hand, and prevent the generation of sound between the functional tubes 56 and the road surface to be detected on the other hand.

[0027] During the downward movement of the knocking rod 5, the corresponding annular plate 54, folding tube 55, functional tube 56 and annular rubber pad 57 will move downward, and the annular rubber pad 57 will first flexibly contact and restrict the road surface to be detected, and then the knocking rod 5 and the annular plate 54 will continue to move downward, and the folding tube 55 will be folded, and then the knocking rod 5 will knock the road surface to be detected. At this time, the knocking position between the knocking rod 5 and the road surface to be detected is in the sealed cavity formed by the annular rubber pad 57 and the functional tube 56 on the road surface to be detected, and then the collection head of the acoustic wave detection device 7 will collect the sound generated by the knocking of the knocking rod 5 in the sealed cavity to provide data support for road detection; During the upward movement of the knocking rod 5, the annular plate 54 will move upward, and the folding tube 55 will be unfolded. At the same time, the folding tube 55 and the functional tube 56 will move upward and return to their original positions, effectively avoiding friction between the annular rubber pad 57 and the road surface to be detected during the movement of the functional box 2. The annular rubber pad 57 can be protected, and the knocking sound of the knocking rod 5 can be collected in the sealed cavity, effectively reducing the probability of the knocking sound being affected by external noise such as cleaning movement, and effectively ensuring the detection effect and accuracy.

[0028] Although this specification is described according to implementation modes, not every implementation mode includes only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A road detector, characterized in that: The invention comprises a function box (2), wherein a function part is arranged at the upper end of the function box (2), a connecting part is installed at the middle position of the right end of the function part, a cylinder (6) is rotatably connected inside the function box (2), and the cylinder (6) is arranged along the length direction of the function box (2), a driving device is arranged at the rear end of the function box (2), and the output shaft of the driving device is connected to the cylinder (6), a magnetic strip (61) is embedded at the outer end of the cylinder (6), and the magnetic strip (61) is in a single-turn spiral structure, an acoustic wave detection device (7) is installed inside the function box (2), and the acoustic wave detection device (7) is located on the right side of the cylinder (6), and a plurality of knocking rods (5) are equidistantly slidably connected to the lower end of the function box (2), and the plurality of knocking rods (5) all extend into the function box (2); A movable plate (52) is arranged at the upper end of the plurality of knocking rods (5), and the movable plate (52) is located on the left side of the sound wave detection device (7). A magnetic plate (51) is installed at the middle position of the upper end of the plurality of movable plates (52), and the plurality of magnetic plates (51) are located directly below the cylinder (6). The magnetic strip (61) and the plurality of magnetic plates (51) are arranged in a repulsive manner. A plurality of elastic members (53) are equidistantly installed at the lower end of the movable plate (52), and the elastic members (53) are located outside the knocking rod (5). The other ends of the plurality of elastic members (53) are installed on the bottom end of the function box (2). An auxiliary member is arranged at the lower end of the function box (2), and the auxiliary member is located on the right side of the knocking rod (5). The front end of the auxiliary member is connected to the front end of the shaft of the cylinder (6).

2. The road detector according to claim 1, characterized in that: The auxiliary component comprises a conveyor belt (35), the conveyor belt (35) being arranged at the lower side of the function box (2), and the cross section of the conveyor belt (35) being in the shape of a triangle with a narrow front and a wide rear. The front wall inside the conveyor belt (35) is engaged with a first roller (34), a rotating shaft (341) is arranged in the middle of the upper end of the first roller (34), and the rotating shaft (341) is rotatably connected to the lower right end of the function box (2). The rear wall inside the conveyor belt (35) is symmetrically engaged with two second rollers (39), and the two second rollers (39) are both rotatably connected to the lower end of the function box (2); The outer end of the conveyor belt (35) is equidistantly slidably connected to a plurality of L-shaped rods (37), and the L-shaped rods (37) extend out from the lower side of the conveyor belt (35). A hard brush (36) is installed at the lower end of the transverse portion of the plurality of L-shaped rods (37), and the L-shaped rods (37) are located on the right side of the knocking rod (5). The plurality of L-shaped rods (37) are arranged in a triangular structure that is narrow in front and wide in the back.

3. The road detector according to claim 2, characterized in that: A large sprocket (3) is arranged at the front side of the function box (2); the front end of the shaft of the cylinder (6) passes through the function box (2) and is connected to the large sprocket (3); the lower end of the function box (2) is rotatably connected to a worm (38) through a bearing seat, and the worm (38) is located on the upper side of the conveyor belt (35); a small sprocket (32) is installed at the front end of the worm (38), and the small sprocket (32) is located at the front side of the function box (2); the small sprocket (32) and the large sprocket (3) are connected through a chain (31); the right end of the worm (38) meshes with a worm wheel (33), and the worm wheel (33) is installed on the outer end of the rotating shaft (341).

4. The road detector according to claim 1, characterized in that: The functional component comprises an I-shaped frame (1), the I-shaped frame (1) being arranged on the upper side of the functional box (2), two moving wheels (11) being symmetrically mounted on both left and right ends of the I-shaped frame (1), and the moving wheels (11) being located outside the functional box (2), two U-shaped mounting frames (17) being symmetrically mounted on the upper end of the functional box (2), and two transverse portions of the I-shaped frame (1) respectively passing through the two U-shaped mounting frames (17); The upper ends of the two transverse parts of the I-shaped frame (1) are both rotatably connected to screw rods (19), and the screw rods (19) are located in the U-shaped mounting frame (17). The upper ends of the two screw rods (19) are both threadedly connected to straight tubes (18), and the screw rods (19) extend into the straight tubes (18). The two straight tubes (18) are respectively rotatably connected to the top ends of the two U-shaped mounting frames (17), and the straight tubes (18) extend out of the upper side of the U-shaped mounting frames (17).

5. The road detector according to claim 4, characterized in that: An operating rod is installed at the outer end of the two straight cylinders (18), and the cross section of the operating rod is L-shaped. The operating rod is located on the upper side of the U-shaped mounting frame (17). A gear (182) is provided at the outer end of the two straight cylinders (18), and the gear (182) is located inside the U-shaped mounting frame (17). The two gears (182) are connected to each other via a synchronous belt (181).

6. The road detector according to claim 4, characterized in that: The connecting member comprises a fixing rod (12), the fixing rod (12) being mounted at a middle position of the right end of the work-shaped frame (1), and the fixing rod (12) being located inside the moving wheel (11), a round box (13) being arranged at the right end of the fixing rod (12), and the round box (13) being located on the right side of the moving wheel (11), a round disc (16) being movably mounted in the round box (13), a connecting rod (15) being mounted at a middle position of the right end of the round disc (16), and the right end of the connecting rod (15) passing through an opening of the round box (13) and extending out of the right side of the round box (13), and a mounting ring (14) being arranged at the right end of the connecting rod (15).

7. The road detector according to claim 6, characterized in that: A plurality of first rolling members are equidistantly mounted on the right edge of the disk (16), and the first rolling members are located outside the opening of the circular box (13), and the rolling parts of the plurality of first rolling members are all rollingly connected to the right wall inside the circular box (13). A plurality of second rolling members are equidistantly mounted on the left edge of the disk (16), and the rolling parts of the plurality of second rolling members are all rollingly connected to the left wall inside the circular box (13). A plurality of arc-shaped elastic sheets (162) are equidistantly mounted on the annular end of the disk (16), and the other ends of the plurality of arc-shaped elastic sheets (162) are all arranged on the annular inner wall of the circular box (13).

Images