Asphalt concrete pavement quality detection device

Abstract

The present invention discloses an asphalt concrete pavement quality detection device, which relates to the technical field of detection devices, including a carrier, a cleaning component is arranged on one side of the carrier, moving wheels are arranged around the bottom of the carrier, and a detection component for detecting the flatness of the pavement is arranged on the carrier. The asphalt concrete pavement quality detection device can accurately detect the unevenness of the pavement through the combination of the detection wheel, the lifting rod, and the recording pen, and record this information on the scale paper roll in the form of lines similar to an electrocardiogram. This method is not only intuitive, but also convenient for subsequent analysis and evaluation of the flatness of the pavement; the device can automatically adjust the spraying amount of the marking material according to the unevenness of the pavement. When the unevenness of the pavement is more serious, more marking materials are sprayed through the adjustment mechanism, thereby forming more obvious marks at the uneven places. This intelligent adjustment mechanism ensures the accuracy and effectiveness of the marking.

Description

Technical Field

[0001] The invention relates to the technical field of detection devices, and in particular to an asphalt concrete pavement quality detection device. Background Art

[0002] In the field of highway construction and maintenance, the quality inspection of asphalt concrete pavement is a crucial link. Traditional asphalt concrete pavement quality inspection devices mainly rely on manual measurement and visual evaluation. This method is not only inefficient, but also easily affected by human factors, making it difficult to ensure the accuracy and reliability of the inspection results. With the advancement of science and technology, automated and intelligent inspection devices are gradually applied to this field, but there are still some significant shortcomings.

[0003] Most of the asphalt concrete pavement quality detection devices on the market currently use mechanical sensors or laser scanners to measure key parameters such as pavement flatness and thickness. Although these devices can improve detection efficiency to a certain extent, they still have the following defects:

[0004] Complicated data processing: The data collected during the inspection process often requires complex post-processing to be converted into understandable reports, which increases the workload of inspectors and the possibility of errors;

[0005] Single marking function: Although some devices have marking functions, they can only perform simple color marking or spraying. They cannot perform differentiated marking according to the degree of road surface unevenness, and it is difficult to provide detailed road surface quality information. Summary of the invention

[0006] In view of the deficiencies in the prior art, the present invention provides an asphalt concrete pavement quality detection device, which solves the technical problems mentioned in the background technology.

[0007] To achieve the above objectives, the present invention is implemented through the following technical solutions: an asphalt concrete pavement quality detection device, including a carrier, a cleaning component is arranged on one side of the carrier, moving wheels are arranged around the bottom of the carrier, and a detection component for detecting the flatness of the pavement is arranged on the carrier;

[0008] The detection component includes a slide groove opened on the carrier, in which a screw rod and a sliding rod are arranged, a sliding seat is arranged on the screw rod and the sliding rod, and an adjusting motor is arranged at one end of the screw rod; the sliding seat is slidably connected to a lifting rod in the vertical direction, a connecting plate is fixedly connected to the bottom of the lifting rod, and a detection wheel is arranged at the bottom of the connecting plate, a marking part is arranged on one side of the detection wheel, a recording pen is arranged on the side wall of the lifting rod, and a scale line paper roll is arranged on one side of the recording pen.

[0009] As a further optimization of the present technical solution, a unwinding shaft and a reeling shaft are rotatably arranged on both sides of the top of the carrier, a scale line paper roll is arranged on the unwinding shaft, the other end of the scale line paper roll is connected to the reeling shaft, and the position of the recording pen corresponds to the position of the scale line paper roll.

[0010] As a further preferred embodiment of the present technical solution, a transmission rod is rotatably connected to the top of the carrier, one end of the transmission rod is transmission-connected to the winding shaft through a first bevel gear set, the other end of the transmission rod is transmission-connected to a connecting shaft through a second bevel gear set, and the connecting shaft is connected to the axis of the moving wheel.

[0011] As a further preferred embodiment of the present technical solution, the marking part includes a support plate fixedly mounted on one side of the top of the slide, a hopper is fixedly mounted on the support plate, a discharge pipe is connected to the bottom of the hopper, a distribution pipe is connected to the bottom of the discharge pipe, three groups of conveying hoses are connected to the bottom of the distribution pipe, and a spray pipe fixedly mounted on the connecting plate is provided at the other end of the conveying hose.

[0012] As a further preference of the present technical solution, positioning shafts are fixedly connected on both sides of the connecting plate, and the first swing rod and the second swing rod are rotatably connected on the positioning shafts. The tops of the first swing rod and the second swing rod are rotatably connected with a connecting rod, and the top of the connecting rod is rotatably connected with a mounting plate, which is fixedly installed on the bottom of the slide seat, a first collecting box is provided at the bottom of the first swing rod, and a second collecting box is provided at the bottom of the second swing rod. The first collecting box and the second collecting box correspond to each other in position with the bottom of the spray pipe, and counterweights are provided at the bottom of the first collecting box and the second collecting box.

[0013] As a further preferred embodiment of the present technical solution, a sleeve rod is fixedly connected to one side of the support plate, a first damping spring is fixedly connected to the top of the inner cavity of the sleeve rod, the bottom of the first damping spring is fixedly connected to a limit plate slidably installed inside the sleeve rod, and the top of the lifting rod slides through the inside of the sleeve rod and is fixedly connected to the limit plate.

[0014] As a further preferred embodiment of the present technical solution, a discharge hopper is fixedly installed inside the hopper, a sealing plate slidably installed on the hopper is provided at the bottom of the discharge hopper, discharge holes are provided on both sides of the sealing plate, the two discharge holes correspond to the positions of the bottom of the discharge hopper, a pump body is provided inside the hopper, the feed end of the pump body contacts the bottom of the sealing plate, and the feed end corresponds to the bottom position of the discharge hopper, and the output end of the pump body is connected to the top of the discharge pipe.

[0015] As a further preference of the present technical solution, a first gear rod and a second gear rod are respectively slidably connected in the vertical direction on both sides of the surface of the support plate, a gear is meshingly connected between the first gear rod and the second gear rod, and the gear is rotatably installed on the support plate, a fixed rod is fixedly connected to the outer side of the first gear rod, and the other end of the fixed rod is fixedly connected to the outer wall of the lifting rod, an adjustment plate is fixedly connected to the outer end of the second gear rod, a bidirectional screw rod is rotatably connected to the adjustment plate, and trapezoidal rods are threadedly connected to both sides of the bidirectional screw rod.

[0016] As a further preferred embodiment of the present technical solution, the sealing plate is fixedly connected to an extension rod on one side close to the second gear rod, the other end of the extension rod is fixedly connected to a guide column which is in sliding contact with the outer wall of the adjustment plate, a convex plate is fixedly connected to the top of the outer wall of the extension rod, and a second damping spring is arranged between the convex plate and the hopper.

[0017] As a further preferred embodiment of the present technical solution, the cleaning assembly includes a fixed seat fixedly mounted on one side of the carrier, cross bars are arranged on both sides of the fixed seat, a connecting rod is arranged at the outer end of the cross bar, a mounting seat is arranged at the other end of the connecting rod, a driving motor is arranged on the top of the mounting seat, and a brush disc is arranged at the output end of the driving motor.

[0018] Compared with the prior art, it has the following beneficial effects:

[0019] Through the combination of the detection wheel, the lifting rod and the recording pen, the unevenness of the road surface can be accurately detected, and this information can be recorded on the scale paper roll in the form of lines similar to an electrocardiogram. This method is not only intuitive, but also convenient for subsequent analysis and evaluation of the road surface flatness. The device can automatically adjust the spraying amount of marking material according to the unevenness of the road surface. When the unevenness of the road surface is more serious, more marking material is sprayed through the adjustment mechanism, thereby forming more obvious marks on the uneven places. This intelligent adjustment mechanism ensures the accuracy and effectiveness of the marking. Through the automated detection and marking process, the detection efficiency and accuracy of the road surface flatness are greatly improved. The inspectors can quickly judge the road quality according to the lines on the scale paper roll and take corresponding repair measures.

[0020] By adjusting the distance between the two trapezoidal rods through the bidirectional screw, it can be adjusted according to different road surface flatness qualification data, so that the device can adapt to the needs of different testing standards. In addition, the spray pipe moves synchronously with the detection wheel to ensure the accuracy and timeliness of the marking; on a flat road surface, due to the sealing effect of the sealing plate on the discharge hopper, the pump body will not extract the marking material, avoiding unnecessary waste. At the same time, the first collecting box and the second collecting box can collect excess marking material in the spray pipe, further reducing material waste and pollution to the environment.

[0021] Through the cleaning effect of the brush disc, impurities such as gravel and branches on the road surface to be tested are effectively removed, avoiding the interference of these impurities on the travel path of the detection roller, thereby significantly improving the accuracy of road surface flatness detection. The road surface can be cleaned by the brush disc before detection, and the two steps of cleaning and detection are closely combined, avoiding the cumbersome process of separate cleaning and detection in traditional methods, thereby improving overall work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0023] Figure 2 It is a schematic diagram of the structure of the cleaning component in the present invention;

[0024] Figure 3 It is a schematic cross-sectional view of the structure of the carrier in the present invention;

[0025] Figure 4 It is a schematic diagram of the structure of the moving wheel, the connecting shaft, the transmission rod and the winding shaft in the present invention;

[0026] Figure 5 It is a schematic diagram of the structure of the detection wheel and the marking member in the present invention;

[0027] Figure 6 It is a schematic diagram of the structure of the first swinging rod, the second swinging rod, the first collecting box and the second collecting box in the present invention;

[0028] Figure 7 It is a schematic diagram of the structure of the lifting rod, the connecting plate, the detection wheel, the hopper, the discharge pipe, the distribution pipe, the conveying hose, and the spraying pipe in the present invention;

[0029] Figure 8 for Figure 7 The enlarged view of point A in the middle;

[0030] Fig. 9 It is a schematic structural diagram of the first gear rod, gear, second gear rod, adjustment plate, trapezoidal rod and sealing plate in the present invention.

[0031] In the figure: 1, carrier; 2, cleaning component; 3, moving wheel; 4, detection component; 21, fixed seat; 22, cross bar; 23, connecting rod; 24, mounting seat; 25, driving motor; 26, brush plate; 41, slide; 42, screw rod; 43, slide rod; 44, adjustment motor; 45, slide; 46, detection wheel; 47, lifting rod; 48, recording pen; 49, scale line paper roll; 410, unwinding shaft; 411, winding shaft; 412, transmission rod; 413, first bevel gear set; 414, connecting shaft; 415, second bevel gear set; 416, support plate; 417, hopper; 418, discharge pipe; 419, distribution pipe; 420, conveying hose; 421, spray Material pipe; 422, connecting plate; 423, positioning shaft; 424, first swing rod; 425, second swing rod; 426, first collecting box; 427, second collecting box; 428, counterweight; 429, connecting rod; 430, mounting plate; 431, sleeve rod; 432, limit plate; 433, first damping spring; 434, first gear rod; 435, second gear rod; 436, gear; 437, fixing rod; 438, adjusting plate; 439, bidirectional screw rod; 440, trapezoidal rod; 441, sealing plate; 442, discharge hole; 443, extension rod; 444, guide column; 445, convex plate; 446, second damping spring; 447, discharge hopper; 448, pump body. DETAILED DESCRIPTION

[0032] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the drawings of the specification. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the present invention.

[0033] Embodiment 1: Combination Figure 1-Figure 9 As shown, the present invention provides a technical solution: an asphalt concrete pavement quality detection device, comprising a carrier 1, a cleaning component 2 is arranged on one side of the carrier 1, moving wheels 3 are arranged around the bottom of the carrier 1, and a detection component 4 for detecting the flatness of the pavement is arranged on the carrier 1;

[0034] The detection assembly 4 includes a slide groove 41 opened on the carrier 1, a screw rod 42 and a slide rod 43 are arranged in the slide groove 41, a slide seat 45 is arranged on the screw rod 42 and the slide rod 43, and an adjustment motor 44 is arranged at one end of the screw rod 42; the slide seat 45 is slidably connected to a lifting rod 47 in the vertical direction, a connecting plate 422 is fixedly connected to the bottom of the lifting rod 47, and a detection wheel 46 is arranged at the bottom of the connecting plate 422, a marking piece is arranged on one side of the detection wheel 46, a recording pen 48 is arranged on the side wall of the lifting rod 47, and a scale line paper roll 49 is arranged on one side of the recording pen 48;

[0035] On both sides of the top of the carrier 1, there are respectively rotatably provided an unwinding shaft 410 and a reeling shaft 411, a scale line paper roll 49 is provided on the unwinding shaft 410, the other end of the scale line paper roll 49 is connected to the reeling shaft 411, and the position of the recording pen 48 corresponds to the position of the scale line paper roll 49;

[0036] The top of the carrier 1 is rotatably connected with a transmission rod 412, one end of the transmission rod 412 is transmission-connected to the winding shaft 411 through a first bevel gear set 413, and the other end of the transmission rod 412 is transmission-connected to a connecting shaft 414 through a second bevel gear set 415, and the connecting shaft 414 is connected to the axis of the moving wheel 3;

[0037] The marking member includes a support plate 416 fixedly mounted on one side of the top of the slide 45, a hopper 417 fixedly mounted on the support plate 416, a discharge pipe 418 connected to the bottom of the hopper 417, a distribution pipe 419 connected to the bottom of the discharge pipe 418, three groups of conveying hoses 420 connected to the bottom of the distribution pipe 419, and a spraying pipe 421 fixedly mounted on a connecting plate 422 is provided at the other end of the conveying hose 420;

[0038] The two sides of the connecting plate 422 are fixedly connected with positioning shafts 423, and the first swing rod 424 and the second swing rod 425 are rotatably connected to the positioning shaft 423. The tops of the first swing rod 424 and the second swing rod 425 are rotatably connected with a connecting rod 429, and the top of the connecting rod 429 is rotatably connected with a mounting plate 430, which is fixedly mounted on the bottom of the slide seat 45. A first collecting box 426 is arranged at the bottom of the first swing rod 424, and a second collecting box 427 is arranged at the bottom of the second swing rod 425. The first collecting box 426 and the second collecting box 427 correspond to the bottom of the spray pipe 421. Counterweight blocks 428 are arranged at the bottom of the first collecting box 426 and the second collecting box 427. Under the action of the counterweight blocks 428, the first collecting box 426 and the second collecting box 427 are always kept in a vertical state;

[0039] A sleeve rod 431 is fixedly connected to one side of the support plate 416, a first damping spring 433 is fixedly connected to the top of the inner cavity of the sleeve rod 431, a limit plate 432 slidably mounted inside the sleeve rod 431 is fixedly connected to the bottom of the first damping spring 433, and the top of the lifting rod 47 slides through the inside of the sleeve rod 431 and is fixedly connected to the limit plate 432. Under the elastic force of the first damping spring 433, the limit plate 432, the lifting rod 47 and the detection wheel 46 are pushed downward, so that the detection wheel 46 is always in contact with the road surface to be detected;

[0040] A discharge hopper 447 is fixedly installed inside the hopper 417, and a sealing plate 441 is provided at the bottom of the discharge hopper 447 and is sealingly slidably installed on the hopper 417. Discharge holes 442 are provided on both sides of the sealing plate 441, and the two discharge holes 442 correspond to the bottom positions of the discharge hopper 447. When the road surface to be tested is flat, the discharge holes 442 are located on both sides of the discharge hopper 447, that is, the discharge holes 442 do not contact the bottom of the discharge hopper 447. At this time, the sealing plate 441 can seal the bottom of the discharge hopper 447. When the road surface to be tested is concave or convex, the sealing plate 441 moves to one side so that the discharge holes 442 contact the bottom of the discharge hopper 447 to perform discharge processing. A pump body 448 is provided inside the hopper 417, and the feed end of the pump body 448 contacts the bottom of the sealing plate 441, and the feed end corresponds to the bottom position of the discharge hopper 447. The output end of the pump body 448 is connected to the top of the discharge pipe 418;

[0041] A first gear rod 434 and a second gear rod 435 are respectively slidably connected in the vertical direction to both sides of the surface of the support plate 416, a gear 436 is meshedly connected between the first gear rod 434 and the second gear rod 435, and the gear 436 is rotatably mounted on the support plate 416, a fixing rod 437 is fixedly connected to the outer side of the first gear rod 434, and the other end of the fixing rod 437 is fixedly connected to the outer wall of the lifting rod 47, and an adjustment plate 438 is fixedly connected to the outer end of the second gear rod 435, and a bidirectional screw rod 439 is rotatably connected to the adjustment plate 438, and trapezoidal rods 440 are threadedly connected to both sides of the bidirectional screw rod 439, and the two trapezoidal rods 440 are symmetrically arranged and slidably mounted on the adjustment plate 438 in the vertical direction, and the two trapezoidal rods 440 are driven to move synchronously by rotating the bidirectional screw rod 439, that is, the two trapezoidal rods 440 are driven to move inward at the same time, or to move outward at the same time;

[0042] An extension rod 443 is fixedly connected to one side of the sealing plate 441 close to the second gear rod 435, and the other end of the extension rod 443 is fixedly connected to a guide column 444 that is in sliding contact with the outer wall of the adjustment plate 438. A convex plate 445 is fixedly connected to the top of the outer wall of the extension rod 443, and a second damping spring 446 is arranged between the convex plate 445 and the hopper 417.

[0043] In the embodiment of the present invention, the screw rod 42 is rotatably mounted on the carrier 1, the slide rod 43 is fixedly mounted on the carrier 1, the slide seat 45 is threadedly connected with the slide seat 45, and the slide seat 45 is slidably mounted on the slide rod 43;

[0044] The screw rod 42 is driven to rotate synchronously by turning on the adjustment motor 44, and the screw rod 42 drives the slide 45 to slide on the slide 45, so that the slide 45 drives the lifting rod 47 and the detection wheel 46 to move, so that the position of the detection wheel 46 can be adjusted according to the position of the road surface to be detected. As the platform 1 moves, the detection wheel 46 is located on the road surface to be detected and moves. The detection wheel 46 drives the lifting rod 47 and the recording pen 48 to move up and down according to the unevenness of the road surface. The recording pen 48 draws lines on the scale line paper roll 49, and the platform 1 drives the connecting shaft 414 to rotate when moving. The connecting shaft 414 rotates through the transmission rod 412, and the transmission rod 412 drives the winding shaft 411 to rotate through the first bevel gear set 413, so that the winding shaft 411 can wind up the scale line paper roll 49;

[0045] When a depression appears on the road surface, the elastic force of the first damping spring 433 pushes the limit plate 432, the lifting rod 47, the connecting plate 422 and the detection wheel 46 to move downward, thereby driving the recording pen 48 to move downward. Since the reel 411 can reel in the scale line paper roll 49 when the equipment moves, the line drawn on the scale line paper roll 49 by the recording pen 48 will tend to slope downward during the downward movement. When the detection wheel 46 travels on a flat road surface, the line drawn on the scale line paper roll 49 by the recording pen 48 is a straight line. When a convex part appears on the road surface, the limit plate 432, the lifting rod 47, the connecting plate 422 and the detection wheel 46 move upward and compress the first damping spring 433. The lifting rod 47 that moves upward drives the recording pen 48 to move upward, so that the line drawn on the scale line paper roll 49 will show an upward trend. Therefore, during the entire road surface flatness detection process, the lines on the scale line paper roll 49 are fluctuating, similar to an electrocardiogram, so that after the detection work is completed, the scale line paper roll 49 is taken down and unfolded, and the detection personnel can evaluate the detected road surface according to the lines recorded thereon;

[0046] When the connecting plate 422 and the detection wheel 46 move, they can drive the spraying pipe 421 to move synchronously. At the same time, when the connecting plate 422 moves up and down, it can drive the connecting plate 422 to extend and retract synchronously.

[0047] When the lifting rod 47 moves up and down, it can drive the fixed rod 437 to move synchronously, so that the fixed rod 437 drives the first gear rod 434 on the support plate 416 to move synchronously, and the first gear rod 434 cooperates with the meshing gear 436 to drive the second gear rod 435, the adjustment plate 438 and the trapezoidal rod 440 to move in the opposite direction.

[0048] When a concave or convex part appears on the road surface, the lifting rod 47 drives the fixing rod 437 and the first gear rod 434 to move downward or upward, and the first gear rod 434 cooperates with the meshing gear 436 to drive the second gear rod 435, the adjusting plate 438, and the trapezoidal rod 440 to move upward or downward, so that when the trapezoidal rod 440 moves upward or downward, the trapezoidal rod 440 pushes the guide column 444, the extension rod 443 and the sealing plate 441 to move toward the side of the hopper 417, and at the same time, under the elastic force of the second damping spring 446, the guide column 444 always slides in contact with the outer wall of the adjusting plate 438 and the trapezoidal rod 440, so that the position of the discharge hole 442, the discharge hopper 447, and the pump body 448 correspond to each other;

[0049] When the road surface has more severe concavities or convexities, the larger the moving range of the trapezoidal rod 440 is, and the longer the distance the sealing plate 441 can be pushed to move is, that is, the larger the contact area between the discharge hole 442 and the discharge hopper 447 and the input end of the pump body 448 is, that is, more marking materials pass through the discharge hole 442, and then by opening the pump body 448 and cooperating with the discharge hole 442, the marking materials in the hopper 417 and the discharge hopper 447 are extracted, and then transported through the discharge pipe 418, the distribution pipe 419 and the connecting plate 422, and sprayed out through the spray pipe 421 for marking treatment. Moreover, since the more severe the concavities or convexities are, the larger the contact area between the discharge hole 442 and the discharge hopper 447 and the input end of the pump body 448 is, it means that more marking materials enter the pump body 448 through the discharge hole 442. This is because The increase in contact area allows more marking materials to be sucked into the pump body 448. Therefore, when the road surface is more rugged, the amount of marking materials entering the pump body 448 through the discharge hole 442 will increase accordingly due to the increase in contact area. Finally, the marking materials are sprayed out through the spray pipe 421 to mark the road surface. Since the amount of marking materials drawn by the pump body 448 changes with the degree of road surface ruggedness, the amount of marking materials will also be adjusted accordingly. When the detection wheel 46 travels on a flat road surface, the guide column 444 is always located between the two trapezoidal rods 440. At this time, the two discharge holes 442 are located on both sides of the discharge hopper 447, so that the sealing plate 441 can seal the inside of the discharge hopper 447. At this time, the marking materials will not be drawn by the pump body 448, that is, no marking materials will appear on the flat road surface.

[0050] The qualified data of the road surface flatness, i.e., the degree of concavity and convexity, is within a range of values. The distance between the two trapezoidal rods 440 can be adjusted according to the qualified data of the road surface flatness. By rotating the bidirectional screw rod 439, the two trapezoidal rods 440 can be driven to move inward or outward at the same time, thereby reducing or expanding the distance between the two trapezoidal rods 440, and then the distance can be adjusted according to the qualified data of the road surface flatness.

[0051] At the same time, when the connecting plate 422 and the detection wheel 46 move up and down with the unevenness of the road surface, in cooperation with the mounting plate 430 and the connecting rod 429, they can drive the first swing rod 424 and the second swing rod 425 located on the upper positioning shaft 423 to rotate. When leveling the road surface, the positions of the detection wheel 46 and the connecting plate 422 remain unchanged, so that the positions of the connecting rod 429, the first swing rod 424, and the second swing rod 425 remain unchanged, and then the positions of the first collecting box 426 and the second collecting box 427 remain unchanged, so that the first collecting box 426 and the second collecting box 427 are always located below the spray pipe 421, and the first collecting box 426 and the second collecting box 427 can collect and process the excess marking material in the spray pipe 421 to prevent the excess marking material from falling into the leveled road section, thereby affecting the subsequent judgment of the road surface flatness.

[0052] Embodiment 2: Combination Figure 2 As shown, on the basis of embodiment one, the cleaning component 2 includes a fixed seat 21 fixedly mounted on one side of the carrier 1, cross bars 22 are arranged on both sides of the fixed seat 21, a connecting rod 23 is arranged at the outer end of the cross bar 22, a mounting seat 24 is arranged at the other end of the connecting rod 23, a driving motor 25 is arranged on the top of the mounting seat 24, and a brush disc 26 is arranged at the output end of the driving motor 25.

[0053] In an embodiment of the present invention, a cross bar 22 is slidably mounted on a fixed seat 21, a cylinder is provided on the fixed seat 21, and an output end of the cylinder is connected to the cross bar 22. By turning on the cylinder, the cross bar 22, the connecting rod 23, the mounting seat 24, the drive motor 25, and the brush disc 26 can be driven to move, thereby adjusting the distance between the two brush discs 26. At the same time, it can also be adjusted according to the position of the detected road surface, that is, the brush disc 26 can clean the detected road surface; after the position of the brush disc 26 is adjusted, the drive motor 25 is turned on to drive the brush disc 26 to rotate synchronously, so that the rotating brush disc 26 cleans the road surface to be detected, and the brush disc 26 cleans out impurities during cleaning, so that impurities such as gravel and branches will not be located on the path of the detection roller, thereby helping to improve the accuracy of road surface flatness detection.

[0054] Working principle of asphalt concrete pavement quality detection device:

[0055] Step 1, move the device to the road section to be detected, so that the detection wheel 46 is located on the road surface to be detected, and then push the device to move, use the cleaning component 2 to clean the road surface to be detected, and at the same time, the detection wheel 46 drives the lifting rod 47 and the recording pen 48 to move up and down according to the unevenness of the road surface, and the recording pen 48 draws lines on the scale line paper roll 49, and the platform 1 drives the connecting shaft 414 to rotate while moving, and the connecting shaft 414 rotates through the transmission rod 412, and the transmission rod 412 drives the winding shaft 411 to rotate through the first bevel gear set 413, so that the winding shaft 411 can rewind the scale line paper roll 49;

[0056] Step 2: By opening the pump body 448 and cooperating with the discharge hole 442, the marking material in the hopper 417 and the discharge hopper 447 is extracted, and then transported through the discharge pipe 418, the distribution pipe 419 and the connecting plate 422, and sprayed out through the injection pipe 421 for marking. Since the more severe the concave or convex part is, the larger the contact area between the discharge hole 442 and the discharge hopper 447 and the input end of the pump body 448 is, it means that more marking material enters the pump body 448 through the discharge hole 442. This is because the increase in the contact area allows more marking material to have the opportunity to be sucked into the pump body 448. Therefore, when the road surface is more severe, due to the increase in the contact area, the amount of marking material entering the pump body 448 through the discharge hole 442 will also increase accordingly. Finally, the marking material is sprayed out through the injection pipe 421 to mark the road surface. Since the amount of marking material extracted by the pump body 448 changes with the change in the degree of concave or convex of the road surface, the amount of marking material for marking will also be adjusted accordingly.

[0057] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An asphalt concrete pavement quality detection device, comprising a carrier (1), characterized in that: A cleaning component (2) is arranged on one side of the carrier (1), moving wheels (3) are arranged around the bottom of the carrier (1), and a detection component (4) for detecting the flatness of the road surface is arranged on the carrier (1); The detection component (4) includes a slide groove (41) provided on the carrier (1), a screw rod (42) and a slide rod (43) being provided in the slide groove (41), a slide seat (45) being provided on the screw rod (42) and the slide rod (43), and an adjustment motor (44) being provided at one end of the screw rod (42); the slide seat (45) is slidably connected to a lifting rod (47) in a vertical direction, a connecting plate (422) being fixedly connected to the bottom of the lifting rod (47), and a detection wheel (46) being provided at the bottom of the connecting plate (422), a marking member being provided on one side of the detection wheel (46), a recording pen (48) being provided on the side wall of the lifting rod (47), and a scale line paper roll (49) being provided on one side of the recording pen (48); The marking member comprises a support plate (416) fixedly mounted on one side of the top of the slide seat (45); a hopper (417) is fixedly mounted on the support plate (416); a discharge pipe (418) is connected to the bottom of the hopper (417); a distribution pipe (419) is connected to the bottom of the discharge pipe (418); three groups of conveying hoses (420) are connected to the bottom of the distribution pipe (419); a spraying pipe (421) fixedly mounted on the connecting plate (422) is provided at the other end of the conveying hose (420); Positioning shafts (423) are fixedly connected to both sides of the connecting plate (422); a first swinging rod (424) and a second swinging rod (425) are rotatably connected to the positioning shaft (423); a connecting rod (429) is rotatably connected to the top of the first swinging rod (424) and the second swinging rod (425); a mounting plate (430) is rotatably connected to the top of the connecting rod (429); the mounting plate (430) is fixedly mounted on the bottom of the sliding seat (45); a first collecting box (426) is arranged at the bottom of the first swinging rod (424); a second collecting box (427) is arranged at the bottom of the second swinging rod (425); the first collecting box (426) and the second collecting box (427) correspond to the bottom of the spray pipe (421); and a counterweight (428) is arranged at the bottom of the first collecting box (426) and the second collecting box (427).

2. The asphalt concrete pavement quality detection device according to claim 1, characterized in that: A reel-off shaft (410) and a reel-off shaft (411) are rotatably arranged on both sides of the top of the carrier (1), a scale line paper roll (49) is arranged on the reel-off shaft (410), the other end of the scale line paper roll (49) is connected to the reel-off shaft (411), and the position of the recording pen (48) corresponds to the position of the scale line paper roll (49).

3. The asphalt concrete pavement quality detection device according to claim 1, characterized in that: The top of the carrier (1) is rotatably connected to a transmission rod (412); one end of the transmission rod (412) is transmission-connected to the reel-up shaft (411) via a first bevel gear set (413); the other end of the transmission rod (412) is transmission-connected to a connecting shaft (414) via a second bevel gear set (415); and the connecting shaft (414) is axially connected to the moving wheel (3).

4. The asphalt concrete pavement quality detection device according to claim 3 is characterized in that: A sleeve rod (431) is fixedly connected to one side of the support plate (416); a first damping spring (433) is fixedly connected to the top of the inner cavity of the sleeve rod (431); a limit plate (432) slidably mounted inside the sleeve rod (431) is fixedly connected to the bottom of the first damping spring (433); and a top of the lifting rod (47) slides through the inside of the sleeve rod (431) and is fixedly connected to the limit plate (432).

5. The asphalt concrete pavement quality detection device according to claim 4, characterized in that: A discharge hopper (447) is fixedly installed inside the hopper (417), a sealing plate (441) slidably installed on the hopper (417) is arranged at the bottom of the discharge hopper (447), discharge holes (442) are opened on both sides of the sealing plate (441), and the two discharge holes (442) correspond to the bottom of the discharge hopper (447), a pump body (448) is arranged inside the hopper (417), a feed end of the pump body (448) contacts the bottom of the sealing plate (441), and the feed end corresponds to the bottom of the discharge hopper (447), and an output end of the pump body (448) is connected to the top of the discharge pipe (418).

6. The asphalt concrete pavement quality detection device according to claim 5, characterized in that: A first gear rod (434) and a second gear rod (435) are respectively slidably connected in the vertical direction on both sides of the surface of the support plate (416); a gear (436) is meshingly connected between the first gear rod (434) and the second gear rod (435), and the gear (436) is rotatably mounted on the support plate (416); a fixing rod (437) is fixedly connected to the outer side of the first gear rod (434); the other end of the fixing rod (437) is fixedly connected to the outer wall of the lifting rod (47); an adjustment plate (438) is fixedly connected to the outer end of the second gear rod (435); a bidirectional screw rod (439) is rotatably connected to the adjustment plate (438); trapezoidal rods (440) are threadedly connected to both sides of the bidirectional screw rod (439).

7. The asphalt concrete pavement quality detection device according to claim 6, characterized in that: An extension rod (443) is fixedly connected to one side of the sealing plate (441) close to the second gear rod (435); a guide column (444) is fixedly connected to the other end of the extension rod (443) and is in sliding contact with the outer wall of the adjustment plate (438); a convex plate (445) is fixedly connected to the top of the outer wall of the extension rod (443); and a second damping spring (446) is provided between the convex plate (445) and the hopper (417).

8. The asphalt concrete pavement quality detection device according to claim 1, characterized in that: The cleaning assembly (2) comprises a fixed seat (21) fixedly mounted on one side of the carrier (1), cross bars (22) being arranged on both sides of the fixed seat (21), a connecting rod (23) being arranged at the outer end of the cross bar (22), a mounting seat (24) being arranged at the other end of the connecting rod (23), a driving motor (25) being arranged at the top of the mounting seat (24), and a brush disc (26) being arranged at the output end of the driving motor (25).

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