Road construction quality detection device

Abstract

The invention relates to a highway construction quality detection device, and belongs to the field of detection devices.The highway construction quality detection device comprises a detection box, driving chains are connected to the two opposite side walls of the detection box, and a plurality of supporting plates used for bearing concrete road cores are connected between the two driving chains; each supporting plate can move in the length direction of the driving chain and penetrate through the side wall of the detection box, a pressure bearing plate is arranged in the detection box, the pressure bearing plate is located on the lower side of the supporting plate bearing the concrete road core and abuts against the lower side of the supporting plate, a pressing assembly is arranged in the detection box, and the pressing assembly is connected with the pressure bearing plate. The pressing assembly is used for pressing the concrete road core on the upper side of the supporting plate. The device has the effect that a detector can conveniently place the concrete road core for detection.

Description

Technical Field

[0001] The present application relates to the field of detection devices, and in particular to a highway construction quality detection device. Background Art

[0002] The highway construction inspection process mainly involves coring the completed concrete pavement at fixed intervals, and then inspecting the extracted concrete cores to derive the structural strength of the current concrete pavement and determine whether the current concrete pavement meets the standards.

[0003] At present, the detection of concrete road core is mainly carried out by squeezing the concrete road core. After that, the staff observes the changes of the concrete road core when it is under pressure, so as to determine the current compressive strength of the concrete road core and the structural strength of the road surface to which the concrete road core belongs.

[0004] In order to prevent the inspectors from getting hurt, current inspection devices often set up protective covers around the inspection table, and the protective covers are set to be transparent so that the staff can observe the squeezed concrete blocks. However, the use of the above-mentioned inspection device makes it difficult for the inspectors to place the concrete road core on the inspection table, and it is also difficult to place the concrete road core in the appropriate position on the inspection table and at a suitable inspection angle. Summary of the invention

[0005] In order to facilitate inspectors to place concrete road cores for inspection, the present application provides a highway construction quality inspection device.

[0006] The highway construction quality detection device provided in this application adopts the following technical solution: A highway construction quality inspection device comprises an inspection box, wherein two opposite side walls of the inspection box are connected with a driving chain, and a plurality of support plates for supporting a concrete road core are connected between the two driving chains, and each of the support plates can move along the length direction of the driving chain and pass through the side wall of the inspection box, and a pressure plate is provided inside the inspection box, the pressure plate is located on the lower side of the support plate supporting the concrete road core and abuts against the lower side of the support plate, and a pressing assembly is provided inside the inspection box, and the pressing assembly is used to press the concrete road core on the upper side of the support plate.

[0007] By adopting the above technical solution, when the concrete road core needs to be inspected, the concrete road core is placed on the support plate, and then the support plate is driven to move by the driving chain. During the movement, the support plate drives the concrete road core to the lower side of the pressing component, and then the concrete road core is pressed by the pressing component, thereby realizing the inspection process of the concrete road core and reducing the phenomenon that the inspection result is affected by the placement position offset during the placement of the concrete road core by the staff.

[0008] Optionally, the pressing assembly includes a pressing cylinder connected to the top wall of the detection box, the end of the pressing cylinder is connected to a pressing plate for pressing the concrete road core, and the pressing cylinder is provided with a pressing screw for driving the pressing cylinder to move up and down.

[0009] By adopting the above technical solution, when the support plate drives the concrete road core to move to the lower side of the pressing plate, the pressing plate is driven to abut against the concrete road core by the pressing screw, and then the pressing cylinder is started to press the concrete road core, thereby reducing the phenomenon of the pressing plate blocking the concrete road core in the process of the support plate driving the concrete road core to move.

[0010] Optionally, a pressing box is fixedly connected to the upper side of the pressing cylinder, and the pressing screw is provided in plurality and all are inserted into the interior of the pressing box and threadedly connected to the pressing box, the upper end of each pressing screw passes through the inner top wall of the detection box and is fixedly sleeved with a pressing slave gear, and multiple pressing slave gears are meshed with the same pressing driving gear, and the pressing driving gear is connected with a driven bevel gear and a driving bevel gear that mesh with each other, and the driving bevel gear is fixedly connected with a pressing pulley, and the pressing pulley is connected to a driving pulley via a connecting belt, and a connecting sprocket is fixedly connected to one side of the driving pulley, and the connecting sprocket is connected to the driving chain and can rotate under the drive of the driving chain.

[0011] By adopting the above technical scheme, during the rotation of the driving chain, the driving chain drives the connecting sprocket to rotate, the connecting sprocket drives the connected driving pulley to rotate during the rotation, the driving pulley drives the connecting belt and the pressing pulley to rotate, the pressing pulley drives the driving bevel gear to rotate during the rotation, the driving bevel gear drives the driven bevel gear to rotate during the rotation, the driven bevel gear drives the pressing drive gear to rotate during the rotation, the pressing drive gear drives multiple connected pressing slave gears to rotate during the rotation, each pressing slave gear drives the connected pressing lead screw to rotate during the rotation, thereby reducing the trouble of adding a driving device to drive the pressing lead screw to rotate.

[0012] Optionally, a detection component is provided on the side of the pressing component away from the moving direction of the driving conveyor belt, and the detection component is used to detect the compression damage of the concrete road core.

[0013] By adopting the above technical solution and setting up the detection components, the need for workers to observe the compression condition of the concrete road core with the naked eye is reduced, thereby increasing the accuracy of the detection results and the detection efficiency.

[0014] Optionally, the detection assembly includes a detection block located on the upper side of a concrete road core support plate, a plurality of probes are slidably inserted into the lower side wall of the detection block, and each of the probes is slidably abutted against the detection block, each of the probes is fixedly connected to a spring at one end located inside the detection block, and each of the springs is connected to a pressure sensor on the side away from the probe.

[0015] By adopting the above technical solution, when the driving chain drives the concrete road core to move to the lower side of the detection block, the detection block drives multiple probes to abut against the concrete road core, and the compression result of the concrete road core is measured according to the compression condition of each spring detected by multiple pressure sensors.

[0016] Optionally, a detection screw is fixedly connected to the upper side of the detection block, a detection sleeve is threadedly sleeved on the upper end of the detection screw, the upper end of the detection sleeve passes through the top wall of the detection box and is rotatably connected to the top wall of the detection box, the upper end of the detection sleeve is fixedly connected to a detection gear that meshes with the adjacent pressing gear, and a limited telescopic rod is connected between the detection block and the inner top wall of the detection box.

[0017] By adopting the above technical solution, in the process of the driving chain driving multiple pressing slave gears to rotate, the pressing slave gear drives the connected detection gear to rotate, and the detection gear drives the connected detection sleeve to rotate during the rotation, and the detection sleeve cooperates with the limit rod to drive the detection screw to move downward during the rotation, and the detection screw drives the detection block to move downward during the downward movement, thereby reducing the phenomenon that the concrete road core abuts against the detection block during the movement, making it difficult to continue moving to the lower side of the detection block.

[0018] Optionally, a cleaning component is further provided inside the detection box, and the cleaning component is used to clean the support plate and the upper side wall of the pressure plate.

[0019] By adopting the above technical solution and providing a cleaning component, the trouble of workers cleaning the concrete road core debris that falls off the upper side of the pressure plate during the pressing process is reduced.

[0020] Optionally, the cleaning assembly includes a cleaning brush located on the upper side of the pressure plate, the lower side of the cleaning brush can abut against the pressure plate and the upper support plate of the pressure plate, one side of the cleaning brush is fixedly connected to a cleaning screw, the end of the cleaning screw away from the cleaning brush passes through the side wall of the detection box and is threadedly sleeved with a cleaning pulley, and the cleaning pulley is connected to the drive chain through a connecting sprocket.

[0021] By adopting the above technical solution, in the process of the driving chain driving the connecting belt to rotate, the rotation of the connecting belt drives the cleaning pulley to rotate, and the cleaning pulley drives the connected cleaning screw to move during the rotation process, and the cleaning screw drives the cleaning brush to move back and forth during the movement, thereby realizing the process of cleaning the upper side of the pressure plate and the upper side of the support plate.

[0022] Optionally, two oppositely arranged material gathering plates are provided on the lower side of the pressure plate, and the two material gathering plates are inclined gradually towards each other from top to bottom, and a material storage box is provided on the lower side of the two material gathering plates, and the upper side of the material storage box is open.

[0023] By adopting the above technical solution and providing a material collecting plate and a material containing box, it is convenient for workers to collect the concrete road core debris cleaned by the cleaning brush.

[0024] Optionally, a plurality of moving wheels are installed at the bottom of the material storage box, and an opening is provided at the bottom of the side wall of the detection box for allowing the material storage box to be moved out of the detection box, and an opening and closing door for sealing the opening is provided at the opening.

[0025] By adopting the above technical solution and providing an opening and closing door and moving wheels, it is convenient for workers to clean up concrete debris inside the detection box.

[0026] In summary, the present application includes at least one of the following beneficial technical effects: 1. By setting up a drive chain and multiple support plates to drive the concrete road core to move, it is convenient for the staff to place the concrete road core to the appropriate detection position for detection; 2. By setting a plurality of pressing screws to drive the pressing plate to move, and the plurality of pressing screws are driven by a driving chain, the trouble of setting a driving device to drive the plurality of pressing screws to rotate according to the moving position of the concrete road core and then drive the pressing plate to move is reduced; 3. By setting up the detection component and driving the lifting of the detection component by the drive chain, on the one hand, it reduces the need for detection personnel to observe the damage of the concrete road core with the naked eye, thereby affecting the detection efficiency, and on the other hand, it reduces the waste of adding a drive device to drive the detection block to move up and down. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0028] Figure 2 It is a cross-sectional view of the overall structure of an embodiment of the present application.

[0029] Figure 3 It is a schematic diagram showing the connection relationship between the pressing assembly and the detection box in an embodiment of the present application.

[0030] Figure 4 yes Figure 2 A partial enlarged schematic diagram of the structure A in the middle.

[0031] Explanation of the reference numerals in the accompanying drawings: 1. Detection box; 11. Material gathering plate; 12. Opening and closing door; 2. Driving chain; 21. Support plate; 3. Pressure plate; 4. Pressing assembly; 41. Pressing cylinder; 42. Pressing plate; 43. Pressing box; 44. Pressing screw; 441. Pressing driven gear; 45. Pressing driving gear; 46. Driven bevel gear; 47. Driving bevel gear; 471. Connecting shaft; 48. Pressing pulley; 481. Driving pulley; 482. Connecting belt; 49. Connecting sprocket; 5. Detection assembly; 51. Detection block; 52. Probe; 53. Spring; 54. Pressure sensor; 55. Detection screw; 56. Detection sleeve; 57. Detection gear; 58. Limiting telescopic rod; 6. Cleaning assembly; 61. Cleaning brush; 62. Cleaning screw; 63. Cleaning pulley; 7. Material storage box; 71. Moving wheel. DETAILED DESCRIPTION

[0032] The following is combined with Figure 1 -Attached Figure 3 This application is described in further detail.

[0033] The present application embodiment discloses a highway construction quality detection device, referring to Figure 1 and Figure 2 , including a detection box 1, two opposite side walls of the detection box 1 are connected with drive chains 2, the two drive chains 2 are connected with the same motor and driven by the motor, in order to facilitate the display of the remaining structures, the above-mentioned motor is not shown in the figure.

[0034] A plurality of support plates 21 are provided between the two driving chains 2, each support plate 21 is arranged horizontally, and the end of each support plate 21 is fixedly connected to the adjacent driving chain 2, and each support plate 21 can penetrate the side wall of the detection box 1 and be located inside the detection box 1 and move around the length direction of the driving chain 2.

[0035] A pressure plate 3 is provided inside the detection box 1. The pressure plate 3 is arranged horizontally and is located in the middle position of the upper and lower rows of support plates 21 connected to the drive chain 2, and the upper side wall of the pressure plate 3 can abut against the lower surface of the support plate 21 located on the upper side.

[0036] A pressing assembly 4 is provided inside the detection box 1. The pressing assembly 4 is located on the upper side of the pressure plate 3 and can press the concrete road core carried by the support plate 21 located on the upper side of the pressure plate 3. A detection assembly 5 is also provided inside the detection box 1 on the side of the pressing assembly 4 away from the feeding direction of the concrete road core. The detection assembly 5 is used to detect the concrete road core after the pressing operation.

[0037] When the concrete road core needs to be inspected, the concrete road core is placed on the support plate 21, and then the support plate 21 and the concrete road core are driven into the inspection box 1 by the driving motor. Then, the concrete road core is first pressed by the pressing component 4, and then the concrete road core is driven to the inspection component 5 for inspection, thereby realizing the inspection process of the concrete road core.

[0038] The support plate 21 is driven to move by the driving chain 2. The support plate 21 drives the concrete road core to move and be tested during the movement, thereby facilitating the process of workers carrying and testing the concrete road core.

[0039] Reference Figure 2 and Figure 3 The pressing assembly 4 includes a pressing cylinder 41, which is vertically arranged with a piston rod facing downward. The piston rod of the pressing cylinder 41 is fixedly connected to a horizontally arranged pressing plate 42. A pressing box 43 is fixedly connected to the side of the pressing cylinder 41 away from the pressing plate 42, and a plurality of pressing screws 44 are penetrated and threadedly connected to the upper side wall of the pressing box 43. In this embodiment, four pressing screws 44 are arranged at the four corners of the pressing box 43, and the upper end of each pressing screw 44 penetrates the top side wall of the detection box 1 and is fixedly connected to a pressing slave gear 441. The four pressing screws 44 are all reciprocating screws.

[0040] A pressing drive gear 45 is provided in the middle of the four pressing slave gears 441, and the pressing drive gear 45 is meshed with the four pressing slave gears 441 at the same time. A driven bevel gear 46 is fixedly connected to the upper side of the pressing drive gear 45, and a driving bevel gear 47 is meshed with one side of the driven bevel gear 46. A connecting shaft 471 is fixedly connected to one side of the driving bevel gear 47, and a pressing pulley 48 is fixedly connected to one end of the connecting shaft 471 away from the driving bevel gear 47. A driving pulley 481 is provided at the lower side of the pressing pulley 48, and the same connecting belt 482 is sleeved on the pressing drive and driving pulleys 481. A connecting sprocket 49 is fixedly connected to one side of the driving pulley 481, and the connecting sprocket is located in the middle position of one of the driving chains 2 and meshes with the driving chain 2.

[0041] When the driving chain 2 drives the support plate 21 and the concrete road core on the upper side of the support plate 21 to move, one of the driving chains 2 drives the connected connecting sprocket 49 to rotate, and the connecting sprocket 49 drives the connected driving pulley 481 to rotate during the rotation process, and the driving pulley 481 drives the connecting belt 482 and the pressing pulley 48 to rotate during the rotation process, and the pressing pulley 48 drives the connected connecting shaft 471 and the driving bevel gear 47 to rotate during the rotation process, and the driving bevel gear 47 drives the driven bevel gear 46 to rotate, and the driven bevel gear The wheel 46 drives the pressing drive gear 45 to rotate during the rotation process, and the pressing drive gear 45 drives the connected multiple pressing slave gears 441 to rotate during the rotation process, and each pressing slave gear 441 drives the connected pressing screw 44 to rotate during the rotation process, and the multiple pressing screws 44 drive the connected pressing box 43 to move downward during the rotation process, and the pressing box 43 drives the connected pressing cylinder 41 and the pressing plate 42 to move downward, and then the pressing cylinder 41 drives the pressing plate 42 to press the concrete road core on the lower side.

[0042] Reference Figure 2 and Figure 4 The detection assembly 5 includes a detection block 51 located on the upper side of the driving plate. The detection block 51 is arranged horizontally. A plurality of probes 52 are inserted and slidably connected from bottom to top on the lower surface of the detection block 51. The plurality of probes 52 are distributed along a matrix, and the rectangle formed by the plurality of probes 52 is larger than the cross section of the concrete road core to be detected. A spring 53 is fixedly connected to one end of each probe 52 inserted into the detection block 51, and the spring 53 is arranged as a pressure spring 53. A pressure sensor 54 is connected to the upper side of each spring 53.

[0043] A vertically arranged detection lead screw 55 is fixedly connected to the upper side of the detection block 51, and the detection lead screw 55 is set as a reciprocating lead screw. A detection sleeve 56 is threadedly sleeved on the upper side of the detection lead screw 55, and the upper end of the detection sleeve 56 passes through the top side wall of the detection box 1 and is rotatably connected to the top side wall of the detection box 1. The detection sleeve 56 passes through the detection box 1 and is fixedly connected to a detection gear 57 at one end. One side of the detection gear 57 is meshed with the adjacent pressing slave gear 441. A limited telescopic rod 58 is fixedly connected between the upper side of the detection block 51 and the inner top wall of the opposite detection box 1, and the limited telescopic rod 58 can be extended or shortened with the movement of the detection block 51.

[0044] In the process of the driving chain 2 driving the pressing plate 42 to move upward, the pressing slave gear 441 drives the meshing detection gear 57 to rotate, and the detection gear 57 drives the detection sleeve 56 to rotate during the rotation process. During the rotation process, the detection sleeve 56 cooperates with the limiting telescopic rod 58 to drive the detection screw 55 to move. During the movement, the detection screw 55 drives the detection block 51 to move downward. During the downward movement of the detection block 51, it drives multiple probes 52 to abut against the concrete road core on the lower side, thereby realizing the detection of the concrete road core.

[0045] Reference Figure 3 A cleaning assembly 6 is also provided inside the detection box 1, and the cleaning assembly 6 is used to clean the upper side of the support plate 21-driving plate.

[0046] The cleaning assembly 6 is provided to facilitate the process of cleaning the upper side of the support plate 21 or the driving plate by the staff.

[0047] The cleaning assembly 6 includes a cleaning brush 61 located on the upper side of the driving plate, and the lower side of the cleaning brush 61 can simultaneously abut against the upper side of the driving plate and the upper surface of the support plate 21 located on the upper side of the driving plate. A cleaning screw 62 is fixedly connected to one side of the cleaning brush 61, and a cleaning pulley 63 is threadedly penetrated on one side of the cleaning brush 61. The cleaning pulley 63 is arranged inside the connecting belt 482 and abuts against the connecting belt 482.

[0048] When the driving chain 2 drives the connecting belt 482 to rotate, the connecting belt 482 also drives the cleaning pulley 63 to rotate. When the cleaning pulley 63 rotates, it drives the cleaning screw 62 to move back and forth. When the cleaning screw 62 moves, it drives the connected cleaning brush 61 to move, thereby realizing the process of cleaning the driving plate and the upper side of the support plate 21 through the cleaning brush 61.

[0049] Reference Figure 2 and Figure 3 The bottom of the detection box 1 is set as a cavity, and the detection box 1 is located at the lower side of the pressure plate 3 with two oppositely arranged gathering plates 11, and the two gathering plates 11 are inclined from top to bottom and gradually approach each other.

[0050] A material storage box 7 is provided at the lower side of the two material gathering plates 11, and an opening is provided at the top of the material storage box 7, and the size of the opening is larger than the distance between the lower ends of the two material gathering plates 11. A plurality of moving wheels 71 are installed at the bottom of the material storage box 7. An opening is provided at the bottom of one side wall of the detection box 1, and the size of the opening is larger than the vertical section of the material storage box 7 near the opening. An opening and closing door 12 is provided at the opening for sealing the opening.

[0051] When the cleaning brush 61 sweeps the concrete road core debris to the lower side of the driving plate, the debris falls onto the gathering plate 11 and then falls into the material storage box 7 along the inclined direction of the gathering plate 11. When a certain amount of debris is accumulated inside the material storage box 7, the opening and closing door 12 is opened and the material storage box 7 is taken out from the opening, thereby realizing the cleaning process of the concrete road core debris that falls during the detection process.

[0052] The implementation principle of a highway construction quality inspection device in an embodiment of the present application is: first, the concrete road core is placed on the support plate 21 located on the upper side, and then the concrete road core is driven by the driving chain 2 to move to the inside of the inspection box 1. When it moves to the lower side of the pressing plate 42, the driving chain 2 simultaneously drives the pressing plate 42 to abut against the concrete road core. At this time, the pressing cylinder 41 is turned on to drive the pressing plate 42 to press the concrete road core.

[0053] Then the driving chain 2 continues to rotate and drives the pressing plate 42 to move upward through the four pressing screws 44. When the support plate 21 drives the concrete road core to move to the lower side of the detection block 51, the driving chain 2 drives the multiple probes 52 on the lower side of the detection block 51 to abut against the concrete road core, and the damage of the concrete road core is measured through multiple pressure sensors 54, thereby realizing the detection process of the concrete road core. Then the driving chain 2 moves in the opposite direction, driving the concrete road core back to the initial position.

[0054] When the concrete road core moves to the lower side of the pressing plate 42, the cleaning brush 61 is located on the side of the pressing plate 42 close to the cleaning pulley 63. Then the cleaning brush 61 moves back and forth according to the direction of the driving chain 2 to realize the cleaning process of the pressure plate 3 and the upper side of the support plate 21.

[0055] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A highway construction quality detection device, characterized in that: The invention comprises a detection box (1), wherein two opposite side walls of the detection box (1) are connected to a driving chain (2), and a plurality of support plates (21) for supporting a concrete road core are connected between the two driving chains (2), and each of the support plates (21) is capable of moving along the length direction of the driving chain (2) and passing through the side wall of the detection box (1), and a pressure plate (3) is provided inside the detection box (1), and the pressure plate (3) is located at the lower side of the support plate (21) supporting the concrete road core and abuts against the lower side of the support plate (21), and a pressing component (4) is provided inside the detection box (1), and the pressing component (4) is used to press the concrete road core on the upper side of the support plate (21).

2. A highway construction quality detection device according to claim 1, characterized in that: The pressing assembly (4) comprises a pressing cylinder (41) connected to the inner top wall of the detection box (1); the end of the pressing cylinder (41) is connected to a pressing plate (42) for pressing the concrete road core; and the pressing cylinder (41) is provided with a pressing screw (44) for driving the pressing cylinder (41) to move up and down.

3. A highway construction quality detection device according to claim 2, characterized in that: The upper side of the pressing cylinder (41) is fixedly connected to a pressing box (43), the pressing lead screw (44) is provided in plurality and all are inserted into the inside of the pressing box (43) and are threadedly connected to the pressing box (43), the upper end of each pressing lead screw (44) passes through the inner top wall of the detection box (1) and is fixedly sleeved with a pressing follower gear (441), and the plurality of pressing follower gears (441) are meshed with the same pressing drive gear (45), and the pressing drive gear (45) is connected to the detection box (1). 5) is connected with a driven bevel gear (46) and a driving bevel gear (47) which are meshed with each other, the driving bevel gear (47) is fixedly connected with a pressing pulley (48), the pressing pulley (48) is connected with a driving pulley (481) via a connecting belt (482), one side of the driving pulley (481) is fixedly connected with a connecting sprocket (49), the connecting sprocket (49) is connected with the driving chain (2) and can rotate under the drive of the driving chain (2).

4. A highway construction quality detection device according to claim 3, characterized in that: A detection component (5) is provided on the side of the pressing component (4) away from the moving direction of the driving conveyor belt, and the detection component (5) is used to detect the compression damage of the concrete road core.

5. A highway construction quality detection device according to claim 4, characterized in that: The detection assembly (5) comprises a detection block (51) located on the upper side of a concrete road core support plate (21), a plurality of probes (52) are slidably inserted into the lower side wall of the detection block (51), and each of the probes (52) is slidably abutted against the detection block (51), one end of each of the probes (52) located inside the detection block (51) is fixedly connected to a spring (53), and a side of each of the springs (53) away from the probe (52) is connected to a pressure sensor (54).

6. A highway construction quality detection device according to claim 5, characterized in that: A detection lead screw (55) is fixedly connected to the upper side of the detection block (51); a detection sleeve (56) is threadedly sleeved on the upper end of the detection lead screw (55); the upper end of the detection sleeve (56) passes through the top wall of the detection box (1) and is rotatably connected to the top wall of the detection box (1); the upper end of the detection sleeve (56) is fixedly connected to a detection gear (57) meshing with the adjacent pressing slave gear (441); and a limited telescopic rod (58) is connected between the detection block (51) and the inner top wall of the detection box (1).

7. A highway construction quality detection device according to claim 4, characterized in that: A cleaning component (6) is also provided inside the detection box (1), and the cleaning component (6) is used to clean the support plate (21) and the upper side wall of the pressure plate (3).

8. A highway construction quality detection device according to claim 7, characterized in that: The cleaning assembly (6) comprises a cleaning brush (61) located on the upper side of the pressure plate (3); the lower side of the cleaning brush (61) can abut against the pressure plate (3) and the upper support plate (21) of the pressure plate (3); one side of the cleaning brush (61) is fixedly connected to a cleaning screw (62); one end of the cleaning screw (62) away from the cleaning brush (61) passes through the side wall of the detection box (1) and is threadedly sleeved with a cleaning pulley (63); the cleaning pulley (63) is connected to the driving chain (2) via a connecting sprocket (49).

9. A highway construction quality detection device according to claim 8, characterized in that: Two oppositely arranged material gathering plates (11) are provided on the lower side of the pressure plate (3), and the two material gathering plates (11) are inclined from top to bottom and gradually approach each other, and a material storage box (7) is provided on the lower side of the two material gathering plates (11), and the upper side of the material storage box (7) is open.

10. A highway construction quality detection device according to claim 9, characterized in that: A plurality of moving wheels (71) are installed at the bottom of the material storage box (7), and an opening is provided at the bottom of the side wall of the detection box (1) for the material storage box (7) to be moved out of the detection box (1), and an opening and closing door (12) is provided at the opening for sealing the opening.

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