A highway engineering pavement quality detection device and a detection method thereof

Abstract

The application belongs to the technical field of civil engineering, and particularly relates to a highway engineering pavement quality detection device and a detection method thereof. In view of the problem that, when there are loose but not completely separated chunks on the surface of a sample, the collapse of the chunks will cause instantaneous vibration of the testing device during the detection process, resulting in abnormal detection results, the following scheme is proposed, which comprises a main cabinet body, the inner wall of the main cabinet body is fixedly connected with a mounting plate frame, a pretreatment module and a cleaning module are arranged on the mounting plate frame, the pretreatment module comprises two sliding blocks, two guide rails are arranged on the mounting plate frame, the two sliding blocks are slidably arranged in the corresponding guide rails, and the top of each sliding block is fixedly connected with a sliding table. The highway engineering pavement quality detection device and the detection method thereof can actively remove the loose debris and critical falling particles on the surface of the sample, avoid the instantaneous vibration of the testing device caused by the collapse of the chunks, and ensure the stability and accuracy of the data.

Description

TECHNICAL FIELD

[0001] The present application relates to the civil engineering technical field, and particularly to a highway engineering pavement quality detection device and a detection method thereof. BACKGROUND

[0002] The highway engineering pavement refers to one or more structure layers built on the highway subgrade by various road construction materials. Its main function is to provide a flat and solid driving surface for vehicles, and directly bear the action of driving load and natural factors (such as temperature and humidity change).

[0003] In the prior art, during the detection of the sample, if there are loose but not completely separated pieces on the surface of the sample, when the pressure load is applied to the critical point, these pieces may suddenly fall off and cause instantaneous vibration of the test device, resulting in abnormal values of the collected data and deviating from the true results. SUMMARY

[0004] The present application discloses a highway engineering pavement quality detection device and a detection method thereof, aiming to solve the technical problem of abnormal detection results caused by the collapse of the pieces during the detection process when there are loose but not completely separated pieces on the surface of the sample in the background art.

[0005] The highway engineering pavement quality detection device provided by the present application comprises a main cabinet, the inner wall of the main cabinet is fixedly connected with a mounting plate frame, a pretreatment module and a cleaning module are arranged on the mounting plate frame, the pretreatment module comprises two sliding blocks, two guide rails are formed on the mounting plate frame, the two sliding blocks are slidably arranged in the corresponding guide rails, the top of each sliding block is fixedly connected with a sliding table, the cleaning module comprises two sliding seats, two sliding grooves are formed on the mounting plate frame, the two sliding seats are slidably arranged in the corresponding sliding grooves, the top of each sliding seat is fixedly connected with a mounting bracket, a placing tray is arranged on the top of the mounting plate frame, and a sample body is arranged on the top of the placing tray.

[0006] In a preferred scheme, the bottom of the mounting plate frame is movably connected with a rotating shaft, the outer part of the rotating shaft is fixedly connected with a driven gear, the bottom of each sliding block is fixedly connected with a toothed rod, the two toothed rods are in meshing connection with the driven gear, the bottom of the mounting plate frame is fixedly connected with a driving motor, the output end of the driving motor is fixedly connected with a driving gear, and the driving gear is in meshing connection with the driven gear.

[0007] In an preferred scheme, the top of the two sliding tables are fixedly connected with mounting rings, two round holes are formed in the two mounting rings, rotating rods are movably connected in the round holes, rotating rollers are fixedly connected to the outer portions of the rotating rods, drive wheels are fixedly connected to the top ends of the rotating rods, the outer walls of the two drive wheels on the same side are slidably connected with the same transmission belt, universal motors are fixedly connected to the two mounting rings, and the output ends of the two universal motors are fixedly connected to the corresponding rotating rods.

[0008] In an preferred scheme, two movable holes are formed in the two mounting rings, cleaning rollers are movably connected in the two movable holes, and servo motors are fixedly connected to the top of the two mounting rings, the output ends of the two servo motors are fixedly connected to the top of the corresponding cleaning rollers.

[0009] The pretreatment module is arranged, the driving motor rotates the driving gear, drives the two side tooth rods and the sliding blocks to slide towards each other, moves the sliding table and the mounting ring to the center, until the rotating rollers are tightly attached to the sample body, the universal motor drives the rotating rollers to rotate synchronously through the drive wheels and the transmission belt, drives the sample body to rotate, the servo motor rotates the cleaning roller, and the impurities attached to the sample body and the fragments about to fall off are cleaned, the loose debris and the critical falling particles on the sample surface are actively removed, the instantaneous vibration of the testing device caused by the falling of the fragments is avoided, and the stability and accuracy of the detection data are effectively ensured.

[0010] In an preferred scheme, the top of the two mounting rings are fixedly connected with negative pressure bins, one end of the two negative pressure bins is fixedly connected with connecting pipes, one side of the two mounting rings is fixedly connected with collecting bins, the ends of the two connecting pipes away from the negative pressure bins are fixedly connected to the corresponding collecting bins, two hydraulic rods are fixedly connected in the two sliding grooves, and the driving ends of the hydraulic rods are fixedly connected to the corresponding sliding seats.

[0011] In an preferred scheme, mounting holes are formed in the two negative pressure bins, negative pressure pumps are fixedly connected in the two mounting holes, and filter cartridge pieces are fixedly connected to the inner walls of one side of the two negative pressure bins.

[0012] In an preferred scheme, fixed ring frames are fixedly connected to the inner walls of the two filter cartridge pieces, step motors are fixedly connected to the two fixed ring frames, connecting rods are fixedly connected to the output ends of the two step motors, cleaning cartridge pieces are slidably connected to the outer walls of the two filter cartridge pieces, and one end of the connecting rods away from the step motors is fixedly connected to the corresponding cleaning cartridge piece.

[0013] By setting up the cleaning module, the hydraulic rod pushes the sliding seat and the mounting frame to move to the center, the negative pressure pump keeps the inside of the negative pressure bin in a negative pressure state, the falling impurities and fragments are sucked into the collecting bin, enter the negative pressure bin through the connecting pipe, the stepping motor rotates the connecting rod, drives the cleaning cylinder to clean the outside of the filter cylinder, avoids the filter cylinder from being blocked to affect the cleaning efficiency, can collect and clean the fragments generated inside the device, ensures the cleanliness and stability of the operation of the device.

[0014] In a preferred scheme, the top of the mounting plate frame is fixedly connected with a plurality of limiting rods, the outer wall of the plurality of limiting rods is slidingly connected with the same protective frame, two fixing holes are formed in the protective frame, and two hydraulic pumps are fixedly connected in the two fixing holes.

[0015] In a preferred scheme, the top inner wall of the main cabinet is fixedly connected with two winding motors, the output ends of the two winding motors are fixedly connected with winding wheels, the outer parts of the two winding wheels are surrounded by winding ropes, and the ends of the two winding ropes away from the winding wheels are fixedly connected to the top of the protective frame.

[0016] By setting up the winding motor, the winding wheel, the winding rope and the protective frame, the winding motor rotates the winding wheel, loosens the winding rope to make the protective frame fall by gravity, the protective frame slides downward on the outer wall of the limiting rod to the mounting plate frame, the hydraulic pump pushes the pressing plate to test the strength of the sample body, and when the detection is performed, the falling protective frame can avoid the broken fragments from damaging the internal devices of the device.

[0017] A highway engineering pavement quality detection method uses the highway engineering pavement quality detection device, and comprises the following steps:

[0018] Step one, open the movable door, place the sample body and the placing tray to the specified position, start the driving motor through the control panel, move the two side mounting rings to the center, until the rotating rollers are close to the sample body, start the universal motor to drive the rotating rollers to rotate synchronously, drive the sample body to rotate, and the servo motor rotates the cleaning roller to clean the outside of the sample body;

[0019] Step two, after the pretreatment module is reset, the hydraulic rod pushes the mounting frame to move to the center, the negative pressure pump keeps the inside of the negative pressure bin in a negative pressure state, the falling impurities and fragments are sucked into the collecting bin, enter the negative pressure bin through the connecting pipe, and the stepping motor drives the cleaning cylinder to clean the outside of the filter cylinder;

[0020] Step three, after the cleaning module is reset, the winding motor rotates the winding wheel, loosens the winding rope to make the protective frame slide downward on the outer wall of the limiting rod to the mounting plate frame, and the hydraulic pump is started to push the pressing plate to test the strength of the sample body.

[0021] From the above, the road engineering pavement quality detection device provided by the application can actively remove loose debris and critical falling particles on the surface of the sample, promote the early peeling of unstable fragments without damaging the body of the test block, and recycle the debris through the negative pressure adsorption system in the cleaning module, thereby avoiding the instantaneous vibration of the test device caused by the collapse of the fragments and effectively ensuring the stability and accuracy of the detection data. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The overall structure schematic diagram of the road engineering pavement quality detection device is provided.

[0023] Figure 2 The internal structure schematic diagram of the main cabinet of the road engineering pavement quality detection device is provided.

[0024] Figure 3 The structure schematic diagram of the mounting plate frame of the road engineering pavement quality detection device is provided.

[0025] Figure 4 The structure schematic diagram of the bottom of the mounting plate frame of the road engineering pavement quality detection device is provided.

[0026] Figure 5 The structure schematic diagram of the mounting ring frame of the pretreatment module of the road engineering pavement quality detection device is provided.

[0027] Figure 6 The structure schematic diagram of the cleaning module of the road engineering pavement quality detection device is provided.

[0028] Figure 7 The internal structure schematic diagram of the negative pressure bin of the cleaning module of the road engineering pavement quality detection device is provided.

[0029] Figure 8 The structure schematic diagram of the protective frame of the road engineering pavement quality detection device is provided.

[0030] In the figure: 1, main cabinet body; 2, movable door; 3, control panel; 4, mounting plate frame; 5, pretreatment module; 501, rotating shaft; 502, driven gear; 503, driving motor; 504, driving gear; 505, rack; 506, sliding block; 507, sliding table; 508, mounting ring frame; 509, rotating rod; 510, rotating roller; 511, transmission wheel; 512, transmission belt; 513, general motor; 514, cleaning roller; 515, servo motor; 6, cleaning module; 601, sliding seat; 602, hydraulic rod; 603, mounting frame; 604, negative pressure bin; 605, collection bin; 606, connecting pipe; 607, negative pressure pump; 608, filter cartridge; 609, fixed ring frame; 610, stepping motor; 611, connecting rod; 612, cleaning cartridge; 7, placing tray; 8, sample body; 9, limiting rod; 10, protective frame; 11, winding motor; 12, winding wheel; 13, winding rope; 14, hydraulic pump; 15, pressing plate. DETAILED DESCRIPTION

[0031] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, not all.

[0032] The disclosed highway engineering pavement quality detection device is mainly applied to the scene that when there are loose but not completely separated fragments on the surface of a sample, the collapse of the fragments will cause instantaneous vibration of the testing device during the detection process, resulting in abnormal detection results.

[0033] Reference Figures 1-8 A highway engineering pavement quality detection device, comprising a main cabinet body 1, the inner wall of the main cabinet body 1 is fixedly connected with a mounting plate frame 4, the mounting plate frame 4 is provided with a pretreatment module 5 and a cleaning module 6, the pretreatment module 5 comprises two sliding blocks 506, two guide rails are formed in the mounting plate frame 4, the two sliding blocks 506 are slidably arranged in the corresponding guide rails, the top of each sliding block 506 is fixedly connected with a sliding table 507, the cleaning module 6 comprises two sliding seats 601, two sliding grooves are formed in the mounting plate frame 4, the two sliding seats 601 are slidably arranged in the corresponding sliding grooves, the top of each sliding seat 601 is fixedly connected with a mounting frame 603, the top of the mounting plate frame 4 is provided with a placing tray 7, and the top of the placing tray 7 is provided with a sample body 8.

[0034] Reference Figure 1 , Figure 4 and Figure 5The bottom of the mounting plate frame 4 is movably connected with a rotating shaft 501, the outer part of the rotating shaft 501 is fixedly connected with a driven gear 502, the bottom of each of the two sliding blocks 506 is fixedly connected with a toothed rod 505, the two toothed rods 505 are in mesh with the driven gear 502, the bottom of the mounting plate frame 4 is fixedly connected with a driving motor 503, the output end of the driving motor 503 is fixedly connected with a driving gear 504, and the driving gear 504 is in mesh with the driven gear 502.

[0035] With reference to Figure 1 , Figure 4 and Figure 5 , the top of each of the two sliding tables 507 is fixedly connected with a mounting ring frame 508, two circular holes are formed in each of the two mounting ring frames 508, a rotating rod 509 is rotatably connected in each of the circular holes through a bearing, the outer part of each of the rotating rods 509 is fixedly connected with a rotating roller 510, the top end of each of the rotating rods 509 is fixedly connected with a transmission wheel 511, the outer wall of each of the two transmission wheels 511 located on the same side is slidably connected with the same transmission belt 512, a general motor 513 is fixedly connected to each of the two mounting ring frames 508, and the output end of each of the general motors 513 is fixedly connected to the corresponding rotating rod 509.

[0036] With reference to Figure 1 , Figure 4 and Figure 5 , a movable hole is formed in each of the two mounting ring frames 508, a cleaning roller 514 is rotatably connected in each of the movable holes through a bearing, and a servo motor 515 is fixedly connected to the top of each of the two mounting ring frames 508.

[0037] In a specific application scenario, the driving motor 503 rotates the driving gear 504, drives the toothed rods 505 and the sliding blocks 506 on both sides to slide towards each other, moves the sliding tables 507 and the mounting ring frames 508 to the center, until the rotating rollers 510 are in close contact with the sample body 8, the general motors 513 drive the rotating rollers 510 to rotate synchronously through the transmission wheels 511 and the transmission belts 512, drive the sample body 8 to rotate, the servo motors 515 rotate the cleaning rollers 514 to clean the impurities attached to the sample body 8 and the fragments about to fall off, can actively remove the loose debris and the critical falling particles on the surface of the sample, avoid the instantaneous vibration of the testing device caused by the falling of the fragments, and effectively guarantee the stability and accuracy of the detection data.

[0038] With reference to Figure 1 , Figure 6 and Figure 7The top of the two mounting frames 603 is fixedly connected with a negative pressure bin 604, one end of the two negative pressure bins 604 is fixedly connected with a connecting pipe 606, one side of the two mounting frames 603 is fixedly connected with a collection bin 605, the end, away from the negative pressure bin 604, of the two connecting pipes 606 is fixedly connected to the corresponding collection bin 605, and the two sliding grooves are fixedly connected with two hydraulic rods 602, and the driving end of the plurality of hydraulic rods 602 is fixedly connected to the corresponding sliding seat 601.

[0039] Referring to Figure 1 , Figure 6 and Figure 7 , the two negative pressure bins 604 are provided with mounting holes, the two mounting holes are fixedly connected with a negative pressure pump 607, and the inner wall of one side of the two negative pressure bins 604 is fixedly connected with a filter cartridge 608.

[0040] Referring to Figure 1 , Figure 6 and Figure 7 , the inner wall of the two filter cartridges 608 is fixedly connected with a fixed ring 609, the two fixed rings 609 are fixedly connected with a stepping motor 610, the output end of the two stepping motors 610 is fixedly connected with a connecting rod 611, and the outer wall of the two filter cartridges 608 is slidingly connected with a cleaning cartridge 612, and the end, away from the stepping motor 610, of the two connecting rods 611 is fixedly connected to the corresponding cleaning cartridge 612.

[0041] In a specific application scenario, the hydraulic rod 602 pushes the sliding seat 601 and the mounting frame 603 to move towards the center, the negative pressure pump 607 keeps the inside of the negative pressure bin 604 in a negative pressure state, the falling impurities and fragments are sucked into the collection bin 605, enter the negative pressure bin 604 through the connecting pipe 606, the stepping motor 610 rotates the connecting rod 611 to drive the cleaning cartridge 612 to clean the outside of the filter cartridge 608, so as to avoid the blockage of the filter cartridge 608 affecting the cleaning efficiency, the device can collect and clean the fragments generated inside, and ensure the cleanliness and stability of the device.

[0042] Referring to Figure 1 , Figure 2 and Figure 8 , the top of the mounting plate frame 4 is fixedly connected with a plurality of limiting rods 9, the outer wall of the plurality of limiting rods 9 is slidingly connected with the same protective frame 10, two fixing holes are formed in the protective frame 10, the two fixing holes are fixedly connected with a hydraulic pump 14, and the driving end of the two hydraulic pumps 14 is fixedly connected with a pressing plate 15.

[0043] Referring to Figure 1 , Figure 2 and Figure 8The top inner wall of the main cabinet body 1 is fixedly connected with two winding motors 11, the output ends of the two winding motors 11 are fixedly connected with winding wheels 12, the outer parts of the two winding wheels 12 are surrounded by winding ropes 13, and the ends, away from the winding wheels 12, of the two winding ropes 13 are fixedly connected to the top of the protective frame 10.

[0044] In a specific application scenario, the winding motor 11 rotates the winding wheel 12, the winding rope 13 is loosened, the protective frame 10 falls by gravity, the protective frame 10 slides downwards on the outer wall of the limiting rod 9 to the mounting plate frame 4, the hydraulic pump 14 pushes the pressing plate 15 to test the strength of the sample body 8, and when the detection is performed, the falling of the protective frame 10 can avoid damage to the internal devices of the device caused by the broken fragments.

[0045] A highway engineering pavement quality detection method uses the highway engineering pavement quality detection device as described above, and includes the following steps.

[0046] Step one, open the movable door 2, place the sample body 8 and the placing tray 7 to the designated position, start the driving motor 503 through the control panel 3, move the two side mounting rings 508 to the center, until the rotating rollers 510 are in close contact with the sample body 8, start the general motor 513 to drive the rotating rollers 510 to rotate synchronously, drive the sample body 8 to rotate, and at the same time, the servo motor 515 rotates the cleaning roller 514 to clean the outside of the sample body 8;

[0047] Step two, after the pretreatment module 5 is reset, the hydraulic rod 602 pushes the mounting frame 603 to move to the center, the negative pressure pump 607 keeps the inside of the negative pressure bin 604 in a negative pressure state, the falling impurities and fragments are sucked into the collection bin 605, enter the negative pressure bin 604 through the connecting pipe 606, and at the same time, the stepping motor 610 drives the cleaning cylinder 612 to clean the outside of the filter cylinder 608;

[0048] Step three, after the cleaning module 6 is reset, the winding motor 11 rotates the winding wheel 12, the winding rope 13 is loosened, the protective frame 10 slides downwards on the outer wall of the limiting rod 9 to the mounting plate frame 4, and the hydraulic pump 14 is started to push the pressing plate 15 to test the strength of the sample body 8.

[0049] Working principle: open the movable door 2, place the sample body 8 on the placing tray 7 and place it on the designated position on the top of the mounting plate frame 4, close the movable door 2, and then start the driving motor 503 through the control panel 3 to rotate the driving gear 504, engage the driven gear 502, force the two side tooth rods 505 to slide towards the sliding block 506, and then drive the sliding table 507 and the mounting ring frame 508 to move to the center, until the rotating roller 510 is in close contact with the sample body 8, start the general motor 513, drive the rotating roller 510 to rotate synchronously under the action of the transmission wheel 511 and the transmission belt 512, drive the sample body 8 in the center to rotate, and at the same time start the servo motor 515 to rotate the cleaning roller 514, clean the impurities and the fragments to be shed on the sample body 8, prevent the influence on the detection result; after resetting the pretreatment module 5, start the hydraulic rod 602 to push the two side sliding seats 601 and the mounting frame 603 to move to the center, after reaching the specified position, start the negative pressure pump 607 to keep the inside of the negative pressure bin 604 in a negative pressure state, the falling impurities and fragments are sucked into the collection bin 605, through the connecting pipe 606 into the negative pressure bin 604, at the same time, start the stepping motor 610 to rotate the connecting rod 611, drive the cleaning cylinder 612 to clean the outside of the filter cylinder 608, avoid the filter cylinder 608 being blocked to affect the cleaning efficiency; after resetting the cleaning module 6, start the winding motor 11 to rotate the winding wheel 12, loosen the winding rope 13 to make the protective frame 10 fall down by gravity, the protective frame 10 slides down to the mounting plate frame 4 outside the limiting rod 9, start the hydraulic pump 14 to push the pressing plate 15 to test the strength of the sample body 8, the protective frame 10 can avoid the broken fragments to damage the inside of the device.

[0050] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A highway engineering pavement quality detection device, comprising a main cabinet (1), characterized in that, The inner wall of the main cabinet body (1) is fixedly connected with a mounting plate frame (4), the mounting plate frame (4) is provided with a pretreatment module (5) and a cleaning module (6), the pretreatment module (5) comprises two sliding blocks (506), two guide rails are formed in the mounting plate frame (4), the two sliding blocks (506) are slidably arranged in the corresponding guide rails, the top of each of the two sliding blocks (506) is fixedly connected with a sliding table (507), the cleaning module (6) comprises two sliding seats (601), two sliding grooves are formed in the mounting plate frame (4), the two sliding seats (601) are slidably arranged in the corresponding sliding grooves, the top of each of the two sliding seats (601) is fixedly connected with a mounting frame (603), the top of the mounting plate frame (4) is provided with a placing tray (7), and the top of the placing tray (7) is provided with a sample body (8). The bottom of the mounting plate frame (4) is movably connected with a rotating shaft (501), the rotating shaft (501) is fixedly connected with a driven gear (502) outside, the bottom of each of the two sliding blocks (506) is fixedly connected with a toothed rod (505), the two toothed rods (505) are in mesh with the driven gear (502), the bottom of the mounting plate frame (4) is fixedly connected with a driving motor (503), the output end of the driving motor (503) is fixedly connected with a driving gear (504), and the driving gear (504) is in mesh with the driven gear (502). The top of each of the two sliding tables (507) is fixedly connected with a mounting ring frame (508), two round holes are formed in each of the two mounting ring frames (508), a rotating rod (509) is movably arranged in each of the round holes, the outer part of each of the rotating rods (509) is fixedly connected with a rotating roller (510), the top end of each of the rotating rods (509) is fixedly connected with a transmission wheel (511), the outer wall of each of the two transmission wheels (511) located on the same side is slidably connected with the same transmission belt (512), each of the two mounting ring frames (508) is fixedly connected with a universal motor (513), and the output end of each of the two universal motors (513) is fixedly connected with the corresponding rotating rod (509).

2. The highway engineering pavement quality detection device according to claim 1, characterized in that, Two movable holes are formed in each of the two mounting ring frames (508), a cleaning roller (514) is movably arranged in each of the two movable holes, the top of each of the two mounting ring frames (508) is fixedly connected with a servo motor (515), and the output end of each of the two servo motors (515) is fixedly connected with the top of the corresponding cleaning roller (514).

3. The highway engineering pavement quality detection device according to claim 2, characterized in that, The top of each of the two mounting frames (603) is fixedly connected with a negative pressure bin (604), one end of each of the two negative pressure bins (604) is fixedly connected with a connecting pipe (606), one side of each of the two mounting frames (603) is fixedly connected with a collection bin (605), the end, away from the negative pressure bin (604), of each of the two connecting pipes (606) is fixedly connected with the corresponding collection bin (605), and two hydraulic rods (602) are fixedly arranged in each of the two sliding grooves. The driving end of each of the plurality of hydraulic rods (602) is fixedly connected with the corresponding sliding seat (601).

4. The highway engineering pavement quality detection device according to claim 3, characterized in that, Two mounting holes are formed in the two negative pressure bins (604), two negative pressure pumps (607) are fixedly connected in the two mounting holes, and the inner walls of the sides of the two negative pressure bins (604) are fixedly connected with filter cylinder pieces (608).

5. The highway engineering pavement quality detection device according to claim 4, characterized in that, The inner walls of the two filter cylinder pieces (608) are fixedly connected with fixed ring frames (609), the fixed ring frames (609) are fixedly connected with stepping motors (610), the output ends of the stepping motors (610) are fixedly connected with connecting rods (611), and the outer walls of the two filter cylinder pieces (608) are slidably connected with cleaning cylinder pieces (612), and the ends, away from the stepping motors (610), of the two connecting rods (611) are fixedly connected to the corresponding cleaning cylinder pieces (612).

6. The highway engineering pavement quality detection device according to claim 5, characterized in that, The top of the mounting plate frame (4) is fixedly connected with a plurality of limiting rods (9), the outer wall of the plurality of limiting rods (9) is slidably connected with the same protective frame (10), two fixing holes are formed in the protective frame (10), and the two fixing holes are fixedly connected with hydraulic pumps (14), and the driving ends of the two hydraulic pumps (14) are fixedly connected with pressing plates (15).

7. The highway engineering pavement quality detection device according to claim 6, characterized in that, The top inner wall of the main cabinet (1) is fixedly connected with two winding motors (11), the output ends of the two winding motors (11) are fixedly connected with winding wheels (12), the outer portions of the two winding wheels (12) are surrounded with winding ropes (13), and the ends, away from the winding wheels (12), of the two winding ropes (13) are fixedly connected to the top of the protective frame (10).

8. A method for detecting the quality of a road surface of a road construction, using a device for detecting the quality of a road surface of a road construction according to claim 7, characterized by, The method comprises the following steps: Step one, open the movable door (2), place the sample body (8) and the placing tray (7) to the designated position, start the driving motor (503) through the control panel (3), move the two mounting ring frames (508) to the center, until the rotating rollers (510) are in close contact with the sample body (8), start the universal motor (513) to drive the rotating rollers (510) to rotate synchronously, drive the sample body (8) to rotate, and at the same time, the servo motor (515) rotates the cleaning roller (514) to clean the outside of the sample body (8); Step two, after the pretreatment module (5) is reset, the hydraulic rod (602) pushes the mounting frame (603) to move to the center, the negative pressure pump (607) keeps the inside of the negative pressure bin (604) in a negative pressure state, the falling impurities and fragments are sucked into the collection bin (605), enter the negative pressure bin (604) through the connecting pipe (606), and at the same time, the stepping motor (610) drives the cleaning cylinder piece (612) to clean the outside of the filter cylinder piece (608); Step three, after the cleaning module (6) is reset, the winding motor (11) rotates the winding wheel (12), relaxes the winding rope (13) to make the protective frame (10) slide downward on the outer wall of the limiting rod (9) to the mounting plate frame (4), and starts the hydraulic pump (14) to push the pressing plate (15) to test the strength of the sample body (8).

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