CN114264273A

CN114264273A - Highway subgrade road surface flatness detection equipment

Info

Publication number: CN114264273A
Application number: CN202111461182.9A
Authority: CN
Inventors: 胡江三; 王国忠; 李永翔; 贾永杰; 其他发明人请求不公开姓名
Original assignee: Inner Mongolia Agricultural University
Current assignee: Inner Mongolia Agricultural University
Priority date: 2021-12-03
Filing date: 2021-12-03
Publication date: 2022-04-01

Abstract

The invention discloses a road surface flatness detecting device of a highway subgrade, which structurally comprises a moving wheel, a detecting component, a detecting head, a display screen, a mounting frame, a main body, a side plate, a limiting bolt and a clearing device, wherein when the device is used, sundries such as stones and trunks on the road surface are cleaned and stressed through a collecting hopper, after the sundries are received, vibration generated by collision of a pressure rod with the sundries is absorbed through a buffer component, the collecting hopper is supported through matching of a chute supporting piece, so that the collecting hopper can stably clean the sundries and the trunks on the road surface, the flatness of the subgrade and the road surface of the highway is detected through a detecting wheel, when the detecting wheel contacts with a convex road surface, a connecting rod is driven to retract inwards to extrude a pressure spring, the pressure spring retracts inwards to extrude a measuring sensor after being pressurized, and the measuring sensor can measure the convex degree of the road surface, and providing accurate data guidance for further repairing the road.

Description

Highway subgrade road surface flatness detection equipment

Technical Field

The invention relates to the technical field of highway engineering, in particular to a highway subgrade and pavement flatness detection device.

Background

The road bed is the basis of road surface, is the geotechnological structure that forms through excavation or filling, and the main effect of road bed is for providing the prerequisite for the driving operation, still need to detect its roughness after the construction of highway road bed road surface, and the good road surface of quality should have sufficient intensity and good stability, and its surface should reach the requirement of level, closely knit and cling compound, when detecting the roughness of the road bed road surface of highway, needs the place of improvement:

when the roughness to the road bed road surface of highway is examined, need place equipment and detect on the road surface, in the testing process, need the staff to clear up debris such as stone, trunk on the road surface that detects in advance, otherwise equipment can take place the undulation of certain range when the process stone, the very big influence of reality of final measurement for the result that detects does not have the authenticity, thereby lead to the staff to confirm the inspection to the road surface position that data deviation appears.

Disclosure of Invention

Aiming at the defects in the prior art, the invention is realized by the following technical scheme: the utility model provides a highway subgrade road surface roughness check out test set, its structure is including removing wheel, determine module, detecting head, display screen, mounting bracket, main part, curb plate, spacing bolt, clearing device, it is equipped with four to remove the wheel, and four remove the wheel and fix in the main part, the main part both sides all are equipped with the solid curb plate of inlaying with it, be equipped with spacing bolt and both swing joint on the curb plate, the mounting bracket is installed at the main part top, fixedly connected with display screen on the intermediate position of mounting bracket one side, the detecting head is installed to the intermediate position of opposite side, detecting head and display screen adopt electric connection, clearing device is installed to main part one side, install determine module in the main part.

The detection assembly comprises a plurality of detection wheels, connecting rods, positioning grooves, a measurement sensor, a pressure spring and a limiting clamping plate, the detection wheels are respectively connected to the connecting rods, one ends of the connecting rods, far away from the detection wheels, penetrate through the positioning grooves and extend into the positioning grooves, the measurement sensor is mounted in the positioning grooves, the bottoms of the measurement sensors are connected with the top ends of the pressure springs, one ends of the pressure springs, far away from the measurement sensor, are connected with one ends of the connecting rods, extending into the positioning grooves, the positioning grooves penetrate through the limiting clamping plate in an inserted mode, and the tops of the positioning grooves are inserted into the main body.

The clearing device comprises a collecting hopper, a chute, a pressure rod, a buffer component and a support component, wherein the chute and the pressure rod are installed on one side of the collecting hopper, the chute is embedded on the collecting hopper, one side of the top of the collecting hopper is fixedly connected with the pressure rod, one end of the pressure rod, far away from the collecting hopper, is connected with the buffer component in a penetrating mode, one end of the buffer component is connected with the support component, the other end of the support component is connected to the chute and is connected with the chute in a sliding mode, and the buffer component is installed on the main body.

As a further optimization of the invention, the chute comprises a slide way, a buckling block and a clamping groove, the slide way is arranged in the clamping groove, the slide way is connected with the buckling block and movably connected with the buckling block, the clamping groove is embedded and fixed on the collecting hopper, and the buckling block is fixedly connected with the supporting piece.

As a further optimization of the invention, the buffer component comprises a slide block, a pushing piece, a buffer cavity, an elastic rod, an outer frame, a slide rail, a mounting seat and a pressure plate, the two sliding blocks are connected with the sliding rail in a sliding way, one end of the sliding block far away from the sliding rail is connected with the pushing piece, the other end of the pushing piece is buckled at the bottom of the pressure plate, a pressure rod is inserted and embedded in the pressure plate, two sides of the pressure plate are connected on the sliding rail and are connected with the sliding rail in a sliding way, one side of the sliding block is provided with an elastic rod which is inserted with the sliding block, the other end of the elastic rod is embedded and fixed at the lower end of the inner part of the outer frame, a buffer cavity is arranged in the middle of the inner part of the outer frame, pushing pieces are connected with the tops of both sides of the buffer cavity, the pushing piece is connected between the sliding block and the pressing plate, the mounting seat is embedded at the bottom of the outer frame and connected with the supporting piece, and the outer frame is fixedly connected to the main body.

As the content of the invention is further optimized, the pushing piece comprises two clamping plates, sliding grooves, joints, moving blocks and adjusting rods, the two clamping plates are respectively connected with the joints at two ends, the sliding grooves are respectively arranged at the inner sides of the two clamping plates, the sliding grooves are connected with the moving blocks in a sliding mode, one ends, far away from the sliding grooves, of the moving blocks are connected with the adjusting rods, the other ends of the adjusting rods extend into the buffer cavities, and the joints at two ends of the two clamping plates are respectively connected with the sliding blocks and the pressing plates.

As the content of the invention is further optimized, the buffer cavity comprises a spring part, a shell, a movable groove, a spring and a connecting block, the spring part is arranged in the shell, the top of the spring part is connected to the inner wall of the top of the shell, the bottom of the spring part is connected to the middle position of the top of the connecting block, the bottom of the connecting block penetrates through the movable groove and extends into the movable groove, the spring is arranged in the movable groove, the spring is connected to the bottom of the connecting block, the shell is arranged at the middle position of the inner part of the outer frame, and two ends of the top of the connecting block are connected with adjusting rods.

The supporting piece comprises two insertion blocks, clamping rods, a top plate, compression springs, hollow pipes, pull strips, a limiting slider and two butt-joint rods, the two insertion blocks are fixedly connected to the end portions of the two butt-joint rods, the pull strips are connected between the two butt-joint rods, the two butt-joint rods penetrate through the limiting slider and movably connected with the limiting slider, the hollow pipes and the clamping rods are connected to the end portions of the inner sides of the two butt-joint rods respectively, the top plate is installed at one end, far away from the butt-joint rods, of each clamping rod, the compression springs are arranged in the hollow pipes and are in contact with the tops of the top plates, the insertion blocks are inserted into the buckling blocks, and the other ends of the butt-joint rods are connected into the installation seats.

As a further optimization of the invention, the detection wheels are provided with four or more detection wheels, and the four or more detection wheels are arranged on the mounting frame in parallel.

As a further optimization of the invention, the two butt-joint rods are connected to form an isosceles triangle structure.

Advantageous effects

The invention discloses a highway subgrade and pavement flatness detection device, which has the following beneficial effects:

1. according to the invention, the plurality of positioning grooves are equidistantly inserted on the mounting frame through the detection wheel, the connecting rod, the positioning grooves, the measuring sensor, the pressure spring and the limiting clamping plate, then the detection wheel is mounted on the positioning grooves through the connecting rod, the main body is driven to move through the moving wheel to detect the flatness of the roadbed and road surface of the highway, in the inspection process, when the detection wheel contacts with the convex road surface, the connecting rod is driven to retract inwards to extrude the pressure spring, the pressure spring retracts inwards to extrude the measuring sensor after being subjected to pressure, and the measuring sensor can measure the convexity of the road surface, so that accurate data guidance is provided for further road repair.

2. According to the invention, the collecting hopper is arranged at the front end of the main body through the collecting hopper, the chute, the pressure rod, the buffer component and the support component, the collecting hopper is used for cleaning and stressing sundries such as stones and trunks on the road surface, the collecting hopper can extrude the pressure rod after receiving the sundries, the pressure rod can transmit the stressed pressure to the interior of the buffer component, the buffer component is used for absorbing the vibration generated by the collision of the pressure rod with the sundries, the collecting hopper is subjected to buffer and shock absorption, and then the chute support component is matched with the collecting hopper to support the collecting hopper, so that the collecting hopper can stably clean the sundries and the trunks on the road surface.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

FIG. 1 is a schematic structural diagram of a road bed and pavement flatness detecting apparatus of a highway of the present invention;

FIG. 2 is a schematic diagram of the internal structure of the detecting assembly of the present invention.

FIG. 3 is a schematic side view of the cleaning device of the present invention.

FIG. 4 is a schematic view of the internal structure of the buffering assembly of the present invention.

FIG. 5 is a schematic view of the connection structure of the pushing member and the buffer chamber according to the present invention.

FIG. 6 is a side view of the supporting member of the present invention.

In the figure: the device comprises a moving wheel-1, a detection assembly-2, a detection head-3, a display screen-4, a mounting rack-5, a main body-6, a side plate-7, a limit bolt-8, a clearing device-9, a detection wheel-21, a connecting rod-22, a positioning groove-23, a measurement sensor-24, a pressure spring-25, a limit clamping plate-26, a collecting hopper-91, a sliding groove-92, a pressure rod-93, a buffer assembly-94, a support member-95, a sliding rail-921, a buckling block-922, a clamping groove-923, a sliding block-941, a pushing member-942, a buffer cavity-943, a spring rod-944, an outer frame-945, a sliding rail-946, a mounting seat-947, a pressure plate-948, a clamping plate-421, a sliding groove-422, a positioning groove-26, a positioning groove-23, a measuring sensor-24, a pressure spring-25, a limit clamping plate-26, a collecting hopper-91, a sliding groove-92, a sliding groove-944, a sliding groove, a sliding rod-92, a sliding plate, a sliding groove-94, a sliding plate, a sliding groove, a sliding plate, a sliding groove, a sliding plate, a sliding groove, The device comprises a joint-423, a moving block-424, an adjusting rod-425, a spring-431, a shell-432, a moving groove-433, a spring-434, a connecting block-435, an inserting block-951, a clamping rod-952, a top plate-953, a compression spring-954, a hollow tube-955, a brace-956, a limit slider-957 and a butt-joint rod-958.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

Example one

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a highway subgrade road surface roughness check out test set, its structure is including removing wheel 1, determine module 2, detecting head 3, display screen 4, mounting bracket 5, main part 6, curb plate 7, spacing bolt 8, clearing device 9, remove wheel 1 and be equipped with four, four remove wheel 1 and fix in

main part

6, 6 both sides of main part all are equipped with the solid curb plate 7 of inlaying with it, be equipped with spacing bolt 8 and both swing joint on the curb plate 7, mounting bracket 5 is installed at 6 tops of main part, fixedly connected with display screen 4 on the intermediate position of 5 one sides of mounting bracket, detecting head 3 is installed to the intermediate position of opposite side, detecting head 3 adopts electric connection with display screen 4, clearing device 9 is installed to 6 one sides of main part, install determine module 2 in the main part 6.

Referring to fig. 2, the detecting assembly 2 includes a plurality of detecting wheels 21, a plurality of connecting rods 22, a positioning groove 23, a plurality of measuring sensors 24, a pressure spring 25, and a limiting clamping plate 26, the plurality of detecting wheels 21 are respectively connected to the plurality of connecting rods 22, one ends of the plurality of connecting rods 22 far away from the detecting wheels 21 penetrate and extend into the positioning groove 23, the measuring sensors 24 are installed inside the positioning groove 23, the bottom of the measuring sensors 24 is connected to the top end of the pressure spring 25, one ends of the pressure spring 25 far away from the measuring sensors 24 are connected to one ends of the connecting rods 22 extending into the positioning groove 23, the plurality of positioning grooves 23 penetrate and are inserted into the limiting clamping plate 26, and the top of the positioning grooves 23 are inserted into the main body 6.

Referring to fig. 2, the detecting wheel 21 has four or more, and the four or more detecting wheels 21 are arranged in parallel on the mounting frame 5.

Above-mentioned spacing cardboard 26 is used for cooperating constant head tank 23, and a plurality of constant head tanks 23 are fixed to be pegged graft on spacing cardboard 26, prescribes a limit to the position of constant head tank 23 through spacing cardboard 26 to keep constant head tank 23's stability, make and detect wheel 21 and can stabilize and move about in constant head tank 23 inside and detect.

Referring to fig. 3, the removing device 9 includes a collecting hopper 91, a chute 92, a pressing rod 93, a buffering assembly 94, and a supporting member 95, the chute 92 and the pressing rod 93 are installed on one side of the collecting hopper 91, the chute 92 is embedded in the collecting hopper 91, one side of the top of the collecting hopper 91 is fixedly connected to the pressing rod 93, one end of the pressing rod 93, which is far away from the collecting hopper 91, is connected to the buffering assembly 94 in a penetrating manner, one end of the buffering assembly 94 is connected to the supporting member 95, the other end of the supporting member 95 is connected to the chute 92, and the two are slidably connected, and the buffering assembly 94 is installed on the main body 6.

Referring to fig. 3, the chute 92 includes a slideway 921, a fastening block 922, and a slot 923, the slideway 921 is disposed inside the slot 923, the slideway 921 is connected with the fastening block 922 and movably connected to the two, the slot 923 is embedded in the collecting hopper 91, and the fastening block 922 is fixedly connected to the supporting member 95.

Example two

main part

Referring to fig. 4, the buffer assembly 94 includes two sliders 941, a pushing member 942, a buffer cavity 943, a spring rod 944, an outer frame 945, a sliding rail 946, a mounting seat 947, and a pressing plate 948, where the two sliders 941 are slidably connected to the sliding rail 946, one end of each slider 941, which is away from the sliding rail 946, is connected to the pushing member 942, the other end of the pushing member 942 is fastened to the bottom of the pressing plate 948, the pressing plate 948 is inserted with the pressing rod 93, two sides of the pressing plate 948 are connected to the sliding rail 946 and slidably connected to the sliding rail 946, one side of each slider 941 is provided with a spring rod 944 inserted into the slider 941, the other end of each spring rod 944 is fastened to the lower end of the inner frame 945, the buffer cavity 943 is installed in the middle of the inner frame 945, the pushing member 942 is connected to the tops of two sides of the buffer cavity 943, the pushing member 942 is connected between the slider 941 and the pressing plate 948, the mounting seat 947 is fastened to the bottom of the outer frame 945, the mounting 947 is connected to the support 95, and the outer frame 945 is fixedly connected to the main body 6.

Foretell bullet pole 944 is used for cooperating slider 941, and bullet pole 944 connects in the slider 941 bottom, and slider 941 can play thereupon at the activity in-process bullet pole 944, and the inside elastic component that is equipped with of bullet pole 944, and it has the effect of spring, can carry out the springing along with the activity of slider 941 and adjust.

Referring to fig. 5, the pushing member 942 includes two clamping plates 421, two sliding grooves 422, two joints 423, a moving block 424, and an adjusting rod 425, the two ends of the two clamping plates 421 are connected to the joints 423, the inner sides of the two clamping plates 421 are provided with the sliding grooves 422, the sliding grooves 422 are slidably connected to the moving block 424, one end of the moving block 424, which is far away from the sliding grooves 422, is connected to the adjusting rod 425, the other end of the adjusting rod 425 extends into the buffer cavity 943, and the joints 423 at the two ends of the two clamping plates 421 are respectively connected to the sliding block 941 and the pressing plate 948.

Referring to fig. 5, the buffer cavity 943 includes a spring 431, a housing 432, a movable groove 433, a spring 434, and a connecting block 435, the spring 431 is disposed inside the housing 432, the top of the spring 431 is connected to the inner wall of the top of the housing 432, the bottom of the spring 431 is connected to the middle position of the top of the connecting block 435, the bottom of the connecting block 435 penetrates through the movable groove 433, the spring 434 is disposed inside the movable groove 433, the spring 434 is connected to the bottom of the connecting block 435, the housing 432 is mounted at the middle position of the inside of an outer frame 945, and two ends of the top of the connecting block 435 are connected to adjusting rods 425.

The above-mentioned pressing member 431 is used for matching the connection block 435, the pressing member 431 is connected between the connection block 435 and the housing 432, and the pressing member 431 restrains the connection block 435 so that the connection block 435 can stably move in the movable groove 433.

Referring to fig. 6, the supporting member 95 includes two insertion blocks 951, two clamping bars 952, a top plate 953, compression springs 954, hollow pipes 955, a brace 956, a limiting slider 957 and two docking rods 958, the insertion blocks 951 are fixedly connected to the end portions of the two docking rods 958, the brace 956 is connected between the two docking rods 958, the two docking rods 958 penetrate through the interior of the limiting slider 957 and are movably connected to the two docking rods 951, the hollow pipes 955 and the clamping rods 952 are respectively connected to the inner end portions of the two docking rods 958, the top plate 953 is installed at one end of the clamping rod 952, which is far away from the docking rods 958, the compression springs 954 are arranged in the hollow pipes 955, the compression springs 954 are in contact with the top portions of the top plates 953, the insertion blocks 951 are inserted into the fastening blocks 922, and the other end portions of the docking rods 958 are connected to the interior of the mounting seats 947.

Referring to fig. 6, two of the docking posts 958 are connected to form an isosceles triangle structure.

The limit slider 957 is used for matching with the docking rod 958, the two docking rods 958 are docked to form an isosceles triangle structure, the two docking rods 958 extend into the limit slider 957 to open and close, the limit slider 957 controls the limit of the movement of the two docking rods 958, and the deformation of the two docking rods 958 due to an overlarge opening angle is prevented.

The working principle of the above technical solution is explained as follows:

when the invention is used, the main body 6 is placed on a roadbed pavement to be detected, the main body 6 is driven to move forwards by the moving wheel 1, in the moving process, sundries such as stones, trunks and the like on the pavement are firstly removed by the collecting hopper 91, after the sundries such as the stones, the trunks and the like enter the collecting hopper 91, the collecting hopper 91 directly receives the collision force of the stones and the trunks, the collecting hopper 91 transmits the collision force to the pressing rod 93, the pressing rod 93 presses the pressing plate 948 inwards after being pressed, the pressing plate 948 slides downwards under the action of the sliding rail 946 after being stressed, the connector 423 on the clamping plate 421 is in butt joint with the pressing plate 948, so that the pressing plate 948 transmits the pressure to the clamping plate 421, the clamping plate 421 slides downwards under the action of the sliding groove 422 and the moving block 424 after being stressed, the sliding block 941 connected to the other end of the clamping plate 421 can also move downwards under the action of the sliding rail 946, and adjust the sliding block 941 moves downwards, the elastic rod 944 retracts downwards along with the sliding block 94, after the sliding block 941 moves to a certain position, the adjusting rod 425 swings outwards along with the clamping plate 421 to expand, the adjusting rod 425 pushes the connecting block 435 downwards after expanding to a certain limit, the connecting block 435 slides downwards in the movable groove 433 under the pushing force, the spring 434 is extruded in the sliding process of the connecting block 435, the spring 434 retracts inwards under the pressure, the elastic rod 944, the elastic piece 431 and the spring 434 are matched with each other to absorb the vibration generated by the collision of the collecting hopper 91 on sundries, the effect of buffering and damping is achieved on the collecting hopper 91, and the collision force received by the collecting hopper 91 cannot be transmitted to the main body 6;

the lower end of the collecting hopper 91 swings backwards to be in an inclined state when receiving sundries, the buckling block 922 on the collecting hopper 91 is fixedly plugged with the inserting block 951, one butt end of each of the two butt joint rods 958 is fixedly connected inside the mounting seat 947 to be movably adjusted, the buckling block 922 drives the two butt joint rods 958 to slide and open inside the slideway 921 through the inserting block 951 after being subjected to extrusion force of the collecting hopper 91, the two butt joint rods 958 slide and open outwards inside the limit slider 957, the two butt joint rods 958 are pulled by the limit slider 957 assisted by the brace 956, so that the two butt joint rods 958 can stably return after being opened, the clamping rod 952 connected to the butt joint rod 958 can also slide and open outwards through the hollow tube 955 along with the opening of the two butt joint rods 958, the top plate 953 is pulled through the compression spring 954, and the clamping rod 952 is prevented from being separated from the hollow tube 955 after sliding outwards, the two butt-joint rods 958 form an isosceles triangle structure after being opened to a certain limit, and the collection receiving hopper 91 is stably supported by adopting the stability of the triangle, so that the lower end of the collection receiving hopper 91 is prevented from being collided by sundries such as stones and trunks and retracting, and the sundries such as the stones and the trunks on the road surface can be effectively collected and cleaned;

after the sundries such as stones and trunks on the road surface are cleaned, the main body 6 is driven to move by the moving wheel 1, the detection wheel 21 can roll along with the movement of the moving wheel 1 to detect the flatness of the road surface, when the detection wheel 21 contacts with the road surface to be convex, the detection wheel 21 retracting under stress is not on the same horizontal plane with other detection wheels 21, the pressure of the detection wheel 21 is transmitted to the connecting rod 22, the connecting rod 22 can movably extrude the pressure spring 25 in the positioning groove 23, the pressure spring 25 retracts inwards to extrude the measuring sensor 24 after being compressed, the measuring sensor 24 can measure the convexity of the road surface according to the change of the pressure spring 25, when the detection wheel 21 contacts with the concave pit of the road surface, the pressure spring 25 can generate elasticity to push the connecting rod 22 outwards, the detection wheel 21 can directly slide into the concave pit of the road surface, the measuring sensor 24 can measure the concave pit degree of the road surface according to the change of the pressure spring 25, the main part 6 is in removing the testing process, detecting head 3 also can be in real time to the condition on road surface and keep watch on, then conduct the condition of keeping watch on to display screen 4, the data that measuring sensor 24 detected also can be conducted on display screen 4, the picture that the staff can be monitored according to data that measuring sensor 24 detected and detecting head 3 contrasts, make the staff can be accurate look over the arch and the pit depth of road, thereby guarantee the authenticity of measuring, provide accurate data guidance for the further restoration of road.

In conclusion, the invention adopts the combination of the moving wheel, the detection component, the detection head, the display screen, the mounting rack, the main body, the side plate, the limit bolt and the clearing device to form a new highway subgrade pavement evenness detection device, the collecting hopper is used for clearing and stressing sundries such as stones, trunks and the like on the pavement, after receiving the sundries, the shock generated by the impact of the pressure rod on the sundries is absorbed by the buffer component, and the collecting receiving hopper is supported by the matching of the chute supporting piece, so that the collecting hopper can stably clean sundries and trunks on the road surface, detect the flatness of the roadbed and the road surface of the highway through the detection wheel, when the detection wheel contacts with the road surface to be convex, the connection rod can be driven to retract inwards to extrude the pressure spring, the pressure spring can retract inwards to extrude the measuring sensor after being pressed, the measuring sensor can measure the convexity degree of the road surface, and accurate data guidance is provided for further repairing of the road.

While there have been shown and described what are at present considered the fundamental principles and essential features of the invention and its advantages, it will be apparent to those skilled in the art that the invention is not limited to the details of the foregoing exemplary embodiments, but is capable of other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a highway road bed road surface roughness check out test set, its structure is including removing wheel (1), determine module (2), detecting head (3), display screen (4), mounting bracket (5), main part (6), curb plate (7), spacing bolt (8), clearing device (9), its characterized in that:

the movable wheel (1) is fixed on the main body (6), the main body (6) is embedded and fixed with the side plate (7), the side plate (7) is movably connected with the limiting bolt (8), the main body (6) is provided with the mounting frame (5), the mounting frame (5) is connected with the display screen (4) and the detecting head (3), the detecting head (3) is electrically connected with the display screen (4), and the main body (6) is provided with the clearing device (9) and the detection assembly (2);

the detection assembly (2) comprises a detection wheel (21), a connecting rod (22), a positioning groove (23), a measuring sensor (24), a pressure spring (25) and a limiting clamping plate (26), the detection wheel (21) is connected to the connecting rod (22), the connecting rod (22) penetrates into the positioning groove (23), the measuring sensor (24) is mounted on the positioning groove (23), the measuring sensor (24) is connected with the pressure spring (25), the pressure spring (25) is connected with the connecting rod (22), the positioning groove (23) is inserted into the limiting clamping plate (26), and the positioning groove (23) is inserted into the main body (6);

clearing device (9) connect fill (91), spout (92), depression bar (93), buffer assembly (94), support piece (95) including collecting, collecting connects fill (91) and installs spout (92), depression bar (93) through connection is at buffer assembly (94), buffer assembly (94) are connected with support piece (95), support piece (95) and spout (92) sliding connection, buffer assembly (94) are installed on main part (6).

2. The road bed pavement evenness detection apparatus of claim 1, wherein: spout (92) are including slide (921), lock joint piece (922), draw-in groove (923), establish on draw-in groove (923) slide (921), slide (921) and lock joint piece (922) swing joint, draw-in groove (923) are inlayed and are fixed collecting and connect on fighting (91), lock joint piece (922) and support piece (95) fixed connection.

3. The road bed pavement evenness detection apparatus of claim 1, wherein: the buffer component (94) comprises a sliding block (941), a pushing piece (942), a buffer cavity (943), an elastic rod (944), an outer frame (945), a sliding rail (946), a mounting seat (947) and a pressing plate (948), the sliding block (941) is connected with the sliding rail (946) in a sliding manner, the sliding block (941) is connected with the pushing piece (942), the pushing piece (942) is buckled on the pressure plate (948), a pressure rod (93) is inserted and embedded on the pressure plate (948), the clamp plate (948) is connected with the slide rail (946) in a sliding way, an elastic rod (944) is inserted on the slide block (941), the elastic rod (944) is fixedly embedded on the outer frame (945), the outer frame (945) is provided with a buffer cavity (943), the buffer cavity (943) is connected with a pushing piece (942), the outer frame (945) is fixedly embedded with a mounting seat (947), the mounting seat (947) is connected with the support piece (95), and the outer frame (945) is fixedly connected to the main body (6).

4. The road bed pavement evenness detection apparatus of claim 3, wherein: impeller (942) including cardboard (421), spout (422), joint (423), movable block (424), adjust pole (425), cardboard (421) are connected with joint (423), be equipped with spout (422) on cardboard (421), spout (422) and movable block (424) sliding connection, movable block (424) meet with adjusting pole (425), adjust pole (425) and run through and stretch into cushion chamber (943), connect (423) and meet with slider (941), clamp plate (948).

5. The road bed pavement evenness detection apparatus of claim 3, wherein: the buffer cavity (943) comprises a spring pressing piece (431), a shell (432), a movable groove (433), a spring (434) and a connecting block (435), wherein the spring pressing piece (431) is arranged on the shell (432), the spring pressing piece (431) is connected between the shell (432) and the connecting block (435), the connecting block (435) penetrates through the movable groove (433), the spring (434) is arranged on the movable groove (433), the spring (434) is connected onto the connecting block (435), the shell (432) is arranged on an outer frame (945), and the connecting block (435) is connected with an adjusting rod (425).

6. The road bed pavement evenness detection apparatus of claim 1, wherein: support piece (95) including inserted block (951), kelly (952), roof (953), compression spring (954), hollow tube (955), brace (956), spacing slider (957), butt joint pole (958), inserted block (951) fixed connection is on butt joint pole (958), and butt joint pole (958) meets with brace (956), butt joint pole (958) runs through and stretches into spacing slider (957) and both swing joint, be connected with hollow tube (955), kelly (952) on butt joint pole (958), roof (953) are installed to kelly (952), be equipped with compression spring (954) on hollow tube (955), compression spring (954) and roof (953) contact, inserted block (951) are pegged graft on lock (922), butt joint pole (958) is connected on mount pad (947).

7. The road bed pavement evenness detection apparatus of claim 1, wherein: the detection wheels (21) are provided with four or more detection wheels (21), and the four or more detection wheels (21) are arranged on the mounting rack (5) in parallel.

8. The road bed pavement evenness detection apparatus of claim 6, wherein: the two butt-joint rods (958) are connected to form an isosceles triangle structure.