CN113005860A

CN113005860A - Highway bridge roadbed pavement construction device and construction method thereof

Info

Publication number: CN113005860A
Application number: CN202110241194.4A
Authority: CN
Inventors: 荆从明
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-03-04
Filing date: 2021-03-04
Publication date: 2021-06-22

Abstract

The invention discloses a highway bridge roadbed and pavement construction device and a construction method thereof, wherein the highway bridge roadbed and pavement construction device comprises a frame, four moving wheels which are uniformly distributed are arranged at the bottom of the frame, a trailer mechanism is arranged at the front side of the frame, a dust suction mechanism is arranged at the front side of the frame and below the trailer mechanism, a material collecting box is fixedly arranged in an inner cavity of the frame, the top end of the material collecting box extends to the upper part of the frame, a feeding hole is formed in one side of the material collecting box, and a discharging hole is formed in the bottom of the material collecting box.

Description

Highway bridge roadbed pavement construction device and construction method thereof

Technical Field

The invention relates to the technical field of pavement construction, in particular to a highway bridge roadbed pavement construction device and a construction method thereof.

Background

With the development of the times, more and more road and bridge projects are generated, and with the vigorous development of the transportation industry, the updating and updating of the road and bridge are increasingly accelerated. The road surface is a layered structure which is made up by using various road-building materials or mixed materials and is layered on the road bed for running of automobile. The function of the device is to ensure that the automobile can run on the road all weather, stably, at high speed, comfortably, safely and economically.

The lower layer cleanliness requirement before concrete pavement construction paves to the concrete surface layer is higher, if there is dust or rubbish to seriously influence combining between the road surface structural layer, therefore, dust and rubbish can not have absolutely, when carrying out road surface construction at present, mostly can at first adopt the manual work to clean the road surface, the work load is very big, the cost of labor has been greatly improved, and work efficiency has been reduced, in addition, when laying the concrete, degree of automation is low, need to use more manual work to be under construction, not only inefficiency, still can't guarantee construction quality, and then the user demand who satisfies people that can't be better.

Disclosure of Invention

The invention aims to provide a highway bridge roadbed and pavement construction device and a construction method thereof, which aim to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a highway bridge roadbed and pavement construction device comprises a frame, wherein four moving wheels are uniformly distributed at the bottom of the frame, a trailer mechanism is arranged at the front side of the frame, a dust suction mechanism is arranged at the position, below the trailer mechanism, of the front side of the frame, a material collecting box is fixedly arranged in an inner cavity of the frame, the top end of the material collecting box extends to the position above the frame, a feed inlet is arranged at one side of the material collecting box, a discharge outlet is arranged at the bottom of the material collecting box, an electromagnetic valve is arranged on the discharge outlet, a discharge mechanism is connected to the bottom of the discharge outlet, the bottom of the discharge mechanism extends to the position below the frame, a movable box is vertically and slidably connected between a front moving wheel and a rear moving wheel in an inner cavity of the frame, a floating mechanism and a vibration mechanism are arranged in the movable box, and the vibration mechanism is arranged at the rear side, and a driving mechanism for driving the movable box to move up and down is arranged in the frame, a connecting seat is arranged at the rear side of the frame, a connecting rod is rotatably connected to the connecting seat through a rotating shaft, the other end of the connecting rod is rotatably connected with a compression roller, and the rear side of the compression roller is rotatably connected with the compression roller through the connecting rod.

As a further scheme of the invention: trailer mechanism includes the bearing frame, the bearing frame is fixed in on the lateral wall of frame, rotate through the pivot on the bearing frame and be connected with the sliding seat, rotate through the pivot on the sliding seat and be connected with the connecting rod, the connecting rod is kept away from sliding seat one end and is provided with the drawbar, the drawbar is kept away from connecting rod one side and is rotated through the hinge and be connected with two relative distribution's loose collar, two through bolt and nut fixed connection between the loose collar, rotate through setting up the sliding seat and be connected with the bearing frame, can carry out the tilting to the drawbar, rotate through setting up connecting rod and sliding seat and be connected, can carry out the rotation of horizontal direction to the drawbar to be convenient for carry out the multi-angle to the drawbar and adjust, thereby.

As a still further scheme of the invention: the dust collection mechanism comprises a collection box, a dust collector is arranged on one side of the collection box, a dust collection port is formed in the bottom of the collection box, a gap exists between the bottom of the dust collection port and the ground, impurities such as garbage on the ground can be effectively cleared conveniently through the cooperation between the dust collector and the dust collection port, the phenomenon that the construction influence is caused when the impurities such as the garbage are mixed into concrete during construction can be prevented, meanwhile, the garbage can be effectively prevented from being cleared manually, and the labor cost is greatly reduced.

As a still further scheme of the invention: the length of dust absorption mouth equals with the width of frame, just the import department of dust absorption mouth is the neck structure, just the bore from the bottom up of dust absorption mouth grow gradually.

As a still further scheme of the invention: the utility model discloses a concrete mixer, including (mixing) shaft and stirring leaf, the case top that gathers materials is provided with first motor, first motor axial region is connected with the (mixing) shaft, the (mixing) shaft bottom extends to the case inner chamber that gathers materials, just the (mixing) shaft passes through the bearing and is connected with the case rotation that gathers materials, the (mixing) shaft surface is provided with evenly distributed's stirring leaf, just it is toper structural distribution to gather materials bottom inner wall, through the setting of (mixing) shaft and stirring leaf, is convenient for stir the concrete in the case that gathers materials for the concrete mixing is more even, thereby is.

As a still further scheme of the invention: discharge mechanism is including the material collection mouth, the material collection mouth is the arc and distributes, just the material collection mouth is connected with the exit of the workbin bottom that gathers materials, just the surface of material collection mouth is provided with equidistant evenly distributed's through-hole, every all be provided with branch material pipe in the through-hole, the bottom that divides the material pipe extends to the below of frame, just there is gapped, and a plurality of bottom and the ground that divides the material pipe are connected through the fixed plate between the branch material pipe, through the cooperation between material collection mouth and the branch material pipe for the concrete can be orderly in bank be spread on the road surface, makes concrete laying on the road surface more even, thereby is favorable to strickleing off the concrete.

As a still further scheme of the invention: troweling mechanism includes the chain belt, the chain belt is connected, two through two chain belt hub connections the chain belt axle all rotates with the movable box through the bearing to be connected, the movable box inner chamber is provided with first driving motor, first driving motor axial region and one of them the chain belt hub connection, just the chain belt surface is provided with the troweling board of equidistant distribution, the troweling board includes the flat board, dull and stereotyped upper surface is provided with equidistant distribution's rake nail, through the cooperation between chain belt, chain belt axle and the troweling board for the concrete is scraped more level and more evenly, has improved construction quality greatly.

As a still further scheme of the invention: the vibrating mechanism comprises a vibrating shaft, a vibrating plate is arranged at the bottom of the vibrating shaft, the top end of the vibrating shaft extends to the inner cavity of the movable box, a material collecting port is arranged on the vibrating shaft, an ejector rod is arranged in the middle of the upper surface of the material collecting port, a second driving motor is arranged in the inner cavity of the movable box, a rotating disc is connected to the shaft portion of the second driving motor, arc-shaped notches distributed in a circumferential array are arranged on the lateral side of the rotating disc, spherical blocks are arranged at the top end of the ejector rod, the size of each spherical block is matched with or smaller than that of each arc-shaped notch, return springs are arranged on the upper surface of the material collecting port and positioned on two sides of the ejector rod, the top ends of the return springs are connected with the inner wall of the top end of the movable box, and the vibrating shaft can continuously reciprocate up and down by starting the second driving motor, thereby greatly improving the vibration times of the vibration plate and greatly improving the construction efficiency and quality.

As a still further scheme of the invention: actuating mechanism includes the second motor, second motor axial region is connected with the lead screw, the upper surface middle part of activity case is provided with a screw section of thick bamboo, lead screw and screw section of thick bamboo threaded connection, just the both sides that the activity case upper surface is located a screw section of thick bamboo all are provided with the telescopic link, the top of telescopic link and the top inner wall connection of activity case are convenient for reciprocate the activity case through starting the second motor to be favorable to adjusting the vibrations board and the distance between dull and stereotyped and the ground.

The invention also relates to a construction method of the highway bridge roadbed and pavement construction device, which comprises the following steps: s101: the device is connected to the rear side of a tractor through a trailer mechanism, concrete is put into a material collecting box through a feeding hole, and the device is moved to a position needing construction through the tractor;

s201: starting a first motor to enable a stirring shaft to rotate, so that the stirring blades stir concrete in the material collecting box;

s301: the tractor is started, the tractor drives the device to advance slowly, the dust collector is started simultaneously, the electromagnetic valve, the second motor, the first driving motor and the second driving motor are started, sundries such as garbage on the road surface are sucked and collected into the collecting box through the dust suction port, concrete in the collecting box falls on the ground through the distributing pipes simultaneously, the movable box moves downwards, the bottom of the rake nail and the vibrating plate is in surface contact with the concrete, the chain belt drives the troweling plate to move under the starting of the first driving mechanism, the concrete is scraped evenly, the concrete is vibrated through the vibrating plate, the device moves in the process, two compression rollers on the rear side of the frame compact the concrete, and the construction of the road bed is completed.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention has high automation degree, greatly reduces the labor intensity of workers, saves the labor cost, improves the laying speed and efficiency, and is convenient to enable the concrete to achieve better laying effect, thereby ensuring the quality of pavement construction and further being convenient to better meet the use requirements of people.

2. Through the cooperation between dust catcher and the dust absorption mouth, be convenient for carry out effectual clarity with impurity such as the rubbish on ground, can prevent when the construction impurity such as rubbish from leading to the fact the phenomenon of construction influence to take place in mixing into the concrete, can effectively avoid simultaneously clearing rubbish through the manual work, greatly reduced the cost of labor.

3. Through the cooperation between collection material mouth and the branch material pipe, make the concrete can be orderly in bank spread on the road surface, make concrete laying on the road surface more even, thereby be favorable to strickling the concrete, through the chain belt, the cooperation between chain belt axle and the trowelling plate, make the concrete by the more level and smooth even of scraping, construction quality has been improved greatly, through starting second driving motor, under the cooperation between arc breach and ejector pin and reset spring, make the continuous upper and lower reciprocating motion of vibrations axle, thereby the vibrations number of times of vibrations board has been improved greatly, thereby efficiency of construction and quality have been improved greatly.

Drawings

Fig. 1 is a schematic structural view of a highway bridge roadbed and pavement construction device.

Fig. 2 is a schematic structural diagram of the interior of a frame in the road bridge roadbed and pavement construction device.

Fig. 3 is a schematic structural diagram of a discharging mechanism in the highway bridge roadbed and pavement construction device.

Fig. 4 is a schematic structural diagram of a floating mechanism in a highway bridge subgrade and pavement construction device.

Fig. 5 is a schematic structural diagram of a trailer mechanism in the highway bridge roadbed and pavement construction device.

Fig. 6 is a partially enlarged view of a device for constructing a roadbed and a pavement of a highway bridge.

In the figure: 1. a frame; 2. a moving wheel; 3. a trailer mechanism; 4. a collection box; 5. a dust collector; 6. a dust suction port; 7. a material collecting box; 8. a first motor; 9. a feed inlet; 10. a movable box; 11. a troweling mechanism; 12. a vibration mechanism; 13. a connecting seat; 14. a connecting rod; 15. a compression roller; 16. a discharging mechanism; 17. a stirring shaft; 18. stirring blades; 19. a second motor; 20. a screw rod; 21. a threaded barrel; 22. a telescopic rod; 23. a chain belt; 24. a chain belt shaft; 25. smearing the plate; 26. a vibration plate; 27. a vibration shaft; 28. a material collecting port; 29. distributing pipes; 30. a fixing plate; 31. a flat plate; 32. raking nails; 33. a bearing seat; 34. a movable seat; 35. a connecting rod; 36. a tow bar; 37. a movable ring; 38. a connecting plate; 39. rotating the disc; 40. an arc-shaped notch; 41. a return spring; 42. and a push rod.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 6, in an embodiment of the present invention, a road bridge roadbed and pavement construction apparatus includes a frame 1, four moving wheels 2 uniformly distributed are disposed at a bottom of the frame 1, a trailer mechanism 3 is disposed at a front side of the frame 1, a dust collection mechanism is disposed at a front side of the frame 1 below the trailer mechanism 3, a material collection box 7 is fixedly mounted in an inner cavity of the frame 1, a top end of the material collection box 7 extends above the frame 1, a feed inlet 9 is disposed at one side of the material collection box 7, a discharge outlet is disposed at a bottom of the material collection box 7, an electromagnetic valve is disposed on the discharge outlet, a discharge mechanism 16 is connected to a bottom of the discharge outlet, a bottom of the discharge mechanism 16 extends below the frame 1, a movable box 10 is vertically slidably connected between the front moving wheel 2 and the rear moving wheel 2 in the inner cavity of the frame 1, be provided with floating mechanism 11 and vibrations mechanism 12 in the movable box 10, just vibrations mechanism 12 is located floating mechanism 11's rear side, just be provided with the actuating mechanism who is used for driving movable box 10 to reciprocate in the frame 1, the rear side of frame 1 is provided with connecting seat 13, it is connected with connecting rod 14 to rotate through the pivot on the connecting seat 13, the connecting rod 14 other end rotates and is connected with compression roller 15, the compression roller 15 rear side rotates through connecting rod 14 and is connected with compression roller 15.

Trailer mechanism 3 includes bearing frame 33, bearing frame 33 is fixed in on the lateral wall of frame 1, rotate through the pivot on the bearing frame 33 and be connected with sliding seat 34, rotate through the pivot on the sliding seat 34 and be connected with connecting rod 35, connecting rod 35 is kept away from sliding seat 34 one end and is provided with tow bar 36, tow bar 36 keeps away from connecting rod 35 one side and rotates through the hinge and be connected with two relative distribution's loose collar 37, two through bolt and nut fixed connection between the loose collar 37.

Rotate through setting up movable seat 34 and bearing frame 33 and be connected, can carry out the tilting to the tow bar 36, rotate through setting up connecting rod 35 and movable seat 34 and be connected, can carry out the rotation of horizontal direction to the tow bar 36 to be convenient for carry out the multi-angle to the tow bar 36 and adjust, thereby be favorable to the drawing to frame 1.

The dust collection mechanism comprises a collection box 4, a dust collector 5 is arranged on one side of the collection box 4, a dust collection port 6 is arranged at the bottom of the collection box 4, and a gap is reserved between the bottom of the dust collection port 6 and the ground.

Through the cooperation between dust catcher 5 and the dust absorption mouth 6, be convenient for carry out effectual clarity with impurity such as rubbish on ground, can prevent when the construction impurity such as rubbish from leading to the fact the phenomenon of construction influence to take place in mixing into the concrete, can effectively avoid simultaneously clearing rubbish through the manual work, greatly reduced the cost of labor.

The length of dust absorption mouth 6 equals with the width of frame 1, just the import department of dust absorption mouth 6 is the neck-shaped structure, just the bore from the bottom up of dust absorption mouth 6 enlarges gradually.

The 7 tops of case that gathers materials are provided with

first motor

8, 8 axial connections of first motor have (mixing) shaft 17, the (mixing) shaft 17 bottom extends to 7 inner chambers of case that gather materials, just (mixing) shaft 17 passes through the bearing and gathers materials case 7 and rotate the connection, the (mixing) shaft 17 surface is provided with evenly distributed's stirring leaf 18, just 7 bottom inner walls of case that gathers materials are the toper structure and distributes.

Through the setting of (mixing) shaft 17 and stirring leaf 18, be convenient for stir the concrete in the case 7 that gathers materials for the concrete mixing is more even, thereby is favorable to the construction of laying on road surface more.

Discharge mechanism 16 includes the material collecting port 28, the material collecting port 28 is the arc and distributes, just the material collecting port 28 is connected with the exit of the workbin 7 bottom that gathers materials, just the surface of material collecting port 28 is provided with equidistant evenly distributed's through-hole, every all be provided with branch material pipe 29 in the through-hole, the bottom of branch material pipe 29 extends to the below of frame 1, just there is the clearance in the bottom of branch material pipe 29 and ground, and a plurality of connect through fixed plate 30 between the branch material pipe 29.

Through the cooperation between collection mouth 28 and the branch material pipe 29 for the concrete can be in order laid on the road surface in rows, make concrete laying on the road surface more even, thereby be favorable to strickleing off the concrete.

The floating mechanism 11 includes a chain belt 23, the chain belt 23 is connected through two chain belt shafts 24, two the chain belt shafts 24 all rotate with the movable box 10 through the bearing and are connected, the movable box 10 inner chamber is provided with a drive motor, a drive motor axial region and one of them the chain belt shafts 24 are connected, just the chain belt 23 surface is provided with the floating plate 25 of equidistant distribution, the floating plate 25 includes flat board 31, flat board 31 upper surface is provided with equidistant distribution's rake nail 32.

Through the cooperation between the chain belt 23, the chain belt shaft 24 and the trowelling plate 25, the concrete is scraped more smoothly and uniformly, and the construction quality is greatly improved.

Vibrations mechanism 12 includes vibrations axle 27, vibrations axle 27 bottom is provided with vibrating plate 26, the top of vibrations axle 27 extends to movable box 10 inner chamber and is provided with material collection mouth 28 to that, material collection mouth 28 upper surface middle part is provided with ejector pin 42, movable box 10 inner chamber is provided with second driving motor, second driving motor axial region is connected with rolling disc 39, rolling disc 39 avris is provided with the arc breach 40 that is circumference array distribution, just the top of ejector pin 42 is provided with the spherical piece, just the size of spherical piece is identical with the size of arc breach 40, or is less than the size of arc breach 40, the upper surface that the material collection mouth 28 is located the both sides of ejector pin 42 all is provided with reset spring 41, reset spring 41's the top and the top inner wall connection of movable box 10.

By starting the second driving motor, the vibration shaft 27 continuously reciprocates up and down under the cooperation of the arc-shaped notch 40, the ejector rod 42 and the return spring 41, so that the vibration frequency of the vibration plate 26 is greatly improved, and the construction efficiency and quality are greatly improved.

Actuating mechanism includes

second motor

19, 19 axial connections of second motor have lead screw 20, the upper surface middle part of movable box 10 is provided with a screw section of thick bamboo 21, lead screw 20 and a screw section of thick bamboo 21 threaded connection, just the both sides that the upper surface of movable box 10 is located a screw section of thick bamboo 21 all are provided with telescopic link 22, the top of telescopic link 22 and the top inner wall connection of movable box 10.

By activating the second motor 19, the movable box 10 is moved up and down conveniently, thereby facilitating adjustment of the distance between the vibration plate 26 and the troweling plate 25 and the ground.

The invention also relates to a construction method of the highway bridge roadbed and pavement construction device, which comprises the following steps: s101: the device is connected to the rear side of a tractor through a trailer mechanism 3, concrete is put into a material collecting box 7 through a feeding hole 9, and the device is moved to a position needing construction through the tractor;

s201: starting the first motor 8 to enable the stirring shaft 17 to rotate, so that the stirring blades 18 stir the concrete in the material collecting box 7;

s301: the tractor is started to drive the device to advance slowly, and simultaneously the dust collector 5, the electromagnetic valve, the second motor 19, the first driving motor and the second driving motor are started, so that the dust absorption opening 6 absorbs and collects the sundries such as the garbage on the road surface into the collection box 4, at the same time, the concrete in the collection box 7 falls on the ground through the distributing pipes 29, and by the activation of the second motor 19, the movable box 10 is moved down, so that the bottom of the raker nails 32 and the vibration plate 26 are brought into contact with the upper surface of the concrete, under the starting of the first driving mechanism, the chain belt 23 drives the troweling plate 25 to move, so as to evenly scrape the concrete, the concrete is vibrated by the vibration plate 26, meanwhile, in the moving process of the device, two compression rollers 15 positioned at the rear side of the vehicle frame 1 compact the concrete, thereby completing the construction of the roadbed and the road surface.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a public road bridge roof beam road bed road surface construction equipment, includes frame (1), its characterized in that, frame (1) bottom is provided with four evenly distributed's removal wheel (2), the front side of frame (1) is provided with trailer mechanism (3), just the front side of frame (1) is located the below of trailer mechanism (3) and is provided with dust absorption mechanism, the inner chamber fixed mounting of frame (1) has collection workbin (7), the top of collection workbin (7) extends to the top of frame (1), just one side of collection workbin (7) is provided with feed inlet (9), the bottom of collection workbin (7) is provided with the discharge gate, be provided with the solenoid valve on the discharge gate, just the discharge gate bottom is connected with discharge mechanism (16), the bottom of discharge mechanism (16) extends to the below of frame (1), frame (1) inner chamber is located and is located the upper and lower sliding connection of department and has the activity between front side removal driving wheel (2) and the rear side removal driving wheel (2) Move case (10), be provided with floating mechanism (11) and vibrations mechanism (12) in activity case (10), just vibrations mechanism (12) are located the rear side of floating mechanism (11), just be provided with the actuating mechanism who is used for driving activity case (10) to reciprocate in frame (1), the rear side of frame (1) is provided with connecting seat (13), rotate through the pivot on connecting seat (13) and be connected with connecting rod (14), connecting rod (14) other end rotates and is connected with compression roller (15), compression roller (15) rear side rotates through connecting rod (14) and is connected with compression roller (15).

2. The construction device for the roadbed and the road surface of the highway bridge as claimed in claim 1, wherein the trailer mechanism (3) comprises a bearing seat (33), the bearing seat (33) is fixed on the side wall of the frame (1), a movable seat (34) is rotatably connected on the bearing seat (33) through a rotating shaft, a connecting rod (35) is rotatably connected on the movable seat (34) through a rotating shaft, a towing rod (36) is arranged at one end, far away from the movable seat (34), of the connecting rod (35), one side, far away from the connecting rod (35), of the towing rod (36) is rotatably connected with two movable rings (37) which are distributed oppositely through hinges, and the two movable rings (37) are fixedly connected through bolts and nuts.

3. The construction device for the road, the bridge, the roadbed and the road surface of the highway according to claim 1, wherein the dust suction mechanism comprises a collection box (4), a dust suction machine (5) is arranged on one side of the collection box (4), a dust suction port (6) is arranged at the bottom of the collection box (4), and a gap is formed between the bottom of the dust suction port (6) and the ground.

4. The construction device for the road bridge subgrade and pavement according to the claim 3 is characterized in that the length of the dust suction opening (6) is equal to the width of the vehicle frame (1), the inlet of the dust suction opening (6) is in a neck-shaped structure, and the caliber of the dust suction opening (6) is gradually increased from bottom to top.

5. The construction device for the highway bridge subgrade and pavement according to claim 1, characterized in that a first motor (8) is arranged at the top end of the material collecting box (7), a stirring shaft (17) is connected to the shaft portion of the first motor (8), the bottom of the stirring shaft (17) extends to the inner cavity of the material collecting box (7), the stirring shaft (17) is rotatably connected with the material collecting box (7) through a bearing, stirring blades (18) are uniformly distributed on the surface of the stirring shaft (17), and the inner wall of the bottom of the material collecting box (7) is distributed in a conical structure.

6. The construction device for the highway bridge subgrade and pavement according to claim 1 is characterized in that the discharging mechanism (16) comprises material collecting ports (28), the material collecting ports (28) are distributed in an arc shape, the material collecting ports (28) are connected with outlets at the bottoms of the material collecting boxes (7), through holes are formed in the surfaces of the material collecting ports (28) and are evenly distributed at equal intervals, material distributing pipes (29) are arranged in the through holes, the bottoms of the material distributing pipes (29) extend to the lower portion of the frame (1), gaps exist between the bottoms of the material distributing pipes (29) and the ground, and the material distributing pipes (29) are connected through fixing plates (30).

7. A road bridge roadbed and pavement construction device according to claim 1, wherein the troweling mechanism (11) comprises a chain belt (23), the chain belt (23) is connected by two chain belt shafts (24), both of the chain belt shafts (24) are rotatably connected with the movable box (10) through bearings, a first driving motor is arranged in the inner cavity of the movable box (10), the shaft part of the first driving motor is connected with one of the chain belt shafts (24), the surface of the chain belt (23) is provided with troweling plates (25) distributed at equal intervals, the troweling plates (25) comprise flat plates (31), and the upper surfaces of the flat plates (31) are provided with rakes (32) distributed at equal intervals.

8. The highway bridge roadbed and pavement construction device according to claim 1, wherein the vibration mechanism (12) comprises a vibration shaft (27), a vibration plate (26) is arranged at the bottom of the vibration shaft (27), the top end of the vibration shaft (27) extends to an inner cavity of the movable box (10) and is provided with a material collecting port (28), an ejector rod (42) is arranged in the middle of the upper surface of the material collecting port (28), a second driving motor is arranged in the inner cavity of the movable box (10), the shaft part of the second driving motor is connected with a rotating disc (39), arc-shaped notches (40) distributed in a circumferential array are arranged on the lateral side of the rotating disc (39), a spherical block is arranged at the top end of the ejector rod (42), the size of the spherical block is matched with that of the arc-shaped notch (40) or smaller than that of the arc-shaped notch (40), return springs (41) are arranged on two sides of the ejector rod (42) on the upper surface of the material collecting port (28), the top end of the return spring (41) is connected with the inner wall of the top end of the movable box (10).

9. The construction device for the road bridge subgrade and pavement according to claim 1, characterized in that the driving mechanism comprises a second motor (19), a screw rod (20) is connected to the shaft of the second motor (19), a threaded cylinder (21) is arranged in the middle of the upper surface of the movable box (10), the screw rod (20) is in threaded connection with the threaded cylinder (21), telescopic rods (22) are arranged on the two sides of the upper surface of the movable box (10) located on the threaded cylinder (21), and the top ends of the telescopic rods (22) are connected with the inner wall of the top end of the movable box (10).

10. The construction method of the road bridge subgrade and pavement construction device according to the claim 1, which is characterized by comprising the following steps:

s101: the device is connected to the rear side of a tractor through a trailer mechanism (3), concrete is put into a material collecting box (7) through a feeding hole (9), and the device is moved to a position needing construction through the tractor;

s201: starting the first motor (8) to enable the stirring shaft (17) to rotate, so that the stirring blades (18) stir the concrete in the material collecting box (7);

s301: the tractor is started to drive the device to advance slowly, the dust collector (5), the electromagnetic valve, the second motor (19), the first driving motor and the second driving motor are started simultaneously, so that sundries such as garbage on the road surface are sucked and collected into the collection box (4) through the dust suction port (6), concrete in the collection box (7) falls on the ground through the distribution pipes (29), the movable box (10) moves downwards through the starting of the second motor (19), so that the bottoms of the brakes (31) and the vibration plate (26) are in contact with the upper surface of the concrete, the chain belt (23) drives the troweling plate (25) to move under the starting of the first driving mechanism, so that the concrete is scraped evenly and vibrated through the vibration plate (26), and meanwhile, in the moving process of the device, two compression rollers (15) located on the rear side of the frame (1) compact the concrete, thereby completing the construction of the roadbed and the pavement.