CN114517437A

CN114517437A - Road paver

Info

Publication number: CN114517437A
Application number: CN202210237544.4A
Authority: CN
Inventors: 罗斌峰; 段鹏飞; 张万磊
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-05-20

Abstract

The invention relates to the technical field of pavement construction equipment, and provides a pavement spreader which comprises a vehicle body, a leveling component and a hopper, wherein the leveling component and the hopper are sequentially arranged on the vehicle body along a traveling direction, the hopper is provided with a first discharge hole and a first feed hole, a paving part is positioned at the first discharge hole, the leveling component comprises a leveling scraper, the leveling scraper is arranged on the vehicle body in a lifting manner, a tamping part is arranged on the vehicle body after the first discharge hole and is provided with a plurality of hammering ends, the hammering ends are sequentially arranged on a horizontal plane perpendicular to the traveling direction, the hammering ends are arranged in a lifting manner, the tamping part is positioned behind the leveling scraper, a material supplementing bin is arranged on the vehicle body and is provided with a second feed hole and a second discharge hole, the second discharge hole is positioned behind the tamping part, and a residual material scraper is arranged on the vehicle body in a lifting manner and is positioned behind the material supplementing bin and is used for scraping residual materials to two sides of the vehicle body. Through the technical scheme, the problem that the mixture paved by the paver is different in compactness easily when the road surface is uneven in the related technology is solved.

Description

Road paver

Technical Field

The invention relates to the technical field of pavement construction equipment, in particular to a pavement spreader.

Background

Among the prior art, when paving bituminous mixture or other mixtures to the road surface, strickle off the road surface to appointed altitude back rethread ramming piece with road surface compaction plastic through equipment, but through this kind of mode, when the road surface unevenness has sunken or protruding, fill the back with the mixture, the bottom of mixture can not be on a horizontal plane, it is not good to lead to ramming the piece to tamp the in-process and cause partial position tamping effect, and then the circumstances that closely knit difference appears, the whole ramming in-process in later stage probably leads to the condition emergence of sunken, or the condition that the road surface appears collapsing easily after putting into use, lead to the road surface unevenness.

Disclosure of Invention

The invention provides a road paver, which solves the problem that when the road surface is uneven in the related technology, the mixture paved by the paver is easy to have different compactness.

The technical scheme of the invention is as follows:

the utility model provides a road paver, includes the automobile body, sets gradually along the direction of travel level subassembly and hopper on the automobile body, the hopper has first discharge gate and first feed inlet, and the stone spare is located first discharge gate department, level the subassembly and include

A leveling scraper which is arranged on the vehicle body in a lifting way and is positioned behind the first discharge hole,

The ramming piece is arranged on the vehicle body and provided with a plurality of hammering ends, the hammering ends are sequentially arranged on a horizontal plane perpendicular to the advancing direction, the hammering ends are arranged in a lifting mode, the ramming piece is positioned behind the leveling scraper and used for hammering the paved road surface,

the feeding bin is arranged on the vehicle body and is provided with a second feeding hole and a second discharging hole, the second discharging hole is positioned behind the tamping piece,

and the excess material scraper is arranged on the vehicle body in a lifting manner, is positioned behind the material supplementing bin and is used for scraping excess materials to the two sides of the vehicle body.

As a further technical scheme, the hammering end head is provided with a pressure sensor, and the leveling assembly further comprises

A plurality of first telescopic pieces which are uniformly arranged on the feed bin,

the baffle has a plurality of, sets up respectively in a plurality of the flexible of first extensible member is served, and a plurality of the baffle is followed the setting direction of second discharge gate is evenly arranged, the baffle with the hammering end one-to-one in the direction of travel, one first extensible member is flexible the back, drives to be located its flexible and serves the part the baffle is opened or is closed the second discharge gate.

As a further technical scheme, the ramming piece the material supplementing bin first extensible member with the baffle combination is the filler unit, the filler unit has a plurality of, sets gradually on the automobile body, the clout scraper blade has a plurality of, is located adjacent two between the filler unit.

As a further technical scheme, the leveling component further comprises an excitation component arranged on the vehicle body, the excitation component is located between the leveling scraper and the tamping piece, and the excitation component comprises

A second extensible member provided on the vehicle body,

a bearing plate arranged on the telescopic end of the second telescopic piece,

the excitation plate is arranged on the bearing plate in a sliding manner and is used for abutting against the paved road surface,

one end of the elastic piece is arranged on the bearing plate, the other end of the elastic piece is arranged on the excitation plate, and the elastic piece provides the force for the excitation plate to be far away from the bearing plate,

and the vibration motor is arranged on the vibration exciting plate.

As a further technical scheme, the bearing plate is provided with a plurality of guide holes, and the excitation assembly further comprises

A guide rod, the first end of which is arranged on the excitation plate and the second end of which passes through the guide hole,

And the guide rod penetrates through the guide hole and then is arranged on the second end.

As a further technical scheme, the method also comprises

A third telescopic member arranged on the vehicle body,

and the pressing plate is arranged on the telescopic end of the third telescopic piece and is positioned behind the leveling component.

As a further technical scheme, the method also comprises

A driving box arranged at the tail end of the vehicle body,

and the compression roller is rotatably arranged below the driving box through a rotating shaft and is arranged on the leveled road surface in a rolling manner.

As a further technical proposal, the method also comprises

The side wall board sets up the automobile body both sides have with ground and dodge the clearance, just have a plurality of clout export, a plurality of on the side wall board the clout export corresponds the setting in a plurality of clout scraper blade both sides.

As a further technical scheme, still including setting up a plurality of clout recovery unit of automobile body both sides, clout recovery unit includes

The driving wheel is rotationally arranged on the vehicle body through a motor,

a driven wheel which is rotatably arranged on the vehicle body through a rotating shaft,

the synchronous chain is wound on the driving wheel and the driven wheel, the driving wheel drives the driven wheel to rotate through the synchronous chain,

A plurality of buckets which are uniformly arranged on the synchronous chain and used for recovering the excess materials on the two sides of the excess material scraper blade,

the recycling tank is obliquely arranged on the vehicle body, the bottom end of the recycling tank is communicated with the material supplementing bin, the top end of the recycling tank is located below the driven wheel, and the scraper bucket is used for dumping excess materials into the recycling tank after being turned.

As a further technical scheme, one side of scraper bowl towards the action wheel has the third discharge gate, clout recovery unit still includes

The cover plate is rotatably arranged at the third discharge hole through a pin shaft, and after the bucket is turned, the cover plate opens or closes the third discharge hole.

The working principle and the beneficial effects of the invention are as follows:

the invention discloses a road paver, aiming at solving the problem that when the road surface is uneven in the related art, the mixture paved by the paver is easy to have different compactness, and the road paver is designed, in particular to a road paver which is provided with a hopper on the vehicle body, wherein the hopper can be positioned at the front end of the vehicle body, continuous filling can be carried out in the hopper by a filling vehicle or a transport vehicle, the mixture enters the hopper through a first feed inlet and then is discharged to the road surface through a first discharge outlet, the piled mixture is spread by a paving piece, the paving piece can be a packing auger to realize a spiral conveying process, or can be a push plate to convey the piled material to two ends, the spread mixture is leveled by a leveling scraper, the redundant mixture is pushed to the advancing direction, a tamping piece is arranged behind the first discharge outlet, the tamping piece is provided with a plurality of hammering ends, and the hammering ends can be tamped differently aiming at different positions, can respond to the closely knit degree of mixture through control system, carry out the hammering of different degrees to closely knit degree, realize whole closely knit degree and keep at the regulation scope, avoid appearing the too low condition of local closely knit degree, the road surface after to the hammering is supplemented the filler through the feed supplement storehouse that is located after the ramming piece, fill up the pit, after filling up, through clout scraper blade with unnecessary mixture propelling movement to automobile body both ends, and level the scraper blade, the ramming piece, the clout scraper blade all can adjust the height, carry out the adjustment on the height to different road surfaces, make whole road surface keep leveling, the feed inlet in cloth storehouse can be directly and hopper intercommunication, a sharing material is former, can effectively save space.

Closely knit degree that can make the road surface through this scheme keeps unanimous, has avoided the later stage to ram the in-process through the road roller and need carry out the feed supplement, packs through the later stage and can lead to the road surface wholeness to descend, and life reduces, can promote the road surface quality through this scheme, reduces the maintenance cost in later stage simultaneously.

Drawings

The invention is described in further detail below with reference to the drawings and the detailed description.

FIG. 1 is a schematic view of the structure of the present invention;

FIG. 2 is a schematic bottom isometric view of the present invention;

FIG. 3 is a schematic bottom view of the present invention;

FIG. 4 is a schematic diagram of the internal detail structure of the present invention;

FIG. 5 is a schematic view of the structure of part A of FIG. 4;

FIG. 6 is a schematic diagram of the structure of the inner cover plate and the pin shaft of the bucket;

in the figure: 1. the material feeding device comprises a vehicle body, 2, a leveling component, 3, a hopper, 4, a first discharge port, 5, a first feed port, 6, a leveling scraper, 7, a tamping part, 8, a hammering end, 9, a material supplementing bin, 10, a second feed port, 11, a second discharge port, 12, a residual material scraper, 13, a pressure sensor, 14, a first telescopic part, 15, a baffle plate, 16, a vibration exciting component, 17, a second telescopic part, 18, a bearing plate, 19, a vibration exciting plate, 20, an elastic part, 21, a vibration motor, 22, a guide hole, 23, a guide rod, 24, a clamping part, 25, a third telescopic part, 26, a pressing plate, 27, a driving box, 28, a pressing roller, 29, a side wall plate, 30, a residual material outlet, 31, a residual material recovering component, 32, a driving wheel, 33, a driven wheel, 34, a synchronous chain, 35, a bucket, 36, a recovering groove, 38, a third discharge port, 39, a cover plate, 40 and a pin shaft.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to 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 inventive step, are intended to be within the scope of the present invention.

As shown in FIGS. 1 to 6, the present embodiment proposes

The utility model provides a road paver, includes automobile body 1, sets gradually leveling subassembly 2 and hopper 3 on automobile body 1 along the direction of travel, and hopper 3 has first discharge gate 4 and first feed inlet 5, and the stone spare is located first discharge gate 4 department, levels subassembly 2 and includes

A leveling scraper 6 which is arranged on the vehicle body 1 in a lifting way and is positioned behind the first discharge hole 4,

the ramming piece 7 is arranged on the vehicle body 1 and provided with a plurality of hammering ends 8, the hammering ends 8 are sequentially arranged on a horizontal plane perpendicular to the advancing direction, the hammering ends 8 are arranged in a lifting mode, the ramming piece 7 is positioned behind the leveling scraper 6 and used for hammering the paved road surface,

a material supplementing bin 9 arranged on the vehicle body 1, wherein the material supplementing bin 9 is provided with a second feeding hole 10 and a second discharging hole 11, the second discharging hole 11 is positioned behind the tamping piece 7,

And the excess material scraper 12 is arranged on the vehicle body 1 in a lifting manner, is positioned behind the material supplementing bin 9 and is used for scraping excess materials to two sides of the vehicle body 1.

In the embodiment, in order to solve the problem that when the road surface is uneven in the related art, the mixture paved by the paver is likely to have different compactness, a road paver is designed, specifically, a hopper 3 is arranged on a vehicle body 1, the hopper 3 can be positioned at the front end of the vehicle body 1, continuous filling can be carried out in the hopper 3 through a filling vehicle or a transport vehicle, the mixture enters the hopper 3 through a first feeding port 5 and is discharged onto the road surface through a first discharging port 4, the piled mixture is paved through a paving member, the paving member can be an auger to realize a spiral conveying process, the piled mixture can also be a push plate to convey the piled material to two ends, the paved mixture is leveled through a leveling scraper 6, the redundant mixture is pushed towards the advancing direction, a tamping member 7 is arranged behind the first discharging port 4, the tamping member 7 is provided with a plurality of hammering ends 8, a plurality of hammering ends 8 can carry out different tamps to different positions, can respond to the closely knit degree of mixture through control system, carry out the hammering of different degrees to closely knit degree, realize that whole closely knit degree keeps in the regulation scope, avoid appearing the too low condition of local closely knit degree, the road surface after to the hammering through the feed supplement storehouse 9 that is located after ramming 7 supplements the filler, fill up the depressed part, carry out unnecessary mixture propelling movement to automobile body 1 both ends through clout scraper blade 12 after filling up, and level scraper blade 6, ramming 7, clout scraper blade 12 all can adjust the height, carry out high adjustment to the road surface of difference, make whole road surface keep level and smooth, the feed inlet in cloth storehouse can be directly with hopper 3 intercommunication, a sharing material source, can effectively save space.

Furthermore, hammering head 8 is provided with a pressure sensor 13, and leveling assembly 2 further comprises

A plurality of first telescopic pieces 14 which are uniformly arranged on the feed supplementing bin 9,

baffle 15 has a plurality of, sets up respectively and holds at the flexible of the first extensible member 14 of a plurality of, and a plurality of baffle 15 evenly arranges along the direction that sets up of second discharge gate 11, and baffle 15 and hammering end 8 one-to-one on the direction of travel, and the flexible back of a first extensible member 14 drives baffle 15 that is located its flexible end and opens or close part second discharge gate 11.

In the embodiment, in order to realize accurate material supplement to the concave position, a pressure sensor 13 is arranged on the hammering end 8, a displacement sensor can also be arranged, data is transmitted to a control unit through sensing pressure or displacement, whether the integral compactness is consistent or not is judged, then a baffle 15 is driven to move through controlling a first telescopic piece 14 on the material supplement bin 9, the purpose of opening a second discharge port 11 is realized, the baffle 15 and the first telescopic piece 14 are combined and uniformly distributed at the second discharge port 11, in a normal state, the first telescopic piece 14 controls the baffle 15 to close a second feed port 10, the baffle 15 and the hammering end 8 are correspondingly arranged, the pavement compactness under the hammering end 8 is judged through the control unit, the baffle 15 at the position corresponding to the hammering end 8 is further controlled to be opened, so that the discharge port can accurately fill the concave position, and by the mode, excessive discharge in the material supplement process can be avoided, resulting in useless work and further improving the use efficiency of the equipment.

Furthermore, the tamping part 7, the material supplementing bin 9, the first telescopic part 14 and the baffle 15 are combined into a plurality of filling units which are sequentially arranged on the vehicle body 1, and the excess material scraping plates 12 are arranged between two adjacent filling units.

In this embodiment, in order to further improve the overall compactness of the pavement, the tamping member 7, the material supplementing bin 9, the first telescopic member 14 and the baffle 15 are combined into a filler unit, and the compactness of the pavement can be further kept consistent through multiple detection of the filler units, so that the quality of the pavement is improved.

Further, the leveling assembly 2 also comprises an excitation assembly 16 arranged on the vehicle body 1, the excitation assembly 16 is positioned between the leveling scraper 6 and the tamping member 7, and the excitation assembly 16 comprises

A second telescopic member 17, provided on the vehicle body 1,

a carrier plate 18, provided on the telescopic end of the second telescopic member 17,

the vibration exciting plate 19 is arranged on the bearing plate 18 in a sliding mode and is used for abutting against the paved road surface,

an elastic member 20, one end of which is disposed on the loading plate 18 and the other end of which is disposed on the vibration exciting plate 19, provides a force of the vibration exciting plate 19 away from the loading plate 18,

the vibration motor 21 is provided on the excitation plate 19.

In this embodiment, in order to facilitate the tamping member 7 and tamping, the vibration exciting assembly 16 is arranged between the leveling scraper 6 and the tamping member 7, the distance between the bearing plate 18 and the vibration exciting plate 19 and the road surface is controlled through the second telescopic member 17, the pressure between the vibration exciting plate 19 and the abutted road surface is controlled, and the vibration exciting plate 19 vibrates at high frequency to the road surface through the vibration motor 21, in order to avoid the damage caused by rigid connection, the elastic member 20 is arranged between the bearing plate 18 and the vibration exciting plate 19, the vibration exciting plate 19 is ensured to be flexibly connected with the bearing plate 18 in the vibration process, air in the road surface is discharged through the matching of the vibration motor 21 and the vibration exciting plate 19, and the leveling effect is achieved, so that the tamping member 7 positioned behind the vibration exciting assembly 16 can tamp the road surface more effectively, and the use effect of the equipment is further improved.

Further, the carrier plate 18 has a plurality of guide holes 22, and the excitation assembly 16 further includes

A guide rod 23, a first end of which is arranged on the exciting plate 19, a second end of which passes through the guide hole 22,

a clip member 24 is provided on the second end after the guide bar 23 passes through the guide hole 22.

In this embodiment, in order to prevent the situation that the vibration exciting plate 19 is inclined and deviated in the vibration process, the guide rod 23 is arranged on the vibration exciting plate 19, the guide rod 23 penetrates through the guide hole 22 on the bearing plate 18 to realize the guiding effect on the vibration exciting plate 19, after the guide rod 23 penetrates through the guide hole 22, the clamping piece 24 arranged at the second end can realize the supporting effect on the vibration exciting plate 19, when the vibration exciting plate 19 freely droops, the clamping piece 24 can realize the limiting effect on the vibration exciting plate 19, the damage to the elastic piece 20 caused by the long-term drooping of the vibration exciting plate 19 is avoided, and the stability of the equipment is further improved.

Further, also comprises

A third telescopic member 25, provided on the vehicle body 1,

a pressure plate 26, which is arranged on the telescopic end of the third telescopic member 25, is located behind the levelling assembly 2.

In this embodiment, in order to finish the excessive mixture on the road surface after the whole road surface is leveled, the pressing plate 26 is arranged on the vehicle body 1, and the pressing plate 26 continuously compacts the road surface through the third extensible member 25, so that the excessive mixture is spread out, and the leveling of the road surface is further ensured.

Further, it also includes

A drive box 27 provided at the end of the vehicle body 1,

and the compression roller 28 is rotatably arranged below the driving box 27 through a rotating shaft and is arranged on the leveled road surface in a rolling manner.

In this embodiment, in order to further ensure the flatness of the road surface, the pressing roller 28 is arranged at the tail end of the vehicle body 1, the driving box 27 is arranged above the pressing roller 28, the driving box 27 can integrate the control system and the driving unit, the pressing roller 28 rolls and compacts the road surface again by driving the downward gravity supplied to the pressing roller 28, the quality of the road surface is further improved, a scraping plate can be further arranged on the vehicle body 1, the scraping treatment is carried out on the excess materials adhered to the pressing roller 28 through the scraping plate, and the use efficiency of the equipment and the processing quality of the road surface are further ensured.

Further, also comprises

The side wall plates 29 are arranged on two sides of the vehicle body 1, an avoiding gap is formed between the side wall plates and the ground, a plurality of excess material outlets 30 are formed in the side wall plates 29, and the plurality of excess material outlets 30 are correspondingly arranged on two sides of the plurality of excess material scraping plates 12.

In this embodiment, because the mixture forms the slope at both ends after the paving, make the road surface both ends level and smooth for the holistic road surface of arrangement, and prevent that the road surface along the advancing direction both sides from linking up the in-process of paving and appearing protrudingly, set up side wall plate 29 at automobile body 1 both ends, side wall plate 29 is gapped apart from ground, can prevent with ground road surface direct contact, lead to colliding with, and locate to have set up clout export 30 lieing in clout scraper blade 12 both sides, can make unnecessary clout discharge from both ends, can retrieve unnecessary clout through the manual work.

The excess material scraper 12 can be in an inverted V shape, so that redundant mixture is led out along the V-shaped direction of the excess material tube plate, accumulation on the scraper is avoided, and the efficiency of the excess material scraper 12 is further improved.

Further comprises a plurality of excess material recovery components 31 arranged at the two sides of the vehicle body 1, the excess material recovery components 31 comprise driving wheels 32 which are arranged on the vehicle body 1 through the rotation of a motor,

a driven wheel 33 which is rotatably arranged on the vehicle body 1 through a rotating shaft,

the synchronous chain 34 is wound on the driving wheel 32 and the driven wheel 33, the driving wheel 32 drives the driven wheel 33 to rotate through the synchronous chain 34,

a plurality of buckets 35 which are uniformly arranged on the synchronous chain 34 and used for recovering the excess materials on the two sides of the excess material scraper 12,

and the recovery tank 36 is obliquely arranged on the vehicle body 1, the bottom end of the recovery tank is communicated with the material supplementing bin 9, the top end of the recovery tank is positioned below the driven wheel 33, and the bucket 35 is used for dumping the residual materials into the recovery tank 36 after being turned over.

In this embodiment, in order to avoid using the manual work to retrieve the clout, clout recovery unit 31 has been set up, the clout of automobile body 1 both sides is shoveled up through scraper bowl 35, promote to the height that is higher than feed supplement storehouse 9, empty the clout again to the accumulator 36 that is located from the driving wheel 33 below and pass through clout self gravity, make the clout retrieve to in the feed supplement storehouse 9, also can set up vibrating motor 21 or other vibration structure on accumulator 36, accelerate the clout and get into the speed of feed supplement storehouse 9, can further promote equipment's availability factor through this scheme, reduce artificial intensity of labour.

Further, a third discharge port 38 is formed on a side of the bucket 35 facing the driving wheel 32, and the remainder recycling assembly 31 further comprises

The cover plate 39 is rotatably disposed at the third discharging hole 38 through a pin shaft 40, and after the bucket 35 is turned over, the cover plate 39 opens or closes the third discharging hole 38.

In this embodiment, in order to facilitate the dumping of the excess materials in the bucket 35, the third material outlet 38 is disposed on one side of the bucket 35 facing the driving wheel 32, and after the bucket 35 is turned over, the cover plate 39 can rotate via the pin shaft 40, so that the third material outlet 38 is opened or closed, the excess materials are quickly discharged, and the use efficiency of the equipment is further improved.

The present invention is not limited to the above preferred embodiments, and any modifications, equivalent substitutions, improvements, etc. within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a road paver, its characterized in that, includes automobile body (1), sets gradually along the direction of travel level subassembly (2) and hopper (3) on automobile body (1), hopper (3) have first discharge gate (4) and first feed inlet (5), and the stone component is located first discharge gate (4) department, level subassembly (2) including

A leveling scraper (6) which is arranged on the vehicle body (1) in a lifting way and is positioned behind the first discharge hole (4),

the ramming piece (7) is arranged on the vehicle body (1) and is provided with a plurality of hammering ends (8), the hammering ends (8) are sequentially arranged on a horizontal plane perpendicular to the advancing direction, the hammering ends (8) are arranged in a lifting mode, the ramming piece (7) is located behind the leveling scraper (6) and is used for hammering the paved road surface,

a feeding bin (9) arranged on the vehicle body (1), wherein the feeding bin (9) is provided with a second feeding hole (10) and a second discharging hole (11), the second discharging hole (11) is positioned behind the tamping piece (7),

and the excess material scraper (12) is arranged on the vehicle body (1) in a lifting manner, is positioned behind the material supplementing bin (9) and is used for scraping the excess material to the two sides of the vehicle body (1).

2. The road paver of claim 1, characterized in that the hammer head (8) has a pressure sensor (13) thereon, the levelling assembly (2) further comprising

A plurality of first telescopic pieces (14) which are uniformly arranged on the feed bin (9),

baffle (15), a plurality of has, sets up respectively in a plurality of the flexible of first extensible member (14) is served, and a plurality of baffle (15) are followed the direction that sets up of second discharge gate (11) is evenly arranged, baffle (15) with hammering end (8) one-to-one on the direction of travel, one first extensible member (14) are flexible the back, drive and are located its flexible portion of serving baffle (15) are opened or are closed second discharge gate (11).

3. The road paver of claim 2, characterized in that the ramming member (7), the make-up bin (9), the first telescopic member (14) and the baffle (15) are combined into a filler unit, the filler unit has a plurality of units, which are arranged on the vehicle body (1) in sequence, and the excess material scraper (12) has a plurality of units, which are located between two adjacent filler units.

4. The road paver of claim 1, characterized in that the levelling assembly (2) further comprises a vibration excitation assembly (16) arranged on the body (1), the vibration excitation assembly (16) being located between the levelling screed (6) and the tamper (7), the vibration excitation assembly (16) comprising

A second telescopic element (17) arranged on the vehicle body (1),

a bearing plate (18) arranged on the telescopic end of the second telescopic part (17),

the excitation plate (19) is arranged on the bearing plate (18) in a sliding way and is used for being abutted against the paved road surface,

an elastic member (20) having one end disposed on the bearing plate (18) and the other end disposed on the excitation plate (19) for providing a force of the excitation plate (19) away from the bearing plate (18),

and a vibration motor (21) provided on the excitation plate (19).

5. The road paver of claim 4, characterized in that the carrier plate (18) is provided with a plurality of guide holes (22), and the excitation assembly (16) further comprises

A guide rod (23) with a first end arranged on the excitation plate (19) and a second end penetrating through the guide hole (22),

and the clamping piece (24) is arranged on the second end after the guide rod (23) passes through the guide hole (22).

6. The road paver of claim 1, further comprising

A third telescopic element (25) arranged on the vehicle body (1),

and the pressure plate (26) is arranged on the telescopic end of the third telescopic piece (25) and is positioned behind the leveling component (2).

7. The road paver of claim 1, further comprising

A drive box (27) provided at the end of the vehicle body (1),

and the compression roller (28) is rotatably arranged below the driving box (27) through a rotating shaft and is arranged on the leveled road surface in a rolling manner.

8. The road paver of claim 1, further comprising

Side wall board (29), set up automobile body (1) both sides have with ground and dodge the clearance, just a plurality of clout export (30), a plurality of have on side wall board (29) clout export (30) correspond and set up in a plurality of clout scraper blade (12) both sides.

9. The road paver of claim 1, characterized by further comprising a plurality of surplus material recovery assemblies (31) arranged on both sides of the vehicle body (1), the surplus material recovery assemblies (31) comprising

A driving wheel (32) which is rotationally arranged on the vehicle body (1) through a motor,

a driven wheel (33) which is rotationally arranged on the vehicle body (1) through a rotating shaft,

the synchronous chain (34) is wound on the driving wheel (32) and the driven wheel (33), the driving wheel (32) drives the driven wheel (33) to rotate through the synchronous chain (34),

a plurality of buckets (35) which are uniformly arranged on the synchronous chain (34) and used for recovering the excess materials on the two sides of the excess material scraper (12),

accumulator (36), the slope sets up on automobile body (1), the bottom with supply storehouse (9) intercommunication, the top is located from driving wheel (33) below, scraper bowl (35) upset back is used for empting the clout to accumulator (36) in.

10. The road paver of claim 9, characterized in that the side of the bucket (35) facing the drive wheel (32) has a third discharge opening (38), the surplus recovery assembly (31) further comprising

The cover plate (39) is rotatably arranged at the third discharge hole (38) through a pin shaft (40), and after the bucket (35) is turned over, the cover plate (39) opens or closes the third discharge hole (38).