CN114086448A

CN114086448A - Paver for pavement construction

Info

Publication number: CN114086448A
Application number: CN202111486992.XA
Authority: CN
Inventors: 冯瑞; 吴鸿飞; 王玲玲; 邵敏; 张红春; 周瑞霞; 闫广聚; 鹿宁; 李鹏; 张亚宁
Original assignee: Hebei Guangtai Road And Bridge Engineering Group Co ltd
Current assignee: Hebei Guangtai Road And Bridge Engineering Group Co ltd
Priority date: 2021-12-07
Filing date: 2021-12-07
Publication date: 2022-02-25
Anticipated expiration: 2041-12-07
Also published as: CN114086448B

Abstract

The invention relates to the technical field of pavement paving equipment, and provides a paver for pavement construction, which comprises a support frame, wherein a material box, a leveling mechanism and a rolling mechanism are arranged on the support frame, the leveling mechanism comprises a rotating shaft, a conveying belt and scraping plates, a plurality of rotating shafts are arranged on the support frame in a rotating manner by virtue of external power; the conveying belt is sleeved on all the rotating shafts and used for conveying materials; a plurality of scraping plates are arranged on the conveying belt at intervals; the scraper plates are sequentially arranged on the conveyer belt from large to small in operation depth size, materials are sequentially scraped by the aid of the rotating scraper plates of the conveyer belt, and layered paving of the materials is achieved; through above-mentioned technical scheme, it is often to have solved bituminous paving among the correlation technique and laid, and the material is once only put in and is piled up and can lead to the material layer to appear hollow phenomenon when laying, even roll extrusion is repeated still can cause the problem that the road surface is caved in to appear.

Description

Paver for pavement construction

Technical Field

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

Background

In carrying out the road construction in-process, we need use a lot of mechanical auxiliary equipment, at first carry out the road bed construction, road bed construction finishes the back and lays materials such as pitch or concrete at the road bed surface, carry out the laying of road surface, it solidifies to stand after general concrete laying, still carry out humidity maintenance simultaneously, avoid solidifying the dry crack of taking place among the shaping process, when using pitch to lay, generally use paving equipment to go on, the in-process is one-time laying shaping, static cementation shaping, the bituminous paving after laying still need roll extrusion repeatedly and carries out the compaction, avoid the low formation pit that appears the ghost falls in pitch density, the long effect is poor when in-process is used, can't guarantee the level and smooth uniformity of the bituminous paving of laying, consequently, need improve the promotion to current technique.

Disclosure of Invention

The invention provides a paver for pavement construction, which solves the problems that when an asphalt pavement is paved in the related technology, a material layer is hollow when materials are put and stacked at one time for paving, and the pavement is sunk due to repeated rolling.

The technical scheme of the invention is as follows:

a paver for pavement construction comprises a support frame, wherein the support frame is provided with a material box, a leveling mechanism and a rolling mechanism, the material box is used for throwing materials and scraping the materials by means of the leveling mechanism, the rolling mechanism is used for compacting the materials after scraping, the leveling mechanism comprises,

a plurality of rotating shafts are rotatably arranged on the supporting frame by means of external power;

the conveying belt is sleeved on all the rotating shafts and is used for conveying the materials;

a plurality of scraping plates are arranged on the conveying belt at intervals;

the scraper blade operation depth size sets gradually from big to small on the conveyer belt, with the help of the rotation of conveyer belt the scraper blade is right in proper order the material is strickleed off, realizes the layering of material is laid.

As a further technical scheme, the rolling mechanism comprises a feed assembly, the feed assembly is used for feeding fine materials, the feed assembly comprises,

the material supplementing hopper is arranged on the support frame and is used for containing the fine materials;

a plurality of blocking pieces are arranged on the conveying belt, and the blocking pieces and the scraper plates are arranged at intervals in a staggered manner;

the auxiliary material receiving part is obliquely arranged on the blocking part by virtue of a connecting rod, a first gap is formed between the auxiliary material receiving part and the blocking part, and the auxiliary material receiving part and the scraper plate are respectively positioned on two sides of the blocking part;

connect the material auxiliary with first space has between the scraper blade, what the benefit hopper was put in the fine material passes through in proper order first clearance first space is put in by the scraper blade is made level the back on the material.

As a further technical scheme, a second space is arranged between the blocking piece and the scraper, the second space is used for receiving the materials thrown in the material box, the leveling mechanism also comprises,

the number of the turnover pieces is a plurality, and the turnover pieces are rotatably arranged on the scraper plate;

the conveying belt and the rolling mechanism are respectively positioned on two sides of the arc-shaped sliding chute;

wherein the turnover member contacts or separates from the inner wall of the arc-shaped chute during the synchronous movement following the conveyor belt.

As a further technical scheme, the end part of the scraper is provided with a turnover cavity, the turnover part is rotatably arranged in the turnover cavity, the scraper is arranged in the conveying belt and drives the turnover part to turn over, the turnover part is provided with a limiting part, and the turnover part drives the limiting part to be close to and away from the side edge of the scraper.

As a further technical scheme, the material supplementing assembly further comprises a discharging auxiliary part, the discharging auxiliary part is obliquely arranged on the conveying belt, a second gap is formed between the discharging auxiliary part and the material receiving auxiliary part, and fine materials are thrown onto the materials leveled by the scraper through the second gap.

As a further technical scheme, the roadbed leveling device further comprises an ejector, wherein the ejector is arranged on the support frame and located on one side of the leveling mechanism, and the ejector is used for ejecting accumulated materials on a roadbed to two sides.

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

the invention provides a paver for pavement construction, which comprises a support frame, wherein the support frame is provided with a material box, a leveling mechanism and a rolling mechanism, the material box is used for throwing materials and scraping the materials by the aid of the leveling mechanism, the rolling mechanism is used for compacting the materials after scraping, the leveling mechanism comprises a rotating shaft, a conveying belt and scraping plates, the rotating shafts are provided with a plurality of numbers, and the rotating shafts are all rotatably arranged on the support frame by means of external power; the conveying belt is sleeved on all the rotating shafts and used for conveying materials; a plurality of scraping plates are arranged on the conveying belt at intervals; the scraper plate operation depth size is sequentially arranged on the conveying belt from large to small, materials are sequentially scraped by means of the rotating scraper plate of the conveying belt, and layered laying of the materials is achieved. When the material scraping machine works, the paver starts to the roadbed, the moving wheels of the paver are positioned on two sides of the roadbed, a built-in driving mechanism of the paver is started by means of external power, a power source drives a rotating shaft on a supporting frame to rotate, the rotating shaft drives a conveying belt to rotate, a material box is positioned above the conveying belt and can synchronously start to put in materials, the materials move to the upper surface of the roadbed along with the rotation of the conveying belt, a scraper and the conveying belt synchronously move, the scraper scrapes and levels the materials on the surface of the roadbed to form layers and lays the materials on the roadbed, the number of the scrapers is a plurality of, preferably four, the scrapers are respectively a number one, a number two, a number three, a number four, and four scrapers are arranged on the conveying belt at intervals, the four scrapers intermittently accept the materials along with the movement of the conveying belt, and when the materials between the number four and the number one fall onto the roadbed, the materials on the roadbed are leveled along with the movement of the conveying belt, a first layer of pavement appears on the roadbed; then the conveyer belt continues to move, materials between the first layer of pavement and the second layer of pavement can fall onto the first layer of pavement, at the moment, the second layer of pavement can scrape and level the materials on the first layer of pavement, and a second layer of pavement is formed by being close to the first layer of pavement; then the conveyer belt continues to move, materials between the second layer of pavement and the third layer of pavement fall onto the second layer of pavement, the third layer of pavement scrapes and levels the materials on the second layer of pavement, and a third layer of pavement is formed by being close to the second layer of pavement; then the conveyer belt continues to move, materials between the third layer and the fourth layer drop onto the third layer of pavement, the fourth layer of pavement scrapes and levels the materials on the third layer of pavement, and the fourth layer of pavement is formed by being close to the third layer of pavement; four layers of road surface that form after transportation area operation a week is final road surface, then through rolling mechanism roll extrusion road surface shaping, lay through carrying out the layering with the road surface, cavity phenomenon appears between the material layer when can effectually avoiding the road surface one-time to lay the shaping, avoid the later stage road surface to appear the ghost pit phenomenon, even can get rid of the compaction with the cavity on material layer after rolling repeatedly, the road surface also can be because the cavity on material layer leads to the road surface of this department not to be full to form the fluctuation road, the fluctuation road can lead to the fact obvious sense of jolting for the vehicle of process, influence the normal driving of vehicle.

Drawings

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

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

FIG. 2 is a schematic view of the overall internal front view structure of the present invention;

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

FIG. 4 is a schematic view of the conveyor belt and flight configuration of the present invention;

FIG. 5 is a schematic view of the flip member of the present invention;

in the figure: 1. the automatic feeding device comprises a supporting frame, 2, a material box, 3, a rolling mechanism, 4, a rotating shaft, 5, a conveying belt, 6, a scraping plate, 7, a material supplementing hopper, 8, a blocking piece, 9, a material receiving auxiliary piece, 10, a turning piece, 11, an arc-shaped sliding groove, 12, a turning concave cavity, 13, a limiting part, 14, a discharging auxiliary piece, 15 and a pushing piece.

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 fig. 1 to 5, the present embodiment proposes

A paver for pavement construction comprises a support frame 1, wherein a material box 2, a leveling mechanism and a rolling mechanism 3 are arranged on the support frame 1, the material box 2 is used for throwing materials and scraping the materials by the aid of the leveling mechanism, the rolling mechanism 3 is used for compacting the materials after being scraped, the leveling mechanism comprises,

the rotating shafts 4 are arranged on the support frame 1 in a rotating manner by virtue of external power;

the conveying belt 5 is sleeved on all the rotating shafts 4, and the conveying belt 5 is used for conveying materials;

a plurality of scraping plates 6 are arranged on the conveyer belt 5 at intervals;

wherein the operation depth size of the scraper 6 is sequentially arranged on the conveyer belt 5 from large to small, and materials are sequentially scraped by the aid of the rotary scraper 6 of the conveyer belt 5, so that layered laying of the materials is realized.

In the embodiment, as shown in fig. 1 to 4, the scheme provides a paver for pavement construction, which includes a support frame 1, wherein a material box 2, a leveling mechanism and a rolling mechanism 3 are arranged on the support frame 1, the material box 2 is used for throwing materials and scraping the materials by means of the leveling mechanism, the rolling mechanism 3 is used for compacting the materials after scraping, the leveling mechanism includes a rotating shaft 4, a conveying belt 5 and a scraping plate 6, a plurality of rotating shafts 4 are rotatably arranged on the support frame 1 by means of external power; the conveyer belt 5 is sleeved on all the rotating shafts 4, and the conveyer belt 5 is used for conveying materials; a plurality of scraping plates 6 are arranged on the conveyer belt 5 at intervals; wherein the operation depth size of the scraper 6 is sequentially arranged on the conveyer belt 5 from large to small, and materials are sequentially scraped by the aid of the rotary scraper 6 of the conveyer belt 5, so that layered laying of the materials is realized. When the material spreading machine works, the spreading machine starts to the roadbed, the moving wheels of the spreading machine are positioned at two sides of the roadbed, a built-in driving mechanism of the spreading machine is started by means of external power, a power source drives the rotating shaft 4 on the supporting frame 1 to rotate, the rotating shaft 4 rotates to drive the conveying belt 5 to rotate, the material box 2 is positioned above the conveying belt 5 to synchronously start to put in materials, the materials move to the upper surface of the roadbed along with the rotation of the conveying belt 5, the scraping plates 6 and the conveying belt 5 synchronously move, the scraping plates 6 scrape and level the materials on the surface of the roadbed to enable the materials to be paved on the roadbed in a layered mode, the number of the scraping plates 6 is a plurality of, preferably four, namely, the number one, the number two, the number three, the number four of the scraping plates 6 are arranged on the conveying belt 5 at intervals, the materials can be intermittently received between the four scraping plates 6 along with the movement of the conveying belt 5, and when the materials between the number four and the number one fall on the roadbed, the materials on the roadbed are scraped and leveled along with the movement I of the conveyer belt 5, and a first layer of pavement appears on the roadbed; then the conveyer belt 5 continues to move, materials between the first layer and the second layer can fall onto the first layer of pavement, at the moment, the second layer can scrape and level the materials on the first layer of pavement, and a second layer of pavement is formed by being close to the first layer of pavement; then the conveyer belt 5 continues to move, materials between the second layer of pavement and the third layer of pavement fall onto the second layer of pavement, the third layer of pavement scrapes and levels the materials on the second layer of pavement, and a third layer of pavement is formed by being close to the second layer of pavement; then the conveyer belt 5 continues to move, materials between the third layer and the fourth layer drop onto the third layer of pavement, the fourth layer scrapes and levels the materials on the third layer of pavement, and the fourth layer of pavement is formed by being close to the third layer of pavement; four layers of road surface that 5 operation one week of back in transport area formed is final road surface, then through 3 roll extrusion road surface shaping of rolling mechanism, lay through carrying out the layering with the road surface, cavity phenomenon appears between the material layer when can effectually avoiding the road surface one-time laying shaping, avoid the later stage road surface to appear the virtual crater phenomenon, even can get rid of the compaction with the cavity on material layer after rolling repeatedly, the road surface also can be because the cavity on material layer leads to the road surface of this department not to be full to form the way of undulation, the way of undulation can lead to the fact obvious sense of jolting for the vehicle of process, influence the normal driving of vehicle.

Further, the rolling mechanism 3 comprises a feeding assembly for feeding fine materials, the feeding assembly comprises,

the material supplementing hopper 7 is arranged on the support frame 1 and used for containing fine materials;

a plurality of stoppers 8 are arranged on the conveyor belt 5, and the stoppers 8 and the scrapers 6 are arranged at intervals;

the material receiving auxiliary 9 is obliquely arranged on the blocking piece 8 through a connecting rod, a first gap is formed between the material receiving auxiliary 9 and the blocking piece 8, and the material receiving auxiliary 9 and the scraper 6 are respectively positioned on two sides of the blocking piece 8;

wherein a first space is arranged between the auxiliary receiving part 9 and the scraper 6, and fine materials put in the feeding hopper 7 sequentially pass through the first gap and the first space and are put in materials leveled by the scraper 6.

In the embodiment, as shown in fig. 1 to 4, the rolling mechanism 3 includes a feeding assembly for feeding fine materials, the feeding assembly includes a feeding hopper 7, a stopper 8 and a receiving auxiliary 9, the feeding hopper 7 is disposed on the support frame 1 for holding fine materials; a plurality of stoppers 8 are arranged on the conveyor belt 5, and the stoppers 8 and the scrapers 6 are arranged at intervals; the auxiliary material receiving part 9 is obliquely arranged on the blocking part 8 through a connecting rod, a first gap is formed between the auxiliary material receiving part 9 and the blocking part 8, and the auxiliary material receiving part 9 and the scraper 6 are respectively positioned at two sides of the blocking part 8; wherein a first space is arranged between the auxiliary receiving part 9 and the scraper 6, and fine materials put in the feeding hopper 7 sequentially pass through the first gap and the first space and are put in materials leveled by the scraper 6. The materials generally adopt asphalt or concrete, when pavement paving is carried out, the size and texture of the materials can be different, the materials which are generally directly paved are coarse materials, namely, large aggregates exist in the materials, gaps among the large materials are not easy to fill, for example, the materials on dry rock foundations are not easy to compact and condense, the surface hardening speed of the materials is high in cold weather, the materials are not easy to adhere tightly, even if rolling is carried out for 3 times by a rolling mechanism, a large gap still exists among the materials of a small part, fine material supplement is carried out by a supplement hopper 7 at the moment, the materials of the fine materials and the coarse materials are the same, only the size of the fine materials is smaller than that of the coarse materials on the whole, fine material paving is carried out once after each layer of coarse material pavement paving, the gap among the coarse materials is filled by the fine materials, the materials are tightly and compactly adhered, and the overall degree of reduction of the pavement after rolling is small, the flatness is high, and the appearance of rough roads is reduced. During specific work, all be provided with one between per two scraper blades 6 and keep off piece 8, keep off piece 8 and transport belt 5 synchronous motion, the fine material of throwing in of moisturizing hopper 7 meeting compartmentalization when transport belt 5 moves, the fine material enters into first space through first clearance, along with the motion of transport belt 5, the opening orientation in first space is by becoming down gradually up, the fine material in the first space can drop to the road surface that four scraper blades 6 strickleed off at this moment, then through the roll extrusion of rolling mechanism 3, improve the closely degree of fullness between the material, reduce the change volume on road surface after the roll extrusion, the roughness on road surface has been improved, avoid the appearance on undulant road.

Furthermore, a second space is arranged between the blocking part 8 and the scraping plate 6, the second space is used for receiving materials thrown in the material box 2, the leveling mechanism also comprises,

a plurality of turnover pieces 10, wherein the turnover pieces 10 are rotatably arranged on the scraper 6;

the conveying belt 5 and the rolling mechanism 3 are respectively positioned at two sides of the arc-shaped sliding chute 11;

wherein the turner 10 is brought into contact with or separated from the inner wall of the arc-shaped chute 11 during the synchronous movement following the conveyor belt 5.

In this embodiment, as shown in fig. 1 to 5, a second space is provided between the blocking member 8 and the scraper 6, the second space is used for receiving the material thrown in the material box 2, the leveling mechanism further includes a plurality of turning members 10, and the turning members 10 are rotatably disposed on the scraper 6; the arc-shaped sliding chute 11 is arranged on the support frame 1, and the conveying belt 5 and the rolling mechanism 3 are respectively positioned on two sides of the arc-shaped sliding chute 11; wherein the turner 10 is brought into contact with or separated from the inner wall of the arc-shaped chute 11 during the synchronous movement following the conveyor belt 5. When the conveyer belt 5 rotates circularly, when the scraper 6 moves from the upside to the downside, the material drops downwards gradually and rolls towards the direction far away from the conveyer belt 5, the rolling material can push the turnover part 10 to turn over towards the direction far away from the scraper 6, meanwhile, the turnover part 10 after turning over can contact with the inner wall of the arc chute 11 when passing through the arc chute 11, the inner wall of the arc chute 11 provides a driving force for the turnover part 10, so that the turnover part 10 turns over towards the direction near the scraper 6, but along with the continuous movement of the conveyer belt 5, the rolling material is increased and accumulated on the turnover part 10, and a pressure is provided for the turnover part 10, the pressure pushes the turnover part 10 to be incapable of turning over towards the direction near the scraper 6, at the moment, the scraper 6, the turnover part 10 and the arc chute 11 form an isolation belt, the material behind the scraper 6 can be prevented from rolling forwards to the front of the scraper 6, the consistency of the quantity of the materials behind each scraper 6 can be ensured, namely the consistency of the quantity of the materials in front of the scrapers 6 when each scraper 6 is used for leveling and leveling is ensured, so that the scrapers 6 are used for leveling the road surface with the same length, the length of each layer of the road surface is kept consistent when the road surface is laid in layers, collapse cannot occur, and the stability and the compactness of the road surface are improved; when the scraping plate 6 and the turnover piece 10 leave the arc-shaped sliding groove 11, and the turnover piece 10 contacts the paved layered pavement, the paved layered pavement can provide a backward friction force for the turnover piece 10 and push the turnover piece 10 to turn in the direction close to the scraping plate 6, when the turnover piece 10 turns to be parallel to the end part of the scraping plate 6, the turnover stops, and the scraping plate 6 starts to scrape and level the materials on the layered pavement.

Further, 6 tip of scraper blade is equipped with upset cavity 12, and upset 10 rotates to set up in upset cavity 12, and the motion of scraper blade 6 on transport area 5 drives upset 10 and overturns, is equipped with spacing portion 13 on the upset 10, and the upset of upset 10 drives being close to and keeping away from of

spacing portion

13 and 6 sides of scraper blade.

In this embodiment, as shown in fig. 1 to 5, the end of the scraper 6 is provided with a turning cavity 12, the turning piece 10 is rotatably disposed in the turning cavity 12, the scraper 6 moves on the conveyor belt 5 to drive the turning piece 10 to turn, the turning piece 10 is provided with a limiting portion 13, and the turning of the turning piece 10 drives the limiting portion 13 to approach and leave from the side edge of the scraper 6. The overturning concave cavity 12 is arranged behind the end part of the scraping plate 6 which is scraped by the scraping plate 6 with the advancing direction of the scraping plate 6 as the front, when the overturning part 10 overturns towards the direction far away from the scraping plate 6 and overturns to be in contact with the side wall of the overturning concave cavity 12, the overturning part 10 reaches the farthest position of overturning, the side wall of the overturning concave cavity 12 supports and limits the overturning part 10 at the moment, the overturning part 10 is supported by matching with the arc-shaped sliding groove 11, and the phenomenon that the overturning part 10 overturns excessively to cause the material to fall in advance is avoided; on the other hand can remove from the below along with the transport belt 5 after the scraper blade 6 accomplishes current operation of making level, upset 10 overturns to the direction that is close to scraper blade 6 under the effect of dead weight this moment, when spacing portion 13 and scraper blade 6 contact, upset 10 stops the upset, spacing portion 13 is supporting upset 10 and is making upset 10 and keeping certain contained angle with scraper blade 6, the material can promote upset 10 and overturn to the direction of keeping away from scraper blade 6 when making things convenient for scraper blade 6 to overturn downwards.

Further, the material supplementing assembly further comprises a discharging auxiliary part 14, the discharging auxiliary part 14 is obliquely arranged on the conveying belt 5, a second gap is formed between the discharging auxiliary part 14 and the material receiving auxiliary part 9, and fine materials are thrown onto the materials leveled by the scraper 6 through the second gap.

In this embodiment, as shown in fig. 1 to 5, the supplementary assembly further includes a discharging auxiliary 14, the discharging auxiliary 14 is obliquely disposed on the conveyor belt 5, a second gap is formed between the discharging auxiliary 14 and the receiving auxiliary 9, and fine materials are thrown onto the materials leveled by the scraper 6 through the second gap. When scraper blade 6 overturns downwards, on the unloading auxiliary 14 that the thin material set up with the help of the slope rolls in the coarse material in advance upset 10, when scraper blade 6 began to make level the material the thin material began to spill on the material of just making level, so the operation is repeated and is carried out the input of material, carries out the combination of coarse material and thin material and lays, reduces the input of fine material simultaneously on the basis of guaranteeing the material and laying the degree of fullness, reduces the cost of manufacture of material.

Further, the leveling device comprises a pushing piece 15, wherein the pushing piece 15 is arranged on the support frame 1, the pushing piece 15 is located on one side of the leveling mechanism, and the pushing piece 15 is used for pushing accumulated materials on a roadbed to two sides.

In this embodiment, as shown in fig. 1 to 4, the paver further includes a pushing member 15, the pushing member 15 is disposed on the supporting frame 1, the pushing member 15 is located on one side of the leveling mechanism, and the pushing member 15 is used for pushing accumulated materials on the roadbed to two sides. The material is laid and is carried out preliminary strickle to the road bed surface earlier with the help of top pushing member 15 before to with unnecessary article propelling movement to the road bed both sides, avoid other article accumulations in the road bed surface to influence the laying of material promptly the shaping of road surface.

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. A paver for pavement construction comprises a support frame (1), wherein the support frame (1) is provided with a material box (2), a leveling mechanism and a rolling mechanism (3), the material box (2) is used for throwing materials and scraping the materials by means of the leveling mechanism, the rolling mechanism (3) is used for compacting the materials after scraping, and the paver is characterized in that the leveling mechanism comprises,

the rotating shafts (4) are provided with a plurality of numbers and are rotatably arranged on the supporting frame (1) by means of external power;

the conveying belt (5) is sleeved on all the rotating shafts (4), and the conveying belt (5) is used for conveying the materials;

a plurality of scraping plates (6), wherein the scraping plates (6) are arranged on the conveying belt (5) at intervals;

wherein scraper blade (6) operation degree of depth size sets gradually from big to little on transport area (5), with the help of the rotation of transport area (5) scraper blade (6) are right in proper order the material is strickleed off, realizes the layering of material is laid.

2. The paver for road construction according to claim 1, characterized in that the rolling mechanism (3) comprises a replenishing assembly for replenishing fines, which replenishing assembly comprises,

the material supplementing hopper (7) is arranged on the support frame (1) and is used for containing the fine materials;

a plurality of blocking pieces (8) are arranged on the conveying belt (5), and the blocking pieces (8) and the scraper (6) are arranged at intervals in a staggered manner;

the material receiving auxiliary (9) is obliquely arranged on the blocking piece (8) by virtue of a connecting rod, a first gap is formed between the material receiving auxiliary (9) and the blocking piece (8), and the material receiving auxiliary (9) and the scraper (6) are respectively positioned on two sides of the blocking piece (8);

wherein a first space is arranged between the auxiliary receiving part (9) and the scraper (6), and the fine materials put in the material supplementing hopper (7) sequentially pass through the first gap and the first space and are put on the materials leveled by the scraper (6).

3. The paver of claim 2, characterized in that a second space is provided between the stop (8) and the screed (6), said second space being intended to receive the material thrown in by the hopper (2), the leveling mechanism further comprising,

the turning pieces (10) are provided with a plurality of turning pieces (10) and are arranged on the scraper (6) in a rotating mode;

the conveying belt (5) and the rolling mechanism (3) are respectively positioned on two sides of the arc-shaped sliding chute (11);

wherein the turning member (10) is in contact with or separated from the inner wall of the arc-shaped chute (11) during the synchronous movement following the conveyor belt (5).

4. The paver for road surface construction as claimed in claim 3, characterized in that the end of the scraper (6) is provided with a turnover cavity (12), the turnover part (10) is rotatably arranged in the turnover cavity (12), the scraper (6) is moved on the conveyor belt (5) to drive the turnover part (10) to turn over, the turnover part (10) is provided with a limit part (13), and the turnover of the turnover part (10) drives the limit part (13) to be close to and away from the side edge of the scraper (6).

5. The paver for road surface construction as defined in claim 3, wherein the replenishment assembly further comprises a blanking auxiliary (14), the blanking auxiliary (14) is obliquely arranged on the conveyor belt (5), a second gap is formed between the blanking auxiliary (14) and the receiving auxiliary (9), and the fine material is thrown onto the material leveled by the scraper (6) through the second gap.

6. The paver of claim 1, further comprising an ejector (15), wherein the ejector (15) is arranged on the support frame (1), the ejector (15) is located on one side of the leveling mechanism, and the ejector (15) is used for ejecting accumulated materials on a road bed to two sides.