CN218147658U

CN218147658U - Asphalt paver

Info

Publication number: CN218147658U
Application number: CN202121672188.6U
Authority: CN
Inventors: 谢海彬; 李梓浩; 杨鑫; 杨碧兰; 翁少华
Original assignee: Guangdong Guanyue Highway and Bridge Co Ltd
Current assignee: Guangdong Guanyue Highway and Bridge Co Ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-12-27
Anticipated expiration: 2031-07-21

Abstract

The utility model relates to an asphalt paver. The asphalt paver comprises a hopper, a conveyor, a spiral distributor, an ironing device, a front retainer plate, two thermal joint baffles, two balance beams and a traveling device; the front material baffle plate is arranged in front of a screed plate of the ironing device, and the two thermal seam baffle plates are respectively arranged at the left side and the right side of an area which is enclosed by the screed plate and the front material baffle plate and are respectively positioned below the corresponding balance beams; the spiral distributor can convey materials to an area surrounded by the ironing plate, the front material baffle plate and the two thermal joint baffle plates; the front baffle plate comprises a baffle plate main body and a rubber baffle plate fixed on the lower edge of the baffle plate main body. In the paving process, the hot joint baffle can prevent redundant coarse aggregate in the asphalt mixture from rolling towards one side of the paved asphalt mixture pavement, effectively ensure the consistent loose paving at the hot joint of the pavers at two sides, and ensure the leveling and lapping quality of the longitudinal joint; the lower edge of the rubber baffle plate is close to the ground, so that the coarse aggregate can be prevented from rolling and separating forwards.

Description

Asphalt paver

Technical Field

The utility model relates to a road surface construction technical field specifically is a relate to an asphalt paving machine.

Background

The asphalt spreader is a road surface construction equipment, and is a machine for uniformly spreading asphalt mixture on a road base layer and carrying out preliminary compaction and leveling.

The main reasons for the poor quality of the longitudinal joint lap joint of two adjacent pavers during the paving operation of the existing asphalt paver include the falling and segregation of the coarse aggregate at the bottom of the front material baffle and the rolling of the coarse aggregate in the redundant asphalt mixture to one side of the paved asphalt mixture pavement.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention has been made to provide an asphalt spreader that overcomes or at least partially solves the above problems.

The asphalt paver comprises: the device comprises a hopper, a conveyor, a spiral distributor, an ironing device, a front baffle plate, two thermal joint baffle plates, two balance beams and a walking device; the ironing device comprises an ironing plate, the front material baffle plate is arranged in front of the ironing plate, and the two thermal seam baffle plates are respectively arranged on the left side and the right side of an area enclosed by the ironing plate and the front material baffle plate and are respectively positioned below the corresponding balance beams; the material loaded in the hopper can be conveyed to the area surrounded by the ironing plate, the front material baffle plate and the two thermal joint baffle plates sequentially through the conveyor and the spiral distributor; the front material baffle plate comprises a baffle plate main body and a rubber baffle plate fixed on the lower edge of the baffle plate main body.

Optionally, the thermal seam barrier is coupled to the screed plate by a holder, the holder being capable of adjusting the relative position of the thermal seam barrier and the screed plate.

Optionally, the rubber baffle is a hollow rubber plate.

Optionally, the spiral distributor comprises a rotating shaft, a first forward helical blade and a first reverse helical blade, wherein the first forward helical blade and the first reverse helical blade are oppositely arranged and are sleeved on the rotating shaft; the spiral distributor further comprises a second forward spiral blade and a second reverse spiral blade, the second forward spiral blade is arranged on one side, away from the first forward spiral blade, of the first reverse spiral blade, the second reverse spiral blade is arranged on one side, away from the first reverse spiral blade, of the first forward spiral blade, and the second forward spiral blade and the second reverse spiral blade are both sleeved on the rotating shaft.

Optionally, the second forward helical blade and the second reverse helical blade are both half helical blades.

Optionally, the spiral distributor further comprises a third forward helical blade and a third reverse helical blade, the third forward helical blade is arranged on one side, away from the first forward helical blade, of the second reverse helical blade, the third reverse helical blade is arranged on one side, away from the first reverse helical blade, of the second forward helical blade, and the third forward helical blade and the third reverse helical blade are both sleeved on the rotating shaft.

Optionally, the third forward helical blade and the third reverse helical blade are both half helical blades.

Optionally, the conveyor is a scraper conveyor.

The utility model discloses asphalt paving machine, its hot joint baffle can be at the in-process that paves, prevents among the unnecessary bituminous mixture that coarse aggregate from rolling toward the one side of the bituminous mixture road surface that paves, guarantees the pine of both sides paver hot joint department effectively and pave unanimously, ensures leveling and the overlap joint quality of longitudinal joint. In the process of paving, the lower edge of the rubber baffle plate is close to the ground, so that the coarse aggregate can be prevented from rolling and separating forwards.

Drawings

The accompanying drawings, which are included to provide a further understanding of the embodiments of the application, are incorporated in and constitute a part of this specification, illustrate embodiments of the application and together with the description serve to explain the principles of the application. It is obvious that the drawings in the following description are only some embodiments of the application, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic structural view of an embodiment of the asphalt paving machine of the present invention (the thermal joint baffle is not shown);

FIG. 2 is a schematic view of the asphalt paving machine of FIG. 1 from another perspective;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a schematic view of the installation of the side dam plate;

FIG. 5 is a cross-sectional view of a rubber dam;

FIG. 6 is a schematic view of the structure of the spiral distributor.

Description of the reference numerals: 1. a frame; 2. a hopper; 3. a spiral distributor; 4. an ironing device; 5. a front retainer plate; 6. a thermal seam barrier; 7. a traveling device; 8. a screed plate; 9. a hopper cylinder; 10. a holder; 11. a first fixing lever; 12. a second fixing bar; 13. a baffle body; 14. a rubber baffle; 15. a rotating shaft; 16. a first forward helical blade; 17. a first counter-helical blade; 18. a second forward helical blade; 19. a second counter-helical blade.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below are exemplary and are intended to be illustrative of the present invention and should not be construed as limiting the invention, which may be embodied in many different forms by one of ordinary skill in the art without departing from the spirit and scope of the present invention as defined by the appended claims and their equivalents.

The terms "central," "longitudinal," "transverse," "length," "up," "down," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "axial," "radial," "circumferential," and the like, referred to or may be referred to in the description of the invention, are used in the orientation or positional relationship indicated in the drawings only for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be construed as limiting the invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Furthermore, the terms "comprises," "comprising," and any variations thereof, are intended to cover non-exclusive inclusions.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

An asphalt paving machine according to an embodiment of the present invention is described below with reference to the accompanying drawings.

Referring to fig. 1 and 2, an asphalt paving machine according to an embodiment of the present invention includes a frame 1, a hopper 2, a conveyor (not shown), a spiral distributor 3, a ironing device 4, a front baffle plate 5, two thermal seam baffle plates 6, two balance beams (not shown), and a traveling device 7.

The machine frame 1 can provide a mounting platform or a mounting space for a partial structure of the asphalt paving machine. For example, in the present embodiment, the hopper 2, the conveyor, the spiral distributor 3, the ironing device 4, the front baffle plate 5, the two thermal seam baffle plates 6, the two balance beams, and the traveling device 7 are directly or indirectly mounted on the frame 1.

The hopper 2 is used for receiving materials such as asphalt mixture, the materials loaded on the hopper 2 can be conveyed to the spiral distributor 3 through the conveyor, and the spiral distributor 3 transversely conveys the materials to the front of the ironing plate 8 of the ironing device 4, so that the materials are uniformly distributed along the whole paving width. In this embodiment, asphalt paving machine still includes hopper hydro-cylinder 9, the one end and the frame 1 of hopper hydro-cylinder 9 are connected, and the other end is connected with the lateral wall of hopper 2, be used for with the front end of hopper 2 promotes to make 2 interior materials of hopper to removing in the discharge gate of rear end.

In this embodiment, the conveyor is a scraper conveyor, the front end of which extends into the hopper 2 through the discharge opening of the hopper 2, and in operation, the conveyor transfers the material loaded in the hopper 2 to the spiral distributor 3.

The front striker plate 5 is arranged in front of the screed 8, with respect to the view of fig. 1, i.e. the front striker plate 5 is located on the left side of the screed 8. The two thermal joint baffles 6 are respectively arranged at the left side and the right side of the area enclosed by the ironing plate 8 and the front baffle plate 5 and are respectively positioned below the corresponding balance beams. The material loaded in the hopper 2 can be conveyed to the area surrounded by the ironing plate 8, the front baffle plate 5 and the two thermal joint baffle plates 6 in sequence through the conveyor and the spiral distributor 3, and then the material is pre-pressed, shaped and leveled by the ironing device 4, so that conditions are created for the subsequent compaction of the road roller. The thermal joint baffle 6 can prevent the redundant coarse aggregate in the asphalt mixture from rolling towards one side of the paved asphalt mixture pavement in the paving process, effectively ensure the consistent loose paving at the thermal joint of the pavers at two sides, and ensure the leveling and lapping quality of the longitudinal joint.

Referring now to fig. 4, in this embodiment, the thermal seam barrier 6 is connected to the screed 8 by a holder 10, the holder 10 being capable of adjusting the relative position of the thermal seam barrier 6 and the screed 8. Specifically, the fixer 10 includes a first fixing rod 11 and a second fixing rod 12, one end of the first fixing rod 11 and one end of the second fixing rod 12 are fixedly connected to the screed 8, and the other ends of the first fixing rod and the second fixing rod are fixedly connected to the thermal seam barrier 6. The thermal joint barrier 6 may be provided with a plurality of connecting through holes, the first fixing rod 11 and the second fixing rod 12 may be connected to the connecting members corresponding to the connecting through holes, such as bolts, to be fixedly connected to the thermal joint barrier 6, and different connecting through holes may be selected, so that the relative position of the thermal joint barrier 6 and the screed 8 may be adjusted, such as the left and right positions of the thermal joint barrier 6. It should be understood that the holder 10 may also take other suitable configurations, not specifically enumerated herein.

Returning now to fig. 1, the front retainer plate 5 includes a retainer body 13, and a rubber retainer plate 14 fixed to a lower edge of the retainer body. During the paving process, the lower edge of the rubber baffle plate 14 is close to the ground, so that the coarse aggregate can be prevented from rolling and separating forwards. In this embodiment, the rubber baffle 14 is a hollow rubber plate.

Referring to fig. 6, in the present embodiment, the spiral distributor 3 includes a rotating shaft 15, a first forward spiral blade 16, and a first reverse spiral blade 17, wherein the first forward spiral blade 16 and the first reverse spiral blade 17 are disposed opposite to each other and are sleeved on the rotating shaft 15. When the driving device drives the rotating shaft 15 to rotate like a motor, the first forward helical blade 16 and the first reverse helical blade 17 which are sleeved on the rotating shaft 15 can synchronously rotate so as to transversely convey the material to the front of the ironing plate 8 of the ironing device 4.

In one embodiment, the number of the rotating shafts 15 is two, the first forward helical blade 16 and the first reverse helical blade 17 are respectively sleeved on the corresponding rotating shafts 15, and two driving devices working independently drive the corresponding rotating shafts 15 to rotate respectively, so as to drive the first forward helical blade 16 and the first reverse helical blade 17 to rotate.

Spiral tripper 3 still includes second forward helical blade 18, the reverse helical blade 19 of second, second forward helical blade 18 arranges in the one side that first forward helical blade 16 was kept away from in first reverse helical blade 17, the reverse helical blade 19 of second arranges in the one side that first reverse helical blade 17 was kept away from in first forward helical blade 16, second forward helical blade 18, the reverse helical blade 19 of second all cup joints on axis of rotation 15. When the driving device drives the rotating shaft 15 to rotate like a motor, the first forward helical blade 16, the first reverse helical blade 17, the second forward helical blade 18 and the second reverse helical blade 19 which are sleeved on the rotating shaft 15 can rotate synchronously. Set up second forward helical blade 18, the reverse helical blade 19 of second can make bituminous mixture more even, prevent coarse aggregate, fine aggregate segregation.

Preferably, the second forward helical blade 18 and the second reverse helical blade 19 are both half helical blades.

In one embodiment, the spiral distributor 3 further comprises a third forward spiral blade (not shown) and a third reverse spiral blade (not shown), the third forward spiral blade is disposed on one side of the second reverse spiral blade 19 away from the first forward spiral blade 16, the third reverse spiral blade is disposed on one side of the second forward spiral blade 18 away from the first reverse spiral blade 17, and the third forward spiral blade and the third reverse spiral blade are sleeved on the rotating shaft 15. The third forward helical blade and the third reverse helical blade are additionally arranged, so that the transverse conveying distance of the spiral distributor 3 can be adjusted.

Preferably, the third forward helical blade and the third reverse helical blade are both half helical blades, so as to realize fine adjustment of the transverse conveying distance of the helical distributor 3.

The embodiment of the utility model provides an asphalt paver, its hot seam baffle 6 can be at the in-process that paves, prevents among the unnecessary bituminous mixture that the coarse aggregate from rolling toward the one side of paving good bituminous mixture road surface, guarantees effectively that the pine of both sides paver hot seam department is spread unanimously, ensures leveling and the overlap joint quality of longitudinal joint. During the paving process, the lower edge of the rubber baffle plate 14 is close to the ground, so that the coarse aggregate can be prevented from rolling and separating forwards.

Claims

1. An asphalt paving machine, comprising: the device comprises a hopper, a conveyor, a spiral distributor, an ironing device, a front material baffle plate, two thermal joint baffle plates, two balance beams and a walking device; the ironing device comprises an ironing plate, the front material baffle plate is arranged in front of the ironing plate, and the two thermal seam baffle plates are respectively arranged on the left side and the right side of an area enclosed by the ironing plate and the front material baffle plate and are respectively positioned below the corresponding balance beams; the materials loaded in the hopper can be conveyed to the area surrounded by the ironing plate, the front material baffle plate and the two thermal joint baffle plates in sequence through the conveyor and the spiral distributor; the front material baffle plate comprises a baffle plate main body and a rubber baffle plate fixed on the lower edge of the baffle plate main body.

2. The asphalt paving machine according to claim 1, wherein: the thermal joint barrier is connected with the screed plate through a fixer, and the fixer can adjust the relative position of the thermal joint barrier and the screed plate.

3. The asphalt paving machine of claim 1, wherein: the rubber baffle is a hollow rubber plate.

4. The asphalt paving machine according to claim 1, wherein: the spiral distributor comprises a rotating shaft, a first forward spiral blade and a first reverse spiral blade, wherein the first forward spiral blade and the first reverse spiral blade are oppositely arranged and are sleeved on the rotating shaft; the spiral distributor further comprises a second forward spiral blade and a second reverse spiral blade, the second forward spiral blade is arranged on one side, away from the first forward spiral blade, of the first reverse spiral blade, the second reverse spiral blade is arranged on one side, away from the first reverse spiral blade, of the first forward spiral blade, and the second forward spiral blade and the second reverse spiral blade are both sleeved on the rotating shaft.

5. The asphalt paving machine of claim 4, wherein: and the second forward helical blade and the second reverse helical blade are both semi-helical blades.

6. The asphalt paving machine of claim 4, wherein: the spiral distributor further comprises a third forward spiral blade and a third reverse spiral blade, the third forward spiral blade is arranged on one side, away from the first forward spiral blade, of the second reverse spiral blade, the third reverse spiral blade is arranged on one side, away from the first reverse spiral blade, of the second forward spiral blade, and the third forward spiral blade and the third reverse spiral blade are both sleeved on the rotating shaft.

7. The asphalt paving machine according to claim 6, wherein: and the third forward helical blade and the third reverse helical blade are both semi-helical blades.

8. The asphalt paving machine according to any one of claims 1 to 7, characterized in that: the conveyor is a scraper conveyor.