CN219664340U - Old material cyclic utilization device for asphalt pavement - Google Patents
Old material cyclic utilization device for asphalt pavement Download PDFInfo
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- CN219664340U CN219664340U CN202321278017.4U CN202321278017U CN219664340U CN 219664340 U CN219664340 U CN 219664340U CN 202321278017 U CN202321278017 U CN 202321278017U CN 219664340 U CN219664340 U CN 219664340U
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- screening
- roller
- sieve mesh
- annular sieve
- cylinder
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- 239000000463 material Substances 0.000 title claims abstract description 41
- 239000010426 asphalt Substances 0.000 title claims abstract description 23
- 125000004122 cyclic group Chemical group 0.000 title claims description 4
- 238000012216 screening Methods 0.000 claims abstract description 158
- 230000007246 mechanism Effects 0.000 claims abstract description 44
- 238000004064 recycling Methods 0.000 claims abstract description 15
- 238000004140 cleaning Methods 0.000 claims abstract description 12
- 230000003014 reinforcing effect Effects 0.000 claims description 7
- 238000007873 sieving Methods 0.000 claims 1
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 239000007787 solid Substances 0.000 abstract description 2
- 238000007790 scraping Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000003801 milling Methods 0.000 description 4
- 230000005540 biological transmission Effects 0.000 description 3
- 238000007599 discharging Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Road Paving Machines (AREA)
Abstract
The utility model relates to the technical field of old material screening, in particular to an asphalt pavement old material recycling device, which comprises: the screening device comprises a fixed bracket, a screening mechanism arranged on the fixed bracket and a collecting box arranged below the screening mechanism; the screening mechanism comprises a primary screening roller, a secondary screening roller, a tertiary screening roller and a coarse material collecting roller which are sequentially arranged along the axial direction, wherein a plurality of fixing rings are arranged in the screening mechanism along the axial direction, and the diameters of the fixing rings are gradually increased along the direction away from the feeding component; the interval between two adjacent solid fixed rings forms annular sieve mesh, and be located annular sieve mesh in tertiary screening cylinder and be greater than annular sieve mesh in the second grade screening cylinder, annular sieve mesh in the second grade screening cylinder is greater than annular sieve mesh in the one-level screening cylinder to be equipped with the scraper blade that is used for cleaning annular sieve mesh in screening mechanism side, and be equipped with on the scraper blade with annular sieve mesh complex brush tooth, can increase screening area, avoided the blocking phenomenon of sieve mesh, improved screening efficiency.
Description
Technical Field
The utility model relates to the technical field of old material screening, in particular to a recycling device for old materials of asphalt pavement.
Background
After long-term use, asphalt pavement can generate cracks, ruts, crazes, pits and other diseases, and the travelling comfort is affected, so that maintenance engineering is required to be carried out on road sections with poor technical conditions of the pavement. Milling and re-paving are road maintenance modes with more bus bars, so that more milling materials are generated, the milling materials of waste gas not only pollute the environment, but also cause great waste to sand and stone resources, so that the pollution of asphalt milling materials to ecological environment can be solved, asphalt and sand and stone resources can be solved, the engineering cost is reduced, and energy conservation, emission reduction and sustainable development are realized.
The existing old asphalt pavement material is generally recycled by crushing and screening the old asphalt pavement material firstly, and then heating and secondary paving are carried out on the crushed and screened old asphalt pavement material, but the screen is easily blocked by the milled material with larger particles in the screening process, so that the screening area of the screen is reduced, the phenomenon that the milled material with smaller particle size is difficult to drop occurs, and the screening efficiency is further influenced.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the utility model provides a bituminous pavement old material cyclic utilization device, effectively solves the problem in the background art.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: an asphalt pavement old material recycling device, comprising: the screening device comprises a fixed bracket, a screening mechanism arranged on the fixed bracket and a collecting box arranged below the screening mechanism;
one end of the screening mechanism is provided with a feeding assembly, and the end part of the feeding assembly is provided with a driving assembly for driving the screening mechanism to rotationally screen;
the screening mechanism is horizontally and transversely arranged and comprises a primary screening roller, a secondary screening roller, a tertiary screening roller and a coarse material collecting roller which are sequentially arranged along the axial direction, a plurality of fixing rings are arranged in the primary screening roller, the secondary screening roller and the tertiary screening roller along the axial direction, and the diameters of the fixing rings are gradually increased along the direction away from the feeding component;
the space between two adjacent fixed rings forms annular sieve meshes, the annular sieve meshes are larger than the annular sieve meshes in the secondary screening roller and the annular sieve meshes in the primary screening roller, scraping plates for cleaning the annular sieve meshes are arranged on the side surfaces of the screening mechanism, and brush teeth matched with the annular sieve meshes are arranged on the scraping plates.
Further, the feeding assembly comprises an outer fixed cylinder, an inner rotary cylinder and a feeding hopper;
the inner rotary cylinder is coaxially arranged with the outer fixed cylinder, one end of the inner rotary cylinder is connected with the primary screening cylinder, and the feeding hopper is arranged on the outer fixed cylinder and is fixed on the fixed bracket through the supporting column.
Further, a feed inlet is arranged on the inner rotary cylinder.
Further, the driving assembly comprises a motor, a rotating shaft and a plurality of rotating discs arranged on the rotating shaft;
the two ends of the rotating shaft are rotatably arranged on the fixed support through bearings, and the motor is arranged on the fixed support and is connected with the rotating shaft through a coupler;
the rotating discs are uniformly distributed in the screening mechanism at intervals along the axial direction of the rotating shaft.
Further, a cover is provided on the screening mechanism.
Further, the collecting box is provided with two vertical discharging holes and two horizontal discharging holes;
two perpendicular discharge gates correspond to be set up the one-level screening cylinder with tertiary screening cylinder below, two horizontal discharge gate correspond to be set up the second grade screening cylinder with coarse fodder collection cylinder's below.
Further, reinforcing ribs are arranged on the screening mechanism, and the reinforcing ribs are connected with a plurality of fixing rings in series along the axial direction.
Further, a plurality of fixing rings positioned in the primary screening roller, the secondary screening roller and the tertiary screening roller are arranged at equal intervals along the axial direction.
Further, the intervals of a plurality of fixed rings in the primary screening roller, the secondary screening roller and the tertiary screening roller along the axial direction are sequentially increased;
and the annular sieve holes positioned at the tail end in the primary screening roller are smaller than the annular sieve holes positioned at the starting end in the secondary screening roller.
Further, the scraping plate comprises an arc-shaped plate and a self-cleaning plate arranged on the arc-shaped plate;
the arc plate and the screening mechanism are coaxially arranged, the self-cleaning plate is arranged on the inner side surface of the arc plate facing the screening mechanism, and the brush teeth are arranged on the contact surface of the self-cleaning plate and the screening mechanism.
The beneficial effects of the utility model are as follows: according to the utility model, the screening area can be increased through the annular screen holes formed by the fixed rings, and the scraping plate cleans the rotating screen cylinder in the screening process, so that the blocking phenomenon of the screen holes is avoided, and the screening efficiency is improved.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a schematic axial view of a recycling device for old asphalt pavement materials in an embodiment of the utility model;
FIG. 2 is an elevation view of an apparatus for recycling used asphalt pavement materials in an embodiment of the present utility model;
FIG. 3 is a schematic view of the structure of the feed assembly and the collection box in an embodiment of the utility model;
FIG. 4 is a schematic diagram of a driving assembly according to an embodiment of the present utility model;
fig. 5 is a partial enlarged view at a of fig. 4.
Reference numerals: 1. a fixed bracket; 2. a screening mechanism; 21. a primary screening drum; 22. a secondary screening drum; 23. a three-stage screening roller; 24. a coarse material collecting roller; a. a fixing ring; 3. a collection box; 31. a vertical discharge port; 32. a horizontal discharge port; 4. a feed assembly; 41. an outer fixed cylinder; 42. an inner rotating drum; 43. a feed hopper; 5. a drive assembly; 51. a motor; 52. a rotating shaft; 53. a rotating disc; 6. a scraper; 7. a housing; 8. reinforcing ribs.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The asphalt pavement old material recycling device shown in fig. 1 to 5 comprises: a fixed bracket 1, a screening mechanism 2 arranged on the fixed bracket 1, and a collecting box 3 arranged below the screening mechanism 2; a feeding component 4 is arranged at one end of the screening mechanism 2, and a driving component 5 for driving the screening mechanism 2 to rotationally screen is arranged at the end of the feeding component 4;
the screening mechanism 2 is horizontally and transversely arranged and comprises a primary screening roller 21, a secondary screening roller 22, a tertiary screening roller 23 and a coarse material collecting roller 24 which are sequentially arranged along the axial direction, a plurality of fixing rings a are arranged in the primary screening roller 21, the secondary screening roller 22 and the tertiary screening roller 23 along the axial direction, and the diameters of the fixing rings a are gradually increased along the direction away from the feeding component 4;
wherein, the interval between two adjacent solid rings a forms annular sieve mesh, and be located the annular sieve mesh in tertiary screening cylinder 23 and be greater than the annular sieve mesh in the second grade screening cylinder 22, annular sieve mesh in the second grade screening cylinder 22 is greater than annular sieve mesh in the first grade screening cylinder 21 to be equipped with the scraper blade 6 that is used for cleaning annular sieve mesh in screening mechanism 2 side, and be equipped with on the scraper blade 6 with annular sieve mesh complex brush tooth. The pitch of the mesh holes is set according to the size of the actual screening particle size.
The preferred implementation process of the utility model is that the driving component 5 drives the primary screening roller 21, the secondary screening roller 22 and the tertiary screening roller 23 to synchronously rotate, after the rotation speed is stable, the rotation force from the primary screening roller 21 to the tertiary screening roller 23 is formed in the screening mechanism 2, the crushed materials are added into the feeding component 4 at the moment, the materials are sequentially conveyed to the primary screening roller 21, the secondary screening roller 22 and the tertiary screening roller 23 for screening through the action of the rotation force, the materials with the largest particles enter the final coarse material collecting roller 24, and in the process of rotating screening, the brush teeth on the scraping plate 6 are inserted into annular sieve holes; according to the utility model, the screening area can be increased through the annular screen holes formed by the plurality of fixing rings a, and in the screening process, the scraping plate 6 cleans the rotating screen cylinder, so that the blocking phenomenon of the screen holes is avoided, and the screening efficiency is improved.
In the preferred embodiment of the present utility model, the feed assembly 4 comprises an outer stationary drum 41, an inner rotating drum 42 and a feed hopper 43; the inner rotary drum 42 is coaxially arranged with the outer fixed drum 41, and one end of the inner rotary drum 42 is connected with the primary screening drum 21, and the feed hopper 43 is arranged on the outer fixed drum 41 and fixed on the fixed bracket 1 through the support column.
Specifically, the outer fixed cylinder 41 is fixedly connected with the feed hopper 43, the inner rotary cylinder 42 is fixed at one end of the primary screening cylinder 21, and when the inner rotary cylinder 42 rotates synchronously with the primary screening cylinder 21, the outer cylindrical surface of the inner rotary cylinder 42 is in sliding contact with the inner hole wall of the outer fixed cylinder 41, so that after the material enters the inner rotary cylinder 42 through the feed hopper 43, the material is prevented from being thrown out of the inner rotary cylinder 42.
On the basis of the above embodiment, in order to avoid that the material is accumulated in the screening drum, the drum rotation load is excessively large, a feed inlet is arranged on the inner rotary drum 42, when the feed inlet rotates to be communicated with the feed hopper 43, the material enters the inner rotary drum 42 through the feed hopper 43, and when the feed inlet rotates to a position offset from the feed hopper 43, no material is fed into the inner rotary drum 42 at this time.
In the preferred embodiment of the present utility model, the driving assembly 5 comprises a motor 51, a rotating shaft 52 and a plurality of rotating discs 53 arranged on the rotating shaft 52; the two ends of the rotating shaft 52 are rotatably arranged on the fixed bracket 1 through bearings, and the motor 51 is arranged on the fixed bracket 1 and is connected with the rotating shaft 52 through a coupler; a plurality of rotating discs 53 are uniformly distributed and arranged in the screening mechanism 2 at intervals along the axial direction of the rotating shaft 52.
Specifically, the rotating discs 53 are arranged between two adjacent screening drums, the motor 51 drives the plurality of rotating discs 53 to rotate through the rotating shaft 52, and the rotating discs 53 act on the screening mechanism 2 together, so that on one hand, the transmission power function is achieved, and on the other hand, the connection reliability of the screening drums is ensured.
In order to avoid the influence of dust raised during screening on the environment, a housing 7 is arranged on the screening mechanism 2, and the housing 7 and the collecting box 3 are connected into a closed cavity, so that the screening mechanism 2 is arranged in the closed cavity.
In the preferred embodiment of the utility model, in order to facilitate the collection and transmission of the sieved material, the collection box 3 is provided with two vertical discharge holes 31 and two horizontal discharge holes 32; two vertical discharge ports 31 correspond to be arranged below the first-stage screening roller 21 and the third-stage screening roller 23, two horizontal discharge ports 32 correspond to be arranged below the second-stage screening roller 22 and the coarse material collecting roller 24, and the use space of the discharge ports is enlarged by the vertical discharge ports 31 and the horizontal discharge ports 32 which are arranged at intervals, so that the convenience of material transmission is improved.
In the preferred embodiment of the utility model, the screening structure is provided with the reinforcing ribs 8, and the reinforcing ribs 8 are connected with a plurality of fixing rings a in series along the axial direction so as to ensure the strength of the whole structure.
In the preferred embodiment of the utility model, the fixed rings a in the primary screening roller 21, the secondary screening roller 22 and the tertiary screening roller 23 are arranged at equal intervals along the axial direction, and in particular, the fixed rings a in the same screening roller are arranged at equal intervals, so that the screening efficiency can be improved.
In the preferred embodiment of the utility model, the intervals of a plurality of fixed rings a in the primary screening roller 21, the secondary screening roller 22 and the tertiary screening roller 23 along the axial direction are sequentially increased; and the annular sieve holes at the tail end position in the first-stage screening roller 21 are smaller than the annular sieve holes at the starting end of the second-stage screening roller 22, so that the materials can be screened in the same roller to realize screening of multiple particle sizes, the screening pressure of the earlier-stage materials is reduced by sequential screening, and the screening precision is ensured.
In a preferred embodiment of the utility model, the scraping plate 6 comprises an arc-shaped plate and a self-cleaning plate arranged on the arc-shaped plate; the arc sets up with screening mechanism 2 are coaxial, and the automatically cleaning board sets up at the arc towards screening mechanism 2 medial surface, and the brush tooth setting is on the contact surface of automatically cleaning board and screening mechanism 2, makes the brush tooth imbeds in the annular sieve mesh to guarantee the tip of brush tooth not protrusion and the internal surface of cylinder, thereby clear away the jam granule in the annular sieve mesh, in order to guarantee the screening efficiency of screening face.
It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an old material cyclic utilization device of bituminous paving which characterized in that includes: a fixed bracket (1), a screening mechanism (2) arranged on the fixed bracket (1) and a collecting box (3) arranged below the screening mechanism (2);
one end of the screening mechanism (2) is provided with a feeding component (4), and the end part of the feeding component (4) is provided with a driving component (5) for driving the screening mechanism (2) to rotationally screen;
the screening mechanism (2) is horizontally and transversely arranged and comprises a primary screening roller (21), a secondary screening roller (22), a tertiary screening roller (23) and a coarse material collecting roller (24) which are sequentially arranged along the axial direction, a plurality of fixing rings (a) are arranged in the primary screening roller (21), the secondary screening roller (22) and the tertiary screening roller (23) along the axial direction, and the diameters of the fixing rings (a) are gradually increased along the direction away from the feeding component (4);
wherein, two adjacent intervals between fixed ring (a) form annular sieve mesh, and be located tertiary screening cylinder (23) in annular sieve mesh is greater than in second grade screening cylinder (22) annular sieve mesh is greater than in the one-level screening cylinder (21) annular sieve mesh, and screening mechanism (2) side be equipped with be used for the cleanness annular sieve mesh scraper blade (6), just be equipped with on scraper blade (6) with annular sieve mesh complex brush tooth.
2. The old asphalt pavement recycling apparatus according to claim 1, wherein the feeding assembly (4) comprises an outer fixed cylinder (41), an inner rotary cylinder (42) and a feed hopper (43);
the inner rotary cylinder (42) and the outer fixed cylinder (41) are coaxially arranged, one end of the inner rotary cylinder (42) is connected with the primary screening cylinder (21), and the feed hopper (43) is arranged on the outer fixed cylinder (41) and is fixed on the fixed support (1) through a support column.
3. The old asphalt pavement recycling apparatus according to claim 2, wherein a feed port is provided on the inner rotary drum (42).
4. The old asphalt pavement recycling apparatus according to claim 1, wherein the driving assembly (5) comprises a motor (51), a rotating shaft (52) and a plurality of rotating discs (53) arranged on the rotating shaft (52);
the two ends of the rotating shaft (52) are rotatably arranged on the fixed support (1) through bearings, and the motor (51) is arranged on the fixed support (1) and is connected with the rotating shaft (52) through a coupler;
the rotating discs (53) are uniformly distributed and arranged in the screening mechanism (2) at intervals along the axial direction of the rotating shaft (52).
5. The recycling device for used asphalt pavement according to claim 1, characterized in that a cover (7) is arranged on the screening mechanism (2).
6. The old asphalt pavement recycling device according to claim 1, wherein the collecting box (3) is provided with two vertical discharge holes (31) and two horizontal discharge holes (32);
the two vertical discharge holes (31) are correspondingly arranged below the primary screening roller (21) and the tertiary screening roller (23), and the two horizontal discharge holes (32) are correspondingly arranged below the secondary screening roller (22) and the coarse material collecting roller (24).
7. The old asphalt pavement recycling apparatus according to claim 1, wherein reinforcing ribs (8) are provided on the sieving mechanism (2), and the reinforcing ribs (8) are connected in series with a plurality of fixing rings (a) along the axial direction.
8. The old asphalt pavement recycling apparatus according to claim 1, wherein a plurality of the fixing rings (a) located in the primary screening drum (21), the secondary screening drum (22), and the tertiary screening drum (23) are arranged at equal intervals along the axial direction.
9. The old asphalt pavement recycling apparatus according to claim 1, wherein the intervals of a plurality of fixing rings (a) in the primary screening roller (21), the secondary screening roller (22) and the tertiary screening roller (23) along the axial direction are sequentially increased;
and the annular sieve holes at the tail end position in the primary screening roller (21) are smaller than the annular sieve holes at the starting end of the secondary screening roller (22).
10. The asphalt pavement old material recycling apparatus according to claim 1, wherein the scraper (6) comprises an arc-shaped plate and a self-cleaning plate arranged on the arc-shaped plate;
the arc-shaped plate and the screening mechanism (2) are coaxially arranged, the self-cleaning plate is arranged on the inner side surface of the arc-shaped plate facing the screening mechanism (2), and the brush teeth are arranged on the contact surface of the self-cleaning plate and the screening mechanism (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321278017.4U CN219664340U (en) | 2023-05-24 | 2023-05-24 | Old material cyclic utilization device for asphalt pavement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321278017.4U CN219664340U (en) | 2023-05-24 | 2023-05-24 | Old material cyclic utilization device for asphalt pavement |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219664340U true CN219664340U (en) | 2023-09-12 |
Family
ID=87926042
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321278017.4U Active CN219664340U (en) | 2023-05-24 | 2023-05-24 | Old material cyclic utilization device for asphalt pavement |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219664340U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117427547A (en) * | 2023-12-13 | 2024-01-23 | 山西交通养护集团有限公司 | Compound rock asphalt activation agitator tank |
| CN117644027A (en) * | 2024-01-30 | 2024-03-05 | 云南凯瑞特工程机械设备有限公司 | Portable sand material screening device who carries on |
-
2023
- 2023-05-24 CN CN202321278017.4U patent/CN219664340U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117427547A (en) * | 2023-12-13 | 2024-01-23 | 山西交通养护集团有限公司 | Compound rock asphalt activation agitator tank |
| CN117427547B (en) * | 2023-12-13 | 2024-03-15 | 山西交通养护集团有限公司 | Compound rock asphalt activation agitator tank |
| CN117644027A (en) * | 2024-01-30 | 2024-03-05 | 云南凯瑞特工程机械设备有限公司 | Portable sand material screening device who carries on |
| CN117644027B (en) * | 2024-01-30 | 2024-04-09 | 云南凯瑞特工程机械设备有限公司 | Portable sand material screening device who carries on |
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