CN212791135U - Waste asphalt mixture crushing device - Google Patents
Waste asphalt mixture crushing device Download PDFInfo
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- CN212791135U CN212791135U CN202021124306.5U CN202021124306U CN212791135U CN 212791135 U CN212791135 U CN 212791135U CN 202021124306 U CN202021124306 U CN 202021124306U CN 212791135 U CN212791135 U CN 212791135U
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Abstract
A waste asphalt mixture crushing device comprises a shell, a feed hopper, a discharge hopper, a material distribution structure, a fine crushing roller, a fine crushing motor, a coarse crushing roller, a coarse crushing motor, a secondary crushing roller, a secondary crushing motor and a support frame; the feed hopper is arranged at the top end of the shell; the discharge hopper is arranged at the bottom end of the shell; the material distributing structure is arranged at the top end of the feeding cavity; the fine crushing roller is arranged in the fine crushing cavity; the fine crushing motor is fixedly arranged on the outer side wall of the fine crushing cavity; the coarse crushing roller is arranged in the coarse crushing cavity; the coarse crushing motor is arranged on the outer side wall of the coarse crushing cavity; the secondary crushing roller is arranged in the secondary crushing cavity; the secondary crushing motor is arranged on the outer side wall of the secondary crushing cavity; the support frame sets up in the bottom of casing. The utility model discloses a put the material of equidimension not in and divide the passageway screening breakage on dividing the material structure, improved broken process efficiency, and the smoothness nature of screening process is high.
Description
Technical Field
The utility model relates to an old and useless pitch field of retrieving, especially an old and useless bituminous mixture breaker.
Background
The crushing of waste asphalt mixture (hereinafter referred to as RAP) is an important step of a process for recovering asphalt materials of old roads, and particularly, the crushing of oversized large-particle-size (generally larger than 40mm) particles in the RAP recovered from waste pavements into small-particle-size particles smaller than 40 mm. The crushing device for the materials generally adopts a jaw crusher or a double-roller crusher and the like. The jaw crusher crushes RAP with an over-limit size by using an extrusion mode, a large amount of dust is generated by the crushing mode, the environment-friendly degree is low, the crushing process is accompanied by large noise pollution, and the crushed material has too small particle size and cannot meet the recovery process of waste asphalt; in addition, the form of a double-roller crusher is adopted, materials are subjected to meshing rotary cutting by the engaging force of rotating rollers on two sides, the materials with larger sizes are extruded and sheared, the materials are broken to form falling of the materials with smaller sizes, the environment-friendly performance of the application tool is strong, when the double-roller crusher is adopted to crush waste asphalt materials, the sizes of reclaimed materials are different, the rotating rollers with unified sizes are adopted to extrude, roll and shear the materials which continuously fall into the crusher, the materials with larger sizes need to be crushed for a longer time, the materials with larger sizes are blocked between the two rotating rollers, the rapid crushing of the materials with smaller sizes is influenced, and the overall material crushing efficiency is low.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of the existence, the utility model discloses an old and useless bituminous mixture breaker, its concrete technical scheme as follows: a waste asphalt mixture crushing device comprises a shell, a feed hopper, a discharge hopper, a material distribution structure, a fine crushing roller, a fine crushing motor, a coarse crushing roller, a coarse crushing motor, a secondary crushing roller, a secondary crushing motor and a support frame;
the shell is of a hollow structure, the bottom end of the shell is a feeding cavity, the bottom end of the feeding cavity is a fine crushing cavity, one side of the fine crushing cavity is a coarse crushing cavity, the coarse crushing cavity and the fine crushing cavity are separated through a partition plate, and the bottom end of the fine crushing cavity is a secondary crushing cavity; the feed hopper is arranged at the top end of the shell; the discharge hopper is arranged at the bottom end of the shell; the material distributing structure is arranged at the top end of the feeding cavity and is obliquely arranged; the fine crushing rollers are arranged in the fine crushing cavity and symmetrically arranged on two sides, fine crushing teeth are arranged on the side wall of each fine crushing roller in the circumferential direction, and the fine crushing teeth on the two sides are arranged in a staggered manner; the fine crushing motor is fixedly arranged on the outer side wall of the fine crushing cavity and rotates coaxially with the fine crushing roller; the coarse crushing rollers are arranged in the coarse crushing cavity and symmetrically arranged on two sides, coarse crushing teeth are arranged on the side wall of each coarse crushing roller in the circumferential direction, and the coarse crushing teeth on the two sides are arranged in a staggered manner; the coarse crushing motor is arranged on the outer side wall of the coarse crushing cavity and rotates coaxially with the coarse crushing roller; the secondary crushing rollers are arranged in the secondary crushing cavity and symmetrically arranged on two sides, secondary crushing teeth are arranged on the side wall of each secondary crushing roller in the circumferential direction, and the secondary crushing teeth on the two sides are arranged in a staggered manner; the secondary crushing motor is arranged on the outer side wall of the secondary crushing cavity and rotates coaxially with the secondary crushing roller; the support frame set up in the bottom of casing.
Furthermore, the bottom surface of the coarse crushing cavity is in a slope shape, and the bottom surface of the coarse crushing cavity faces the top end of the secondary crushing cavity in an inclined manner.
Furthermore, the feed hopper is of a structure with a wide upper end and a narrow lower end, and is obliquely arranged; the position of the feed hopper is adapted to the top end position of the feed cavity.
Furthermore, go out the hopper and be the wide lower extreme narrow structure in upper end, the position of going out the hopper set up in the bottom in second grade crushing chamber.
Furthermore, the material distributing structure comprises a material distributing plate, a rotary drum, a fixed shaft, a rotary seat, a rotary shaft, a linkage rod, a crank shaft and a material distributing motor; the material distribution plate is arranged at the bottom end of the feed hopper, and the rotary drums are arranged on two sides of the bottom end of the material distribution plate and are fixedly arranged with the material distribution plate; the fixed shaft penetrates through the rotary drum, two ends of the fixed shaft are fixedly arranged with the side wall of the feeding cavity, and the fixed shaft and the rotary drum are rotatably arranged; the rotating seats are arranged on two sides of the top end of the material distributing plate and are fixedly arranged with the material distributing plate; the rotating shaft is arranged between the rotating seats on each side and is fixedly arranged with the rotating seats; the end part of the linkage rod is sleeved on the outer wall of the rotating shaft and rotates through a bearing; the crank shaft is arranged in the feeding cavity in a traversing mode, two ends of the crank shaft rotate with the shell through bearings, and the end part of each linkage rod is sleeved on the outer wall of the crank shaft and rotates through the bearings; the material distributing motor is fixedly arranged on the outer side wall of the feeding cavity, and the end part of the crank shaft and the material distributing motor rotate coaxially.
Further, divide the flitch center to be fretwork column structure, the central longitude and latitude of dividing the flitch is equipped with the reinforcing bar frame, the tip of reinforcing bar frame with the inside wall of dividing the flitch is fixed to be set up, divide the flitch with form the branch material hole between the reinforcing bar frame.
Furthermore, the arrangement direction of the coarse crushing roller is vertical to the arrangement direction of the fine crushing roller, the diameter of the coarse crushing roller is larger than that of the fine crushing roller, and the size of the single coarse crushing tooth is larger than that of the single fine crushing tooth.
Furthermore, the setting direction of the secondary crushing roller and the setting direction of the fine crushing roller are arranged in the same direction, the diameter of the secondary crushing roller is smaller than that of the fine crushing roller, and the size of the single secondary crushing tooth is smaller than that of the single fine crushing tooth.
Furthermore, one side top surface of support frame support in the bottom of coarse crushing motor, one side of support frame is the slant setting, laminate in the bottom surface in coarse crushing chamber, one side top surface of support frame support in the bottom surface in second grade crushing chamber encircles set up in go out the lateral wall of hopper.
The utility model has the advantages that:
the utility model discloses be multilayer formula structure with the structural design of breaker, through putting the material of equidimension not in branch material structure on carry out the branch passageway screening breakage, it is broken through the thin crushing roller to fall the direct whereabouts of the less material of size, it is broken to carry out the slant with the great material of size and fall into the thick crushing roller, and the material after leading to the primary crushing mixes the secondary crushing, reach ultimate material size, realized that the device carries out the crushing process to the material, the broken even degree of material has been guaranteed, the smoothness nature of crushing process has been promoted, crushing process efficiency has been improved. Meanwhile, the device is designed with a motor-driven vibration function aiming at the distribution structure, and the distribution plate is driven to rotate through the distribution motor to vibrate in a reciprocating rotation mode, so that smooth screening of materials on the distribution plate can be accelerated, and the smoothness of the screening process is high.
Drawings
Fig. 1 is a schematic view of the overall appearance structure of the present invention.
Fig. 2 is a schematic overall sectional structure diagram of the present invention.
Fig. 3 is a sectional view of the coarse crushing chamber of fig. 1 in the direction of a-a according to the present invention.
Fig. 4 is a schematic structural diagram of the powder structure of the present invention.
List of reference numerals:
the device comprises a shell 1, a feeding cavity 1-1, a fine crushing cavity 1-2, a coarse crushing cavity 1-3, a partition plate 1-4 and a secondary crushing cavity 1-5;
a feed hopper 2;
a discharge hopper 3;
the material distributing device comprises a material distributing structure 4, a material distributing plate 4-1, a rotary drum 4-2, a fixed shaft 4-3, a rotary seat 4-4, a rotary shaft 4-5, a linkage rod 4-6, a crank shaft 4-7, a material distributing motor 4-8, a steel bar frame 4-9 and a material distributing hole 4-10;
a fine crushing roller 5 and fine crushing teeth 5-1;
a fine crushing motor 6;
a coarse crushing roller 7 and coarse crushing teeth 7-1;
a coarse crushing motor 8;
a secondary crushing roller 9 and a secondary crushing tooth 9-1;
a secondary crushing motor 10;
a support frame 11.
Detailed Description
For making the technical scheme of the utility model clear more clearly and definitely, it is right to combine the drawing below the utility model discloses further describe, any is right the utility model discloses technical scheme's technical characteristic carries out the scheme that equivalent replacement and conventional reasoning reachs and all falls into the utility model discloses protection scope. The fixed connection, the fixed arrangement and the fixed structure mentioned in the embodiment are all known technologies known to those skilled in the art, such as welding, screw connection, bolt-nut connection, riveting and the like.
The waste asphalt mixture crushing device can be seen by combining the attached drawings, and comprises a shell 1, a feed hopper 2, a discharge hopper 3, a material distribution structure 4, a fine crushing roller 5, a fine crushing motor 6, a coarse crushing roller 7, a coarse crushing motor 8, a secondary crushing roller 9, a secondary crushing motor 10 and a support frame 11;
the shell 1 is of a hollow structure, the bottom end of the shell 1 is a feeding cavity 1-1, the bottom end of the feeding cavity 1-1 is a fine crushing cavity 1-2, one side of the fine crushing cavity 1-2 is a coarse crushing cavity 1-3, the coarse crushing cavity 1-3 is separated from the fine crushing cavity 1-2 through a partition plate 1-4, and the bottom end of the fine crushing cavity 1-2 is a secondary crushing cavity 1-5; the feed hopper 2 is arranged at the top end of the shell 1; the discharge hopper 3 is arranged at the bottom end of the shell 1; the material distributing structure 4 is arranged at the top end of the feeding cavity 1-1 and is obliquely arranged; the fine crushing rollers 5 are arranged in the fine crushing cavity 1-2 and symmetrically arranged at two sides, fine crushing teeth 5-1 are circumferentially arranged on the side wall of each fine crushing roller 5, and the fine crushing teeth 5-1 at two sides are arranged in a staggered manner; the fine crushing motor 6 is fixedly arranged on the outer side wall of the fine crushing cavity 1-2 and rotates coaxially with the fine crushing roller 5; the coarse crushing rollers 7 are arranged in the coarse crushing cavity 1-3 and symmetrically arranged on two sides, coarse crushing teeth 7-1 are circumferentially arranged on the side wall of each coarse crushing roller 7, and the coarse crushing teeth 7-1 on two sides are arranged in a staggered manner; the coarse crushing motor 8 is arranged on the outer side wall of the coarse crushing cavity 1-3 and rotates coaxially with the coarse crushing roller 7; the secondary crushing rollers 9 are arranged in the secondary crushing cavities 1-5 and symmetrically arranged on two sides, secondary crushing teeth 9-1 are circumferentially arranged on the side wall of each secondary crushing roller 9, and the secondary crushing teeth 9-1 on two sides are arranged in a staggered manner; the secondary crushing motor 10 is arranged on the outer side wall of the secondary crushing cavity 1-5 and rotates coaxially with the secondary crushing roller 9; the support frame 11 is arranged at the bottom end of the shell 1.
Furthermore, the bottom surface of the coarse crushing cavity 1-3 is in a slope shape, and the bottom surface of the coarse crushing cavity 1-3 is obliquely oriented to the top end of the secondary crushing cavity 1-5.
Further, the feed hopper 2 is of a structure with a wide upper end and a narrow lower end, and the feed hopper 2 is obliquely arranged; the position of the feed hopper 2 is adapted to the top end position of the feed cavity 1-1.
Furthermore, the discharge hopper 3 is of a structure with a wide upper end and a narrow lower end, and the discharge hopper 3 is arranged at the bottom end of the secondary crushing cavity 1-5.
Further, the material distributing structure 4 comprises a material distributing plate 4-1, a rotary drum 4-2, a fixed shaft 4-3, a rotary seat 4-4, a rotary shaft 4-5, a linkage rod 4-6, a crank shaft 4-7 and a material distributing motor 4-8; the material distributing plate 4-1 is arranged at the bottom end of the feed hopper 2, and the rotary drum 4-2 is arranged at two sides of the bottom end of the material distributing plate 4-1 and is fixedly arranged with the material distributing plate 4-1; the fixed shaft 4-3 penetrates through the rotary drum 4-2, two ends of the fixed shaft 4-3 are fixedly arranged with the side wall of the feeding cavity 1-1, and the fixed shaft 4-3 and the rotary drum are rotatably arranged; the rotating seats 4-4 are arranged on two sides of the top end of the material distributing plate 4-1 and are fixedly arranged with the material distributing plate 4-1; the rotating shaft 4-5 is arranged between the rotating seats 4-4 on each side and is fixedly arranged with the rotating seats 4-4; the end part of the linkage rod 4-6 is sleeved on the outer wall of the rotating shaft 4-5 and rotates through a bearing; the crank shafts 4-7 are transversely arranged in the feeding cavity 1-1, two ends of each crank shaft 4-7 rotate with the shell 1 through bearings, and the end part of each linkage rod 4-6 is sleeved on the outer wall of each crank shaft 4-7 and rotates through a bearing; the material distributing motor 4-8 is fixedly arranged on the outer side wall of the feeding cavity 1-1, and the end part of the crank shaft 4-7 and the material distributing motor 4-8 rotate coaxially.
Furthermore, the center of the material distributing plate 4-1 is of a hollow structure, a reinforcing steel bar frame 4-9 is arranged at the center longitude and latitude of the material distributing plate 4-1, the end part of the reinforcing steel bar frame 4-9 is fixedly arranged with the inner side wall of the material distributing plate 4-1, and a material distributing hole 4-10 is formed between the material distributing plate 4-1 and the reinforcing steel bar frame 4-9.
Further, the direction of the coarse crushing roller 7 is perpendicular to the direction of the fine crushing roller 5, the diameter of the coarse crushing roller 7 is larger than that of the fine crushing roller 5, and the size of the single coarse crushing tooth 7-1 is larger than that of the single fine crushing tooth 5-1.
Further, the direction of the secondary crushing roller 9 is the same as the direction of the fine crushing roller 5, the diameter of the secondary crushing roller 9 is smaller than that of the fine crushing roller 5, and the size of the single secondary crushing tooth 9-1 is smaller than that of the single fine crushing tooth 5-1.
Furthermore, one side top surface of the support frame 11 is supported at the bottom end of the coarse crushing motor 8, one side of the support frame 11 is obliquely arranged and attached to the bottom surfaces of the coarse crushing cavities 1 to 3, and one side top surface of the support frame 11 is supported at the bottom surfaces of the secondary crushing cavities 1 to 5 and is arranged around the side wall of the discharge hopper 3.
The structure principle of the utility model is that:
the materials with smaller size directly fall into a fine crushing cavity through powder holes and vertically fall into a secondary crushing cavity through the rotary extrusion and shearing grinding effects of fine crushing rollers and fine crushing teeth on two sides; larger-size materials are stagnated on the reinforcing steel bar frame and fall to the top surface of the coarse crushing cavity through the inclination of the material distribution plate, meanwhile, the material distribution structure is in an operating state, the material distribution motor drives the crank shaft to rotate, the crank shaft drives the linkage rod to rotate, the linkage rod is linked with the rotating shaft to move, the material distribution plate drives the reinforcing steel bar to do reciprocating rotating motion by taking the fixed shaft as the center, the material distribution plate drives the materials on the reinforcing steel bar net to shake and slide downwards, the materials fall between two coarse crushing rollers of the coarse crushing cavity and are crushed by the coarse crushing teeth under the rotating extruding and shearing grinding effects, the materials fall to the bottom end of the coarse crushing cavity and slide obliquely into the secondary crushing cavity, and the materials and the crushed materials in the fine crushing cavity enter the secondary crushing rollers to be crushed, and finally, asphalt materials with proper size are formed and.
The utility model has the advantages that:
the utility model discloses be multilayer formula structure with the structural design of breaker, through putting the material of equidimension not in branch material structure on carry out the branch passageway screening breakage, it is broken through the thin crushing roller to fall the direct whereabouts of the less material of size, it is broken to carry out the slant with the great material of size and fall into the thick crushing roller, and the material after leading to the primary crushing mixes the secondary crushing, reach ultimate material size, realized that the device carries out the crushing process to the material, the broken even degree of material has been guaranteed, the smoothness nature of crushing process has been promoted, crushing process efficiency has been improved. Meanwhile, the device is designed with a motor-driven vibration function aiming at the distribution structure, and the distribution plate is driven to rotate through the distribution motor to vibrate in a reciprocating rotation mode, so that smooth screening of materials on the distribution plate can be accelerated, and the smoothness of the screening process is high.
Claims (9)
1. A waste asphalt mixture crushing device is characterized by comprising a shell (1), a feed hopper (2), a discharge hopper (3), a material distribution structure (4), a fine crushing roller (5), a fine crushing motor (6), a coarse crushing roller (7), a coarse crushing motor (8), a secondary crushing roller (9), a secondary crushing motor (10) and a support frame (11);
the shell (1) is of a hollow structure, the bottom end of the shell (1) is a feeding cavity (1-1), the bottom end of the feeding cavity (1-1) is a fine crushing cavity (1-2), one side of the fine crushing cavity (1-2) is a coarse crushing cavity (1-3), the coarse crushing cavity (1-3) and the fine crushing cavity (1-2) are separated through a partition plate (1-4), and the bottom end of the fine crushing cavity (1-2) is a secondary crushing cavity (1-5); the feed hopper (2) is arranged at the top end of the shell (1); the discharge hopper (3) is arranged at the bottom end of the shell (1); the material distribution structure (4) is arranged at the top end of the feeding cavity (1-1) and is obliquely arranged; the fine crushing rollers (5) are arranged in the fine crushing cavity (1-2) and symmetrically arranged at two sides, fine crushing teeth (5-1) are circumferentially arranged on the side wall of each fine crushing roller (5), and the fine crushing teeth (5-1) at two sides are arranged in a staggered manner; the fine crushing motor (6) is fixedly arranged on the outer side wall of the fine crushing cavity (1-2) and rotates coaxially with the fine crushing roller (5); the coarse crushing rollers (7) are arranged in the coarse crushing cavity (1-3) and symmetrically arranged on two sides, coarse crushing teeth (7-1) are circumferentially arranged on the side wall of each coarse crushing roller (7), and the coarse crushing teeth (7-1) on two sides are arranged in a staggered manner; the coarse crushing motor (8) is arranged on the outer side wall of the coarse crushing cavity (1-3) and rotates coaxially with the coarse crushing roller (7); the secondary crushing rollers (9) are arranged in the secondary crushing cavities (1-5) and symmetrically arranged on two sides, secondary crushing teeth (9-1) are circumferentially arranged on the side wall of each secondary crushing roller (9), and the secondary crushing teeth (9-1) on two sides are arranged in a staggered manner; the secondary crushing motor (10) is arranged on the outer side wall of the secondary crushing cavity (1-5) and rotates coaxially with the secondary crushing roller (9); the support frame (11) is arranged at the bottom end of the shell (1).
2. The waste asphalt mixture crushing device according to claim 1, wherein the bottom surface of the primary crushing cavity (1-3) is slope-shaped, and the bottom surface of the primary crushing cavity (1-3) is inclined towards the top end of the secondary crushing cavity (1-5).
3. The waste asphalt mixture crushing device according to claim 1, wherein the feed hopper (2) is of a structure with a wide upper end and a narrow lower end, and the feed hopper (2) is obliquely arranged; the position of the feed hopper (2) is adapted to the top end position of the feed cavity (1-1).
4. The waste asphalt mixture crushing device according to claim 1, wherein the discharge hopper (3) is of a structure with a wide upper end and a narrow lower end, and the discharge hopper (3) is arranged at the bottom end of the secondary crushing cavity (1-5).
5. The waste asphalt mixture crushing device according to claim 1, wherein the material distributing structure (4) comprises a material distributing plate (4-1), a rotary drum (4-2), a fixed shaft (4-3), a rotary seat (4-4), a rotary shaft (4-5), a linkage rod (4-6), a crank shaft (4-7) and a material distributing motor (4-8); the material distributing plate (4-1) is arranged at the bottom end of the feed hopper (2), and the rotary drums (4-2) are arranged on two sides of the bottom end of the material distributing plate (4-1) and are fixedly arranged with the material distributing plate (4-1); the fixed shaft (4-3) penetrates through the rotary drum (4-2), two ends of the fixed shaft (4-3) are fixedly arranged with the side wall of the feeding cavity (1-1), and the fixed shaft (4-3) and the rotary drum are rotatably arranged; the rotating seats (4-4) are arranged on two sides of the top end of the material distributing plate (4-1) and are fixedly arranged with the material distributing plate (4-1); the rotating shafts (4-5) are arranged between the rotating seats (4-4) on each side and are fixedly arranged with the rotating seats (4-4); the end part of the linkage rod (4-6) is sleeved on the outer wall of the rotating shaft (4-5) and rotates through a bearing; the crank shafts (4-7) are transversely arranged in the feeding cavity (1-1), two ends of each crank shaft (4-7) are rotated with the shell (1) through bearings, and the end part of each linkage rod (4-6) is sleeved on the outer wall of each crank shaft (4-7) and is rotated through the bearings; the material distributing motor (4-8) is fixedly arranged on the outer side wall of the feeding cavity (1-1), and the end part of the crank shaft (4-7) and the material distributing motor (4-8) rotate coaxially.
6. The waste asphalt mixture crushing device according to claim 5, wherein the center of the material distributing plate (4-1) is of a hollow structure, a reinforcing steel frame (4-9) is arranged at the longitude and latitude of the center of the material distributing plate (4-1), the end part of the reinforcing steel frame (4-9) is fixedly arranged with the inner side wall of the material distributing plate (4-1), and a material distributing hole (4-10) is formed between the material distributing plate (4-1) and the reinforcing steel frame (4-9).
7. The waste asphalt mixture crushing device according to claim 1, wherein the arrangement direction of the coarse crushing roller (7) is vertical to the arrangement direction of the fine crushing roller (5), the diameter of the coarse crushing roller (7) is larger than that of the fine crushing roller (5), and the size of the single coarse crushing tooth (7-1) is larger than that of the single fine crushing tooth (5-1).
8. The waste asphalt mixture crushing device according to claim 1, wherein the secondary crushing roller (9) is arranged in the same direction as the fine crushing roller (5), the diameter of the secondary crushing roller (9) is smaller than that of the fine crushing roller (5), and the size of the single secondary crushing tooth (9-1) is smaller than that of the single fine crushing tooth (5-1).
9. The waste asphalt mixture crushing device according to claim 1, wherein one side of the support frame (11) is supported at the bottom end of the coarse crushing motor (8), one side of the support frame (11) is obliquely arranged and attached to the bottom surface of the coarse crushing cavity (1-3), and one side of the support frame (11) is supported at the bottom surface of the secondary crushing cavity (1-5) and is arranged around the side wall of the discharge hopper (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124306.5U CN212791135U (en) | 2020-06-17 | 2020-06-17 | Waste asphalt mixture crushing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021124306.5U CN212791135U (en) | 2020-06-17 | 2020-06-17 | Waste asphalt mixture crushing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212791135U true CN212791135U (en) | 2021-03-26 |
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ID=75096936
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021124306.5U Active CN212791135U (en) | 2020-06-17 | 2020-06-17 | Waste asphalt mixture crushing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212791135U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089406A (en) * | 2021-05-15 | 2021-07-09 | 广东中南建设有限公司 | Construction method for green upgrading and reconstruction of old cement concrete pavement |
-
2020
- 2020-06-17 CN CN202021124306.5U patent/CN212791135U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113089406A (en) * | 2021-05-15 | 2021-07-09 | 广东中南建设有限公司 | Construction method for green upgrading and reconstruction of old cement concrete pavement |
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