Asphalt concrete mixing device

By designing an asphalt concrete mixing device with staggered rotating mixing rods and crushing protrusions, the problem of large-grain gravel that needs to be screened first in the prior art is solved, efficient stirring and uniform mixing are achieved, and the mixing efficiency is improved and raw material waste is avoided.

CN222744728UActive Publication Date: 2025-04-11LIANYUNGANG YUSHAN CONSTRUCTION ENGINEERING CO LTD
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Patent Information

Application Number
CN202421469028.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-26
Publication Date
2025-04-11
Estimated Expiration
2034-06-26

AI Technical Summary

Technical Problem

The existing asphalt concrete mixing device needs to be screened to remove large particles of gravel during stirring, which affects the mixing efficiency.

Method used

A bituminous concrete mixing device including a tank body, first and second mounting plates, active and driven gears, a stirring rod and a crushing protrusion is designed to crush large particles of granules during the stirring process by the staggered rotation of the stirring rod and the crushing protrusion.

Benefits of technology

It realizes efficient stirring of asphalt concrete without first screening, improves the mixing efficiency, and makes the crushed particles evenly mix with the asphalt concrete, avoiding waste of raw materials.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of asphalt concrete processing, and specifically discloses an asphalt concrete mixing device, including a tank body, a first mounting plate installed on the top of the tank body, a first driving shaft rotatably installed on the bottom of the first mounting plate, a first driving gear installed on the outer wall of the first driving shaft, and a plurality of first driven shafts rotatably installed on the bottom of the first mounting plate. The utility model can utilize the crushing protrusions on the outer wall of the stirring rod to crush the large-grained gravel in the asphalt concrete located between the first driven shaft and the second driven shaft, and can crush the large-grained gravel in the asphalt concrete while stirring the asphalt concrete. When stirring the asphalt concrete, it does not need to screen the asphalt concrete in advance and can stir it. When stirring the asphalt concrete, it saves the step of screening the asphalt concrete, thereby improving the stirring efficiency of the asphalt concrete.
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Description

Technical Field

[0001] The utility model relates to the technical field of asphalt concrete processing, in particular to an asphalt concrete stirring device. Background Art

[0002] Asphalt concrete, commonly known as asphalt concrete, is a mixture made by artificially selecting mineral materials with a certain graded composition (crushed stone or crushed gravel, stone chips or sand, mineral powder, etc.) and a certain proportion of road asphalt materials under strictly controlled conditions.

[0003] After searching, it was found that the Chinese patent with application number 201920763579.5 disclosed "an asphalt concrete mixing device, including a mounting base, a supporting foot, a mixing device body, a fixed block, a connecting block, a moving block, a jack, a latch, a sealing block, a hinge, an auxiliary block, a shell, a motor, a bracket and a cleaning mechanism, the bottom of the mounting base is fixedly connected to the supporting foot, the top of the mounting base is fixedly connected to the mixing device body, the top of the mixing device body is fixedly connected to the fixed block, the top of the fixed block is fixedly connected to the connecting block, and the outside of the connecting block is placed A moving block is arranged, a socket is opened on the front side of the moving block, a pin which penetrates into the interior of the connecting block is inserted into the inside of the socket, and a sealing block is fixedly connected to the right end of the moving block. However, when the asphalt concrete is stirred by the above-mentioned asphalt concrete mixing device, it is necessary to first screen and remove the granular gravel in the asphalt concrete to avoid the asphalt concrete containing large particles of gravel after stirring and affecting the quality of the asphalt concrete. However, the screening of the asphalt concrete affects the mixing efficiency of the asphalt concrete. Therefore, in order to solve such problems, an asphalt concrete mixing device is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes an asphalt concrete mixing device.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] An asphalt concrete mixing device comprises a tank body, wherein a first mounting plate is installed on the top of the tank body, a first driving shaft is rotatably mounted on the bottom of the first mounting plate, a first driving gear is installed on the outer wall of the first driving shaft, a plurality of first driven shafts are rotatably mounted on the bottom of the first mounting plate, a first driven gear meshing with the first driving gear is installed on the outer wall of the first driven shaft, a second mounting plate is installed on the bottom of the tank body, a second driving shaft is rotatably mounted on the top of the second mounting plate, a second driving gear is installed on the outer wall of the second driving shaft, a plurality of second driven shafts are rotatably mounted on the top of the second mounting plate, a second driven gear meshing with the second driving gear is installed on the outer wall of the second driven shaft, the first driving shaft, the second driving shaft, the first driven shaft and the second driven shaft are all inserted into the tank body, a stirring rod is installed on the outer wall of the first driving shaft, a crushing protrusion is installed on the outer wall of the stirring rod, a plurality of first driven shafts and a plurality of second driven shafts are staggered, and the first driven shaft and the second driven shaft rotate in opposite directions.

[0007] Preferably, the tank body is provided with a first fixing frame of Anzu Aviation Oil on the top, and the first mounting plate is installed at the end of the first fixing frame.

[0008] Preferably, a first motor is installed at the bottom of the first mounting plate, and an output shaft of the first motor is connected to the first driving shaft.

[0009] Preferably, a plurality of first bearings are installed in a ring shape at the bottom of the first mounting plate, the top end of the first driven shaft is installed in the inner ring of the first bearing, a plurality of fourth bearings are installed in a ring shape on the bottom wall of the tank body, and the bottom end of the first driven shaft is installed in the inner ring of the fourth bearing.

[0010] Preferably, a second fixing frame is installed at the bottom of the tank body, and the second mounting plate is installed at the end of the second fixing frame.

[0011] Preferably, a second motor is installed on the top of the second mounting plate, and an output shaft of the second motor is connected to the second driving shaft.

[0012] Preferably, a plurality of second bearings are mounted in a ring shape on the top of the second mounting plate, the bottom end of the second driven shaft is mounted in the second bearing, a plurality of third bearings are mounted in a ring shape on the top wall of the tank body, and the top end of the second driven shaft is mounted on the inner ring of the third bearing.

[0013] Preferably, a feed port is provided at the top of the outer wall of the tank body, a first sealing plate is hingedly provided on the outer wall of the tank body for opening and closing the feed port, a discharge port is provided at the bottom of the outer wall of the tank body, a second sealing plate is hingedly provided on the outer wall of the tank body for opening and closing the discharge port, a support plate is installed at the bottom of the tank body, a mounting ring is installed at the bottom of the support plate, and a mounting hole is provided on the mounting ring.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1: In the utility model, the stirring directions of the stirring rod on the outer wall of the first driven shaft and the stirring rod on the outer wall of the second driven shaft are opposite, and a plurality of first driven shafts and a plurality of second driven shafts are staggered with each other, and the crushing protrusions on the outer wall of the stirring rod can be used to crush the large-particle crushed stone in the asphalt concrete located between the first driven shaft and the second driven shaft, and the large-particle crushed stone in the asphalt concrete can be crushed while the asphalt concrete is being stirred. When the asphalt concrete is stirred, there is no need to screen the asphalt concrete in advance before stirring it, and the screening step of the asphalt concrete is omitted when stirring the asphalt concrete, thereby improving the stirring efficiency of the asphalt concrete.

[0016] 2: In the utility model, while the asphalt concrete is being stirred, the large-particle gravel in the asphalt concrete is crushed so that the crushed large-particle gravel and the asphalt concrete are mixed evenly, which not only improves the mixing efficiency of the asphalt concrete, but also can reuse the crushed large-particle gravel to mix the crushed large-particle gravel and the asphalt concrete evenly, thus avoiding waste of raw materials. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of an asphalt concrete mixing device proposed by the utility model from a first perspective;

[0018] Figure 2 This is a structural schematic diagram of an asphalt concrete mixing device proposed by the utility model from a second perspective;

[0019] Figure 3 A schematic diagram of the connection between a tank body and a first fixing frame of an asphalt concrete mixing device proposed in the utility model;

[0020] Figure 4 A schematic diagram of the connection between a tank body and a second fixing frame of an asphalt concrete mixing device proposed by the utility model;

[0021] Figure 5 This is a partial cross-sectional view of a tank body of an asphalt concrete mixing device proposed by the utility model.

[0022] In the figure: 1. tank body; 2. first sealing plate; 3. second sealing plate; 4. support plate; 5. mounting ring; 6. mounting hole; 7. first fixing frame; 8. first mounting plate; 9. first driving shaft; 10. first driving gear; 11. first driven shaft; 12. first driven gear; 13. second fixing frame; 14. second mounting plate; 15. feed port; 16. discharge port; 17. first motor; 18. first bearing; 19. stirring rod; 20. second motor; 21. second driving shaft; 22. second driving gear; 23. second driven shaft; 24. second driven gear; 25. second bearing; 26. third bearing; 27. fourth bearing. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0024] Reference Figure 1-5 An asphalt concrete mixing device includes a tank body 1, a first mounting plate 8 is mounted on the top of the tank body 1, a first driving shaft 9 is rotatably mounted on the bottom of the first mounting plate 8, a first driving gear 10 is mounted on the outer wall of the first driving shaft 9, a plurality of first driven shafts 11 are rotatably mounted on the bottom of the first mounting plate 8, a first driven gear 12 meshing with the first driving gear 10 is mounted on the outer wall of the first driven shaft 11, a second mounting plate 14 is mounted on the bottom of the tank body 1, a second driving shaft 21 is rotatably mounted on the top of the second mounting plate 14, a second driving gear 22 is mounted on the outer wall of the second driving shaft 21, and the second mounting plate 14 A plurality of second driven shafts 23 are installed in a circular rotation on the top, and a second driven gear 24 meshing with the second driving gear 22 is installed on the outer wall of the second driven shaft 23. The first driving shaft 9, the second driving shaft 21, the first driven shaft 11 and the second driven shaft 23 are all inserted into the tank body 1, and stirring rods 19 are installed on the outer walls of the first driving shaft 9, the second driving shaft 21, the first driven shaft 11 and the second driven shaft 23. A crushing protrusion is installed on the outer wall of the stirring rod 19, and a plurality of first driven shafts 11 and a plurality of second driven shafts 23 are staggered with each other, and the first driven shaft 11 and the second driven shaft 23 rotate in opposite directions.

[0025] As a technical optimization solution of the utility model, the first fixing frame 7 of Anzu Aviation Oil is installed on the top of the tank body 1, and the first mounting plate 8 is installed at the end of the first fixing frame 7. The first fixing frame 7 can facilitate the connection between the first mounting plate 8 and the tank body 1.

[0026] As a technical optimization solution of the utility model, a first motor 17 is installed at the bottom of the first mounting plate 8, and the output shaft of the first motor 17 is connected to the first driving shaft 9, so that the output shaft of the first motor 17 can easily drive the first driving shaft 9 to rotate.

[0027] As a technical optimization solution of the utility model, a plurality of first bearings 18 are installed in a ring shape at the bottom of the first mounting plate 8, the top end of the first driven shaft 11 is installed on the inner ring of the first bearing 18, a plurality of fourth bearings 27 are installed in a ring shape on the inner bottom wall of the tank body 1, and the bottom end of the first driven shaft 11 is installed on the inner ring of the fourth bearing 27.

[0028] As a technical optimization solution of the utility model, a second fixing frame 13 is installed at the bottom of the tank body 1, and a second mounting plate 14 is installed at the end of the second fixing frame 13. The second fixing frame 13 can facilitate the connection between the second mounting plate 14 and the tank body 1.

[0029] As a technical optimization solution of the utility model, a second motor 20 is installed on the top of the second mounting plate 14, and the output shaft of the second motor 20 is connected to the second driving shaft 21, so that the output shaft of the second motor 20 can easily drive the second driving shaft 21 to rotate.

[0030] As a technical optimization solution of the utility model, a plurality of second bearings 25 are installed in a ring shape on the top of the second mounting plate 14, the bottom end of the second driven shaft 23 is installed in the second bearing 25, a plurality of third bearings 26 are installed in a ring shape on the inner top wall of the tank body 1, and the top end of the second driven shaft 23 is installed on the inner ring of the third bearing 26.

[0031] As a technical optimization scheme of the utility model, a feed port 15 is provided at the top of the outer wall of the tank body 1, a first sealing plate 2 for opening and closing the feed port 15 is hingedly connected to the outer wall of the tank body 1, a discharge port 16 is provided at the bottom of the outer wall of the tank body 1, a second sealing plate 3 for opening and closing the discharge port 16 is hingedly connected to the outer wall of the tank body 1, a support plate 4 is installed at the bottom of the tank body 1, a mounting ring 5 is installed at the bottom of the support plate 4, a mounting hole 6 is provided on the mounting ring 5, the discharge port 16 can facilitate the discharge of the asphalt concrete after mixing, and the coordinated use of the support plate 4 and the mounting ring 5 can facilitate the support of the device, and the mounting hole 6 can facilitate the fixation of the mounting ring 5, thereby facilitating the installation of the device.

[0032] When the utility model is used, when the asphalt concrete needs to be stirred, the first sealing plate 2 is first opened, the asphalt concrete to be stirred is poured into the tank body 1 through the feed port 15, and the first sealing plate 2 is closed to close the feed port 15.

[0033] At this time, the first motor 17 and the second motor 20 are started at the same time, and the first driving shaft 9 rotates clockwise, and the second driving shaft 21 rotates counterclockwise. The first driving shaft 9 drives the first driving gear 10 to rotate clockwise, so that the first driven gear 12 meshing with the first driving gear 10 rotates counterclockwise, and then the first driven shafts 11 rotate counterclockwise, and the second driving shaft 21 rotates counterclockwise to drive the second driving gear 22 to rotate counterclockwise, so that the second driven gear 24 meshing with the second driving gear 22 rotates clockwise, so that if The second driven shafts 23 rotate clockwise, and the first driven shafts 11 rotate counterclockwise and the second driven shafts 23 rotate clockwise, so that the first driven shafts 11 and the second driven shafts 23 rotate in opposite directions, and the stirring rods 19 on the outer walls of the first driven shafts 11 and the second driven shafts 23 rotate in opposite directions. The asphalt concrete can be stirred by using the stirring rods 19 on the outer walls of the first driven shafts 11 and the stirring rods 19 on the outer walls of the second driven shafts 23 in opposite directions, so that the asphalt concrete can be stirred more evenly.

[0034] The stirring rods 19 on the outer walls of the first driven shaft 11 and the second driven shaft 23 rotate in opposite directions, and the stirring directions of the stirring rods 19 on the outer walls of the first driven shaft 11 and the second driven shaft 23 are opposite. A plurality of first driven shafts 11 and a plurality of second driven shafts 23 are arranged alternately. The crushing protrusions on the outer walls of the stirring rods 19 can be used to crush large-particle crushed stones in the asphalt concrete between the first driven shaft 11 and the second driven shaft 23. The large-particle crushed stones in the asphalt concrete can be crushed while the asphalt concrete is being stirred. When asphalt concrete is mixed, it is not necessary to screen the asphalt concrete in advance before mixing it. The screening step of asphalt concrete is omitted when mixing the asphalt concrete, thereby improving the mixing efficiency of the asphalt concrete. While mixing the asphalt concrete, the large-particle gravel in the asphalt concrete is crushed so that the crushed large-particle gravel and the asphalt concrete are mixed evenly. This not only improves the mixing efficiency of the asphalt concrete, but also the crushed large-particle gravel can be reused to mix the crushed large-particle gravel with the asphalt concrete evenly, thereby avoiding waste of raw materials.

[0035] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An asphalt concrete mixing device, comprising a tank body (1), characterized in that: The tank body (1) is provided with a first mounting plate (8) at the top, a first driving shaft (9) is rotatably mounted at the bottom of the first mounting plate (8), a first driving gear (10) is mounted on the outer wall of the first driving shaft (9), a plurality of first driven shafts (11) are rotatably mounted at the bottom of the first mounting plate (8), a first driven gear (12) meshing with the first driving gear (10) is mounted on the outer wall of the first driven shaft (11), a second mounting plate (14) is rotatably mounted at the top of the second mounting plate (14), a second driving shaft (21) is mounted on the outer wall of the second driving shaft (21), and a second driving gear (22) is mounted on the top of the second mounting plate (14) A plurality of second driven shafts (23) are provided, and a second driven gear (24) meshing with a second driving gear (22) is installed on the outer wall of the second driven shaft (23); the first driving shaft (9), the second driving shaft (21), the first driven shaft (11) and the second driven shaft (23) are all inserted into the tank body (1); stirring rods (19) are installed on the outer walls of the first driving shaft (9), the second driving shaft (21), the first driven shaft (11) and the second driven shaft (23); a crushing protrusion is installed on the outer wall of the stirring rod (19); a plurality of first driven shafts (11) and a plurality of second driven shafts (23) are arranged in an interlaced manner, and the first driven shaft (11) and the second driven shaft (23) rotate in opposite directions.

2. An asphalt concrete mixing device according to claim 1, characterized in that: The tank body (1) has a first fixing frame (7) for Anzu aviation oil on the top, and a first mounting plate (8) is mounted on the end of the first fixing frame (7).

3. An asphalt concrete mixing device according to claim 1, characterized in that: A first motor (17) is installed at the bottom of the first mounting plate (8), and an output shaft of the first motor (17) is connected to the first driving shaft (9).

4. An asphalt concrete mixing device according to claim 1, characterized in that: A plurality of first bearings (18) are mounted in a ring shape on the bottom of the first mounting plate (8), the top end of the first driven shaft (11) is mounted on the inner ring of the first bearing (18), a plurality of fourth bearings (27) are mounted in a ring shape on the inner bottom wall of the tank body (1), and the bottom end of the first driven shaft (11) is mounted on the inner ring of the fourth bearing (27).

5. The asphalt concrete mixing device according to claim 1, characterized in that: A second fixing frame (13) is installed at the bottom of the tank body (1), and a second mounting plate (14) is installed at the end of the second fixing frame (13).

6. An asphalt concrete mixing device according to claim 1, characterized in that: A second motor (20) is installed on the top of the second mounting plate (14), and an output shaft of the second motor (20) is connected to a second driving shaft (21).

7. An asphalt concrete mixing device according to claim 1, characterized in that: A plurality of second bearings (25) are mounted in an annular shape on the top of the second mounting plate (14), the bottom end of the second driven shaft (23) is mounted in the second bearing (25), a plurality of third bearings (26) are mounted in an annular shape on the inner top wall of the tank body (1), and the top end of the second driven shaft (23) is mounted on the inner ring of the third bearing (26).

8. The asphalt concrete mixing device according to claim 1, characterized in that: The outer wall of the tank body (1) is provided with a feed port (15) at the top, the outer wall of the tank body (1) is hinged with a first sealing plate (2) for opening and closing the feed port (15), the outer wall of the tank body (1) is provided with a discharge port (16) at the bottom, the outer wall of the tank body (1) is hinged with a second sealing plate (3) for opening and closing the discharge port (16), the bottom of the tank body (1) is provided with a support plate (4), the bottom of the support plate (4) is provided with a mounting ring (5), and the mounting ring (5) is provided with a mounting hole (6).

Citation Information

Patent Citations

  • Asphalt concrete stirring device

    CN210552103U