Crushing and stirring device for asphalt concrete production

By introducing mechanisms such as drive motors and pneumatic cylinders into the crushing and mixing device, automatic cleaning and unloading of solidified asphalt concrete is achieved, and the problem of manual cleaning in the prior art increases cost and time and improves production efficiency.

CN222313707UActive Publication Date: 2025-01-07HEBEI QINFENG ROAD & BRIDGE ENG CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202420668192.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-02
Publication Date
2025-01-07
Estimated Expiration
2034-04-02

AI Technical Summary

Technical Problem

The existing crushing and mixing devices require manual operation when cleaning solidified asphalt concrete, which increases cost and time and lacks automatic cleaning function.

Method used

A knocking mechanism including a driving motor, a rotating block, a circular shaft and a T-shaped block is designed. By driving the motor to drive the rotating block and a circular shaft to rotate, the T-shaped block moves to the left to knock on the body of the crushing and stirring device to achieve solidification. The drop of asphalt concrete is cleaned and automatic discharge is achieved through pneumatic cylinders, connecting plates and baffles.

Benefits of technology

It effectively solves the problem that solidified asphalt concrete is difficult to clean, reduces the manual cleaning and unloading process, and improves the practicality of the device and the unloading efficiency of asphalt concrete.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222313707U_ABST
    Figure CN222313707U_ABST
Patent Text Reader

Abstract

The utility model relates to the technical field of crushing and stirring devices, and provides a crushing and stirring device for asphalt concrete production, which is characterized in that the top of a supporting rod is fixedly connected with a circular truncated cone, and a crushing and stirring device body is fixedly sleeved in the circular truncated cone; the crushing and stirring device comprises a crushing and stirring device body, the top and the bottom of the crushing and stirring device body penetrate through a circular truncated cone and extend to the upper portion and the lower portion of the circular truncated cone, a sliding groove is formed in the outer surface of the crushing and stirring device body, a movable block is movably connected to the inner surface of the sliding groove, and a connecting block is fixedly connected to the front face of the movable block. The knocking mechanism is arranged on the right side of the connecting block; and the knocking mechanism comprises a driving motor, the left side of the driving motor is fixedly connected with the right side of the connecting block, and the other end of an output shaft of the driving motor is fixedly connected with a rotating shaft in a sleeving mode. According to the technical scheme, the problem that solidified asphalt concrete is not easy to clean in the prior art is solved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of crushing and stirring devices, and specifically relates to a crushing and stirring device for asphalt concrete production. Background Art

[0002] Asphalt concrete, commonly known as asphalt concrete, is a mixture made by artificially selecting mineral materials with a certain graded composition, such as 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] When asphalt concrete is produced, a crushing and mixing device is often used. In actual use, although the existing crushing and mixing devices can realize the basic crushing and mixing functions, they generally do not have the function of cleaning the solidified concrete on the inner wall. When cleaning the solidified asphalt concrete on the inner wall, it is necessary to use tools manually to clean it. This cleaning method not only increases the labor cost, but also increases the cleaning time, so it needs to be improved. Utility Model Content

[0004] The utility model provides a crushing and stirring device for asphalt concrete production, which solves the problem that solidified asphalt concrete is difficult to clean in the related technology.

[0005] The technical solution of the utility model is as follows: A crushing and stirring device for asphalt concrete production includes:

[0006] A support rod, the top of which is fixedly connected with a truncated table, the interior of which is fixedly sleeved with a crushing and stirring device body, the top and bottom of which penetrate the truncated table and extend to the top and bottom of the truncated table, the outer surface of which is provided with a slide groove, the inner surface of which is movably connected with a movable block, and the front surface of which is fixedly connected with a connecting block;

[0007] A knocking mechanism, wherein the knocking mechanism is arranged on the right side of the connecting block;

[0008] Wherein, the knocking mechanism includes a driving motor, the left side of the driving motor is fixedly connected to the right side of the connecting block, the other end of the output shaft of the driving motor is fixedly sleeved with a rotating shaft, the outer surface of the rotating shaft is fixedly sleeved with a rotating block, the other end of the rotating block is fixedly sleeved with a round shaft, the outer surface of the round shaft is movably connected with a T-block, the outer surface of the T-block is movably connected to the inner wall of the movable block, and the T-block moves to the left to knock the crushing and stirring device body.

[0009] As a preferred technical solution of the utility model, a stirring motor is fixedly connected to the top of the crushing and stirring device body, a stirring shaft is fixedly sleeved on the other end of the output shaft of the stirring motor, and the bottom of the stirring shaft penetrates the crushing and stirring device body and extends to the interior of the crushing and stirring device body and is fixedly connected with a stirring blade.

[0010] As a preferred technical solution of the utility model, the top of the crushing and stirring device body is fixedly installed with a first feed inlet and a second feed inlet located on the left and right sides of the stirring motor, the tops of the first feed inlet and the second feed inlet are hinged with a cover plate, and the top of the cover plate is fixedly connected with a handle.

[0011] As a preferred technical solution of the utility model, a crushing motor located on the left side of the first feed port is fixedly connected to the top of the crushing and stirring device body, and the other end of the crushing motor output shaft is fixedly sleeved with a rotating shaft, the right end of the rotating shaft passes through the first feed port and extends to the interior of the first feed port and is fixedly sleeved with a second crushing roller, the outer surface of the second crushing roller is movably connected to the inner wall of the first feed port, the outer surface of the rotating shaft is fixedly sleeved with a first gear, and the outer surface of the first gear is movably connected to the outer surface of the first feed port.

[0012] As a preferred technical solution of the present utility model, the outer surface of the first gear is meshingly connected with the second gear, the outer surface of the second gear is movably connected to the outer surface of the first feed port, the interior of the second gear is fixedly sleeved with a movable shaft, the right end of the movable shaft passes through the first feed port and extends to the interior of the first feed port and is fixedly sleeved with a first crushing roller, the outer surface of the first crushing roller is movably connected to the inner wall of the first feed port, and the outer surface of the first crushing roller is meshingly connected with the outer surface of the second crushing roller.

[0013] As a preferred technical solution of the utility model, a pneumatic cylinder is fixedly connected to the bottom of the truncated table, a connecting plate is fixedly connected to the left side of the pneumatic cylinder, a connecting rod is hinged to the left side of the connecting plate, there are two connecting rods, the other ends of the two connecting rods are hinged with baffles, there are two baffles, the outer surfaces of the two baffles are movably connected with a discharge port, the top of the discharge port is fixedly connected to the bottom of the crushing and stirring device body, and the two baffles move away from each other to release the sealing effect of the discharge port.

[0014] As a preferred technical solution of the utility model, the number of the support rods is four, the four support rods have the same size, and the four support rods are symmetrical with respect to the center of the truncated cone.

[0015] The beneficial effects of the utility model are:

[0016] 1. In the utility model, a driving motor, a rotating block, a circular shaft and a T-block are arranged. When the driving motor is running, the rotating shaft will drive the rotating block to rotate, and then the circular shaft will rotate and squeeze to push the T-block to move left to knock the crushing and stirring device body. Under the action of the knocking vibration, the solidified asphalt concrete on the inner wall of the crushing and stirring device body falls off, thereby solving the problem that the solidified asphalt concrete is difficult to clean, while improving the practicability of the device and reducing the manual cleaning process.

[0017] 2. In the utility model, a pneumatic cylinder, a connecting plate, a connecting rod and a baffle are arranged. When the pneumatic cylinder is in operation, the connecting plate will be driven to move to the left, thereby causing the two connecting rods to rotate and drive the two baffles to move away from each other. As the two baffles move away from each other, the sealing effect on the discharge port will be released, thereby achieving the purpose of automatic unloading of the asphalt concrete inside the crushing and mixing device body, reducing the manual unloading process, and improving the unloading efficiency of the asphalt concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0019] Figure 1 It is a schematic diagram of the structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 It is a cross-sectional structural schematic diagram of the rotating shaft of the utility model;

[0022] Figure 4 This is a schematic cross-sectional view of the T-block of the utility model;

[0023] Figure 5 It is a schematic cross-sectional structure diagram of the rotating shaft of the utility model;

[0024] Figure 6 It is a schematic cross-sectional structure diagram of the baffle of the utility model.

[0025] In the figure: 1. support rod; 2. round table; 3. crushing and stirring device body; 4. slide; 5. movable block; 6. connecting block; 7. driving motor; 8. rotating shaft; 9. rotating block; 10. round shaft; 11. T-block; 12. stirring motor; 13. stirring shaft; 14. stirring blade; 15. first feeding port; 16. second feeding port; 17. cover plate; 18. handle; 19. crushing motor; 20. rotating shaft; 21. first gear; 22. second gear; 23. movable shaft; 24. first crushing roller; 25. second crushing roller; 26. pneumatic cylinder; 27. connecting plate; 28. connecting rod; 29. ​​baffle; 30. discharge port. DETAILED DESCRIPTION

[0026] The following will be combined with the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figures 1 to 6 As shown, the utility model provides a crushing and stirring device for asphalt concrete production, including:

[0028] A support rod 1, a truncated platform 2 is fixedly connected to the top of the support rod 1, a crushing and stirring device body 3 is fixedly sleeved inside the truncated platform 2, the top and bottom of the crushing and stirring device body 3 both penetrate the truncated platform 2 and extend to the top and bottom of the truncated platform 2, a chute 4 is provided on the outer surface of the crushing and stirring device body 3, a movable block 5 is movably connected to the inner surface of the chute 4, and a connecting block 6 is fixedly connected to the front of the movable block 5;

[0029] A knocking mechanism, which is arranged on the right side of the connecting block 6;

[0030] Among them, the knocking mechanism includes a driving motor 7, the left side of the driving motor 7 is fixedly connected to the right side of the connecting block 6, the other end of the output shaft of the driving motor 7 is fixedly sleeved with a rotating shaft 8, the outer surface of the rotating shaft 8 is fixedly sleeved with a rotating block 9, the other end of the rotating block 9 is fixedly sleeved with a round shaft 10, the outer surface of the round shaft 10 is movably connected with a T-block 11, the outer surface of the T-block 11 is movably connected to the inner wall of the movable block 5, and the T-block 11 moves to the left to knock the crushing and stirring device body 3.

[0031] When the driving motor 7 is running, the rotating shaft 8 will drive the rotating block 9 to rotate, and then the circular shaft 10 will rotate to drive the T-shaped block 11 to move leftward, thereby achieving the purpose of knocking the crushing and stirring device body 3.

[0032] Among them, a stirring motor 12 is fixedly connected to the top of the crushing and stirring device body 3, and a stirring shaft 13 is fixedly sleeved on the other end of the output shaft of the stirring motor 12. The bottom of the stirring shaft 13 penetrates the crushing and stirring device body 3 and extends to the interior of the crushing and stirring device body 3 and is fixedly connected with a stirring blade 14.

[0033] When the stirring motor 12 is running, the stirring shaft 13 will drive the stirring blade 14 to rotate.

[0034] Among them, the top of the crushing and stirring device body 3 is fixedly installed with a first feed port 15 and a second feed port 16 located on the left and right sides of the stirring motor 12, and the tops of the first feed port 15 and the second feed port 16 are hinged with a cover plate 17, and the top of the cover plate 17 is fixedly connected with a handle 18.

[0035] The first feed inlet 15 is a feed inlet for stones, and the second feed inlet 16 is a feed inlet for asphalt.

[0036] Among them, a crushing motor 19 located on the left side of the first feed port 15 is fixedly connected to the top of the crushing and stirring device body 3, and a rotating shaft 20 is fixedly sleeved on the other end of the output shaft of the crushing motor 19. The right end of the rotating shaft 20 passes through the first feed port 15 and extends to the interior of the first feed port 15 and is fixedly sleeved with a second crushing roller 25. The outer surface of the second crushing roller 25 is movably connected to the inner wall of the first feed port 15, and the outer surface of the rotating shaft 20 is fixedly sleeved with a first gear 21, and the outer surface of the first gear 21 is movably connected to the outer surface of the first feed port 15.

[0037] When the crushing motor 19 is running, the rotating shaft 20 will drive the first gear 21 and the second crushing roller 25 to rotate.

[0038] Among them, the outer surface of the first gear 21 is meshedly connected with the second gear 22, the outer surface of the second gear 22 is movably connected to the outer surface of the first feed port 15, the interior of the second gear 22 is fixedly sleeved with a movable shaft 23, the right end of the movable shaft 23 passes through the first feed port 15 and extends to the interior of the first feed port 15 and is fixedly sleeved with a first crushing roller 24, the outer surface of the first crushing roller 24 is movably connected to the inner wall of the first feed port 15, and the outer surface of the first crushing roller 24 is meshedly connected with the outer surface of the second crushing roller 25.

[0039] The first crushing roller 24 and the second crushing roller 25 mesh with each other to crush the large-grained stones.

[0040] Among them, the bottom of the truncated table 2 is fixedly connected to a pneumatic cylinder 26, the left side of the pneumatic cylinder 26 is fixedly connected to a connecting plate 27, the left side of the connecting plate 27 is hinged with a connecting rod 28, the number of the connecting rods 28 is two, the other ends of the two connecting rods 28 are hinged with baffles 29, the number of the baffles 29 is two, the outer surfaces of the two baffles 29 are movably connected with a discharge port 30, the top of the discharge port 30 is fixedly connected to the bottom of the crushing and stirring device body 3, and the two baffles 29 move away from each other to release the sealing effect of the discharge port 30.

[0041] When the pneumatic cylinder 26 is in operation, it will drive the connecting plate 27 to move leftward, thereby causing the two connecting rods 28 to rotate and drive the two baffles 29 to move away from each other. The movement of the two baffles 29 away from each other releases the sealing effect on the crushing and stirring device body 3, thereby achieving the purpose of automatic unloading.

[0042] There are four support rods 1 , the four support rods 1 have the same size, and the four support rods 1 are symmetrical with respect to the center of the truncated cone 2 .

[0043] The design of four support rods 1 provides a better supporting and stabilizing effect on the truncated table 2 .

[0044] The working principle and use process of this utility model:

[0045] When it is necessary to produce asphalt concrete, the operator first pulls the handle 18 to open the cover 17, and then pours the asphalt and gravel into the crushing and stirring device body 3 through the second feed port 16 and the first feed port 15 respectively, and then starts the crushing motor 19, which will cause the rotating shaft 20 to drive the first gear 21 and the second crushing roller 25 to rotate, and then the first gear 21 and the second gear 22 are engaged to drive the first crushing roller 24 to rotate, and the first crushing roller 24 and the second crushing roller 25 are engaged to crush the large-particle gravel, and the crushed gravel falls into the crushing and stirring device body 3. At this time, starting the stirring motor 12 will cause the stirring shaft 13 to drive the stirring blades 14 to rotate to stir and mix the gravel and asphalt, thereby achieving the purpose of producing asphalt concrete.

[0046] After the asphalt concrete is mixed, the pneumatic cylinder 26 is started, which will drive the connecting plate 27 to move to the left, thereby causing the two connecting rods 28 to rotate and drive the two baffles 29 to move away from each other. The movement of the two baffles 29 away from each other releases the sealing effect on the discharge port 30, thereby achieving the purpose of automatic unloading of the asphalt concrete.

[0047] When there is solidified asphalt concrete on the inner wall of the crushing and mixing device body 3, first pull the movable block 5 to rotate to the solidified concrete, and then start the drive motor 7, which will cause the rotating shaft 8 to drive the rotating block 9 to rotate, and then the circular shaft 10 to rotate and drive the T-block 11 to move left to knock on the crushing and mixing device body 3. Under the action of the knocking vibration, the solidified asphalt concrete on the inner wall of the crushing and mixing device body 3 falls off, thereby facilitating the cleaning of the solidified asphalt concrete.

[0048] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A crushing and mixing device for asphalt concrete production, characterized in that: Included are: A support rod (1), the top of the support rod (1) being fixedly connected to a truncated platform (2), the interior of the truncated platform (2) being fixedly sleeved with a crushing and stirring device body (3), the top and bottom of the crushing and stirring device body (3) both passing through the truncated platform (2) and extending to the top and bottom of the truncated platform (2), the outer surface of the crushing and stirring device body (3) being provided with a slide groove (4), the inner surface of the slide groove (4) being movably connected to a movable block (5), and the front surface of the movable block (5) being fixedly connected to a connecting block (6); A knocking mechanism, the knocking mechanism being arranged on the right side of the connecting block (6); The knocking mechanism comprises a drive motor (7), the left side of the drive motor (7) is fixedly connected to the right side of the connecting block (6), the other end of the output shaft of the drive motor (7) is fixedly sleeved with a rotating shaft (8), the outer surface of the rotating shaft (8) is fixedly sleeved with a rotating block (9), the other end of the rotating block (9) is fixedly sleeved with a round shaft (10), the outer surface of the round shaft (10) is movably connected with a T-shaped block (11), the outer surface of the T-shaped block (11) is movably connected to the inner wall of the movable block (5), and the T-shaped block (11) moves leftward to knock the crushing and stirring device body (3).

2. The crushing and stirring device for asphalt concrete production according to claim 1 is characterized in that: The top of the crushing and stirring device body (3) is fixedly connected to a stirring motor (12); the other end of the output shaft of the stirring motor (12) is fixedly sleeved with a stirring shaft (13); the bottom of the stirring shaft (13) passes through the crushing and stirring device body (3) and extends into the interior of the crushing and stirring device body (3) and is fixedly connected to a stirring blade (14).

3. The crushing and stirring device for asphalt concrete production according to claim 1 is characterized in that: A first feed inlet (15) and a second feed inlet (16) are fixedly mounted on the top of the crushing and stirring device body (3) and are located on the left and right sides of the stirring motor (12); a cover plate (17) is hingedly connected to the top of the first feed inlet (15) and the second feed inlet (16); and a handle (18) is fixedly connected to the top of the cover plate (17).

4. The crushing and stirring device for asphalt concrete production according to claim 1 is characterized in that: A crushing motor (19) located on the left side of the first feed opening (15) is fixedly connected to the top of the crushing and stirring device body (3); a rotating shaft (20) is fixedly sleeved on the other end of the output shaft of the crushing motor (19); the right end of the rotating shaft (20) passes through the first feed opening (15) and extends into the interior of the first feed opening (15) and is fixedly sleeved on a second crushing roller (25); the outer surface of the second crushing roller (25) is movably connected to the inner wall of the first feed opening (15); the outer surface of the rotating shaft (20) is fixedly sleeved on a first gear (21); and the outer surface of the first gear (21) is movably connected to the outer surface of the first feed opening (15).

5. The crushing and stirring device for asphalt concrete production according to claim 4 is characterized in that: The outer surface of the first gear (21) is meshingly connected with the second gear (22), the outer surface of the second gear (22) is movably connected with the outer surface of the first feed port (15), the interior of the second gear (22) is fixedly sleeved with a movable shaft (23), the right end of the movable shaft (23) passes through the first feed port (15) and extends to the interior of the first feed port (15) and is fixedly sleeved with a first crushing roller (24), the outer surface of the first crushing roller (24) is movably connected with the inner wall of the first feed port (15), and the outer surface of the first crushing roller (24) is meshingly connected with the outer surface of the second crushing roller (25).

6. The crushing and stirring device for asphalt concrete production according to claim 1 is characterized in that: The bottom of the truncated table (2) is fixedly connected to a pneumatic cylinder (26), the left side of the pneumatic cylinder (26) is fixedly connected to a connecting plate (27), the left side of the connecting plate (27) is hinged with a connecting rod (28), the number of the connecting rods (28) is two, the other ends of the two connecting rods (28) are hinged with baffles (29), the number of the baffles (29) is two, the outer surfaces of the two baffles (29) are movably connected to a discharge port (30), the top of the discharge port (30) is fixedly connected to the bottom of the crushing and stirring device body (3), and the two baffles (29) move away from each other to release the sealing effect on the discharge port (30).

7. The crushing and stirring device for asphalt concrete production according to claim 1 is characterized in that: The number of the support rods (1) is four, the four support rods (1) have the same size, and the four support rods (1) are symmetrical with respect to the center of the truncated cone (2).