Special grouting material mixing device for semi-flexible pavement

The semi-flexible road surface special grouting material mixing device designed with multi-axis stirring and intermittent discharge solves the problems of low mixing efficiency and powder accumulation, and achieves efficient and uniform mixing effect.

CN223071661UActive Publication Date: 2025-07-08JINGWEI BUILDING MATERIALS CO LTD
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Patent Information

Application Number
CN202422034247.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-08-21
Publication Date
2025-07-08
Estimated Expiration
2034-08-21

AI Technical Summary

Technical Problem

The mixing method of existing special grouting materials for semi-flexible pavement surfaces is single, resulting in low mixing efficiency and easy accumulation of powder raw materials, affecting the mixing quality.

Method used

Using a multi-axis stirring mechanism and an intermittent discharge mechanism, the coordinated rotation of multiple stirring rods and the intermittent discharge design of the discharge tube improves the mixing efficiency and avoids the accumulation of powder raw materials.

Benefits of technology

The mixing efficiency and quality of grouting materials are improved, the raw materials are fully stirred, the powder raw materials are avoided, and the overall performance of the product is improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223071661U_ABST
Patent Text Reader

Abstract

The utility model discloses a semi-flexible pavement special grouting material mixing device which comprises a tank body, a stirring mechanism is arranged in the tank body, a storage bin is arranged above the tank body, a discharging pipe is arranged at the bottom of the storage bin, the lower end of the discharging pipe penetrates through one side of the top of the tank body, and the lower end of the discharging pipe is connected with a stirring mechanism. According to the special grouting material mixing device for the semi-flexible pavement, a motor is started, so that a second stirring rod can rotate around the central axis of a first rotating shaft, and the second stirring rod can also rotate around the central axis of a second rotating shaft; meanwhile, a first stirring rod can rotate around the central axis of a first rotating shaft, the stirring diversity is improved, the stirring efficiency of the raw materials is improved, a motor can drive a circular plate to continuously rotate at the same time, a discharging pipe intermittently discharges materials, the situation that the powder raw materials are directly poured into the tank body, and stacking and caking occur is avoided, and the production efficiency is improved. And the product quality is improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of grouting material processing, in particular to a grouting material mixing device specially used for semi-flexible pavement. Background Art

[0002] Grouting reinforcement is a commonly used method for reinforcing pavement cracks. The grouting material used can play a role in filling and reinforcing cracks and pores in the pavement and blocking water and preventing seepage. Semi-flexible pavement is a composite pavement material that combines rigidity and flexibility by pouring special cement-based grouting materials with high fluidity into the large-void asphalt mixture after rolling and forming. It has the advantages of good flexibility, strong crack resistance and seamlessness of asphalt pavement and high rigidity, strong bearing capacity and good rutting resistance of cement concrete pavement. It can be used for repairing rutting diseases of old pavements as well as for newly built pavements. Due to its long service life, it reduces the frequency of maintenance. When preparing special grouting materials for semi-flexible pavements, it is necessary to mix raw materials such as river sand, cement and fly ash together.

[0003] For example, the Chinese utility model patent with the authorization announcement number CN215441288U discloses a semi-flexible road special grouting material mixing equipment, including a tank body, a filter screen plate is arranged inside the tank body, the filter screen plate divides the inside of the tank body into a crushing chamber and a mixing chamber from top to bottom, a crushing roller and a cleaning mechanism are arranged in the crushing chamber, a rotating shaft is fixedly arranged inside the crushing roller, both sides of the rotating shaft are rotatably connected with side plates, and one side of the rotating shaft is connected to a rotating motor, the outer side of the side plate is slidably connected to the inner walls of both sides of the tank body through a first sliding assembly, and the cleaning mechanism includes a moving rod and a cleaning rod. The utility model facilitates the more uniform mixing of various raw materials and improves the mixing efficiency.

[0004] The above authorized patent has the following problems during use:

[0005] The single stirring method leads to low mixing efficiency between the raw materials such as river sand, cement and fly ash used to prepare the grouting materials. In addition, the fly ash and other powdered raw materials cannot intermittently enter the tank, which will cause a large amount of fly ash and other powdered raw materials to accumulate and agglomerate into agglomerates, which is not conducive to the full mixing of the raw materials.

[0006] In view of the above problems, it is urgent to carry out innovative design based on the original semi-flexible pavement special grouting material mixing device. Utility Model Content

[0007] The utility model aims to provide a grouting material mixing device specially used for semi-flexible pavement, so as to solve the problems raised by the above-mentioned background technology.

[0008] To achieve the above object, the utility model provides the following technical solution: A mixing device for special grouting material of semi-flexible pavement, including a tank body, a stirring mechanism is arranged inside the tank body, a storage bin is arranged above the tank body, a discharge pipe is arranged at the bottom of the storage bin, the lower end of the discharge pipe penetrates through one side of the top of the tank body, and an intermittent discharging mechanism is arranged on the discharge pipe;

[0009] The stirring mechanism includes a first rotating shaft. The center of the top of the tank body is rotatably installed with the first rotating shaft through a bearing. A first stirring rod is fixed on the outer wall of the first rotating shaft inside the tank body. The upper end of the first rotating shaft is located above the tank body and is fixedly connected to the output end of the bottom of the motor. The outer wall of the motor is fixedly installed on the top of the tank body through a mounting plate. A fixing plate is fixed on the outer wall of the first rotating shaft near the top inside the tank body. A second rotating shaft is rotatably installed inside the fixing plate away from the first rotating shaft through a bearing. A second stirring rod is fixed on the outer wall of the second rotating shaft below the fixing plate. A full gear is fixed on the upper end of the second rotating shaft above the fixing plate. A toothed ring is fixed on the top inside the tank body. The inner side of the toothed ring is meshed and connected with the side of the full gear.

[0010] Preferably, the intermittent discharging mechanism includes a third rotating shaft. The third rotating shaft is rotatably installed inside the discharge pipe through a sealed bearing. A circular plate is fixed on the outer wall of the third rotating shaft. A support plate is fixed between the outer wall of the storage bin and the top of the tank body. The inner side of the support plate is rotatably connected with the outer side of the third rotating shaft through a bearing. A first bevel gear is fixed at the end of the third rotating shaft. A second bevel gear is meshed with the top side of the first bevel gear. The inner wall of the second bevel gear is fixedly connected with the outer wall of the first rotating shaft.

[0011] Preferably, the side of the circular plate is designed as an arc-shaped structure, and the side of the circular plate is mutually attached to the inner side of the discharge pipe.

[0012] Preferably, a feed bin is arranged on one side of the top of the tank body away from the storage bin, and sealing covers are screwed on the tops of the feed bin and the storage bin.

[0013] Preferably, a discharge pipe is arranged at the bottom of the tank body, and a valve is installed on the discharge pipe.

[0014] Preferably, the fixing plate, the second rotating shaft and the full gear are equally angularly distributed about the central axis of the toothed ring.

[0015] Compared with the prior art, the beneficial effects of the present utility model are as follows: For the special grouting material mixing device for semi-flexible pavement, by starting the motor, the second stirring rod can rotate around the central axis of the first rotating shaft, and can also rotate around the central axis of the second rotating shaft. At the same time, the first stirring rod can also rotate around the central axis of the first rotating shaft, increasing the diversity of stirring and improving the stirring efficiency between raw materials. The motor can also drive the circular plate to continuously rotate, making the discharge pipe discharge intermittently, avoiding the situation that powder raw materials are directly poured into the interior of the tank body and causing accumulation and caking, and improving the product quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a front sectional structure schematic diagram of the present utility model;

[0017] Figure 2 For the present utility model Figure 1 is an enlarged structure schematic diagram at A in

[0018] Figure 3 is a side sectional installation structure schematic diagram of the circular plate of the present utility model;

[0019] Figure 4 is a top sectional installation structure schematic diagram of the gear ring of the present utility model.

[0020] In the figure: 1, tank body; 2, first rotating shaft; 3, first stirring rod; 4, fixing plate; 5, second rotating shaft; 6, second stirring rod; 7, full gear; 8, gear ring; 9, motor; 10, storage bin; 11, discharge pipe; 12, third rotating shaft; 13, circular plate; 14, support plate; 15, first bevel gear; 16, second bevel gear; 17, feed bin; 18, discharge pipe. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0021] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0022] Please refer to Figures 1-4 , the present utility model provides a technical solution: A special grouting material mixing device for semi-flexible pavement, including a tank body 1, a stirring mechanism is arranged inside the tank body 1, a storage bin 10 is arranged above the tank body 1, a discharge pipe 11 is arranged at the bottom of the storage bin 10, the lower end of the discharge pipe 11 penetrates through one side of the top of the tank body 1, and an intermittent discharge mechanism is arranged on the discharge pipe 11;

[0023] The stirring mechanism includes a first rotating shaft 2. The first rotating shaft 2 is rotatably installed at the center of the top of the tank body 1 through a bearing. A first stirring rod 3 is fixed to the outer wall of the first rotating shaft 2 inside the tank body 1. The upper end of the first rotating shaft 2 is located above the tank body 1 and fixedly connected to the output end of the bottom of the motor 9. The outer wall of the motor 9 is fixed to the top of the tank body 1 through a mounting plate. A fixing plate 4 is fixed to the outer wall of the first rotating shaft 2 near the top inside the tank body 1. A second rotating shaft 5 is rotatably installed inside the fixing plate 4 away from the first rotating shaft 2 through a bearing. A second stirring rod 6 is fixed to the outer wall of the second rotating shaft 5 below the fixing plate 4. A full gear 7 is fixed to the upper end of the second rotating shaft 5 above the fixing plate 4. A gear ring 8 is fixed to the top inside the tank body 1. The inner side of the gear ring 8 is meshed with the side of the full gear 7. The fixing plate 4, the second rotating shaft 5, and the full gear 7 are all equiangularly distributed about the central axis of the gear ring 8. When the motor 9 is started, the second stirring rod 6 can rotate around the central axis of the first rotating shaft 2, and the second stirring rod 6 can also rotate around the central axis of the second rotating shaft 5. At the same time, the first stirring rod 3 can also rotate around the central axis of the first rotating shaft 2, increasing the diversity of stirring and improving the stirring efficiency between the raw materials.

[0024] The intermittent discharging mechanism includes a third rotating shaft 12. The third rotating shaft 12 is rotatably installed inside the discharging pipe 11 through a sealed bearing. A circular plate 13 is fixed to the outer wall of the third rotating shaft 12. A support plate 14 is fixed between the outer wall of the storage bin 10 and the top of the tank body 1. The inner side of the support plate 14 is rotatably connected to the outer side of the third rotating shaft 12 through a bearing. A first bevel gear 15 is fixed to the end of the third rotating shaft 12. A second bevel gear 16 is meshed with the top side of the first bevel gear 15. The inner wall of the second bevel gear 16 is fixedly connected to the outer wall of the first rotating shaft 2. When the motor 9 is started, the circular plate 13 can rotate continuously, causing the discharging pipe 11 to discharge intermittently, avoiding the situation where the powdered raw materials are directly poured into the inside of the tank body 1 and accumulate and caking, and improving the quality of the product.

[0025] The side of the circular plate 13 is designed as an arc-shaped structure, and the side of the circular plate 13 is mutually attached to the inner side of the discharging pipe 11, ensuring that the circular plate 13 can rotate inside the discharging pipe 11 along with the third rotating shaft 12 without getting stuck.

[0026] A feed bin 17 is provided on one side of the top of the tank body 1 away from the storage bin 10. Sealing covers are threadedly installed on the tops of both the feed bin 17 and the storage bin 10, enabling the tops of the storage bin 10 and the feed bin 17 to be opened and closed.

[0027] A discharge pipe 18 is provided at the bottom of the tank body 1. A valve is installed on the discharge pipe 18, enabling the discharge pipe 18 to be opened and closed.

[0028] Working principle: When using the special grouting material mixing device for semi-flexible pavement, first remove the sealing cover on the top of the storage bin 10, then pour powder raw materials such as coal ash into the inside of the storage bin 10, reinstall the sealing cover back to its original position, then remove the sealing cover on the top of the feed bin 17, and put water and other raw materials for preparing grouting materials into the inside of the tank body 1 through the feed bin 17, and reinstall the sealing cover on the top of the feed bin 17;

[0029] Start the motor 9, then the motor 9 drives the first rotating shaft 2 and the first stirring rod 3 to rotate. The first rotating shaft 2 simultaneously drives the fixing plate 4, the second rotating shaft 5, the second stirring rod 6 and the full gear 7 to rotate around the central axis of the first rotating shaft 2. Since the full gear 7 is meshed and connected with the toothed ring 8, the full gear 7 rotates self, and the full gear 7 simultaneously drives the second rotating shaft 5 to rotate self, so that the second stirring rod 6 rotates around the central axis of the second rotating shaft 5, increasing the diversity of stirring and accelerating the stirring efficiency between raw materials;

[0030] The motor 9 simultaneously drives the second bevel gear 16 to rotate through the first rotating shaft 2, and the second bevel gear 16 drives the circular plate 13 to rotate through the first bevel gear 15 and the third rotating shaft 12, so that the powder raw materials such as coal ash in the storage bin 10 intermittently enter the inside of the tank body 1 through the discharge pipe 11, avoiding the situation of direct pouring of powder raw materials into the inside of the tank body 1 and resulting in accumulation and caking.

[0031] Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions recorded in the foregoing embodiments, or perform equivalent replacement on some of the technical features. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A mixing device for a special grouting material for semi-flexible pavement, comprising a tank body (1), characterized in that: A stirring mechanism is arranged inside the tank body (1). A storage bin (10) is arranged above the tank body (1). A discharge pipe (11) is arranged at the bottom of the storage bin (10). The lower end of the discharge pipe (11) penetrates through one side of the top of the tank body (1). An intermittent discharging mechanism is arranged on the discharge pipe (11). The stirring mechanism includes a first rotating shaft (2). The first rotating shaft (2) is rotatably installed at the center of the top of the tank body (1) through a bearing. A first stirring rod (3) is fixed to the outer wall of the first rotating shaft (2) inside the tank body (1). The upper end of the first rotating shaft (2) is located above the tank body (1) and is fixedly connected to the output end of the bottom of the motor (9). The outer wall of the motor (9) is fixed to the top of the tank body (1) through a mounting plate. A fixing plate (4) is fixed to the outer wall of the first rotating shaft (2) near the top inside the tank body (1). A second rotating shaft (5) is rotatably installed inside the fixing plate (4) away from the first rotating shaft (2) through a bearing. A second stirring rod (6) is fixed to the outer wall of the second rotating shaft (5) below the fixing plate (4). A full gear (7) is fixed to the upper end of the second rotating shaft (5) above the fixing plate (4). A toothed ring (8) is fixed to the top inside the tank body (1). The inner side of the toothed ring (8) is meshed with the side of the full gear (7).

2. The mixing device for the special grouting material of a semi-flexible pavement according to claim 1, characterized in that: The intermittent discharging mechanism includes a third rotating shaft (12). The third rotating shaft (12) is rotatably installed inside the discharge pipe (11) through a sealed bearing. A circular plate (13) is fixed to the outer wall of the third rotating shaft (12). A support plate (14) is fixed between the outer wall of the storage bin (10) and the top of the tank body (1). The inner side of the support plate (14) is rotatably connected to the outer side of the third rotating shaft (12) through a bearing. A first bevel gear (15) is fixed to the end of the third rotating shaft (12). A second bevel gear (16) is meshed with the top of one side of the first bevel gear (15). The inner wall of the second bevel gear (16) is fixedly connected to the outer wall of the first rotating shaft (2).

3. The mixing device for a special grouting material for semi-flexible pavement according to claim 2, characterized in that: The side of the circular plate (13) is designed as an arc-shaped structure, and the side of the circular plate (13) is mutually attached to the inner side of the discharge pipe (11).

4. A mixing device for a special grouting material for semi-flexible pavement according to claim 1, characterized in that: A feed bin (17) is arranged at one side of the top of the tank body (1) away from the storage bin (10). Sealing covers are threadedly installed on the tops of both the feed bin (17) and the storage bin (10).

5. The mixing device for the special grouting material of semi-flexible pavement according to claim 1, characterized in that: A discharge pipe (18) is arranged at the bottom of the tank body (1). A valve is installed on the discharge pipe (18).

6. The mixing device for the special grouting material of semi-flexible pavement according to claim 1, characterized in that: The fixing plate (4), the second rotating shaft (5) and the full gear (7) are all equally angularly distributed about the central axis of the toothed ring (8).

Citation Information

Patent Citations

  • Special grouting material mixing equipment for semi-flexible pavement

    CN215441288U