Double-helix stirring device for uniformly dispersing conductive components of concrete

By designing a coaxial bidirectional mixing structure and cleaning components, the problem of agglomeration and clogging of conductive components in the twin-helix mixing device is solved, achieving uniform dispersion of conductive components and efficient mixing of concrete.

CN224116433UActive Publication Date: 2026-04-14STATE GRID GANSU ELECTRIC POWER CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-29
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

In existing twin-helix mixing devices, conductive components tend to agglomerate, affecting conductivity and concrete consistency, and the inner wall is prone to clumping, leading to blockage of the discharge port.

Method used

It adopts a coaxial bidirectional stirring structure, combined with an auger and scraper, and uses a variable frequency drive motor to drive a bevel gear system to achieve uniform stirring inside the stirring cylinder, and uses a spray auxiliary system and cleaning components to prevent clogging.

Benefits of technology

It achieves uniform dispersion of conductive components, improves the performance stability of concrete, avoids clumping on the inner wall and blockage at the discharge port, and enhances the mixing effect.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a double-helix stirring device for uniformly dispersing concrete conductive components, which comprises a stirring barrel, a protective cover is movably mounted at the top of the stirring barrel, a protective shell is fixedly mounted at the top of the protective cover, a stirring component is arranged in the protective shell, and the stirring component is arranged in the protective shell. And scrapers are symmetrically and fixedly mounted on the two sides of the stirring assembly. According to the double-helix stirring device for uniformly dispersing the conductive components of the concrete, through the arrangement of the stirring assembly, the packing auger and the scraping plate, a stirring structure in the scheme adopts coaxial bidirectional stirring, so that stirring is more uniform, the stirring device can drive the packing auger and the scraping plate to rotate, the scraping plate can clean the conductive components on the inner wall of the stirring barrel, and the stirring efficiency is improved. A large amount of conductive components on the inner wall of the stirring barrel body are prevented from influencing use, the auger can be used for conveying and feeding the conductive components, the interior of the discharging pipe can be effectively prevented from being blocked, and the use effect of the double-helix stirring device is improved.
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Description

Technical Field

[0001] This utility model relates to the field of intelligent concrete preparation technology, specifically a double-helix stirring device for uniformly dispersing conductive components in concrete. Background Technology

[0002] The double-helix concrete mixer uses a double-helix blade rotation method, which not only ensures fast and efficient mixing, but also fully maintains the uniformity and quality of concrete products. The single-helix concrete mixer is suitable for small-scale construction sites and users who need to control costs, while the double-helix mixer is suitable for large-scale construction sites and users with high requirements for concrete quality.

[0003] The conductive components in existing twin-helix mixing devices tend to agglomerate in ordinary mixing equipment, affecting the conductivity and consistency with concrete. Existing mixing structures cannot achieve efficient dispersion. At the same time, a large amount of conductive components tend to clump together on the inner wall of the twin-helix mixing device, which will affect the later use of the twin-helix mixing device. Moreover, the conductive components can easily cause blockage of the discharge port when unloading. Utility Model Content

[0004] The purpose of this invention is to provide a double-helix mixing device for uniformly dispersing conductive components in concrete, in order to solve the problems mentioned in the background art, such as the easy agglomeration of conductive components in ordinary mixing equipment, which affects the conductivity and consistency with concrete, the inability of existing mixing structures to achieve efficient dispersion, the easy formation of large amounts of conductive components on the inner wall of the double-helix mixing device, which affects the later use of the double-helix mixing device, and the easy blockage of the discharge port when the conductive components are discharged.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a double-helix mixing device for uniformly dispersing conductive components in concrete, comprising a mixing cylinder, a protective cover movably installed on the top of the mixing cylinder, a protective shell fixedly installed on the top of the protective cover, a mixing assembly disposed inside the protective shell, scrapers symmetrically fixedly installed on both sides of the mixing assembly, and an auger fixedly installed at the bottom of the mixing assembly.

[0006] The bottom of the mixing cylinder is symmetrically and fixedly equipped with support legs, and the bottom of the mixing cylinder is fixedly equipped with a discharge pipe, with the auger extending into the interior of the discharge pipe.

[0007] Preferably, a discharge valve is fixedly installed at the outer end of the discharge pipe, a spray auxiliary system is fixedly installed on one side of the mixing cylinder, and a cleaning component is provided above the spray auxiliary system and on one side of the mixing cylinder.

[0008] Preferably, the stirring assembly includes a variable frequency drive motor, which is fixedly mounted on the top of the protective housing, and the output end of the variable frequency drive motor extends into the interior of the protective housing. A first bevel gear is fixedly mounted on the output end of the variable frequency drive motor.

[0009] Preferably, a second bevel gear is meshed with one side of the first bevel gear, the second bevel gear is rotatably connected to the inner wall of the protective cover, a third bevel gear is meshed with one side of the second bevel gear, a connecting cylinder is fixedly installed at the bottom of the third bevel gear, and the connecting cylinder is rotatably connected to the top of the stirring cylinder and extends into the interior.

[0010] Preferably, a connecting shaft is fixedly installed at the bottom of the first bevel gear, the connecting shaft passes through the interior of the third bevel gear and extends into the interior of the stirring cylinder, an outer propeller is symmetrically fixedly installed at the outer end of the connecting cylinder, and an inner propeller is fixedly installed at the outer end of the connecting shaft.

[0011] Preferably, the cleaning component includes a mounting plate, which is fixedly mounted on one side of the mixing drum. A water pump is fixedly mounted on the bottom of the mounting plate, and a water inlet pipe is fixedly mounted on the input end of the water pump.

[0012] Preferably, an adjusting hose is fixedly installed at the output end of the water pump, a cylinder is fixedly installed at the bottom of the mounting plate, a booster is fixedly installed at the bottom end of the cylinder, and the booster is fixedly connected to the adjusting hose.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] 1. By setting up a stirring assembly, auger, and scraper, the stirring structure in this solution is a coaxial bidirectional stirring structure, which makes the stirring more uniform. Moreover, the stirring device can drive the auger and scraper to rotate. The scraper can clean the conductive components on the inner wall of the stirring cylinder, avoiding the impact of a large amount of conductive components on the inner wall of the stirring cylinder. The auger can transfer and feed the conductive components, which can effectively prevent the discharge pipe from being blocked and improve the performance of the double helix stirring device.

[0015] 2. By setting up a dual-propeller and auxiliary spray system, the conductive particles are efficiently dispersed, improving the homogeneity of smart concrete materials, enhancing mixing uniformity, reducing the agglomeration of conductive components, and improving the performance stability of concrete. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a partial schematic diagram of the front cross-section of the structure of this utility model;

[0018] Figure 3 This is a partial top view sectional diagram of the structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the structure of this practical cleaning component.

[0020] In the diagram: 1. Mixing cylinder; 2. Protective cover; 3. Protective outer shell; 4. Mixing assembly; 41. Variable frequency drive motor; 42. First bevel gear; 43. Second bevel gear; 44. Third bevel gear; 45. Connecting shaft; 46. Connecting cylinder; 47. Inner propeller; 48. Outer propeller; 5. Screwdriver; 6. Scraper; 7. Support leg; 8. Discharge pipe; 9. Discharge valve; 10. Spray auxiliary system; 11. Cleaning assembly; 111. Mounting plate; 112. Water pump; 113. Water inlet pipe; 114. Adjusting hose; 115. Cylinder; 116. Intensifier. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0022] Please see Figure 1 , Figure 2 and Figure 3 This utility model provides a technical solution: a double-spiral mixing device for uniformly dispersing conductive components in concrete, including a mixing cylinder 1, a protective cover 2 movably installed on the top of the mixing cylinder 1, a protective shell 3 fixedly installed on the top of the protective cover 2, a mixing assembly 4 arranged inside the protective shell 3, scrapers 6 symmetrically fixedly installed on both sides of the mixing assembly 4, and an auger 5 fixedly installed at the bottom of the mixing assembly 4.

[0023] Support legs 7 are symmetrically fixedly installed at the bottom of the mixing drum 1. A discharge pipe 8 is fixedly installed at the bottom of the mixing drum 1. An auger 5 extends into the interior of the discharge pipe 8. A discharge valve 9 is fixedly installed at the outer end of the discharge pipe 8. A spray auxiliary system 10 is fixedly installed on one side of the mixing drum 1. A cleaning component 11 is provided above the spray auxiliary system 10 and on one side of the mixing drum 1.

[0024] The stirring assembly 4 can drive the auger 5 to rotate, and the auger 5 can transfer the conductive components to the inside of the discharge pipe 8, which can effectively prevent the discharge pipe 8 from getting blocked. The stirring assembly 4 can drive the scraper 6 to rotate, and the scraper 6 cleans the inner wall of the stirring cylinder 1.

[0025] Please see Figure 1 and Figure 2 The stirring assembly 4 includes a variable frequency drive motor 41, which is fixedly installed on the top of the protective housing 3. The output end of the variable frequency drive motor 41 extends into the interior of the protective housing 3. A first bevel gear 42 is fixedly installed on the output end of the variable frequency drive motor 41. A second bevel gear 43 is meshed with one side of the first bevel gear 42. The second bevel gear 43 is rotatably connected to the inner wall of the protective cover 2. A third bevel gear 44 is meshed with one side of the second bevel gear 43. A connecting cylinder 46 is fixedly installed at the bottom of the third bevel gear 44. The connecting cylinder 46 is rotatably connected to the top of the stirring cylinder 1 and extends into the interior. A connecting shaft 45 is fixedly installed at the bottom of the first bevel gear 42. The connecting shaft 45 passes through the interior of the third bevel gear 44 and extends into the interior of the stirring cylinder 1. An outer propeller 48 is symmetrically fixedly installed at the outer end of the connecting cylinder 46. An inner propeller 47 is fixedly installed at the outer end of the connecting shaft 45.

[0026] The engagement of the first bevel gear 42, the second bevel gear 43, and the third bevel gear 44 allows for coaxial rotation and mixing, resulting in more uniform mixing, efficient dispersion of conductive particles, and improved homogeneity of the smart concrete material.

[0027] Please see Figure 1 and Figure 4 The cleaning component 11 includes a mounting plate 111, which is fixedly mounted on one side of the mixing drum 1. A water pump 112 is fixedly mounted on the bottom of the mounting plate 111. A water inlet pipe 113 is fixedly mounted on the input end of the water pump 112. An adjusting hose 114 is fixedly mounted on the output end of the water pump 112. A cylinder 115 is fixedly mounted on the bottom of the mounting plate 111. A booster 116 is fixedly mounted on the bottom end of the cylinder 115. The booster 116 is fixedly connected to the adjusting hose 114.

[0028] The booster 116 can pressurize water and spray it into the interior of the spray assist system 10, which facilitates cleaning of the interior of the spray assist system 10 and prevents blockage inside the spray assist system 10.

[0029] Working principle: The operator places the conductive component inside the mixing drum 1 and starts the variable frequency drive motor 41. The variable frequency drive motor 41 drives the first bevel gear 42 to rotate, the first bevel gear 42 drives the second bevel gear 43 to rotate, the second bevel gear 43 drives the connecting drum 46 to rotate, the connecting drum 46 drives the outer propeller 48 to rotate, and at the same time, the first bevel gear 42 drives the connecting shaft 45 to rotate, the connecting shaft 45 drives the inner propeller 47 to rotate. The inner propeller 47 and the outer propeller 48 mix and stir the conductive component inside the mixing drum 1. The mixing drum 1, the inner and outer double helical blades, the stirring assembly 4, the spray auxiliary system 10, etc., can form a material circulation mixing flow with upward pushing and downward unloading. At the same time, the connecting drum 46 drives the scraper Plate 6 rotates, scraper 6 cleans the inner wall of mixing cylinder 1, connecting shaft 45 drives auger 5 to rotate, auger 5 feeds material to discharge pipe 8. When it is necessary to clean the inside of spray auxiliary system 10, cylinder 115 is started, cylinder 115 drives booster 116 to be adjusted, booster 116 is adjusted to one side of spray auxiliary system 10, water pump 112 is started, water pump 112 draws water into booster 116, booster 116 pressurizes water and sprays it into the inside of spray auxiliary system 10 to clean the inside of spray auxiliary system 10. The above is the working process of the whole device, and the contents not described in detail in this specification are all prior art known to those skilled in the art.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A double-helix mixing device for uniformly dispersing conductive components in concrete, characterized in that: The device includes a stirring cylinder (1), a protective cover (2) is movably installed on the top of the stirring cylinder (1), a protective shell (3) is fixedly installed on the top of the protective cover (2), a stirring assembly (4) is provided inside the protective shell (3), scrapers (6) are symmetrically fixedly installed on both sides of the stirring assembly (4), and an auger (5) is fixedly installed at the bottom of the stirring assembly (4). The bottom of the mixing cylinder (1) is symmetrically fixed with support legs (7), and the bottom of the mixing cylinder (1) is fixedly fixed with a discharge pipe (8). The auger (5) extends into the interior of the discharge pipe (8).

2. The double-helix mixing device for uniformly dispersing conductive components in concrete according to claim 1, characterized in that: A discharge valve (9) is fixedly installed at the outer end of the discharge pipe (8), a spray auxiliary system (10) is fixedly installed on one side of the mixing cylinder (1), and a cleaning component (11) is provided above the spray auxiliary system (10) and on one side of the mixing cylinder (1).

3. The double-helix mixing device for uniformly dispersing conductive components in concrete according to claim 1, characterized in that: The stirring assembly (4) includes a variable frequency drive motor (41), which is fixedly installed on the top of the protective shell (3). The output end of the variable frequency drive motor (41) extends into the interior of the protective shell (3), and a first bevel gear (42) is fixedly installed on the output end of the variable frequency drive motor (41).

4. The double-helix mixing device for uniformly dispersing conductive components in concrete according to claim 3, characterized in that: The first bevel gear (42) is meshed with a second bevel gear (43) on one side. The second bevel gear (43) is rotatably connected to the inner wall of the protective cover (2). The second bevel gear (43) is meshed with a third bevel gear (44) on one side. A connecting cylinder (46) is fixedly installed at the bottom of the third bevel gear (44). The connecting cylinder (46) is rotatably connected to the top of the stirring cylinder (1) and extends into the interior.

5. A double-helix mixing device for uniformly dispersing conductive components in concrete according to claim 4, characterized in that: A connecting shaft (45) is fixedly installed at the bottom of the first bevel gear (42). The connecting shaft (45) passes through the interior of the third bevel gear (44) and extends into the interior of the stirring cylinder (1). An outer propeller (48) is symmetrically fixedly installed at the outer end of the connecting cylinder (46), and an inner propeller (47) is fixedly installed at the outer end of the connecting shaft (45).

6. A double-helix mixing device for uniformly dispersing conductive components in concrete according to claim 2, characterized in that: The cleaning component (11) includes a mounting plate (111), which is fixedly mounted on one side of the mixing drum (1). A water pump (112) is fixedly mounted on the bottom of the mounting plate (111), and a water inlet pipe (113) is fixedly mounted on the input end of the water pump (112).

7. A double-helix mixing device for uniformly dispersing conductive components in concrete according to claim 6, characterized in that: The output end of the water pump (112) is fixedly installed with a regulating hose (114), the bottom of the mounting plate (111) is fixedly installed with a cylinder (115), the bottom end of the cylinder (115) is fixedly installed with a booster (116), and the booster (116) is fixedly connected to the regulating hose (114).