Bidirectional cement-soil mixer

Abstract

A bidirectional cement soil mixer belongs to the field of machinery and comprises a bidirectional cement soil mixing device, an inner drill rod is mounted on the outer side surface of a power transmission component, and an outer drill rod is mounted on the outer side surface of a clamping plate. The inner drill rod drives the plurality of first stirring blades to rotate, and the outer drill rod drives the second stirring blades to rotate reversely, so that the mixing uniformity and thoroughness are ensured, the mixing efficiency is improved, a wider mixing area can be covered, dead angles and unmixed areas are avoided, and the mixing efficiency is improved. The reverse rotation movement mode of the outer drill rod can enhance the permeation and binding force of cement to soil particles, improve the strength and stability of mixed soil, ensure that a good mixing effect can be achieved under various engineering conditions, improve the stirring uniformity of the cement soil, remarkably improve the pile forming quality, and facilitate the improvement of the bearing capacity of a foundation; and the foundation settlement phenomenon is relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of soil-cement mixers, in particular to a two-way soil-cement mixer. Background Technique

[0002] Soil-cement mixers are mainly used to mix cement, soil and other building materials to ensure their uniformity and quality during construction, quickly and effectively mix the materials evenly, save time and labor costs, and ensure that materials such as cement and aggregates are fully mixed during the mixing process, improving the compactness and strength of concrete. They are applicable to construction sites and infrastructure construction and play an important role in various construction projects, such as road construction, building construction and infrastructure construction, etc.

[0003] The existing soil-cement mixer drills the foundation through a drill bit, irrigates cement into the foundation, and then stirs the cement through stirring blades. The one-way stirring blades can only stir in one direction, which easily causes uneven mixing in some areas, resulting in unstable concrete quality. The one-way stirring blades may not be able to cover all corners and depths, causing dead corners and unmixed areas, affecting the overall project quality. The working mode of the one-way stirring blades limits the full mixing of cement and soil, thus reducing the mixing efficiency and strength. It is difficult for operators to adjust the stirring speed and method of the one-way stirring blades, restricting the flexibility and efficiency in dealing with different mixing requirements, and ultimately resulting in a lower bearing capacity of the foundation and a phenomenon of foundation settlement. Content of the Utility Model

[0004] The utility model provides a two-way soil-cement mixer, which has the advantage of uniformly stirring cement in two-way rotation, so as to solve the problem of uneven cement stirring caused by one-way stirring of the soil-cement mixer.

[0005] To achieve the purpose of uniformly stirring cement in two-way rotation of the two-way soil-cement mixer, the utility model provides the following technical scheme: a two-way soil-cement mixer, including a two-way soil-cement mixing device, a fixed rod is installed on the outer surface of the two-way soil-cement mixing device, a rotating motor is installed inside the two-way soil-cement mixing device, a power transmission component is installed on the outer surface of the rotating motor, an inner drill rod is installed on the outer surface of the power transmission component, a clamping plate is movably installed on the outer surface of the fixed rod, an outer drill rod is installed on the outer surface of the clamping plate, a first stirring blade is uniformly installed on the outer surface of the inner drill rod, and a second stirring blade is uniformly installed on the outer surface of the outer drill rod.

[0006] As a preferred technical scheme of the utility model, the power transmission component includes a rotating shaft and a driving gear, the rotating shaft is installed on the outer surface of the output end of the rotating motor, and the driving gear is installed on the outer surface of the rotating shaft.

[0007] As a preferred technical solution of the present utility model, one end surface of the rotating shaft is fixedly connected to the bottom end surface of the inner drill rod, the outer surface of the inner drill rod is in movable contact with the inside of the outer drill rod, and a main drill bit is installed on the outer surface of the inner drill rod.

[0008] As a preferred technical solution of the present utility model, an internal gear ring is installed on the inner surface of the outer drill rod, and three rotating columns are evenly and movably installed inside the fixed rod.

[0009] As a preferred technical solution of the present utility model, drive gears are installed on one end surface of the three rotating columns.

[0010] As a preferred technical solution of the present utility model, the outer surfaces of the three drive gears are meshed with the outer surface of the driving gear, and the outer surfaces of the three drive gears are meshed with the inner surface of the internal gear ring.

[0011] As a preferred technical solution of the present utility model, auxiliary drill rods are installed on the bottom end surfaces of the three drive gears, auxiliary drill bits are installed on one end surface of the auxiliary drill rods, and third stirring blades are evenly installed on the outer surface of the auxiliary drill rods.

[0012] Compared with the prior art, the present utility model provides a two-way soil-cement mixer, which has the following beneficial effects:

[0013] In this two-way soil-cement mixer, the inner drill rod drives a plurality of first stirring blades to perform a rotational motion, and the outer drill rod drives the second stirring blades to perform a reverse rotational motion. The first stirring blades driven by the inner drill rod can effectively mix cement and soil, ensuring the uniformity and thoroughness of the mixing, improving the mixing efficiency. The reverse rotational motion of the outer drill rod drives the second stirring blades, which can cover a wider mixing area, avoiding the generation of dead corners and unmixed areas. The reverse rotational motion mode of the outer drill rod can enhance the penetration and adhesion of cement to soil particles, improving the strength and stability of the mixed soil, ensuring good mixing effects under various engineering conditions, improving the mixing uniformity of the soil-cement, significantly improving the pile-forming quality, being beneficial to improving the bearing capacity of the foundation and slowing down the foundation settlement phenomenon.

[0014] This two-way soil-cement mixer drives the main drill bit to rotate through a rotating shaft, drives the auxiliary drill rod and the auxiliary drill bit to rotate through a transmission gear, and drives the third mixing blade to rotate through the auxiliary drill rod. The rotational movements of the main drill bit and the auxiliary drill bit, combined with the third mixing blade driven by the auxiliary drill rod, can achieve uniform mixing of soil and cement at different depths and levels, ensuring a comprehensive mixing effect. The third mixing blade mixes as the auxiliary drill rod rotates, covering a wider mixing area and avoiding the appearance of unmixed dead corners. The rotational movement of the auxiliary drill rod can enhance the penetration and adhesion of cement to the soil, improving the strength and stability of the mixed soil. Description of the Drawings

[0015] Figure 1 is a schematic diagram of the overall structure of the two-way soil-cement mixing device of the present utility model;

[0016] Figure 2 is a schematic diagram of the internal structure of the two-way soil-cement mixing device of the present utility model;

[0017] Figure 3 is a schematic diagram of the internal structure of the two-way soil-cement mixing device of the present utility model from another perspective;

[0018] Figure 4 is a schematic diagram of the internal structure of the power transmission component of the present utility model;

[0019] Figure 5 is a schematic diagram of the internal structure of the power transmission component of the present utility model from another perspective.

[0020] In the figure: 1. Two-way soil-cement mixing device; 2. Rotating motor; 3. Main drill bit; 4. Inner drill rod; 5. Outer drill rod; 6. Fixed rod; 7. Driving gear; 8. Clamping plate; 9. Rotating column; 10. Transmission gear; 11. Inner gear ring; 12. First mixing blade; 13. Second mixing blade; 14. Third mixing blade; 15. Auxiliary drill rod; 16. Auxiliary drill bit; 17. Rotating shaft. Detailed Description of the Preferred 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] Refer to Figures 1-5, the utility model discloses a two-way soil-cement mixer, which comprises a two-way soil-cement mixing device 1. A fixing rod 6 is installed on the outer surface of the two-way soil-cement mixing device 1. A rotating motor 2 is installed inside the two-way soil-cement mixing device 1. A power transmission component is installed on the outer surface of the rotating motor 2. An inner drill rod 4 is installed on the outer surface of the power transmission component. A main drill bit 3 is installed on the outer surface of the inner drill rod 4. A clamping plate 8 is movably installed on the outer surface of the fixing rod 6. An outer drill rod 5 is installed on the outer surface of the clamping plate 8. A plurality of first mixing blades 12 are evenly installed on the outer surface of the inner drill rod 4. A plurality of second mixing blades 13 are evenly installed on the outer surface of the outer drill rod 5. The inner drill rod 4 drives a plurality of first mixing blades 12 to perform a rotating motion. The inner gear ring 11 drives the outer drill rod 5 to perform a reverse rotating motion. The outer drill rod 5 drives the second mixing blades 13 to perform a rotating motion. The first mixing blades 12 driven by the inner drill rod 4 can effectively mix cement and soil, ensuring the uniformity and thoroughness of the mixing, improving the mixing efficiency. The reverse rotating motion of the outer drill rod 5 drives the second mixing blades 13, which can cover a wider mixing area, avoiding the generation of dead corners and unmixed areas. The reverse rotating motion mode of the outer drill rod 5 can enhance the penetration and adhesion of cement to soil particles, improving the strength and stability of the mixed soil, ensuring good mixing effects under various engineering conditions, improving the mixing uniformity of soil-cement, significantly improving the pile forming quality, being beneficial to improving the bearing capacity of the foundation and slowing down the foundation settlement phenomenon.

[0023] The power transmission assembly includes a rotating shaft 17 and a driving gear 7. The rotating shaft 17 is installed on the outer surface of the output end of the rotating motor 2, and the driving gear 7 is installed on the outer surface of the rotating shaft 17. One end surface of the rotating shaft 17 is fixedly connected to the bottom surface of the inner drill rod 4. The outer surface of the inner drill rod 4 is in movable contact with the inside of the outer drill rod 5. An internal gear ring 11 is installed on the inner surface of the outer drill rod 5. Three rotating columns 9 are evenly and movably installed inside the fixed rod 6. One end surface of each of the three rotating columns 9 is equipped with a transmission gear 10. The outer surfaces of the three transmission gears 10 are meshed with the outer surface of the driving gear 7, and the outer surfaces of the three transmission gears 10 are meshed with the inner surface of the internal gear ring 11. One end surface of each of the three transmission gears 10 is equipped with a sub-drill rod 15. One end surface of the sub-drill rod 15 is equipped with a sub-bit 16. Third stirring blades 14 are evenly installed on the outer surface of the sub-drill rod 15. The rotating shaft 17 drives the main bit 3 to perform a rotating motion. The transmission gears 10 drive the sub-drill rod 15 and the sub-bit 16 to perform a rotating motion. The sub-drill rod 15 drives the third stirring blades 14 to perform a rotating motion. The combined rotating motions of the main bit 3 and the sub-bit 16 and the third stirring blades 14 driven by the sub-drill rod 15 can achieve uniform mixing of soil and cement at different depths and levels, ensuring a comprehensive mixing effect. The third stirring blades 14 perform mixing as the sub-drill rod 15 rotates, which can cover a wider mixing area and avoid the occurrence of unmixed dead corners. The rotating motion of the sub-drill rod 15 can enhance the penetration and adhesion of cement to soil, improving the strength and stability of the mixed soil.

[0024] Working principle and usage process of the utility model: When it is necessary to fill the foundation of the construction land, the two-way cement-soil mixing device 1 drives the fixed rod 6 to move downward through the hydraulic system, and simultaneously starts the rotary motor 2. The rotary motor 2 drives the rotary shaft 17 to perform a rotary motion. The rotary shaft 17 drives the driving gear 7 to perform a rotary motion. The rotary shaft 17 drives the inner drill rod 4 to perform a rotary motion. The inner drill rod 4 drives a plurality of first mixing blades 12 to perform a rotary motion. The outer surface of the driving gear 7 meshes with the outer surfaces of the three transmission gears 10. The driving gear 7 drives the three transmission gears 10 to perform a rotary motion. The three transmission gears 10 drive the rotary column 9 to perform a rotary motion within the fixed rod 6. The outer surfaces of the three transmission gears 10 mesh with the inner surface of the internal gear ring 11. The three transmission gears 10 synchronously drive the internal gear ring 11 to perform a rotary motion. The internal gear ring 11 drives the outer drill rod 5 to perform a reverse rotary motion. The outer drill rod 5 drives the second mixing blade 13 to perform a rotary motion. The first mixing blade 12 driven by the inner drill rod 4 can effectively mix cement and soil, ensuring the uniformity and thoroughness of the mixing, improving the mixing efficiency. The reverse rotary motion of the outer drill rod 5 drives the second mixing blade 13, which can cover a wider mixing area, avoiding the generation of dead corners and unmixed areas. The reverse rotary motion mode of the outer drill rod 5 can enhance the penetration and adhesion of cement to soil particles, improving the strength and stability of the mixed soil, ensuring good mixing effects under various engineering conditions, improving the mixing uniformity of the cement soil, significantly improving the pile-forming quality, being beneficial to improving the foundation bearing capacity, and slowing down the foundation settlement phenomenon.

[0025] Moreover, the rotary shaft 17 drives the main drill bit 3 to perform a rotary motion. The transmission gear 10 drives the auxiliary drill rod 15 and the auxiliary drill bit 16 to perform a rotary motion. The auxiliary drill rod 15 drives the third mixing blade 14 to perform a rotary motion. The rotary motions of the main drill bit 3 and the auxiliary drill bit 16 combined with the third mixing blade 14 driven by the auxiliary drill rod 15 can achieve uniform mixing of soil and cement at different depths and levels, ensuring a comprehensive mixing effect. The third mixing blade 14 performs mixing as the auxiliary drill rod 15 rotates, which can cover a wider mixing area, avoiding the appearance of unmixed dead corners. The rotary motion of the auxiliary drill rod 15 can enhance the penetration and adhesion of cement to soil particles, improving the strength and stability of the mixed soil.

Claims

1. A bidirectional soil-cement mixer, comprising a bidirectional soil-cement mixing device (1), characterized in that: A fixing rod (6) is mounted on the outer surface of the bidirectional cement soil mixing device (1); a rotating motor (2) is mounted inside the bidirectional cement soil mixing device (1); a power transmission assembly is mounted on the outer surface of the rotating motor (2); an inner drill rod (4) is mounted on the outer surface of the power transmission assembly; a clamping plate (8) is movably mounted on the outer surface of the fixing rod (6); an outer drill rod (5) is mounted on the outer surface of the clamping plate (8); a first mixing blade (12) is evenly mounted on the outer surface of the inner drill rod (4); and a second mixing blade (13) is evenly mounted on the outer surface of the outer drill rod (5); the power transmission assembly comprises a rotating shaft (17) and a driving gear (7); the rotating shaft (17) is mounted on the outer surface of the output end of the rotating motor (2); and the driving gear (7) is mounted on the outer surface of the rotating shaft (17).

2. A bidirectional cement soil mixer according to claim 1, characterized in that: One end surface of the rotating shaft (17) is fixedly connected to the bottom end surface of the inner drill rod (4), the outer surface of the inner drill rod (4) is in movable contact with the inside of the outer drill rod (5), and the main drill bit (3) is installed on the outer surface of the inner drill rod (4).

3. A bidirectional cement soil mixer according to claim 1 or 2, characterized in that: An inner gear ring (11) is installed on the inner surface of the outer drill rod (5), and three rotating columns (9) are evenly and movably installed inside the fixed rod (6).

4. A bidirectional soil-cement mixer according to claim 3, characterized in that: A transmission gear (10) is mounted on one end surface of the rotating column (9).

5. A bidirectional soil-cement mixer according to claim 4, characterized in that: The outer surface of the transmission gear (10) meshes with the outer surface of the driving gear (7), and the outer surface of the transmission gear (10) meshes with the inner surface of the inner gear ring (11).

6. A bidirectional soil-cement mixer according to claim 4 or 5, characterized in that: The bottom end surface of the transmission gear (10) is mounted with an auxiliary drill rod (15), one end surface of the auxiliary drill rod (15) is mounted with an auxiliary drill bit (16), and the outer side surface of the auxiliary drill rod (15) is evenly mounted with a third stirring blade (14).

Images