High-turbulence multi-mutual-impact multi-stirring drilling and stirring composite stirrer

Abstract

The utility model discloses a high-turbulence multi-mutual-impact multi-stirring drilling and stirring composite stirrer which comprises a stirrer inner shaft and a stirrer outer shaft, the stirrer inner shaft and the stirrer outer shaft are connected through an inter-shaft rotation support, a bottom drilling tool tip is fixed at the lower end of the stirrer inner shaft, and a bottom drilling tool tip is fixed at the lower end of the stirrer outer shaft. The outer side of the lower end of the stirrer inner shaft is connected with a first supporting ring through an inter-shaft rotation support, and four blade transverse plates are evenly arranged on the outer side of the first supporting ring. The problems that a traditional stirring stirrer is difficult to work under the condition of high fluid viscosity, the concentricity of the stirrer is poor, large-depth work is difficult, slurry and impurities flow backwards into the stirrer due to the defects of a sealing structure, the stirrer is stuck and scrapped, the one-way stirring quality is poor, and the overall quality is affected due to uneven local stirring in large-diameter stirring work are solved. Compared with an existing stirring stirrer, the working efficiency is improved, the equipment service life is prolonged remarkably, the equipment use and maintenance cost can be greatly reduced, and the labor intensity of workers is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of agitators, in particular to a high-turbulence multi-interpulse multi-agitation drilling and stirring composite agitator. Background Technique

[0002] In any field that requires sufficient agitation, such as chemical industry, pharmaceutical industry, food industry, civil engineering, improvement of clay, silt, and peat soil, improvement of the bearing capacity of foundation soil, stabilization of soft soil, treatment of contaminated soil, improvement of soft soil, etc., currently, several commonly used agitators for agitation work all have different problems: For the unidirectional rotation agitation blade agitator, due to the limitations of its own structure, it is very difficult to fully combine the slurry with the original material through agitation, and the agitation quality is not good. It is only suitable for simple working conditions with low requirements and low difficulty; for the bidirectional agitator without a slewing bearing, due to the absence of a slewing bearing structure, the overall concentricity of the agitator is poor. After being stressed, due to the lack of support, the radial deformation is large, resulting in the overall deformation of the agitator after the agitation depth increases, the stability becomes poor, and even working hazards may occur; for the agitator with a slewing bearing structure without rolling components, after the agitator is stressed and deformed, the inner and outer slewing components come into contact. If there are no rolling components, sliding friction will occur at the contact part, and the resistance will increase exponentially compared with rolling friction. Furthermore, most of the power of the agitator is used to overcome the frictional resistance, thus reducing the working efficiency; for the double-agitation agitator without a sealing structure, the double agitation realizes interpulse agitation through the inner and outer double-layer different rotation structures. Therefore, it brings a more complex internal structure, a precise slewing bearing structure, and inevitable gaps. If the sealing is not solved well, it will inevitably accelerate the wear of the rotating structure. At the same time, after the slurry backflows, it will stay inside the agitator and the drill pipe. After a period of accumulation, it will cause the agitator to be stuck or even scrapped; for the double-agitation agitator without a crushing bit structure, it can only be used for loose material working conditions. Once the material is hard or contains impurities with slightly higher hardness, it cannot work normally, and even needs to be crushed by other crushers before agitation work, resulting in poor adaptability of the agitator and high working costs; in large-diameter work, it is also very difficult for the interpulse double agitation to achieve a perfect agitation action on a large radial working surface. Therefore, when the pile diameter is large, regular local agitation unevenness is likely to occur, resulting in local agitation defects and affecting the overall quality. Content of the Utility Model

[0003] The technical problem to be solved by the utility model is to overcome the existing defects and provide a high-turbulence multi-interpulse multi-agitation drilling and stirring composite agitator, which solves the problems that traditional agitators have difficulties in working under high fluid viscosity, poor concentricity of the agitator and difficulty in working at large depths, defects in the sealing structure resulting in backflow of slurry and impurities into the agitator, causing the agitator to be stuck and scrapped, poor agitation quality of unidirectional agitation, and local agitation unevenness in large-diameter agitation work affecting the overall quality. Compared with existing agitators, the working efficiency and equipment life are significantly improved, the equipment use and maintenance costs can be greatly reduced, and the labor intensity of workers can be reduced, effectively solving the problems in the background technique.

[0004] To achieve the above object, the utility model provides the following technical solution: a high-turbulence multi-interpenetrating multi-agitating drilling and agitating composite agitator, including an inner agitator shaft and an outer agitator shaft. The inner agitator shaft and the outer agitator shaft are connected by an intermediate rotary support. A bottom drilling tool tip is fixed at the lower end of the inner agitator shaft. A first support ring is connected to the outer side of the lower end of the inner agitator shaft by an intermediate rotary support. Four blade cross plates are evenly arranged on the outer side of the first support ring. One side of the upper end of each blade cross plate is evenly provided with a bottom slurry spraying branch pipe. A slurry spraying inner pipeline communicated with the bottom slurry spraying branch pipe is arranged inside the inner agitator shaft. Blade mounting vertical plates one are arranged on two opposite blade cross plates. Blade mounting vertical plates three are fixed on the upper surfaces of the other two blade cross plates. The upper end of the blade mounting vertical plate one is fixedly connected to the side surface of the upper end of the outer agitator shaft through an inclined plate. A second support ring is fixed on the inner agitator shaft. The second support ring is located at the lower end of the outer agitator shaft. A third support ring is connected to the outer side of the outer agitator shaft by an intermediate rotary support. A rotary floating oil seal is arranged at the connection of the intermediate rotary support. Two blade mounting vertical plates two are fixed on the outer side of the third support ring through a bracket. Two blade mounting vertical plates four are connected between the outer sides of the second support ring and the third support ring through two groups of brackets two respectively. The distances of the blade mounting vertical plate one, the blade mounting vertical plate two, the blade mounting vertical plate three and the blade mounting vertical plate four from the outer agitator shaft are arranged in sequence from outside to inside. Inclined blades are evenly arranged on the outer side of the outer agitator shaft and the inner side of the blade mounting vertical plate one. Blades are evenly arranged obliquely on both sides of the blade mounting vertical plate two, the blade mounting vertical plate three and the blade mounting vertical plate four. The blades on the blade mounting vertical plate two and the blade mounting vertical plate four are distributed at intervals with the blades on the outer agitator shaft, the blade mounting vertical plate three and the blade mounting vertical plate one.

[0005] Further, top drill pipe joints are fixed at the upper ends of both the inner agitator shaft and the outer agitator shaft. The lower end of the top drill pipe joint is of a conical structure.

[0006] Further, bottom crushing alloy teeth are evenly arranged on one side of the lower end of each blade cross plate. The bottom crushing alloy teeth are arranged obliquely.

[0007] Further, when rotating, the blades on the blade mounting vertical plate two and the blade mounting vertical plate four pass through the gaps between the blades on the outer agitator shaft, the blade mounting vertical plate three and the blade mounting vertical plate one.

[0008] Compared with the prior art, the beneficial effects of the present utility model are as follows: First, the top drill pipe joint is connected to an external driving device, and the inner shaft and outer shaft of the stirrer are driven to rotate by the rotation of the external driving device. The rotation directions of the inner shaft and outer shaft of the stirrer are opposite. The rotation of the inner shaft of the stirrer can drive the second blade mounting vertical plate and the fourth blade mounting vertical plate to rotate, while the rotation of the outer shaft of the stirrer can drive the third mounting vertical plate and the first blade mounting vertical plate to rotate. In this way, the blades on the second blade mounting vertical plate, the fourth blade mounting vertical plate, the outer shaft of the stirrer, the third mounting vertical plate and the first blade mounting vertical plate can be driven to rotate. When rotating, the blades on the second blade mounting vertical plate and the fourth blade mounting vertical plate pass through the gaps between the blades on the outer shaft of the stirrer, the third mounting vertical plate and the first blade mounting vertical plate, so that the stirring effect is better. And when rotating, the slurry enters the interior of the bottom slurry spraying branch pipe through the inner slurry spraying pipeline. The slurry can be evenly sprayed into the stirring tank through the bottom slurry spraying branch pipe. And when the inner shaft of the stirrer rotates, it can drive the bottom drill tool tip to rotate. A complete crushing drill bit can be formed by the rotation of the bottom drill tool tip and the bottom crushing alloy teeth. This high-turbulence, multi-interpenetration, multi-stirring drill-stir composite stirrer solves the problems of traditional stirrers, such as difficult operation in the case of high fluid viscosity, poor concentricity of the stirrer and difficulty in working at large depths, defects in the sealing structure resulting in the backflow of slurry and impurities into the stirrer, leading to the jamming and scrapping of the stirrer, poor mixing quality of single-direction stirring, and uneven local stirring of large-diameter stirring affecting the overall quality. Compared with the existing stirrers, the working efficiency and equipment life are significantly improved, the equipment use and maintenance costs can be greatly reduced, and the labor intensity of the staff can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0009] Figure 1 is a schematic structural view of the present utility model;

[0010] Figure 2 is a schematic side structural view of the present utility model;

[0011] Figure 3 is a schematic sectional structural view of the present utility model.

[0012] In the figure: 1 inner shaft of the stirrer, 2 outer shaft of the stirrer, 3 top drill pipe joint, 4 bottom drill tool tip, 5 first support ring, 6 blade cross plate, 7 bottom slurry spraying branch pipe, 8 first blade mounting vertical plate, 9 third blade mounting vertical plate, 10 second support ring, 11 second blade mounting vertical plate, 12 third support ring, 13 second bracket, 14 bracket, 15 fourth blade mounting vertical plate, 16 blade, 17 inner slurry spraying pipeline, 18 bottom crushing alloy teeth. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0013] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to 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. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts shall fall within the protection scope of the present utility model.

[0014] Please refer to Figures 1-3, the present utility model provides a technical solution: a high-turbulence multi-interpenetrating multi-agitating drilling and agitating composite agitator, which includes an inner agitator shaft 1 and an outer agitator shaft 2. The inner agitator shaft 1 and the outer agitator shaft 2 are connected by an intermediate rotary support. A bottom drill tip 4 is fixed at the lower end of the inner agitator shaft 1. A first support ring 5 is connected to the outer side of the lower end of the inner agitator shaft 1 by an intermediate rotary support. Four blade cross plates 6 are evenly arranged on the outer side of the first support ring 5. A bottom slurry spraying branch pipe 7 is evenly arranged on one side of the upper end of each blade cross plate 6. A slurry spraying inner pipeline 17 communicating with the bottom slurry spraying branch pipe 7 is arranged inside the inner agitator shaft 1. Among them, a first blade mounting vertical plate 8 is arranged on two opposite blade cross plates 6. A third blade mounting vertical plate 9 is fixed on the upper surfaces of the other two blade cross plates 6. The upper end of the first blade mounting vertical plate 8 is fixedly connected to the side surface of the upper end of the outer agitator shaft 2 through an inclined plate. A second support ring 10 is fixed on the inner agitator shaft 1. The second support ring 10 is located at the lower end of the outer agitator shaft 2. A third support ring 12 is connected to the outer side of the outer agitator shaft 2 by an intermediate rotary support. A rotary floating oil seal is arranged at the connection of the intermediate rotary support. The intermediate rotary support is a prior art. The intermediate rotary support includes two annular grooves, which are respectively arranged on two rotating parts, and rotating balls are arranged between the two annular grooves. The rotary floating oil seal is a prior art. The rotary floating oil seal includes two metal friction rings, and a flexible support is arranged on the outer sides of the two metal friction rings. The flexible material only serves as a support and does not bear any rotary friction, greatly improving the sealing life. Two second blade mounting vertical plates 11 are fixed on the outer side of the third support ring 12 through a bracket 14. Two fourth blade mounting vertical plates 15 are connected between the outer sides of the second support ring 10 and the outer side of the third support ring 12 through two groups of second brackets 13 respectively. The distances of the first blade mounting vertical plate 8, the second blade mounting vertical plate 11, the third blade mounting vertical plate 9 and the fourth blade mounting vertical plate 15 from the outer agitator shaft 2 are arranged in sequence from outside to inside. Inclined blades 16 are evenly arranged on the outer side of the outer agitator shaft 2 and the inner side of the first blade mounting vertical plate 8. Inclined blades 16 are evenly arranged on both sides of the second blade mounting vertical plate 11, the third blade mounting vertical plate 9 and the fourth blade mounting vertical plate 15. The blades 16 on the second blade mounting vertical plate 11 and the fourth blade mounting vertical plate 15 are distributed at intervals from the blades on the outer agitator shaft 2, the third blade mounting vertical plate 9 and the first blade mounting vertical plate 8. Top drill pipe joints 3 are fixed at the upper ends of both the inner agitator shaft 1 and the outer agitator shaft 2. The lower end of the top drill pipe joint 3 is of a conical structure. Bottom crushing alloy teeth 18 are evenly arranged on one side of the lower end of each blade cross plate 6. The bottom crushing alloy teeth 18 are inclined. When rotating, the blades 16 on the second blade mounting vertical plate 11 and the fourth blade mounting vertical plate 15 pass through the gaps between the blades 16 on the outer agitator shaft 2, the third blade mounting vertical plate 9 and the first blade mounting vertical plate 8. First, the top drill pipe joint 3 is connected to an external driving device, and the inner agitator shaft 1 and the outer agitator shaft 2 are driven to rotate by the external driving rotation, and the rotation directions of the inner agitator shaft 1 and the outer agitator shaft 2 are opposite.The rotation of the inner shaft 1 of the agitator can drive the rotation of the second blade mounting vertical plate 11 and the fourth blade mounting vertical plate 15, while the rotation of the outer shaft 2 of the agitator can drive the rotation of the third mounting vertical plate 9 and the first blade mounting vertical plate 8. In this way, the blades on the second blade mounting vertical plate 11, the fourth blade mounting vertical plate 15, the outer shaft 2 of the agitator, the third mounting vertical plate 9 and the first blade mounting vertical plate 8 can be driven to rotate. When rotating, the blades 16 on the second blade mounting vertical plate 11 and the fourth blade mounting vertical plate 15 pass through the gaps between the blades 16 on the outer shaft 2 of the agitator, the third mounting vertical plate 9 and the first blade mounting vertical plate 8, so as to make the stirring effect better. And when rotating, the slurry enters the interior of the bottom slurry spraying branch pipe 7 through the inner slurry spraying pipeline 17. Through the bottom slurry spraying branch pipe 7, the slurry can be evenly sprayed into the interior of the stirring tank. And when the inner shaft 1 of the agitator rotates, it can drive the bottom drill bit tip 4 to rotate. The rotation of the bottom drill bit tip 4 and the bottom crushing alloy teeth 18 can form a complete crushing drill bit. This high-turbulence multi-interpulse multi-stirring drill-stirring composite agitator solves the problems of traditional agitators, such as difficult operation in the case of high fluid viscosity, poor concentricity of the agitator and difficulty in working at large depths, defects in the sealing structure resulting in the backflow of slurry and impurities into the agitator, causing the agitator to be stuck and scrapped, poor mixing quality of single-direction stirring, and uneven local stirring of large-diameter stirring affecting the overall quality. Compared with existing agitators, its working efficiency and equipment life are significantly improved, the equipment use and maintenance costs can be greatly reduced, and the labor intensity of workers can be reduced.

[0015] When in use: First, the top drill pipe joint 3 is connected to an external driving device. The rotation of the external drive drives the rotation of the inner shaft 1 and the outer shaft 2 of the agitator. The rotation directions of the inner shaft 1 and the outer shaft 2 of the agitator are opposite. The rotation of the inner shaft 1 of the agitator can drive the rotation of the second blade mounting vertical plate 11 and the fourth blade mounting vertical plate 15, while the rotation of the outer shaft 2 of the agitator can drive the rotation of the third mounting vertical plate 9 and the first blade mounting vertical plate 8. In this way, the blades on the second blade mounting vertical plate 11, the fourth blade mounting vertical plate 15, the outer shaft 2 of the agitator, the third mounting vertical plate 9 and the first blade mounting vertical plate 8 can be driven to rotate. When rotating, the blades 16 on the second blade mounting vertical plate 11 and the fourth blade mounting vertical plate 15 pass through the gaps between the blades 16 on the outer shaft 2 of the agitator, the third mounting vertical plate 9 and the first blade mounting vertical plate 8, so as to make the stirring effect better. And when rotating, the slurry enters the interior of the bottom slurry spraying branch pipe 7 through the inner slurry spraying pipeline 17. Through the bottom slurry spraying branch pipe 7, the slurry can be evenly sprayed into the interior of the stirring tank. And when the inner shaft 1 of the agitator rotates, it can drive the bottom drill bit tip 4 to rotate. The rotation of the bottom drill bit tip 4 and the bottom crushing alloy teeth 18 can form a complete crushing drill bit.

[0016] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention.

Claims

1. A high-turbulence multi-interaction multi-stirring drilling and stirring composite agitator, comprising an agitator inner shaft (1) and an agitator outer shaft (2), characterized in that: The inner shaft (1) and the outer shaft (2) of the stirrer are connected via an inter-axial slewing support, a bottom drill tip (4) is fixed to the lower end of the inner shaft (1), a support ring (5) is connected to the outer side of the lower end of the inner shaft (1) via an inter-axial slewing support, four blade cross plates (6) are evenly arranged on the outer side of the support ring (5), and a bottom shotcrete branch pipe (7) is evenly arranged on one side of the upper end of each blade cross plate (6), and the inner shaft (1) of the stirrer is provided with a bottom shotcrete branch pipe (7) connected to the bottom shotcrete branch pipe (7). The invention relates to a shotcrete inner pipeline (17) connected thereto, wherein two blade transverse plates (6) facing each other are provided with blade mounting vertical plates (8), and the upper surfaces of the other two blade transverse plates (6) are fixed with blade mounting vertical plates (9), the upper ends of the blade mounting vertical plates (8) are fixedly connected to the upper end side surfaces of the agitator outer shaft (2) via an inclined plate, a support ring (10) is fixed to the agitator inner shaft (1), and the support ring (10) is located at the lower end of the agitator outer shaft (2), and the outer side of the agitator outer shaft (2) is connected to the support ring via an inter-axial rotary support. The connection between the shaft slewing support is provided with a rotating floating oil seal. Two blade mounting vertical plates 2 (11) are fixed to the outer side of the support ring 3 (12) through a bracket (14). Two blade mounting vertical plates 4 (15) are connected between the outer side of the support ring 2 (10) and the outer side of the support ring 3 (12) through two sets of brackets 2 (13). The blade mounting vertical plates 1 (8), 2 (11), 3 (9) and 4 (15) are located at a distance from the outer shaft (2) of the agitator. Arranged sequentially from the outside to the inside, the outer side of the agitator outer shaft (2) and the inner side of the blade mounting vertical plate 1 (8) are evenly provided with inclined blades (16), and both sides of the blade mounting vertical plate 2 (11), the blade mounting vertical plate 3 (9) and the blade mounting vertical plate 4 (15) are evenly provided with inclined blades (16), and the blade mounting vertical plate 2 (11) and the blade mounting vertical plate 4 (15) are spaced apart from the blades on the agitator outer shaft (2), the mounting vertical plate 3 (9) and the blade mounting vertical plate 1 (8).

2. The high turbulence multi-interaction multi-stirring drilling and stirring composite agitator according to claim 1, characterized in that: A top drill rod joint (3) is fixed to the upper ends of the stirrer inner shaft (1) and the stirrer outer shaft (2); the lower end of the top drill rod joint (3) is a conical structure.

3. The high turbulence multi-impact multi-stirring drilling and stirring composite agitator according to claim 1, characterized in that: Bottom crushing alloy teeth (18) are evenly arranged on one side of the lower end of each blade horizontal plate (6), and the bottom crushing alloy teeth (18) are arranged obliquely.

4. The high turbulence multi-impact multi-stirring drilling and stirring composite agitator according to claim 1, characterized in that: During rotation, the blades (16) on the blade mounting vertical plate 2 (11) and the blade mounting vertical plate 4 (15) pass through the gaps between the agitator outer shaft (2), the mounting vertical plate 3 (9) and the blades (16) on the blade mounting vertical plate 1 (8).

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