CN219081480U - Three-dimensional multiaxis cement soil agitating unit - Google Patents
Three-dimensional multiaxis cement soil agitating unit Download PDFInfo
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- CN219081480U CN219081480U CN202222532973.2U CN202222532973U CN219081480U CN 219081480 U CN219081480 U CN 219081480U CN 202222532973 U CN202222532973 U CN 202222532973U CN 219081480 U CN219081480 U CN 219081480U
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Abstract
The utility model belongs to the technical field of cement mixing pile diaphragm wall mixing devices, and particularly relates to a three-dimensional multi-shaft cement mixing device. The device comprises a plurality of drill rods, a plurality of groups of external digging stirring pieces and a plurality of groups of three-dimensional stirring devices, wherein the drill rods are sequentially arranged at intervals, and a drill bit is arranged at the bottom of each drill rod; the plurality of groups of external digging stirring sheets are arranged on the peripheral surface of the lower part of the drill rods at intervals, and the external digging stirring sheets on two adjacent drill rods are arranged at intervals; the three-dimensional stirring device is in transmission connection with the drill rod, and a stirring blade for stirring materials on the side face of the drill rod is arranged on the three-dimensional stirring device. The utility model is used for solving the problem that the traditional cement stirring device is not thoroughly stirred.
Description
Technical Field
The utility model belongs to the technical field of cement mixing pile diaphragm wall mixing devices, and particularly relates to a three-dimensional multi-shaft cement mixing device.
Background
There are various methods for the impermeable treatment of the foundation, and the cement-soil mixing pile impermeable wall technology is widely applied as an effective treatment technology in the last decades. The cement-soil mixing pile impervious wall technology is a technology which is characterized in that cement and soil are subjected to in-situ forced mixing through a pile machine, and then the strength and the impervious performance of the reinforced soil are improved through a series of physical-chemical reactions generated between the cement and the soil. The cement mixing pile impervious wall technology has the advantages of high mechanization degree, simple and quick construction and the like, and can effectively improve the impervious performance of the foundation.
However, in recent years, a great deal of engineering practices show that in the construction process of the traditional cement-soil mixing pile diaphragm wall, the wall is not thoroughly and unevenly mixed due to a single horizontal mixing mode, so that the local impervious performance of the wall is poor, and the application of the cement-soil mixing pile diaphragm wall is severely restricted.
Disclosure of Invention
The technical problem that this application embodiment to solve lies in overcoming prior art's not enough, provides a three-dimensional multiaxis cement soil diaphragm wall agitating unit for solve the not thorough problem of traditional cement agitating unit stirring.
The technical scheme for solving the technical problems in the embodiment of the application is as follows: a three-dimensional multi-axis cement soil stirring device, comprising:
the drill rods are sequentially arranged at intervals, and drill bits are arranged at the bottoms of the drill rods;
the plurality of groups of external digging stirring pieces are arranged on the peripheral surface of the lower part of the drill rod at intervals, and the external digging stirring pieces on two adjacent drill rods are arranged at intervals;
the three-dimensional stirring devices are in transmission connection with the drill rods, and stirring blades used for stirring materials on the sides of the drill rods are arranged on the three-dimensional stirring devices.
Compared with the prior art, the technical scheme has the following beneficial effects:
through the outer stirring piece of digging of multiunit and three-dimensional agitating unit, make cement soil stirring stake carry out the three-dimensional stirring of full pile body, mix more thoroughly, even to avoided necking down and emit thick liquid phenomenon, when having guaranteed stirring stake pile body cement incorporation volume, improved the overall quality of pile body on a large scale, and improved construction speed, practiced thrift the time limit.
Further, the three-dimensional stirring device includes:
the inner shaft is perpendicular to the drill rod, a first transmission tooth is fixed on the inner shaft, and a second transmission tooth in meshed transmission connection with the first transmission tooth is fixedly sleeved on the drill rod;
the stirring blade is arranged at the end part of the inner shaft.
Further, two ends of the inner shaft extend out to two sides of the drill rod respectively, and the stirring blades are arranged at the end parts of the two inner shafts.
Further, the stirring blade comprises two stirring blades which are arranged in a crisscross manner.
Further, the three-dimensional stirring device further comprises a sealing box, the first transmission gear and the second transmission gear are arranged in the sealing box, and the inner shaft and the drill rod are rotatably connected to the sealing box through a sealing bearing.
Further, stirring blades on two adjacent three-dimensional stirring devices are arranged in a staggered mode.
Further, the first transmission teeth are simultaneously meshed with the second transmission teeth on two adjacent sides.
Further, the stirring blade and the external digging stirring piece are respectively provided with a plurality of wear-resistant rake teeth.
Further, the drill rods are divided into two groups, the two groups of drill rods are arranged alternately in sequence, the first group of drill rods are provided with guniting holes at the lower ends, and the second group of drill rods are provided with air spraying holes at the lower ends.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present utility model, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of the overall structure of the present utility model.
Fig. 2 is a schematic cross-sectional view of the present utility model.
FIG. 3 is a schematic diagram of the structure of the three-dimensional stirring device in the utility model.
FIG. 4 is a schematic view of the structure of the external digging stirring sheet in the present utility model.
Reference numerals:
1. a drill rod; 2. a drill bit; 3. digging and stirring the slices outside;
4. a three-dimensional stirring device;
41. an inner shaft; 42. a stirring blade; 43. a seal box;
421. stirring sheets;
5. a first drive tooth; 6. a second drive tooth;
7. sealing the bearing;
8. wear resistant rake teeth;
9. a guniting hole; 10. and the air injection holes.
Detailed Description
Embodiments of the technical scheme of the present utility model will be described in detail below with reference to the accompanying drawings. The following examples are only for more clearly illustrating the technical aspects of the present utility model, and thus are merely examples, and are not intended to limit the scope of the present utility model.
It is noted that unless otherwise indicated, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model pertains.
In the description of the present application, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. In the description of the present utility model, the meaning of "plurality" is two or more unless specifically defined otherwise.
In this application, unless specifically stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 to 4, the three-dimensional multi-shaft cement soil stirring device provided by the embodiment of the utility model comprises: five drill rods, ten groups of external digging stirring pieces and four groups of three-dimensional stirring devices are sequentially arranged at intervals, and a drill bit is installed at the bottom of each drill rod.
Two groups of external digging stirring sheets are arranged on the peripheral surface of the lower part of each drill rod at intervals, and the external digging stirring sheets on two adjacent drill rods are arranged at intervals.
Four sets of three-dimensional stirring devices are in one-to-one correspondence and are in transmission connection with a drill rod, the three-dimensional stirring devices are driven to rotate through the drill rod, and stirring blades for stirring materials on the side face of the drill rod are arranged on the three-dimensional stirring devices.
Through the outer stirring piece of digging of multiunit and three-dimensional agitating unit, make cement soil stirring stake carry out the three-dimensional stirring of full pile body, mix more thoroughly, even to avoided necking down and emit thick liquid phenomenon, when having guaranteed stirring stake pile body cement incorporation volume, improved the overall quality of pile body on a large scale, and improved construction speed, practiced thrift the time limit.
Wherein, three-dimensional agitating unit includes: an inner shaft and a stirring blade.
The inner shaft is perpendicular to the drill rod, a first transmission gear is fixed on the inner shaft, a second transmission gear meshed with the first transmission gear is sleeved and fixed on the drill rod, driving force on the drill rod is transmitted to the inner shaft through the first transmission gear and the second transmission gear which are meshed with each other, and the stirring blade is mounted at the end part of the inner shaft and further drives the stirring blade on the inner shaft to rotate.
The stirring blade can be installed at any one end or two ends of the inner shaft according to actual installation, the two ends of the inner shaft extend out to the two sides of the drill rod respectively, and the two ends of the inner shaft are provided with the stirring blade so as to be used for stirring cement soil at the two sides.
Wherein, stirring blade includes two stirring pieces that are crisscross setting.
In this embodiment, three-dimensional agitating unit still includes the seal box, and the seal box is installed in the upper portion position of drilling rod, first drive tooth and second drive tooth set up in the seal box to prevent that mud and other impurity from influencing rotation and the meshing of first drive tooth and second drive tooth, interior axle with the drilling rod pass through seal bearing rotate connect in the seal box, specifically, when interior axle runs through seal box both sides face, rotate seal connection with the seal box through seal bearing, when the drilling rod runs through both sides about the seal box, rotate seal connection with the seal box through seal shaft.
Specifically, the first transmission gear and the second transmission gear both adopt 45-degree bevel gears, a fixed bevel gear is arranged and fixed on a drill rod, a movable bevel gear is arranged and fixed on an inner shaft, the drill rod drives the fixed bevel gear to rotate, and meanwhile, the fixed bevel gear and the movable bevel gear realize vertical meshing, and meanwhile, the bevel gear is pushed to drive the stirring blade to rotate.
And stirring blades on two adjacent three-dimensional stirring devices are arranged in a staggered manner and are used for fully stirring the materials on the side surfaces.
In this embodiment, the first driving gear is meshed with the second driving gear on two adjacent sides simultaneously, so as to ensure the overall rotation coordination of the whole drill rod and the three-dimensional stirring device.
The drill rod, the stirring blade, the external digging stirring blade and the drill bit are all made of wear-resistant alloy.
The stirring blade and the external digging stirring blade are respectively provided with a plurality of abrasion-resistant rake teeth.
In this embodiment, five groups of drilling rods are divided into two groups, the two groups of drilling rods are sequentially arranged at intervals, specifically, the 1 st, 3 rd and 5 th drilling rods are a first group, the 2 nd and 4 th drilling rods are a second group, the lower ends of the first group of drilling rods are provided with spraying holes, and the lower ends of the second group of drilling rods are provided with spraying holes.
The three-dimensional multi-shaft cement soil stirring device works in the following mode:
firstly, a drill rod is started to rotate positively through a pile machine, a stirring blade is driven to rotate reversely through a first transmission tooth and a second transmission tooth which are meshed with each other, then the whole stirring device is pressed into a soil body to be reinforced downwards, meanwhile, cement paste is conveyed to 1, 3 and 5 drill rods from a spraying hole, meanwhile, 2 and 4 drill rods are aerated from the spraying hole, at the moment, the outer tunneling stirring piece and the stirring blade on the drill rods stir the cement paste and the soil body in all directions until the depth is designed, then cement paste conveying is stopped, and the drill rod continues to rotate until the pile machine lifts a tunneling stirring head to the ground and then stops.
The three-dimensional stirring of the whole pile body of the cement-soil stirring pile is realized, the stirring is more thorough and uniform, necking and slurry overflow phenomena are avoided, the cement mixing amount of the pile body of the stirring pile is ensured, and the overall quality of the impermeable wall body is improved in a large range.
The embodiment not only can ensure the construction quality of the cement soil impervious wall and avoid the problem of engineering quality, but also can accelerate the construction progress, shorten the construction period and save the investment, thereby having certain economic and social benefits.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (9)
1. A three-dimensional multi-axis cement soil stirring device, comprising:
the drill rods are sequentially arranged at intervals, and drill bits are arranged at the bottoms of the drill rods;
the plurality of groups of external digging stirring pieces are arranged on the peripheral surface of the lower part of the drill rod at intervals, and the external digging stirring pieces on two adjacent drill rods are arranged at intervals;
the three-dimensional stirring devices are in transmission connection with the drill rods, and stirring blades used for stirring materials on the sides of the drill rods are arranged on the three-dimensional stirring devices.
2. The three-dimensional multi-axis soil cement stirring device of claim 1, wherein the three-dimensional stirring device comprises:
the inner shaft is perpendicular to the drill rod, a first transmission tooth is fixed on the inner shaft, and a second transmission tooth in meshed transmission connection with the first transmission tooth is fixedly sleeved on the drill rod;
the stirring blade is arranged at the end part of the inner shaft.
3. The three-dimensional multi-shaft cement soil stirring device according to claim 2, wherein two ends of the inner shaft extend to two sides of the drill rod respectively, and the stirring blades are arranged at the end parts of the two inner shafts.
4. A three-dimensional multi-axis soil cement mixer according to claim 3, wherein the mixer blade comprises two mixer blades arranged in a crisscross arrangement.
5. The three-dimensional multi-shaft cemented soil stirring device of claim 2, further comprising a seal box, wherein the first and second drive teeth are disposed within the seal box, and the inner shaft and the drill pipe are rotatably coupled to the seal box via a seal bearing.
6. The three-dimensional multi-shaft cement soil stirring device according to claim 2, wherein stirring blades on two adjacent three-dimensional stirring devices are arranged in a staggered manner.
7. The three-dimensional multi-shaft cement soil stirring device according to claim 2, wherein the first transmission teeth are simultaneously meshed with the second transmission teeth on two adjacent sides.
8. The three-dimensional multi-shaft cement soil stirring device according to claim 1, wherein the stirring blade and the external digging stirring blade are respectively provided with a plurality of abrasion-resistant rake teeth.
9. The three-dimensional multi-shaft cement soil stirring device according to claim 1, wherein a plurality of drill rods are divided into two groups, the two groups of drill rods are arranged alternately in sequence, the lower ends of the first group of drill rods are provided with guniting holes, and the lower ends of the second group of drill rods are provided with air injection holes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222532973.2U CN219081480U (en) | 2022-09-23 | 2022-09-23 | Three-dimensional multiaxis cement soil agitating unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222532973.2U CN219081480U (en) | 2022-09-23 | 2022-09-23 | Three-dimensional multiaxis cement soil agitating unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219081480U true CN219081480U (en) | 2023-05-26 |
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ID=86388632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222532973.2U Active CN219081480U (en) | 2022-09-23 | 2022-09-23 | Three-dimensional multiaxis cement soil agitating unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219081480U (en) |
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2022
- 2022-09-23 CN CN202222532973.2U patent/CN219081480U/en active Active
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