CN220450835U - Safe and efficient double-shaft stirring pile machine - Google Patents
Safe and efficient double-shaft stirring pile machine Download PDFInfo
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- CN220450835U CN220450835U CN202320519111.8U CN202320519111U CN220450835U CN 220450835 U CN220450835 U CN 220450835U CN 202320519111 U CN202320519111 U CN 202320519111U CN 220450835 U CN220450835 U CN 220450835U
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- stirring
- pore canals
- pipe
- safe
- grouting pipe
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- 238000003756 stirring Methods 0.000 title claims abstract description 45
- 239000011148 porous material Substances 0.000 claims abstract description 27
- 239000007921 spray Substances 0.000 claims abstract description 24
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- 230000005540 biological transmission Effects 0.000 claims description 23
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 239000004568 cement Substances 0.000 abstract description 28
- 239000002002 slurry Substances 0.000 abstract description 18
- 238000010276 construction Methods 0.000 abstract description 6
- 230000000903 blocking effect Effects 0.000 abstract description 3
- 238000007569 slipcasting Methods 0.000 abstract 4
- 239000007788 liquid Substances 0.000 abstract 3
- 238000009825 accumulation Methods 0.000 abstract 1
- 239000002689 soil Substances 0.000 description 7
- 238000000034 method Methods 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000011440 grout Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Consolidation Of Soil By Introduction Of Solidifying Substances Into Soil (AREA)
Abstract
The application discloses safe and efficient biax stirring stake machine, in the work progress, after the cement thick liquid of slip casting mouth is spouted, the compressed air of round a plurality of second pore is with the accumulation cement thick liquid of slip casting mouth from the mouth of pipe of slip casting pipe for the mouth of pipe of slip casting pipe is blockked up to cement thick liquid. Then, a circle of compressed air of a plurality of first pore canals sprays cement slurry towards the periphery of the pile hole, so that the cement slurry can be uniformly distributed. The safe and efficient double-shaft stirring pile machine reduces the blocking probability of grouting pipes and improves the construction efficiency of engineering piles. The utility model solves the problems that the guniting nozzle of the traditional cement mixing pile machine is easy to be blocked and the guniting is difficult to be uniformly diffused.
Description
Technical Field
The utility model relates to the technical field of stirring pile machines, in particular to a safe and efficient double-shaft stirring pile machine.
Background
The cement stirring pile is an effective form for soft foundation treatment, and is characterized by that cement is used as main agent of curing agent, and the cement is sprayed into soil body by means of stirring pile machine and fully stirred so as to make cement and soil produce a series of physical-chemical reactions, so that the soft soil is hardened and the foundation strength is raised. The cement mixing piles are divided into single-shaft, double-shaft and triaxial mixing piles according to the construction method mainly used.
The conventional pile forming method of the cement mixing pile machine (such as the cement mixing pile machine disclosed in patent number CN202210792996.9 of China) has some problems, such as poor fluidity of cement slurry in soil, difficulty in uniform diffusion, large pile of cement slurry near a slurry spraying nozzle, serious shortage of slurry amount at a far position, easy blockage of the slurry spraying nozzle by crushed soil, and natural lack of cement slurry in the soil, so that cement soil of the pile body is not compact and uneven after mixing, and the pile forming quality is seriously reduced.
Disclosure of Invention
In order to overcome the defects existing in the prior art, a safe and efficient double-shaft stirring pile machine is provided, so that the problems that a guniting nozzle of a traditional cement stirring pile machine is easy to block and guniting is difficult to uniformly spread are solved.
In order to achieve the above purpose, a safe and efficient double-shaft stirring pile machine is provided, which comprises:
the stirring device comprises a rack, wherein a power head is arranged at the upper part of the rack, two stirring shafts which are oppositely arranged are arranged on the power head, and a stirring drill bit is detachably arranged at the lower end of each stirring shaft;
the grouting pipe is arranged on the power head, the grouting pipe is arranged between the two stirring shafts, the grouting pipe is connected with a booster pump, and the lower end of the grouting pipe extends to the upper part of the stirring drill bit;
the gas transmission steel pipe is installed in the power head and sleeved outside the grouting pipe, the upper end of the gas transmission steel pipe is connected with an air compressor, the lower end of the gas transmission steel pipe is connected with a spray head, a sleeve hole is formed in the middle of the spray head, the sleeve hole is sleeved at the lower end of the grouting pipe, a plurality of first pore canals and a plurality of second pore canals are formed in the spray head, the first pore canals and the second pore canals are respectively arranged at intervals along the circumferential direction of the sleeve hole, the first pore canals are arranged at the outer sides of the second pore canals, one ends of the first pore canals and the second pore canals are respectively communicated with the lower end of the gas transmission steel pipe, the second end of the first pore canals penetrates through the side part of the spray head and is outwards and downwards inclined, and the second end of the second pore canals penetrates through the bottom of the spray head and inwards and downwards inclined.
Further, the lower end of the grouting pipe is in an inverted cone shape, and a plurality of grouting outlets are formed in the side face of the lower end of the grouting pipe.
Further, the first portholes and the second portholes are staggered.
Further, the outer diameter of the spray head is gradually reduced from the middle of the spray head to the opposite ends of the spray head.
Further, the frame is provided with a limiting frame, the limiting frame is provided with three limiting holes, and the stirring shaft and the gas transmission steel pipe are respectively and movably arranged in the three limiting holes in a penetrating mode.
The safe and efficient double-shaft stirring pile machine has the beneficial effects that in the construction process, after the cement slurry at the grouting opening is sprayed out, the accumulated cement slurry at the grouting opening is dispersed from the pipe orifice of the grouting pipe by a circle of compressed air of a plurality of second pore canals, so that the pipe orifice of the grouting pipe is blocked by the cement slurry. Then, a circle of compressed air of a plurality of first pore canals sprays cement slurry towards the periphery of the pile hole, so that the cement slurry can be uniformly distributed. The safe and efficient double-shaft stirring pile machine reduces the blocking probability of grouting pipes and improves the construction efficiency of engineering piles.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the following drawings, in which:
fig. 1 is a schematic structural diagram of a safe and efficient dual-shaft stirring pile machine according to an embodiment of the utility model.
Fig. 2 is a schematic structural view of a stirring shaft according to an embodiment of the present utility model.
Fig. 3 is a schematic structural diagram of a spray head according to an embodiment of the present utility model.
Fig. 4 is a schematic layout view of a first duct and a second duct according to an embodiment of the present utility model.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.
It should be noted that, in the case of no conflict, the embodiments and features in the embodiments may be combined with each other. The present application will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
Referring to fig. 1 to 4, the present utility model provides a safe and efficient dual-shaft mixing pile machine, comprising: the grouting device comprises a frame 1, a grouting pipe 2 and a gas transmission steel pipe 3.
The frame is fixedly arranged on the ground. A power head 11 is mounted on the upper part of the frame 1. The power head 11 is provided with two stirring shafts 12 which are oppositely arranged. The lower end of the stirring shaft 12 is detachably provided with a stirring drill bit 121.
The grouting pipe 2 is mounted on the power head 11. The grouting pipe 2 is arranged between two stirring shafts 12. The grouting pipe 2 is connected with a booster pump. The lower end of the grouting pipe 2 extends above the stirring drill 121.
The gas transmission steel pipe 3 is mounted on the power head 11. The inner diameter of the gas transmission steel pipe is larger than that of the grouting pipe. The gas transmission steel pipe 3 is sleeved outside the grouting pipe 2. And a ventilation cavity is formed between the inner wall of the gas transmission steel pipe and the outer wall of the grouting pipe.
The two stirring shafts are arranged side by side and at intervals. The grouting pipe and the gas transmission steel pipe are arranged between the two stirring shafts. The grouting pipe, the gas transmission steel pipe and the stirring shaft are arranged in the same direction.
The upper end of the gas transmission steel pipe 3 is connected with an air compressor. The lower end of the gas transmission steel pipe 3 is connected with a spray head 31. The gas transmission steel pipe is detachably connected with a spray head through threads or flanges.
Specifically, referring to fig. 3 and 4, a socket 310 is formed at the middle of the spray head 31. The inner diameter of the trepanning is adapted to the outer diameter of the grouting pipe. The sleeve hole 310 is sleeved at the lower end of the grouting pipe 2.
With continued reference to fig. 3 and 4, the nozzle 31 has a plurality of first passages 311 and a plurality of second passages 312 formed therein. The plurality of first cells 311 and the plurality of second cells 312 are respectively arranged at intervals along the circumferential direction of the sleeve hole 310.
Referring to fig. 4, the first plurality of holes 311 and the second plurality of holes 312 are respectively arranged in a ring shape. The first plurality of cells 311 and the second plurality of cells 312 are staggered. Wherein the first plurality of cells 311 are disposed outside the second plurality of cells 312.
One ends of the first duct 311 and the second duct 312 are respectively connected to the lower end of the gas delivery pipe 3.
The second ends of the first holes 311 penetrate the side of the spray head 31 and are disposed to be inclined outward and downward. The ports at the second end of the first duct are arranged in a divergent manner outwards.
The second ends of the second passages 312 penetrate the bottom of the nozzle 31 and are disposed obliquely inward and downward. The ports at the second end of the second pore canal are distributed in a convergent manner in the grouting direction of the grouting pipe.
As a preferred embodiment, the lower end of the grouting pipe 2 has an inverted conical shape. A plurality of grout outlets 20 are formed in the side surface of the lower end of the grouting pipe 2.
The safe and efficient double-shaft stirring pile machine provided by the utility model has the advantages that in the construction process, after the cement slurry at the grouting opening is sprayed out, the accumulated cement slurry at the grouting opening is dispersed from the pipe orifice of the grouting pipe by a circle of compressed air with a plurality of second pore canals, so that the pipe orifice of the grouting pipe is blocked by the cement slurry. Then, a circle of compressed air of a plurality of first pore canals sprays cement slurry towards the periphery of the pile hole, so that the cement slurry can be uniformly distributed. The safe and efficient double-shaft stirring pile machine reduces the blocking probability of grouting pipes and improves the construction efficiency of engineering piles.
With continued reference to fig. 3, the outer diameter of the spray head 31 gradually decreases from the middle of the spray head 31 toward opposite ends of the spray head 31.
As a preferred embodiment, referring to fig. 2, the frame 1 is provided with a limiting frame 13. Three limiting holes are formed in the limiting frame 13. The stirring shaft 12 and the gas transmission steel pipe 3 are respectively and movably penetrated in the three limiting holes.
The limiting frame is a steel plate, and three limiting holes are formed in the steel plate. The space of the limiting hole is adapted to the outer diameter of the stirring shaft or the gas transmission steel pipe, so that the stirring shaft or the gas transmission steel pipe can slide along the axial direction of the limiting hole.
The foregoing description is only of the preferred embodiments of the present application and is presented as a description of the principles of the technology being utilized. It will be appreciated by persons skilled in the art that the scope of the utility model referred to in this application is not limited to the specific combinations of features described above, but it is intended to cover other embodiments in which any combination of features described above or equivalents thereof is possible without departing from the spirit of the utility model. Such as the above-described features and technical features having similar functions (but not limited to) disclosed in the present application are replaced with each other.
Claims (5)
1. Safe efficient biax stirring stake machine, its characterized in that includes:
the stirring device comprises a rack, wherein a power head is arranged at the upper part of the rack, two stirring shafts which are oppositely arranged are arranged on the power head, and a stirring drill bit is detachably arranged at the lower end of each stirring shaft;
the grouting pipe is arranged on the power head, the grouting pipe is arranged between the two stirring shafts, the grouting pipe is connected with a booster pump, and the lower end of the grouting pipe extends to the upper part of the stirring drill bit;
the gas transmission steel pipe is installed in the power head and sleeved outside the grouting pipe, the upper end of the gas transmission steel pipe is connected with an air compressor, the lower end of the gas transmission steel pipe is connected with a spray head, a sleeve hole is formed in the middle of the spray head, the sleeve hole is sleeved at the lower end of the grouting pipe, a plurality of first pore canals and a plurality of second pore canals are formed in the spray head, the first pore canals and the second pore canals are respectively arranged at intervals along the circumferential direction of the sleeve hole, the first pore canals are arranged at the outer sides of the second pore canals, one ends of the first pore canals and the second pore canals are respectively communicated with the lower end of the gas transmission steel pipe, the second end of the first pore canals penetrates through the side part of the spray head and is outwards and downwards inclined, and the second end of the second pore canals penetrates through the bottom of the spray head and inwards and downwards inclined.
2. The safe and efficient double-shaft stirring pile machine according to claim 1, wherein the lower end of the grouting pipe is in an inverted conical shape, and a plurality of grouting outlets are formed in the side face of the lower end of the grouting pipe.
3. The safe and efficient double-shaft mixing pile machine according to claim 1, wherein a plurality of the first holes and a plurality of the second holes are staggered.
4. The machine of claim 1, wherein the outer diameter of the nozzle tapers from the middle of the nozzle to opposite ends of the nozzle.
5. The safe and efficient double-shaft stirring pile machine according to claim 1, wherein the frame is provided with a limiting frame, the limiting frame is provided with three limiting holes, and the stirring shaft and the gas transmission steel pipe are respectively and movably arranged in the three limiting holes in a penetrating mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320519111.8U CN220450835U (en) | 2023-12-04 | 2023-12-04 | Safe and efficient double-shaft stirring pile machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320519111.8U CN220450835U (en) | 2023-12-04 | 2023-12-04 | Safe and efficient double-shaft stirring pile machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220450835U true CN220450835U (en) | 2024-02-06 |
Family
ID=89728865
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320519111.8U Active CN220450835U (en) | 2023-12-04 | 2023-12-04 | Safe and efficient double-shaft stirring pile machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220450835U (en) |
-
2023
- 2023-12-04 CN CN202320519111.8U patent/CN220450835U/en active Active
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