CN219470909U - High-pressure jet grouting pile machine - Google Patents
High-pressure jet grouting pile machine Download PDFInfo
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- CN219470909U CN219470909U CN202320520656.0U CN202320520656U CN219470909U CN 219470909 U CN219470909 U CN 219470909U CN 202320520656 U CN202320520656 U CN 202320520656U CN 219470909 U CN219470909 U CN 219470909U
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- stirring
- rotary spraying
- jet grouting
- lifting device
- pressure jet
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Abstract
The utility model belongs to the technical field of foundation construction, and discloses a high-pressure jet grouting pile machine which is used for reinforcing a reinforced soil body and comprises the following components: the device comprises a frame, a lifting device, a rotary spraying device and a stirring device; the lifting device is connected with the frame in a sliding way and can move along the vertical direction; the rotary spraying device comprises a rotary spraying pipe, the upper end of the rotary spraying pipe is connected with the lifting device, the lower end of the rotary spraying pipe is provided with a spraying head, and the rotary spraying pipe can rotate around the axis of the rotary spraying pipe and can move up and down along with the lifting device; the stirring device comprises at least two stirring pipes, the stirring pipes are uniformly distributed around the axis of the rotary spraying pipe at intervals, the upper ends of the stirring pipes are connected with the lifting device, stirring heads are arranged at the lower ends of the stirring pipes, the stirring pipes can rotate around the axis of the stirring pipes and can move up and down along with the lifting device, the soil outside the rotary spraying device is enabled to be uniform, the soil reinforcing effect on the soil is better, the soil in the center and the outside of the rotary spraying device can be uniformly reinforced, multiple construction is avoided, the construction efficiency is improved, and the construction cost is reduced.
Description
Technical Field
The utility model relates to the technical field of foundation construction, in particular to a high-pressure jet grouting pile machine.
Background
In various large-scale constructions, because the construction device or the building has larger dead weight, the strength of the soil body at the construction site is required to be larger, and if the strength of the soil body is not in accordance with the requirement, potential safety hazards can be caused, and the construction quality can be influenced.
In traditional soil body reinforcement, construction methods such as single-layer, double-layer and triple-layer jet grouting piles are often adopted, soil bodies are rotationally stirred through a high-pressure jet grouting pile machine, reinforcement mediums such as water, gas and slurry are injected into required construction soil through a jet grouting pipe to be reinforced, the soil bodies are reinforced unevenly in the mode, soil bodies at the center of the piles are evenly stirred, cement grouting is even correspondingly, the effect is good, the outer sides of the piles are often unevenly stirred, the grouting effect also does not meet the design requirement, the grouting effect is particularly obvious when the composite material soil bodies are particularly met, the reinforcement is required to be carried out for multiple times, the construction progress is slow, and the construction cost is increased.
Disclosure of Invention
The utility model aims to provide a high-pressure jet grouting pile machine which can fully stir soil bodies, so that grouting is uniform and full, and the best reinforcement effect is achieved.
To achieve the purpose, the utility model adopts the following technical scheme:
a high pressure jet grouting pile machine for reinforcing a soil body to be reinforced, comprising:
a frame;
the lifting device is connected with the rack in a sliding manner and can move along the vertical direction;
the rotary spraying device comprises a rotary spraying pipe, the upper end of the rotary spraying pipe is connected with the lifting device, the lower end of the rotary spraying pipe is provided with a slurry spraying head, and the rotary spraying pipe can rotate around the axis of the rotary spraying pipe and can move up and down along with the lifting device;
the stirring device comprises at least two stirring pipes, wherein each stirring pipe is uniformly distributed around the axis of the rotary spraying pipe at intervals, the upper end of each stirring pipe is connected with the lifting device, the lower end of each stirring pipe is provided with a stirring head, and each stirring pipe can rotate around the axis of the stirring pipe and can move up and down along with the lifting device.
Preferably, the stirring head comprises a stirring shaft and a plurality of stirring blades, and the position of each stirring blade is lower than the position of the guniting head in the vertical direction.
Preferably, a plurality of stirring blades are uniformly distributed at intervals around the stirring shaft to form stirring rings, and the stirring rings are uniformly distributed at intervals along the axis of the stirring head.
Preferably, the stirring device comprises two stirring pipes.
Preferably, the stirring blades of the two stirring pipes are staggered, and the two mutually staggered stirring blades in the two stirring pipes have an overlapping area along the radial direction.
Preferably, the stirring head is detachably connected with the stirring pipe.
Preferably, the frame comprises a supporting frame and a supporting shaft, the supporting shaft is connected with the supporting frame and perpendicular to the ground, and the lifting device is in sliding connection with the supporting shaft.
Preferably, the lifting device further comprises a lifting driving assembly, wherein the lifting driving assembly is arranged on the supporting frame and connected with the lifting device, and the lifting driving assembly can drive the lifting device to move in the vertical direction.
Preferably, the rotary spraying device further comprises a first driving assembly, and the first driving assembly can drive the rotary spraying pipe to rotate.
Preferably, the stirring device further comprises a plurality of second driving assemblies, and each second driving assembly can drive one stirring pipe to rotate.
The beneficial effects are that: the utility model provides a high-pressure jet grouting pile machine which comprises a frame, a lifting device, a jet grouting device and a stirring device. The rotary spraying device and the stirring device are connected with the lifting device, the lifting device can drive the rotary spraying device and the stirring device to move up and down, the stirring head can rotate around the axis of the stirring head in the downward moving process to stir the soil body with the coverage area, large-volume soil blocks in the soil body are smashed, and the soil body is enabled to be even and full of gaps; the rotary spraying device can rotate around the axis of the rotary spraying device in the downward moving process to spray the reinforcing medium at high pressure on the soil body which is uniformly stirred around the rotary spraying device, and gaps at the position of the reinforcing soil body are filled to reinforce the soil. Because each stirring pipe winds the axis interval evenly distributed of whirl spray tube, consequently agitating unit can let the soil body in the whirl spray device outside equally even, makes the reinforcement effect of whirl spray device to the soil body better, and the central point of soil body puts and outside position can obtain the same reinforcement effect, has avoided multiple construction, has improved the efficiency of construction, has reduced construction cost.
Drawings
FIG. 1 is a front view of a high pressure jet grouting pile machine provided by an embodiment of the present utility model;
fig. 2 is a side view of a high pressure jet grouting pile machine provided by an embodiment of the present utility model.
In the figure:
1. a frame; 11. a support frame; 12. a support shaft;
2. a lifting device;
31. a rotary spray pipe; 32. a guniting head; 33. a first drive assembly;
41. a stirring tube; 42. a stirring head; 421. a stirring shaft; 422. stirring blades; 43. a second drive assembly;
5. and a lifting driving assembly.
Detailed Description
The utility model 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 thereof. It should be further noted that, for convenience of description, only some, but not all of the structures related to the present utility model are shown in the drawings.
In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" 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 as appropriate by those of ordinary skill in the art.
In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.
In the description of the present embodiment, the terms "upper", "lower", "right", etc. orientation or positional relationship are based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.
The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.
Referring to fig. 1-2, the present embodiment provides a high-pressure jet grouting pile machine for reinforcing a soil body to be reinforced, the high-pressure jet grouting pile machine including: the device comprises a frame 1, a lifting device 2, a rotary spraying device and a stirring device; the lifting device 2 is in sliding connection with the frame 1, and the lifting device 2 can move along the vertical direction; the rotary spraying device comprises a rotary spraying pipe 31, the upper end of the rotary spraying pipe 31 is connected with the lifting device 2, the lower end of the rotary spraying pipe 31 is provided with a spraying head 32, the rotary spraying pipe 31 can rotate around the axis of the rotary spraying pipe and can move up and down along with the lifting device 2, and soil mass with a certain depth can be reinforced; the stirring device comprises at least two stirring pipes 41, the stirring pipes 41 are uniformly distributed around the axis of the rotary spraying pipe 31 at intervals, the upper ends of the stirring pipes 41 are connected with the lifting device 2, the lower ends of the stirring pipes 41 are provided with stirring heads 42, the stirring pipes 41 can rotate around the axis of the stirring pipes and can move up and down along with the lifting device 2, and soil bodies with certain depth can be stirred.
In the soil body reinforcing operation, the lifting device 2 can drive the rotary spraying device and the stirring device to move up and down, the stirring head 42 rotates around the axis of the stirring head in the downward moving process to stir the soil body with a covered area, so that large-volume soil blocks in the soil body are broken, and the soil body is even and fills gaps; the rotary spraying device can rotate around the axis of the rotary spraying device in the downward moving process to spray the reinforcing medium at high pressure on the soil body which is uniformly stirred around the rotary spraying device, and gaps at the position of the reinforcing soil body are filled to reinforce the soil. The stirring device can enable the soil body outside the rotary spraying device to be uniform equally, so that the reinforcing effect of the rotary spraying device on the soil is better, the soil in the center and the outside of the rotary spraying device can be reinforced equally, multiple construction is avoided, the construction efficiency is improved, and the construction cost is reduced.
The stirring head 42 comprises a stirring shaft 421 and a plurality of stirring blades 422, the position of each stirring blade 422 along the vertical direction is lower than the position of the guniting head 32, in the soil body reinforcing operation process, the stirring head 42 always passes through deeper soil bodies than the guniting head 32, so that the stirring head 42 can not stir the soil bodies which are sprayed with reinforcing substances by the guniting head 32 in the stirring process, and the reinforcing effect is prevented from being influenced.
The size of the stirring blade 422 is not limited herein, and may be set according to actual construction needs.
Specifically, the stirring blades 422 are uniformly distributed at intervals around the stirring shaft 421 to form stirring rings, and the stirring rings are uniformly distributed at intervals along the axis of the stirring head 42, so that each layer of soil body is stirred once by a plurality of stirring rings along with the sinking of the stirring pipe 41, the soil body is stirred for a plurality of times, and the stirring effect of the stirring pipe 41 on the soil body is better and more uniform.
The number of the stirring pipes 41 is not limited here, and a plurality of stirring pipes 41 may be provided on the peripheral side of the rotary jetting tool according to actual circumstances, and two stirring pipes 41 are specifically provided in the present embodiment.
Specifically, the stirring blades 422 of the two stirring pipes 41 are staggered, the two stirring blades 422 staggered in the two stirring pipes 41 have an overlapping area along the radial direction, and the overlapping area is positioned under the guniting head 32, so that the soil body has no dead angle and is uniformly stirred, and meanwhile, the soil body under the guniting head 32 is stirred, so that the resistance in the downward moving process of the guniting head 32 can be reduced, and the service life of the guniting head 32 is prolonged.
The connection mode of the stirring head 42 and the stirring pipe 41 is not limited, and the stirring head 42 and the stirring pipe 41 can be detachably connected or fixedly connected, in this embodiment, the stirring head 42 is detachably connected with the stirring pipe 41, the stirring head 42 is a fragile product, when the stirring head 42 is damaged, the stirring head 42 needs to be replaced, the difficulty of replacing the stirring head 42 can be reduced due to the detachable connection, and the maintenance cost is reduced.
The rotary spraying device further comprises a first driving assembly 33, the first driving assembly 33 can drive the rotary spraying pipe 31 to rotate, and the rotary spraying pipe 31 rotates to uniformly spray reinforcing medium to soil on the periphery.
The stirring device further comprises a plurality of second driving assemblies 43, and each second driving assembly 43 can drive one stirring pipe 41 to rotate, and the stirring pipe 41 rotates to uniformly stir soil covered by the stirring ring.
The first driving assembly 33 and the second driving assembly 43 are both connected to the lifting device 2 and can move along with the lifting device 2, and specific types of the first driving assembly 33 and the second driving assembly 43 are not limited herein, in this embodiment, the first driving assembly 33 and the second driving assembly 43 are motors, which directly drive the cyclone tube 31 and the stirring tube 41 to rotate, and in other embodiments, the first driving assembly 33 and the second driving assembly 43 may also be a structure that the motors are matched with a speed reducer, and the motors drive the cyclone tube 31 and the stirring tube 41 to rotate through the speed reducer.
The frame 1 comprises a supporting frame 11 and a supporting shaft 12, the supporting shaft 12 is connected with the supporting frame 11 and is perpendicular to the ground, the lifting device 2 is slidably connected with the supporting shaft 12, and the supporting shaft 12 can position the moving route of the lifting device 2, so that the lifting device 2 can move along the axial direction of the supporting shaft 12, namely, the vertical direction.
The high-pressure jet grouting pile machine further comprises a lifting driving assembly 5, wherein the lifting driving assembly 5 is arranged on the supporting frame 11 and is connected with the lifting device 2, and the lifting driving assembly 5 can drive the lifting device 2 to move in the vertical direction.
The lifting drive assembly 5 comprises a motor, a gear and a rack, wherein the rack is fixedly connected with the support shaft 12 and is arranged along the axis of the support shaft 12, the gear is connected with an output shaft of the motor and is meshed with the rack, the gear can start to rotate when the lifting drive assembly 5 is started, and the lifting device 2 can displace along with the displacement of the gear on the rack.
The length of the rack is not limited herein, and may be set according to actual construction requirements, so that the depth reached by the stirring head 42 is greater than the depth of the reinforced soil body.
The general working process of the high-pressure jet grouting pile machine provided by the embodiment is as follows:
the second driving assembly 43 is started to enable the stirring pipe 41 to start rotating, then the lifting driving assembly 5 is started to enable the lifting device 2 to move downwards in the vertical direction, along with the downward movement of the lifting device 2, the stirring head 42 starts stirring the soil when the stirring head 42 contacts the soil, the first driving assembly 33 is started when the lifting device 2 continues to move downwards until the slurry spraying head 32 contacts the soil, the slurry spraying head 32 starts rotating and sprays reinforcing medium to reinforce the stirred soil, and the operation is stopped until the stirring head 42 moves downwards below the required reinforcing depth.
It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Various obvious changes, rearrangements and substitutions can be made by those skilled in the art without departing from the scope of the utility model. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.
Claims (10)
1. The high-pressure jet grouting pile machine is used for reinforcing a soil body to be reinforced and is characterized by comprising:
a frame (1);
the lifting device (2) is connected with the frame (1) in a sliding manner, and the lifting device (2) can move along the vertical direction;
the rotary spraying device comprises a rotary spraying pipe (31), wherein the upper end of the rotary spraying pipe (31) is connected with the lifting device (2), a slurry spraying head (32) is arranged at the lower end of the rotary spraying pipe (31), and the rotary spraying pipe (31) can rotate around the axis of the rotary spraying pipe and can move up and down along with the lifting device (2);
stirring device, including two at least churns (41), each churns (41) are around the axis interval evenly distributed of revolving spray tube (31), the upper end of churns (41) with elevating gear (2) are connected, the lower extreme of churns (41) is provided with stirring head (42), churns (41) can rotate and can reciprocate along with elevating gear (2) around self axis.
2. The high pressure jet grouting pile machine as claimed in claim 1, characterised in that the stirring head (42) comprises a stirring shaft (421) and a plurality of stirring blades (422), the position of each stirring blade (422) being vertically lower than the position of the grouting head (32).
3. A high pressure jet grouting pile machine as claimed in claim 2, characterised in that a plurality of said stirring blades (422) are evenly spaced around said stirring shaft (421) to form stirring rings, a plurality of said stirring rings being evenly spaced along the axis of said stirring head (42).
4. A high pressure jet grouting pile machine as claimed in claim 3, characterised in that the stirring means comprises two said stirring tubes (41).
5. High pressure jet grouting pile machine according to claim 4, characterised in that the stirring blades (422) of the two stirring pipes (41) are staggered, the two stirring blades (422) of the two stirring pipes (41) staggered with each other having an overlapping area in the radial direction.
6. High pressure jet grouting pile machine according to claim 1, characterised in that the stirring head (42) is detachably connected to the stirring tube (41).
7. High pressure jet grouting pile machine according to claim 1, characterised in that the frame (1) comprises a support frame (11) and a support shaft (12), the support shaft (12) is connected with the support frame (11) and is perpendicular to the ground, and the lifting device (2) is slidingly connected with the support shaft (12).
8. The high-pressure jet grouting pile machine according to claim 1, further comprising a lifting driving assembly (5), wherein the lifting driving assembly (5) is arranged on a supporting frame (11) and is connected with the lifting device (2), and the lifting driving assembly (5) can drive the lifting device (2) to move in the vertical direction.
9. High pressure jet grouting pile machine according to claim 1, characterised in that the jet grouting device further comprises a first drive assembly (33), the first drive assembly (33) being capable of driving the jet grouting pipe (31) in rotation.
10. A high pressure jet grouting pile machine as claimed in claim 1, characterised in that the stirring device further comprises a plurality of second drive assemblies (43), each second drive assembly (43) being capable of driving one of the stirring tubes (41) in rotation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320520656.0U CN219470909U (en) | 2023-03-17 | 2023-03-17 | High-pressure jet grouting pile machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320520656.0U CN219470909U (en) | 2023-03-17 | 2023-03-17 | High-pressure jet grouting pile machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219470909U true CN219470909U (en) | 2023-08-04 |
Family
ID=87440236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320520656.0U Active CN219470909U (en) | 2023-03-17 | 2023-03-17 | High-pressure jet grouting pile machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219470909U (en) |
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2023
- 2023-03-17 CN CN202320520656.0U patent/CN219470909U/en active Active
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