CN216739584U - Miniature steel-pipe pile supporting construction of slip casting - Google Patents
Miniature steel-pipe pile supporting construction of slip casting Download PDFInfo
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- CN216739584U CN216739584U CN202220146712.4U CN202220146712U CN216739584U CN 216739584 U CN216739584 U CN 216739584U CN 202220146712 U CN202220146712 U CN 202220146712U CN 216739584 U CN216739584 U CN 216739584U
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Abstract
The utility model belongs to the technical field of the construction of building pile post, especially, relate to miniature steel-pipe pile supporting construction of slip casting. A miniature steel pipe pile is vertically placed in the drilling pit groove, a plurality of grouting communicating grooves are arranged in the middle of the miniature steel pipe pile in a staggered mode, and a supporting anchor is further arranged in the middle of the miniature steel pipe pile; the supporting anchor consists of an inner groove, a communicating hole, a connecting shaft, an external expanding anchor, a micro magnetic head and an external expanding ear edge; a communicating hole is formed in the middle of the inner groove, an outer port of the inner groove is connected with an outward-expanding anchor through a connecting shaft at the upper end of the inner groove, and a micro magnetic head is embedded into the bottom of the outward-expanding anchor; the external expansion anchor is matched and attached to the outer port of the inner groove through a connecting shaft and the micro magnetic head; the middle of one side of the external expansion anchor is provided with an external expansion ear edge. The structure of the traditional steel pipe pile is improved, so that a stable anchoring structure is kept between the steel pipe pile and the grouting concrete, and the rigidity of the pile is increased; and delamination at the joint of the steel pipe pile and the grouting concrete is avoided.
Description
Technical Field
The utility model belongs to the technical field of the construction of building pile post, especially, relate to miniature steel-pipe pile supporting construction of slip casting.
Background
In recent years, micro slide-resistant piles such as micro steel pipe piles, micro cast-in-situ bored piles and the like are widely applied to reinforcement treatment of small and medium side slopes and achieve good effects. The construction steps generally include drilling, inserting pipes (ribs), grouting, and the like. Firstly, drilling holes in an area needing reinforcement according to design requirements according to engineering geological survey data, then inserting small-diameter steel pipes or steel tendons into the drilled holes, finally pouring concrete, and tightly combining the small-diameter steel pipes or the steel tendons with the concrete to form the micro-piles, so that the anti-skid reinforcement effect is achieved.
However, the existing miniature slide-resistant pile sometimes has insufficient slide-resistant capability of a single pile due to the small diameter of the steel pipe pile; the concrete combination of the steel pipe pile is easy to be unstable, and the problems of internal delamination and cracking occur.
SUMMERY OF THE UTILITY MODEL
Aiming at solving the problems of the defects and the shortcomings of the prior art; the utility model aims at providing a grouting miniature steel pipe pile supporting structure with simple structure, reasonable design and convenient use, which improves the structure of the traditional steel pipe pile, keeps a stable anchoring structure between the steel pipe pile and the grouting concrete and increases the rigidity of the pile; the problem that the concrete pile column is cracked inside due to delamination at the joint of the steel pipe pile and the grouting concrete is avoided.
In order to achieve the above object, the utility model adopts the following technical scheme: the pile comprises a drilling pit slot, a miniature steel pipe pile, a grouting communication slot and a supporting anchor; a miniature steel pipe pile is vertically placed in the drilling pit slot, a plurality of grouting communication slots are arranged in the middle of the miniature steel pipe pile in a staggered mode, and a supporting anchor is further arranged in the middle of the miniature steel pipe pile; the supporting anchor consists of an inner groove, a communication hole, a connecting shaft, an external expansion anchor, a micro magnetic head and an external expansion ear edge; a communication hole is formed in the middle of the inner groove, an outer port of the inner groove is connected with an external expansion anchor through a connecting shaft at the upper end, and a micro magnetic head is embedded into the bottom of the external expansion anchor; the external expansion anchor is matched and attached to the outer port of the inner groove through the connection shaft and the micro magnetic head; the middle of one side of the external expansion anchor is provided with an external expansion ear edge.
Preferably, the external expanding anchor is expanded outwards and embedded into the grouting concrete to form a supporting anchor under the action of the external expanding lug edge and the grouting concrete under the reverse rotation of the micro steel pipe pile.
Preferably, the top end of the miniature steel pipe pile is provided with a negative pressure suction connecting seat; and the negative pressure suction connecting seat is connected with a vacuum pump, so that the grouting concrete is filled in the miniature steel pipe pile from the grouting communicating groove and the communicating hole.
Preferably, the inner surface of the flaring anchor is provided with a frosted barb structure, and the outer surface of the flaring anchor is a smooth plane.
Preferably, the flaring anchor and the micro steel pipe pile are kept in the same radian.
After the structure is adopted, the utility model discloses beneficial effect does: the structure of the traditional steel pipe pile is improved, so that a stable anchoring structure is kept between the steel pipe pile and the grouting concrete, and the rigidity of the pile is increased; the problem that the concrete pile column is cracked inside due to delamination at the joint of the steel pipe pile and the grouting concrete is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention is described in detail by the following specific embodiments and the accompanying drawings.
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the supporting anchor 4 of the present invention;
fig. 3 is a plan view of the supporting anchor 4 of the present invention;
description of reference numerals: the device comprises a drilling pit slot 1, a miniature steel pipe pile 2, a grouting communication slot 3, a support anchor 4, a negative pressure suction connecting seat 5, an inner groove 41, a communication hole 42, a connecting shaft 43, an outward expansion anchor 44, a micro magnetic head 45 and an outward expansion ear edge 46.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described below with reference to specific embodiments shown in the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
It should also be noted that, in order to avoid obscuring the invention with unnecessary details, only the structures and/or process steps that are closely related to the solution according to the invention are shown in the drawings, while other details that are not relevant to the invention are omitted.
Referring to fig. 1 to fig. 3, the following technical solutions are adopted in the present embodiment: the pile comprises a drilling pit slot 1, a miniature steel pipe pile 2, a grouting communication slot 3 and a supporting anchor 4; a miniature steel pipe pile 2 is vertically placed in the drilling pit slot 1, a plurality of grouting communicating slots 3 are arranged in the middle of the miniature steel pipe pile 2 in a staggered mode, and a supporting anchor 4 is further arranged in the middle of the miniature steel pipe pile 2; wherein, the supporting anchor 4 is composed of an inner groove 41, a communication hole 42, a connecting shaft 43, an external expanding anchor 44, a micro magnetic head 45 and an external expanding ear edge 46; a communication hole 42 is arranged in the middle of the inner groove 41, an external port of the inner groove 41 is connected with an external expansion anchor 44 through a connecting shaft 43 at the upper end, and a micro magnetic head 45 is embedded in the bottom of the external expansion anchor 44; the external expansion anchor 44 is matched and jointed with the external port of the inner groove 41 through the connecting shaft 43 and the micro magnetic head 45; the flaring anchor 44 is provided with a flaring ear edge 46 at the middle of one side.
The external expansion anchor 44 is expanded outwards and embedded into the grouting concrete to form a supporting anchor under the action of the external expansion lug edge 46 and the grouting concrete when the micro steel pipe pile 2 rotates reversely. And in the reverse rotation process, the external expanding ear edge 46 at one side of the external expanding anchor 44 is expanded outwards under the resistance of pouring concrete to form a fixed anchor, so that the combination stability of the steel pipe pile and the concrete is improved.
In addition, a negative pressure suction connecting seat 5 is arranged at the top end of the miniature steel pipe pile 2; the negative pressure suction connecting seat 5 is connected with a vacuum pump, so that the grouting concrete is filled in the miniature steel pipe pile 2 from the grouting communicating groove 3 and the communicating hole 42. The negative pressure suction connecting seat 5 performs suction effect on the inside of the steel pipe pile, so that the poured concrete can fill the inside of the steel pipe pile from the grouting communicating groove 3 and the communicating hole 42, and the integral rigidity of the concrete is improved.
Further, the inner surface of the flaring anchor 44 is provided with a frosted barb structure, and the outer surface of the flaring anchor 44 is a smooth plane; the outward expansion anchor 44 and the micro steel pipe pile 2 keep the same radian.
The work flow of the specific embodiment is as follows: firstly, drilling by a drilling machine, and vertically lowering a miniature steel pipe pile 2 into a drilling pit slot 1; then, pouring concrete into the drilling pit 1; synchronously and reversely rotating the miniature steel pipe pile 2 in the concrete pouring process, when the support anchor 4 is submerged by concrete, the miniature steel pipe pile 2 which reversely rotates drives the external expansion anchor 44 on the surface to synchronously rotate, and the external expansion ear edge 46 at one side of the external expansion anchor 44 leads the concrete inwards into the external expansion anchor 44 to expand, and exposes the communication hole 42; at the same time, the negative pressure suction connecting seat 5 at the top end of the miniature steel pipe pile 2 sucks the concrete, so that the concrete is filled in the steel pipe pile through the grouting communication groove 3 and the communication hole 42.
After adopting above-mentioned structure, this embodiment beneficial effect does: the structure of the traditional steel pipe pile is improved, so that a stable anchoring structure is kept between the steel pipe pile and the grouting concrete, and the rigidity of the pile is increased; the problem that the concrete pile column is cracked inside due to delamination at the joint of the steel pipe pile and the grouting concrete is avoided.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (5)
1. Miniature steel-pipe pile supporting construction of slip casting, its characterized in that: the pile comprises a drilling pit slot (1), a miniature steel pipe pile (2), a grouting communicating slot (3) and a supporting anchor (4); a miniature steel pipe pile (2) is vertically placed in the drilling pit slot (1), a plurality of grouting communication slots (3) are arranged in the middle of the miniature steel pipe pile (2) in a staggered mode, and a supporting anchor (4) is further arranged in the middle of the miniature steel pipe pile (2); the supporting anchor (4) consists of an inner groove (41), a communication hole (42), a connecting shaft (43), an external expanding anchor (44), a micro magnetic head (45) and an external expanding lug edge (46); a communication hole (42) is formed in the middle of the inner groove (41), an outer port of the inner groove (41) is connected with an outward expansion anchor (44) through a connecting shaft (43) at the upper end, and a micro magnetic head (45) is embedded into the bottom of the outward expansion anchor (44); the external expansion anchor (44) is matched and attached to the outer end of the inner groove (41) through a connecting shaft (43) and a micro magnetic head (45); the middle of one side of the external expansion anchor (44) is provided with an external expansion ear edge (46).
2. The grouting micro steel pipe pile supporting structure according to claim 1, characterized in that: the external expansion anchor (44) is unfolded outwards and embedded into the grouting concrete to form a supporting anchor under the action of the reverse rotation of the miniature steel pipe pile (2) and the external expansion lug edge (46) and the grouting concrete.
3. The grouting micro steel pipe pile supporting structure according to claim 1, characterized in that: the top end of the miniature steel pipe pile (2) is provided with a negative pressure suction connecting seat (5); the negative pressure suction connecting seat (5) is connected with a vacuum pump, so that the grouting concrete is filled in the miniature steel pipe pile (2) from the grouting communicating groove (3) and the communicating hole (42).
4. The grouting micro steel pipe pile supporting structure according to claim 1, characterized in that: the inner surface of the outward expansion anchor (44) is of a frosted barb structure, and the outer surface of the outward expansion anchor (44) is of a smooth plane.
5. The grouting micro steel pipe pile supporting structure according to claim 1, characterized in that: the outward expansion anchor (44) and the miniature steel pipe pile (2) keep the same radian.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220146712.4U CN216739584U (en) | 2022-01-20 | 2022-01-20 | Miniature steel-pipe pile supporting construction of slip casting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220146712.4U CN216739584U (en) | 2022-01-20 | 2022-01-20 | Miniature steel-pipe pile supporting construction of slip casting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216739584U true CN216739584U (en) | 2022-06-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220146712.4U Active CN216739584U (en) | 2022-01-20 | 2022-01-20 | Miniature steel-pipe pile supporting construction of slip casting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216739584U (en) |
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2022
- 2022-01-20 CN CN202220146712.4U patent/CN216739584U/en active Active
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