CN214116587U - Prefabricated spiral steel pile foundation - Google Patents
Prefabricated spiral steel pile foundation Download PDFInfo
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- CN214116587U CN214116587U CN202022911656.2U CN202022911656U CN214116587U CN 214116587 U CN214116587 U CN 214116587U CN 202022911656 U CN202022911656 U CN 202022911656U CN 214116587 U CN214116587 U CN 214116587U
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Abstract
The utility model relates to a prefabricated spiral steel pile basis, including a plurality of spiral steel piles, screed-coat, go up steel pipe linkage segment and precast concrete cushion cap, set up a plurality of steel pile fixed orificess on the precast concrete cushion cap, spiral steel pile penetrate the screed-coat downwards, the top of spiral steel pile and the bottom fixed connection of last steel pipe linkage segment, precast concrete cushion cap lid establish on the screed-coat, last steel pipe linkage segment be located the steel pile fixed orifices, the steel pile fixed orifices in pour concrete. Compared with the prior art, the utility model discloses a precast concrete cushion cap, spiral piling bar are as the structure basis, squeeze into the spiral piling bar and utilize steel pipe linkage section and precast concrete cushion cap cooperation after the screed-coat, install fixed spiral piling bar, the utility model discloses it is quick convenient to install, and is little to the destruction of construction environment, and low to artificial required precision, adopt concrete structure cost low, and the utility model discloses a precast concrete cushion cap stable in structure, bear the weight of the dynamic height, stability is strong.
Description
Technical Field
The utility model relates to a prefabricated basis especially relates to a prefabricated spiral steel pile basis.
Background
The spiral steel pile is a miniature prefabricated steel pile, the main structure of which is a steel pipe, and a plurality of spiral blades are welded at the end part of the steel pipe within a certain range. Generally, the pile steel tube is typically within 300mm in diameter and within 4m in length. The stress mechanism of the screw is similar to that of common screws in daily life, and the screw is screwed into soil by a matched machine. The device is mainly used for solar photovoltaic supports, street lamps, small trestles, pit wall and side slope supports, offshore structure inhaul cables, geotechnical test counter-force devices and other structures or cast-in-place foundations with small stress. When the existing spiral steel pile is installed and used, the spiral steel pile is directly cast in place after being driven into the ground, the requirement on labor is high, the installation speed is low, and the bearing capacity is relatively weak.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a prefabricated spiral steel pile foundation in order to overcome the defect that above-mentioned prior art exists.
The purpose of the utility model can be realized through the following technical scheme:
the utility model provides a prefabricated spiral steel pile basis, includes a plurality of spiral steel piles, screed-coat, goes up steel pipe linkage segment and precast concrete cushion cap, precast concrete cushion cap on seted up a plurality of steel pile fixed orificess, the spiral steel pile penetrate the screed-coat downwards, the top of spiral steel pile and the bottom fixed connection who goes up the steel pipe linkage segment, precast concrete cushion cap lid establish on the screed-coat, last steel pipe linkage segment be located the steel pile fixed orifices, the steel pile fixed orifices in pour concrete.
Preferably, the upper steel pipe connecting section comprises an upper steel pipe and an upper node plate, the upper node plate is fixedly arranged at the bottom of the upper steel pipe, the spiral steel pile comprises a spiral blade steel pipe and a lower node plate, the lower node plate is fixedly arranged at the top of the spiral blade steel pipe, and the upper node plate is fixedly connected with the lower node plate.
Preferably, the prefabricated spiral steel column foundation further comprises bolts, screw holes are correspondingly formed in the upper node plate and the lower node plate, and the upper node plate and the lower node plate are fixedly connected through the bolts and the screw holes.
Preferably, the steel pile fixing hole comprises an upper through hole and a lower through hole, the lower through hole is located below the upper through hole, the aperture of the lower through hole is larger than that of the upper through hole, and the upper node plate and the lower node plate are arranged in the lower through hole.
Preferably, the concrete is fine stone concrete.
Preferably, the leveling layer is a sand soil leveling layer.
Preferably, four steel pile fixing holes are formed in the precast concrete bearing platform.
Preferably, the four steel pile fixing holes are arranged in a 2 × 2 manner.
Preferably, nine steel pile fixing holes are formed in the precast concrete bearing platform.
Preferably, the nine steel pile fixing holes are arranged in a 3 × 3 manner.
Compared with the prior art, the utility model discloses a precast concrete cushion cap, spiral piling bar are as the structure basis, squeeze into the spiral piling bar and utilize steel pipe linkage section and precast concrete cushion cap cooperation after the screed-coat, install fixed spiral piling bar, the utility model discloses it is quick convenient to install, and is little to the destruction of construction environment, and low to artificial required precision, adopt concrete structure cost low, and the utility model discloses a precast concrete cushion cap stable in structure, bear the weight of the dynamic height, stability is strong.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural view of the spiral steel pile of the present invention;
FIG. 3 is a schematic structural view of the upper steel pipe connection section of the present invention;
FIG. 4 is a schematic structural view of the precast concrete platform of the present invention;
FIG. 5 is a schematic top view of the precast concrete platform of the present invention;
fig. 6 is a schematic view of the overlooking structure of the utility model with four steel pile fixing holes;
fig. 7 is a schematic view of the overlooking structure of the utility model with nine steel pile fixing holes.
The steel pile comprises 1 part of a spiral steel pile, 1-1 part of a spiral blade steel pipe, 1-2 parts of a lower node plate, 2 parts of a leveling layer, 3 parts of an upper steel pipe connecting section, 3-1 parts of an upper steel pipe, 3-2 parts of an upper node plate, 4 parts of a precast concrete bearing platform, 5 parts of concrete, 6 parts of a bolt, 7 parts of a steel pile fixing hole, 7-1 parts of an upper through hole, 7-2 parts of a lower through hole.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. Note that the following description of the embodiments is merely an example of the nature, and the present invention is not intended to limit the application or the use thereof, and the present invention is not limited to the following embodiments.
Examples
The utility model provides a prefabricated spiral steel pile basis, as shown in fig. 1, 4, 5, including a plurality of spiral steel piles 1, screed-coat 2, go up steel pipe linkage segment 3 and precast concrete cushion cap 4, a plurality of steel pile fixed orificess 7 have been seted up on the precast concrete cushion cap 4, spiral steel pile 1 penetrates screed-coat 2 downwards, the top of spiral steel pile 1 and the bottom fixed connection of last steel pipe linkage segment 3, precast concrete cushion cap 4 covers establishes on screed-coat 2, it is located steel pile fixed orifices 7 to go up steel pipe linkage segment 3, concrete 5 is pour in the steel pile fixed orifices 7.
As shown in fig. 2 and 3, in order to improve the connection strength between the spiral steel pile 1 and the upper steel pipe connection section 3, the upper steel pipe connection section 3 comprises an upper steel pipe 3-1 and an upper node plate 3-2, the upper node plate 3-2 is fixedly arranged at the bottom of the upper steel pipe 3-1, the spiral steel pile 1 comprises a spiral blade steel pipe 1-1 and a lower node plate 1-2, the lower node plate 1-2 is fixedly arranged at the top of the spiral blade steel pipe 1-1, and the upper node plate 3-2 is fixedly connected with the lower node plate 1-2.
In one embodiment of the utility model, the prefabricated spiral steel column foundation further comprises a bolt 6, the upper gusset plate 3-2 and the lower gusset plate 1-2 are correspondingly provided with screw holes, and the upper gusset plate 3-2 and the lower gusset plate 1-2 are fixedly connected through the bolt 6 and the screw holes; in another embodiment of the present invention, the upper gusset plate 3-2 and the lower gusset plate 1-2 are fixedly connected by welding.
As shown in FIG. 4, in order to adapt to the structure of the upper steel pipe connecting section 3 and improve the fixing strength, the steel pile fixing hole 7 comprises an upper through hole 7-1 and a lower through hole 7-2, the lower through hole 7-2 is positioned below the upper through hole 7-1, the aperture of the lower through hole 7-2 is larger than that of the upper through hole 7-1, and the upper node plate 3-2 and the lower node plate 1-2 are arranged in the lower through hole 7-2.
In this embodiment, in order to improve the strength and the stability of the prefabricated spiral steel column foundation, the concrete 5 is fine aggregate concrete, and the leveling layer 2 is a sand leveling layer.
The utility model discloses an among the embodiment, as shown in fig. 6, four piling bar fixed orificess 7 have been seted up on precast concrete cushion cap 4, and four piling bar fixed orificess 7 are 2 x 2 and arrange.
The utility model discloses an in another kind of embodiment, as shown in fig. 7, seted up nine piling bar fixed orificess 7 on the precast concrete cushion cap 4, nine piling bar fixed orificess 7 are 3 x 3 and arrange.
The utility model discloses during concrete construction use, utilize screed-coat 2 earlier to make level the place, the compaction, then squeeze into spiral steel pile 1 on screed-coat 2 to steel pipe linkage segment 3 on spiral steel pile 1's top fixed mounting, the precast concrete cushion cap 4 is established to the lid, with steel pipe linkage segment 3 insert establish into steel pile fixed orifices 7 in, concreting 5 realizes the construction of whole basis in steel pile fixed orifices 7.
The above embodiments are merely examples and do not limit the scope of the present invention. These embodiments may be implemented in other various manners, and various omissions, substitutions, and changes may be made without departing from the technical spirit of the present invention.
Claims (10)
1. The utility model provides a prefabricated spiral steel pile basis, its characterized in that includes a plurality of spiral steel piles (1), screed-coat (2), goes up steel pipe linkage segment (3) and precast concrete cushion cap (4), precast concrete cushion cap (4) on seted up a plurality of steel pile fixed orificess (7), spiral steel pile (1) penetrate screed-coat (2) downwards, the top of spiral steel pile (1) and the bottom fixed connection who goes up steel pipe linkage segment (3), precast concrete cushion cap (4) lid establish on screed-coat (2), last steel pipe linkage segment (3) be located steel pile fixed orifices (7), steel pile fixed orifices (7) in concreting (5).
2. A prefabricated spiral steel pile foundation according to claim 1, wherein the upper steel pipe connecting section (3) comprises an upper steel pipe (3-1) and an upper gusset plate (3-2), the upper gusset plate (3-2) is fixedly arranged at the bottom of the upper steel pipe (3-1), the spiral steel pile (1) comprises a spiral blade steel pipe (1-1) and a lower gusset plate (1-2), the lower gusset plate (1-2) is fixedly arranged at the top of the spiral blade steel pipe (1-1), and the upper gusset plate (3-2) is fixedly connected with the lower gusset plate (1-2).
3. The prefabricated spiral steel pile foundation as claimed in claim 2, wherein the prefabricated spiral steel pile foundation further comprises bolts (6), the upper gusset plate (3-2) and the lower gusset plate (1-2) are correspondingly provided with screw holes, and the upper gusset plate (3-2) and the lower gusset plate (1-2) are fixedly connected through the bolts (6) and the screw holes.
4. A prefabricated spiral steel pile foundation according to claim 2, wherein the steel pile fixing hole (7) comprises an upper through hole (7-1) and a lower through hole (7-2), the lower through hole (7-2) is positioned below the upper through hole (7-1), the aperture of the lower through hole (7-2) is larger than that of the upper through hole (7-1), and the upper node plate (3-2) and the lower node plate (1-2) are arranged in the lower through hole (7-2).
5. A prefabricated screw steel pile foundation according to claim 1, characterized in that said concrete (5) is fine stone concrete.
6. A prefabricated spiral steel pile foundation according to claim 1, characterized in that said screed (2) is a sand screed.
7. A prefabricated spiral steel pile foundation according to claim 1, wherein four steel pile fixing holes (7) are formed in the prefabricated concrete bearing platform (4).
8. A prefabricated screw steel pile foundation according to claim 1, wherein said four steel pile fixing holes (7) are arranged in a 2 x 2 pattern.
9. A prefabricated spiral steel pile foundation according to claim 1, wherein nine steel pile fixing holes (7) are formed in the prefabricated concrete bearing platform (4).
10. A prefabricated screw steel pile foundation according to claim 1, wherein said nine steel pile fixing holes (7) are arranged in a 3 x 3 pattern.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022911656.2U CN214116587U (en) | 2020-12-07 | 2020-12-07 | Prefabricated spiral steel pile foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022911656.2U CN214116587U (en) | 2020-12-07 | 2020-12-07 | Prefabricated spiral steel pile foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214116587U true CN214116587U (en) | 2021-09-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022911656.2U Active CN214116587U (en) | 2020-12-07 | 2020-12-07 | Prefabricated spiral steel pile foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214116587U (en) |
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2020
- 2020-12-07 CN CN202022911656.2U patent/CN214116587U/en active Active
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