CN220927926U - Assembled spiral anchor foundation - Google Patents
Assembled spiral anchor foundation Download PDFInfo
- Publication number
- CN220927926U CN220927926U CN202322506075.4U CN202322506075U CN220927926U CN 220927926 U CN220927926 U CN 220927926U CN 202322506075 U CN202322506075 U CN 202322506075U CN 220927926 U CN220927926 U CN 220927926U
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- Prior art keywords
- bottom plate
- steel
- foundation
- anchor foundation
- connecting beam
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 62
- 239000010959 steel Substances 0.000 claims abstract description 62
- 239000002184 metal Substances 0.000 claims abstract description 30
- 230000005540 biological transmission Effects 0.000 claims abstract description 8
- 239000002689 soil Substances 0.000 claims abstract description 4
- 230000000149 penetrating effect Effects 0.000 claims abstract 2
- 239000004567 concrete Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 4
- 238000003466 welding Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 11
- 238000004904 shortening Methods 0.000 abstract description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000011150 reinforced concrete Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Foundations (AREA)
Abstract
The utility model provides an assembled screw anchor foundation, comprising: the bottom plate, the bottom plate connecting beam, the metal plate, the profile steel bracket and the screw anchor; the upper part of the bottom plate is detachably connected with a bottom plate connecting beam, the bottom of the steel support is connected with the bottom plate connecting beam through a metal plate, the top of the steel support is used for being connected with a power transmission tower leg, and the spiral anchor is used for sequentially penetrating through the metal plate, the bottom plate connecting beam and the bottom plate and then inserting into a soil layer; the bottom plate connecting beam part adopts prefabricated parts, so that on-site pouring is avoided, the stability of a foundation is improved on the premise of shortening the construction period, and the construction cost of the foundation is reduced.
Description
Technical Field
The utility model relates to the technical field of power engineering, in particular to an assembled screw anchor foundation.
Background
The statements in this section merely provide background information related to the present disclosure and may not necessarily constitute prior art.
The concrete foundation is difficult to adapt to the current construction and development of the power transmission line due to the defects of long construction period, high labor cost, dependence on geological conditions and the like. The spiral anchor foundation has the advantages of strong adaptability, short construction period, high strength, low labor cost and the like, can provide better performance and adaptability in the construction of the power transmission tower, and has obvious advantages.
The inventor finds that the prior engineering adopts an assembled foundation with a steel structure, but the assembled foundation has relatively high manufacturing cost, inferior durability as a reinforced concrete foundation, and the steel structure foundation has smaller rigidity and is easy to deform under the action of external force.
Disclosure of utility model
Aiming at the problems of high construction cost, small rigidity and easy deformation of the steel plate type foundation and the steel bottom plate-screw anchor combined foundation applied to the field of the existing power transmission tower foundation, the utility model provides an assembled screw anchor foundation, wherein a precast part is adopted for a square steel pipe concrete part, so that on-site pouring is avoided, the stability of the foundation is improved and the construction cost of the foundation is reduced on the premise of shortening the construction period.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A fabricated helical anchor foundation comprising: the bottom plate, the bottom plate connecting beam, the metal plate, the profile steel bracket and the screw anchor;
The upper portion of bottom plate can be dismantled and is connected with the bottom plate and connect the crossbeam, and the bottom of shaped steel support is connected with the crossbeam through the metal sheet, and the top of shaped steel support is used for being connected with transmission tower leg, and the crossbeam is connected to the bottom plate is the square steel pipe of inside embedding concrete.
As a further limitation of the utility model, the base plate includes a plurality of sub-base plates arranged at intervals, each sub-base plate being detachably connected by a base plate connecting beam.
As a further limitation of the utility model, the screw anchors are used to insert into the soil after passing sequentially through the metal plate, the floor connecting cross beam and the floor.
As a further limitation of the utility model, the steel support comprises four angle steel, the tops of the four angle steel are detachably connected, and the bottoms of the four angle steel are respectively connected with the bottom plate connecting cross beam through corresponding metal plates.
As a further limitation of the present utility model, the metal plate is a steel plate.
As a further limitation of the utility model, the metal plate, the floor connecting beam and the floor are detachably connected by bolts.
As a further limitation of the present utility model, the tops of the four angle steels are detachably connected by bolts, and the tops of the four angle steels are connected with steel sheets.
As a further limitation of the utility model, the four bevel steel are connected with bracket angle steel bevel materials.
As a further limitation of the present utility model, the bottoms of the four diagonal angles are welded to the metal plate.
As a further limitation of the utility model, the sheet metal bottom plate is welded to the cross beam.
Compared with the prior art, the utility model has the beneficial effects that:
1. The utility model creatively provides an assembled screw anchor foundation, the whole structure adopts a steel-concrete combined structure, and compared with a steel structure foundation, the assembled screw anchor foundation has the advantages of reducing the construction cost of the foundation and improving the stability of the foundation; compared with a reinforced concrete structure, the method is convenient to install, does not need to pour concrete on site, and can remarkably shorten the construction period.
2. The utility model creatively provides an assembled screw anchor foundation, the screw anchor foundation at the bottom is connected with a steel pipe concrete connecting beam, and compared with the prior scheme of being connected with a steel plate, the stability of the foundation is improved; the bottom sets up the spiral anchor basis can effectively reduce foundation ditch excavation volume, and the feature of environmental protection is high, improves the economic nature of basis.
Additional aspects of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is an elevation view of a fabricated helical anchor foundation provided by the present utility model;
FIG. 2 is a left side view of a fabricated helical anchor foundation provided by the present utility model;
FIG. 3 is a top view of a fabricated helical anchor foundation provided by the present utility model;
FIG. 4 is a front view of a floor connecting beam provided by the present utility model;
FIG. 5 is a left side view of the floor connecting beam provided by the present utility model;
Wherein, 1, a steel sheet; 2. angle steel; 2-1, a first bolt; 2-2, angle steel inclined materials of the bracket; 3. the bottom plate is connected with the cross beam; 3-1, steel plate; 3-2, a nut; 3-3, a second bolt; 4. a bottom plate; 5. a screw anchor; 6. and (5) screwing the anchor nut.
Detailed Description
The utility model will be further described with reference to the drawings and examples.
It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the utility model. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs.
It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of exemplary embodiments according to the present utility model. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.
Embodiments of the utility model and features of the embodiments may be combined with each other without conflict.
As shown in fig. 1, 2 and 3, the present utility model provides a fabricated helical anchor foundation comprising: a bottom plate 4, a bottom plate connecting beam 3 (shown in fig. 4 and 5), a metal plate, a profile steel bracket and a screw anchor 5;
The upper portion of bottom plate 4 can be dismantled and be connected with bottom plate connection crossbeam 3, and the bottom of shaped steel support is connected crossbeam 3 through the metal sheet with the bottom plate connection, and the top of shaped steel support is used for being connected with transmission tower leg, and screw anchor 5 is used for inserting the soil layer after passing metal sheet, bottom plate connection crossbeam 3 and bottom plate 4 in proper order, and screw anchor nut 6 is located on the metal sheet.
Preferably, in this embodiment, the metal plate, the bottom plate connecting beam 3 and the bottom plate 4 are detachably connected through a second bolt 3-33-3 (the reference numeral 3-2 is a nut thereof), and the second bolt 3-3 passes through the steel plate 3-1, the bottom plate connecting beam 3 and the bottom plate 4 to fix the metal plate, the bottom plate 4 and the bottom plate 4, so as to avoid the hidden trouble of instability and even dislocation of the bottom plate 4 and the bottom plate 4 beam.
Preferably, in this embodiment, the base plate 4 includes a plurality of sub-base plates 4 arranged at intervals, and each sub-base plate 4 is detachably connected by the base plate connecting beam 3.
Preferably, in this embodiment, the floor connecting beam 3 is a square steel tube with concrete embedded inside (i.e., the outer layer of the floor connecting beam 3 is a square steel tube, and the inside is concrete, which is prefabricated in the factory).
Preferably, in this embodiment, the profile steel bracket includes four bevel steel 2, the top of the four bevel steel 2 is detachably connected, and the bottoms of the four bevel steel 2 are respectively connected with the bottom plate connecting beam 3 through corresponding metal plates.
Preferably, in the present embodiment, the metal plate is a steel plate 3-1; it will be appreciated that in other implementations, other metal plates that are not easily rusted and that can be welded may be used, and will not be described in detail herein.
Preferably, in the embodiment, the tops of the four bevel steel 2 are detachably connected through a first bolt 2-1, the tops of the four bevel steel 2 are connected with a steel sheet 1, and bracket angle steel inclined materials 2-2 are connected between the four bevel steel 2; or alternatively, the upper fire bending design of the angle steel 2 is connected with the tower leg of the upper power transmission tower.
More specifically, in this embodiment, the bottoms of the four bevel steels 2 are welded with the metal plate, the metal plate bottom plate is connected with the cross beam 3, and the three are welded with each other, so that the welding area is increased, and the connection between the angle steels 2 and the bottom plate is more stable.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (10)
1. An assembled screw anchor foundation, which is characterized in that,
Comprising the following steps: the bottom plate, the bottom plate connecting beam, the metal plate, the profile steel bracket and the screw anchor;
The upper portion of bottom plate can be dismantled and is connected with the bottom plate and connect the crossbeam, and the bottom of shaped steel support is connected with the crossbeam through the metal sheet, and the top of shaped steel support is used for being connected with transmission tower leg, and the crossbeam is connected to the bottom plate is the square steel pipe of inside embedding concrete.
2. The fabricated helical anchor foundation of claim 1, wherein,
The bottom plate includes a plurality of sub-bottom plates of interval arrangement, and each sub-bottom plate passes through the bottom plate connection crossbeam and can dismantle the connection.
3. The fabricated helical anchor foundation of claim 1, wherein,
The spiral anchor is used for penetrating through the metal plate, the bottom plate, the connecting beam and the bottom plate in sequence and then inserting into the soil layer.
4. The fabricated helical anchor foundation of claim 1, wherein,
The steel support comprises four angle steel, the tops of the four angle steel are detachably connected, and the bottoms of the four angle steel are connected with the bottom plate connecting beam through corresponding metal plates respectively.
5. The fabricated helical anchor foundation of any one of claims 1-4, wherein,
The metal plate is a steel plate.
6. The fabricated helical anchor foundation of any one of claims 1-4, wherein,
The metal plate, the bottom plate connecting beam and the bottom plate are detachably connected through bolts.
7. The fabricated helical anchor foundation of claim 4, wherein,
The tops of the four angle steels are detachably connected through bolts, and steel sheets are connected to the tops of the four angle steels.
8. The fabricated helical anchor foundation of claim 4, wherein,
And bracket angle steel inclined materials are connected among the four inclined angle steels.
9. The fabricated helical anchor foundation of claim 4, wherein,
The bottoms of the four diagonal angles are welded with the metal plate.
10. The fabricated helical anchor foundation of claim 4 or 9, wherein,
And welding the metal plate bottom plate with the cross beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322506075.4U CN220927926U (en) | 2023-09-14 | 2023-09-14 | Assembled spiral anchor foundation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322506075.4U CN220927926U (en) | 2023-09-14 | 2023-09-14 | Assembled spiral anchor foundation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220927926U true CN220927926U (en) | 2024-05-10 |
Family
ID=90933906
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322506075.4U Active CN220927926U (en) | 2023-09-14 | 2023-09-14 | Assembled spiral anchor foundation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220927926U (en) |
-
2023
- 2023-09-14 CN CN202322506075.4U patent/CN220927926U/en active Active
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