CN108457294B - Composite material foundation capable of preventing pole tower from overturning and implementation method thereof - Google Patents
Composite material foundation capable of preventing pole tower from overturning and implementation method thereof Download PDFInfo
- Publication number
- CN108457294B CN108457294B CN201810252643.3A CN201810252643A CN108457294B CN 108457294 B CN108457294 B CN 108457294B CN 201810252643 A CN201810252643 A CN 201810252643A CN 108457294 B CN108457294 B CN 108457294B
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- tower
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- inner cylinder
- composite material
- overturning
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- 239000002131 composite material Substances 0.000 title claims abstract description 45
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000002689 soil Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims description 8
- 239000000945 filler Substances 0.000 claims description 6
- 239000000843 powder Substances 0.000 claims description 5
- 238000010276 construction Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D27/00—Foundations as substructures
- E02D27/32—Foundations for special purposes
- E02D27/42—Foundations for poles, masts or chimneys
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D2600/00—Miscellaneous
- E02D2600/20—Miscellaneous comprising details of connection between elements
Abstract
The invention provides a composite material foundation capable of preventing a tower from overturning and an implementation method thereof, which are used for providing a reliable foundation for the tower, wherein the composite material foundation comprises an outer cylinder, an inner cylinder, a bottom frame, a top frame and wing plates; the inner cylinder is arranged in the outer cylinder and the inner cylinder and the outer cylinder are coaxially arranged; the top frame transversely penetrates through the upper parts of the cylinder walls of the inner cylinder and the outer cylinder; the wing plates are horizontally fixed at the outer side end of the top frame and are close to the outer wall of the outer barrel; the underframe transversely penetrates through the lower parts of the cylinder walls of the inner cylinder and the outer cylinder and penetrates through the cylinder cavity of the inner cylinder; when the tower is erected, the tower support legs are arranged in the inner barrel and are arranged on the underframe; the invention can provide reliable foundation for erecting the tower in soft soil geology.
Description
Technical Field
The invention relates to the technical field of power supply equipment, in particular to a composite material foundation capable of preventing a tower from overturning and an implementation method thereof.
Background
The power distribution network overhead line has the foundation bearing capacity lower under the soft soil conditions such as sandy soil or silt, causes the shaft tower to topple under the effect of strong wind and causes the shaft tower to sink under the effect of pole body dead weight and wire weight, causes the potential safety hazard in the operation process easily.
The invention provides a novel foundation type for overcoming the defects caused by the fact that the overhead line of the power distribution network is located in soft soil sections such as sand lands or silt lands, and therefore a composite material foundation capable of preventing towers from overturning under soft geology such as silt lands and an implementation method of the composite material foundation.
Disclosure of Invention
The invention provides a composite material foundation capable of preventing a pole tower from overturning and an implementation method thereof, which can provide a reliable foundation for erecting the pole tower in a weak soil geological place.
The invention adopts the following technical scheme.
A composite material foundation capable of preventing a pole tower from overturning is used for providing a reliable foundation for the pole tower and comprises an outer cylinder, an inner cylinder, a bottom frame, a top frame and wing plates; the inner cylinder is arranged in the outer cylinder and the inner cylinder and the outer cylinder are coaxially arranged; the top frame transversely penetrates through the upper parts of the cylinder walls of the inner cylinder and the outer cylinder; the wing plates are horizontally fixed at the outer side end of the top frame and are close to the outer wall of the outer barrel; the underframe transversely penetrates through the lower parts of the cylinder walls of the inner cylinder and the outer cylinder and penetrates through the cylinder cavity of the inner cylinder; when the tower is erected, the tower support legs are arranged in the inner barrel and arranged on the underframe.
The composite material foundation further comprises a first filling layer arranged between the inner cylinder and the tower support leg, and fillers of the first filling layer are powdery materials.
The inner cylinder with the urceolus interval sets up, the combined material basis still includes to set up the inner cylinder with the second filling layer between the urceolus, the filler of second filling layer includes the concrete.
A clamping pad is arranged between the inner barrel and the outer barrel above the top frame; the clamping pads are fixed on the cylinder walls of the inner cylinder and the outer cylinder by screws.
A screw groove is formed in the end face of the clamping pad; the clamping pad is fixed by a screw embedded in the screw groove.
The clamping pad is formed by elastic composite materials; the inner and outer cylinder walls are pressed tightly by adjusting the screw rod; after concrete is filled between the inner cylinder and the outer cylinder, the clamping pad can be taken out along the screw groove, and the screw does not need to be detached when the clamping pad is taken out.
The underframe is fixed by pins; the underframe supports the tower support legs to prevent the tower support legs from sinking when bearing vertical load; the outer barrel, the inner barrel, the bottom frame, the top frame, the clamping pads and the wing plates are all formed by composite materials.
The wing plate is a circular ring-shaped structure formed by combining a plurality of composite material plates by fasteners and plate brackets.
The invention also provides an embodiment of an implementation method of the composite material foundation capable of preventing the tower from overturning, wherein the composite material foundation sequentially comprises the following steps when the tower is erected;
a1, assembling the outer cylinder, the inner cylinder, the underframe, the top frame, the clamping pad and the wing plate to form a combined body; a gap for filling the second filling layer is ensured between the outer cylinder and the inner cylinder; then burying the combined body in the ground;
a2, arranging the support legs of the mast tower in the inner cylinder and on the underframe;
a3, arranging a first filling layer filled and formed by powder between the tower support legs and the wall of the inner cylinder;
a4, filling a second filling layer between the outer cylinder and the inner cylinder; when the surface of the second filling layer is about to reach the clamping pad, taking out the clamping pad, and continuously filling the second filling layer until the second filling layer completely wraps the top frame;
when the pole tower on the composite material foundation is replaced, the pole tower support leg of the old pole tower is directly pulled out from the inner cylinder, and then the pole tower support leg of the new pole tower is inserted.
In the invention, the outer cylinder, the inner cylinder and the wing plates form a foundation with a large-area contact surface, so that the pressure of the tower on soft soil geology is effectively reduced, and the tower can be reliably erected on the soft soil geology and is not easy to overturn.
In the invention, the first filling layer, such as stone powder, is poured into the inner cylinder to form the buffer layer, so that the impact force on the soft soil layer when the side face of the tower shakes can be relieved, and the tower is not easy to overturn when shaking.
The wing plates fixedly connected with the inner cylinder and the outer cylinder are transversely arranged on the soil layer to form the anti-settling structure of the composite material foundation, so that the composite material foundation is not easy to settle due to weak soil when being subjected to a large load, the composite material foundation can be repeatedly utilized when a pole tower is replaced, only the old pole tower needs to be pulled out and inserted into a new pole tower, the cost is saved, and the construction efficiency is improved.
The foundation is made of composite materials, the prefabricated components are light in weight and can meet manual carrying, rapid assembly of field manpower can be achieved, the time period required by conventional concrete curing is avoided, and the foundation can be used for rapid rush repair and rapid construction under disaster environments and daily distribution network engineering construction
Drawings
The invention is described in further detail below with reference to the following figures and detailed description:
FIG. 1 is a schematic of the present invention;
FIG. 2 is a schematic top view of the card mat of the present invention;
FIG. 3 is a schematic view of the connection of the wing plate and the bracket of the present invention;
in the figure: 1-outer cylinder; 2-inner cylinder; 3-clamping the pad; 4-screw rod; 5-a chassis; 6-pin; 7-a top frame; 8-wing plate; 9-a first filling layer; 10-a second filling layer; 11-tower support legs; 71-a sheet support; 73-composite sheet material.
Detailed Description
As shown in fig. 1-3, a composite material foundation capable of preventing a pole tower from overturning is used for providing a reliable foundation for the pole tower, and comprises an outer cylinder 1, an inner cylinder 2, a bottom frame 5, a top frame 7 and wing plates 8; the inner cylinder is arranged in the outer cylinder and the inner cylinder and the outer cylinder are coaxially arranged; the top frame transversely penetrates through the upper parts of the cylinder walls of the inner cylinder and the outer cylinder; the wing plates are horizontally fixed at the outer side end of the top frame and are close to the outer wall of the outer barrel; the underframe transversely penetrates through the lower parts of the cylinder walls of the inner cylinder and the outer cylinder and penetrates through the cylinder cavity of the inner cylinder; when erecting the tower, the tower support legs 11 are disposed in the inner barrel and on the base frame.
The composite material foundation further comprises a first filling layer 9 arranged between the inner cylinder and the tower support leg, and fillers of the first filling layer 9 are powdery materials.
The inner cylinder with the urceolus interval sets up, the combined material basis still includes the setting and is in the inner cylinder with second filling layer 10 between the urceolus, the filler of second filling layer 10 includes the concrete.
A clamping pad 3 is arranged between the inner barrel and the outer barrel above the top frame; the clamping pads are fixed on the cylinder walls of the inner cylinder and the outer cylinder by a screw rod 4. The clamping pad facilitates the implementation and construction of the composite material foundation, and reference is specifically made to the embodiment of the implementation method of the composite material foundation.
A screw groove is formed in the end face of the clamping pad; the clamping pad is fixed by a screw 4 embedded in a screw groove.
The clamping pad is formed by elastic composite materials; the inner and outer cylinder walls are pressed tightly by adjusting the screw rod 4; after concrete is filled between the inner cylinder and the outer cylinder, the clamping pad can be taken out along the screw groove, and the screw does not need to be detached when the clamping pad is taken out.
The underframe 5 is fixed by a pin 5; the underframe supports the tower support legs 11 to prevent the tower support legs 11 from sinking when bearing vertical loads; the outer cylinder 1, the inner cylinder 2, the underframe 5, the top frame 7, the clamping pad 3 and the wing plate 8 are all formed by composite materials.
The wing plate 8 is a circular ring structure formed by combining a plurality of composite material plates 73 with fasteners and plate brackets 71.
The invention also provides an implementation method of the composite material foundation capable of preventing the tower from overturning, which specifically comprises the following steps in sequence when the tower is erected according to the composite material foundation;
a1, assembling the outer cylinder 1, the inner cylinder 2, the underframe 5, the top frame 7, the clamping pad 3 and the wing plate 8 to form a combined body; a gap for filling the second filling layer is ensured between the outer cylinder and the inner cylinder; then burying the combined body in the ground;
a2, arranging the support legs 11 of the mast tower in the inner cylinder and on the underframe;
a3, arranging a first filling layer filled and formed by powder between the tower support legs and the wall of the inner cylinder;
a4, filling a second filling layer between the outer cylinder and the inner cylinder; when the surface of the second filling layer is about to reach the clamping pad, taking out the clamping pad, and continuously filling the second filling layer until the second filling layer completely wraps the top frame 7;
when the pole tower on the composite material foundation is replaced, the pole tower support leg 11 of the old pole tower is directly pulled out from the inner cylinder, and then the pole tower support leg of the new pole tower is inserted.
In this example, the first filling layer is formed by filling stone powder, and the second filling layer is formed by filling concrete.
Claims (9)
1. The utility model provides a can prevent combined material basis that shaft tower topples for provide reliable ground for the shaft tower, its characterized in that: the composite material foundation comprises an outer cylinder (1), an inner cylinder (2), a bottom frame (5), a top frame (7) and wing plates (8); the inner cylinder is arranged in the outer cylinder and the inner cylinder and the outer cylinder are coaxially arranged; the top frame transversely penetrates through the upper parts of the cylinder walls of the inner cylinder and the outer cylinder; the wing plates are horizontally fixed at the outer side end of the top frame and are close to the outer wall of the outer barrel; the underframe transversely penetrates through the lower parts of the cylinder walls of the inner cylinder and the outer cylinder and penetrates through the cylinder cavity of the inner cylinder; when a tower is erected, the tower support legs (11) are arranged in the inner cylinder and are arranged on the underframe;
the wing plate (8) is a circular ring-shaped structure formed by combining a plurality of composite material plates by fasteners and plate brackets (71);
the wing plates are transversely arranged at the soil layer;
the composite foundation can be used for weak soil geology, and the weak soil geology comprises silt fields.
2. The composite material foundation capable of preventing the tower from overturning as claimed in claim 1, wherein: the tower support leg filling device is characterized by further comprising a first filling layer (9) arranged between the inner cylinder and the tower support leg, and fillers of the first filling layer are powdery materials.
3. The composite material foundation capable of preventing the tower from overturning as claimed in claim 1, wherein: the inner cylinder with the urceolus interval sets up, the combined material basis still includes setting up second filling layer (10) between the inner cylinder with the urceolus, the filler of second filling layer includes the concrete.
4. A composite foundation according to any one of claims 1-3, capable of preventing towers from overturning, characterized in that: a clamping pad (3) is arranged between the inner barrel and the outer barrel above the top frame; the clamping pads are fixed on the cylinder walls of the inner cylinder and the outer cylinder by screws (4).
5. The composite material foundation capable of preventing the tower from overturning as claimed in claim 4, wherein: a screw groove is formed in the end face of the clamping pad; the clamping pad is fixed by a screw (4) embedded in the screw groove.
6. The composite material foundation capable of preventing the tower from overturning as claimed in claim 5, wherein: the clamping pad is formed by elastic composite materials; the inner and outer cylinder walls are pressed tightly by adjusting the screw rod (4); after concrete is filled between the inner cylinder and the outer cylinder, the clamping pad can be taken out along the screw groove, and the screw does not need to be detached when the clamping pad is taken out.
7. The composite material foundation capable of preventing the tower from overturning as claimed in claim 6, wherein: the underframe (5) is fixed by a pin (6); the underframe supports the tower legs (11) to prevent the tower legs (11) from sinking when subjected to vertical loads.
8. The composite material foundation capable of preventing the tower from overturning as claimed in claim 7, wherein: the outer cylinder (1), the inner cylinder (2), the bottom frame (5), the top frame (7), the clamping pads (3) and the wing plates (8) are all molded by composite materials.
9. An implementation method of a composite material foundation capable of preventing a pole tower from overturning is characterized by comprising the following steps: when the composite material foundation as claimed in claim 7 is erected on a tower, the method sequentially comprises the following steps;
a1, assembling the outer cylinder (1), the inner cylinder (2), the underframe (5), the top frame (7), the clamping pad (3) and the wing plate (8) to form a combined body; a gap for filling the second filling layer is ensured between the outer cylinder and the inner cylinder; then burying the combined body in the ground;
a2, arranging the support legs (11) of the mast tower in the inner cylinder and on the underframe;
a3, arranging a first filling layer filled and formed by powder between the tower support legs and the wall of the inner cylinder;
a4, filling a second filling layer between the outer cylinder and the inner cylinder; when the surface of the second filling layer is about to reach the clamping pad, the clamping pad is taken out, and the second filling layer is filled continuously until the top frame (7) is completely wrapped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810252643.3A CN108457294B (en) | 2018-03-26 | 2018-03-26 | Composite material foundation capable of preventing pole tower from overturning and implementation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810252643.3A CN108457294B (en) | 2018-03-26 | 2018-03-26 | Composite material foundation capable of preventing pole tower from overturning and implementation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108457294A CN108457294A (en) | 2018-08-28 |
| CN108457294B true CN108457294B (en) | 2020-11-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810252643.3A Active CN108457294B (en) | 2018-03-26 | 2018-03-26 | Composite material foundation capable of preventing pole tower from overturning and implementation method thereof |
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| Country | Link |
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Families Citing this family (1)
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| CN111287210B (en) * | 2020-03-10 | 2021-08-03 | 北京路桥方舟交通科技发展有限公司 | Highway signboard upright post foundation structure and mounting method |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201512805U (en) * | 2009-11-09 | 2010-06-23 | 中国电力科学研究院 | Excavated spread pole and tower foundation of side wing plate |
| CN103061353A (en) * | 2013-01-05 | 2013-04-24 | 台山市宁华电力设计有限公司 | Windproof reinforced concrete rod sleeve base |
| CN202969407U (en) * | 2012-12-04 | 2013-06-05 | 上海电力设计院有限公司 | Composite material photovoltaic support pile foundation structure |
| JP2014001542A (en) * | 2012-06-18 | 2014-01-09 | Travers Corp | Foundation for installation of column, and construction method for the column |
| CN104314116A (en) * | 2014-10-20 | 2015-01-28 | 国家电网公司 | Expanding and reconstructing structure for transformer base |
-
2018
- 2018-03-26 CN CN201810252643.3A patent/CN108457294B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201512805U (en) * | 2009-11-09 | 2010-06-23 | 中国电力科学研究院 | Excavated spread pole and tower foundation of side wing plate |
| JP2014001542A (en) * | 2012-06-18 | 2014-01-09 | Travers Corp | Foundation for installation of column, and construction method for the column |
| CN202969407U (en) * | 2012-12-04 | 2013-06-05 | 上海电力设计院有限公司 | Composite material photovoltaic support pile foundation structure |
| CN103061353A (en) * | 2013-01-05 | 2013-04-24 | 台山市宁华电力设计有限公司 | Windproof reinforced concrete rod sleeve base |
| CN104314116A (en) * | 2014-10-20 | 2015-01-28 | 国家电网公司 | Expanding and reconstructing structure for transformer base |
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| Publication number | Publication date |
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| CN108457294A (en) | 2018-08-28 |
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