CN214143791U - Assembled foundation combining eccentric concrete slab and profile steel of transmission tower - Google Patents
Assembled foundation combining eccentric concrete slab and profile steel of transmission tower Download PDFInfo
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- CN214143791U CN214143791U CN202022385384.7U CN202022385384U CN214143791U CN 214143791 U CN214143791 U CN 214143791U CN 202022385384 U CN202022385384 U CN 202022385384U CN 214143791 U CN214143791 U CN 214143791U
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Abstract
The utility model relates to an assembled foundation of eccentric concrete lath and shaped steel combination of transmission tower, which comprises a concrete base, a shaped steel bracket and a transmission tower leg connecting piece; the concrete base is of a detachable structure, a section steel support is obliquely arranged on the concrete base, the bottom of the section steel support is fixedly connected with the concrete base, and the top of the section steel support is fixedly connected with a power transmission pole tower leg through a power transmission pole tower leg connecting piece; the projection point of the vertical direction of the top point of the section steel support is positioned on the concrete base and is coaxial with and not coincident with the central point of the concrete base. The utility model discloses combined assembled basis and the eccentric characteristics of structure, optimized and improved on structure and connected mode, optimized the biography power route, it is more reasonable to make the atress, can effectively practice thrift the steel quantity, can popularize and apply in concrete assembled foundation structure.
Description
Technical Field
The utility model relates to a concrete assembled basis, concretely relates to assembled basis of eccentric concrete lath of transmission tower and shaped steel combination.
Background
With the improvement of the construction capacity of the smart grid project, the transformation and innovation of the power transmission line project proposal mode are promoted, the mechanical construction research and application of the whole process of the power transmission line are promoted, the transformation from labor intensive type to equipment intensive type and technology intensive type is realized, and the assembly type foundation is an effective way for realizing the aim. The prefabricated concrete block assembled foundation and the assembled foundation combining the non-eccentric concrete slab and the section steel are applied to the transmission line engineering, but the wide application of the prefabricated concrete block assembled foundation and the assembled foundation combining the non-eccentric concrete slab and the section steel in the engineering is limited due to limited transportation amount and high transportation cost of vehicles, unreasonable stress of the assembled foundation combining the non-eccentric concrete slab and the section steel, complex connection of a support and a tower foot and the like.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides an assembled basis of eccentric concrete slab strip of transmission tower and shaped steel combination.
The utility model adopts the technical proposal that:
an assembled foundation combining eccentric concrete slabs and section steel of a transmission tower comprises a concrete base, a section steel support and a transmission tower leg connecting piece; the concrete base is of a detachable structure, a section steel support is obliquely arranged on the concrete base, the bottom of the section steel support is fixedly connected with the concrete base, and the top of the section steel support is fixedly connected with a power transmission pole tower leg through a power transmission pole tower leg connecting piece; the projection point of the vertical direction of the top point of the section steel support is positioned on the concrete base and is coaxial with and not coincident with the central point of the concrete base.
Preferably, the concrete base is composed of bottom plate laths and bottom plate beams, the bottom plate laths are a plurality of and are arranged at intervals, and the bottom plate laths are connected with the two bottom plate beams with the splayed upper surfaces through bolts to form the integral concrete base.
Preferably, the section steel support is composed of four angle steels, and every two of the four angle steels are a group and symmetrically arranged on the two bottom plate cross beams; the four angle steels are respectively connected with the bottom plate cross beam through tower foot plates at the bottoms by bolts; the middle of the four angle steels is welded with a connecting rib to form an integral bracket structure.
Preferably, the power transmission pole tower leg connecting piece is composed of two steel plates which are arranged in a crossed mode, the two steel plates are welded into a whole, and the cross section of the connecting piece is in a cross shape; the bottom of the steel plate is provided with through holes for being connected with the four angle steel mechanisms of the section steel support through bolts, and the top of the steel plate is provided with through holes for being connected with the power transmission pole tower leg bolts.
Preferably, reinforcing ribs are welded among the four angle steels.
Preferably, the bolts connecting the floor laths and the floor cross beam penetrate through the floor cross beam and are arranged on the same axis.
The utility model has the advantages that:
the utility model discloses combined assembled basis and the eccentric characteristics of structure, optimized and improved on structure and connected mode, optimized the biography power route, it is more reasonable to make the atress, can effectively practice thrift the steel quantity, can popularize and apply in concrete assembled foundation structure.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic view of the center position of the present invention;
FIG. 3 is a schematic structural view of the concrete base of the present invention;
fig. 4 is the utility model discloses the structural schematic of transmission tower leg connecting piece.
In the figures 1-4, 1-concrete base, 2-section steel support, 3-power transmission pole tower leg connecting piece, 4-power transmission pole tower leg, 5-bottom plate lath, 6-bottom plate beam, 7-angle steel, 8-connecting rib, 9-reinforcing rib and 10-tower foot plate.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without any creative effort belong to the protection scope of the present invention.
As shown in fig. 1-2, the utility model relates to an assembled basis of eccentric concrete slab of transmission tower and shaped steel combination, this assembled basis include concrete base 1, shaped steel support 2 and transmission tower leg connecting piece 3. Concrete base 1 is detachable construction, inclines on concrete base 1 to set up shaped steel support 2, shaped steel support 2's bottom and concrete base 1 fixed connection, and power transmission pole tower leg connecting piece 3 and power transmission pole tower leg 4 fixed connection are passed through at shaped steel support 2's top. The projection point of the vertical direction of the top point of the section steel support 2 is positioned on the concrete base 1 and is coaxial with and not coincident with the central point of the concrete base 1.
As shown in fig. 3, the concrete foundation 1 of the fabricated foundation is composed of floor panels 5 and floor beams 6, and the floor panels 5 and the floor beams 6 are both made of concrete reinforced steel bars by pouring. The bottom plate laths 5 are arranged at intervals, and the bottom plate laths 5 are connected with the two bottom plate cross beams 6 arranged in a splayed manner on the upper surfaces of the bottom plate laths to form the integral concrete base 1. In order to facilitate the installation of the concrete foundation 1, the bolts connecting the floor laths 5 and the floor cross beams 6 penetrate through the floor cross beams 6 and are arranged on the same axis.
The section steel support 2 of the assembly type foundation consists of four angle steels 7, wherein every two of the four angle steels 7 form a group and are symmetrically arranged on two bottom plate cross beams 6; the four angle steels 7 are respectively connected with the bottom plate cross beam 6 through bolts through a tower foot plate 10 at the bottom; the middle of the four angle steels 7 is welded with a connecting rib 8 to form an integral bracket structure.
As shown in fig. 4, the power transmission pole leg connector 3 of the fabricated foundation is composed of two steel plates which are arranged in a crossed manner, the two steel plates are welded into a whole, and the cross section of the steel plate is in a cross shape; the bottom of steel sheet is equipped with the through-hole that is used for with four angle steel 7 bolted connection of shaped steel support 2, and its top is equipped with the through-hole that is used for with 4 bolted connection of transmission tower leg.
When the specification of the fabricated foundation is selected, the force and the direction of the force required to be borne by the fabricated foundation of the combination of the eccentric concrete slabs of the transmission tower and the section steel are calculated according to the height, the weight and other factors of the transmission tower. Then, calculating and determining the number and the size of the bottom plate laths 5 and the size of the bottom plate cross beam 6 of the concrete base 1 according to the bearing capacity and the limit state of the fabricated foundation; the size of the angle steel 7 and the size of the connecting rib 8 of the section steel bracket 2; the size and thickness of the steel plate of the power transmission pole tower leg connecting piece 3; the number, strength and position of the connecting bolts. The section steel bracket 2 is obliquely arranged on the concrete base 1 and is eccentric; the whole bearing capacity of the assembly type foundation is larger, and the stress is more reasonable. And finally, determining the depth of the buried pit of the fabricated foundation according to the overall dimensions of the concrete base 1, the section steel bracket 2 and the power transmission pole tower leg connecting piece 3. Because concrete base 1 is detachable construction, it is bolted connection with shaped steel support 2, shaped steel support 2 and 3 bolted connection of transmission of electricity pole tower leg connecting piece. The fabricated foundation is thus easy to transport and assemble.
In addition, in order to further ensure the strength of the section steel bracket 2, reinforcing ribs 9 are welded between the four angle steels 7.
Claims (6)
1. The utility model provides an assembled basis of eccentric concrete lath of transmission tower and shaped steel combination which characterized in that: the fabricated foundation comprises a concrete base, a profile steel bracket and a power transmission pole tower leg connecting piece; the concrete base is of a detachable structure, a section steel support is obliquely arranged on the concrete base, the bottom of the section steel support is fixedly connected with the concrete base, and the top of the section steel support is fixedly connected with a power transmission pole tower leg through a power transmission pole tower leg connecting piece; the projection point of the vertical direction of the top point of the section steel support is positioned on the concrete base and is coaxial with and not coincident with the central point of the concrete base.
2. The fabricated foundation of claim 1, wherein: the concrete base is composed of bottom plate laths and bottom plate cross beams, the bottom plate laths are a plurality of and are arranged at intervals, and the bottom plate laths are connected with the two bottom plate cross beams with the upper surfaces arranged in a splayed mode through bolts to form the integral concrete base.
3. The fabricated foundation of claim 2, wherein: the profile steel support is composed of four angle steels, wherein every two angle steels are a group and are symmetrically arranged on the two bottom plate cross beams; the four angle steels are respectively connected with the bottom plate cross beam through tower foot plates at the bottoms by bolts; the middle of the four angle steels is welded with a connecting rib to form an integral bracket structure.
4. The fabricated foundation of claim 3, wherein: the power transmission pole tower leg connecting piece is composed of two steel plates which are arranged in a crossed mode, the two steel plates are welded into a whole, and the cross section of the connecting piece is in a cross shape; the bottom of the steel plate is provided with through holes for being connected with the four angle steel mechanisms of the section steel support through bolts, and the top of the steel plate is provided with through holes for being connected with the power transmission pole tower leg bolts.
5. The fabricated foundation of claim 3, wherein: reinforcing ribs are welded among the four angle steels.
6. The fabricated foundation of claim 2, wherein: and bolts for connecting the bottom plate laths with the bottom plate cross beam penetrate through the bottom plate cross beam and are arranged on the same axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022385384.7U CN214143791U (en) | 2020-10-23 | 2020-10-23 | Assembled foundation combining eccentric concrete slab and profile steel of transmission tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022385384.7U CN214143791U (en) | 2020-10-23 | 2020-10-23 | Assembled foundation combining eccentric concrete slab and profile steel of transmission tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214143791U true CN214143791U (en) | 2021-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022385384.7U Active CN214143791U (en) | 2020-10-23 | 2020-10-23 | Assembled foundation combining eccentric concrete slab and profile steel of transmission tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214143791U (en) |
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2020
- 2020-10-23 CN CN202022385384.7U patent/CN214143791U/en active Active
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