CN215717694U - Circular column foot board arrangement structure of combination angle steel tower - Google Patents
Circular column foot board arrangement structure of combination angle steel tower Download PDFInfo
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- CN215717694U CN215717694U CN202121505028.2U CN202121505028U CN215717694U CN 215717694 U CN215717694 U CN 215717694U CN 202121505028 U CN202121505028 U CN 202121505028U CN 215717694 U CN215717694 U CN 215717694U
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Abstract
The utility model relates to the technical field of power transmission tower bases, and aims to solve the problem that the traditional tower foot plate arrangement structure with four foundation bolts and eight foundation bolts cannot meet the stress requirement due to the improvement of voltage grade and the increase of foundation acting force in the prior art, and provide a circular tower foot plate arrangement structure of a combined angle steel tower, which comprises a circular tower foot plate, wherein shoe plates are arranged on the tower foot plate, a plurality of fixing pieces are uniformly arranged in the circumferential direction of the tower foot plate, and the number of the fixing pieces is more than 8; the utility model has the beneficial effects that: because the tower foot plate is circular, the distances from all the fixing pieces uniformly arranged in the circumferential direction to the center of the main material of the tower leg are kept consistent, and the stress difference of all the fixing pieces is reduced, the stress of all the fixing pieces is more uniform, and the stress distribution of the circular tower foot plate is more uniform; the number of the fixing pieces is more than 8, under the action of tension, more fixing pieces bear the tension transmitted by the upper structure, the bearing capacity is enhanced, and the application range of the combined angle steel tower is widened.
Description
Technical Field
The utility model relates to the technical field of power transmission tower bases, in particular to a combined angle steel tower circular tower foot plate arrangement structure.
Background
With the rapid development of power grid construction, the voltage grade is gradually improved, multi-loop and ultra-high voltage transmission lines are more and more constructed, and the four-combination angle steel tower is widely applied to ultra-high voltage engineering.
However, with the improvement of voltage class and the increase of basic acting force, especially in a 1000kV extra-high voltage alternating current same-tower double-circuit transmission line, the traditional arrangement structure of four anchor bolts and eight anchor bolt tower foot plates cannot meet the stress requirement, and the application of the four-combination angle steel tower in extra-high voltage engineering is limited.
Specifically, the traditional four-foot bolt and eight-foot bolt tower foot plate arrangement structure usually has one foot bolt arranged on one side or two sides of a shoe plate, and obviously, the tower foot plate arrangement structure cannot meet the stress requirement due to the fact that the number of the foot bolts is small.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a combined angle steel tower circular tower foot plate arrangement structure to solve the problem that the traditional tower foot plate arrangement structure with four foundation bolts and eight foundation bolts cannot meet the stress requirement due to the improvement of voltage grade and the increase of foundation acting force.
The embodiment of the utility model is realized by the following steps: the utility model provides a circular tower footboard arrangement structure of combination angle-steel tower, includes circular tower footboard, be provided with the boots board on the tower footboard, the circumference of tower footboard evenly is provided with a plurality of mounting, the quantity of mounting is greater than 8.
Because the tower footboard is circular, each mounting that its circumference was evenly set up keeps unanimous apart from tower leg owner material center distance, has reduced the atress difference of each mounting, consequently, the atress of each mounting is more even, and the stress distribution of circular tower footboard is also more even. And the number of the fixing pieces is more than 8, so that under the action of tension, more fixing pieces bear the tension transmitted by the upper structure, the bearing capacity is enhanced, and the application range of the combined angle steel tower is widened, especially in the ultra-high voltage transmission line engineering.
In one embodiment:
the boot plate comprises a first boot plate and a second boot plate, the first boot plate and the second boot plate are arranged in a cross mode, and the first boot plate and the second boot plate are fixed on the surface of the step foot plate.
The internal force of the main material of the tower leg of the iron tower is transmitted to the tower foot plate through the shoe plate.
In one embodiment:
the first boot plate and the second boot plate are welded on the plate surface of the step plate.
In one embodiment:
the first boot plate and the second boot plate are provided with transverse connecting pieces, the bottom surfaces of the transverse connecting pieces are fixed on the plate surface of the step foot plate, each transverse connecting piece comprises four transverse connecting piece units, one end of each transverse connecting piece unit is fixedly connected to the first boot plate, and the other end of each transverse connecting piece unit is fixedly connected to the second boot plate.
The cross links are used to transfer most of the force transferred by the boot plate.
In one embodiment:
the shape enclosed by the four transverse connecting piece units is similar to a hollow cylinder structure.
In one embodiment:
a plurality of rib plates are arranged between the first boot plate and the second boot plate, the bottom of each rib plate is fixed on the plate surface of the tower foot plate, one side of each rib plate is fixedly connected to the transverse connecting piece, and the height of each rib plate is the same as that of the transverse connecting piece.
The rib plate, the first shoe plate and the second shoe plate jointly form a stiffening system of the transverse connecting piece, namely, part of force of the transverse connecting piece is directly transmitted to the tower foot plate, and the other part of force is transmitted to the tower foot plate through the stiffening system.
In one embodiment:
a patch board is arranged between the first boot board and the second boot board and comprises four patch board units, one end of each patch board unit is fixedly connected to the first boot board, and the other end of each patch board unit is fixedly connected to the second boot board;
the top surfaces of the transverse connecting pieces and the top surfaces of the ribbed plates are fixedly connected with the lower surface of the patch plate.
The patch board is used for improving the stability outside the plane of the transverse connecting piece and the top end of the rib plate, so that the integral supporting capacity of the structure is stronger, and the structure is more stable.
In one embodiment:
the plate surface of the supplement plate is parallel to the plate surface of the tower foot plate.
In one embodiment:
the shape that four bushing units enclose resembles a ring structure.
In one embodiment:
all the rib plates are uniformly arranged along the circumferential direction of the transverse connecting piece.
The rib plates are stressed evenly.
In one embodiment:
the first boot plate and the second boot plate are perpendicular to the plate surface of the step plate, and the intersection line of the rib plate and the transverse connecting piece is parallel to the intersection line of the first boot plate and the second boot plate.
The direction of the intersection line is consistent with the direction of the upper part force, so that the acting force of the main material of the tower leg of the iron tower can be conveniently transmitted to the tower foot plate, and the ribbed plates and the shoe plates are not easy to bend and damage.
In one embodiment:
at least one fixing piece is arranged between every two adjacent rib plates, on two sides of the first boot plate and on two sides of the second boot plate.
The fixing pieces are arranged in each gap, so that under the action of tension, more fixing pieces bear the tension transmitted by the upper structure, the bearing capacity is enhanced, and the application range of the combined angle steel tower is widened.
In one embodiment:
the tower foot plate is of a hollow annular structure.
Because the vertical rigidity of shoe plate is great, whether the tower foot board is hollow influences the mounting atress not very much, and annular tower foot board weight is lighter, the transportation of being more convenient for, and economic nature is better.
In one embodiment:
the number of the fixing pieces is 12 or 16. The increased number of fasteners can directly increase the load bearing capacity and better take over the tensile forces transmitted by the superstructure.
In one embodiment:
the fixing piece is an anchor bolt.
In one embodiment:
the boot plate is welded with the tower foot plate.
In one embodiment:
the first shoe plate is welded to the second shoe plate.
In one embodiment:
the transverse connecting piece is welded with the boot plate, the rib plate, the tower foot plate and the supplement plate.
In one embodiment:
the ribbed plate is welded with the transverse connecting piece, the tower foot plate and the supplement plate.
Through the mode of welding, the joint strength between each part is bigger, makes the structure more firm.
In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:
1. because the tower footboard is circular, each mounting that its circumference was evenly set up keeps unanimous apart from tower leg owner material center distance, has reduced the atress difference of each mounting, consequently, the atress of each mounting is more even, and the stress distribution of circular tower footboard is also more even. And the number of the fixing pieces is more than 8, so that under the action of tension, more fixing pieces bear the tension transmitted by the upper structure, the bearing capacity is enhanced, the application range of the combined angle steel tower is improved, and the combined angle steel tower can be particularly applied to extra-high voltage transmission line engineering.
2. The additionally arranged patch board, the rib plate and the boot board form a whole, the installation is convenient, and the patch board can increase the rigidity outside the plane, so that the structure has stronger supporting capacity and more stable structure.
3. The transverse connecting piece and the rib plate are additionally arranged, most of force applied by the shoe plate can be effectively transmitted to the transverse connecting piece, one part of force of the transverse connecting piece is directly transmitted to the tower foot plate, the other part of force is transmitted to the tower foot plate through a stiffening system formed by the rib plate and the shoe plate and then transmitted to a foundation through the fixing piece on the tower foot plate, and the transverse connecting piece and the rib plate are balanced in stress and clear in force transmission.
Drawings
Fig. 1 is a perspective structural view of a circular tower foot plate arrangement structure of a combined angle steel tower according to embodiment 1 of the present invention.
Fig. 2 is a top view of a circular tower foot plate arrangement structure of a combined angle steel tower according to embodiment 1 of the present invention.
Fig. 3 is a top view of a circular tower foot plate arrangement structure of a combined angle steel tower according to embodiment 3 of the present invention.
Icon: 1-a pylon foot plate; 2-a boot plate; 21-a first boot plate; 22-a second shoe plate; 3-a fixing piece; 4-supplementing plates; 5-a rib plate; 6-transverse connection.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Example 1
Referring to fig. 1-2, the embodiment provides a circular tower footboard arrangement structure of a combined angle steel tower, including a circular tower footboard 1, a first shoe board 21 and a second shoe board 22 are arranged on the tower footboard 1, and both the first shoe board 21 and the second shoe board 22 are vertically welded to a board surface of the tower footboard 1, and are crossed, specifically, the circular tower footboard arrangement structure is seen from a top view, and the first shoe board 21 and the second shoe board 22 are just crossed.
Be equipped with transverse connection spare 6 between first boot board 21 and the second boot board 22, transverse connection spare 6's bottom surface is fixed in the face of step board 1, transverse connection spare 6 includes four transverse connection spare units, every transverse connection spare unit's one end fixed connection in first boot board 21, the other end fixed connection in second boot board 22.
The four transverse connector units are just positioned in four spaces formed by the criss-crossing of the first shoe plate 21 and the second shoe plate 22, and the shape enclosed by the four transverse connector units is similar to a hollow cylinder structure.
Referring to fig. 1, the transverse connecting member 6 is vertically arranged, a plurality of rib plates 5 are uniformly arranged in the circumferential direction of the transverse connecting member 6, all the rib plates 5 are arranged perpendicular to the plate surface of the tower foot plate 1, the bottom of each rib plate 5 is fixed to the plate surface of the tower foot plate 1, one side of each rib plate 5 is fixedly connected to the side surface of the transverse connecting member 6, the height of each rib plate 5 is the same as that of the transverse connecting member 6, the intersection line of the rib plate 5 and the transverse connecting member 6 is parallel to the intersection line of the first shoe plate 21 and the second shoe plate 22, so that the acting force of tower legs of the iron tower can be conveniently transmitted to the tower foot plate 1, and the rib plates 5 vertically arranged are not easy to bend and damage.
A patch 4 is arranged between the first boot plate 21 and the second boot plate 22, the surface of the patch 4 is parallel to the surface of the step plate 1, the patch 4 is used for improving the supporting capability of the whole structure, and specifically, the patch 4 is located on the waist of the first boot plate 21 and the second boot plate 22 at about 1/2 of the height of the first boot plate 21 and the second boot plate 22.
The patch board 4 comprises four patch board units, one end of each patch board unit is fixedly connected to the first boot board 21, and the other end of each patch board unit is fixedly connected to the second boot board 22; the four patch units are just positioned in four spaces formed by the cross of the first shoe plate 21 and the second shoe plate 22, and the shape enclosed by the four patch units is similar to a hollow circular ring structure.
The top surface of the transverse connecting piece 6 and the top surface of each ribbed slab 5 are fixedly connected with the lower surface of the patch 4. Rib plate 5 and transverse connection spare 6 can support in circumference mend board 4 avoids mended board 4 to take place to warp to add mend board 4, rib plate 5, transverse connection spare 6 and the boots board 2 of adding and form a whole, simple to operate, whole rigidity is good.
At least one fixing piece 3 is arranged between two adjacent rib plates 5, on two sides of the first boot plate 21 and on two sides of the second boot plate 22.
In this embodiment, 2 ribs 5 are provided between the first shoe plate 21 and the second shoe plate 22, and the first shoe plate 21 and the second shoe plate 22 correspond to: 1/4 area on the tower footing plate 1. In the area 1/4 of the footing plate 1, one fastener 3 is provided between two ribs 5, one fastener 3 is provided between each of the ribs 5 and the first shoe 21 and between each of the ribs 5 and the second shoe 22, and three fasteners 3 are provided in the area 1/4 of the footing plate 1. Therefore, 8 ribbed plates 5 and 12 fixing pieces 3 are arranged on the whole tower footing plate 1, and the fixing pieces 3 are foundation bolts.
In addition, the specific connection relationship of each component in the circular tower foot plate arrangement structure of the combined angle steel tower is as follows: the shoe plate 2 is welded with the step plate 1; the patch 4 is welded with the boot plate 2, the transverse connecting piece 6 and the rib plate 5; the transverse connecting piece 6 is welded with the step plate 1, the shoe plate 2 and the rib plate 5.
The circular tower footboard arrangement structure of combination angle steel tower that this embodiment provided because tower footboard 1 is circular, and each mounting 3 that its circumference evenly set up keeps unanimous apart from tower leg owner material center distance, has reduced the atress difference of each mounting 3, and consequently, the atress of each mounting 3 is more even, and the stress distribution of circular tower footboard 1 is also more even. And the number of the fixing pieces 3 is 12, so that the tensile force transmitted by the upper structure can be better borne under the action of tension, the bearing capacity is enhanced, the application range of the combined angle steel tower is widened, and the combined angle steel tower can be particularly applied to extra-high voltage transmission line engineering.
Example 2
The difference between this embodiment and embodiment 1 lies in that the step foot board is hollow annular structure, because the vertical rigidity of boots board is great, whether the step foot board is hollow is little to the mounting atress influence, and the weight of annular step foot board is lighter, and it is more convenient to transport, and the economic nature is better.
Example 3
Referring to fig. 3, the present embodiment is different from embodiment 1 in that the number of the fixing members 3 is 16, and the number of the ribs 5 is 9. In particular, a total of three ribs 5 are provided in the region of each 1/4 of the footing plate 1, and correspondingly, a fixing element 3 is fitted in each recess.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides a circular tower foot board arrangement structure of combination angle steel tower which characterized in that:
including circular footing board (1), be provided with boot board (2) on footing board (1), the circumference of footing board (1) evenly is provided with a plurality of mounting (3), the quantity of mounting (3) is greater than 8.
2. The round tower foot plate arrangement structure of the combined angle steel tower according to claim 1, wherein:
the boot plate (2) comprises a first boot plate (21) and a second boot plate (22), the first boot plate (21) and the second boot plate (22) are arranged in a cross mode, and the first boot plate (21) and the second boot plate (22) are fixed on the surface of the step foot plate (1).
3. The round tower foot plate arrangement structure of the combined angle steel tower as claimed in claim 2, wherein:
first boots board (21) with be equipped with transverse connection spare (6) between second boots board (22), the bottom surface of transverse connection spare (6) is fixed in the face of step foot board (1), transverse connection spare (6) include four transverse connection spare units, every the one end fixed connection of transverse connection spare unit in first boots board (21), the other end fixed connection in second boots board (22).
4. The round tower foot plate arrangement structure of the combined angle steel tower according to claim 3, wherein:
a plurality of rib plates (5) are arranged between the first boot plate (21) and the second boot plate (22), the bottom of each rib plate (5) is fixed on the plate surface of the step foot plate (1), one side of each rib plate (5) is fixedly connected to the transverse connecting piece (6), and the height of each rib plate (5) is the same as that of the transverse connecting piece (6).
5. The round tower foot plate arrangement structure of the combined angle steel tower as claimed in claim 4, wherein:
a patch board (4) is arranged between the first boot board (21) and the second boot board (22), the patch board (4) comprises four patch board units, one end of each patch board unit is fixedly connected to the first boot board (21), and the other end of each patch board unit is fixedly connected to the second boot board (22);
the top surfaces of the transverse connecting pieces (6) and the top surfaces of the ribbed plates (5) are fixedly connected with the lower surface of the patch board (4).
6. The round tower foot plate arrangement structure of the combined angle steel tower as claimed in claim 4, wherein:
all the rib plates (5) are uniformly arranged along the circumferential direction of the transverse connecting piece (6).
7. The round tower foot plate arrangement structure of the combined angle steel tower as claimed in claim 4, wherein:
the first boot plate (21) and the second boot plate (22) are perpendicular to the surface of the step plate (1), and the intersection line of the rib plate (5) and the transverse connecting piece (6) is parallel to the intersection line of the first boot plate (21) and the second boot plate (22).
8. The round tower foot plate arrangement structure of the combined angle steel tower of claim 6, wherein:
at least one fixing piece (3) is arranged between two adjacent rib plates (5), on two sides of the first boot plate (21) and on two sides of the second boot plate (22).
9. The round tower foot plate arrangement structure of the combined angle steel tower according to any one of claims 1 to 8, wherein:
the tower foot plate (1) is of a hollow annular structure.
10. The round tower foot plate arrangement structure of the combined angle steel tower of claim 9, wherein:
the number of the fixing pieces (3) is 12 or 16.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121505028.2U CN215717694U (en) | 2021-07-02 | 2021-07-02 | Circular column foot board arrangement structure of combination angle steel tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121505028.2U CN215717694U (en) | 2021-07-02 | 2021-07-02 | Circular column foot board arrangement structure of combination angle steel tower |
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| Publication Number | Publication Date |
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| CN215717694U true CN215717694U (en) | 2022-02-01 |
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| CN202121505028.2U Active CN215717694U (en) | 2021-07-02 | 2021-07-02 | Circular column foot board arrangement structure of combination angle steel tower |
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- 2021-07-02 CN CN202121505028.2U patent/CN215717694U/en active Active
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