CN219864358U - Combined power transmission tower with small root opening - Google Patents
Combined power transmission tower with small root opening Download PDFInfo
- Publication number
- CN219864358U CN219864358U CN202321371798.1U CN202321371798U CN219864358U CN 219864358 U CN219864358 U CN 219864358U CN 202321371798 U CN202321371798 U CN 202321371798U CN 219864358 U CN219864358 U CN 219864358U
- Authority
- CN
- China
- Prior art keywords
- tower
- power transmission
- tower body
- plate
- cross arm
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000005540 biological transmission Effects 0.000 title claims abstract description 36
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 40
- 239000010959 steel Substances 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 15
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 12
- 238000010276 construction Methods 0.000 description 6
- 238000005728 strengthening Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
- Electric Cable Installation (AREA)
Abstract
The utility model relates to the technical field of power transmission equipment, in particular to a combined power transmission tower with small roots, which comprises a tower head, a tower body and a tower foot which are sequentially connected, wherein the tower head is made of angle steel members, the tower body and the tower foot main material are made of steel pipe members, the tower head comprises a tower head center pillar, a ground wire support and at least two cross arms, the ground wire support and the at least two cross arms are arranged from top to bottom, the tower head center pillar is connected with the tower body through a transfer flange, and a stiffening plate is arranged between the bottom of the transfer flange and the tower body; one side of the adapter flange protrudes outwards to form a convex plate, a plurality of groups of angle steel mounting holes are formed in the convex plate, and a reinforcing stiffening plate extending to the edge of the convex plate is arranged at the bottom of the convex plate and connected with the tower body; the tower body is connected with the tower foot through the flange plate, and a stiffening plate is arranged between the bottom of the flange plate and the tower foot. The utility model solves the technical problem that the bearing capacity of the existing urban narrow-base power transmission tower for the high-voltage power transmission line is limited.
Description
Technical Field
The utility model relates to the technical field of power transmission equipment, in particular to a combined power transmission tower with small opening.
Background
With the rapid development of urban construction, the power load of the urban area is rapidly increased, and the construction of a high-voltage transmission line for strengthening the urban area is urgent, and particularly, the construction of the high-voltage transmission line for 220KV is important.
At present, the conventional angle steel tower for 220KV high-voltage transmission lines has large occupied area and large corridor area of overhead lines due to large required root and large gradient, and is contrary to the environmental protection and conservation guidelines required by the construction of the conventional transmission tower. Especially when constructing urban transmission lines, the conventional angle steel towers do not meet the urban development planning requirements and are in imminent elimination.
In order to solve the technical problems that the conventional angle steel tower is large in occupied area and difficult to install and transport, as in the prior art, chinese patent CN205531602U, a single-loop narrow-base combined tower is provided, wherein the building materials of the combined tower are steel pipes, auxiliary materials and diagonal materials are made of angle steel and steel plates, and tower legs are composed of annular steel plates and stiffening steel plates. However, the combined tower has limited bearing capacity, can only bear a single-circuit line, and has lower transmission efficiency.
Disclosure of Invention
The utility model provides a combined power transmission tower with small root opening, which is used for solving the technical problem that the bearing capacity of the existing urban narrow-base power transmission tower for a high-voltage power transmission line is limited.
The utility model provides the following technical scheme: the utility model provides a little root open combination formula transmission tower, includes tower head, body of a tower and tower foot that connects gradually, and the tower head is made by angle steel component, and body of a tower and tower foot main material are made by steel pipe component, and the tower head includes tower head center pillar and from tower head center pillar top-down arranged ground wire support and at least two cross arms, and the tower head center pillar is connected with the body of a tower through the adapter flange, is equipped with the stiffening plate between adapter flange bottom and the body of a tower; one side of the adapter flange protrudes outwards to form a convex plate, a plurality of groups of angle steel mounting holes are formed in the convex plate, and a reinforcing stiffening plate extending to the edge of the convex plate is arranged at the bottom of the convex plate and connected with the tower body; the tower body is connected with the tower foot through the flange plate, and a stiffening plate is arranged between the bottom of the flange plate and the tower foot.
The beneficial effects are that:
1. the tower head is made of angle steel members, and the node is simple in structure and convenient to connect; the tower body and the tower foot adopt steel pipe components, the structural strength and the bearing performance of the tower body can be ensured while the dead weight is lightened, and the multi-loop electric power transmission device is suitable for 220Kv high-voltage multi-loop electric power transmission. Meanwhile, the steel pipe components are adopted in the tower body and the tower feet, so that the opening of the tower foot and the gradient of the tower body can be effectively reduced, and the required land use area and the line corridor space are reduced.
2. Because the diameter of tower head reduces from bottom to top gradually, and there is the condition of inwards decentering in its junction, this technique uses the flange that changes over in tower head tower body junction, is connected with the tower body through flange and stiffening plate, because flange that changes over is equipped with the flange, flange inwards sets up during the connection, and the angle steel component can be installed on flange, has increased angle steel component and flange's area of contact and has guaranteed that the angle steel component can inwards gather together. Meanwhile, an extended reinforcing plate is arranged below the flange convex plate, and compared with the existing reinforcing plate, the bearing capacity of the reinforcing plate is stronger. Therefore, the rigidity strength and bearing capacity of the joint are ensured, and the capacity of the tower body for multi-loop power transportation is improved.
Further, the power transmission tower calls for 24 meters in height, 4.2 meters in root opening and 0.08 in tower body gradient.
According to the utility model, the calling height of the power transmission tower accords with the use height standard of the power transmission tower in the urban area, meanwhile, the power transmission tower root is set to be 4.2 meters, the gradient of the tower body is 0.08, and the power transmission tower is smaller than the root opening and the gradient of the tower body of a common power transmission tower, so that the land area required for construction and the area of an air transportation corridor are saved, and the power transmission tower is more suitable for construction in the urban area.
Further, the cross arm includes upper cross arm, well cross arm and lower cross arm, and upper cross arm, well cross arm and lower cross arm are connected with the tower head center pillar respectively to perpendicular to tower head center pillar.
In the utility model, the upper cross arm, the middle cross arm and the lower cross arm can bear high-voltage line transportation.
Further, the tower body and the tower foot also comprise a supporting framework formed by angle steel members.
In the utility model, the supporting framework of the tower body and the tower foot part is used for strengthening the integral structural strength of the tower body and the tower foot, so that the tower body and the tower foot part can bear larger load for power transportation under the condition of reducing the gradient of the tower body.
Drawings
Fig. 1 is a schematic structural diagram of a small-root combined power transmission tower according to the present utility model;
FIG. 2 is view 1-1 of FIG. 1;
FIG. 3 is a top view of a first joint according to the present utility model;
fig. 4 is a top view of a second joint according to the present utility model.
Detailed Description
The following is a further detailed description of the embodiments:
the labels in the drawings of this specification include: the tower head 1, the tower body 2, the tower foot 3, the ground wire support 4, the upper cross arm 5, the middle cross arm 6, the lower cross arm 7, the tower head center pillar 8, the first connecting part 9, the second connecting part 10, the adapter flange 11, the reinforcing stiffening plate 12, the flange 13 and the stiffening plate 14.
Examples
As shown in fig. 1-4, a small-root combined power transmission tower, in this embodiment, a three-loop linear tower, includes a tower head 1, a tower body 2 and a tower foot 3. The tower head 1 consists of a ground wire bracket 4, an upper cross arm 5, a middle cross arm 6, a lower cross arm 7 and a tower head center column 8. The ground wire bracket 4, the upper cross arm 5, the middle cross arm 6 and the lower cross arm 7 which are arranged from top to bottom are respectively connected with the tower head middle column 8 and are vertical to the tower head middle column 8.
The tower head 1 adopts angle steel components, and comprises a ground wire bracket 4, an upper cross arm 5, a middle cross arm 6, a lower cross arm 7 and a tower head center column 8, wherein the part adopts angle steel components to form a node structure, and the node structure is simple and convenient to connect. The two ends of the ground wire bracket 4, the upper cross arm 5, the middle cross arm 6 and the lower cross arm 7 are respectively provided with a wire hanging point. The tower head center column 8 is connected with the upper end of the tower body 2 through a first connecting part 9, the first connecting part 9 comprises an adapter flange 11, a stiffening plate 14 and a reinforcing plate 12, one side of the adapter flange 11 is outwards protruded to form a convex plate, a plurality of groups of angle steel mounting holes are formed in the convex plate, and the reinforcing plate 12 is arranged between the lower part of the convex plate and the tower body. When in connection, the convex plates are arranged inwards, so that the reinforcing stiffening plate 12 can be connected with the steel pipe structural material of the tower body 2, the whole stress direction is towards the inside of the power transmission tower, and the stability and bearing capacity of the first connection part 9 are enhanced by the structure.
The tower body 2 comprises four main materials, and steel pipe components are used. And a supporting framework formed by angle steel members is welded among the four main materials and is used for reinforcing the structural strength of the tower body 2. The support framework comprises inclined materials and auxiliary materials, the inclined materials and the auxiliary materials are angle steel members, the support structure is fixedly connected with the tower body 2 steel pipes through connecting plates, the connecting plates are welded on the tower body 2 steel pipes, and the inclined materials and the auxiliary materials are fixed on the connecting plates through screws.
In this embodiment, the gradient of the tower body 2 is 0.08. The lower end of the tower body 2 is connected with the tower foot 3 through a second connecting part 10. The second joint 10 comprises a flange 13 and stiffening plates 14, and a plurality of stiffening plates 14 are connected between the flange 13 and the tower legs 3.
The tower foot 3 comprises four steel pipe main materials which are connected with the four steel pipes of the tower body 2 in a one-to-one correspondence. And a supporting framework is also arranged between the steel pipes of the tower legs 3 and used for reinforcing the structural strength of the tower legs 3. The steel pipe endpoint overlooks and takes the shape of a rectangle, wherein the bottom of a group of opposite tower feet 3 steel pipes is provided with a foot nail for fixing the power transmission tower. The root of the steel tube of the tower leg 3 is provided with a stiffening plate 14 for supporting the tower leg 3.
The above is merely an embodiment of the present utility model, and the present utility model is not limited to the field of the present embodiment, but the specific structure and characteristics of the present utility model are not described in detail. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (4)
1. The utility model provides a little root open combination formula transmission tower, includes tower head, tower body and tower foot that connects gradually, its characterized in that: the tower head is made of angle steel components, the tower body and the tower foot main materials are made of steel pipe components, the tower head comprises a tower head center pillar, a ground wire support and at least two cross arms, the ground wire support and the at least two cross arms are arranged from top to bottom from the tower head center pillar, the tower head center pillar is connected with the tower body through an adapter flange, and a stiffening plate is arranged between the bottom of the adapter flange and the tower body; one side of the adapter flange protrudes outwards to form a convex plate, a plurality of groups of angle steel mounting holes are formed in the convex plate, and a reinforcing stiffening plate extending to the edge of the convex plate is arranged at the bottom of the convex plate and connected with the tower body; the tower body is connected with the tower foot through the flange plate, and a stiffening plate is arranged between the bottom of the flange plate and the tower foot.
2. The small-root open combined power transmission tower according to claim 1, wherein: the power transmission tower has a calling height of 24 meters, a root opening of 4.2 meters and a tower body gradient of 0.08.
3. The small-root open combined power transmission tower according to claim 2, wherein: the cross arm comprises an upper cross arm, a middle cross arm and a lower cross arm, wherein the upper cross arm, the middle cross arm and the lower cross arm are respectively connected with the tower head center pillar and are perpendicular to the tower head center pillar.
4. A small-root open combined power transmission tower according to claim 3, characterized in that: the tower body and the tower legs further comprise a supporting framework made of angle steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321371798.1U CN219864358U (en) | 2023-05-31 | 2023-05-31 | Combined power transmission tower with small root opening |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321371798.1U CN219864358U (en) | 2023-05-31 | 2023-05-31 | Combined power transmission tower with small root opening |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219864358U true CN219864358U (en) | 2023-10-20 |
Family
ID=88344417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321371798.1U Active CN219864358U (en) | 2023-05-31 | 2023-05-31 | Combined power transmission tower with small root opening |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219864358U (en) |
-
2023
- 2023-05-31 CN CN202321371798.1U patent/CN219864358U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104563578A (en) | Combined framework pillar for 500kV transformer substation and mounting method of combined framework pillar | |
| CN219864358U (en) | Combined power transmission tower with small root opening | |
| CN201924625U (en) | Framework for converter transformer small busbars of +/-800kV converter substation | |
| CN111155696A (en) | Rib-ring-shaped multi-strut string-supported dome | |
| CN111255119A (en) | Steel frame structure supporting device, steel frame structure and steel frame structure forming method | |
| CN219711154U (en) | Cat head tower for transmission line | |
| CN212359263U (en) | Power transformation framework | |
| CN210885037U (en) | Tower crane fixing structure | |
| CN213806895U (en) | Triangular narrow-base steel pipe tower | |
| CN210508615U (en) | Power transformation framework | |
| CN207765918U (en) | The open airs 110kV GIS power distribution equipments place two returns one across outlet structure | |
| CN216641618U (en) | Human-shaped steel pipe tower | |
| CN219322037U (en) | High-span power bridge | |
| CN211974557U (en) | Three-column steel pipe tower | |
| CN215803615U (en) | 500kV four-loop compact composite tower | |
| CN108590315A (en) | A kind of three towers Y type holders | |
| CN217631620U (en) | Adjustable three-rod single-loop strain steel pipe rod | |
| CN205840469U (en) | A kind of three pipe tower tower tubes being easily installed | |
| CN213898374U (en) | A device for shaft tower normal position risees | |
| CN220167645U (en) | Power transmission tower suitable for steep terrain | |
| CN220687492U (en) | Reinforced wind power tower | |
| CN215760802U (en) | Electric power iron tower with stable structure | |
| CN220415006U (en) | Steel construction splicing apparatus for electric power iron tower | |
| CN216921588U (en) | Communication holding pole | |
| CN220055942U (en) | Elevator wall-attached connection structure for adduction type building |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |