CN207017740U - One kind ± 500kv transmission line tangent towers - Google Patents
One kind ± 500kv transmission line tangent towers Download PDFInfo
- Publication number
- CN207017740U CN207017740U CN201720578655.6U CN201720578655U CN207017740U CN 207017740 U CN207017740 U CN 207017740U CN 201720578655 U CN201720578655 U CN 201720578655U CN 207017740 U CN207017740 U CN 207017740U
- Authority
- CN
- China
- Prior art keywords
- wire
- arm
- bolt hole
- tower
- transmission line
- 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
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The utility model discloses one kind ± 500kv transmission line tangent towers, belong to steel tower technical field used for transmission line.The tangent tower includes：Tower body, the wire cross-arm of two rectangular pyramid frame structures, the earth wire rack of two rectangular pyramid frame structures.Wherein, two wire cross-arms are symmetrically disposed in tower body both sides, and one end of the wire cross-arm and the upper end vertical connection of tower body, the other end where tapering are provided with conducting wire hanging point.Two earth wire racks are symmetrically disposed on two wire cross-arms, and one end of earth wire rack is connected with wire cross-arm, and the other end where tapering is provided with ground wire hanging point.The structure of tangent tower is optimized the utility model.By setting wire cross-arm and earth wire rack, and wire cross-arm and earth wire rack are arranged to rectangular pyramid frame structure, having good stability for the tangent tower is not only ensure that, and reduce the weight of the tangent tower, the wind area of tangent tower is reduced, that is, reduces its wind load born.
Description
Technical field
It the utility model is related to steel tower technical field used for transmission line, more particularly to one kind ± 500kv transmission line of electricity straight lines
Tower.
Background technology
According to steel tower, the difference of function and purposes, steel tower used for transmission line can be divided into plurality of classes in transmission line of electricity,
Such as tangent tower, anchor support etc..Wherein, tangent tower is generally used to bear the load of ground wire and wire, and it is widely used in voltage
Grade is in the transmission of electricity work of ± 500kv transmission line of electricity, in order to ensure being smoothed out for tangent tower transmission of electricity work, there is provided a kind of
The tangent tower having good stability is very necessary.
Prior art provides one kind ± 500kv transmission line tangent towers, including：Tower body, two wire cross-arms, two ground
Coil holder.Wherein, two wire cross-arms are symmetrically disposed in tower body both sides, and one end of the wire cross-arm is vertical with the upper end of tower body to be connected
Connect, the other end is provided with conducting wire hanging point.Two earth wire racks are symmetrically disposed on two wire cross-arms, one end of the earth wire rack with
Wire cross-arm connects, and the other end is provided with ground wire hanging point.Also, wire cross-arm and earth wire rack are quadrangular frame structure, with
Ensure having good stability for tangent tower.
Designer has found that prior art at least has problems with：
The wire cross-arm and earth wire rack of the tangent tower used due to prior art are quadrangular structure, not only make tangent tower
With larger wind area, that is, larger wind load is born, and make tangent tower heavier.
Utility model content
The utility model embodiment technical problem to be solved is, there is provided it is smaller that one kind bears wind load, and again
Lighter ± 500kv the transmission line tangent towers of amount.Concrete technical scheme is as follows：
One kind ± 500kv transmission line tangent towers, including：Tower body；
The tangent tower also includes：The wire cross-arm of two rectangular pyramid frame structures, it is symmetrically disposed in the tower body two
Side, one end of the wire cross-arm and the upper end vertical connection of the tower body, the other end where tapering are provided with conducting wire hanging point；
The earth wire rack of two rectangular pyramid frame structures, it is symmetrically disposed on two wire cross-arms, the earth wire rack
One end be connected with the wire cross-arm, the other end where tapering is provided with ground wire hanging point.
Specifically, preferably, the trapezoidal frame structure of the tower body.
Specifically, preferably, the lower end of two conducting wire hanging points is hung with insulator chain；
The lower end of the insulator chain is provided with suspending weight block.
Specifically, preferably, the tower body is connected with the wire cross-arm by bolt assembly.
Specifically, preferably, being provided with the first bolt hole in the framework of the wire cross-arm bottom；
Second bolt hole relative with first bolt hole is provided with the framework of the tower body both sides；
The bolt assembly is fixed in first bolt hole and second bolt hole.
Specifically, preferably, the earth wire rack is connected with the wire cross-arm by bolt assembly.
Specifically, preferably, being provided with the 3rd bolt hole in the framework of the earth wire rack bottom；
Fourth bolt hole relative with the 3rd bolt hole is provided with the framework of the wire cross-arm upper side；
The bolt assembly is fixed in the 3rd bolt hole and the 4th bolt hole.
The beneficial effect brought of technical scheme that the utility model embodiment provides is：
± 500kv the transmission line tangent towers that the utility model embodiment provides, the structure of tangent tower is optimized.
Rectangular pyramid frame structure is arranged to by setting wire cross-arm and earth wire rack, and by wire cross-arm and earth wire rack, not only ensure that
The tangent tower has good stability, and reduces the weight of the tangent tower, reduces the wind area of tangent tower, that is, reduces
Its wind load born.
Brief description of the drawings
, below will be to needed for embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
The accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can also be according to these accompanying drawings
Obtain other accompanying drawings.
Fig. 1 is the schematic cross-section of the utility model embodiment offer ± 500kv transmission line tangent towers.
Reference represents respectively：
1 tower body,
2 wire cross-arms,
201 conducting wire hanging points,
3 earth wire racks,
301 ground wire hanging points,
4 insulator chains.
Embodiment
It is new to this practicality below in conjunction with accompanying drawing to make the purpose of this utility model, technical scheme and advantage clearer
Type embodiment is described in further detail.
It should be noted that the face where ground is considered as into horizontal plane, the face where the axis of tangent tower is considered as vertically
Face.It is in the horizontal direction and perpendicular with conducting wire hanging point 201 for position of the earth wire rack 3 on wire cross-arm 2, and ground wire hanging point 301
Nogata to spacing, as long as meeting lightning protection requirement of the ground wire to wire.
The utility model embodiment provides one kind ± 500kv transmission line tangent towers, as shown in Figure 1, the tangent tower
Including：Tower body 1.In addition, the tangent tower also includes：The wire cross-arm 2 of two rectangular pyramid frame structures, is symmetrically disposed in tower body
1 both sides, one end of the wire cross-arm 2 and the upper end vertical connection of tower body 1, the other end where tapering are provided with conducting wire hanging point
201；The earth wire rack 3 of two rectangular pyramid frame structures, be symmetrically disposed on two wire cross-arms 2, one end of the earth wire rack 3 with
Wire cross-arm 2 connects, and the other end where tapering is provided with ground wire hanging point 301.
± 500kv the transmission line tangent towers that the utility model embodiment provides, the structure of tangent tower is optimized.
Rectangular pyramid frame structure is arranged to by setting wire cross-arm and earth wire rack, and by wire cross-arm 2 and earth wire rack 3, is not only ensured
Having good stability for the tangent tower, and the weight of the tangent tower is reduced, the wind area of tangent tower is reduced, that is, reduce
Its wind load born.
Wherein, wire cross-arm 2 and earth wire rack 3 are that rectangular pyramid frame structure refers to：Wire cross-arm 2 and earth wire rack 3
Outline is pyramid shape.Multiple end to end straight ribs and slant edge are provided with the rectangular pyramid framework, to ensure its stability.
In the utility model embodiment, 1 trapezoidal frame structure of tower body, the i.e. cross-sectional area of tower body 1 from top to bottom by
It is cumulative big, so that tangent tower is overall more stable.Wherein, 1 trapezoidal frame structure of tower body refers to that the outline of tower body 1 is ladder
Shape.Multiple end to end straight ribs and slant edge are provided with the ladder-shaped frame, to ensure its stability.
In order to ensure that wire and tower body 1 be in state of insulation, while and can enough makes transmission of electricity everything goes well with your work progress, is led at two
The lower end of line hanging point 201 is hung with insulator chain 4 (referring to accompanying drawing 1)；The lower end of the insulator chain 4 is provided with suspending weight block.
By setting suspending weight block, avoid the wire being connected with the lower end of insulator chain 4 and occur under the action of the forces of the wind significantly
Degree rocks, so as to influence being smoothed out (in power transmission engineering, centered on any point on wire radially for transmission of electricity work
A Clearance joints can be formed, the Clearance joints can be understood as the band electric circle of wire electrical discharge formation, and it is big to avoid wire to occur herein
Amplitude is rocked, and is in order to avoid the Clearance joints contact with tower body 1).
In order to ensure the tangent tower economy in the utility model embodiment is good, i.e., ensuring whole transmission of electricity, everything goes well with your work
In the case of progress, using minimum wire, the most rational arrangement of use.Make to hang on below two wire cross-arms 2
Wire is in horizontally arranged.Herein horizontally arranged can be understood as：The wire of two lower sections of wire cross-arm 2 is hung in level side
To being parallel.
It is easy to disassemble while in order to ensure tower body 1 and the connection fastening of wire cross-arm 2, by lower tower body 1 and wire cross-arm 2
Connected by bolt assembly.
Further, it is connected for the ease of tower body 1 with wire cross-arm 2.It is provided with the framework of the bottom of wire cross-arm 2
First bolt hole；Second bolt hole relative with the first bolt hole is provided with the framework of the both sides of tower body 1；Bolt assembly is fixed on
In first bolt hole and the second bolt hole.
During installation, need to only the bolt in bolt assembly be used sequentially to pass through the first bolt hole and the second bolt hole, and at this
Nut is tightened on bolt.
Wherein, bolt assembly includes bolt and the nut being adapted with the bolt.The external diameter of nut is more than the first bolt hole
With the diameter of the second bolt hole.Bolt assembly, the first bolt hole, the quantity of the second bolt hole can be multiple, and mutually correspondingly,
Further ensure the steadiness that tower body 1 and wire cross-arm 2 connect.
It is easy to disassemble while in order to ensure wire cross-arm 2 and the connection fastening of earth wire rack 3, by earth wire rack 3 and wire cross-arm
2 are connected by bolt assembly.
Further, it is connected for the ease of wire cross-arm 2 with earth wire rack 3.It is provided with the framework of the bottom of earth wire rack 3
3rd bolt hole；Fourth bolt hole relative with the 3rd bolt hole is provided with the framework of the upper side of wire cross-arm 2；Bolt assembly
It is fixed in the 3rd bolt hole and the 4th bolt hole.
During installation, need to only the bolt in bolt assembly be used sequentially to pass through the 3rd bolt hole and the 4th bolt hole, and at this
Nut is tightened on bolt.
Wherein, the external diameter of nut is more than the diameter of the 3rd bolt hole and the 4th bolt hole.Bolt assembly, the 3rd bolt hole,
The quantity of 4th bolt hole can be multiple, and mutually corresponding, further ensure wire cross-arm 2 and earth wire rack 3 connect it is steady
Solidity.
The size of the various pieces for ± 500kv transmission line tangent towers that the utility model embodiment provides is needed according to reality
Border working condition is calculated (for actual condition, for example, ± the 500kv that the utility model embodiment provides is defeated
Electric line tangent tower can apply in the wind area that wind speed is 32m/s).It will be appreciated by persons skilled in the art that tower head (bag
Include wire cross-arm 2 and earth wire rack 3) size according to Clearance joints, ground wire lightning protection angle, ground wire hanging point 301 and conducting wire hanging point 201
The spacing with vertical direction determines in the horizontal direction, meets existing Regulations.Wherein, the size of wire cross-arm 2 and earth wire rack 3
Size determine successively.
To sum up, the utility model embodiment provide ± 500kv transmission line tangent towers possess tangent tower it is simple in construction,
Power transmission is clear, non-deformability is strong, construction and installation and on the basis of maintenance the advantages that facilitating, additionally it is possible to ensures the He of wire cross-arm 2
The stability of earth wire rack 3, reduce the weight of the tangent tower, reduce the wind area of tangent tower, that is, reduce it and born
Wind load.
Preferred embodiment of the present utility model is the foregoing is only, not to limit the scope of protection of the utility model,
All any modification, equivalent substitution and improvements within the spirit and principles of the utility model, made etc., should be included in this reality
Within new protection domain.
Claims (7)
1. one kind ± 500kv transmission line tangent towers, including：Tower body (1)；
Characterized in that, the tangent tower also includes：The wire cross-arm (2) of two rectangular pyramid frame structures, is symmetrically disposed in
Tower body (1) both sides, one end of the wire cross-arm (2) and the upper end vertical connection of the tower body (1) are another where tapering
One end is provided with conducting wire hanging point (201)；
The earth wire rack (3) of two rectangular pyramid frame structures, it is symmetrically disposed on two wire cross-arms (2), the ground wire
One end of frame (3) is connected with the wire cross-arm (2), and the other end where tapering is provided with ground wire hanging point (301).
2. ± 500kv transmission line tangent towers according to claim 1, it is characterised in that the trapezoidal frame of the tower body (1)
Frame structure.
3. ± 500kv transmission line tangent towers according to claim 1, it is characterised in that two conducting wire hanging points
(201) lower end is hung with insulator chain (4)；
The lower end of the insulator chain (4) is provided with suspending weight block.
4. ± 500kv transmission line tangent towers according to claim 1, it is characterised in that the tower body (1) and described lead
Line cross-arm (2) is connected by bolt assembly.
5. ± 500kv transmission line tangent towers according to claim 4, it is characterised in that wire cross-arm (2) bottom
Framework on be provided with the first bolt hole；
Second bolt hole relative with first bolt hole is provided with the framework of tower body (1) both sides；
The bolt assembly is fixed in first bolt hole and second bolt hole.
6. ± 500kv transmission line tangent towers according to claim 1, it is characterised in that the earth wire rack (3) and described
Wire cross-arm (2) is connected by bolt assembly.
7. ± 500kv transmission line tangent towers according to claim 6, it is characterised in that earth wire rack (3) bottom
The 3rd bolt hole is provided with framework；
Fourth bolt hole relative with the 3rd bolt hole is provided with the framework of wire cross-arm (2) upper side；
The bolt assembly is fixed in the 3rd bolt hole and the 4th bolt hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578655.6U CN207017740U (en) | 2017-05-23 | 2017-05-23 | One kind ± 500kv transmission line tangent towers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720578655.6U CN207017740U (en) | 2017-05-23 | 2017-05-23 | One kind ± 500kv transmission line tangent towers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207017740U true CN207017740U (en) | 2018-02-16 |
Family
ID=61476399
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720578655.6U Active CN207017740U (en) | 2017-05-23 | 2017-05-23 | One kind ± 500kv transmission line tangent towers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207017740U (en) |
-
2017
- 2017-05-23 CN CN201720578655.6U patent/CN207017740U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105155908A (en) | Heavy icing area alternating current strain tower in shape like Chinese character 'gan' | |
| CN201486201U (en) | Ultra-high voltage tension tower | |
| CN206128796U (en) | Cat head tangent tower | |
| CN204435989U (en) | One ± 500kV direct current lines tangent tower arrester adds assembling structure | |
| CN201953131U (en) | 220kV one-tower double-loop straight corner penetrating tower | |
| CN105155907A (en) | Strain tower | |
| CN207017740U (en) | One kind ± 500kv transmission line tangent towers | |
| CN206128808U (en) | Novel single loop cable dead end tower | |
| CN207813168U (en) | Singly cut-off π sections towers in double loop | |
| CN204311818U (en) | A kind of DC linear tower tower head | |
| CN206091522U (en) | Existing single loop strain insulator iron tower cable draws lower beam | |
| CN206016391U (en) | A kind of double loop cydariform cable termination tower that is maked somebody a mere figurehead based on drain bus under drawing | |
| CN108005458A (en) | Singly cut-off π sections towers in double loop | |
| CN204282890U (en) | A kind of transformer station Steel Structure beam structure | |
| CN207813164U (en) | A kind of DC power transmission line anchor support | |
| CN203808590U (en) | Tangent tower for 60-millimeter heavily iced area of +/-800-kilovolt ultrahigh-voltage direct current line | |
| CN202509840U (en) | +/_400kv direct current transmission line JK8 strain cross-over tower | |
| CN207177425U (en) | A kind of electric pole cross-arm bearing | |
| CN208899958U (en) | A kind of line bar builds ground stabilizing base | |
| CN202706639U (en) | Direct current double-circuit straight-line tower in heavy ice area | |
| CN106555499A (en) | Existing single loop strain insulator steel tower cable draws lower beam | |
| CN202012226U (en) | Narrow base tower | |
| CN206023151U (en) | The big span terminal cable bars of 10KV | |
| CN109356429A (en) | A kind of double loop 110kV, which is bored, gets over tower | |
| CN203271226U (en) | 220-kV one-way cable terminal steel pole tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |