CN207813164U - A kind of DC power transmission line anchor support - Google Patents
A kind of DC power transmission line anchor support Download PDFInfo
- Publication number
- CN207813164U CN207813164U CN201720649667.3U CN201720649667U CN207813164U CN 207813164 U CN207813164 U CN 207813164U CN 201720649667 U CN201720649667 U CN 201720649667U CN 207813164 U CN207813164 U CN 207813164U
- Authority
- CN
- China
- Prior art keywords
- conducting wire
- tower body
- lower tower
- hanging point
- 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
- Insulators (AREA)
Abstract
The utility model discloses a kind of DC power transmission line anchor supports, belong to steel tower technical field used for transmission line.The anchor support includes：Lower tower body, two conducting wire cross-arms, two earth wire racks.Wherein, two conducting wire cross-arms are symmetrically disposed in the left and right sides of lower tower body, and one end of the conducting wire cross-arm and the upper end of lower tower body are vertically connected, and the other end is provided with conducting wire hanging point；Two earth wire racks are inclined at the both sides of lower tower body；One end of earth wire rack is connect with the junction of lower tower body and conducting wire cross-arm, and the other end is provided with the ground wire hanging point above conducting wire hanging point；Ground wire hanging point all has spacing with vertical direction in the horizontal direction with conducting wire hanging point.The utility model has carried out structure optimization by the way that the structure of DC power transmission line anchor support to be defined as above, to it, ensure that its tower height is relatively low, lighter in weight, has great importance for reducing basic comprehensive expense and improving transmission of electricity work safety.
Description
Technical field
The utility model is related to steel tower technical field used for transmission line, more particularly to a kind of DC power transmission line anchor support.
Background technology
The difference of function and purposes can there are many classification, examples in transmission line of electricity according to steel tower for steel tower used for transmission line
Such as tangent tower, anchor support.Wherein, anchor support is other than being used to support the gravity of conducting wire and ground wire, also subject to conducting wire and ground wire
Tension.In order to ensure being smoothed out for anchor support transmission of electricity work, it is very must to the lightning protection requirement of conducting wire to meet ground wire
It wants.
As shown in Fig. 1, the prior art provides a kind of dry font anchor support of direct current, including：1, two conducting wire of lower tower body
Cross-arm 2, two earth wire racks 3, upper tower bodies 5.Wherein, upper tower body 5 is connected with the upper end of lower tower body 1.Two conducting wire cross-arms 2 are symmetrically
It is arranged in the left and right sides of lower tower body 1, also, one end of the conducting wire cross-arm 2 and the upper end of lower tower body 1 are vertically connected, the other end
It is provided with conducting wire hanging point 201.Two earth wire racks 3 are symmetrically disposed in the left and right sides of tower body 5, also, the one of the earth wire rack 3
The upper end with upper tower body 5 is held to be vertically connected, the other end is provided with the ground wire hanging point 301 for hanging ground wire.Wherein, earth wire rack 3
Length be less than conducting wire cross-arm 2 length.Based on above-mentioned, the prior art makes conducting wire cross-arm 2 and ground wire by the upper tower body 5 of setting
Frame 3 has spacing in the vertical direction, and ground wire hanging point 301 is located at the top of conducting wire hanging point 201, conducting wire hanging point 201 and ground wire
Hanging point 301 in the horizontal direction with spacing is all had on vertical direction, and then meet lightning protection requirement of the ground wire to conducting wire.It should
Dry font anchor support has many advantages, such as that simple in structure, power transmission is clear, non-deformability is strong, construction and installation and can be conveniently overhauled.
Designer has found that the existing technology has at least the following problems：
The direct current that the prior art uses does font anchor support to meet lightning protection requirement of the ground wire to conducting wire, needs
The upper tower body 5 of upper end setting of lower tower body 1, leads to whole higher, the heavier-weight of the tower body of anchor support.
Utility model content
The technical problem to be solved by the embodiment of the utility model is, it is relatively low to provide a kind of tower body, lighter in weight
DC power transmission line anchor support.Specific technical solution is as follows：
A kind of DC power transmission line anchor support, including：Lower tower body；
Two conducting wire cross-arms are symmetrically disposed in the lower tower body both sides, one end of the conducting wire cross-arm and the lower tower
The upper end of body is vertically connected, and the other end is provided with conducting wire hanging point；
Two earth wire racks；
Two earth wire racks are inclined at the both sides of the lower tower body；
One end of the earth wire rack is connect with the junction of the lower tower body and the conducting wire cross-arm, and the other end is provided with position
Ground wire hanging point above the conducting wire hanging point；
The ground wire hanging point all has spacing with vertical direction in the horizontal direction with the conducting wire hanging point.
Specifically, preferably, each there are two the opposite conducting wire hanging points for the end set of the conducting wire cross-arm；
Each conducting wire hanging point is connect with one end of a strain insulator string respectively, the strain insulator string it is another
One end is connected with conducting wire；
Two strain insulator strings are connected with the junction of the conducting wire by wire jumper.
Specifically, preferably, two conducting wire hanging points are hung with insulator chain vertically；
The lower end of the insulator chain is connect with the wire jumper.
Specifically, preferably, the trapezoidal structure of lower tower body.
Specifically, preferably, the lower tower body is connected with the conducting wire cross-arm by bolt assembly.
Specifically, preferably, the lower tower body is connected with the earth wire rack by bolt assembly.
The advantageous effect brought of technical solution that the utility model embodiment provides is：
The DC power transmission line anchor support that the utility model embodiment provides, by being inclined at down two earth wire racks
The both sides of tower body make ground wire hanging point be located at the top of conducting wire hanging point, so that ground wire hanging point and conducting wire hanging point are in the horizontal direction and perpendicular
Histogram all has spacing upwards, to meet lightning protection requirement of the ground wire to conducting wire, ensure anchor support transmission of electricity work it is smooth into
Row.Under the premise of meeting its power transmission work requirement, two earth wire racks by being inclined at down by the utility model embodiment
The both sides of tower body make one end of earth wire rack be connect with the junction of lower tower body and conducting wire cross-arm, to DC power transmission line anchor support
Structure optimization has been carried out, while ensure that its tower height is relatively low, lighter in weight, for reducing basic comprehensive expense and improving transmission of electricity work
Make safety to have great importance.
Description of the drawings
It is required in being described below to embodiment in order to illustrate more clearly of the technical scheme in the embodiment of the utility model
Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model
Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the schematic cross-section that the direct current that the prior art provides does font anchor support；
Fig. 2 is the schematic cross-section for the DC power transmission line anchor support that the utility model embodiment provides.
Reference numeral indicates respectively：
1 time tower body,
2 conducting wire cross-arms,
201 conducting wire hanging points,
3 earth wire racks,
301 ground wire hanging points,
4 insulator chains,
Tower body on 5.
Specific implementation mode
It is new to this practicality below in conjunction with attached drawing to keep the purpose of this utility model, technical solution and advantage clearer
Type embodiment is described in further detail.
It should be noted that the direction where ground to be considered as to the direction where DC power transmission line anchor support lower end；It will
Face where ground is considered as horizontal plane, and the face where the central axes of anchor support is considered as vertical plane.For ground wire hanging point 301 with lead
Line hanging point 201 in the horizontal direction with the spacing of vertical direction, as long as meeting lightning protection requirement of the ground wire to conducting wire, this reality
It is not especially limited at this with new embodiment.
The utility model embodiment provides a kind of DC power transmission line anchor support, as shown in Fig. 2, the anchor support packet
It includes：The earth wire rack 3 of conducting wire cross-arm 2, two of lower tower body 1, two.Wherein, two conducting wire cross-arms 2 are symmetrically disposed in lower tower body 1
The left and right sides, and one end of conducting wire cross-arm 2 and the upper end of lower tower body 1 are vertically connected, the other end is provided with conducting wire hanging point 201.Two
A earth wire rack 3 is inclined at the both sides of lower tower body 1；One end of earth wire rack 3 connects with the junction of lower tower body 1 and conducting wire cross-arm 2
It connects, the other end is provided with the ground wire hanging point 301 above conducting wire hanging point 201；Ground wire hanging point 301 is with conducting wire hanging point 201 in water
Square all have spacing to vertical direction.
The DC power transmission line anchor support that the utility model embodiment provides, by being inclined at two earth wire racks 3
The both sides of lower tower body 1 make ground wire hanging point 301 be located at the top of conducting wire hanging point 201, so that ground wire hanging point 301 and conducting wire hanging point 201
In the horizontal direction with all have spacing on vertical direction, to meet lightning protection requirement of the ground wire to conducting wire, ensure that anchor support is defeated
Electricity work is smoothed out.Under the premise of meeting its power transmission work requirement, the utility model embodiment is by by two ground wires
Frame 3 is inclined at the both sides of lower tower body 1, and one end of earth wire rack 3 is made to be connect with the junction of lower tower body 1 and conducting wire cross-arm 2, right
DC power transmission line anchor support has carried out structure optimization, while ensure that its tower height is relatively low, lighter in weight, comprehensive for reducing basis
Conjunction expense and raising transmission of electricity work safety have great importance.
Wherein, the angle of inclination of two earth wire racks 3 may be the same or different.Two 3 structures of earth wire rack are identical, can
It to be symmetrical arranged in the both sides of lower tower body 1, can not also be symmetrical arranged, specific situation of arranging is according to the practical lightning protection of conducting wire
Depending on it is required that.
In the utility model embodiment, there are two opposite conducting wire hanging points 201 for the end set of each conducting wire cross-arm 2；
Each conducting wire hanging point 201 is connect with one end of a strain insulator string respectively, and the other end of strain insulator string is and conducting wire
It is connected；Two strain insulator strings are connected with the junction of conducting wire by wire jumper.
By making each conducting wire hanging point 201 be connect respectively with a strain insulator string, ensure that conducting wire and lower tower body 1 it
Between be in state of insulation, avoid generating security risk, to influence to transmit electricity, work is normally carried out.By the way that two strain insulators are insulated
Substring is connected with the junction of conducting wire using wire jumper, make between conducting wire and lower tower body 1 be in state of insulation while, complete with
Electrical connection between two connected conducting wires of two strain insulator strings, ensure that being smoothed out for transmission of electricity work.
Wherein, which is lower wire jumper, is located at the lower section of strain insulator string.
Further, two conducting wire hanging points 201 are hung with insulator chain 4 vertically (referring to attached drawing 2)；The insulator chain 4
Lower end connect with wire jumper.
Since the length of above-mentioned wire jumper is longer, by making two 201 vertical suspension insulator strings 4 of conducting wire hanging point, and make absolutely
The lower end of edge substring 4 is connect with wire jumper.It can either ensure that wire jumper is in state of insulation with lower tower body 1, and may be implemented to wire jumper
Suspension, to ensure the connection effect of wire jumper and conducting wire.
Wherein, the lower end of insulator chain 4 is provided with suspending weight block and wire jumper hanging point, by the way that suspending weight block is arranged, avoids wire jumper
Occur significantly to shake under the action of the forces of the wind, to influence to transmit electricity, work is smoothed out (in electricity transmission process, on conducting wire
Any point centered on can radially form a Clearance joints, which can be understood as the electrification of wire electrical discharge formation
Circle, and wire jumper generation is avoided significantly to shake herein, it is in order to avoid the Clearance joints are contacted with lower tower body 1).
Economy in order to ensure the anchor support in the utility model embodiment is good, i.e., suitable in the work that ensures entirely to transmit electricity
In the case that profit carries out, using minimum conducting wire, the most rational arrangement of use.Make to hang on two conducting wire cross-arms 2
Conducting wire is in horizontally arranged.
In the utility model embodiment, 1 trapezoidal structure of lower tower body descends the cross-sectional area of tower body 1 gradual from top to bottom
Increase, more stablizes so that anchor support is whole.
It is easy to disassemble while in order to ensure lower tower body 1 and the connection fastening of conducting wire cross-arm 2, by lower tower body 1 and conducting wire cross-arm
2 are connected by bolt assembly.
Specifically, it is both provided on lower tower body 1 and conducting wire cross-arm 2 for the first through hole across bolt, when installation, uses
Bolt in bolt assembly passes through the first through hole on lower tower body 1 and conducting wire cross-arm 2, and tightens nut on the screw rod.
Wherein, bolt assembly includes bolt and nut compatible with the bolt.The outer diameter of nut is more than first through hole
Diameter.The quantity of bolt assembly and first through hole can be multiple, and correspond, and further ensure lower tower body 1 and conducting wire
The stability that cross-arm 2 connects.
It is easy to disassemble while in order to ensure lower tower body 1 and the connection fastening of earth wire rack 3, lower tower body 1 and earth wire rack 3 are led to
Bolt assembly is crossed to be connected.
Specifically, it is both provided on lower tower body 1 and earth wire rack 3 for the second through-hole across bolt, when installation, uses spiral shell
Bolt in bolt assembly passes through the second through-hole on lower tower body 1 and earth wire rack 3, and tightens nut on the screw rod.
Wherein, the outer diameter of nut is more than the diameter of the second through-hole.The quantity of bolt assembly and the second through-hole can be it is multiple,
And correspond, further ensure the stability that lower tower body 1 and earth wire rack 3 connect.
The DC power transmission line anchor support that the utility model embodiment provides is suitable for the DC transmission line of each voltage class
Road.The size of the various pieces of the DC power transmission line anchor support is needed according to actual working conditions such as transmission line of electricity voltage class
It is calculated.It will be appreciated by persons skilled in the art that the size root of tower head (including conducting wire cross-arm 2 and earth wire rack 3)
It determines, meets according to the level interval and vertical interval of Clearance joints, ground wire lightning protection angle, conducting wire hanging point 201 and ground wire hanging point 301
Existing Regulations.Wherein, the size of conducting wire cross-arm 2 and the size of earth wire rack 3 are determining successively.
Below by taking 500kV voltage class transmission lines of electricity as an example, to the DC power transmission line of the utility model embodiment offer
Anchor support is further described.
As shown in Fig. 2, DC power transmission line anchor support provided in this embodiment includes：1, two conducting wire cross-arm of lower tower body
2, two earth wire racks 3.Wherein, two conducting wire cross-arms 2 are symmetrically disposed in the left and right sides of lower tower body 1, and the one of conducting wire cross-arm 2
The upper end with lower tower body 1 is held to be vertically connected, the other end is provided with conducting wire hanging point 201.Two earth wire racks 3 are inclined at lower tower body
1 both sides；One end of earth wire rack 3 is connect with the junction of lower tower body 1 and conducting wire cross-arm 2, and the other end is provided with to be hung positioned at conducting wire
The ground wire hanging point 301 of 201 top of point；Between ground wire hanging point 301 and conducting wire hanging point 201 are in the horizontal direction and vertical direction all has
Away from.
One end of two earth wire racks 3 is separately positioned on to the junction of lower tower body 1 and conducting wire cross-arm 2, makes the ground of the other end
Line hanging point 301 is located at the top of conducting wire hanging point 201, and and conducting wire hanging point 201 in the horizontal direction and between being all had on vertical direction
Away to meet lightning protection requirement of the ground wire to conducting wire.
The parameters such as the size of conducting wire cross-arm 2 and earth wire rack 3 are determined according to actual condition.The results show that in identical operating mode
Under, compared with existing direct current does font anchor support, the tower head height of the DC power transmission line anchor support of the present embodiment reduces
1.0m~1.5m, tower weight overall reduction 4%~5%, to make basic role power reduce by 5%~8%, basic comprehensive expense reduces
2%~4%.
It is seen from the above data that the tower head height for the DC power transmission line anchor support that the utility model embodiment provides
It is significantly reduced again with tower.
To sum up, the utility model embodiment provide DC power transmission line anchor support have anchor support it is simple in structure, pass
Power is clear, non-deformability is strong, construction and installation and on the basis of maintenance the advantages that facilitating, additionally it is possible to reduce anchor support height and
Weight has great importance for reducing basic comprehensive expense and improving transmission of electricity work safety.
The above is only the preferred embodiment of the present invention, the protection domain being not intended to limit the utility model,
Within the spirit and principle of the utility model, any modification, equivalent replacement, improvement and so on should be included in this reality
Within novel protection domain.
Claims (5)
1. a kind of DC power transmission line anchor support, including：Lower tower body (1)；
Two conducting wire cross-arms (2), are symmetrically disposed in lower tower body (1) both sides, one end of the conducting wire cross-arm (2) with it is described
The upper end of lower tower body (1) is vertically connected, and the other end is provided with conducting wire hanging point (201)；
Two earth wire racks (3)；
It is characterized in that, two earth wire racks (3) are inclined at the both sides of the lower tower body (1)；
One end of the earth wire rack (3) is connect with the junction of the lower tower body (1) and the conducting wire cross-arm (2), and the other end is set
The ground wire hanging point (301) being equipped with above the conducting wire hanging point (201)；
The ground wire hanging point (301) all has spacing with vertical direction in the horizontal direction with the conducting wire hanging point (201)；
There are two the opposite conducting wire hanging points (201) for the end set of each conducting wire cross-arm (2)；
Each conducting wire hanging point (201) connect with one end of a strain insulator string respectively, the strain insulator string
The other end is connected with conducting wire；
Two strain insulator strings are connected with the junction of the conducting wire by wire jumper.
2. DC power transmission line anchor support according to claim 1, which is characterized in that two conducting wire hanging points (201)
It is hung with insulator chain (4) vertically；
The lower end of the insulator chain (4) is connect with the wire jumper.
3. DC power transmission line anchor support according to claim 1, which is characterized in that the trapezoidal knot of the lower tower body (1)
Structure.
4. DC power transmission line anchor support according to claim 1, which is characterized in that the lower tower body (1) and described lead
Line cross-arm (2) is connected by bolt assembly.
5. DC power transmission line anchor support according to claim 1, which is characterized in that the lower tower body (1) and described
Coil holder (3) is connected by bolt assembly.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720649667.3U CN207813164U (en) | 2017-06-06 | 2017-06-06 | A kind of DC power transmission line anchor support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720649667.3U CN207813164U (en) | 2017-06-06 | 2017-06-06 | A kind of DC power transmission line anchor support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207813164U true CN207813164U (en) | 2018-09-04 |
Family
ID=63335769
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720649667.3U Active CN207813164U (en) | 2017-06-06 | 2017-06-06 | A kind of DC power transmission line anchor support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207813164U (en) |
-
2017
- 2017-06-06 CN CN201720649667.3U patent/CN207813164U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105406434B (en) | A kind of inclined conducting wire hanging method of strong wind area power transmission line wind | |
| CN105155908A (en) | Heavy icing area alternating current strain tower in shape like Chinese character 'gan' | |
| 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 | |
| CN200976471Y (en) | DC dual-polar vertical arrangement F-shaped transmission line series iron tower | |
| CN202167811U (en) | Arrangement structure of rigid jumper asymmetrical V-shaped insulator strings of transmission line | |
| CN203871745U (en) | Double-hoisting-point rod head fixture for live changing of linear insulator on steel pipe pole of 220kV line | |
| CN207813164U (en) | A kind of DC power transmission line anchor support | |
| CN105155907A (en) | Strain tower | |
| CN210127695U (en) | Cable terminal tower with novel cable supporting structure | |
| CN206091522U (en) | Existing single loop strain insulator iron tower cable draws lower beam | |
| CN206722513U (en) | A kind of overhead transmission line composite punching tangent tower | |
| CN206016391U (en) | A kind of double loop cydariform cable termination tower that is maked somebody a mere figurehead based on drain bus under drawing | |
| CN206128807U (en) | Four return circuit steel pipe towers are thoughtlessly pressed to wild goose wing type | |
| CN206220619U (en) | A kind of single time overhead transmission line cable T joint draws lower anchor support | |
| CN204928052U (en) | Rod -type vertical arrangement compact transmission line | |
| CN207017740U (en) | One kind ± 500kv transmission line tangent towers | |
| CN106555499A (en) | Existing single loop strain insulator steel tower cable draws lower beam | |
| CN210838890U (en) | 35kV cable draws device down | |
| CN207200005U (en) | A kind of 500kV HGIS power distribution equipments suitable for height above sea level 2500m | |
| CN209469366U (en) | A kind of new take-off formula conducting wire hanging ladder | |
| CN210127694U (en) | Cable terminal pole for breaking one cable in double-circuit same-pole parallel power transmission line | |
| CN202678841U (en) | Fast rush repair tower of high-voltage transmission lines | |
| CN102817489A (en) | Double-tower-window double-loop linear tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |