CN208094136U - T connects the transmission line structure of downlead form - Google Patents
T connects the transmission line structure of downlead form Download PDFInfo
- Publication number
- CN208094136U CN208094136U CN201821320112.5U CN201821320112U CN208094136U CN 208094136 U CN208094136 U CN 208094136U CN 201821320112 U CN201821320112 U CN 201821320112U CN 208094136 U CN208094136 U CN 208094136U
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- China
- Prior art keywords
- downlead
- backbone
- degree
- line
- branch line
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- 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.)
- Expired - Fee Related
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Abstract
This application involves the transmission line structures that a kind of transmission line of electricity connection structure more particularly to a kind of T connect downlead form；It includes backbone, branch line, transmission tower, downlead and wire clamp, backbone is arranged in the top of branch line, not less than 3 meters, the included angle of the upright projection of backbone and the upright projection intersection of branch line is not less than 60 degree for the distance between backbone and branch line.Due to implementing above-mentioned technical proposal, the T that the application carries out downlead using the structure of the utility model connects, it can effectively ensure that the distance between downlead, effectively avoid the generation of phase fault accident, and the T that downlead is carried out using the structure of the utility model is connect, improve the stability that downlead T connects, improve the running quality of entire circuit, effectively reduce because T connect downlead wind-engaging swing twisted wire pine stock it is stranded due to the line fault that causes.
Description
Technical field
This application involves the transmission line of electricity knots that a kind of transmission line of electricity connection structure more particularly to a kind of T connect downlead form
Structure.
Background technology
Transmission line of electricity is by wind power generating set arrangement, wind power plant landform, geomorphologic conditions, crossing elimination path in wind power plant field
Deng influencing, that there are branch lines is more for wind power plant transmission line of electricity, intersect more, more times simultaneously a loop line situations such as.It designs on conventional transmission lines road
When, when crossing elimination T connects, at downlead farther out, wind power plant wind frequency is larger, and downlead wind pendulum is larger, causes to draw for T extension bar towers
Lower wire spacing is smaller, phase fault Frequent Accidents.T extension bars tower connects according to straight line pole T, and wind power plant wind frequency is larger, under drawing
Line wind pendulum increases, and causing T to connect, downlead twisted wire pine stock is stranded, and the situation that breaks can occur for long-time service, line security be influenced, because of wind
Electric field is mostly built in wind speed larger area, and downlead is by the wind swung for a long time, and downlead both ends can not fix wind pendulum, be easy to happen broken string
And phase fault, influence line security operation.
Invention content
The purpose of the application is to propose a kind of when can effectively solve current wind-powered electricity generation transmission line of electricity and intersecting T and connect, and easily leads to and draws
Lower wire spacing is smaller, and the T for being easy to happen broken string and phase fault connects the transmission line structure of downlead form.
What the application was realized in：T connects the transmission line structure of downlead form comprising backbone, branch line, defeated
Electric pole tower, downlead and wire clamp, backbone are arranged in the top of branch line, and the distance between backbone and branch line are not less than 3
The included angle of rice, the upright projection of backbone and the upright projection intersection of branch line is not less than 60 degree, backbone and branch
It is provided with two downleads of connection backbone and branch line between line, at least one line is installed between two downleads
Folder, every time backbone both sides connect backbone transmission tower, and branch line both ends connect branch line transmission tower, close to downlead
Backbone transmission tower is 20 meters away from distance at downlead center, and two branch line transmission towers are equal away from distance at downlead center
It is 20 meters.
Further, wire clamp is parallel groove clamp, and there are two parallel groove clamps for installation between two downleads.
Further, wire clamp is T-type wire clamp.
Further, it is tension-resistant rod, the backbone power transmission rod far from downlead close to the backbone transmission tower of downlead
Tower is strain rod tower or straight line pole, and branch line transmission tower is tension-resistant rod.
Further, the included angle of the upright projection intersection of the upright projection of backbone and branch line is 60 degree or 65
Degree or 70 degree or 75 degree or 80 degree or 85 degree or 90 degree.
Due to implementing above-mentioned technical proposal, the application reasonable and compact in structure is easy to use, using the knot of the utility model
The T that structure carries out downlead connects, and can effectively ensure that the distance between downlead, effectively avoids the generation of phase fault accident, and
And the T that downlead is carried out using the structure of the utility model is connect, and is improved the stability that downlead T connects, is improved entire circuit
Running quality, effectively reduce because T connect downlead wind-engaging swing twisted wire pine stock it is stranded due to the line fault that causes.The utility model
T connect wind power plant transmission line of electricity backbone and branch line that downlead mode is applicable to voltage class 10kV, 35kV, 110kV
Connection.
Description of the drawings
The concrete structure of the application is provided by drawings and examples below：
Fig. 1 is the structural schematic diagram of the application most preferred embodiment.
Legend：1. backbone, 2. branch lines, 3. transmission towers, 4. downleads, 5. wire clamps.
Specific implementation mode
The application is not limited by following embodiments, can be determined according to the technical solution of the application and actual conditions specific
Embodiment.
As shown in Figure 1, the transmission line structure that T connects downlead form includes backbone 1, branch line 2, transmission tower 3, draws
Offline 4 and wire clamp 5, backbone 1 is arranged in the top of branch line 2, and the distance between backbone 1 and branch line 2 are not less than 3 meters,
The upright projection of backbone 1 and the included angle of the upright projection intersection of branch line 2 are not less than 60 degree, backbone 1 and branch
It is provided with two downleads 4 of connection backbone 1 and branch line 2 between line 2, is equipped between two downleads 4 at least one
Wire clamp 5, ensure that 4 fixation of downlead in strong wind, every time 1 both sides of backbone meet 1 transmission tower 3 of backbone, branch
2 both ends of line connect 2 transmission tower 3 of branch line, and 1 transmission tower 3 of backbone close to downlead 4 is away from distance at 4 center of downlead
It it is 20 meters, two 2 transmission towers 3 of branch line are 20 meters away from distance at 4 center of downlead, can ensure not occur at wire clamp 5
Wind is put and twisting, ensures that downlead 4 is stablized, it is ensured that line bar is that the T meets safe and reliable one of mode with distance at 4 center of downlead
A guarantee.
The phase sequence of circuit should be checked and approved before construction, it is ensured that the backbone and branch line T of identical phase sequence connect.
The T that downlead 4 is carried out using the structure of the utility model is connect, and can effectively ensure that the distance between downlead 4, has
Effect avoids the generation of phase fault accident, and is connect using the T of the structure of the utility model progress downlead 4, improves under drawing
The stability that line 4T connects improves the running quality of entire circuit, effectively reduces by the wind swinging twisted wire pine stock because T connects downlead 4
Stranded and initiation line fault.The T of the utility model connect 4 mode of downlead be applicable to voltage class 10kV, 35kV,
The connection of the wind power plant transmission line of electricity backbone 1 and branch line 2 of 110kV.
As shown in Figure 1, wire clamp 5 is parallel groove clamp, there are two parallel groove clamps for installation between two downleads 4.It can first use
After wire clamp 5 fixes two downleads 4, then downlead 4 connect with backbone 1 and branch line 2 respectively.It is torn open using parallel groove clamp
Unload it is easy for installation, it is convenient to carry out.
As shown in Figure 1, wire clamp 5 is T-type wire clamp.It is high using T-type wire clamp installation strength, the stability of installation is effectively ensured.
It is the common preferred embodiment of embodiment 1, embodiment 2, embodiment 3 below：
As shown in Figure 1,1 transmission tower 3 of backbone close to downlead 4 is tension-resistant rod, the backbone 1 far from downlead 4
Transmission tower 3 is strain rod tower or straight line pole, and 2 transmission tower 3 of branch line is tension-resistant rod.Tension-resistant rod by cable will not tension not yet
Understand pine, and ensures the stability of installation.
As shown in Figure 1, the included angle of the upright projection intersection of the upright projection and branch line 2 of backbone 1 is 60 degree
Or 65 degree or 70 degree or 75 degree or 80 degree or 85 degree or 90 degree.
The above technical characteristic constitutes the most preferred embodiment of the application, is imitated with stronger adaptability and best implementation
Fruit can increase and decrease inessential technical characteristic according to actual needs, to meet the needs of different situations.
Claims (6)
1. a kind of T connects the transmission line structure of downlead form, it is characterised in that：Including backbone, branch line, transmission tower,
Downlead and wire clamp, backbone are arranged in the top of branch line, and the distance between backbone and branch line are not less than 3 meters, trunk
The upright projection of line and the included angle of the upright projection intersection of branch line are not less than 60 degree, are set between backbone and branch line
Two downleads of connection backbone and branch line are equipped with, at least one wire clamp, every time master are installed between two downleads
Main line both sides connect backbone transmission tower, and branch line both ends connect branch line transmission tower, and the backbone close to downlead is defeated
Electric pole tower is 20 meters away from distance at downlead center, and two branch line transmission towers are 20 meters away from distance at downlead center.
2. T according to claim 1 connects the transmission line structure of downlead form, it is characterised in that：Wire clamp is simultaneously ditch line
It presss from both sides, there are two parallel groove clamps for installation between two downleads.
3. T according to claim 1 connects the transmission line structure of downlead form, it is characterised in that：Wire clamp is T-type line
Folder.
4. T according to claim 1 or 2 or 3 connects the transmission line structure of downlead form, it is characterised in that：It is close to draw
Offline backbone transmission tower is tension-resistant rod, and the backbone transmission tower far from downlead is strain rod tower or straight line pole, is divided
Branch line transmission tower is tension-resistant rod.
5. T according to claim 1 or 2 or 3 connects the transmission line structure of downlead form, it is characterised in that：Backbone
Upright projection and branch line upright projection intersection included angle be 60 degree or 65 degree or 70 degree or 75 degree or 80 degree or
85 degree or 90 degree.
6. T according to claim 4 connects the transmission line structure of downlead form, it is characterised in that：Backbone it is vertical
Projection and branch line upright projection intersection included angle be 60 degree or 65 degree or 70 degree or 75 degree or 80 degree or 85 degree or
90 degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821320112.5U CN208094136U (en) | 2018-08-16 | 2018-08-16 | T connects the transmission line structure of downlead form |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821320112.5U CN208094136U (en) | 2018-08-16 | 2018-08-16 | T connects the transmission line structure of downlead form |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208094136U true CN208094136U (en) | 2018-11-13 |
Family
ID=64052373
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821320112.5U Expired - Fee Related CN208094136U (en) | 2018-08-16 | 2018-08-16 | T connects the transmission line structure of downlead form |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208094136U (en) |
-
2018
- 2018-08-16 CN CN201821320112.5U patent/CN208094136U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181113 Termination date: 20210816 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |