CN109119962A - A kind of maintenance pipe of overhead transmission line - Google Patents
A kind of maintenance pipe of overhead transmission line Download PDFInfo
- Publication number
- CN109119962A CN109119962A CN201810795337.4A CN201810795337A CN109119962A CN 109119962 A CN109119962 A CN 109119962A CN 201810795337 A CN201810795337 A CN 201810795337A CN 109119962 A CN109119962 A CN 109119962A
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- CN
- China
- Prior art keywords
- grooves
- strip
- shaped insulating
- reverse
- ribs
- 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.)
- Pending
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G7/00—Overhead installations of electric lines or cables
Landscapes
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
本发明公开了一种架空输电线路的修护管，由带状绝缘部以缠绕方式将其内表面贴合到其外表面上而形成，所述带状绝缘部外表面的两端分别设置有沿长度方向延伸的反向筋和凸条，所述的反向筋和凸条平行排列，所述带状绝缘部内表面相对凸条的位置设置有与反向筋适配的凹槽，当条状带状绝缘部卷成修护管时反向筋嵌入凹槽，所述的凹槽表面还设置有屏蔽层，所述的反向筋和凹槽之间还设置有黏胶层；本发明使用前为长条形，且自螺旋成筒状的直径大小可调节，只需要携带本发明便可以维护不同线径的架空输电线路，便于线路作业人员随身携带，降低了运输成本；本发明利用反向筋和凹槽将自螺旋成筒状的带状绝缘部固定扣合，易于操作，安全性能高。
The invention discloses a repairing tube for overhead transmission lines, which is formed by a tape-shaped insulating part pasting its inner surface to its outer surface in a winding manner, and two ends of the outer surface of the tape-shaped insulating part are respectively provided with Reverse ribs and protruding strips extending along the length direction, the reverse ribs and protruding strips are arranged in parallel, the inner surface of the strip-shaped insulating part is provided with a groove that is adapted to the reverse ribs at the position relative to the protruding strips. When the strip-shaped insulating part is rolled into a repair tube, the reverse ribs are embedded in the grooves, the surface of the grooves is further provided with a shielding layer, and an adhesive layer is also arranged between the reverse ribs and the grooves; the invention Before use, it is in the shape of a long strip, and the diameter from the spiral to the cylindrical shape can be adjusted, and the overhead transmission lines of different wire diameters can be maintained only by carrying the present invention, which is convenient for line operators to carry with them and reduces the transportation cost; the present invention utilizes The reverse ribs and grooves fasten and fasten the self-spiral tape-shaped insulating part, which is easy to operate and has high safety performance.
Description
Technical field
The present invention relates to a kind of conductive wire protection apparatus, are specifically a kind of for 110-220kV overhead power transmission bare wire
Maintenance pipe.
Background technique
It is aerial to refer to a kind of system of laying, it is a kind of mode of the substances such as electric power, communication, water supply, heat supply conveying, there is frame
Hollow wire, overhead transmission line, aerial optical fiber or OPGW line, there are also overhead heat distribution pipelines and pipe on frame etc..
Wherein overhead transmission line and aerial condutor are two different power Transmission materials again, in the method for operation, product knot
Structure, technical requirements are entirely two different scopes in inspection standard；Electric wire electric wire technical committee for standardization (TCST) (SAC/TC213)
Centralized to explain every national standard or professional standard, what clearly proposition coaxial cord solved is " electromagnetic wave " problem, conducting wire solution
Certainly be " electric current " problem.
Aerial condutor generally selects light and thin type conducting wire (see national standard GB/T14049-2008), this light and thin type on stricti jurise
Conducting wire belongs to semi-insulating, also, in urban construction and development, due to entreprise cost and planning, can not realize complete
This form of portion's electric wireization, thus aerial condutor will long-term existence in we live in.
It is minimum safe distance that overhead power transmission bare wire, which has an important index, and minimum safe distance is naked depending on transmitting electricity
Ground field intensity value below the vertical minimum point of bank, minimum safe distance determine minimum safe distance, and then influence to need to use
Safety standard.
It is limited to field of employment and power supply area local environment, overhead power transmission bare wire is often extremely difficult to mark in city at present
Quasi- minimum safe distance, this use just to 110-220kV overhead power transmission bare wire bring great limitation.
Publication date is on July nineteen eighty-three 5, and the United States Patent (USP) of Patent No. 4,391,303 " forms the band-like of tubular safety cover
Device ", it is rectangular protection pipe that disclosed strap means, which are bent into a section by the groove of inside three, the shield as electric wire
Pipe is in use, too thin at groove cause there are point discharge, and there are great security risks.
Publication date is on August 27th, 2003, and application No. is 01811706.6 Chinese patents " to have expandable body part
Obvolvent cable conduct and casing production method ", will after main body is closed up by longitudinal extend that cross section is corrugated shape
The main body obvolvent of electrically insulating material is on electric wire.When this cable conduct is used for electric wire, due to the cross section of longitudinally extending portion
For wave-like, there are all polyaxial fins for the rear inboard wall of tube body formed on electric wire for obvolvent, in order to avoid causing to hurt to electric wire
Evil needs to fill the sealing materials such as silicone gel in pipe；The presence of axial fin makes the electric field of electric wire in casing uneven simultaneously
It is even, it is unable to reach the higher class of insulation, and all polyaxial fins that tube surfaces equally exist make the casing be not suitable for family
Outer trolley wire uses；And casing close up after need by longitudinal stretched sheathed tube component by casing transverse ends portion connection make
Close up, first is that, second is that being only used for straight electric wire, curvature can not be more than 15 °, and outdoor aerial is electric using cumbersome
Generally curved 20-40 ° or even 60 ° of the bending of line also can often encounter.
Summary of the invention
Insulating tape, curvature can be replaced to reach 20-40 °, in 110-220kV frame the purpose of the present invention is to provide a kind of
The overhead transmission line that operation power transmission line part all insulation is formed in the Fault Isolation region of empty power transmission line safeguards pipe.
The technical solution adopted by the present invention to solve the technical problems is: a kind of maintenance pipe of overhead transmission line, by item
The strip insulation portion of shape is with canoe fits to its inner surface on its outer surface and is formed, strip insulation portion outer surface
Both ends be respectively arranged with the reversed muscle and raised line extended along its length, the reversed muscle and tab parallel arrangement are described
Strip insulation portion inner surface is provided with the groove being adapted to reversed muscle, the reversed muscle two sides of the bottom point with respect to the position of raised line
It is not provided with card slot, the bottom portion of groove two sides are respectively arranged with the fin being adapted to card slot, when the band-like insulation division of strip is rolled into
Reversed muscle insertion groove, fin are embedded in card slot when maintenance pipe, and the groove surfaces are additionally provided with shielded layer, the reversed muscle
Mucigel is additionally provided between groove, the strip insulation portion is gradually reduced from raised line side to reversed muscle side thickness.
A kind of maintenance pipe of overhead transmission line, shielded layer are copper foil layer, aluminium foil layer, copper braiding belt or lead
Electrocoat.
A kind of maintenance pipe of overhead transmission line, conductive coating are the metallic fiber of longitude and latitude establishment.
The beneficial effects of the present invention are:
1, it is wrapped in outside electric wire, is clamped by the groove of inner surface and the reversed muscle of outer surface, so that band-like when the present invention uses
Insulation division becomes hollow casing, the covered electric cable as insulating tape, but can make to deposit between strip insulation portion and electric wire again
In certain interval, the bending energy of electric wire reaches 20-40 ° even 60 °.The creepage distance of insulation tube contact surface is effectively increased, and
And electric wire becomes being movably arranged in insulation tube in insulation tube from being fixed on, electric wire can will not generate air gap and put along axial-rotation
Electrical phenomena enhances the dielectric level of wire pair insulator surface.
2, the present invention can substantially reduce ground field intensity value, so that minimum safe distance reduces, substantially increase the logical of route
Rate is crossed, enabling reduces safety standard when 110-220kV overhead power transmission bare wire in-site installation use；Unit Weight is relatively light, section
It is smaller, conducting wire sag is influenced minimum；And using preceding is strip, convenient for circuit homework, personnel are carried, and reduce transport
Cost.
3, the present invention using reversed muscle device will from spiral at tubular strip insulation portion it is fixed fasten, clever structure, easily
In operation, security performance is high, can be avoided point discharge, is not easy to produce the air gap electric discharge, not only reduces circuit homework
While the labor intensity of personnel, power supply reliability is also increased.
4, the present invention can determine strip insulation portion from spiral at cylinder according to the line footpath of 110-220kV overhead transmission line
Diameter when shape guarantees that maintenance pipe is wrapped in transmission line of electricity outer layer, and influencing maintenance due to will not be too big because of line footpath or too small manages
Using effect.It is convenient that diameter of the present invention is adjusted, it is only necessary to which carrying the present invention can safeguard that making somebody a mere figurehead for different line footpaths is defeated
Electric line facilitates the Portability and operability of circuit homework personnel.
5, the present invention can determine the length of maintenance pipe according to actual needs, can quickly and easily connect at the scene
With separate the maintenance pipe, simple production process is easy to use, quick.
6, the present invention can effectively solve contradiction between tree and line, road, reduce failure, reduce power department at
This.
7, the present invention is rubber parts, is wrapped in the outside of 110-220kV overhead transmission line, makes somebody a mere figurehead 110-220kV defeated
The wear-resisting property of electric line improves, and has permanent anti-aging property, strengthens its mechanical performance and insulation performance.
Detailed description of the invention
Fig. 1 is the perspective view before use of the present invention；
Fig. 2 is the side view before use of the present invention；
Fig. 3 is the perspective view after use of the present invention；
Fig. 4 is the sectional view after use of the present invention at card knot.
Each appended drawing reference are as follows: 1-strip insulation portion, 2-raised lines, 3-grooves, 4-reversed muscle, 31-fins, 41-cards
Slot.
Specific embodiment
Invention is further described in detail with reference to the accompanying drawings and examples.
The invention discloses a kind of maintenance pipes of overhead transmission line, will with canoe by the strip insulation portion 1 of strip
Its inner surface is fitted on its outer surface and is formed, and the both ends of 1 outer surface of strip insulation portion are respectively arranged with along length side
To the reversed muscle 4 and raised line 2 of extension, the reversed muscle 4 and raised line 2 are arranged in parallel, and 1 inner surface of strip insulation portion is opposite
The position of raised line 2 is provided with the groove 3 being adapted to reversed muscle 4,4 bottom of reversed muscle, i.e., reversed muscle 4 and strip insulation portion
The two sides of 1 junction are respectively arranged with card slot 41, and 3 two sides of the bottom of groove are respectively arranged with the fin being adapted to card slot 41
31, when the band-like insulation division 1 of strip is rolled into maintenance pipe, reversed muscle 4 is embedded in groove 3, fin 31 is embedded in card slot 41, the groove 3
Surface is additionally provided with shielded layer, is additionally provided with mucigel between the reversed muscle 4 and groove 3, and inventive tape insulation division volume 1
At maintenance pipe both ends be conductor, being set in when using outside transmission line of electricity can be directly grounded, and be integral ground, be not required to
It to be grounded by the shielded layer of electric wire, damage layer, insecure bring security risk can be grounded in the past to avoid going out.
The present invention will be connected and fixed from spiral at the strip insulation portion of tubular using reversed muscle and groove, be wrapped in 110-
Protection and maintenance are played the role of to 110-220kV overhead transmission line in the outside of 220kV overhead transmission line.
The section of the groove 3 and reversed muscle 4 is mushroom-shaped, and the section of the raised line 2 is sector.
In use, the reversed muscle 4 of the strip of mushroom-shaped is successively connected in strip-shaped groove 3, make strip insulation portion 1 certainly
Spiral card is connected into tubular, and the line footpath of the 110-220kV overhead transmission line safeguarded as needed determines tubular strip insulation
The diameter in portion 1 guarantees that maintenance pipe is wrapped in transmission line of electricity outer layer, plays a good protective effect.
The section of groove 3 and reversed muscle 4 of the present invention can also be fan-shaped or triangle, and the raised line 2 is cut
Face can also be sector.
Further, the strip insulation portion 1 is gradually reduced from 2 side of raised line to reversed 4 side thickness of muscle, in this way can be to avoid
Longer strip insulation portion 1 is rolled into the increasing problem of caliber after maintenance pipe.
Further, the shielded layer is copper foil layer, aluminium foil layer, copper braiding belt or conductive coating, wherein conductive apply
Layer is the metallic fiber of longitude and latitude establishment.
Unit Weight of the present invention is relatively light, section is smaller, influences on conducting wire sag minimum；And using preceding is strip, is convenient for
Circuit homework personnel carry, and reduce transportation cost.And it can be according to the line footpath of 110-220kV overhead transmission line come really
Determine strip insulation portion from spiral at tubular when diameter, guarantee maintenance pipe be wrapped in transmission line of electricity outer layer, will not be because of line footpath
Using effect that is too big or too small and influencing maintenance pipe.It is convenient that diameter of the present invention is adjusted, it is only necessary to carry the present invention
To safeguard the overhead transmission line of different line footpaths, the Portability and operability of circuit homework personnel are facilitated.
Using reversed muscle device by the fixed fastening in strip insulation portion from spiral at tubular, clever structure is easy to the present invention
Operation, security performance is high, while not only reducing the labor intensity of circuit homework personnel, also increases power supply reliability.This
Invention can effectively solve the contradiction between tree and line, road, reduces failure, reduces the cost of power department.The present invention is
Rubber parts is wrapped in the outside of 110-220kV overhead transmission line, mentions the wear-resisting property of 110-220kV overhead transmission line
Height has permanent anti-aging property, strengthens its mechanical performance and insulation performance.
The present invention can determine that the length of maintenance pipe, simple production process are easy to use, quick according to actual needs.
The above-described embodiments merely illustrate the principles and effects of the present invention, and the embodiment that part uses, for
For those skilled in the art, without departing from the concept of the premise of the invention, can also make it is several deformation and
It improves, these are all within the scope of protection of the present invention.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795337.4A CN109119962A (en) | 2018-07-19 | 2018-07-19 | A kind of maintenance pipe of overhead transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810795337.4A CN109119962A (en) | 2018-07-19 | 2018-07-19 | A kind of maintenance pipe of overhead transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109119962A true CN109119962A (en) | 2019-01-01 |
Family
ID=64862995
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810795337.4A Pending CN109119962A (en) | 2018-07-19 | 2018-07-19 | A kind of maintenance pipe of overhead transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109119962A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114172080A (en) * | 2021-12-15 | 2022-03-11 | 国家电网有限公司 | A device and method for repairing power line conductors |
| CN115764718A (en) * | 2022-11-18 | 2023-03-07 | 江苏嘉盟电力设备有限公司 | Apparatus and method for wrapping insulating protective sleeve on electric wire |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223796Y (en) * | 1995-03-27 | 1996-04-03 | 黄文斌 | Chain fastener type roll material for covering pipe line |
| JP2009183052A (en) * | 2008-01-30 | 2009-08-13 | Chugoku Electric Power Co Inc:The | Protection pipe device |
| CN102592758A (en) * | 2012-03-12 | 2012-07-18 | 李彦朋 | Insulating sheath for overhead line |
| CN202454990U (en) * | 2012-02-13 | 2012-09-26 | 杭州全冠金属软管厂 | Metal protection tube coated with flame retardant plastic |
| CN207018697U (en) * | 2017-05-19 | 2018-02-16 | 河南省鑫鹏管业有限公司 | A kind of double button pipes |
-
2018
- 2018-07-19 CN CN201810795337.4A patent/CN109119962A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223796Y (en) * | 1995-03-27 | 1996-04-03 | 黄文斌 | Chain fastener type roll material for covering pipe line |
| JP2009183052A (en) * | 2008-01-30 | 2009-08-13 | Chugoku Electric Power Co Inc:The | Protection pipe device |
| CN202454990U (en) * | 2012-02-13 | 2012-09-26 | 杭州全冠金属软管厂 | Metal protection tube coated with flame retardant plastic |
| CN102592758A (en) * | 2012-03-12 | 2012-07-18 | 李彦朋 | Insulating sheath for overhead line |
| CN207018697U (en) * | 2017-05-19 | 2018-02-16 | 河南省鑫鹏管业有限公司 | A kind of double button pipes |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114172080A (en) * | 2021-12-15 | 2022-03-11 | 国家电网有限公司 | A device and method for repairing power line conductors |
| CN115764718A (en) * | 2022-11-18 | 2023-03-07 | 江苏嘉盟电力设备有限公司 | Apparatus and method for wrapping insulating protective sleeve on electric wire |
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Legal Events
| Date | Code | Title | Description |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191009 Address after: Room 8018, 8 / F, building 7, Guangyi street, Xicheng District, Beijing 100000 Applicant after: State Grid Agel Ecommerce Ltd Applicant after: Wuhan: High Power Technology Co. Ltd. Address before: 430032 No. 114-3 Baofeng Second Road, Qiekou District, Wuhan City, Hubei Province Applicant before: Wuhan: High Power Technology Co. Ltd. |
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| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190101 |