CN205863860U - Anti-icing of Transmission Lines freezes strain clamp - Google Patents

Anti-icing of Transmission Lines freezes strain clamp Download PDF

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Publication number
CN205863860U
CN205863860U CN201620859630.9U CN201620859630U CN205863860U CN 205863860 U CN205863860 U CN 205863860U CN 201620859630 U CN201620859630 U CN 201620859630U CN 205863860 U CN205863860 U CN 205863860U
Authority
CN
China
Prior art keywords
aluminum pipe
steel anchor
strain clamp
cavity
described aluminum
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.)
Withdrawn - After Issue
Application number
CN201620859630.9U
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Chinese (zh)
Inventor
陈原
卢毅
杨静
张旭
王馨
范硕超
蔡巍
刘亚新
朱晓岭
龚延兴
王辉
王书渊
苏斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Corp of China SGCC
North China Electric Power Research Institute Co Ltd
Electric Power Research Institute of State Grid Jibei Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
North China Electric Power Research Institute Co Ltd
Electric Power Research Institute of State Grid Jibei Electric Power Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, North China Electric Power Research Institute Co Ltd, Electric Power Research Institute of State Grid Jibei Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201620859630.9U priority Critical patent/CN205863860U/en
Application granted granted Critical
Publication of CN205863860U publication Critical patent/CN205863860U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

This utility model provides a kind of Anti-icing of Transmission Lines and freezes strain clamp.Described Anti-icing of Transmission Lines freezes strain clamp and includes: aluminum pipe, and described aluminum pipe has cavity;Wire, extend into the cavity of described aluminum pipe from the first end of described aluminum pipe;Steel anchor, extend into the cavity of described aluminum pipe from the second end of described aluminum pipe;Described wire realizes being connected with described steel anchor in described aluminum pipe;Hole for injecting glue, is opened on aluminum pipe and connects the cavity of described aluminum pipe;Vulcanite, enters the cavity of described aluminum pipe from described hole for injecting glue.This utility model can solve the problem that existing strain clamp, in the case of frost, is susceptible to deformation or the problem of fracture.

Description

Anti-icing of Transmission Lines freezes strain clamp
Technical field
This utility model relates to power domain, is specifically related to a kind of Anti-icing of Transmission Lines and freezes strain clamp.
Background technology
Strain clamp is as fixing the gold utensil of wire in overhead transmission line in power system, respectively with wire and insulator String is connected, and insulator chain is connected with steel tower again, the effect play and undertake wire tension, reducing wire degree of speeding, and is to ensure electric power The important component part of system safety operation.Under normal circumstances, strain clamp port is level or the ramp-like operation that dips down, but In the overhead transmission line of some extreme terrains, adjacent two base shaft towers there is bigger difference in height and span is less so that highly The strain clamp of relatively low side shaft tower is presented and is pulled out form operation;Additionally, for normal condition port be within level or 10 ° downwards The strain clamp tilted, wire tension varies with temperature with sag in cold weather, also can make strain clamp to a certain extent Present and pull out form.Once meet with sleety weather, rainwater or snow water will carry over wire pour in down a chimney inflow strain clamp in.Strain clamp exists Typically use welding procedure during production, do not reserve leaking hole, and steel anchor crimps well with aluminum pipe afterbody when assembling crimping so that Rainwater or snow water are retained and cannot be escaped to aluminum pipe crimpless district, when running into freezing weather especially, after the water in aluminum pipe freezes The squeezing action produced will have a strong impact on the service life of strain clamp, the safe and stable operation of harm transmission line of electricity.The lowest Under the conditions of temperature, wire tension increases, the conjunction that the extruding force now produced at wire tension and internal water icing volumetric expansion produces Under power effect, strain clamp aluminum pipe is susceptible to deformation, even ruptures time serious.
In prior art, " the resistance to bracing cable of carbon fiber photoelectric composite lead wire Anti-freezing of Patent No. 201320159474.1 Folder ", this patent is directed under normal operation, and water enters the situation within aluminum pipe at strain clamp afterbody steel anchor, and Cannot avoid on wire clamp, pulling out rear water and carry over the situation of wire inflow wire clamp.
In sum, prior art there is problems in that, existing strain clamp, in the case of frost, is susceptible to Deformation or fracture.
Utility model content
This utility model provides a kind of Anti-icing of Transmission Lines to freeze strain clamp, to solve existing strain clamp in frost In the case of, it is susceptible to deformation or the problem of fracture.
To this end, the utility model proposes a kind of Anti-icing of Transmission Lines to freeze strain clamp, described Anti-icing of Transmission Lines freezes strain insulator Wire clamp includes:
Aluminum pipe, described aluminum pipe has cavity, and described cavity has two ports, the respectively first end and the second end;
Wire, extend into the cavity of described aluminum pipe from the first end of described aluminum pipe, between described wire and described aluminum pipe Carry out crimping and formed conductor compression jointing district;
Steel anchor, extend into the cavity of described aluminum pipe from the second end of described aluminum pipe, between described steel anchor and described aluminum pipe Carry out crimping and formed steel anchor crimping district;
Described wire realizes being connected with described steel anchor in described aluminum pipe;
Hole for injecting glue, is opened on aluminum pipe and connects the cavity of described aluminum pipe;
Vulcanite, enters the cavity of described aluminum pipe from described hole for injecting glue, and injects in the cavity of described aluminum pipe, except leading 2/3 of remaining space outside wire crimp district and steel anchor crimping district.
Further, described vulcanite fills the cavity of described aluminum pipe.
Further, described hole for injecting glue is screw, and described hole for injecting glue is provided with the screw of sealing.
Further, during described hole for injecting glue is positioned at steel anchor crimping district.
Further, one end of described steel anchor has the annulus outside the second end being positioned at described aluminum pipe, described steel anchor The other end is positioned in described steel anchor crimping district, and the bottom of described steel anchor annulus is less than institute with the spacing of the second end of described aluminum pipe State the spacing at the top of steel anchor annulus and the second end of described aluminum pipe, the bottom of described steel anchor annulus and the second of described aluminum pipe The spacing of end is 4.2cm.
Further, the number of described hole for injecting glue is multiple, and multiple described hole for injecting glue are arranged in a row.
Further, described aluminum pipe is square tube.
By the way of punching at strain clamp aluminum pipe and inject silicone rubber, it is achieved to rainwater, the obstruct of snow water, it is to avoid stream Enter inside strain clamp aluminum pipe.In strain clamp aluminum pipe after filled silicon rubber, though still occur inside aluminum pipe part hydrops and At freezing weather generation icing phenomenon, owing to most of space in strain clamp aluminum pipe crimpless region is tied up, it is possible to significantly The pressure that aluminum pipe is squeezed that weakening freezes produces, thus realize the protection to strain clamp.
Accompanying drawing explanation
Fig. 1 is the internal structure schematic diagram that the Anti-icing of Transmission Lines of this utility model embodiment freezes strain clamp.
Drawing reference numeral illustrates:
1 steel anchor 51 steel anchor crimping district of aluminum pipe 10 hole for injecting glue 3 wire 31 conductor compression jointing district 5
Detailed description of the invention
In order to technical characteristic of the present utility model, purpose and effect are more clearly understood from, now comparison accompanying drawing explanation This utility model.
Include as it is shown in figure 1, the Anti-icing of Transmission Lines of this utility model embodiment freezes strain clamp:
Aluminum pipe 1, described aluminum pipe has cavity, and described cavity has two ports, the respectively first end (lower end in Fig. 1) With the second end (upper end in Fig. 1);
Wire 3, extend into the cavity of described aluminum pipe from the first end of described aluminum pipe, described wire 3 and described aluminum pipe 1 it Between carry out crimping (be compacted or compress) and forming conductor compression jointing district 31;
Steel anchor 5, extend into the cavity of described aluminum pipe from the second end of described aluminum pipe 1, described steel anchor 5 and described aluminum pipe 1 Between carry out crimping (be compacted or compress) and form steel anchor crimping district 51;
Described wire steel core realizes being connected with described steel anchor in described aluminum pipe;Wire being penetrated aluminum pipe, leading until exposing End, carries out aluminum stock and divests, expose wire steel core, is penetrated by wire steel core in steel anchor, carries out the pressure of wire steel core and steel anchor Connect;
Hole for injecting glue 10, is opened on aluminum pipe 1 and connects the cavity of described aluminum pipe;
Vulcanite, enters the cavity of described aluminum pipe from described hole for injecting glue 10, and injects in the cavity of described aluminum pipe, remove (in other words, vulcanite injection aluminum pipe is non-for 2/3 of remaining space outside conductor compression jointing district and steel anchor crimping district 2nd/3 of the hollow part in crimping district).In strain clamp aluminum pipe after filling and vulcanization rubber, even if inside aluminum pipe still Part hydrops occurs and at freezing weather generation icing phenomenon, due to the most of space by strain clamp aluminum pipe crimpless region Tie up, it is possible to the pressure that aluminum pipe is squeezed that significantly weakening freezes produces, thus realize the protection to strain clamp.
Further, described vulcanite fills the cavity of described aluminum pipe, i.e. vulcanite and fills aluminum pipe crimpless district Hollow part.In such manner, it is possible to more effectively weaken the pressure that aluminum pipe is squeezed produced that freezes, it is achieved to rainwater, the obstruct of snow water, Avoid flowing into inside strain clamp aluminum pipe.
Further, described hole for injecting glue 10 is screw, and described hole for injecting glue 10 is provided with the screw of sealing, it is simple to follow-up envelope Stifled.
Further, described hole for injecting glue 10 is positioned in steel anchor crimping district 51, and this region is between steel anchor 5 and described aluminum pipe 1 Crimping district, the space around this region is more, be suitable for perforate injecting glue.
Further, one end (upper end in Fig. 1) of described steel anchor 5 has outside the second end being positioned at described aluminum pipe 1 Annulus, the other end (lower end in Fig. 1) of described steel anchor is positioned in described steel anchor crimping district, the bottom of described steel anchor annulus and institute The spacing of the second end stating aluminum pipe is less than the spacing at the top of described steel anchor annulus and the second end of described aluminum pipe, i.e. Fig. 1 In, the bottom of steel anchor annulus is positioned at the lower section at the top of steel anchor annulus, the bottom of described steel anchor annulus and the second of described aluminum pipe The spacing of end is 4.2cm, in order to reserves suitable space and connects the bottom of steel anchor annulus and described aluminum pipe.
Further, described aluminum pipe is square tube, in order to non-slip.
This utility model also proposes a kind of Anti-icing of Transmission Lines that makes and freezes the manufacture method of strain clamp, described manufacture method Comprise the following steps:
Step A: wire 3 is penetrated aluminum pipe 1, until exposing conducting wire end, carrying out aluminum stock and divesting, exposing wire steel core;
Step B: penetrated by wire steel core in steel anchor 5, carries out crimping of wire steel core and steel anchor;
Step C: the wire of first end (lower end) of described aluminum pipe is entered 1 row with aluminum pipe and crimps;
Step D: lifted by second end (upper end of Fig. 1) of described aluminum pipe, makes first end (lower end of Fig. 1) of aluminum pipe be positioned at The upper end of second end Fig. 1 of described aluminum pipe) lower section;
Step E: make hole for injecting glue 10 on aluminum pipe 1;
Step F: injected liquid curing rubber to strain clamp is internal by the hole for injecting glue 10 of aluminum pipe, until vulcanite from Till on second end of described aluminum pipe, aluminum pipe overflows with steel anchor intersection;
Step G: block hole for injecting glue 10;
Step H: the second end of described aluminum pipe is anchored into row with steel and crimps.
Further, described step E occurred before step A, in order to avoid affecting the crimping of wire.
Further, described liquid curing rubber is silicone rubber.Liquid silastic has good fluidity, vulcanizes fast spy Point, can become soft elasticity, nontoxic, tasteless elastomer with moulding by casting or injection moulding after sulfuration, can be by strain clamp aluminum pipe The hollow part in crimpless district ties up, and prevents the seeping phenomenon in aluminum pipe.
Further, described manufacture method particularly as follows:
The position that dimension mark wire according to steel anchor and aluminum pipe divests;
Wire is penetrated aluminum pipe, until exposing conducting wire end, carrying out aluminum stock and divesting, exposing wire steel core;
Wire steel core is penetrated in steel anchor, carry out crimping of wire steel core and steel anchor;
Adjusting wire and steel anchor position in aluminum pipe, making steel anchor annulus (side) bottom is 4.2cm with the spacing of aluminum pipe;
The wire of strain clamp the first end is crimped with aluminum pipe;
Being lifted by the second end by strain clamp, down, make described aluminum pipe and horizontal line is that 35 ° of angles are to 45° angle, example to the first end As for 40 ° of angles, in order to ensure that the flowing velocity of liquid curing rubber is suitable, this angle makes the flowing speed of liquid curing rubber Degree will not be too slow, will not the just solidification when the most fully flowing;Also will not be too fast, affect the substantial degree of injecting glue;
By the hole for injecting glue of aluminum pipe to aluminum pipe internal injection silicone rubber, until the aluminum pipe that silicone rubber is at the second end and steel anchor Till intersection overflows, to ensure filling of liquid curing rubber;
It is screwed in screw after screw is picked a small amount of silicone rubber, within screw is screwed into rear insert depth 1mm;
The aluminum pipe of the second end anchors into row with steel crimp.
Wherein, in addition to injecting glue process, aluminum pipe and the process that crimps of wire and steel anchor and the conventional complete phase of crimping process With, should carry out with technique directive/guide in strict accordance with Specification.Above-mentioned in steps after, strain clamp should meet routine The technological requirement of crimping and acceptance specification.Wherein should ensure that at screw that screw is completely embedded into, should avoid during crimping pressing on screw The one of place is embossed in screw and aluminum pipe intersection, seamless between screw and aluminum pipe after crimping.After close inspection is errorless, can be by strain insulator Wire clamp hanging wire is installed.
For avoiding the occurrence of the potential safety hazard that the internal hydrops of strain clamp causes, this utility model is in wire and strain clamp pressure After connecing operation, open screw by the crimping district at strain clamp aluminum pipe, in screw, inject liquid silastic be filled with, Until the hollow part in crimpless district being filled full.Liquid silastic has good fluidity, vulcanizes fast feature, can pour into Type or injection moulding, become soft elasticity, nontoxic, tasteless elastomer after sulfuration, can be by the sky in strain clamp aluminum pipe crimpless district Heart position ties up, and prevents the seeping phenomenon in aluminum pipe.After filling, screw is screwed into screw and seals.
The foregoing is only the schematic detailed description of the invention of this utility model, be not limited to model of the present utility model Enclose.Can be mutually combined under conditions of not conflicting for each ingredient of the present utility model, any those skilled in the art, Equivalent variations done on the premise of without departing from design of the present utility model and principle and amendment, all should belong to this practicality new The scope of type protection.

Claims (6)

1. an Anti-icing of Transmission Lines freezes strain clamp, it is characterised in that described Anti-icing of Transmission Lines freezes strain clamp and includes:
Aluminum pipe, described aluminum pipe has cavity, and described cavity has two ports, the respectively first end and the second end;
Wire, extend into the cavity of described aluminum pipe from the first end of described aluminum pipe, carries out between described wire and described aluminum pipe Crimp and formed conductor compression jointing district;
Steel anchor, extend into the cavity of described aluminum pipe from the second end of described aluminum pipe, carries out between described steel anchor and described aluminum pipe Crimp and formed steel anchor crimping district;
Described wire realizes being connected with described steel anchor in described aluminum pipe;
Hole for injecting glue, is opened on aluminum pipe and connects the cavity of described aluminum pipe;
Vulcanite, enters the cavity of described aluminum pipe from described hole for injecting glue, and injects in the cavity of described aluminum pipe, except wire pressure Connect district and steel anchor crimping district outside remaining space 2/3.
2. Anti-icing of Transmission Lines as claimed in claim 1 freezes strain clamp, it is characterised in that described vulcanite fills described The cavity of aluminum pipe.
3. Anti-icing of Transmission Lines as claimed in claim 1 freezes strain clamp, it is characterised in that described hole for injecting glue is screw, institute State hole for injecting glue and be provided with the screw of sealing.
4. Anti-icing of Transmission Lines as claimed in claim 1 freezes strain clamp, it is characterised in that described hole for injecting glue is positioned at steel anchor pressure Connect in district.
5. Anti-icing of Transmission Lines as claimed in claim 1 freezes strain clamp, it is characterised in that one end of described steel anchor has position Annulus outside the second end of described aluminum pipe, the other end of described steel anchor is positioned in described steel anchor crimping district, described steel anchor circle The spacing of the second end of the bottom of ring and described aluminum pipe less than top and the described aluminum pipe of described steel anchor annulus the second end it Spacing, the bottom of described steel anchor annulus is 4.2cm with the spacing of the second end of described aluminum pipe.
6. Anti-icing of Transmission Lines as claimed in claim 1 freezes strain clamp, it is characterised in that described aluminum pipe is square tube.
CN201620859630.9U 2016-08-10 2016-08-10 Anti-icing of Transmission Lines freezes strain clamp Withdrawn - After Issue CN205863860U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620859630.9U CN205863860U (en) 2016-08-10 2016-08-10 Anti-icing of Transmission Lines freezes strain clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620859630.9U CN205863860U (en) 2016-08-10 2016-08-10 Anti-icing of Transmission Lines freezes strain clamp

Publications (1)

Publication Number Publication Date
CN205863860U true CN205863860U (en) 2017-01-04

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Family Applications (1)

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CN201620859630.9U Withdrawn - After Issue CN205863860U (en) 2016-08-10 2016-08-10 Anti-icing of Transmission Lines freezes strain clamp

Country Status (1)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106207922A (en) * 2016-08-10 2016-12-07 华北电力科学研究院有限责任公司 Anti-icing of Transmission Lines freezes strain clamp and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106207922A (en) * 2016-08-10 2016-12-07 华北电力科学研究院有限责任公司 Anti-icing of Transmission Lines freezes strain clamp and preparation method thereof

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GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20170104

Effective date of abandoning: 20180907

AV01 Patent right actively abandoned