CN1020994C - Overhead reparing method for broken strand of steel-cored aluminium strand wire - Google Patents
Overhead reparing method for broken strand of steel-cored aluminium strand wire Download PDFInfo
- Publication number
- CN1020994C CN1020994C CN 89103085 CN89103085A CN1020994C CN 1020994 C CN1020994 C CN 1020994C CN 89103085 CN89103085 CN 89103085 CN 89103085 A CN89103085 A CN 89103085A CN 1020994 C CN1020994 C CN 1020994C
- Authority
- CN
- China
- Prior art keywords
- strand
- wire
- aluminium
- broken
- overhead
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Electric Cable Installation (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
The present invention belongs to a high altitude restoring method for the broken strands of steel core aluminum strand wires in an electric transmission line. Both ends of a broken strand are respectively processed with a positive male thread and a reverse male thread, a prefabricated connection repair pipe, both ends of an inner hole of which are respectively provided with a positive female thread and a reverse female thread, causes tow broken ends to be connected and screwed, a pair of pressing tongs is used for pressurizing the connection repair pipe, connecting threads are deformed, and thereby, the threads can not be loosened. The present invention has the advantages of simplicity, practicality, reliable quality, and fundamentally unchanged appearance of a conducting wire.
Description
The present invention relates to a kind of overhead reparing method for broken strand of steel-cored aluminium strand wire in the ultra-high-tension power transmission line.
The steel reinforced aluminium conductor of overhead transmission line is setting up with in service, and the disconnected burst phenomenon of aluminium wire appears in regular meeting for various reasons.Disconnected burst of docking technique difficulty is bigger, is reasonably solved as yet at present.The general oxycetylene butt welding method that adopts is welded disconnected strand, but the oxy-acetylene welding technical difficulty of aluminum or aluminum alloy is bigger, and can cause the metallic crystal variation of disconnected burst termination, and aluminium wire is become fragile.In addition, because very difficult, therefore might cause the damage of adjacent lines thigh in the welding, or descend because of welding heat affected its mechanical performance that makes the thermal insulation protection of the adjacent aluminium wire that breaks end.Another kind method is to adopt aluminium to protect lines colligation or the crimping of repairing pipe, but this method must cause bigger projection.
The purpose of this invention is to provide a kind of simple, reliable in quality, the lead outward appearance does not have the overhead reparing method for broken strand of steel-cored aluminium strand wire of big projection.
Restorative procedure of the present invention can be undertaken by following step:
1. a lead jig is respectively adorned near the two ends the twisted wire of resolving strand aluminium wire, use a Tightener (as chain block) that two jigs are drawn in then, cause this section twisted wire to become the arc relaxed state, and make disconnected burst of place be positioned at the mid point inboard of relaxed state twisted wire from tensioning state; As resolute strand twisted wire Duan Shangwei tensioning, though or tensioning, comparatively loose between the wire table layer line thigh, then can remove above-mentioned steps from, promptly needn't adorn the lead card and tighten up.
2. with two terminations of the disconnected strand aluminium wire of file finishing, make the tapered chamfering in termination, go out plus thread with screw die an end machining then, go out left-hand thread in another end machining, and with the clean screw thread of solvent clean.
3. be shaped on identical with disconnected burst of aluminium wire termination screw thread specification one anti-respectively with its very little endoporus two ends of a prefabricated external diameter of solvent clean, the aluminium matter of one positive negative thread is repaiied the screw thread of adapter and is coated with ionization fat, screw with repairing the adapter burst two ends of will breaking then, make disconnected strand to continue into the single line section, and return to the original length.
4. with one special pressing tongs is carried out crimping to the two ends of repairing pressure pipe, make to repair and take over the screw thread distortion, in case thread connection is loosening.Loosen Tightener after the pressurization, make twisted wire return to original state, finish repair.
The present invention will be further described below in conjunction with accompanying drawing.
Fig. 1 repaiies the installation diagram of taking over disconnected burst two ends that connects.
Fig. 2 is the structural representation of pressing tongs.
Referring to Fig. 1.Repairing and taking over 2 is one section aluminum pipe that external diameter is very thin, and its endoporus two ends are processing respectively one just, anti-two sections negative threads.The two ends of disconnected strand of aluminium wire and repairing take over 2 process respectively same size one just, an anti-positive and negative screw thread.Link up with repairing adapter 2 two ends 1 and 3 that will break strand aluminium wire, tighten to repair and take over 2, then the thigh that breaks can be connected and return to the original length.
Referring to Fig. 2.Pressing tongs by upper and lowerly partly clamp 4 and 6, handle 9 and the cover that is contained in handle 9 tail ends clamp device and formed: promptly constitute by bolt 7 and wing nut 8.The upper and lower groove of making one 1/4 circle on 1 and 2 the jaw respectively that partly clamps, two grooves constitute a semicircle orifice 5 when jaw closes up, and the diameter of semicircle orifice 5 is slightly less than to repair takes over 8 external diameter.Pressing tongs clamped to repair take over 2, and be located in the semicircle orifice 5.When hand-tight make-up wing nut 8, then make screw thread distortion and can not thread off.
Advantage of the present invention is that high-altitude reparation broken strand of steel-cored aluminium strand wire is simple to operate, reliable in quality. The joint is level and smooth after repairing.
Thereby provide a kind of reparation method of high speed for high-altitude transmission line of electricity field repair. Through many experiments and ± the actual line of repairing that the Hankow shelves are striden in husky ocean, 500KV Ge Zhou Ba-Shanghai extra high voltage network proves, this method can guarantee the specification requirement of repairing fully.
Claims (2)
1, a kind of overhead reparing method for broken strand of steel-cored aluminium strand wire, at first near the twisted wire of resolving strand aluminium wire, become relaxed state and make disconnected thigh be positioned at the mid point inboard of arc relaxed state twisted wire from tensioning state, it is characterized in that repairing by following step with will break one section twisted wire of burst both sides of two lead cards and Tightener:
A. make the taper chamfering respectively and go out plus thread an end machining in two terminations of disconnected strand aluminium wire, go out left-hand thread in another end machining with screw die;
B. being shaped on an aluminium matter anti-, a positive negative thread identical with disconnected burst of aluminium wire termination screw thread specification respectively with endoporus two ends repaiies the adapter strand aluminium wire that will break and couples together;
C. with one special pressing tongs is carried out crimping to the two ends of repairing adapter.
2, overhead reparing method for broken strand of steel-cored aluminium strand wire according to claim 1, it is characterized in that described pressing tongs by upper and lowerly partly clamp 4 and 6, handle 9, bolt 7, wing nut 8 formed, and at the upper and lower groove of making one 1/4 circle on 4 and 6 the jaw respectively that partly clamps, two grooves constitute a semicircle orifice 5 when jaw closes up, and the diameter of semicircle orifice 5 is slightly less than the external diameter of repairing adapter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89103085 CN1020994C (en) | 1989-05-06 | 1989-05-06 | Overhead reparing method for broken strand of steel-cored aluminium strand wire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 89103085 CN1020994C (en) | 1989-05-06 | 1989-05-06 | Overhead reparing method for broken strand of steel-cored aluminium strand wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1041669A CN1041669A (en) | 1990-04-25 |
| CN1020994C true CN1020994C (en) | 1993-05-26 |
Family
ID=4854973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 89103085 Expired - Fee Related CN1020994C (en) | 1989-05-06 | 1989-05-06 | Overhead reparing method for broken strand of steel-cored aluminium strand wire |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1020994C (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102496885B (en) * | 2011-11-24 | 2014-05-28 | 黑龙江省电力有限公司检修公司 | Method for repairing repair sleeve of overhead line conductor |
| CN102545132B (en) * | 2011-12-01 | 2014-06-18 | 衢州电力局 | Compression joint clamp of steel-cored aluminum strand |
| CN102403643B (en) * | 2011-12-12 | 2013-07-10 | 辽宁省电力有限公司鞍山供电公司 | Steel-cored aluminum strand crimping assistant fixture |
| CN104143787A (en) * | 2014-07-22 | 2014-11-12 | 国家电网公司 | Reconnection device for fractures of remote power transmission line and mounting method thereof |
| CN104868404A (en) * | 2015-05-18 | 2015-08-26 | 国家电网公司 | Insulated wire connection method |
| CN109616849B (en) * | 2019-01-09 | 2019-12-13 | 贵州电网有限责任公司 | Method for butt joint and aluminum embedding of 19 stranded steel strands of overhead conductor |
| CN113937654A (en) * | 2021-09-29 | 2022-01-14 | 国网福建省电力有限公司 | Full-tension preformed armor rod aluminum conductor repair strip mounting tool set and working method thereof |
-
1989
- 1989-05-06 CN CN 89103085 patent/CN1020994C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN1041669A (en) | 1990-04-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1020994C (en) | Overhead reparing method for broken strand of steel-cored aluminium strand wire | |
| CN202840387U (en) | Caron fiber composite core wire for connection | |
| CN200972900Y (en) | Through ground wire joint for railway grounding | |
| CN2271051Y (en) | Hand crimping tool for cable | |
| CN212257728U (en) | Copper nose separated time fastener structure | |
| CN216084350U (en) | Cable copper-aluminum composite conductor insulation core | |
| CN213845557U (en) | Insulated wire connecting device | |
| CN212012089U (en) | Anti-electricity-theft cable terminal connecting device | |
| CN109004576B (en) | High-altitude temporary anchor crimping construction method suitable for gap type heat-resistant capacity-increasing lead | |
| CN2174788Y (en) | Electric connector with screw | |
| CN220253626U (en) | High-stability line-to-line photovoltaic connector | |
| CN2236175Y (en) | Depressor-locking type lead wire connector | |
| CN2239086Y (en) | Quick conducting wire connector for power transmission line | |
| CN106786281B (en) | Strain insulator pressure connecting pipe for lead wire means of defence | |
| CN201167145Y (en) | Quick joint for video line | |
| CN205355305U (en) | A crimping pipe for cable coordination | |
| CN214153731U (en) | Grounding device of transformer substation | |
| CN2174786Y (en) | Novel conducting rod | |
| CN208723215U (en) | Electric wire rapid abutting joint tooling | |
| CN2487124Y (en) | Telecommunication line joint | |
| CN104300324A (en) | Combination connecting piece used for large current electrical device or wire connection | |
| CN2276215Y (en) | Screwed sleeve conductor connecting pipe | |
| CN214818161U (en) | Screwdriver for electric secondary maintenance | |
| CN216489667U (en) | High-voltage electric power fitting for electric power circuit | |
| CN218415139U (en) | Low-voltage cable water joint |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |