CN110071455A - Conductor lifter for replacing whole string in high-voltage transmission line and application method thereof - Google Patents

Conductor lifter for replacing whole string in high-voltage transmission line and application method thereof Download PDF

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Publication number
CN110071455A
CN110071455A CN201910219350.XA CN201910219350A CN110071455A CN 110071455 A CN110071455 A CN 110071455A CN 201910219350 A CN201910219350 A CN 201910219350A CN 110071455 A CN110071455 A CN 110071455A
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China
Prior art keywords
chain
wire
hooks
shaped
connector
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Granted
Application number
CN201910219350.XA
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Chinese (zh)
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CN110071455B (en
Inventor
谭永殿
刘波
覃甘简
黄安重
覃钊
吴常明
蓝勇
李宇航
陆张励
方照
谭振辉
李兴书
李少华
潘东
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.)
Baise Bureau of Extra High Voltage Transmission Co
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Baise Bureau of Extra High Voltage Transmission Co
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Priority to CN201910219350.XA priority Critical patent/CN110071455B/en
Publication of CN110071455A publication Critical patent/CN110071455A/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

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  • Electric Cable Installation (AREA)

Abstract

The invention discloses a lead lifter for replacing a whole string in a high-voltage transmission line and an application method thereof, wherein the lead lifter comprises two upper lead hooks and two lower lead hooks which are independent from each other and have the same structure, the two lower lead hooks are respectively connected with a U-shaped connector, a U-shaped groove for an upper lead to pass through is formed in the U-shaped connector, the two upper lead hooks are respectively hooked on two upper leads of an insulator string, the two upper lead hooks are respectively connected with a chain block, the two lower lead hooks are respectively hooked on two lower leads of the insulator string, the two upper leads respectively pass through the U-shaped grooves of the U-shaped connectors at the same side, the two U-shaped connectors are respectively connected with a chain block, and the four chain blocks are respectively connected to an insulator string tower frame. The tool is suitable for wires with different diameters, has strong universality and high reliability, and can meet the requirements of replacing large-section wires, large-distance and large-height-difference suspension whole strings of insulators of all overhead transmission lines.

Description

The wire lifting device and its application method of whole string are replaced in a kind of ultra-high-tension power transmission line
Technical field
The present invention relates to a kind of insulator in high-voltage transmission line hardware fitting replacement tool, specifically a kind of replacing insulator is used Wire lifting device.
Background technique
When transmission line of electricity carries out power failure replacement whole string operation, thread hook is essential tool.Domestic replacement is whole at present String is hooked using integral type conducting wire and the combination of chain block, is only capable of using each conducting wire hook of this method using a chain calabash The vertical load of reed lifting lead wire, when replacing the big pendency bunch of insulator of the stress such as large pitch, traditional service kit and Operational method has been unable to satisfy the requirement of power transmission lines overhauling and emergency first-aid repair.A kind of super (spy) high voltage power transmission is urgently studied at present The whole string of the big load insulator chain of route replaces tool, meets the needs of safety in production.
Patent of invention content
The purpose of the present invention is to provide wire lifting device and its application sides that whole string is replaced in a kind of ultra-high-tension power transmission line Method, the whole string suitable for big load insulator chain are replaced.
To achieve the goals above, the invention provides the following technical scheme:
Replace the wire lifting device of whole string in a kind of ultra-high-tension power transmission line, including mutually indepedent and structure it is two identical on Thread hook, two lower wire hooks, two lower wire hooks are connected separately with U-shaped connector, are arranged on the U-shaped connector There is the U-type groove passed through for upper conducting wire, described two upper thread hooks catch on two upper conducting wires of insulator chain respectively, meanwhile, institute It states two upper thread hooks and is separately connected a cucurbit chain, described two lower wire hooks catch on lead under two of insulator chain respectively Line, meanwhile, described two upper conducting wires respectively pass through the U-type groove of the ipsilateral U-shaped connector, two U-shaped connections Device is separately connected a chain block, and four chain blocks are reconnected respectively on insulator chain pylon.
The U-shaped connector includes the interconnecting piece for connecting with the chain block for being arranged on end, and is opened up There is the strip connector body of inverted U slot, the interconnecting piece and the connector body are integrally formed, the connector sheet Body lower end is offered for the screw hole with the lower wire hook connects.
The upper end of the lower wire hook is provided with protrusion, and the thickness of the protrusion is suitable with the width of the U-type groove, The protrusion can protrude into the U-type groove from the bottom of the connector body, offer on the protrusion and the company The identical screw hole of bolt hole of device ontology lower end is connect, the lower wire hook carries out with the U type connector by bolt removable Ground connection.
The application method of the wire lifting device of whole string is replaced in a kind of ultra-high-tension power transmission line, comprising the following steps:
Step 1: two U-shaped connectors are hung on respectively on the upper conducting wire of insulator chain two sides, make conducting wire in institute It states in U-type groove;
Two lower wire hooks: being caught on the lower wire of insulator chain two sides by step 2 respectively, and respectively with corresponding U The connection of type connector bolt;
Step 3: U-shaped connector described in two is passed through into chain block respectively and is connected on insulator chain pylon;
Upper thread hook described in two: being caught on the upper conducting wire of insulator chain two sides by step 4 respectively, and by itself and chain Cucurbit connection, then chain block is hung on insulator chain pylon;
Step 5: while four chain blocks are tightened, upper conducting wire and lower wire are promoted, make to connect with upper conducting wire and lower wire The insulator chain relaxation connect, to replace insulator.
The invention has the benefit that
The wire lifting device that whole string is replaced in ultra-high-tension power transmission line of the present invention has the performance that partition is applied in combination, can be simultaneously Mating 4 chain blocks carry out operation, and more traditional replacement tool and method, operating efficiency and safety coefficient improve one times. And the tool is suitable for the conducting wire of different-diameter, and versatile, high reliablity is able to satisfy the big section of all overhead transmission lines The replacement of conducting wire, big gear away from, big height difference pendency bunch of insulator.The use of U-shaped connector guarantee conducting wire loading process always Balance is kept, can not only prevent conducting wire in conducting wire loading process from deforming, while also adding the safety coefficient of operation.
Detailed description of the invention
Fig. 1 is to replace the side view of the wire lifting device of whole string in a state of use in ultra-high-tension power transmission line of the present invention.
Fig. 2 is upper thread hook structural schematic diagram.
Fig. 3 is lower wire hook and U-shaped connector combination schematic diagram.
Appended drawing reference:
The upper thread hook of 10-;20- lower wire hook;21- protrusion;30-U type connector;31- interconnecting piece;32- connector sheet Body;40- chain block;50- insulator chain;60- insulator chain connection gold utensil;The upper conducting wire of 70-;80- lower wire;90- insulator String pylon.
Specific embodiment
The contents of the present invention are described in further details with reference to the accompanying drawings and detailed description.
In conjunction with shown in Fig. 1-Fig. 3, the wire lifting device of whole string is replaced in a kind of ultra-high-tension power transmission line, including mutually independent Four thread hooks and two U-shaped connectors, two of them thread hook are upper thread hook 10, and two are lower wire hook 20, lower wire Hook 20 is connect with U-shaped connector 30.
U-shaped connector 30 includes the interconnecting piece 31 for connecting with chain block 40 for being arranged on end, and is offered The strip connector body 32 of inverted U slot, interconnecting piece 31 and connector body 32 are integrally formed, and 32 lower end of connector body is opened Equipped with the screw hole for being connect with lower wire hook 20.
The upper end of lower wire hook 20 is provided with protrusion 21, and the thickness of protrusion 21 and the width of U-type groove are suitable, protrusion 21 can protrude into U-type groove from the bottom of connector body 32, and the bolt with 32 lower end of connector body is offered on protrusion 21 Screw rod after the screw hole of protrusion 21 is overlapped with the screw hole of 32 lower end of connector body, is passed through the spiral shell of the two by the identical screw hole in hole Hole, blending bolt are connected fastening, are formed lower wire hook 20 with U-shaped connector 30 and are detachably connect.
Two upper thread hooks 10 are connected separately with chain block 40, and two chain blocks 40 are connect with insulator chain pylon 90
Two lower wire hooks 20 are connected separately with U-shaped connector 30, and two U-shaped connectors 30 are connected separately with chain calabash again Reed 40, this two chain blocks 40 are connect with insulator chain pylon 90 again.Meanwhile upper conducting wire 70 is through the U-shaped of U-shaped connector 30 In slot, since U-type groove is strip slot, upper conducting wire 70 can move up and down in slot.
When tightening chain block 40, lifting wire, so that between insulator chain 50 and its connection gold utensil 60 and conducting wire Tightening force disappears, so as to be convenient for changing insulator chain 50 and its connection gold utensil 60.
The use of U-shaped connector 30 is can not only to prevent conducting wire to guarantee that conducting wire remains balance in loading process Conducting wire deforms in loading process, while also adding the safety coefficient of operation.
Line lifter of the present invention can use 4 chain blocks, the conducting wire of promotion by 4 thread hooks of setting simultaneously Vertical load is previous 4 times.
The application method of line lifter of the present invention is as follows:
Step 1: two U-shaped connectors are hung on respectively on the upper conducting wire of insulator chain two sides, conducting wire is through In the U-type groove;
Two lower wire hooks: being caught on the lower wire of insulator chain two sides by step 2 respectively, and respectively with corresponding U The connection of type connector bolt;
Step 3: U-shaped connector described in two is passed through into chain block respectively and is connected on insulator chain pylon;
Upper thread hook described in two: being caught on the upper conducting wire of insulator chain two sides by step 4 respectively, and by itself and chain Cucurbit connection, then chain block is hung on insulator chain pylon;
Step 5: while four chain blocks are tightened, upper conducting wire and lower wire are promoted, make to connect with upper conducting wire and lower wire The insulator chain relaxation connect, to replace insulator.
Above-listed detailed description is illustrating for possible embodiments of the present invention, and the embodiment is not to limit this hair Bright the scope of the patents, all equivalence enforcements or change without departing from carried out by the present invention, is intended to be limited solely by the scope of the patents of this case.

Claims (4)

1. replacing the wire lifting device of whole string in a kind of ultra-high-tension power transmission line, it is characterised in that: including mutually indepedent and structure phase Same two upper thread hooks, two lower wire hooks, two lower wire hooks are connected separately with U-shaped connector, the U-shaped company Connect the U-type groove for being provided on device and passing through for upper conducting wire, described two upper thread hooks catch on lead on two of insulator chain respectively Line, meanwhile, described two upper thread hooks are separately connected a cucurbit chain, and described two lower wire hooks catch on insulator chain respectively Two lower wires, meanwhile, described two upper conducting wires respectively pass through the U-type groove of the ipsilateral U-shaped connector, described two A U-shaped connector is separately connected a chain block, and four chain blocks are reconnected respectively on insulator chain pylon.
2. replacing the wire lifting device of whole string in ultra-high-tension power transmission line according to claim 1, it is characterised in that: the U Type connector includes the interconnecting piece for connecting with the chain block for being arranged on end, and offers the length of inverted U slot Bar connector ontology, the interconnecting piece and the connector body are integrally formed, and the connector body lower end offers For the screw hole with the lower wire hook connects.
3. replacing the wire lifting device of whole string in ultra-high-tension power transmission line according to claim 2, it is characterised in that: under described The upper end of thread hook is provided with protrusion, and the thickness of the protrusion is suitable with the width of the U-type groove, and the protrusion can be from The bottom of the connector body is protruded into the U-type groove, is offered on the protrusion and the connector body lower end The identical screw hole of bolt hole, the lower wire hook are detachably connect with the U-shaped connector by bolt.
4. replacing the application method of the wire lifting device of whole string, feature in ultra-high-tension power transmission line according to claim 1 It is: the following steps are included:
Step 1: two U-shaped connectors are hung on respectively on the upper conducting wire of insulator chain two sides, make conducting wire in the U In type groove;
Two lower wire hooks: being caught on the lower wire of insulator chain two sides by step 2 respectively, and respectively with corresponding U-shaped company Device is connect to be bolted;
Step 3: U-shaped connector described in two is passed through into chain block respectively and is connected on insulator chain pylon;
Upper thread hook described in two: being caught on the upper conducting wire of insulator chain two sides by step 4 respectively, and by itself and chain block Connection, then chain block is hung on insulator chain pylon;
Step 5: while tightening four chain blocks, and upper conducting wire and lower wire are promoted, and makes to connect with upper conducting wire and lower wire Insulator chain relaxation, to replace insulator.
CN201910219350.XA 2019-03-21 2019-03-21 Wire lifter for replacing whole string in high-voltage transmission line and application method thereof Active CN110071455B (en)

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Application Number Priority Date Filing Date Title
CN201910219350.XA CN110071455B (en) 2019-03-21 2019-03-21 Wire lifter for replacing whole string in high-voltage transmission line and application method thereof

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CN110071455B CN110071455B (en) 2024-09-24

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111181065A (en) * 2020-01-13 2020-05-19 贵州大学 Outdoor maintenance device for power equipment

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201234091Y (en) * 2008-07-12 2009-05-06 宁夏电力公司吴忠供电局 Vertical double split conductive wire hanging hook
CN203056506U (en) * 2013-01-31 2013-07-10 重庆自勇科技有限公司 Wire lifting device
CN203553747U (en) * 2013-10-23 2014-04-16 国家电网公司 A line-lifting hook
CN206349693U (en) * 2016-12-13 2017-07-21 中国南方电网有限责任公司超高压输电公司百色局 Four-bundle conductor splitting type wire lifting device and application structure thereof
CN207200123U (en) * 2017-07-21 2018-04-06 泰州市昊鑫电力机具有限公司 A kind of four line march-past wire lifting devices
CN209881229U (en) * 2019-03-21 2019-12-31 中国南方电网有限责任公司超高压输电公司百色局 Wire lifter for replacing whole string in high-voltage transmission line

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201234091Y (en) * 2008-07-12 2009-05-06 宁夏电力公司吴忠供电局 Vertical double split conductive wire hanging hook
CN203056506U (en) * 2013-01-31 2013-07-10 重庆自勇科技有限公司 Wire lifting device
CN203553747U (en) * 2013-10-23 2014-04-16 国家电网公司 A line-lifting hook
CN206349693U (en) * 2016-12-13 2017-07-21 中国南方电网有限责任公司超高压输电公司百色局 Four-bundle conductor splitting type wire lifting device and application structure thereof
CN207200123U (en) * 2017-07-21 2018-04-06 泰州市昊鑫电力机具有限公司 A kind of four line march-past wire lifting devices
CN209881229U (en) * 2019-03-21 2019-12-31 中国南方电网有限责任公司超高压输电公司百色局 Wire lifter for replacing whole string in high-voltage transmission line

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111181065A (en) * 2020-01-13 2020-05-19 贵州大学 Outdoor maintenance device for power equipment

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