CN103500961B - Tool special for electrified replacement of strain insulator string - Google Patents

Tool special for electrified replacement of strain insulator string Download PDF

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Publication number
CN103500961B
CN103500961B CN201310399062.XA CN201310399062A CN103500961B CN 103500961 B CN103500961 B CN 103500961B CN 201310399062 A CN201310399062 A CN 201310399062A CN 103500961 B CN103500961 B CN 103500961B
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China
Prior art keywords
card
clip
base plate
strain insulator
insulating
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Application number
CN201310399062.XA
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Chinese (zh)
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CN103500961A (en
Inventor
林红明
缪寿成
郑宏伟
蒋其武
孔晓峰
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State Grid Corp of China SGCC
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, Jinhua Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201310399062.XA priority Critical patent/CN103500961B/en
Priority to CN201410410739.XA priority patent/CN104253394B/en
Publication of CN103500961A publication Critical patent/CN103500961A/en
Application granted granted Critical
Publication of CN103500961B publication Critical patent/CN103500961B/en
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Abstract

The invention discloses a tool special for electrified replacement of a strain insulator string. The tool special for electrified replacement of the strain insulator string comprises two insulating ropes which are arranged in a parallel mode, a front clip and a rear clip are connected with the front ends and the rear ends of the insulating ropes respectively, the left end and the right end of the front clip are connected with the front ends of the insulating ropes through linear twisting-preventing lead screws respectively, the left end and the right end of the rear clip are connected with the rear ends of the insulating ropes respectively, a middle clip is arranged between the two insulating ropes, and is arranged in front of the rear clip, two tightening lead screws are arranged at the left end and the right end of the middle clip respectively and are connected with the rear clip, the rear side of the front clip is connected with strain insulators through connecting plates, and the front side of the rear clip is connected with the strain insulators through connecting plates. According to the tool special for electrified replacement of the strain insulator string, due to the facts that the front clip, the middle clip and the rear clip serve as a main body, and the high-strength insulating ropes and the front tightening lead screws are used in cooperation, transfer of tension of wires is achieved, the strain insulator string can be loosened, and the purpose of replacing the insulators, the purpose of adjusting the sag and the purpose of overcoming the defects of the wires are achieved.

Description

A kind of charged changing tension-resisting insulator specific purpose tool
Technical field
The present invention relates to and change strain insulator string specific purpose tool.
Background technology
For 500kV track replacement strain insulator-string insulator string conventional method, first strain at rigid insulation bar stringing lead with mechanical lead screw or hydraulic pressure, hook holder with insulating insulator bracket or transfusion bottle again and hang insulator string, insulator string is made to be relaxed state, then depart from insulator string to be connected with the gold utensil between wire, reach the object changing insulator, adjustment sag, process wire defect.
But there is following defect in prior art:
1. rigid insulation bar and bottle-holding rack both bulk, carry carrying limited, on tower live line working personal height operation difficulty and labour intensity all very high.
2. degree is fixing, poor universality, needs to manufacture plurality of specifications Work tool supporting with it.
Summary of the invention
Technical problem to be solved by this invention is just to provide a kind of charged changing tension-resisting insulator specific purpose tool, easy to use, and versatility is good.
For solving the problems of the technologies described above, the present invention adopts following technical scheme: a kind of charged changing tension-resisting insulator specific purpose tool, comprise two insulating cords be arranged in parallel, described insulating cord rear and front end connects front card and rear card respectively, two ends, described front card left and right are connected with insulating cord front end by the anti-torsion wire thick stick of straight line, two ends, described rear card left and right are connected with insulating cord rear end, block in rear card front is provided with between two insulating cords, two ends, described middle card left and right be respectively equipped with one tighten up leading screw with after link and connect, before described, card rear side is connected with strain insulator by gusset piece, described rear card front side is connected with strain insulator by gusset piece.
Preferably, before described, card is connected by bolt by clamping member before be symmetrical set two, described front clamping member comprises base plate, described base plate upper center is provided with a brace rod, described brace rod top is provided with connecting cylinder, described base plate, be provided with floor be connected between brace rod with connecting cylinder, be provided with groove bottom described base plate, described base plate is provided with bolt hole in groove both sides.
Preferably, described middle card comprises the middle card main body of circular arc tabular, and in described middle card main body, in-plane is provided with I-shaped boss, and be provided with U-shaped draw-in groove in the middle part of described middle card body rear and coordinate with gusset piece and install, described U-shaped draw-in groove both sides are provided with gusset piece connecting hole.
Preferably, two ends, described middle card main body left and right are provided with tightens up leading screw installing hole and tightens up leading screw and be connected, and described U-shaped draw-in groove extends to I-shaped boss bottom.
Preferably, described rear card comprises the rear card main body of arch sheet structure, be provided with supporting bracket below described rear card main body to support, the described rear card main body left and right sides is provided with insulating cord connecting hole, the described supporting bracket left and right sides is provided with tightens up lead screw hole, the connection board slot that below described rear card main body, middle part is through before and after being provided with for what tighten up that leading screw passes through.
Preferably, described insulating cord rear end by aluminium joint with after link and connect.
Preferably, on described rear card, plane is provided with nylon roller, is provided with rolling wheel support above described rear card main body.
The present invention is main body by front card, middle card, rear card three kinds of jigs, mix high-strength insulating rope and before tighten up leading screw, achieve the transfer of wire tension, insulator string relaxed, reach the object changing insulator, adjustment sag, process wire defect.Its advantage is:
1. this cover instrument highly versatile, energy combination in any, meets the needs of different strain insulator version.
2. this cover tool operation method is easy, and light and flexible, greatly alleviates the workload of live line working personnel on tower.
3. this cover instrument have employed the power tool of " rope ", adopts high-strength insulating rope to instead of stringing insulated tension pole.
4. this cover instrument makes operating efficiency be greatly improved, and specify that the workflow of every typical live line working on alive circuit, operational method and Preventive Control of Dangerous Spot measure further, optimizes part live line working mode and operational method.
5. this cover instrument also improves Super High Voltage Live-line Operation level, perfect 500kV line live-line work Work tool management system further, for carrying out the live line working of transmission line further, contribution has been made in the research improving live line working method, substantially increases the safety and economic operation level of electrical network.
Accompanying drawing explanation
Below in conjunction with the drawings and specific embodiments, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is gusset piece and insulator fit structure schematic diagram;
Fig. 3 is the structural representation of front clamping member;
Fig. 4 is the structural representation of middle card;
Fig. 5 is the structural representation of rear card.
Embodiment
Fig. 1 to Fig. 5 shows the concrete structure of charged changing tension-resisting insulator specific purpose tool of the present invention, it comprises two insulating cords be arranged in parallel 4, described insulating cord 4 rear and front end connects front card 1 and rear card 3 respectively, before described, card about 1 two ends are connected with insulating cord front end by the anti-torsion wire thick stick 10 of straight line, described rear card about 3 two ends are connected with insulating cord 4 rear end, in rear card front is provided with, 2 are blocked between two insulating cords, described middle card about 2 two ends be respectively equipped with one tighten up leading screw 29 with after link and connect, be connected with strain insulator 6 by gusset piece 5 on rear side of card 1 before described, be connected with strain insulator 6 by gusset piece 5 on front side of described rear card 3, the strain insulator 6 at such strain insulator string two ends realizes being connected with this charged changing tension-resisting insulator specific purpose tool.
Before described, card 1 is connected by bolt by clamping member before be symmetrical set two, described front clamping member comprises base plate 11, described base plate upper center is provided with a brace rod 12, described brace rod top is provided with connecting cylinder 13, described base plate, be provided with floor 14 between brace rod with connecting cylinder and be connected, be provided with groove 15 bottom described base plate, described base plate is provided with bolt hole in groove both sides.Two base plate docking also realize bolt connection by bolt hole.Connecting cylinder 13 passes through for the anti-torsion wire thick stick 10 of straight line.
Described middle card 2 comprises the middle card main body 20 of circular arc tabular, and in described middle card main body, in-plane is provided with I-shaped boss 21, and be provided with U-shaped draw-in groove 23 in the middle part of described middle card body rear and coordinate with gusset piece and install, described U-shaped draw-in groove both sides are provided with gusset piece connecting hole 24.Two ends, described middle card main body left and right are provided with tightens up leading screw installing hole 22 and tightens up leading screw and be connected, and described U-shaped draw-in groove extends to bottom I-shaped boss 21.
Described rear card 3 comprises the rear card main body 30 of arch sheet structure, be provided with supporting bracket below described rear card main body to support, the described rear card main body left and right sides is provided with insulating cord connecting hole 32, the described supporting bracket left and right sides is provided with tightens up lead screw hole 33, the connection board slot 34 that below described rear card main body, middle part is through before and after being provided with for what tighten up that leading screw passes through.Described insulating cord rear end by aluminium joint 40 with after link and connect.On described rear card, plane is provided with nylon roller 41, is provided with rolling wheel support 31 above described rear card main body.Aluminium joint 40 can do 360 degree of rotations, to reach the torsion of the stressed rear generation of release high-strength insulating rope.
In addition, intermediate plate 50 connection side gusset piece 51 can also be passed through in described front card 1 and rear card 3 side, and side gusset piece 51 is connected with strain insulator 6 again, can realize the replacing of multiple strain insulator 6 with this.
The present invention achieves the transfer of wire tension by leading screw, insulator string is relaxed, and then can change insulator.

Claims (1)

1. a charged changing tension-resisting insulator specific purpose tool, it is characterized in that: comprise two insulating cords be arranged in parallel (4), described insulating cord (4) rear and front end connects front card (1) and rear card (3) respectively, before described, card (1) two ends, left and right are connected with insulating cord (4) front end by the anti-torsion wire thick stick (10) of straight line, described rear card (3) two ends, left and right are connected with insulating cord (4) rear end, middle card (2) is provided with in rear card (3) front between two insulating cords (4), described middle card (2) two ends, left and right be respectively equipped with one tighten up leading screw (29) with after link and connect, before described, card rear side is connected with strain insulator (6) by gusset piece (5), described rear card front side is connected with strain insulator (6) by gusset piece (5), before described, card (1) is connected by bolt by clamping member before be symmetrical set two, described front clamping member comprises base plate (11), described base plate upper center is provided with a brace rod (12), described brace rod top is provided with connecting cylinder (13), described base plate, be provided with floor (14) between brace rod with connecting cylinder to be connected, groove (15) is provided with bottom described base plate, described base plate is provided with bolt hole in groove both sides, two base plate docking also realize bolt connection by bolt hole, connecting cylinder passes through for the anti-torsion wire thick stick of straight line.
CN201310399062.XA 2013-09-05 2013-09-05 Tool special for electrified replacement of strain insulator string Active CN103500961B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201310399062.XA CN103500961B (en) 2013-09-05 2013-09-05 Tool special for electrified replacement of strain insulator string
CN201410410739.XA CN104253394B (en) 2013-09-05 2013-09-05 A kind of replacing instrument of strain insulator string

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201310399062.XA CN103500961B (en) 2013-09-05 2013-09-05 Tool special for electrified replacement of strain insulator string

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN201410410739.XA Division CN104253394B (en) 2013-09-05 2013-09-05 A kind of replacing instrument of strain insulator string

Publications (2)

Publication Number Publication Date
CN103500961A CN103500961A (en) 2014-01-08
CN103500961B true CN103500961B (en) 2014-12-17

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108879469A (en) * 2016-04-26 2018-11-23 国网江苏省电力有限公司常州供电分公司 The operational method of charged for replacement 35kV strain insulator string
CN109038362A (en) * 2018-07-27 2018-12-18 国网山东省电力公司烟台供电公司 A kind of replacement transmission line of electricity linear insulator specific purpose tool
CN110011218B (en) * 2019-03-28 2020-10-27 国网浙江慈溪市供电有限公司 Method for replacing strain insulator string of 10kV distribution network

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5377402A (en) * 1993-10-27 1995-01-03 Semple, Jr.; Alan R. Electrical insulator change-out tool
KR20080024840A (en) * 2006-09-15 2008-03-19 한국전기공사협회 Live-line changing method of the damaged insulator in suspension insulator strings for 765kv double circuit transmission lines
CN201518396U (en) * 2009-06-16 2010-06-30 福建省福州电业局 Tool for replacing strain insulator string in 220 KV circuit with charged line
CN203415903U (en) * 2013-09-05 2014-01-29 国家电网公司 Special tool for replacing strain insulator string on hot line

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C53 Correction of patent for invention or patent application
CB03 Change of inventor or designer information

Inventor after: Lin Hongming

Inventor after: Jiu Shoucheng

Inventor after: Zheng Hongwei

Inventor after: Jiang Qiwu

Inventor after: Kong Xiaofeng

Inventor before: Lin Hongming

Inventor before: Jiu Shoucheng

Inventor before: Zheng Hongwei

Inventor before: Jiang Qiwu

COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: LIN HONGMING MIAO SHOUCHENG ZHENG HONGWEI JIANG QIWU TO: LIN HONGMING MIAO SHOUCHENG ZHENG HONGWEI JIANG QIWU KONG XIAOFENG

C14 Grant of patent or utility model
GR01 Patent grant
CB03 Change of inventor or designer information

Inventor after: Fang Yuqun

Inventor after: Kong Xiaofeng

Inventor after: Jiu Shoucheng

Inventor after: Qian Liqun

Inventor after: Zheng Hongwei

Inventor after: Jiang Qiwu

Inventor before: Lin Hongming

Inventor before: Jiu Shoucheng

Inventor before: Zheng Hongwei

Inventor before: Jiang Qiwu

Inventor before: Kong Xiaofeng

COR Change of bibliographic data