CN207884190U - Overhead transmission line replacing linear insulator string under electrification back-up protection fixture - Google Patents

Overhead transmission line replacing linear insulator string under electrification back-up protection fixture Download PDF

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Publication number
CN207884190U
CN207884190U CN201721707861.9U CN201721707861U CN207884190U CN 207884190 U CN207884190 U CN 207884190U CN 201721707861 U CN201721707861 U CN 201721707861U CN 207884190 U CN207884190 U CN 207884190U
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CN
China
Prior art keywords
screw socket
plate
bottom plate
yoke plate
transmission line
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.)
Active
Application number
CN201721707861.9U
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Chinese (zh)
Inventor
翁钢
罗龙
苏伟
陈得奎
陈培鑫
于仙竹
邓勇
甘信虎
王杰
杨振
张晗
赵云龙
郭生辉
刘延洪
陈明
侯文武
胡吉河
羊英琦
刘丹
张海君
马超
曹文珍
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.)
MAINTENANCE COMPANY STATE GRID QINGHAI ELECTRIC POWER Co Ltd
State Grid Qinghai Electric Power Co Ltd
Original Assignee
MAINTENANCE COMPANY STATE GRID QINGHAI ELECTRIC POWER Co Ltd
State Grid Qinghai Electric Power Co Ltd
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Publication date
Application filed by MAINTENANCE COMPANY STATE GRID QINGHAI ELECTRIC POWER Co Ltd, State Grid Qinghai Electric Power Co Ltd filed Critical MAINTENANCE COMPANY STATE GRID QINGHAI ELECTRIC POWER Co Ltd
Priority to CN201721707861.9U priority Critical patent/CN207884190U/en
Application granted granted Critical
Publication of CN207884190U publication Critical patent/CN207884190U/en
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Abstract

The utility model belongs to electric power apparatus examination field, is related to overhead transmission line replacing linear insulator string under electrification back-up protection fixture.It is made of the two pieces of bottom plates (1) in left and right and yoke plate (6), and two pieces of bottom plates (1) are hinged by the mutually matched hinge (2) that its bottom is arranged;Bottom plate (1) center is provided with fixed screw socket (3), and connection screw socket (4) is provided at the top of bottom plate (1);Yoke plate (6) upper and lower ends are respectively arranged with yoke plate screw socket (7) and insulating cord connector (13), and milled screw (5) passes through yoke plate screw socket (7) and connection screw socket (4) to connect yoke plate (6) and bottom plate (1).The utility model is small, light weight;Using not damaged to conducting wire:It is main material to select the titanium alloy that intensity is high, light-weight due to the back-up protection fixture, and back-up protection fixture selects silk rope with cross-arm connecting material, has the advantages that operation is flexible during operation.

Description

Overhead transmission line replacing linear insulator string under electrification back-up protection fixture
Technical field
The utility model belongs to electric power apparatus examination field, after being related to overhead transmission line replacing linear insulator string under electrification Standby protection fixture, is mainly used for the replacing insulator under electrified on the transmission line of electricity of ± 400kV.
Background technology
± 400kV bavins draw DC power transmission line to have great importance Qinghai-Tibet networking.Since ± 400kV is China The DC power transmission line that construction puts into operation in high altitude localities for the first time, and so far, domestic unique ± 400kV direct currents are defeated Electric line, due to its uniqueness and the particularity of residing geographical environment, for the band of such voltage class transmission line of electricity Electric operation, though home and abroad has carried out some examinations to safe spacing, operating type, power tool, safety protective tools and measure etc. Research is tested, but these results of study can not be copied mechanically simply and be recorded in the line.First, environmental condition is different, the responsible fortune of institute of company ± 400kV the circuits of maintenance are tieed up mostly in high altitude localities;Second is that line construction is different, in tower, tower head size, conducting wire And it has any different in insulator configuration;Third, operating type and power tool are also different.It therefore, need to be in conjunction with the operator in China Formula and tool feature are studied.
Currently, China is without the back-up protection fixture for replacing insulator under electrified on the transmission line of electricity of ± 400kV.
Utility model content
The utility model provides a kind of simple in structure, the easy to use and overhead transmission line that can carry and exchange at any time Replacing linear insulator string under electrification back-up protection fixture, can be in replacing insulator under electrified to conducting wire its backup protection Effect causes danger after preventing gold utensil to be broken, plays the role of back-up protection.
The technical solution of the utility model is as follows:
Overhead transmission line replacing linear insulator string under electrification back-up protection fixture, it is characterised in that:It is by controlling two pieces Bottom plate 1 and yoke plate 6 form, and two pieces of bottom plates 1 are hinged by the mutually matched hinge 2 that its bottom is arranged;1 center setting of bottom plate There are fixed screw socket 3,1 top of bottom plate to be provided with connection screw socket 4;6 upper and lower ends of yoke plate are respectively arranged with yoke plate screw socket 7 and insulating cord Connector 13, milled screw 5 pass through yoke plate screw socket 7 and connection screw socket 4 to connect yoke plate 6 and bottom plate 1.
The bottom plate 1 is connect by attachment screw 12 with the base angle screw hole on three yoke plates 8.
Insulating cord 11 is connected on the insulating cord connector 13 of the yoke plate 6,11 other end of insulating cord is connect with conducting wire.
The bottom plate 1 is removably to be flexibly connected with three yoke plates 8.
The bottom plate 1 and yoke plate 6 is titanium alloy.
The insulating cord 11 is silk rope.
The utility model is used cooperatively with corresponding fixture, solves the insulation of ± 400kV overhead transmission line charged for replacement The problem of substring, the livewire work for direct current ± 400kV overhead transmission lines provide a kind of specific purpose tool.
Direct current ± 400kV overhead transmission lines electrification replacing linear insulator string under electrification back-up protection fixture be with it is corresponding Fixture is used in combination, and is being lifted whole group split conductor using fixture, is made to reach insulator chain relaxed state, is replaced insulator During string, using back-up protection fixture, a protective effect can be played to conducting wire.
The fixture is mainly acted on as back-up protection when promoting wire jumper pipe mother, and fixture embraces wire jumper pipe busbar when use, Again by protecting rope or pull rod to be connect with cross-arm.
The utility model is small, light weight;Using not damaged to conducting wire:Since the back-up protection fixture selects intensity High, light-weight titanium alloy is main material, and back-up protection fixture selects silk rope with cross-arm connecting material, in the process of operation In have the advantages that operation it is flexible;Make with the use of insulator chain is replaced additionally, due to the back-up protection fixture and fixture is used Used time tangles multi-joint plate using the fixture, then is connect with cross-arm by silk rope, whole group conducting wire is lifted, such fixture will not hinder To conducting wire, conducting wire will not occur bending and deformation.
The beneficial effects of the utility model:
(1) subtract small, light weight, it is easy to carry.
(2) intensity is high, lifting capacity is high.
(3) operation is flexible, and when use is not damaged to conducting wire, and conducting wire will not bend and deform.
Description of the drawings
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is the overall structure side view of the utility model.
Fig. 3 is the use scene schematic diagram of the utility model.
Wherein reference numeral is as follows:1 it is bottom plate, 2 be hinge, 3 be fixed screw socket, 4 be connection screw socket, 5 is annular knurl spiral shell Nail, 6 be yoke plate, 7 be yoke plate screw socket, 8 be three yoke plates, 9 be insulator to be replaced, 10 be replaced insulator, 11 be insulating cord, 12 it is attachment screw, 13 is insulating cord connector.
Specific implementation mode
To keep the purpose of this utility model, technical solution and advantage clearer, below in conjunction with the accompanying drawings, to the utility model Technical solution clearly and detailedly described:
As shown in Figure 1 and Figure 2, overhead transmission line replacing linear insulator string under electrification back-up protection fixture, feature exist In:It is made of the two pieces of bottom plates 1 in left and right and yoke plate 6, and two pieces of bottom plates 1 are hinged by the mutually matched hinge 2 that its bottom is arranged; 1 center of bottom plate is provided with fixed screw socket 3, and 1 top of bottom plate is provided with connection screw socket 4;6 upper and lower ends of yoke plate are respectively arranged with yoke plate Screw socket 7 and insulating cord connector 13, milled screw 5 pass through yoke plate screw socket 7 and connection screw socket 4 to connect yoke plate 6 and bottom plate 1.
The bottom plate 1 is connect by attachment screw 12 with the base angle screw hole on three yoke plates 8.
Insulating cord 11 is connected on the insulating cord connector 13 of the yoke plate 6,11 other end of insulating cord is connect with conducting wire.
The bottom plate 1 is removably to be flexibly connected with three yoke plates 8.
The bottom plate 1 and yoke plate 6 is titanium alloy.
The insulating cord 11 is silk rope.
In use, the bottom plate 1 of the utility model is opened certain angle by hinge 2, bottom plate 1 is then mounted on three On yoke plate 8, so that the fixation screw socket 3 on bottom plate 1 is aligned with the screw socket on three yoke plates 8, then fixed bottom plate 1 with attachment screw 12 On three yoke plates 8;
Then yoke plate 6 is inserted into the gap at 1 top of bottom plate, a yoke plate screw socket 7 on yoke plate 6 is made to be pushed up with bottom plate 1 The connection screw socket 4 in portion is aligned, and milled screw 5 is then passed through connection screw socket 4 and yoke plate screw socket 7, and yoke plate 6 is mounted on bottom plate 1 On, then 11 one end of insulating cord is connected on another yoke plate screw socket 7 on yoke plate 6,11 other end of insulating cord, which is connected to, leads On line.
When replacing insulator, if the gold utensil of connecting insulator is broken, at this point, protection described in the utility model Fixture provides the protection of standby to conducting wire, prevents conducting wire from falling as back-up protection by the insulating cord 11 being connected on conducting wire It causes danger.
Embodiment 1
The utility model overhead transmission line replacing linear insulator string under electrification standby is described in detail with reference to Fig. 1, Fig. 2 Protect performance of the fixture in specific works:
Overhead transmission line replacing linear insulator string under electrification back-up protection fixture, it is characterised in that:It is by controlling two pieces Bottom plate 1 and yoke plate 6 form, and two pieces of bottom plates 1 are hinged by the mutually matched hinge 2 that its bottom is arranged;1 center setting of bottom plate There are fixed screw socket 3,1 top of bottom plate to be provided with connection screw socket 4;6 upper and lower ends of yoke plate are respectively arranged with yoke plate screw socket 7 and insulating cord Connector 13, milled screw 5 pass through yoke plate screw socket 7 and connection screw socket 4 to connect yoke plate 6 and bottom plate 1.
Bottom plate 1 is connect by attachment screw 12 with the base angle screw hole on three yoke plates 8.
Insulating cord 11 is connected on the insulating cord connector 13 of yoke plate 6,11 other end of insulating cord is connect with conducting wire.
Bottom plate 1 is removably to be flexibly connected with three yoke plates 8.
Bottom plate 1 and yoke plate 6 are titanium alloy.
Insulating cord 11 is silk rope.
In use, the bottom plate 1 of the utility model is opened certain angle by hinge 2, bottom plate 1 is then mounted on three On yoke plate 8, so that the fixation screw socket 3 on bottom plate 1 is aligned with the screw socket on three yoke plates 8, then fixed bottom plate 1 with attachment screw 12 On three yoke plates 8;
Then yoke plate 6 is inserted into the gap at 1 top of bottom plate, a yoke plate screw socket 7 on yoke plate 6 is made to be pushed up with bottom plate 1 The connection screw socket 4 in portion is aligned, and milled screw 5 is then passed through connection screw socket 4 and yoke plate screw socket 7, and yoke plate 6 is mounted on bottom plate 1 On, then 11 one end of insulating cord is connected on another yoke plate screw socket 7 on yoke plate 6,11 other end of insulating cord, which is connected to, leads On line.
When replacing insulator, if the gold utensil of connecting insulator is broken, at this point, protection described in the utility model Fixture provides the protection of standby to conducting wire, prevents conducting wire from falling as back-up protection by the insulating cord 11 being connected on conducting wire It causes danger.
Protection fixture described in the utility model is used cooperatively with corresponding fixture, solves ± 400kV overhead transmission lines The problem of road hot-line insulator string replacement, the livewire work for direct current ± 400kV overhead transmission lines provide a kind of special tool Tool.
Direct current ± 400kV overhead transmission lines electrification replacing linear insulator string under electrification back-up protection fixture be with it is corresponding Fixture is used in combination, and is being lifted whole group split conductor using fixture, is made to reach insulator chain relaxed state, is replaced insulator During string, using back-up protection fixture, a protective effect can be played to conducting wire.
The fixture is mainly acted on as back-up protection when promoting wire jumper pipe mother, and fixture embraces wire jumper pipe busbar when use, Again by protecting rope or pull rod to be connect with cross-arm.
The above description is only the embodiments of the present invention, is not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (6)

1. overhead transmission line replacing linear insulator string under electrification back-up protection fixture, it is characterised in that:It is by the two pieces of bottoms in left and right Plate (1) and yoke plate (6) composition, two pieces of bottom plates (1) are hinged by the mutually matched hinge (2) that its bottom is arranged;In bottom plate (1) Centre is provided with fixed screw socket (3), and connection screw socket (4) is provided at the top of bottom plate (1);Yoke plate (6) upper and lower ends are respectively arranged with connection Plate screw socket (7) and insulating cord connector (13), milled screw (5) pass through yoke plate screw socket (7) and connection screw socket (4) by yoke plate (6) It is connected with bottom plate (1).
2. overhead transmission line replacing linear insulator string under electrification back-up protection fixture according to claim 1, feature It is:The bottom plate (1) is connect by attachment screw (12) with the base angle screw hole on three yoke plates (8).
3. overhead transmission line replacing linear insulator string under electrification back-up protection fixture according to claim 1, feature It is:Insulating cord (11), insulating cord (11) other end and conducting wire are connected on the insulating cord connector (13) of the yoke plate (6) Connection.
4. overhead transmission line replacing linear insulator string under electrification back-up protection fixture according to claim 2, feature It is:The bottom plate (1) is removably to be flexibly connected with three yoke plates (8).
5. overhead transmission line replacing linear insulator string under electrification back-up protection fixture according to claim 1, feature It is:The bottom plate (1) and yoke plate (6) is titanium alloy.
6. overhead transmission line replacing linear insulator string under electrification back-up protection fixture according to claim 3, feature It is:The insulating cord (11) is silk rope.
CN201721707861.9U 2017-12-11 2017-12-11 Overhead transmission line replacing linear insulator string under electrification back-up protection fixture Active CN207884190U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721707861.9U CN207884190U (en) 2017-12-11 2017-12-11 Overhead transmission line replacing linear insulator string under electrification back-up protection fixture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721707861.9U CN207884190U (en) 2017-12-11 2017-12-11 Overhead transmission line replacing linear insulator string under electrification back-up protection fixture

Publications (1)

Publication Number Publication Date
CN207884190U true CN207884190U (en) 2018-09-18

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721707861.9U Active CN207884190U (en) 2017-12-11 2017-12-11 Overhead transmission line replacing linear insulator string under electrification back-up protection fixture

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109244909A (en) * 2018-10-19 2019-01-18 吕文辉 A kind of power equipment maintenance device having high-altitude maintenance function
CN113399350A (en) * 2021-06-16 2021-09-17 贵州长征输配电电气有限公司 Charged rapid cleaning process

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109244909A (en) * 2018-10-19 2019-01-18 吕文辉 A kind of power equipment maintenance device having high-altitude maintenance function
CN111313297A (en) * 2018-10-19 2020-06-19 吕文辉 Power equipment maintenance device with high-altitude maintenance function and maintenance method
CN113399350A (en) * 2021-06-16 2021-09-17 贵州长征输配电电气有限公司 Charged rapid cleaning process
CN113399350B (en) * 2021-06-16 2022-06-10 贵州长征输配电电气有限公司 Charged rapid cleaning process

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