CN202797769U - Tool for live replacement of insulator on portal pole side phase of 110kV line - Google Patents

Tool for live replacement of insulator on portal pole side phase of 110kV line Download PDF

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Publication number
CN202797769U
CN202797769U CN 201220470416 CN201220470416U CN202797769U CN 202797769 U CN202797769 U CN 202797769U CN 201220470416 CN201220470416 CN 201220470416 CN 201220470416 U CN201220470416 U CN 201220470416U CN 202797769 U CN202797769 U CN 202797769U
Authority
CN
China
Prior art keywords
arm
sheave assembly
draw
tool
groove
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
Application number
CN 201220470416
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Chinese (zh)
Inventor
吴健仁
曾国忠
林晴阳
林松青
林志强
郑阿建
方冰
陈章寿
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
State Grid Fujian Electric Power Co Ltd
Putian Power Supply Co of State Grid Fujian Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Putian Power Supply Co of State Grid Fujian 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, State Grid Fujian Electric Power Co Ltd, Putian Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN 201220470416 priority Critical patent/CN202797769U/en
Application granted granted Critical
Publication of CN202797769U publication Critical patent/CN202797769U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model relates to a tool for live replacement of an insulator, in particular to a tool for live replacement of an insulator on a portal pole side phase of a 110kV line. The tool is structurally characterized by comprising a cross arm fixture, upper pulley components, lower pulley components and insulating pull ropes. Firstly, a portal pole side phase cross arm is provided with a diagonal rod and a nut structure for fixing the cross arm and the diagonal rod, a Chinese character bei shaped aluminum alloy wing-shaped fixture comprising an 'n'-shaped aluminum alloy fixture structure, a left annular connecting portion and a right annular connecting portion is designed by making full use of the diagonal rod and the nut structure, the tool is simple and convenient to operate, and working efficiency is improved. Secondly, by the aid of the hook type line lifting pulley block operating mode which is a cooperation mode of the upper pulley components, the lower pulley components and ground operators with line lifting operation, the labor intensity of an operator on the cross arm can be reduced, personal safety of the operator is guaranteed, and labor efficiency is improved.

Description

110kV circuit H-frame pole limit phase replacing insulator under electrified instrument
Technical field
The utility model relates to a kind of replacing insulator under electrified instrument, a kind of 110kV circuit H-frame pole limit phase replacing insulator under electrified instrument particularly, and it is specially adapted to transmission line Z75, the Z87 series bar type of 110kV electric pressure.
Background technology
In the prior art, in order to guarantee the reliability service of electrical network, need to carry out synthetic live work to the 110kV transmission line, round thunderbolt, breakage and the permanent line insulator string of the operation time limit are being carried out in the work of charged for replacement, the too narrow problem of cross-arm that has H-frame pole limit phase, if adopt traditional shaping tool (mechanical screw mandrel coordinated insulation arm-tie, and wire suspension hook composition) to operate, then have following weak point:
Need to cause the operating personnel should guarantee safety problem near insulator string when at first being traditional tool operation, complete operation be very inconvenient during practical application again; Next is because cross-arm is too narrow, the operating personnel can only have one usually, this operating personnel not only wants operation tool, also to pluck, hang insulator string, operating difficulties, operating efficiency is low, and the muscle power that consumes too much the operating personnel easily, overtired phenomenon occurs easily, further cause the operating personnel to have the personal safety problem.
The utility model content
The purpose of this utility model is to provide a kind of simple, convenient according to the deficiencies in the prior art part, increases work efficiency, and reduces labor intensity, ensures the 110kV circuit H-frame pole limit phase replacing insulator under electrified instrument of operating personnel's personal safety.
The purpose of this utility model realizes by following approach:
110kV circuit H-frame pole limit phase replacing insulator under electrified instrument, its structural feature are, include cross-arm jig, top sheave assembly, lower sheave assembly and insulation stay cord; The main body of cross-arm jig is " several " type structure, the left and right sides of " several " type of being somebody's turn to do structure has annular connecting portion, be provided with the first draw-in groove under shed in the middle of " several " type structure, connect the first connecting portion in the middle of the transverse part of top, on two medial surfaces of the first draw-in groove, opened to the left and right respectively the second draw-in groove; The top sheave assembly includes hook, fixed pulley spare and the second connecting portion that sequentially distributes and connect from top to bottom; The lower sheave assembly includes movable pulley spare and the lower suspension hook that is connected thereunder;
The hook of top sheave assembly is connected with the annular connecting portion of cross-arm jig; The lower suspension hook of lower sheave assembly can catch on the wire that insulator string connects; One end of insulation stay cord is fixedly connected with the second connecting portion of top sheave assembly, after the other end passes the movable pulley of lower sheave assembly, passes the fixed pulley spare of top sheave assembly again, falls earthward at last.
The first connecting portion of cross-arm jig is installed for artificial, during use, the operating personnel is installed in the cross-arm jig on the cross-arm, be mounted with top sheave assembly and the lower sheave assembly of tape insulation stay cord this moment on the cross-arm jig, the lower suspension hook of lower sheave assembly is caught on wire by the insulating bar compounding practice, after installing, ground handling personnel pulling drops on the insulation stay cord on ground, realize carrying the LSOR insulator string by upper and lower pulley assembly, then just light replacing insulator string of the staff on the cross-arm.
Owing to have oblique pull rod and the fixing nut structure of cross-arm and oblique pull rod on the phase cross-arm of H-frame pole limit, therefore the first draw-in groove of cross-arm jig is the penetrating draw-in grooves in front and back, can inlay card on the angle steel of cross-arm, and the second draw-in groove is the draw-in groove of indent, can be further with the nut structure inlay card of fixing cross-arm therein, thereby well utilized this special construction of H-frame pole limit phase cross-arm, it is simple, convenient to operate, and has improved operating efficiency.Carry the hook type that the line operation forms and put forward line assembly pulley working method and adopt to be cooperated by upper and lower pulley assembly and Ground Operation personnel, can reduce the labour intensity of operating personnel on the cross-arm, ensured operating personnel's personal safety, improved efficiency.
The utility model can further be specially:
Above and below in the second draw-in groove left and right sides is provided with bolt retainer.
The above and below of the described second draw-in groove left and right sides refers to that this bolt retainer is distributed in respectively the above and below of the nut structure of the fixedly cross-arm of its clamp and oblique pull rod.The clamp of the first draw-in groove and cross-arm angle steel have limited the left and right sides degree of freedom of cross-arm jig, and the clamp of the second draw-in groove and nut structure have limited the front and back degree of freedom of cross-arm jig, set bolt retainer then can limit the easy on and off degree of cross-arm jig, can be completely fixed the cross-arm jig like this, so that more simple, convenient, the safety of operation.
Described the first connecting portion is a kind of suspension ring member, and it is connected with the top transverse part of cross-arm jig by bolt.
The suspension ring member is comparatively simple, and maneuverable structure, is convenient to connect and separate, and therefore can connect insulated operating rod by this suspension ring member.This first connecting portion can also be a kind of screw connection member, is connected in the screw thread rotation mode with insulated operating rod, still connects and separate comparatively inconvenience.
The second connecting portion of described top sheave assembly is a kind of suspension ring member, and it is connected to fixed pulley spare lower end by bolt component.
This suspension ring member can directly be tied up the insulation stay cord on the suspension ring member for connecting the insulation stay cord, and such operation is also fairly simple, but needs to guarantee enough firm intensity.
In sum, the utility model provides a kind of 110kV circuit H-frame pole limit phase replacing insulator under electrified instrument, at first be to have utilized fully to have oblique pull rod and the fixing nut structure of cross-arm and oblique pull rod on the phase cross-arm of H-frame pole limit, designed and a kind ofly had " north " font wing clamp that annular connecting portion forms by " several " type structure and the left and right sides, it is simple, convenient to operate, and has improved operating efficiency.Next is to adopt to be cooperated by upper and lower pulley assembly and Ground Operation personnel to carry the hook type that the line operation forms and put forward line assembly pulley working method, can reduce the labour intensity of operating personnel on the cross-arm, has ensured operating personnel's personal safety, has improved efficiency.
Description of drawings
Figure 1 shows that the structural representation of 110kV circuit H-frame pole described in the utility model limit phase replacing insulator under electrified instrument.
Figure 2 shows that the structural representation of cross-arm jig described in the utility model.
Figure 3 shows that the vertical view of Fig. 2.Figure 4 shows that the left view of Fig. 2.
Below in conjunction with embodiment the utility model is described further.
Specific embodiment
Most preferred embodiment:
With reference to accompanying drawing 1,110kV circuit H-frame pole limit phase replacing insulator under electrified instrument includes cross-arm jig 1, top sheave assembly 2, lower sheave assembly 3 and insulation stay cord 4; Wherein, the concrete structure of cross-arm jig 1 is as follows:
With reference to accompanying drawing 2, accompanying drawing 3 and accompanying drawing 4, the main body 11 of cross-arm jig 1 is " several " type structure, should " several " type structure can be the aluminium alloy structure, it also can be the angle steel structure, preferred aluminium alloy structure, its left and right sides has annular connecting portion 12, is provided with the first draw-in groove 13 under shed in the middle of " several " type aluminium alloy structure, connect the first connecting portion 14 in the middle of the transverse part of top, on two medial surfaces of the first draw-in groove 13, opened to the left and right respectively the second draw-in groove 15; Described the first connecting portion 14 is a kind of suspension ring member, and it is connected (omitting this first connecting portion 14 and bolt 16 in Fig. 3) by bolt 16 with the top transverse part of cross-arm jig.Be provided with screw 17 in the above and below of the second draw-in groove left and right sides, be bolted the part (not shown) and be fixed.
Referring to accompanying drawing 1, top sheave assembly 2 includes hook 21, fixed pulley spare 22 and the second connecting portion 23 that sequentially distributes and connect from top to bottom; Described the second connecting portion 23 also is a kind of suspension ring member, and it is connected to fixed pulley spare 22 lower ends by bolt component.Lower sheave assembly 3 includes movable pulley spare 31 and the lower suspension hook 32 that is connected thereunder.
The hook 21 of top sheave assembly 2 is connected with the annular connecting portion 12 of cross-arm jig 1; The lower suspension hook 32 of lower sheave assembly 3 can catch on the wire 5 that insulator string connects; One end of insulation stay cord 4 is fixedly connected with the second connecting portion 23 of top sheave assembly 2, after the other end passes the movable pulley 31 of lower sheave assembly 3, passes the fixed pulley spare 22 of top sheave assembly 2 again, falls earthward at last.
See accompanying drawing 4 owing to have oblique pull rod 7(on the H-frame pole limit phase cross-arm 6) and the fixing nut structure 8 of cross-arm 6 and oblique pull rod 7, therefore the first draw-in groove 13 of cross-arm jig 1 is the penetrating draw-in grooves in front and back, can inlay card on the angle steel of cross-arm, and the second draw-in groove 15 is the draw-in groove of indent (seeing shown in accompanying drawing 3 and the accompanying drawing 4), can be further with the nut structure inlay card of fixing cross-arm therein, last again in the above and below screw of the second draw-in groove left and right sides bolt retainer of screwing on.
After installing, ground handling personnel pulling drops on the insulation stay cord on ground, realizes carrying the LSOR insulator string by upper and lower pulley assembly, then just light replacing insulator string of the staff on the cross-arm.
It is same as the prior art that the utility model is not stated part.

Claims (4)

1.110kV circuit H-frame pole limit phase replacing insulator under electrified instrument is characterized in that, 110kV circuit H-frame pole limit phase replacing insulator under electrified instrument, and its structural feature is, includes cross-arm jig, top sheave assembly, lower sheave assembly and insulation stay cord; The main body of cross-arm jig is " several " type structure, the left and right sides of " several " type of being somebody's turn to do structure has annular connecting portion, be provided with the first draw-in groove under shed in the middle of " several " type structure, connect the first connecting portion in the middle of the transverse part of top, on two medial surfaces of the first draw-in groove, opened to the left and right respectively the second draw-in groove; The top sheave assembly includes hook, fixed pulley spare and the second connecting portion that sequentially distributes and connect from top to bottom; The lower sheave assembly includes movable pulley spare and the lower suspension hook that is connected thereunder;
The hook of top sheave assembly is connected with the annular connecting portion of cross-arm jig; The lower suspension hook of lower sheave assembly can catch on the wire that insulator string connects; One end of insulation stay cord is fixedly connected with the second connecting portion of top sheave assembly, after the other end passes the movable pulley of lower sheave assembly, passes the fixed pulley spare of top sheave assembly again, falls earthward at last.
2. 110kV circuit H-frame pole according to claim 1 limit phase replacing insulator under electrified instrument is characterized in that, is provided with bolt retainer in the above and below of the second draw-in groove left and right sides.
3. 110kV circuit H-frame pole according to claim 1 limit phase replacing insulator under electrified instrument is characterized in that described the first connecting portion is a kind of suspension ring member, and it is connected with the top transverse part of cross-arm jig by bolt.
4. 110kV circuit H-frame pole according to claim 1 limit phase replacing insulator under electrified instrument is characterized in that the second connecting portion of described top sheave assembly is a kind of suspension ring member, and it is connected to fixed pulley spare lower end by bolt component.
CN 201220470416 2012-09-14 2012-09-14 Tool for live replacement of insulator on portal pole side phase of 110kV line Expired - Fee Related CN202797769U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220470416 CN202797769U (en) 2012-09-14 2012-09-14 Tool for live replacement of insulator on portal pole side phase of 110kV line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220470416 CN202797769U (en) 2012-09-14 2012-09-14 Tool for live replacement of insulator on portal pole side phase of 110kV line

Publications (1)

Publication Number Publication Date
CN202797769U true CN202797769U (en) 2013-03-13

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Application Number Title Priority Date Filing Date
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103594966A (en) * 2013-11-18 2014-02-19 国家电网公司 Lifting device of high-voltage insulator string
CN103872621A (en) * 2014-03-10 2014-06-18 国家电网公司 Fixture for replacing strain insulator string under electrified state based on earth potential method and operation method
CN106099747A (en) * 2016-06-24 2016-11-09 国网山东省电力公司济南供电公司 Livewire work conduction wire riser
CN106532563A (en) * 2016-12-13 2017-03-22 马鞍山市华能电力线路器材有限责任公司 Overhead support mechanism convenient to replace fittings
CN106602465A (en) * 2017-01-17 2017-04-26 广西电网有限责任公司贺州供电局 Power transmission line tangent tower first insulator replacement tool
CN111063497A (en) * 2019-11-25 2020-04-24 贵州电网有限责任公司 Door-shaped frame assembly for fixing insulator

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103594966A (en) * 2013-11-18 2014-02-19 国家电网公司 Lifting device of high-voltage insulator string
CN103872621A (en) * 2014-03-10 2014-06-18 国家电网公司 Fixture for replacing strain insulator string under electrified state based on earth potential method and operation method
CN103872621B (en) * 2014-03-10 2016-08-24 国家电网公司 A kind of earth potential method charged changing tension-resisting insulator fixture and operational method
CN106099747A (en) * 2016-06-24 2016-11-09 国网山东省电力公司济南供电公司 Livewire work conduction wire riser
CN106099747B (en) * 2016-06-24 2018-02-16 国网山东省电力公司济南供电公司 Livewire work conduction wire riser
CN106532563A (en) * 2016-12-13 2017-03-22 马鞍山市华能电力线路器材有限责任公司 Overhead support mechanism convenient to replace fittings
CN106602465A (en) * 2017-01-17 2017-04-26 广西电网有限责任公司贺州供电局 Power transmission line tangent tower first insulator replacement tool
CN111063497A (en) * 2019-11-25 2020-04-24 贵州电网有限责任公司 Door-shaped frame assembly for fixing insulator
CN111063497B (en) * 2019-11-25 2021-04-06 贵州电网有限责任公司 Door-shaped frame assembly for fixing insulator

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130313

Termination date: 20190914

CF01 Termination of patent right due to non-payment of annual fee