CN205791238U - A kind of 10kV distribution line charged lifter of straightway three-phase conducting wire - Google Patents

A kind of 10kV distribution line charged lifter of straightway three-phase conducting wire Download PDF

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Publication number
CN205791238U
CN205791238U CN201620736237.0U CN201620736237U CN205791238U CN 205791238 U CN205791238 U CN 205791238U CN 201620736237 U CN201620736237 U CN 201620736237U CN 205791238 U CN205791238 U CN 205791238U
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China
Prior art keywords
insulation pulling
tie
pieces
hole
arm
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CN201620736237.0U
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Chinese (zh)
Inventor
王聪智
卫庆
龙海福
张斌武
唐静涛
林周强
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Honghe Power Supply Bureau of Yunnan Power Grid Co Ltd
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Honghe Power Supply Bureau of Yunnan Power Grid Co Ltd
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Abstract

This utility model relates to technical field of electric power construction, particularly a kind of 10kV distribution line charged lifter of straightway three-phase conducting wire, including promoting arm-tie, supporting pull plate and two pieces of insulation pulling plates, the head end of two pieces of described insulation pulling plates intersects, end is individually separated, the two ends of described supporting pull plate end with two pieces of insulation pulling plates respectively is connected, described lifting arm-tie and two pieces of insulation pulling plates connect at the infall of two pieces of insulation pulling plates, and the lower end of described lifting arm-tie and the end of two pieces of described insulation pulling plates are provided with line hanging hook.Lifter of the present utility model have compact conformation, dismount convenient, mechanical tensile forces can be born big, the feature that safety coefficient is high, utilize lifter of the present utility model auxiliary to change 10kV three-phase linear bar pin insulator or shaft tower increases, impaired straight line pole operation, easy and simple to handle, it is beneficial to improve working performance.

Description

A kind of 10kV distribution line charged lifter of straightway three-phase conducting wire
Technical field
This utility model relates to technical field of electric power construction, particularly a kind of 10kV distribution line straightway three-phase conducting wire band Electricity lifter and the method using this lifter replacing insulator.
Background technology
Change the common operation that three-phase pin insulator is technical field of electric power construction.Especially in the region that filth is serious, Distribution line runs department to be needed 10kV distribution line straight line pole charged for replacement three-phase pin insulator, to prevent circuit pollution flashover The generation of accident.But, existing replacing three-phase pin insulator operation exists operation is the most tediously long, working performance is low lacks Fall into, trace it to its cause and be that charged for replacement three-phase pin insulator is typically taked to use traditional livewire work method to carry out, i.e. by Being replaced mutually, concrete operation method is: a phase is covered in insulation, changes a phase, then insulation is covered, then changes, the like, instead The time covered again accounts for the 60%-70% of whole activity duration, makes the labor intensity of operating personnel strengthen, has had a strong impact on band The work efficiency of electricity operation.
In city, especially some old towns, due to problems such as left over by history, more there is circuit in 10kV distribution line old Change, unreasonable erection, the defect that line insulation rate is low.Joint portion on the outskirts of a town, electric network composition is weaker, and resident breaks rules and regulations in addition Build a house, cause line-to-ground distance not, need to raise the overhead line structures inadequate to house clearance.Then, hand over The shaft tower on passway side is happened occasionally by the situations such as Vehicular impact, causes shaft tower to have damage more, and shaft tower well damage will threaten Circuit periphery life property safety of people, therefore impaired tower bar should be changed in time.But, processing wire distance to the ground in the past Time not, in the case of line outage, the overhead line structures inadequate to house clearance can only be raised, needs by When impaired shaft tower is replaced, equally can only carry out in the case of line outage, these traditional power construction methods Being required to interrupt the normal power supply to client, operation is restricted, and greatly reduces power supply reliability.
Defect in view of existing operational method, it is necessary to a kind of specific purpose tool of research and development, thus in uninterrupted power supply situation Under operation that three-phase conducting wire is correlated with.
Utility model content
In order to overcome the limitation needing power-off to carry out operation in prior art, and working performance is low under livewire work Defect, this utility model provides a kind of 10kV distribution line charged lifter of straightway three-phase conducting wire, and this instrument can be used for assisting Charged for replacement 10kV three-phase linear bar pin insulator or shaft tower increases, impaired straight line pole operation, easy and simple to handle, it is beneficial to carry High working performance.
This utility model provides a kind of 10kV distribution line charged lifter of straightway three-phase conducting wire, including promote arm-tie, Supporting pull plate and two pieces of insulation pulling plates, the head end of two pieces of described insulation pulling plates intersects, end is individually separated, and described support is drawn The two ends of plate end with two pieces of insulation pulling plates respectively is connected, and described lifting arm-tie and two pieces of insulation pulling plates are at two pieces of insulation pulling plates Infall connect, the lower end of described lifting arm-tie and the end of two pieces of described insulation pulling plates are provided with line hanging hook.
Further, between lower end and the supporting pull plate of described lifting arm-tie, there is certain distance, be arranged on lifting arm-tie The line hanging hook of lower end is triangle with the line hanging hook being arranged on insulation pulling plate end.
Specifically, the head end of described insulation pulling plate is provided with through hole I, and the end of insulation pulling plate is provided with through hole II, described Promote and offer, on arm-tie, the connecting hole I mated with described through hole I, described supporting pull plate offers and mates with described through hole II Connecting hole II.
Specifically, the connected mode between described lifting arm-tie and two pieces of described insulation pulling plates is bolt-connection, described Connected mode between support arm-tie and the end of two pieces of described insulation pulling plates is bolt-connection;Described line hanging hook draws with described insulation It is bolt-connection between plate and described lifting arm-tie.
Further, the connecting hole I that described lifting arm-tie is offered is multiple, by adjusting connecting hole I and described through hole I Matching relationship adjust the distance between line hanging hook and the line hanging hook on insulation pulling plate promoted on arm-tie.
Further, the connecting hole II described supporting pull plate offered is multiple;It is logical that described insulation pulling plate end is offered Hole II is multiple;Adjust between the line hanging hook on two pieces of insulation pulling plates by adjusting the matching relationship of connecting hole II and through hole II Distance.
Preferably, the structure of two pieces of described insulation pulling plates is identical.
This utility model has the advantages that
The 10kV distribution line charged lifter of straightway three-phase conducting wire that this utility model provides has compact conformation, steady Fixed, mechanical tensile forces can be born big, the feature that safety coefficient is high, use the mode of bolted on connection to fix all parts, it is simple to carry Rise the disassembly and assembly of device, have that storage is convenient, take up space little advantage.Lifter of the present utility model can be used for assisting charged Change 10kV three-phase linear bar pin insulator or shaft tower increases, impaired straight line pole operation, easy and simple to handle, it is beneficial to improve work Industry efficiency.Avoid the loss of supply caused due to power failure operation, improve power supply reliability, make distribution line defect elimination, move bar Move line and Optimizing Reconstruction engineering becomes flexible, no longer stick to the replacing shaft tower that can only have a power failure.
Accompanying drawing explanation
In order to be illustrated more clearly that the technical solution of the utility model, below will be to institute in embodiment or description of the prior art The accompanying drawing used is needed to be briefly described, it should be apparent that, the accompanying drawing in describing below is only more of the present utility model Embodiment, for those of ordinary skill in the art, on the premise of not paying creative work, it is also possible to attached according to these Figure obtains other accompanying drawing.
Fig. 1 is the structural representation of this utility model 10kV distribution line charged lifter of straightway three-phase conducting wire.
Detailed description of the invention
Below in conjunction with the accompanying drawing in this utility model embodiment, the technical scheme in this utility model embodiment is carried out Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of this utility model rather than whole Embodiment.Based on the embodiment in this utility model, those of ordinary skill in the art are not making the premise of creative work Lower obtained every other embodiment, broadly falls into the scope of this utility model protection.
Seeing Fig. 1, the 10kV distribution line charged lifter of straightway three-phase conducting wire that this utility model provides, including promoting Arm-tie 4, supporting pull plate 3 and two pieces of insulation pulling plates 1,2, the head end of insulation pulling plate 1 and insulation pulling plate 2 intersects, end each Separately, the two ends of described supporting pull plate 3 end with two pieces of insulation pulling plates 1,2 respectively is connected, described lifting arm-tie 4 and two pieces exhausted Edge arm-tie 1,2 connects, and the specifically infall at two pieces of insulation pulling plates connects, and the upper end promoting arm-tie 4 is used for and lowering or hoisting gear Connecting, the lower end promoting arm-tie 4 is provided with line hanging hook 53, and the end of insulation pulling plate 1 is provided with line hanging hook 51, insulation pulling plate 2 End be provided with line hanging hook 52.Between lower end and the supporting pull plate 3 of described lifting arm-tie 4, there is certain distance, line hanging hook 51, line hanging hook 52 and line hanging hook 53 are triangle.Described lifting arm-tie 4, supporting pull plate 3 and insulation pulling plate 1,2 are 3240 Epoxy resins insulation arm-tie.
Insulation pulling plate 1 is the most identical with size with the structure of insulation pulling plate 2, illustrates with insulation pulling plate 1 below;Insulation is drawn The head end of plate 1 is provided with through hole I, end is provided with through hole II, and the quantity of through hole I and through hole II is multiple.Described lifting is drawn Offer the connecting hole I mated with described through hole I on plate 4, described supporting pull plate 3 offers the company mated with described through hole II Meeting hole II, the quantity of connecting hole I and connecting hole II is multiple.
Connected mode between described lifting arm-tie 4 and described insulation pulling plate 1 and insulation pulling plate 2, described supporting pull plate 3 with Connected mode between the end of insulation pulling plate 1 and insulation pulling plate 2 is bolt-connection.Draw with described insulation with lifting arm-tie 4 Illustrate as a example by connected mode between plate 1 and insulation pulling plate 2, insulation pulling plate 1, insulation pulling plate 2 and lifting arm-tie 4 are leaned against one Rise, make the through hole I on insulation pulling plate 1, the through hole I on insulation pulling plate 2 and the connecting hole I promoted on arm-tie 4 overlap, then by bolt Through the hole of this coincidence, then overlapping upper gasket, fastening nut, this utility model uses plain bolt bind mode, thus insulate The end of arm-tie 1 and insulation pulling plate 2 can be freely movable.Further, supporting pull plate 3 is utilized to fix insulation pulling plate 1 end With the distance of insulation pulling plate 2 end, and strengthening mechanical strength, concrete methods of realizing is: by the connecting hole II of supporting pull plate 3 left end Align with the through hole II on insulation pulling plate 1 coincidence, by bolt through the hole of this coincidence, then overlap upper gasket, fastening nut;Again will The connecting hole II of supporting pull plate 3 right-hand member and the through hole II on insulation pulling plate 1 aligns coincidence, by bolt through the hole of this coincidence, so Rear enclosure upper gasket, fastening nut.
Through hole I owing to offering on insulation pulling plate 1 and insulation pulling plate 2 is multiple, and the connecting hole I promoted on arm-tie 4 is also It is multiple, then, by adjusting the alignment coincidence relation of through hole I and connecting hole I, then can change the line hanging hook 53 promoted on arm-tie And the distance between the line hanging hook 51,52 on insulation pulling plate.Similarly, owing to the connecting hole II offered on supporting pull plate 3 is for many Individual;The through hole II that insulation pulling plate 1 and insulation pulling plate 2 end are offered is multiple, then by adjust connecting hole II and through hole II The relation of joining can vary in the distance between line hanging hook 53 and the line hanging hook 51,52 on insulation pulling plate promoted on arm-tie, with And the distance between line hanging hook 51 and line hanging hook 52.
Further, between described line hanging hook 51,52 and insulation pulling plate 1,2 is also bolt-connection, line hanging hook 53 with carry Rising between arm-tie 4 is also bolt-connection, in order to receives and changes line hanging hook.
Lifter of the present utility model is with 3240 epoxy resins insulation arm-ties as predominating insulation, according to 10kV distribution line The actual size processing of road straight line pole three-phase conducting wire arrangement mode is assembled into spandrel frame, and three summits of spandrel frame are divided It is not attached with M12 bolt;Three line hanging hooks 51,52,53 are also attached with M12 bolt;Promote the upper end of arm-tie 4 with exhausted The suspension hook of edge bucket arm vehicle suspension hook or crane connects, and three line hanging hooks fix three-phase conducting wire, by operation aerial lift device with insulated arm suspension hook Or the suspension hook of crane produces pull strength, the purpose of lift three-phase wire can be reached with lift three-phase conduction wire riser.
The lifter that this utility model provides, from 10kV distribution line straightway wire by the maximum wire being likely encountered JKLYJ-240 insulated conductor considers, vertical span presses 200m design, and vertical load 7.2kN, safety coefficient takes 2.5, maximum lift Load 18kN, the 10kV distribution line charged lifter of straightway three-phase conducting wire selects 3240 epoxy resins insulation arm-ties to be main material Material, fully applies 3240 epoxy resins insulation function admirables, the feature that mechanical strength is high, 3240 epoxy resin sheet materials 10 × 50 × 1300mm maximum can be born mechanical tensile forces and be reached 30kN, M12 connecting bolt maximum and can bear mechanical tensile forces and reach 30kN, fixing wire Three line hanging hooks select specified mechanical loads to be 30kN, line hanging hook open C 240, fully ensured the safety of livewire work Property.
Explanation below uses the method that lifter of the present utility model is replaced 10kV three-phase linear bar pin insulator. The method comprises the following steps:
S1, distribution network live line work staff dress insulating protection apparatus, take aerial lift device with insulated arm and arrive job position, profit By wire mask, insulated target, electric pole mask, band electric screen 10kV distribution line three-phase conducting wire, tower grounding part, remove Pin insulator binding wire;
S2, staff's charged installation lifter, utilize the line hanging hook promoting arm-tie lower end to fix in the middle of in three-phase conducting wire Wire L2, utilize the line hanging hook of insulation pulling plate end to fix wire L1 and L3 of described wire L2 both sides, by wire L1 and L3 Strut to both sides, the upper end promoting arm-tie is fixed on the suspension hook of aerial lift device with insulated arm suspension hook or crane;
S3, operation aerial lift device with insulated arm or crane, the charged lifter of lift three-phase wire, charged lifting 10kV distribution line three Phase conductor is to being suitable for height;
S4, staff change 10kV three-phase linear bar pin insulator, and after operation completes, removing is correlated with covers apparatus.
Certainly, shaft tower increase operation or change straight line pole operation operating procedure consistent with above-mentioned steps S1-S3.
In the past carry out 10kV line linear shaft tower increase, impaired straight line pole change time, to first carry out grid switching operation, will 10kV line outage, electrical verification, hanging earthing conductor just can carry out operation, thus certainly will interrupt the normal power supply to client, significantly Reduce power supply reliability.The 10kV distribution line charged lifter of straightway three-phase conducting wire of the present utility model is used to carry out 10kV When line linear shaft tower increases, impaired straight line pole is changed, first electrical body and grounding body are carried out insulation and cover, then by charged After three-phase conducting wire entirety rises to suitable position, steel wire rope is replaced to stand up shaft tower, at 10kV circuit normal power supply with Di Nima rope State under carry out shaft tower increase, impaired straight line pole operation, it is to avoid the loss of supply caused due to power failure operation, improve Power supply reliability, improves equipment safety operation level.
Above disclosed only preferred embodiment of the present utility model, can not limit this practicality with this new certainly The interest field of type, the equivalent variations made according to this utility model claim, still belong to the scope that this utility model is contained.

Claims (8)

1. the 10kV distribution line charged lifter of straightway three-phase conducting wire, it is characterised in that include promoting arm-tie (4), propping up Support arm-tie (3) and two pieces of insulation pulling plates, the head end of two pieces of described insulation pulling plates intersects, end is individually separated, described support The two ends of arm-tie (3) end with two pieces of insulation pulling plates respectively is connected, and described lifting arm-tie (4) and two pieces of insulation pulling plates are at two pieces The infall of insulation pulling plate connects, and the described lower end of lifting arm-tie (4) and the end of two pieces of described insulation pulling plates are provided with and hang Line hook.
The 10kV distribution line charged lifter of straightway three-phase conducting wire the most according to claim 1, it is characterised in that described Promote, between lower end and the supporting pull plate (3) of arm-tie (4), there is certain distance, be arranged on the line hanging hook promoting arm-tie (4) lower end Triangle with the line hanging hook being arranged on insulation pulling plate end.
The 10kV distribution line charged lifter of straightway three-phase conducting wire the most according to claim 1, it is characterised in that described The head end of insulation pulling plate is provided with through hole I, and the end of insulation pulling plate is provided with through hole II, and described lifting arm-tie (4) offers The connecting hole I mated with described through hole I, described supporting pull plate (3) offers the connecting hole II mated with described through hole II.
The 10kV distribution line charged lifter of straightway three-phase conducting wire the most according to claim 3, it is characterised in that described The connected mode promoted between arm-tie (4) and two pieces of described insulation pulling plates is bolt-connection, described supporting pull plate (3) and two pieces of institutes Stating the connected mode between the end of insulation pulling plate is bolt-connection;Described line hanging hook draws with described insulation pulling plate and described lifting It it is bolt-connection between plate.
The 10kV distribution line charged lifter of straightway three-phase conducting wire the most according to claim 4, it is characterised in that described It is multiple for promoting the connecting hole I offered on arm-tie (4), is adjusted by the matching relationship of adjustment connecting hole I and described through hole I and carries Rise the distance between line hanging hook and the line hanging hook on insulation pulling plate on arm-tie.
The 10kV distribution line charged lifter of straightway three-phase conducting wire the most according to claim 4, it is characterised in that described The connecting hole II offered on supporting pull plate (3) is multiple;The through hole II that described insulation pulling plate end is offered is multiple;By adjusting The matching relationship of connecting hole II and through hole II adjusts the distance between the line hanging hook on two pieces of insulation pulling plates.
7. according to the 10kV distribution line charged lifter of straightway three-phase conducting wire described in any one in claim 1-6, its Being characterised by, the structure of two pieces of described insulation pulling plates is identical.
The 10kV distribution line charged lifter of straightway three-phase conducting wire the most according to claim 7, it is characterised in that described Promote arm-tie (4), supporting pull plate (3) and insulation pulling plate and be epoxy resins insulation plate.
CN201620736237.0U 2016-07-13 2016-07-13 A kind of 10kV distribution line charged lifter of straightway three-phase conducting wire Active CN205791238U (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105932602A (en) * 2016-07-13 2016-09-07 云南电网有限责任公司红河供电局 Three-phase wire electrified lifter and method for replacing insulator by adopting lifter
CN111600236A (en) * 2020-05-13 2020-08-28 国网山东省电力公司济南供电公司 Interphase insulation isolation device for distribution live-line work line and use method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105932602A (en) * 2016-07-13 2016-09-07 云南电网有限责任公司红河供电局 Three-phase wire electrified lifter and method for replacing insulator by adopting lifter
CN111600236A (en) * 2020-05-13 2020-08-28 国网山东省电力公司济南供电公司 Interphase insulation isolation device for distribution live-line work line and use method

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