CN206267776U - Safeguard the hanging ladder of straight line composite insulation substring - Google Patents

Safeguard the hanging ladder of straight line composite insulation substring Download PDF

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Publication number
CN206267776U
CN206267776U CN201621219224.2U CN201621219224U CN206267776U CN 206267776 U CN206267776 U CN 206267776U CN 201621219224 U CN201621219224 U CN 201621219224U CN 206267776 U CN206267776 U CN 206267776U
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China
Prior art keywords
ladder
hook
straight line
hanging
composite insulation
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CN201621219224.2U
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Chinese (zh)
Inventor
资云元
吴海锋
朱卫祯
徐天平
刘利贤
黄凤明
王增强
蒋林
黄和祥
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Qujing Power Supply Bureau Yunnan Power Grid Co Ltd
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Qujing Power Supply Bureau Yunnan Power Grid Co Ltd
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Priority to CN201621219224.2U priority Critical patent/CN206267776U/en
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Abstract

Safeguard the hanging ladder of straight line composite insulation substring, including ladder, terraced shelves and hanging member, ladder(8)Made using a square tube section, in the affixed hook in the upper end of ladder(5), first group of adjustment hole has respectively been issued in the bottom and middle part of ladder(9)With second group of adjustment hole(2), every group of three holes;Ladder(8)Both sides when being climbed by adult, carry leg is alternately fixed with least four terraced shelves apart from size(1);Piece " 7 " font limiting card of grafting in the adjustment hole of ladder(10).The various shaft tower hanging ladder operations for adapting to 110kV 220kV tangent towers are used;Firmly install, carry, be convenient to mount and dismount, safety, be avoided that the generation of various hidden danger;Operating efficiency is increased substantially;Mechanical strength meets the existing various composite insulator requirements of lifting.

Description

Safeguard the hanging ladder of straight line composite insulation substring
Technical field
The utility model is related to a kind of hanging ladder for safeguarding straight line composite insulation substring.
Background technology
Substantial amounts of composite insulator is used on current power transmission circuit, it is necessary to synthesize exhausted along straight line when carrying out service work Edge substring is upper and lower;Generally there is two ways, one kind is directly to step on composite insulation substring up and down, and another kind is stepped on rope sling Under, it is not only difficult and dangerous big.People directly climbs composite insulator in Contraction in Site, and work efficiency is poor, particularly goes up cross-arm When easily cause pulled muscle.It is difficult to meet the security of this work, so as to influence development and the person of normal work Safety;Both operational methods all have potential safety hazard, and its consequence is very serious;More than 70 minutes need to be taken could complete three strings The maintenance work of insulator chain.
The content of the invention
The purpose of this utility model is to provide a kind of hanging ladder for safeguarding straight line composite insulation substring, to solve on power circuit The above-mentioned difficulties run into the work of maintenance maintenance straight line composite insulation substring.Reach upper and lower linear insulator chain both safe and efficient, Simultaneously when changing and safeguarding insulator chain, easy to operate effect.
Technical scheme:
Safeguard the hanging ladder of straight line composite insulation substring, including ladder, terraced shelves and hanging member, it is characterised in that ladder is used Piece square tube section makes, in the affixed hook in the upper end of ladder, the middle part and bottom of ladder respectively issued first group of adjustment hole and Second group of adjustment hole, every group of three holes;When the both sides of ladder are climbed by adult, carry leg is alternately fixed with least four apart from size Terraced shelves;Piece " 7 " font limiting card of grafting in the adjustment hole of ladder.
The hook curves semicircle, in the both sides of hook handle, the inclined steel of two blocks for being parallel to each other is welded with vertically, and make Hook handle is in the position of upper of two inclined steel, and a pilot hole is respectively provided near the two ends of the inclined steel below hook handle.
Position hook fixing hole corresponding with two pilot holes on inclined steel is provided near the upper end of ladder.
The terraced shelves are made of round steel, are connected in a screw connection manner with ladder.In the curved portions and hook arm of the hook It is set with insulated plastic expects pipe.Insulated plastic expects pipe is set with " 7 " the font limiting card.Every group of first group of regulation of three holes composition Ambroin set is set with hole and second group of ladder of adjustment hole position.
A hanging ladder for safeguarding straight line composite insulation substring is made in the manner described above, used time each part is not disassembled Merge management;When having arrived job site and using, hook, terraced shelves by bolt and nut and the affixed one of ladder, hook card is allowed Hook on cross arm of tower, nut is fixed during " 7 " font limiting card of bottom is inserted into suitable adjustment hole, and is stuck in position Power transmission line on, make hanging ladder be difficult swing, play stabilization hanging ladder effect.
Good effect of the present utility model is:The various shaft tower hanging ladder operations for adapting to 110kV-220kV tangent towers are used;Peace Dress is firm, carries, is convenient to mount and dismount, safety, is avoided that the generation of various hidden danger;Operating efficiency is increased substantially;Mechanical strength expires The existing various composite insulator requirements of foot lifting.
Brief description of the drawings
Fig. 1 is the hanging ladder shape and structural representation for safeguarding straight line composite insulation substring.
Fig. 2 is hook structure schematic diagram.
Fig. 3 is locking plate and hook connected mode schematic diagram on hook.
Fig. 4 lock plate structures and working method schematic diagram.
The arrangement open type figure of three class connecting holes on Fig. 5 ladders.
Fig. 6 is hanging ladder form schematic diagram in use.
Specific embodiment
Below in conjunction with accompanying drawing, as embodiment, technical scheme is further illustrated.
Reference picture 1,5, safeguards that the ladder 8 of the hanging ladder of straight line composite insulation substring uses a square stainless steel rectangular tube Material, referred to as square tube;This example square tube length is 3m, and cross sectional dimensions links up with 5 and five requirements of terraced shelves 1 to be adapted to fit.Ginseng According to perforate on two Fig. 5 corresponding in square tube sides, from bottom to top, three pores are arranged altogether, 3 holes of foot are first Group adjustment hole 9, upward 4th hole 1a, the 5th hole 1b, the 6th hole 1c, the tenth hole 1d and 11-holes 1e are the terraced shelves of installation successively 1 terraced shelves hole.Second group of adjustment hole 2 being made up of three holes between terraced shelves hole 1c and 1d, two groups of adjustment holes are all in use For selecting correct position grafting " 7 " font limiting card 10, it is necessary to two groups of regulation hole locations are set with ambroin sets, make It is anti-electric with conductive contact in;It is the hook fixing hole 3 for mounting hook 5 in two holes on the top of ladder 8.Reference picture 1, Five terraced shelves 1 and " 7 " font limiting card 10 are made using the round steel of diameter 12mm, terraced shelves 1 and " 7 " font limiting card 10 and The connecting portion in corresponding hole is fabricated to screw head, to be fixed on ladder 8 with nut.So, two groups of adjustment holes and five ladders Shelves Kong Jun is issued with the size that suitable above-mentioned round steel is passed through;The round steel for linking up with 5 material diameter 14mm makes.
Reference picture 1, in a manner described, this example selects five hanging ladders of the terraced structure of shelves 1, holds five terraced shelves successfully on ladder 8 After the hook fixing hole in hole, two groups of adjustment holes and top, the round steel of the diameter 12mm for getting ready, 5 sections are cut out as terraced shelves 1, Every section of length to adapt to riding above and leave abundant allowance and considering to determine for adult, the terraced shelves hole on insertion ladder 8 In one end be processed into threaded connector;One section is cut again and is bent into " 7 " font limiting card 10, connect with the adjustment hole on ladder 8 Socket part is also machined to nipple.
Reference picture 2,3, hook 5 be for shaft tower on cross-arm mount part;With the round steel of diameter 14mm, it is bent into Semicircular ring, the straight neck of hook 4 and hook arm 6 is pressed at the two ends of semicircular ring respectively, and two blocks of inclined steel are welded in the both sides of the neck of hook 4 side by side 4a, during welding, makes the neck of hook 4 of hook be in the upper edge of two inclined steel 4a, is fixedly connected with ladder 8 with without prejudice to hook 5, i.e., Two inclined steel form a clip slot after being welded on the neck of hook, the top energy clamp of ladder 8 is in this clip slot;2 are provided with inclined steel in advance Individual pilot hole 3a corresponding with the position of hook fixing hole 3 on ladder;Insulated plastic expects pipe is set with hook 5, is mainly used in increasing Plus friction is anti-skidding, while there is insulated electro.
Reference picture 3,4, the position of the shackle of hook 5 is close in the side of the inclined steel of either side, welds a screw 11, this Screw 11 is rotated on screw and installs a stainless steel substrates as locking plate 7, i.e. one end of locking plate 7 perpendicular to the side of inclined steel 4a A bayonet socket 7a is provided with the position corresponding position of screw 11;Meanwhile, a pinning 6a is welded in the end of the hook arm 6 of hook 5, pinning Position adapts to the requirement of the clamping of locking plate 7.
Reference picture 1,6, in order that reducing the amplitude of fluctuation of ladder in, it is ensured that safe operation requirement, makes " 7 " word Shape limiting card 10, for being inserted in selected adjustment hole, position is clipped in power transmission line 12 after determining, makes ladder 8 be difficult to swing Or reduce the amplitude of oscillation." 7 " font limiting card 10 will also be set with insulated plastic expects pipe, be stuck in use on wire every electricity, it is ensured that safety.
Reference picture 6, when using, scene in each terraced shelves hole on ladder 8, is fixed five terraced shelves 1 with nut. Make five terraced 1 point of both sides of row ladder of shelves, strike a bargain and arranged for rising form.Again hook 5 with two screws, by inclined steel 4 Two pilot hole 3a, installed in the upper end of ladder, fix firm and solid with nut." 7 " font limiting card 10 be inserted in position with In the adjustment hole of the flush of power transmission line 12 on shaft tower, and the card handle of " 7 " font limiting card 10 is allowed to be stuck in the opposite side of power transmission line, The bayonet socket formed i.e. between " 7 " font limiting card 10 and ladder 8 is straddled on power transmission line 12.And link up with 5 hook arm 6 reach it is to be repaired The cross-arm 14 that is close to of the side of straight line composite insulation substring 13 on, be rotated further by locking plate 7, the bayonet socket 7a on locking plate is clamped on the end of hook arm 6 On the pinning 6a in portion.Maintenance can be carried out or safeguard the work of insulator chain.So hanging ladder top has hook to be fastened on cross-arm, Bottom limited location card 7 is spacing on power transmission line, and hanging ladder is just stablized, and staff is safe by hanging ladder up or down, it is to avoid from straight The danger climbed on line composite insulation substring;It is easy to operate and the problem in edge substring or circuit is changed absolutely in maintenance.
After maintenance work terminates, hanging ladder is removed, each terraced shelves 1, " 7 " font limiting card 10 and hook 5 is unloaded down, Neat to place, overall weight only has 3 kilograms, is fitted into bag or in case, and ladder 8 is individually placed, and transport and management are all very convenient.

Claims (7)

1. the hanging ladder of straight line composite insulation substring, including ladder, terraced shelves and hanging member are safeguarded, it is characterised in that ladder(8)Adopt Made of a square tube section, in the affixed hook in the upper end of ladder(5), first group of regulation has respectively been issued in the bottom and middle part of ladder Hole(9)With second group of adjustment hole(2), every group of three holes;Ladder(8)Both sides when being climbed by adult, carry replacing apart from size for leg It is fixed with least four terraced shelves(1);Piece " 7 " font limiting card of grafting in the adjustment hole of ladder(10).
2. the hanging ladder for safeguarding straight line composite insulation substring according to claim 1, it is characterised in that the hook(5)Curve Semicircle, in hook handle(4)Both sides, the inclined steel of two blocks for being parallel to each other is welded with vertically(4a), and make hook handle(4)It is in The position of upper of two inclined steel, a pilot hole is respectively provided near the two ends of the inclined steel below hook handle(3a).
3. the hanging ladder for safeguarding straight line composite insulation substring according to claim 1, it is characterised in that in ladder(8)Upper end Nearby it is provided with two pilot holes on position and inclined steel(3a)Corresponding hook fixing hole(3).
4. the hanging ladder for safeguarding straight line composite insulation substring according to claim 1, it is characterised in that the terraced shelves(1)Using Round steel is made, with ladder(8)Connect in a screw connection manner.
5. the hanging ladder for safeguarding straight line composite insulation substring according to claim 1, it is characterised in that the hook(5)Arc Shape portion and hook arm(6)On be set with insulated plastic expects pipe.
6. the hanging ladder for safeguarding straight line composite insulation substring according to claim 1, it is characterised in that " 7 " font is spacing Card(10)On be set with insulated plastic expects pipe.
7. the hanging ladder for safeguarding straight line composite insulation substring according to claim 1, it is characterised in that every group of three holes composition First group of adjustment hole(9)With second group of adjustment hole(2)Ambroin set is set with the ladder of position.
CN201621219224.2U 2016-11-14 2016-11-14 Safeguard the hanging ladder of straight line composite insulation substring Active CN206267776U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201621219224.2U CN206267776U (en) 2016-11-14 2016-11-14 Safeguard the hanging ladder of straight line composite insulation substring

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201621219224.2U CN206267776U (en) 2016-11-14 2016-11-14 Safeguard the hanging ladder of straight line composite insulation substring

Publications (1)

Publication Number Publication Date
CN206267776U true CN206267776U (en) 2017-06-20

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CN201621219224.2U Active CN206267776U (en) 2016-11-14 2016-11-14 Safeguard the hanging ladder of straight line composite insulation substring

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CN (1) CN206267776U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109386230A (en) * 2018-12-03 2019-02-26 国网安徽省电力有限公司滁州供电公司 A kind of new take-off formula conducting wire hanging ladder

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109386230A (en) * 2018-12-03 2019-02-26 国网安徽省电力有限公司滁州供电公司 A kind of new take-off formula conducting wire hanging ladder

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