CN105633854B - A kind of electric power overhead aluminum stranded conductor insulating ladder shoe - Google Patents

A kind of electric power overhead aluminum stranded conductor insulating ladder shoe Download PDF

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Publication number
CN105633854B
CN105633854B CN201610042908.8A CN201610042908A CN105633854B CN 105633854 B CN105633854 B CN 105633854B CN 201610042908 A CN201610042908 A CN 201610042908A CN 105633854 B CN105633854 B CN 105633854B
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China
Prior art keywords
hook
activity
power overhead
electric power
insulating ladder
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CN201610042908.8A
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Chinese (zh)
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CN105633854A (en
Inventor
刘鹏
祝倩龄
王以武
陆承东
毛阳青
孙斐
朱健祺
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.)
JIANGSHAN ELECTRIC POWER DEVELOPMENT Co Ltd
State Grid Corp of China SGCC
Quzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Jiangshan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
JIANGSHAN ELECTRIC POWER DEVELOPMENT Co Ltd
State Grid Corp of China SGCC
Quzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Jiangshan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
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Application filed by JIANGSHAN ELECTRIC POWER DEVELOPMENT Co Ltd, State Grid Corp of China SGCC, Quzhou Power Supply Co of State Grid Zhejiang Electric Power Co Ltd, Jiangshan Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical JIANGSHAN ELECTRIC POWER DEVELOPMENT Co Ltd
Priority to CN201610042908.8A priority Critical patent/CN105633854B/en
Publication of CN105633854A publication Critical patent/CN105633854A/en
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Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02GINSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G1/00Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
    • H02G1/02Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables

Abstract

A kind of electric power overhead aluminum stranded conductor insulating ladder shoe, main two ladder bars being made up of insulating materials of described insulating ladder and some stiles are constituted, shoe is provided with the insulating ladder, the shoe is fixed in ladder bars by the carriage at the respective back side respectively including two, front offers the channel-section steel bar of notch, vallecular cavity is provided with anti-skidding fixed mechanism by a spring inside the channel-section steel, described anti-skidding fixed mechanism includes a fixation hook plate and an activity hook plate with activity hook with fixed hook positioned opposite up and down, wherein described fixation hook and activity hook is respectively semi-circular ring and one is formed after positioned opposite can be by the retainer ring in electric power overhead aluminum stranded conductor ring admittedly its;It has it is simple in construction, it is easy to use, invest small, can not only effectively prevent the insulating ladder that is erected on power overhead network from occurring to break away, glide, after turn over, moreover it is possible to prevent power overhead network when insulating ladder is used the features such as frictionally damage.

Description

A kind of electric power overhead aluminum stranded conductor insulating ladder shoe
Technical field
The present invention relates to a kind of electric power overhead aluminum stranded conductor insulating ladder shoe, belong to Electric Power Line Overhaul tool technique neck Domain.
Technical background
In overhead transmission line maintenance process, insulating ladder is the indispensable ascending tool of maintainer, it is often necessary to by insulating ladder Directly it is erected on overhead transmission line and uses, and the insulating ladder structure used at present is identical with common single ladder, in use not Possess it is anti-break away, glide, after the function turned over, and need other people to aid in fixing in use, it is most important that ladder exists Constantly rubbed during use with circuit generation, cause circuit deformation, damage, be more seriously easy generation strand breakage of circuit.
The content of the invention
The purpose of the present invention is exactly easy to use, the throwing to solve above-mentioned the deficiencies in the prior art there is provided one kind is simple in construction Money is small, can not only effectively prevent the insulating ladder that is erected on power overhead network from occurring to break away, glide, after turn over, moreover it is possible to prevent electricity The power overhead network insulating ladder shoe of power overhead transmission line frictionally damage when insulating ladder is used.
In order to solve the above technical problems, the technical solution adopted in the present invention is:A kind of electric power overhead aluminum stranded conductor insulating ladder Shoe, described main two ladder bars being made up of insulating materials of insulating ladder and some stiles are constituted, the insulating ladder On be provided with shoe, the shoe include two respectively by the carriage at the respective back side be fixed on it is in ladder bars, Front offers the channel-section steel bar of notch, and vallecular cavity is provided with anti-skidding fixed mechanism by a spring inside the channel-section steel bar, described Anti-skidding fixed mechanism includes a fixation hook plate and one with fixed hook positioned opposite up and down and carries activity hook Activity hook plate, wherein described fixation hook and activity hook is respectively semi-circular ring and formation one can after positioned opposite By the retainer ring in electric power overhead aluminum stranded conductor ring admittedly its.
As preferred:Described anti-skidding fixed mechanism is also placed in inside channel-section steel bar in vallecular cavity including one, determining on spring The fixed hook plate is installed with the top of position channel-section steel, the locating slot steel, the bottom of locating slot steel is mounted with a top pressure bullet The activity hook plate is equipped with above spring, the top pressure spring and makes the activity hook plate upward in the presence of top pressure spring Top pressure in fixed hook plate, one manually control wirerope two ends respectively from both sides channel-section steel bar lower end after the spring, pass through Locating slot steel bottom is connected with activity hook plate.
As preferred:The channel-section steel bar passes through a side opening and the carriage that can be installed in ladder bars, used respectively up and down Adjusting screw rod is fastened in ladder bars;Evagination is connected to before the fixed hook plate and overhanging from the notch of locating slot steel front Fixation hook, the fixation hook is made up of a downwardly open semicircular ring, and is also connected to before activity hook plate Evagination and overhanging activity hook from the notch of locating slot steel front, the activity hook by two upward openings, centre leaves The semicircular ring in space is constituted, and the upward stress of activity hook make it that fixing hook passes through a space in the presence of top pressure spring Formation agrees with completely;Anti-slip rubber set is also equipped with respectively in described fixation hook and activity hook.
Power overhead network can be nested with by the present invention to be agreed with the space that fixed hook and activity hook are formed Portion, when insulating ladder has sideslip tendency to occur, fixed hook oppresses downwards power overhead network, and activity hook oppresses electric power upwards Overhead transmission line, in the presence of the two different directions dislocation power, makes power overhead network have the tendency of bending, this can increase electricity Frictional force between power overhead transmission line and hook, three hook structure undersides cunning power is bigger, and the frictional force that hook is provided is bigger, its Consistently greater than skid force is effectively overcome the generation of sideslip by frictional force;Insulation rubber sleeve saves the ability of insulation in hook, And because the characteristic of rubber can effectively prevent the frictionally damage of hook hard rigid material and power overhead network, twisted to overhead aluminum Line provides protection, additionally it is possible to increase frictional force.It is whole that the control method of dual spring list wirerope drop-down can allow user of service individually to complete Individual insulating ladder takes shifting work, and personnel can just control without ascending stair in lower section, use it is simple and convenient, it is safer.
The present invention can effectively prevent the insulating ladder that is erected on power overhead network from breakking away, glide, after turn over;Especially can Prevent frictionally damage of the aluminum stranded conductor when insulating ladder is used;It is easy to use, reliable with simple in construction, invest small, using effect The features such as good.
Brief description of the drawings
Fig. 1 is the use structural representation of the present invention.
Fig. 2 is overall structure diagram of the present invention.
Fig. 3 is the structural representation of shoe of the present invention.
Fig. 4 is the decomposition texture schematic diagram of anti-skid fixed structure of the present invention.
Embodiment
Below in conjunction with accompanying drawing, the present invention will be described in detail:Shown in Fig. 1, a kind of electric power overhead aluminium of the present invention Twisted wire insulating ladder shoe, described main two ladder bars 1 being made up of insulating materials of insulating ladder and some 2 groups of stiles Into being provided with shoe 3 on the insulating ladder, insulating ladder is fixed on electric power overhead aluminum stranded conductor 5 by the shoe 3 On.
Fig. 2, shown in 3, shoe 3 of the present invention is fixed on by the carriage 31 at the respective back side respectively including two In ladder bars 1, front offers the channel-section steel bar 32 of notch, is provided with the inside vallecular cavity of channel-section steel bar 32 by a spring 33 anti-skidding Fixed mechanism 4, described anti-skidding fixed mechanism 4 includes a fixation hook plate with fixed hook 41 positioned opposite up and down 42 and one carry activity hook 43 activity hook plate 44, wherein described fixation hook 41 and activity hook is respectively semicircular ring Body simultaneously can be by the retainer ring in electric power overhead aluminum stranded conductor ring 5 admittedly its in rear formation one positioned opposite.
Shown in figure, described anti-skidding fixed mechanism 4 is also placed in the inside vallecular cavity of channel-section steel bar 32, on spring 33 including one Locating slot steel 45, the top of the locating slot steel 45 is installed with the fixed hook plate 42, the bottom peace of locating slot steel 45 A top pressure spring 46 is equipped with, the activity hook plate 44 is equipped with above the top pressure spring 46 and in the presence of top pressure spring 46 Make the upward top pressure of the activity hook plate 44 in fixed hook plate 42, one controls the two ends of wirerope 6 respectively from both sides channel-section steel manually The lower end of bar 32 is connected after the spring 33, through the bottom of locating slot steel 45 with activity hook plate 44.
Channel-section steel bar 32 of the present invention up and down respectively by a side opening and the carriage 31 that can be installed in ladder bars 1, It is fastened on adjusting screw rod in ladder bars 1;Evagination is connected to before the fixed hook plate 42 and from the front groove of locating slot steel 45 Overhanging fixation hook 41 in mouthful, the fixation hook 41 is made up of a downwardly open semicircular ring, and in activity hook plate 44 Before be also connected to evagination and overhanging activity hook 43 from the notch of locating slot steel front, the activity hook 43 from two to Upper shed, the middle semicircular ring for leaving space is constituted, and the upward stress of activity hook 43 causes in the presence of top pressure spring 46 Fixed hook 41 passes through a space and formed agrees with completely;Also installed respectively in described fixation hook 41 and activity hook 43 There is anti-slip rubber to cover 47.
Described anti-skidding fixed mechanism 4 loads from the upper end open of channel-section steel bar 32, and in the upper surface screw of channel-section steel bar 34 have been fixed on cover plate 35.
In use, when electric power overhead aluminum stranded conductor 5 has need of work to use insulating ladder, first adjusting carriage 31 anti-skidding by two Device 3 is separately fixed in ladder bars 1, is then taken insulating ladder and is put on electric power overhead aluminum stranded conductor 5, then shoe 3 is distinguished Enter row distance regulation.
If adjusting the shoe 3 on the right, the control wirerope 6 manually of lower section tension to the left is needed, drives right side anti-skidding solid The activity hook plate 44 determined in mechanism 4 is moved downward, and compresses top pressure spring 46 so that activity hook 43 and fixed 41 points of hook From.If fixed hook 41 and the distance of electric power overhead aluminum stranded conductor 5 are enough, electric power overhead aluminum stranded conductor 5 is embedded into fixation and grab Hook in 41, unclamp the control wirerope 6 release elastic force of top pressure spring 46 manually, making activity hook 43, electric power overhead aluminium is withstood in motion upwards The lower section of twisted wire 5, and with fixed hook 41 agree with by the ring of electric power overhead aluminum stranded conductor 5 it is solid fixed hook 41 and activity hook 43 it Between;If 4 electric power overhead aluminum stranded conductors 5 are still in the lower section of fixed hook 41, continue lower section to the left and tense control wirerope 6 manually, Activity hook plate 44 continues compression top pressure spring 46 in the presence of the control pulling force of wirerope 6 manually and moved, until activity hook plate 44 bottoms for being pulled to the groove of locating slot steel 45 can not be moved, and now fix the distance between hook 41 and activity hook 43 maximum, It is further continued for lower section to the left and tenses control wirerope 6 manually, then shoe 3 is overall presses in the presence of the control pulling force of wirerope 6 manually Contracting spring 33 is moved, until moving electric power overhead aluminum stranded conductor 5 to can be embedded between fixed hook 41 and activity hook 43, unclamps manual Wirerope 6 is controlled, spring 33 and top pressure spring 46 recover elastic force and drive the overall motion upwards of shoe 3 simultaneously so that activity is grabbed 43 lower sections for withstanding electric power overhead aluminum stranded conductor 5 are hooked, lifting insulating ladder and rearward pulling makes to fix hook 41 and the contract of activity hook 43 The ring of electric power overhead aluminum stranded conductor 5 is consolidated in conjunction.
The shoe 3 on the adjustment left side then needs to tense control wirerope 6 manually, remaining step and above-mentioned steps to the right It is identical.
When electric power overhead aluminum stranded conductor end-of-job needs to remove insulating ladder, it is only necessary to pull wirerope 6 again so that fixed Hook 41 is separated with activity hook 43, insulating ladder of moving.

Claims (3)

1. a kind of electric power overhead aluminum stranded conductor insulating ladder shoe, main two ladders being made up of insulating materials of described insulating ladder Shoe is provided with bar and some stile compositions, the insulating ladder, it is characterised in that the shoe includes two The channel-section steel bar that in ladder bars, front offers notch is fixed on by the carriage at the respective back side respectively, inside the channel-section steel bar Vallecular cavity is provided with anti-skidding fixed mechanism by a spring, and described anti-skidding fixed mechanism includes positioned opposite one carrying up and down The fixation hook plate of fixed hook and an activity hook plate with activity hook, wherein described fixation hook and activity hook Respectively semi-circular ring and one is formed after positioned opposite can be by the solid retainer ring in it of electric power overhead aluminum stranded conductor ring.
2. electric power overhead aluminum stranded conductor insulating ladder shoe according to claim 1, it is characterised in that described is anti-skidding solid Determine mechanism be also placed in including one inside channel-section steel bar in vallecular cavity, the locating slot steel on spring, peace is fixed at the top of the locating slot steel Equipped with the fixed hook plate, the bottom of locating slot steel is mounted with a top pressure spring, the work is equipped with above the top pressure spring Dynamic hook plate simultaneously makes the upward top pressure of activity hook plate control steel manually in fixed hook plate, one in the presence of top pressure spring The two ends of cable are connected from both sides channel-section steel bar lower end after the spring, through locating slot steel bottom with activity hook plate respectively Connect.
3. electric power overhead aluminum stranded conductor insulating ladder shoe according to claim 2, it is characterised in that the channel-section steel bar It is fastened on respectively by a side opening and the carriage that can be installed in ladder bars, with adjusting screw rod in ladder bars up and down;The fixation Be connected to evagination and overhanging fixation hook from the notch of locating slot steel front before hook plate, the fixation hook from one to The semicircular ring of under shed is constituted, and evagination is also connected to before activity hook plate and overhanging from the notch of locating slot steel front Activity hook, the activity hook is made up of two upward openings, the middle semicircular ring for leaving space, in the work of top pressure spring To fix hook and pass through a space and formed with the lower upward stress of activity hook to agree with completely;Described fixation hook and work Anti-slip rubber set is also equipped with respectively in dynamic hook.
CN201610042908.8A 2016-01-22 2016-01-22 A kind of electric power overhead aluminum stranded conductor insulating ladder shoe Active CN105633854B (en)

Priority Applications (1)

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CN201610042908.8A CN105633854B (en) 2016-01-22 2016-01-22 A kind of electric power overhead aluminum stranded conductor insulating ladder shoe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610042908.8A CN105633854B (en) 2016-01-22 2016-01-22 A kind of electric power overhead aluminum stranded conductor insulating ladder shoe

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CN105633854B true CN105633854B (en) 2017-10-03

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113266266B (en) * 2021-05-31 2023-01-31 青海送变电工程有限公司 Transmission line overhauls uses cat ladder

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006112216A (en) * 2004-09-17 2006-04-27 Sapporo Sanki Kk Ladder
CN201802300U (en) * 2010-09-30 2011-04-20 辽宁省电力有限公司营口供电公司 Self-tight folded hanging ladder
CN202266184U (en) * 2011-09-21 2012-06-06 博爱县电业公司 Electric power overhaul ladder
CN103195355A (en) * 2013-04-01 2013-07-10 国家电网公司 Insulation ladder sealing door
CN103422808A (en) * 2013-07-24 2013-12-04 河南省电力公司信阳供电公司 Electric transmission line maintenance crawling ladder
CN203377550U (en) * 2013-08-29 2014-01-01 国家电网公司 Insulated single ladder with hold hoop device
CN203701938U (en) * 2014-01-16 2014-07-09 国家广播电影电视总局九五三台 Special ladder for feeder maintenance
CN104314459A (en) * 2014-10-31 2015-01-28 国家电网公司 Self-locking rope ladder
CN205319608U (en) * 2016-01-22 2016-06-15 国家电网公司 Insulating terraced antiskid of built on stilts aluminum stranded conductor of electric power

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006112216A (en) * 2004-09-17 2006-04-27 Sapporo Sanki Kk Ladder
CN201802300U (en) * 2010-09-30 2011-04-20 辽宁省电力有限公司营口供电公司 Self-tight folded hanging ladder
CN202266184U (en) * 2011-09-21 2012-06-06 博爱县电业公司 Electric power overhaul ladder
CN103195355A (en) * 2013-04-01 2013-07-10 国家电网公司 Insulation ladder sealing door
CN103422808A (en) * 2013-07-24 2013-12-04 河南省电力公司信阳供电公司 Electric transmission line maintenance crawling ladder
CN203377550U (en) * 2013-08-29 2014-01-01 国家电网公司 Insulated single ladder with hold hoop device
CN203701938U (en) * 2014-01-16 2014-07-09 国家广播电影电视总局九五三台 Special ladder for feeder maintenance
CN104314459A (en) * 2014-10-31 2015-01-28 国家电网公司 Self-locking rope ladder
CN205319608U (en) * 2016-01-22 2016-06-15 国家电网公司 Insulating terraced antiskid of built on stilts aluminum stranded conductor of electric power

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