CN101771248A - Rotary insulating ladder for distribution line live working - Google Patents
Rotary insulating ladder for distribution line live working Download PDFInfo
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- CN101771248A CN101771248A CN200810204838A CN200810204838A CN101771248A CN 101771248 A CN101771248 A CN 101771248A CN 200810204838 A CN200810204838 A CN 200810204838A CN 200810204838 A CN200810204838 A CN 200810204838A CN 101771248 A CN101771248 A CN 101771248A
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Abstract
The invention discloses a rotary insulating ladder for distribution line live working, which comprises a platform connecting seat frame, an insulating platform, a pair of platform support rods, a vertical ladder, a pair of vertical ladder brace rods, a small vertical ladder platform, a hoop device, a rotary device and a safety device. Different from the traditional insulating platform, the rotary insulating ladder for distribution line live working of the invention has large action radius (360-degree rotation), high bearing capacity, vertical working range which can be larger than human body height, good stability, convenient installation and flexible operation, and is incomparable with other insulation platforms. The rotary insulating ladder widens the working range of live working, makes the region on which the live working can not be performed safely and conveniently realize live working, greatly improves the safe operation of the line, and reduces and avoids the power failure construction on the regions.
Description
Technical field
The present invention relates to a kind of power tool of power industry, be specifically related to a kind of rotary insulating ladder that is used for distribution line live working.
Background technology
Live line working is meant the work of carrying out on equipment that does not have to have a power failure or circuit.For example on charged electric equipment or circuit, with special method (as with methods of operation such as insulating bar, equipotential, water flushings) test, safeguard, the work that changes of maintenance and individual parts.
Urban area 10kV distribution line live working mainly utilizes aerial lift device with insulated arm to adopt the insulating gloves operation to carry out, yet be subjected to the restriction of high-altitude bucket arm vehicle operating radius, vehicle can't enter field, greenbelt, lane, lane etc. to some engineering projects and carry out the live line working overlap joint.If adopt the mode that has a power failure to carry out, it is reliable so just to have influenced power supply.For this reason, the insider has also developed the operating type of insulating bar overlap joint electric power wire clamp, but because the insulating bar working system is equipped with the operation intention that metal-ware is passed on operating personnel by insulating bar, it is relatively poor to compare insulating gloves method operation accuracy and flexibility.In addition,, adopt insulating bar to carry out the peeling operation and damage core easily, so this method is only applicable to plain conductor, be not suitable for the JKLYJ insulated conductor of generally promoting now because current 10kV insulated conductor insulating barrier has certain degree of eccentricity.Again because insulating ladder in the past substantially all is flat ladder, can not carry out far away, in-plant adjusting, operating radius is little, the operating personnel can only stand in flat ladder and go up and unsettledly carry out live line working, and safety belt and auxiliary catch all tie up on the electric pole, and the operating personnel stands on the platform and operates, coefficient of safety is poor, for some projects than long radius, just operation reluctantly, operating risk is big.
Summary of the invention
The objective of the invention is in order to overcome the deficiencies in the prior art, provide a kind of safe, be used for the rotary insulating ladder of distribution line live working reliably, easily, it can solve under the situation that the high-altitude bucket arm vehicle can not deeply put in place effectively, can't carry out the project of operation and problem that must the power failure operation to the certain operations bar.
A kind of technical scheme that realizes above-mentioned purpose is: a kind of rotary insulating ladder that is used for distribution line live working, comprise that a platform connects mounting, an insulated platform, a pair of platform support bar, a cat ladder, a pair of cat ladder stay bolt bar, a cat ladder chain-wales, anchor ear device, whirligig and safeties, wherein
Described platform connects mounting and comprises two band arcs up and down and cross bar and two montants that are connected across on the cross bar that be made of the double layer of metal plate;
Described insulated platform comprise a pair of outer end be fixedly connected on described platform connect the mounting upper end the cross bar two ends support rail and be fixed on the landing slab that is the level of state on the support rail;
The lower end of described a pair of platform support bar is fixedly connected on the cross bar two ends that described platform connects the mounting lower end, and the upper end is fixedly connected on the inner of the support rail of described insulated platform;
Described cat ladder is an aerial ladder, and the lower end of its two heel posts is fixedly connected on the inner of the support rail of described insulated platform;
The two ends up and down of described a pair of cat ladder stay bolt bar are fixedly connected on the outer end of the support rail of the top of described cat ladder and insulated platform respectively, so that the column of described cat ladder and the angle between the insulated platform are greater than 90 °;
One end of described cat ladder chain-wales is fixed on the top of cat ladder, and the other end is connected with the lower end of a guard bar of erectting, and the upper end of this guard bar is connected with the upper end of cat ladder, so that the horizontal setting of this cat ladder chain-wales;
Described anchor ear device is fixed between the double layer of metal plate of the cross bar on the described platform connection mounting, and it comprises a roller bearing wheel chain and a banding adjusting device;
Described whirligig comprises that being located at described platform connects the mounting mounting roller bearing wheel between the double layer of metal plate of the cross bar at two ends up and down;
Described safeties are fixed on the upper surface that described platform connects the cross bar of mounting upper end, and it comprises an insurance chain and adjusting device for chains.
The above-mentioned rotary insulating ladder that is used for distribution line live working, wherein, the height of described cat ladder is 2 meters, described cat ladder chain-wales is located at 1.2～1.4 meters eminences of cat ladder.
The above-mentioned rotary insulating ladder that is used for distribution line live working, wherein, the adjustable in length of described cat ladder stay bolt bar is so that the column of cat ladder and the angle between the insulated platform are between 94～110 °.
The above-mentioned rotary insulating ladder that is used for distribution line live working, wherein, the support shelves of described insulated platform support rail, platform support bar and cat ladder chain-wales are the fiberglass extubation tube.
The another kind of technical scheme that realizes above-mentioned purpose is: a kind of distribution line live working method that is used for, be medial potential working method or indirect operating method, this method adopts above-mentioned rotary insulating ladder, security tool and supplementary insulation equipment, earlier climb up electric pole and fix rotary insulating ladder by the anchor ear device at correct position by operation electrician on an insulating gloves working system electrician and the bar, then climb up insulated platform by an insulating gloves working system electrician, the operation electrician forwards job position around electric pole driven rotary type insulating ladder to until insulated platform on another bar, hold around and tighten up safeties then, climb up the cat ladder chain-wales by insulating gloves working system electrician at last and enter electric field and realize direct live line working.
The above-mentioned distribution line live working method that is used for, wherein, described security tool comprises that one is wrapped in the safety belt of insulating gloves working system electrician waist, before operation, one of the safety rope on the safety belt is hooked on electric pole or other members, the other end still is connected with safety belt, the waist rope is tied up on the cat ladder after climbing up the cat ladder chain-wales again.
The above-mentioned distribution line live working method that is used for, wherein, described supplementary insulation equipment comprises that insulated should padding or insulation clothing and insulating gloves are to realize the intermediate potential live line working.
The technical scheme that is used for the rotary insulating ladder of distribution line live working of the present invention, the high-altitude bucket arm vehicle that this rotary insulating ladder is different from the past, it has radius of action big (360 degree rotation), bearing capacity is big, vertical working range can be greater than person height, and good stability, easy for installation, flexible operation is that other insulated platform institute is incomparable.This rotary insulating ladder has enlarged the working range of live line working, make some regions that in the past can not carry out live line working can carry out live line working safely, easily, improved the line security operation greatly, reduce and avoided the power cut construction of these regions, made further assurance for improving power supply reliability.
Description of drawings
Fig. 1 is the structural representation that is used for the rotary insulating ladder of distribution line live working of the present invention;
Fig. 2 is that the A of Fig. 1 is to view.
Embodiment
See also Fig. 1 and Fig. 2, the rotary insulating ladder that is used for distribution line live working of the present invention, comprise that a platform connects mounting 1, an insulated platform 2, a pair of platform support bar 3, a cat ladder 4, a pair of cat ladder stay bolt bar 5, a cat ladder chain-wales 6, an anchor ear device 7, a whirligig 8, safeties 9 and a hoop 10, wherein
Platform connects mounting 1 and comprises two cross bars 11 and two montants 12 that are connected across on the cross bar 11 up and down, and cross bar 11 is made of the double layer of metal plate, and has the arc that mates with electric pole;
The lower end of a pair of platform support bar 3 is fixedly connected on cross bar 11 two ends that platform connects mounting 1 lower end, and the upper end is fixedly connected on the inner of the support rail 21 of insulated platform 2;
Cat ladder 4 is an aerial ladder, and the lower end of its two heel posts is fixedly connected on the inner of the support rail 21 of insulated platform 2, and the height of cat ladder 4 is 2 meters;
The two ends up and down of a pair of cat ladder stay bolt bar 5 are fixedly connected on the outer end of the support rail 21 of the top of cat ladder 4 and insulated platform 2 respectively, so that the angle between the landing slab 22 of the column of cat ladder 4 and insulated platform 2 is greater than 90 °; The bottom of cat ladder stay bolt bar 5 is interval with some installing holes, and be convenient to it and regulate length, so that the angle between the landing slab 22 of the column of cat ladder 4 and insulated platform 2 is between 94～110 °, thus the expansion job area.
One end of cat ladder chain-wales 6 is fixed on the top of cat ladder 4, the other end is connected with the lower end of a guard bar 40 of erectting, the upper end of this guard bar 40 is connected with the upper end of cat ladder 4, so that these cat ladder chain-wales 6 horizontal settings, cat ladder chain-wales 6 is located at 1.2～1.4 meters eminences of cat ladder 4, is convenient to the operating personnel and stands and fasten the safety belt;
Insulated platform support rail 21, platform support bar 3, and the support shelves of cat ladder chain-wales 6 be the fiberglass extubation tube.
Anchor ear device 7 is fixed on platform and connects between the double layer of metal plate of cross bar 11 of mounting 1 upper end, and it comprises a roller bearing wheel chain 71 and a banding adjusting device 72; Banding adjusting device 72 is used to emit or tighten up the length of roller bearing wheel chain 71, is convenient to be installed on the electric pole of different-diameter; Roller bearing wheel chain 71 surrounds after the electric pole, can make roller bearing wheel chain 71 banding electric poles by the nut of regulating on the banding adjusting device 72.
Whirligig comprises that being located at the mounting roller bearing that platform connects between the double layer of metal plate of cross bar 11 at mounting two ends 1 about takes turns 80; So that connecting mounting 1, platform drives whole rotary insulating ladder around 360 ° of rotations of aerial pole do.Roller bearing wheel 70 on whirligig 8 and the anchor ear device 7 cooperates, and the contact-making surface that makes rotary insulating ladder and electric pole all is the roller bearing wheel, generation be rolling friction, frictional force is little, rotates to make things convenient for.
When the rotary insulating ladder that is used for distribution line live working of the present invention rotated, an operating personnel squatted on insulated platform 2, lowers the center of gravity, and is convenient to stablize personnel's driven rotary type insulating ladder on another bar.Because rotary insulating ladder all is roller with contacting of electric pole, so frictional force is very little, if on bar personnel just easily the driven rotary type insulating ladder round 360 ° of rotations of electric pole do.
Simple in structure, easy to process, the assembling of the rotary insulating ladder that is used for distribution line live working of the present invention flexibly, the operating personnel is stably stood erectly, safety belt and safety rope tie up to respectively on rotary insulating ladder and electric pole or the member, be convenient to operation, meet the regulation of electric industry safety regulations.Require and design guide rule GB/T18037-2000 and the requirement of electrical safe working order promulgated by the ministries or commissions of the Central Government regulation according to the tools for live working basic fundamental.Carry out power frequency withstand test and dynamic load test, when the withstand voltage test spacing was 400mm, voltage was that 45kv/5min does not have flashover, no phenomenon such as overheated.Dynamic load test 3.5KN/5min not damaged, no flexural deformation.Meet GB/T18037-2000 and safety regulations about the electric of insulating tool and mechanical test standard-required.
The distribution line live working method that is used for of the present invention, be direct operation method or indirect operating method, this method adopts above-mentioned rotary insulating ladder, safety belt, safety rope, carriage and supplementary insulation equipment, earlier climb up electric pole and fix rotary insulating ladder by the anchor ear device at correct position by operation electrician on an insulating gloves working system electrician and the bar, then climb up insulated platform by an insulating gloves working system electrician, the operation electrician forwards job position around electric pole driven rotary type insulating ladder to until insulated platform on another bar, hold around and tighten up safeties then, climb up the cat ladder chain-wales by insulating gloves working system electrician at last and enter electric field and realize direct live line working.
Safety belt is wrapped on insulating gloves working system electrician's the waist and insulation cat ladder, and two of safety rope ties up to respectively on safety belt and electric pole or other members, is used to strengthen insulating gloves working system electrician's a coefficient of safety.
Carriage can be installed on the montant 12 and electric pole that platform connects mounting 1 lower end, is attached to steadiness and fail safe on the electric pole to strengthen rotary insulating ladder, and its load is big, thereby has improved coefficient of safety.
The supplementary insulation equipment comprises insulated should padding or insulation clothing and insulating gloves, climbs up the insulating gloves working system electrician's of insulated platform intermediate potential live line working in order to realization.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the present invention, and be not to be used as limitation of the invention, as long as in connotation scope of the present invention, all will drop in claims scope of the present invention variation, the modification of the above embodiment.
Claims (7)
1. rotary insulating ladder that is used for distribution line live working, comprise that a platform connects mounting, an insulated platform, a pair of platform support bar, a cat ladder, a pair of cat ladder stay bolt bar, a cat ladder chain-wales, anchor ear device, whirligig and safeties, it is characterized in that
Described platform connects mounting and comprises two band arcs up and down and cross bar and two montants that are connected across on the cross bar that be made of the double layer of metal plate;
Described insulated platform comprise a pair of outer end be fixedly connected on described platform connect the mounting upper end the cross bar two ends support rail and be fixed on the landing slab that is the level of state on the support rail;
The lower end of described a pair of platform support bar is fixedly connected on the cross bar two ends that described platform connects the mounting lower end, and the upper end is fixedly connected on the inner of the support rail of described insulated platform;
Described cat ladder is an aerial ladder, and the lower end of its two heel posts is fixedly connected on the inner of the support rail of described insulated platform;
The two ends up and down of described a pair of cat ladder stay bolt bar are fixedly connected on the outer end of the support rail of the top of described cat ladder and insulated platform respectively, so that the column of described cat ladder and the angle between the insulated platform are greater than 90 °;
One end of described cat ladder chain-wales is fixed on the top of cat ladder, and the other end is connected with the lower end of a guard bar of erectting, and the upper end of this guard bar is connected with the upper end of cat ladder, so that the horizontal setting of this cat ladder chain-wales;
Described anchor ear device is fixed between the double layer of metal plate of the cross bar on the described platform connection mounting, and it comprises a roller bearing wheel chain and a banding adjusting device;
Described whirligig comprises that being located at described platform connects the mounting mounting roller bearing wheel between the double layer of metal plate of the cross bar at two ends up and down;
Described safeties are fixed on the upper surface that described platform connects the cross bar of mounting upper end, and it comprises an insurance chain and adjusting device for chains.
2. the rotary insulating ladder that is used for distribution line live working according to claim 1 is characterized in that, the height of described cat ladder is 2 meters, and described cat ladder chain-wales is located at 1.2～1.4 meters eminences of cat ladder.
3. the rotary insulating ladder that is used for distribution line live working according to claim 1 is characterized in that, the adjustable in length of described cat ladder stay bolt bar is so that the column of cat ladder and the angle between the insulated platform are between 94～110 °.
4. the rotary insulating ladder that is used for distribution line live working according to claim 1 is characterized in that, the support shelves of described insulated platform support rail, platform support bar and cat ladder chain-wales are the fiberglass extubation tube.
5. one kind is used for the distribution line live working method, be medial potential working method or indirect operating method, this method adopts the described rotary insulating ladder of claim 1, security tool and supplementary insulation equipment, it is characterized in that, earlier climb up electric pole and fix rotary insulating ladder by the anchor ear device at correct position by operation electrician on an insulating gloves working system electrician and the bar, then climb up insulated platform by an insulating gloves working system electrician, the operation electrician forwards job position around electric pole driven rotary type insulating ladder to until insulated platform on another bar, hold around and tighten up safeties then, climb up the cat ladder chain-wales by insulating gloves working system electrician at last and enter electric field and realize direct live line working.
6. the distribution line live working method that is used for according to claim 5, it is characterized in that, described security tool comprises that one is wrapped in the safety belt of insulating gloves working system electrician waist, before operation, one of the safety rope on the safety belt is hooked on electric pole or other members, the other end still is connected with safety belt, the waist rope is tied up on the cat ladder after climbing up the cat ladder chain-wales again.
7. the distribution line live working method that is used for according to claim 5 is characterized in that, described supplementary insulation equipment comprises that insulated should padding or insulation clothing and insulating gloves are to realize the intermediate potential live line working.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810204838A CN101771248A (en) | 2008-12-30 | 2008-12-30 | Rotary insulating ladder for distribution line live working |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200810204838A CN101771248A (en) | 2008-12-30 | 2008-12-30 | Rotary insulating ladder for distribution line live working |
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| Publication Number | Publication Date |
|---|---|
| CN101771248A true CN101771248A (en) | 2010-07-07 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200810204838A Pending CN101771248A (en) | 2008-12-30 | 2008-12-30 | Rotary insulating ladder for distribution line live working |
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| Country | Link |
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| CN (1) | CN101771248A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255261A (en) * | 2011-07-06 | 2011-11-23 | 衢州电力局 | Shifting device for two-circuit hot-line work of transmission line |
| CN105064906A (en) * | 2015-08-19 | 2015-11-18 | 中国航空工业集团公司西安飞机设计研究所 | Plane working ladder and plane maintenance device adopting same |
| CN106099754A (en) * | 2016-08-09 | 2016-11-09 | 国网山西省电力公司晋城供电公司 | A kind of 10kV overhead distribution insulation platform for live operation and installation method thereof |
| CN106253131A (en) * | 2016-01-29 | 2016-12-21 | 四川行之智汇知识产权运营有限公司 | Length-adjustable power domain work platforms |
| CN109066467A (en) * | 2018-09-10 | 2018-12-21 | 国网山东省电力公司潍坊供电公司 | A kind of insulated platform with comprehensive regulatory function |
| CN113445895A (en) * | 2021-07-02 | 2021-09-28 | 贵州电网有限责任公司 | Electric pole climbing device capable of working in hot-line mode |
-
2008
- 2008-12-30 CN CN200810204838A patent/CN101771248A/en active Pending
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102255261A (en) * | 2011-07-06 | 2011-11-23 | 衢州电力局 | Shifting device for two-circuit hot-line work of transmission line |
| CN102255261B (en) * | 2011-07-06 | 2013-07-17 | 衢州电力局 | Shifting device for two-circuit hot-line work of transmission line |
| CN105064906A (en) * | 2015-08-19 | 2015-11-18 | 中国航空工业集团公司西安飞机设计研究所 | Plane working ladder and plane maintenance device adopting same |
| CN106253131A (en) * | 2016-01-29 | 2016-12-21 | 四川行之智汇知识产权运营有限公司 | Length-adjustable power domain work platforms |
| CN106099754A (en) * | 2016-08-09 | 2016-11-09 | 国网山西省电力公司晋城供电公司 | A kind of 10kV overhead distribution insulation platform for live operation and installation method thereof |
| CN106099754B (en) * | 2016-08-09 | 2018-06-29 | 国网山西省电力公司晋城供电公司 | A kind of 10kV overhead distributions insulation platform for live operation and its installation method |
| CN109066467A (en) * | 2018-09-10 | 2018-12-21 | 国网山东省电力公司潍坊供电公司 | A kind of insulated platform with comprehensive regulatory function |
| CN109066467B (en) * | 2018-09-10 | 2020-10-16 | 国网山东省电力公司潍坊供电公司 | Insulating platform with all-round regulatory function |
| CN113445895A (en) * | 2021-07-02 | 2021-09-28 | 贵州电网有限责任公司 | Electric pole climbing device capable of working in hot-line mode |
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Open date: 20100707 |