CN201355750Y - Rotating insulated ladder for operation on live distribution lines - Google Patents
Rotating insulated ladder for operation on live distribution lines Download PDFInfo
- Publication number
- CN201355750Y CN201355750Y CNU2008201582207U CN200820158220U CN201355750Y CN 201355750 Y CN201355750 Y CN 201355750Y CN U2008201582207 U CNU2008201582207 U CN U2008201582207U CN 200820158220 U CN200820158220 U CN 200820158220U CN 201355750 Y CN201355750 Y CN 201355750Y
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- platform
- cat ladder
- ladder
- bar
- insulated
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Abstract
The utility model discloses a rotating insulated ladder for operation on live distribution lines, which comprises a platform-connecting bracket, an insulated platform, a pair of platform-supporting rods, an upright ladder, a pair of upright ladder stays, a small upright ladder platform, a hoop unit, a rotating unit and a safety unit. Different from the prior aerial lift device with an insulating arm, the rotating insulated ladder has a wide action radius (360-degree rotation), high bearing capability and a vertical operation range higher than the height of the human body, and has the advantages of good stability, convenient mounting and flexible operation, so the rotating insulated ladder is incomparable to other insulated platforms. The rotating insulated ladder enlarges the range of live-line operation, so that live-line operation can be safely and conveniently carried out in areas where live-line operation cannot be carried out in the past, consequently, the operation safety of lines is greatly enhanced, and power-down construction can be reduced or avoided in the areas.
Description
Technical field
The utility model relates to the instrument of distribution line live working in a kind of electric power system, is specifically related to a kind of rotary insulating ladder that is used for distribution line live working.
Background technology
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 purpose of this utility model 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, must the have a power failure problem of operation of the project that can't carry out 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;
The lower end of described cat ladder 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 technical scheme that is used for the rotary insulating ladder of distribution line live working of the present utility model, 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 utility model;
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 utility model, 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;
The lower end of cat ladder 4 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 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 two heel posts 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.
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.
Seat hoop 10 is independent the setting, and it is made of two metal semicircular ring 100 and the fastening bolt 101 and the nut 102 that are located at the semicircular ring two ends; When rotary insulating ladder is attached on the electric pole, can be installed on the montant 12 and electric pole that platform connects mounting 1 lower end, be attached to steadiness and fail safe on the electric pole to strengthen rotary insulating ladder, its thickness is big, thereby has improved coefficient of safety.
When the rotary insulating ladder that is used for distribution line live working of the present utility model rotated, an insulating gloves working system electrician squatted on insulated platform 2, lowers the center of gravity, and is convenient to stablize operation electrician 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 the operation electrician 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 utility model flexibly, insulating gloves working system electrician is stably stood erectly, safety belt is wrapped on insulating gloves working system electrician's the health and insulation cat ladder, two of safety rope ties up to respectively on safety belt and the electric pole, be convenient to insulating gloves working system electrician 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.
Those of ordinary skill in the art will be appreciated that, above embodiment is used for illustrating the utility model, and be not to be used as qualification of the present utility model, as long as in connotation scope of the present utility model, all will drop in claims scope of the present utility model variation, the modification of the above embodiment.
Claims (4)
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;
The lower end of described cat ladder 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201582207U CN201355750Y (en) | 2008-12-30 | 2008-12-30 | Rotating insulated ladder for operation on live distribution lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201582207U CN201355750Y (en) | 2008-12-30 | 2008-12-30 | Rotating insulated ladder for operation on live distribution lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201355750Y true CN201355750Y (en) | 2009-12-02 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201582207U Expired - Lifetime CN201355750Y (en) | 2008-12-30 | 2008-12-30 | Rotating insulated ladder for operation on live distribution lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201355750Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872943A (en) * | 2010-06-25 | 2010-10-27 | 江苏省电力公司苏州供电公司 | Insulating platform for distribution network live line work in power system |
| CN102361252A (en) * | 2011-06-09 | 2012-02-22 | 上海市南电力工程有限公司 | Folding rotary insulating platform |
| CN103605106A (en) * | 2013-11-28 | 2014-02-26 | 国网安徽省电力公司淮南供电公司 | Portable metering device on-site calibration working platform |
| CN103693594A (en) * | 2013-12-02 | 2014-04-02 | 邵汉琦 | Streetlamp construction work platform |
-
2008
- 2008-12-30 CN CNU2008201582207U patent/CN201355750Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101872943A (en) * | 2010-06-25 | 2010-10-27 | 江苏省电力公司苏州供电公司 | Insulating platform for distribution network live line work in power system |
| CN101872943B (en) * | 2010-06-25 | 2012-11-14 | 江苏省电力公司苏州供电公司 | Insulating platform for distribution network live line work in power system |
| CN102361252A (en) * | 2011-06-09 | 2012-02-22 | 上海市南电力工程有限公司 | Folding rotary insulating platform |
| CN103605106A (en) * | 2013-11-28 | 2014-02-26 | 国网安徽省电力公司淮南供电公司 | Portable metering device on-site calibration working platform |
| CN103605106B (en) * | 2013-11-28 | 2016-05-11 | 国网安徽省电力公司淮南供电公司 | Portable metering device field-checking workbench |
| CN103693594A (en) * | 2013-12-02 | 2014-04-02 | 邵汉琦 | Streetlamp construction work platform |
| CN103693594B (en) * | 2013-12-02 | 2016-02-17 | 浙江大学城市学院 | Streetlamp construction work platform |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20091202 |
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| CX01 | Expiry of patent term |