CN201466574U - Device for isoelectrically replacing insulator and accessory of iron tower of transmission line - Google Patents
Device for isoelectrically replacing insulator and accessory of iron tower of transmission line Download PDFInfo
- Publication number
- CN201466574U CN201466574U CN2009201091318U CN200920109131U CN201466574U CN 201466574 U CN201466574 U CN 201466574U CN 2009201091318 U CN2009201091318 U CN 2009201091318U CN 200920109131 U CN200920109131 U CN 200920109131U CN 201466574 U CN201466574 U CN 201466574U
- Authority
- CN
- China
- Prior art keywords
- ladder
- equipotential
- insulation
- iron tower
- insulated
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Insulators (AREA)
Abstract
The utility model provides a device for isoelectrically replacing an insulator and an accessory of an iron tower of a transmission line, which comprises an insulating flat ladder (2), one end of which is fixed on the iron tower and is transversely extended so that the other end is suspended at a certain distance which exceeds a work phase; an insulating swinging ladder (3), the upper end of which is movably connected with the other suspended end of the flat ladder (2), and the lower end can be downwards extended in a swinging way; an insulating rope (8), one end of which is directly or indirectly connected with the insulating swinging ladder (3) for leading the swinging ladder (3) to be swung to a work position (9) for replacing the insulator and the accessory by drawing; and an isoelectric ladder (4), the upper end of which is movably connected with the lower end of the insulating swinging ladder (3), and the lower end is perpendicularly downwards extended, and the isoelectric ladder is provided with an isoelectric seat (6) for leading workers to work with electricity. The device firstly systematically researches a method and develops a tool for replacing the insulator and the accessory of a circuit of a 110kv multi-channel small-distance perpendicularly-arranged tower with electricity.
Description
Technical field
The utility model relates to a kind of device that equipotential is changed iron tower of power transmission line insulator and annex that is used for, more specifically, the utility model relates to a kind of equipotential that is used for and changes on many times vertical arrangement tangent suspension towers of 110kV circuit mutually or the device of phase insulator and annex.
Background technology
Power network development is very fast in recent years, transformer station's outlet is crowded, the circuit corridor is narrow, line design can adopt increasing little spacing multiloop tower, will adopt the little spacing tower design of multiloop in the 110kV transmission line in a large number, have jurisdiction in the 110kV transmission line in area, Chengde, the many Hui Tayi of little spacing account for 5.23% of total Ji Ta number; Because the little spacing multiloop of 110kV circuit vertical arrangement (comprising font) iron tower is because of reasons in structure, two-layer cross-arm spacing is 3.5 meters, cause live wire and be positioned between two-layer cross-arm, the electrician who carries out live line working can not satisfy the safe distance requirement, and combinational gap was not enough when personnel entered current potential by means of instruments such as insulated ladder, insulated flexible ladders, to circuit because lightning stroke flashover, null value, wire clamp is overheated and make an inspection tour in the equipment deficiency found and hidden danger can not timely charged solution, have only by interruption maintenance and just can finish the scarce work that disappears.Such economic loss and social benefit loss are all quite huge.For example the heating of the parallel groove clamp of the wide two times 110kV circuit 83# terminal towers of elm (tower is 110DSn) A phase drainage thread in 2005 is serious, wherein A mutually the heating of two wire clamps surpassed 63 ℃, serious threat the safe operation of circuit, must handle rapidly.If this task is handled by the interruption maintenance operation, the time of interruption maintenance operation procedure conversion (contact stops sending electricity, back brake time, arranges safety measure and practice of construction time) needs 6 hours at least, the average load of 110kV circuit is 2.4 ten thousand kW during the autumn and winter big load, promptly loses 14.4 ten thousand kWh in 6 hours.This task is according to entering the equipotential live line working scarce task that disappears, and only this item just can be company and reduces electric quantity loss 14.4 ten thousand kWh.
This project is utilized the device and the operational method of development and design voluntarily, finishes charged for replacement 110kV circuit many times vertical arrangement towers insulator string and annex problem.
World wide does not all have the ripe many times little spacing vertical arrangement tower line insulators of charged for replacement 110kV and the Method and kit for of annex at present, and the utility model is systematically this line insulator and accessory tapes charged renewal to be carried out method research and too development for the first time.
The utility model content
Change on many times vertical arrangement tangent suspension towers of 110kV circuit mutually or middle phase insulator and annex for equipotential easily and safely, the utility model provides a kind of device.
This device comprises: insulated ladder, and an end is fixed on the iron tower, and makes its other end be suspended at above operation phase a distance along horizontal expansion; Insulation pendulum ladder, the upper end is movably connected in the other end that suspends of insulated ladder, and extend downwards swingably the lower end; Insulation rope, an end are connected to insulation pendulum ladder directly or indirectly, are used for making this insulation pendulum ladder swing to the service position that is used to change described insulator and annex by tractive.
Wherein, this device also comprises the equipotential ladder, and its upper end being movably connected in the lower end of insulation pendulum ladder, and extend vertically downward the lower end, and has and be used to make the staff to carry out the equipotential seat of live line working.
Wherein, this device also comprises lifting rope, and its upper end is fixed on the iron tower, and the lower end is connected the middle part of insulated ladder to the position between the other end that suspends.
Wherein, insulated ladder is made up of the flat terraced parts more than two sections or two sections, and the position is adjustable between each adjacent flat ladder parts, thereby forms telescopic insulated ladder.
Wherein, insulated ladder is connected with the angle steel fixture with iron tower.
Wherein, all flexibly connect between insulation pendulum ladder and the insulated ladder and between pendulum ladder and the equipotential ladder with suspension ring.
Wherein, this device also comprises fixture, and an end of fixture is connected on insulation pendulum ladder or the equipotential ladder, and the other end of fixture is used for removably being connected the power line of operation phase.
Wherein, also being provided with another insulation that is used for instrument is delivered to from ground on the equipotential ladder on the equipotential ladder restricts.
Wherein, this device also comprises pulley, and the insulation rope is worked on pulley.
Wherein, transmission line is the 110kV transmission line, and the other end that suspends of insulated ladder extends outwardly beyond 1.5 meters on operation phase outermost power line.
The technical solution of the utility model has following beneficial effect:
This device is made for all insulation material, and is in light weight portable, makes things convenient for the open-air use of transmission line.Can easily the live line working personnel be sent into vertical arrangement tower insulator equipotential place, many loop lines of the little spacing of 110kV road by it, but related accessories such as many times vertical arrangement towers of the little spacing of charged for replacement 110kV circuit straight line, insulator string and stockbridge damper.And widened 110kV line live-line work field.Thoroughly solve many times vertical arrangement towers of the little spacing of 110kV and can't enter the difficult problem that equipotential is carried out live line working.It will promote the progress of current transmission of electricity specialized management level effectively, make originally must interruption maintenance work change into hotline maintenance, step a step of key to repair based on condition of component.And have the repairing function concurrently, and improve the circuit reliability of operation, reach the purpose of repair based on condition of component.
Be noted that the description and the following detailed description all are exemplary, being intended to provides further instruction to desired the utility model.
Except purpose described above, feature and advantage, the utility model also has other purpose, feature and advantage.Below with reference to figure, other purpose, feature and effect of the present utility model is described in further detail.
Description of drawings
Accompanying drawing described herein is used to provide further understanding of the present utility model, constitutes the application's a part, and illustrative examples of the present utility model and explanation thereof are used to explain the utility model, do not constitute improper qualification of the present utility model.In the accompanying drawings:
Fig. 1 shows the sketch plan of many times vertical arrangement tangent suspension towers of 110kV circuit;
Fig. 2 shows the sketch plan that equipotential is changed the device of phase insulator and annex on many times vertical arrangement tangent suspension towers of 110kV circuit;
Fig. 3 shows the sketch plan that equipotential is changed the device of phase insulator and annex in many times vertical arrangement tangent suspension towers of 110kV circuit;
Fig. 4 shows the detailed view that equipotential is changed the device of phase insulator and annex on many times vertical arrangement tangent suspension towers of 110kV circuit.
Embodiment
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Fig. 1 shows the sketch plan of many times vertical arrangement tangent suspension towers of 110kV circuit.The utility model be mainly used in change this body tower on reach mutually in phase insulator and annex.
Fig. 2 shows the sketch plan that equipotential is changed the device of phase insulator and annex on many times vertical arrangement tangent suspension towers of 110kV circuit.Fig. 3 shows the sketch plan that equipotential is changed the device of phase insulator and annex in many times vertical arrangement tangent suspension towers of 110kV circuit.Fig. 4 shows the detailed view that equipotential is changed the device of phase insulator and annex on many times vertical arrangement tangent suspension towers of 110kV circuit.As shown in the figure, the utility model provides a kind of equipotential that is used for to change on many times vertical arrangement tangent suspension towers of 110kV circuit mutually or the device of phase insulator and annex, comprise insulated ladder 2, one end is fixed on the described iron tower, and makes its other end be suspended at above operation phase a distance along horizontal expansion; Insulation pendulum ladder 3, the upper end is movably connected in the described other end that suspends of described insulated ladder 2, and extend downwards swingably the lower end; Insulation rope 8, one ends are connected to described insulation pendulum ladder 3 directly or indirectly, are used for making this insulation pendulum ladder 3 swing to the service position 9 that is used to change described insulator and annex by tractive.Figure bend part 9 is the equipotential zone of work.In addition, this device also comprises equipotential ladder 4, and the upper end is movably connected in the lower end of described insulation pendulum ladder 3, and extend vertically downward the lower end, and has and be used to make the staff to carry out the equipotential seat 6 of live line working.
Change phase or middle phase insulator and annex on many times vertical arrangement tangent suspension towers of 110kV circuit for equipotential, at first, insulated ladder 2 is installed on the multiloop tower, one end of insulated ladder can be connected with angle steel fixture 5 with iron tower, the other end level of insulated ladder is stretched out, wherein, the length of insulated ladder will be longer than and be treated 1.5 meters in operation phase outermost lead, to guarantee safe distance.According to a preferred embodiment of the present utility model, insulated ladder 2 is made up of the flat terraced parts more than two sections or two sections, and the position is adjustable between each adjacent flat ladder parts, thereby forms telescopic insulated ladder.According to a preferred embodiment of the present utility model, insulated ladder is made up of two sections epoxy flat tubes.According to another preferred embodiment of the present utility model, the middle part of insulated ladder and the other end that suspends all hang 1 with described lifting rope, to guarantee safety.
At the other end of insulated ladder insulation pendulum ladder 3 is installed vertically; Equipotential ladder 4 is installed under insulation pendulum ladder, and on junction between insulation pendulum ladder and the equipotential ladder or insulation pendulum ladder or an end of the first insulation rope is installed on the equipotential ladder, is had the equipotential seat of taking for first staff 6 on its medium potential ladder; Earth potential place on the insulation tower pulls the other end of the first insulation rope, and first staff on the equipotential seat is pulled to equipotential region work.Afterwards, the staff changes insulator and annex at equal potential working, can utilize pulley to be pulled to service position processing stockbridge damper with the second insulation rope by the ground staff as handling stockbridge damper.Dispose, the ground staff unclamps the insulation rope makes the equipotential personnel break away from electric field, and equipotential personnel return on the tower.All Work tools are removed and are put back to ground, and the staff descends tower, end-of-job after checking and not having the instrument of leaving on the tower.
According to a preferred embodiment of the present utility model, all flexibly connect between insulation pendulum ladder 3 and the insulated ladder 2 and between insulation pendulum ladder 3 and the equipotential ladder 4 with suspension ring 7.
According to a preferred embodiment of the present utility model, device of the present utility model also comprises fixture, and an end of this fixture is connected on insulation pendulum ladder 3 or the equipotential ladder 4, and the other end of fixture is used for removably being connected the power line of operation phase.
According to a preferred embodiment of the present utility model, also be provided with another insulation that is used for instrument is delivered to from ground on the equipotential ladder on the equipotential ladder and restrict.
According to a preferred embodiment of the present utility model, the utility model device also comprises pulley, and the insulation rope is worked on pulley.
According to a preferred embodiment of the present utility model, the utility model device also can comprise screening clothing and action bars.The staff wears screening clothing on one's body, strengthens the fail safe of live line working, and in addition, the staff can use action bars to finish work such as tool for transmitting, take-up.
Below only be embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various changes and variation. and all within spirit of the present utility model and principle, any modification of being done, be equal to replacement, improvement etc., all should be included within the claim scope of the present utility model.
Claims (10)
1. one kind is used for the device that equipotential is changed iron tower of power transmission line insulator and annex, it is characterized in that described device comprises:
Insulated ladder (2), an end is fixed on the described iron tower, and makes its other end be suspended at above operation phase a distance along horizontal expansion;
Insulation pendulum ladder (3), the upper end is movably connected in the described other end that suspends of described insulated ladder (2), and extend downwards swingably the lower end;
Insulation rope (8), an end are connected to described insulation pendulum ladder (3) directly or indirectly, are used for making this insulation pendulum ladder (3) swing to the service position (9) that is used to change described insulator and annex by tractive.
2. device according to claim 1 is characterized in that, also comprises:
Equipotential ladder (4), upper end are movably connected in the lower end of described insulation pendulum ladder (3), and extend vertically downward the lower end, and have and be used to make the staff to carry out the equipotential seat (6) of live line working.
3. device according to claim 2 is characterized in that, also comprises:
Lifting rope (1), upper end are fixed on the described iron tower, and the lower end is connected the middle part of described insulated ladder (2) to the position between the described other end that suspends.
4. device according to claim 3 is characterized in that, described insulated ladder (2) is made up of the flat terraced parts more than two sections or two sections, and the position is adjustable between each adjacent flat ladder parts, thereby forms telescopic described insulated ladder (2).
5. device according to claim 3 is characterized in that, described insulated ladder (2) is connected with angle steel fixture (5) with described iron tower.
6. device according to claim 3 is characterized in that, all uses suspension ring (7) to flexibly connect between described insulation pendulum ladder (3) and the described insulated ladder (2) and between described pendulum ladder (3) and the described equipotential ladder (4).
7. device according to claim 3, it is characterized in that, also comprise fixture, an end of described fixture is connected on described insulation pendulum ladder (3) or the described equipotential ladder (4), and the other end of described fixture is used for removably being connected the power line of operation phase.
8. device according to claim 3 is characterized in that, also is provided with another insulation that is used for instrument is delivered to from ground on the described equipotential ladder on the described equipotential ladder and restricts.
9. device according to claim 3 is characterized in that, also comprises pulley, and described insulation rope is worked on described pulley.
10. according to each described device among the claim 1-9, it is characterized in that described transmission line is the 110kV transmission line, the described other end that suspends of described insulated ladder (2) extends outwardly beyond 1.5 meters on operation phase outermost power line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201091318U CN201466574U (en) | 2009-06-11 | 2009-06-11 | Device for isoelectrically replacing insulator and accessory of iron tower of transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201091318U CN201466574U (en) | 2009-06-11 | 2009-06-11 | Device for isoelectrically replacing insulator and accessory of iron tower of transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201466574U true CN201466574U (en) | 2010-05-12 |
Family
ID=42393921
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201091318U Expired - Lifetime CN201466574U (en) | 2009-06-11 | 2009-06-11 | Device for isoelectrically replacing insulator and accessory of iron tower of transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201466574U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064496A (en) * | 2010-12-02 | 2011-05-18 | 河南省电力公司南阳供电公司 | Replaceable tool of covered line shockproof hammer |
| CN102882153A (en) * | 2012-08-30 | 2013-01-16 | 国家电网公司 | Multi-return tower middle-phase insulator string replacement method for electrified replacement circuit |
| CN104253403A (en) * | 2013-06-25 | 2014-12-31 | 国家电网公司 | An apparatus and method for installing a 220 kV line arrester in a live working state |
| CN104283146A (en) * | 2014-07-07 | 2015-01-14 | 中国南方电网有限责任公司超高压输电公司南宁局 | Device and method for replacing insulator string |
| CN112736768A (en) * | 2021-01-04 | 2021-04-30 | 国网湖南省电力有限公司 | Method for entering phase electric field in compact line |
| CN117878775A (en) * | 2024-03-13 | 2024-04-12 | 国网山东省电力公司潍坊供电公司 | Cable-stayed cross bridge type equipotential operation method |
-
2009
- 2009-06-11 CN CN2009201091318U patent/CN201466574U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102064496A (en) * | 2010-12-02 | 2011-05-18 | 河南省电力公司南阳供电公司 | Replaceable tool of covered line shockproof hammer |
| CN102882153A (en) * | 2012-08-30 | 2013-01-16 | 国家电网公司 | Multi-return tower middle-phase insulator string replacement method for electrified replacement circuit |
| CN102882153B (en) * | 2012-08-30 | 2015-09-30 | 国家电网公司 | Phase replacing insulator string method in charged for replacement circuit many times towers |
| CN104253403A (en) * | 2013-06-25 | 2014-12-31 | 国家电网公司 | An apparatus and method for installing a 220 kV line arrester in a live working state |
| CN104253403B (en) * | 2013-06-25 | 2016-12-28 | 国家电网公司 | A kind of device and method of charged installation 220kV leakage conductor |
| CN104283146A (en) * | 2014-07-07 | 2015-01-14 | 中国南方电网有限责任公司超高压输电公司南宁局 | Device and method for replacing insulator string |
| CN104283146B (en) * | 2014-07-07 | 2017-01-04 | 中国南方电网有限责任公司超高压输电公司南宁局 | A kind of device and method changing insulator chain |
| CN112736768A (en) * | 2021-01-04 | 2021-04-30 | 国网湖南省电力有限公司 | Method for entering phase electric field in compact line |
| CN117878775A (en) * | 2024-03-13 | 2024-04-12 | 国网山东省电力公司潍坊供电公司 | Cable-stayed cross bridge type equipotential operation method |
| CN117878775B (en) * | 2024-03-13 | 2024-05-24 | 国网山东省电力公司潍坊供电公司 | Cable-stayed cross bridge type equipotential operation method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2015078279A1 (en) | Live overhaul process for ±800 kv ultra-high voltage dc power transmission line | |
| CN107994527B (en) | High-voltage electric tower wire insulation buffer device | |
| CN201466574U (en) | Device for isoelectrically replacing insulator and accessory of iron tower of transmission line | |
| CN103618249A (en) | technology for electrified overhaul of +-500kV double-circuit direct-current power transmission lines on same tower | |
| WO2016023141A1 (en) | Process for live replacement of tension hard-tube bus-bar jumper insulator of +/- 800kv ultra-high-voltage dc transmission line | |
| CN110120643B (en) | Uninterrupted power operation method for power line of ground potential distribution network | |
| CN103683088A (en) | Line bracing tool | |
| CN110957658A (en) | Rack transformer for 10kV distribution network overhead line and installation method thereof | |
| CN105514877A (en) | Cross arm clamp for insulator replacement of steel pipe pole of common-tower double-circuit lines | |
| CN201303230Y (en) | Integral type wire lifting device of ultra-high voltage transmission line | |
| CN105932601B (en) | Disconnected strand of overhead grounding wire method for repairing and mending | |
| CN104505763A (en) | Operating method for changing duplex V chain composite insulator on live line of extra-high voltage DC line | |
| CN102761077B (en) | Insulating hoisting bracket for strain insulator string of 1000kV extra-high alternating current line | |
| CN201440584U (en) | Ground potential replacement device for tension tower insulators and accessories in power transmission line | |
| CN206148848U (en) | Large -tonnage electrified conducting wire's hoisting device | |
| CN104836156A (en) | Synthetic insulator simple ladder | |
| CN209948529U (en) | Live lifting mechanism for three-phase lead of straight-line section of 10kV distribution network line | |
| CN102957104B (en) | The remodeling method of transformer and GIS power distribution equipment flexible connection structures | |
| CN104113007A (en) | Operation method for replacing strain insulator of 35kV overhead distribution line in live state | |
| CN205882560U (en) | Special circulation cord rack device of distribution live working earth potential | |
| CN202817603U (en) | Wire-supporting tool | |
| CN206575086U (en) | Insulate turnbuckle plate pulling device | |
| CN201742027U (en) | Special tool for replacing insulators in electriferous state for 110kV single tower double circuit | |
| CN201234089Y (en) | Protective interval for live operation on 1000kV AC very high voltage line | |
| CN210957529U (en) | Rack transformer for 10kV distribution network overhead line |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20180319 Granted publication date: 20100512 |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20100512 |