CN103825222A - Tool for changing 220kV narrow base tower strain insulator string with charges - Google Patents

Tool for changing 220kV narrow base tower strain insulator string with charges Download PDF

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Publication number
CN103825222A
CN103825222A CN201410115139.0A CN201410115139A CN103825222A CN 103825222 A CN103825222 A CN 103825222A CN 201410115139 A CN201410115139 A CN 201410115139A CN 103825222 A CN103825222 A CN 103825222A
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CN
China
Prior art keywords
yoke plate
clamping tool
angle
triangle
plate
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Granted
Application number
CN201410115139.0A
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Chinese (zh)
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CN103825222B (en
Inventor
陈永红
吴志成
李雄
罗国档
许俊江
高领军
苏小思
柯泳超
赖丽萍
姚清香
姚青煌
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.)
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Quanzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Fujian Electric Power Co Ltd
Quanzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd
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Application filed by State Grid Corp of China SGCC, State Grid Fujian Electric Power Co Ltd, Quanzhou Power Supply Co of State Grid Fujian Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201410115139.0A priority Critical patent/CN103825222B/en
Publication of CN103825222A publication Critical patent/CN103825222A/en
Application granted granted Critical
Publication of CN103825222B publication Critical patent/CN103825222B/en
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Abstract

The invention provides a tool for changing a 220kV narrow base tower strain insulator string with charges. The tool comprises a triangular yoke plate clamp, an insulating pull rod, a hydraulic lead screw, and a right-angled yoke plate clamp which are connected with one another detachably, wherein the triangular yoke plate clamp is connected with a triangular yoke plate, the right-angled yoke plate clamp is connected with a right-angled yoke plate, the insulating pull rod is connected to the triangular yoke plate clamp and the right-angled yoke plate clamp by means of the hydraulic lead screw, a double clamp plate structure is formed on each of one end, connected with the triangular yoke plate, of the triangular yoke plate clamp and one end, connected with the right-angled yoke plate, of the right-angled yoke plate clamp, the triangular yoke plate can be clamped and fixed between double clamp plates of the triangular yoke plate clamp, and the right-angled yoke plate can be clamped and fixed between double clamp plates of the right-angled yoke plate clamp. The tool is simple in structure, easy to install and operate, capable of lowering the difficulty of overhauling work and improving the efficiency, firm in connection, high in strength, good in balance, and capable of reducing hidden safety hazards, effectively meeting the safety requirement in the charged operation process of a narrow base tower to realize the safe charged overhauling, and greatly improving the running safety and reliability of a power grid.

Description

A kind of charged for replacement 220kV narrow base tower strain insulator string instrument
Technical field
The present invention relates to electrical network and hot line maintenance technical field, particularly a kind of charged for replacement 220kV narrow base tower strain insulator string instrument.
Background technology
Along with socioeconomic development, society is increasing for the demand of electric power, is impelling electrical network scale constantly to expand, the main body mode that overhead wire transmission is carried as current electric power, and line size also constantly increases thereupon.And along with the quickening of urbanization process, land resource is more and more aobvious nervous, conventional typical angle steel tower busy line channel width and steel tower are large with opening, present situation that can not adapt to economic development developed regions shortage of land resource.If but adopt steel pipe pole, although can meet the requirement that reduces floor space, steel pipe pole circuit, service condition requires high than steel tower, processing transport difficulty is large, the vertical heavy mechanical equipment that needs of group, high to job site environmental requirement, project cost is large, is unfavorable for operation maintenance.
On this basis, arise at the historic moment take narrow base steel tube tower as the narrow base tower of example.Compared to conventional angle steel iron, steel tube tower, narrow base steel tube tower has the advantages such as little, the overall turriform of floor space is compact firmly, the exhibition of tower body arm is compact, line holding space is few, and therefore newly-increased circuit construction project more and more tends to use such turriform in recent years.
Along with the continuous lifting of society to electric power degree of dependence, it has great requirement for the quality of power supply and continued power, will cause huge economic loss and social effect once have a power failure, therefore service without power-off is safeguarded has become the conventional means that grid maintenance is safeguarded.But narrow base steel tube tower is because tower body compactness own, arm are opened up the features such as short, and the operation gap that conventional charged operational method requires cannot meet; Can say that service without power-off on narrow base tower safeguards that aspect is almost a blank field.
The use of at present new narrow base tower, its incident New insulated configuration, i.e. double insulator, one end is triangle yoke plate, and the other end is right angle yoke plate, and traditional machete jig and wing type clamp apparatus cannot use thereon.Between the general same group of yoke plate of the existing device for charged changing tension-resisting insulator, at least need to install two groups of devices, complex structure, load and unload loaded down with trivial details, and syndeton is connected with yoke plate by screw, therefore intensity is low, easily, because loosened screw causes potential safety hazard, security reliability is low, and cannot meet the safety requirements in its operation process for some narrow base tower.
Summary of the invention
Main purpose of the present invention is the shortcoming that overcomes prior art, provide a kind of simple in structure, can realize disassembled for transport, easily install and operation, can reduce service work difficulty, raise the efficiency, intensity is high, security reliability is high, and can effectively meet the charged for replacement 220kV narrow base tower strain insulator string instrument of the safety requirements in narrow base tower live line working process.
The present invention adopts following technical scheme:
A kind of charged for replacement 220kV narrow base tower strain insulator string instrument, by the triangle link plate clamping tool in order to connect triangle yoke plate, insulation pull-rod, hydraulic screw rod and in order to connect the right angle link plate clamping tool of the right angle yoke plate formation that removably connects, described insulation pull-rod is connected between triangle link plate clamping tool and right angle link plate clamping tool by a hydraulic screw rod, described triangle link plate clamping tool all forms double plate structure for the one end and the right angle link plate clamping tool that connect triangle yoke plate for the one end that connects right angle yoke plate, the double plate of triangle link plate clamping tool can be folded in triangle yoke plate fixing therebetween, the double plate of right angle link plate clamping tool can be folded in right angle yoke plate fixing therebetween.
Further, described triangle link plate clamping tool, hydraulic screw rod, insulation pull-rod and right angle link plate clamping tool removably connect in turn by securing member.
Further, one end that described triangle link plate clamping tool connects triangle yoke plate is formed with the first train wheel bridge and the first lower plate, triangle yoke plate can be folded in therebetween, on the first train wheel bridge and the first lower plate, correspondence offers two pin-and-holes that match with fixing hole on triangle yoke plate respectively, can triangle link plate clamping tool be locked on triangle yoke plate by two movable latch.
Further, one end that described right angle link plate clamping tool connects right angle yoke plate is formed with the second train wheel bridge and the second lower plate, right angle yoke plate can be folded in therebetween, the second train wheel bridge and the second lower plate end respectively correspondence offer two pin-and-holes, can right angle link plate clamping tool be locked on right angle yoke plate by two movable latch.
Further, between described right angle yoke plate and right angle link plate clamping tool end, be also arranged with an adjusting block, described adjusting block is formed with a draw-in groove, can be arranged in the movable latch that is arranged on right angle link plate clamping tool end.
Further, described triangle link plate clamping tool is fixed on triangle yoke plate centre position, and right angle link plate clamping tool is fixed on yoke plate centre position, right angle.
From the above-mentioned description of this invention, compared with prior art, the invention has the beneficial effects as follows: triangle link plate clamping tool and right angle link plate clamping tool are connected to triangle yoke plate and yoke plate centre position, right angle, only need that one group of instrument is installed and can complete the charged for replacement operation of its both sides insulator string, simple in structure, easily install and operation, can reduce service work personnel's work difficulty, shorten working hours, raise the efficiency, and can realize disassembled for transport, simultaneously, triangle link plate clamping tool and right angle link plate clamping tool adopt double plate structure, lock and connect by movable latch and triangle yoke plate and right angle yoke plate, it is more firm to connect, intensity is high, and balance is good, can avoid occurring that slippage rocks, get loose and drop or " cannot get up, under do not go " etc. bad phenomenon, can reduce potential safety hazard, effectively meet the safety requirements in narrow base tower live line working process.Therefore, can realize safe hotline maintenance, reduce the change that stops power transmission operational ton and whole power system operating mode, not only can realize huge economic benefit, also can greatly improve the security reliability of operation of power networks.
Accompanying drawing explanation
Fig. 1 is the mounting structure schematic diagram of the specific embodiment of the invention;
Fig. 2 is the triangle yoke plate of the specific embodiment of the invention and the syndeton cutaway view of triangle link plate clamping tool;
Fig. 3 is the right angle yoke plate of the specific embodiment of the invention and the syndeton cutaway view of right angle link plate clamping tool.
In figure: 1. triangle yoke plate, 2. triangle link plate clamping tool, 20. first train wheel bridges, 21. first lower plate, 3. hydraulic screw rods, 4. insulation pull-rod, 5. right angle yoke plate, 6. right angle link plate clamping tool, 60. second train wheel bridges, 61. second lower plates, 7. movable latch, 8. regulates block, 80. draw-in grooves.
Embodiment
Below by embodiment, the invention will be further described.
With reference to Fig. 1, Fig. 2 and Fig. 3, a kind of charged for replacement 220kV narrow base tower strain insulator string instrument of the present invention, by the triangle link plate clamping tool 2 in order to connect triangle yoke plate 1, hydraulic screw rod 3, insulation pull-rod 4 and removably connected and form in turn by securing member in order to the right angle link plate clamping tool 6 that connects right angle yoke plate 5.
Described triangle link plate clamping tool 2 all forms double plate structure for the one end and the right angle link plate clamping tool 6 that connect triangle yoke plate 1 for the one end that connects right angle yoke plate 5, the double plate of triangle link plate clamping tool 2 can be folded in triangle yoke plate 1 fixing therebetween, and the double plate of right angle link plate clamping tool 6 can be folded in right angle yoke plate 5 fixing therebetween.Described triangle link plate clamping tool 2 is fixed on triangle yoke plate 1 centre position, and right angle link plate clamping tool 6 is fixed on right angle yoke plate 5 centre positions.
One end that described triangle link plate clamping tool 2 connects triangle yoke plate 1 is formed with the first train wheel bridge 20 and the first lower plate 21, triangle yoke plate 1 can be folded in therebetween, on the first train wheel bridge 20 and the first lower plate 21, correspondence offers two pin-and-holes that match with fixing hole on triangle yoke plate 1 respectively, can triangle link plate clamping tool 2 be locked on triangle yoke plate 1 by two movable latch 7.
One end that described right angle link plate clamping tool 6 connects right angle yoke plate 5 is formed with the second train wheel bridge 60 and the second lower plate 61, right angle yoke plate 5 can be folded in therebetween, the second train wheel bridge 60 and the second lower plate 61 ends respectively correspondence offer two pin-and-holes, can right angle link plate clamping tool 6 be locked on right angle yoke plate 5 by two movable latch 7.Between described right angle yoke plate 5 and right angle link plate clamping tool 6 ends, be also arranged with an adjusting block 8, described adjusting block 8 is formed with a draw-in groove 80, can be arranged in the movable latch 7 that is arranged on right angle link plate clamping tool 6 ends.
With reference to Fig. 1, Fig. 2 and Fig. 3, when the present invention carries out the operation of earth potential method charged for replacement 220kV insulator string, comprise the following steps:
1. triangle link plate clamping tool 2, hydraulic screw rod 3, insulation pull-rod 4 are connected in turn with right angle link plate clamping tool 6;
2. triangle link plate clamping tool 2 is locked in to triangle yoke plate 1 centre position, right angle link plate clamping tool 6 is locked in to right angle yoke plate 5 centre positions;
3. tighten up hydraulic screw rod 3, unclamp insulator string;
4. change insulator string and recover hydraulic screw rod 3, removing instrument of the present invention, completing the operation of charged for replacement 220kV narrow base tower strain insulator string.
Above are only a specific embodiment of the present invention, but design concept of the present invention is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the present invention, all should belong to the behavior of invading protection range of the present invention.

Claims (6)

1. a charged for replacement 220kV narrow base tower strain insulator string instrument, it is characterized in that: by the triangle link plate clamping tool in order to connect triangle yoke plate, insulation pull-rod, hydraulic screw rod and in order to connect the right angle link plate clamping tool of the right angle yoke plate formation that removably connects, described insulation pull-rod is connected between triangle link plate clamping tool and right angle link plate clamping tool by a hydraulic screw rod, described triangle link plate clamping tool all forms double plate structure for the one end and the right angle link plate clamping tool that connect triangle yoke plate for the one end that connects right angle yoke plate, the double plate of triangle link plate clamping tool can be folded in triangle yoke plate fixing therebetween, the double plate of right angle link plate clamping tool can be folded in right angle yoke plate fixing therebetween.
2. a kind of charged for replacement 220kV narrow base tower strain insulator string instrument as claimed in claim 1, is characterized in that: described triangle link plate clamping tool, hydraulic screw rod, insulation pull-rod and right angle link plate clamping tool removably connect in turn by securing member.
3. a kind of charged for replacement 220kV narrow base tower strain insulator string instrument as claimed in claim 2, it is characterized in that: one end that described triangle link plate clamping tool connects triangle yoke plate is formed with the first train wheel bridge and the first lower plate, triangle yoke plate can be folded in therebetween, on the first train wheel bridge and the first lower plate, correspondence offers two pin-and-holes that match with fixing hole on triangle yoke plate respectively, can triangle link plate clamping tool be locked on triangle yoke plate by two movable latch.
4. a kind of charged for replacement 220kV narrow base tower strain insulator string instrument as claimed in claim 2, it is characterized in that: one end that described right angle link plate clamping tool connects right angle yoke plate is formed with the second train wheel bridge and the second lower plate, right angle yoke plate can be folded in therebetween, the second train wheel bridge and the second lower plate end respectively correspondence offer two pin-and-holes, can right angle link plate clamping tool be locked on right angle yoke plate by two movable latch.
5. a kind of charged for replacement 220kV narrow base tower strain insulator string instrument as claimed in claim 4, it is characterized in that: between described right angle yoke plate and right angle link plate clamping tool end, be also arranged with an adjusting block, described adjusting block is formed with a draw-in groove, can be arranged in the movable latch that is arranged on right angle link plate clamping tool end.
6. a kind of charged for replacement 220kV narrow base tower strain insulator string instrument as described in claim 3 or 4, is characterized in that: described triangle link plate clamping tool is fixed on triangle yoke plate centre position, and right angle link plate clamping tool is fixed on yoke plate centre position, right angle.
CN201410115139.0A 2014-03-25 2014-03-25 A kind of charged for replacement 220kV narrow base tower strain insulator string instrument Active CN103825222B (en)

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Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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CN103825222B CN103825222B (en) 2016-09-14

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103825223A (en) * 2014-03-25 2014-05-28 国家电网公司 Tool and working method for live change of 220KV narrow base tower strain insulator string
CN104201606A (en) * 2014-07-25 2014-12-10 国网上海市电力公司 Separating clamp for 500KV strain insulator string
CN106505467A (en) * 2016-12-07 2017-03-15 中国南方电网有限责任公司超高压输电公司百色局 500 last insulator special replacement tools of KV transmission line tangent tower V-type string and using method

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201134305Y (en) * 2007-12-29 2008-10-15 辽宁省电力有限公司本溪供电公司 Support frame of paired insulator chain
CN201570808U (en) * 2009-12-10 2010-09-01 宁夏电力公司宁东供电局 Device for simultaneously replacing two strings of strain insulators
CN101820144A (en) * 2010-03-26 2010-09-01 福建省电力有限公司莆田电业局 Special tool of live line work for replacing rectilinear insulator string of large-section double multiple wire
CN202058513U (en) * 2011-05-06 2011-11-30 辽宁省电力有限公司本溪供电公司 Support frame with adjustable distance
CN202127196U (en) * 2011-05-19 2012-01-25 福建省电力有限公司宁德电业局 Inserted pin type yoke plate clamp for replacing linear rod double-linkage double-hanging-point insulator chain
CN103227431A (en) * 2013-03-19 2013-07-31 国家电网公司 Method for replacing insulator chains in 220 kV long-span high tower in live working
CN203456797U (en) * 2013-08-15 2014-02-26 国网浙江省电力公司杭州供电公司 Broadsword fixture for replacing entire string of insulator of duplex insulator string during power failure
CN203813320U (en) * 2014-03-25 2014-09-03 国家电网公司 Tool for live exchange of 220 kV narrow base tower strain insulator string

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201134305Y (en) * 2007-12-29 2008-10-15 辽宁省电力有限公司本溪供电公司 Support frame of paired insulator chain
CN201570808U (en) * 2009-12-10 2010-09-01 宁夏电力公司宁东供电局 Device for simultaneously replacing two strings of strain insulators
CN101820144A (en) * 2010-03-26 2010-09-01 福建省电力有限公司莆田电业局 Special tool of live line work for replacing rectilinear insulator string of large-section double multiple wire
CN202058513U (en) * 2011-05-06 2011-11-30 辽宁省电力有限公司本溪供电公司 Support frame with adjustable distance
CN202127196U (en) * 2011-05-19 2012-01-25 福建省电力有限公司宁德电业局 Inserted pin type yoke plate clamp for replacing linear rod double-linkage double-hanging-point insulator chain
CN103227431A (en) * 2013-03-19 2013-07-31 国家电网公司 Method for replacing insulator chains in 220 kV long-span high tower in live working
CN203456797U (en) * 2013-08-15 2014-02-26 国网浙江省电力公司杭州供电公司 Broadsword fixture for replacing entire string of insulator of duplex insulator string during power failure
CN203813320U (en) * 2014-03-25 2014-09-03 国家电网公司 Tool for live exchange of 220 kV narrow base tower strain insulator string

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103825223A (en) * 2014-03-25 2014-05-28 国家电网公司 Tool and working method for live change of 220KV narrow base tower strain insulator string
CN103825223B (en) * 2014-03-25 2016-09-14 国家电网公司 Charged for replacement 220KV narrow base tower strain insulator string tool and operational method
CN104201606A (en) * 2014-07-25 2014-12-10 国网上海市电力公司 Separating clamp for 500KV strain insulator string
CN106505467A (en) * 2016-12-07 2017-03-15 中国南方电网有限责任公司超高压输电公司百色局 500 last insulator special replacement tools of KV transmission line tangent tower V-type string and using method

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