CN203813320U - Tool for live exchange of 220 kV narrow base tower strain insulator string - Google Patents
Tool for live exchange of 220 kV narrow base tower strain insulator string Download PDFInfo
- Publication number
- CN203813320U CN203813320U CN201420138202.8U CN201420138202U CN203813320U CN 203813320 U CN203813320 U CN 203813320U CN 201420138202 U CN201420138202 U CN 201420138202U CN 203813320 U CN203813320 U CN 203813320U
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- CN
- China
- Prior art keywords
- yoke plate
- right angle
- clamping tool
- triangle
- link plate
- 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
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- 239000012211 strain insulator Substances 0.000 title claims abstract description 14
- 238000009413 insulation Methods 0.000 claims abstract description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 3
- 239000011229 interlayer Substances 0.000 abstract 5
- 230000009977 dual effect Effects 0.000 abstract 2
- 238000009434 installation Methods 0.000 abstract 1
- 229910000831 Steel Inorganic materials 0.000 description 10
- 239000010959 steel Substances 0.000 description 10
- 239000012212 insulator Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 241001063191 Elops affinis Species 0.000 description 1
- 235000002756 Erythrina berteroana Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- HKPHPIREJKHECO-UHFFFAOYSA-N butachlor Chemical compound CCCCOCN(C(=O)CCl)C1=C(CC)C=CC=C1CC HKPHPIREJKHECO-UHFFFAOYSA-N 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
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- Insulators (AREA)
- Electric Cable Installation (AREA)
Abstract
The invention discloses a tool for the live exchange of 220 kV narrow base tower strain insulator string. The tool is detachably composed of a triangular yoke plate clamp, which is used to connect a triangular yoke plate, an insulation switching pole, a hydraulic screw, and a right-angle yoke plate clamp, which is sued to connect a right-angle yoke plate; wherein the insulation switching pole is arranged between the triangular yoke plate clamp and the right-angle yoke plate clamp by the hydraulic screw; the end, which is used to connect a triangular yoke plate, of the triangular yoke plate clamp and the end, which is used to connect a right-angle yoke plate, of the right-angle yoke plate clamp both form a dual-interlayer structure, the dual interlayers of the triangular yoke plate clamp can clamp a triangular yoke plate between the interlayers, and the dual interlayers of the right-angle yoke plate clamp can clamp a right-angle yoke plate between the interlayers. The tool has the advantages of simple structure, easy installation and operation, reduced maintenance difficulty, improved efficiency, more fastened connection, high strength, good balance, and fewer safety hazards, and can effectively satisfy the safety requirements during the live operation in a narrow base tower, so safe live maintenance is achieved, and the safety and reliability of power network operation are greatly improved.
Description
Technical field
The utility model 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, take the narrow base tower that narrow base steel tube tower is example arises at the historic moment.Compared to conventional angle steel iron, steel tube tower, narrow base steel tube tower has the advantages such as little, the whole turriform of floor space is compact firmly, the exhibition of tower body arm is compact, line holding space is few, therefore increases in recent years circuit construction project newly and more and more tends to use such turriform.
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, once have a power failure, will cause huge economic loss and social effect, so service without power-off is safeguarded the conventional means that has become that grid maintenance safeguards.But narrow base steel tube tower is due to features such as tower body own are compact, arm exhibition is 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 at present use of 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 be used 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.
Utility model content
Main purpose of the present utility model 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 utility model adopts following technical scheme:
Charged for replacement 220kV narrow base tower strain insulator string instrument, by in order to connect the triangle link plate clamping tool of 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 connecting one end and the right angle link plate clamping tool of triangle yoke plate for connecting one end of 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 above-mentioned to description of the present utility model, compared with prior art, the beneficial effects of the utility model are: 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 to install the charged for replacement operation that one group of instrument can complete 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, by movable latch and triangle yoke plate and right angle yoke plate, lock and connect, 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 utility model embodiment;
Fig. 2 is the triangle yoke plate of the utility model embodiment and the syndeton cutaway view of triangle link plate clamping tool;
Fig. 3 is the right angle yoke plate of the utility model embodiment 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 utility model 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 utility model, by order to connect triangle link plate clamping tool 2, hydraulic screw rod 3, the insulation pull-rod 4 of triangle yoke plate 1 and to be removably connected and form in turn by securing member in order to connect the right angle link plate clamping tool 6 of right angle yoke plate 5.
Described triangle link plate clamping tool 2 all forms double plate structure for connecting one end and the right angle link plate clamping tool 6 of triangle yoke plate 1 for connecting one end of 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 utility model 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 utility model, completing the operation of charged for replacement 220kV narrow base tower strain insulator string.
Above are only an embodiment of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design to carry out the change of unsubstantiality to the utility model, all should belong to the behavior of invading the utility model protection range.
Claims (6)
1. charged for replacement 220kV narrow base tower strain insulator string instrument, it is characterized in that: by order to connect the triangle link plate clamping tool of 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 connecting one end and the right angle link plate clamping tool of triangle yoke plate for connecting one end of 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. 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. 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. 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. 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. the 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.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138202.8U CN203813320U (en) | 2014-03-25 | 2014-03-25 | Tool for live exchange of 220 kV narrow base tower strain insulator string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420138202.8U CN203813320U (en) | 2014-03-25 | 2014-03-25 | Tool for live exchange of 220 kV narrow base tower strain insulator string |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203813320U true CN203813320U (en) | 2014-09-03 |
Family
ID=51452029
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420138202.8U Expired - Lifetime CN203813320U (en) | 2014-03-25 | 2014-03-25 | Tool for live exchange of 220 kV narrow base tower strain insulator string |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203813320U (en) |
Cited By (2)
| 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 |
| CN103825222A (en) * | 2014-03-25 | 2014-05-28 | 国家电网公司 | Tool for changing 220kV narrow base tower strain insulator string with charges |
-
2014
- 2014-03-25 CN CN201420138202.8U patent/CN203813320U/en not_active Expired - Lifetime
Cited By (4)
| 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 |
| CN103825222A (en) * | 2014-03-25 | 2014-05-28 | 国家电网公司 | Tool for changing 220kV narrow base tower strain insulator string with charges |
| CN103825222B (en) * | 2014-03-25 | 2016-09-14 | 国家电网公司 | A kind of charged for replacement 220kV narrow base tower strain insulator string instrument |
| 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 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140903 Effective date of abandoning: 20160914 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |