CN104201613B - Far-end operation changes device and the application process thereof of straight line list insulator string - Google Patents
Far-end operation changes device and the application process thereof of straight line list insulator string Download PDFInfo
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- CN104201613B CN104201613B CN201410488731.5A CN201410488731A CN104201613B CN 104201613 B CN104201613 B CN 104201613B CN 201410488731 A CN201410488731 A CN 201410488731A CN 104201613 B CN104201613 B CN 104201613B
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- insulator string
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- fixed mount
- side bar
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- 239000012212 insulator Substances 0.000 title claims abstract description 61
- 238000000034 method Methods 0.000 title claims abstract description 10
- 239000004020 conductor Substances 0.000 claims description 32
- 239000000725 suspension Substances 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 230000001737 promoting effect Effects 0.000 claims description 7
- 230000015572 biosynthetic process Effects 0.000 claims description 3
- 239000000284 extract Substances 0.000 claims description 3
- 239000004593 Epoxy Substances 0.000 claims description 2
- 239000011111 cardboard Substances 0.000 claims description 2
- 239000011152 fibreglass Substances 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
Abstract
The invention discloses a kind of device changing straight line list insulator string, comprise fixed mount and be connected to the coaster below it, fixed mount is fixed on cross-arm, its shaft end is connected with worm gear device, worm gear device is moved along fixed mount by pulley and insulating cord band pulley, the front end of coaster is promoted to be inclined upwardly by pulley and lifting insulating cord and holds insulator string, make the connection load transfer of its upper end and cross-arm on the clamp of coaster, the connection load of insulator string lower end and wire is by link up with and pulley assembly is transferred on fixed mount, so conveniently dismantle insulator string.The invention also discloses a kind of method utilizing this device to change linear insulator chain, by cooperatively interacting of shaft operating personnel and Ground Operation personnel, operating personnel all takes earth potential indirect operation to change insulator, make the replacement operation of insulator string all at shaft end, away from insulator string, achieve safety, efficiently object.
Description
Technical field
The present invention relates to a kind of transmission line of straight line list insulator string, be specifically related to device and application process thereof that a kind of far-end operation changes straight line list insulator string on transmission line.
Background technology
Current replacing straight line list insulator string operation, generally that assembly pulley or jig are stepped on bar to wire hitch point place by an operating personnel, another operating personnel is by flat ladder or rope ladder, step on to wire, two operating personnels' cooperations install instrument, transfer load, changes the step such as insulator, removal tool and fulfils assignment.And existing compact line, multiple-loop line transmission line and multiple-loop line compact line ubiquity shaft tower is high, shaft tower pattern is various, the feature such as cross-arm spacing and alternate clearance is little, conductor arrangement relative complex, this feature of multiple-loop line transmission line in the middle of city is particularly evident, make it safe distance and can not meet live line working requirement, utilize existing method to carry out live line working.
Summary of the invention
The object of the present invention is to provide a kind of safe, efficient device at shaft side operation replacing straight line list insulator string and utilize this device to change the method for straight line list insulator string.
The invention discloses a kind of device changing straight line list insulator string, comprise fixed mount and be connected to the coaster below it, the shaft end of fixed mount is connected with worm gear device, and worm gear device band pulley moves along fixed mount.Fixed mount comprises two parallel side bars and the left tie-beam be connected between its two ends and right tie-beam.Left tie-beam is positioned at the shaft end of side bar, it offers slotted hole along its length, two adjustment screw mandrels are vertically had to pass in slotted hole, regulating the lower end of screw mandrel to be connected with fixture block for clamping cross-arm base, regulating screw mandrel to be located by the end face of the nut on it and left tie-beam and bottom surface; Right tie-beam is positioned at the conductor wire end of side bar, its length direction two ends are all connected with F type fixture, the U-shaped opening of F type fixture clamps right tie-beam, the equal extension in offside top and bottom of its U-shaped opening stretches out formation two parallel-plate, the pair upper parallel-plate is connected with vertically regulates screw mandrel, its upper end is by nut and this parallel-plate is fixed, lower end is connected with jig arm bar, and jig arm bar is slidably through lower parallel-plate, and its end is connected with clamping plate.Side bar is hollow epoxy fiberglass pipe, the shaft end that its conductor wire end outer face is connected with in coaxial sister block, its pipe by bearing is connected with single-sheaved block by pulley spindle, the chute of sister block and single-sheaved block, all along the Width of side bar, the tube wall that in pipe, single-sheaved block is corresponding offers the breach being located thereon side.
The end face that described two F type fixtures clamp right tie-beam side all has contiguous block, connects as a whole, contiguous block has corresponding screwed hole between two contiguous blocks by horizontal main regulation screw rod; On described right tie-beam, there is fixed block in the outside of corresponding F type fixture, and main regulation screw rod is fixed by nut through after fixed block.
Described coaster comprises rectangle clamp, suspension rod and assembly pulley, suspension rod has four, they separate from four angles of rectangle clamp, the upper end of every root suspension rod is all connected with assembly pulley, upper and lower two pulleys of assembly pulley are fixed by C type frame, are connected as a whole between the downslide wheel shaft of rectangle clamp length direction homonymy assembly pulley by connecting rod.
The upper and lower pulley of described assembly pulley lays respectively at end face and the bottom surface of described side bar, and the opening size of described C type frame mates with the height dimension of described side bar.
The corresponding side bar position, worm screw two ends of described worm gear device is connected to single-sheaved block, and worm screw is connected with described side bar by the connecting plate being positioned at single-sheaved block both sides.
Have same slip insulating cord to walk around between the sister block of the single-sheaved block at described worm screw two ends respectively and in the outer sister block of respective side edge beam conductor wire end, the two ends of slip insulating cord are individually fixed in the C type frame of described coaster homonymy.
Have same to promote insulating cord between another sister block in described side bar in the single-sheaved block of shaft end and the outer sister block of this side bar conductor wire end to walk around, described coaster is fixed on by the suspension rod of side of wire in the one end promoting insulating cord, and the other end is derived after walking around from the downside of single-sheaved block in the upside of the outer pulley of side bar conductor wire end and shaft end successively from this breach.
Outside the length direction of described side bar, corresponding described right tie-beam place is connected with pulley by support, and the chute of this pulley, along the length direction of side bar, pulley is connected with insulating cord, and the lower end of this insulating cord is connected with hook.
The invention also discloses a kind of method utilizing said apparatus to change straight line list insulator string, comprise the following steps:
(1), the coaster of this device assembles separately by Ground Operation personnel, fixed mount and other parts and each insulating cord assemble;
(2), fixed mount is positioned over the correct position of plane on cross-arm by shaft operating personnel, the side bar of fixed mount is made to be positioned at the length direction both sides of cross-arm, regulate the main regulation screw mandrel that connects between fixed mount conductor wire end two F type fixture and pair vertically to regulate screw mandrel by joystick, make F type fixture and secondary both sides and the base regulating the clamping plate of screw mandrel lower end to clamp this end cross-arm;
(3), regulated the adjustment screw mandrel of fixed mount shaft end by action bars, make the fixture block of its lower end clamp both sides, cross-arm Width base;
(4), the C type frame of coaster upper end is mounted on the side bar of fixed mount;
(5), by joystick, by promoting, the lower end of insulating cord is fixed on the suspension rod of the nearly conductor wire end of coaster, the two ends of slip insulating cord are individually fixed in the C type frame of the same side, coaster upper end;
(6), by joystick two of fixed mount conductor wire end hooks are hooked wire respectively, tighten up insulating cord simultaneously and make conductor load be transferred on fixed mount, by joystick, the W of insulator string lower end is sold and socket-clevis eye;
(7) worm gear device, is started by slip insulating cord band pulley near insulator string;
(8), lifting insulating cord tightens up by Ground Operation personnel, makes the rectangular card board of coaster between second and the 3rd insulator, and upwards mentioned by insulator string;
(9), shaft operating personnel extracts W pin and the bulb of insulator string upper end by joystick;
(10), the locking lifting insulating cord of Ground Operation personnel, make the rectangle clamp return of coaster;
(11), shaft operating personnel starts worm gear device, and extension pulley in tow insulator string moves to shaft side;
(12), insulator string taken off move to ground by being suspended on continuous rope on shaft tower;
(13), new insulator string is transported to correct position by coaster to install.
Device operation principle disclosed by the invention is as follows: be placed in by fixed mount on shaft cross-arm, side bar is made to be positioned at the both sides of cross-arm, shaft end is fixed by the fixture block and cross-arm regulating screw mandrel and lower end thereof, and conductor wire end is fixed by F type fixture, adjusting screw(rod) and screw mandrel and cleat assembly and cross-arm.Worm gear device is moved along side bar by insulating cord and pulley driving coaster.Make the outer end of coaster toward surface thereof by promoting the insulating cord of deriving from pulley in side bar shaft end.By the pulley outside side bar conductor wire end and insulating cord and hook by lifting wire, make the load transfer on insulator string.
The method utilizing this device to change straight line list insulator string disclosed by the invention, by cooperatively interacting of shaft operating personnel and Ground Operation personnel, operating personnel all takes earth potential indirect operation to change insulator, make the replacement operation of insulator string all at shaft end, away from insulator string, achieve safety, efficiently object.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is the schematic top plan view of Fig. 1.
Fig. 3 is the pulley block structure schematic diagram in Fig. 1.
Fig. 4 is the F type clamp structure schematic diagram in Fig. 1.
Embodiment
As shown in the figure, the invention discloses a kind of device changing straight line list insulator string, the fixed mount 10 comprising level and the coaster 20 be connected to below it, the shaft end of fixed mount 10 is connected with worm gear device 30, and worm gear device 30 band pulley 20 moves along fixed mount 10.
Fixed mount 10 comprises two parallel side bars 11 and is connected to left tie-beam 12 and the right tie-beam 13 at its two ends.
Left tie-beam 12 is positioned at the shaft end of side bar 11, it offers slotted hole along its length, two adjustment screw mandrels 14 are vertically had to pass in slotted hole, regulating the lower end of screw mandrel 14 to be connected with fixture block 15 for clamping cross-arm base, regulating screw mandrel 14 to be located by the end face of the nut on it and left tie-beam 12 and bottom surface.
Right tie-beam 13 is positioned at the conductor wire end of side bar 11, its length direction two ends are all connected with F type fixture 16, the U-shaped opening of F type fixture 16 clamps right tie-beam 13, the equal extension in offside top and bottom of its U-shaped opening stretches out formation two parallel-plate, the pair upper parallel-plate is connected with vertically regulates screw mandrel 161, the upper end of secondary adjustment screw mandrel 161 is by nut and this parallel-plate is fixed, lower end is connected with jig arm bar 162, and jig arm bar 162 is slidably through lower parallel-plate, and its end is connected with clamping plate 163.
The end face that two F type fixtures 16 clamp right tie-beam 13 side all has contiguous block 164, and the main regulation screw rod 19 by level between two contiguous blocks 164 connects as a whole, and contiguous block 164 has corresponding screwed hole.On right tie-beam 13, there is fixed block 131 in the outside of corresponding F type fixture 16, and main regulation screw rod 19 is fixed by nut through after fixed block 131.
Side bar 11 is hollow pipe, the shaft end that its conductor wire end outer face is connected with in coaxial sister block 17, its pipe by bearing is connected with single-sheaved block 18 by pulley spindle, their chute, all along the Width of side bar, the tube wall of interior single-sheaved block 18 correspondence of pipe offers the breach being located thereon side.
Coaster 20 comprises rectangle clamp 21, suspension rod 22 and assembly pulley 23, suspension rod 22 has four, they separate from four angles of rectangle clamp 21, the upper end of every root suspension rod 22 is all connected with assembly pulley 23, upper and lower two pulleys of assembly pulley 23 are fixed by C type frame 24, connect as a whole between the downslide wheel shaft of rectangle clamp 21 length direction homonymy assembly pulley 23 by connecting rod 25.
The upper and lower pulley of assembly pulley 23 lays respectively at end face and the bottom surface of side bar 11, and the opening size of C type frame 24 mates with the height dimension of side bar 11.
Corresponding side bar 11 position, worm screw 31 two ends of worm gear device 30 is connected to single-sheaved block 18, and worm screw 31 is connected with side bar 11 by the connecting plate being positioned at single-sheaved block 18 both sides.
Have same slip insulating cord 50 to walk around between the pulley of the single-sheaved block 18 at worm screw 31 two ends respectively and in the outer sister block 17 of respective side edge beam 11 conductor wire end, its two ends are individually fixed in the C type frame 24 of coaster 20 homonymy.Have same to promote insulating cord 60 between another pulley in side bar 11 in the single-sheaved block 18 of shaft end and the outer sister block 17 of this side bar 11 conductor wire end to walk around, its one end be fixed on coaster 2 by the suspension rod 22 of side of wire, the other end derives after walking around from the downside of pulley in the upside of the outer pulley of side bar 11 conductor wire end and shaft end successively from this breach.
Outside the length direction of side bar 11, corresponding right tie-beam 13 place is connected with pulley 40 by support, and the chute of this pulley is along the length direction of side bar, and pulley 40 is connected with insulated sling 70, its lower end is connected with hook 80.
Device operation principle disclosed by the invention is as follows: be placed in by fixed mount on shaft cross-arm, side bar is made to be positioned at the both sides of cross-arm, shaft end is fixed by the fixture block and cross-arm regulating screw mandrel and lower end thereof, and conductor wire end is fixed by F type fixture, adjusting screw(rod) and screw mandrel and cleat assembly and cross-arm.Worm gear device is moved along side bar by insulating cord and pulley driving coaster.Make the outer end of coaster toward surface thereof by promoting the insulating cord of deriving from pulley in side bar shaft end.By the pulley outside side bar conductor wire end and insulating cord and hook by lifting wire, make the load transfer on insulator string.
The invention also discloses and a kind ofly the invention also discloses a kind of method utilizing said apparatus to change straight line list insulator string, comprise the following steps:
(1), the coaster 20 of this device assembles separately by Ground Operation personnel, fixed mount 10 assembles with other parts and each insulating cord;
(2), fixed mount 10 is positioned over the correct position of plane on cross-arm by shaft operating personnel, the side bar 11 of fixed mount 10 is made to be positioned at the length direction both sides of cross-arm, regulate the main regulation screw mandrel 19 of connection between fixed mount 11 conductor wire end two F type fixture 16 and pair vertically to regulate screw mandrel 161 by joystick, make F type fixture 16 and secondary both sides and the base regulating the clamping plate 163 of screw mandrel 16 lower end to clamp this end cross-arm;
(3), regulated the adjustment screw mandrel 14 of fixed mount 10 shaft end by action bars, make the fixture block 15 of its lower end clamp both sides, cross-arm Width base;
(4), the C type frame 24 of coaster 2 upper end is mounted on the side bar 11 of fixed mount 10;
(5), be fixed on the suspension rod 22 of the nearly conductor wire end of coaster 2 by joystick by promoting the lower end of insulating cord 60, the two ends of slip insulating cord 50 are individually fixed in the C type frame 24 of the same side, coaster 2 upper end;
(6), by joystick two of fixed mount 10 conductor wire end hooks 80 are hooked wire respectively, tighten up insulating cord 70 simultaneously and make conductor load be transferred on fixed mount 10, by joystick, the W of insulator string lower end is sold and socket-clevis eye;
(7) worm gear device 30, is started by slip insulating cord 50 band pulley 2 near insulator string;
(8), lifting insulating cord 60 tightens up by Ground Operation personnel, the rectangle clamp 21 of coaster 20 is stuck between second and the 3rd insulator, and upwards mentioned by insulator string;
(9), shaft operating personnel extracts W pin and the bulb of insulator string upper end by joystick;
(10), the locking lifting insulating cord 60 of Ground Operation personnel, make rectangle clamp 21 return of coaster 20;
(11), shaft operating personnel starts worm gear device 30, and extension pulley 20 in tow insulator string moves to shaft side;
(12), insulator string taken off move to ground by being suspended on continuous rope on shaft tower;
(13), new insulator string is transported to correct position by coaster 2 to install.
Operating personnel all takes earth potential indirect operation to change insulator string, and operation is all carried out in the shaft side of cross-arm, has the advantage of safety and efficiently.
Claims (9)
1. far-end operation changes a device for straight line list insulator string, it is characterized in that: this device comprises fixed mount and is connected to the coaster below it, and the shaft end of fixed mount is connected with worm gear device, and worm gear device band pulley moves along fixed mount; Fixed mount comprises two parallel side bars and the left tie-beam be connected between its two ends and right tie-beam;
Left tie-beam is positioned at the shaft end of side bar, it offers slotted hole along its length, two adjustment screw mandrels are vertically had to pass in slotted hole, regulating the lower end of screw mandrel to be connected with fixture block for clamping cross-arm base, regulating screw mandrel to be located by the end face of the nut on it and left tie-beam and bottom surface; Right tie-beam is positioned at the conductor wire end of side bar, its length direction two ends are all connected with F type fixture, the U-shaped opening of F type fixture clamps right tie-beam, the equal extension in offside top and bottom of its U-shaped opening stretches out formation two parallel-plate, the pair upper parallel-plate is connected with vertically regulates screw mandrel, its upper end is by nut and this parallel-plate is fixed, lower end is connected with jig arm bar, and jig arm bar is slidably through lower parallel-plate, and its end is connected with clamping plate;
Side bar is hollow epoxy fiberglass pipe, the shaft end that its conductor wire end outer face is connected with in coaxial sister block, its pipe by bearing is connected with single-sheaved block by pulley spindle, the chute of sister block and single-sheaved block, all along the Width of side bar, the tube wall that in pipe, single-sheaved block is corresponding offers the breach being located thereon side.
2. far-end operation as claimed in claim 1 changes the device of straight line list insulator string, it is characterized in that: the end face that described two F type fixtures clamp right tie-beam side all has contiguous block, connect as a whole by horizontal main regulation screw rod between two contiguous blocks, contiguous block has corresponding screwed hole; On described right tie-beam, there is fixed block in the outside of corresponding F type fixture, and main regulation screw rod is fixed by nut through after fixed block.
3. far-end operation as claimed in claim 2 changes the device of straight line list insulator string, it is characterized in that: described coaster comprises rectangle clamp, suspension rod and assembly pulley, suspension rod has four, they separate from four angles of rectangle clamp, the upper end of every root suspension rod is all connected with assembly pulley, upper and lower two pulleys of assembly pulley are fixed by C type frame, are connected as a whole between the downslide wheel shaft of rectangle clamp length direction homonymy assembly pulley by connecting rod.
4. far-end operation as claimed in claim 3 changes the device of straight line list insulator string, it is characterized in that: the upper and lower pulley of described assembly pulley lays respectively at end face and the bottom surface of described side bar, and the opening size of described C type frame mates with the height dimension of described side bar.
5. far-end operation as claimed in claim 4 changes the device of straight line list insulator string, it is characterized in that: the corresponding side bar position, worm screw two ends of described worm gear device is connected to single-sheaved block, and worm screw is connected with described side bar by the connecting plate being positioned at single-sheaved block both sides.
6. far-end operation as claimed in claim 5 changes the device of straight line list insulator string, it is characterized in that: have same slip insulating cord to walk around between the sister block of the single-sheaved block at described worm screw two ends respectively and in the outer sister block of respective side edge beam conductor wire end, the two ends of slip insulating cord are individually fixed in the C type frame of described coaster homonymy.
7. far-end operation as claimed in claim 6 changes the device of straight line list insulator string, it is characterized in that: have same to promote insulating cord between another sister block in described side bar in the single-sheaved block of shaft end and the outer sister block of this side bar conductor wire end and walk around, described coaster is fixed on by the suspension rod of side of wire in the one end promoting insulating cord, and the other end is derived after walking around from the downside of single-sheaved block in the upside of the outer pulley of side bar conductor wire end and shaft end successively from this breach.
8. far-end operation as claimed in claim 7 changes the device of straight line list insulator string, it is characterized in that: outside the length direction of described side bar, corresponding described right tie-beam place is connected with pulley by support, the chute of this pulley is along the length direction of side bar, pulley is connected with insulating cord, and the lower end of this insulating cord is connected with hook.
9. the device utilizing the far-end operation described in claim 8 to change straight line list insulator string changes a method for straight line list insulator string, comprises the following steps:
(1), the coaster of this device assembles separately by Ground Operation personnel, fixed mount and other parts and each insulating cord assemble;
(2), fixed mount is positioned over the correct position of plane on cross-arm by shaft operating personnel, the side bar of fixed mount is made to be positioned at the length direction both sides of cross-arm, regulate the main regulation screw rod that connects between fixed mount conductor wire end two F type fixture and pair vertically to regulate screw mandrel by joystick, make F type fixture and secondary both sides and the base regulating the clamping plate of screw mandrel lower end to clamp this end cross-arm;
(3), regulated the adjustment screw mandrel of fixed mount shaft end by action bars, make the fixture block of its lower end clamp both sides, cross-arm Width base;
(4), the C type frame of coaster upper end is mounted on the side bar of fixed mount;
(5), by joystick, by promoting, the lower end of insulating cord is fixed on the suspension rod of the nearly conductor wire end of coaster, the two ends of slip insulating cord are individually fixed in the C type frame of the same side, coaster upper end;
(6), by joystick two of fixed mount conductor wire end hooks are hooked wire respectively, tighten up insulating cord simultaneously and make conductor load be transferred on fixed mount, by joystick, the W of insulator string lower end is sold and socket-clevis eye;
(7) worm gear device, is started by slip insulating cord band pulley near insulator string;
(8), lifting insulating cord tightens up by Ground Operation personnel, makes the rectangular card board of coaster between second and the 3rd insulator, and upwards mentioned by insulator string;
(9), shaft operating personnel extracts W pin and the bulb of insulator string upper end by joystick;
(10), the locking lifting insulating cord of Ground Operation personnel, make the rectangle clamp return of coaster;
(11), shaft operating personnel starts worm gear device, and extension pulley in tow insulator string moves to shaft side;
(12), insulator string taken off move to ground by being suspended on continuous rope on shaft tower;
(13), new insulator string is transported to correct position by coaster to install.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488731.5A CN104201613B (en) | 2014-09-23 | 2014-09-23 | Far-end operation changes device and the application process thereof of straight line list insulator string |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410488731.5A CN104201613B (en) | 2014-09-23 | 2014-09-23 | Far-end operation changes device and the application process thereof of straight line list insulator string |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104201613A CN104201613A (en) | 2014-12-10 |
| CN104201613B true CN104201613B (en) | 2016-03-16 |
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| CN201410488731.5A Active CN104201613B (en) | 2014-09-23 | 2014-09-23 | Far-end operation changes device and the application process thereof of straight line list insulator string |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107147034A (en) * | 2017-05-12 | 2017-09-08 | 国家电网公司 | Tension-resistant rod insulator replacement device |
| CN107069562B (en) * | 2017-06-28 | 2019-03-08 | 云南电网有限责任公司曲靖供电局 | Replacing insulator under electrified method and load transfer device |
| CN107086495B (en) * | 2017-06-28 | 2019-05-31 | 云南电网有限责任公司曲靖供电局 | Load transfer tool and electric power maintenance equipment |
| CN107086499B (en) * | 2017-06-28 | 2019-03-08 | 云南电网有限责任公司曲靖供电局 | Conductor load transfer tool and replacing insulator string device |
| CN107769088A (en) * | 2017-11-16 | 2018-03-06 | 常州机电职业技术学院 | One kind power supply electric pole conduction wire riser |
| CN108436430B (en) * | 2018-05-02 | 2020-01-07 | 国家电网公司 | Special dress round pin ware of M round pin based on automatic coaster |
| CN109038365B (en) * | 2018-08-10 | 2019-12-31 | 国网四川省电力公司检修公司 | Load hoisting system for live replacement of 500kV linear insulator string |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU694925A1 (en) * | 1978-06-12 | 1979-10-30 | Главное Управление Энергетики И Электрификации При Совете Министров Молдавской Сср "Молдглавэнерго" | Device for replacing insulators of overhead high-voltage power transmission lines |
| CN102142661A (en) * | 2010-01-28 | 2011-08-03 | 上海东捷电力高压带电作业有限公司 | Method for replacing 35 kV linear insulator for ground potential |
| US8782885B2 (en) * | 2011-12-19 | 2014-07-22 | Haverfield International Incorporated | Method for replacing an electrical supension insulator on a tower |
| CN204144792U (en) * | 2014-09-23 | 2015-02-04 | 国家电网公司 | Far-end operation changes the device of straight line list insulator string |
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Inventor after: Zou Dehua Inventor after: Xia Zengming Inventor after: Liu Xiaqing Inventor after: Niu Jie Inventor after: Zhou Guandong Inventor after: Liu Tuocheng Inventor after: Wang Zhigang Inventor after: Yang Miao Inventor after: Zhang Jianjun Inventor after: Li Hui Inventor before: Liu Xiaqing Inventor before: Zou Dehua Inventor before: Niu Jie Inventor before: Liu Tuocheng Inventor before: Zhang Jianjun Inventor before: Wu Liuxin Inventor before: Li Hui Inventor before: Lei Dongyun |
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Free format text: CORRECT: INVENTOR; FROM: LIU XIAQING ZOU DEHUA NIU JIE LIU TUOSHENG ZHANG JIANJUN WU LIUXIN LI HUI LEI DONGYUN TO: ZOU DEHUA LIU XIAQING NIU JIE ZHOU GUANDONG LIU TUOSHENG WANG ZHIGANG YANG MIAO ZHANG JIANJUN LI HUI XIA ZENGMING |
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| CB03 | Change of inventor or designer information |
Inventor after: Xia Zengming Inventor after: Li Hui Inventor after: Zou Dehua Inventor after: Liu Xiaqing Inventor after: Niu Jie Inventor after: Zhou Guandong Inventor after: Liu Tuocheng Inventor after: Wang Zhigang Inventor after: Zhang Jianjun Inventor after: Chen Long Inventor before: Zou Dehua Inventor before: Xia Zengming Inventor before: Liu Xiaqing Inventor before: Niu Jie Inventor before: Zhou Guandong Inventor before: Liu Tuocheng Inventor before: Wang Zhigang Inventor before: Yang Miao Inventor before: Zhang Jianjun Inventor before: Li Hui |
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| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |