CN200962505Y - A falling-prevention device for replacing high-voltage electricity transmission line - Google Patents
A falling-prevention device for replacing high-voltage electricity transmission line Download PDFInfo
- Publication number
- CN200962505Y CN200962505Y CN 200620044908 CN200620044908U CN200962505Y CN 200962505 Y CN200962505 Y CN 200962505Y CN 200620044908 CN200620044908 CN 200620044908 CN 200620044908 U CN200620044908 U CN 200620044908U CN 200962505 Y CN200962505 Y CN 200962505Y
- Authority
- CN
- China
- Prior art keywords
- pulley
- transmission line
- replacing
- high voltage
- thing
- 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
Abstract
An anti-falling apparatus used in replacing operation of high-voltage transmission line comprises a pulley block and an insulating dragline (L) through the pulley block, the pulley block comprises a pulley (1) slip-connected with the awaiting replacing line, a pulley (2) slip-connected with the line below the awaiting replacing line, and a pulley (3). The insulating dragline (L) passes through the pulley (1) on the awaiting replacing line and the pulley (3). The anti-falling apparatus used in replacing operation of high-voltage transmission line of the utility model can avoid various accidents caused by falling down in line replacing operation, and avoid obstructing the spanned object when replacing line. Further, the anti-falling apparatus used in replacing operation of high-voltage transmission line of the utility model can avoid direct contact between the insulting dragline and a wire, thereby avoiding the rupture of the insulting dragline caused by the repeating friction between the insulting dragline and the wire. The utility model can reduce operation intensity and improve operation efficiency.
Description
Technical field
The utility model relates to a kind of falling proof device that high voltage transmission line is used of changing, in particular, the utility model relates to a kind of like this falling proof device that high voltage transmission line is used of changing, the falling proof device of using according to replacing high voltage transmission line of the present utility model, can be between to two electric power pylons, when being positioned at the ultra-high-tension power transmission line of being crossed over above the thing and changing, do not hinder described by leap thing ground, when easily carrying out the replacing of power transmission line, prevent because of changing the generation of the various accidents that falling of circuit cause.
Background technology
In service in the high pressure that spreads all over domestic vast both urban and rural area and ehv power transmission engineering and power transmission and transformation thereof, must use the 220-500 kilovolt transmission line of long distance, described high pressure and ehv power transmission circuit are promptly gone up phase conductor, middle phase conductor and following phase conductor and are formed generally by a phase ground wire and a three-phase conducting wire.Be to guarantee power transmission and transformation security of operation, reliable, will test every year to the leading of described high pressure and ehv power transmission circuit, ground wire, finds that the defeated change lead wire and earth wire of deterioration promptly need award timely replacing.
For guaranteeing the safe operation of high pressure and ehv power transmission engineering and power transmission and transformation thereof, must use the power transmission and transformation iron tower.Between 200-400 rice, the height of Jia Kong power transmission and transformation line is between 40-80 rice therebetween usually for described power transmission and transformation iron tower spacing.
Because the necessary 220-500 kilovolt transmission line that uses long distance, therefore, inevitably, the quilt that needs to cross over such as house, railway, communication apparatus, various industry, civilian installation etc. in the way of described power transmission and transformation line is crossed over thing.In some occasion, even must cross over former already present high-tension line and communication line etc.If when the lead wire and earth wire of these being crossed over the high voltage transmission line above the thing is changed, the lead wire and earth wire by the high voltage transmission line of leap thing top that careless manipulation causes changing is easily fallen, and crossed over thing and contacted with described, the consequence that causes thus is, light then hinder the normal operation of described house, railway, communication apparatus, various industry, civilian installation etc., heavy then cause the generation of the accident of varying degree.Obviously, when the lead wire and earth wire of these being crossed over the high voltage transmission line above the thing was changed, the lead wire and earth wire that must handle with great care the high voltage transmission line of avoiding being crossed over the thing top was contacted by the leap thing with described.
Up to now, when the lead wire and earth wire of these being crossed over the high voltage transmission line above the thing is changed, generally be between two iron towers, lay a slippage thereon on the lead wire and earth wire of the high voltage transmission line of being crossed over the thing top of replacing to be replaced, and the pulley that is connected with described lead wire and earth wire, draw an insulation stay cord on the pulley, tensioner and/or hauling machine by the setting of two iron tower places, simultaneously, nationality is by the manpower pulling insulation stay cord on ground, the lead wire and earth wire by the high voltage transmission line above the leap thing of replacing to be replaced is hung down to by leap thing top, operate in the face of the track replacement above the quilt leap thing on ground by the workmen.
At manpower pulling insulation stay cord, the lead wire and earth wire of the high voltage transmission line of being crossed over the thing top to be replaced is hung down in the process of being crossed over the thing top, if when the lead wire and earth wire of these being crossed over the high voltage transmission line above the thing is changed, the lead wire and earth wire by the high voltage transmission line of leap thing top that careless manipulation causes changing is easily fallen, and is contacted by the leap thing with described.
In addition, inevitably, stay cord falls to being hung on the power transmission line of lead wire and earth wire below of described high voltage transmission line to be replaced because lead wire and earth wire sagging causes insulating, when the required lead wire and earth wire to be replaced of operation moves, and the strong friction of power transmission line generation of insulation stay cord and its below.The insulation stay cord because of with the friction repeatedly of lead, the stay cord that often causes insulating fracture, this also makes lead wire and earth wire to be replaced fall, and is contacted by the leap thing with described.
Fall in that above-mentioned lead wire and earth wire to be replaced takes place, and crossed under the situation that thing contacts with described, light then hinder the normal operation of described house, railway, communication apparatus, various industry, civilian installation etc., heavy then cause the generation of the accident of varying degree.Particularly, in the occasion that the lead wire and earth wire of high voltage transmission line to be replaced is crossed over former already present high-tension line and communication line etc., the lead wire and earth wire of high voltage transmission line to be replaced contacts with the lead wire and earth wire of the high voltage transmission line of its below, then will cause serious accident to take place.
Have again, according to said method, in the bigger occasion of leap amplitude of quilt being crossed over thing, lead wire and earth wire to the high voltage transmission line of being crossed over the thing top is changed very inconvenience of operation, and the lead wire and earth wire of the high voltage transmission line of being crossed over the thing top of replacing contacts, hinders described situation by the normal operation of leap thing etc. to happen occasionally with the described thing of being crossed over.
In addition, in above-mentioned occasion, because described power transmission and transformation iron tower spacing is usually at 200-400 rice, for example between 300 meters, the height of Jia Kong power transmission and transformation line is between 40-80 rice therebetween, and when the lead wire and earth wire of high voltage transmission line was changed, lead wire and earth wire to be replaced often jumped to the circuit shelves outside easily, can't change, need that this circuit is chosen to the circuit shelves the rear flank and just can operate.
Again, spur the insulation stay cord on ground by the workmen, lead wire and earth wire on the power transmission line of the lead wire and earth wire below that falls to being hung on described high voltage transmission line to be replaced because of the sagging stay cord that causes insulating is spurred when moving lead wire and earth wire to be replaced, the labour intensity that carries out track replacement operating manpower pulling insulation stay cord is very big, changes efficient and supports down.
For overcoming above-mentioned deficiency, designer of the present utility model finds, when the high voltage transmission line above quilt being crossed over thing is changed, nationality is by the use of one group of assembly pulley, can be at manpower pulling insulation stay cord, make hanging down in the process of being crossed over the thing top of the high voltage transmission line of being crossed over the thing top to be replaced, avoid because of careless manipulation, or the power transmission line to be replaced that makes the fracture of insulation stay cord cause because of the power transmission line generation intense attrition of insulation stay cord and its below falls, and avoids being contacted the generation that cause accident with described by the leap thing because of power transmission line to be replaced falls.
In addition, according to said method, the labour intensity in the face of the track replacement operation above the quilt leap thing reduces on ground by the workmen, improves replacing efficient.
Summary of the invention
The purpose of this utility model is, a kind of falling proof device that high voltage transmission line is used of changing is provided, it is characterized in that,
Described device comprises: one group of pulley and pass therebetween insulation stay cord L,
Described assembly pulley comprises:
Be slidingly connected to the pulley 1 on the circuit to be replaced,
Be slidingly connected to the pulley 2 on the circuit of circuit to be replaced below, and
The pulley 3 that is connected with pulley 2,
Described insulation stay cord L passes pulley 1 and the pulley 3 on the circuit to be replaced.
Be more preferably, according to the falling proof device that replacing high voltage transmission line of the present utility model is used, the pulley 2 on the described circuit that is slidingly connected to circuit to be replaced below is connected apart from scalable with the suspension of pulley 3.
Thus, can be at manpower pulling insulation stay cord, the high voltage transmission line of being crossed over the thing top to be replaced is hung down in the process of being crossed over the thing top, avoiding insulating, strong friction takes place in stay cord and the power transmission line below it and the insulation stay cord ruptures, and avoids being contacted the generation that cause accident with described by the leap thing because of power transmission line to be replaced falls.
In addition, according to said method, the labour intensity in the face of the track replacement operation above the quilt leap thing reduces on ground by the workmen, improves replacing efficient.
The simple declaration of accompanying drawing
Figure 1A is depicted as the schematic diagram of falling proof device that replacing high voltage transmission line in the past the uses user mode one when being used for being crossed over above the thing.
Figure 1B is depicted as the schematic diagram of the user mode two when being used for being crossed over above the thing of falling proof device that replacing high voltage transmission line in the past uses.
Figure 2 shows that the connection layout of the assembly pulley in the falling proof device that replacing high voltage transmission line of the present utility model uses.
Fig. 3 A is depicted as the schematic diagram of the user mode one of falling proof device that replacing high voltage transmission line of the present utility model a uses embodiment when being used for being crossed over above the thing.
Fig. 3 B is depicted as the schematic diagram of falling proof device that replacing high voltage transmission line of the present utility model the uses user mode two of an embodiment when being used for being crossed over above the thing.
Figure 4 shows that the state diagram in using of falling proof device that replacing high voltage transmission line of the present utility model uses.
Among the figure, L is the insulation stay cord that passes between assembly pulley, 1 is the pulley of slippage on circuit to be replaced (for example ground wire) in the described assembly pulley, 2 are the pulley of slippage on the circuit (for example going up phase conductor) of circuit to be replaced below, 3 is pulley, in the way, described insulation stay cord L passes pulley 1 and the pulley 3 on the circuit to be replaced.4 is ground wire, and 5 is last phase conductor, and 6 is middle phase conductor, and 7 is tensioner or hauling machine.B is crossed over thing.T is an iron tower for power transmission and transformation line.
Embodiment
Below, with reference to accompanying drawing, describe the utility model in detail with embodiment.
With reference to Fig. 1-Fig. 4.A kind ofly change the falling proof device that high voltage transmission line is used, described device comprises: described device comprises: one group of pulley and pass therebetween insulation stay cord L,
Described assembly pulley comprises:
Be slidingly connected to the pulley 1 on the circuit to be replaced,
Be slidingly connected to the pulley 2 on the circuit of circuit to be replaced below, and
Hang the pulley 3 that is connected with pulley 2,
Described insulation stay cord L passes pulley 1 and the pulley 3 on the circuit to be replaced.After described insulation stay cord L passes pulley 1 and pulley 3 on the circuit to be replaced, its two end can be by terrestrial operation personnel operation, control, easily spur power transmission line to be replaced by pulley, or easily move described assembly pulley on part of path to be replaced, change needs the part of path of replacing.
Use above-mentioned assembly pulley, the 220-500 kilovolt transmission line of growing distance is carried out ground wire change.Cross over house, railway, communication apparatus etc. in the way of described power transmission and transformation line.Described power transmission and transformation iron tower spacing is usually at 300 meters, and the height of the power transmission and transformation line that it is built on stilts is at 45 meters.
At first, between two iron towers, the pulley 1 of laying a slippage thereon and being connected on the ground wire 4 of the high voltage transmission line above the thing of being crossed over to be replaced with described ground wire 4.Be positioned at below the above-mentioned ground wire 4 of being crossed over the high voltage transmission line above the thing B to be replaced on the pulley 2 laying a slippage thereon and be connected on the phase conductor 5 with described ground wire 4.Pulley 2 belows hang and connect pulley 3.Be slidingly connected on the pulley 1 and draw an insulation stay cord L, tensioner and/or hauling machine 7 by the setting of two iron tower T places, simultaneously, nationality spurs, controls insulation stay cord L by the manpower on ground at two ends, make the ground wire 4 of being crossed over the high voltage transmission line of thing B top to be replaced hang down to the below of the last phase conductor 5 of its below, crossed over the top of thing, form sag, this ground wire is changed by the workmen.
Change end of operation, by the pulling of terrestrial operation personnel two ends, control insulation stay cord,, ground wire is restored to original position again by the tensioner of two iron tower places setting and/or the traction of hauling machine 7.
Because one group of assembly pulley is set, make the ground wire of the high voltage transmission line of being crossed over the thing top to be replaced 4 sagging, form in the process of sag, can not be mounted on the last phase conductor 5 of its below, can not rub with it yet, rupture.Stay cord is by the ground wire 4 of the pulley pulling high voltage transmission line of being crossed over the thing top to be replaced.Thus, make the workmen below the labour intensity of being crossed over the track replacement operation above the thing is reduced, improve and change efficient, avoid the generation of accident.
For example, in the present embodiment, if what need to change is Gj-50 ground wire (340 kilograms of every kms), then each is got over the line pulley and is subjected to 51 kilograms of gravity, changes method and apparatus by the ground wire of in the past single-sheaved block, needs 3～4 Ground Operation hands can spur reluctantly.And adopt more changing device of the present utility model, only 1 operation hand just can be operated.
In the present embodiment, be used for being crossed over the falling proof device that the replacing high voltage transmission line of thing top is used, the pulley 2 of described slippage on the circuit of circuit to be replaced below done suspensions with pulley 3 and is connected.And the pulley 2 of described slippage on the circuit of circuit to be replaced below is connected apart from scalable with the suspension of pulley 3.Thus, can be used in the occasion of various differing heights.
Except using above-mentioned assembly pulley, the 220-500 kilovolt transmission line of long distance is gone up phase conductor 5 to be changed, and cross over another high voltage power transmission and transforming circuit in the way of described power transmission and transformation line, the height of built on stilts power transmission and transformation line is outside 80 meters between described power transmission and transformation iron tower T, and other are as embodiment 1.
During operation, between two iron towers, lay a slippage thereon on the last phase conductor 5 of the high voltage transmission line of being crossed over the thing top to be replaced, and the pulley 1 that is connected with described upward phase conductor 5, draw an insulation stay cord L on the pulley 1, tensioner and/or hauling machine 7 by the setting of two iron tower T places, simultaneously, nationality is by the manpower pulling insulation stay cord L on ground, make the last phase conductor by the high voltage transmission line of leap thing top to be replaced fall in the below of the middle phase conductor 6 of its below for 5 times, crossed over the top of thing, form sag, the last phase conductor 5 of being crossed over the thing top is changed by the workmen.Change end of operation, spur the insulation stay cord by the terrestrial operation personnel again,, will go up phase conductor and restore to original position by the tensioner of two iron tower places setting and/or the traction of hauling machine.
According to present embodiment, make the last phase conductor of the high voltage transmission line of being crossed over the thing top to be replaced 5 sagging, form in the process of sag, can not be mounted on the middle phase conductor 6 of its below, can not rub with it yet, rupture.Stay cord is by the last phase conductor 5 of the pulley pulling high voltage transmission line of being crossed over the thing top to be replaced.Thus, the labour intensity that makes the workmen operate in the face of the track replacement above the quilt leap thing on ground reduces, and improves replacing efficient.Avoid the generation of accident.
In the present embodiment, if what need to change is that Gj-50 goes up phase conductor (340 kilograms of every kms), then each is got over the line pulley and is subjected to 51 kilograms of gravity, changes method and apparatus by the last phase conductor of in the past single-sheaved block, need can spur reluctantly by 3～4 Ground Operation hands.And adopt more changing device of the present utility model, only 1 operation hand just can be operated.
Except using two-three groups of above-mentioned assembly pulleys, to the width distance of being crossed over thing (communications service, factory building etc.) is the replacing that one, 20 meter 220-500 kilovolt transmission line carries out ground wire 4 and goes up phase conductor 5 etc., and cross over another high voltage power transmission and transforming circuit in the way of described power transmission and transformation line, the height of built on stilts power transmission and transformation line is outside 80 meters between described power transmission and transformation iron tower T, and other are as embodiment 1.
Except using above-mentioned assembly pulley, outside phase conductor 6 was changed during the 220-500 kilovolt transmission line of long distance carried out, other were as embodiment 1 or 2.In carrying out during the replacing of phase conductor 6, between two iron towers, on the middle phase conductor 6 of being crossed over the high voltage transmission line above the thing B to be replaced, lay a slippage thereon and with described in the pulley 1 that is connected of phase conductor 6.The pulley 2 of on the following phase conductor (not shown) that is arranged in below the above-mentioned phase conductor 6 of being crossed over the high voltage transmission line above the thing to be replaced, laying a slippage thereon and being connected with described phase conductor down.Pulley 2 belows hang and connect pulley 3.Be slidingly connected on the pulley 1 and draw an insulation stay cord L, tensioner and/or hauling machine by the setting of two iron tower places, simultaneously, nationality spurs, controls insulation stay cord L by the manpower on ground at two ends, make the middle phase conductor 6 of being crossed over the high voltage transmission line of thing top to be replaced hang down to the below of the following phase conductor of its below, crossed over the top of thing, form sag, phase conductor in this 6 is changed by the workmen.
Change end of operation, spur the insulation stay cord by the terrestrial operation personnel again,, middle phase conductor is restored to original position by the tensioner of two iron tower places setting and/or the traction of hauling machine.
Use above-mentioned assembly pulley, descend phase conductor (not shown) when changing, the pulley 1 that can on following phase conductor, lay a slippage thereon and be connected with described phase conductor down to the 220-500 kilovolt transmission line of growing distance.On middle phase conductor 6, lay pulley 2.Pulley 2 belows hang and connect pulley 3.Be slidingly connected on the pulley 1 and draw an insulation stay cord L, tensioner and/or hauling machine (not shown) by the setting of two iron tower places, simultaneously, nationality spurs, controls insulation stay cord L by the manpower on ground at two ends, make the following phase conductor of the high voltage transmission line of being crossed over the thing top to be replaced sagging, form sag, this time phase conductor is changed by the workmen.
The falling proof device of using according to the replacing high voltage transmission line that is used for being crossed over thing top of the present utility model, in the way of described power transmission and transformation line, need to cross over such as the house, railway, communication apparatus, various industry, being crossed over above the thing of civilian installation etc., when the lead wire and earth wire of the high voltage transmission line between two iron towers is changed, nationality is by the use of one group of assembly pulley, can be at manpower pulling insulation stay cord, make hanging down in the process of being crossed over the thing top of the high voltage transmission line of being crossed over the thing top to be replaced, avoid because of careless manipulation, or the power transmission line to be replaced that makes the fracture of insulation stay cord cause because of the power transmission line generation intense attrition of insulation stay cord and its below falls, and avoids being contacted the generation that cause accident with described by the leap thing because of power transmission line to be replaced falls.
In addition, according to said method, the labour intensity in the face of the track replacement operation above the quilt leap thing reduces on ground by the workmen, improves replacing efficient.
Claims (3)
1. change the falling proof device that high voltage transmission line is used for one kind, it is characterized in that, described device comprises one group of pulley and the insulation stay cord (L) that passes therebetween, described assembly pulley comprises the pulley (1) that slidably is connected on the circuit to be replaced, be slidingly connected to pulley (2) on the circuit of circuit to be replaced below and the pulley (3) that is connected with pulley (2), and described insulation stay cord (L) passes pulley (1) and the pulley (3) on the circuit to be replaced.
2. the falling proof device that replacing high voltage transmission line as claimed in claim 1 is used is characterized in that, the pulley (2) on the described circuit that is slidingly connected to circuit to be replaced below is done suspension with pulley (3) and is connected.
3. the falling proof device that replacing high voltage transmission line as claimed in claim 2 is used is characterized in that, the pulley (2) on the described circuit that is slidingly connected to circuit to be replaced below is connected apart from scalable with the suspension of pulley (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620044908 CN200962505Y (en) | 2006-08-18 | 2006-08-18 | A falling-prevention device for replacing high-voltage electricity transmission line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620044908 CN200962505Y (en) | 2006-08-18 | 2006-08-18 | A falling-prevention device for replacing high-voltage electricity transmission line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200962505Y true CN200962505Y (en) | 2007-10-17 |
Family
ID=38799016
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620044908 Expired - Lifetime CN200962505Y (en) | 2006-08-18 | 2006-08-18 | A falling-prevention device for replacing high-voltage electricity transmission line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200962505Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436764B (en) * | 2008-11-13 | 2011-11-09 | 江苏省电力公司宜兴市供电公司 | Crossover stringing method for overhead line and stringing sheave pulley |
-
2006
- 2006-08-18 CN CN 200620044908 patent/CN200962505Y/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101436764B (en) * | 2008-11-13 | 2011-11-09 | 江苏省电力公司宜兴市供电公司 | Crossover stringing method for overhead line and stringing sheave pulley |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101710681A (en) | Special conductor lifting device for 220KV horizontal double bundle conductor | |
| CN111130012B (en) | Method for preventing high-voltage line from falling | |
| CN113937665A (en) | Cable tensioning device for overhead laying of cables based on electric power engineering | |
| CN109599795A (en) | A kind of wire tensioning device of high force feed power transformation route | |
| CN107069562A (en) | Replacing insulator under electrified method and load transfer device | |
| CN201247655Y (en) | Overhang tension insulator string conformation for improving conductor hanging height | |
| CN200962505Y (en) | A falling-prevention device for replacing high-voltage electricity transmission line | |
| CN206673533U (en) | A kind of novel high-pressure transmission line of electricity angle pole mounting structure | |
| CN101752806A (en) | Connecting plate for replacing 220kV double bundle conductor strain insulator with centricity and method thereof | |
| CN105800462A (en) | Anti-explosion electric single beam crane | |
| CN105514867A (en) | Method for replacing V-shaped insulator string of power transmission line pole | |
| CN102761077A (en) | Insulating hoisting bracket for strain insulator string of 1000kV extra-high alternating current line | |
| CN105133916A (en) | Auxiliary hanging bracket for mounting of upper frame on telegraph pole | |
| CN104022459A (en) | 10 KV distribution line pole-mounted wire suspension device | |
| CN203850726U (en) | Wire lifter on 10 kV power distribution telegraph pole | |
| CN102163824B (en) | Operating tool and operation method for electrically replacing T-type mounting point suspending insulator in 110kV line steel pipe rod | |
| CN201126919Y (en) | Power supply for macrotype multifunctional crown block | |
| CN202258419U (en) | Wind energy cable capable of resisting high temperature, low temperature, ultraviolet rays, tension and torsion, and retarding flame | |
| CN200987049Y (en) | Insulation rope ladder for live-wire process operation of earthing wire and optical fiber composite type aerial extension | |
| CN201008028Y (en) | Mouse cage type rigid bridle wire device | |
| CN203423430U (en) | Insulator maintenance device | |
| CN107386771A (en) | Cable type double back steel pipe rod-type terminal tower before and after a kind of 110kV overhead transmission lines | |
| CN201608462U (en) | Double-bundle conductor lifting device | |
| CN1870199A (en) | Double-fracture combination column type superhigh voltage multiplier breaking circuit breaker | |
| CN202856238U (en) | Tool for live-line replacement of phase insulator chain in multi-circuit steel tower |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHANGHAI ELECTRIC POWER CORP. Free format text: FORMER OWNER: SHANGHAI ULTRA-HV TRANSMISSION + DISTRIBUTION COMPANY, SHANGHAI ELECTRIC POWER C Effective date: 20110519 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 200070 NO. 600, WUNING ROAD, SHANGHAI TO: 200122 NO. 1122, YUANSHEN ROAD, SHANGHAI |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110519 Address after: 200122, 1122 deep road, Shanghai Patentee after: Shanghai Electric Power Corporation Address before: 200070 No. 600, Wuning Road, Shanghai Patentee before: Shanghai Ultra-HV Transmission & Distribution Company, Shanghai Electric Power C |
|
| CX01 | Expiry of patent term |
Granted publication date: 20071017 |
|
| EXPY | Termination of patent right or utility model |