CN104326390B - Transmission tower high-rise working instrument traction apparatus - Google Patents
Transmission tower high-rise working instrument traction apparatus Download PDFInfo
- Publication number
- CN104326390B CN104326390B CN201410712530.9A CN201410712530A CN104326390B CN 104326390 B CN104326390 B CN 104326390B CN 201410712530 A CN201410712530 A CN 201410712530A CN 104326390 B CN104326390 B CN 104326390B
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- Prior art keywords
- rotating shaft
- fixed
- reel
- bar
- connecting shaft
- 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.)
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- 230000005540 biological transmission Effects 0.000 title claims abstract description 31
- 230000002093 peripheral effect Effects 0.000 claims abstract description 13
- 230000000903 blocking effect Effects 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 238000013461 design Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 1
- 208000031481 Pathologic Constriction Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002688 persistence Effects 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 210000001215 vagina Anatomy 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/12—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable
- B66D3/14—Chain or like hand-operated tackles with or without power transmission gearing between operating member and lifting rope, chain or cable lever operated
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D3/00—Portable or mobile lifting or hauling appliances
- B66D3/04—Pulley blocks or like devices in which force is applied to a rope, cable, or chain which passes over one or more pulleys, e.g. to obtain mechanical advantage
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
- B66D5/00—Braking or detent devices characterised by application to lifting or hoisting gear, e.g. for controlling the lowering of loads
- B66D5/32—Detent devices
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/02—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for overhead lines or cables
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
Abstract
The invention discloses a kind of transmission tower high-rise working instrument traction apparatus, including rotating shaft, rotating shaft be respectively arranged at two ends with drum and telescopic connecting shaft, the middle part of rotating shaft is arranged with reel；Reel is coaxially disposed with rotating shaft；Being additionally provided with a fixed pulley on the outer peripheral face of reel and fix bar, fixed pulley is fixed the first end of bar and is fixed on the outer peripheral face of reel, and fixed pulley is fixed the second end of bar and is provided with a fixed pulley；It is provided with telescopic handle on one end away from rotating shaft of telescopic connecting shaft；Being wound with pull rope on drum, the first end of pull rope is fixed on drum and is wound on drum, pull rope walk around fixed pulley and a movable pulley after be fixed on reel；A hook it is provided with on movable pulley.The transmission tower high-rise working instrument traction apparatus of the present invention, has the advantages such as the overhaul efficiency that can lift implement, the most convenient, easy to use, the pole tower operation that uses manpower and material resources sparingly, improves easily on shaft tower.
Description
Technical field
The present invention relates to a kind of aerial work object traction apparatus, especially a kind of for promoting on transmission tower and declining heavier
The transmission tower high-rise working instrument traction apparatus of instrument.
Background technology
Along with the development of economic society, persistence, the reliability requirement of supply of electric power are also improved constantly by people.For maximum
Limit ground ensures power supply quality, and grid company will be carried out substantial amounts of transmission line of electricity every year and be stepped on bar service work.
Stepping in bar service work conventional, power worker generally requires endless rope and the power tool carrying the kilogram weight more than 20 that weighs
Bag is stepped on bar and is carried out the work.Additionally, Overhaul site need 2-3 people as ground auxiliary pull endless rope with transmission operation Work tool,
Material, to high-altitude shaft tower, if meeting Large Construction maintenance, then needs more ground paraprofessional personnel.In the prior art, high
Idle job object promote can also by electromotor operating drive endless rope lifting heavy, but because of engine device exist bulky,
The factors such as quality is overweight and the heavy lift operation that is not suitable on transmission tower, the problem that there is also transport difficult.
Summary of the invention
The present invention is for avoiding weak point present in above-mentioned prior art, it is provided that a kind of transmission tower high-rise working instrument traction
Device, in order on shaft tower fast lifting equipment, use manpower and material resources sparingly.
The present invention solves that technical problem is by the following technical solutions.
Transmission tower high-rise working instrument traction apparatus, it is structurally characterized in that, including rotating shaft, the first end of described rotating shaft is fixing to be set
Being equipped with a drum, the second end of described rotating shaft is provided with a telescopic connecting shaft, and the middle part of described rotating shaft is arranged with a volume
Cylinder；Described reel is coaxially disposed with described rotating shaft, and can mode match in relative rotation between described reel and described rotating shaft
Close；
Being provided with a fixed pulley on the outer peripheral face of described reel and fix bar, described fixed pulley is fixed the first end of bar and is fixed on described
On the outer peripheral face of reel, described fixed pulley is fixed the second end of bar and is provided with a fixed pulley；
It is provided with telescopic handle on one end away from described rotating shaft of described telescopic connecting shaft；
Being wound with pull rope on described drum, the first end of described pull rope is fixed on described drum and is wound on drum, described
Second end of pull rope is fixed on described reel after walking around described fixed pulley and a movable pulley；
A hook it is provided with on described movable pulley.
The construction features of the transmission tower high-rise working instrument traction apparatus of the present invention lies also in:
Described hook is can the locking hook of automatic blocking.
It is provided with a setting tool on the outer peripheral face of described reel, by described setting tool, described reel is fixed on power transmission rod
On tower.
Described telescopic connecting shaft includes the first connecting shaft and the second connecting shaft；Pass through between described first connecting shaft and described rotating shaft
The mode of threaded engagement is connected；Described second connecting shaft is inserted in the one end away from described rotating shaft the energy of described first connecting shaft
Stretch in described first connecting shaft.
Described telescopic handle includes the first straight-bar and the second straight-bar；Spiral shell is passed through between described first straight-bar and described second connecting shaft
The mode that stricture of vagina coordinates is connected, and the first straight-bar is connected on one end away from described first connecting shaft of described second connecting shaft；Institute
State the second straight-bar be inserted in one end away from described second connecting shaft of described first straight-bar and can stretch in described first straight-bar.
Described rotating shaft is additionally provided with a ratchet；One end of the close described ratchet of described reel is provided with a ratchet,
One end of described ratchet snaps into the wheel between cog of described ratchet for making described ratchet can only rotate to a direction.
Compared with the prior art, the present invention has the beneficial effect that:
The transmission tower high-rise working instrument traction apparatus of the present invention, including rotating shaft, the first end of rotating shaft is fixedly installed a line
Dish, the second end of rotating shaft is provided with a telescopic connecting shaft, and the middle part of rotating shaft is arranged with a reel；Reel is coaxial with rotating shaft
Arrange, and can mode match in relative rotation between reel and rotating shaft；It is additionally provided with one on the outer peripheral face of reel and determines sliding
Wheel fixes bar, and fixed pulley is fixed the first end of bar and is fixed on the outer peripheral face of reel, and fixed pulley is fixed the second end of bar and is provided with one
Individual fixed pulley；It is provided with telescopic handle on one end away from rotating shaft of telescopic connecting shaft；Pull rope it is wound with, traction on drum
First end of rope is fixed on drum and is wound on drum, and the second end of pull rope is fixing after walking around fixed pulley and a movable pulley
On reel；A hook it is provided with on movable pulley.
By the setting tool on reel, the transmission tower high-rise working instrument traction apparatus of the present invention is hung on shaft tower, then
Reel is held with hands.Open the ratchet of ratchet, loosen pull rope so that pull rope declines together with movable pulley.Ground work
Make personnel by hanging equipment on described hook.Then ratchet is placed on described ratchet, in order to avoid falling suddenly in lifting process.
Opening telescopic handle and telescopic connecting shaft, then swinging handle drives axis of rotation, slowly by movable pulley and hook and hook
On equipment promote together.Stopping after rising to the position of needs, now ratchet blocks ratchet, can avoid device fall.Then
Unload equipment the most operable.After having worked, then by hanging equipment on hook, slowly put down.
Apparatus of the present invention are light and handy, convenient, install, dismantle, easy to carry, simultaneously because using extension type handle and pulley to assemble
Set facility, has flexible operation, labour-saving feature, can effectively reduce operating personnel on tower and firmly, save personnel's muscle power, simultaneously
Reduce ground paraprofessional personnel's quantity, shorten the power transmission network high-altitude maintenance time, promote maintenance whole efficiency.
The transmission tower high-rise working instrument traction apparatus of the present invention, has and can lift implement, light easily on shaft tower
The advantages such as the overhaul efficiency of the most convenient, easy to use, the pole tower operation that uses manpower and material resources sparingly, improves.
Accompanying drawing explanation
Fig. 1 is the front view of the transmission tower high-rise working instrument traction apparatus of the present invention.
Fig. 2 is the cooperation figure of the click of the transmission tower high-rise working instrument traction apparatus of the present invention.
Label in accompanying drawing 1～accompanying drawing 2: 1 reel, 2 fixed pulleys, 3 pull ropes, 4 rotating shafts, 5 drums, 6 telescopic connecting shafts,
61 first connecting shafts, 62 second connecting shafts, 7 fixed pulleys fix bar, 8 telescopic handles, 81 first straight-bars, 82 second straight-bars,
9 movable pulleys, 10 hooks, 11 setting tools, 12 ratchets, 13 ratchets.
Below by way of detailed description of the invention, and the invention will be further described to combine accompanying drawing.
Detailed description of the invention
Seeing Fig. 1～Fig. 2, the transmission tower high-rise working instrument traction apparatus of the present invention, including rotating shaft 4, the of described rotating shaft
One end is fixedly installed a drum 5, and the second end of described rotating shaft 4 is provided with a telescopic connecting shaft 6, described rotating shaft 4
Middle part is arranged with a reel 1；Described reel 1 is coaxially disposed with described rotating shaft 4, and described reel 1 and described rotating shaft 4 it
Between can mode match in relative rotation；
Being provided with a fixed pulley on the outer peripheral face of described reel 1 and fix bar 7, described fixed pulley is fixed the first end of bar 7 and is fixed
On the outer peripheral face of described reel 1, described fixed pulley is fixed the second end of bar 7 and is provided with a fixed pulley 2；
It is provided with telescopic handle 8 on one end away from described rotating shaft 4 of described telescopic connecting shaft 6；
Being wound with pull rope 3 on described drum 5, the first end of described pull rope 3 is fixed on described drum 5 and is wound in drum 5
On, the second end of described pull rope 3 is fixed on described reel 1 after walking around described fixed pulley 2 and a movable pulley 9；
A hook 10 it is provided with on described movable pulley 9.
Described hook 10 is can the locking hook of automatic blocking.
A setting tool 11 it is provided with, by described setting tool 11 by solid for described reel 1 on the outer peripheral face of described reel 1
On transmission tower.
Described telescopic connecting shaft 6 includes the first connecting shaft 61 and the second connecting shaft 62；Described first connecting shaft 61 with described turn
It is connected by the way of threaded engagement between axle 4；Described second connecting shaft 62 be inserted in described first connecting shaft 61 away from
Also can stretch in described first connecting shaft 61 in one end of described rotating shaft 4.
Described telescopic handle 8 includes the first straight-bar 81 and the second straight-bar 82；Described first straight-bar 81 and described second connecting shaft
Be connected by the way of threaded engagement between 62, the first straight-bar 81 be connected to described second connecting shaft 62 away from described first
On one end of connecting shaft 61；Described second straight-bar 82 be inserted in described first straight-bar 81 away from described second connecting shaft 62
Also can stretch in described first straight-bar 81 in one end.
Described rotating shaft 4 is additionally provided with a ratchet 12；One end of the close described ratchet 12 of described reel 1 is arranged
A ratchet 13, one end of described ratchet 13 is had to snap into the wheel between cog of described ratchet 12 for making the described ratchet 12 can only
Rotate to a direction.
The transmission tower high-rise working instrument traction apparatus of the present invention, including reel, assembly pulley, rotating shaft, pull rope, telescopic
Handle, telescopic connecting shaft, drum, setting tool and adapter module.One end of telescopic connecting shaft connects telescopic handle,
Other end connection rotating shaft.Described rotating shaft one end connects telescopic connecting shaft, and the rotating shaft other end connects drum.Described adapter module bag
Include ratchet and pawl.Described pull rope one end is through assembly pulley and is fixed on reel, and the other end is fixedly connected on drum, it is possible to subtract
Few paraprofessional personnel's quantity, alleviates human body labor intensity, saves the working time, improves work on the spot efficiency.
Transmission tower high-rise working instrument traction apparatus of the present invention is light and handy, convenient.Staff steps on during bar easy to carry.Fixing card
Tool can be arranged on shaft tower tower material, convenient disassembly flexibly.Two-part stretches connecting shaft and assembly pulley device significantly reduces staff
Muscle power needed for lifting heavy, effectively reduces labor intensity and work high above the ground danger coefficient.Telescopic handle provides enough nargin for many
People operates simultaneously, effectively alleviates the labor intensity of one man operation.Adapter module controls rotating shaft all the time and drum rotates in one direction,
Rotating shaft just can be made after only opening the ratchet of adapter module to rotate backward.The locking hook installed on fixed pulley can effectively prevent thing
The generation of part lifting process high and medium falling accident, it is ensured that the safety coefficient in operating process.Package unit is light and handy, convenient,
Install, dismantle flexibly and easily, can be widely applied in the middle of transmission tower high-altitude maintenance, construction operation.
Described assembly pulley is combined by movable pulley, fixed pulley.Described pull rope one end connects drum, and the other end passes assembly pulley
It is fixed on reel.
Telescopic handle totally two sections, is divided into the first straight-bar and the second straight-bar.Wherein the second straight-bar is scalable in the first straight-bar, and
Can not rotate in the first straight-bar.First straight-bar can arrange rectangle or triangle inner core, and correspondingly the second straight-bar is set to triangle pole
Or rectangular shaft, to insert in the first straight-bar.
Telescopic connecting shaft be respectively arranged at two ends with external screw thread and female thread.By male end connection rotating shaft, pass through female end
Connect handle.Second end of rotating shaft is provided with screwed hole radially, and the male end of described telescopic connecting shaft inserts described rotating shaft
Screwed hole in.One end away from rotating shaft of telescopic connecting shaft arranges radial screw bore, and one end of described telescopic handle also sets
In being set to male end and can be inserted into the screwed hole of described telescopic connecting shaft.
One end connecting described drum of rotating shaft is provided with external screw thread, and this end can be inserted in the female thread chamber in drum axle center, so that
Between described drum and described rotating shaft coaxially connected by the way of threaded engagement.
During operation, staff carries transmission tower high-rise working instrument traction apparatus of the present invention and steps on tower to job position, by solid
Determine instrument and this device is fixed on a certain position of tower material.Required for work object is buckled in locking hook by surface personnel, and tower is made
Industry personnel pull out telescopic handle, swinging handle clockwise.Handle drives drum by telescopic connecting shaft, rotating shaft.In dynamic cunning
Under wheel traction, pull rope rises to job position from drum by band animal part.In distraction procedure, adapter module is all the time
Controlling rotating shaft and drum rotates in one direction, instrument draws to certain position, operator's release handle, and rotating shaft the most no longer turns
Dynamic, alleviate operator's working strength, it is ensured that the safety of operation field.
As required, can the telescopic connecting shaft of flexible and telescopic handle length, save operating personnel's physical demands, practical
Complete, handle can be shunk, reduce device and taken up space.
As required, described assembly pulley can be replaced 3-3 assembly pulley, saves operating personnel's physical demands.
As required, telescopic connecting shaft, telescopic handle and draw drum can be installed easily, dismantle, and uses, takes care of pole
For convenience.
Apparatus of the present invention are light and handy, convenient, install, dismantle, easy to carry, use spiral connection between connecting shaft, handle simultaneously,
Convenient disassembly, coordinates assembly pulley operation, flexible operation, laborsaving, can be effectively improved the work effect of transmission tower high-altitude object traction
Rate.
Embodiment described above is only to be described the preferred embodiment of the present invention, not design and the model to the present invention
Enclose and be defined.On the premise of without departing from design concept of the present invention, this area ordinary person make technical scheme
Various modification and improvement, protection scope of the present invention all should be dropped into, the technology contents that the present invention is claimed, the most all
Record in detail in the claims.
Claims (4)
1. the traction apparatus of transmission tower high-rise working instrument, is characterized in that, including rotating shaft (4), the first end of described rotating shaft is fixed
Being provided with a drum (5), the second end of described rotating shaft (4) is provided with a telescopic connecting shaft (6), described rotating shaft (4)
Middle part be arranged with a reel (1)；Described reel (1) is coaxially disposed with described rotating shaft (4), and described reel (1) and
Can mode match in relative rotation between described rotating shaft (4)；
Being provided with a fixed pulley on the outer peripheral face of described reel (1) and fix bar (7), the of bar (7) fixed by described fixed pulley
One end is fixed on the outer peripheral face of described reel (1), and described fixed pulley is fixed the second end of bar (7) and is provided with a fixed pulley
(2)；
It is provided with telescopic handle (8) on one end away from described rotating shaft (4) of described telescopic connecting shaft (6)；
Being wound with pull rope (3) on described drum (5), the first end of described pull rope (3) is fixed on described drum (5) also
It is wound on drum (5), after the second end of described pull rope (3) walks around described fixed pulley (2) and a movable pulley (9)
It is fixed on described reel (1)；
A hook (10) it is provided with on described movable pulley (9)；
Described hook (10) is can the locking hook of automatic blocking；
A setting tool (11) it is provided with, by described setting tool (11) by described on the outer peripheral face of described reel (1)
Reel (1) is fixed on transmission tower.
Transmission tower high-rise working instrument traction apparatus the most according to claim 1, is characterized in that, described telescopic connection
Axle (6) includes the first connecting shaft (61) and the second connecting shaft (62)；Described first connecting shaft (61) and described rotating shaft (4)
Between be connected by the way of threaded engagement；Described second connecting shaft (62) is inserted in the remote of described first connecting shaft (61)
From one end of described rotating shaft (4) and can stretch in described first connecting shaft (61).
Transmission tower high-rise working instrument traction apparatus the most according to claim 2, is characterized in that, described telescopic handle
(8) the first straight-bar (81) and the second straight-bar (82) are included；Described first straight-bar (81) and described second connecting shaft (62)
Between be connected by the way of threaded engagement, the first straight-bar (81) be connected to described second connecting shaft (62) away from described
On one end of first connecting shaft (61)；Described second straight-bar (82) be inserted in described first straight-bar (81) away from described
Also can stretch in described first straight-bar (81) in one end of two connecting shafts (62).
Transmission tower high-rise working instrument traction apparatus the most according to claim 1 and 2, is characterized in that, in described rotating shaft
(4) ratchet (12) it is additionally provided with on；One end of the close described ratchet (12) of described reel (1) is provided with one
Individual ratchet (13), one end of described ratchet (13) snaps into the wheel between cog of described ratchet (12) and is used for so that described ratchet (12)
Can only rotate to a direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712530.9A CN104326390B (en) | 2014-11-28 | 2014-11-28 | Transmission tower high-rise working instrument traction apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410712530.9A CN104326390B (en) | 2014-11-28 | 2014-11-28 | Transmission tower high-rise working instrument traction apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104326390A CN104326390A (en) | 2015-02-04 |
| CN104326390B true CN104326390B (en) | 2016-09-14 |
Family
ID=52401222
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410712530.9A Active CN104326390B (en) | 2014-11-28 | 2014-11-28 | Transmission tower high-rise working instrument traction apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104326390B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104876148B (en) * | 2015-05-30 | 2016-07-06 | 国网山东济南市历城区供电公司 | Power distribution construction drawing device |
| CN105016206A (en) * | 2015-07-28 | 2015-11-04 | 宜兴市宜安电力工具制造有限公司 | Special lifer for multi-loop middle-phase live-working up to 35kV |
| CN108069353B (en) * | 2016-11-16 | 2020-04-17 | 国网山东省电力公司潍坊供电公司 | Special resistance bar for field operation of electric power system |
| CN106451219A (en) * | 2016-11-28 | 2017-02-22 | 国网新疆电力公司吐鲁番供电公司 | Suspending rod special for suspending barrier-cleaning device |
| CN113526390A (en) * | 2020-04-14 | 2021-10-22 | 成都顺晟电气有限责任公司 | Electric power engineering is with supplementary installing support based on multidirectional regulation technique |
| CN113200469B (en) * | 2021-04-16 | 2022-09-13 | 国网山东省电力公司枣庄供电公司 | Transformer hoisting machine |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4770394A (en) * | 1985-11-21 | 1988-09-13 | Yang Tai Her | Pulley hoists |
| JP2011259550A (en) * | 2010-06-07 | 2011-12-22 | Tokyo Electric Power Co Inc:The | Hanging sheave |
| CN202754741U (en) * | 2012-06-25 | 2013-02-27 | 江苏省电力公司泗阳县供电公司 | Portable small-size equipment pick-up |
| CN203833545U (en) * | 2014-05-22 | 2014-09-17 | 国家电网公司 | Hoisting device |
| CN204237495U (en) * | 2014-11-28 | 2015-04-01 | 国家电网公司 | Transmission tower high-rise working instrument draw gear |
-
2014
- 2014-11-28 CN CN201410712530.9A patent/CN104326390B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104326390A (en) | 2015-02-04 |
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| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 100033 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: STATE GRID ANHUI POWER SUPPLY COMPANY OVERHAUL BRANCH Address before: 100031 No. 86 West Chang'an Avenue, Beijing, Xicheng District Patentee before: State Grid Corporation of China Patentee before: Maintenance Company Of State Grid Anhui Electric Power Company |
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| CP03 | Change of name, title or address | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100033 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Patentee after: STATE GRID CORPORATION OF CHINA Patentee after: Super high voltage branch of State Grid Anhui Electric Power Co.,Ltd. Address before: 100033 West Chang'an Avenue, Xicheng District, Xicheng District, Beijing Patentee before: STATE GRID CORPORATION OF CHINA Patentee before: STATE GRID ANHUI POWER SUPPLY COMPANY OVERHAUL BRANCH |
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| CP01 | Change in the name or title of a patent holder |