CN102463447B - Thrust bearing shoe-dismounting and mounting method and device - Google Patents
Thrust bearing shoe-dismounting and mounting method and device Download PDFInfo
- Publication number
- CN102463447B CN102463447B CN201010534210.0A CN201010534210A CN102463447B CN 102463447 B CN102463447 B CN 102463447B CN 201010534210 A CN201010534210 A CN 201010534210A CN 102463447 B CN102463447 B CN 102463447B
- Authority
- CN
- China
- Prior art keywords
- thrust axis
- axis support
- coaster
- watt
- support watt
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 34
- 239000012528 membrane Substances 0.000 claims description 20
- 238000009434 installation Methods 0.000 abstract 3
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 239000003921 oil Substances 0.000 description 6
- 230000007613 environmental effect Effects 0.000 description 2
- 239000010687 lubricating oil Substances 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
Landscapes
- Automatic Assembly (AREA)
- Friction Gearing (AREA)
Abstract
The invention relates to a thrust bearing shoe dismounting-and-mounting installation and a dismounting and mounting method thereof. The thrust bearing shoe dismounting and mounting installation comprises a supporting framework and a trolley; the supporting framework comprises a supporting surface, a plurality of height-adjustable supporting legs and a positioning part; the supporting surface is arranged on the top ends of the supporting legs, and is supported by the supporting legs; the positioning part is arranged on one side of the supporting surface, and is used for stabilizing the position of the supporting framework; two guide rails and a locking mechanism are arranged on the supporting surface, the locking mechanism is connected with the two guide rails, the trolley can slide along the guide rails, and the locking mechanism is used for locking the position of the trolley on the supporting framework. The thrust bearing shoe dismounting and mounting installation and the dismounting and mounting method thereof have the advantages of time and labor saving and low cost.
Description
Technical field
The present invention relates to maintenance special tool utensil, particularly relate to a kind of thrust axis support watt attaching/detaching apparatus and assembly and disassembly methods thereof.
Background technology
Thrust bearing is the vitals in generating set, and it subjects electric generating set rotor weight and axial hydraulic thrust.As shown in Figure 1, thrust bearing comprises holder watts 11 and toroidal membrane 12, and described holder watts 11 is supported on described toroidal membrane 12, comprises 12 pieces of described holders watts 11 in a usual circumference, and holder described in every block watts 11 supports by a set of described toroidal membrane 12.
A thrust axis support watt assembly and disassembly methods for prior art is when A level is overhauled, and after the parts removing generator rotation part, utilizes the bridge crane of factory building directly holder watt to be hung out and return dress one by one.The shortcoming of this method be the chance that A level must be utilized to overhaul carry out hold in the palm watt dismounting, owing to will remove generator rotation parts, therefore light dismantlement work just needs the human and material resources of at substantial and time (at least will expend the time of one and Ban to two weeks).
A thrust axis support watt assembly and disassembly methods for another kind of prior art is making counterweight suspender, holder watt is taken out and hung out and load by 2 chain blocks in thrust bearing.Although this method need not dismantle rotatable parts, action required personnel 6 ~ 7 people, but namely service condition is restricted requires that the hanging point of chain block must the radial centre lines of corresponding holder watt, require that the personnel of operation 2 chain blocks must coordinate perfectly safe simultaneously, otherwise Tuo Wa will be made to collide with thrust bearing runner plate, cause minute surface impaired.Under the prerequisite of All going well, profit is dismantled in this way generally needs 2 work days, return dress generally needs 2 ~ 3 work days.
Summary of the invention
The object of the present invention is to provide a kind of thrust axis support watt attaching/detaching apparatus and assembly and disassembly methods thereof, save time, laborsaving.
To achieve the above object, the invention provides a kind of thrust axis support watt attaching/detaching apparatus, comprise support and coaster; Described support comprises a supporting surface, many Height Adjustable supporting legs and a positioning element; Described supporting surface is arranged on the top of described many supporting legs, and this supporting surface is support by described many supporting legs; Described positioning element is arranged on the side of described supporting surface, and this positioning element is for stablizing the position of described support; Described supporting surface is provided with two guide rails and locking mechanism, and described locking mechanism is connected with described two guide rails, and described coaster slides along described guide rail, and described locking mechanism is for locking described coaster position on the bracket.
Above-mentioned thrust axis support watt attaching/detaching apparatus, wherein, described Height Adjustable supporting leg comprises leg bar and height adjustment bolt; Described height adjustment bolt is arranged on the bottom of described leg bar; The inwall of described leg bar bottom is provided with the screw thread matched with described height adjustment bolt.
Above-mentioned thrust axis support watt attaching/detaching apparatus, wherein, described supporting surface is rectangle, and the edge of described supporting surface is connected to form by four support bars successively head and the tail, and the length direction along described supporting surface is also provided with the many support bars be parallel to each other.
Above-mentioned thrust axis support watt attaching/detaching apparatus, wherein, described two guide rails are arranged along the length direction of described supporting surface.
Above-mentioned thrust axis support watt attaching/detaching apparatus, wherein, described locking mechanism comprises many cross bars and Duo Gen locks rod; Described cross bar is arranged between described two guide rails, and cross bar described in every root is provided with two holes; Described lock rod inserts in described hole, blocks described coaster, to lock the position of described coaster.
Above-mentioned thrust axis support watt attaching/detaching apparatus, wherein, between described supporting surface and described supporting leg and arbitrary neighborhood two described supports move back between be provided with brace rod.
Second technical scheme of the present invention is a kind of method dismantling thrust axis support watt, comprises the following steps: step 1, by stentplacement on the oil groove of thrust bearing, adjusts the height of described support, locking coaster position on the bracket; Step 2, at outer setting one chain block of described support; Step 3, uses described chain block to be drawn on described coaster by thrust axis support watt from the toroidal membrane of thrust bearing; Step 4, removes the locking of the position to described coaster; Step 5, promotes described coaster, thrust axis support watt is transported, then thrust axis support watt is hung out described coaster.
The method of above-mentioned dismounting thrust axis support watt, wherein, in described step 1, the positioning element of described support tightly blocks described toroidal membrane; The Height Adjustment of described support to the bottom face of the top end face of described coaster and thrust axis support watt at same level height; Described coaster is locked in the position near thrust axis support watt.
3rd technical scheme of the present invention is the method for a kind of time dress thrust axis support watt, comprises the following steps: step 1, by stentplacement on the oil groove of thrust bearing, adjusts the height of described support, locking coaster position on the bracket; Step 2, is lifted into thrust axis support watt on described coaster; Step 3, removes the locking of the position to described coaster; Step 4, shifts described coaster onto appropriate location, then locks the position of described coaster; Step 5, is pushed into thrust axis support watt on the toroidal membrane of thrust bearing.
The method of above-mentioned dismounting thrust axis support watt, wherein, in described step 1, the positioning element of described support tightly blocks described toroidal membrane; The Height Adjustment of described support to the bottom face of the top end face of described coaster and thrust axis support watt at same level height; Described coaster is locked in from described toroidal membrane position farthest.
Thrust axis support watt attaching/detaching apparatus of the present invention and assembly and disassembly methods dismounting thereof, return a work day of dress thrust axis support watt each need, at most only need 4 operating personnel, save time, laborsaving, economize dismounting cost;
Thrust axis support watt attaching/detaching apparatus of the present invention and assembly and disassembly methods thereof are dismantled, return the restriction that dress thrust axis support watt is not subject to field environmental condition;
Thrust axis support watt attaching/detaching apparatus of the present invention and assembly and disassembly methods instrument cost thereof are within RMB 2000 yuan, and cost is low.
Accompanying drawing explanation
Thrust axis support watt attaching/detaching apparatus of the present invention and assembly and disassembly methods thereof are provided by following embodiment and accompanying drawing.
Fig. 1 is the structural representation of thrust bearing of the prior art.
Fig. 2 is the front view of thrust axis support watt attaching/detaching apparatus of the present invention.
Fig. 3 is the top view of medium-height trestle of the present invention.
Detailed description of the invention
Below with reference to Fig. 2 ~ Fig. 3, thrust axis support watt attaching/detaching apparatus of the present invention and assembly and disassembly methods thereof are described in further detail.
See Fig. 2, a thrust axis support watt attaching/detaching apparatus of the present invention comprises support 20 and coaster 30;
Described coaster 30 is arranged on described support 20, and this coaster 30 can slide on described support 20.
Continue see Fig. 2, described support 20 comprises a supporting surface 21, many Height Adjustable supporting legs 22 and a positioning element 23;
Described supporting surface 21 is arranged on the top of described many supporting legs 22, and this supporting surface 21 is support by described many supporting legs 22;
Described positioning element 23 is arranged on the side of described supporting surface 21, and this positioning element 23 is for stablizing the position of described support 20;
See Fig. 3, described supporting surface 21 is provided with two guide rails 211 and locking mechanism, described locking mechanism is connected with described two guide rails 211, and described coaster 30 slides along described guide rail 211, and described locking mechanism is for locking the position of described coaster 30 on described support 20.
For strengthening the fastness of described support 20, between described supporting surface 21 and described supporting leg 22 and arbitrary neighborhood two described supports move back 22 between be provided with brace rod 24.
In a preferred embodiment of the present invention, described Height Adjustable supporting leg 22 comprises leg bar 222 and height adjustment bolt 221, described height adjustment bolt 221 is arranged on the bottom of described leg bar 222, the inwall of described leg bar 222 bottom is provided with the screw thread matched with described height adjustment bolt 221, rotate the position that described height adjustment bolt 221 can change the relatively described leg bar 222 of described height adjustment bolt 221, thus realize the height regulating described support 20;
In a preferred embodiment of the present invention, described supporting surface 21 is rectangle, and the edge of described supporting surface 21 is connected to form by four support bars 212 successively head and the tail, and the length direction along described supporting surface 21 is also provided with the many support bars be parallel to each other 212;
In a preferred embodiment of the present invention, described two guide rails 211 are arranged along the length direction of described supporting surface 21;
In a preferred embodiment of the present invention, described locking mechanism comprises many cross bars 213 and Duo Gen locks rod (not showing in Fig. 3), described cross bar 213 arranges between described two guide rails 211, cross bar 213 described in every root is provided with two holes 214, during use, described lock rod inserts in described hole 214, utilizes described lock rod to block described coaster 30, reaches the object of the position locking described coaster 30;
In a preferred embodiment of the present invention, described support 20 comprises supporting leg 22 Height Adjustable described in the six roots of sensation, and the both sides along the length direction of described supporting surface 21, described supporting surface 21 respectively arrange three described Height Adjustable supporting legs 22.
The instrument cost of thrust axis support watt attaching/detaching apparatus of the present invention is within RMB 2000 yuan, and namely cost is low.
A thrust axis support of the present invention watt attaching/detaching apparatus dismounting thrust axis support watt is used to comprise the following steps:
Step 1, is placed on the oil groove of thrust bearing by support 20, adjusts the height of described support 20, the locking position of coaster 30 on described support 20;
The dimensions Strict Radicals of described support 20 is according to the Designing Thrust Bearing of practical application, ensure that the positioning element 23 of described support 20 tightly blocks the toroidal membrane of thrust bearing, prevent described in unloading process support 20 from moving along the radial direction of toroidal membrane, the firm described position of support 20 in unloading process;
Before placing described support 20, take the lubricating oil in oil groove away;
Rotation height adjusting bolt 221 adjusts the height of described support 20, makes the bottom face of the top end face of described coaster 30 and holder watt at same level height;
Utilize the lock rod of locking mechanism described coaster 30 is locked near holder watt position;
Step 2, at outer setting one chain block of described support 20;
Described chain block is 0.5T chain block;
Step 3, uses described chain block to be drawn on described coaster 30 by holder watt from toroidal membrane;
Step 4, removes the locking of the position to described coaster 30;
In the hole 214 of the cross bar 213 of described locking mechanism, take out described lock rod, remove the locking of the position to described coaster 30;
Step 5, promotes described coaster 30, holder watt is transported, then holder watt is hung out described coaster 30.
Dismantle each holder watt and adopt above-mentioned steps.
Use a thrust axis support watt attaching/detaching apparatus of the present invention to return dress thrust axis support watt to comprise the following steps:
Step 1, is placed on the oil groove of thrust bearing by support 20, adjusts the height of described support 20, the locking position of coaster 30 on described support 20;
The positioning element 23 of described support 20 tightly blocks the toroidal membrane of thrust bearing, prevents from moving returning the radial direction of support 20 described in process of assembling along toroidal membrane, and firm described support 20 is going back to the position in process of assembling;
Before placing described support 20, take the lubricating oil in oil groove away;
Rotation height adjusting bolt 221 adjusts the height of described support 20, makes the bottom face of the top end face of described coaster 30 and holder watt at same level height;
The lock rod of locking mechanism is utilized to be locked in by described coaster 30 from toroidal membrane position farthest;
Step 2, is lifted into holder watt on described coaster 30;
Step 3, removes the locking of the position to described coaster 30;
In the hole 214 of the cross bar 213 of described locking mechanism, take out described lock rod, remove the locking of the position to described coaster 30;
Step 4, shifts described coaster 30 onto appropriate location, then locks the position of described coaster 30;
Step 5, is pushed into holder watt on toroidal membrane.
Return and fill each holder watt and adopt above-mentioned steps.
Experiment shows, uses a thrust axis support watt attaching/detaching apparatus of the present invention to dismantle all holders watt and only needs a work day, at most only need 4 operating personnel; Use thrust axis support watt attaching/detaching apparatus of the present invention can fill all holders watt and also only need a work day, at most only need 4 operating personnel, compared with prior art, use thrust axis support of the present invention watt attaching/detaching apparatus dismounting, time dress holder watt saves time, laborsaving, province's dismounting cost;
Use thrust axis support watt attaching/detaching apparatus of the present invention not by the restriction of field environmental condition.
Claims (9)
1. use a method for thrust axis support watt attaching/detaching apparatus dismounting thrust axis support watt, it is characterized in that, a described thrust axis support watt attaching/detaching apparatus comprises support and coaster; Described support comprises a supporting surface, many Height Adjustable supporting legs and a positioning element;
Described supporting surface is arranged on the top of described many supporting legs, and this supporting surface is support by described many supporting legs;
Described positioning element is arranged on the side of described supporting surface, and this positioning element is for stablizing the position of described support;
Described supporting surface is provided with two guide rails and locking mechanism, described locking mechanism is connected with described two guide rails, described coaster slides along described guide rail, and described locking mechanism is for locking described coaster position on the bracket, and the method for described dismounting thrust axis support watt comprises the following steps:
Step 1, by stentplacement on the oil groove of thrust bearing, adjusts the height of described support, locking coaster position on the bracket;
Step 2, at outer setting one chain block of described support;
Step 3, uses described chain block to be drawn on described coaster by thrust axis support watt from the toroidal membrane of thrust bearing;
Step 4, removes the locking of the position to described coaster;
Step 5, promotes described coaster, thrust axis support watt is transported, then thrust axis support watt is hung out described coaster.
2. the as claimed in claim 1 method using thrust axis support watt attaching/detaching apparatus dismounting thrust axis support watt, it is characterized in that, described Height Adjustable supporting leg comprises leg bar and height adjustment bolt;
Described height adjustment bolt is arranged on the bottom of described leg bar;
The inwall of described leg bar bottom is provided with the screw thread matched with described height adjustment bolt.
3. the as claimed in claim 1 method using thrust axis support watt attaching/detaching apparatus dismounting thrust axis support watt, it is characterized in that, described supporting surface is rectangle, the edge of described supporting surface is connected to form by four support bars successively head and the tail, and the length direction along described supporting surface is also provided with the many support bars be parallel to each other.
4. the as claimed in claim 1 method using thrust axis support watt attaching/detaching apparatus dismounting thrust axis support watt, it is characterized in that, described two guide rails are arranged along the length direction of described supporting surface.
5. the as claimed in claim 1 method using thrust axis support watt attaching/detaching apparatus dismounting thrust axis support watt, it is characterized in that, described locking mechanism comprises many cross bars and Duo Gen locks rod;
Described cross bar is arranged between described two guide rails, and cross bar described in every root is provided with two holes;
Described lock rod inserts in described hole, blocks described coaster, to lock the position of described coaster.
6. the as claimed in claim 1 method using thrust axis support watt attaching/detaching apparatus dismounting thrust axis support watt, is characterized in that, between described supporting surface and described supporting leg and arbitrary neighborhood two described supports move back between be provided with brace rod.
7. the as claimed in claim 1 method using thrust axis support watt attaching/detaching apparatus dismounting thrust axis support watt, it is characterized in that, in described step 1, the positioning element of described support tightly blocks described toroidal membrane; The Height Adjustment of described support to the bottom face of the top end face of described coaster and thrust axis support watt at same level height; Described coaster is locked in the position near thrust axis support watt.
8. as claimed in claim 1 use the method for thrust axis support watt attaching/detaching apparatus dismounting thrust axis support watt after return the method for dress thrust axis support watt, it is characterized in that, comprise the following steps:
Step 1, by stentplacement on the oil groove of thrust bearing, adjusts the height of described support, locking coaster position on the bracket;
Step 2, is lifted into thrust axis support watt on described coaster;
Step 3, removes the locking of the position to described coaster;
Step 4, shifts described coaster onto appropriate location, then locks the position of described coaster;
Step 5, is pushed into thrust axis support watt on the toroidal membrane of thrust bearing.
9. as claimed in claim 8 method of returning dress thrust axis support watt, it is characterized in that, in described step 1, the positioning element of described support tightly blocks described toroidal membrane; The Height Adjustment of described support to the bottom face of the top end face of described coaster and thrust axis support watt at same level height; Described coaster is locked in from described toroidal membrane position farthest.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010534210.0A CN102463447B (en) | 2010-11-05 | 2010-11-05 | Thrust bearing shoe-dismounting and mounting method and device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201010534210.0A CN102463447B (en) | 2010-11-05 | 2010-11-05 | Thrust bearing shoe-dismounting and mounting method and device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102463447A CN102463447A (en) | 2012-05-23 |
| CN102463447B true CN102463447B (en) | 2015-04-29 |
Family
ID=46067724
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201010534210.0A Active CN102463447B (en) | 2010-11-05 | 2010-11-05 | Thrust bearing shoe-dismounting and mounting method and device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102463447B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104117793A (en) * | 2014-07-14 | 2014-10-29 | 洛阳双瑞金属复合材料有限公司 | Feeding frame for thin plate splicing welding |
| CN106671020B (en) * | 2017-02-20 | 2018-06-05 | 国家电网公司 | Thrust bearing of turbine maintenance fast assembling-disassembling method and dismantling device |
| CN107717859A (en) * | 2017-11-27 | 2018-02-23 | 国家电网公司 | Below bearing type generator thrust bearing bearing shell dismantling device and assembly and disassembly methods |
| CN115488819B (en) * | 2022-09-05 | 2024-04-16 | 中国长江电力股份有限公司 | Device and method for dismounting thrust bush of spring strut type thrust bearing |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB154829A (en) * | 1920-03-11 | 1920-12-09 | Joseph Michael Flood | A new or improved means for extracting bushes from, and re-bushing, bearings |
| US4633566A (en) * | 1985-04-04 | 1987-01-06 | General Electric Company | Apparatus and method for constructing and disassembling a truss structure |
| CN2925770Y (en) * | 2006-07-27 | 2007-07-25 | 宝山钢铁股份有限公司 | Special tool for fastly diattaching connecting-rod axle bush |
| CN101049608A (en) * | 2007-05-18 | 2007-10-10 | 鞍山亨通冶金矿山设备制造有限公司 | Machine for reassembling bearing seat of working roll with positioning function, and guarding against turning over measure |
| CN201283497Y (en) * | 2008-09-09 | 2009-08-05 | 宝山钢铁股份有限公司 | Rapid dismounting device of cold rolling work roll bearing support |
-
2010
- 2010-11-05 CN CN201010534210.0A patent/CN102463447B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB154829A (en) * | 1920-03-11 | 1920-12-09 | Joseph Michael Flood | A new or improved means for extracting bushes from, and re-bushing, bearings |
| US4633566A (en) * | 1985-04-04 | 1987-01-06 | General Electric Company | Apparatus and method for constructing and disassembling a truss structure |
| CN2925770Y (en) * | 2006-07-27 | 2007-07-25 | 宝山钢铁股份有限公司 | Special tool for fastly diattaching connecting-rod axle bush |
| CN101049608A (en) * | 2007-05-18 | 2007-10-10 | 鞍山亨通冶金矿山设备制造有限公司 | Machine for reassembling bearing seat of working roll with positioning function, and guarding against turning over measure |
| CN201283497Y (en) * | 2008-09-09 | 2009-08-05 | 宝山钢铁股份有限公司 | Rapid dismounting device of cold rolling work roll bearing support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102463447A (en) | 2012-05-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102463447B (en) | Thrust bearing shoe-dismounting and mounting method and device | |
| CN105247767A (en) | Method and apparatus for generator stator core separation | |
| CN102996062A (en) | Maintenance lifting platform and application method thereof | |
| CN104668933A (en) | Disassembling and assembling supporting seat and assembling and disassembling method used for rotating arm and pivot of turbine runner | |
| CN204094726U (en) | A kind of heavy pin shaft fast assembling-disassembling frock | |
| CN103031966B (en) | Main shaft maintenance platform for water turbine and electric generator | |
| CN103982359B (en) | Method for fast connecting water turbine shaft and motor shaft by reaming | |
| CN204053433U (en) | A kind of thrust bearing shoe valve and Tuo Wa attaching/detaching apparatus | |
| CN101786585B (en) | Crane supporting device for field installation of boiler | |
| CN205476584U (en) | Detachable supporting structure | |
| CN104481128A (en) | Decoration scaffold rapid and convenient to install and use | |
| CN100560471C (en) | The gliding method of pylon when adopting hydraulic pressure lifting technique to hoist | |
| CN204938878U (en) | A kind of jacking apparatus of electrical generator | |
| CN105386593B (en) | Suspension type operating platform and construction method | |
| CN212909282U (en) | Height-adjustable hydropower station magnetic pole key pulling-out device | |
| CN205927818U (en) | Many period number tractor drive line interfacing apparatus | |
| CN202594677U (en) | Pump device mounting support | |
| CN204545822U (en) | The pivoted arm of rotary wheel of water turbine and the dismounting supporting seat of pivot | |
| CN204725083U (en) | A kind of frame sides turning-up devices | |
| CN217808580U (en) | Fan driftage stopper changes auxiliary fixtures | |
| CN204138153U (en) | A kind of foundation for tower crane lifting self-locking mechanism | |
| CN221353676U (en) | Communication alternating current distribution panel | |
| CN214351890U (en) | Electromechanical maintenance fixing device | |
| CN217051236U (en) | Assembling tool for mechanical seal static ring seat of main pump of nuclear power station | |
| CN209072273U (en) | Motor rotor dismounting device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: STATE GRID XINYUAN HYDROELECTRIC COMPANY LIMITED S Effective date: 20130711 Owner name: STATE ELECTRIC NET CROP. Free format text: FORMER OWNER: FUCHUNJIANG HYDROELECTRIC POWER STATION OF EAST CHINA GRID CO., LTD. Effective date: 20130711 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 311504 HANGZHOU, ZHEJIANG PROVINCE TO: 100031 XICHENG, BEIJING |
|
| TA01 | Transfer of patent application right |
Effective date of registration: 20130711 Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing Applicant after: State Grid Corporation of China Applicant after: State Grid Xinyuan Hydropower Co., Ltd. Applicant after: Fuchunjiang Hydroelectric Power Plant, State Grid Xinyuan Hydropower Co., Ltd. Address before: 311504 the Fuchun River power plant, the Fuchun River Town, Tonglu County, Zhejiang Applicant before: Fuchunjiang Hydroelectric Power Station of East China Grid Co., Ltd. |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |