CN2765711Y - Nozzle set vane erection welding locating device - Google Patents
Nozzle set vane erection welding locating device Download PDFInfo
- Publication number
- CN2765711Y CN2765711Y CN 200520039491 CN200520039491U CN2765711Y CN 2765711 Y CN2765711 Y CN 2765711Y CN 200520039491 CN200520039491 CN 200520039491 CN 200520039491 U CN200520039491 U CN 200520039491U CN 2765711 Y CN2765711 Y CN 2765711Y
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- China
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- pressing plate
- blade
- nozzle sets
- base
- positioning
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- Expired - Lifetime
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Abstract
The utility model relates to a positioning technique used for the erecting welding of nozzle group blades of large-scale steam turbines, particularly a welding positioning device of the nozzle group blades of 300MW units. The utility model is characterized in that a support seat is arranged on a base, tight supporting screws can butt a circumferential direction pressing block via screw holes on the support seat and the nozzle group blades are arranged between circumferential direction pressing blocks at both ends and are circumferentially positioned. A plurality of positioning pins are arranged on the base, the space among the positioning pins are according to blade space and exit edges of the blades are arranged on the positioning pins and are radically positioned. The positioning blocks are arranged in arc-shaped hole between inlet edges of every two blades, a circular arc pressing plate can press the positioning blocks, one end of an axial pressing plate is connected with a support leg, the other end presses the circular arc pressing plate and a stud bolt penetrates through the middle hole channel of the axial pressing plate so as to axially fix the nozzle group blades. The utility model has the advantages of accurate positioning, convenient operation and easy welding and accords with the assembly requirements of the nozzle group blades and the utility model can increase the efficiency of the steam turbine units.
Description
(1) technical field
The utility model relates to the location technology that the erection welding of large-size steam turbine nozzle sets blade is used, and relates in particular to 300MW unit nozzle sets blade dress weldering positioner.
(2) background technology
In the large-size steam turbine nozzle sets was made, traditional nozzle sets manufacturing adopted the electric pulse technology to the processing of nozzle sets progressive type hole, and machining accuracy was not high when such nozzle sets was made, and the fineness of processing is poor.Continuous development along with designing technique, people have developed a kind of nozzle sets structure that is assembled by the multi-disc blade, by the weldering of nozzle sets blade dress, connect into one group of nozzle sets, each nozzle sets blade is formed by fine finishining, can reach every specification requirement of design like this, thereby improve the efficient of steam turbine unit, adopt nozzle sets blade dress welding structure as 300MW unit nozzle sets.But the assembling and positioning of nozzle sets blade is a difficult problem of this structure processing.
(3) summary of the invention
The purpose of this utility model is to provide a kind of nozzle sets blade erection welding positioner, and this positioner has the characteristics of accurate positioning, easy to operate, easy welding, meets the matching requirements of nozzle sets blade, has improved the efficient of steam turbine unit.
The utility model is achieved in that a kind of nozzle sets blade erection welding positioner, it is characterized in that comprising base, bearing, fastening nail, circumferential briquetting, alignment pin, locating piece, circular arc pressing plate, axial pressing plate, spike, stud, bearing is installed on the base, fastening nail withstands circumferential briquetting by the screw on the bearing, and the nozzle sets blade places between the circumferential briquetting in two ends and circumferentially located; A plurality of alignment pins are installed on the base, and the spacing of alignment pin is decided by blade pitgh, and the lagging edge of blade places on the alignment pin by radial location; Locating piece is packed in the arc type hole between per two blade inlet edges, the circular arc pressing plate is pushed down locating piece, axially pressing plate one end connects spike, the other end is pushed down the circular arc pressing plate, stud passes the duct at axial pressing plate middle part, one end is fixed in the whorl of base hole, and the other end is fixed on the axial pressing plate nozzle sets blade axial restraint by nut.
Above-mentioned nozzle sets blade erection welding positioner, described locating piece bottom molded lines matches with the inside and outside camber line of nozzle sets back edge.
The utility model be by to the nozzle sets blade circumferentially, radially, axial location realizes that assembling and positioning requires.Circumferentially compress an end face of nozzle sets blade by fastening nail and circumferential briquetting, same principle is adopted in nozzle sets blade other end, thereby plays the gap that compresses the blade circumferencial direction.Radially be fixed in the back edge of the alignment pin on the base, every blade radial size is positioned by packing into.Axially pack in the arc type hole between per two blade inlet edges by locating piece, blade is carried out axial location, be pressed with the circular arc pressing plate on the locating piece, axially pressing plate is pushed down the circular arc pressing plate again, passes axial pressing plate with nozzle sets blade axial restraint through stud.The utlity model has the characteristics of accurate positioning, easy to operate, easy welding, meet the matching requirements of nozzle sets blade, improved the efficient of steam turbine unit.
(4) description of drawings
The utility model is described in further detail below in conjunction with the drawings and specific embodiments.
Fig. 1 is the utility model nozzle sets blade erection welding positioning device structure schematic diagram;
Fig. 2 is the A-A cutaway view of Fig. 1.
Among the figure: 1 circumferential briquetting, 2 bearings, 3 fastening nails, 4 bases, 5 spikes, 6 axial pressing plates, 7 nuts, 8 packing rings, 9 studs, 10 alignment pins, 11 locating pieces, 12 circular arc pressing plates, 13 nozzle sets blades.
(5) specific embodiment
Referring to Fig. 1, Fig. 2, a kind of nozzle sets blade erection welding positioner comprises base 4, bearing 2, fastening nail 3, circumferential briquetting 1, alignment pin 10, locating piece 11, circular arc pressing plate 12, axial pressing plate 6, spike 5, stud 9.Bearing 2 is installed on the base 4, fastening nail 3 withstands circumferential briquetting 1 by the screw on the bearing 2, circumferentially briquetting 1 is pushed down an end face of nozzle sets blade 13 again, same principle is adopted in nozzle sets blade 13 other ends, thereby play the gap that compresses each nozzle sets blade 13 of circumferencial direction, nozzle sets blade 13 is circumferentially located.A plurality of alignment pins 10 are installed on the base 4, and the spacing of alignment pin 10 is decided by blade 13 spacings, and the lagging edge of blade 13 places on the alignment pin 10 by radial location, thereby accurately locatees every nozzle sets blade 13 radial dimensions.Locating piece 11 is packed in the arc type hole between per two blade 13 leading edges, and locating piece 13 bottom molded lines match with the inside and outside camber line of nozzle sets blade 13 lagging edges, thereby accurately locate every nozzle sets blade 13 axial dimensions; Circular arc pressing plate 12 is pushed down locating piece 11, axially pressing plate 6 one ends are connected and fixed on the spike 5 on the base 4, the other end is pushed down circular arc pressing plate 12, stud 9 passes the duct at axial pressing plate 6 middle parts, one end is fixed in base 4 screwed holes, and the other end is fixed on the axial pressing plate 6 nozzle sets blade 13 axial restraints by packing ring 8 and nut 7.
Claims (2)
1. nozzle sets blade erection welding positioner, it is characterized in that comprising base, bearing, fastening nail, circumferential briquetting, alignment pin, locating piece, circular arc pressing plate, axial pressing plate, spike, stud, bearing is installed on the base, fastening nail withstands circumferential briquetting by the screw on the bearing, and the nozzle sets blade places between the circumferential briquetting in two ends and circumferentially located; A plurality of alignment pins are installed on the base, and the spacing of alignment pin is decided by blade pitgh, and the lagging edge of blade places on the alignment pin by radial location; Locating piece is packed in the arc type hole between per two blade inlet edges, the circular arc pressing plate is pushed down locating piece, axially pressing plate one end connects spike, the other end is pushed down the circular arc pressing plate, stud passes the duct at axial pressing plate middle part, one end is fixed in the whorl of base hole, and the other end is fixed on the axial pressing plate nozzle sets blade axial restraint by nut.
2. nozzle sets blade erection welding positioner according to claim 1 is characterized in that the inside and outside camber line of locating piece bottom molded lines and nozzle sets back edge matches.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520039491 CN2765711Y (en) | 2005-02-03 | 2005-02-03 | Nozzle set vane erection welding locating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520039491 CN2765711Y (en) | 2005-02-03 | 2005-02-03 | Nozzle set vane erection welding locating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2765711Y true CN2765711Y (en) | 2006-03-22 |
Family
ID=36606372
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520039491 Expired - Lifetime CN2765711Y (en) | 2005-02-03 | 2005-02-03 | Nozzle set vane erection welding locating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2765711Y (en) |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100412321C (en) * | 2006-08-31 | 2008-08-20 | 上海电气电站设备有限公司 | Process for assembling low voltage partition plate in large-size steam turbine |
| CN100418686C (en) * | 2007-03-27 | 2008-09-17 | 南京汽轮电机(集团)有限责任公司 | Process and fixture for machining profile hole in cascade guide berm of steam turbine |
| CN100443236C (en) * | 2006-08-14 | 2008-12-17 | 哈尔滨汽轮机厂有限责任公司 | Method of welding steam turbine nozzle by electron beam |
| CN101797674A (en) * | 2010-03-31 | 2010-08-11 | 杭州汽轮机股份有限公司 | Positioning fixture for welding baffle plate |
| CN101934453A (en) * | 2010-09-16 | 2011-01-05 | 青岛捷能汽轮机集团股份有限公司 | Three-dimensional direct-welding blade assembly welding system of steam turbine |
| CN101092012B (en) * | 2006-06-19 | 2012-05-30 | 斯奈克玛 | Part-holding device |
| CN103009002A (en) * | 2012-12-21 | 2013-04-03 | 上海电气电站设备有限公司 | Assembling and machining process for steam cabinet of steam turbine and nozzle group |
| CN104668862A (en) * | 2015-02-11 | 2015-06-03 | 中国科学院等离子体物理研究所 | Large-scale double-curve-surface structure manufacturing multipurpose tooling |
| CN105290559A (en) * | 2015-11-12 | 2016-02-03 | 西安航空动力股份有限公司 | Energy storage spot-welding locating and clamping device of stationary blade fan-shaped block welding assembly |
| CN105834044A (en) * | 2016-04-29 | 2016-08-10 | 广州飞机维修工程有限公司 | Positioning tool and positioning method for color bar spraying of Boeing 737 type radome |
| CN106624541A (en) * | 2016-11-29 | 2017-05-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Assembly welding method of fan-shaped block welding assembly |
| CN107052608A (en) * | 2017-06-27 | 2017-08-18 | 山东核电设备制造有限公司 | A kind of section is the welder and method of the arc-shaped welding pieces of L-type |
| CN109531195A (en) * | 2018-11-19 | 2019-03-29 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of fan blade combination lathe machining device of simulation assembly |
| CN110977277A (en) * | 2019-10-31 | 2020-04-10 | 中国航发南方工业有限公司 | Arc-shaped pipeline adapter welding positioning device and welding positioning method |
| CN111331219A (en) * | 2019-12-24 | 2020-06-26 | 北京动力机械研究所 | Brazing positioning device for cantilever blade structural member |
-
2005
- 2005-02-03 CN CN 200520039491 patent/CN2765711Y/en not_active Expired - Lifetime
Cited By (21)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101092012B (en) * | 2006-06-19 | 2012-05-30 | 斯奈克玛 | Part-holding device |
| CN100443236C (en) * | 2006-08-14 | 2008-12-17 | 哈尔滨汽轮机厂有限责任公司 | Method of welding steam turbine nozzle by electron beam |
| CN100412321C (en) * | 2006-08-31 | 2008-08-20 | 上海电气电站设备有限公司 | Process for assembling low voltage partition plate in large-size steam turbine |
| CN100418686C (en) * | 2007-03-27 | 2008-09-17 | 南京汽轮电机(集团)有限责任公司 | Process and fixture for machining profile hole in cascade guide berm of steam turbine |
| CN101797674A (en) * | 2010-03-31 | 2010-08-11 | 杭州汽轮机股份有限公司 | Positioning fixture for welding baffle plate |
| CN101797674B (en) * | 2010-03-31 | 2012-11-28 | 杭州汽轮机股份有限公司 | Positioning fixture for welding baffle plate |
| CN101934453A (en) * | 2010-09-16 | 2011-01-05 | 青岛捷能汽轮机集团股份有限公司 | Three-dimensional direct-welding blade assembly welding system of steam turbine |
| CN101934453B (en) * | 2010-09-16 | 2011-09-14 | 青岛捷能汽轮机集团股份有限公司 | Three-dimensional direct-welding blade assembly welding system of steam turbine |
| CN103009002A (en) * | 2012-12-21 | 2013-04-03 | 上海电气电站设备有限公司 | Assembling and machining process for steam cabinet of steam turbine and nozzle group |
| CN103009002B (en) * | 2012-12-21 | 2015-04-22 | 上海电气电站设备有限公司 | Assembling and machining process for steam cabinet of steam turbine and nozzle group |
| CN104668862A (en) * | 2015-02-11 | 2015-06-03 | 中国科学院等离子体物理研究所 | Large-scale double-curve-surface structure manufacturing multipurpose tooling |
| CN105290559A (en) * | 2015-11-12 | 2016-02-03 | 西安航空动力股份有限公司 | Energy storage spot-welding locating and clamping device of stationary blade fan-shaped block welding assembly |
| CN105834044A (en) * | 2016-04-29 | 2016-08-10 | 广州飞机维修工程有限公司 | Positioning tool and positioning method for color bar spraying of Boeing 737 type radome |
| CN105834044B (en) * | 2016-04-29 | 2019-03-26 | 广州飞机维修工程有限公司 | Boeing-737 type radome colour bar sprays positioning tool and localization method |
| CN106624541A (en) * | 2016-11-29 | 2017-05-10 | 沈阳黎明航空发动机(集团)有限责任公司 | Assembly welding method of fan-shaped block welding assembly |
| CN107052608A (en) * | 2017-06-27 | 2017-08-18 | 山东核电设备制造有限公司 | A kind of section is the welder and method of the arc-shaped welding pieces of L-type |
| CN107052608B (en) * | 2017-06-27 | 2019-10-22 | 山东核电设备制造有限公司 | A kind of section is the welding method of the arc-shaped welding pieces of L-type |
| CN109531195A (en) * | 2018-11-19 | 2019-03-29 | 中国航发沈阳黎明航空发动机有限责任公司 | A kind of fan blade combination lathe machining device of simulation assembly |
| CN110977277A (en) * | 2019-10-31 | 2020-04-10 | 中国航发南方工业有限公司 | Arc-shaped pipeline adapter welding positioning device and welding positioning method |
| CN111331219A (en) * | 2019-12-24 | 2020-06-26 | 北京动力机械研究所 | Brazing positioning device for cantilever blade structural member |
| CN111331219B (en) * | 2019-12-24 | 2021-11-19 | 北京动力机械研究所 | Brazing positioning device for cantilever blade structural member |
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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 STATION EQUIPMENT CO. Free format text: FORMER OWNER: SHANGHAI TURBINE CO., LTD. Effective date: 20080509 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20080509 Address after: No. 188, Chun Chun Road, Shanghai, Minhang District: 201100 Patentee after: Shanghai Electric Station Equipment Co., Ltd. Address before: No. 333, Jiangchuan Road, Shanghai, Minhang District: 200240 Patentee before: Shanghai Steam Turbine Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20150203 Granted publication date: 20060322 |