CN204075747U - A kind of steam turbine is without hat stator blade end face Machining of Curved Surface frock - Google Patents
A kind of steam turbine is without hat stator blade end face Machining of Curved Surface frock Download PDFInfo
- Publication number
- CN204075747U CN204075747U CN201420402695.1U CN201420402695U CN204075747U CN 204075747 U CN204075747 U CN 204075747U CN 201420402695 U CN201420402695 U CN 201420402695U CN 204075747 U CN204075747 U CN 204075747U
- Authority
- CN
- China
- Prior art keywords
- blade
- steam
- face
- stator blade
- plate
- 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 - Fee Related
Links
Landscapes
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The utility model relates to turbine blade and manufactures field, particularly relate to a kind of steam turbine without hat stator blade end face Machining of Curved Surface frock, comprise base plate, sn-bi alloy steam passage curve support block, blade steam output side baffle plate, blade steam admission side baffle plate, blade back cambered surface fixture, the first steam passage location-plate, the second steam passage location-plate, end face locating piece and block; Wherein, described end face locating piece is positioned at without hat stator blade two ends, for the fixing position without hat stator blade; Described block is fixed on base plate, contacts respectively with end face locating piece, for the position of fixing end face locating piece.The steam turbine that the utility model provides is for the larger problem of cutting force during NC Milling vane end faces without hat stator blade end face Machining of Curved Surface frock, adopt low temperature sn-bi alloy pouring type, make sn-bi alloy back-up block and blade steam passage contact surface and steam passage inner arc shape and fit like a glove; Thrust is with stable in frock can to ensure to add man-hour at end face by blade like this, and sn-bi alloy can also be recycled.
Description
Technical field
The utility model relates to turbine blade and manufactures field, particularly relates to a kind of steam turbine without hat stator blade end face Machining of Curved Surface frock.
Background technology
Steam turbine (comprising power station steam turbine, industrial steam turbine, exhaust turbine etc.) is widely used in national economy, very important.Blade is the cardiac component of steam turbine, and its complex structure, manufacture difficulty is larger.The working environment of blade and stressing conditions are very complicated.Therefore, the quality of the workmanship (comprising inherent quality, surface quality and assembly quality etc.) of blade, will directly have influence on efficiency and manufacturing cycle of reliability and steam turbine of steam turbine running.
Because of the assembly relation of steam turbine stator blade and partition board of steam turbine, be the face of cylinder without hat stator blade inner ring end face, outer shroud end face is taper seat.The nothing hat stator blade inner and outer ring end surface shape of the some of same level will have uniformity.Inner and outer ring end face also has position degree requirement.The existing end face processing without the hat stator blade method processing adopting digital control wire-electrode cutting, all needs because arc radius is different with coning angle to make special frock more.A guide wheel mechanism is installed for band Taper cutting wire cutting machine tool, tapering is set.For the blade that size is large, because cutting area is large, add the low processing cost of efficiency high.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of steam turbine without hat stator blade end face Machining of Curved Surface frock.
For solving the problems of the technologies described above, the utility model provides following technical scheme:
A kind of steam turbine, without hat stator blade end face Machining of Curved Surface frock, comprises base plate, sn-bi alloy steam passage curve support block, blade steam output side baffle plate, blade steam admission side baffle plate, blade back cambered surface fixture, the first steam passage location-plate, the second steam passage location-plate, end face locating piece and block; Wherein, described end face locating piece is positioned at without hat stator blade two ends, for the fixing position without hat stator blade; Described block is fixed on base plate, contacts respectively with end face locating piece, for the position of fixing end face locating piece;
Described first steam passage location-plate, the second steam passage location-plate, blade steam output side baffle plate and be close to four sidewalls of sn-bi alloy steam passage curve support block respectively without hat stator blade air inlet side plate washer, first steam passage location-plate, the second steam passage location-plate, blade steam output side baffle plate, nothing hat stator blade air inlet side plate washer and base plate, blade face form relative closure space jointly, it is inner that sn-bi alloy steam passage curve support block is positioned at this enclosure space, and fit with this enclosure space;
Described blade back cambered surface fixture is positioned at without the hat stator blade back side, for fixing without hat stator blade convex surface.
Described sn-bi alloy steam passage curve support block uses sn-bi alloy to cast out in the relative closure space that the first steam passage location-plate, the second steam passage location-plate, blade steam output side baffle plate, blade air inlet side plate washer, base plate and blade face are formed, therefore sn-bi alloy steam passage curve support block can be fitted completely with blade face, plays the effect of good supporting and location blade face.
Preferably, described blade back cambered surface fixture comprises back bracket, back of the body arc voltage block and holding screw, and back bracket is provided with screw, and holding screw is by compressing back of the body arc voltage block fixed blade convex surface.
Preferably, a set of described steam turbine is provided with multiple blade back cambered surface fixture without hat stator blade end face Machining of Curved Surface frock; Further, be provided with 2-3 blade back cambered surface fixture, be distributed in diverse location, multiple spot is fixing more firm.
Described sn-bi alloy adopts existing formula, and its fusing point, at 80 ± 5 °, can be recycled and again cast.Concrete, bismuth metal 45 ~ 55 parts can be selected, metallic tin 22 ~ 32 parts, cadmium metal 10 parts, then add metallic zinc, lead or the zinc metal (with parts by weight) of 10 ~ 14 parts.
Numerical control mill, concerning without the processing of hat stator blade end face, has saved process time and cost than linear cutter; The steam turbine that the utility model provides is for the larger problem of cutting force during NC Milling vane end faces without hat stator blade end face Machining of Curved Surface frock, adopt low temperature sn-bi alloy pouring type, make sn-bi alloy back-up block and blade steam passage contact surface and steam passage inner arc shape and fit like a glove.Can ensure that blade adds thrust and stable in frock in man-hour at end face like this; Adopt the low temperature sn-bi alloy of certain proportioning simultaneously, be sn-bi alloy at about 80 DEG C, ensure that processing safety and intensity; After the blade steam passage processing of different batches, when there is the fluctuation in the margin of tolerance in steam passage shape, again can pour into a mould sn-bi alloy back-up block and complete, simple and easy to do.Sn-bi alloy can be recycled.
Accompanying drawing explanation
Fig. 1 is the structural representation of steam turbine of the present utility model without hat stator blade end face Machining of Curved Surface frock detailed description of the invention.
Fig. 2 is that the A-A of steam turbine of the present utility model without hat stator blade end face Machining of Curved Surface frock detailed description of the invention is to structural representation.
Reference numeral: 1. base plate; 2. sn-bi alloy steam passage curve support block; 3. blade steam output side baffle plate; 4. blade steam admission side baffle plate; 5. blade back cambered surface fixture; 6. back bracket; 7. carry on the back arc voltage block; 8. holding screw; 9. the first steam passage location-plate; 10. the second steam passage location-plate; 11. end face locating pieces; 12. blocks; 13. without hat stator blade.
Detailed description of the invention
Fig. 1 and 2 shows the detailed description of the invention of the utility model steam turbine without hat stator blade end face Machining of Curved Surface frock, comprises base plate 1, sn-bi alloy steam passage curve support block 2, blade steam output side baffle plate 3, blade steam admission side baffle plate 4, blade back cambered surface fixture 5, first steam passage location-plate 9, second steam passage location-plate 10, end face locating piece 11 and block 12; Wherein, two end face locating pieces 11 lay respectively at without hat stator blade 13 two ends, for the fixing position without hat stator blade 13; Two blocks 12 are fixed on base plate 1, contact respectively with two end face locating pieces 11, for the position of fixing end face locating piece 11; Sn-bi alloy steam passage curve support block 2 uses sn-bi alloy to cast out in the relative closure space that the first steam passage location-plate 9, second steam passage location-plate 10, blade steam output side baffle plate 3, nothing hat stator blade air inlet side plate washer 4, base plate 1 and blade face are formed, because blade face is curved surface, with the first steam passage location-plate 9, second steam passage location-plate 10, blade steam output side baffle plate 3, can not be completely closed without hat stator blade air inlet side plate washer 4, sn-bi alloy is just poured into a mould from the gap of blade face and blade steam output side baffle plate 3; Therefore sn-bi alloy steam passage curve support block can be fitted completely with blade face, plays the effect of good support blade intrados; Bismuth metal 50 parts is comprised by weight, metallic tin 28 parts, cadmium metal 10 parts, metallic zinc 6 parts and metallic lead 6 parts in sn-bi alloy.
Blade back cambered surface fixture 5 is positioned at without hat stator blade 13 back side, for the fixing convex surface without hat stator blade 13; Blade back cambered surface fixture 6 comprises back bracket 6, back of the body arc voltage block 7 and holding screw 8, and back bracket 6 is provided with screw, and holding screw 8 is by compressing back of the body arc voltage block 7 fixed blade convex surface; Often overlap frock and be provided with two blade back cambered surface fixtures 5.
More than display only describes principal character of the present utility model and main points.Those skilled in the art should understand, and the utility model is not restricted to the described embodiments.Under the prerequisite not departing from inventive point and protection domain, the utility model also has various change, and these changes and improvements all will fall in the claimed scope of the utility model.
Claims (4)
1. steam turbine is without a hat stator blade end face Machining of Curved Surface frock, comprises base plate (1), sn-bi alloy steam passage curve support block (2), blade steam output side baffle plate (3), blade steam admission side baffle plate (4), blade back cambered surface fixture (5), the first steam passage location-plate (9), the second steam passage location-plate (10), end face locating piece (11) and block (12); Wherein, described end face locating piece (11) is positioned at without hat stator blade (13) two ends, for the fixing position without hat stator blade (13); Described block (12) is fixed on base plate (1), contacts respectively with end face locating piece (11), for the position of fixing end face locating piece (11);
Described first steam passage location-plate (6), the second steam passage location-plate (7), blade steam output side baffle plate (3) and blade air inlet side plate washer (4) are close to four sidewalls of sn-bi alloy steam passage curve support block (2) respectively, and jointly form relative closure space with base plate (1), blade face, it is inner that sn-bi alloy steam passage curve support block (2) is positioned at this enclosure space, and fit with this enclosure space;
Described blade back cambered surface fixture (5) is positioned at without hat stator blade (13) back side, for fixing without hat stator blade (13) convex surface.
2. steam turbine as claimed in claim 1 is without hat stator blade end face Machining of Curved Surface frock, it is characterized in that, described blade back cambered surface fixture (5) comprises back bracket (6), back of the body arc voltage block (7) and holding screw (8), described back bracket (6) is provided with screw, and holding screw (8) is by compressing back of the body arc voltage block (7) fixed blade convex surface.
3. steam turbine as claimed in claim 1 or 2 is without hat stator blade end face Machining of Curved Surface frock, it is characterized in that, a set of described steam turbine is provided with multiple blade back cambered surface fixture (5) without hat stator blade end face Machining of Curved Surface frock.
4. steam turbine as claimed in claim 3 is without hat stator blade end face Machining of Curved Surface frock, it is characterized in that, a set of described steam turbine is provided with 2-3 blade back cambered surface fixture (5) without hat stator blade end face Machining of Curved Surface frock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402695.1U CN204075747U (en) | 2014-07-18 | 2014-07-18 | A kind of steam turbine is without hat stator blade end face Machining of Curved Surface frock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420402695.1U CN204075747U (en) | 2014-07-18 | 2014-07-18 | A kind of steam turbine is without hat stator blade end face Machining of Curved Surface frock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204075747U true CN204075747U (en) | 2015-01-07 |
Family
ID=52168510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420402695.1U Expired - Fee Related CN204075747U (en) | 2014-07-18 | 2014-07-18 | A kind of steam turbine is without hat stator blade end face Machining of Curved Surface frock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204075747U (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106271734A (en) * | 2016-08-29 | 2017-01-04 | 中航动力股份有限公司 | A kind of line cutting positioning fixture |
| CN106493593A (en) * | 2016-12-30 | 2017-03-15 | 无锡透平叶片有限公司 | Pre-determined bit jacking mechanism for arc tenon-tooth class blade |
| CN106563956A (en) * | 2015-10-09 | 2017-04-19 | 特变电工沈阳变压器集团有限公司 | Machining fixture for transformer clamp tape limb plate and use method of machining fixture |
| CN106736718A (en) * | 2017-03-24 | 2017-05-31 | 无锡飞而康精铸工程有限公司 | A kind of fixture for high temperature alloy precision castings blade processing |
| CN107662010A (en) * | 2017-09-29 | 2018-02-06 | 哈尔滨汽轮机厂有限责任公司 | The processing fitting rate measuring method and technique segmental arc in back arc lines face in blade assembling |
| CN108311755A (en) * | 2018-03-06 | 2018-07-24 | 广州飞机维修工程有限公司 | The positioning device and localization method precisely cut for airplane heat exchanger |
| CN109079549A (en) * | 2018-08-08 | 2018-12-25 | 哈尔滨汽轮机厂有限责任公司 | A kind of inner arc locating piece and its processing method |
| CN109277616A (en) * | 2018-12-12 | 2019-01-29 | 济南大学 | A kind of method and device for processing Low rigidity thin wall vane |
| CN109352562A (en) * | 2018-12-10 | 2019-02-19 | 中国航发四川燃气涡轮研究院 | A kind of clamping device of stator blade |
| CN110000527A (en) * | 2019-04-30 | 2019-07-12 | 辽宁工程技术大学 | A kind of aircraft engine slender lobule plate machining device and method |
| CN110497338A (en) * | 2019-08-16 | 2019-11-26 | 成都和鸿科技有限公司 | A kind of heavy duty gas turbine stator blade obturages grooving apparatus and its processing method |
| CN112620838A (en) * | 2021-03-10 | 2021-04-09 | 成都和鸿科技有限公司 | Integral machining method for guide vane basin dorsal sealing groove |
-
2014
- 2014-07-18 CN CN201420402695.1U patent/CN204075747U/en not_active Expired - Fee Related
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106563956A (en) * | 2015-10-09 | 2017-04-19 | 特变电工沈阳变压器集团有限公司 | Machining fixture for transformer clamp tape limb plate and use method of machining fixture |
| CN106271734A (en) * | 2016-08-29 | 2017-01-04 | 中航动力股份有限公司 | A kind of line cutting positioning fixture |
| CN106271734B (en) * | 2016-08-29 | 2019-06-18 | 中航动力股份有限公司 | A kind of wire cutting positioning fixture |
| CN106493593A (en) * | 2016-12-30 | 2017-03-15 | 无锡透平叶片有限公司 | Pre-determined bit jacking mechanism for arc tenon-tooth class blade |
| CN106736718A (en) * | 2017-03-24 | 2017-05-31 | 无锡飞而康精铸工程有限公司 | A kind of fixture for high temperature alloy precision castings blade processing |
| CN107662010B (en) * | 2017-09-29 | 2019-05-24 | 哈尔滨汽轮机厂有限责任公司 | Blade assembles the processing fitting rate measurement method and technique segmental arc in interior back arc lines face |
| CN107662010A (en) * | 2017-09-29 | 2018-02-06 | 哈尔滨汽轮机厂有限责任公司 | The processing fitting rate measuring method and technique segmental arc in back arc lines face in blade assembling |
| CN108311755A (en) * | 2018-03-06 | 2018-07-24 | 广州飞机维修工程有限公司 | The positioning device and localization method precisely cut for airplane heat exchanger |
| CN109079549A (en) * | 2018-08-08 | 2018-12-25 | 哈尔滨汽轮机厂有限责任公司 | A kind of inner arc locating piece and its processing method |
| CN109352562A (en) * | 2018-12-10 | 2019-02-19 | 中国航发四川燃气涡轮研究院 | A kind of clamping device of stator blade |
| CN109277616A (en) * | 2018-12-12 | 2019-01-29 | 济南大学 | A kind of method and device for processing Low rigidity thin wall vane |
| CN110000527A (en) * | 2019-04-30 | 2019-07-12 | 辽宁工程技术大学 | A kind of aircraft engine slender lobule plate machining device and method |
| CN110497338A (en) * | 2019-08-16 | 2019-11-26 | 成都和鸿科技有限公司 | A kind of heavy duty gas turbine stator blade obturages grooving apparatus and its processing method |
| CN112620838A (en) * | 2021-03-10 | 2021-04-09 | 成都和鸿科技有限公司 | Integral machining method for guide vane basin dorsal sealing groove |
| CN112620838B (en) * | 2021-03-10 | 2021-06-25 | 成都和鸿科技有限公司 | Integral machining method for guide vane basin dorsal sealing groove |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204075747U (en) | A kind of steam turbine is without hat stator blade end face Machining of Curved Surface frock | |
| CN105436838A (en) | Machining method for turbine work blade | |
| CN102615435A (en) | Method for directly machining turbine blade air film irregular holes through laser | |
| CN103056627A (en) | Forming method of high-precision closed blisk | |
| CN204686517U (en) | Floating type frequency conversion circular tool magazine | |
| CN203541592U (en) | Numerical control lathe multipurpose tool holder | |
| CN205702605U (en) | Compound many internal groove milling cutters | |
| CN109047797B (en) | Control method for preventing main shaft bearing from being burnt | |
| CN203751824U (en) | Chip removal structure for flat-bed numerically-controlled lathe | |
| CN205207438U (en) | A novel holder for on diesel engine bearing | |
| CN204413166U (en) | A kind of closed-loop control servo-drive electro spindle with deceleration device | |
| CN205651056U (en) | High temperature blade processingequipment | |
| CN202752867U (en) | Locating jig | |
| CN203610861U (en) | Novel numeric control plasma variable-groove cutting device | |
| CN205254207U (en) | MCD concave circular arc milling cutter | |
| CN205032794U (en) | High and manifold steel tube cutting machine of processing mode of machining efficiency | |
| CN206169320U (en) | Boring cutter | |
| CN204657492U (en) | A kind of digital control lathe chuck is top | |
| CN204366063U (en) | A kind of electric driving tool post syndeton for numerical control machining center | |
| CN203579188U (en) | End surface milling and centre drilling device for outer CV (constant-velocity) rings | |
| CN204089424U (en) | A kind of bearing chamber structure for end cap of motor for machining automatic chip breaking | |
| CN105234508A (en) | Method for electrically milling high-temperature alloy | |
| CN203401082U (en) | End cover machining mechanism of self-driven chuck double-tool-rest | |
| CN208929342U (en) | A kind of sawing machine tooling | |
| CN205154896U (en) | Axle center position adjustable slide bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150107 Termination date: 20210718 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |