CN102560053A - High and medium-temperature heat treatment deformation preventing device for large turbine blades - Google Patents
High and medium-temperature heat treatment deformation preventing device for large turbine blades Download PDFInfo
- Publication number
- CN102560053A CN102560053A CN2011104180940A CN201110418094A CN102560053A CN 102560053 A CN102560053 A CN 102560053A CN 2011104180940 A CN2011104180940 A CN 2011104180940A CN 201110418094 A CN201110418094 A CN 201110418094A CN 102560053 A CN102560053 A CN 102560053A
- Authority
- CN
- China
- Prior art keywords
- blade
- bracing frame
- heat treatment
- groove
- distortion
- 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.)
- Granted
Links
Images
Landscapes
- Heat Treatments In General, Especially Conveying And Cooling (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The invention relates to a deformation preventing device, in particular to a high and medium-temperature heat treatment deformation preventing device for large turbine blades. The device is characterized by being formed by assembling a casting support frame and supporting cushion blocks for supporting the casting support frame; the casting support frame is formed by assembling a U-shaped groove in the middle, groove walls on two sides of the U-shaped groove and a triangular side support which is fixed at each of two ends of the outer side of each groove wall; three cross beams with arc-shaped tops and different heights are fixed in the U-shaped groove at intervals; and two groove columns are fixed at each edge of the U-shaped groove. The device can make up the defects of the conventional blade heat treatment technology and prevent deformation of the blades in the heat treatment process according to the conventional heat treatment process mode, the characteristics of a trolley furnace and the overall dimension of the blades of different types.
Description
Technical field
The present invention relates to a kind of distortion-free device, especially relate to a kind of blade of large-sized water turbine high, in the distortion-free device of warm processing.
Background technology
The blade of large-sized water turbine material is ZG0Cr13Ni4Mo, belongs to high quality steel, and its overall size is 5245 * 4705 * 2406mm, and molded lines is " X " shape, and section form is wing, belongs to large-scale blades.Blade thickness great disparity is big, wall thickness thickness 379mm, and thinnest part 30mm is the curved surface foundry goods of space variable cross-section.Adopt NTT thermal treatment process mode to satisfy mechanical property of materials requirement to this blade, that is: a normalizing adds double tempering: 1020 ~ 1050 ℃ of normalizing temperatures, 610 ~ 650 ℃ of degree of rising again, 570 ~ 580 ℃ of two degree of rising again.So high, in the warm treating processes blade buckling deformation very easily takes place.
The blade research and development production phase, test two kinds of charging modes: a kind of is to keep flat shove charge, and another kind is to stand up shove charge to organize parallels, supported on both sides more.
Blade keeps flat charging mode, is difficult for the shove charge operation, and causes deformable blade easily.Because of blade self distortion, be placed on the special-purpose parallels in the car type furnace, easily parallels is pushed over, place unstable.Each position of blade receives the parallels reacting force of supporting uneven, in the heat treatment process, increases blade external force; Simultaneously, blade lies in car type furnace combustion gas quirk top, is unfavorable for furnace atmosphere circulation, causes very big furnace temperature deviation, and the top and bottom of the blade heating temperature difference is big, and the blade thermal stresses is increased.Bigger stress finally causes blade 5 ~ 15mm deflection.
Blade stands up the promptly many group parallels of shove charge, supported on both sides, and shove charge efficient is low, and it is long to take the crane resources time, and blade is yielding.For guaranteeing that blade stands up on the chassis face, form two row's parallels walls with first wife's in the car type furnace special-purpose big parallels in advance, every row's wall is stacked with big parallels is double-deck more than 6, and the spacing of two row's parallels walls guarantees that blade can put in.Sling blade is vertical with crane; Be placed in two row's parallels walls, after adjustment makes the vertical chassis face of blade center of gravity line by crane, keep crane motionless; The operator is real with the drift plug with the slit between blade and the parallels wall then; The welder with each independently parallels spot welding connect, guarantee firm after, the crane slack rope drives away.Whole shove charge operating process needs 16 hours approximately, and these parallels that lean on have stopped car type furnace combustion gas quirk, and foundry goods directly is placed on the combustion gas boiler face; Also run counter to the request for utilization of stove, influence temperature uniformity, too much parallels heat storage capacity is big; During the normalizing cooling, make the thick major part in blade bottom be difficult for cooling, cause the bigger distortion of blade thereby also can produce very big temperature difference heat stress; Deflection does not also prevent the device of this distortion at present at 2 ~ 10mm.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art; Provide a kind of and can remedy the deficiency of existing blade thermal treatment process technology, according to existing thermal treatment process mode, car type furnace characteristics and different model blade profile size, provide a kind of structure unique, prevent a kind of blade of large-sized water turbine that blade is out of shape in heat treatment process high, in the distortion-free device of warm processing.
In order to realize goal of the invention, the present invention realizes through following mode:
A kind of blade of large-sized water turbine is high, in the distortion-free device of warm processing, it is characterized in that: this device is to be assembled by casting bracing frame and the heat-resisting drift that supports it;
Said casting bracing frame is that the cell wall of U type groove, the U type groove both sides at middle part, two ends, the every cell wall outside equal fixed triangle side support and assemble; Fixed interval has the different crossbeam of height of three top cambers in U type groove, and every limit is fixed with 2 groove post on above-mentioned U type groove;
The arc at the top of said three crossbeams is similar with the radian of the blade that is supported, and its height is with corresponding with the blades height that is supported;
Said heat-resisting drift is between said casting bracing frame and blade.
Said casting bracing frame width is wide greater than the spacing of car type furnace three row's parallels.
The height of said each groove post is 1m, and its xsect is 200 * 200mm.
The present invention has following effect:
1) structure uniqueness, assurance blade keep original optimum regime constant in whole heat treatment process; Firmly and not can topple over: device provided by the invention is that casting bracing frame and the slave part by main part assembles, and this device is to be assembled by casting bracing frame and the lip block that supports it; Said casting bracing frame is that the cell wall of U type groove, the U type groove both sides at middle part, two ends, the every cell wall outside equal fixed triangle side support and assemble; Fixed interval has the different crossbeam of height of three top cambers in U type groove, and every limit is fixed with 2 groove post on above-mentioned U type groove; It is to support the clamping blade that the casting bracing frame of main part mainly acts on, and guarantees that this bracing frame can keep flat on three row's parallels, and blade is free vertical vertical state after putting bracing frame into.On chassis, put spacing according to blade dimensions, car type furnace parallels size and parallels. this bracing frame U type groove width is according to vane thickness and shaped design, guarantees that blade puts in easily and can not the gap too big.Be the inclined-plane characteristics according to blade water inlet limit on the U type slot length direction, simultaneously for after guaranteeing that blade puts in, main center line vertical channel plane design three crossbeams of different heights at bottom land, and beam design becomes conformal circular arc.Whole U type slot length guarantees that then 2/3 of width of blade can put in.So; Guaranteed that then blade can easily be put bracing frame into and one-tenth is out of shape minimum free vertical vertical state; The width of whole bracing frame is confirmed according to U type well width+cell wall thickness+side support triangle plate width; This width must guarantee that main U type bottom land major part of carrying blade is put on the chassis parallels, also needs contact respectively to go up the stove parallels at the bottom of two side support triangle plates.The width that is whole bracing frame is that the spacing of car type furnace three row's parallels is wide at least.Even this width has guaranteed just in time that also blade tilts 20.Also be unlikely to rollover.Let whole bracing or strutting arrangement that three groups of stress points are arranged simultaneously, divide equally stressedly, evenly stressed, guaranteed the device life-time service and can premature deformations; The high groove post of about 2 1m in every limit on the bracing frame U type groove, side supports blade body, guarantees that blade 2/3 short transverse is in bracing frame.Prevent blade and device rollover.The xsect of groove post is about 200 * 200mm.Support frame device has promptly guaranteed the intensity and the steadiness of bracing frame, simultaneously when blade normalizing high wind cool off, again can be not too much stop wind to the partial cooling of blade, simultaneously, the tonnage of self is little, quantity of heat storage is little, is not enough to influence the intake cooling on limit of blade bottom.Slave part is heat-resisting drift and little lip block.Main effect is to satisfy the blade of close type to use this bracing frame.Only need on bracing frame U type groove crossbeam, to place corresponding lip block,, jam-pack real with heat-resisting drift plug between blade and the lateral gap of bracing frame guarantee that blade keeps original optimum regime constant in whole heat treatment process simultaneously, firmly and not can topple over.
2) use is easy to operate: when blading shove charge provided by the invention is heat-treated, earlier with on bracing frame handling to the chassis parallels, bracing frame is put well.Place the bracing frame of respective numbers according to the quantity of dress blade; Blade bracing frame and parallels gap with little drift plug real after; The vertical again blade of slinging is placed directly in the blade bracing frame, finely tunes blade position all around with crane, behind inspection blade body medullary ray basic vertical means bottom surface and the chassis face; Keep blade motionless; Blade and bracing frame side clearance and bottom gap and device and chassis parallels gap with heat-resisting drift and the real jam-pack of little lip block plug,, are continued to implement shove charge by above-mentioned steps if any other blade with stove.
3) improve shove charge efficient, shorten the shove charge time, reduce the crane holding time, minimizing or without wlding, alleviate operator's labour intensity: anti-deformation device provided by the invention carries out vertical shove charge thermal treatment to blade to be produced in batches, has greatly reduced the blade heat treatment deformation.Through a plurality of vane type line dimensional measurements contrasts before and after the shove charge, the deflection that is caused by thermal treatment is merely 0 ~ 5mm. and is consistent with the result of computer software simulation, and deformation tendency stablizes, and has satisfied the requirement of whole blade production process size control.Present about 200 turbine blade of being produced of company does not cause dimension overproof because of the thermal treatment aspect or reprocesses and scraps.Simultaneously, single-piece blade shove charge operation is about 30 minutes at the deadline, and the used time is merely original 1/30, has practiced thrift a large amount of parallels and wlding simultaneously.
Description of drawings
Fig. 1 is a structural representation of the present invention;
Fig. 2 casts the structural representation of bracing frame for the present invention;
Fig. 3 is the cut-away view of Fig. 2 of the present invention along A-A.
Embodiment
A kind of blade of large-sized water turbine is high, in the distortion-free device of warm processing, as shown in Figure 1: this device is to be assembled by casting bracing frame 1 and the heat-resisting drift 7 that supports it.
Shown in Fig. 2 and 3: said casting bracing frame 1 is that the cell wall 3 of U type groove 2, U type groove 2 both sides at middle part, every two ends, cell wall 3 outside equal fixed triangle side support 4 and assemble; Fixed interval has the different crossbeam 5 of height of three top cambers in U type groove 2, and every limit is fixed with 2 groove post 6 on above-mentioned U type groove 2.
The arc at the top of above-mentioned three crossbeams 5 is similar with the radian of the blade that is supported, and its height is with corresponding with the blades height that is supported.
Said heat-resisting drift 7 is between said casting bracing frame 1 and blade.
Said casting bracing frame 1 width is wide greater than the spacing of car type furnace three row's parallels.
The height of said each groove post 6 is 1m, and its xsect is 200 * 200mm.
Claims (6)
- A blade of large-sized water turbine height, in the distortion-free device of warm processing, it is characterized in that: this device is to be assembled by its heat-resisting drift (7) of casting bracing frame (1) and support.
- 2. a kind of blade of large-sized water turbine as claimed in claim 1 is high, in the distortion-free device of warm processing; It is characterized in that: said casting bracing frame (1) is that U type groove (2), the cell wall (3) of U type groove (2) both sides, two ends, every cell wall (3) the outside equal fixed triangle side at middle part supports (4) and assemble; Fixed interval has the different crossbeam (5) of height of three top cambers in U type groove (2), goes up every limit at above-mentioned U type groove (2) and is fixed with 2 groove post (6).
- 3. a kind of blade of large-sized water turbine as claimed in claim 2 is high, in the distortion-free device of warm processing; It is characterized in that: the arc at the top of said three crossbeams (5) is similar with the radian of the blade that is supported, and its height is with corresponding with the blades height that is supported.
- 4. a kind of blade of large-sized water turbine as claimed in claim 1 is high, in the distortion-free device of warm processing, it is characterized in that: said heat-resisting drift (7) is positioned between said casting bracing frame (1) and the blade.
- 5. a kind of blade of large-sized water turbine as claimed in claim 1 is high, in the distortion-free device of warm processing, it is characterized in that: said casting bracing frame (1) width is wide greater than the spacing of car type furnace three row's parallels.
- 6. a kind of blade of large-sized water turbine as claimed in claim 2 is high, in the distortion-free device of warm processing, it is characterized in that: the height of said each groove post (6) is 1m, its xsect is 200 * 200mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110418094 CN102560053B (en) | 2011-12-15 | 2011-12-15 | High and medium-temperature heat treatment deformation preventing device for large turbine blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110418094 CN102560053B (en) | 2011-12-15 | 2011-12-15 | High and medium-temperature heat treatment deformation preventing device for large turbine blades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102560053A true CN102560053A (en) | 2012-07-11 |
| CN102560053B CN102560053B (en) | 2013-09-25 |
Family
ID=46406651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110418094 Active CN102560053B (en) | 2011-12-15 | 2011-12-15 | High and medium-temperature heat treatment deformation preventing device for large turbine blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102560053B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104498693A (en) * | 2014-12-23 | 2015-04-08 | 无锡透平叶片有限公司 | Charging structure and method for reducing heat treatment distortion of turbine blade forging |
| CN105441659A (en) * | 2015-12-28 | 2016-03-30 | 无锡透平叶片有限公司 | Anti-deformation thermal treatment tool for high-temperature alloy precisely-forged structural component |
| CN106086363A (en) * | 2016-08-11 | 2016-11-09 | 山东豪迈机械科技股份有限公司 | Large thin-wall impeller heat treatment protection device and the method preventing from deforming in impeller heat treatment |
| CN106636598A (en) * | 2016-11-30 | 2017-05-10 | 共享铸钢有限公司 | Anti-deformation process for large low-strength conical ring-shaped plate type steel casting |
| CN107674959A (en) * | 2017-09-25 | 2018-02-09 | 哈尔滨汽轮机厂有限责任公司 | One kind is used for big blade heat treatment shaping instrument |
| CN109396438A (en) * | 2018-12-19 | 2019-03-01 | 江苏集萃先进金属材料研究所有限公司 | A kind of the hot isostatic pressing size control device and method of blade of aviation engine casting |
| CN113798478A (en) * | 2021-08-02 | 2021-12-17 | 东方电气集团东方汽轮机有限公司 | Tool and method for reducing hot isostatic pressing deformation of investment casting turbine blade |
| CN114990314A (en) * | 2021-03-01 | 2022-09-02 | 天津重型装备工程研究有限公司 | Heat treatment anti-deformation tool and anti-deformation method for oversized cylindrical forging |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57149427A (en) * | 1981-03-06 | 1982-09-16 | Morikawa Sangyo Kk | Removal of residual stress in casting process of cylinder liner for small-size engine |
| CN2084397U (en) * | 1990-10-16 | 1991-09-11 | 青岛建筑工程学院 | Integral pressing cold rolling machine frame |
| CN201817524U (en) * | 2010-10-28 | 2011-05-04 | 南车资阳机车有限公司 | Tool for controlling deformation of engine blade during heat treatment |
| CN202465806U (en) * | 2011-12-15 | 2012-10-03 | 宁夏共享集团有限责任公司 | Anti-deformation device for high and medium temperature heat treatment of large hydraulic turbine blades |
-
2011
- 2011-12-15 CN CN 201110418094 patent/CN102560053B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57149427A (en) * | 1981-03-06 | 1982-09-16 | Morikawa Sangyo Kk | Removal of residual stress in casting process of cylinder liner for small-size engine |
| CN2084397U (en) * | 1990-10-16 | 1991-09-11 | 青岛建筑工程学院 | Integral pressing cold rolling machine frame |
| CN201817524U (en) * | 2010-10-28 | 2011-05-04 | 南车资阳机车有限公司 | Tool for controlling deformation of engine blade during heat treatment |
| CN202465806U (en) * | 2011-12-15 | 2012-10-03 | 宁夏共享集团有限责任公司 | Anti-deformation device for high and medium temperature heat treatment of large hydraulic turbine blades |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104498693A (en) * | 2014-12-23 | 2015-04-08 | 无锡透平叶片有限公司 | Charging structure and method for reducing heat treatment distortion of turbine blade forging |
| CN105441659A (en) * | 2015-12-28 | 2016-03-30 | 无锡透平叶片有限公司 | Anti-deformation thermal treatment tool for high-temperature alloy precisely-forged structural component |
| CN106086363A (en) * | 2016-08-11 | 2016-11-09 | 山东豪迈机械科技股份有限公司 | Large thin-wall impeller heat treatment protection device and the method preventing from deforming in impeller heat treatment |
| CN106086363B (en) * | 2016-08-11 | 2018-05-25 | 山东豪迈机械科技股份有限公司 | Large thin-wall impeller heat treatment protective device and the method for preventing impeller from being deformed in being heat-treated |
| CN106636598A (en) * | 2016-11-30 | 2017-05-10 | 共享铸钢有限公司 | Anti-deformation process for large low-strength conical ring-shaped plate type steel casting |
| CN106636598B (en) * | 2016-11-30 | 2018-09-18 | 共享铸钢有限公司 | A kind of anti-deformation process of large size low-intensity conical ring plate class steel-casting |
| CN107674959A (en) * | 2017-09-25 | 2018-02-09 | 哈尔滨汽轮机厂有限责任公司 | One kind is used for big blade heat treatment shaping instrument |
| CN109396438A (en) * | 2018-12-19 | 2019-03-01 | 江苏集萃先进金属材料研究所有限公司 | A kind of the hot isostatic pressing size control device and method of blade of aviation engine casting |
| CN109396438B (en) * | 2018-12-19 | 2023-05-30 | 江苏集萃先进金属材料研究所有限公司 | Hot isostatic pressing size control device and method for aero-engine blade castings |
| CN114990314A (en) * | 2021-03-01 | 2022-09-02 | 天津重型装备工程研究有限公司 | Heat treatment anti-deformation tool and anti-deformation method for oversized cylindrical forging |
| CN114990314B (en) * | 2021-03-01 | 2023-08-04 | 天津重型装备工程研究有限公司 | Heat treatment anti-deformation tool and anti-deformation method for oversized cylindrical forging |
| CN113798478A (en) * | 2021-08-02 | 2021-12-17 | 东方电气集团东方汽轮机有限公司 | Tool and method for reducing hot isostatic pressing deformation of investment casting turbine blade |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102560053B (en) | 2013-09-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102560053B (en) | High and medium-temperature heat treatment deformation preventing device for large turbine blades | |
| FI92658C (en) | LNG tank and its manufacturing method | |
| CN202465806U (en) | Anti-deformation device for high and medium temperature heat treatment of large hydraulic turbine blades | |
| CN106048186A (en) | Deformation-prevention heat treatment method for large thin-wall steel casting | |
| CN208688258U (en) | A kind of novel sinter trolley | |
| JP3195118U (en) | Checker brick hardware and hot stove | |
| CN104278278A (en) | Embedded rack for bevel gear carburization and quenching | |
| CN201833087U (en) | Metal welding boat for semiconductor packaging soldering process | |
| CN214496403U (en) | Step shaft part heat treatment combined material rack suitable for box-type furnace and trolley furnace | |
| CN114908236B (en) | Anti-deformation tool and anti-deformation method for heat treatment of ultra-large cake-shaped forge piece | |
| CN213202813U (en) | Liftable outer arch body of glass kiln charge door | |
| CN211854863U (en) | Heating material frame of trolley type resistance furnace | |
| CN207163211U (en) | Elevator electrical furnace top plate and elevator electrical furnace | |
| CN206475085U (en) | A kind of solidification support meanss for isostatic pressed product | |
| CN216404485U (en) | Heat treatment furnace bottom cushion block for wind power bearing | |
| CN110331269A (en) | A kind of machine adds frame parts heat treatment control clamp and clamping method | |
| CN211848040U (en) | Heat-resistant steel supporting structure | |
| CN213454961U (en) | Multipurpose detachable box type furnace material frame | |
| CN209147132U (en) | A kind of guiding device for fin panel casing | |
| CN219449822U (en) | Round titanium alloy test piece heat treatment tool | |
| CN105274570B (en) | A kind of advanced cathode carbon pieces and rod iron preheating device | |
| CN214842487U (en) | Novel box-type furnace bottom plate | |
| CN215628156U (en) | Heat treatment tray tool | |
| CN221028573U (en) | Trolley tooling of heat treatment furnace | |
| CN210661345U (en) | Flexible head-tail sealing device for sintering machine trolley |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 750021 Yinchuan, Xixia District, Tongxin South Road, 199#, Patentee after: NINGXIA KOCEL GROUP Co.,Ltd. Patentee after: KOCEL STEEL FOUNDRY Co.,Ltd. Address before: 750021 Yinchuan, Xixia District, Tongxin South Road, 199#, Patentee before: NINGXIA KOCEL GROUP Co.,Ltd. Patentee before: NINGXIA KOCEL STEEL FOUNDRY Co.,Ltd. |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20160706 Address after: Beijing road 750021 the Ningxia Hui Autonomous Region Yinchuan City Xixia District No. 550 Patentee after: KOCEL MACHINERY Ltd. Address before: 750021 Yinchuan, Xixia District, Tongxin South Road, 199#, Patentee before: NINGXIA KOCEL GROUP Co.,Ltd. Patentee before: KOCEL STEEL FOUNDRY Co.,Ltd. |