CN103790709B - Wheel disk of turbine - Google Patents
Wheel disk of turbine Download PDFInfo
- Publication number
- CN103790709B CN103790709B CN201410056457.4A CN201410056457A CN103790709B CN 103790709 B CN103790709 B CN 103790709B CN 201410056457 A CN201410056457 A CN 201410056457A CN 103790709 B CN103790709 B CN 103790709B
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- China
- Prior art keywords
- wheel disc
- wheel
- cavity
- idiosome
- turbine
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- 238000007789 sealing Methods 0.000 claims description 6
- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000000116 mitigating effect Effects 0.000 abstract description 3
- 238000003466 welding Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 238000010146 3D printing Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 210000002257 embryonic structure Anatomy 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 210000001161 mammalian embryo Anatomy 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Abstract
The invention discloses a kind of wheel disk of turbine, including wheel disc, closed cavity is provided with inside wheel disc.Wheel disk of turbine of the present invention, pass through the hollow closed cavity of the indoor design in wheel disc, save the consumptive material of wheel disc, and the structure efficiency of wheel disc is greatly improved, alleviate the overall weight of wheel disc, the stress concentration of wheel disc is avoided, so as to reach the effect for the service life for mitigating the weight of wheel disc and extending wheel disc.
Description
Technical field
The present invention relates to engine art, especially, it is related to a kind of wheel disk of turbine for engine.
Background technology
Require lightweight for the wheel disc in aero-engine or other gas-turbine units and service life is long.Ginseng
According to Fig. 1, existing wheel disk of turbine includes wheel disc disk body 1 and the blade 2 on the periphery of wheel disc disk body 1, wherein, wheel disc disk body 1
For solid construction.Existing wheel disk of turbine adds the weight of turbine, and turbine due to the wheel disc disk body 1 using solid construction
At work, not all position answers dynamics all very high, and the stress at some internal positions is relatively small, therefore causes existing
The stock utilization of turbine is low, and is easily caused wheel disk stress is higher or weight is laid particular stress on.
The content of the invention
Present invention aims at a kind of wheel disk of turbine is provided, to solve, existing wheel disk of turbine stress is higher and weight is laid particular stress on
Technical problem.
To achieve the above object, the technical solution adopted by the present invention is as follows：
Closed cavity is provided with inside a kind of wheel disk of turbine, including wheel disc, wheel disc.
Further, cavity is located between the center line of wheel disc and outer rim.
Further, the bore of cavity from the inner side of wheel disc to outer rim at taper into.
Further, cavity circumferentially insertion in wheel disc.
Further, cavity is provided with the passage being communicated to cavity outside wheel disc.
Further, wheel disc includes processing fluted respectively at least two idiosomes, at least two idiosomes, at least two embryos
The groove that body is welded to connect on composition wheel disc, at least two idiosomes cooperatively forms closed cavity.
Further, the sealing wire of at least two idiosomes deviates the high stress areas of wheel disc.
Further, the centerline of wheel disc is provided with mounting hole, the mounting hole of wheel disc to the thickness at the outer rim of wheel disc
Degree is gradually thinning.
Further, multiple blades are connected with the outer rim of wheel disc.
Further, multiple blades are welded with wheel disc or joggle is connected.
The invention has the advantages that：
Wheel disk of turbine of the present invention, by the hollow closed cavity of the indoor design in wheel disc, saves the consumptive material of wheel disc, and
So that the structure efficiency of wheel disc is greatly improved, alleviate the overall weight of wheel disc, it is to avoid the stress concentration of wheel disc, so that
The effect for the service life for mitigating the weight of wheel disc and extending wheel disc is reached.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is further detailed explanation.
Brief description of the drawings
The accompanying drawing for constituting the part of the application is used for providing a further understanding of the present invention, schematic reality of the invention
Apply example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.In the accompanying drawings：
Fig. 1 is the schematic cross-section of wheel disk of turbine in the prior art；
Fig. 2 is the dimensional structure diagram of preferred embodiment of the present invention wheel disc；
Fig. 3 is the cross section structure schematic diagram of preferred embodiment of the present invention wheel disk of turbine；
Fig. 4 is preferred embodiment of the present invention wheel disc welded structure schematic diagram；And
Fig. 5 is another structural representation of preferred embodiment of the present invention wheel disc welding.
Description of reference numerals：
10th, wheel disc；11st, mounting hole；12nd, cavity；13rd, outer rim；14th, passage；
10A, left idiosome；10B, right idiosome；10C, outer idiosome；10D, interior idiosome；20th, blade.
Embodiment
Embodiments of the invention are described in detail below in conjunction with accompanying drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Reference picture 2, the preferred embodiments of the present invention provide a kind of wheel disk of turbine, including wheel disc 10, the center of circle of wheel disc 10
Place is provided with mounting hole 11, and the inside of wheel disc 10 is provided with closed cavity 12.The embodiment of the present invention passes through the indoor design in wheel disc 10
Hollow closed cavity 12, saves the consumptive material of wheel disc 10, and the structure efficiency of wheel disc 10 is greatly improved, and mitigates
The overall weight of wheel disc 10, it is to avoid the stress concentration of wheel disc 10, so as to reach the weight for mitigating wheel disc 10 and extend wheel
The effect of the service life of disk 10.
In the present embodiment, in order to ensure wheel disc 10 bearing capacity and as much as possible mitigate wheel disc 10 weight, preferably
Ground, cavity 12 is located at the position of the outer rim 13 of close wheel disc 10 in wheel disc 10, by the inside of wheel disc 10 close to outer rim 13
Region is removed, and improves the overall structure efficiency of wheel disc 10, it is to avoid the stress concentration or weight of wheel disc 10 are laid particular stress on.
In the present embodiment, it is gradually thinning to the thickness at the outer rim 13 of wheel disc 10 at the mounting hole 11 of wheel disc 10, with
Ensure that the bearing capacity at the mounting hole 11 of wheel disc 10 is stronger.It is preferred that the bore of cavity 12 is from the inner side of wheel disc 10 to foreign steamer
Tapered at edge 13, it is less to hollow out the internal stress of wheel disc 10 on the premise of the structural strength of wheel disc 10 is ensured with as far as possible
Region, to mitigate the total quality of wheel disc 10.
Reference picture 3, in the present embodiment, the outer rim 13 of wheel disc 10 are provided with multiple blades 20.Multiple blades 20 and wheel
Disk 10 is welded or joggle connection.Preferably, the circumferentially insertion in wheel disc 10 of cavity 12, wheel disc 10 is mitigated to maximize
Quality, and optimize the structure efficiency of wheel disc 10.
Preferably, provided with the passage 14 being communicated to cavity 12 outside wheel disc 10 at reference picture 4 and Fig. 5, cavity 12.It is logical
Stomata 14 causes closed cavity 12 to be communicated to the outside of wheel disc 10, it is to avoid air is influenceed in cavity 12 by expanding with heat and contract with cold
And aggravate the stress concentration of wheel disc 10.Passage 14 can set multiple, it is preferable that passage 14 is arranged on wheel disc 10 close to outer
On the position of wheel rim 13.
Preferably, wheel disc 10 includes at least two idiosomes, multiple idiosome processing synthesis wheel discs 10.Reference picture 4, wheel disc 10 is wrapped
Include left idiosome 10A and right idiosome 10B.First, left idiosome 10A and right idiosome 10B are processed recessed on the two relative faying face
Groove, respectively the groove on left idiosome 10A and right idiosome 10B surround to form cavity 12；Along sealing wire X by left idiosome 10A
Welded with right idiosome 10B.In the present embodiment, sealing wire X selections deviate the high stress areas of wheel disc 10 as far as possible, to ensure
Bearing strength after the processing of wheel disc 10；Welding manner can be using modes such as friction welding (FW), diffusion welding (DW) or 3D printings.By left embryo
After body 10A and the integrally welded wheel discs 10 of right idiosome 10B, then carry out on wheel disc 10 processing of the grade miscellaneous part of blade 20.
Reference picture 5, wheel disc 10 includes outer idiosome 10C and interior idiosome 10D.First, outer idiosome 10C and interior idiosome 10D are existed
Groove is processed on the two relative faying face, the groove on outer idiosome 10C and interior idiosome 10D surrounds to form cavity respectively
12；Outer idiosome 10C and interior idiosome 10D are welded along sealing wire Y.In the present embodiment, sealing wire Y selections deviate as far as possible
The high stress areas of wheel disc 10, to ensure the bearing strength after the processing of wheel disc 10；Welding manner can use friction welding (FW), diffusion welding (DW)
Or the mode such as 3D printing.After by outer idiosome 10C and the integrally welded wheel discs 10 of interior idiosome 10D, then it is enterprising in wheel disc 10
The processing of the grade miscellaneous part of row blade 20.
The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area
For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should be included in the scope of the protection.
Claims (3)
1. a kind of wheel disk of turbine, including wheel disc (10), it is characterised in that provided with circumferentially insertion inside the wheel disc (10)
Cavity (12)；The circle centre position of the wheel disc (10) is provided with mounting hole (11), and the cavity (12) is provided with the cavity (12)
It is communicated to the passage (14) outside the wheel disc (10)；Passage is multiple and is arranged on the wheel disc (10) close to outer rim
(13) on position；
The thickness at outer rim (13) place of the mounting hole (11) place to the wheel disc (10) of the wheel disc (10) is gradually thinning,
The bearing capacity at the mounting hole (11) place to ensure the wheel disc (10) is stronger；The cavity (12) is located at the wheel disc
(10) close to the position of the outer rim (13) in；The bore of the cavity (12) is from the interior lateral described outer of the wheel disc (10)
Wheel rim (13) place is tapered into；
The wheel disc (10) includes processing fluted respectively at least two idiosomes, at least two idiosome, and described at least two
The groove that individual idiosome is welded to connect on the composition wheel disc (10), at least two idiosome cooperatively forms the closed cavity
(12)；The sealing wire of at least two idiosome deviates the high stress areas of the wheel disc (10).
2. wheel disk of turbine according to claim 1, it is characterised in that
Multiple blades (20) are connected with the outer rim (13) of the wheel disc (10).
3. wheel disk of turbine according to claim 2, it is characterised in that
The multiple blade (20) is welded with the wheel disc (10) or joggle is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056457.4A CN103790709B (en) | 2014-02-19 | 2014-02-19 | Wheel disk of turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410056457.4A CN103790709B (en) | 2014-02-19 | 2014-02-19 | Wheel disk of turbine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103790709A CN103790709A (en) | 2014-05-14 |
| CN103790709B true CN103790709B (en) | 2017-07-28 |
Family
ID=50666706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410056457.4A Active CN103790709B (en) | 2014-02-19 | 2014-02-19 | Wheel disk of turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103790709B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4455122A (en) * | 1981-12-14 | 1984-06-19 | United Technologies Corporation | Blade to blade vibration damper |
| CN1497129A (en) * | 2002-10-21 | 2004-05-19 | 西门子公司 | Turbine transmission mechanism and method for cooling turbine transmission mechanism |
| CN103046964A (en) * | 2012-06-27 | 2013-04-17 | 北京航空航天大学 | Active temperature gradient control stress based aero-engine turbine disk |
| CN203362236U (en) * | 2013-07-01 | 2013-12-25 | 刘世华 | Turbine rotor weight reduction structure |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004060544A (en) * | 2002-07-29 | 2004-02-26 | Mitsubishi Heavy Ind Ltd | Clearance reduction method for gas turbine compressor, and gas turbine plant |
| US7017349B2 (en) * | 2003-02-05 | 2006-03-28 | Mitsubishi Heavy Industries, Ltd. | Gas turbine and bleeding method thereof |
| US8622701B1 (en) * | 2011-04-21 | 2014-01-07 | Florida Turbine Technologies, Inc. | Turbine blade platform with impingement cooling |
| CN103310046B (en) * | 2013-05-30 | 2016-01-20 | 西北工业大学 | Based on the band disc turbine disk cavity shape Optimization Design of hyperelliptic curve |
-
2014
- 2014-02-19 CN CN201410056457.4A patent/CN103790709B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4455122A (en) * | 1981-12-14 | 1984-06-19 | United Technologies Corporation | Blade to blade vibration damper |
| CN1497129A (en) * | 2002-10-21 | 2004-05-19 | 西门子公司 | Turbine transmission mechanism and method for cooling turbine transmission mechanism |
| CN103046964A (en) * | 2012-06-27 | 2013-04-17 | 北京航空航天大学 | Active temperature gradient control stress based aero-engine turbine disk |
| CN203362236U (en) * | 2013-07-01 | 2013-12-25 | 刘世华 | Turbine rotor weight reduction structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103790709A (en) | 2014-05-14 |
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Address after: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee after: AECC HUNAN AVIATION POWERPLANT Research Institute Country or region after: China Address before: Dong Jiaduan 412002 in Hunan province Zhuzhou city Lusong District Patentee before: CHINA AVIATION POWER MACHINERY INSTITUTE Country or region before: China |