CN203499738U - Flow passage structure for turbine back cartridge receiver - Google Patents
Flow passage structure for turbine back cartridge receiver Download PDFInfo
- Publication number
- CN203499738U CN203499738U CN201320387850.2U CN201320387850U CN203499738U CN 203499738 U CN203499738 U CN 203499738U CN 201320387850 U CN201320387850 U CN 201320387850U CN 203499738 U CN203499738 U CN 203499738U
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- CN
- China
- Prior art keywords
- flow passage
- outer flow
- leading portion
- back segment
- inner flow
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- Expired - Fee Related
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Abstract
The utility model provides a flow passage structure for a turbine back cartridge receiver. The flow passage structure comprises an outer flow passage and an inner flow passage, wherein the outer flow passage consists of an outer flow passage front section and an outer flow passage back section, the outer flow passage front section is in a whole annular structure, a plurality of special-shaped holes are formed in the outer flow passage front section, a row of installing edges are arranged at one side of the outer flow passage front section and are used for being connected with the outer flow passage back section, the outer flow passage back section is in a whole annular structure, a plurality of special-shaped holes are formed in the outer flow passage back section, a row of installing edges are arranged at one side of the outer flow passage back section and are used for being connected with the outer flow passage front section, the inner flow passage front section is in a whole annular structure, a plurality of special-shaped holes are formed in the inner flow passage front section, the inner flow passage back section is in a whole annular structure, a plurality of special-shaped holes are formed in the inner flow passage back section, the shapes of the special-shaped holes are identical to the shape of a support plate, and a row of installing edges are arranged at one side of the inner flow passage back section and are used for being connected with the inner flow passage front section. The flow passage structure has the advantages that the parts are few, the manufacturing process is simple, the weight is light, the inner flow passage and the outer flow passage are connected through screw bolts, and safety and reliability are realized.
Description
Technical field
The utility model relates to air-flow guide structure field, particularly a kind of turbine rear casing flow passage structure.
Background technique
Turbine rear casing is the important load parts of of aeroengine, is mainly used in supporting engines rotor, bears and transmits the various load of adjacent component.Turbine rear casing is generally taper shape or cylindrical thin-walled casing structure, mainly by encircling three parts in casing outer shroud, support plate and casing, form, because the gas flow temperature at the turbine rear casing place that flows through is higher, directly using casing inside and outside ring as air-flow path, can greatly weaken the strength and stiffness of casing, and turbine rear casing can produce torsional deformation under the effect of combustion gas thermal stress, original runner external form is damaged, thereby affects the stable operation of turbine rear casing itself and complete machine.
Model utility content
The utility model object is to realize that turbine rear casing is few with the part of flow passage structure, volume is little, lightweight, reliability is high, and spy provides a kind of turbine rear casing flow passage structure.
The utility model provides a kind of turbine rear casing flow passage structure, it is characterized in that: described turbine rear casing flow passage structure, comprises outer flow passage and inner flow passage; Described outer flow passage is comprised of outer flow passage leading portion and outer flow passage back segment; Described inner flow passage is comprised of inner flow passage leading portion and inner flow passage back segment; Described outer flow passage leading portion is whole loop configuration, has several profiled holes on outer flow passage leading portion, and the shape of profiled holes is identical with support plate external form, and outer flow passage leading portion one side is used for being connected with outer flow passage back segment with row's mounting edge;
Described outer flow passage back segment is whole loop configuration, has several profiled holes on outer flow passage back segment, and the shape of profiled holes is identical with support plate external form, and outer flow passage back segment one side has row's mounting edge for being connected with outer flow passage leading portion; Described inner flow passage leading portion is whole loop configuration, has several profiled holes on inner flow passage leading portion, and the shape of profiled holes is identical with support plate external form, and inner flow passage leading portion one side has row's mounting edge for being connected with inner flow passage back segment; Described inner flow passage back segment is whole loop configuration, has several profiled holes on inner flow passage back segment, and the shape of profiled holes is identical with support plate external form, and inner flow passage back segment one side has row's mounting edge for being connected with inner flow passage leading portion.
Between described outer flow passage leading portion and outer flow passage back segment, bolt connects.
Advantage of the present utility model:
Turbine rear casing flow passage structure described in the utility model, part number is few, and manufacturing process is simple, lightweight, and interior outer flow passage connects by bolt, safe and reliable; Its profiled holes of flow passage structure and support plate shape are coincide, and can play good seal action, have reduced the leakage of high-temperature fuel gas, have improved the strength and stiffness of turbine rear casing; Flow passage structure is not only applicable to aeroengine, also can be used as the heat insulation of domestic heating pipe network pipeline and protection structure.
Accompanying drawing explanation
Below in conjunction with drawings and the embodiments, the utility model is described in further detail:
Fig. 1 is flow passage structure turbine rear casing structural representation while not installing;
Fig. 2 is turbine rear casing structural representation after flow passage structure is installed;
Fig. 3 is outer flow passage schematic diagram;
Fig. 4 is outer flow passage leading portion schematic diagram;
Fig. 5 is outer flow passage back segment schematic diagram;
Fig. 6 is inner flow passage schematic diagram;
Fig. 7 is inner flow passage leading portion schematic diagram;
Fig. 8 is inner flow passage back segment schematic diagram;
1 is support plate, and 2 is casing outer ring, and 3 is casing inner ring, and 4 is outer flow passage leading portion, and 5 is outer flow passage back segment, and 6 is inner flow passage leading portion, and 7 is inner flow passage back segment, and 8 is outer flow passage, and 9 is inner flow passage.
Embodiment
The present embodiment provides a kind of turbine rear casing flow passage structure, comprises outer flow passage 8 and inner flow passage 9; Described outer flow passage 8 is comprised of outer flow passage leading portion 4 and outer flow passage back segment 5; Described inner flow passage 9 is comprised of inner flow passage leading portion 6 and inner flow passage back segment 7; Described outer flow passage leading portion 4 is whole loop configuration, has several profiled holes on outer flow passage leading portion 4, and the shape of profiled holes is identical with support plate 1 external form, and outer flow passage leading portion 4 one sides have row's mounting edge for being connected with outer flow passage back segment 5; Described outer flow passage back segment 5 is whole loop configuration, has several profiled holes on outer flow passage back segment 5, and the shape of profiled holes is identical with support plate 1 external form, and outer flow passage back segment 5 one sides have row's mounting edge for being connected with outer flow passage leading portion 4; Described inner flow passage leading portion 6 is whole loop configuration, has several profiled holes on inner flow passage leading portion 6, and the shape of profiled holes is identical with support plate 1 external form, and inner flow passage leading portion 6 one sides have row's mounting edge for being connected with inner flow passage back segment 7; Described inner flow passage back segment 7 is whole loop configuration, has several profiled holes on inner flow passage back segment 7, and the shape of profiled holes is identical with support plate 1 external form, and inner flow passage back segment 7 one sides have row's mounting edge for being connected with inner flow passage leading portion 6.Outer flow passage leading portion 4 is connected with outer flow passage back segment 5 use bolts, and the outer flow passage 8 that both form has formed the upper wall surface of fuel gas flow; Inner flow passage leading portion 6 is connected with inner flow passage back segment 7 use bolts, and the inner flow passage 9 that both form has formed the lower wall surface of fuel gas flow; This flow passage structure has reduced the thermal radiation of high-temperature fuel gas to turbine rear casing effectively, has reduced thermal stress, has improved the strength and stiffness of structure.
Claims (2)
1. a turbine rear casing flow passage structure, is characterized in that: described turbine rear casing flow passage structure, comprises outer flow passage and inner flow passage; Described outer flow passage is comprised of outer flow passage leading portion and outer flow passage back segment; Described inner flow passage is comprised of inner flow passage leading portion and inner flow passage back segment; Described outer flow passage leading portion is whole loop configuration, has several holes on outer flow passage leading portion, and the shape in hole is identical with support plate external form, and outer flow passage leading portion one side is used for being connected with outer flow passage back segment with row's mounting edge;
Described outer flow passage back segment is whole loop configuration, has several holes on outer flow passage back segment, and the shape in hole is identical with support plate external form, and outer flow passage back segment one side has row's mounting edge for being connected with outer flow passage leading portion; Described inner flow passage leading portion is whole loop configuration, has several holes on inner flow passage leading portion, and the shape in hole is identical with support plate external form, and inner flow passage leading portion one side has row's mounting edge for being connected with inner flow passage back segment; Described inner flow passage back segment is whole loop configuration, has several holes on inner flow passage back segment, and the shape in hole is identical with support plate external form, and inner flow passage back segment one side has row's mounting edge for being connected with inner flow passage leading portion.
2. according to turbine rear casing flow passage structure claimed in claim 1, it is characterized in that: between described outer flow passage leading portion and outer flow passage back segment, bolt connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320387850.2U CN203499738U (en) | 2013-07-01 | 2013-07-01 | Flow passage structure for turbine back cartridge receiver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320387850.2U CN203499738U (en) | 2013-07-01 | 2013-07-01 | Flow passage structure for turbine back cartridge receiver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203499738U true CN203499738U (en) | 2014-03-26 |
Family
ID=50330727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320387850.2U Expired - Fee Related CN203499738U (en) | 2013-07-01 | 2013-07-01 | Flow passage structure for turbine back cartridge receiver |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203499738U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202254A (en) * | 2018-03-13 | 2019-01-15 | 中国航空制造技术研究院 | A kind of electro-beam welding method of the intensive rectangle girth joint of outer ring surface |
-
2013
- 2013-07-01 CN CN201320387850.2U patent/CN203499738U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109202254A (en) * | 2018-03-13 | 2019-01-15 | 中国航空制造技术研究院 | A kind of electro-beam welding method of the intensive rectangle girth joint of outer ring surface |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140326 Termination date: 20210701 |