CN202040120U - Thermal expansion compensation housing device - Google Patents
Thermal expansion compensation housing device Download PDFInfo
- Publication number
- CN202040120U CN202040120U CN2010206611754U CN201020661175U CN202040120U CN 202040120 U CN202040120 U CN 202040120U CN 2010206611754 U CN2010206611754 U CN 2010206611754U CN 201020661175 U CN201020661175 U CN 201020661175U CN 202040120 U CN202040120 U CN 202040120U
- Authority
- CN
- China
- Prior art keywords
- casing
- centrifugal impeller
- connection device
- end connection
- rear end
- 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
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Abstract
A thermal expansion compensation housing device is characterized in that: the thermal expansion compensation housing device comprises an inner housing, a centrifugal impeller cover, an outer housing, an air guiding hole, a front end connecting device and a rear end connecting device; wherein: the front end of the inner housing is movably connected with the front end of the outer housing through the front end connecting device; the front end of the centrifugal impeller cover is connected with a rear end of the inner housing; the rear end of the centrifugal impeller cover is movably connected with the rear end of the outer housing through the rear end connecting device; and the air guiding hole is provided at the rear part of the inner housing. The thermal expansion compensation housing device has the following advantages: simple structure, capability of preventing unreasonable axial clearance between a rotator and a stator of an air compressor of a gas turbine, and capability of realizing reasonable axial clearance between the rotator and the stator.
Description
Technical field
The utility model relates to mechanical structure field, particularly a kind of temperature compensation casing device.
Background technique
The gas compressor of gas turbine changes, stator axial clearance, and existing structure is to reserve certain clearance under the prerequisite that guarantees assembling.But this structure has certain limitation, especially to the gap control DeGrain of centrifugal impeller.
Summary of the invention
The purpose of this utility model is that the gas compressor of guaranteeing gas turbine changes, stator axial clearance, and the spy provides a kind of temperature compensation casing device.
The utility model provides a kind of temperature compensation casing device, it is characterized in that: described temperature compensation casing device comprises interior casing 1, centrifugal impeller cover 2, outer casing 3, bleed hole 4, preceding end connection device 5, back end connection device 6;
Wherein: the front end of interior casing 1 flexibly connects by the front end of preceding end connection device 5 with outer casing 3, centrifugal impeller cover 2 front ends are connected with the rear end of interior casing 1, centrifugal impeller cover 2 rear ends flexibly connect by the rear end of back end connection device 6 with outer casing 3, and bleed hole 4 is positioned at casing 1 rear portion.
Described back end connection device 6 is an articulating device, allows axial float.
Advantage of the present utility model:
Temperature compensation casing device described in the utility model, simple in structure, flexible connection can avoid the gas compressor commentaries on classics of gas turbine, the unreasonable problem of stator axial clearance to take place, and realizes that the axial clearance between commentaries on classics, stator is rationalized.
Description of drawings
Below in conjunction with drawings and the embodiments the utility model is described in further detail:
Fig. 1 is a temperature compensation casing principle of device structural representation.
Embodiment
Present embodiment provides a kind of temperature compensation casing device, it is characterized in that: described temperature compensation casing device comprises interior casing 1, centrifugal impeller cover 2, outer casing 3, bleed hole 4, preceding end connection device 5, back end connection device 6;
Wherein: the front end of interior casing 1 flexibly connects by the front end of preceding end connection device 5 with outer casing 3, centrifugal impeller cover 2 front ends are connected with the rear end of interior casing 1, centrifugal impeller cover 2 rear ends flexibly connect by the rear end of back end connection device 6 with outer casing 3, and bleed hole 4 is positioned at casing 1 rear portion.
Described back end connection device 6 is an articulating device, allows axial float.
Present embodiment provides a kind of temperature compensation casing device, it is characterized in that: described temperature compensation casing device comprises interior casing 1, centrifugal impeller cover 2, outer casing 3, bleed hole 4, preceding end connection device 5, back end connection device 6;
Wherein: the front end of interior casing 1 flexibly connects by the front end of preceding end connection device 5 with outer casing 3, centrifugal impeller cover 2 front ends are connected with the rear end of interior casing 1, centrifugal impeller cover 2 rear ends flexibly connect by the rear end of back end connection device 6 with outer casing 3, and bleed hole 4 is positioned at casing 1 rear portion.
Claims (3)
1. temperature compensation casing device, it is characterized in that: described temperature compensation casing device comprises interior casing (1), centrifugal impeller cover (2), outer casing (3), bleed hole (4), preceding end connection device (5), back end connection device (6);
Wherein: the front end of interior casing (1) flexibly connects by the front end of preceding end connection device (5) with outer casing (3), centrifugal impeller cover (2) front end is connected with the rear end of interior casing (1), centrifugal impeller cover (2) rear end flexibly connects by the rear end of back end connection device (6) with outer casing (3), and bleed hole (4) are positioned at casing (1) rear portion.
2. according to the described temperature compensation casing of claim 1 device, it is characterized in that: end connection device (5) is an articulating device before described, allows axial float.
3. according to the described temperature compensation casing of claim 1 device, it is characterized in that: described back end connection device (6) is articulating device, allows axial float.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206611754U CN202040120U (en) | 2010-12-15 | 2010-12-15 | Thermal expansion compensation housing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206611754U CN202040120U (en) | 2010-12-15 | 2010-12-15 | Thermal expansion compensation housing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202040120U true CN202040120U (en) | 2011-11-16 |
Family
ID=44967566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206611754U Expired - Fee Related CN202040120U (en) | 2010-12-15 | 2010-12-15 | Thermal expansion compensation housing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202040120U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443227A (en) * | 2018-05-24 | 2018-08-24 | 中国科学院工程热物理研究所 | A kind of casing ripple struction for preventing centrifugal impeller from scratching |
| CN109882449A (en) * | 2019-03-22 | 2019-06-14 | 中国航发常州兰翔机械有限责任公司 | A kind of aero-engine compressor front cover |
| CN112065774A (en) * | 2020-09-15 | 2020-12-11 | 中国航发沈阳发动机研究所 | Cartridge receiver structure and rotor-stator structure thereof |
-
2010
- 2010-12-15 CN CN2010206611754U patent/CN202040120U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108443227A (en) * | 2018-05-24 | 2018-08-24 | 中国科学院工程热物理研究所 | A kind of casing ripple struction for preventing centrifugal impeller from scratching |
| CN109882449A (en) * | 2019-03-22 | 2019-06-14 | 中国航发常州兰翔机械有限责任公司 | A kind of aero-engine compressor front cover |
| CN112065774A (en) * | 2020-09-15 | 2020-12-11 | 中国航发沈阳发动机研究所 | Cartridge receiver structure and rotor-stator structure thereof |
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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: 20111116 Termination date: 20141215 |
|
| EXPY | Termination of patent right or utility model |