CN111561472A - Stator cartridge receiver structure - Google Patents
Stator cartridge receiver structure Download PDFInfo
- Publication number
- CN111561472A CN111561472A CN202010439481.1A CN202010439481A CN111561472A CN 111561472 A CN111561472 A CN 111561472A CN 202010439481 A CN202010439481 A CN 202010439481A CN 111561472 A CN111561472 A CN 111561472A
- Authority
- CN
- China
- Prior art keywords
- stator
- structure according
- blade
- case structure
- inner ring
- 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.)
- Pending
Links
Images
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/40—Casings; Connections of working fluid
- F04D29/403—Casings; Connections of working fluid especially adapted for elastic fluid pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/041—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector using blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D9/00—Stators
- F01D9/02—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles
- F01D9/04—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector
- F01D9/042—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The application belongs to the technical field of compressor stator cartridge receiver structural design, concretely relates to stator cartridge receiver structure, include: the stator casing is provided with a plurality of profile holes distributed along the circumferential direction; the stator inner ring is arranged in the stator casing; the blade root of each stator blade correspondingly penetrates through a shaped hole to be connected with the stator inner ring, and the blade tip sinks into the corresponding shaped hole.
Description
Technical Field
The application belongs to the technical field of structural design of a compressor stator casing, and particularly relates to a stator casing structure.
Background
Compressor stator cartridge receiver structure mainly includes: the stator blade comprises a stator casing, a stator inner ring arranged in the stator casing, and a plurality of stator blades distributed between the stator casing and the stator inner ring along the circumferential direction, wherein the blade tip of each stator blade is connected with the stator casing, and the blade root is connected with the stator inner ring.
Currently, in a stator casing structure, a plurality of T-shaped grooves extending along the circumferential direction are formed in the stator casing, the tip part of each stator blade is in a T shape, and in the assembling process of the stator casing structure, the tip part of each stator blade is sequentially clamped into the T-shaped grooves and is rotated to a preset position to be fixed, so that the tip part of each stator blade is connected with the stator casing, as shown in fig. 1, as the tip part of each stator blade is in a T shape, a plurality of chamfers exist, stress concentration is easily formed at the chamfer part, cracks are generated at the part of the stator blade, and the overall performance of a gas compressor is affected; in addition, most of the blade roots of each stator blade are welded and connected with the stator inner ring, and the welding part is easy to have larger stress, so that cracks are easy to generate in the working process of the gas compressor, the integral performance of gas compression is affected, and even disastrous accidents are caused.
The present application has been made in view of the above-mentioned technical drawbacks.
It should be noted that the above background disclosure is only for the purpose of assisting understanding of the inventive concept and technical solutions of the present invention, and does not necessarily belong to the prior art of the present patent application, and the above background disclosure should not be used for evaluating the novelty and inventive step of the present application without explicit evidence to suggest that the above content is already disclosed at the filing date of the present patent application.
Disclosure of Invention
It is an object of the present application to provide a stator case structure to overcome or mitigate at least one aspect of the technical deficiencies known to exist.
The technical scheme of the application is as follows:
a stator case structure comprising:
the stator casing is provided with a plurality of profile holes distributed along the circumferential direction;
the stator inner ring is arranged in the stator casing;
the blade root of each stator blade correspondingly penetrates through a shaped hole to be connected with the stator inner ring, and the blade tip sinks into the corresponding shaped hole.
According to at least one embodiment of the present application, in the above-mentioned stator casing structure, the stator inner ring has a plurality of grooves; each blade root is correspondingly inserted into one of the groove.
According to at least one embodiment of the application, in the stator casing structure, each groove is filled with damping rubber.
According to at least one embodiment of the present application, in the above-described stator case structure, the stator inner ring inner wall has an annular groove; the annular grooves are communicated with the various grooves, and damping rubber is filled in the annular grooves.
According to at least one embodiment of the present application, in the above-described stator case structure, the stator case, the stator inner ring, and each of the stator blades are made of a composite material.
According to at least one embodiment of the present application, the above-mentioned stator casing structure further includes:
and the adhesive tape surrounds the stator casing, covers each molded hole and compresses each blade tip.
According to at least one embodiment of the present application, in the above-described stator case structure, the adhesive tape is a cloth-sandwiched rubber tape.
According to at least one embodiment of the present application, the above-mentioned stator casing structure further includes:
and a plurality of bands surrounding the stator case and located outside the adhesive tape to band the adhesive tape on the stator case.
According to at least one embodiment of the present application, the above-mentioned stator casing structure further includes:
each pair of connecting joints corresponds to one strap, one connecting joint of each pair of connecting joints is connected with one end of the corresponding strap, and the other connecting joint of each pair of connecting joints is connected with the other end of the corresponding strap; each pair of connecting joints are butted with each other.
According to at least one embodiment of the present application, the above-mentioned stator casing structure further includes:
the thread directions of the two ends of the screw rods are opposite; each screw corresponds to a pair of the connecting joints, one end of each screw is in threaded connection with one connecting joint of the corresponding pair of the connecting joints, the other end of each screw is in threaded connection with the other connecting joint of the corresponding pair of the connecting joints, and the distance between the corresponding pair of the connecting joints can be adjusted through rotation of the screws.
According to at least one embodiment of the present application, the stator case structure has a specially-shaped protrusion on each screw rod to apply force to the screw rod to rotate the screw rod.
Drawings
FIG. 1 is a schematic view of a prior art stator case structure;
FIG. 2 is a schematic structural diagram of a stator casing according to an embodiment of the present disclosure;
FIG. 3 is a partial view of the structure of the portion of FIG. 2 in the direction A;
FIG. 4 is a schematic view of a band provided in an embodiment of the present application;
FIG. 5 is a schematic partial structural view of a stator casing structure provided in an embodiment of the present application;
FIG. 6 is a partial view of the structure of the portion B of FIG. 5;
wherein:
1-a stator case; 2-stator inner ring; 3-stator blades; 4-adhesive tape; 5-a cuff; 6-connecting a joint; 7-screw.
Detailed Description
In order to make the technical solutions and advantages of the present application clearer, the technical solutions of the present application will be further clearly and completely described in the following detailed description with reference to the accompanying drawings, and it should be understood that the specific embodiments described herein are only some of the embodiments of the present application, and are only used for explaining the present application, but not limiting the present application. It should be noted that, for convenience of description, only the parts related to the present application are shown in the drawings, other related parts may refer to general designs, and the embodiments and technical features in the embodiments in the present application may be combined with each other to obtain a new embodiment without conflict.
In addition, unless otherwise defined, technical or scientific terms used in the description of the present application shall have the ordinary meaning as understood by one of ordinary skill in the art to which the present application belongs. The terms "upper", "lower", "left", "right", "center", "vertical", "horizontal", "inner", "outer", and the like used in the description of the present application, which indicate orientations, are used only to indicate relative directions or positional relationships, and do not imply that the devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and when the absolute position of the object to be described is changed, the relative positional relationships may be changed accordingly, and thus, should not be construed as limiting the present application. The use of "first," "second," "third," and the like in the description of the present application is for descriptive purposes only to distinguish between different components and is not to be construed as indicating or implying relative importance. The use of the terms "a," "an," or "the" and similar referents in the context of describing the application is not to be construed as an absolute limitation on the number, but rather as the presence of at least one. The use of the terms "comprising" or "including" and the like in the description of the present application is intended to indicate that the element or item preceding the term covers the element or item listed after the term and its equivalents, without excluding other elements or items.
Further, it is noted that, unless expressly stated or limited otherwise, the terms "mounted," "connected," and the like are used in the description of the invention in a generic sense, e.g., connected as either a fixed connection or a removable connection or integrally connected; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, or they may be connected through the inside of two elements, and those skilled in the art can understand their specific meaning in this application according to the specific situation.
The present application is described in further detail below with reference to fig. 1 to 6.
A stator case structure comprising:
the stator casing 1 is provided with a plurality of profile holes distributed along the circumferential direction;
a stator inner ring 2 arranged in the stator casing 1;
the blade root of each stator blade 3 correspondingly penetrates through a shaped hole to be connected with the stator inner ring, and the blade tip sinks into the corresponding shaped hole.
For the stator casing structure disclosed in the above embodiment, it can be understood by those skilled in the art that, in the assembling process, the blade root of each stator blade 3 may pass through the corresponding hole to be connected to the stator inner ring 2, and the blade tip of each stator blade 3 may be submerged into the corresponding hole, that is, the blade root of each stator blade 3 is connected to the stator inner ring 2, and the blade tip is clamped into the corresponding hole and limited to the corresponding type, so as to realize the connection between each stator blade 3 and the stator casing 1 and the stator inner ring.
With regard to the stator casing structure disclosed in the above embodiments, it can be further understood by those skilled in the art that, in the stator casing structure, the tip of each stator blade 3 does not need to be designed to be T-shaped, and there is no corresponding chamfer portion, so that stress concentration at the chamfer portion is avoided, and cracks are prevented from being generated.
In some alternative embodiments, in the above-mentioned stator casing structure, the stator inner ring 2 has a plurality of grooves; each blade root is correspondingly inserted into one groove, namely, is limited in the groove without being fixed by welding, so that cracks are prevented from being generated at the part in the working process of the compressor.
In some optional embodiments, in the above-mentioned stator casing structure, each of the grooves is filled with damping rubber to perform a damping function on the blade root therein.
In some alternative embodiments, in the above-described stator casing structure, the stator inner ring inner wall has an annular groove; the annular grooves are communicated with the various grooves, and damping rubber is filled in the annular grooves.
With regard to the stator casing structure disclosed in the above embodiments, it can be further understood by those skilled in the art that when the damping rubber is filled in the annular groove, the damping rubber may simultaneously flow into each of the grooves, and play a role of buffering and damping the blade root in the groove.
In some optional embodiments, in the above-mentioned stator casing structure, the stator casing 1, the stator inner ring 2 and each stator blade 3 are made of composite material, so as to reduce the overall weight of the stator casing and meet the requirement of reducing the weight of the current air compressing component, and in addition, because each stator blade 3 does not have a corresponding chamfer part, the structure is simpler, the stator blade 3 is made of composite material, the molding is easier, and the stator blade 3 product with composite requirement can be obtained efficiently.
In some optional embodiments, the stator casing structure further includes:
and the adhesive tape 4 surrounds the stator casing 1, covers each molded hole, compresses each blade tip, fixes each blade tip in the corresponding molded hole, and limits each stator blade 3 from outwards falling off, so that each stator blade 3 and the stator casing 1 are reliably combined.
In some alternative embodiments, in the above-mentioned stator casing structure, the adhesive tape 4 is a cloth-sandwiched rubber tape.
In some optional embodiments, the stator casing structure further includes:
and a plurality of bands 5 surrounding the stator case 1 and located outside the adhesive tape 4 to tighten the adhesive tape 4 on the stator case 1.
In some alternative embodiments, the two bands 5 may be disposed on both sides of the adhesive tape 4 in the stator casing structure.
In some optional embodiments, the stator casing structure further includes:
a plurality of pairs of connecting joints 6, each pair of connecting joints 6 corresponds to one strap 5, one connecting joint 6 of each pair of connecting joints is connected with one end of the corresponding strap 5 in a welding manner, and the other connecting joint is connected with the other end of the corresponding strap 5 in a welding manner; each pair of the connecting tabs 6 are butted against each other so that both ends of the corresponding band 5 are butted against each other, thereby tightening the adhesive tape 4 to the stator case 1.
In some optional embodiments, the stator casing structure further includes:
the thread directions of the two ends of the screw rods 7 are opposite; each screw 7 corresponds to a pair of the connectors 6, one end of each screw is screwed on one connector 6 of the corresponding pair of the connectors 6, the other end of each screw is screwed on the other connector 6 of the corresponding pair of the connectors 6, and the distance between the corresponding pair of the connectors 6 can be adjusted by rotating the screws so as to adjust the tightening degree of the corresponding strap 5 corresponding to the adhesive tape 4.
In some alternative embodiments, the stator casing structure described above has a shaped projection on each screw 7 to apply a force to it to rotate it, so as to allow the distance between the corresponding pair of connection joints 6 to be easily adjusted.
The embodiments are described in a progressive manner in the specification, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.
Having thus described the present application in connection with the preferred embodiments illustrated in the accompanying drawings, it will be understood by those skilled in the art that the scope of the present application is not limited to those specific embodiments, and that equivalent modifications or substitutions of related technical features may be made by those skilled in the art without departing from the principle of the present application, and those modifications or substitutions will fall within the scope of the present application.
Claims (10)
1. A stator case structure, comprising:
the stator casing (1) is provided with a plurality of profile holes distributed along the circumferential direction;
a stator inner ring (2) disposed within the stator case (1);
the stator blade structure comprises a plurality of stator blades (3), wherein the blade root of each stator blade (3) correspondingly penetrates through one molded hole to be connected with the stator inner ring, and the blade tip is sunk into the corresponding molded hole.
2. The stator case structure according to claim 1,
the stator inner ring (2) is provided with a plurality of grooves; each blade root is correspondingly inserted into one of the groove.
3. The stator case structure according to claim 2,
and damping rubber is filled in each groove.
4. The stator case structure according to claim 3,
the inner wall of the stator inner ring (2) is provided with an annular groove; the annular grooves are communicated with the various grooves, and damping rubber is filled in the annular grooves.
5. The stator case structure according to claim 1,
the stator casing (1), the stator inner ring (2) and the stator blades (3) are made of a composite material.
6. The stator case structure according to claim 1,
further comprising:
and the adhesive tape (4) surrounds the stator casing (1), covers each molded hole and compresses each blade tip.
7. The stator case structure according to claim 6,
the adhesive tape (4) is a cloth-sandwiched rubber tape.
8. The stator case structure according to claim 6, wherein,
further comprising:
and a plurality of bands (5) surrounding the stator case (1) and located outside the adhesive tape (4) so as to clamp the adhesive tape (4) on the stator case (1).
9. The stator case structure according to claim 8,
further comprising:
a plurality of pairs of connecting joints (6), each pair of connecting joints (6) corresponds to one strap (5), one connecting joint (6) is connected with one end of the corresponding strap (5), and the other connecting joint is connected with the other end of the corresponding strap (5); each pair of the connecting joints (6) are mutually butted.
10. The stator case structure according to claim 9,
further comprising:
the thread directions of the two ends of the screw rods (7) are opposite; each screw rod (7) corresponds to one pair of connecting joints (6), one end of each screw rod is screwed on one connecting joint (6) corresponding to the corresponding pair of connecting joints (6), the other end of each screw rod is screwed on the other connecting joint (6) corresponding to the corresponding pair of connecting joints (6), and the distance between the corresponding pair of connecting joints (6) can be adjusted through rotation of the screw rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010439481.1A CN111561472A (en) | 2020-05-22 | 2020-05-22 | Stator cartridge receiver structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010439481.1A CN111561472A (en) | 2020-05-22 | 2020-05-22 | Stator cartridge receiver structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111561472A true CN111561472A (en) | 2020-08-21 |
Family
ID=72072274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010439481.1A Pending CN111561472A (en) | 2020-05-22 | 2020-05-22 | Stator cartridge receiver structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111561472A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324521A (en) * | 2020-11-03 | 2021-02-05 | 中国航发沈阳发动机研究所 | Tandem stator structure |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB599391A (en) * | 1945-05-25 | 1948-03-11 | Power Jets Res & Dev Ltd | Improvements in and relating to axial flow compressors, turbines and the like machines |
| CN1932363A (en) * | 2005-09-16 | 2007-03-21 | 日本维克托利克株式会社 | Housing type joint |
| CN101349289A (en) * | 2007-07-16 | 2009-01-21 | 台达电子工业股份有限公司 | Fan and fan frame thereof |
| CN105378226A (en) * | 2013-07-19 | 2016-03-02 | 通用电气公司 | Turbine nozzle with impingement baffle |
| CN107725117A (en) * | 2017-09-15 | 2018-02-23 | 中国科学院工程热物理研究所 | A kind of stator blade mounting structure |
| CN209875228U (en) * | 2019-05-14 | 2019-12-31 | 中国航发沈阳发动机研究所 | Case assembly and have its aeroengine |
| CN210050103U (en) * | 2019-01-24 | 2020-02-11 | 上海海事大学 | Rotatable inner end wall casing for compressor rotor |
-
2020
- 2020-05-22 CN CN202010439481.1A patent/CN111561472A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB599391A (en) * | 1945-05-25 | 1948-03-11 | Power Jets Res & Dev Ltd | Improvements in and relating to axial flow compressors, turbines and the like machines |
| CN1932363A (en) * | 2005-09-16 | 2007-03-21 | 日本维克托利克株式会社 | Housing type joint |
| CN101349289A (en) * | 2007-07-16 | 2009-01-21 | 台达电子工业股份有限公司 | Fan and fan frame thereof |
| CN105378226A (en) * | 2013-07-19 | 2016-03-02 | 通用电气公司 | Turbine nozzle with impingement baffle |
| CN107725117A (en) * | 2017-09-15 | 2018-02-23 | 中国科学院工程热物理研究所 | A kind of stator blade mounting structure |
| CN210050103U (en) * | 2019-01-24 | 2020-02-11 | 上海海事大学 | Rotatable inner end wall casing for compressor rotor |
| CN209875228U (en) * | 2019-05-14 | 2019-12-31 | 中国航发沈阳发动机研究所 | Case assembly and have its aeroengine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112324521A (en) * | 2020-11-03 | 2021-02-05 | 中国航发沈阳发动机研究所 | Tandem stator structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10823179B2 (en) | Method of assembling a set of impellers through tie rods impeller and turbomachine | |
| CN111561472A (en) | Stator cartridge receiver structure | |
| KR20070002087A (en) | Radial oscillating motor, and method for the production thereof | |
| CN110960886B (en) | High-speed counter-current chromatographic separation column | |
| CN108320671A (en) | Connection structure and display device | |
| CN108458176B (en) | Connector assembly, air conditioner and connector assembly assembling method | |
| EP2998589B1 (en) | Joining structure | |
| KR920006654A (en) | Pipe connection structure of compressor and compressor provided with this | |
| CN110778841B (en) | Double-ripple metal expansion piece | |
| CN210290604U (en) | Connector for rope | |
| RU2630066C1 (en) | Compressor straightener of gas turbine engine | |
| CN203548217U (en) | Compressor | |
| CN207263374U (en) | Pressure testing device | |
| CN2905290Y (en) | Universal saw | |
| CN220319222U (en) | Support frame and support pond | |
| CN214662627U (en) | Teflon hose with multi-section connection | |
| CN219067755U (en) | PE plum blossom pipe structure | |
| KR20160125025A (en) | Assembly for fixing the door and the handler | |
| CN215371530U (en) | Combined safety hydraulic element | |
| CN110145569A (en) | Rope connector | |
| CN213745521U (en) | Filter pipeline mounting structure | |
| CN211259231U (en) | Special steel processing easily assembles safety combination part | |
| CN219327730U (en) | Steering output shaft | |
| CN212318718U (en) | Novel gear easy to maintain | |
| CN219549341U (en) | Swing rod capable of being quickly assembled and disassembled |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200821 |
|
| RJ01 | Rejection of invention patent application after publication |