CN111664123A - Stator structure and machining and assembling method thereof - Google Patents
Stator structure and machining and assembling method thereof Download PDFInfo
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- CN111664123A CN111664123A CN202010505422.XA CN202010505422A CN111664123A CN 111664123 A CN111664123 A CN 111664123A CN 202010505422 A CN202010505422 A CN 202010505422A CN 111664123 A CN111664123 A CN 111664123A
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- 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
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
- F04D29/542—Bladed diffusers
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- 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
- F01D9/044—Nozzles; Nozzle boxes; Stator blades; Guide conduits, e.g. individual nozzles forming ring or sector fixing blades to stators permanently, e.g. by welding, brazing, casting or the like
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- 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
- F04D29/60—Mounting; Assembling; Disassembling
- F04D29/64—Mounting; Assembling; Disassembling of axial pumps
- F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
Abstract
The application belongs to the stator structural design field of calming the anger, concretely relates to stator structure, include: the two semi-annular stator casings are mutually butted to form the stator casing; the two semi-annular stator inner rings are mutually butted to form a stator inner ring; each semi-annular stator inner ring is correspondingly positioned on the inner side of one semi-annular stator casing; each group of stator blades are arranged between one semi-annular stator casing and a semi-annular stator inner ring corresponding to the semi-annular stator casing along the circumferential direction; the blade tip of each stator blade in each group of stator blades is connected with the inner wall of the corresponding semi-annular stator casing and is integrally formed with the corresponding semi-annular stator casing; the blade root of each stator blade in each group of stator blades is connected with the outer wall of the corresponding semi-annular stator inner ring and is integrally formed with the corresponding semi-annular stator casing. The stator structure also relates to a processing method and an assembling method of the stator structure.
Description
Technical Field
The application belongs to the field of compressed air stator structure design, and particularly relates to a stator structure and a processing and assembling method thereof.
Background
The stator structure in the engine compressor comprises a stator casing, a stator inner ring located in the stator casing and a plurality of stator blades axially arranged between the stator casing and the stator inner ring, wherein the blade tip of each stator blade is connected with the inner wall of the stator casing, the blade root of each stator blade is connected with the outer wall of the stator inner ring, the stator inner ring is sleeved on a rotor drum barrel, the front end of the stator casing is in butt joint with the rear end of a front-stage mounting casing, the rear end of the stator casing is in butt joint with the front end of a rear-stage mounting casing, and each stator blade is located between the front-stage rotor blade and a rear-stage rotor blade so as to adjust the flow direction of air flow between the two stages of rotor blades.
Currently, in order to realize assembly, the stator structure is usually designed to be an opposite-opening structure, that is, the stator casing is designed to be formed by two semi-annular stator casings in an abutting joint manner, a limit groove is formed on the inner wall of each semi-annular stator casing along the circumferential direction, a limit block is arranged at the tip part of each stator blade, each stator blade is divided into two groups, each group of stator blade corresponds to one semi-annular stator casing, when the stator structure is assembled in the compressor, the limit block at the tip part of each group of stator blade sequentially slides into the limit groove of the corresponding semi-annular stator casing, rotates to a preset position for positioning, then each stator blade is arranged between a preceding-stage rotor blade and a subsequent-stage rotor blade, the blade root of each stator blade is connected with the outer wall of a stator inner ring sleeved on a rotor drum through a rivet, and the two semi-annular stator casings are abutted to form the stator casing, the front end of the stator casing is butted with the rear end of the front-stage installation casing, and the rear end of the stator casing is butted with the front end of the rear-stage installation casing, so that the process is complicated, the connection among a plurality of components is designed, the assembly efficiency is low, and the assembly period is long.
Two semi-annular stator casings are mutually butted to form a stator
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 structure and a method of manufacturing and assembling the same that overcomes or mitigates at least one aspect of the technical disadvantages known to exist.
The technical scheme of the application is as follows:
one aspect provides a stator structure, comprising:
the two semi-annular stator casings are mutually butted to form the stator casing;
the two semi-annular stator inner rings are mutually butted to form a stator inner ring; each semi-annular stator inner ring is correspondingly positioned on the inner side of one semi-annular stator casing;
each group of stator blades are arranged between one semi-annular stator casing and a semi-annular stator inner ring corresponding to the semi-annular stator casing along the circumferential direction; the blade tip of each stator blade in each group of stator blades is connected with the inner wall of the corresponding semi-annular stator casing and is integrally formed with the corresponding semi-annular stator casing; the blade root of each stator blade in each group of stator blades is connected with the outer wall of the corresponding semi-annular stator inner ring and is integrally formed with the corresponding semi-annular stator casing.
According to at least one embodiment of the present application, the stator structure includes two butt edges on an outer wall of each semi-annular stator casing; two butt joint edges on one semi-annular stator casing respectively correspond to two butt joint edges on the other semi-annular stator casing, and the two semi-annular stator casings are in butt joint and two semi-annular stator inner rings are in butt joint through bolt connection.
According to at least one embodiment of the present application, in the stator structure described above, each of the semi-annular stator front end outer walls has a front connecting edge, and the rear end outer wall has a rear connecting edge.
In another aspect, a method for processing a stator structure includes:
butting the two semicircular structures to form a whole circular structure;
processing each semicircular structure to correspondingly obtain:
a semi-annular stator case;
the semi-annular stator inner ring is positioned on the inner side of the semi-annular stator casing;
a plurality of stator blades arranged in the circumferential direction between the semi-annular stator casing and the semi-annular stator inner ring; the blade tip of each stator blade is connected with the inner wall of the semi-annular stator casing and is integrally formed with the semi-annular stator casing; the blade root of each group of stator blades is connected with the outer wall of the semi-annular stator inner ring and is integrally formed with the semi-annular stator casing; wherein the content of the first and second substances,
the two semi-annular stator casings are mutually butted together to form the stator casing;
the two semi-annular stator inner rings are mutually butted together to form the stator inner ring.
According to at least one embodiment of the present application, in the above method for processing the stator structure, each of the outer walls of the semicircular structures has two butt edges; two butt joint edges on one semicircular structure respectively correspond to two butt joint edges on the other semicircular structure, and the two semicircular structures are butted through bolt connection;
after each semicircular structure is processed, two butt joint edges on each semicircular structure are positioned on the corresponding semicircular stator casing.
According to at least one embodiment of the present application, in the above stator structure processing method, the front end outer wall of each semicircular structure has a front connecting edge, and the rear end outer wall has a rear connecting edge;
after each semicircular structure is processed, the front connecting edge of each semicircular structure is positioned on the outer wall of the front end of the corresponding semicircular stator casing, and the rear connecting edge of each semicircular structure is positioned on the outer wall of the rear end of the corresponding semicircular stator casing.
Still another aspect provides a method of assembling a stator structure, comprising:
separating the two semi-annular stator casings and the two semi-annular stator inner rings;
two semi-annular stator inner rings are arranged between a front-stage rotor blade and a rear-stage rotor blade and are mutually butted to form a stator inner ring, and the stator inner ring is sleeved on a rotor drum barrel; mutually butting two semi-annular stator casings to form a stator casing;
and butting the front end of each stator casing with the rear end of the front-stage installation casing, and butting the rear end of each stator casing with the front end of the rear-stage installation casing.
According to at least one embodiment of the present application, in the assembling method of the stator structure, the two semi-annular stator casings and the two semi-annular stator inner rings are separated, specifically:
removing bolts connected to each butt joint edge on the two semi-annular stator casings;
with two semi-ring shape stator casings butt joint each other and form the stator inner ring to and dock each other two semi-ring shape stator casings and form the stator casing, specifically do:
two butt edges on one semi-annular stator casing respectively correspond to two butt edges on the other semi-annular stator casing and are connected through bolts, so that the two semi-annular stator casings are mutually butted to form the stator casing, and the two semi-annular stator casings are mutually butted to form the stator inner ring.
According to at least one embodiment of the present application, in the assembling method of the stator structure, the front end of each stator casing is butted with the rear end of the front-stage installation casing, specifically:
connecting a front connecting edge on each semi-annular stator with a front stage mounting edge of the outer wall of the rear end of a front stage mounting casing through a bolt, so that the front end of each stator casing is butted with the rear end of the front stage mounting casing;
the rear end of each stator casing is butted with the front end of a rear-stage installation casing, and the method specifically comprises the following steps:
the rear connecting edge of each semi-annular stator is connected with the rear mounting edge of the outer wall of the front end of the rear mounting casing through a bolt, so that the rear end of each stator casing is butted with the front end of the rear mounting casing
Drawings
FIG. 1 is a schematic diagram of a prior art stator structure;
FIG. 2 is an assembly schematic of a stator structure provided by an embodiment of the present application;
FIG. 3 is a schematic view of the structure of the portion A of FIG. 2;
wherein:
1-a semi-annular stator casing; 2-semi-annular stator inner ring; 3-stator blades; 4-butt joint of edges; 5-front connecting edge; 6-rear connecting edge; 7-preceding stage rotor blades; 8-a rear stage rotor blade; 9-mounting a casing at the rear stage; 10-a rotor drum; 11-front stage mounting of the casing.
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 3.
One aspect provides a stator structure, comprising:
the two semi-annular stator casings 1 are mutually butted to form the stator casing;
the two semi-annular stator inner rings 2 are mutually butted to form a stator inner ring; each semi-annular stator inner ring 1 is correspondingly positioned on the inner side of one semi-annular stator casing 1;
each group of stator blades 3 is arranged between one semi-annular stator casing 1 and a semi-annular stator inner ring 2 corresponding to the semi-annular stator casing 1 along the circumferential direction; the blade tip of each stator blade 3 in each group of stator blades 3 is connected with the inner wall of the corresponding semi-annular stator casing 1 and is integrally formed with the corresponding semi-annular stator casing 1; the blade root of each stator blade 3 in each group of stator blades 3 is connected with the outer wall of the corresponding semi-annular stator inner ring 2 and is integrally formed with the corresponding semi-annular stator casing 1.
For the stator structure disclosed in the above embodiments, it can be understood by those skilled in the art that, the half-ring stator casing 1, the corresponding half-ring stator inner ring 2 and the stator blades 3 of the corresponding group are designed to be an integral structure, during the assembly process, only two half-ring stator inner rings 2 need to be placed between the front-stage rotor blade 7 and the rear-stage rotor blade 8, and are butted with each other to form a stator inner ring, so that the stator inner ring is sleeved on the rotor drum 10; the two semi-annular stator casings 1 are mutually butted to form the stator casing; and the front end of each stator casing 1 is butted with the rear end of the front-stage installation casing 11, and the rear end is butted with the front end of the rear-stage installation casing 9, so that the stator structure can be assembled in the air compressing process.
According to at least one embodiment of the present application, in the above-described stator structure, each semi-annular stator casing 1 has two butt edges 4 on the outer wall; two butt joint edges 4 on one semi-annular stator casing 1 respectively correspond to two butt joint edges 4 on the other semi-annular stator casing 1, and the two semi-annular stator casings 1 are in butt joint and two semi-annular stator inner rings 2 are in butt joint through bolt connection.
According to at least one embodiment of the present application, in the above-described stator structure, the front end outer wall of each semi-annular stator 1 has a front connecting edge 5 for connecting with a front stage mounting edge of the rear end outer wall of a front stage mounting casing 11, so that the front end of each stator casing 1 is butted against the rear end of the front stage mounting casing 11; the outer wall of the rear end of each semi-annular stator 1 is provided with a rear connecting edge 6 which is used for being connected with the rear mounting edge of the outer wall of the front end of the rear mounting casing 9, so that the rear end of each stator casing 1 is butted with the front end of the rear mounting casing 9.
In another aspect, a method for processing a stator structure includes:
butting the two semicircular structures to form a whole circular structure;
processing each semicircular structure to correspondingly obtain:
a semi-annular stator case 1;
the semi-annular stator inner ring 2 is positioned on the inner side of the semi-annular stator casing 1;
a plurality of stator blades 3 arranged in the circumferential direction between the semi-annular stator casing 1 and the semi-annular stator inner ring 2; the blade tip of each stator blade 3 is connected with the inner wall of the semi-annular stator casing 1 and is integrally formed with the semi-annular stator casing 1; the blade root of each group of stator blades 3 is connected with the outer wall of the semi-annular stator inner ring 2 and is integrally formed with the semi-annular stator casing 1; wherein the content of the first and second substances,
the two semi-annular stator casings 1 are mutually butted together to form the stator casing;
the two semi-annular stator inner rings 2 are mutually butted together to form a stator inner ring.
With regard to the stator structure disclosed in the above embodiments, it can be understood by those skilled in the art that one semi-annular stator casing 1, the semi-annular stator inner ring 2 corresponding to the semi-annular stator casing 1, and each stator vane 3 thereof are machined from a semi-circular structure and are integrally formed.
For the stator structure disclosed in the above embodiment, it can be further understood by those skilled in the art that the half-ring stator casing 1 of the stator casing formed by butting two stator casings with each other after the processing is completed and the half-ring stator inner ring 2 of the stator inner ring formed by butting two stator inner rings with each other are distributed on the two half-ring structures before the processing is completed, the processing is performed on the full-circle structure formed by butting the two half-ring structures, the processing and the processing are tightly butted together after the processing are completed, and neither additional dimensional deviation is generated by separate processing nor processing is performed in a complete integral state, and the size deviation is generated by the material loss after the processing is obtained by dividing, so that the stator casing and the stator inner ring can be easily separated from each other and can be accurately butted together again to form corresponding stator casing and stator inner ring.
According to at least one embodiment of the present application, in the above method for processing the stator structure, each outer wall of the semicircular structure has two butt edges 4; the two butt joint edges 4 on one semicircular structure respectively correspond to the two butt joint edges 4 on the other semicircular structure, and the two semicircular structures are butted through bolt connection and kept in the state in the machining process;
after each semicircular structure is processed, the two butt joint edges 4 on each semicircular structure are positioned on the corresponding semicircular stator casings 1, so that the two semicircular stator casings 1 are mutually and tightly butted together to form the stator casings, and the two semicircular stator inner rings 2 are mutually and tightly butted together to form the stator inner rings.
Still another aspect provides a method of assembling a stator structure, comprising:
separating two semi-annular stator casings 1 and two semi-annular stator inner rings 2;
two semi-annular stator inner rings 2 are arranged between a front-stage rotor blade 7 and a rear-stage rotor blade 8 and are mutually butted to form a stator inner ring, and the stator inner ring is sleeved on a rotor drum barrel 10; the two semi-annular stator casings 1 are mutually butted to form the stator casing;
the front end of each stator casing 1 is butted with the rear end of the front-stage installation casing 11, and the rear end is butted with the front end of the rear-stage installation casing 9.
According to at least one embodiment of the present application, in the assembling method of the stator structure, the two semi-annular stator casings 1 and the two semi-annular stator inner rings 2 are separated, specifically:
removing bolts connected with each butt joint edge 4 on the two semi-annular stator casings 1;
with two semi-ring shape stator casings 1 butt joint each other and form the stator inner ring to and with two semi-ring shape stator casings 1 butt joint each other and form the stator casing, specifically do:
two butt joint edges 4 on one semi-annular stator casing 1 correspond to two butt joint edges 4 on the other semi-annular stator casing 1 respectively and are connected through bolts, so that the two semi-annular stator casings 1 are mutually butted to form the stator casing, and the two semi-annular stator casings 1 are mutually butted to form a stator inner ring.
According to at least one embodiment of the present application, in the assembling method of the stator structure, the front end of each stator casing 1 is butted against the rear end of the front-stage installation casing 11, specifically:
connecting a front connecting edge 5 on each semi-annular stator 1 with a front-stage mounting edge of the outer wall of the rear end of a front-stage mounting casing 11 through bolts, so that the front end of each stator casing 1 is butted with the rear end of the front-stage mounting casing 11;
butt-jointing the rear end of each stator casing 1 with the front end of a rear-stage installation casing 9, specifically:
the rear connecting edge 6 of each semi-annular stator 1 is connected with the rear mounting edge of the outer wall of the front end of the rear mounting casing 9 through bolts, so that the rear end of each stator casing 1 is butted with the front end of the rear mounting casing 9
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 (9)
1. A stator structure, comprising:
the two semi-annular stator casings (1) are mutually butted to form the stator casing;
the two semi-annular stator inner rings (2) are mutually butted to form a stator inner ring; each semi-annular stator inner ring (1) is correspondingly positioned on the inner side of one semi-annular stator casing (1);
the stator structure comprises two groups of stator blades (3), wherein each group of stator blades (3) are arranged between one semi-annular stator casing (1) and a semi-annular stator inner ring (2) corresponding to the semi-annular stator casing (1) along the circumferential direction; the blade tips of all the stator blades (3) in each group of stator blades (3) are connected with the inner wall of the corresponding semi-annular stator casing (1) and are integrally formed with the corresponding semi-annular stator casing (1); the blade root of each stator blade (3) in each group of stator blades (3) is connected with the outer wall of the corresponding semi-annular stator inner ring (2) and is integrally formed with the corresponding semi-annular stator casing (1).
2. The stator structure of claim 1,
the outer wall of each semi-annular stator casing (1) is provided with two butt joint edges (4); two butt joint edges (4) on one semi-annular stator casing (1) respectively correspond to two butt joint edges (4) on the other semi-annular stator casing (1), and are connected through bolts, so that the two semi-annular stator casings (1) are in butt joint, and the two semi-annular stator inner rings (2) are in butt joint.
3. The stator structure of claim 1,
the front end outer wall of each semi-annular stator (1) is provided with a front connecting edge (5), and the rear end outer wall is provided with a rear connecting edge (6).
4. A method of processing a stator structure, comprising:
butting the two semicircular structures to form a whole circular structure;
processing each semicircular structure to correspondingly obtain:
a semi-annular stator casing (1);
the semi-annular stator inner ring (2) is positioned on the inner side of the semi-annular stator casing (1);
a plurality of stator blades (3) arranged in the circumferential direction between the semi-annular stator casing (1) and the semi-annular stator inner ring (2); the blade tip of each stator blade (3) is connected with the inner wall of the semi-annular stator casing (1) and is integrally formed with the semi-annular stator casing (1); the blade root of each group of stator blades (3) is connected with the outer wall of the semi-annular stator inner ring (2) and is integrally formed with the semi-annular stator casing (1); wherein the content of the first and second substances,
the two semi-annular stator casings (1) are mutually butted together to form the stator casing;
the two semi-annular stator inner rings (2) are mutually butted together to form a stator inner ring.
5. The stator structure manufacturing method according to claim 4,
each semicircular outer wall is provided with two butt joint edges (4); two butt joint edges (4) on one semicircular structure respectively correspond to two butt joint edges (4) on the other semicircular structure, and the two semicircular structures are butted through bolt connection;
after each semicircular structure is processed, two butt joint edges (4) on each semicircular structure are positioned on the corresponding semicircular stator casing (1).
6. The stator structure manufacturing method according to claim 4,
the front end outer wall of each semicircular structure is provided with a front connecting edge (5), and the rear end outer wall of each semicircular structure is provided with a rear connecting edge (6);
and after each semicircular structure is processed, the front connecting edge (5) on the semicircular structure is positioned on the outer wall of the front end of the corresponding semicircular stator casing (1), and the rear connecting edge (6) on the semicircular structure is positioned on the outer wall of the rear end of the corresponding semicircular stator casing (1).
7. A method of assembling a stator structure, comprising:
separating two semi-annular stator casings (1) and two semi-annular stator inner rings (2);
placing two semi-annular stator inner rings (2) between a front-stage rotor blade (7) and a rear-stage rotor blade (8), and butting the two semi-annular stator inner rings to form a stator inner ring, wherein the stator inner ring is sleeved on a rotor drum barrel (10); the two semi-annular stator casings (1) are mutually butted to form the stator casing;
and the front end of each stator casing (1) is butted with the rear end of a front-stage installation casing (11), and the rear end of each stator casing is butted with the front end of a rear-stage installation casing (9).
8. A method of assembling a stator structure according to claim 7,
the two semi-annular stator casings (1) and the two semi-annular stator inner rings (2) are separated, and the method specifically comprises the following steps:
removing bolts connected with each butt joint edge (4) on the two semi-annular stator casings (1);
the stator inner ring is formed by mutually butting two semi-annular stator casings (1), and the stator casing is formed by mutually butting two semi-annular stator casings (1), and the stator inner ring specifically comprises the following steps:
two butt joint edges (4) on one semi-annular stator casing (1) correspond to two butt joint edges (4) on the other semi-annular stator casing (1) respectively and are connected through bolts, so that the two semi-annular stator casings (1) are mutually butted to form the stator casing, and the two semi-annular stator casings (1) are mutually butted to form a stator inner ring.
9. A method of assembling a stator structure according to claim 7,
the front end of each stator casing (1) is butted with the rear end of a preceding stage installation casing (11), and the method specifically comprises the following steps:
connecting a front connecting edge (5) on each semi-annular stator (1) with a front-stage mounting edge of the outer wall of the rear end of a front-stage mounting casing (11) through bolts, so that the front end of each stator casing (1) is butted with the rear end of the front-stage mounting casing (11);
the rear end of each stator casing (1) is butted with the front end of a rear-stage installation casing (9), and the butt joint method specifically comprises the following steps:
and connecting the rear connecting edge (6) on each semi-annular stator (1) with the rear mounting edge of the outer wall of the front end of the rear mounting casing (9) through a bolt, so that the rear end of each stator casing (1) is butted with the front end of the rear mounting casing (9).
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| CN202010505422.XA CN111664123A (en) | 2020-06-05 | 2020-06-05 | Stator structure and machining and assembling method thereof |
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| CN202010505422.XA CN111664123A (en) | 2020-06-05 | 2020-06-05 | Stator structure and machining and assembling method thereof |
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Cited By (4)
| 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 |
| CN112628207A (en) * | 2020-12-15 | 2021-04-09 | 中国航发沈阳发动机研究所 | Air-entraining structure of air compressor |
| CN113565799A (en) * | 2021-08-24 | 2021-10-29 | 中国航发湖南动力机械研究所 | Detachable axial flow compressor |
| CN114909339A (en) * | 2021-02-09 | 2022-08-16 | 通用电气公司 | Stator apparatus for a gas turbine engine |
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Application publication date: 20200915 |