阅读说明：本技术 一种发动机奇数可调静子叶片静子部件装配结构及其方法 (Stator component assembling structure and method for odd adjustable stator blades of engine ) 是由 陈江华 于 2021-10-26 设计创作，主要内容包括：本申请属于发动机奇数可调静子叶片静子部件装配设计技术领域,涉及一种发动机奇数可调静子叶片静子部件装配结构,包括：静子机匣,由沿径向对接的两半构成,其上具有奇数个沿周向分布的上轴颈安装孔,其中,一个上轴颈安装孔形成在两半静子机匣的一处对接部位之间；静子内环,位于静子机匣内侧,由沿径向对接的两半构成,其上具有奇数个沿周向分布的下轴颈安装孔,其中,一个下轴颈安装孔形成在两半静子内环的一处对接部位之间；奇数个可调静子叶片,沿周向分布在静子机匣、静子内环之间；每个可调静子叶片的上轴颈对应伸入一个上轴颈安装孔中伸出,下轴颈对应插入一个下轴颈安装孔。此外,涉及一种发动机奇数可调静子叶片静子部件装配方法。(The application belongs to the technical field of stator blade stator component assembly design that the engine odd number is adjustable, relates to an engine odd number is adjustable stator blade stator component assembly structure, includes: the stator casing is formed by two halves which are butted along the radial direction, and is provided with odd number of upper journal mounting holes which are distributed along the circumferential direction, wherein one upper journal mounting hole is formed between the butting parts of one part of the two halves of the stator casing; the stator inner ring is positioned on the inner side of the stator casing, consists of two halves which are butted along the radial direction, and is provided with odd lower journal mounting holes which are distributed along the circumferential direction, wherein one lower journal mounting hole is formed between the butted parts of one of the two halves of the stator inner ring; the odd number of adjustable stator blades are distributed between the stator casing and the stator inner ring along the circumferential direction; the upper journal of each adjustable stator blade correspondingly extends into an upper journal mounting hole and extends out, and the lower journal correspondingly inserts into a lower journal mounting hole. In addition, the invention relates to an assembling method of stator components of odd adjustable stator blades of an engine.)

1. An engine odd number adjustable stator vane stator component assembly structure, comprising:

the stator casing (1) is formed by two halves which are butted along the radial direction, and is provided with odd number of upper journal mounting holes which are distributed along the circumferential direction, wherein one upper journal mounting hole is formed between the butting parts of one of the two halves of the stator casing (1);

the stator inner ring (2) is positioned on the inner side of the stator casing (1), consists of two halves which are butted along the radial direction, and is provided with odd number of lower journal mounting holes which are distributed along the circumferential direction, wherein one lower journal mounting hole is formed between the butted parts of the two halves of the stator inner ring (2);

the odd number of adjustable stator blades (3) are distributed between the stator casing (1) and the stator inner ring (2) along the circumferential direction; the upper journal of each adjustable stator blade (3) correspondingly extends into one upper journal mounting hole and extends out, and the lower journal correspondingly inserts into one lower journal mounting hole.

2. The engine odd number adjustable stator vane stator member assembling structure as recited in claim 1,

the two half stator casings (1) are provided with outer side connecting edges (4) at the butt joint positions;

the two halves of the stator casing (1) are connected through the outer side connecting edge (4) to realize butt joint.

3. The engine odd number adjustable stator vane stator member assembling structure as recited in claim 2,

the corresponding outer connecting edges (4) are connected through bolts.

4. The engine odd number adjustable stator vane stator member assembling structure as recited in claim 1,

the stator inner ring (2) is composed of two sections which are butted along the axial direction;

each lower journal mounting hole is formed between two stator inner rings (2).

5. The engine odd number adjustable stator vane stator member assembling structure as recited in claim 4,

the inner sides of the two sections of stator inner rings (2) are provided with inner side connecting edges (5);

the two sections of stator inner rings (2) are connected through the inner side connecting edge (5) to realize butt joint.

6. The engine odd number adjustable stator vane stator member assembling structure as recited in claim 1,

the inner connecting edges (5) of the two sections of stator inner rings (2) are connected through bolts.

7. A stator component assembling method for odd adjustable stator blades of an engine is characterized by comprising the following steps:

correspondingly assembling the adjustable stator blades (3) except the adjustable stator blades (3) positioned at the butt joint positions of the two half stator casings (1) and the two half stator inner rings (2) to the two half stator casings (1) and the two half stator inner rings (2) in odd number of adjustable stator blades (3);

the two half stator casings (1) and the two half stator inner rings (2) are in butt joint along the radial direction, so that upper journals of adjustable stator blades (3) at the butt joint positions of the two half stator casings (1) and the two half stator inner rings (2) are clamped in upper journal mounting holes formed at the butt joint positions of the two half stator casings (1), and lower journals of the adjustable stator blades are clamped in lower journal mounting holes formed at the butt joint positions of the two half stator inner rings (2).

Technical Field

The application belongs to the technical field of stator component assembly design of odd adjustable stator blades of an engine, and particularly relates to an odd adjustable stator blade stator component assembly structure and an odd adjustable stator blade stator component assembly method of the engine.

Background

The stator component in the engine comprises a stator casing, a stator inner ring and a plurality of adjustable mirror blades, wherein the stator casing is provided with a plurality of upper journal mounting holes distributed along the circumferential direction; the stator inner ring is positioned on the inner side of the stator casing and is provided with a plurality of lower journal mounting holes distributed along the circumferential direction; each adjustable stator blade is distributed along the circumferential direction between the stator casing and the stator inner ring; the upper journal of each adjustable stator vane correspondingly extends from one of the upper journal mounting holes and the lower journal is inserted into one of the lower journal mounting holes.

In practice, in order to facilitate the assembly of the stator component, the stator casing and the stator inner ring are designed to be composed of two halves which are butted in the radial direction, the technical scheme can be well applicable to the condition that the number of the adjustable stator blades is even, one half of the adjustable stator blades and the corresponding upper journal mounting holes and lower journal mounting holes thereof are positioned between one half of the stator casing and one half of the stator inner ring, the other half of the adjustable stator blades and the corresponding upper journal mounting holes and lower journal mounting holes thereof are positioned between the other half of the stator casing and the other half of the stator inner ring, when the number of the adjustable stator blades is odd, one adjustable stator blade always exists at the butt joint position of the two halves of the stator casing and the two halves of the stator inner ring, and the scheme is difficult to apply under the condition that the adjustable stator blades cannot be divided into two halves.

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 application.

Disclosure of Invention

The purpose of the present application is to provide an engine odd number adjustable stator vane stator component assembly structure and a method thereof, which overcomes or alleviates the technical defects of at least one known aspect.

The technical scheme of the application is as follows:

one aspect provides an engine odd number adjustable stator blade stator component assembly structure, including:

the stator casing is formed by two halves which are butted along the radial direction, and is provided with odd number of upper journal mounting holes which are distributed along the circumferential direction, wherein one upper journal mounting hole is formed between the butting parts of one part of the two halves of the stator casing;

the stator inner ring is positioned on the inner side of the stator casing, consists of two halves which are butted along the radial direction, and is provided with odd lower journal mounting holes which are distributed along the circumferential direction, wherein one lower journal mounting hole is formed between the butted parts of one of the two halves of the stator inner ring;

the odd number of adjustable stator blades are distributed between the stator casing and the stator inner ring along the circumferential direction; the upper journal of each adjustable stator blade correspondingly extends into an upper journal mounting hole and extends out, and the lower journal correspondingly inserts into a lower journal mounting hole.

According to at least one embodiment of the application, in the stator component assembling structure of the odd adjustable stator blades of the engine, the two half stator casings are provided with outer connecting edges at the butt joint part;

the two half stator casings are connected through the outer side connecting edge to realize butt joint.

According to at least one embodiment of the application, in the stator component assembling structure of the odd adjustable stator blades of the engine, the corresponding outer connecting edges are connected through bolts.

According to at least one embodiment of the application, in the stator component assembling structure of the odd adjustable stator blades of the engine, the stator inner ring is composed of two sections which are butted along the axial direction;

each lower journal mounting hole is formed between two stator inner rings.

According to at least one embodiment of the application, in the stator component assembling structure of the odd adjustable stator blades of the engine, the inner sides of the two stator inner rings are provided with inner connecting edges;

the connection between the inner rings of the two stator sections through the inner connecting edges realizes butt joint.

According to at least one embodiment of the application, in the stator component assembling structure of the odd adjustable stator blades of the engine, the inner connecting edges of the two stator inner rings are connected through bolts.

In another aspect, a stator component assembly method for an odd adjustable stator blade of an engine includes:

correspondingly assembling the odd number of adjustable stator blades to the two half stator casings and the two half stator inner rings except the adjustable stator blades positioned at the butt joint part of the two half stator casings and the two half stator inner rings;

the two half stator casings and the two half stator inner rings are in butt joint in the radial direction, so that upper journals of adjustable stator blades at the butt joint positions of the two half stator casings and the two half stator inner rings are clamped in upper journal mounting holes formed at the butt joint positions of the two half stator casings, and lower journals are clamped in lower journal mounting holes formed at the butt joint positions of the two half stator inner rings.

Drawings

FIG. 1 is a schematic view of an engine odd number adjustable stator vane stator component assembly structure provided by an embodiment of the application;

FIG. 2 is a sectional view taken along line A-A of FIG. 1;

wherein:

1-a stator case; 2-stator inner ring; 3-adjustable stator blades; 4-an outer connecting edge; 5-inner connecting edge.

For the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; further, the drawings are for illustrative purposes, and terms describing positional relationships are limited to illustrative illustrations only and are not to be construed as limiting the patent.

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 word "comprising" or "comprises", and the like, when used in this description, is intended to specify the presence of stated elements or items, but not the exclusion of 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. 1-2.

One aspect provides an engine odd number adjustable stator blade stator component assembly structure, including:

the stator casing 1 is composed of two halves which are butted along the radial direction, and is provided with odd number of upper journal mounting holes which are distributed along the circumferential direction, wherein one upper journal mounting hole is formed between the butted parts of one part of the two halves of the stator casing 1;

the stator inner ring 2 is positioned on the inner side of the stator casing 1, consists of two halves which are butted along the radial direction, and is provided with odd number of lower journal mounting holes which are distributed along the circumferential direction, wherein one lower journal mounting hole is formed between the butted parts of one part of the two halves of the stator inner ring 2;

the odd number of adjustable stator blades 3 are distributed between the stator casing 1 and the stator inner ring 2 along the circumferential direction; the upper journal of each adjustable stator blade 3 correspondingly extends into an upper journal mounting hole and extends out, and the lower journal correspondingly inserts into a lower journal mounting hole.

For the stator component assembling structure of the odd adjustable stator blades of the engine disclosed in the above embodiments, it can be understood by those skilled in the art that an upper journal mounting hole is formed between the butt joint portions of the two half stator casings 1, and a lower journal mounting hole is formed between the butt joint portions of the two half stator inner rings 2, so as to mount the upper journal and the lower journal of the adjustable stator blade 3 at the butt joint portion among the odd adjustable stator blades 3, and when assembling, the following steps can be referred to:

correspondingly assembling the odd number of adjustable stator blades 3 to the two half stator casings 1 and the two half stator inner rings 2 except the adjustable stator blades 3 positioned at the butt joint parts of the two half stator casings 1 and the two half stator inner rings 2;

the two half stator casings 1 and the two half stator inner rings 2 are in butt joint in the radial direction, so that upper journals of adjustable stator blades 3 at the butt joint positions of the two half stator casings 1 and the two half stator inner rings 2 are clamped in upper journal mounting holes formed at the butt joint positions of the two half stator casings 1, and lower journals are clamped in lower journal mounting holes formed at the butt joint positions of the two half stator inner rings 2.

In some alternative embodiments, in the above-described stator component assembly structure of the odd number adjustable stator blades of the engine, the two stator casing halves 1 have the outer connecting edges 4 at the butt joint portions;

the two half stator casings 1 are connected through the outer side connecting edge 4 to realize butt joint.

In some alternative embodiments, in the above-mentioned stator component assembly structure of the odd adjustable stator blades of the engine, the corresponding outer connecting edges 4 are connected by bolts.

In some alternative embodiments, in the stator component assembling structure of the odd number adjustable stator blades of the engine, the stator inner ring 2 is composed of two sections which are butted along the axial direction;

each lower journal mounting hole is formed between two sections of the stator inner ring 2.

For the stator component assembling structure of the stator blade with adjustable odd number of the engine disclosed in the above embodiment, it can be understood by those skilled in the art that on the basis of designing the stator inner ring 2 to be composed of two halves butted in the radial direction, the stator inner ring 2 is further designed to be composed of two sections butted in the axial direction, that is, the two halves symmetrical to the left and right of the stator inner ring 2 are respectively composed of two sections butted in front and back, so that the stator component can be conveniently assembled integrally.

In some alternative embodiments, in the stator component assembling structure of the odd adjustable stator blades of the engine, the inner sides of the two stator inner rings 2 are provided with inner connecting edges 5;

the two sections of stator inner rings 2 are connected through the inner side connecting edges 5 to realize butt joint, so that the two sections of stator inner rings 2 can be reliably connected from the inner side, the connection is convenient and quick, the main structure cannot be damaged, and the rigidity of the main structure is ensured.

In some alternative embodiments, in the above-mentioned stator component assembling structure of the odd number adjustable stator blades of the engine, the inner connecting edges 5 of the two stator inner rings 2 are connected by bolts.

In another aspect, a stator component assembly method for an odd adjustable stator blade of an engine includes:

correspondingly assembling the odd number of adjustable stator blades 3 to the two half stator casings 1 and the two half stator inner rings 2 except the adjustable stator blades 3 positioned at the butt joint parts of the two half stator casings 1 and the two half stator inner rings 2;

the two half stator casings 1 and the two half stator inner rings 2 are in butt joint in the radial direction, so that upper journals of adjustable stator blades 3 at the butt joint positions of the two half stator casings 1 and the two half stator inner rings 2 are clamped in upper journal mounting holes formed at the butt joint positions of the two half stator casings 1, and lower journals are clamped in lower journal mounting holes formed at the butt joint positions of the two half stator inner rings 2.

For the method for assembling the stator component of the stator blade with the odd number of the adjustable engine disclosed in the embodiment, the assembling of the stator component of the stator blade with the odd number of the adjustable engine disclosed in the embodiment is realized, the description is simple, specific relevant parts can be described only by referring to the description of relevant parts of the assembling structure of the stator component with the odd number of the adjustable engine stator blade, the technical effect can also be referred to the technical effect of relevant parts of the assembling structure of the stator component with the odd number of the adjustable engine stator blade, and the description is omitted here.

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.