CN216617686U

CN216617686U - Gas turbine's seal assembly and gas turbine

Info

Publication number: CN216617686U
Application number: CN202122334582.5U
Authority: CN
Inventors: 刘鹏枝; 钟永清; 钟小章
Original assignee: Shenzhen Heli Electromechanical Co ltd
Current assignee: Shenzhen Heli Electromechanical Co ltd
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-05-27
Anticipated expiration: 2031-09-26

Abstract

The utility model discloses a sealing assembly of a gas turbine and the gas turbine, which comprises a compression assembly, an expansion shell and an air inlet shell; the expansion shell and the air inlet shell are respectively arranged at two sides of the compression component; more than one movable sealing plate is arranged on one side end face of the compression outer ring, and a first fixing column is fixed inside the movable sealing plate; a first rotating shaft is installed in the first fixing column in a penetrating manner; one end of the first fixing column is provided with more than one second rotating shaft; one end of the second rotating shaft is provided with a second sector gear meshed with the first sector gear, and the other end of the second rotating shaft is provided with threads; more than one movable sealing plate is arranged on the outer side of the fixing plate, and more than one threaded holes in opposite positions are formed in the surface of the movable sealing plate; the threaded hole is connected with the thread; the utility model arranges more than one movable sealing plate outside the fixed plate, meshes the first sector gear with the second sector gear, realizes the quick disassembly and assembly of the expansion shell and the compression outer ring by rotating the first rotating shaft, seals the position and is convenient for maintenance.

Description

Gas turbine's seal assembly and gas turbine

Technical Field

The utility model relates to the technical field of gas turbines, in particular to a sealing assembly of a gas turbine and the gas turbine.

Background

In the prior art, a compression assembly, an expansion outer side and an air inlet shell of the gas turbine are manufactured in a split mode, welding connection is adopted during assembly, and when a fuel inlet and a compressor in the gas turbine are in failure, disassembly is troublesome.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a sealing assembly of a gas turbine and the gas turbine; more than one movable sealing plate is arranged on the outer side of the fixing plate, the first sector gear is meshed with the second sector gear, and the expansion shell and the compression outer ring are quickly disassembled and assembled by rotating the first rotating shaft, are sealed with the position and are convenient to maintain.

The sealing assembly of the gas turbine and the gas turbine are realized by the following technical scheme: comprises a compression component, an expansion shell and an air inlet shell; the expansion shell and the air inlet shell are respectively arranged at two sides of the compression component; a fixing plate is arranged on the side surface of the expansion shell;

the compression assembly includes a compression outer ring; more than one movable sealing plate is arranged on one side end face of the compression outer ring, and a first fixing column is fixed inside the movable sealing plate; a first rotating shaft is installed in the first fixing column in a penetrating manner; one end of the first rotating shaft is provided with a first sector gear; one end of the first fixing column is provided with more than one second rotating shaft; one end of the second rotating shaft is provided with a second sector gear meshed with the first sector gear, and the other end of the second rotating shaft is provided with threads; more than one movable sealing plate is arranged on the outer side of the fixing plate, and more than one threaded holes in opposite positions are formed in the surface of the movable sealing plate; the threaded hole is connected with the thread.

As a preferred technical scheme, the first rotating shaft protrudes from the surfaces of two sides of the first fixing column; the outer side of the other end of the first rotating shaft is provided with a rotating hole.

As a preferred technical scheme, a first bearing is embedded at one end of a first fixing column; the first rotating shaft is fixed in the first bearing; more than one bearing plate is arranged on the outer side of one end of the first fixing column; more than one bearing plate is arranged outside the first sector gear; a second bearing is embedded in the surface of the bearing plate; the second bearing is arranged on the outer side of the second rotating shaft.

As a preferable technical scheme, more than one second fixed column and more than one fan are arranged on the outer side of the first fixed column; the other end of more than one second fixing column is connected with the compression outer ring.

Preferably, the inner surface of at least one movable sealing plate is provided with a heat insulation coating.

The utility model has the beneficial effects that:

1. more than one movable sealing plate is arranged on the outer side of the fixing plate, the first sector gear is meshed with the second sector gear, and the first rotating shaft is rotated to drive the threaded hole and the threads to move, so that the expansion shell and the compression outer ring are quickly assembled and disassembled, and are sealed with the position, and the maintenance is facilitated;

2. the rotating hole is formed in the outer side of the other end of the first rotating shaft, and a tool is inserted into the rotating hole, so that the first rotating shaft can be rotated more easily;

3. through at first fixed column one end embedded type install first bearing, set up first bearing (13) in the first pivot outside and accept the board surface embedded type and install the second bearing, set up the second bearing in the second pivot outside, increase the rotation smoothness nature of first bearing and second bearing.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a first schematic view of a gas turbine engine and a seal assembly of the gas turbine engine of the present invention;

FIG. 2 is a cross-sectional view of a gas turbine and a seal assembly of the gas turbine of the present invention;

fig. 3 is an enlarged schematic view at a.

Detailed Description

All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.

Any feature disclosed in this specification (including any accompanying claims, abstract and drawings), may be replaced by alternative features serving equivalent or similar purposes, unless expressly stated otherwise. That is, unless expressly stated otherwise, each feature is only an example of a generic series of equivalent or similar features.

In the description of the present invention, it is to be understood that the terms "one end", "the other end", "outside", "upper", "inside", "horizontal", "coaxial", "central", "end", "length", "outer end", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.

Further, in the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

The use of terms such as "upper," "above," "lower," "below," and the like in describing relative spatial positions herein is for the purpose of facilitating description to describe one element or feature's relationship to another element or feature as illustrated in the figures. The spatially relative positional terms may be intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "below" can encompass both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

In the present invention, unless otherwise explicitly specified or limited, the terms "disposed," "sleeved," "connected," "penetrating," "plugged," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

1-3, a seal assembly for a gas turbine engine and a gas turbine engine of the present invention includes a compression assembly and expansion casing 16 and an air intake casing 24; the expansion shell 16 and the air inlet shell 24 are respectively arranged at two sides of the compression assembly; the side surface of the expansion shell 16 is provided with a fixing plate 17;

the compression assembly comprises a compression outer ring 9; more than one movable sealing plate 1 is arranged on one side end face of the compression outer ring 9, and a first fixing column 5 is fixed inside the movable sealing plate; a first rotating shaft 8 is installed in the first fixing column 5 in a penetrating mode; one end of the first rotating shaft 8 is provided with a first sector gear 500; one end of the first fixing column 5 is provided with more than one second rotating shaft 23; one end of the second rotating shaft 23 is provided with a second sector gear 20 meshed with the first sector gear 500, and the other end is provided with a thread 15; more than one movable sealing plate 1 is arranged at the outer side of the fixed plate 17, and more than one threaded hole 2 with opposite positions are arranged on the surface of each movable sealing plate; the threaded hole 2 is connected with the thread 15.

In this embodiment, the first rotating shaft 8 protrudes from the two side surfaces of the first fixing column 5; the outer side of the other end of the first rotating shaft 8 is provided with a rotating hole 7.

In this embodiment, a first bearing 13 is embedded at one end of the first fixing column 5; the first rotating shaft 8 is fixed in the first bearing 13; more than one bearing plate 14 is arranged on the outer side of one end of the first fixing column 5; more than one bearing plate 14 is arranged outside the first sector gear 500; a second bearing 22 is embedded in the surface of the bearing plate 14; the second bearing 22 is disposed outside the second rotating shaft 23.

In the embodiment, more than one second fixing column 11 and more than one fan 10 are arranged on the outer side of the first fixing column 5; the other end of more than one second fixing column 11 is connected with the compression outer ring 9.

In this embodiment, the inner surface of each of the movable sealing plate 1 is provided with a thermal barrier coating, not shown, which is a technique commonly used in the art and will not be described.

The utility model has the beneficial effects that:

The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope defined by the claims.

Claims

1. A seal assembly and a gas turbine of a gas turbine, characterized by: comprises a compression assembly and an expansion housing (16) and an air intake housing (24); the expansion shell (16) and the air inlet shell (24) are respectively arranged at two sides of the compression assembly; a fixing plate (17) is arranged on the side surface of the expansion shell (16);

the compression assembly comprises a compression outer ring (9); more than one movable sealing plate (1) is arranged on one side end face of the compression outer ring (9), and a first fixing column (5) is fixed inside the movable sealing plate; a first rotating shaft (8) is installed in the first fixing column (5) in a penetrating mode; one end of the first rotating shaft (8) is provided with a first sector gear (500); one end of the first fixed column (5) is provided with more than one second rotating shaft (23); one end of the second rotating shaft (23) is provided with a second sector gear (20) meshed with the first sector gear (500), and the other end of the second rotating shaft is provided with a thread (15); the more than one movable sealing plates (1) are arranged on the outer side of the fixing plate (17), and the surfaces of the more than one movable sealing plates are provided with more than one threaded holes (2) which are opposite in position; the threaded hole (2) is connected with the thread (15).

2. The gas turbine seal assembly and gas turbine according to claim 1, wherein: the first rotating shaft (8) is protruded from the surfaces of the two sides of the first fixing column (5); and a rotating hole (7) is formed in the outer side of the other end of the first rotating shaft (8).

3. The gas turbine seal assembly and gas turbine according to claim 1, wherein: a first bearing (13) is embedded at one end of the first fixing column (5); the first rotating shaft (8) is fixed in the first bearing (13); more than one bearing plate (14) is arranged on the outer side of one end of the first fixing column (5); the more than one bearing plates (14) are respectively arranged on the outer side of the first sector gear (500); a second bearing (22) is embedded in the surface of the bearing plate (14); the second bearing (22) is arranged on the outer side of the second rotating shaft (23).

4. The gas turbine seal assembly and gas turbine according to claim 1, wherein: more than one second fixing column (11) and more than one fan (10) are arranged on the outer side of the first fixing column (5); the other end of the more than one second fixing column (11) is connected with the compression outer ring (9).

5. The gas turbine seal assembly and gas turbine according to claim 1, wherein: the inner surfaces of the more than one movable sealing plates (1) are all provided with heat insulation coatings.