Sealing ring structure of gas turbine
By designing the slot and combining reinforcement ring in the gas turbine seal ring structure, the problem of insufficient strength of the seal ring structure in the prior art is solved, and higher strength and sealing effect are achieved.
Patent Information
- Application Number
- CN202422014568.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-08-20
- Publication Date
- 2025-05-02
- Estimated Expiration
- 2034-08-20
AI Technical Summary
The existing gas turbine seal ring structure is made of expandable material, with soft texture, low strength, and prone to tension.
A gas turbine sealing ring structure is designed, including a sealing ring main body, a slot, a combined reinforcement ring and a top cover. The combined reinforcement ring consists of two semicircular structures. When installing, the sealing ring body can be first put on the gas turbine, and then the combined reinforcement ring is assembled and clamped into the clamping groove to support the sealing ring body to increase the strength.
By setting a slot and a combined reinforcement ring on the sealing ring body, the strength of the structure is increased, the situation of tension is avoided, and the sealing effect is achieved.
Smart Images
Figure CN222823320U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of gas turbine sealing, in particular to a gas turbine sealing ring structure. Background Art
[0002] When the gas turbine is working, the interior is in a high temperature state, and the high-temperature and high-pressure gas is easy to leak. In order to ensure that the high-temperature and high-pressure gas does not leak, a sealing ring structure is usually set for sealing.
[0003] At present, some sealing ring structures on gas turbines are made of expandable materials as a whole, which are soft in texture, low in strength, and prone to breaking. Utility Model Content
[0004] The utility model aims to provide a gas turbine sealing ring structure to solve the problems raised in the above background technology.
[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a gas turbine sealing ring structure, including a sealing ring body, a slot is provided at the upper end of the sealing ring body, a combined reinforcement ring is clamped inside the slot, and the combined reinforcement ring is composed of two semicircular structures. The upper end of the sealing ring body is covered with a top cover, and the lower end of the top cover and the upper end of the combined reinforcement ring are abutted against each other.
[0006] Preferably, the top cover is annular in structure and is located on the same center line as the sealing ring body, the inner diameter of the top cover is smaller than the inner diameter of the sealing ring body, and the outer diameter of the top cover is larger than the outer diameter of the sealing ring body.
[0007] Preferably, an inner ring is fixedly connected to the inner side of the lower end of the top cover, and the inner ring is inserted into the inner side of the sealing ring body. An outer ring is fixedly connected to the outer side of the lower end of the top cover, and the outer ring is sleeved on the outer side of the sealing ring body.
[0008] Preferably, the lower ends of the inner ring and the outer ring are flush with the lower end of the sealing ring body, a first clamping ring is sleeved and fixedly connected to the outer side of the lower end of the inner ring, and a second clamping ring is fixedly connected to the inner side of the lower end of the outer ring, and the first clamping ring and the second clamping ring are both clamped to the lower end of the sealing ring body.
[0009] Preferably, the slot is annular in structure and the sealing ring body is located on the same center line, and the circumferential inner and outer walls of the combined reinforcement ring both abut against the inner wall of the slot.
[0010] Compared with the prior art, the beneficial effect of the utility model is as follows: the utility model provides a card slot on the sealing ring body, and provides a combined reinforcement ring in the card slot. The combined reinforcement ring is assembled from two arc-shaped structures. When installing, the sealing ring body can be firstly put on the gas turbine, and then the combined reinforcement ring can be assembled and connected in the card slot to support the sealing ring body. While sealing, the strength of the utility model is increased to ensure that the utility model is not easily broken. BRIEF DESCRIPTION OF THE DRAWINGS
[0011] Figure 1 This is a schematic diagram of the assembly structure of the utility model;
[0012] Figure 2 It is a front cutaway view of the utility model;
[0013] Figure 3 It is a top view cutaway diagram of the utility model;
[0014] Figure 4 It is a schematic diagram of the external structure of the utility model.
[0015] In the figure: 1. Sealing ring body; 2. Clamping groove; 3. Combined reinforcement ring; 4. Top cover; 5. Inner ring; 6. First clamping ring; 7. Outer ring; 8. Second clamping ring. DETAILED DESCRIPTION
[0016] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0017] See also Figure 1-4 The utility model provides a technical solution: a gas turbine sealing ring structure, including a sealing ring body 1, a card slot 2 is opened at the upper end of the sealing ring body 1, a combined reinforcement ring 3 is clamped inside the card slot 2, and the combined reinforcement ring 3 is composed of two semicircular structures. The upper end of the sealing ring body 1 is covered with a top cover 4, and the lower end of the top cover 4 and the upper end of the combined reinforcement ring 3 are against each other.
[0018] The top cover 4 is annular in structure and is located on the same center line as the sealing ring body 1. The inner diameter of the top cover 4 is smaller than the inner diameter of the sealing ring body 1, and the outer diameter of the top cover 4 is larger than the outer diameter of the sealing ring body 1. The inner side of the lower end of the top cover 4 is fixedly connected with an inner ring 5, and the inner ring 5 is plugged into the inner side of the sealing ring body 1. The outer side of the lower end of the top cover 4 is fixedly connected with an outer ring 7, and the outer ring 7 is sleeved on the outer side of the sealing ring body 1. The lower ends of the inner ring 5 and the outer ring 7 are both flush with the lower end of the sealing ring body 1. A first clamping ring 6 is sleeved and fixedly connected to the outer side of the lower end of the inner ring 5, and a second clamping ring 8 is fixedly connected to the inner side of the lower end of the outer ring 7. The first clamping ring 6 and the second clamping ring 8 are both clamped on the lower end of the sealing ring body 1, so that the top cover 4 can be conveniently fixed to the upper end of the sealing ring body 1. The clamping groove 2 has an annular structure and the sealing ring body 1 is located on the same center line. The circumferential inner and outer walls of the combined reinforcement ring 3 are both against the inner wall of the clamping groove 2, so that the assembled combined reinforcement ring 3 can be conveniently clamped in the clamping groove 2.
[0019] Specifically, during installation, the sealing ring body 1 is put on the gas turbine, and the components of the combined reinforcement ring 3 are inserted into the grooves 2 on the sealing ring body 1 one by one, and spliced together to form an annular structure, supporting the sealing ring body 1, the inner ring 5 is inserted on the inner side of the sealing ring body 1, the outer ring 7 is put on the outer side of the sealing ring body 1, and the first clamping ring 6 on the inner ring 5 and the second clamping ring 8 on the outer ring 7 are put on the lower end of the sealing ring body 1, the top cover 4 is fixed to the upper end of the sealing ring body 1, and the combined reinforcement ring 3 is fixed in the groove 2. When in use, the sealing ring body 1 will expand due to heat and will rest on the combined reinforcement ring 3 to seal the surrounding gaps to achieve a sealing effect.
[0020] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A gas turbine sealing ring structure, characterized in that: The invention comprises a sealing ring body (1), wherein a slot (2) is provided at the upper end of the sealing ring body (1), a combined reinforcement ring (3) is clamped inside the slot (2), and the combined reinforcement ring (3) is composed of two semicircular structures. The upper end of the sealing ring body (1) is covered with a top cover (4), and the lower end of the top cover (4) abuts against the upper end of the combined reinforcement ring (3).
2. A gas turbine sealing ring structure according to claim 1, characterized in that: The top cover (4) is annular in structure and is located on the same center line as the sealing ring body (1); the inner diameter of the top cover (4) is smaller than the inner diameter of the sealing ring body (1), and the outer diameter of the top cover (4) is larger than the outer diameter of the sealing ring body (1).
3. A gas turbine sealing ring structure according to claim 1, characterized in that: An inner ring (5) is fixedly connected to the inner side of the lower end of the top cover (4), and the inner ring (5) is inserted into the inner side of the sealing ring body (1). An outer ring (7) is fixedly connected to the outer side of the lower end of the top cover (4), and the outer ring (7) is sleeved on the outer side of the sealing ring body (1).
4. A gas turbine sealing ring structure according to claim 3, characterized in that: The lower ends of the inner ring (5) and the outer ring (7) are both flush with the lower end of the sealing ring body (1); a first clamping ring (6) is sleeved and fixedly connected to the outer side of the lower end of the inner ring (5); a second clamping ring (8) is fixedly connected to the inner side of the lower end of the outer ring (7); and the first clamping ring (6) and the second clamping ring (8) are both clamped to the lower end of the sealing ring body (1).
5. The gas turbine sealing ring structure according to claim 1, characterized in that: The clamping groove (2) is an annular structure and is located on the same center line as the sealing ring body (1); the circumferential inner and outer walls of the combined reinforcement ring (3) both abut against the inner wall of the clamping groove (2).