CN109630465A - A kind of fan gasket - Google Patents
A kind of fan gasket Download PDFInfo
- Publication number
- CN109630465A CN109630465A CN201811538080.0A CN201811538080A CN109630465A CN 109630465 A CN109630465 A CN 109630465A CN 201811538080 A CN201811538080 A CN 201811538080A CN 109630465 A CN109630465 A CN 109630465A
- Authority
- CN
- China
- Prior art keywords
- fan
- metallic matrix
- cushion block
- rubber pad
- rubber
- 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
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
- F04D29/26—Rotors specially for elastic fluids
- F04D29/32—Rotors specially for elastic fluids for axial flow pumps
- F04D29/34—Blade mountings
-
- 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
- F04D29/002—Details, component parts, or accessories especially adapted for elastic fluid pumps
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 aero-engine field of structural design, in particular to a kind of fan gasket, it include: metallic matrix, the middle part of the metallic matrix is engraved structure, supporting block is provided between the metallic matrix and the fan wheel disc tongue-and-groove inner wall, the opposite both ends of the metallic matrix are arranged in the supporting block；Rubber pad, the rubber pad wrap up the engraved structure part of the metallic matrix.The fan gasket, under the premise of ensure that the strength and stiffness of fan cushion block, in the middle part of engraved structure, alleviate the weight of fan cushion block, the increased rubber floating-point of metallic matrix and middle part of its both ends setting, further enhances the damping property of fan cushion block.
Description
Technical field
The application belongs to aero-engine field of structural design, in particular to a kind of fan gasket.
Background technique
Fan cushion block is a kind of part being widely used in aero-engine, fan blade bottom is mounted on, for adjusting
The gap rectified the incorrect style of work between fan leaf tenon and fan wheel disc tongue-and-groove, the windup-degree of fan blade is bigger, interferes in assembly
Possibility is bigger, therefore just needs fan blade that can move down in wheel disc chase mortise in assembly, to avoid interference position
It sets, is being raised to theoretical position after assembly in place.Fan cushion block is installed to fan blade bottom at this time, realizes fan blade
Radial position fix.
In the prior art, fan cushion block is mostly that metal surface applies silicon rubber or cold-adhered adhesive tape composition.But work as fan blade
When gap is excessive between wheel disc chase mortise, the thickness of fan cushion block is also just significantly increased, and brings more imposts at this time, right
Engine brings adverse effect.
Thus, it is desirable to have a kind of technical solution overcomes or at least mitigates at least one drawbacks described above of the prior art.
Summary of the invention
The purpose of the application is to provide a kind of fan cushion block, with solve or at least mitigate the prior art at least one is above-mentioned
Defect.
The technical solution of the application is:
A kind of fan cushion block is mounted in the gap between fan blade tenon and fan wheel disc tongue-and-groove inner wall, the wind
Fanning cushion block includes:
Metallic matrix, the middle part of the metallic matrix are engraved structure, the metallic matrix and the fan wheel disc tongue-and-groove
Supporting block is provided between inner wall, the opposite both ends of the metallic matrix are arranged in the supporting block；
Rubber pad, the rubber pad wrap up the engraved structure part of the metallic matrix.
According at least one embodiment of the application, the structure type of the engraved structure includes whole hollow out, does not connect
Continuous circular hole or Shi Zijiaochaliangshi structure.
According at least one embodiment of the application, on the face of the rubber pad contacted with the fan blade tenon
It is provided with the rubber floating-point of entity.
According at least one embodiment of the application, the rubber pad and the metallic matrix are formed using integrated vulcanizing
Connection.
According at least one embodiment of the application, minimum length >=2mm of the middle section of the metallic matrix.
According at least one embodiment of the application, the material of the rubber pad is fourth nitrile rubber or polyurethanes rubber
Glue, and hardness >=80HB of the rubber pad.
According at least one embodiment of the application, the supporting block is at least provided with two.
At least there are following advantageous effects in the application:
Fan gasket provided by the present application, under the premise of ensure that the strength and stiffness of fan cushion block, in the middle part of engrave
Hollow structure, alleviates the weight of fan cushion block, the increased rubber floating-point of metallic matrix and middle part of both ends setting, further
Enhance the damping property of fan cushion block.
Detailed description of the invention
Fig. 1 is the schematic diagram of metallic matrix provided by the present application；
Fig. 2 is the plan structure schematic diagram of fan cushion block provided by the present application；
The engraved structure and the schematic cross-section after rubber pad casting that Fig. 3 is metallic matrix provided by the present application；
Fig. 4 is the effect picture of fan cushion block provided by the present application in practical applications.
Wherein:
1- rubber pad, 2- metallic matrix, 3- rubber floating-point, 4- supporting block.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application implementation clearer, below in conjunction in the embodiment of the present application
Attached drawing, technical solutions in the embodiments of the present application is further described in more detail.In the accompanying drawings, identical from beginning to end or class
As label indicate same or similar element or element with the same or similar functions.Described embodiment is the application
A part of the embodiment, instead of all the embodiments.The embodiments described below with reference to the accompanying drawings are exemplary, it is intended to use
In explanation the application, and it should not be understood as the limitation to the application.Based on the embodiment in the application, ordinary skill people
Member's every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.Under
Face is described in detail embodiments herein in conjunction with attached drawing.
In the description of the present application, it is to be understood that term " center ", " longitudinal direction ", " transverse direction ", "front", "rear",
The orientation or positional relationship of the instructions such as "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is based on attached drawing institute
The orientation or positional relationship shown is merely for convenience of description the application and simplifies description, rather than the dress of indication or suggestion meaning
It sets or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as protecting the application
The limitation of range.
1 to Fig. 3 the application is described in further details with reference to the accompanying drawing.
Fan cushion block provided by the present application is mounted on the gap between fan blade tenon and fan wheel disc tongue-and-groove inner wall
In, the fan cushion block includes:
As shown in Figure 1, metallic matrix 2, the middle part of the metallic matrix 2 is engraved structure, the metallic matrix 2 with it is described
Supporting block 4 is provided between fan wheel disc tongue-and-groove inner wall, the opposite both ends of the metallic matrix 2 are arranged in the supporting block 4；
Rubber pad 1, the rubber pad 1 wrap up the engraved structure part of the metallic matrix 2.
In the present embodiment, as shown in Figure 1, the lower end of metallic matrix 2 is provided with supporting block, supporting block is at least provided with two
A, can support the metallic matrix 2 in the present embodiment, the supporting block of setting is mounted on the tongue-and-groove of the fan wheel disc,
To fixed effect.
In the present embodiment, shortest length >=2mm of the middle section of the metallic matrix 2, i.e., it is as shown in Figure 1 in engrave
The thickness of hollow structure part wants >=2mm, guarantees its intensity and enough hardness, hardness >=80HB of rubber pad 1.The material of its rubber
Matter can have preferable damping effect, and the material of the rubber pad 1 can use fourth nitrile rubber or polyurethanes rubber, be
Reach preferable performance, it is to be understood that can also use some other materials for meeting performance.
In some alternative embodiments, the structure type of the engraved structure includes whole hollow out, discontinuous circle
Hole or Shi Zijiaochaliangshi structure, in this embodiment, as shown in Figure 1, being offered multiple using venetian blind type hollow out
Strip-shaped hole side by side, the structure of hollow out can effectively mitigate the quality of fan cushion block entirety.
In some alternative embodiments, as shown in Fig. 2, the rubber pad 1 is contacted with the fan blade tenon
Face on be provided with the rubber floating-point 3 of entity, in this embodiment, the rubber floating-point 3 of setting can further enhance fan
The damping property of gasket.
According in above embodiments, as shown in figure 4, fan gasket is installed, can be opened on the metallic matrix 2
Installation and fastening if top wire hole, for fan gasket.Metallic matrix 2 can be installed in the fan wheel disc tongue-and-groove, so
The part of rubber material or non-metallic material confrontation engraved structure is poured afterwards, using integrated vulcanizing forming technique, is realized non-
Metal layer is reliable bonding with metallic matrix 2, as shown in figure 3, the performance of its vibration damping is not only realized by casting, it can be with root
Factually the case where border, increases its thickness, so that the fan cushion block of the application has more applicability.
At least there are following advantageous effects in the application:
Fan gasket provided by the present application, under the premise of ensure that the strength and stiffness of fan cushion block, in the middle part of engrave
Hollow structure, alleviates the weight of fan cushion block, the increased rubber floating-point of metallic matrix and middle part of both ends setting, further
Enhance the damping property of fan cushion block.
The above, the only specific embodiment of the application, but the protection scope of the application is not limited thereto, it is any
Within the technical scope of the present application, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
Cover within the scope of protection of this application.Therefore, the protection scope of the application should be with the scope of protection of the claims
It is quasi-.
Claims (7)
1. a kind of fan cushion block is mounted in the gap between fan blade tenon and fan wheel disc tongue-and-groove inner wall, feature exists
In the fan cushion block includes:
Metallic matrix (2), the middle part of the metallic matrix (2) are engraved structure, the metallic matrix (2) and the fan wheel disc
It is provided between tongue-and-groove inner wall supporting block (4), the both ends opposite in the metallic matrix (2) are arranged in the supporting block (4)；
Rubber pad (1), the rubber pad (1) wrap up the engraved structure part of the metallic matrix (2).
2. fan cushion block according to claim 1, which is characterized in that the structure type of the engraved structure includes whole engrave
Empty, discontinuous circular hole or Shi Zijiaochaliangshi structure.
3. fan cushion block according to claim 1, which is characterized in that the rubber pad (1) with the fan blade tenon
The rubber floating-point (3) of entity is provided on the face of head contact.
4. fan cushion block according to claim 1, which is characterized in that the rubber pad (1) is adopted with the metallic matrix (2)
It is formed and is connected with integrated vulcanizing.
5. fan cushion block according to claim 1, which is characterized in that the minimum of the middle section of the metallic matrix (2)
Length >=2mm.
6. fan cushion block according to claim 1, which is characterized in that the material of the rubber pad (1) is fourth nitrile rubber
Or polyurethanes rubber, and hardness >=80HB of the rubber pad (1).
7. fan cushion block according to claim 1, which is characterized in that the supporting block is at least provided with two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811538080.0A CN109630465A (en) | 2018-12-16 | 2018-12-16 | A kind of fan gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811538080.0A CN109630465A (en) | 2018-12-16 | 2018-12-16 | A kind of fan gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109630465A true CN109630465A (en) | 2019-04-16 |
Family
ID=66074434
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811538080.0A Pending CN109630465A (en) | 2018-12-16 | 2018-12-16 | A kind of fan gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109630465A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19757188A1 (en) * | 1997-12-22 | 1999-06-24 | Asea Brown Boveri | Single-stage axial turbine blade fixing device |
| US20050254951A1 (en) * | 2002-06-27 | 2005-11-17 | Anne Thenaisie | Restraining device for fan blade root |
| US20060165530A1 (en) * | 2005-01-27 | 2006-07-27 | Snecma | Device for the positioning of a blade and bladed disk comprising such a device |
| CN101397918A (en) * | 2007-09-25 | 2009-04-01 | 斯奈克玛 | Shim for a blade of a turbomachine |
| CN102414397A (en) * | 2009-04-29 | 2012-04-11 | 斯奈克玛 | Strengthened fan-blade block |
| US20120263595A1 (en) * | 2011-04-14 | 2012-10-18 | Rolls-Royce Plc | Annulus filler system |
| CN103062267A (en) * | 2011-10-19 | 2013-04-24 | 海信（北京）电器有限公司 | Shock absorption rubber mat for refrigerator and refrigerator provided with the same |
| EP2395200A3 (en) * | 2010-06-11 | 2015-01-21 | United Technologies Corporation | Gas turbine engine blade mounting arrangement |
| US20150192144A1 (en) * | 2014-01-08 | 2015-07-09 | United Technologies Corporation | Fan Assembly With Fan Blade Under-Root Spacer |
| CN105849420A (en) * | 2013-11-29 | 2016-08-10 | 斯奈克玛 | Fan, in particular for a turbine engine |
-
2018
- 2018-12-16 CN CN201811538080.0A patent/CN109630465A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19757188A1 (en) * | 1997-12-22 | 1999-06-24 | Asea Brown Boveri | Single-stage axial turbine blade fixing device |
| US20050254951A1 (en) * | 2002-06-27 | 2005-11-17 | Anne Thenaisie | Restraining device for fan blade root |
| US20060165530A1 (en) * | 2005-01-27 | 2006-07-27 | Snecma | Device for the positioning of a blade and bladed disk comprising such a device |
| CN101397918A (en) * | 2007-09-25 | 2009-04-01 | 斯奈克玛 | Shim for a blade of a turbomachine |
| CN102414397A (en) * | 2009-04-29 | 2012-04-11 | 斯奈克玛 | Strengthened fan-blade block |
| EP2395200A3 (en) * | 2010-06-11 | 2015-01-21 | United Technologies Corporation | Gas turbine engine blade mounting arrangement |
| US20120263595A1 (en) * | 2011-04-14 | 2012-10-18 | Rolls-Royce Plc | Annulus filler system |
| CN103062267A (en) * | 2011-10-19 | 2013-04-24 | 海信（北京）电器有限公司 | Shock absorption rubber mat for refrigerator and refrigerator provided with the same |
| CN105849420A (en) * | 2013-11-29 | 2016-08-10 | 斯奈克玛 | Fan, in particular for a turbine engine |
| US20150192144A1 (en) * | 2014-01-08 | 2015-07-09 | United Technologies Corporation | Fan Assembly With Fan Blade Under-Root Spacer |
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|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20190416 |