CN206000576U - A kind of rotor blade damping block axial positioning structure - Google Patents
A kind of rotor blade damping block axial positioning structure Download PDFInfo
- Publication number
- CN206000576U CN206000576U CN201620618060.4U CN201620618060U CN206000576U CN 206000576 U CN206000576 U CN 206000576U CN 201620618060 U CN201620618060 U CN 201620618060U CN 206000576 U CN206000576 U CN 206000576U
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- China
- Prior art keywords
- damping block
- rotor blade
- wheel disc
- adpting flange
- positioning structure
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Abstract
The utility model discloses a kind of rotor blade damping block axial positioning structure, it is related to technical field of engines.Described rotor blade damping block axial positioning structure comprises rotor blade (1), damping block (2) and wheel disc (3)；Described rotor blade (1) is arranged on described wheel disc (3), and described wheel disc (3) is provided with adpting flange (31), and described adpting flange (31) is used for connecting drum barrel；Listrium on described rotor blade (1) forms receiving portion with the adpting flange (31) on described wheel disc (3), described damping block (2) is arranged in described accommodation section, and described adpting flange (31) can stop the motion in described wheel disc (3) axial direction for the described damping block (2).The utility model has the advantage of：Damping block is directly contacted with the adpting flange on wheel disc, adpting flange bears axial force on wheel disc for the damping block, it is to avoid wheel disc bears extra power with the connecting bolt of drum barrel, and has good damping effect.
Description
Technical field
This utility model is related to technical field of engines and in particular to a kind of rotor blade damping block axial positioning structure.
Background technology
Vibration problem is to be easiest to produced problem during fan rotor blade uses, particularly narrow string blade, and blade is elongated,
Itself poor rigidity, increasing Vibration damping block below blade listrium is a kind of method of effective suppression blade vibration.Adopt at present more
The structure increasing baffle plate with drum barrel junction used in wheel disc carries out axially position (as shown in Figure 1) to damping block, in work process
Because baffle plate one end positions damping block, by large axial force, the other end is connected with wheel disc, and this bolt can bear larger axle
To additional load and radial direction and bending load, affect connection reliability.
Utility model content
The purpose of this utility model is to provide a kind of rotor blade damping block axial positioning structure, to solve or at least to mitigate
The problem at least one in the presence of background technology.
The technical solution of the utility model is：A kind of rotor blade damping block axial positioning structure is provided, comprises rotor leaf
Piece, damping block and wheel disc；Described rotor blade is arranged on described wheel disc, and described wheel disc is provided with adpting flange, described company
Acting flange is used for connecting drum barrel；Listrium on described rotor blade forms receiving portion with the adpting flange on described wheel disc, described
Damping block is arranged in described accommodation section, and described adpting flange can stop the motion in described wheel disc axial direction for the described damping block.
Preferably, described adpting flange comprises drum barrel connecting portion and damping block stop part, described damping block stop part and institute
State drum barrel connecting portion to be integrally formed, described damping block stop part is in the axial thickness of described wheel disc certainly near the one of drum barrel connecting portion
The side being laterally away from described drum barrel connecting portion is gradually thinning.
Preferably, described damping block has the first side that a listrium with described rotor blade contacts, one and institute
State the second side of damping block stop part contact, the 3rd side with the body contact of described wheel disc；Damping block is described
Between second side and the 3rd side, the direction setting away from described first side is fluted.
Preferably, the surface of described groove is arcwall face, and the arcwall face of described groove is towards the direction of described first side
Indent.
Preferably, described damping block adopts elastomeric material injection mo(u)lding.
The utility model has the advantage of：Listrium on described rotor blade forms appearance with the adpting flange on described wheel disc
Receive portion, described damping block is arranged in described accommodation section, and described adpting flange can stop described damping block in described wheel dish axle
To motion, damping block directly contacted with the adpting flange on wheel disc, and adpting flange bears axial force on wheel disc for the damping block,
The connecting bolt avoiding wheel disc with drum barrel bears extra power.
In addition, arc groove is provided with damping block, the elasticity of damping block can be improved, be conducive to slowing down rotor blade
Vibration.
Brief description
Fig. 1 is the schematic diagram of this utility model background technology rotor blade shown damping block axial positioning structure.
Fig. 2 is the schematic diagram of the rotor blade damping block axial positioning structure of this utility model one embodiment.
Wherein, 1- rotor blade, 2- damping block, 21- groove, 3- wheel disc, 31- adpting flange, 311- drum barrel connecting portion,
312- damping block stop part, 4- drum barrel.
Specific embodiment
For making purpose, technical scheme and advantage that this utility model is implemented clearer, below in conjunction with this utility model
Accompanying drawing in embodiment, is further described in more detail to the technical scheme in this utility model embodiment.In the accompanying drawings, ad initio
To the element that same or similar label represents same or similar element or has same or like function eventually.Described reality
Applying example is a part of embodiment of this utility model, rather than whole embodiments.Embodiment below with reference to Description of Drawings
It is exemplary it is intended to be used for explaining this utility model, and it is not intended that to restriction of the present utility model.Based on this practicality
Embodiment in new, the every other reality that those of ordinary skill in the art are obtained under the premise of not making creative work
Apply example, broadly fall into the scope of this utility model protection.Below in conjunction with the accompanying drawings embodiment of the present utility model is described in detail.
In description of the present utility model it is to be understood that term " " center ", " longitudinal ", " horizontal ", "front", "rear",
The orientation of instruction such as "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outward " or position relationship are based on accompanying drawing institute
The orientation showing or position relationship, are for only for ease of description this utility model and simplify description, rather than instruction or hint indication
Device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that to this practicality
The restriction of novel protected scope.
As shown in Fig. 2 a kind of rotor blade damping block axial positioning structure, comprise rotor blade 1, damping block 2 and wheel disc
3；Rotor blade 1 is arranged on wheel disc 3, and wheel disc 3 is provided with adpting flange 31, and adpting flange 31 is used for connecting drum barrel 4.Rotor
Listrium on blade 1 forms receiving portion with the adpting flange 31 on wheel disc 3, and damping block 2 is arranged in described accommodation section, connection method
Blue 31 can stop the motion in wheel disc 3 axial direction for the damping block 2.
In the present embodiment, damping block 2 is directly contacted with the adpting flange 31 on wheel disc 3, and adpting flange 31 bears damping
Axial force on wheel disc 3 for the block 2, it is to avoid wheel disc 3 bears extra power with the connecting bolt of drum barrel 2.
In the present embodiment, adpting flange 31 comprises drum barrel connecting portion 311 and damping block stop part 312, and damping block stops
Portion 312 is integrally formed with drum barrel connecting portion 311, and damping block stop part 312 is in the certainly close drum barrel connecting portion of thickness of wheel disc 3 axial direction
The side that the one of 311 is laterally away from drum barrel connecting portion 311 is gradually thinning.Damping block stop part 312 and drum barrel connecting portion 311 one
Molding, it is more firm to connect, and saves installing space；Damping block stop part 312 connects near drum barrel in the thickness of wheel disc 3 axial direction
The side that the one of socket part 311 is laterally away from drum barrel connecting portion 311 is gradually thinning, is conducive to mitigating the weight of wheel disc 3.It is appreciated that
, in order to increase intensity and the rigidity of damping block stop part 312, can be relative with damping block 2 on damping block stop part 312
Opposite side increase reinforcement.
In the present embodiment, damping block 2 has the first side that a listrium with rotor blade 3 contacts, one and resistance
The second side of Buddhist nun's block stop part 312 contact, the 3rd side with the body contact of wheel disc 3；Damping block 2 is described second
Between side and the 3rd side, the direction away from described first side arranges fluted 21.The advantage of setting groove 21 is, can
Think that certain compression space is reserved in the vibration of damping block 2, be conducive to improving damping effect.
In the present embodiment, the surface of groove 21 is arcwall face, and the arcwall face of groove 21 is towards the side of described first side
Concave.
In the present embodiment, damping block 2 adopts elastomeric material injection mo(u)lding.Have an advantage in that, elastomeric material has preferably
Elasticity, and there is certain hardness, disclosure satisfy that the shock attenuation needs of rotor blade 1, rotor blade 1 will not be caused to damage simultaneously
Wound.
Last it is to be noted that：Above example is only in order to illustrating the technical solution of the utility model, rather than it is limited
System.Although being described in detail to this utility model with reference to the foregoing embodiments, those of ordinary skill in the art should manage
Solution：It still can be modified to the technical scheme described in foregoing embodiments, or wherein some technical characteristics are entered
Row equivalent；And these modifications or replacement, do not make the essence of appropriate technical solution depart from each embodiment of this utility model
The spirit and scope of technical scheme.
Claims (5)
1. a kind of rotor blade damping block axial positioning structure it is characterised in that：Comprise rotor blade (1), damping block (2) and wheel
Disk (3)；
Described rotor blade (1) is arranged on described wheel disc (3), and described wheel disc (3) is provided with adpting flange (31), described company
Acting flange (31) is used for connecting drum barrel；
Listrium on described rotor blade (1) forms receiving portion, described damping block with the adpting flange (31) on described wheel disc (3)
(2) it is arranged in described accommodation section, described adpting flange (31) can stop described damping block (2) in described wheel disc (3) axially
Motion.
2. rotor blade damping block axial positioning structure as claimed in claim 1 it is characterised in that：Described adpting flange (31)
Comprise drum barrel connecting portion (311) and damping block stop part (312), described damping block stop part (312) and described drum barrel connecting portion
(311) it is integrally formed, described damping block stop part (312) is in the certainly close drum barrel connecting portion (311) of thickness of described wheel disc axial direction
One be laterally away from described drum barrel connecting portion (311) side gradually thinning.
3. rotor blade damping block axial positioning structure as claimed in claim 2 it is characterised in that：Described damping block (2) tool
There is a first side that a listrium with described rotor blade (1) contacts, one is contacted with described damping block stop part (312)
Second side, the 3rd side with the body contact of described wheel disc (3)；Described damping block (2) described second side with
Between 3rd side, the direction away from described first side arranges fluted (21).
4. rotor blade damping block axial positioning structure as claimed in claim 3 it is characterised in that：The table of described groove (21)
Face is arcwall face, and the arcwall face of described groove (21) is towards the direction indent of described first side.
5. rotor blade damping block axial positioning structure as claimed in claim 4 it is characterised in that：Described damping block (2) is adopted
Use elastomeric material injection mo(u)lding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618060.4U CN206000576U (en) | 2016-06-22 | 2016-06-22 | A kind of rotor blade damping block axial positioning structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620618060.4U CN206000576U (en) | 2016-06-22 | 2016-06-22 | A kind of rotor blade damping block axial positioning structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206000576U true CN206000576U (en) | 2017-03-08 |
Family
ID=58205238
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620618060.4U Active CN206000576U (en) | 2016-06-22 | 2016-06-22 | A kind of rotor blade damping block axial positioning structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206000576U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111485954A (en) * | 2020-04-16 | 2020-08-04 | 中国航发沈阳发动机研究所 | Rotor wheel disc assembling structure and assembling method thereof |
| CN113606000A (en) * | 2021-07-28 | 2021-11-05 | 中国科学院工程热物理研究所 | Disc rotor system with vibration damping and weight reducing functions |
| CN114026311A (en) * | 2019-05-29 | 2022-02-08 | 赛峰飞机发动机公司 | Turbine assembly with damper |
-
2016
- 2016-06-22 CN CN201620618060.4U patent/CN206000576U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114026311A (en) * | 2019-05-29 | 2022-02-08 | 赛峰飞机发动机公司 | Turbine assembly with damper |
| CN114026311B (en) * | 2019-05-29 | 2024-04-02 | 赛峰飞机发动机公司 | Turbine assembly with damper |
| CN111485954A (en) * | 2020-04-16 | 2020-08-04 | 中国航发沈阳发动机研究所 | Rotor wheel disc assembling structure and assembling method thereof |
| CN111485954B (en) * | 2020-04-16 | 2022-09-30 | 中国航发沈阳发动机研究所 | Rotor wheel disc assembling structure and assembling method thereof |
| CN113606000A (en) * | 2021-07-28 | 2021-11-05 | 中国科学院工程热物理研究所 | Disc rotor system with vibration damping and weight reducing functions |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |