CN207907283U - The connection structure of combustion box and burner inner liner - Google Patents
The connection structure of combustion box and burner inner liner Download PDFInfo
- Publication number
- CN207907283U CN207907283U CN201721855040.XU CN201721855040U CN207907283U CN 207907283 U CN207907283 U CN 207907283U CN 201721855040 U CN201721855040 U CN 201721855040U CN 207907283 U CN207907283 U CN 207907283U
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- inner liner
- burner inner
- combustion box
- connecting component
- bushing
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Abstract
The utility model discloses the connection structures of a kind of combustion box and burner inner liner, including the connecting component being fixedly arranged on combustion box for connecting combustion box and burner inner liner, bushing corresponding with connecting component is installed on burner inner liner, connecting component is contacted through the mounting hole on combustion box with bushing line.In the connection structure of the combustion box and burner inner liner, the bushing line being fixedly arranged in the connecting component and burner inner liner on combustion box connects, and is bonded because of high temperature after preventing engine use, causes dismounting difficult；Meanwhile, it is capable to ensure combustion box and burner inner liner to neutrality, so that connection between the two is more stablized；The peep hole checked burner inner liner inside when in addition, the mounting hole of connecting component can be as outfield regular inspection on combustion box, monitors the failure of burner inner liner.
Description
Technical field
The utility model is related to aero-engine technology fields, particularly, are related to a kind of combustion box and burner inner liner
Connection structure.
Background technology
Currently, engine upper combustion chamber casing is generally connect by shield assembly with burner inner liner, burner inner liner and shield assembly
It is connected by 20 self-locking nuts, combustion box is connect with shield assembly by 6 screws.In above-mentioned connection type, screw
Other parts are easy to fall off and are injured after falling off, in addition, screw is easy to generate bonding phenomenon due to high temperature.
Invention content
The utility model provides a kind of connection structure of combustion box and burner inner liner, to solve to be used in the prior art
The internal screw of connection combustion box and burner inner liner is easy to fall off the technical problem for injuring other parts and the easy bonding of high temperature.
The technical solution adopted in the utility model is as follows：
A kind of connection structure of combustion box and burner inner liner, including be fixedly arranged on combustion box for connecting combustion chamber
The connecting component of casing and burner inner liner is installed with bushing corresponding with connecting component on burner inner liner, and connecting component is through combustion chamber machine
Mounting hole on casket is contacted with bushing line.
Further, the position contacted with bushing in connecting component is arc and tangent with the inner wall of bushing.
Further, bushing includes neck bush and external bushing, and external bushing is fixedly arranged on burner inner liner, neck bush and external bushing card
It connects；Connecting component is contacted with neck bush line.
Further, neck bush is placed in external bushing and fixation of closing up.
Further, combustion box is equipped with installing component, and connecting component is fixed on by screw on installing component.
Further, connecting component is equipped with coating with bushing in the contact site of the two.
Further, in connecting component with the contact site of bushing nitriding layer is formed through Nitrizing Treatment.
Further, the material of connecting component is steel alloy.
Further, combustion box is separately connected fixation with burner inner liner by multiple connecting components, and connecting component is uniformly distributed
In on combustion box.
The utility model has the advantages that：
In the connection structure of combustion box and burner inner liner provided by the utility model, the company that is fixedly arranged on combustion box
Relay part is connected with the bushing line on burner inner liner, is bonded because of high temperature after preventing engine use, causes dismounting difficult；Together
When, can ensure combustion box and burner inner liner to neutrality, so that connection between the two is more stablized；In addition, combustion chamber machine
The peep hole checked burner inner liner inside when the mounting hole of connecting component can be as outfield regular inspection on casket monitors burner inner liner
Failure.
Other than objects, features and advantages described above, the utility model also has other purposes, feature and excellent
Point.Below with reference to accompanying drawings, the utility model is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide a further understanding of the present invention, the utility model
Illustrative embodiments and their description are not constituted improper limits to the present invention for explaining the utility model.In attached drawing
In：
Fig. 1 is the combustion box of the preferred embodiment in the utility model and the attachment structure schematic diagram of burner inner liner.
Reference sign：
1, combustion box；2, burner inner liner；3, connecting component；4, neck bush；5, external bushing；6, installing component；7, screw；
8, gasket.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The utility model will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to Fig.1, the preferred embodiment of the utility model provides a kind of connection structure of combustion box and burner inner liner,
It is fixed on burner inner liner 2 including the connecting component 3 being fixedly arranged on combustion box 1 for connecting combustion box 1 and burner inner liner 2
There are bushing corresponding with connecting component 3, connecting component 3 to be contacted with bushing line through the mounting hole on combustion box 1.Above-mentioned connection
Component 3 is fixedly arranged on combustion box 1, is conducive to ensure combustion box 1 with burner inner liner 2 to neutrality.Above-mentioned connecting component 3 with
Bushing small―gap suture by the way of line contact coordinates, and is on the one hand conducive to installation burner inner liner 2, and ensure pair of burner inner liner 2 and casing
On the other hand neutrality prevents from dismantling difficulty because of high temperature bond.Connecting component 3 is fixed pin in the present embodiment.
In the connection structure of above-mentioned combustion box and burner inner liner, the connecting component 3 and fire that are fixedly arranged on combustion box 1
Bushing line on flame cylinder 2 connects, and is bonded because of high temperature after preventing engine use, causes dismounting difficult；Meanwhile, it is capable to protect
Combustion box 1 is demonstrate,proved with burner inner liner 2 to neutrality, connection between the two is made more to stablize；In addition, connecting on combustion box 1
To the peep hole checked inside burner inner liner 2 when the hole that relay part 3 passes through can be as outfield regular inspection, burner inner liner 2 is monitored
Failure.
Preferably, the position contacted with bushing in connecting component 3 is arc and tangent with the inner wall of bushing.Above-mentioned interconnecting piece
The position contacted with bushing on part 3 is arc-shaped, tangent with bushing inner wall, ensures to contact for line between connecting component 3 and bushing, with
Conducive to installation, centering and prevents high temperature bond and be difficult to dismantle.In the present embodiment, the lower part of connecting component 3 is to be arc-shaped
Spherical surface, it is tangent with bushing inner wall.Before mounting and connection parts 3 or after dismounting, connecting component 3 is on combustion box 1
Mounting hole when can be used for outfield regular inspection to the peep hole checked inside burner inner liner 2, monitor 2 failure of burner inner liner.
Preferably, bushing includes neck bush 4 and external bushing 5, and external bushing 5 is fixedly arranged on burner inner liner 2, neck bush 4 and outer lining
5 clamping of set；Connecting component 3 is contacted with 4 line of neck bush.In the present embodiment, external bushing 5 is preferably welded on burner inner liner 2.In above-mentioned
On the one hand the combination of bushing 4 and external bushing 5 can be such that bushing locations fix, ensure the centering of burner inner liner 2 and combustion box 1,
On the other hand ensure that connecting component 3 connects mode with line of the bushing in structure, to avoid high temperature bond.In addition, being
Ensure to install between combustion box 1 and burner inner liner 2 to neutrality, after external bushing 5 is welded on burner inner liner 2, it is desirable that right
The endoporus of neck bush 4 is corrected.
Preferably, neck bush 4 is placed in external bushing 5 and fixation of closing up.The preferred company of above-mentioned neck bush 4 and external bushing 5
The mode of connecing keeps two bushings convenient for disassembly and assembly, can correct the structure of neck bush 4 at any time so that it preferably matches with connecting component 3
It closes.
Preferably, combustion box 1 is equipped with installing component 6, and connecting component 3 is fixed on installing component 6 by screw 7
On.Above-mentioned connecting component 3 is fixed on by screw 7 on installing component 6, to keep it opposite with the position of combustion box 1 solid
It is fixed, in order to the installation and centering of burner inner liner 2.In the present embodiment, gasket 8 is equipped between connecting component 3 and installing component 6,
So that connection is more stablized and will not wear.
Preferably, connecting component 3 is equipped with coating with bushing in the contact site of the two.Above-mentioned connecting component 3 and bushing
It is upper to be equipped with coating in contact site respectively, it can further prevent engine from using rear high temperature bond, so that engine makes
Dismounting after.
Preferably, in connecting component 3 with the contact site of bushing nitriding layer is formed through Nitrizing Treatment.Above-mentioned connecting component 3
Nitrizing Treatment is carried out in contact site, is conducive to the hardness for improving connecting component 3, allows it to bear when engine uses
High temperature.
Preferably, the material of connecting component 3 is steel alloy.Above-mentioned connecting component 3 uses the material of steel alloy, and non-existing
High temperature alloy material in technology, reduces the cost of material, and combustion box 1 and burner inner liner 2 equally may be implemented
Connection, and will not be bonded when high temperature.
Preferably, combustion box 1 is separately connected fixation with burner inner liner 2 by multiple connecting components 3, and connecting component 3 is equal
It is distributed on combustion box 1.Above-mentioned combustion box 1 is fixed with burner inner liner 2 by multiple uniformly distributed connecting components 3, and connection is made
More stablize.The quantity of connecting component 3 is 8 in the present embodiment, is distributed on combustion box 1.
The above descriptions are merely preferred embodiments of the present invention, is not intended to limit the utility model, for this
For the technical staff in field, various modifications and changes may be made to the present invention.It is all in the spirit and principles of the utility model
Within, any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.
Claims (9)
1. the connection structure of a kind of combustion box and burner inner liner, which is characterized in that
Including the connecting component being fixedly arranged on combustion box (1) for connecting the combustion box (1) and burner inner liner (2)
(3), bushing corresponding with the connecting component (3) is installed on the burner inner liner (2), the connecting component (3) is through the combustion
The mounting hole burnt on room casing (1) is contacted with the bushing line.
2. the connection structure of combustion box according to claim 1 and burner inner liner, which is characterized in that
The position contacted with the bushing on the connecting component (3) is arc and tangent with the inner wall of the bushing.
3. the connection structure of combustion box according to claim 1 and burner inner liner, which is characterized in that
The bushing includes neck bush (4) and external bushing (5), and the external bushing (5) is fixedly arranged on the burner inner liner (2), described
Neck bush (4) is clamped with the external bushing (5)；The connecting component (3) contacts with the neck bush (4) line.
4. the connection structure of combustion box according to claim 3 and burner inner liner, which is characterized in that
The neck bush (4) is placed in the external bushing (5) and fixation of closing up.
5. the connection structure of combustion box according to any one of claim 1 to 4 and burner inner liner, which is characterized in that
The combustion box (1) is equipped with installing component (6), and the connecting component (3) is fixed on the peace by screw (7)
It fills on component (6).
6. the connection structure of combustion box according to any one of claim 1 to 4 and burner inner liner, which is characterized in that
The connecting component (3) is equipped with coating with the bushing in the contact site of the two.
7. the connection structure of combustion box according to any one of claim 1 to 4 and burner inner liner, which is characterized in that
On the connecting component (3) nitriding layer is formed through Nitrizing Treatment with the contact site of the bushing.
8. the connection structure of combustion box according to any one of claim 1 to 4 and burner inner liner, which is characterized in that
The material of the connecting component (3) is steel alloy.
9. the connection structure of combustion box according to any one of claim 1 to 4 and burner inner liner, which is characterized in that
The combustion box (1) is separately connected fixation with the burner inner liner (2) by multiple connecting components (3), described
Connecting component (3) is distributed on the combustion box (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721855040.XU CN207907283U (en) | 2017-12-26 | 2017-12-26 | The connection structure of combustion box and burner inner liner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721855040.XU CN207907283U (en) | 2017-12-26 | 2017-12-26 | The connection structure of combustion box and burner inner liner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207907283U true CN207907283U (en) | 2018-09-25 |
Family
ID=63568700
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721855040.XU Active CN207907283U (en) | 2017-12-26 | 2017-12-26 | The connection structure of combustion box and burner inner liner |
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| CN (1) | CN207907283U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853855A (en) * | 2020-06-18 | 2020-10-30 | 中国航发湖南动力机械研究所 | Gas turbine engine combustor |
| CN114136639A (en) * | 2021-10-20 | 2022-03-04 | 中国航发四川燃气涡轮研究院 | Flame tube pressure drop measuring device |
| CN114543120A (en) * | 2021-11-30 | 2022-05-27 | 中国航发湖南动力机械研究所 | Flame tube fixing structure based on ceramic matrix composite |
| CN117366628A (en) * | 2023-10-10 | 2024-01-09 | 中国航发燃气轮机有限公司 | Tube-separating type combustion chamber |
-
2017
- 2017-12-26 CN CN201721855040.XU patent/CN207907283U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111853855A (en) * | 2020-06-18 | 2020-10-30 | 中国航发湖南动力机械研究所 | Gas turbine engine combustor |
| CN114136639A (en) * | 2021-10-20 | 2022-03-04 | 中国航发四川燃气涡轮研究院 | Flame tube pressure drop measuring device |
| CN114136639B (en) * | 2021-10-20 | 2023-10-03 | 中国航发四川燃气涡轮研究院 | Flame tube pressure drop measuring device |
| CN114543120A (en) * | 2021-11-30 | 2022-05-27 | 中国航发湖南动力机械研究所 | Flame tube fixing structure based on ceramic matrix composite |
| CN117366628A (en) * | 2023-10-10 | 2024-01-09 | 中国航发燃气轮机有限公司 | Tube-separating type combustion chamber |
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