CN209129681U - Fixed blade ring - Google Patents
Fixed blade ring Download PDFInfo
- Publication number
- CN209129681U CN209129681U CN201821777887.5U CN201821777887U CN209129681U CN 209129681 U CN209129681 U CN 209129681U CN 201821777887 U CN201821777887 U CN 201821777887U CN 209129681 U CN209129681 U CN 209129681U
- Authority
- CN
- China
- Prior art keywords
- outer ring
- ring
- gap
- segment
- along
- 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.)
- Active
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of fixed blade ring, the fixed blade ring includes outer ring, inner ring, stator blade and first seal, and the outer ring is equipped with multiple circumferentially spaced first gaps along the outer ring；The inner ring is radially disposed on the inside of the outer ring along the outer ring；The stator blade has multiple, each stator blade connects the outer ring and the inner ring, multiple stator blades are arranged along the circumferential uniform intervals of the outer ring, the first seal runs through the outer ring and first gap towards the inner peripheral surface of the outer ring from the periphery of the outer ring, to prevent gas from leaking out from first gap along the axial direction of the outer ring.The fixed blade ring of the utility model can prevent the gas in compressor sprue from being leaked along axial direction from high-voltage end to low-pressure end, eliminate the influence that gas in sprue is flowed in the first gap.
Description
Technical field
The utility model relates to technical field of gas turbine, and in particular, to a kind of fixed blade ring.
Background technique
In gas turbine, compressor to the pressurization of gas by the rotation acting of movable vane in compressor passage, diffusion and
The rectification of stator blade, diffusion are completed.Stator blade is stationary parts, is fixed on cylinder by fixed blade ring.Fixed blade ring is generally by outer ring, quiet
Blade and inner ring three parts composition.For the ease of assembly fixed blade ring and support ring or cylinder, usually by the outer ring of fixed blade ring and inner ring
Multistage is respectively cut into, after outer ring is fitted together by multistage, there is gap, similarly, inner ring is by multistage group between adjacent segment
After being fitted together, also there is gap between adjacent segment.
In the related technology, sealing element is installed to stop radial and axial air-flow between the adjacent segment of inner ring, gas is prevented to exist
It is revealed at the gap of inner ring, however, there is no install sealing device additional to the gap between the adjacent segment of outer ring.Therefore, related skill
The gas leakage at the gap of outer ring can not be prevented in art, sealing effect is bad, influences the working efficiency of compressor, influences simultaneously
Gas flowing in sprue.
Utility model content
The utility model is intended to solve at least some of the technical problems in related technologies.
For this purpose, the sealing effect of the fixed blade ring is good the utility model proposes a kind of fixed blade ring, the work of compressor is improved
Make efficiency, eliminates the influence flowed to gas in sprue.
The fixed blade ring of embodiment according to the present utility model includes outer ring, and the outer ring is equipped with multiple first gaps, more
The outer ring is divided into multiple circumferential directions along the outer ring along the circumferentially-spaced arrangement of the outer ring by a first gap
The segmental arc of extension；Inner ring, the inner ring are radially disposed on the inside of the outer ring along the outer ring；Stator blade, the stator blade tool
There are multiple, each stator blade connection outer ring and the inner ring, multiple stator blades are equal along the circumferential direction of the outer ring
Even arranged for interval；First seal, the first seal run through from the periphery of the outer ring towards the inner peripheral surface of the outer ring
The outer ring and first gap, to prevent gas from leaking out from first gap along the axial direction of the outer ring.
The fixed blade ring of embodiment according to the present utility model carries out the first gap on outer ring by first seal close
Envelope, it is therefore prevented that the gas in compressor sprue is leaked at the first gap of outer ring from high-voltage end to low-pressure end along axial direction, by
This, the sealing effect of fixed blade ring is good, the working efficiency of compressor is improved, simultaneously as carrying out at the first gap of outer ring
Sealing eliminates the influence that gas in sprue is flowed in the first gap.
In some embodiments, the first seal is T-shaped.
In some embodiments, the first seal includes first segment and second segment, and the first segment is from the outer ring
Outer peripheral surface towards the outer ring inner peripheral surface extend, the second segment from the inner end of the first segment towards the outer ring in
Circumferential surface extends, and the length of the second segment is greater than the length of the first segment, and the width of the second segment is less than the first segment
Width.
In some embodiments, the thickness of the second segment is less than the thickness of the first segment.
In some embodiments, the outer ring is equipped with mounting groove, the mounting groove and first gap area, described
First seal cooperates in the mounting groove.
In some embodiments, the axial direction of the mounting groove and first gap are from the outer peripheral surface of the outer ring towards institute
The extending direction for stating the inner peripheral surface of outer ring is consistent.
In some embodiments, the mounting groove includes the first slot and the second slot to communicate with each other, and first slot is neighbouring
The outer peripheral surface of the outer ring is arranged, and second slot is arranged adjacent to the inner peripheral surface of the outer ring, the axial length of second slot
Greater than the axial length of first slot, the cross-sectional area of second slot is less than the cross-sectional area of first slot.
In some embodiments, multiple first gaps are evenly spaced arrangement along the circumferential direction of the outer ring.
In some embodiments, the inner ring is equipped with multiple second gaps, and multiple second gaps are along the inner ring
Circumferentially-spaced arrangement, the inner ring is divided into the segmental arc of multiple circumferentially extendings along the inner ring, second gap with
Diametrically setting of first gap along the outer ring.
In some embodiments, the fixed blade ring further includes second seal, and the second seal is in cross and matches
It closes in second gap, to prevent gas from second gap along the interior axially and radially leakage.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the fixed blade ring of embodiment according to the present utility model.
Fig. 2 is the structural schematic diagram of the outer ring of the fixed blade ring of embodiment according to the present utility model.
Fig. 3 is the partial enlargement diagram of the outer ring of the fixed blade ring of embodiment according to the present utility model.
Fig. 4 is the explosive view of the outer ring of the fixed blade ring of embodiment according to the present utility model.
Fig. 5 is the structural schematic diagram of the inner ring of the fixed blade ring of embodiment according to the present utility model.
Appended drawing reference:
Outer ring 1, mounting groove 11, the first slot 111, the second slot 112, the first gap 101, blade root slot 102, inner ring 2, stator blade
3, first seal 4, first segment 41, second segment 42.
Specific embodiment
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings.Below by
The embodiment being described with reference to the drawings is exemplary, it is intended to for explaining the utility model, and should not be understood as practical new to this
The limitation of type.In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ",
" width ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside",
The orientation or positional relationship of the instructions such as " clockwise ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is based on the figure
Orientation or positional relationship is merely for convenience of describing the present invention and simplifying the 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 to the utility model
Limitation.
It as shown in Figs. 1-5, include outer ring 1, inner ring 2, stator blade 3 and first according to the fixed blade ring of the utility model embodiment
Sealing element 4, outer ring 1 are equipped with multiple first gaps 101, and multiple first gaps 101, will along the circumferentially-spaced arrangement of outer ring 1
Outer ring 1 is divided into the segmental arc of multiple circumferentially extendings along outer ring 1.Specifically, multiple first gaps 11 are along the circumferential uniform of outer ring 1
Ground arranged for interval, i.e., the distance between adjacent first gap 101 in the circumferential direction of outer ring 1 are identical.In other words, as shown in Figure 1, 2,
First gap 101 extends to the inner peripheral surface of outer ring 1 from the outer peripheral surface of outer ring 1, i.e. the wall thickness of outer ring 1 is run through in the first gap 101, and
First gap 101 extends to the second end face of outer ring 1 from the first end face of outer ring 1, i.e. the first gap 101 is along from the of outer ring 1
Outer ring 1 is run through in the direction of one end towards the second end of outer ring 1.
Specifically, the first gap 101 can have multiple, for example, Fig. 1, shown in 2, the first gap 101 has 4,4 the
One gap 101 arranges that outer ring 1 is divided into 4 weeks along outer ring 1 by 4 the first gaps 101 along the circumferential uniform intervals of outer ring 1
To the segmental arc of extension.
Inner ring 2 is radially disposed in 1 inside of outer ring along outer ring 1.In other words, as shown in Figure 1, outer ring 1 is arranged around inner ring 2,
Outer ring 1 and inner ring 2 are coaxially disposed, and the radial direction between inner ring 2 and outer ring 1 along outer ring 1 has gap.
Stator blade 3 has multiple, each connection outer ring 1 of stator blade 3 and inner ring 2, circumferential direction of multiple stator blades 3 along outer ring 1
Uniform intervals arrangement.In the description of the present invention, the meaning of " plurality " is at least two, such as two, three etc., unless
Separately there is clearly specific restriction.
In other words, as shown in Figure 1, stator blade 3 is between outer ring 1 and inner ring 2, and the outer end of stator blade 3 and outer ring 1
Inner peripheral surface is connected, and the inner end of fixed blade ring 3 is connected with the outer peripheral surface of inner ring 2.It is i.e. interior along the circumferential direction of outer ring 1 between outer ring 1 and inner ring 2
Circumferentially multiple stator blades 3 of ring 2, and the distance between adjacent vane piece 3 is identical.
Specifically, stator blade 3 includes radially outward sequentially connected leaf top, blade and the blade root along outer ring 1, outer ring 1
Inner peripheral surface is equipped with multiple circumferentially spaced blade root slots 102 along outer ring 1, as shown in figure 3, the outer end of the blade root of stator blade 3
Cooperation is in blade root slot 102, and the corresponding blade root slot 102 of a stator blade 3, inner end and the inner ring 2 on the leaf top of stator blade 3
Outer peripheral surface is connected.Wherein, the first gap 101 is spaced apart with blade root slot 102, i.e. the first gap 101 be located on outer ring 1 without leaf
The position of root slot 102.
First seal 4 runs through outer ring 1 and the first gap 101 from the inner peripheral surface that the periphery of outer ring 1 faces out ring 1, to prevent
Only axial direction of the gas from the first gap 101 along outer ring 1 leaks out.In other words, as shown in Figure 3,4, first seal 4 is in the first gap
The inner peripheral surface of outer ring 1 is extended at 101 from the outer peripheral surface of outer ring 1, and the first gap 101 is separated into two by first seal 4
Parting gap, this two parts gap are spaced apart along the direction of the first end face from outer ring 1 towards the second end face of outer ring 1 and do not connect
It is logical.
The fixed blade ring of embodiment according to the present utility model, by first seal 4 to the first gap 101 on outer ring 1
It is sealed, it is therefore prevented that gas in compressor sprue is along axial direction from high-voltage end to low pressure at the first gap 101 of outer ring 1
End leakage, the sealing effect of fixed blade ring is good as a result, the working efficiency of compressor is improved, simultaneously as first to outer ring 1
It is sealed at gap 101, eliminates the influence that gas in sprue is flowed in the first gap 101.
In some embodiments, first seal 4 is T-shaped.In other words, T-type sealing element is arranged in outer ring 1, and by the
One gap 101 is in the first end face from outer ring 1 towards separating on the direction of the second end face of outer ring 1.
In some embodiments, as shown in figure 4, first seal 4 includes the first segment 41 and second segment 42 being connected with each other,
Inner peripheral surface of the first segment 41 from the outer peripheral surface of outer ring 1 towards outer ring 1 extends, and second segment 42 is from the inner end of first segment 41 along from outer ring
The direction of 1 outer peripheral surface towards the inner peripheral surface of outer ring 1 extends and extends to the inner peripheral surface of outer ring 1, wherein the length of first segment 41
Less than the length of second segment 42, and the width of first segment 41 is greater than the width of second segment 41.In other words, first segment 41 and second segment
42 be connected to each other after it is substantially T-shaped.
Here, it is to be understood that " length " in the length of second segment 42 " length of first segment 41 be less than " be along from
The outer peripheral surface of outer ring 1 is towards the length of the first seal 4 on the direction of the inner peripheral surface of outer ring 1, and " width of first segment 41 is greater than
" width " in the width of second segment 41 " is the length of the first seal 4 in up and down direction shown in Fig. 4.
Further, the thickness of second segment 42 is less than the thickness of first segment 41.In this embodiment, by close by first
The thickness of the first segment 41 of sealing 4 is greater than the thickness of second segment 42, can be further improved sealing effect.Here, it is to be understood that
, " thickness " in the thickness of first segment 41 " thickness of second segment 42 be less than " is the first end face along outer ring 1 towards outer ring 1
Second end face direction on first seal 4 length.
In some embodiments, as shown in figure 4, outer ring 1 is equipped with mounting groove 11, mounting groove 11 and 101 phase of the first gap
Connection, first seal 4 cooperate in mounting groove 11.Preferably, the axial direction of mounting groove 11 and the first gap 101 are from outer ring 1
The extending direction of outer peripheral surface towards the inner peripheral surface of outer ring 1 is consistent.In other words, mounting groove 11 extends to outer from the outer peripheral surface of outer ring 1
The inner peripheral surface of ring 1.It is understood that mounting groove 11 can be through slot, outer ring can not also be penetrated through.
Specifically, mounting groove 11 includes the first slot 111 and the second slot 112 to communicate with each other, and the first slot 111 is adjacent to outer ring 1
Outer peripheral surface setting, i.e. the first slot 111 from the outer peripheral surface of outer ring 1 along the outer peripheral surface from outer ring 1 towards outer ring 1 inner peripheral surface side
To extension.Second slot 112 is arranged adjacent to the inner peripheral surface of outer ring 1, i.e. the second slot 112 is from the inner end of the first slot 111 along from outer ring 1
The direction of outer peripheral surface towards the inner peripheral surface of outer ring 1 extends.The axial length of second slot 112 is greater than the axial length of the first slot 111,
Cross-sectional area of the cross-sectional area of second slot 112 less than the first slot 111.Such as shown in Fig. 4, in the outer peripheral surface from outer ring 1
On towards the direction of the inner peripheral surface of outer ring 1 (length direction of corresponding first seal 4), the length of the second slot 112 is greater than first
The length of slot 111；In up and down direction shown in Fig. 4 (width direction of corresponding first seal), the length of the second slot 112 is small
In the length of the first slot 111；In the first end face from outer ring 1 towards (corresponding first sealing on the direction of the second end face of outer ring 1
The thickness direction of part 4), the length of the length of the second slot 112 less than the first slot 111.
In other words, the geomery of mounting groove 11 is consistent with 4 geomery of first seal, and the first of first seal 4
In the first slot 111, the second segment 42 of first seal 4 cooperates in the second slot 112 41 cooperation of section, to pass through the first sealing
First gap 101 is separated into two be spaced apart along the direction of the first end face from outer ring 1 towards the second end face of outer ring 1 by part 4
Partial gap.
Term " first ", " second " are used for description purposes only in the description of the present invention, and should not be understood as indicating
Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " are defined as a result,
Feature can explicitly or implicitly include at least one of the features.
In some embodiments, as shown in figure 5, inner ring 2 is equipped with multiple second gaps 201, multiple second gap, 201 edges
Inner ring 2, is divided into the segmental arc of multiple circumferentially extendings along inner ring 2 by the circumferentially-spaced arrangement of inner ring 2.Specifically, multiple second
Gap 201 is evenly spaced arrangement along the circumferential direction of inner ring 2, i.e., the distance between adjacent second gap 201 in the circumferential direction of inner ring 2
It is identical.Preferably, the diametrically setting of the second gap 201 and the first gap 101 along outer ring 1.
In some embodiments, fixed blade ring further includes second seal (not shown), and second seal is in cross and matches
It closes in the second gap 201, to prevent axially and radially leakage of the gas from the second gap 201 along inner ring 2.
Below with reference to the accompanying drawings 1-5 describes the stator blade according to the utility model specific embodiment.
It as shown in Figs. 1-5, include outer ring 1, inner ring 2, stator blade 3 and first according to the stator blade of the utility model embodiment
Sealing element 4.
Outer ring 1 is equipped with multiple first gaps 101, and each first gap 101 extends to outer ring 1 from the outer peripheral surface of outer ring 1
Inner peripheral surface, i.e. the first gap 101 runs through the wall thickness of outer ring 1, and the first gap 101 extended to from the first end face of outer ring 1 it is outer
The second end face of ring 1, i.e. the first gap 101 run through outer ring 1 along the direction of the first end from outer ring 1 towards the second end of outer ring 1.
Multiple first gaps 101 are evenly spaced arrangement along the circumferential direction of outer ring 1, are divided into multiple circumferential directions along outer ring 1 to prolong outer ring 1
The segmental arc stretched.
Multiple circumferentially spaced blade root slots 102 along outer ring 1,102 He of blade root slot are additionally provided on the inner peripheral surface of outer ring 1
First gap 101 is separated from each other.
Outer ring 1 is equipped with mounting groove 11, and mounting groove 11 includes the first slot 111 and the second slot 112 to communicate with each other, the first slot
111 extend from the outer peripheral surface of outer ring 1 along the direction of the outer peripheral surface from outer ring 1 towards the inner peripheral surface of outer ring 1.Second slot 112 is from
The inner end of one slot 111 extends along the direction of the outer peripheral surface from outer ring 1 towards the inner peripheral surface of outer ring 1 and extends to the inner circumferential of outer ring 1
Face.Second slot 112 the outer peripheral surface from outer ring 1 towards the length on the direction of the inner peripheral surface of outer ring 1 be greater than the first slot 111 from
The outer peripheral surface of outer ring 1 is towards the length on the direction of the inner peripheral surface of outer ring 1, in the up and down direction shown in Fig. 4 of the second slot 112
Length is less than the length in the up and down direction shown in Fig. 4 of the first slot 111, and the second slot 112 is in the first end face direction from outer ring 1
Length on the direction of the second end face of outer ring 1 is less than the first slot 111 in the first end face from outer ring 1 towards the second of outer ring 1
Length on the direction of end face.
First seal 4 includes the first segment 41 and second segment 42 being connected with each other, outer peripheral surface direction of the first segment 41 from outer ring 1
The inner peripheral surface of outer ring 1 extends, inner peripheral surface of outer peripheral surface of the second segment 42 from the inner end of first segment 41 edge from outer ring 1 towards outer ring 1
Direction extend and extend to the inner peripheral surface of outer ring 1, wherein the length of first segment 41 is less than the length of second segment 42, and first segment
41 width is greater than the width of second segment 41, so that first seal 4 is substantially T-shaped.4 geomery of first seal and installation
The geomery of slot 11 is consistent, and first segment 41 cooperates in the first slot 111, and second segment 42 cooperates in the second slot 112, to pass through the
First gap 101 is separated into two parts gap by one sealing element 4, this two parts gap is along the first end face from outer ring 1 outside
The direction of the second end face of ring 1 is spaced apart and is not connected to, to prevent gas from leaking out from the first gap 101 along the axial direction of outer ring 1.
Inner ring 2 is radially disposed in the inside of outer ring 1 along outer ring 1, and outer ring 1 and inner ring 2 are coaxially disposed, and inner ring 2 and outer ring 1 it
Between along the radial direction of outer ring 1 have gap.Inner ring 2 is equipped with multiple second gaps 201, week of multiple second gaps 201 along inner ring 2
To arrangement is evenly spaced, inner ring 2 is divided into the segmental arc of multiple circumferentially extendings along inner ring 2, the second gap 201 and the first seam
Diametrically setting of the gap 101 along outer ring 1.
Fixed blade ring further includes second seal (not shown), and second seal is in cross and cooperation in the second gap 201
It is interior, to prevent axially and radially leakage of the gas from the second gap 201 along inner ring 2.
Stator blade 3 have it is multiple, multiple stator blades 3 along outer ring 1 circumferential uniform intervals arrange, stator blade 3 includes along outer
The outer end of radially outward sequentially connected leaf top, blade and the blade root of ring 1, the blade root of stator blade 3 cooperates in blade root slot 102,
And the corresponding blade root slot 102 of a stator blade 3, the inner end on the leaf top of stator blade 3 is connected with the outer peripheral surface of inner ring 2.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example
Point is contained at least one embodiment or example of the utility model.In the present specification, to the schematic table of above-mentioned term
It states and is necessarily directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be with
It can be combined in any suitable manner in any one or more of the embodiments or examples.In addition, without conflicting with each other, this field
Technical staff can by the feature of different embodiments or examples described in this specification and different embodiments or examples into
Row combination and combination.
In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be
Mechanical connection is also possible to be electrically connected or can communicate each other；It can be directly connected, the indirect phase of intermediary can also be passed through
Even, the connection inside two elements or the interaction relationship of two elements be can be, unless otherwise restricted clearly.For this
For the those of ordinary skill in field, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.
In the present invention unless specifically defined or limited otherwise, fisrt feature is in the second feature " on " or " down "
It can be that the first and second features directly contact or the first and second features are by intermediary mediate contact.Moreover, first is special
Sign can be fisrt feature above the second feature " above ", " above " and " above " and be directly above or diagonally above the second feature, or only
Indicate that first feature horizontal height is higher than second feature.Fisrt feature under the second feature " below ", " below " and " below " can be with
It is that fisrt feature is directly under or diagonally below the second feature, or is merely representative of first feature horizontal height less than second feature.
Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is
Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model
Inside it can make changes, modifications, alterations, and variations to the above described embodiments.
Claims (10)
1. a kind of fixed blade ring characterized by comprising
Outer ring, the outer ring be equipped with multiple first gaps, multiple first gaps along the outer ring circumferentially-spaced arrangement,
The outer ring to be divided into the segmental arc of multiple circumferentially extendings along the outer ring；
Inner ring, the inner ring are radially disposed on the inside of the outer ring along the outer ring；
Stator blade, the stator blade has multiple, each stator blade connection outer ring and the inner ring, multiple described quiet
Blade is arranged along the circumferential uniform intervals of the outer ring；
First seal, the first seal run through the outer ring towards the inner peripheral surface of the outer ring from the periphery of the outer ring
With first gap, with prevent gas from first gap along the outer ring axial direction leak out.
2. fixed blade ring according to claim 1, which is characterized in that the first seal is T-shaped.
3. fixed blade ring according to claim 1, which is characterized in that the first seal includes first segment and second segment,
Inner peripheral surface of the first segment from the outer peripheral surface of the outer ring towards the outer ring extends, and the second segment is from the first segment
The inner peripheral surface of inner end towards the outer ring extends, and the length of the second segment is greater than the length of the first segment, the second segment
Width be less than the first segment width.
4. fixed blade ring according to claim 3, which is characterized in that the thickness of the second segment is less than the thickness of the first segment
Degree.
5. fixed blade ring according to claim 1, which is characterized in that the outer ring be equipped with mounting groove, the mounting groove with
First gap area, the first seal cooperation is in the mounting groove.
6. fixed blade ring according to claim 5, which is characterized in that the axial direction of the mounting groove and first gap are from institute
The extending direction for stating outer peripheral surface towards the inner peripheral surface of the outer ring of outer ring is consistent.
7. fixed blade ring according to claim 6, which is characterized in that the mounting groove includes the first slot to communicate with each other and
Two slots, first slot are arranged adjacent to the outer peripheral surface of the outer ring, and second slot is arranged adjacent to the inner peripheral surface of the outer ring, institute
The axial length for stating the second slot is greater than the axial length of first slot, and the cross-sectional area of second slot is less than described first
The cross-sectional area of slot.
8. fixed blade ring described in any one of -7 according to claim 1, which is characterized in that multiple first gaps are along described outer
The circumferential direction of ring is evenly spaced arrangement.
9. fixed blade ring described in any one of -7 according to claim 1, which is characterized in that the inner ring is equipped with multiple second seams
The inner ring is divided into multiple along the inner ring by gap, multiple second gaps along the circumferentially-spaced arrangement of the inner ring
The diametrically setting of the segmental arc of circumferentially extending, second gap and first gap along the outer ring.
10. fixed blade ring according to claim 9, which is characterized in that further include second seal, the second seal is in
Cross and cooperation is in second gap, to prevent axially and radially leakage of the gas from second gap along the inner ring
Out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777887.5U CN209129681U (en) | 2018-10-30 | 2018-10-30 | Fixed blade ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821777887.5U CN209129681U (en) | 2018-10-30 | 2018-10-30 | Fixed blade ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209129681U true CN209129681U (en) | 2019-07-19 |
Family
ID=67233478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821777887.5U Active CN209129681U (en) | 2018-10-30 | 2018-10-30 | Fixed blade ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209129681U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561481A (en) * | 2020-06-05 | 2020-08-21 | 中国航发沈阳发动机研究所 | Stator cartridge receiver structure |
| CN112065777A (en) * | 2020-11-10 | 2020-12-11 | 中国航发上海商用航空发动机制造有限责任公司 | Adjusting precision maintaining structure of inlet guide vane of gas compressor |
-
2018
- 2018-10-30 CN CN201821777887.5U patent/CN209129681U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111561481A (en) * | 2020-06-05 | 2020-08-21 | 中国航发沈阳发动机研究所 | Stator cartridge receiver structure |
| CN112065777A (en) * | 2020-11-10 | 2020-12-11 | 中国航发上海商用航空发动机制造有限责任公司 | Adjusting precision maintaining structure of inlet guide vane of gas compressor |
| CN112065777B (en) * | 2020-11-10 | 2021-01-19 | 中国航发上海商用航空发动机制造有限责任公司 | Adjusting precision maintaining structure of inlet guide vane of gas compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101382077B (en) | Labyrinth compression seal and turbine incorporating same | |
| CN101787903B (en) | Turbine bucket angel wing compression seal | |
| CN104755701B (en) | The bellyband sealing member of lapping end bottom band | |
| CN209129681U (en) | Fixed blade ring | |
| US20070292292A1 (en) | Vane cell pump | |
| CN103216277B (en) | Refreshable inter-stage becomes corner seal | |
| US6790001B2 (en) | Brush seal arrangement for high pressure applications | |
| CN103939151B (en) | There is the turbine of vortex suppression sealing | |
| CN104937215A (en) | Seal assembly including grooves in a radially outwardly facing side of a platform in a gas turbine engine | |
| CN105604612A (en) | Internal shroud for compressor of axial-flow turbomachine | |
| CN103836002A (en) | Stator blades of axial turbocompressor and manufacturing process thereof | |
| CN103459777B (en) | Sealing ring for a turbine stage of an aircraft turbomachine, comprising slotted anti-rotation pegs | |
| US9841109B2 (en) | Shaft seal mechanism and rotary machine provided with same | |
| CN101372897A (en) | Steam turbine | |
| CN103502577B (en) | Turbine stator vane and gas turbine | |
| CN110005637A (en) | Axial-flow type aeroengine rotor | |
| CN208885631U (en) | A kind of detachable diffuser structure | |
| US10626727B2 (en) | Turbine bucket for control of wheelspace purge air | |
| CN103670529A (en) | Method and cooling system for cooling blades of at least one blade row | |
| EP3457007B1 (en) | Seal segment and rotary machine comprising the seal segment | |
| EP2305957B1 (en) | Improved staggered seal assembly | |
| CN111322480A (en) | High-durability rotary joint for wind power generation equipment | |
| CN103291378B (en) | Seals for turbine engine | |
| CN107438701A (en) | The cooling under two pressure of turbine airfoil | |
| CN110662885A (en) | Axial flow rotary machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |