CN204402579U - Ring end face seal structure held by a kind of gas turbine turbine - Google Patents
Ring end face seal structure held by a kind of gas turbine turbine Download PDFInfo
- Publication number
- CN204402579U CN204402579U CN201420872156.4U CN201420872156U CN204402579U CN 204402579 U CN204402579 U CN 204402579U CN 201420872156 U CN201420872156 U CN 201420872156U CN 204402579 U CN204402579 U CN 204402579U
- Authority
- CN
- China
- Prior art keywords
- turbine
- block
- obturaging
- gas turbine
- mounting groove
- 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
- Gasket Seals (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
Ring end face seal structure held by a kind of gas turbine turbine, relates to gas turbine structure design.This end face seal structure comprises: block of obturaging, spring, spring cup and mounting groove.The sectional shape of described block of obturaging is " convex " shape, and mounting groove is "T"-shaped; " convex " shape is obturaged between block with "T"-shaped mounting groove and is directly coordinated; Block of obturaging during installation along the circumferential direction slips in mounting groove.The utility model is located and is installed simple and reliable, does not need additional structure, easy accessibility; When gas turbine works, hold ring and still can meet effect of obturaging by thermogenetic axis with when moving radially, ensure that gas turbine reliably, stably works.
Description
Technical field
The utility model relates to gas turbine mechanical structural design, belongs to gas turbine structure design field.
Background technique
During gas turbine work, because in turbine, fuel gas temperature is high, parts cooling adopts introduces cooled gas mode from other position, hold ring and rear class turbine at top turbine and hold gap (holding czermak space hereinafter referred to as front stage) place between ring, cooled gas directly contacts with the combustion gas of mainstream channel, hold on ring end face at rear class turbine and adopt seal structure, can gas leakage be stopped, ensure efficiency of turbine.And turbine holds ring when being heated, produce axis and radial displacement, hold ring due to front stage turbine and to be heated difference, cause amount of deformation inconsistent, front stage turbine is held czermak space and is changed thereupon, and seal structure effectively can ensure sealing effect at turbine spindle to the corresponding movement with radial direction.
Traditional industry gas turbine end face seal structure adopts cross section to be square block of obturaging, as shown in Figure 1, 2, when block is obturaged in installation, axial bolts 8 block of obturaging is adopted to be fixed on and to hold on ring, and lock with locating stud 6 and nut 7, make spring have certain pre compressed magnitude, unclamp bolt after installation, the axial restoring force of spring 9 makes to obturage and holds loop contacts with top turbine and realize sealing.Affect unit safety in order to nut when preventing work drops, ring will be held and be arranged on after on turbine cylinder and need to remove nut, and due to turbine cylinder spatial constraints, the process removing nut is not easy to operate.When holding ring maintenance dismounting and holding ring, block of obturaging is in axially without positioning states, easily dropping from holding ring, making troubles to dismounting.
Model utility content
The purpose of this utility model is to provide a kind of gas turbine turbine and holds ring end face seal structure, industry gas turbine end face can be solved preferably to be obturaged the problem of block dismounting inconvenience, and then improve gas turbine turbine and hold the reliability of ring end face seal structure work, stability and life-span.
The technical solution of the utility model is as follows:
Ring end face seal structure held by a kind of gas turbine turbine, containing block and the mounting groove obturaged, block of obturaging is arranged in mounting groove, circumferentially be provided with multiple spring and spring cup obturaging on block, described mounting groove is arranged on rear class turbine and holds on the end face of ring, it is characterized in that: the sectional shape of described block of obturaging is " convex " shape, and mounting groove is "T"-shaped; " convex " shape is obturaged between block with "T"-shaped mounting groove and is directly coordinated.
In technique scheme, described " convex " shape block of obturaging is at least two.
In technique scheme, described multiple spring and spring cup are circumferentially evenly arranged.
The utility model compared with prior art, has the following advantages and beneficial effect: obturaging between block with mounting groove in gas turbine end face seal structure provided by the utility model directly coordinates, and do not need additional structure, dismounting is simple and convenient; When gas turbine works, hold ring and still can meet effect of obturaging by thermogenetic axis with when moving radially, ensure that gas turbine reliably, stably works.
Accompanying drawing explanation
Fig. 1 is existing gas turbine end face seal structure enlarged view.
Fig. 2 is that existing gas turbine end face is obturaged block structure three-dimensional section view.
Fig. 3 is for adopting gas turbine Turbine section structure diagram of the present utility model.
Fig. 4 is that ring end face seal structure enlarged view held by the gas turbine turbine that the utility model provides.
Fig. 5 is that ring end face seal structure three-dimensional section view held by the gas turbine turbine that the utility model provides.
In figure: 1-turbine cylinder; Ring held by 2-top turbine; Ring held by 3-rear class turbine; 4-" convex " shape is obturaged block; The square block of obturaging of 5-; 6-locating stud; 7-nut; 8-bolt; 9-spring; 10-spring cup; The "T"-shaped mounting groove of 11-.
Embodiment
Below in conjunction with accompanying drawing, structure of the present utility model, principle and working procedure are described further.
Fig. 1, Fig. 2 are the schematic diagram that ring end face seal structure held by existing gas turbine turbine, and the end face holding ring at rear class turbine is provided with square block 5 of obturaging, and front-end face and the top turbine of square block of obturaging are held ring 2 and contacted and realize sealing.When block is obturaged in installation, adopt bolt 8 block of obturaging to be fixed on and to hold on ring, and lock with locating stud 6 and nut 7 and fix, make spring have certain pre compressed magnitude, unclamp bolt after installation, the axial restoring force of spring 9 make to obturage block and top turbine is held loop contacts and is realized sealing.
Fig. 3 is for adopting gas turbine Turbine section structure diagram of the present utility model; Fig. 4, Fig. 5 are respectively enlarged view and the three dimensional sectional view that ring end face seal structure held by the utility model turbine.With sprue fuel gas flow direction for turbine spindle to, top turbine is held ring 2 and rear class turbine and is held ring 3 and be arranged on turbine cylinder 1, forward and backward level turbine is held czermak space and is communicated with cold air cavity and combustion gas, the sectional shape of described block of obturaging is " convex " shape, mounting groove is "T"-shaped, and " convex " shape block 4 of obturaging directly coordinates with "T"-shaped mounting groove 11; For the ease of installing, " convex " shape block 4 of obturaging is at least two.
During installation, " convex " shape block 4 of obturaging along the circumferential direction slips in "T"-shaped mounting groove 11, and obturage on block 4 " convex " shape, multiple spring 9 and spring cup 10 are circumferentially evenly arranged, and do not need axially locating bolt, eliminate bolt, nut and locating stud.
Block 4 that " convex " shape is obturaged be installed to rear class turbine hold in the "T"-shaped mounting groove 11 of ring 3 time, produce axial precompression by spring 9, the restoring force effect of spring 9 makes " convex " shape block 4 of obturaging obturage with the realization that contacts that ring 2 held by top turbine.Top turbine hold ring 2 and rear class turbine hold ring 3 be heated have displacement amount vertically with radial direction time, the effect of spring 9 makes obturage block 4 and top turbine of " convex " shape hold ring 2 and remain and contact, and does not change sealing state.
Claims (3)
1. ring end face seal structure held by a gas turbine turbine, containing block and the mounting groove obturaged, block of obturaging is arranged in mounting groove, circumferentially be provided with multiple spring (9) and spring cup (10) obturaging on block, described mounting groove is arranged on rear class turbine and holds on the end face of ring (3), it is characterized in that: the sectional shape of described block of obturaging is " convex " shape, and mounting groove is "T"-shaped; " convex " shape is obturaged between block (4) with "T"-shaped mounting groove (11) and is directly coordinated.
2. ring end face seal structure held by a kind of gas turbine turbine according to claim 1, it is characterized in that: described " convex " shape block (4) of obturaging is at least two.
3. ring end face seal structure held by a kind of gas turbine turbine according to claim 1 and 2, and described multiple springs (9) and spring cup (10) are circumferentially evenly arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872156.4U CN204402579U (en) | 2014-12-31 | 2014-12-31 | Ring end face seal structure held by a kind of gas turbine turbine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420872156.4U CN204402579U (en) | 2014-12-31 | 2014-12-31 | Ring end face seal structure held by a kind of gas turbine turbine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204402579U true CN204402579U (en) | 2015-06-17 |
Family
ID=53426448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420872156.4U Active CN204402579U (en) | 2014-12-31 | 2014-12-31 | Ring end face seal structure held by a kind of gas turbine turbine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204402579U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138727A (en) * | 2017-05-12 | 2017-09-08 | 中国航发北京航空材料研究院 | A kind of sector with dot matrix cooling structure obturages block preparation method |
| CN107138726A (en) * | 2017-05-12 | 2017-09-08 | 中国航发北京航空材料研究院 | A kind of guide vane preparation method with dot matrix cooling structure |
-
2014
- 2014-12-31 CN CN201420872156.4U patent/CN204402579U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107138727A (en) * | 2017-05-12 | 2017-09-08 | 中国航发北京航空材料研究院 | A kind of sector with dot matrix cooling structure obturages block preparation method |
| CN107138726A (en) * | 2017-05-12 | 2017-09-08 | 中国航发北京航空材料研究院 | A kind of guide vane preparation method with dot matrix cooling structure |
| CN107138727B (en) * | 2017-05-12 | 2019-10-18 | 中国航发北京航空材料研究院 | A kind of sector with dot matrix cooling structure obturages block preparation method |
| CN107138726B (en) * | 2017-05-12 | 2019-11-22 | 中国航发北京航空材料研究院 | A kind of guide vane preparation method with dot matrix cooling structure |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204402579U (en) | Ring end face seal structure held by a kind of gas turbine turbine | |
| CN202780077U (en) | Gear shaving fixture for timing gears of crankshafts | |
| CN103567746B (en) | A kind of mounting or dismounting tools of shaft coupling and mounting and dismounting method | |
| CN203495189U (en) | Water mist cooling device of aluminium alloy hub mold | |
| CN204402578U (en) | A kind of gas turbine turbine stator blade elastic sealing structure | |
| CN204402572U (en) | A kind of gas turbine turbine stator blade seal ring supporting structure | |
| CN208795156U (en) | A kind of circle cylinder barrel degree of deformation detecting tool | |
| CN202746016U (en) | Gas turbine assembly structure | |
| CN103433734B (en) | Pipe fitting pressed labor outfit and pressing method on a kind of engine | |
| CN103447399A (en) | Oil way system of lubricating ring of hole enlarging head | |
| CN106671321B (en) | Vulcanizer central mechanism and tire vulcanizer with split type holding ring | |
| CN204627679U (en) | A kind of turbine cylinder horizontal flange sealing configuration | |
| CN202780078U (en) | Shaving fixture for large idle gears | |
| CN203615913U (en) | Rapid detection device for heavy vehicle axle housing assembly big disk surface welding height | |
| CN212919181U (en) | Internal combustion locomotive cylinder sleeve and water jacket separating device | |
| CN221258011U (en) | Dry ice production device capable of saving energy and increasing yield | |
| CN203470696U (en) | Oil circuit system of lubricating ring of expanding head | |
| CN106321837A (en) | Steel pipe inner diameter inflation seal device | |
| CN204935208U (en) | A kind of cylinder knife machining mechanism of T-shaped ram main shaft | |
| CN204159888U (en) | A kind of structure ensureing disk spring centering | |
| CN203579548U (en) | Tool for rapidly disassembling angle seat valve executor | |
| CN202639819U (en) | Motor train unit pressure cylinder combination assembling tool | |
| CN204344614U (en) | A kind of pump body locating and machining pin structure | |
| CN203865839U (en) | Tooling for mounting and dismounting supporting roll of diameter-expanding head | |
| CN203542991U (en) | Injection mould capable of conveniently mounting and dismounting cooling spraying pipe |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: End surface tight sealing structure of turbine holding ring of gas turbine Effective date of registration: 20161104 Granted publication date: 20150617 Pledgee: Tsinghua Holdings Co., Ltd. Pledgor: Beijing Huatsing Gas Turbine & IGCC Technology Co., Ltd. Registration number: 2016990000853 |
|
| PLDC | Enforcement, change and cancellation of contracts on pledge of patent right or utility model | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20191211 Granted publication date: 20150617 Pledgee: Tsinghua Holdings Co., Ltd. Pledgor: Beijing Huatsing Gas Turbine & IGCC Technology Co., Ltd. Registration number: 2016990000853 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20191231 Address after: 102209 Beijing Changping District in the future of the national electric investment group Park in the future science city south of Beijing Patentee after: China United heavy-duty gas turbine technology Co., Ltd. Address before: 100084 No. 8, building 1, No. 1001, Zhongguancun East Road, Beijing, Haidian District Patentee before: Beijing Huatsing Gas Turbine & IGCC Technology Co., Ltd. |
|
| TR01 | Transfer of patent right |