CN105458647B - Rotor and assembly method of the stator axial gap without the power turbine for adjusting - Google Patents
Rotor and assembly method of the stator axial gap without the power turbine for adjusting Download PDFInfo
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- CN105458647B CN105458647B CN201510812741.4A CN201510812741A CN105458647B CN 105458647 B CN105458647 B CN 105458647B CN 201510812741 A CN201510812741 A CN 201510812741A CN 105458647 B CN105458647 B CN 105458647B
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- rotor
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- power turbine
- adjustment
- thrust bearing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Turbine Rotor Nozzle Sealing (AREA)
Abstract
The present invention relates to a kind of assembly method of power turbine, and in particular to a kind of rotor and assembly method of the stator axial gap without the power turbine for adjusting.Technical scheme is：A kind of rotor and the assembly method of power turbine of the stator axial gap without adjustment, comprise the following steps：First, rotor and stator axial direction spacing are calculated；2nd, the installation of frock；The 3rd, changeover portion component is installed；The 4th, rotor is installed；The 5th, Split Casing component is installed；6th, support case after installing；7th, thrust bearing is installed and other rear axles holds associated component；8th, assemble.The assembly method of the power turbine of rotor and stator axial gap without adjustment that the present invention is provided, realizes the assembling of power turbine and effectively ensures that rotor meets requirement with stator axial gap.
Description
Technical field
The present invention relates to a kind of assembly method of power turbine, and in particular to a kind of rotor is with stator axial gap without adjustment
Power turbine assembly method.
Background technology
As shown in Figure 1, a kind of power turbine includes rotor and stator, and stator includes changeover portion component, Split Casing group
Part and rear support case, Split Casing component are that changeover portion component and rear support case are domain structure to opening structure.Its rotor
Thrust bearing is provided between stator, inner ring mounting surface and stator and shaft washer between rotor and thrust bearing inner ring
Between outer shroud mounting surface do not design adjusting pad, cause rotor to be adjusted with stator axial gap.During assembling, it is necessary to thrust
The inner ring mounting surface of bearing is consistent with outer shroud mounting surface, therefore cannot realize that level is assembled, and assembles be difficult to ensure that vertically
Turn the requirement of stator axial gap, it is necessary to be realized by frock.
The content of the invention
The present invention provides the assembly method of a kind of rotor and power turbine of the stator axial gap without adjustment, realizes power whirlpool
The assembling of wheel simultaneously effectively ensures that rotor meets requirement with stator axial gap.
Technical scheme is as follows：
A kind of rotor and the assembly method of power turbine of the stator axial gap without adjustment, comprise the following steps：
First, rotor and stator axial direction spacing are calculated：Measurement rotor front end face is to interior between rotor and thrust bearing inner ring
The length Y of ring mounting surface, the length of measurement changeover portion component front end face to the outer shroud mounting surface between stator and shaft washer
Degree X, calculating difference Z=X-Y, Z are rotor with stator axial direction spacing；
2nd, the installation of frock：Turnable assembling base is placed on vertical state, locating shaft is arranged on adjustment axle
The base center, locating shaft is fixed together with adjustment axle, adjusts axle with the base to be threadedly coupled；Adjusting pad is consolidated
Dingan County is on locating shaft；Mounting platform is fixedly mounted on base upper surface, seam and hole, the hole are set on mounting platform
Coordinate with locating shaft and install；By rotating the height of adjustment axial adjustment locating shaft, make on the upper surface of adjusting pad and mounting platform
The difference in height of end face is Z values；
The 3rd, changeover portion component is installed：Changeover portion component is arranged on mounting platform, is positioned by seam, utilized
Screw is fixed on mounting platform；
The 4th, rotor is installed：Suspender is arranged on rotor, rotor is installed under vertical state, make rotor front end face with adjustment
Pad laminating, pulls down suspender；
The 5th, Split Casing component is installed：Support is arranged on mounting platform, the support is divided into left and right two halves, will pad
Plate is linked together by adjustment bolt with support, and the rear end of backing plate upper surface and changeover portion component is made by rotating adjustment bolt
Face is highly consistent；Split Casing component is, to opening structure, Split Casing component upper half to be hung on support, by Split Casing
Component ecto-entad is pushed to installation site, and Split Casing component upper half is fixed on changeover portion component by connecting bolt one
Together, same mode installs Split Casing component lower half and fixed, the installation split installation side connecting bolt of Split Casing component
Two；
6th, support case after installing：Rear support case is arranged on Split Casing component, and with connecting bolt three by after
Support case is fixed together with Split Casing component；Under this state, the inner ring peace between rotor and thrust bearing inner ring
Outer shroud mounting surface between dress face and stator and shaft washer is highly consistent, it is ensured that the installation position of thrust bearing
Put；
7th, thrust bearing is installed and other rear axles holds associated component：Internal ring of thrust bearing leading portion, thrust bearing are installed successively
Outer shroud, internal ring of thrust bearing back segment, distance collar, bearing inner ring, outer race, clamp nut, sealing teeth, clamp nut, rear envelope
Yan Huan, speed measuring device；
8th, assemble：The power turbine that will be assembled is pulled down and overturn to horizontality, on power turbine base,
Protecgulum is installed.
Described rotor and assembly method of the stator axial gap without the power turbine for adjusting, its preferred scheme is, described
Roller is installed on backing plate.
Beneficial effects of the present invention are：The assembling of the achievable power turbine of the present invention, and be effectively ensured and turn stator axial direction
Clearance requirement.
Brief description of the drawings
Fig. 1 is power turbine structural representation；
Fig. 2 is tool structure schematic diagram；
Fig. 3 is changeover portion component installation diagram；
Fig. 4 is rotor installation diagram；
Fig. 5 is support installation diagram；
Fig. 6 is A direction views in Fig. 5；
Fig. 7 is partial enlarged drawing at B in Fig. 5；
Fig. 8 is Split Casing component installation diagram；
Fig. 9 is rear support case installation diagram；
Figure 10 is partial enlarged drawing at C in Fig. 9.
Specific embodiment
As shown in Fig. 1~10, a kind of assembly method of the power turbine of rotor and stator axial gap without adjustment, including such as
Lower step：
First, rotor 1 is calculated with stator axial direction spacing：The measurement front end face of rotor 1 is between rotor 1 and the inner ring of thrust bearing 5
Inner ring mounting surface 7 length Y, the front end face of measurement changeover portion component 2 to the outer shroud installation between stator and the outer ring of thrust bearing 5
The length X in face 8, calculating difference Z=X-Y, Z are rotor 1 with stator axial direction spacing；
2nd, the installation of frock：Turnable assembling base 11 is placed on vertical state, by locating shaft 13 and adjustment axle 12
Installed in the center of the base 11, locating shaft 13 is fixed together with adjustment axle 12, adjustment axle 12 and the base 11 with
Threaded connection；Adjusting pad 14 is fixedly mounted on locating shaft 13；Mounting platform 15 is fixedly mounted on the upper surface of base 11, is installed
Seam and hole are set on platform 15, and the hole coordinates with locating shaft 13 installs；Locating shaft 13 is adjusted by rotating adjustment axle 12
Highly, the upper surface of adjusting pad 14 and the difference in height of the upper surface of mounting platform 15 is made to be Z values；
The 3rd, changeover portion component 2 is installed：Changeover portion component 2 is arranged on mounting platform 15, is positioned by seam,
It is fixed on mounting platform 15 using screw；
The 4th, rotor 1 is installed：Suspender 16 is arranged on rotor 1, rotor 1 is installed under vertical state, make the front end face of rotor 1
Fitted with adjusting pad 14, pull down suspender 16；
The 5th, Split Casing component 3 is installed：Support 17 is arranged on mounting platform 15,17 points of the support is left and right two
Half, backing plate 18 is linked together by adjustment bolt 20 with support 17, roller 19 is installed on the backing plate 18；Adjusted by rotating
Whole bolt 20 makes the upper surface of backing plate 18 be highly consistent with the rear end face of changeover portion component 2；Split Casing component 3 is split knot
Structure, the upper half of Split Casing component 3 is hung on support, and the ecto-entad of Split Casing component 3 is pushed into installation site, will be split
The upper half of casing component 3 is fixed together with changeover portion component 2 by connecting bolt one, and same mode installs Split Casing component
3 lower half are simultaneously fixed, install the split installation side connecting bolt two of Split Casing component 3；
6th, support case 4 after installing：Rear support case 4 is arranged on Split Casing component 3, and with connecting bolt three
Rear support case 4 is fixed together with Split Casing component 3；Under this state, between rotor 1 and the inner ring of thrust bearing 5
Inner ring mounting surface 7 and the height of outer shroud mounting surface 8 between stator and the outer ring of thrust bearing 5 be consistent, it is ensured that thrust shaft
Hold 5 installation site；
7th, thrust bearing 5 is installed and other rear axles holds associated component：Internal ring of thrust bearing leading portion, thrust shaft are installed successively
Hold outer shroud, internal ring of thrust bearing back segment, distance collar, bearing inner ring, outer race, clamp nut, sealing teeth, clamp nut, after
Obturage ring, speed measuring device；
8th, assemble：The power turbine that will be assembled is pulled down and overturn to horizontality, on power turbine base,
Protecgulum 6 is installed.
Claims (2)
1. the assembly method of the power turbine of rotor and stator axial gap without adjustment, it is characterised in that comprise the following steps：
First, rotor and stator axial direction spacing are calculated：Measurement rotor front end face is pacified to the inner ring between rotor and thrust bearing inner ring
The length Y in dress face, the length X of measurement changeover portion component front end face to the outer shroud mounting surface between stator and shaft washer,
Calculating difference Z=X-Y, Z are rotor with stator axial direction spacing；
2nd, the installation of frock：Turnable assembling base is placed on vertical state, locating shaft is arranged on described with adjustment axle
Base center, locating shaft is fixed together with adjustment axle, adjusts axle with the base to be threadedly coupled；Adjusting pad fixes peace
On locating shaft；Mounting platform is fixedly mounted on base upper surface, seam and hole, the Kong Yuding are set on mounting platform
Position axle coordinates to be installed；By rotating the height of adjustment axial adjustment locating shaft, make the upper surface of adjusting pad and mounting platform upper surface
Difference in height be Z values；
The 3rd, changeover portion component is installed：Changeover portion component is arranged on mounting platform, is positioned by seam, using screw
It is fixed on mounting platform；
The 4th, rotor is installed：Suspender is arranged on rotor, rotor is installed under vertical state, rotor front end face is pasted with adjusting pad
Close, pull down suspender；
The 5th, Split Casing component is installed：Support is arranged on mounting platform, the support is divided into left and right two halves, and backing plate is led to
Cross adjustment bolt to be linked together with support, make backing plate upper surface high with the rear end face of changeover portion component by rotating adjustment bolt
Degree is consistent；Split Casing component is, to opening structure, Split Casing component upper half to be hung on support, by Split Casing component
Ecto-entad is pushed to installation site, and Split Casing component upper half and changeover portion component are fixed on into one by connecting bolt one
Rise, same mode installs Split Casing component lower half and fixed, the installation split installation side connecting bolt two of Split Casing component；
6th, support case after installing：Rear support case is arranged on Split Casing component, and with connecting bolt three by rear load
Casing is fixed together with Split Casing component；Under this state, the inner ring mounting surface between rotor and thrust bearing inner ring
And the outer shroud mounting surface between stator and shaft washer is highly consistent, it is ensured that the installation site of thrust bearing；
7th, thrust bearing is installed and other rear axles holds associated component：Install outside internal ring of thrust bearing leading portion, thrust bearing successively
Ring, internal ring of thrust bearing back segment, distance collar, bearing inner ring, outer race, clamp nut, sealing teeth, clamp nut, after obturage
Ring, speed measuring device；
8th, assemble：The power turbine that will be assembled is pulled down and overturn to horizontality, on power turbine base, is installed
Protecgulum.
2. the assembly method of the power turbine of rotor according to claim 1 and stator axial gap without adjustment, its feature
It is that roller is installed on the backing plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510812741.4A CN105458647B (en) | 2015-11-20 | 2015-11-20 | Rotor and assembly method of the stator axial gap without the power turbine for adjusting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510812741.4A CN105458647B (en) | 2015-11-20 | 2015-11-20 | Rotor and assembly method of the stator axial gap without the power turbine for adjusting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105458647A CN105458647A (en) | 2016-04-06 |
| CN105458647B true CN105458647B (en) | 2017-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510812741.4A Active CN105458647B (en) | 2015-11-20 | 2015-11-20 | Rotor and assembly method of the stator axial gap without the power turbine for adjusting |
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| CN109238104B (en) * | 2018-11-21 | 2020-05-05 | 安徽江淮汽车集团股份有限公司 | Double-clutch axial clearance detection device and detection method |
| CN109516362B (en) * | 2018-11-30 | 2019-10-22 | 中国航发沈阳黎明航空发动机有限责任公司 | The suspender and its application method of a kind of while hoisting rotor and stator component |
| CN109339869B (en) * | 2018-11-30 | 2021-04-02 | 中国航发沈阳黎明航空发动机有限责任公司 | Aeroengine high-pressure turbine rotor centering device and use method thereof |
| CN109357595B (en) * | 2018-12-07 | 2020-07-21 | 中国航发南方工业有限公司 | Method for measuring axial clearance between centrifugal impeller and impeller housing |
| CN111663970B (en) * | 2019-03-06 | 2022-08-12 | 中国航发商用航空发动机有限责任公司 | Aircraft engine assembling method |
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| CN114535982A (en) * | 2022-04-02 | 2022-05-27 | 中国航发沈阳发动机研究所 | Aeroengine doublestage high whirlpool stator unit body assembly fixture |
| CN114688100B (en) * | 2022-05-31 | 2022-09-02 | 成都中科翼能科技有限公司 | Assembly method of gas compressor of gas turbine engine |
| CN114918871B (en) * | 2022-06-29 | 2023-09-22 | 中国航发动力股份有限公司 | Rotor assembly frame and application method thereof |
| CN115319456B (en) * | 2022-07-06 | 2023-12-05 | 中国船舶重工集团公司第七0三研究所 | Assembling method for cylindrical gas turbine compressor casing |
| CN115431013B (en) * | 2022-08-15 | 2024-04-09 | 北京动力机械研究所 | Turbofan engine casing press-fitting device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| SE395174B (en) * | 1975-08-19 | 1977-08-01 | Stal Laval Turbin Ab | PROCEDURE FOR INSTALLING A TURBO MACHINE AND TOOLS FOR PERFORMING THE PROCEDURE |
| FR2515734A1 (en) * | 1981-11-05 | 1983-05-06 | Snecma | SYSTEM FOR ADJUSTING THE CENTERING OF A TURBOMACHINE WHEEL AND TURBOMACHINE PROVIDED WITH MEANS FOR APPLYING SAID SYSTEM |
| DE102005052077B4 (en) * | 2005-10-28 | 2016-11-24 | Man Diesel & Turbo Se | Device for the lateral mounting and dismounting of a compressor barrel |
| CN102330605B (en) * | 2011-09-05 | 2013-06-26 | 沈阳黎明航空发动机(集团)有限责任公司 | Heavy combustion engine assembling method for assembling rotor and front and rear supports in combining manner |
| CN103056653B (en) * | 2013-01-11 | 2015-12-02 | 沈阳黎明航空发动机(集团)有限责任公司 | A kind of bracket type core machine assembly method |
| CN103586827B (en) * | 2013-11-11 | 2015-06-24 | 沈阳黎明航空发动机(集团)有限责任公司 | Axial-flow compressor unit body component assembling device and method |
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Address after: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee after: Chinese Hangfa Shenyang Liming Aero engine limited liability company Address before: 110043 Dong TA street, Dadong District, Shenyang, Liaoning Province, No. 6 Patentee before: Liming Aeroplane Engine (Group) Co., Ltd., Shenyang City |
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