CN106601115B - A kind of aero-engine removable disk drum type rotor experimental bench - Google Patents
A kind of aero-engine removable disk drum type rotor experimental bench Download PDFInfo
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- CN106601115B CN106601115B CN201710044425.6A CN201710044425A CN106601115B CN 106601115 B CN106601115 B CN 106601115B CN 201710044425 A CN201710044425 A CN 201710044425A CN 106601115 B CN106601115 B CN 106601115B
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- G—PHYSICS
- G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- G09B—EDUCATIONAL OR DEMONSTRATION APPLIANCES; APPLIANCES FOR TEACHING, OR COMMUNICATING WITH, THE BLIND, DEAF OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; DIAGRAMS
- G09B25/00—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes
- G09B25/02—Models for purposes not provided for in G09B23/00, e.g. full-sized devices for demonstration purposes of industrial processes; of machinery
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Abstract
The invention discloses a kind of aero-engine removable disk drum type rotor experimental benches, it can clearly show the structure and working principle of removable disk drum type rotor, and related experiment can be carried out on experimental bench, it is convenient to the use of teaching demonstration and research work, used technical solution are as follows: including the motor being sequentially coaxially arranged on pedestal, rear axle, rotor subject and front axle, the output shaft of motor passes through shaft coupling and rear axis connection, rotor subject is set on rear axle and front axle, rear axle is supported on rear bearing block by bearing, front axle is supported on front-end bearing pedestal by bearing, the motor, shaft coupling, rear bearing block and front-end bearing pedestal are each attached on pedestal, the rotor subject includes the nine grades of wheel discs and labyrinth being fixedly connected sequentially, several blades are installed on every grade of wheel disc, the rear axle and labyrinth are connected, it is described Front axle and third level wheel disc are connected.
Description
Technical field
The present invention relates to aero-engine educational aid technical fields, and in particular to a kind of aero-engine removable disk drum
Type rotor testbed.
Background technique
This kind of for aero-engine large-sized power equipment, rotor, can be due to during operation (especially starting)
A variety of causes makes unit generate vibration, and unit damage is even resulted in when vibration exceeding the standard.This vibration is often drawn by following failure
Hair, rotor quality imbalance, rotor bow, rotor misalignment, gap deficiency etc..With aero-engine towards high-performance,
A possibility that high efficiency develops, and vibrates greatly increases.Therefore the mechanism of vibration is studied, correct diagnosis generates the original vibrated
Cause and pre- vibration proof are most important to the safety of unit.Major institute school aeronautical engineering relevant speciality is also all by " aero-gas turbine engine
Machine principle " for course as important Key curriculum, aeroengine rotor testing stand is " aero-gas turbine principle " class
The important laboratory apparatus of journey experiment understands classroom knowledge for student, increases practical experience and plays an important role.
Associated product category is various in existing market, and simulation and the rotor coupled vibration that rotor oscillation state may be implemented are special
Property detection, realize teaching purpose.But the problem that the generally existing rotor type of existing product is single, almost without for boat
The experimental bench of empty engine removable disk drum type rotor, causes in field research, student's indigestion removable disk drum type rotor
Design feature and working principle, reduce classroom efficiency, while influencing the further development of education activities.
Therefore, in view of the above problems, making to learn it is necessary to design a kind of aero-engine removable disk drum type rotor experimental bench
Life can touch aero-engine removable disk drum type rotor on the spot, provide conveniently for relevant experimental teaching and research work.
Summary of the invention
In order to solve the problems in the prior art, the present invention proposes a kind of aero-engine removable disk drum type rotor experiment
Platform can clearly show the structure and working principle of removable disk drum type rotor, and can carry out related experiment on experimental bench,
It is convenient to the use of teaching demonstration and research work.
In order to achieve the goal above, the technical scheme adopted by the invention is as follows: including the electricity being sequentially coaxially arranged on pedestal
Motivation, rear axle, rotor subject and front axle, the output shaft of motor is by shaft coupling and rear axis connection, after rotor subject is set in
On axis and front axle, rear axle is supported on rear bearing block by bearing, and front axle is supported on front-end bearing pedestal by bearing, described electronic
Machine, shaft coupling, rear bearing block and front-end bearing pedestal are each attached on pedestal, and the rotor subject includes nine grades to be fixedly connected sequentially
Wheel disc and labyrinth are installed with several blades on every grade of wheel disc, and the rear axle and labyrinth are connected, the front axle and the third level
Wheel disc is connected.
Nine grades of wheel discs and labyrinth offer centre bore, and the outer end of the front axle is supported on front-end bearing pedestal, interior
End is fixedly connected across the centre bore of first order wheel disc and second level wheel disc with third level wheel disc；The outer end of the rear axle is supported on
On rear bearing block, inner end is fixedly connected with labyrinth.
The front axle is hollow flange axis, and front axle back segment, third step cone are provided between third level wheel disc and fourth stage wheel disc
Be evenly equipped with through-hole on disk and front axle back segment, preceding shaft flange, third level wheel disc and front axle back segment connected by lag bolt it is integral, it is preceding
Annular boss is respectively provided on axis back segment and fourth stage wheel disc, and two annular boss are welded to connect.
The front axle is equipped with for the flange to front-end bearing pedestal bearing axially position, and gradual change type is used between axis and flange
Excessively, transition is equipped with comb tooth.
The rear axle is ladder flange shaft, and rear axle outer end is solid shafting, is offered on solid shafting for connecting with shaft coupling
Keyway；Rear axle inner end is hollow flange axis, is provided with flanged (FLGD) boss, the 7th grade of wheel disc, the 8th grade on the 6th grade of wheel disc
Through-hole, the 6th grade of wheel disc boss, the 7th grade of wheel disc, the 8th grade of wheel disc, the 9th are evenly equipped on wheel disc, the 9th grade of wheel disc and labyrinth
Grade wheel disc, labyrinth are connected with rear shaft flange by stay bolt integral.
The first order wheel disc, the 6th grade of wheel disc, the 7th grade of wheel disc, the 8th grade of wheel disc and the 9th grade of wheel disc are all made of unilateral
Drum barrel structure, is provided with flange on the outside of the drum barrel of the 7th grade of wheel disc, the 8th grade of wheel disc and the 9th grade of wheel disc, the flange with it is previous
Grade wheel disc outer rim is cooperatively connected；Second level wheel disc, third level wheel disc, fourth stage wheel disc and level V wheel disc use bilateral drum barrel knot
Structure.
Swallow-tail form tongue-and-groove is opened up on the wheel rim of the wheel disc at different levels, the tenon of blade and the swallow-tail form tongue-and-groove of wheel disc, which cooperate, to be connected
It connects, and is fixed using locking plate.
The transversal cross-section shape of the blade is all made of C4 type section, and uses identical aspect ratio.
Compared with prior art, motor, rear axle, rotor subject and front axle is arranged in the present invention on pedestal, by motor
Power is provided, is connected between motor and rear axle by shaft coupling, the labyrinth on the output end connection rotor subject of rear axle, benefit
Rotor subject is driven with rear axle, rotor subject is made of the vaned wheel disc of the different installation of nine level structures and labyrinth, passes through
Different connection types is connected as an entirety, and front axle is connected on the three-level wheel disc of rotor subject, play supporting role, rotor fortune
The simulation of row situation and the research of components correlation properties are realized by rotor subject, and aero-engine removable disk drum is carried out
When type rotor operation shows experiment, start motor, the operation demonstration of aero-engine removable disk drum type rotor can be realized, often
A certain number of blades are fitted on grade wheel disc, corresponding sensor can be installed on blade, study the vibration feelings of blade
Influence of the vibration of the arrangement and blade of condition and blade to disc strength, can be realized to rotor blade and rotor body vibration
The research of characteristic.The simulation that the present invention realizes aero-engine removable disk drum type rotor operation conditions is related to each components
The purpose of the research of characteristic can clearly show the structure and working principle of removable disk drum type rotor, and can be in experimental bench
Upper carry out related experiment, is convenient to the use of teaching demonstration and research work.
Further, front axle and rear axle all use hollow shaft to design, to greatest extent close to multiaxial type aeroengine rotor
Truth, convenient for showing the working principle of aeroengine compressor armature spindle and high-pressure compressor rotor axis.
Further, first order wheel disc is to, using being welded to connect, actual display aero-engine is removable between the 6th grade of wheel disc
Unload the connection type between disk drum type rotor wheel disc, position while welding connection and reasonable arrangement, can property to weld seam under working condition into
Row detection is welded to connect the influence to drum barrel intensity convenient for research.
Further, the 6th grade of wheel disc is connected between wheel disc, labyrinth and rear axle using stay bolt to the 9th grade, actual display
Connection type between aero-engine removable disk drum type rotor wheel disc, and it is convenient for the handling of wheel disc.Using the long spiral shell of multiple groups
It tethers and connects rotor subject and rear axle, it, additionally can be with convenient for studying influence of the arrangement to rotor body vibration characteristic of stay bolt
Study influence of the tools for bolts ' pretension degree to rotor body vibration characteristic.
Detailed description of the invention
Fig. 1 is perspective view of the invention；
Fig. 2 is the perspective view of front axle；
Fig. 3 is the perspective view of rear axle；
Fig. 4 is the amplification stereogram of blade and wheel disc mounting means；
Fig. 5 is the perspective view of rotor subject；
Fig. 6 is perspective view of the rotor subject first order wheel disc to level V wheel disc and front axle after the assembly is completed；
Fig. 7 is the 6th grade of wheel disc of rotor subject to the 9th grade of perspective view of wheel disc and labyrinth, rear axle after the assembly is completed；
Wherein, 1 motor, 2 shaft couplings, 3 rear bearing blocks, 4 rear axles, 5 rotor subjects, 6 front axles, 7 front-end bearing pedestals, 8 pedestals,
9 first order wheel discs, 10 second level wheel discs, 11 third level wheel discs, 12 fourth stage wheel discs, 13 level V wheel discs, 14 the 6th grades of wheel discs,
15 the 7th grades of wheel discs, 16 the 8th grades of wheel discs, 17 the 9th grades of wheel discs, 18 labyrinths, 19 blades, 20 locking plates, 21 lag bolts, 22 spiral shells
Female, 23 front axle back segments, 24 stay bolts.
Specific embodiment
Below with reference to specific embodiment and Figure of description the present invention will be further explained explanation.
The present invention includes motor 1, removable disk drum type rotor and pedestal 8；Motor 1 and removable disk drum type rotor are solid
It is scheduled on pedestal 8；Removable disk drum type rotor includes front-end bearing pedestal 7, rear bearing block 3, front axle 6, rear axle 4 and rotor subject 5；Before
Bearing block 7 and rear bearing block 3 are fixed on pedestal 8, and front axle 6 is equipped on front-end bearing pedestal 7, is equipped with rear axle on rear bearing block 3
4；Rear axle 4 is input shaft, and front axle 6 only play supporting role, and equipment is rotor subject 5；Front axle 6 and rear axle 4 pass through bearing branch
Support is on front-end bearing pedestal 7 and rear bearing block 3；Front axle 6 is connected on the third level wheel disc 11 of rotor subject 5；Rear axle 4, which is connected to, to be turned
On the labyrinth 18 of sub- main body 5；It is connected between 5 third level wheel disc 11 of front axle 6 and rotor subject using lag bolt 21；Rear axle 4 with
It is connected between the labyrinth 18 of rotor subject 5 using stay bolt 24；The output shaft of motor 1 connects rear axle 4 by shaft coupling 2
The output end of input terminal, rear axle 4 is connected to rotor subject 5 by stay bolt 24.
Rotor subject 5 includes nine grades of wheel discs and labyrinth 18, and peace turns have several blades 19, all nine step cones on every grade of wheel disc
Disk and labyrinth 18 are all provided with centre bore；First order wheel disc 9 and 10 centre bore aperture of second level wheel disc are big compared with other wheel discs, so as to
6 rear end of front axle can pass through；Using welded connecting between first order wheel disc 9 and second level wheel disc 10；Second level wheel disc 10 and third
Using welded connecting between grade wheel disc 11；Third level wheel disc 11 is connect with the mode that front axle 6, front axle back segment 23 are connected by screw bolts
At an entirety；Front axle back segment 23 and fourth stage wheel disc 12 are using welded connecting；Third level wheel disc 11 and fourth stage wheel disc 12 it
Between using be welded to connect；Fourth stage wheel disc 12 and level V wheel disc 13 are using welded connecting；Level V wheel disc 13 and the 6th step cone
Disk 14 is using welded connecting；6th grade of wheel disc 14 and the 7th grade of wheel disc 15, the 8th grade of wheel disc 16, the 9th grade of wheel disc 17, labyrinth
18, the mode that rear axle 4 is connected by screw bolts connects into an entirety.
The transversal cross-section shape for the blade 19 installed on wheel discs at different levels is all made of C4 type section, using identical aspect ratio,
Blade afterbody is all made of basic model axial direction swallow-tail form tenon.It is provided on wheel disc wheel rims at different levels angled with Pivot axle
Tongue-and-groove, the tongue-and-groove on wheel discs at different levels are all made of basic model axial direction swallow-tail form tongue-and-groove；Pass through swallow between each grade blade and corresponding wheel disc
Tail shape tongue-and-groove and tenon are cooperatively connected, fixed using locking plate 20.
First order wheel disc 9 uses unilateral drum barrel structure, second level wheel disc 10, third level wheel disc 11, fourth stage wheel disc 12, the
Pyatyi wheel disc 13 uses bilateral drum barrel structure；The front side of fourth stage wheel disc 12 has a loop boss, adopts with front axle back segment 23
It is connected as one with the mode of welding；6th grade of wheel disc 14, the 7th grade of wheel disc 15, the 8th grade of wheel disc 16, the 9th grade of wheel disc 17 are adopted
With unilateral drum barrel structure；6th grade of wheel disc 14 has a boss for having flange without the design of drum barrel side, and through-hole symmetrically divides on flange
Cloth；7th grade of wheel disc 15, the 8th grade of wheel disc 16 are all provided with the through-hole around distribution substantially symmetrical about its central axis on the 9th grade of wheel disc 17；7th
Grade wheel disc 15, the 8th grade of wheel disc 16, the 9th grade of wheel disc 17 drum barrel on the outside of be machined with flange, flange is matched with previous stage wheel disc outer rim
Close connection.For connecting the 6th grade of wheel disc 14, the 7th grade of wheel disc 15, the 8th grade of wheel disc 16, the 9th grade of wheel disc 17,18 and of labyrinth
The threaded connector of rear axle 4 uses stay bolt 24 and nut 22；For connecting third level wheel disc 11, front axle 6 and front axle back segment 23
Threaded connector use lag bolt 21 and nut 22.
Referring to Fig. 1, the present invention includes: motor 1, shaft coupling 2, front-end bearing pedestal 7, rear bearing block 3, pedestal 8, rear axle 4, preceding
Axis 6, rotor subject 5.
Motor 1, front-end bearing pedestal 7 and rear bearing block 3 are fixed on pedestal 8；The output shaft of motor 1 passes through shaft coupling 2
The input terminal of rear axle 4 is connected, the output end of rear axle 4 connects the labyrinth 18 on rotor subject 5 using stay bolt 24；Rotor subject
5 are made of the different wheel disc for being equipped with blade 19 of nine level structures and labyrinth 18, and are connected as by different connection types
One entirety；Front axle 6 is connected on the third level wheel disc 11 of rotor subject 5 using lag bolt 21, is only play supporting role.
The present invention is related to each components special with the simulation for realizing aero-engine removable disk drum type rotor operation conditions
For the purpose of the research of property.The simulation of rotor operation situation and the research of components correlation properties pass through rotor subject 5 and realize；It is dynamic
Power is provided by motor 1；It is connected between motor 1 and rear axle 4 by shaft coupling 2.Carry out aero-engine removable disk drum type
When rotor operation shows experiment, start motor 1, the operation demonstration of aero-engine removable disk drum type rotor can be realized,
Sensor appropriate is arranged in corresponding position, and the research to rotor blade 19 and rotor body vibration characteristic can be realized.
Referring to fig. 2, front axle 6 is hollow flange axis, and shaft end is supported on bearing, and the flange on axis is used for front-end bearing pedestal bearing
Axially position；The three-level wheel disc of flange and rotor subject connects, and the through-hole on flange is using symmetrical；Between axis and flange
It is excessive using gradual change type, comb tooth is machined in transition.
Referring to Fig. 3, rear axle 4 is ladder flange shaft, and the left end shaft shoulder is used for the axially position of shaft coupling；After axis upper flange is used for
The axially position of bearing block bearing；The labyrinth of flange and rotor subject connects, and the through-hole on flange is using symmetrical；Axis with
It is excessive using gradual change type between flange；It illustrates rear axle left end portion to design using solid shafting, to facilitate the processing of keyway, and guarantee
The intensity of keyway.
Referring to fig. 4, Fig. 5, rotor subject 5 include first order wheel disc 9, second level wheel disc 10, third level wheel disc 11, the fourth stage
Wheel disc 12, level V wheel disc 13, the 6th grade of wheel disc 14, the 7th grade of wheel disc 15, the 8th grade of wheel disc 16, the 9th grade of wheel disc 17, comb tooth
Disk 18, blade 19, locking plate 20.
The displaying of removable disk drum type rotor structure & working mechanism is the critical function of the experimental bench, removable disk drum type
The structure of rotor is varied, this experimental bench is intended to show that the structure of stay-bolt formula removable disk drum type rotor and work are former
Reason.According to the practical structures of removable disk drum type rotor, every grade of wheel disc and labyrinth 18 are all provided with centre bore on rotor subject 5,
For convenience of the installation of front axle 6, the centre bore of first order wheel disc 9 and second level wheel disc 10 is big compared with other wheel discs, in addition every grade of wheel disc
Upper peace turns have several blades 19, and the dove-tail form tongue-and-groove angled with Pivot axle, blade are provided on wheel disc wheel rims at different levels
19 dove-tail form tenon and wheel disc chase mortise uses locking plate 20 fixed using excessively mating connection.First order wheel disc 9 is using unilateral
Drum barrel structure, second level wheel disc 10, third level wheel disc 11, fourth stage wheel disc 12, level V wheel disc 13 use bilateral drum barrel structure,
The through-hole around distribution substantially symmetrical about its central axis is provided on third level wheel disc 11, the front side of fourth stage wheel disc 12 has a loop boss.
6th grade of wheel disc 14, the 7th grade of wheel disc 15, the 8th grade of wheel disc 16, the 9th grade of wheel disc 17 and labyrinth 18 use unilateral drum barrel knot
Structure, the 6th grade of wheel disc 14 have a boss for having flange without the design of drum barrel side, and through-hole is symmetrical on flange, the 7th grade of wheel disc
15, the through-hole around distribution substantially symmetrical about its central axis, the 7th step cone are all provided on the 8th grade of wheel disc 16, the 9th grade of wheel disc 17 and labyrinth 18
Disk 15, the 8th grade of wheel disc 16, the 9th grade of wheel disc 17 and labyrinth 18 drum barrel on the outside of be machined with flange, flange and previous stage wheel disc
Outer rim is using interference fit connection.19 cross section of blade is all made of C4 blade profile, and uses identical aspect ratio.
Referring to Fig. 6, Fig. 7, between each components of rotor subject 5 and the connection side of rotor subject 5 and front axle 6 and rear axle 4
Formula is different.The common connection type of removable disk drum type rotor has stay bolt connection, lag bolt connection and welding, this experiment
Platform is intended to the structure and working principle that closing to reality situation shows rod-pulling type removable disk drum type rotor, and the connection type of use has
Welding, stay bolt connection are connected with lag bolt.Main connector includes lag bolt 21, stay bolt 24, nut 22.
In rotor subject, using being welded to connect between first order wheel disc 9 and second level wheel disc 10, second level wheel disc 10 and the
Using being welded to connect between three-level wheel disc 11, third level wheel disc 11 and front axle 6, front axle back segment 23 use lag bolt 21 to connect into one
Body, the through-hole on 23 flange of 6 flange of front axle, three-level wheel disc 11 and front axle back segment should be in three-level wheel disc 11 and front axle 6, front axle back segment
23 once drill out after the assembly is completed.Annular boss on front axle back segment 23 and level Four wheel disc 12 is using welded connecting, third step cone
Using being welded to connect between disk 11 and fourth stage wheel disc 12, fourth stage wheel disc 12 and level V wheel disc 13 are used and are welded to connect, the
Pyatyi wheel disc 13 and six grades of wheel discs 14 are using being welded to connect, the 6th grade of wheel disc 14 and the 7th grade of wheel disc 15, the 8th grade of wheel disc 16, the
Nine grades of wheel discs 17, labyrinth 18, rear axle 4 are linked into an integrated entity using stay bolt 24, the 6th grade of 14 flange of wheel disc, the 7th grade of wheel disc
15, the 8th grade of wheel disc 16, the 9th grade of wheel disc 17, labyrinth 18, the through-hole on 4 flange of rear axle should be in the 6th grade of wheel discs 14 and the 7th
Grade wheel disc 15, the 8th grade of wheel disc 16, the 9th grade of wheel disc 17, labyrinth 18, rear axle 4 once drill out after the assembly is completed.Above-mentioned welding
Connection is all made of friction welding (FW).
The present invention proposes a kind of aero-engine removable disk drum type rotor experimental bench, to solve field research experiment and section
It grinds in activity, aero-gas turbine structure & working mechanism lecture experiment process, content shows that unintelligible and rotor structure is endless
Whole problem.Belong to the technological invention in aeroengine rotor Test-bed Design field, have it is practical, have a wide range of application,
The advantages that production cost is low, easy to operate, displaying is clear.
Claims (8)
1. a kind of aero-engine removable disk drum type rotor experimental bench, which is characterized in that including sequentially coaxially being set on pedestal (8)
Motor (1), rear axle (4), rotor subject (5) and the front axle (6) set, the output shaft of motor (1) is by shaft coupling (2) with after
Axis (4) connection, rotor subject (5) are set on rear axle (4) and front axle (6), and rear axle (4) is supported on rear bearing block by bearing
(3) on, front axle (6) is supported on front-end bearing pedestal (7) by bearing, the motor (1), shaft coupling (2), rear bearing block (3)
It is each attached on pedestal (8) with front-end bearing pedestal (7), the rotor subject (5) includes the nine grades of wheel discs and comb being fixedly connected sequentially
Fluted disc (18) is installed with several blades (19) on every grade of wheel disc, arranges sensor appropriate in blade corresponding position；After described
Axis (4) and labyrinth (18) are connected, and the front axle (6) and third level wheel disc (11) are connected；The front axle (6) is hollow flange
Axis, the rear axle (4) are ladder flange shaft, and rear axle (4) outer end is solid shafting, and rear axle (4) inner end is hollow flange axis；
Using welded connecting between first order wheel disc (9) and second level wheel disc (10)；Second level wheel disc (10) and third level wheel disc
(11) using welded connecting between；Front axle back segment (23) and fourth stage wheel disc (12) are using welded connecting；Third level wheel disc (11)
Using welded connecting between fourth stage wheel disc (12)；Fourth stage wheel disc (12) and level V wheel disc (13) are using welded connecting；
Level V wheel disc (13) is with the 6th grade of wheel disc (14) using welded connecting；
Flanged (FLGD) boss, the 7th grade of wheel disc (15), the 8th grade of wheel disc (16), the 9th step cone are provided on 6th grade of wheel disc (14)
Through-hole, the 6th grade of wheel disc (14) boss, the 7th grade of wheel disc (15), the 8th grade of wheel disc are evenly equipped on disk (17) and labyrinth (18)
(16), the 9th grade of wheel disc (17), labyrinth (18) and rear shaft flange are connected integral by stay bolt (24).
2. a kind of aero-engine removable disk drum type rotor experimental bench according to claim 1, which is characterized in that described
Nine grades of wheel discs and labyrinth (18) offer centre bore, and the outer end of the front axle (6) is supported on front-end bearing pedestal (7), inner end
It is fixedly connected across the centre bore of first order wheel disc (9) and second level wheel disc (10) with third level wheel disc (11)；The rear axle (4)
Outer end be supported on rear bearing block (3), inner end is fixedly connected with labyrinth (18).
3. a kind of aero-engine removable disk drum type rotor experimental bench according to claim 2, which is characterized in that third
It is provided with front axle back segment (23) between grade wheel disc (11) and fourth stage wheel disc (12), on third level wheel disc (11) and front axle back segment (23)
It is evenly equipped with through-hole, preceding shaft flange, third level wheel disc (11) and front axle back segment (23) connect integral, front axle by lag bolt (21)
Annular boss is respectively provided on back segment (23) and fourth stage wheel disc (12), and two annular boss are welded to connect.
4. a kind of aero-engine removable disk drum type rotor experimental bench according to claim 3, which is characterized in that described
Front axle (6) is equipped with for the flange to front-end bearing pedestal bearing axially position, excessive using gradual change type between axis and flange, excessively
Section is equipped with comb tooth.
5. a kind of aero-engine removable disk drum type rotor experimental bench according to claim 2, which is characterized in that described
The keyway for connecting with shaft coupling (2) is offered on solid shafting.
6. a kind of aero-engine removable disk drum type rotor experimental bench according to claim 4, which is characterized in that described
First order wheel disc (9), the 6th grade of wheel disc (14), the 7th grade of wheel disc (15), the 8th grade of wheel disc (16) and the 9th grade of wheel disc (17) are equal
Using unilateral drum barrel structure, it is arranged on the outside of the drum barrel of the 7th grade of wheel disc (15), the 8th grade of wheel disc (16) and the 9th grade of wheel disc (17)
There is flange, the flange and previous stage wheel disc outer rim are cooperatively connected；Second level wheel disc (10), third level wheel disc (11), the fourth stage
Wheel disc (12) and level V wheel disc (13) use bilateral drum barrel structure.
7. a kind of aero-engine removable disk drum type rotor experimental bench according to claim 1, which is characterized in that described
Swallow-tail form tongue-and-groove is opened up on the wheel rim of wheel discs at different levels, the tenon of blade (19) and the swallow-tail form tongue-and-groove of wheel disc are cooperatively connected, and adopt
It is fixed with locking plate (20).
8. a kind of aero-engine removable disk drum type rotor experimental bench according to claim 7, which is characterized in that described
The transversal cross-section shape of blade (19) is all made of C4 type section, and uses identical aspect ratio.
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| CN201710044425.6A CN106601115B (en) | 2017-01-21 | 2017-01-21 | A kind of aero-engine removable disk drum type rotor experimental bench |
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| CN201710044425.6A CN106601115B (en) | 2017-01-21 | 2017-01-21 | A kind of aero-engine removable disk drum type rotor experimental bench |
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| CN109278539A (en) * | 2018-11-05 | 2019-01-29 | 中国科学院沈阳自动化研究所 | A kind of wheeled robot Omni-mobile chassis |
| CN112240226B (en) * | 2019-07-18 | 2022-07-12 | 中国航发商用航空发动机有限责任公司 | Rotor assembly, aircraft engine and assembly method of rotor assembly |
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