CN106257256B - A kind of rotor-support-foundation system with fulcrum decentraction adjusting apparatus - Google Patents
A kind of rotor-support-foundation system with fulcrum decentraction adjusting apparatus Download PDFInfo
- Publication number
- CN106257256B CN106257256B CN201610489309.0A CN201610489309A CN106257256B CN 106257256 B CN106257256 B CN 106257256B CN 201610489309 A CN201610489309 A CN 201610489309A CN 106257256 B CN106257256 B CN 106257256B
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- Prior art keywords
- fulcrum
- support
- rotor
- decentraction
- shaft
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- 238000005096 rolling process Methods 0.000 claims abstract description 21
- 230000008878 coupling Effects 0.000 claims abstract description 15
- 238000010168 coupling process Methods 0.000 claims abstract description 15
- 238000005859 coupling reaction Methods 0.000 claims abstract description 15
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 15
- 230000007704 transition Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims 1
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003745 diagnosis Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M7/00—Vibration-testing of structures; Shock-testing of structures
- G01M7/02—Vibration-testing by means of a shake table
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Manufacture Of Motors, Generators (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The present invention provides a kind of rotor-support-foundation system with fulcrum decentraction adjusting apparatus, the rotor-support-foundation system at least has there are one fulcrum decentraction adjusting apparatus, wherein, fulcrum one is fulcrum decentraction adjusting apparatus, two middle part perforation hole surface of fulcrum coordinates with rolling bearing, fulcrum one and fulcrum two are mounted side by side on pedestal, and fulcrum one and fulcrum two are connect by rolling bearing with shaft, support shaft rotation.Driving motor is mounted on two side of fulcrum, is connect with shaft by shaft coupling, drives shaft rotation.The transferring domain of fulcrum one and interior adjustment ring are adjustment ring, and the two can generate the deviation of rolling bearing centre-height by relative rotation, so that the centre-height of the rolling bearing of fulcrum one and fulcrum two is generated deviation, lead to rotor-support-foundation system decentraction.The present invention can realize the eccentric adjustment in extent of the error H of rotor-support-foundation system, rotor vibration test device that is easy to operate, easy for assemble or unload and being suitable for laboratory's principle fulcrum decentraction adjustment.
Description
Technical field
The invention belongs to rotary machine rotor system test fields, are related to a kind of turn with fulcrum decentraction adjusting apparatus
Subsystem.
Background technology
It is found in the vibration-testing of large rotating machinery, fault diagnosis and processing procedure at the scene in recent years, rotor-support-foundation system
It is quite prominent to misalign problem, and fulcrum decentraction can cause the complex vibration of rotating machinery, and then causes bearing load not
More a series of problems such as equilibrium, bearing friction damage, shaft coupling deflection, Oil Film Instability and shaft flexing deformation aggravation, with this
Relevant failure accounts for the 50%-60% of the system failure.Therefore, research fulcrum decentraction rotor-support-foundation system vibration performance testing with
Analysis method has particularly significant realistic meaning.
The experimental study of fulcrum decentraction at present is less, and the adjusting apparatus of fulcrum decentraction amount is also relatively simple, and fulcrum is not
Amount, which commonly use, with one heart raises fulcrum bearing by increasing gasket or is adjusted in fulcrum shaft bearing, and when increase gasket needs adjustment bearing
Seat, it is possible to change bearing block screw-down torque and position are unfavorable for the single influence factor testing experiment of experiment, and discontinuous
Adjustment.Another method realizes the adjustment of fulcrum decentraction by the height of leading screw or threaded adjusting structural adjustment pedestal, but
Structure is relative complex and most adjustings that can only be directed to either vertically or horizontally single direction.
Invention content
For prior art central bearing point decentraction tradition method of adjustment there are the problem of, the present invention provides a kind of rotor-support-foundation system
Fulcrum decentraction adjusting apparatus, meet eccentric adjustment demand of the rotor-support-foundation system in extent of the error H.
Technical scheme is as follows：
A kind of rotor-support-foundation system with fulcrum decentraction adjusting apparatus, the rotor-support-foundation system include fulcrum 1, shaft 2, fulcrum
23, shaft coupling 4, driving motor 5 and pedestal 6.
The fulcrum 1 is fulcrum decentraction adjusting apparatus；There are consistent via holes at 23 middle part of fulcrum, penetrates through
Hole surface coordinates with rolling bearing, and the fulcrum one and 23 lower part of fulcrum are fixedly connected with pedestal 6 by bolt, are pacified side by side
On pedestal 6；The fulcrum 1 and fulcrum 23 is connect by rolling bearing with shaft 2, and support shaft 2 rotates.It is described
Driving motor 5 be located at 23 side of fulcrum, connect with shaft 2 by shaft coupling 4, drive shaft 2 rotate, the shaft coupling 4
For yielding coupling or positive coupling.The driving motor 5 is fixedly connected by bolt with pedestal 6.The rotor-support-foundation system is extremely
There are one fulcrum decentraction adjusting apparatus for few tool.
The fulcrum 1 includes support base 11, transition connection ring 12, the transferring domain 13, interior adjustment ring 14, connection ring
15, bearing block 16 and rolling bearing 17.
The transition connection ring 12 is bolted to connection with support base 11, and the transferring domain 13 connects with transition
It connects ring 12 to be bolted to connection, the interior adjustment ring 14 is bolted to connection with the transferring domain 13, the company
It connects ring 15 to be fixedly connected by bolt 15 with interior adjustment ring 14, for adjusting support stiffness；Built in 16 inside of bearing block
Rolling bearing 17, bearing block 16 are fixedly connected with connection ring 15, and the spring bearing 17 is rolling bearing, is used to support shaft
2 rotation.
13 side of the transferring domain is equipped with annular strip hole 133 and connecting hole 134, annular strip hole 133 be used for
Support base 11 connects, and for transferring domain connecting hole 134 for being fixedly connected with interior adjustment ring 14, the transferring domain 13 is in side wall thickness one
The thin gradual change wall thickness of side wall.14 side of interior adjustment ring is equipped with annular strip hole 143 and interior adjustment ring connecting hole 144, interior
Adjustment ring 14 is in the thin gradual change wall thickness of side wall thickness one side wall.The connection ring 15 is mouse cage type structure or telescoping structure.
The transferring domain 13 and interior adjustment ring 14 of the fulcrum 1 are adjustment ring, and the two can generate the axis of rolling by relative rotation
The deviation for holding centre-height makes the centre-height of the rolling bearing of fulcrum 1 and fulcrum 23 generate deviation, leads to rotor-support-foundation system
Decentraction.
The principle of the invention is：The transferring domain outer circle center of circle and transferring domain endoporus center of circle decentraction, the two center of circle offset distance
From H.The interior adjustment ring outer circle center of circle and the center of circle decentraction of interior adjustment ring endoporus, offset distance H.The transferring domain center and branch
Point axis line overlaps, and the inner ring center of interior regulation ring overlaps with shaft axis, inner ring roundlet and outer ring great circle there are eccentricity H,
When the small small circle center of bowlder inner ring of rotary inner ring is along transferring domain center rotation over angle, then interior adjustment ring is relative to the transferring domain
Decentraction is generated, and then the generation of rotor fulcrum is made to misalign.
Beneficial effects of the present invention are：The present invention can realize the eccentric adjustment in extent of the error H of rotor-support-foundation system, behaviour
Make rotor vibration test device that is simple, easy for assemble or unload and being adjusted suitable for laboratory's principle fulcrum decentraction.
Description of the drawings
Fig. 1 is rotor-support-foundation system structural schematic diagram；
Fig. 2 is rotor-support-foundation system fulcrum structure schematic cross-sectional view；
Fig. 3 is with decentraction adjusting apparatus fulcrum concrete structure sectional view；
Fig. 4 is with decentraction adjusting apparatus fulcrum concrete structure three dimensional sectional view；
Fig. 5 a are transferring domain sectional view；
Fig. 5 b are transferring domain front view；
Fig. 6 a are interior adjustment ring sectional view；
Fig. 6 b are interior adjustment ring front view；
Fig. 7 is rotor-support-foundation system fulcrum decentraction state one；
Fig. 8 is rotor-support-foundation system fulcrum decentraction state two；
In figure：1 fulcrum one；2 shafts；3 fulcrums two；4 shaft couplings；5 driving motors；6 pedestals；11 support bases；12 transition connect
Connect ring；The 13 transferring domains；Adjustment ring in 14；15 connection rings；16 bearing blocks；17 rolling bearings；131 transferring domain outer circles；Outside 132
Adjustment ring endoporus；133 transferring domain annular strip holes；134 transferring domain connecting holes；Adjustment ring outer circle in 141；Adjustment in 142
Ring endoporus；Adjustment ring annular strip hole in 143；Adjustment ring connecting hole in 144.
Specific implementation mode
Below in conjunction with drawings and examples, the invention will be further described.It is said herein with two fulcrum rotor-support-foundation system examples
It is bright, but this patent do not limit to two fulcrum rotor-support-foundation systems, can apply branched rotor-support-foundation system, in the protection domain of this patent
Within.
In conjunction with Fig. 1, a kind of rotor-support-foundation system with fulcrum decentraction adjusting apparatus, the rotor-support-foundation system includes fulcrum 1, turns
Axis 2, fulcrum 23, shaft coupling 4, driving motor 5 and pedestal 6.The fulcrum 1 is fulcrum decentraction adjusting apparatus；Described
23 middle part of fulcrum has consistent via holes, perforation hole surface to coordinate with rolling bearing, and the fulcrum one and 23 lower part of fulcrum are logical
It crosses bolt to be fixedly connected with pedestal 6, be mounted side by side on pedestal 6；The fulcrum 1 and fulcrum 23 by rolling bearing with
Shaft 2 connects, and support shaft 2 rotates.The driving motor 5 is located at 23 side of fulcrum, is connected by shaft coupling 4 and shaft 2
It connects, shaft 2 is driven to rotate, the shaft coupling 4 is yielding coupling or positive coupling.The driving motor 5 passes through spiral shell
Bolt is fixedly connected with pedestal 6.
In conjunction with Fig. 2, which at least has there are one fulcrum decentraction adjusting apparatus 1.
In conjunction with Fig. 3 and Fig. 4, the fulcrum 1 is fulcrum decentraction adjusting apparatus, including support base 11, transition connection
Ring 12, the transferring domain 13, interior adjustment ring 14, connection ring 15, bearing block 16, rolling bearing 17.The transition connection ring 12 with
Support base 11 is bolted to connection, and the transferring domain 13 is bolted to connection with transition connection ring 12, described
Interior adjustment ring 14 be bolted to connection with the transferring domain 13, the connection ring 15 and interior adjustment ring 14 pass through bolt 15
It is fixedly connected, for adjusting support stiffness；Rolling bearing 17, bearing block 16 and connection ring 15 built in 16 inside of bearing block
It is fixedly connected, the spring bearing 17 is rolling bearing, is used to support the rotation of shaft 2.
In conjunction with Fig. 5 a and Fig. 5 b are combined, 13 side of the transferring domain is equipped with annular strip hole 133 and connecting hole 134,
Annular strip hole 133 with support base 11 for connecting, and connecting hole 134 with interior adjustment ring 14 for being fixedly connected.The transferring domain 13
131 center of circle O of outer circle11With 132 center of circle O of endoporus12Decentraction, the two center of circle offset distance H, the transferring domain 13 is in side wall thickness
The thin gradual change wall thickness of one side wall.
In conjunction with Fig. 6 a and Fig. 6 b are combined, the interior adjustment ring side is equipped with annular strip hole 143 and connecting hole 144, ring
Shape strip hole 143 with the transferring domain 13 for connecting, equipped with connecting hole 134 for being fixedly connected with 15 with connection ring, interior adjustment ring
14 outer circle, 141 center of circle O21With 142 center of circle O of endoporus22Decentraction, offset distance H, interior adjustment ring 14 is in side wall thickness one side wall
Thin gradual change wall thickness.
The connection ring 15 is mouse cage type structure or telescoping structure.Connection ring 15 and bearing block 16 can be integral type
Structure, this patent do not limit to and specific structure type.
In conjunction with Fig. 7, Fig. 8, illustrate that the adjustment principle of decentraction adjusting apparatus, outer ring great circle are transferring domain center O11, with
Fulcrum axis line overlaps, and inner ring roundlet is the inner ring center O of interior regulation ring22, overlapped with shaft axis.Inner ring roundlet and outer ring are big
There are eccentricity H for circle, as shown in fig. 7, working as the small circle center O of the small bowlder inner ring of rotary inner ring22Along transferring domain center O11It rotates through
Angle, θ, then interior adjustment ring 14 generates decentraction relative to the transferring domain 13, and then the generation of rotor fulcrum is made to misalign, rotor branch
Amount (horizontal direction, vertical direction) is during point is different：
Claims (3)
1. a kind of rotor-support-foundation system with fulcrum decentraction adjusting apparatus, which is characterized in that the rotor-support-foundation system includes fulcrum one
(1), shaft (2), fulcrum two (3), shaft coupling (4), driving motor (5) and pedestal (6)；
The fulcrum one (1) is fulcrum decentraction adjusting apparatus；There are a through hole, through hole table in the middle part of the fulcrum two (3)
Face coordinates with rolling bearing, and the fulcrum one (1) and fulcrum two (3) are mounted side by side on pedestal (6)；The fulcrum one
(1) it is connect with shaft (2) by rolling bearing with fulcrum two (3), support shaft (2) rotates；Driving motor (5) installation
On pedestal (6), it is located at fulcrum two (3) side, is connect with shaft (2) by shaft coupling (4), shaft (2) is driven to rotate；
The fulcrum one (1) includes support base (11), transition connection ring (12), the transferring domain (13), interior adjustment ring (14), connects
Connect ring (15), bearing block (16) and rolling bearing (17)；
The transition connection ring (12) and support base (11), the transferring domain (13) and transition connection ring (12), interior adjustment ring
(14) it is bolted to connection respectively with the transferring domain (13)；The connection ring (15) and the fixed company of interior adjustment ring (14)
It connects, the rigidity for adjusting support base (11)；Rolling bearing (17) built in described bearing block (16) inside, is used to support shaft
(2) rotation；Bearing block (16) is fixedly connected with connection ring (15), is used to support the rotation of shaft (2)；
Described transferring domain (13) side is equipped with annular strip hole (133) and connecting hole (134), annular strip hole (133) and
Support base (11) connects, and transferring domain connecting hole (134) is fixedly connected with interior adjustment ring (14), and the transferring domain (13) is in one side wall
The thin gradual change wall thickness of thick one side wall；Described interior adjustment ring (14) side is equipped with annular strip hole (143) and is connected with interior adjustment ring
Hole (144), interior adjustment ring (14) is in the thin gradual change wall thickness of side wall thickness one side wall.
2. rotor-support-foundation system according to claim 1, which is characterized in that the rotor-support-foundation system at least has there are one fulcrum decentraction
Adjusting apparatus.
3. rotor-support-foundation system according to claim 1 or 2, which is characterized in that the connection ring (15) is mouse cage type structure
Or telescoping structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610489309.0A CN106257256B (en) | 2016-06-28 | 2016-06-28 | A kind of rotor-support-foundation system with fulcrum decentraction adjusting apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610489309.0A CN106257256B (en) | 2016-06-28 | 2016-06-28 | A kind of rotor-support-foundation system with fulcrum decentraction adjusting apparatus |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106257256A CN106257256A (en) | 2016-12-28 |
| CN106257256B true CN106257256B (en) | 2018-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610489309.0A Expired - Fee Related CN106257256B (en) | 2016-06-28 | 2016-06-28 | A kind of rotor-support-foundation system with fulcrum decentraction adjusting apparatus |
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| Country | Link |
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| CN (1) | CN106257256B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108663214B (en) * | 2018-04-28 | 2020-09-18 | 北京航天动力研究所 | Supporting assembly for high-speed rotor analog simulation test and test method |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3569380B2 (en) * | 1996-03-22 | 2004-09-22 | 株式会社日立ユニシアオートモティブ | Method of correcting imbalance of vehicle propulsion shaft |
| CN2295868Y (en) * | 1997-03-28 | 1998-10-28 | 周生文 | Eccentricity adjustable eccentric bearing |
| CN1696630B (en) * | 2004-12-27 | 2010-04-28 | 西北工业大学 | Method and equipment for measuring torsional vibration of rotating mechanical rotor |
| US20090031802A1 (en) * | 2007-08-03 | 2009-02-05 | General Electric Company | Rotor alignment system and method |
| CN102937178A (en) * | 2012-10-31 | 2013-02-20 | 中国北方发动机研究所(天津) | Gear axis position adjustable mechanism |
| CN202994070U (en) * | 2012-12-26 | 2013-06-12 | 神华集团有限责任公司 | Centering detection mechanism for rotor in motor transmission assembly |
| CN203742984U (en) * | 2014-03-02 | 2014-07-30 | 胡艳 | Centering adjusting frame device for rotor of oil transfer pump |
| CN103884501B (en) * | 2014-04-04 | 2016-09-14 | 华北电力大学（保定） | A kind of Multifunctional rotor laboratory table |
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| CN106257256A (en) | 2016-12-28 |
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Granted publication date: 20180724 |