CN106017795A - Compressor rotor balancing clamp - Google Patents
Compressor rotor balancing clamp Download PDFInfo
- Publication number
- CN106017795A CN106017795A CN201610482146.3A CN201610482146A CN106017795A CN 106017795 A CN106017795 A CN 106017795A CN 201610482146 A CN201610482146 A CN 201610482146A CN 106017795 A CN106017795 A CN 106017795A
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- China
- Prior art keywords
- low
- compressor rotor
- pressure
- rocker
- spacing cylinder
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M1/00—Testing static or dynamic balance of machines or structures
- G01M1/02—Details of balancing machines or devices
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- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a compressor rotor balancing clamp which balances a low-pressure compressor rotor. The low-pressure compressor rotor comprises a low-pressure shaft, a case wrapping the low-pressure shaft, a bearing sleeving one end portion of the low-pressure shaft and a low-pressure internal support arranged in the case and fixedly connected with the low-pressure shaft. The compressor rotor balancing clamp comprises a first swing frame which is arranged on the other end portion of the low-pressure shaft to fixedly support the low-pressure compressor rotor, a second swing frame which is arranged on the bearing to radially position and support the low-pressure compressor rotor, a positioning rack which is arranged on the low-pressure internal support to radially position the low-pressure compressor rotor, and an axial positioning mechanism which is connected with the first swing frame, the second swing frame and the positioning rack to axial position the low-pressure compressor rotor. The technical problem of bouncing during low-speed dynamic balancing test of the low-pressure compressor rotor is solved, the positioning is reliable, the accuracy is high, the structure is simple, the weight is light and the operation is convenient. Test data obtained are stable, and test requirements of an engine are met.
Description
Technical field
The present invention relates to dynamic balancing tooling field of fixtures, especially, relate to a kind of compressor rotor balancing fixture.
Background technology
Low-pressure compressor rotor is the important component part of aero-engine, along with the development of science and technology, the property of aero-engine
Can improve constantly.If low-pressure compressor rotor main is made up of supporting in casing, low-pressure shaft, bearing and the low pressure of thin-walled shape.By
Structure in low-pressure compressor rotor is belonging to flexible and rigidity mixture, finds when carrying out low-speed balancing test, low pressure pressure
The concentricity of mechanism of qi rotor is difficult to ensure that, makes test produce and beats, thus affects verity and the stability of test data.
Therefore, the jumping phenomena that low-pressure compressor rotor occurs when low-speed balancing is tested, is that a technology urgently to be resolved hurrily is asked
Topic.
Summary of the invention
The invention provides a kind of compressor rotor balancing fixture, when low-speed balancing is tested solving low-pressure compressor rotor
The technical problem of existing jumping phenomena.
The technical solution used in the present invention is as follows:
The present invention provides a kind of compressor rotor balancing fixture, is used for balancing low-pressure compressor rotor, and low-pressure compressor rotor includes
Low-pressure shaft, the casing of cladding low-pressure shaft, be set in the bearing of low-pressure shaft one end and be arranged in casing to fix with low-pressure shaft and be connected
Low pressure in supporting, compressor rotor balancing fixture include being arranged on low-pressure shaft the other end for fixing support low-pressure compressor
First rocker of rotor, arrange and support the second rocker of low-pressure compressor rotor for radially location, be arranged on low pressure on upper bearing (metal)
For radially positioning the locating rack of low-pressure compressor rotor in interior supporting, and it is connected with the first rocker, the second rocker and locating rack
For axially positioning the axial positioning mechanism of low-pressure compressor rotor.
Further, axial positioning mechanism includes being arranged between the first rocker and locating rack for axially positioning the first rocker and determining
Position the first spacing cylinder of frame and be arranged between locating rack and the second rocker for axially location locating rack and the second rocker
Two spacing cylinders.
Further, axial positioning mechanism also includes that location is drawn for connecting the first spacing cylinder and the positioning tie bar of the second spacing cylinder
Bar sequentially passes through and locks the first rocker, the first spacing cylinder, locating rack, the second spacing cylinder and the second rocker, by the first rocker,
First spacing cylinder, locating rack, the second spacing cylinder and the second rocker are combined into an overall structure.
Further, the quantity of positioning tie bar, the first spacing cylinder and the second spacing cylinder is more than two and positioning tie bar, first fixed
It is uniformly distributed away from cylinder and the second spacing cylinder circumferentially direction.
Further, the first rocker includes the first positioning shaft sleeve being sleeved on low-pressure shaft and is fixedly installed on the first positioning shaft sleeve
For radially extending the first support plate of the first positioning shaft sleeve.
Further, locating rack includes being fixedly installed on the first location dish of the side of the interior supporting of low pressure and fixing with the first location dish
Be connected the second support plate for radially extending the first location dish.
Further, the second rocker include pressure ring that the second positioning shaft sleeve being sleeved on bearing and the second positioning shaft sleeve match,
It is fixedly connected on the second location dish of the side of the second positioning shaft sleeve and is fixedly linked for radially extending with the second location dish
3rd support plate of two location dishes.
Further, the first support plate is provided with on the first through hole, the second support plate be provided with the second through hole, the 3rd support plate is provided with
Third through-hole, the first spacing cylinder is arranged between the first through hole and the second through hole, and the second spacing cylinder is arranged on the second through hole and the 3rd
Between through hole, positioning tie bar sequentially passes through the first through hole, the first spacing cylinder, the second through hole, the second spacing cylinder and third through-hole will
First rocker, locating rack and the second rocker carry out axial lock.
Further, the first location dish in axial direction extends and fixing with the end face of casing is connected, and the second location dish is vertically
Direction extends and fixing with the other end of casing is connected.
Further, the upper end of the first location dish is provided with the suspension ring for lifting by crane low-pressure compressor rotor, under the first location dish
End is provided with the planar ends for being placed on flat board.
The method have the advantages that
The compressor rotor balancing fixture that the present invention provides, in using low-pressure compressor rotor upper bearing (metal) and low pressure, supporting is axially determined
Position low-pressure compressor rotor, positions support low-pressure compressor rotor by being arranged on the rocker in low-pressure compressor two ends of rotor portion,
And utilize the axial positioning mechanism being arranged on rocker that low-pressure compressor rotor is axially positioned, thus solve low pressure pressure
The technical problem of the jumping phenomena that mechanism of qi rotor occurs when low-speed balancing is tested, the present invention positions reliably, degree of accuracy high, knot
Structure is simple, lightweight, easy to operate；The test data obtained is stable, meets the test requirements document of electromotor.
In addition to objects, features and advantages described above, the present invention also has other objects, features and advantages.Below
Will be with reference to figure, the present invention is further detailed explanation.
Accompanying drawing explanation
The accompanying drawing of the part constituting the application is used for providing a further understanding of the present invention, the illustrative examples of the present invention and
Its explanation is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
Fig. 1 is the structural representation of low-pressure compressor rotor；
Fig. 2 is the structural representation of compressor rotor balancing fixture preferred embodiment of the present invention；
Fig. 3 is the structural representation of the first location dish preferred embodiment in Fig. 2.
Drawing reference numeral illustrates:
10, the first rocker；20, the second rocker；30, locating rack；40, axial positioning mechanism；41, the first spacing cylinder；42、
Second spacing cylinder；43, positioning tie bar；11, the first positioning shaft sleeve；12, the first support plate；31, the first location dish；32, second
Support plate；21, the second positioning shaft sleeve；22, pressure ring；23, the second location dish；24, the 3rd support plate；311, suspension ring；312, flat
Face end；50, low-pressure shaft；60, casing；70, bearing；80, supporting in low pressure.
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the application and the feature in embodiment can be mutually combined.
Describe the present invention below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
Seeing figures.1.and.2, the preferred embodiments of the present invention provide a kind of compressor rotor balancing fixture, are used for balancing low pressure pressure
Mechanism of qi rotor, low-pressure compressor rotor includes low-pressure shaft 50, the casing 60 of cladding low-pressure shaft 50, is set in low-pressure shaft 50 one end
The bearing 70 in portion fixes supporting 80 in the low pressure being connected, this compressor rotor balance clamp with low-pressure shaft 50 in being arranged on casing 60
Tool include being arranged on low-pressure shaft 50 the other end for fixing support low-pressure compressor rotor the first rocker 10, upper bearing (metal) is set
Support the second rocker 20 of low-pressure compressor rotor on 70 for radially location, be arranged in the interior supporting 80 of low pressure for radially fixed
The locating rack 30 of position low-pressure compressor rotor, and be connected for axially with first rocker the 10, second rocker 20 and locating rack 30
The axial positioning mechanism 40 of location low-pressure compressor rotor.The compressor rotor balancing fixture that the present embodiment provides, calms the anger low pressure
Bearing 70 and the interior supporting 80 of low pressure on machine rotor axially position low-pressure compressor rotor as positioning datum, by being arranged on
The rocker in low-pressure compressor two ends of rotor portion positions support low-pressure compressor rotor, and utilizes the axial location being arranged on rocker
Low-pressure compressor rotor is axially positioned by mechanism 40, thus solves low-pressure compressor rotor when low-speed balancing is tested
The technical problem of jumping phenomena occurred, the present embodiment location is reliable, degree of accuracy height, simple in construction, lightweight, easy to operate；
The test data obtained is stable, meets the test requirements document of electromotor.
Preferably, as in figure 2 it is shown, the compressor rotor balancing fixture that the present embodiment provides, axial positioning mechanism 40 includes arranging
Between the first rocker 10 and locating rack 30 for axially location the first rocker 10 and the first spacing cylinder 41 of locating rack 30, with
And be arranged between locating rack 30 and the second rocker 20 for axially location locating rack 30 and the second spacing cylinder of the second rocker 20
42.Because the rocker of compressor rotor balancing fixture is a pair hard bearing rocker, load capacity requires.The present embodiment is by by
One spacing cylinder 41 and the second spacing cylinder 42 are designed to hollow-core construction, and by strength check, the present embodiment hollow-core construction meets
Test requirements document, reaches weight loss effect.
Preferably, the compressor rotor balancing fixture that the present embodiment provides, the drive system of low-speed balancing equipment is belt drives
Mode, and the activation point of low-pressure compressor rotor is located on low-pressure shaft 50.Therefore, in the present embodiment, by belt installation position
Put and be arranged on the middle part of low-pressure shaft 50 and between the first rocker 10 and locating rack 30, thus facilitate belt to install, again will not
Reduce rigidity and the weight of compressor rotor balancing fixture, it is most important that do not interfere with precision.
Preferably, as in figure 2 it is shown, the compressor rotor balancing fixture that the present embodiment provides, axial positioning mechanism 40 also includes using
In connecting the first spacing cylinder 41 and positioning tie bar 43 of the second spacing cylinder 42, positioning tie bar 43 sequentially passes through and locks the first rocker
10, the first spacing cylinder 41, locating rack the 30, second spacing cylinder 42 and the second rocker 20, by first rocker the 10, first spacing cylinder
41, locating rack the 30, second spacing cylinder 42 and the second rocker 20 are combined into an overall structure.The present embodiment passes through positioning tie bar 43
First rocker the 10, first spacing cylinder 41, locating rack the 30, second spacing cylinder 42 and the second rocker 20 are combined into an overall structure,
Simple in construction, the convenient beneficial effect manufactured and repair are reached.
Preferably, the compressor rotor balancing fixture that the present embodiment provides, positioning tie bar the 43, first spacing cylinder 41 and the second spacing
The quantity of cylinder 42 is more than two and positioning tie bar the 43, first spacing cylinder 41 and the second spacing cylinder 42 circumferentially direction is uniformly distributed.
Specifically, in the present embodiment, the quantity of positioning tie bar the 43, first spacing cylinder 41 and the second spacing cylinder 42 is 4.This
Embodiment positions and reinforces compressor rotor balancing fixture by the equally distributed many positioning tie bars 43 in circumferentially direction, location
Reliably, degree of accuracy height, simple in construction, lightweight, easy to operate；The test data obtained is stable, meets the test of electromotor
Requirement.
Preferably, as in figure 2 it is shown, the compressor rotor balancing fixture that the present embodiment provides, the first rocker 10 includes being sleeved on low
The first positioning shaft sleeve 11 on last item 50 and being fixedly installed on the first positioning shaft sleeve 11 for radially extending the first positioning shaft sleeve 11
The first support plate 12.Locating rack 30 supports the first location dish 31 of the side of 80 and determines with first in including being fixedly installed on low pressure
Position dish 31 is fixedly linked the second support plate 32 for radially extending the first location dish 31.Second rocker 20 includes being sleeved on bearing
Pressure ring 22 that the second positioning shaft sleeve 21 on 70 matches with the second positioning shaft sleeve 21, it is fixedly connected on the second positioning shaft sleeve 21
The second location dish 23 of side and be fixedly linked for radially extending the 3rd of the second location dish 23 with the second location dish 23
Support plate 24.Be provided with on first support plate 12 on first through hole, the second support plate 32 and be provided with the second through hole, the 3rd support plate 24 is arranged
Having third through-hole, the first spacing cylinder 41 is arranged between the first through hole and the second through hole, and the second spacing cylinder 42 is arranged on second and leads to
Between hole and third through-hole, positioning tie bar 43 sequentially passes through the first through hole, first spacing cylinder the 41, second through hole, the second spacing cylinder
42 and third through-hole the first rocker 10, locating rack 30 and the second rocker 20 are carried out axial lock.What the present embodiment provided calms the anger
Machine rotor balancing fixture, first support plate the 12, second support plate 32 and the 3rd support plate 24 by extending in a radial direction axially are determined
Position compressor rotor balancing fixture, thus take full advantage of existing material, it is possible to the most adaptive all kinds of low-pressure shafts 50, carry
The versatility of high pressure gas machine rotor balancing fixture.
Preferably, as in figure 2 it is shown, the compressor rotor balancing fixture that the present embodiment provides, the first location dish 31 is in axial direction
Extend and fixing with the end face of casing 60 be connected, the second location dish 23 in axial direction extend and with the other end of casing 60
Fixing connection.The present embodiment in axial direction extends the first location dish 31 by edge and the second location dish 23 fixes phase with casing 60
Even, strengthen the fastness of compressor rotor balancing fixture so that position more reliable, degree of accuracy is higher, the test number of acquirement
According to stable, meet the test requirements document of electromotor.
Preferably, as it is shown on figure 3, the compressor rotor balancing fixture that the present embodiment provides, the upper end of the first location dish 31 is installed
Having the suspension ring 311 for lifting by crane low-pressure compressor rotor, the lower end of the first location dish 31 is provided with flat for be placed on flat board
Face end 312.The present embodiment, by installing suspension ring 311 in the upper end of the first location dish 31, is moved easily；At the first location dish 31
Lower end planar ends 312 is set, be conveniently placed on flat board, so that the first location dish 31 is indeformable.The present embodiment solves pressure
The problem that mechanism of qi rotor balancing fixture inconvenience is moved and taken care of, and ensure that the correctness of positioning precision and test data.
The foregoing is only the preferred embodiments of the present invention, be not limited to the present invention, for those skilled in the art
For, the present invention can have various modifications and variations.All within the spirit and principles in the present invention, any amendment of being made, etc.
With replacement, improvement etc., should be included within the scope of the present invention.
Claims (10)
1. a compressor rotor balancing fixture, is used for balancing low-pressure compressor rotor, described low-pressure compressor rotor include low-pressure shaft,
It is coated with the casing of described low-pressure shaft, is set in the bearing of described low-pressure shaft one end and is arranged in described casing and described low pressure
Axle fixes the interior supporting of low pressure of connection, it is characterised in that described compressor rotor balancing fixture includes being arranged on described low-pressure shaft
The other end supports first rocker (10) of described low-pressure compressor rotor, is arranged on described bearing for footpath for fixing
Support second rocker (20) of described low-pressure compressor rotor to location, be arranged in described low pressure in supporting for radially calmly
Position described low-pressure compressor rotor locating rack (30), and with described first rocker (10), described second rocker (20)
Be connected the axial positioning mechanism (40) for axially positioning described low-pressure compressor rotor with described locating rack (30).
Compressor rotor balancing fixture the most according to claim 1, it is characterised in that
Described axial positioning mechanism (40) includes being arranged between described first rocker (10) and described locating rack (30)
For axially positioning described first rocker (10) and the first spacing cylinder (41) of described locating rack (30) and being arranged on
For axially positioning described locating rack (30) and described the between described locating rack (30) and described second rocker (20)
Second spacing cylinder (42) of two rockers (20).
Compressor rotor balancing fixture the most according to claim 2, it is characterised in that
Described axial positioning mechanism (40) also includes for connecting described first spacing cylinder (41) and described second spacing cylinder
(42) positioning tie bar (43), described positioning tie bar (43) sequentially pass through and lock described first rocker (10),
One spacing cylinder (41), described locating rack (30), described second spacing cylinder (42) and described second rocker (20), by institute
State the first rocker (10), the first spacing cylinder (41), described locating rack (30), described second spacing cylinder (42) and described
Second rocker (20) is combined into an overall structure.
Compressor rotor balancing fixture the most according to claim 3, it is characterised in that
The quantity of described positioning tie bar (43), described first spacing cylinder (41) and described second spacing cylinder (42) is two
Above and described positioning tie bar (43), described first spacing cylinder (41) and described second spacing cylinder (42) circumferentially direction
It is uniformly distributed.
Compressor rotor balancing fixture the most according to claim 3, it is characterised in that
Described first rocker (10) includes the first positioning shaft sleeve (11) being sleeved on described low-pressure shaft and is fixedly installed on
It is used for radially extending first support plate (12) of described first positioning shaft sleeve (11) on described first positioning shaft sleeve (11).
Compressor rotor balancing fixture the most according to claim 5, it is characterised in that
Described locating rack (30) include being fixedly installed on the side of supporting in described low pressure the first location dish (31) and with
Described first location dish (31) is fixedly linked the second support plate (32) for radially extending described first location dish (31).
Compressor rotor balancing fixture the most according to claim 6, it is characterised in that
Described second rocker (20) includes that the second positioning shaft sleeve (21) being sleeved on described bearing and described second positions
Pressure ring (22) that axle sleeve (21) matches, it is fixedly connected on the second location of the side of described second positioning shaft sleeve (21)
Dish (23) and being fixedly linked for radially extending described second location dish (23) with described second location dish (23)
3rd support plate (24).
Compressor rotor balancing fixture the most according to claim 7, it is characterised in that
Be provided with on described first support plate (12) on the first through hole, described second support plate (32) be provided with the second through hole,
Described 3rd support plate (24) is provided with third through-hole, and described first spacing cylinder (41) is arranged on described first through hole and institute
Stating between the second through hole, described second spacing cylinder (42) is arranged between described second through hole and described third through-hole, institute
State positioning tie bar (43) and sequentially pass through described first through hole, described first spacing cylinder (41), described second through hole, described
Second spacing cylinder (42) and described third through-hole are by described first rocker (10), described locating rack (30) and described second
Rocker (20) carries out axial lock.
Compressor rotor balancing fixture the most according to claim 7, it is characterised in that
Described first location dish (31) in axial direction extends and fixing with the end face of described casing is connected, and described second
Location dish (23) in axial direction extends and fixing with the other end of described casing is connected.
Compressor rotor balancing fixture the most according to claim 9, it is characterised in that
The upper end of described first location dish (31) is provided with the suspension ring (311) for lifting by crane described low-pressure compressor rotor,
The lower end of described first location dish (31) is provided with the planar ends (312) for being placed on flat board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610482146.3A CN106017795B (en) | 2016-06-28 | 2016-06-28 | compressor rotor balancing fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610482146.3A CN106017795B (en) | 2016-06-28 | 2016-06-28 | compressor rotor balancing fixture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106017795A true CN106017795A (en) | 2016-10-12 |
| CN106017795B CN106017795B (en) | 2018-11-09 |
Family
ID=57084202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610482146.3A Active CN106017795B (en) | 2016-06-28 | 2016-06-28 | compressor rotor balancing fixture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106017795B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120554A (en) * | 2017-12-19 | 2018-06-05 | 中国航发南方工业有限公司 | Dynamic balance test tool fixture |
| CN113399720A (en) * | 2021-07-01 | 2021-09-17 | 中国航发贵州黎阳航空动力有限公司 | Outer casing honeycomb ring arc block milling clamp and method |
| CN113567044A (en) * | 2021-06-23 | 2021-10-29 | 四川航天中天动力装备有限责任公司 | Dynamic balance clamp device for compressor rotor of turbojet engine |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120554A (en) * | 2017-12-19 | 2018-06-05 | 中国航发南方工业有限公司 | Dynamic balance test tool fixture |
| CN113567044A (en) * | 2021-06-23 | 2021-10-29 | 四川航天中天动力装备有限责任公司 | Dynamic balance clamp device for compressor rotor of turbojet engine |
| CN113567044B (en) * | 2021-06-23 | 2024-04-12 | 四川航天中天动力装备有限责任公司 | Dynamic balance clamp device for turbojet engine compressor rotor |
| CN113399720A (en) * | 2021-07-01 | 2021-09-17 | 中国航发贵州黎阳航空动力有限公司 | Outer casing honeycomb ring arc block milling clamp and method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106017795B (en) | 2018-11-09 |
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Address after: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee after: China Hangfa South Industrial Co. Ltd. Address before: 412002 Dong Jiaduan, Zhuzhou, Hunan Patentee before: China Southern Airlines Industry (Group) Co., Ltd. |