CN106017795B - compressor rotor balancing fixture - Google Patents
compressor rotor balancing fixture Download PDFInfo
- Publication number
- CN106017795B CN106017795B CN201610482146.3A CN201610482146A CN106017795B CN 106017795 B CN106017795 B CN 106017795B CN 201610482146 A CN201610482146 A CN 201610482146A CN 106017795 B CN106017795 B CN 106017795B
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- low
- compressor rotor
- rocker
- positioning
- pressure
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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 kind of compressor rotor balancing fixtures, for balancing low-pressure compressor rotor, low-pressure compressor rotor includes low-pressure shaft, coat the casing of low-pressure shaft, it is set in the bearing of low-pressure shaft one end and is arranged in casing in the low pressure being fixedly connected with low-pressure shaft and support, compressor rotor balancing fixture includes the first rocker for fixed support low-pressure compressor rotor being arranged in low-pressure shaft the other end, the second rocker for radial positioning support low-pressure compressor rotor is set on bearing, it is arranged in low pressure and is used for the locating rack of radial positioning low-pressure compressor rotor in bearing, and with the first rocker, second rocker is connected the axial positioning mechanism for axially position low-pressure compressor rotor with locating rack.The present invention solves the technical issues of jumping phenomena that low-pressure compressor rotor occurs when low-speed balancing is tested, and positioning is reliable, accuracy is high, simple in structure, light-weight, easy to operate；The test data of acquirement is stablized, and the test requirements document of engine is met.
Description
Technical field
The present invention relates to dynamic balancing tooling field of fixtures, particularly, are related to a kind of compressor rotor balancing fixture.
Background technology
Low-pressure compressor rotor is the important component part of aero-engine, with the development of science and technology, aeroplane engine
The performance of machine is continuously improved.Low-pressure compressor rotor is mainly by bearing group in the casing of thin-walled shape, low-pressure shaft, bearing and low pressure
At.Since the structure of low-pressure compressor rotor is to belong to flexible and rigid mixture, found when carrying out low-speed balancing experiment,
The concentricity of low-pressure compressor rotor is difficult to ensure, so that experiment is generated bounce, to influence the authenticity and stabilization of test data
Property.
Therefore, the jumping phenomena that low-pressure compressor rotor occurs when low-speed balancing is tested is one urgently to be resolved hurrily
Technical problem.
Invention content
The present invention provides a kind of compressor rotor balancing fixtures, are tried in low-speed balancing with solving low-pressure compressor rotor
The technical issues of jumping phenomena occurred when testing.
The technical solution adopted by the present invention is as follows：
The present invention provides a kind of compressor rotor balancing fixture, and for balancing low-pressure compressor rotor, low-pressure compressor turns
The casing that attached bag includes low-pressure shaft, coats low-pressure shaft, be set in low-pressure shaft one end bearing and setting in casing and low-pressure shaft
Bearing in the low pressure being fixedly connected, compressor rotor balancing fixture include being arranged in low-pressure shaft the other end for fixed support
First rocker of low-pressure compressor rotor is arranged on bearing and is put for the second of radial positioning support low-pressure compressor rotor
Frame is arranged in low pressure the locating rack for being used for radial positioning low-pressure compressor rotor in bearing, and is put with the first rocker, second
Frame is connected the axial positioning mechanism for axially position low-pressure compressor rotor with locating rack.
Further, axial positioning mechanism includes being arranged between the first rocker and locating rack to put for axially position first
The the first spacing cylinder and setting of frame and locating rack are used for axially position locating rack and second between locating rack and the second rocker
Second spacing cylinder of rocker.
Further, axial positioning mechanism further includes the positioning tie bar for connecting the first spacing cylinder and the second spacing cylinder,
Positioning tie bar sequentially passes through and locks the first rocker, the first spacing cylinder, locating rack, the second spacing cylinder and the second rocker, by first
Rocker, the 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 two or more and positioning tie bar, the
One spacing cylinder and the second spacing cylinder are uniformly distributed along circumferential direction.
Further, the first rocker includes the first positioning shaft sleeve being sleeved on low-pressure shaft and is fixed at the first positioning
The first support plate on axle sleeve for radially extending the first positioning shaft sleeve.
Further, locating rack includes being fixed at the first positioning disk of the side supported in low pressure and being positioned with first
Disk is fixedly linked the second support plate for radially extending the first positioning disk.
Further, the second rocker includes the second positioning shaft sleeve being sleeved on bearing, is matched with the second positioning shaft sleeve
Pressure ring, the side for being fixedly connected on the second positioning shaft sleeve the second positioning disk and being fixedly linked with the second positioning disk be used for
Radially extend the third support plate of the second positioning disk.
Further, be provided on the first support plate first through hole, be provided with the second through-hole on the second support plate, third support plate is set
It is equipped with third through-hole, the first spacing cylinder is arranged between first through hole and the second through-hole, and the second spacing cylinder is arranged in the second through-hole
Between third through-hole, positioning tie bar sequentially passes through first through hole, the first spacing cylinder, the second through-hole, the second spacing cylinder and third
First rocker, locating rack and the second rocker are carried out axial lock by through-hole.
Further, the first positioning disk in axial direction extends and is fixedly connected with the end face of casing, the second positioning disk
In axial direction extend and is fixedly connected with the other end of casing.
Further, the upper end of the first positioning disk is equipped with the hanging ring for lifting by crane low-pressure compressor rotor, the first positioning
The lower end of disk is provided with the planar ends for being placed on tablet.
The invention has the advantages that：
Compressor rotor balancing fixture provided by the invention, using on low-pressure compressor rotor bearing and low pressure in support
Carry out axially position low-pressure compressor rotor, support low pressure pressure is positioned by the way that the rocker in low-pressure compressor two ends of rotor portion is arranged
Mechanism of qi rotor, and axially position is carried out to low-pressure compressor rotor using the axial positioning mechanism being arranged on rocker, to
Solves the technical issues of jumping phenomena that low-pressure compressor rotor occurs when low-speed balancing is tested, present invention positioning can
It leans on, accuracy is high, simple in structure, light-weight, easy to operate；The test data of acquirement is stablized, and the test requirements document of engine is met.
Other than objects, features and advantages described above, the present invention also has other objects, features and advantages.
Below with reference to figure, the present invention is described in further detail.
Description of the drawings
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of low-pressure compressor rotor；
Fig. 2 is the structural schematic diagram of compressor rotor balancing fixture preferred embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the first positioning disk preferred embodiment in Fig. 2.
Drawing reference numeral explanation：
10, the first rocker；20, the second rocker；30, locating rack；40, axial positioning mechanism；41, the first spacing cylinder；42,
Two spacing cylinders；43, positioning tie bar；11, the first positioning shaft sleeve；12, the first support plate；31, the first positioning disk；32, the second support plate；
21, the second positioning shaft sleeve；22, pressure ring；23, the second positioning disk；24, third support plate；311, hanging ring；312, planar ends；50, low pressure
Axis；60, casing；70, bearing；80, bearing in low pressure.
Specific implementation mode
It should be noted that in the absence of conflict, the features in the embodiments and the embodiments of the present application can phase
Mutually combination.The present invention will be described in detail below with reference to the accompanying drawings and embodiments.
Referring to Figures 1 and 2, the preferred embodiment of the present invention provides a kind of compressor rotor balancing fixture, for balancing
Low-pressure compressor rotor, low-pressure compressor rotor include low-pressure shaft 50, coat the casing 60 of low-pressure shaft 50, are set in low-pressure shaft 50
The bearing 70 of one end and it is arranged in the low pressure being fixedly connected with low-pressure shaft 50 in the casing 60 and supports 80, which puts down
Weighing apparatus fixture includes being arranged to exist for the first rocker 10 of fixed support low-pressure compressor rotor, setting in 50 the other end of low-pressure shaft
Diameter is used in bearing 80 in low pressure for the second rocker 20 of radial positioning support low-pressure compressor rotor, setting on bearing 70
To the locating rack 30 of positioning low-pressure compressor rotor, and it is connected with the first rocker 10, the second rocker 20 and locating rack 30 and is used for
The axial positioning mechanism 40 of axially position low-pressure compressor rotor.Compressor rotor balancing fixture provided in this embodiment, will be low
Bearing 80 carrys out axially position low-pressure compressor rotor as positioning datum in bearing 70 and low pressure on pressure compressor rotor, passes through
Rocker in low-pressure compressor two ends of rotor portion is set to position support low-pressure compressor rotor, and utilizes and is arranged on rocker
Axial positioning mechanism 40 to carry out axially position to low-pressure compressor rotor, dynamic in low speed to solve low-pressure compressor rotor
The technical issues of jumping phenomena occurred when blance test, the present embodiment positioning is reliable, accuracy is high, it is simple in structure, light-weight,
It is easy to operate；The test data of acquirement is stablized, and the test requirements document of engine is met.
Preferably, as shown in Fig. 2, compressor rotor balancing fixture provided in this embodiment, axial positioning mechanism 40 include
Be arranged between the first rocker 10 and locating rack 30 the first spacing cylinder 41 for the first rocker of axially position 10 and locating rack 30,
And the second spacing for axially position locating rack 30 and the second rocker 20 is set between locating rack 30 and the second rocker 20
Cylinder 42.Because the rocker of compressor rotor balancing fixture is a pair of of hard bearing rocker, load capacity requires.The present embodiment pass through by
First 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 is full
Sufficient test requirements document, reaches weight loss effect.
Preferably, the drive system of compressor rotor balancing fixture provided in this embodiment, low-speed balancing equipment is skin
Band type of drive, and the activation point of low-pressure compressor rotor is located on low-pressure shaft 50.Therefore, in the present embodiment, by belt
Installation site is arranged at the middle part of low-pressure shaft 50 and between the first rocker 10 and locating rack 30, to facilitate belt to install,
The rigidity and weight of compressor rotor balancing fixture will not be reduced again, it is most important that do not interfere with precision.
Preferably, as shown in Fig. 2, compressor rotor balancing fixture provided in this embodiment, axial positioning mechanism 40 also wrap
The positioning tie bar 43 for connecting the first spacing cylinder 41 and the second spacing cylinder 42 is included, positioning tie bar 43 sequentially passes through and locks first
Rocker 10, the first spacing cylinder 41, locating rack 30, the second spacing cylinder 42 and the second rocker 20, by the first rocker 10, the first spacing cylinder
41, locating rack 30, the second spacing cylinder 42 and the second rocker 20 are combined into an overall structure.The present embodiment will by positioning tie bar 43
First rocker 10, the first spacing cylinder 41, locating rack 30, the second spacing cylinder 42 and the second rocker 20 are combined into an overall structure, reach
To advantageous effect simple in structure, facilitating manufacture and repairing.
Preferably, compressor rotor balancing fixture provided in this embodiment, positioning tie bar 43, the first spacing cylinder 41 and second
The quantity of spacing cylinder 42 is two or more and positioning tie bar 43, the first spacing cylinder 41 and the second spacing cylinder 42 are uniform along circumferential direction
Distribution.Specifically, in the present embodiment, the quantity of positioning tie bar 43, the first spacing cylinder 41 and the second spacing cylinder 42 is 4.
The present embodiment positions and reinforces compressor rotor balancing fixture by equally distributed more positioning tie bars 43 along circumferential direction,
Positioning is reliable, accuracy is high, simple in structure, light-weight, easy to operate；The test data of acquirement is stablized, and the examination of engine is met
Test requirement.
Preferably, as shown in Fig. 2, compressor rotor balancing fixture provided in this embodiment, the first rocker 10 include suit
It the first positioning shaft sleeve 11 on low-pressure shaft 50 and is fixed on the first positioning shaft sleeve 11 for radially extending the first positioning
First support plate 12 of axle sleeve 11.Locating rack 30 include be fixed in low pressure the first positioning disk 31 of the side of bearing 80 and with
First positioning disk 31 is fixedly linked the second support plate 32 for radially extending the first positioning disk 31.Second rocker 20 includes being sleeved on
The second positioning shaft sleeve 21 on bearing 70, with 21 matched pressure ring 22 of the second positioning shaft sleeve, be fixedly connected on the second locating shaft
It covers the second positioning disk 23 of 21 side and is fixedly linked with the second positioning disk 23 for radially extending the second positioning disk 23
Third support plate 24.Be provided on first support plate 12 first through hole, be provided with the second through-hole on the second support plate 32, third support plate 24 is set
It is equipped with third through-hole, the first spacing cylinder 41 is arranged between first through hole and the second through-hole, and the second spacing cylinder 42 is arranged second
Between through-hole and third through-hole, positioning tie bar 43 sequentially passes through first through hole, the first spacing cylinder 41, the second through-hole, the second spacing
First rocker 10, locating rack 30 and the second rocker 20 are carried out axial lock by cylinder 42 and third through-hole.Pressure provided in this embodiment
Mechanism of qi rotor balancing fixture, by the first support plate 12, the second support plate 32 and third support plate 24 that extend in a radial direction come axial
Compressor rotor balancing fixture is positioned, to take full advantage of existing material, and can neatly be adapted to all kinds of low-pressure shafts 50,
Improve the versatility of compressor rotor balancing fixture.
Preferably, as shown in Fig. 2, compressor rotor balancing fixture provided in this embodiment, the first positioning disk 31 is in an axial direction
Direction, which extends, to be simultaneously fixedly connected with the end face of casing 60, and the second positioning disk 23 in axial direction extends and another with casing 60
End face is fixedly connected.The present embodiment in axial direction extends the first positioning disk 31 and the second positioning disk 23 by edge and casing 60 is solid
It is fixed to be connected, the fastness of compressor rotor balancing fixture is strengthened, positioning is more reliable, accuracy higher to making, the examination of acquirement
Data stabilization is tested, the test requirements document of engine is met.
Preferably, as shown in figure 3, compressor rotor balancing fixture provided in this embodiment, the upper end of the first positioning disk 31
Hanging ring 311 for lifting by crane low-pressure compressor rotor is installed, the lower end of the first positioning disk 31 is provided with for being placed on tablet
On planar ends 312.The present embodiment is moved easily by installing hanging ring 311 in the upper end of the first positioning disk 31；In the first positioning
Planar ends 312 are arranged in the lower end of disk 31, are conveniently placed on tablet, to keep the first positioning disk 31 indeformable.The present embodiment solves
The problem of inconvenience of compressor rotor balancing fixture is mobile and keeping, and ensure that the correctness of positioning accuracy and test data.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of compressor rotor balancing fixture, for balancing low-pressure compressor rotor, the low-pressure compressor rotor includes low
The casing of last item, the cladding low-pressure shaft, be set in the low-pressure shaft one end bearing and setting in the casing and institute
State bearing in the low pressure that low-pressure shaft is fixedly connected, which is characterized in that the compressor rotor balancing fixture includes being arranged described
Low-pressure shaft the other end supports the first rocker (10) of the low-pressure compressor rotor, setting to be used on the bearing for fixed
The second rocker (20) of the low-pressure compressor rotor is supported in radial positioning, is arranged in the low pressure in bearing for radial
Position the locating rack (30) of the low-pressure compressor rotor, and with first rocker (10), second rocker (20) and
The locating rack (30) is connected the axial positioning mechanism (40) for low-pressure compressor rotor described in axially position.
2. compressor rotor balancing fixture according to claim 1, which is characterized in that
The axial positioning mechanism (40) includes being arranged between first rocker (10) and the locating rack (30) to be used for axis
To the first spacing cylinder (41) for positioning first rocker (10) and the locating rack (30) and it is arranged in the locating rack
(30) second of locating rack (30) and second rocker (20) described in axially position is used between second rocker (20)
Spacing cylinder (42).
3. compressor rotor balancing fixture according to claim 2, which is characterized in that
The axial positioning mechanism (40) further includes for connecting the first spacing cylinder (41) and the second spacing cylinder (42)
Positioning tie bar (43), the positioning tie bar (43) sequentially pass through and lock first rocker (10), the first spacing cylinder (41),
The locating rack (30), the second spacing cylinder (42) and second rocker (20) determine first rocker (10), first
It is combined into an overall structure away from cylinder (41), the locating rack (30), the second spacing cylinder (42) and second rocker (20).
4. compressor rotor balancing fixture according to claim 3, which is characterized in that
The quantity of the positioning tie bar (43), the first spacing cylinder (41) and the second spacing cylinder (42) be two or more and
The positioning tie bar (43), the first spacing cylinder (41) and the second spacing cylinder (42) are uniformly distributed along circumferential direction.
5. compressor rotor balancing fixture according to claim 3, which is characterized in that
First rocker (10) includes the first positioning shaft sleeve (11) being sleeved on the low-pressure shaft and is fixed at described
The first support plate (12) on first positioning shaft sleeve (11) for radially extending first positioning shaft sleeve (11).
6. compressor rotor balancing fixture according to claim 5, which is characterized in that
The locating rack (30) include be fixed at the side supported in the low pressure the first positioning disk (31) and with it is described
First positioning disk (31) is fixedly linked the second support plate (32) for radially extending first positioning disk (31).
7. compressor rotor balancing fixture according to claim 6, which is characterized in that
Second rocker (20) includes the second positioning shaft sleeve (21) being sleeved on the bearing and second positioning shaft sleeve
(21) matched pressure ring (22), be fixedly connected on second positioning shaft sleeve (21) side the second positioning disk (23), with
And it is fixedly linked the third support plate (24) for radially extending second positioning disk (23) with second positioning disk (23).
8. compressor rotor balancing fixture according to claim 7, which is characterized in that
It is provided with first through hole on first support plate (12), is provided with the second through-hole, described on second support plate (32)
Three support plates (24) are provided with third through-hole, the first spacing cylinder (41) setting the first through hole and second through-hole it
Between, the second spacing cylinder (42) is arranged between second through-hole and the third through-hole, the positioning tie bar (43) according to
It is secondary to pass through the first through hole, the first spacing cylinder (41), second through-hole, the second spacing cylinder (42) and described the
First rocker (10), the locating rack (30) and second rocker (20) are carried out axial lock by three through-holes.
9. compressor rotor balancing fixture according to claim 7, which is characterized in that
First positioning disk (31) in axial direction extends and is fixedly connected with the end face of the casing, second positioning
Disk (23) in axial direction extends and is fixedly connected with the other end of the casing.
10. compressor rotor balancing fixture according to claim 9, which is characterized in that
The upper end of first positioning disk (31) is equipped with the hanging ring (311) for lifting by crane the low-pressure compressor rotor, described
The lower end of first positioning disk (31) is provided with the planar ends (312) for being placed on tablet.
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 CN106017795A (en) | 2016-10-12 |
| CN106017795B true CN106017795B (en) | 2018-11-09 |
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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 |
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| Country | Link |
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| CN (1) | CN106017795B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120554B (en) * | 2017-12-19 | 2019-12-03 | 中国航发南方工业有限公司 | Dynamic balance test tool fixture |
| 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 |
| CN113399720B (en) * | 2021-07-01 | 2022-04-05 | 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 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB760678A (en) * | 1952-10-30 | 1956-11-07 | Ferranti Ltd | Improvements relating to the balancing of rotating bodies |
| JP4662155B2 (en) * | 2006-01-10 | 2011-03-30 | 株式会社Ｉｈｉ | Rotation balance correction method and rotation balance test apparatus for supercharger with electric motor |
| CN100535625C (en) * | 2007-09-30 | 2009-09-02 | 沈阳黎明航空发动机(集团)有限责任公司 | Compressor- turbine rotor subassembly dynamic balancing jig |
| CN202710248U (en) * | 2012-06-12 | 2013-01-30 | 中国南方航空工业(集团)有限公司 | Dynamic balancing testing stand |
| CN103411731B (en) * | 2013-07-04 | 2016-06-01 | 河南科技大学 | Miniature rotor dynamic balancing measurement pendulum frame |
| CN204330210U (en) * | 2014-11-19 | 2015-05-13 | 中国航空工业集团公司航空动力控制系统研究所 | A kind of dynamic balance jig of flexible drive axle |
| CN204881982U (en) * | 2015-07-15 | 2015-12-16 | 江苏常牵庞巴迪牵引系统有限公司 | Traction motor dynamic balance of rotor detects frock |
| CN105680648B (en) * | 2016-04-12 | 2018-01-30 | 杭州集智机电股份有限公司 | The radial support and axial pretightening structure of bearing electric machine rotor dynamic balancing measurement are installed |
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2016
- 2016-06-28 CN CN201610482146.3A patent/CN106017795B/en active Active
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| CN106017795A (en) | 2016-10-12 |
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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. |