CN108120554A - Dynamic balance test tool fixture - Google Patents
Dynamic balance test tool fixture Download PDFInfo
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- CN108120554A CN108120554A CN201711373840.2A CN201711373840A CN108120554A CN 108120554 A CN108120554 A CN 108120554A CN 201711373840 A CN201711373840 A CN 201711373840A CN 108120554 A CN108120554 A CN 108120554A
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- low pressure
- bearing
- pressure secondary
- bearing journal
- dynamic balance
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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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- General Physics & Mathematics (AREA)
- Testing Of Balance (AREA)
- Testing Of Devices, Machine Parts, Or Other Structures Thereof (AREA)
Abstract
The invention discloses a kind of dynamic balance test tool fixture, including：Mandrel, for the first low pressure secondary disk of axially opposed installation and the second low pressure secondary disk, and mandrel and the first low pressure secondary disk being installed in its outer circle and the second low pressure secondary disk form the combination of low pressure secondary disc rotor.Support underframe is further included, rocker is supported in two for hanger bearing, the combination of low pressure secondary disc rotor is by clutch shaft bearing and second bearing rotating support on support underframe.Further include the first limit assembly, it is divided into the both sides of low pressure secondary disc rotor combination, for supporting the exhaust end of the exhaust end of the first low pressure secondary disk and the second low pressure secondary disk respectively, for the axial limiting of the first low pressure secondary disk and the second low pressure secondary disk along mandrel.The dynamic balance test tool fixture positioning of the present invention is reliable, precision is high, and simple in structure, easy to operate, safety, experiment process is stable, reliable, meets the test requirements document of engine.
Description
Technical field
The present invention relates to dynamic balance running device fields, particularly, are related to a kind of dynamic balance test tool fixture.
Background technology
Dynamic low two level disk is the important component part of aero-engine, with the development of science and technology, aeroplane engine
The performance of machine is constantly promoted, it is necessary to dynamic balance running be carried out to dynamic low two level disk, in the prior art, without relevant dynamic flat
The test tool fixture clamping dynamic low two level that weighs disk carries out dynamic balance running.
Intend carrying out dynamic balance running using Horizontal type low speed dynamic balancing machine, equipment is horizontal, there is a pair of of hard bearing rocker, is carried
Weight requires, and since the structure of dynamic low two level disk belongs to flexible and rigid mixture, carries out low-speed balancing experiment
When, the experiment balance tooling fixture precision prescribed of design is quite high.Therefore, low-speed balancing frock needs to solve existing
Four main difficult technicals：(1) connection between low-speed balancing frock and low pressure secondary disk, orientation problem need to be solved；(2) need to solve
Certainly the problem of low-speed balancing machine load capacity；(3) installation between drive system and low pressure secondary disk, connectivity problem need to be solved；
(4) since the required precision of dynamic balance test tool fixture is very high, so as to solve test tool movement and take care of aspect
Problem.
The content of the invention
The present invention provides a kind of dynamic balance test tool fixture, to solve to try without relevant dynamic balancing in the prior art
Test the technical issues of frock clamp clamping dynamic low two level disk carries out dynamic balance running.
The technical solution adopted by the present invention is as follows：
A kind of dynamic balance test tool fixture, for being connected to after clamping the first low pressure secondary disk and the second low pressure secondary disk
In dynamic balance running equipment, dynamic balance running equipment includes a pair of of the supporting rocker being oppositely arranged, and the first low pressure secondary disk includes
First turbine disk, is equiped with clutch shaft bearing on the wheel shaft of first turbine disk, and the second low pressure secondary disk includes second turbine disk, and second
Second bearing is equiped on the wheel shaft of the turbine disk, dynamic balance test tool fixture includes：Mandrel, for axially opposed installation the
One low pressure secondary disk and the second low pressure secondary disk, and mandrel and the first low pressure secondary disk being installed in its outer circle and the second low pressure
Two level disk forms the combination of low pressure secondary disc rotor；Support underframe supports rocker, low pressure secondary disk for hanger bearing in two
Rotor combination is by clutch shaft bearing and second bearing rotating support on support underframe；First limit assembly is divided into low pressure two
The both sides of grade disc rotor combination, for supporting the exhaust of the exhaust end of the first low pressure secondary disk and the second low pressure secondary disk respectively
End, for the axial limiting of the first low pressure secondary disk and the second low pressure secondary disk along mandrel.
Further, the outer circle of mandrel first end is equipped with to match with the internal spline in the first low pressure secondary disk endoporus
External splines, the outer circle of the second end being oppositely arranged is equipped with external screw thread；First limit assembly includes low for supporting first
Press backstopping assembly, the locking member for supporting the second low pressure secondary disk exhaust end end of two level disk exhaust end end；Backstop
Component is connected on support underframe, and locking member is threadedly connected in the outer circle of mandrel second end.
Further, dynamic balance test tool fixture further includes the second limit assembly, and the second limit assembly is connected to support
On chassis, for supporting mandrel second end end to carry out /V vertically to mandrel.
Further, support underframe includes supporting the first bearing journal of clutch shaft bearing, for supporting second bearing
The second bearing journal, the first bearing journal and the second bearing journal support rockers for distinguishing hanger bearing in two；Only
Stopper part is connected on the first bearing journal；Second limit assembly is connected on the second bearing journal.
Further, respectively supporting rocker includes the supporting cambered surface that horizontally disposed and section is camber line；First bearing journal and
Second bearing journal is in semi-circular cylindrical, and the outer ring surface of the first bearing journal and the second bearing journal is the branch with being correspondingly arranged
Hold the matched cambered surface of cambered surface；Backstopping assembly is connected on the inner ring surface of the first bearing journal, and the second limit assembly is connected to second
On the inner ring surface of bearing journal；The outer shroud of clutch shaft bearing is supported on the inner ring surface of the first bearing journal, the outer shroud of second bearing
It is supported on the inner ring surface of the second bearing journal.
Further, dynamic balance test tool fixture further includes to encompass clutch shaft bearing and second bearing exposed parts
The first pressure ring and the second pressure ring, for preventing clutch shaft bearing and second bearing radially play；First pressure ring is encompassed in
It is connected on the outer shroud of one bearing and with the first bearing journal；Second pressure ring is encompassed to be supported on the outer shroud of second bearing and with second
Axle journal is connected.
Further, support underframe is further included for installing the erection support of the first bearing journal and the second bearing journal,
Erection support is equipped with to house the storage tank of the first low pressure secondary disk and the second low pressure secondary disk；First bearing journal and
Two bearing journals are respectively fixedly connected on erection support.
Further, erection support includes installing the first support plate of the first bearing journal, be supported for installing second
Second support plate of axle journal is equipped with multigroup connecting rod for both connections between the first support plate and the second support plate；First support plate
And the second gap between support plate forms storage tank.
Further, connecting rod include both ends be connected respectively with the first support plate and the second support plate pull rod, be installed in drawing
In the outer circle of bar and both ends support the spacing cylinder of the first support plate and the second support plate respectively, are installed in the outer circle at pull rod both ends and are used for
Lock two groups of locking members of pull rod.
Further, the top of the first support plate is equipped with the first mounting groove for the first bearing journal of installation of indent, the
The bottom of one support plate is equipped with the first level face placed vertically for it；The top of second support plate is used for installation second equipped with indent
Second mounting groove of bearing journal, the bottom of the second support plate are equipped with the second horizontal plane placed vertically for it.
The invention has the advantages that：
It, can be by the first low pressure secondary disk and the by mandrel including mandrel in the dynamic balance test tool fixture of the present invention
The two axially opposed installations of low pressure secondary disk；The first limit assembly is further included, by the first limit assembly to the first low pressure secondary
Disk and the second low pressure secondary disk carry out /V along the axial of mandrel, thus can be by the first low pressure secondary disk and the second low pressure secondary
Disk is mounted on mandrel, not only solves the connectivity problem of the first low pressure secondary disk and the second low pressure secondary disk between the two, and
The connectivity problem between dynamic balance test tool fixture and low pressure secondary disk is also solved, and reaches simple in structure, facilitate the effect of manufacture
Fruit.Support underframe is further included, the combination of low pressure secondary disc rotor is by clutch shaft bearing and second bearing rotating support in support underframe
On, so as to solve dynamic balance test tool fixture combined with low pressure secondary disc rotor between orientation problem.And pass through support underframe,
There is the dynamic balance test tool fixture of the first low pressure secondary disk and the second low pressure secondary disk to be connected to dynamic balance running clamping to set
It is standby upper, solve test tool fixture and the connectivity problem of dynamic balance running equipment, and the dynamic balance test tool fixture of the present invention
Positioning is reliable, precision is high, simple in structure, and easy to operate, safety, experiment process is stable, reliable, and the experiment for meeting engine will
It asks.
In addition to 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 for forming the part of the application is used for providing a 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 structure diagram of low pressure secondary disc rotor combination；
Fig. 2 is dynamic balance test tool fixture clamping the first low pressure secondary disk and the second low pressure of the preferred embodiment of the present invention
Structure diagram during two level disk；
Fig. 3 is the left view structural representation of Fig. 2；
Fig. 4 is the schematic cross-sectional view of the first bearing journal in Fig. 2；
Fig. 5 is the left view structural representation of Fig. 4；
Fig. 6 is the schematic cross-sectional view of the second bearing journal in Fig. 2；
Fig. 7 is the right side structural representation of Fig. 6；
Fig. 8 is the main structure diagram of the first support plate in the 2nd；
Fig. 9 is the main structure diagram of the first pressure ring in Fig. 2；
Figure 10 is the main structure diagram of the second pressure ring in Fig. 2.
Marginal data
10th, the first low pressure secondary disk；11st, clutch shaft bearing；20th, the second low pressure secondary disk；21st, second bearing；30th, mandrel；
40th, support underframe；41st, the first bearing journal；42nd, the second bearing journal；43rd, erection support；430th, storage tank；431st, first
Plate；4310th, first level face；432nd, the second support plate；4320th, the second horizontal plane；433rd, connecting rod；4331st, pull rod；4332、
Spacing cylinder；4333rd, locking member；434th, hanging ring；50th, the first limit assembly；51st, backstopping assembly；52nd, locking member；60th, the second limit
Hyte part；70th, the first pressure ring；80th, the second pressure ring.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be defined by the claims
Implement with the multitude of different ways of covering.
Referring to figs. 1 to 3, the preferred embodiment of the present invention provides a kind of dynamic balance test tool fixture, for clamping
It is connected to after one low pressure secondary disk 10 and the second low pressure secondary disk 20 in dynamic balance running equipment (not shown), dynamic balance running is set
Standby a pair of of the supporting rocker (not shown) for including being oppositely arranged, the first low pressure secondary disk 10 include first turbine disk, the first turbine
It is equiped with clutch shaft bearing 11 on the wheel shaft of disk, the second low pressure secondary disk 20 includes second turbine disk, on the wheel shaft of second turbine disk
Second bearing 21 is equiped with, dynamic balance test tool fixture includes：Mandrel 30, for the first low pressure secondary of axially opposed installation
10 and second low pressure secondary disk 20 of disk, and mandrel 30 and the first low pressure secondary disk 10 being installed in its outer circle and the second low pressure two
Grade disk 20 forms the combination of low pressure secondary disc rotor.Support underframe 40 is further included, rocker is supported in two for hanger bearing, it is low
Press the combination of two level disc rotor by clutch shaft bearing 11 and 21 rotating support of second bearing on support underframe 40.Further include the first limit
Hyte part 50 is divided into the both sides of low pressure secondary disc rotor combination, for supporting the exhaust end of the first low pressure secondary disk 10 respectively
With the exhaust end of the second low pressure secondary disk 20, for the first low pressure secondary disk 10 and the second low pressure secondary disk 20 along mandrel 30
Axial limiting.
It, can be by the first low pressure secondary disk by mandrel 30 including mandrel 30 in the dynamic balance test tool fixture of the present invention
10 and the 20 axially opposed installation of the second low pressure secondary disk；The first limit assembly 50 is further included, it is right by the first limit assembly 50
First low pressure secondary disk 10 and the second low pressure secondary disk 20 carry out /V along the axial of mandrel 30, thus can be by the first low pressure two
Grade 10 and second low pressure secondary disk 20 of disk is mounted on mandrel 30, not only solves the first low pressure secondary disk 10 and the second low pressure
The connectivity problem of two level disk 20 between the two, and the connectivity problem between dynamic balance test tool fixture and low pressure secondary disk is also solved,
And achieve the effect that it is simple in structure, facilitate manufacture.Support underframe 40 is further included, the combination of low pressure secondary disc rotor passes through clutch shaft bearing
11 and 21 rotating support of second bearing on support underframe 40, turn so as to solve dynamic balance test tool fixture with low pressure secondary disk
Orientation problem between sub-portfolio.And pass through support underframe 40, clamping there are into the first low pressure secondary disk 10 and the second low pressure secondary disk
20 dynamic balance test tool fixture is connected in dynamic balance running equipment, solves test tool fixture and dynamic balance running equipment
Connectivity problem, and the dynamic balance test tool fixture positioning of the present invention is reliable, precision is high, simple in structure, easy to operate, peace
Entirely, it is stable, reliable to test process, meets the test requirements document of engine.
Optionally, as shown in Fig. 2, the outer circle of 30 first end of mandrel be equipped with for in 10 endoporus of the first low pressure secondary disk
The matched external splines of internal spline, the outer circle of the second end being oppositely arranged is equipped with external screw thread.First limit assembly 50 includes
For support 10 exhaust end end of the first low pressure secondary disk backstopping assembly 51, for supporting 20 exhaust end of the second low pressure secondary disk
The locking member 52 of end.Backstopping assembly 51 is connected on support underframe 40, and locking member 52 is threadedly connected to mandrel 30 second
In the outer circle at end.Pass through the cooperation of internal spline in 10 endoporus of external splines and the first low pressure secondary disk in 30 outer circle of mandrel, realization pair
First low pressure secondary disk 10 and the second low pressure secondary disk 20 radially carry out /V, then pass through backstopping assembly 51 and locking member 52
Effect, realize and /V carried out vertically to the first low pressure secondary disk 10 and the second low pressure secondary disk 20, so that the first low pressure
10 and second low pressure secondary disk 20 of two level disk is fixed on mandrel 30.
In this specific embodiment, as shown in Fig. 2, backstopping assembly 51 includes being vertically arranged and being fixedly connected with support underframe 40
Lattice framing, be equiped with the first locating snap ring for rotating and setting around vertical axes on lattice framing, it is low that the external annulus of the first locating snap ring support first
Press the end face of 10 exhaust end of two level disk.Locking member 52 include with the matched locking nut of external screw thread in 30 outer circle of mandrel, should
Support the end face of 20 exhaust end of the second low pressure secondary disk in the end face of locking nut.
Further, to prevent the play vertically of mandrel 30, in this preferred embodiment, as shown in Fig. 2, dynamic balance test tool
Fixture further includes the second limit assembly 60, and the second limit assembly 60 is connected on support underframe 40, for supporting mandrel 30 second
End is held to carry out /V vertically to mandrel 30.In this specific embodiment, the second limit assembly 60 include be vertically arranged and with
The installing plate that support underframe 40 is fixedly connected is equiped with the second locating snap ring for rotating and setting around vertical axes, mandrel 30 on installing plate
Support the outer ring surface of the second locating snap ring in the end of second end.
Optionally, as shown in figs. 4-7, support underframe 40 include for support clutch shaft bearing 11 the first bearing journal 41,
For supporting the second bearing journal 42 of second bearing 21, the first bearing journal 41 and the second bearing journal 42 are used to hang respectively
It is supported on two supporting rockers.Backstopping assembly 51 is connected on the first bearing journal 41.Second limit assembly 60 is connected to
On two bearing journals 42.
In this specific embodiment, as shown in Figure 4 and Figure 6, each rocker that supports includes the branch that horizontally disposed and section is camber line
Hold cambered surface.First bearing journal 41 and the second bearing journal 42 are in semi-circular cylindrical, and the first bearing journal 41 and second supports
The outer ring surface of axle journal 42 is the matched cambered surface of supporting cambered surface with being correspondingly arranged, so that the first bearing journal 41 and the second supporting
The stabilization of axle journal 42 is born against in dynamic balance running equipment, and then improves the stability and test accuracy of dynamic balance running.Stopper section
Part 51 is connected on the inner ring surface of the first bearing journal 41, and the second limit assembly 60 is connected to the inner ring surface of the second bearing journal 42
On.The outer shroud of clutch shaft bearing 11 is supported on the inner ring surface of the first bearing journal 41, and the outer shroud of second bearing 21 is supported on second
On the inner ring surface of bearing journal 42.Since the drive system of dynamic balance running equipment is belt drive system, when the first support shaft
When 41 and second bearing journal 42 of neck is in semi-circular cylindrical, clutch shaft bearing 11 and second bearing 21 are supported on first be correspondingly arranged
It is when in 41 and second bearing journal 42 of bearing journal, part is exposed, consequently facilitating the belt of drive system is set around first
On the wheel shaft of 10 or second low pressure secondary disk 20 of low pressure secondary disk, with the company between drive system existing for solution and low pressure secondary disk
It connects, installation question.
Preferably, as shown in Fig. 2, since clutch shaft bearing 11 and second bearing 21 are supported on the first support shaft being correspondingly arranged
It is when in 41 and second bearing journal 42 of neck, part is exposed, so as to be edge when preventing that clutch shaft bearing 11 and second bearing 21 from testing
Radial-play, so as to influence test accuracy, in this preferred embodiment, dynamic balance test tool fixture is further included for by clutch shaft bearing
11 and 21 exposed parts of second bearing the first pressure ring 70 and the second pressure ring 80 that encompass, for preventing clutch shaft bearing 11 and second
The radially play of bearing 21.First pressure ring 70 is encompassed to be connected on the outer shroud of clutch shaft bearing 11 and with the first bearing journal 41.The
Two pressure rings 80 are encompassed to be connected on the outer shroud of second bearing 21 and with the second bearing journal 42.
Further, in conjunction with shown in Fig. 9 and Figure 10, the first pressure ring 70 and the second pressure ring 80 are in both arc-shaped, and
The both ends of both first pressure ring 70 and the second pressure ring 80 respectively with the first bearing journal 41 being correspondingly arranged and the second bearing journal
42 fix.
Optionally, as shown in Fig. 2, support underframe 40 further includes to install the first bearing journal 41 and the second bearing journal
42 erection support 43, erection support 43 are equipped with to house the appearance of the first low pressure secondary disk 10 and the second low pressure secondary disk 20
Put slot 430.First bearing journal 41 and the second bearing journal 42 are respectively fixedly connected on erection support 43.
Further, erection support 43 includes installing the first support plate 431 of the first bearing journal 41, for installing the
Second support plate 432 of two bearing journals 42 is used to connect the two between first support plate 431 and the second support plate 432 equipped with multigroup
Connecting rod 433.Gap between first support plate 431 and the second support plate 432 forms storage tank 430.Since dynamic balance running is set
Standby supporting rocker has the requirement of load capacity, in of the invention, passes through both the first support plate 431, the second support plate 432 and connection
Multigroup connecting rod 433 is combined into integrally-built erection support 43, compared to the bearing of integral structure, not only structure letter
List facilitates manufacture and repairing, it is often more important that, while test tool fixture rigidity of the present invention is ensured, it can effectively mitigate examination
The weight of frock clamp is tested, meets the support needs of dynamic balance running equipment, solves the technology of low-speed balancing machine load capacity
Problem.
In this specific embodiment, as shown in figure 8, the first support plate 431 is identical with the structure of both the second support plates 432.First
The top of support plate 431 is equipped with the first mounting groove for the first bearing journal 41 of installation of indent, and the bottom of the first support plate 431 is set
There is the first level face 4310 placed vertically for it.The top of second support plate 432 is used for the second support shaft of installation equipped with indent
Second mounting groove of neck 42, the bottom of the second support plate 432 are equipped with the second horizontal plane 4320 placed vertically for it.Due to first
The bottom of both 431 and second support plates of plate 432 is respectively provided with 4310 and second horizontal plane 4320 of first level face, so as to facilitate the
One support plate 431 and the second support plate 432 be placed on tablet take care of, can guarantee test data correctness, and will not make it deform
And the reduction of precision, so as to solve the problems, such as that the keeping of test tool fixture is convenient.In conjunction with shown in Fig. 2 and Fig. 3, the first support shaft
Circumferentially flange connector is respectively provided on the outer ring surface of both 41 and second bearing journals of neck 42, the first bearing journal 41 supports
In the first mounting groove, and the first bearing journal 41 passes through the flange connector on its outer ring surface and the lateral wall of the first support plate 431
It is fixedly connected, likewise, the second bearing journal 42 is supported in the second mounting groove, and the second bearing journal 42 passes through its outer ring surface
On flange connector be fixedly connected with the lateral wall of the second support plate 432.
Further, as shown in figure 3, erection support 43, which further includes, is connected to the first support plate 431 and the second support plate 432
On two hanging rings 434, convenient for the lifting and transport of test tool fixture, solve the problems, such as the movement lifting of test tool fixture.
In this specific embodiment, as shown in Figures 2 and 3, multigroup connecting rod 433 is along the first support plate 431 and the second support plate
432 circumferential direction is arranged at intervals successively.Each group connecting rod 433 include both ends respectively with 432 phase of the first support plate 431 and the second support plate
Pull rod 4331 even is installed in the outer circle of pull rod 4331 and determining for the first support plate 431 and the second support plate 432 is supported at both ends respectively
Away from cylinder 4332, it is installed in the outer circle at 4331 both ends of pull rod to lock two groups of locking members 4333 of pull rod 4331.Each locking member
4333 include the washer and locking nut that are installed in 4331 outer circle of pull rod.
The foregoing is only a preferred embodiment of the present invention, is not intended to limit the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.Within the spirit and principles of the invention, that is made any repaiies
Change, equivalent substitution, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of dynamic balance test tool fixture, which is characterized in that for clamping the first low pressure secondary disk (10) and the second low pressure
Two level disk is connected to after (20) in dynamic balance running equipment, and the dynamic balance running equipment includes a pair of of the supporting pendulum being oppositely arranged
Frame, the first low pressure secondary disk (10) include first turbine disk, clutch shaft bearing are equiped on the wheel shaft of first turbine disk
(11), the second low pressure secondary disk (20) includes second turbine disk, and the second axis is equiped on the wheel shaft of second turbine disk
It holds (21), the dynamic balance test tool fixture includes：
Mandrel (30), for axially opposed installation the first low pressure secondary disk (10) and the second low pressure secondary disk
And the mandrel (30) and the first low pressure secondary disk (10) and second low pressure secondary that are installed in its outer circle (20),
Disk (20) forms the combination of low pressure secondary disc rotor；
Support underframe (40), for hanger bearing in two supporting rockers, the low pressure secondary disc rotor combination passes through
The clutch shaft bearing (11) and the second bearing (21) rotating support are on the support underframe (40)；
First limit assembly (50) is divided into the both sides of the low pressure secondary disc rotor combination, for supporting described first respectively
The exhaust end of low pressure secondary disk (10) and the exhaust end of the second low pressure secondary disk (20), for first low pressure secondary
The axial limiting of disk (10) and the second low pressure secondary disk (20) along the mandrel (30).
2. dynamic balance test tool fixture according to claim 1, which is characterized in that
The outer circle of mandrel (30) first end be equipped with for the internal spline in the first low pressure secondary disk (10) endoporus
Matched external splines, the outer circle for the second end being oppositely arranged are equipped with external screw thread；
First limit assembly (50) includes supporting the stopper section of the first low pressure secondary disk (10) exhaust end end
Part (51), the locking member (52) for supporting the second low pressure secondary disk (20) exhaust end end；
The backstopping assembly (51) is connected on the support underframe (40), and the locking member (52) is threadedly connected to the core
In the outer circle of axis (30) second end.
3. dynamic balance test tool fixture according to claim 2, which is characterized in that
The dynamic balance test tool fixture further includes the second limit assembly (60), and second limit assembly (60) is connected to institute
It states on support underframe (40), for supporting the mandrel (30) second end end to be limited vertically the mandrel (30)
Position.
4. dynamic balance test tool fixture according to claim 3, which is characterized in that
The support underframe (40) is included for supporting the first bearing journal (41) of the clutch shaft bearing (11), for supporting
The second bearing journal (42) of second bearing (21) is stated, first bearing journal (41) and second bearing journal (42) are used
In hanger bearing respectively on two supporting rockers；
The backstopping assembly (51) is connected on first bearing journal (41)；
Second limit assembly (60) is connected on second bearing journal (42).
5. dynamic balance test tool fixture according to claim 4, which is characterized in that
Each supporting rocker includes the supporting cambered surface that horizontally disposed and section is camber line；
First bearing journal (41) and second bearing journal (42) are in semi-circular cylindrical, and first bearing journal
(41) and the outer ring surface of second bearing journal (42) is and the matched cambered surface of supporting cambered surface that is correspondingly arranged；
The backstopping assembly (51) is connected on the inner ring surface of first bearing journal (41), second limit assembly (60)
It is connected on the inner ring surface of second bearing journal (42)；
The outer shroud of the clutch shaft bearing (11) is supported on the inner ring surface of first bearing journal (41), the second bearing
(21) outer shroud is supported on the inner ring surface of second bearing journal (42).
6. dynamic balance test tool fixture according to claim 5, which is characterized in that
The dynamic balance test tool fixture is further included for the clutch shaft bearing (11) and the second bearing (21) is exposed
The first pressure ring (70) and the second pressure ring (80) that part encompasses, for preventing the clutch shaft bearing (11) and the second bearing
(21) radially play；
First pressure ring (70) encompass on the outer shroud of the clutch shaft bearing (11) and with the first bearing journal (41) phase
Even；
Second pressure ring (80) encompass on the outer shroud of the second bearing (21) and with the second bearing journal (42) phase
Even.
7. dynamic balance test tool fixture according to claim 4, which is characterized in that
The support underframe (40) further includes to install first bearing journal (41) and second bearing journal (42)
Erection support (43), the erection support (43) is equipped with for housing the first low pressure secondary disk (10) and described second
The storage tank (430) of low pressure secondary disk (20)；
First bearing journal (41) and second bearing journal (42) are respectively fixedly connected in the erection support (43)
On.
8. dynamic balance test tool fixture according to claim 7, which is characterized in that
The erection support (43) includes installing the first support plate (431) of first bearing journal (41), for installing
The second support plate (432) of second bearing journal (42), between first support plate (431) and second support plate (432)
Equipped with multigroup connecting rod (433) for both connections；
Gap between first support plate (431) and second support plate (432) forms the storage tank (430).
9. dynamic balance test tool fixture according to claim 8, which is characterized in that
The connecting rod (433) includes what both ends were connected respectively with first support plate (431) and second support plate (432)
Pull rod (4331) is installed in the outer circle of the pull rod (4331) and first support plate (431) and described is supported at both ends respectively
The spacing cylinder (4332) of second support plate (432) is installed in the outer circle at the pull rod (4331) both ends to lock the pull rod
(4331) two groups of locking members (4333).
10. dynamic balance test tool fixture according to claim 8, which is characterized in that
The top of first support plate (431) is equipped with being installed for installing the first of first bearing journal (41) for indent
Slot, the bottom of first support plate (431) are equipped with the first level face (4310) placed vertically for it；
The top of second support plate (432) is equipped with being installed for installing the second of second bearing journal (42) for indent
Slot, the bottom of second support plate (432) are equipped with the second horizontal plane (4320) placed vertically for it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711373840.2A CN108120554B (en) | 2017-12-19 | 2017-12-19 | Dynamic balance test tool fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711373840.2A CN108120554B (en) | 2017-12-19 | 2017-12-19 | Dynamic balance test tool fixture |
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| Publication Number | Publication Date |
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| CN108120554A true CN108120554A (en) | 2018-06-05 |
| CN108120554B CN108120554B (en) | 2019-12-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711373840.2A Active CN108120554B (en) | 2017-12-19 | 2017-12-19 | Dynamic balance test tool fixture |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111044222A (en) * | 2019-11-22 | 2020-04-21 | 北京动力机械研究所 | Integral mechanical balance device and method for micro turbojet engine |
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| CN113565587A (en) * | 2020-04-29 | 2021-10-29 | 中国航发商用航空发动机有限责任公司 | Low-pressure turbine rotor dynamic balance tool, assembly and method |
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| CN111044222A (en) * | 2019-11-22 | 2020-04-21 | 北京动力机械研究所 | Integral mechanical balance device and method for micro turbojet engine |
| CN113565587A (en) * | 2020-04-29 | 2021-10-29 | 中国航发商用航空发动机有限责任公司 | Low-pressure turbine rotor dynamic balance tool, assembly and method |
| CN113565587B (en) * | 2020-04-29 | 2023-06-06 | 中国航发商用航空发动机有限责任公司 | Dynamic balance tool, assembly and method for low-pressure turbine rotor |
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| 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 |
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