CN109883631A - Stiffness measurement device - Google Patents
Stiffness measurement device Download PDFInfo
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- CN109883631A CN109883631A CN201910228776.1A CN201910228776A CN109883631A CN 109883631 A CN109883631 A CN 109883631A CN 201910228776 A CN201910228776 A CN 201910228776A CN 109883631 A CN109883631 A CN 109883631A
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- adapter
- mouse cage
- switching beam
- stiffness
- cage bullet
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Abstract
This disclosure relates to which a kind of stiffness measurement device, is related to stiffness measurement technical field.The device is used to measure mouse cage bullet Zhi Jinhang lateral stiffness, including fixing seat, changeover mechanism and measuring mechanism, wherein changeover mechanism includes switching beam and adapter, switching beam has first end and second end, the first end of switching beam is fixed in fixing seat, the second end of switching beam is through adapter and is rotatably assorted, mouse cage bullet branch is fixed on an end face of first end of the adapter far from switching beam, measuring mechanism is set to mouse cage bullet and props up one end far from adapter, and measuring mechanism can circumferentially measure the lateral stiffness of mouse cage bullet branch.On the one hand the disclosure avoids mouse cage bullet Zhi Jinhang repeating dismounting work, effectively improve measurement efficiency when measuring multiple orientation lateral stiffness;On the other hand it avoids the change due to mouse cage bullet branch mounting condition and introduces other measurement errors, ensure that the accuracy of measurement result.
Description
Technical field
This disclosure relates to stiffness measurement technical field, in particular to a kind of stiffness measurement device.
Background technique
The stiffness parameters of mouse cage bullet branch are the one of aircraft engine rotor system Analysis of Dynamic Characteristics and critical speed design
A important parameter, numerical values recited directly influence the response of critical speed, the vibration shape, amount of unbalance and the transmitting spy of rotor-support-foundation system
Property etc..
Since circumferential spring processing is there are error, the lateral stiffness of the different direction of mouse cage bullet branch has mouse cage bullet branch
Institute's difference.And the inhomogeneities of mouse cage bullet branch lateral stiffness, it will cause critical turn of rotor circumference different direction be supported on
Speed and vibratory response have differences.Therefore, in order to examine the lateral stiffness in each orientation mouse cage bullet Zhi Yuanzhou processed poor
Anisotropic size and whether meet design requirement, generally requires the lateral stiffness measured in mouse cage bullet Zhi Yuanzhou different direction.
It should be noted that information is only used for reinforcing the reason to the background of the disclosure disclosed in above-mentioned background technology part
Solution, therefore may include the information not constituted to the prior art known to persons of ordinary skill in the art.
Summary of the invention
The disclosure is designed to provide a kind of stiffness measurement device, to measure the cross of mouse cage bullet Zhi Yuanzhou different direction
To rigidity, to improve the measurement efficiency of the multiple orientation lateral stiffness measurements of mouse cage bullet Zhi Yuanzhou.
According to one aspect of the disclosure, a kind of stiffness measurement device is provided, for mouse cage bullet Zhi Jinhang lateral stiffness
Measurement, the stiffness measurement device includes fixing seat, changeover mechanism and measuring mechanism: the changeover mechanism include switching beam with
Adapter, the switching beam have first end and second end, and the first end of the switching beam is fixed in the fixing seat, described
The second end of switching beam is through the adapter and is rotatably assorted;The mouse cage bullet branch is fixed on the adapter and turns far from described
It connects on an end face of the first end of beam;The measuring mechanism is set to the mouse cage bullet and props up one end far from the adapter, described
Measuring mechanism can circumferentially measure the lateral stiffness of the mouse cage bullet branch.
In a kind of exemplary embodiment of the disclosure, in the contact surface that the switching beam and the adapter are rotatably assorted
On, the outer peripheral surface of the switching beam includes the first shiny surface, and the adapter is equipped with through-hole, and the inner surface of the through-hole includes the
Two shiny surfaces, the switching beam passes through the through-hole, and second shiny surface is rotationally bonded first shiny surface.
In a kind of exemplary embodiment of the disclosure, first shiny surface is from the second end of the switching beam to the
The circular conical surface that one extreme direction is gradually expanded.
In a kind of exemplary embodiment of the disclosure, the switching beam further includes extended segment, and the extended segment is located at institute
State between adapter and the second end of the switching beam, the changeover mechanism further includes compressing unit: the compressing unit is arranged
It is moved in the extended segment and relative to the extended segment, to compress or loosen the adapter.
In a kind of exemplary embodiment of the disclosure, the compressing unit includes sleeve and clamping nut: the sleeve
It is cylindrical, it is sheathed on the extended segment;The clamping nut is sheathed on the extended segment and is located at the sleeve far from described
One end of adapter, the clamping nut are threadedly connected to the extended segment and described turn can be compressed or loosened by the sleeve
Joint chair.
In a kind of exemplary embodiment of the disclosure, the measuring mechanism includes measurement seat, hook, counterweight and displacement
Sensor: it is described measurement cover for seat be set to the mouse cage bullet prop up far from the adapter one end, the measurement seat circumferentially arranged with
Multiple mount holes;Described hook one end can hang on the mount hole, and the hook other end, which is equipped with, can carry the weight
The load table of code;Institute's displacement sensors are set to the vertical surface of the measurement seat, and are located at the center of the measurement seat
On same vertical line.
In a kind of exemplary embodiment of the disclosure, the outer peripheral surface of the measurement seat includes multiple measurement planes, and every
Center of one measurement plane with a mount hole about measurement seat is centrosymmetric.
In a kind of exemplary embodiment of the disclosure, the measurement seat is annular shape, and the measurement seat can by two
The semicircular rings of dismantling connection are spliced.
In a kind of exemplary embodiment of the disclosure, the mouse cage bullet Zhi Yiduan has circular installation side, described
Installation side is resisted against on the adapter, and the stiffness measurement device further includes retention mechanism: the retention mechanism is sheathed on institute
On the installation side for stating mouse cage bullet branch, and it is removably attachable on the adapter.
In a kind of exemplary embodiment of the disclosure, the retention mechanism includes compression ring and the second connection component:
The compression ring is sheathed on the installation side of mouse cage bullet branch, the compression ring with the adapter is circumferentially corresponding sets
There is multiple groups through-hole;Second connection component cooperates the through-hole with the fixation compression ring and the adapter.
As shown from the above technical solution, the disclosure provides a kind of stiffness measurement device, advantage and has the active effect that
The disclosure provide a kind of stiffness measurement device, can by being rotatably assorted between switching beam and adapter,
Mouse cage bullet branch is driven to rotate by a certain angle, to realize the measurement for propping up mouse cage bullet multiple orientation lateral stiffness.On the one hand, it avoids
Previous stiffness measurement device needs to repeat mouse cage bullet Zhi Jinhang into dismounting work, have when measuring multiple orientation lateral stiffness
Improve measurement efficiency to effect;On the other hand, mouse cage bullet branch is fixed on adapter, can quickly adjust the circumferential direction of mouse cage bullet branch
Angle, and the stability of mouse cage bullet branch installation is not influenced, it can avoid the change due to mouse cage bullet branch mounting condition and introduce other
Measurement error ensure that the accuracy of measurement result.
It should be understood that above general description and following detailed description be only it is exemplary and explanatory, not
The disclosure can be limited.
Detailed description of the invention
The drawings herein are incorporated into the specification and forms part of this specification, and shows the implementation for meeting the disclosure
Example, and together with specification for explaining the principles of this disclosure.It should be evident that the accompanying drawings in the following description is only the disclosure
Some embodiments for those of ordinary skill in the art without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 schematically shows the overall structure diagram of stiffness measurement device in disclosure exemplary embodiment;
Fig. 2 is the diagrammatic cross-section in Fig. 1 along line A-A;
Fig. 3 is the diagrammatic cross-section in Fig. 2 along line B-B.
The reference numerals are as follows: 100, mouse cage bullet branch;10, fixing seat;21, switching beam;22, adapter;23, sleeve;
24, clamping nut;31, seat is measured;32, it links up with;33, displacement sensor;34, mount hole;35, plane is measured;41, compression ring;
42, the second connection component.
Specific embodiment
Example embodiment is described more fully with reference to the drawings.However, example embodiment can be with a variety of shapes
Formula is implemented, and is not understood as limited to example set forth herein;On the contrary, thesing embodiments are provided so that the disclosure will more
Fully and completely, and by the design of example embodiment comprehensively it is communicated to those skilled in the art.Described feature, knot
Structure or characteristic can be incorporated in any suitable manner in one or more embodiments.In the following description, it provides perhaps
More details fully understand embodiment of the present disclosure to provide.It will be appreciated, however, by one skilled in the art that can
It is omitted with technical solution of the disclosure one or more in the specific detail, or others side can be used
Method, constituent element, device, step etc..In other cases, be not shown in detail or describe known solution to avoid a presumptuous guest usurps the role of the host and
So that all aspects of this disclosure thicken.
In this specification using term "one", " one ", "the" and " described " to indicate there are one or more elements/
Component part/etc.;Term " comprising " and " having " is to indicate the open meaning being included and refer in addition to listing
Element/component part/also may be present except waiting other element/component part/etc.;Term " first " and " second " etc. are only made
It is used for label, is not the quantity limitation to its object.
It in the related technology, can be by mouse cage bullet Zhi An in order to measure the lateral stiffness in a certain orientation mouse cage bullet Zhi Yuanzhou
Rim is directly anchored in base platform, applies concentrfated load in the free end that mouse cage bullet props up using the counterweight of different quality, and
The corresponding displacement of mouse cage bullet branch free end is measured by eddy current displacement sensor, and then calculates mouse cage bullet branch this side up
Lateral stiffness.
Wherein, when installing mouse cage bullet branch, the circumferentially distributed screw hole in side is installed by mouse cage using bolt cooperation mouse cage bullet branch
The installation side of bullet branch is fastened in base platform.And in the lateral stiffness in other orientation mouse cage bullet Zhi Yuanzhou to be measured, it needs
All bolts for fastening mouse cage bullet branch installation side are all disassembled, then mouse cage bullet branch rotates by a certain angle and is consolidated again
It is fixed, repeatedly.
Obviously, whole when carrying out the measurement of mouse cage bullet branch different direction lateral stiffness using traditional mouse cage bullet branch measuring device
A disassembly process is cumbersome, time-consuming and laborious, inefficiency.Especially more than the mouse cage bullet branch circumferential orientation number of measurement and
When mouse cage bullet branch number is more, the drawbacks of traditional mouse cage bullet branch lateral stiffness measuring device, is more obvious, can seriously affect work
Progress and the manual labor amount for increasing testing crew.
Fig. 1 schematically shows the overall structure diagram of stiffness measurement device in disclosure exemplary embodiment;Fig. 2 is figure
Along the diagrammatic cross-section of line A-A in 1;Fig. 3 is the diagrammatic cross-section in Fig. 2 along line B-B.
A kind of stiffness measurement device that the disclosure provides, advantage and has the active effect that
The disclosure provide a kind of stiffness measurement device, can by being rotatably assorted between switching beam and adapter,
Mouse cage bullet branch is driven to rotate by a certain angle, to realize the measurement for propping up mouse cage bullet multiple orientation lateral stiffness.On the one hand, it avoids
Previous stiffness measurement device needs to repeat mouse cage bullet Zhi Jinhang into dismounting work, have when measuring multiple orientation lateral stiffness
Improve measurement efficiency to effect;On the other hand, mouse cage bullet branch is fixed on adapter, can quickly adjust the circumferential direction of mouse cage bullet branch
Angle, and the stability of mouse cage bullet branch installation is not influenced, it can avoid the change due to mouse cage bullet branch mounting condition and introduce other
Measurement error ensure that the accuracy of measurement result.
In this exemplary embodiment, as shown in Figure 1 and Figure 2, changeover mechanism may include switching beam 21 and adapter 22,
Middle switching beam 21 has both ends, and 21 first end of switching beam can be fixed in fixing seat 10, and for the ease of fixed transfer beam, can
There are opposite two planes so that the outer peripheral surface of switching beam first end is arranged.Fixing seat can have two opposite planes, wherein first
Plane can be fixed on a horizontal plane, and the second plane can carry one of plane of 21 first end of switching beam.
Specifically, fixing seat 10 may include multiple bolts, plain cushion, nut and crossbeam, and cooperate fixing seat 10
The conduit opened up in two planes, fixed transfer beam 21.As shown in Figure 1 and Figure 2, the conduit opened up in fixing seat 10 can be inverted T shaped
Slot, crossbeam can be the H-type crossbeam of inward at both ends recess.Wherein, it is flat in fixing seat 10 can be opened in switching beam 21 for inverted T shaped groove
The two sides of face projection, the bolt head of at least four bolts are placed in inverted T shaped groove, and two H-type crossbeams are across in switching beam 21 first
In plane on end and two concave ends can cooperate receiving bolt, and plain cushion and nut are fastened on bolt with the both ends to H-type crossbeam
Apply pressing force, switching beam 21 is fixed in fixing seat 10.In this exemplary embodiment, for the ease of processing, fixing seat
10 can be cuboid-type, and 21 first end of switching beam can be for cylindrical body and with two opposite planes.In other embodiments,
There may also be a variety of relatively-stationary modes, the shapes of fixing seat and switching beam first end with switching beam first end for fixing seat 10
It is not limited to foregoing description with structure, the disclosure does not do particular determination herein.
Further, the second end of switching beam 21 can run through adapter 22, and switching beam 21 can turn with adapter 22
Dynamic cooperation, to drive the mouse cage bullet Zhi Xuanzhuan being fixed on adapter.In order to realize being rotatably assorted for switching beam and adapter,
On the contact surface that switching beam 21 and adapter 22 are rotatably assorted, the outer peripheral surface of switching beam 21 may include the first shiny surface, switching
Seat 22 is equipped with through-hole, and the inner surface of through-hole may include the second shiny surface, and the second shiny surface can rotationally be bonded the first light
Sliding surface.Specifically, the circular conical surface is from switching beam as shown in Fig. 2, the outer peripheral surface of 21 interlude of switching beam can be a circular conical surface
Second end to the first extreme direction is gradually expanded, and the through-hole of adapter 22 is then the circular cone with 21 circular conical surface of switching beam with taper
Hole.
Further, it after adapter 22 drives mouse cage bullet branch to turn to the position for needing to measure relative to switching beam 21, needs
Both adapter and switching beam is fixed.Therefore, changeover mechanism can also include compressing unit, which may include
Sleeve 23 and clamping nut 24.Correspondingly, 21 second end of switching beam has one to the direction far from adapter after through-hole
Extended segment, the extended segment can be cylindrical bar, and be equipped with screw thread by the cylindrical surface of proximal end face in cylindrical bar.Sleeve 23 can be arranged
In the cylindrical bar, clamping nut 24 can then be threadedly connected to the cylindrical surface of cylindrical bar, and one end and the adapter 22 of sleeve 23 connect
Touching, the other end of sleeve 23 are contacted with clamping nut 24, and clamping nut 24 can cooperate the screw thread of cylindrical bar to push against sleeve 23, are made
The conical bore for obtaining adapter 22 is tightly bonded with the circular conical surface of switching beam 21, and both adapter 22 and switching beam 21 are relatively fixed.
And when needing to rotate mouse cage bullet branch, clamping nut 24 and sleeve 23 can be loosened, it again can between adapter 22 and switching beam 21
To relatively rotate.
In other embodiments, the mode that is rotatably assorted between switching beam and adapter is without being limited thereto, such as in switching beam
Between the outer peripheral surface of section can also be periphery, the through-hole of adapter can be then the circular hole that cooperates with switching beam periphery.Accordingly
Ground, the fixed form between switching beam and adapter are also not necessarily limited to this, can also be snap connection, bolt screw hole connection etc. side
Formula.The disclosure does not do particular determination herein.
Further, in order to realize adapter 22 drive mouse cage bullet branch relatively rotate, need for mouse cage bullet branch to be fixed on turn
On joint chair 22.And in order to improve the disassembly efficiency of mouse cage bullet branch, the stiffness measurement device of this example embodiment can also include tight
Gu mechanism, retention mechanism can be sheathed on the installation side of mouse cage bullet branch, and be removably attachable to the adapter 22.Specifically
For, retention mechanism may include compression ring 41 and the second connection component 42, wherein the second connection component 42 may include bolt,
Plain cushion and nut.As shown in Fig. 2, the installation side of mouse cage bullet branch can be resisted against on adapter 22, compression ring 41 is annular in shape,
It can be sheathed on the installation side of mouse cage bullet branch, compression ring 41 and adapter 22 are circumferentially correspondingly provided with multiple groups through-hole, and bolt is set
Compression ring 41 and adapter 22 are together in series in compression ring through-hole corresponding with adapter, and through plain cushion and nut, twisted
Mouse cage bullet branch is fixed on adapter 22 by tight bolt.Meanwhile the extended segment of switching beam 21 passes through the inner cavity of mouse cage bullet branch simultaneously
It is extend out to the outside of mouse cage bullet branch end face, so that clamping nut 24 protrudes from the outer end face of mouse cage bullet branch, in order to user couple
Clamping nut 24 carries out rotation operation.
In addition, mouse cage bullet branch is fixed on adapter, the lateral stiffness in the multiple orientation for measuring mouse cage bullet branch
In the process, without repeating dismounting mouse cage bullet branch, can quickly adjusting the circumferential angle of mouse cage bullet branch and influencing mouse cage bullet Zhi An
The stability of dress can avoid the change due to mouse cage bullet branch mounting condition and introduce other measurement errors, ensure that measurement result
Accuracy.
In this exemplary embodiment, for the stiffness measurement to mouse cage bullet Zhi Jinhang different direction, the rigidity of the disclosure is surveyed
Measuring device can also include measuring mechanism.As shown in Figure 2 and Figure 3, which may include measurement seat 31, hook 32, counterweight
And displacement sensor 33.Wherein, measurement seat 31 can be sheathed on mouse cage bullet and prop up one end far from adapter 22.Measuring seat 31 can
Think annular shape, and for the ease of measuring the installation of seat, the semicircular rings that measurement seat 31 is detachably connected by two can be set
It is spliced.Specifically, two semicircular rings split hubs are set to mouse cage bullet and prop up one end far from adapter, and each in mosaic
Equipped with the protrusion for protruding from anchor ring, each protrusion is equipped with through-hole, to be fixedly connected by bolt, nut by lug is connected.
In other embodiments, the connection type of two halves circular rings can also be to snap connection or other are able to achieve and are fixedly connected
Connection type, the disclosure do not do particular determination herein.
Further, measurement seat 31 can circumferentially be equipped with multiple mount holes, such as mount hole 34.One end tool of hook 32
There is hook head, hook head can be extend into mount hole 34, and nut is cooperated to screw hook head, link up with 32 other end and have load
Weight platform, load table can be used for holding counterweight.Displacement sensor 33 can be set to the vertical surface of measurement seat 31 and have one
Fixed spacing, and be located on same vertical line with the center of measurement seat.
In addition, can also include multiple measurement planes 35 on the outer peripheral surface of measurement seat, and each measure plane can be with
One mount hole is centrosymmetric about the center of measurement seat, so that each group of measurement being centrosymmetric about measurement seat center
Plane and mount hole can be used for the stiffness measurement to mono- orientation mouse cage bullet Zhi Jinhang.I.e. in same vertical line, on to
Under be sequentially arranged displacement sensor 33, measurement plane 35, mount hole 34, hook 32 and one or more counterweight.
You need to add is that before the test, can also be determined in advance the mouse cage bullet for needing to measure prop up it is total in half of circumference
Thus lateral stiffness quantity obtains the quantity for measuring plane and mount hole on measurement seat, and processes respective counts on measurement seat
The measurement plane and mount hole of amount.
To sum up, the stiffness measurement device that the disclosure provides, after having measured mouse cage bullet and propping up the lateral stiffness in a certain orientation, if
Measure the lateral stiffness in another orientation, it is only necessary to hook 32 be disassembled with counterweight, loosen clamping nut 24, then will be turned
The related mouse cage bullet branch of joint chair 22, measurement seat 31 rotate integrally certain angle, keep 33 face of displacement sensor measurement seat 31 to be measured
Plane 35 is measured, then hangs on hook 32 in the corresponding mount hole 34 of measurement plane 35 to be measured again, is carried out again rigid
Degree measurement.
The stiffness measurement device that the disclosure provides when the lateral stiffness to multiple orientation mouse cage bullet Zhi Jinhang measures,
Without dismounting mouse cage bullet Zhi Chongfu, measurement efficiency is substantially increased.Especially when the mouse cage bullet branch circumferential orientation number of measurement
When more and mouse cage bullet branch number is more, job schedule can be accelerated and reduce the manual labor amount of testing crew.
Above-mentioned described feature, structure or characteristic can be incorporated in one or more embodiment party in any suitable manner
In formula, if possible, it is characterized in discussed in each embodiment interchangeable.In the above description, it provides many specific thin
Section fully understands embodiments of the present invention to provide.It will be appreciated, however, by one skilled in the art that this can be practiced
The technical solution of invention, or can be using other methods, component, material without one or more in the specific detail
Material etc..In other cases, known features, material or operation are not shown in detail or describe to avoid each side of the invention is obscured
Face.
Those skilled in the art after considering the specification and implementing the invention disclosed here, will readily occur to its of the disclosure
Its embodiment.This application is intended to cover any variations, uses, or adaptations of the disclosure, these modifications, purposes or
Person's adaptive change follows the general principles of this disclosure and including the undocumented common knowledge in the art of the disclosure
Or conventional techniques.The description and examples are only to be considered as illustrative, and the true scope and spirit of the disclosure are by appended
Claim is pointed out.
Claims (10)
1. a kind of stiffness measurement device, for measuring mouse cage bullet Zhi Jinhang lateral stiffness, which is characterized in that the stiffness measurement
Device includes fixing seat, changeover mechanism and measuring mechanism:
The changeover mechanism includes switching beam and adapter, and the switching beam has first end and second end, the switching beam
First end is fixed in the fixing seat, and the second end of the switching beam through the adapter and is rotatably assorted;
The mouse cage bullet branch is fixed on an end face of first end of the adapter far from the switching beam;
The measuring mechanism is set to the mouse cage bullet and props up one end far from the adapter, and the measuring mechanism can be measured circumferentially
The lateral stiffness of the mouse cage bullet branch.
2. stiffness measurement device according to claim 1, which is characterized in that rotated in the switching beam and the adapter
On the contact surface of cooperation, the outer peripheral surface of the switching beam includes the first shiny surface, and the adapter is equipped with through-hole, the through-hole
Inner surface includes the second shiny surface, and the switching beam passes through the through-hole, and described in second shiny surface is rotationally bonded
First shiny surface.
3. stiffness measurement device according to claim 2, which is characterized in that first shiny surface is from the switching beam
The circular conical surface that is gradually expanded to the first extreme direction of second end.
4. stiffness measurement device according to claim 3, which is characterized in that the switching beam further includes extended segment, described
Between the adapter and the second end of the switching beam, the changeover mechanism further includes compressing unit for extended segment:
The compressing unit is sheathed on the extended segment and moves relative to the extended segment, to compress or loosen the switching
Seat.
5. stiffness measurement device according to claim 4, which is characterized in that the compressing unit includes sleeve and compression spiral shell
Cap:
The sleeve is cylindrical, is sheathed on the extended segment;
The clamping nut is sheathed on the extended segment and is located at the one end of the sleeve far from the adapter, the compression spiral shell
Cap thread is connected to the extended segment and the adapter can be compressed or loosened by the sleeve.
6. stiffness measurement device according to claim 1-5, which is characterized in that the measuring mechanism includes measurement
Seat, hook, counterweight and displacement sensor:
The measurement cover for seat is set to the mouse cage bullet and props up one end far from the adapter, and the measurement seat is circumferentially arranged with multiple
Mount hole;
Described hook one end can hang on the mount hole, and the hook other end is equipped with the load-carrying that can carry the counterweight
Platform;
Institute's displacement sensors are set to the vertical surface of the measurement seat, and with the center of the measurement seat positioned at same vertical
On line.
7. stiffness measurement device according to claim 6, which is characterized in that the outer peripheral surface of the measurement seat includes multiple surveys
Plane is measured, and each center of the measurement plane with a mount hole about measurement seat is centrosymmetric.
8. stiffness measurement device according to claim 7, which is characterized in that the measurement seat is circular, and the survey
The semicircular rings that amount seat is detachably connected by two are spliced.
9. stiffness measurement device according to claim 8, which is characterized in that the mouse cage bullet Zhi Yiduan has circular
Side is installed, the installation side is resisted against on the adapter, and the stiffness measurement device further includes retention mechanism:
The retention mechanism is sheathed on the installation side of the mouse cage bullet branch, and is removably attachable to the adapter
On.
10. stiffness measurement device according to claim 9, which is characterized in that the retention mechanism include compression ring and
Second connection component:
The compression ring is sheathed on the installation side of the mouse cage bullet branch, and the compression ring and the adapter are circumferentially right
Multiple groups through-hole should be equipped with;
Second connection component cooperates the through-hole with the fixation compression ring and the adapter.
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CN113176150A (en) * | 2021-05-17 | 2021-07-27 | 哈尔滨汽轮机厂有限责任公司 | Squirrel cage deformation test device and method |
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CN111351663B (en) * | 2019-12-31 | 2022-06-28 | 中国航发哈尔滨轴承有限公司 | Bullet rigidity detection device |
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