CN109058380A - Mouse cage bullet branch metal-rubber damper - Google Patents
Mouse cage bullet branch metal-rubber damper Download PDFInfo
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- CN109058380A CN109058380A CN201810855304.4A CN201810855304A CN109058380A CN 109058380 A CN109058380 A CN 109058380A CN 201810855304 A CN201810855304 A CN 201810855304A CN 109058380 A CN109058380 A CN 109058380A
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- rubber
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- support
- bullet branch
- cap
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/10—Suppression of vibrations in rotating systems by making use of members moving with the system
- F16F15/12—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon
- F16F15/121—Suppression of vibrations in rotating systems by making use of members moving with the system using elastic members or friction-damping members, e.g. between a rotating shaft and a gyratory mass mounted thereon using springs as elastic members, e.g. metallic springs
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Support Of The Bearing (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of mouse cage bullet branch metal-rubber dampers, including elastic bearing assembly, elastic bearing assembly includes support, the shaft being arranged in support, the bearing being placed in shaft and the mouse cage bullet branch for supporting shaft and bearing, mouse cage bullet branch includes the bullet branch installation side for being fixedly connected with support, set on bullet branch install avris to spring and set on spring end for installing the bullet branch bearing block of bearing, the end of support is equipped with end cap, the metal-rubber of cavity structure component and the bearing damping for providing rotor-support-foundation system is equipped with around bullet branch bearing block, the inner face of cavity structure component and end cap, the inner wall of support and the outside wall surface of bullet branch bearing block form closed cavity, metal-rubber is set in closed cavity.Mouse cage bullet branch metal-rubber damper of the invention is damped by the main bearing that metal-rubber provides rotor-support-foundation system, guarantees there is stable linear bearings rigidity in biggish extrusion deformation range.
Description
Technical field
The present invention relates to the elastic bearing technical fields of high-speed rotor system, particularly, are related to a kind of mouse cage bullet branch metal
Rubber cushion assembly.
Background technique
The manufacture claim rotor of the high-speed rotating machines such as high-performance, the aero-engine of high reliability has excellent damping
Damper, to ensure that vibration of the rotor-support-foundation system close to critical speed and when passing through Multi-critical speed is controlled effectively.It squeezes
Press film damper (squeeze film damper, SFD) because structure is simple, small in size, light weight and cost is cheap, vibration damping effect
The advantages that fruit is significant is widely used in the high-speed rotating machines such as Aeronautics and Astronautics engine.But SFD is a kind of non-linear resistance
Buddhist nun's device, in high revolving speed and larger amount of unbalance, oil film rigidity increases with the increase of axle journal eccentricity and in nonlinearity,
It is easy to generate the serious harmful phenomenon such as " bistable state jump " and " locked ", deteriorates vibration of rotor system, then give engine
Bring harm.
Summary of the invention
The present invention provides a kind of mouse cage bullet branch metal-rubber dampers, unstable with the damping characteristic for solving existing damper
Fixed technical problem.
According to an aspect of the present invention, a kind of mouse cage bullet branch metal-rubber damper is provided, including for providing rotor
The elastic bearing assembly of the main support stiffness of system, elastic bearing assembly include support, the shaft being arranged in support, are placed on
Bearing in shaft and the mouse cage bullet branch for supporting shaft and bearing, mouse cage bullet branch include for mouse cage bullet branch to be fixed on
The bullet branch installation side that is fixedly connected with support, installed set on bullet branch avris to spring and set on spring end for pacifying
The bullet branch bearing block of bearing is filled, the end of support is equipped with end cap, is equipped with cavity structure component and use around bullet branch bearing block
In the metal-rubber for the bearing damping for providing rotor-support-foundation system, the inner face of cavity structure component and end cap, support inner wall with
And the outside wall surface of bullet branch bearing block forms closed cavity, metal-rubber is set in closed cavity.
Further, radially there is clearance space in cavity structure component, to realize metal-rubber radially
Flexible deformation.
Further, the interior sidewall surface of the close shaft side of metal-rubber and close to support side outer side surface with it is close
The inner wall fitting of cavity is closed, the vibration of shaft causes the offset of cavity structure component radially and then sends out metal-rubber
Raw radial deformation and the vibration for inhibiting shaft.
Further, cavity structure component is the use that multiple annular elements being placed on outside bullet branch bearing block mutually overlap formation
In the clad structure of cladding metal-rubber.
Further, cavity structure component includes inner cover, left sealing cap, right aling cap, compacting ring, the outside wall surface of inner cover with
The inner wall of support is bonded, and there are clearance space, the inner ends of inner cover and end cap between inner cover and bullet branch bearing block outside wall surface
There are clearance spaces between face；The outer end face of compacting ring is bonded with the inner face of end cap, the medial surface and bullet branch bearing of compacting ring
The outside wall surface fitting of seat, there are clearance spaces between the lateral surface of compacting ring and the inner wall of support；Left sealing cap and bullet branch bearing
The outside wall surface of seat is bonded and there are clearance space, the first inner wall face pastes of left sealing cap and inner cover between the inner face of compacting ring
Close and between the second inner wall of inner cover there are clearance space, right aling cap be bonded with the inner face of compacting ring and with bullet fulcrum
Hold there are clearance space between the outside wall surface of seat, right aling cap be bonded with the second inner wall of inner cover and with the first of inner cover in
There are clearance spaces between wall surface, and the clearance space between inner cover and bullet branch bearing block is hindered by left sealing cap and metal-rubber
Every the clearance space between clearance space and inner cover and compacting ring between inner cover and end cap passes through right aling cap and metal rubber
Glue barrier, to constitute the closed cavity of installing metal-rubber to prevent the wire in metal-rubber from falling in rotor-support-foundation system
Portion.
Further, cavity structure component further includes left end envelope and right end seal, and the inner face and metal-rubber of left end envelope paste
Close, the outer end face of left end envelope be bonded with left sealing cap, there are clearance space between the inner end that left end is sealed and left sealing cap, left sealing cap and
The outboard end and metal-rubber that clearance space between inner cover is sealed by left end obstruct, the inner face and metal-rubber of right end seal
Fitting, the outer end face of right end seal are bonded with right aling cap, and there are clearance space, right aling caps between the outboard end and right aling cap of right end seal
Clearance space between bullet branch bearing block is obstructed by the inner end of right end seal and metal-rubber.
Further, end cap and support are affixed, so that metal-rubber is generated initial deformation, gold along axial by squeezing compacting ring
Belong to rubber and left sealing cap and right aling cap is fitted closely to ensure that the vibration of shaft is timely transmitted to metal-rubber so that metal-rubber
It generates radial deformation and inhibits the vibration of shaft.
Further, the number, length of spring, the derivation of width and thickness support stiffness as required for rotor-support-foundation system obtain
?.
Further, metal-rubber is made of at least one of stainless steel wire, copper wire, shape-memory alloy wire.
Further, the porosity of metal-rubber and shape support damping as required for rotor-support-foundation system and derive acquisition.
The invention has the following advantages:
Mouse cage bullet branch metal-rubber damper of the invention, by the way that cavity structure component is arranged around bullet branch bearing block
Closed cavity is formed with the outside wall surface of the inner face of end cap, the inner wall of support and bullet branch bearing block and is set to metal-rubber
In closed cavity, when vibration of rotor system, vibration is transferred to metal by bearing, bullet branch bearing block and cavity structure component
Rubber makes metal-rubber generate flexible deformation and inhibits the vibration of shaft so that vibrational energy be dissipated, ensure that rotor system
The stability of system, and metal-rubber is set in closed cavity, is avoided the wire to fall off and is entered influence turn in rotor-support-foundation system
The safe operation of subsystem；The main bearing damping of rotor-support-foundation system is provided by metal-rubber, is guaranteed in biggish extrusion deformation
There is stable linear bearings rigidity in range, while having both good damping capacity, and do not need oil supply system, play fulcrum
The spring end that seat is set to mouse cage bullet branch is held, the main support stiffness of rotor-support-foundation system is provided by mouse cage bullet branch and installation is provided and determine
The heart and rotor static load is undertaken, while in rotor oscillation, the flexible deformation of mouse cage bullet branch can also absorb partial vibration energy, play
Reduce the effect of vibration.
Other than objects, features and advantages described above, there are also other objects, features and advantages by the present invention.
Below with reference to figure, the present invention is described in further detail.
Detailed description of the invention
The attached drawing constituted part of this application is used to provide further understanding of the present invention, schematic reality of the invention
It applies example and its explanation is used to explain the present invention, do not constitute improper limitations of the present invention.In the accompanying drawings:
Fig. 1 is the structural schematic diagram of the mouse cage bullet branch metal-rubber damper of the preferred embodiment of the present invention；
Fig. 2 is the enlarged structure schematic diagram at the A of the preferred embodiment of the present invention；
Fig. 3 is the structural schematic diagram of the cavity structure component of another embodiment of the present invention；
Fig. 4 is the structural schematic diagram of the cavity structure component of another embodiment of the present invention；
Fig. 5 is the structural schematic diagram of the cavity structure component of another embodiment of the present invention；
Fig. 6 is the structural schematic diagram of the cavity structure component of another embodiment of the present invention.
Marginal data:
1, support；2, shaft；3, bearing；4, mouse cage bullet branch；41, bullet branch installs side；42, spring；43, bullet branch bearing block；
5, end cap；6, cavity structure component；61, inner cover, 62, left sealing cap；63, right aling cap；64, compacting ring；65, left end is sealed；66, right
End seal；7, metal-rubber.
Specific embodiment
The embodiment of the present invention is described in detail below in conjunction with attached drawing, but the present invention can be limited by following and
The multitude of different ways of covering is implemented.
Fig. 1 is the structural schematic diagram of the mouse cage bullet branch metal-rubber damper of the preferred embodiment of the present invention；Fig. 2 is the present invention
Enlarged structure schematic diagram at the A of preferred embodiment；Fig. 3 is the structural representation of the cavity structure component of another embodiment of the present invention
Figure；Fig. 4 is the structural schematic diagram of the cavity structure component of another embodiment of the present invention；Fig. 5 is the sky of another embodiment of the present invention
The structural schematic diagram of cavity configuration component；Fig. 6 is the structural schematic diagram of the cavity structure component of another embodiment of the present invention.
As shown in Figure 1, the mouse cage bullet branch metal-rubber damper of the present embodiment, including for providing the main of rotor-support-foundation system
The elastic bearing assembly of support stiffness, elastic bearing assembly include support 1, the shaft being arranged in support 12, are placed in shaft 2
Bearing 3 and mouse cage bullet branch 4 for supporting shaft 2 and bearing 3, mouse cage bullet branch 4 includes for being fixedly connected with support 1
The installation of bullet branch while 41, set on the installation of bullet branch while 41 sides to spring 42 and set on 42 end of spring for installing bearing 3
Bullet branch bearing block 43, the end of support 1 are equipped with end cap 5, and cavity structure component 6 is equipped with around bullet branch bearing block 43 and is used for
The metal-rubber 7 of the bearing damping of rotor-support-foundation system, cavity structure component 6 and the inner face of end cap 5, the inner wall of support 1 are provided
And the outside wall surface of bullet branch bearing block 43 forms closed cavity, metal-rubber 7 is set in closed cavity.Mouse cage bullet branch of the invention
Metal-rubber damper, by inner face, support 1 that cavity structure component 6 and end cap 5 are arranged around bullet branch bearing block 43
Inner wall and bullet branch bearing block 43 outside wall surface formed closed cavity and by metal-rubber 7 be set to closed cavity in, when turn
When subsystem vibrates, vibration is transferred to metal-rubber 7 by bearing 3, bullet branch bearing block 43 and cavity structure component 6, makes gold
Belong to rubber 7 and generate flexible deformation, so that vibrational energy be dissipated, inhibits the vibration of shaft 2, ensure that the stabilization of rotor-support-foundation system
Property, and metal-rubber 7 is set in closed cavity, is avoided the wire to fall off and is entered influence rotor-support-foundation system in rotor-support-foundation system
Safe operation；The main bearing damping of rotor-support-foundation system is provided by metal-rubber 7, guarantees have in biggish extrusion deformation range
There is stable linear bearings rigidity, while having both good damping capacity, and do not need oil supply system, bullet branch bearing block 43 is set
In 42 end of spring of mouse cage bullet branch 4, the main support stiffness of rotor-support-foundation system is provided by mouse cage bullet branch 4 and installation centering is provided
With undertake rotor static load, while in rotor oscillation, the flexible deformation of mouse cage bullet branch 4 can also absorb partial vibration energy, play
Reduce the effect of vibration.
As depicted in figs. 1 and 2, radially there is clearance space in cavity structure component 6, to realize 7 edge of metal-rubber
The flexible deformation of radial direction.When vibration of rotor system, vibration passes through bearing 3, bullet branch bearing block 43 and cavity structure group
Part 6 is transferred to metal-rubber 7, and radially existing clearance space has metal-rubber 7 radially to cavity structure component 6
Direction carries out the space of flexible deformation, and metal-rubber 7 is made to carry out corresponding flexible deformation according to oscillating load to inhibit rotor system
The vibration of system.In the present embodiment, cavity structure component 6 includes inner cover 61, left sealing cap 62, right aling cap 63, compacting ring 64, interior envelope
The section of lid 61, left sealing cap 62 and right aling cap 63 is L-shaped, and the outside wall surface of inner cover 61 is bonded with the inner wall of support 1, interior
There are clearance spaces between capping 61 and the outside wall surface of bullet branch bearing block 43, exist between inner cover 61 and the inner face of end cap 5
Clearance space；The outer end face of compacting ring 64 is bonded with the inner face of end cap 5, medial surface and the bullet branch bearing block 43 of compacting ring 64
Outside wall surface fitting, there are clearance spaces between the lateral surface of compacting ring 64 and the inner wall of support 1；Left sealing cap 62 and bullet branch bearing
The outside wall surface of seat 43 is bonded and there are clearance space, left sealing caps 62 and the first of inner cover 61 between the inner face of compacting ring 64
Inner wall is bonded and there are clearance space, the inner faces of right aling cap 63 and compacting ring 64 between the second inner wall of inner cover 61
It is bonded and there are clearance space, the second inner wall face pastes of right aling cap 63 and inner cover 61 between the outside wall surface of bullet branch bearing block 43
It closes and there are clearance space between the first inner wall of inner cover 61, the gap between inner cover 61 and bullet branch bearing block 43 is empty
Between obstructed by left sealing cap 62 and metal-rubber 7, clearance space and inner cover 61 and compacting ring between inner cover 61 and end cap 5
Clearance space between 64 is obstructed by right aling cap 63 and metal-rubber 7, thus constitute the closed cavity of installing metal-rubber 7 with
Prevent the wire in metal-rubber 7 from falling to inside rotor-support-foundation system.When vibration of rotor system, vibration passes through bearing 3 and bullet
When branch bearing block 43 is transferred to cavity structure component 6, each clearance space reduces, thus reduce the volume of closed cavity, gold
The radial direction of category rubber 7 generates flexible deformation to inhibit the vibration of rotor-support-foundation system after being squeezed.Optionally, inner cover 61
Section is L-shaped, and the section of left sealing cap 62 and right aling cap 63 is in groove profile.Inner cover 61, left sealing cap 62 and right aling cap 63 are mutual
Metal-rubber 7 is included after cooperation.The outside wall surface of inner cover 61 is bonded with the inner wall of support 1, inner cover 61 and bullet branch bearing
There are clearance spaces between the outside wall surface of seat 43, and there are clearance spaces between inner cover 61 and the inner face of end cap 5.Left sealing cap 62
The outside wall surface of slot bottom be bonded with bullet branch bearing block 43, the outside wall surface of the slot bottom of right aling cap 63 and the second inner wall of inner cover 61
Fitting.There are clearance spaces between two trough rims of left sealing cap 62 and two trough rims of right aling cap 63.The presence of clearance space makes gold
Flexible deformation can be occurred by belonging to rubber 7.Metal-rubber 7 is obstructed with rotor-support-foundation system by inner cover 61, avoids 7 bullet of metal-rubber
Clearance space of the wire to fall off in property deformation process between left sealing cap 62 and right aling cap 63 falls into the inside of rotor-support-foundation system.
As depicted in figs. 1 and 2, the interior sidewall surface of the close shaft 2 of metal-rubber 7 and close to support 1 outer side surface with
The inner wall of closed cavity is bonded, and the vibration of shaft 2 causes the offset of cavity structure component 6 radially and then makes metal rubber
Glue 7 occurs radial deformation and inhibits the vibration of shaft 2.Optionally, the inner face of metal-rubber 7 is bonded with left sealing cap 62, metal
The outer end face of rubber 7 is bonded with right aling cap 63, and the interior sidewall surface of metal-rubber 7 is bonded with left sealing cap 62, the outside of metal-rubber 7
Wall surface is bonded with right aling cap 63.There are clearance spaces between right aling cap 63 and bullet branch bearing block 43.The end face and the right side of left sealing cap 62
The inner wall of capping 63 is locally bonded to be hindered the clearance space between metal-rubber 7 and right aling cap 63 and bullet branch bearing block 43
Every.In the present embodiment, the inner face of left end envelope 65 is bonded with metal-rubber 7, and the outer end face and left sealing cap 62 of left end envelope 65 paste
It closes, there are clearance spaces between the inner end and left sealing cap 62 of left end envelope 65, and the gap between left sealing cap 62 and inner cover 61 is empty
Between obstructed by the outboard end and metal-rubber 7 of left end envelope 65, the inner face of right end seal 66 is bonded with metal-rubber 7, right end seal
66 outer end face is bonded with right aling cap 63, and there are clearance space, right aling caps 63 between the outboard end and right aling cap 63 of right end seal 66
Clearance space between bullet branch bearing block 43 is obstructed by the inner end of right end seal 66 and metal-rubber 7.Left end envelope 65 is placed on
There are clearance space outside left sealing cap 62 and with left sealing cap 62, right end seal 66 is placed on left sealing cap 62 and is bonded with left sealing cap 62.It is logical
It crosses left end envelope 65 and right end seal 66 is obstructed metal-rubber 7 with clearance space, avoid the left sealing cap 62 due to annular, right aling cap
63 and metal-rubber 7 one at be squeezed that post gap space becomes smaller and the clearance space at another opposite place becomes larger and leads to metal rubber
The wire of glue 7 to fall off is fallen into inside rotor-support-foundation system.
Cavity structure component 6 be multiple annular elements being placed on outside bullet branch bearing block 43 mutually overlap formed be used for coat
The clad structure of metal-rubber 7.Optionally, as shown in figure 3, it is L-shaped annular element that cavity structure component 6, which includes two sections,
It is the annular element of groove profile with two sections, two L shape annular elements are overlapped on two flute profile annular elements, two flute profile rings
Shape component wraps up metal-rubber 7 from the interior sidewall surface and outer side surface of metal-rubber 7, exists between two flute profile annular elements
Clearance space, fit between the L shape annular element of the interior sidewall surface of metal-rubber 7 and the inner wall of support 1 there are gap sky
Between, fit between the L shape annular element of the outer side surface of metal-rubber 7 and the outside wall surface of bullet branch bearing block 43 there are gap sky
Between, to realize the flexible deformation of metal-rubber 7.Optionally, as shown in figure 4, it is flute profile that cavity structure component 6, which includes two sections,
Annular element, two flute profile annular elements intersect and metal-rubber 7 are wrapped in inside after overlap joint, fit in metal-rubber
There are clearance spaces between the flute profile annular element of 7 interior sidewall surface and the inner wall of support 1, fit in the outer of metal-rubber 7
There are clearance spaces between the flute profile annular element of side wall surface and the outside wall surface of bullet branch bearing block 43, to realize metal-rubber 7
Flexible deformation.Optionally, as shown in figure 5, it is L-shaped first annular component and two that cavity structure component 6, which includes four sections,
Section is L-shaped second annular element, wherein four first annular components are bonded with the surrounding of metal-rubber 7 and four the respectively
There is clearance space between one annular element.Four first annular components are enclosed with by the by two the second annular elements
Clearance space and rotor-support-foundation system inner barrier between one annular element.The inner wall of one of them the second annular element and support 1
There are clearance spaces between face, and there are clearance spaces between another second annular element and the outside wall surface of bullet branch bearing block 43.
Optionally, as shown in fig. 6, cavity structure component 6 includes inner cover 61, left sealing cap 62, right aling cap 63 and outer seal.Inner cover
61, it is L-shaped annular element that left sealing cap 62, right aling cap 63 and outer seal, which are section,.Left sealing cap 62 will be golden with right aling cap 63
Belong to rubber 7 to wrap up, inner cover 61 and outer seal enclose left sealing cap 62 and right aling cap 63.The inner wall of inner cover 61 and support 1
Between there are clearance space, the outside wall surface of inner cover 61 is bonded with the outside wall surface of bullet branch bearing block 43.Outer seal is interior with end cap 5
The fitting of the inner wall of end face and support 1, there are clearance spaces between outer seal and the outside wall surface of bullet branch bearing block 43.Left sealing cap
62 are bonded and between the second inner wall of inner cover 61 with the second inner wall of the first inner wall of inner cover 61 and outer seal
There are clearance space, right aling cap 63 is bonded with the first inner wall of the second inner wall of inner cover 61 and outer seal and and outer seal
The second inner wall between there are clearance spaces.
As depicted in figs. 1 and 2, end cap 5 and support 1 are affixed, make metal-rubber 7 along axial generation by squeezing compacting ring 64
Initial deformation, metal-rubber 7 and left sealing cap 62 and right aling cap 63 fit closely and are timely transmitted to metal with the vibration for ensuring shaft 2
Rubber 7 makes metal-rubber 7 generate radial deformation and inhibits the vibration of shaft 2.Compacting ring 64 is compressed to eliminate a left side by end cap 5
End seal 65, right end seal 66, left sealing cap 62, right aling cap 63 and inner cover 61 each end face between gap, avoid metal-rubber 7
The wire to fall off falls into the inside of rotor-support-foundation system from gap.
As depicted in figs. 1 and 2, the number, length of spring 42, width and thickness support stiffness as required for rotor-support-foundation system
It derives and obtains.Metal-rubber 7 is made of stainless steel wire, copper wire, shape-memory alloy wire.Making material is according to rotor-support-foundation system
Load Characteristics, performance requirement, working environment etc. are selected.The porosity and shape of metal-rubber 7 are as required for rotor-support-foundation system
Bearing damping derive obtain.
It can be seen from the above description that the above embodiment of the present invention realizes following technical effect:
Mouse cage bullet branch metal-rubber damper of the invention, by the way that cavity structure component is arranged around bullet branch bearing block
Closed cavity is formed with the outside wall surface of the inner face of end cap, the inner wall of support and bullet branch bearing block and is set to metal-rubber
In closed cavity, when vibration of rotor system, vibration is transferred to metal by bearing, bullet branch bearing block and cavity structure component
Rubber makes metal-rubber generate flexible deformation and inhibits the vibration of shaft so that vibrational energy be dissipated, ensure that rotor system
The stability of system, and metal-rubber is set in closed cavity, is avoided the wire to fall off and is entered influence turn in rotor-support-foundation system
The safe operation of subsystem；The main bearing damping of rotor-support-foundation system is provided by metal-rubber, is guaranteed in biggish extrusion deformation
There is stable linear bearings rigidity in range, while having both good damping capacity, and do not need oil supply system, play fulcrum
The spring end that seat is set to mouse cage bullet branch is held, the main support stiffness of rotor-support-foundation system is provided by mouse cage bullet branch and installation is provided and determine
The heart and rotor static load is undertaken, while in rotor oscillation, the flexible deformation of mouse cage bullet branch can also absorb partial vibration energy, play
Reduce the effect of vibration.
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, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of mouse cage bullet branch metal-rubber damper, the elastic bearing including the main support stiffness for providing rotor-support-foundation system
Component, elastic bearing assembly include support (1), the shaft (2) being arranged in the support (1), are placed on the shaft (2)
Bearing (3) and mouse cage bullet branch (4) for supporting the shaft (2) and the bearing (3), the mouse cage bullet branch (4) include
Bullet branch for being fixedly connected with the support (1) installs (41) lateral spring when (41), being set to bullet branch installation
(42) and set on the spring (42) end for installing the bullet branch bearing block (43) of the bearing (3),
It is characterized in that,
The end of the support (1) is equipped with end cap (5), is equipped with cavity structure component (6) around the bullet branch bearing block (43)
And the metal-rubber (7) of the bearing damping for providing rotor-support-foundation system, the cavity structure component (6) and the end cap (5)
Inner face, the support (1) inner wall and the bullet branch bearing block (43) outside wall surface formed closed cavity, the gold
Belong to rubber (7) to be set in closed cavity.
2. mouse cage bullet branch metal-rubber damper according to claim 1, which is characterized in that
Radially there is clearance space in the cavity structure component (6), to realize the metal-rubber (7) radially
Flexible deformation.
3. mouse cage bullet branch metal-rubber damper according to claim 1, which is characterized in that
The interior sidewall surface close to the shaft (2) side of the metal-rubber (7) and the outside close to the support (1) side
Wall surface is bonded with the inner wall of closed cavity, and the vibration of the shaft (2) causes the cavity structure component (6) radially
Offset so that make the metal-rubber (7) that radial deformation occurs and inhibit the vibrations of the shaft (2).
4. mouse cage bullet branch metal-rubber damper according to claim 1, which is characterized in that
The cavity structure component (6) is placed on the annular element ecto-entad phase interconnection of the bullet branch bearing block (43) outside to be multiple
Connect the clad structure for being used to coat the metal-rubber (7) to be formed.
5. mouse cage bullet branch metal-rubber damper according to claim 1, which is characterized in that
The cavity structure component (6) includes inner cover (61), left sealing cap (62), right aling cap (63), compacting ring (64),
The outside wall surface of the inner cover (61) is bonded with the inner wall of the support (1), the inner cover (61) and the bullet branch
There are clearance spaces between the outside wall surface of bearing block (43), deposit between the inner cover (61) and the inner face of the end cap (5)
In clearance space；
The outer end face of the compacting ring (64) is bonded with the inner face of the end cap (5), the medial surface of the compacting ring (64) with
The outside wall surface of the bullet branch bearing block (43) is bonded, the inner wall of the lateral surface of the compacting ring (64) and the support (1) it
Between there are clearance spaces；
The left sealing cap (62) is bonded with the outside wall surface of the bullet branch bearing block (43) and the inner face with the compacting ring (64)
Between there are clearance space, the left sealing cap (62) be bonded with the first inner wall of the inner cover (61) and with the inner cover
(61) there are clearance space between the second inner wall,
The right aling cap (63) is bonded with the inner face of the compacting ring (64) and the outside wall surface with the bullet branch bearing block (43)
Between there are clearance space, the right aling cap (63) be bonded with the second inner wall of the inner cover (61) and with the inner cover
(61) there are clearance space between the first inner wall,
Clearance space between the inner cover (61) and the bullet branch bearing block (43) by the left sealing cap (62) with it is described
Metal-rubber (7) barrier, clearance space and the inner cover (61) and institute between the inner cover (61) and the end cap (5)
The clearance space stated between compacting ring (64) is obstructed by the right aling cap (63) and the metal-rubber (7), to constitute dress
If the closed cavity of the metal-rubber (7) is to prevent the wire in the metal-rubber (7) from falling to inside rotor-support-foundation system.
6. mouse cage bullet branch metal-rubber damper according to claim 5, which is characterized in that
The cavity structure component (6) further includes that (65) and right end seal (66) are sealed in left end,
The inner face of left end envelope (65) is bonded with the metal-rubber (7), the left end seal the outer end face of (65) with it is described
Left sealing cap (62) fitting, there are clearance space, the left sides between the inner end and the left sealing cap (62) of the left end envelope (65)
Cover outboard end and the metal rubber of the clearance space between (62) and the inner cover (61) by left end envelope (65)
Glue (7) barrier,
The inner face of the right end seal (66) is bonded with the metal-rubber (7), the outer end face of the right end seal (66) with it is described
Right aling cap (63) fitting, there are clearance space, the right sides between the outboard end and the right aling cap (63) of the right end seal (66)
Cover inner end and the gold of the clearance space between (63) and the bullet branch bearing block (43) by the right end seal (66)
Belong to rubber (7) barrier.
7. mouse cage bullet branch metal-rubber damper according to claim 6, which is characterized in that
The end cap (5) and the support (1) are affixed, make the metal-rubber (7) along axis by squeezing the compacting ring (64)
To initial deformation is generated, the metal-rubber (7) is fitted closely with the left sealing cap (62) and the right aling cap (63) to ensure
The vibration of the shaft (2) is timely transmitted to the metal-rubber (7) so that the metal-rubber (7) generates radial deformation and presses down
Make the vibration of the shaft (2).
8. mouse cage bullet branch metal-rubber damper according to claim 1, which is characterized in that
The number of the spring (42), length, width and thickness support stiffness as required for rotor-support-foundation system, which derive, to be obtained.
9. mouse cage bullet branch metal-rubber damper according to claim 1, which is characterized in that
The metal-rubber (7) is made of at least one of stainless steel wire, copper wire, shape-memory alloy wire.
10. mouse cage bullet branch metal-rubber damper according to claim 1, which is characterized in that
The porosity and shape of the metal-rubber (7) support damping as required for rotor-support-foundation system and derive acquisition.
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| CN201810855304.4A CN109058380B (en) | 2018-07-31 | 2018-07-31 | Mouse cage elastic support metal rubber damper |
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| CN201810855304.4A CN109058380B (en) | 2018-07-31 | 2018-07-31 | Mouse cage elastic support metal rubber damper |
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| CN109058380B CN109058380B (en) | 2020-06-23 |
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| CN109764088A (en) * | 2019-01-09 | 2019-05-17 | 东南大学 | A kind of squeeze film thickness adjusting apparatus |
| CN109883631A (en) * | 2019-03-25 | 2019-06-14 | 中国航发湖南动力机械研究所 | Stiffness measurement device |
| CN111608749A (en) * | 2020-05-29 | 2020-09-01 | 中国航发湖南动力机械研究所 | Radial rigidity adjusting device and method for squirrel cage elastic support device and aero-engine |
| CN111637150A (en) * | 2020-05-27 | 2020-09-08 | 西安交通大学 | Foil hydrodynamic gas bearing system with elastic damping support structure |
| CN112303183A (en) * | 2020-10-31 | 2021-02-02 | 西北工业大学 | Main control type spring support dry friction damper applied to aircraft engine |
| CN113090710A (en) * | 2021-03-23 | 2021-07-09 | 南京航空航天大学 | Annular shear thickening fluid type damper and rotor-supporting system |
| CN113503305A (en) * | 2021-08-03 | 2021-10-15 | 中国航发湖南动力机械研究所 | Long and thin flexible shaft structure of sectional type engine |
| CN114688180A (en) * | 2022-03-29 | 2022-07-01 | 内蒙古工业大学 | Driven plate assembly of arc-shaped metal rubber torsion damper |
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| CN111637150A (en) * | 2020-05-27 | 2020-09-08 | 西安交通大学 | Foil hydrodynamic gas bearing system with elastic damping support structure |
| CN111637150B (en) * | 2020-05-27 | 2021-10-19 | 西安交通大学 | Foil hydrodynamic gas bearing system with elastic damping support structure |
| CN111608749A (en) * | 2020-05-29 | 2020-09-01 | 中国航发湖南动力机械研究所 | Radial rigidity adjusting device and method for squirrel cage elastic support device and aero-engine |
| CN111608749B (en) * | 2020-05-29 | 2022-07-26 | 中国航发湖南动力机械研究所 | Radial rigidity adjusting device and method for squirrel-cage elastic support device and aero-engine |
| CN112303183A (en) * | 2020-10-31 | 2021-02-02 | 西北工业大学 | Main control type spring support dry friction damper applied to aircraft engine |
| CN112303183B (en) * | 2020-10-31 | 2022-03-15 | 西北工业大学 | Main control type spring support dry friction damper applied to aircraft engine |
| CN113090710A (en) * | 2021-03-23 | 2021-07-09 | 南京航空航天大学 | Annular shear thickening fluid type damper and rotor-supporting system |
| CN113503305A (en) * | 2021-08-03 | 2021-10-15 | 中国航发湖南动力机械研究所 | Long and thin flexible shaft structure of sectional type engine |
| CN114688180A (en) * | 2022-03-29 | 2022-07-01 | 内蒙古工业大学 | Driven plate assembly of arc-shaped metal rubber torsion damper |
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