CN105840729B - A kind of shafting bearing snubber base for ship bulkhead - Google Patents
A kind of shafting bearing snubber base for ship bulkhead Download PDFInfo
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- CN105840729B CN105840729B CN201610220511.3A CN201610220511A CN105840729B CN 105840729 B CN105840729 B CN 105840729B CN 201610220511 A CN201610220511 A CN 201610220511A CN 105840729 B CN105840729 B CN 105840729B
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- bearing
- vibration damping
- bulkhead
- shafting
- cover
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- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
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- 229910001018 Cast iron Inorganic materials 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
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- 230000005540 biological transmission Effects 0.000 description 2
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Classifications
-
- 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
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
- F16F15/06—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs
- F16F15/073—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means with metal springs using only leaf springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
-
- 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
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
- F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
- F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
- F16C35/07—Fixing them on the shaft or housing with interposition of an element
- F16C35/073—Fixing them on the shaft or housing with interposition of an element between shaft and inner race ring
Abstract
The invention discloses a kind of shafting bearing snubber base, bulkhead including axle and support shaft, a pair of sleeves are set with axle, the top of sleeve is provided with screw thread, bearing is set with sleeve, locking nut compresses the inner ring of bearing, bearing outer sheath is equipped with Base body, there is transparent cover at the both ends of Base body, dust ring is provided between transparent cover and axle, also include being sleeved on a pair of truncated cone-shaped vibration damping covers on the outside of Base body, vibration damping cover is fixed in Base body, the bottom of vibration damping cover is installed on bulkhead by annular flange, the multilayer connector that vibration damping cover is made up of woven wire block layer and elastic metal coating sheet gap.The present invention can be used in marine propulsion shafting, it is easy for installation, occupy little space, transverse direction with shaft, radial vibration carry out vibration damping and the dual-use function to water-stop between cabin, suitable for having the adverse circumstances of high temperature and greasy dirt in ship's space, relative to the conventional damper part such as rubber, service life is grown, good damping result.
Description
Technical field
The present invention relates to a kind of bearing snubber base, concretely relates to a kind of shafting bearing for ship bulkhead and subtracts
Shake pedestal, belongs to damping bearing technical field.
Background technology
Marine shafting bear vibration is one of main source of ship noise excitation, be influence ship vitality have noxa
Element.Marine shafting bearing plays a part of fixed in mechanical transmission course and supports shafting, is a kind of important in plant equipment
Parts.Vessel motion process center shafting is vulnerable to by the influence of the factors such as propeller pulsation thrust and causes axial vibration, with
And radial vibration is caused by the influence of the factors such as the unbalanced caused centrifugal force of rotating mass, however, traditional bearing and installation
The damping loss factor of pedestal is small, it is difficult to consume vibrational energy caused by shafting, this makes shafting vibration be delivered to Ship Structure, right
Ship equipment causes potential safety hazard, and influences the comfortableness of ship's staff's work, while Ship Structure is made an uproar caused by shafting vibration
Sound can weaken the hidden ability of military naval vessel, submarine.
At present, marine shafting bearing vibration damping has a variety of methods, but all there is it is corresponding the defects of.Patent CN102252020A
A kind of radial rolling bearing seat assembling structure with good vibration absorption is disclosed, it includes bearing block, by inner ring, outer ring, rolling
The annular bearing with rolling contact of the band axial direction locking groove of kinetoplast and the part of retainer four composition, the inner ring match with axle and merged and axle one
Rotation is played, it also includes metalwork damping ring, and the damping ring is installed between bearing block and annular bearing with rolling contact outer ring, its outside
And bottom is formed by the outside and base of U-shaped by pivot rotation of the center line of axle, its inner side is by gaps such as the inner edges of U-shaped
Intermittently rotated and formed with same pivot, what one inner side of formation had the rosette for waiting central angle breach is substantially in turn round
The damping ring of body, the outside of the damping ring matches with bearing block merges fastening, and the projection on damping ring rosette is embedded and spacing
In in the axial retention groove of annular bearing with rolling contact.The invention has damping, and operating noise is low, the spy such as bearing life length
Point, but it is confined to bearing radial vibration-reducing, and preferable effect just can not be obtained for axial vibration.
Patent CN102927137A discloses a kind of disk spring type vibration damping thrust bearing, and it includes housing and thrust axis, in shell
The both sides of body are provided with bearing shell hole, and thrust is pivotally supported in the bearing shell hole of housing, and thrust axis is provided with thrust ring, the two of thrust ring
Side is symmetrically arranged with thrust block pad group, thrust bearing ring, pad, it is characterised in that is provided with the ring of opening in one end of thrust bearing ring
Shape dovetail groove, thrust block pad group is installed in annular dovetail slot to be distributed in a ring, is spaced in the annular dovetail slot of thrust bearing ring
Provided with through hole, set thrust block pad to support and disc spring group in each through hole, the outer end of thrust block pad supporting abut thrust block pad group, it is inner and
Disc spring, which assembles, puts and is left between pad gap, and described pad is fixedly connected with housing the inner.This structure can reduce
Shafting longitudinal rigidity, shafting longitudinal direction intrinsic frequency is reduced, the resonance to stagger with propeller, reduce the biography of shafting longitudinal vibration
Pass, but its complicated integral structure, it is little to the action effect of radial vibration.
The content of the invention
The invention aims to overcome technical problem existing for prior art and defect, there is provided one kind take into account radially and
The shafting bearing snubber base of axial vibration.
To reach above-mentioned purpose, the present invention realizes that purpose is adopted the technical scheme that：
A kind of shafting bearing snubber base for ship bulkhead, include axle and support the bulkhead of the axle, on the axle
The truncated cone-shaped sleeve put to base fabric at a pair of bottoms is set with, the top of the sleeve is provided with screw thread, is set with the sleeve
There is a bearing that interior mounting surface is taper, locking nut on the screw thread of the sleeve top is by the inner ring pressure of the bearing
Tightly on the outside conical surface of the sleeve, lock washer, the axle are additionally provided between the locking nut and the bearing
Hold outer sheath and cylindric Base body is housed, the both ends of the Base body are provided with side by transparent cover bolt and are provided with flange
Transparent cover, the flange of the transparent cover is pressed on the end face of the bearing outer ring, is provided between the transparent cover and the axle anti-
Konisphere, in addition to bottom are sleeved on a pair of truncated cone-shaped vibration damping covers on the outside of the Base body bottom of to, and the vibration damping cover passes through top
It is bolted on the external cylindrical surface of the Base body, the bottom of the vibration damping cover is by being arranged in two vibration damping covers
Between annular flange install on the bulkhead, the vibration damping cover is made up of woven wire block layer and elastic metal coating sheet gap
Multilayer connector.
Further, the top of the vibration damping cover axially extends top fixing end, and the top fixing end passes through described
Top bolt is connected with the Base body, and the bottom of the vibration damping cover extends radially out bottom fixing end, passes through bottom spiral shell
Bolt and bottom nut are fixedly connected with the annular flange being clipped among the bottom fixing end of two vibration damping covers, the ring
Shape flange is connected by method fixing bolt and fixing nut with the bulkhead, is provided between the annular flange and the bulkhead
Waterproof grommet, sealing ring is additionally provided between the annular flange and the vibration damping cover.
Preferably, the multilayer connector of the vibration damping cover is five layers, including the elastic metallic diaphragm that threeply degree is 2-4mm
Layer and the woven wire block layer that two layers of thickness is 1mm.
Further, the dust ring is contact felt collar.
Preferably, the base angle θ of the vibration damping cover shaft section is 60 °.
Preferably, the Base body is cast iron, and the woven wire block layer is stainless steel, and the annular flange is steel.
Preferably, the material of the elastic metallic membrane layer is super-elastic metal material, such as manganese alloy steel etc..
Operation principle：
1st, the structure situation of bulkhead is fully crossed with shafting bearing, will using itself damping effect of elastic metallic diaphragm
It is arranged to shafting centre line at an angle, effectively play bearing and axially act on radial vibration-reducing.According to transmission mechanical model
Can derivation formulaWherein, β is dynamic load amplitude, M0For driver unit amplitude, ω is driver unit pi,
P is free vibration pi.Thus formula can obtainWithRelation curve, when ω=0,For β and M0Equivalence excitation
Circular frequency point, and work asWhen, start to occurSituation, here it is entering vibration damping area,Value is bigger,It is smaller,
Correspondingly effectiveness in vibration suppression is also better, generally, it is believed thatWhen with regard to the Vibration Absorption Designing requirement of actual machine can be met.
2nd, the dry friction vibration damping of woven wire block is utilized.The mathematic(al) representation of dry friction is：FS=μ Nsgn (Vrel), its
In：μ is the coefficient of friction of contact surface；N is the normal pressure (N) of contact surface；For the relative velocity (m/s) of two contact surfaces.Metal
Silk screen block produces dry-friction damping between silk under load effect due to sliding, so as to absorb the vibrational energy with dissipative system,
Play buffering and the purpose of vibration isolation.Its advantages of, is strong, strong, long lifespan of stable performance, environmental suitability of bearing capacity etc..
3rd, the design for the shafting bearing snubber base parameter of ship bulkhead should meet structural strength and pressure-bearing stability
Requirement.
During installation, the quantity of elastic metallic membrane layer described in reasonable selection and its with the center line of shafting institute into folder
The angle at angle.Increase the quantity of the elastic metallic membrane layer, necessarily cause the increase of the woven wire block layer number, can phase
Damping vibration attenuation performance caused by the woven wire block layer should be improved, but the entirety of the elastic metallic membrane layer can be improved simultaneously
Rigidity, influence the damping property of elastic system.On the contrary, reducing the quantity of the elastic metallic membrane layer, necessarily cause the gold
Belong to the reduction of silk screen block layer number, can accordingly reduce damping vibration attenuation performance caused by the woven wire block, but can influence simultaneously
The integral rigidity and damping property of the elastic metallic membrane layer.When principal vibration excitation of the radial vibration for shafting, can fit
When the angle for increasing the multilayer connector and center line of shafting, when principal vibration excitation of the axial vibration for shafting, Ying Shi
When the angle for reducing the multilayer connector and center line of shafting.
In specific implementation can normal pressure and bearing capacity according to caused by rotation determine the length of the Base body,
It can take if necessary and install rigid reinforcing rib piece additional between the elastic metallic diaphragm of the elastic metallic membrane layer to improve knot
The intensity and pressure-bearing stability of structure.
According to applicable situation sliding bearing can be coordinated to use in specific implementation.
Transparent cover described in specific implementation primarily serves the function of bearing described in axial restraint and dust seal, and specific material can
From the gray cast iron with good vibration absorption, wearability.
In addition, it can be also an option that in specific implementation according to speed conditions between the transparent cover and the axle non-contact to locate
Formula seals.
The particularly suitable shafting for being installed on ship bulkhead of shafting bearing snubber base of the offer of the present invention, its advantage and has
Beneficial effect is：
1 at the same have shaft laterally and radially vibration carry out vibration damping function；
2nd, there is the function to water-stop, it is possible to reduce installation separation water sealing device；
3rd, it is directly installed on the bearing case and bulkhead of marine propulsion shafting, suitable for rolling bearing and sliding bearing
Vibration damping is carried out, it is easy for installation, occupy little space；
4th, suitable for having the adverse circumstances of high temperature and greasy dirt in ship's space, relative to using conventional dampers such as rubber
The vibration absorber of part, service life length.
Brief description of the drawings
Fig. 1 is the assembling section of the embodiment of the present invention；
Fig. 2 is the profile of vibration damping cover of the embodiment of the present invention；
Fig. 3 is the left view of vibration damping cover of the embodiment of the present invention；
Fig. 4 is sleeve locking nut scheme of installation of the embodiment of the present invention；
Fig. 5 is transparent cover profile of the embodiment of the present invention；
Fig. 6 is transparent cover left view of the embodiment of the present invention；
In figure：1st, Base body；2nd, lock washer；3rd, locking nut；4th, sleeve；5th, vibration damping cover；5-1, elastic metallic
Membrane layer；5-2, woven wire block layer；6th, annular flange；7th, fixing bolt；8th, sealing ring；9th, waterproof grommet；10th, bulkhead；
11st, fixing nut；12nd, bottom nut；13rd, bottom bolts；14th, top bolt；15th, transparent cover；16th, transparent cover bolt；17th, bearing；
18th, axle；19th, dust ring.
Embodiment
Illustrate below in conjunction with the accompanying drawings and the present invention is described in more detail, the present invention is furture elucidated, it should be understood that these realities
Example is applied to be only illustrative of the invention and is not intended to limit the scope of the invention, after the present invention has been read, people in the art
Modification of the member to the various equivalent form of values of the present invention falls within the application appended claims limited range.
As shown in Figures 1 to 6：A kind of shafting bearing snubber base for ship bulkhead, including described in axle 18 and support
The bulkhead 10 of axle 18, the truncated cone-shaped sleeve 4 put to base fabric at a pair of bottoms, the top of the sleeve 4 are set with the axle 18
Provided with screw thread, the bearing 17 that interior mounting surface is taper is set with the sleeve 4, installed in the top screw thread of sleeve 4
On locking nut 3 inner ring of the bearing 17 is pressed on the outside conical surface of the sleeve 4, the locking nut 3 with
Lock washer 2 is additionally provided between the bearing 17, the outer sheath of bearing 17 is equipped with cylindric Base body 1, the pedestal
The both ends of main body 1 are provided with the transparent cover 15 that side is provided with flange by transparent cover bolt 16, and the flange of the transparent cover 15 is pressed on
On the end face of the outer ring of bearing 17, dust ring 19 is provided between the transparent cover 15 and the axle 18, it is characterised in that：Also wrap
A pair of truncated cone-shaped vibration damping covers 5 that bottom is sleeved on the outside of Base body 1 bottom of to are included, the vibration damping cover 5 passes through top bolt 14
It is fixed on the external cylindrical surface of the Base body 1, the bottom of the vibration damping cover 5 is by being arranged in two vibration damping covers 5
Between annular flange 6 install on the bulkhead 10, the vibration damping cover 5 is by woven wire block layer 5-2 and elastic metallic membrane layer
The multilayer connector of 5-1 intervals composition.
The top of the vibration damping cover 5 axially extends top fixing end, and the top fixing end passes through the top spiral shell
Bolt 14 is connected with the Base body 1, and the bottom of the vibration damping cover 5 extends radially out bottom fixing end, passes through bottom bolts
13 and bottom nut 12 be fixedly connected with the annular flange 6 being clipped among the bottom fixing end of two vibration damping covers 5, institute
State annular flange 6 to be connected with the bulkhead 10 by fixing bolt 7 and fixing nut 11, the annular flange 6 and the bulkhead
Waterproof grommet 9 is provided between 10, sealing ring 8 is additionally provided between the annular flange 6 and the vibration damping cover 5.
The multilayer connector of the vibration damping cover 5 is five layers, including the elastic metallic membrane layer 5-1 that threeply degree is 2-4mm
With the woven wire block layer 5-2 that two layers of thickness is 1mm.
The dust ring 19 is contact felt collar.
The base angle θ of the shaft section of vibration damping cover 5 is 60 °.
The Base body 1 is cast iron, and the woven wire block layer 5-2 is stainless steel, and the annular flange 6 is steel.
The annular flange 6 constructs for double bolt hole, each preferably 12 bolts hole of its inner ring and outer ring, outer ring bolt hole
For being connected with the bulkhead 10, inner ring bolt hole is used to be connected with the bottom fixing end of the vibration damping cover 5.
It is used for each preferably 8 of two row's screwed holes for fixing two vibration damping covers 5 on the external cylindrical surface of Base body 1,
Its both ends is used for the bolt hole preferably 6 with the transparent cover 15.
The corresponding preferred bolt hole count of the top fixing end of vibration damping cover 5 and bottom fixing end, its aperture and the pedestal master
Bolt aperture on body 1 and the annular flange 6 is engaged.
Operation principle：
1st, the structure situation of bulkhead is fully crossed with shafting bearing, will using itself damping effect of elastic metallic diaphragm
It is arranged to shafting centre line at an angle, effectively play bearing axial direction, radial vibration-reducing effect.Can according to transmission mechanical model
Derivation formulaWherein, β is dynamic load amplitude, M0For driver unit amplitude, ω is driver unit pi, p
For free vibration pi.Thus formula can obtainWithRelation curve, when ω=0,For β and M0Equivalence excitation
Circular frequency point, and work asWhen, start to occurSituation, here it is entering vibration damping area,Value is bigger,It is smaller,
Correspondingly effectiveness in vibration suppression is also better, generally, it is believed thatWhen with regard to the Vibration Absorption Designing requirement of actual machine can be met.
2nd, the dry friction vibration damping of woven wire block is utilized.The mathematic(al) representation of dry friction is：FS=μ Nsgn (Vrel), its
In：μ is the coefficient of friction of contact surface；N is the normal pressure (N) of contact surface；For the relative velocity (m/s) of two contact surfaces.Metal
Silk screen block produces dry-friction damping between silk under load effect due to sliding, so as to absorb the vibrational energy with dissipative system,
Play buffering and the purpose of vibration isolation.Its advantages of, is strong, strong, long lifespan of stable performance, environmental suitability of bearing capacity etc..
3rd, the design for the shafting bearing snubber base parameter of ship bulkhead should meet structural strength and pressure-bearing stability
Requirement.
When mounted, elastic metallic membrane layer 5-1 quantity described in reasonable selection and itself and the center line of shafting
Angle θ angle.Increase the quantity of the elastic metallic membrane layer 5-1, necessarily cause the woven wire block layer 5-2 numbers
The increase of amount, damping vibration attenuation performance caused by the woven wire block layer 5-2 can be accordingly improved, but the elasticity can be improved simultaneously
Metal film lamella 5-1 integral rigidity, influence the damping property of elastic system.On the contrary, reduce the elastic metallic membrane layer 5-1
Quantity, necessarily cause the reduction of the woven wire block layer 5-2 quantity, can accordingly reduce the woven wire block 5-2 and produce
Damping vibration attenuation performance, but the integral rigidity and damping property of the elastic metallic membrane layer 5-1 can be influenceed simultaneously.When radially shaking
When moving the principal vibration excitation for shafting, it can suitably increase the multilayer connector and center line of shafting of the vibration damping cover 5
Angle theta, when principal vibration excitation of the axial vibration for shafting, it should suitably reduce the multilayer connector of the vibration damping cover 5
With the angle theta of center line of shafting.
In specific implementation can normal pressure and bearing capacity according to caused by rotation determine the length of the Base body 1
Degree, it may be necessary to take the installation rigid reinforcing rib piece between the elastic metallic diaphragm of the elastic metallic membrane layer 5-1
Improve the intensity and pressure-bearing stability of structure.
According to applicable situation sliding bearing can be coordinated to use in specific implementation.
Transparent cover 15 described in specific implementation primarily serves the function of bearing 18 and the dust seal 19 described in axial restraint,
Specific material can be selected with good vibration absorption, the gray cast iron of wearability, and in specific installation, transparent cover 15 is installed on institute described in both sides
The both sides of Base body 1 are stated, are connected by the transparent cover bolt 16.
In addition, it can be also an option that in specific implementation according to speed conditions between the transparent cover 15 and the axle 18 non-to locate
Contact seal.
In addition to the implementation, the present invention can also have other embodiment, all to use equivalent substitution or equivalent transformation shape
Into technical scheme, all fall within the protection domain of application claims.
Claims (6)
1. a kind of shafting bearing snubber base for ship bulkhead, including axle (18) and the bulkhead of the support axle (18)
(10) the truncated cone-shaped sleeve (4) put to base fabric at a pair of bottoms, is set with the axle (18), the top of the sleeve (4) is set
There is screw thread, the bearing (17) that interior mounting surface is taper is set with the sleeve (4), installed in the sleeve (4) top
The inner ring of the bearing (17) is pressed on the outside conical surface of the sleeve (4) by the locking nut (3) on screw thread, the lock
Lock washer (2) is tightly additionally provided between nut (3) and the bearing (17), bearing (17) outer sheath is equipped with cylindric base
Seat main body (1), the both ends of the Base body (1) are provided with the transparent cover that side is provided with flange by transparent cover bolt (16)
(15), the flange of the transparent cover (15) is pressed on the end face of the bearing (17) outer ring, the transparent cover (15) and the axle
(18) dust ring (19) is provided between, it is characterised in that：Also include one that bottom is sleeved on the bottom of on the outside of the Base body (1)
To truncated cone-shaped vibration damping cover (5), the vibration damping cover (5) is fixed on the outside cylinder of the Base body (1) by top bolt (14)
On face, the bottom of the vibration damping cover (5) is by being arranged on described in annular flanges (6) installation of two vibration damping covers (5) centres
On bulkhead (10), the vibration damping cover (5) is made up of woven wire block layer (5-2) and elastic metallic membrane layer (5-1) interval
Multilayer connector.
2. the shafting bearing snubber base according to claim 1 for ship bulkhead, it is characterised in that：The vibration damping cover
(5) top axially extends top fixing end, and the top fixing end passes through the top bolt (14) and the pedestal
Main body (1) connects, and the bottom of the vibration damping cover (5) extends radially out bottom fixing end, passes through bottom bolts (13) and bottom
Nut (12) is fixedly connected with the annular flange (6) being clipped among the bottom fixing end of two vibration damping covers (5), described
Annular flange (6) is connected by fixing bolt (7) and fixing nut (11) with the bulkhead (10), the annular flange (6) with
Waterproof grommet (9) is provided between the bulkhead (10), is also set up between the annular flange (6) and the vibration damping cover (5)
There is sealing ring (8).
3. the shafting bearing snubber base according to claim 1 for ship bulkhead, it is characterised in that：The dust ring
(19) it is contact felt collar.
4. the shafting bearing snubber base according to claim 1 for ship bulkhead, it is characterised in that：The vibration damping cover
(5) the base angle θ of shaft section is 60 °.
5. the shafting bearing snubber base according to claim 1 for ship bulkhead, it is characterised in that：The pedestal master
The material of body (1) is cast iron, and the material of the woven wire block layer (5-2) is stainless steel, and the material of the annular flange (6) is
Steel.
6. the shafting bearing snubber base according to claim 1 for ship bulkhead, it is characterised in that：The elasticity gold
The material for belonging to membrane layer (5-1) is manganese alloy steel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610220511.3A CN105840729B (en) | 2016-04-11 | 2016-04-11 | A kind of shafting bearing snubber base for ship bulkhead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610220511.3A CN105840729B (en) | 2016-04-11 | 2016-04-11 | A kind of shafting bearing snubber base for ship bulkhead |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105840729A CN105840729A (en) | 2016-08-10 |
| CN105840729B true CN105840729B (en) | 2017-12-22 |
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ID=56597252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610220511.3A Active CN105840729B (en) | 2016-04-11 | 2016-04-11 | A kind of shafting bearing snubber base for ship bulkhead |
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| Country | Link |
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| CN (1) | CN105840729B (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107477130B (en) * | 2017-07-13 | 2019-06-21 | 江苏科技大学 | A kind of vibration absorber and its oscillation damping method for marine shafting |
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| EP0836031A2 (en) * | 1996-10-10 | 1998-04-15 | EUROCOPTER DEUTSCHLAND GmbH | Dynamic damper |
| GB2320547B (en) * | 1996-12-18 | 2001-02-07 | Sikorsky Aircraft Corp | Spring-mass vibration absorber |
| CN2480619Y (en) * | 2000-04-05 | 2002-03-06 | 韩德玮 | Swing device with back spring force |
| CN204784419U (en) * | 2015-07-08 | 2015-11-18 | 中国船舶重工集团公司第七一九研究所 | Big load three -dimensional damping stopper |
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|---|---|
| CN105840729A (en) | 2016-08-10 |
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Application publication date: 20160810 Assignee: Jiangsu University of Science and Technology Technology Transfer Center Co.,Ltd. Assignor: JIANGSU University OF SCIENCE AND TECHNOLOGY Contract record no.: X2022980022975 Denomination of invention: Shafting bearing damping base for ship bulkhead Granted publication date: 20171222 License type: Common License Record date: 20221128 |
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