CN109654160A - A kind of multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping - Google Patents
A kind of multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping Download PDFInfo
- Publication number
- CN109654160A CN109654160A CN201910041083.1A CN201910041083A CN109654160A CN 109654160 A CN109654160 A CN 109654160A CN 201910041083 A CN201910041083 A CN 201910041083A CN 109654160 A CN109654160 A CN 109654160A
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- China
- Prior art keywords
- level
- vibration isolation
- pneumatic tyre
- vibration
- seal
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- F16F15/02—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
- F16F15/023—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 fluid means
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/46—Sealings with packing ring expanded or pressed into place by fluid pressure, e.g. inflatable packings
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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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/50—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall
- F16J15/52—Sealings between relatively-movable members, by means of a sealing without relatively-moving surfaces, e.g. fluid-tight sealings for transmitting motion through a wall by means of sealing bellows or diaphragms
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Architecture (AREA)
- Fluid Mechanics (AREA)
- Acoustics & Sound (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a kind of multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping, including shell, two end couplings, and it is set to the vibration isolation component and two sealing elements of interior of shell, the outer wall of the shell is fixedly linked with cabin wall, the seal assembly is arranged symmetrically centered on vibration isolation component, seal assembly and vibration isolation component coaxial sleeve are set on pipeline, and the two end face compresses;Two end couplings are divided into the both ends of shell, and are connected with seal assembly;The vibration isolation component includes level-one vibration isolation group, and level-one vibration isolation group includes the main air tire of multiple radial intussusceptions, and the outer peripheral surface of main air tire opens up several circumferential serrate grooves.The invention has the benefit that the invention has the benefit that multi-layer air tire is stacked, it is formed with the pneumatic tyre structure of cavity, this structure deforms being squeezed, and there is also certain rigidity for the air in cavity, realizes multistage vibration isolation radially.
Description
Technical field
The present invention relates to vibration reduction of ship technical fields, and in particular to a kind of multi stage resilient crossing cabin vibration isolation based on pneumatic tyre vibration damping
Device.
Background technique
Various mechanical equipments and pipeline are one of Main Noise Sources of ship, if it is not vibrated progress effectively every
From vibration will be transmitted to bulkhead and cause acoustic radiation, to influence its Sound stealth performance.Elastic crossing cabin vibration insulation structure is hull cabin
Wall mount is mainly used for pipeline crossing cabin wall site.Elastic crossing cabin vibration insulation structure is as pipeline connecting parts and hull bulkhead reinforcement
Part, while other opposite bulkhead installation parts are also equipped with vibration isolation capability.However, traditional elastic crossing cabin vibration insulation structure is mostly used in pipe
The structure of solid rubber and damping material is filled between road and crossing cabin part inner hole, the rigidity of this vibration insulation structure is completely by rubber material
The size and elasticity modulus of material determine that rigidity still has the possibility further decreased, and vibration isolating effect is general, it is hard to be effectively isolated vibration
It is transmitted outside trend;And poor sealing performance, it is difficult to realize effective sealing between cabin pipeline and bulkhead, bulkhead and bulkhead.
Summary of the invention
It is an object of the present invention in view of the deficiencies of the prior art, it is good to provide a kind of vibration isolating effect, and the base of waterproof sealing
In the multi stage resilient cabin isolation mounting of pneumatic tyre vibration damping.
The technical solution adopted by the present invention are as follows: a kind of multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping, including it is outer
Shell, two end couplings, and it is set to the vibration isolation component and two sealing elements of interior of shell, the outer wall and ship of the shell
Bulkhead is fixedly linked, and the seal assembly is arranged symmetrically centered on vibration isolation component, and seal assembly and vibration isolation component are coaxially arranged
In on pipeline, and the two end face compresses;Two end couplings are divided into the both ends of shell, and are connected with seal assembly.
According to the above scheme, the vibration isolation component includes level-one vibration isolation group, and level-one vibration isolation group includes level-one pneumatic tyre, level-one pneumatic tyre
Cyclic structure for inside filled with compressed air.
According to the above scheme, the vibration isolation component further includes several second level vibration isolation groups, and second level vibration isolation group is with level-one vibration isolation group
It is central axial symmetrical.
According to the above scheme, the second level vibration isolation group includes staged sleeve and multiple second level pneumatic tyres, second level pneumatic tyre are interior
Cyclic structure of the portion filled with compressed air;Two staged sleeve ends for being divided into level-one vibration damping group two sides splice, in the two
Portion forms annular groove, and the level-one vibration isolation group is installed in annular groove, and the outer peripheral surface of level-one vibration isolation group and annular groove compress;Institute
It states second level pneumatic tyre to be sheathed on staged sleeve, and the outer peripheral surface of second level pneumatic tyre and the inner wall of shell are adjacent to.
According to the above scheme, the end coupling includes flange, and flange includes the axial arrangement being sheathed on pipeline and oneself
The extended structure that axial arrangement end extends radially outwardly, extended structure are provided at circumferentially spaced several bolts hole for connection;
The seal assembly is connected with the axial arrangement of flange.
According to the above scheme, the seal assembly includes diaphragm seal, seal box and sealing cover, the lower end of the diaphragm seal and set
Seal receptacle in flange axial arrangement is connected, and the outer end face of seal receptacle is equipped with locking nut;The upper end of the diaphragm seal
It protrudes into the cavity of seal box, water uptake expansion resin is filled in cavity;The outer peripheral surface of the seal box set is connect with outer casing screw,
The outer end face of seal box is equipped with sealing cover.
According to the above scheme, the outside of the diaphragm seal is equipped with the antifriction pad for separating water uptake expansion resin.
According to the above scheme, the two sides gap setting between diaphragm seal and sealing cover has sealing film.
The invention has the benefit that
1, present invention design pneumatic tyre, this hollow structure deform being squeezed, and there is also one for the air in pneumatic tyre
Fixed pressure realizes multistage vibration isolation radially, reduces transmitting of the pipeline vibration to section structure, reached good vibration isolation
Effect;
2, the present invention makes full use of the length dimension of isolation mounting, and each pneumatic tyre structure is arranged on pipeline axial direction,
It radially realizes multistage vibration isolation, further reduced radial rigidity, obtain better vibration isolating effect;
3, seal assembly is arranged at the both ends of vibration isolation component in the present invention, can effectively prevent water after the water inlet of cabin side cabin
Diffuse in other side cabin;
4, two side clearances of the present invention between diaphragm seal and sealing cover seal up the sealing film for having fold, can effectively prevent sky
Moisture in gas enters seal box, avoids result in water uptake expansion resin failure and influences vibration isolating effect;When encountering dangerous situation, hydraulic pressure
Sealing film can be crushed and enter seal box, leak stopping is realized in water uptake expansion resin water suction;
5, pneumatic tyre architecture quality is light in the present invention, easy to assembly;Whole design is reasonable, and feasibility is good, and stability is high.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of a specific embodiment of the invention.
Wherein: 1, shell;2, pipeline;3, bulkhead;4, level-one pneumatic tyre;5, staged sleeve;6, second level pneumatic tyre;7, flange;
8, diaphragm seal;9, seal box;10, sealing cover;11, seal receptacle;12, locking nut;13, water uptake expansion resin;14, antifriction
Piece;15, film is sealed.
Specific embodiment
For a better understanding of the present invention, the present invention is further described in the following with reference to the drawings and specific embodiments.
Multi stage resilient cabin isolation mounting based on pneumatic tyre vibration damping as shown in Figure 1, including 1, two end connection of shell
Part, and it is set to vibration isolation component and two sealing elements inside shell 1, the outer wall and 3 stationary phase of accommodation bulkhead of the shell 1
Even (can be welding), the seal assembly be arranged symmetrically centered on vibration isolation component, and seal assembly and vibration isolation component are coaxially arranged
In on pipeline 2, and the two end face compresses;Two end couplings are divided into the both ends of shell 1, and are connected with seal assembly.
Preferably, the vibration isolation component includes a level-one vibration isolation group and several second level vibration isolation groups, and second level vibration isolation group is with one
It is axially and symmetrically distributed centered on grade vibration isolation group;The level-one vibration isolation group includes level-one pneumatic tyre 4, and level-one pneumatic tyre 4 is inside filled with pressure
The ring structure of contracting air, uses rubber material to be made.The second level vibration isolation group includes (the staged sleeve 5 of staged sleeve 5
Outer diameter step variation, staged sleeve described in the present embodiment 5 includes that outer diameter is different and be connected two sections) and multiple second levels
Pneumatic tyre 6;Two 5 ends of staged sleeve for being divided into level-one vibration damping group two sides are spliced, formation annular groove in the middle part of the two, and described one
Grade vibration isolation group is installed in annular groove and (specifically refers to an air tire 4 to be installed in annular groove), and the outer peripheral surface of level-one vibration isolation group
It is compressed with annular groove;The second level pneumatic tyre 6 is identical as 4 structure of level-one pneumatic tyre, simultaneously for the internal ring structure filled with compressed air
It is made of rubber material;Second level pneumatic tyre 6 is sheathed on staged sleeve 5, and the outer peripheral surface of second level pneumatic tyre 6 and shell 1 is interior
Wall surface is adjacent to.
Preferably, the end coupling includes flange 7, and flange 7 includes the axial arrangement being sheathed on pipeline 2 and from axis
The extended structure to extend radially outwardly to structure end, extended structure are provided at circumferentially spaced several bolts hole for connection;Institute
Seal assembly is stated to be connected with the axial arrangement of flange 7.
Preferably, the seal assembly includes diaphragm seal 8, seal box 9 and sealing cover 10, the lower end of the diaphragm seal 8 with
The seal receptacle 11 being sheathed in 7 axial arrangement of flange is connected, and the outer end face of seal receptacle 11 is equipped with locking nut 12;The sealing
The upper end of piece 8 is protruded into the cavity of seal box 9, and water uptake expansion resin 13 is filled in cavity;The outer peripheral surface of 9 sets of the seal box with
Shell 1 is threadedly coupled, and the outer end face of seal box 9 is equipped with sealing cover 10.Preferably, the outside of the diaphragm seal 8 is equipped with for dividing
Every the antifriction pad 14 of water uptake expansion resin 13.Preferably, two side clearances between diaphragm seal 8 and sealing cover 10 have sealed up pleat
The sealing film 15 of wrinkle.
In the present embodiment, shell 1 is welded on bulkhead 3, can be changed without for a long time after the structure welding;Air tire is reality
Core structure, the Young's modulus of rubber material are 7.8MPa, Poisson's ratio 0.48.Two seal assemblies are arranged symmetrically;First will when installation
Seal box 9 is installed in shell 1 by screw thread, then seal with screwed joint piece 8;Then water uptake expansion resin 13 is filled in right amount
In the cavity of seal box 9, separated between water uptake expansion resin 13 and diaphragm seal 8 with antifriction pad 14;Finally sealing cover 10 is led to
It crosses and is threaded on seal box 9.Second level vibration isolation component is 2 (can also be multiple).
Finally it should be noted that these are only the preferred embodiment of the present invention, it is not intended to restrict the invention, although
Referring to embodiment, invention is explained in detail, for those skilled in the art, still can be to aforementioned
Technical solution documented by each embodiment is modified or equivalent replacement of some of the technical features, but it is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on should be included in protection of the invention
Within the scope of.
Claims (8)
1. a kind of multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping, which is characterized in that including shell, two end connections
Part, and it is set to the vibration isolation component and two sealing elements of interior of shell, outer wall and the cabin wall of the shell are fixedly linked, institute
It states seal assembly to be arranged symmetrically centered on vibration isolation component, seal assembly and vibration isolation component coaxial sleeve are set on pipeline, and the two
End face compresses;Two end couplings are divided into the both ends of shell, and are connected with seal assembly.
2. the multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping as described in claim 1, which is characterized in that the vibration isolation
Component includes level-one vibration isolation group, and level-one vibration isolation group includes level-one pneumatic tyre, and level-one pneumatic tyre is the internal cyclic annular knot filled with compressed air
Structure.
3. the multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping as claimed in claim 2, which is characterized in that the vibration isolation
Component further includes several second level vibration isolation groups, and second level vibration isolation group is symmetrical in level-one vibration isolation group two sides.
4. the multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping as claimed in claim 3, which is characterized in that the second level
Vibration isolation group includes staged sleeve and multiple second level pneumatic tyres, and second level pneumatic tyre is the internal cyclic structure filled with compressed air;Point
Two staged sleeve ends set on level-one vibration damping group two sides splice, and annular groove, the level-one vibration isolation group are formed in the middle part of the two
It is installed in annular groove, and the outer peripheral surface of level-one vibration isolation group and annular groove compress;The second level pneumatic tyre is sheathed on staged sleeve
On, and the outer peripheral surface of secondary air tire and the inner wall of shell are adjacent to.
5. the multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping as described in claim 1, which is characterized in that the end
Connector includes flange, and flange includes the axial arrangement being sheathed on pipeline and prolongs from what axial arrangement end extended radially outwardly
Structure is stretched, extended structure is provided at circumferentially spaced several bolts hole for connection;The axial arrangement of the seal assembly and flange
It is connected.
6. the multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping as claimed in claim 5, which is characterized in that the sealing
Component includes diaphragm seal, seal box and sealing cover, the lower end of the diaphragm seal and the seal receptacle being sheathed in flange axial arrangement
It is connected, the outer end face of seal receptacle is equipped with locking nut;The upper end of the diaphragm seal is protruded into the cavity of seal box, is filled out in cavity
Fill water uptake expansion resin;The outer peripheral surface of the seal box set is connect with outer casing screw, and the outer end face of seal box is equipped with sealing cover.
7. the multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping as claimed in claim 6, which is characterized in that the sealing
The outside of piece is equipped with the antifriction pad for separating water uptake expansion resin.
8. the multi stage resilient crossing cabin isolation mounting based on pneumatic tyre vibration damping as claimed in claim 6, which is characterized in that in diaphragm seal
Two sides gap setting between sealing cover has sealing film.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910041083.1A CN109654160B (en) | 2019-01-16 | 2019-01-16 | Multistage elastic cabin-penetrating vibration isolation device based on pneumatic tire vibration reduction |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201910041083.1A CN109654160B (en) | 2019-01-16 | 2019-01-16 | Multistage elastic cabin-penetrating vibration isolation device based on pneumatic tire vibration reduction |
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CN109654160A true CN109654160A (en) | 2019-04-19 |
CN109654160B CN109654160B (en) | 2020-08-25 |
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CN201910041083.1A Expired - Fee Related CN109654160B (en) | 2019-01-16 | 2019-01-16 | Multistage elastic cabin-penetrating vibration isolation device based on pneumatic tire vibration reduction |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110886925A (en) * | 2019-12-09 | 2020-03-17 | 中国舰船研究设计中心 | Low-rigidity elastic cabin-through pipe fitting |
CN112628478A (en) * | 2020-11-30 | 2021-04-09 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Pipeline axial vibration reduction and isolation wall penetrating structure and sealing performance monitoring method thereof |
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EP2839861A2 (en) * | 2013-08-22 | 2015-02-25 | Aik Flammadur Brandschutz GMBH | Fire protection device for the protection of a ceiling or wall opening carrying a supply line in case of fire |
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CN207935555U (en) * | 2017-11-13 | 2018-10-02 | 中国船舶重工集团公司第七一九研究所 | A kind of multichannel vibration isolation type pipe penetration piece |
EP3396799A1 (en) * | 2017-04-27 | 2018-10-31 | Siemens Aktiengesellschaft | Lead through device |
CN108980471A (en) * | 2018-08-07 | 2018-12-11 | 中国船舶重工集团公司第七〇九研究所 | A kind of flexibility crossing cabin part peculiar to vessel |
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2019
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Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
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EP2839861A2 (en) * | 2013-08-22 | 2015-02-25 | Aik Flammadur Brandschutz GMBH | Fire protection device for the protection of a ceiling or wall opening carrying a supply line in case of fire |
CN106567901A (en) * | 2015-10-08 | 2017-04-19 | 株洲时代新材料科技股份有限公司 | Pillowy low-frequency airbag vibration isolator and mounting method thereof |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
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CN110886925A (en) * | 2019-12-09 | 2020-03-17 | 中国舰船研究设计中心 | Low-rigidity elastic cabin-through pipe fitting |
CN110886925B (en) * | 2019-12-09 | 2021-11-16 | 中国舰船研究设计中心 | Low-rigidity elastic cabin-through pipe fitting |
CN112628478A (en) * | 2020-11-30 | 2021-04-09 | 武汉第二船舶设计研究所(中国船舶重工集团公司第七一九研究所) | Pipeline axial vibration reduction and isolation wall penetrating structure and sealing performance monitoring method thereof |
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