CN108518340A - Two buckets are nested shape marine pump group vibration isolation mounts - Google Patents
Two buckets are nested shape marine pump group vibration isolation mounts Download PDFInfo
- Publication number
- CN108518340A CN108518340A CN201810498138.7A CN201810498138A CN108518340A CN 108518340 A CN108518340 A CN 108518340A CN 201810498138 A CN201810498138 A CN 201810498138A CN 108518340 A CN108518340 A CN 108518340A
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- CN
- China
- Prior art keywords
- pump group
- seat board
- bucket
- buckets
- quarrel
- Prior art date
- 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.)
- Granted
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 16
- 210000003205 muscle Anatomy 0.000 claims abstract description 17
- 238000013016 damping Methods 0.000 claims abstract description 10
- 230000001154 acute effect Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 16
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 6
- 239000000463 material Substances 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 239000012530 fluid Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000010358 mechanical oscillation Effects 0.000 description 1
- 230000000116 mitigating effect Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/001—Noise damping
- F04B53/003—Noise damping by damping supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B39/00—Component parts, details, or accessories, of pumps or pumping systems specially adapted for elastic fluids, not otherwise provided for in, or of interest apart from, groups F04B25/00 - F04B37/00
- F04B39/0027—Pulsation and noise damping means
- F04B39/0044—Pulsation and noise damping means with vibration damping supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vibration Prevention Devices (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Details Of Reciprocating Pumps (AREA)
Abstract
The invention discloses two buckets of one kind being nested shape marine pump group vibration isolation mounts, add rigid muscle, ontology seat board and two buckets including pump group seat board, quarrel connecting plate, guard ring, several piece, two buckets include the outer bucket being fixedly secured to one another and internal conflict, two bucket patterns are divided into quarrel towards mo(u)ld top half or quarrel down type, and the present invention connects into an organic whole with pump group.Several frequency modulation holes not of uniform size are equipped on the outer bucket circle of two buckets and internal conflict circle face, the path that vibration is transmitted is changed, vibration is made effectively to be decayed.In two buckets of two kinds of patterns, outer bucket facade and the intersection at an acute angle of internal conflict facade have preferable damping action to vibration.The present invention had not only alleviated the vibrating noise of pump group itself but also had preferably mitigated the vibration effect of environment and other equipment vibration to present invention carrying pump group.The present invention can mitigate 7~10 decibels of vibrating noise or more, other than being used for ship, can also be applied to land use and it is automobile-used;Achieve good economic results in society.
Description
Technical field
The present invention relates to a kind of marine pump group pedestal, more particularly to a kind of nestable bucket shape marine pump group with vibration isolation function
Pedestal belongs to vibration reduction of ship technical field.
Background technology
21st century is the century of ocean, and each state is all reinforcing marine science and technology research, development and application, to increase
Strong international ocean competitiveness.So Development of Marine cause, safeguards one's country and international ocean is safe, it is that the Chinese nation blames without side
The mission of loan.Smoothly to implement " mission " and just must have various ships, marine settings and the ship of war.And marine pump
Group has extremely important effect in ship, marine settings and the ship of war, it may be said that without pump group just without modern ships.
Marine pump group is that ship executes mission task, and personnel's normal life and work provides and conveys endlessly various fluids, such as
Fuel oil, lubricating oil, cooling water and air are provided for host, a pair machine;Pressure fluid and compressed air are provided for deck machinery;For boiler
It supplies water, gas supply;Life fresh water, fresh air, cold air and heating are provided for personnel;For safety of ship provide fire water, ballast water,
Defeated draining ... etc..But since pump group is trandfer fluid movable machinery, there is larger mechanical oscillation and noise, this
A little vibration and noises can cause workplace and mechanical place bad environments, not only cause to pump group itself affect and damage,
Other equipment is impacted and is damaged, still causes body and mind to damage crewman simultaneously, ship can be caused normal when serious
Mission task is completed, the stealthy of military ships is also particularly disadvantageous for, to seriously restrict the fight capability of combat vessel.In consideration of it, mesh
Preceding vibration reduction of ship technical field mainly reduces vibration and noise in terms of following two, first, improving pump group(Mainly pump and
Prime mover)Structure design;Second is that improving the pump group accuracy of manufacture;Third, installing damper additional between pump group and mounting seat.But the
One, two two methods cannot prevent environment and miscellaneous equipment from vibrating the influence to pump group;The third method is with usage time
It lengthens, damper can continuously decrease vibration damping efficiency.For the above situation, need to design a kind of new vibration insulation structure to reduce pump group
Vibrating noise.
Invention content
It is nestable it is an object of the invention to provide a kind of two buckets mitigating 7~10 decibels of vibrating noise or more for pump group
Shape marine pump group vibration isolation mounts.
The purpose of the present invention is achieved by the following technical programs:
Two bucket of one kind being nested shape marine pump group vibration isolation mounts, and two bucket is nested shape marine pump group vibration isolation mounts and is fixed in hull
In installation pedestal, including pump group seat board, quarrel connecting plate, guard ring, several piece add rigid muscle, ontology seat board and two buckets, the two buckets packet
Include the outer bucket being fixedly secured to one another and internal conflict;Two bucket patterns are divided into quarrel towards mo(u)ld top half or quarrel down type;In quarrel towards mo(u)ld top half
Two bucket in, upward, big end is fixedly connected outer bucket portlet with the ontology seat board of bottom, internal conflict large port upward, small end with
The pump group seat board of bottom is fixedly connected;Guard ring is fixedly connected across outer bucket big end with outer bucket lower part, guard ring downside and ontology seat board
Between upside and outer bucket peripheral surface by several piece it is uniformly distributed plus rigid muscle be fixedly connected;In two buckets of quarrel down type, outer bucket
The ontology seat board on small end mouth down, big end and top is fixedly connected, internal conflict portlet upward, the pump group seat on small end and top
Plate is fixedly connected;Guard ring is fixedly connected across outer bucket big end with outer bucket top, on the downside of guard ring and ontology seat board upside and outer bucket
Between peripheral surface by several piece it is uniformly distributed plus rigid muscle be fixedly connected;In two buckets of two kinds of patterns, outer bucket facade and internal conflict facade
Intersection at an acute angle;The intermediate cap of pump group is fixedly connected across intermediate cap flange with the fastener of pump group seat board by multiple,
Fluid pump or compressor pass perpendicularly through pump group seat board through-hole;By right between the small end port of outer bucket and the big end port of internal conflict
The quarrel connecting plate answered is fixedly connected integrally;It is respectively equipped with several frequency modulation not of uniform size on the facade conflicted internally with outer bucket
Hole, the interior lateral surface of two buckets equably lay energy-absorbing damping dressing.
The purpose of the present invention is also further realized by following technical measures.
Further, two buckets have taper type and conical prismoid shape structure;In the structure of taper type, pump group seat board, quarrel connect
Fishplate bar, guard ring and ontology seat board are circle;In the structure of conical prismoid shape, pump group seat board, quarrel connecting plate, guard ring and ontology
Seat board is polygon.
Further, it is directly fixedly connected between the small end port of outer bucket and the big end port of internal conflict, it is described to be fixedly connected
The outer rim at place is with smooth circular arc nature transition.
Further, the relational expression A=nB, n of the quantity A in pump group seat board installation bolt hole and pump group installation bolt hole number
>=2 be integer;And pump group seat board installation bolt hole is arranged in plus the both sides of rigid muscle.
Further, it is the 1/2 of ontology seat board installation bolt hole number to add the quantity of rigid muscle.
Further, energy-absorbing damping dressing is made of high molecular material.
The present invention increases the absorbing surface of vibration using two bucket structures for being nested and in bucket outside and being fixedly secured to one another of conflicting internally
The transmission path of product and vibration, makes vibration effectively be decayed.It is female conflicting internally simultaneously for quarrel towards two bucket structures of mo(u)ld top half
Line or crest line direction are primarily subjected to the tensile stress from pump group load, and bucket busbar or crest line direction are primarily subjected to come from pump group outside
The compression of load;For two bucket structures of quarrel down type, it is primarily subjected to carry from pump group in internal conflict busbar or crest line direction
The compression of lotus, bucket busbar or crest line direction are primarily subjected to the tensile stress from pump group load, inside and outside bucket busbar or crest line outside
The change in direction upper stress direction has damping action to vertical vibration.Pump group is fixed on the pump group seat board of internal conflict small end port,
So that the present invention connects into an organic whole with pump group, several tune not of uniform size are equipped on the interior lateral surface of two buckets
Frequency hole, changes the path for vibrating transmission and adjustment changes the intrinsic frequency of two buckets, and vibration is made effectively further to be declined
Subtract;Inside and outside bucket intersection at an acute angle simultaneously so that the sectional area in two bucket different level sections is unequal, causes the stress of different cross section
It is unequal;Further, in conjunction with the effect in frequency modulation hole, the stress of the different location in two bucket same level sections also not phase
Deng, to vibration have damping action;Pump group seat board installation bolt hole is arranged in plus the both sides of rigid muscle, two buckets can be made to be nested shape peculiar to vessel
Pump group vibration isolation mounts vibrational energy being transmitted in hull in installation pedestal evenly is conducive to mitigate single-point oscillation intensity.Two
The energy-absorbing damping dressing of lateral surface laying in bucket can effectively absorb the mechanical energy of vibration and convert thereof into thermal energy and be dispersed into
In air.Under the comprehensive function of above-mentioned measure, the vibrating noise of pump group itself was not only alleviated but also had preferably mitigated environment and its
His vibration equipment carries the present invention vibration effect of pump group.The present invention can mitigate 7~10 decibels of vibrating noise or more, in addition to
Outside for ship, can also be applied to land use and it is automobile-used, achieve good economic results in society.
Description of the drawings
Fig. 1 is the quarrel of the embodiment of the present invention one towards mo(u)ld top half structural schematic diagram;
Fig. 2 is the quarrel down type structural schematic diagram of the embodiment of the present invention two;
Fig. 3 is the vertical view of Fig. 1 taper types;
Fig. 4 is the vertical view of Fig. 2 conical prismoid shapes;
Fig. 5 is the structural schematic diagram that outer bucket is directly fixedly connected with internal conflict;
Fig. 6 is the expanded view of the outer frustum circles of Fig. 1.
Specific implementation mode
The invention will be further described with reference to the accompanying drawings and examples.
It is fixed in hull in installation pedestal 100 as shown in Figure 1, two buckets are nested shape marine pump group vibration isolation mounts comprising
Pump group seat board 1, quarrel connecting plate 2,3,8 pieces of guard ring plus rigid muscle 4, the bucket of ontology seat board 5 and two 6, two bucket 6 includes being fixed to one another
The outer bucket 61 of connection and internal conflict 62.As shown in Figure 1, two buckets 6 of embodiment one are quarrel towards mo(u)ld top half, 61 portlets of outer bucket upward,
The ontology seat board 5 of its big end and bottom is welded and fixed;62 large ports conflict internally upward, the pump group seat board 1 of small end and bottom
It is welded to connect, guard ring 3 passes through 61 big end lower parts of outer bucket to be welded to connect with outer bucket 61;The downside of guard ring 3 and 5 upside of ontology seat board and
It is uniformly distributed plus rigid muscle 4 is welded to connect by 8 pieces between the peripheral surface of outer bucket 61.
As shown in Fig. 2, two buckets 6 of embodiment two are quarrel down type, 61 small end mouth downs of outer bucket, big end and top
Ontology seat board 5 is welded to connect, 62 big end mouth downs of conflicting internally, and the pump group seat board 1 on small end and top is welded to connect.Guard ring 3 passes through
At the top of the big end of outer bucket 61, it is welded to connect with outer bucket 61.The downside of guard ring 3 and 5 upside of ontology seat board and 61 peripheral surfaces of outer bucket it
Between it is uniformly distributed plus rigid muscle 4 is welded to connect by 8 pieces.
In two buckets 6 of 2 two kinds of patterns of embodiment one and embodiment, outer bucket facade and the intersection at an acute angle of internal conflict facade.
It is welded and fixed integrally by corresponding quarrel connecting plate 2 between outer bucket 61 and internal conflict 62.The intermediate cap 201 of pump group 20 passes through
It is multiple to be fixedly connected with pump group seat board 1 and the fastener of adjust pad 13 7 across intermediate cap flange 202, in embodiment one and in fact
The prime mover for applying example two is motor 203, and the liquid pump or compressor set of motor 203 and its drive are vertically worn at pump group 20
Cross pump group seat board through-hole 11.
As shown in figure 5, can also be directly welded and fixed between the small end port and the big end port of internal conflict 62 of 61 circle of bucket outside,
The outer rim of the weld can be saved one piece of quarrel connecting plate 2, be reduced manufacturing cost with smooth circular arc nature transition.
As shown in fig. 6, it is not of uniform size to be respectively equipped with several in the interior lateral surface i.e. outer struggle against 61 and the internal conflict 62 that struggle against 6 two
Frequency modulation hole 64, two bucket 6 in lateral surface uniformly lay energy-absorbing damping dressing 8, vibration can be effectively absorbed.
As shown in figure 3, in two bucket structures of one taper type of embodiment, pump group seat board 1, quarrel connecting plate 2,3 and of guard ring
Ontology seat board 5 is circle.As shown in figure 4, in two 6 structures of bucket of two conical prismoid shape of embodiment, pump group seat board 1, quarrel connect
Fishplate bar 2, guard ring 3 and ontology seat board 5 are rectangle.
Relational expression A=nB of the quantity A and 204 quantity B of pump group installation bolt hole in pump group seat board installation bolt hole 12, n >=2
For integer;Ontology seat board installation bolt hole 51 is arranged in plus the both sides of rigid muscle 4.It is ontology seat board installation spiral shell to add the quantity of rigid muscle 4
The 1/2 of 51 quantity of keyhole.
Energy-absorbing damping dressing 8 is made of high molecular material.Pump group 20 intermediate cap flange 202 and pump group seat board 1 it
Between be equipped with multi-disc adjust pad 13, be conveniently adjusted the verticality of pump group 203.
In addition to the implementation, the present invention can also have other embodiment, all to use equivalent substitution or equivalent transformation shape
At technical solution, be all fallen within the protection domain of application claims.
Claims (6)
1. two bucket of one kind being nested shape marine pump group vibration isolation mounts, two bucket is nested shape marine pump group vibration isolation mounts and is fixed on hull
In interior installation pedestal;It is characterised in that it includes pump group seat board, quarrel connecting plate, guard ring, several piece add rigid muscle, ontology seat board and two
Bucket, two bucket include the outer bucket being fixedly secured to one another and internal conflict, and two bucket patterns are divided into quarrel towards mo(u)ld top half or quarrel down type;
During quarrel struggles against towards the two of mo(u)ld top half, upward, big end is fixedly connected outer bucket portlet with the ontology seat board of bottom, internal conflict large port court
On, small end is fixedly connected with the pump group seat board of bottom;Guard ring passes through outer bucket big end lower part, is fixedly connected with outer bucket;Under guard ring
On the upside of side and ontology seat board and between outer bucket platform circle peripheral surface by several piece it is uniformly distributed plus rigid muscle be fixedly connected;Quarrel downward
In two buckets of type, outer bucket small end mouth down, big end is fixedly connected with the ontology seat board on top, and internal conflict big end mouth down is small
End is fixedly connected with the pump group seat board on top;Guard ring passes through at the top of outer bucket big end, is fixedly connected with outer bucket;Guard ring downside and ontology
On the upside of seat board and between outer bucket peripheral surface by several piece it is uniformly distributed plus rigid muscle be fixedly connected;In two buckets of two kinds of patterns, outside
Struggle against facade and the intersection at an acute angle of internal conflict facade;The intermediate cap of pump group is by multiple across intermediate cap flange and pump group seat board
Fastener is fixedly connected, and flowing liquid pump or compressor pass perpendicularly through pump group seat board through-hole;The small end port of outer bucket and internal conflict
It is fixedly connected integrally by corresponding quarrel connecting plate between big end port;If being respectively equipped on the outer bucket of two buckets and internal conflict
Dry frequency modulation hole not of uniform size;Lateral surface equably lays energy-absorbing damping dressing in two buckets.
2. two buckets are nested shape marine pump group vibration isolation mounts according to claim 1, which is characterized in that in the structure of taper type
In, pump group seat board, quarrel connecting plate, guard ring and ontology seat board are circle;In the structure of conical prismoid shape, pump group seat board, bucket
Mouth connecting plate, guard ring and ontology seat board are polygon.
3. two bucket according to claim 1 or 2 is nested shape marine pump group vibration isolation mounts, which is characterized in that the small end to struggle against outside
It is directly fixedly connected between port and the big end port of internal conflict, the outer rim of the fixed connection place is with smooth circular arc nature mistake
It crosses.
4. two bucket according to claim 1 is nested shape marine pump group vibration isolation mounts, which is characterized in that pump group seat board installs spiral shell
Relational expression A=nB of the quantity A and pump group installation bolt hole number B of keyhole, and n >=2 are integer;Ontology seat board installation bolt hole
It is arranged in the both sides for adding rigid muscle.
5. two bucket according to claim 1 is nested shape marine pump group vibration isolation mounts, which is characterized in that the quantity of rigid muscle is added to be
The 1/2 of ontology seat board installation bolt hole number.
6. two buckets are nested shape marine pump group vibration isolation mounts according to claim 1, which is characterized in that energy-absorbing damps dressing and uses
High molecular material is made.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810498138.7A CN108518340B (en) | 2018-05-23 | 2018-05-23 | Two-bucket stacked pump set vibration isolation base for ship |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810498138.7A CN108518340B (en) | 2018-05-23 | 2018-05-23 | Two-bucket stacked pump set vibration isolation base for ship |
Publications (2)
Publication Number | Publication Date |
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CN108518340A true CN108518340A (en) | 2018-09-11 |
CN108518340B CN108518340B (en) | 2024-01-26 |
Family
ID=63426642
Family Applications (1)
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CN201810498138.7A Active CN108518340B (en) | 2018-05-23 | 2018-05-23 | Two-bucket stacked pump set vibration isolation base for ship |
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CN (1) | CN108518340B (en) |
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JPH11234956A (en) * | 1998-02-16 | 1999-08-27 | Nippon Electric Ind Co Ltd | Vibration damping structure of sr motor |
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CN203098192U (en) * | 2012-11-26 | 2013-07-31 | 上海汽车集团股份有限公司 | Electric vacuum pump double-layer vibration isolation device |
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CN104704236A (en) * | 2012-07-26 | 2015-06-10 | 加德纳·丹佛·托马斯股份有限公司 | A pump having a vibration damping mounting assembly |
CN205841235U (en) * | 2016-07-11 | 2016-12-28 | 川源(中国)机械有限公司 | A kind of water pump shock-damping structure |
CN107370287A (en) * | 2017-08-23 | 2017-11-21 | 哈尔滨工程大学 | A kind of low vibration motor with vibration isolation nested structure |
CN208311026U (en) * | 2018-05-23 | 2019-01-01 | 武汉麦康德设备有限公司 | Two, which struggle against, is nested shape marine pump group vibration isolation mounts |
-
2018
- 2018-05-23 CN CN201810498138.7A patent/CN108518340B/en active Active
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Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH11234956A (en) * | 1998-02-16 | 1999-08-27 | Nippon Electric Ind Co Ltd | Vibration damping structure of sr motor |
CN1341812A (en) * | 2000-09-05 | 2002-03-27 | 三星电子株式会社 | Rotary compressor assembly with improved shock-absorbing property |
JP2002235804A (en) * | 2001-02-07 | 2002-08-23 | Sanko Gosei Ltd | Turbo fan having vibration insulation function |
KR20010074179A (en) * | 2001-04-04 | 2001-08-04 | 박정근 | Multi-directional Seismic Isolation Devices |
EP1988320A2 (en) * | 2007-04-18 | 2008-11-05 | Pfeiffer Vacuum GmbH | Vibration isolating intermediary component |
CN101832282A (en) * | 2010-04-29 | 2010-09-15 | 中国船舶重工集团公司第七一二研究所 | Low-vibration ventilation fan |
CN104704236A (en) * | 2012-07-26 | 2015-06-10 | 加德纳·丹佛·托马斯股份有限公司 | A pump having a vibration damping mounting assembly |
CN203098192U (en) * | 2012-11-26 | 2013-07-31 | 上海汽车集团股份有限公司 | Electric vacuum pump double-layer vibration isolation device |
EP2781746A1 (en) * | 2013-03-22 | 2014-09-24 | Mitsubishi Heavy Industries, Ltd. | Vibration-reducing support structure for compressor |
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CN208311026U (en) * | 2018-05-23 | 2019-01-01 | 武汉麦康德设备有限公司 | Two, which struggle against, is nested shape marine pump group vibration isolation mounts |
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