CN108518340B - Two-bucket stacked pump set vibration isolation base for ship - Google Patents
Two-bucket stacked pump set vibration isolation base for ship Download PDFInfo
- Publication number
- CN108518340B CN108518340B CN201810498138.7A CN201810498138A CN108518340B CN 108518340 B CN108518340 B CN 108518340B CN 201810498138 A CN201810498138 A CN 201810498138A CN 108518340 B CN108518340 B CN 108518340B
- Authority
- CN
- China
- Prior art keywords
- bucket
- pump set
- fixedly connected
- seat plate
- hopper
- 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.)
- Active
Links
- 238000002955 isolation Methods 0.000 title claims abstract description 12
- 238000013016 damping Methods 0.000 claims abstract description 10
- 230000001154 acute effect Effects 0.000 claims abstract description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 5
- 239000012530 fluid Substances 0.000 claims description 4
- 239000002861 polymer material Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 2
- 230000002238 attenuated effect Effects 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000007788 liquid Substances 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
- 239000006096 absorbing agent Substances 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000013505 freshwater Substances 0.000 description 1
- 239000000295 fuel oil Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000010687 lubricating oil Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000003466 welding Methods 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)
- Details Of Reciprocating Pumps (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention discloses a two-bucket stacked marine pump set vibration isolation base, which comprises a pump set base plate, a bucket opening connecting plate, a guard ring, a plurality of stiffening ribs, a body base plate and two buckets, wherein the two buckets comprise an outer bucket and an inner bucket which are fixedly connected with each other, the two buckets are divided into bucket opening upwards or bucket opening downwards, and the two buckets and the pump set are connected into an organic whole. The outer bucket ring and the inner bucket ring of the two buckets are provided with a plurality of frequency modulation holes with different sizes, so that the vibration transmission path is changed, and the vibration is effectively attenuated. In the two types of two hoppers, the outer hopper vertical face and the inner hopper vertical face are intersected at an acute angle, so that the two hoppers have a good damping effect on vibration. The invention reduces the vibration noise of the pump set and better reduces the vibration influence of the environment and other equipment vibration on the bearing pump set. The invention can reduce the vibration noise by more than 7-10 decibels, and can be applied to land and vehicles besides ships; and good social and economic benefits are obtained.
Description
Technical Field
The invention relates to a ship pump set base, in particular to a stack bucket-shaped ship pump set base with a vibration isolation function, and belongs to the technical field of ship vibration reduction.
Background
The twenty-first century is the century of the ocean, and countries are strengthening research, development and application of ocean science and technology to enhance international ocean competitiveness. Therefore, the development of ocean industry, the protection of national and international ocean safety, is the mission of national commitment to the credit. A wide variety of vessels, marine equipment and military vessels are necessary to successfully perform a "mission". The ship pump set plays an extremely important role in ships, marine equipment and military ships, so that no pump set exists in modern ships. The marine pump set is used for performing mission tasks for ships, and people can supply and convey various fluids continuously in normal life, such as fuel oil, lubricating oil, cooling water and air for a host machine and a secondary machine; providing the deck machinery with pressurized liquid and compressed air; supplying water and air to the boiler; providing people with fresh water, fresh air, cool air and warm air; fire water, ballast water, water transfer and drainage … …, etc. are provided for vessel safety. However, because the pump set is a fluid conveying movement machine, large mechanical vibration and noise exist, and the environments of workplaces and mechanical places are bad due to the vibration and the noise, the pump set is influenced and damaged, other equipment is influenced and damaged, physical and psychological damage is also caused to crews, and when serious, the ship cannot normally complete mission tasks, and the stealth of the military ship is particularly unfavorable, so that the combat capability of the combat ship is severely restricted. In view of this, the current technical field of ship vibration reduction is mainly to reduce vibration and noise from the following two aspects, namely, to improve the structural design of a pump set (mainly a pump and a prime motor); secondly, the manufacturing precision of the pump set is improved; and thirdly, a shock absorber is additionally arranged between the pump set and the mounting base. However, the first and second methods do not prevent environmental and other equipment vibrations from affecting the pump stack; the third method is that the damper gradually reduces the damping efficiency as the service time is prolonged. In view of the above, a new vibration isolation structure is needed to reduce vibration noise of the pump unit.
Disclosure of Invention
The invention aims to provide a two-bucket nested marine pump set vibration isolation base capable of reducing vibration noise by more than 7-10 decibels for a pump set.
The aim of the invention is realized by the following technical scheme:
the vibration isolation base of the two-bucket nested marine pump set is fixed on a mounting base in a ship body and comprises a pump set seat plate, a bucket opening connecting plate, a retainer, a plurality of stiffening ribs, a body seat plate and two buckets, wherein the two buckets comprise an outer bucket and an inner bucket which are fixedly connected with each other; the two-bucket type is divided into a bucket opening upward type or a bucket opening downward type; in the two hoppers with the hopper openings facing upwards, the small end of the outer hopper faces upwards, the large end of the outer hopper is fixedly connected with the body seat plate at the bottom, the large end of the inner hopper faces upwards, and the small end of the inner hopper is fixedly connected with the pump group seat plate at the bottom; the guard ring passes through the large end of the outer bucket and is fixedly connected with the lower part of the outer bucket, and the lower side of the guard ring is fixedly connected with the upper side of the body seat plate and the peripheral surface of the outer bucket through a plurality of reinforcing ribs which are uniformly distributed; in the two hoppers with the hopper opening facing downwards, the small end of the outer hopper is downward, the large end of the outer hopper is fixedly connected with the body seat plate at the upper part, the small end of the inner hopper is upward, and the small end of the inner hopper is fixedly connected with the pump group seat plate at the upper part; the guard ring passes through the large end of the outer bucket and is fixedly connected with the upper part of the outer bucket, and the lower side of the guard ring is fixedly connected with the upper side of the body seat plate and the peripheral surface of the outer bucket through a plurality of reinforcing ribs which are uniformly distributed; in two types of two hoppers, the outer hopper vertical face and the inner hopper vertical face are intersected at an acute angle; the middle cover of the pump group is fixedly connected through a plurality of fasteners penetrating through the flange of the middle cover and the seat plate of the pump group, and the fluid pump or the compressor vertically penetrates through the through hole of the seat plate of the pump group; the small end port of the outer bucket and the large end port of the inner bucket are fixedly connected into a whole through corresponding bucket port connecting plates; the vertical surfaces of the inner bucket and the outer bucket are respectively provided with a plurality of frequency modulation holes with different sizes, and the inner side surface and the outer side surface of the two buckets are uniformly laid with energy absorption damping dressing.
The object of the invention is further achieved by the following technical measures.
Further, the two hoppers are provided with a frustum-shaped structure and a frustum-shaped structure; in the frustum-shaped structure, the pump set seat plate, the bucket opening connecting plate, the guard ring and the body seat plate are all round; in the conical frustum structure, the pump set base plate, the bucket opening connecting plate, the guard ring and the body base plate are polygonal.
Further, the small end port of the outer bucket and the large end port of the inner bucket are directly and fixedly connected, and the outer edge of the fixed connection part is naturally transited in a smooth circular arc.
Further, a relation formula A=nB of the number A of the mounting bolt holes of the pump set base plate and the number of the mounting bolt holes of the pump set is that n is more than or equal to 2 and is an integer; and the pump set seat board mounting bolt holes are arranged on two sides of the stiffening ribs.
Further, the number of the stiffening ribs is 1/2 of the number of the mounting bolt holes of the body seat plate.
Furthermore, the energy-absorbing damping dressing is made of a high polymer material.
The invention adopts the two-bucket structure that the inner bucket is sleeved in the outer bucket and is fixedly connected with each other, thereby increasing the absorption area of vibration and the transmission path of vibration and effectively attenuating the vibration. Simultaneously, for the two-bucket structure with the bucket opening facing upwards, the tensile stress from the load of the pump set is mainly born in the direction of the inner bucket bus or the ridge line, and the compressive stress from the load of the pump set is mainly born in the direction of the outer bucket bus or the ridge line; for the two-bucket structure with the downward bucket opening, the compression stress from the pump set load is mainly received in the direction of the inner bucket bus or the ridge line, the tensile stress from the pump set load is mainly received in the direction of the outer bucket bus or the ridge line, and the change of the stress direction in the direction of the inner bucket bus or the ridge line has damping effect on vertical vibration. The pump set is fixed on the pump set seat board of the small end port of the inner bucket, so that the invention is connected with the pump set into an organic whole, and a plurality of frequency modulation holes with different sizes are arranged on the inner side surface and the outer side surface of the two buckets, thereby changing the path of vibration transmission and adjusting the natural frequency of the two buckets, and further effectively attenuating the vibration; meanwhile, the inner bucket and the outer bucket are intersected at an acute angle, so that the sectional areas of the two buckets in different horizontal sections are unequal, and the stress of the different sections is unequal; furthermore, by combining the action of the frequency modulation holes, the stress at different positions in the same horizontal section of the two hoppers is also unequal, and the vibration is damped; the pump set bedplate mounting bolt holes are arranged on two sides of the stiffening ribs, so that vibration energy of the two-bucket telescopic pump set vibration isolation base for the ship can be more uniformly transmitted to the mounting base in the ship body, and single-point vibration intensity can be reduced. The energy-absorbing damping dressing laid on the inner side surface and the outer side surface of the two drawers can effectively absorb the mechanical energy of vibration and convert the mechanical energy into heat energy to be emitted into the air. Under the comprehensive action of the measures, the vibration noise of the pump set is reduced, and the vibration influence of the vibration of the environment and other equipment on the bearing pump set is better reduced. The invention can reduce the vibration noise by more than 7-10 decibels, can be applied to land and vehicles besides ships, and achieves good social and economic benefits.
Drawings
FIG. 1 is a schematic view of a bucket mouth upward type structure according to a first embodiment of the present invention;
FIG. 2 is a schematic diagram of a bucket mouth downward structure according to a second embodiment of the present invention;
FIG. 3 is a top view of the frustum shape of FIG. 1;
FIG. 4 is a top view of the pyramid frustum of FIG. 2;
FIG. 5 is a schematic view of the structure of the direct fixed connection of the outer bucket and the inner bucket;
fig. 6 is an expanded view of the outer frustum ring of fig. 1.
Detailed Description
The invention is further described below with reference to the drawings and examples.
As shown in fig. 1, the vibration isolation base of the two-bucket nested marine pump set is fixed on a ship body installation base 100, and comprises a pump set seat plate 1, a bucket opening connecting plate 2, a retainer 3, 8 stiffening ribs 4, a body seat plate 5 and two buckets 6, wherein the two buckets 6 comprise an outer bucket 61 and an inner bucket 62 which are fixedly connected with each other. As shown in fig. 1, the two hoppers 6 of the first embodiment are formed by welding and fixing the large ends of the two hoppers with the upward mouths and the small ends of the outer hoppers 61 with the upward mouths with the body seat board 5 at the bottom; the big end of the inner bucket 62 faces upwards, the small end of the inner bucket is welded with the pump set seat board 1 at the bottom, and the retainer 3 passes through the lower part of the big end of the outer bucket 61 to be welded with the outer bucket 61; the lower side of the guard ring 3 is welded and connected with the upper side of the body seat board 5 and the outer peripheral surface of the outer bucket 61 through 8 reinforcing ribs 4 which are uniformly distributed.
As shown in fig. 2, the second bucket 6 of the second embodiment is downward in bucket mouth, the small end of the outer bucket 61 is downward, the large end of the outer bucket is welded with the upper body seat plate 5, the large end of the inner bucket 62 is downward, and the small end of the inner bucket is welded with the upper pump group seat plate 1. The retainer 3 passes through the top of the large end of the outer bucket 61 and is welded with the outer bucket 61. The lower side of the guard ring 3 is welded and connected with the upper side of the body seat board 5 and the outer circumferential surface of the outer bucket 61 through 8 reinforcing ribs 4 which are uniformly distributed.
In both the first and second versions of the two bucket 6, the outer bucket elevation and the inner bucket elevation intersect at an acute angle. The outer bucket 61 and the inner bucket 62 are welded and fixed into a whole through the corresponding bucket opening connecting plates 2. The middle cover 201 of the pump set 20 is fixedly connected with the pump set seat board 1 and the adjusting gasket 13 through a plurality of fasteners 7 passing through the middle cover flange 202, the prime movers of the first embodiment and the second embodiment are both motors 203, and the motors 203 and the liquid pump or the compressor driven by the motors 203 form the pump set 20 which vertically passes through the pump set seat board through hole 11.
As shown in fig. 5, the small end port of the outer bucket 61 and the large end port of the inner bucket 62 can be directly welded and fixed, and the outer edge of the welded part is naturally transited in a smooth circular arc, so that one bucket opening connecting plate 2 can be saved, and the manufacturing cost is reduced.
As shown in fig. 6, the inner and outer sides of the two hoppers 6, namely the outer hopper 61 and the inner hopper 62, are respectively provided with a plurality of frequency modulation holes 64 with different sizes, and the energy-absorbing damping dressing 8 uniformly laid on the inner and outer sides of the two hoppers 6 can effectively absorb vibration.
As shown in fig. 3, in the two-bucket structure of the first embodiment, the pump group seat plate 1, the bucket opening connecting plate 2, the retainer 3 and the body seat plate 5 are all circular. As shown in fig. 4, in the two-bucket 6 structure of the two-cone frustum shape of the embodiment, the pump group seat plate 1, the bucket mouth connecting plate 2, the retainer 3 and the body seat plate 5 are rectangular.
The relation A=nB of the number A of the pump set plate mounting bolt holes 12 and the number B of the pump set mounting bolt holes 204, wherein n is an integer more than or equal to 2; the body seat plate mounting bolt holes 51 are arranged on both sides of the stiffening rib 4. The number of the stiffening ribs 4 is 1/2 of the number of the mounting bolt holes 51 of the body seat plate.
The energy-absorbing damping dressing 8 is made of a high polymer material. A plurality of adjusting gaskets 13 are arranged between the middle cover flange 202 of the pump group 20 and the pump group seat plate 1, so that the perpendicularity of the pump group 203 can be conveniently adjusted.
In addition to the above embodiments, other embodiments of the present invention are possible, and all technical solutions formed by equivalent substitution or equivalent transformation are within the scope of the present invention.
Claims (3)
1. The vibration isolation base of the two-bucket nested ship pump set is fixed on a ship body mounting base; the device is characterized by comprising a pump set seat plate, a bucket opening connecting plate, a guard ring, a plurality of stiffening ribs, a body seat plate and two buckets, wherein the two buckets comprise an outer bucket and an inner bucket which are fixedly connected with each other, and the two buckets are divided into bucket opening upwards or bucket opening downwards; in the two hoppers with the hopper openings facing upwards, the small end of the outer hopper faces upwards, the large end of the outer hopper is fixedly connected with the body seat plate at the bottom, the large end of the inner hopper faces upwards, and the small end of the inner hopper is fixedly connected with the pump group seat plate at the bottom; the guard ring passes through the lower part of the large end of the outer bucket and is fixedly connected with the outer bucket; the lower side of the guard ring is fixedly connected with the upper side of the body seat plate and the peripheral surface of the outer bucket table ring through a plurality of reinforcing ribs which are uniformly distributed; in the two hoppers with the hopper opening facing downwards, the small end of the outer hopper is downward, the large end of the outer hopper is fixedly connected with the upper body seat plate, the large end of the inner hopper is downward, and the small end of the inner hopper is fixedly connected with the upper pump group seat plate; the guard ring passes through the top of the large end of the outer bucket and is fixedly connected with the outer bucket; the lower side of the guard ring is fixedly connected with the upper side of the body seat plate and the peripheral surface of the outer bucket through a plurality of reinforcing ribs which are uniformly distributed; in two types of two hoppers in a frustum shape or a conical frustum shape, the outer hopper vertical face and the inner hopper vertical face are intersected at an acute angle; the middle cover of the pump group is fixedly connected through a plurality of fasteners penetrating through the flange of the middle cover and the seat plate of the pump group, and the fluid pump or the compressor vertically penetrates through the through hole of the seat plate of the pump group; the small end port of the outer bucket and the large end port of the inner bucket are fixedly connected into a whole through corresponding bucket port connecting plates; a plurality of frequency modulation holes with different sizes are respectively arranged on the outer bucket and the inner bucket of the two buckets; the inner side surface and the outer side surface of the second bucket are uniformly laid with energy-absorbing damping dressing;
in the frustum-shaped structure, the pump set seat plate, the bucket opening connecting plate, the guard ring and the body seat plate are all round; in the conical frustum structure, the pump set base plate, the bucket opening connecting plate, the guard ring and the body base plate are polygonal;
the small end port of the outer bucket is directly and fixedly connected with the large end port of the inner bucket, and the outer edge of the fixed connection part is naturally transited in a smooth circular arc;
the relation A=nB of the number A of the mounting bolt holes of the pump set base plate and the number B of the mounting bolt holes of the pump set, wherein n is more than or equal to 2 and is an integer; the body bedplate mounting bolt holes are arranged on two sides of the stiffening ribs.
2. The vibration isolation base of the two-bucket nested ship pump set according to claim 1, wherein the number of the stiffening ribs is 1/2 of the number of the mounting bolt holes of the body seat plate.
3. The vibration isolation base of the two-bucket nested marine pump set according to claim 1, wherein the energy-absorbing damping dressing is made of a high polymer material.
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 |
|---|---|
| CN108518340A CN108518340A (en) | 2018-09-11 |
| CN108518340B true CN108518340B (en) | 2024-01-26 |
Family
ID=63426642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810498138.7A Active CN108518340B (en) | 2018-05-23 | 2018-05-23 | Two-bucket stacked pump set vibration isolation base for ship |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108518340B (en) |
Citations (12)
| 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 |
| KR20010074179A (en) * | 2001-04-04 | 2001-08-04 | 박정근 | Multi-directional Seismic Isolation Devices |
| 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 |
| 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 |
| 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 |
| 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
Patent Citations (12)
| 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 |
| 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108518340A (en) | 2018-09-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108626108B (en) | Pump set vibration isolation base for three-bucket stacking ship | |
| CN110173469A (en) | A kind of petrol station horizontal pump group peculiar to vessel answers button-type vibration isolation gasket ring | |
| CN106838111A (en) | Damping isolation system and compound damping isolator | |
| CN103711990A (en) | Metal rubber-disc spring all-metal three-way composite support for piping vibration isolation and impact resistance | |
| CN204858837U (en) | Motor base | |
| CN210106258U (en) | Marine oil station horizontal pump package is detained type vibration isolation backing ring again | |
| CN108657377B (en) | Four-bucket overlapping type marine pump set vibration isolation base | |
| CN108518340B (en) | Two-bucket stacked pump set vibration isolation base for ship | |
| CN105756848B (en) | A kind of Very large floating structure tunes transmission vibration-damping generator | |
| CN108528631B (en) | Five-bucket stacked pump set vibration isolation base for ship | |
| EP1671047B1 (en) | Vibration mounting | |
| CN208311026U (en) | Two, which struggle against, is nested shape marine pump group vibration isolation mounts | |
| CN208429212U (en) | Five, which struggle against, is nested shape marine pump group vibration isolation mounts | |
| CN208431151U (en) | Three, which struggle against, is nested shape marine pump group vibration isolation mounts | |
| CN106545610A (en) | A kind of resonance free peak vibration isolator and its damping module | |
| CN210106260U (en) | Marine oil station vertical pump package is detained type vibration isolation backing ring again | |
| CN210087693U (en) | Vertical pump group of marine oil station is to detaining type vibration isolation backing ring | |
| CN210106259U (en) | Marine oil station horizontal pump package make-up type vibration isolation backing ring | |
| CN209380695U (en) | A kind of machining equipment workbench | |
| CN115596800B (en) | Floating fan vibration damper and implementation method | |
| CN208923688U (en) | A kind of shockproof box-type substation of movement | |
| CN105822721A (en) | Vibration reducing device of long-distance pulp pipe | |
| CN214246820U (en) | Mounting structure, damper group, tower section of thick bamboo and wind generating set | |
| CN101826773A (en) | Pulse load genset | |
| CN110206763A (en) | A kind of stand-type pump group of bunker oil answers button-type vibration isolation gasket ring |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |