CN111532403A - Formula cabin raft is embraced in sinking - Google Patents
Formula cabin raft is embraced in sinking Download PDFInfo
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- CN111532403A CN111532403A CN202010413353.XA CN202010413353A CN111532403A CN 111532403 A CN111532403 A CN 111532403A CN 202010413353 A CN202010413353 A CN 202010413353A CN 111532403 A CN111532403 A CN 111532403A
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- frame
- raft
- encircling
- cabin
- rail
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63C—LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS
- B63C11/00—Equipment for dwelling or working underwater; Means for searching for underwater objects
- B63C11/52—Tools specially adapted for working underwater, not otherwise provided for
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63G—OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; AIRCRAFT CARRIERS
- B63G8/00—Underwater vessels, e.g. submarines; Equipment specially adapted therefor
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- Mechanical Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Body Structure For Vehicles (AREA)
Abstract
The application relates to a formula cabin raft is embraced in sinking includes: the lower raft frame comprises an upper layer frame and a lower layer frame, the upper layer frame is fixedly connected with the lower layer frame, and the lower layer frame is used for lowering the gravity center of the lower raft frame; a plurality of upper vibration isolators respectively arranged at the upper parts of a first side frame and a second side frame of the upper frame, wherein the first side frame and the second side frame are oppositely arranged; and the lower vibration isolators are respectively arranged at the lower parts of the first side frame and the second side frame. The gravity center of the sinking encircling cabin raft is reduced through the lower layer frame arranged on the lower raft frame, so that when the equipment is installed on the sinking encircling cabin raft, the overall gravity center of the sinking encircling cabin raft and the equipment is lowered, the phenomenon that the equipment installed on the sinking encircling cabin raft shakes due to overhigh gravity center is avoided, the noise generated by shaking is avoided, and the vibration isolation performance and the stability of the sinking encircling cabin raft are improved.
Description
Technical Field
The application relates to the technical field of vibration isolation, in particular to a sinking encircling cabin raft.
Background
The underwater vehicle undertakes the tasks of safeguarding the national oceanic homeland security, maintaining and guaranteeing the ocean rights and interests. In the twenty-first century, the main strong countries in the world use an underwater vehicle as a main target to construct an underwater three-dimensional stereo detection sonar network system, realize underwater ultra-remote detection, improve anti-submarine detection capability and provide a serious challenge to the acoustic vibration reduction and noise reduction technology of the underwater vehicle in China. Strengthening the low noise performance of the underwater vehicle becomes an important way for improving the comprehensive defense capability, the survival capability and the operational efficiency of the underwater vehicle in China and obtaining strategic and tactical advantages.
The noise of the underwater vehicle is divided into three major noise sources, namely mechanical noise, propeller noise, hydrodynamic noise and the like, and the main noise source characteristics are superposition of a strong line spectrum and a weak continuous spectrum. Tests show that under the working condition of electric propulsion, noise generated during low-speed navigation of the underwater vehicle mainly comes from mechanical noise, accounts for about 70% of the total radiated noise level, and mainly comes from the fact that the operation of a main engine, an auxiliary engine and a shaft system inside the underwater vehicle transmits and excites the shell through the floating raft and the base, so that the shell vibrates and radiates noise into surrounding water media. As a vibration damping/isolating platform, a buoyant raft is currently the best way to concentrate and isolate the vibration of mechanical equipment. But the vibration isolation performance and the stability performance of the existing floating raft are poor.
Disclosure of Invention
The utility model provides a formula cabin raft is encircled in sinking has solved the equal relatively poor problem of buoyant raft vibration isolation performance and stability ability.
In order to achieve the above object, the present invention provides a submerged encircling type raft, comprising:
the lower raft frame comprises an upper layer frame and a lower layer frame, the upper layer frame is fixedly connected with the lower layer frame, and the lower layer frame is used for lowering the gravity center of the lower raft frame;
a plurality of upper vibration isolators respectively arranged at the upper parts of a first side frame and a second side frame of the upper frame, wherein the first side frame and the second side frame are oppositely arranged;
a plurality of lower vibration isolators respectively disposed at lower portions of the first and second side frames
Optionally or preferably, the lower raft frame further comprises: a plurality of raft frame vertical connecting rods down, every the first end of raft frame vertical connecting rod down all with upper frame attach, every the second end of raft frame vertical connecting rod down all with lower floor's frame attach.
Optionally or preferably, the first side frame and the second side frame both have a cavity structure, and a rib plate is arranged in the cavity structure.
Optionally or preferably, the outer side of the lower frame is wrapped with a damping material.
Alternatively or preferably, the lower frame is made of a member having a hollow structure, and the member is filled with a damping material.
Optionally or preferably, the method further comprises: two installation guide rails, every the installation guide rail all includes sliding connection's upper rail and lower rail, every the upper rail all passes through down the isolator with raft frame is connected down.
Optionally or preferably, each upper rail is provided with a mounting hole for mounting the lower vibration isolator.
Optionally or preferably, a first limiting block is arranged on the side portion of the upper rail, a second limiting block is arranged on the side portion of the lower rail, and the first limiting block and the second limiting block are located on the same side;
when the interval between the first limiting block and the second limiting block is gradually increased from the minimum value, the upper rail and the lower rail are gradually changed from a combined state to a separated state in the length direction of the mounting guide rail, and the separated state comprises partial separation and complete separation.
Optionally or preferably, the upper rail is provided with a first limiting hole penetrating through the upper rail, and the lower rail is provided with a second limiting hole corresponding to the first limiting hole one to one.
Optionally or preferably, the method further comprises: the upper raft frame is fixedly connected to the upper frame of the lower raft frame;
wherein the upper raft frame surrounds the equipment mounted on the upper vibration isolator to protect the equipment from external impact.
Compared with the prior art, in the embodiment of the application, the center of gravity of the sinking encircling cabin raft is reduced through the lower-layer frame arranged on the lower raft frame, so that the equipment is installed on the sinking encircling cabin raft, the overall center of gravity of the sinking encircling cabin raft and the equipment is lowered, the phenomenon that the equipment installed on the sinking encircling cabin raft is rocked due to overhigh center of gravity is avoided, the noise generated by rocking is avoided, and the vibration isolation performance and the stability of the sinking encircling cabin raft are improved.
Drawings
Fig. 1 is a schematic structural diagram of a sinking encircling type cabin raft according to an embodiment of the present application;
fig. 2 is a schematic structural view of a lower raft frame of the sunken encircling cabin raft shown in fig. 1;
fig. 3 is a schematic structural view of a mounting rail of the sunken encircling raft shown in fig. 1;
fig. 4 is a schematic structural view of an upper raft frame of the sunken encircling cabin raft shown in fig. 1.
In the figure:
1-setting a raft frame; 2, installing a guide rail; 3, mounting a raft frame; 4-an upper vibration isolator; 5-lower vibration isolator; 6-upper frame; 7-a vertical connecting rod; 8-a lower layer frame; 9-a first limiting block; 10-a second limiting block; 11-lower rail; 12-rail mounting; 13-mounting holes; 14-a first limiting hole; 15-mounting the upper layer frame of the raft frame; 16-upper raft frame lower frame; and 17-mounting the raft frame vertical connecting rod.
Detailed Description
The technical solution of the present application is further described in detail by the accompanying drawings and examples.
Referring to fig. 1 to 4, a submerged encircling cabin raft provided in an embodiment of the present application includes: a lower raft frame 1, a plurality of upper vibration isolators 4 and a plurality of lower vibration isolators 5. The lower raft frame 1 comprises an upper layer frame 6 and a lower layer frame 8, the upper layer frame 6 is fixedly connected with the lower layer frame 8, and the lower layer frame 8 is used for lowering the gravity center of the lower raft frame 1; the plurality of upper vibration isolators 4 are respectively disposed at upper portions of the first side frame 61 and the second side frame 62 of the upper frame 6, and the first side frame 61 and the second side frame 62 are oppositely disposed; a plurality of lower vibration isolators 5 are respectively disposed at lower portions of the first and second side frames 61 and 62. The gravity center of the sinking encircling cabin raft is reduced through the lower layer frame arranged on the lower raft frame, so that when the equipment is installed on the sinking encircling cabin raft, the overall gravity center of the sinking encircling cabin raft and the equipment is lowered, the phenomenon that the equipment installed on the sinking encircling cabin raft shakes due to overhigh gravity center is avoided, the noise generated by shaking is avoided, and the vibration isolation performance and the stability of the sinking encircling cabin raft are improved.
Alternatively, the upper vibration isolator 4 and the lower vibration isolator 5 are each fixed to the first side frame and/or the second side frame by bolts, rivets, or the like.
It should be noted that the submerged encircling type cabin raft provided in the embodiment of the present application may be used for installation of equipment with a heavy head and a light foot, so that the center of gravity of the equipment with a heavy head and a light foot may be lowered, and the stability of the equipment may be improved.
In addition, under the action of the upper vibration isolators 4, noise generated when the equipment shakes can be weakened, stress generated when the equipment inclines can be weakened, and safety of the equipment inclining left, right, front and back is improved.
In some examples, as shown in fig. 1 and 2, lower raft frame 1 further comprises: a plurality of raft frame vertical connecting rods 7 down, the first end of every raft frame vertical connecting rod 7 all is connected with upper frame 6, and the second end of every raft frame vertical connecting rod 7 all is connected with lower floor's frame 8. Wherein, every lower raft frame vertical connecting rod 7 all can adopt fixed connection modes such as welding, riveting to be connected with upper frame 6 and/or lower floor's frame 8.
Optionally, the upper frame 6, the vertical connecting rod 7 and the lower frame 8 are all made of steel plates, section steel, steel pipes and/or thin-walled steel profiles.
In some examples, to facilitate mounting of the upper and/or lower vibration isolators 4 and 5 and to reinforce the strength of the upper frame 6, the first and second side frames 61 and 62 may each be designed as a cavity structure, and ribs 63 may be provided within the cavity structure. The rib 63 may be fixed in the cavity structure by welding, riveting, or the like.
In some examples, in order to adjust the center of gravity of the submerged encircling type cabin raft and/or enhance the vibration isolation and damping effect, the outer side of the lower layer frame 8 is wrapped with damping material (not shown in the figure); and/or the lower frame 8 is made of a member having a hollow structure, wherein the member is filled with a damping material (not shown in the drawings). Optionally, the damping material is rubber, plastic damping plates, foam plastic, or high damping alloy, etc.
In some examples, as shown in fig. 1 and 3, in order to facilitate taking out of the submerged encircling cabin raft and the internal devices, and to facilitate daily maintenance, the submerged encircling cabin raft in the embodiment of the present application further includes: two installation guide rails 2, every installation guide rail 2 all includes sliding connection's upper rail 12 and lower rail 11, and every upper rail 12 all is connected with raft frame 1 down through isolator 5 down.
In addition, with two installation guide rails 2 as the partly of formula cabin raft that encircles sinks, not only make formula cabin raft that encircles sinks and the equipment of internally mounted be convenient for install and maintain, also make the weight of lower raft frame 1 of formula cabin raft that encircles sinks obtain the reduction.
Further, each upper rail 12 is provided with a mounting hole 13 for mounting the lower insulator 5. That is, the first end of the lower vibration isolator 5 is connected to the lower raft frame 1, and the other end of the lower vibration isolator 5 is connected to the upper rail 12.
In some examples, as shown in fig. 3, for convenience of installation and positioning, a first stopper 9 is disposed on a side portion of the upper rail 12, a second stopper 10 is disposed on a side portion of the lower rail 11, and the first stopper 9 and the second stopper 10 are located on the same side;
when the interval between the first stopper 9 and the second stopper 10 is gradually increased from the minimum value, the upper rail 12 and the lower rail 11 are gradually changed from the combined state to the separated state in the length direction of the mounting rail 2, and the separated state includes partial separation and complete separation.
That is, when the upper rail 12 is gradually pushed out, the first stopper 9 should be gradually away from the second stopper 10, rather than further pressing the second stopper 10. When the upper rail 12 is gradually pushed in, the first limiting block 9 and the second limiting block 10 are just completely contacted after reaching the ideal relative position. The positions of the first limiting block 9 and the second limiting block 10 do not interfere with a cabin shell and internal mechanical equipment of the underwater vehicle.
Alternatively, in order to facilitate viewing of the positions of the first stopper 9 and the second stopper 10, the first stopper 9 may be provided at an end of the upper rail 12, and the second stopper 10 may be provided at an end of the lower rail 11.
In some examples, as shown in fig. 3, after the upper rail 12 and the lower rail 11 are completely combined (i.e. when the first stopper 9 and the second stopper 10 are completely contacted), in order to avoid relative sliding between the upper rail 12 and the lower rail 11, a first stopper hole 14 penetrating through the upper rail is provided on the upper rail 12, and second stopper holes (not shown in the figure) corresponding to the first stopper holes one-to-one are provided on the lower rail 11, wherein the second stopper may not penetrate through the lower rail 11. The upper rail 12 and the lower rail 11 are ensured not to slide relatively by inserting bolts, keys or pins into the first limiting hole 14 and the second limiting block.
In some examples, as shown in fig. 1 and 4, in order to avoid the equipment mounted on the upper vibration isolator 4 from external impact, the sunken encircling cabin raft in the embodiment of the present application further includes: the upper raft frame 3 is fixedly connected to an upper layer frame 6 of the lower raft frame 1; wherein the upper raft 3 surrounds the equipment mounted on the upper vibration isolator 4 to protect the equipment from external impact. Wherein, the structure of the upper raft frame 3 can be selected according to the actual situation, when the gravity center of the vibration isolation raft frame needs to be raised, the weight of the upper raft frame 3 can be increased or the height of the upper raft frame 3 can be raised; when the gravity center of the vibration isolation raft frame needs to be lowered, the weight of the upper raft frame 3 can be reduced or the height of the upper raft frame 3 can be lowered, and the weight can be determined according to actual conditions without limitation.
Optionally, upper raft 3 comprises an upper raft upper frame 15 and an upper raft lower frame 16; wherein, the upper raft frame upper layer frame 15 and the upper raft frame lower layer frame 16 are assembled by the upper raft frame vertical connecting rod 17 by adopting fixed connection modes such as welding, riveting and the like.
Optionally, the upper raft frame upper layer frame 15, the upper raft frame lower layer frame 16 and the upper raft frame vertical connecting rod 17 are all made of steel plates, section steel, steel pipes and/or thin-walled steel section bars.
In addition, the vibration isolation that this application embodiment provided floats, the width of the upper frame 6 of its lower raft frame 1 is greater than the width of lower floor's frame 8 to construct wide shape from top to bottom, and then make the shape of the formula cabin raft of surging and surround be close to with the shape of the cylindric cabin body of underwater vehicle, this just makes, the shell that the cylindric cabin body was more pressed close to the formula cabin raft of should subsiding, has saved the under-deck space, and easily takes out the maintenance together with the under-deck device, has fully utilized the inner space of cylindric cabin body.
It will be appreciated that the isolation rafts provided by embodiments of the present application may be mounted on a mounting foundation within the hull of an underwater vehicle. The submerged encircling cabin raft aims to mount all mechanical equipment in the whole cabin of an underwater vehicle on the submerged encircling cabin raft in an elastic or rigid mode, fix the submerged encircling cabin raft on a shell structure in the cabin in an elastic supporting mode or a suspension mode, and reduce mechanical vibration through a mechanical insulation and vibration reduction method so as to reduce radiation noise of the underwater vehicle.
In addition, the devices in the underwater vehicle may be all installed in the submerged encircling cabin raft or may be partially installed in the submerged encircling cabin raft, which may be determined according to the actual situation, and is not limited herein.
To sum up, the formula cabin raft of embracing sinks that this application provided has following advantage at least:
1. the sinking encircling cabin raft fully utilizes the space of the cylindrical cabin body.
2. The sinking encircling cabin raft and the mechanical equipment arranged inside the sinking encircling cabin raft are convenient to take out, and convenience is provided for daily maintenance.
3. The gravity center of the sinking encircling type cabin raft is lower than the installation foundation in the cabin body of the underwater vehicle, and the stability is good.
4. The structure of the upper raft frame of the sunken encircling cabin raft helps to protect internal equipment after being impacted by the outside.
5. The weight and the gravity center position of the upper raft frame and the lower raft frame of the sinking encircling cabin raft can be adjusted, and the further design parameters can be favorably improved to improve the vibration reduction performance.
6. The sinking encircling cabin raft has good vibration reduction performance, and the vibration level drop exceeds 30dB when the source level of equipment is lower.
The above-mentioned embodiments, objects, technical solutions and advantages of the present application are described in further detail, it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present application, and are not intended to limit the scope of the present application, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.
Claims (10)
1. A submergence encircling cabin raft, comprising:
the lower raft frame comprises an upper layer frame and a lower layer frame, the upper layer frame is fixedly connected with the lower layer frame, and the lower layer frame is used for lowering the gravity center of the lower raft frame;
a plurality of upper vibration isolators respectively arranged at the upper parts of a first side frame and a second side frame of the upper frame, wherein the first side frame and the second side frame are oppositely arranged;
and the lower vibration isolators are respectively arranged at the lower parts of the first side frame and the second side frame.
2. The submergible encircling pod raft of claim 1, wherein the lower raft frame further comprises: a plurality of raft frame vertical connecting rods down, every the first end of raft frame vertical connecting rod down all with upper frame attach, every the second end of raft frame vertical connecting rod down all with lower floor's frame attach.
3. The sunken encircling pod raft of claim 1 wherein each of the first side frame and the second side frame has a cavity structure with ribs disposed therein.
4. The submergible encircling pod raft of claim 1, wherein the outer side of the lower frame is wrapped with a damping material.
5. A sinking encircling cabin raft according to claim 1, wherein said lower frame is made of elements having a hollow structure, said elements being filled with a damping material.
6. The submergible encircling pod raft of claim 1, further comprising: two installation guide rails, every the installation guide rail all includes sliding connection's upper rail and lower rail, every the upper rail all passes through down the isolator with raft frame is connected down.
7. The submergible encircling cabin raft according to claim 6, wherein each of said upper rails is provided with a mounting hole for mounting said lower vibration isolator.
8. The sinking encircling cabin raft according to claim 6, wherein a first limiting block is disposed on a side portion of the upper rail, a second limiting block is disposed on a side portion of the lower rail, and the first limiting block and the second limiting block are located on the same side;
when the interval between the first limiting block and the second limiting block is gradually increased from the minimum value, the upper rail and the lower rail are gradually changed from a combined state to a separated state in the length direction of the mounting guide rail, and the separated state comprises partial separation and complete separation.
9. The submergible encircling type raft according to claim 8, wherein a first limiting hole penetrating through the upper rail is formed in the upper rail, and second limiting holes corresponding to the first limiting holes in a one-to-one manner are formed in the lower rail.
10. A sinking encircling pod raft according to any one of claims 1 to 9, further comprising: the upper raft frame is fixedly connected to the upper frame of the lower raft frame;
wherein the upper raft frame surrounds the equipment mounted on the upper vibration isolator to protect the equipment from external impact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010413353.XA CN111532403B (en) | 2020-05-15 | 2020-05-15 | Formula cabin raft is embraced in sinking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010413353.XA CN111532403B (en) | 2020-05-15 | 2020-05-15 | Formula cabin raft is embraced in sinking |
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| CN111532403A true CN111532403A (en) | 2020-08-14 |
| CN111532403B CN111532403B (en) | 2022-05-24 |
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| CN202010413353.XA Active CN111532403B (en) | 2020-05-15 | 2020-05-15 | Formula cabin raft is embraced in sinking |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919710A (en) * | 2022-06-09 | 2022-08-19 | 中国舰船研究设计中心 | Net frame type box floating raft structure and design method thereof |
| CN115465428A (en) * | 2022-08-31 | 2022-12-13 | 哈尔滨工程大学 | Vibration and noise reduction device for stern power cabin of underwater vehicle |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU600017A1 (en) * | 1977-02-02 | 1978-03-30 | Предприятие П/Я В-8662 | Ship-mounted foundation |
| CN101311070A (en) * | 2008-06-19 | 2008-11-26 | 江苏南极机械有限责任公司 | Modularized shock resistant vibration isolation raft for ship basic propulsion system |
| EP2221501A2 (en) * | 2009-02-24 | 2010-08-25 | Howaldtswerke-Deutsche Werft GmbH | Shock damper |
| CN102644694A (en) * | 2012-04-27 | 2012-08-22 | 上海海事大学 | Vibration isolation system of elastic foundation buoyancy raft for marine machinery |
| CN102673733A (en) * | 2012-06-07 | 2012-09-19 | 江苏科技大学 | Vibration and noise reduction device |
| CN102717885A (en) * | 2012-06-26 | 2012-10-10 | 上海交通大学 | Horizontal floating raft vibration isolation device |
| CN104020005A (en) * | 2014-06-17 | 2014-09-03 | 江苏省镇江船厂（集团）有限公司 | Vibration isolation simulation device for marine engine room auxiliary machines |
| CN105927704A (en) * | 2016-06-17 | 2016-09-07 | 中国船舶重工集团公司第七○二研究所 | Circumferential direction shearing bearing type buoyant raft vibration isolating device |
| CN108036018A (en) * | 2017-12-06 | 2018-05-15 | 吉林大学 | Tandem six degree of freedom air suspension vibration-isolating platform |
| CN209336978U (en) * | 2019-01-04 | 2019-09-03 | 沈伟亮 | A kind of mounting bracket of marine main engine |
-
2020
- 2020-05-15 CN CN202010413353.XA patent/CN111532403B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU600017A1 (en) * | 1977-02-02 | 1978-03-30 | Предприятие П/Я В-8662 | Ship-mounted foundation |
| CN101311070A (en) * | 2008-06-19 | 2008-11-26 | 江苏南极机械有限责任公司 | Modularized shock resistant vibration isolation raft for ship basic propulsion system |
| EP2221501A2 (en) * | 2009-02-24 | 2010-08-25 | Howaldtswerke-Deutsche Werft GmbH | Shock damper |
| CN102644694A (en) * | 2012-04-27 | 2012-08-22 | 上海海事大学 | Vibration isolation system of elastic foundation buoyancy raft for marine machinery |
| CN102673733A (en) * | 2012-06-07 | 2012-09-19 | 江苏科技大学 | Vibration and noise reduction device |
| CN102717885A (en) * | 2012-06-26 | 2012-10-10 | 上海交通大学 | Horizontal floating raft vibration isolation device |
| CN104020005A (en) * | 2014-06-17 | 2014-09-03 | 江苏省镇江船厂（集团）有限公司 | Vibration isolation simulation device for marine engine room auxiliary machines |
| CN105927704A (en) * | 2016-06-17 | 2016-09-07 | 中国船舶重工集团公司第七○二研究所 | Circumferential direction shearing bearing type buoyant raft vibration isolating device |
| CN108036018A (en) * | 2017-12-06 | 2018-05-15 | 吉林大学 | Tandem six degree of freedom air suspension vibration-isolating platform |
| CN209336978U (en) * | 2019-01-04 | 2019-09-03 | 沈伟亮 | A kind of mounting bracket of marine main engine |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114919710A (en) * | 2022-06-09 | 2022-08-19 | 中国舰船研究设计中心 | Net frame type box floating raft structure and design method thereof |
| CN114919710B (en) * | 2022-06-09 | 2024-05-07 | 中国舰船研究设计中心 | Grid type box body floating raft structure and design method thereof |
| CN115465428A (en) * | 2022-08-31 | 2022-12-13 | 哈尔滨工程大学 | Vibration and noise reduction device for stern power cabin of underwater vehicle |
| CN115465428B (en) * | 2022-08-31 | 2023-10-20 | 哈尔滨工程大学 | Vibration and noise reduction device for stern power cabin of underwater vehicle |
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| Publication number | Publication date |
|---|---|
| CN111532403B (en) | 2022-05-24 |
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