CN108100204A - Ship Power Equipment noise reduction system - Google Patents
Ship Power Equipment noise reduction system Download PDFInfo
- Publication number
- CN108100204A CN108100204A CN201711364333.2A CN201711364333A CN108100204A CN 108100204 A CN108100204 A CN 108100204A CN 201711364333 A CN201711364333 A CN 201711364333A CN 108100204 A CN108100204 A CN 108100204A
- Authority
- CN
- China
- Prior art keywords
- blimp
- power equipment
- power set
- noise reduction
- reduction system
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/30—Mounting of propulsion plant or unit, e.g. for anti-vibration purposes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
- F02B77/00—Component parts, details or accessories, not otherwise provided for
- F02B77/11—Thermal or acoustic insulation
- F02B77/13—Acoustic insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02C—GAS-TURBINE PLANTS; AIR INTAKES FOR JET-PROPULSION PLANTS; CONTROLLING FUEL SUPPLY IN AIR-BREATHING JET-PROPULSION PLANTS
- F02C7/00—Features, components parts, details or accessories, not provided for in, or of interest apart form groups F02C1/00 - F02C6/00; Air intakes for jet-propulsion plants
- F02C7/24—Heat or noise insulation
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F15/00—Suppression of vibrations in systems; Means or arrangements for avoiding or reducing out-of-balance forces, e.g. due to motion
- F16F15/02—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems
- F16F15/04—Suppression of vibrations of non-rotating, e.g. reciprocating systems; Suppression of vibrations of rotating systems by use of members not moving with the rotating systems using elastic means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H21/00—Use of propulsion power plant or units on vessels
- B63H21/30—Mounting of propulsion plant or unit, e.g. for anti-vibration purposes
- B63H2021/307—Arrangements, or mountings of propulsion power plant elements in modular propulsion power units, e.g. using containers
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Ocean & Marine Engineering (AREA)
- Aviation & Aerospace Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The disclosure provides a kind of Ship Power Equipment noise reduction system, blimp damping device includes lower support mechanism, blimp beam, upper supporting mechanism and blimp bottom plate, and the lower support mechanism, blimp beam, upper supporting mechanism and blimp bottom plate are sequentially placed into from bottom to up on the floor in Ship Power Equipment cabin, the blimp is placed on the blimp bottom plate.
Description
Technical field
This disclosure relates to a kind of noise reduction system more particularly to a kind of Ship Power Equipment noise reduction system.
Background technology
The common host of ship is diesel engine, followed by gas turbine.Ship using nuclear device as power-equipment also compares
It is less.Diesel engine is mainly the noise generated due to pneumatic, mechanical two aspect.Gas in the cylinder stay by generation sound in combustion process
Ripple, acoustic pressure rise and fall directly to radiate by scavenging period etc. and pass through cylinder wall and are propagated and radiated in the form of structure-borne sound.Combustion process
The mechanical oscillation of middle impact wave excitation are passed to by piston, connecting rod, crank axle in diesel oil mechanism rack, and by crankcase, housing etc.
To external radiation acoustic energy.The noise of low-speed diesel engine (rotating speed is less than 200 turns per minute) is mainly from the upper surface of diesel engine, supercharging
Device and air exchange system are nearby to external radiation, depending on frequency is depending mainly on the rotating speed and combustion period of machine.Medium seed diesel engine (turns
Speed it is per minute 300~750 turns) noise be usually above low-speed diesel engine.Main noise grade appears in Mid Frequency, this is burned
The big reason of stroke pressure rate of rise.Valve cover, maintenance door, crankcase side wall etc. are most loud.In the extension and cylinder of low-frequency range
Maximum pressure is related, and the noise of high band is then the supercharger systems production of this machine as caused by pressure fluctuation in cylinder
Raw high band noise.The low frequency range noise grade of high-speed diesel engine (rotating speed is per minute more than 800 turns) is relatively low.This machine has height
Combustion pressure and the characteristics of flash fire, so the rotatable parts of machine, tilting member and valve mechanism etc. send very noisy.
The noise frequency of gear engagement is decided by that the number of teeth multiplies rotating speed.The noise frequency of motor slot number is decided by that axle speed is multiplied by stator poles.
The noise frequency of gas turbine is decided by that rotating speed is multiplied by the number of blade.Pump at work, flows in pipeline since pressure fluctuation generates
Body kinetic noise.Various machineries are at work except directly in addition to ambient radiation noise, the shaking machine also by respective pedestal
It is dynamic to pass to shell, cause the framework of shell and coverboard vibration.These structural vibrations formed structure-borne sound, in hull propagate and to
Surrounding media (empty gas and water) radiated noise (see noise radiation).
The content of the invention
In order to reduce the noise of Ship Power Equipment, the disclosure provides a kind of Ship Power Equipment noise reduction system, by with
Lower technical solution is realized.
Ship Power Equipment noise reduction system, including blimp and blimp damping device, Ship Power Equipment is placed in described
In blimp, the blimp damping device includes lower support mechanism, blimp beam, upper supporting mechanism and sound insulation
Cover bottom plate, and the lower support mechanism, blimp beam, upper supporting mechanism and blimp bottom plate are from bottom to up successively
It is placed on the floor in Ship Power Equipment cabin, the blimp is placed on the blimp bottom plate.
Further, the Ship Power Equipment has power set damping device；The power set damping device
Including power set supporting mechanism, power set beam and power set bottom plate, the power set beam is arranged on described
On power set supporting mechanism, the power set bottom plate is arranged on power set beam.
Further, the lower support mechanism includes two pieces of main supporting plates and one piece of secondary support plate, the main supporting plate
Vertically arranged, the pair support plate is laterally arranged on main supporting plate.
Further, the main supporting plate is equipped with comer gusset panels with angle formed by secondary support plate.
Further, the surrounding of the blimp is additionally provided with supporting rod.
Further, the blimp is equipped with manhole.
The advantageous effect of the disclosure
By the way that the installation transition of power set and hull is installed using elasticity, what reduction power set vibrations generated makes an uproar
Sound；Increase blimp around power set, the noise that power set are sent is enclosed in fixed space, and blimp is using complete
Closed installation, since friction and viscosity resistance, acoustic energy are converted into thermal energy.When noise spreads out of power set region, pass through
Blimp around power set is significantly decayed.
Description of the drawings
Attached drawing shows the illustrative embodiments of the disclosure, and it is bright together for explaining the principle of the disclosure,
Which includes these attached drawings to provide further understanding of the disclosure, and attached drawing is included in the description and forms this
Part for specification.
Fig. 1 is the structure diagram of the Ship Power Equipment noise reduction system of disclosure specific embodiment.
Reference sign：1- blimps；2- blimp damping devices；21- lower support mechanism；211- main supporting plates；
212- pair support plates；213- comer gusset panels；22- blimp beams；23- upper supporting mechanisms；24- blimp bottom plates；3-
Power set shock-damping structure；31- power set supporting mechanisms；32- power set beams；33- power set bottom plates.
Specific embodiment
The disclosure is described in further detail with reference to the accompanying drawings and examples.It is understood that this place is retouched
The specific embodiment stated is only used for explaining related content rather than the restriction to the disclosure.It also should be noted that in order to just
It is illustrated only in description, attached drawing and the relevant part of the disclosure.
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the disclosure can phase
Mutually combination.The disclosure is described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
As shown in Figure 1, Ship Power Equipment noise reduction system, including blimp and blimp damping device, ship power dress
It is placed in the blimp, the blimp damping device includes lower support mechanism, blimp beam, upper support machine
Structure and blimp bottom plate, and the lower support mechanism, blimp beam, upper supporting mechanism and blimp bottom plate from
Under it is supreme be sequentially placed on the floor in Ship Power Equipment cabin, the blimp is placed on the blimp bottom plate.The ship
Power set have power set damping device；The power set damping device includes power set supporting mechanism, power
Device beam and power set bottom plate, the power set beam are arranged on the power set supporting mechanism, described dynamic
Power apparatus bottom plate is arranged on power set beam.The lower support mechanism includes two pieces of main supporting plates and one piece of secondary support
Plate, the main supporting plate is vertically arranged, and the pair support plate is laterally arranged on main supporting plate.The main supporting plate and secondary support plate
Formed angle is equipped with comer gusset panels.The surrounding of the blimp is additionally provided with supporting rod.The blimp is equipped with maintenance
Hole.
In more detail, the noise reduction system of Ship Power Equipment, including blimp 1 and blimp damping device 2, ship power
Device is arranged in blimp 1, and blimp damping device 2 includes lower support mechanism 21, blimp beam 22, upper support machine
Structure 23 and blimp bottom plate 24, and lower support mechanism 21, blimp beam 22, upper supporting mechanism 23 and blimp
Bottom plate 24 is sequentially arranged in from bottom to up on watercraft engine room floor, and blimp 1 is arranged on blimp bottom plate 24, under Ship Power Equipment
Equipped with power set shock-damping structure 3, power set shock-damping structure 3 includes power set supporting mechanism 31, power set beam
32 and power set bottom plate 33, power set beam 32 is arranged on power set supporting mechanism 31, and power set bottom plate 33 is set
In on power set beam 32.Bottom bracing structure 21 includes two pieces of main supporting plates 211 and one piece of secondary support plate 212, main branch
Fagging 211 is vertically arranged, and secondary support plate 212 is laterally arranged on main supporting plate 211, in order to increase the secured of lower support mechanism 21
Property, main support 211 is equipped with comer gusset panels 213 with angle formed by secondary support plate 212.Blimp 1 is tiny fiberboard
It is prepared, the surrounding of blimp 1 is additionally provided with supporting rod (not shown), avoids blimp 1 because shaking from blimp bottom
Plate slips about 24, as long as the requirement of the stable blimp of setting satisfaction of supporting rod, and blimp bottom plate 24 and power
Device bottom plate 33 is all diamond plate, is overhauled for convenience, and blimp 1 is equipped with manhole (not shown).
It will be understood by those of skill in the art that the above embodiment is used for the purpose of clearly demonstrating the disclosure, and simultaneously
Non- is that the scope of the present disclosure is defined.For those skilled in the art, may be used also on the basis of disclosed above
To make other variations or modification, and these variations or modification are still in the scope of the present disclosure.
Claims (6)
1. Ship Power Equipment noise reduction system, it is characterised in that：Including blimp and blimp damping device, Ship Power Equipment
It is placed in the blimp, the blimp damping device includes lower support mechanism, blimp beam, upper supporting mechanism
And blimp bottom plate, and the lower support mechanism, blimp beam, upper supporting mechanism and blimp bottom plate are under
Supreme to be sequentially placed on the floor in Ship Power Equipment cabin, the blimp is placed on the blimp bottom plate.
2. Ship Power Equipment noise reduction system according to claim 1, which is characterized in that the Ship Power Equipment is divided into
Dynamic device damping device；The power set damping device include power set supporting mechanism, power set beam and
Power set bottom plate, the power set beam are arranged on the power set supporting mechanism, and the power set bottom plate is set
In on power set beam.
3. Ship Power Equipment noise reduction system according to claim 1 or 2, which is characterized in that the lower support mechanism
Including two pieces of main supporting plates and one piece of secondary support plate, the main supporting plate is vertically arranged, and the pair support plate is laterally arranged on main branch
On fagging.
4. Ship Power Equipment noise reduction system according to claim 3, which is characterized in that the main supporting plate is supported with secondary
Angle formed by plate is equipped with comer gusset panels.
5. Ship Power Equipment noise reduction system according to claim 1, it is characterised in that：The surrounding of the blimp is also set
There is supporting rod.
6. Ship Power Equipment noise reduction system according to claim 1, it is characterised in that：The blimp is equipped with maintenance
Hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711364333.2A CN108100204A (en) | 2017-12-18 | 2017-12-18 | Ship Power Equipment noise reduction system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711364333.2A CN108100204A (en) | 2017-12-18 | 2017-12-18 | Ship Power Equipment noise reduction system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108100204A true CN108100204A (en) | 2018-06-01 |
Family
ID=62209678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711364333.2A Pending CN108100204A (en) | 2017-12-18 | 2017-12-18 | Ship Power Equipment noise reduction system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108100204A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730641A (en) * | 2020-07-01 | 2020-10-02 | 珠海格力智能装备有限公司 | Method and device for determining noise source, processor and electronic device |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587670A (en) * | 2013-11-18 | 2014-02-19 | 江苏省镇江船厂（集团）有限公司 | Method for installing for elastic anti-vibration pad of main engine |
| CN203996860U (en) * | 2014-06-26 | 2014-12-10 | 江苏省镇江船厂（集团）有限公司 | Marine main engine support based on quietness technology and elastic shock attenuation |
| CN104776142A (en) * | 2015-04-09 | 2015-07-15 | 江苏高精机电装备有限公司 | Tower type floating raft arrangement |
| CN205327385U (en) * | 2015-12-30 | 2016-06-22 | 英辉南方造船（广州番禺）有限公司 | Device of making an uproar falls in ship engine |
| EP3106379A1 (en) * | 2015-06-19 | 2016-12-21 | Siemens Aktiengesellschaft | Ship propulsion with sound decoupling |
-
2017
- 2017-12-18 CN CN201711364333.2A patent/CN108100204A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103587670A (en) * | 2013-11-18 | 2014-02-19 | 江苏省镇江船厂（集团）有限公司 | Method for installing for elastic anti-vibration pad of main engine |
| CN203996860U (en) * | 2014-06-26 | 2014-12-10 | 江苏省镇江船厂（集团）有限公司 | Marine main engine support based on quietness technology and elastic shock attenuation |
| CN104776142A (en) * | 2015-04-09 | 2015-07-15 | 江苏高精机电装备有限公司 | Tower type floating raft arrangement |
| EP3106379A1 (en) * | 2015-06-19 | 2016-12-21 | Siemens Aktiengesellschaft | Ship propulsion with sound decoupling |
| CN205327385U (en) * | 2015-12-30 | 2016-06-22 | 英辉南方造船（广州番禺）有限公司 | Device of making an uproar falls in ship engine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111730641A (en) * | 2020-07-01 | 2020-10-02 | 珠海格力智能装备有限公司 | Method and device for determining noise source, processor and electronic device |
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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 | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20180928 Address after: 226100 7, 93 Jiefang Middle Road, Haimen, Nantong, Jiangsu Applicant after: Nantong Ke Hai Gong Technology Research Institute Co., Ltd. Address before: 225500 No. 56, Ma Zhuang fifteen group, Ma Zhuang village, Yuxi Town, Jiangyan District, Taizhou, Jiangsu Applicant before: Xiong Yingfen |
|
| TA01 | Transfer of patent application right | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180601 |
|
| RJ01 | Rejection of invention patent application after publication |