CN104071325B - Marine main engine support based on quietness technology and elastic shock attenuation - Google Patents
Marine main engine support based on quietness technology and elastic shock attenuation Download PDFInfo
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- CN104071325B CN104071325B CN201410289796.7A CN201410289796A CN104071325B CN 104071325 B CN104071325 B CN 104071325B CN 201410289796 A CN201410289796 A CN 201410289796A CN 104071325 B CN104071325 B CN 104071325B
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Abstract
The invention discloses a kind of marine main engine support based on quietness technology and elastic shock attenuation, including two groups of upper strata anti-tripping bracket assemblies, the multiple elastic shock attenuation support members being disposed between two groups of upper strata anti-tripping bracket assemblies and lower layer support bracket assembly and lower layer support bracket assembly.Upper strata anti-tripping bracket assembly includes bar shaped panel, polylith upper strata anti-tripping bracket, supports angle steel and upper vertical plate, and lower layer support bracket assembly includes two H-shaped materials, polylith lower layer support bracket, the outer horizontal bar plate of polylith and polylith outer vertical plate.Present configuration is compact, easily manufactured, adopts modularized design, applied widely, and the vibrations produced during marine main engine work pass down to support angle steel, upper strata anti-tripping bracket by bar shaped panel, eliminate major part vibrations finally by elastic shock attenuation support member.It is effectively reduced the vibrations of lower layer support bracket, reaches the purpose of noise reduction.After tested, the present invention can reduce by the vibrations of 30%, and damping effect is notable.
Description
Technical field
The present invention relates to a kind of marine main engine support, particularly to a kind of marine main engine support that can reduce marine main engine operation vibration and noise transmission, belong to shipbuilding technical field.
Background technology
At present, the reciprocal vibrations that marine main engine work produces when running are transmitted to hull by support, it is the principal element causing Ship body vibrations and noise transmission, works under vibration for a long time and easily cause vasospasm to react, and with obstacle neural, musculature；Long Term Contact industrial noise also can cause tinnitus, otalgia, dizziness, agitation, insomnia, hypomnesis etc., and noise-induced deafness occur in Dosimeter, severe patient, and crewman's health is caused serious harm.Marine main engine support is to reduce host work vibrations and reduce the key of noise, and good main frame support can eliminate the vibrations of most main frame and noise to the radiation of hull and periphery, and protection hull safety and crewman are healthy.
Existing marine main engine support has various structures form, such as panel-riser-T-shaped stiffeners, panel-riser-stiffeners, panel-riser-bracket-web structure etc..Above-mentioned main frame stand structure also exists problems with in noise reduction, damping: panel-riser-T-shaped stiffeners rigidity is enough, and damping effect is too poor；Panel-riser-bracket-web structure is succinct, but to damping and noise reduction almost without effect；Additionally, currently in order to damping noise reduction, adopt the floating upturned soil structure of overall bilayer, in addition, there is presently no and a kind of not only can reduce noise but also the marine main engine support of vibrations can be alleviated.
Summary of the invention
It is an object of the invention to provide a kind of novel ship main frame support integrating quietness technology and elastic shock attenuation.
The present invention is achieved by the following technical programs:
A kind of marine main engine support based on quietness technology and elastic shock attenuation, including two groups of symmetrically arranged upper strata anti-tripping bracket assemblies, multiple elastic shock attenuation support member and lower layer support bracket assembly, the plurality of elastic shock attenuation support member is disposed between two groups of upper strata anti-tripping bracket assemblies and lower layer support bracket assembly；Described upper strata anti-tripping bracket assembly includes bar shaped panel, polylith upper strata anti-tripping bracket, supports angle steel and upper vertical plate, described bar shaped panel inner underside is fixing with support angle steel upper vertical to be connected, polylith upper strata anti-tripping bracket is disposed in support angle steel, and is connected with supporting vertical the fixing of angle steel；Described upper vertical plate is tilting in the outer downside of bar shaped panel with support between the outside lower side of angle steel, and with the outer downside of bar shaped panel, the upper strata anti-tripping bracket of two pieces a group and support that the outside lower side of angle steel is fixing to be connected；Described lower layer support bracket assembly includes two H-shaped materials, polylith lower layer support bracket, the outer horizontal bar plate of polylith and polylith outer vertical plate, two H-shaped materials be arranged in parallel, polylith lower layer support bracket interval between two H-shaped materials is arranged, and fixes with two H-shaped material inner vertical respectively and is connected；The outer horizontal bar plate of polylith and polylith lower layer support bracket one_to_one corresponding, fix with H-shaped material outside vertical respectively and be connected；Outer vertical plate is inclined in outside the H-shaped material of correspondence respectively, and connection fixing with the outer horizontal bar plate of corresponding H-shaped material and two pieces a group.
The purpose of the present invention can also be realized further by techniques below measure.
The aforesaid marine main engine support based on quietness technology and elastic shock attenuation, wherein said elastic shock attenuation support member includes air bag and center bolt, described air bag includes upper plate, lower plate, support spring and airbag housing, described airbag housing upper and lower side is fixing with upper plate and lower plate respectively to be connected, center bolt passes perpendicularly through upper plate and lower plate, center bolt upper end is fixing with nut to be connected, and threadeding with on the upside of H-shaped material in center bolt lower end, is positioned at the support spring housing of airbag housing on center bolt.
The aforesaid marine main engine support based on quietness technology and elastic shock attenuation, wherein said upper strata anti-tripping bracket is corresponding with lower layer support bracket position.
The aforesaid marine main engine support based on quietness technology and elastic shock attenuation, wherein said H-shaped material is I-steel.
The aforesaid marine main engine support based on quietness technology and elastic shock attenuation, is provided with arcuate groove, is provided with outer vertical plate groove on the downside of described outer vertical plate on the downside of wherein said upper vertical plate.
Present configuration is compact, easily manufactured, adopts modularized design, it is possible to as required from the quantity of the size of Row sum-equal matrix boats and ships support and corresponding plate, highly versatile, applied widely.The vibrations produced during marine main engine work pass down to support angle steel, upper strata anti-tripping bracket by the bar shaped panel of upper strata anti-tripping bracket assembly, eliminate major part vibrations finally by elastic shock attenuation support member as damping key component.The vibrations produced between hull and marine main engine seat occur mainly with lower layer support bracket, and elastic shock attenuation support member is effectively reduced the vibrations of lower layer support bracket, reaches the purpose of noise reduction.After tested, the present invention can reduce the vibrations of 30% during marine main engine work, and damping effect is notable.
Advantages of the present invention and feature, by for illustration and explanation by the non-limitative illustration of preferred embodiment below, these embodiments, it is only used as example with reference to accompanying drawing and provides.
Accompanying drawing explanation
Fig. 1 is the structure diagram of the present invention；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the A-A sectional view of Fig. 1.
Detailed description of the invention
Below in conjunction with drawings and Examples, the invention will be further described.
Such as Fig. 1~Shown in Fig. 3, the present invention includes two groups of symmetrically arranged upper strata anti-tripping bracket assemblies 1, multiple elastic shock attenuation support member 2 and lower layer support bracket assembly 3, and multiple elastic shock attenuation support members 2 are arranged between two groups of upper strata anti-tripping bracket assemblies 1 and lower layer support bracket assembly 3 at equal intervals.Upper strata anti-tripping bracket assembly 1 includes bar shaped panel 11, polylith upper strata anti-tripping bracket 12, supports angle steel 13 and upper vertical plate 14, bar shaped panel 11 inner underside connects with supporting the weldering of angle steel 13 upper vertical, polylith upper strata anti-tripping bracket 12 is arranged in support angle steel 13 at equal intervals, and connects with supporting angle steel 13 vertical welding.Upper vertical plate 14 is tilting between the outer downside of bar shaped panel 11 and the outer downside of support angle steel 13, and with the outer downside of bar shaped panel 11, two pieces of one group of upper strata anti-tripping brackets 12 and support angle steel 13 outer downside weldering even.
Lower layer support bracket assembly 3 includes two H-shaped materials 31, polylith lower layer support bracket 32, the outer horizontal bar plate 33 of polylith and polylith outer vertical plate 34, two H-shaped materials 31 be arranged in parallel, polylith lower layer support bracket 32 between two H-shaped materials 31 is arranged at equal intervals, respectively with two H-shaped material 31 inner vertical welderings even.The outer horizontal bar plate 33 of polylith and polylith lower layer support bracket 32 one_to_one corresponding, respectively with the weldering of H-shaped material 31 outside vertical even.Outer vertical plate 34 is inclined in outside two H-shaped materials 31 of correspondence respectively, and connects with corresponding H-shaped material 31 and two pieces one group outer horizontal bar plate 33 weldering.H-shaped material 31 adopts I-steel to make.As shown in Figure 3, upper strata anti-tripping bracket 12 is corresponding with lower layer support bracket 32 position, the a large amount of vibrations produced when marine main engine is worked are delivered to lower layer support bracket assembly 3 through upper strata anti-tripping bracket assembly 1, multiple elastic shock attenuation support member 2 successively, reach the effect of a large amount of damping through multiple elastic shock attenuation support members 2.By the constraint of quiet key component-H-shaped material 31, the vibrations produced when well reducing marine main engine work, so that noise is preferably minimized.
Elastic shock attenuation support member 2 includes air bag 21 and center bolt 22, air bag 21 includes upper plate 211, lower plate 212, supports spring 213 and airbag housing 214, airbag housing 214 upper and lower side is fixed be connected with upper plate 211 and lower plate 212 respectively, center bolt 22 passes perpendicularly through upper plate 211 and lower plate 212, its upper end is fixing with nut 23 to be connected, threadeding with on the upside of H-shaped material 31 in its lower end, the support spring 213 being positioned at airbag housing 214 is enclosed within center bolt 22.Elastic shock attenuation support member 2 utilizes air bag 21 and supports the vibrations produced when the elastic deformation after spring 213 shakes pressurized can at utmost reduce marine main engine work.
It is provided with arcuate groove 141, it is simple to clamp nut 23 on the downside of the upper vertical plate 14 of upper strata anti-tripping bracket assembly 1；Outer vertical plate groove 341 it is provided with, it is simple to the present invention be fixed on watercraft engine room floor on the downside of outer vertical plate 34.
The present invention is except for the damping noise abatement of marine main engine, it may also be used for the damping noise abatement of land diesel generating set or other diesel engines.
In addition to the implementation, the present invention can also have other embodiments, all employings to be equal to replacement or the technical scheme of equivalent transformation formation, all falls within the protection domain of application claims.
Claims (5)
1. the marine main engine support based on quietness technology and elastic shock attenuation, it is characterized in that: including two groups of symmetrically arranged upper strata anti-tripping bracket assemblies, multiple elastic shock attenuation support member and lower layer support bracket assembly, the plurality of elastic shock attenuation support member is disposed between two groups of upper strata anti-tripping bracket assemblies and lower layer support bracket assembly；Described upper strata anti-tripping bracket assembly includes bar shaped panel, polylith upper strata anti-tripping bracket, supports angle steel and upper vertical plate, described bar shaped panel inner underside is fixing with support angle steel upper vertical to be connected, polylith upper strata anti-tripping bracket is disposed in support angle steel, and is connected with supporting vertical the fixing of angle steel；Described upper vertical plate is tilting in the outer downside of bar shaped panel with support between the outside lower side of angle steel, and with the outer downside of bar shaped panel, the upper strata anti-tripping bracket of two pieces a group and support that the outside lower side of angle steel is fixing to be connected；Described lower layer support bracket assembly includes two H-shaped materials, polylith lower layer support bracket, the outer horizontal bar plate of polylith and polylith outer vertical plate, two H-shaped materials be arranged in parallel, polylith lower layer support bracket interval between two H-shaped materials is arranged, and fixes with two H-shaped material inner vertical respectively and is connected；The outer horizontal bar plate of polylith and polylith lower layer support bracket one_to_one corresponding, fix with H-shaped material outside vertical respectively and be connected；Outer vertical plate is inclined in outside the H-shaped material of correspondence respectively, and connection fixing with the outer horizontal bar plate of corresponding H-shaped material and two pieces a group.
2. the marine main engine support based on quietness technology and elastic shock attenuation as claimed in claim 1, it is characterized in that: described elastic shock attenuation support member includes air bag and center bolt, described air bag includes upper plate, lower plate, support spring and airbag housing, described airbag housing upper and lower side is fixing with upper plate and lower plate respectively to be connected, center bolt passes perpendicularly through upper plate and lower plate, center bolt upper end is fixing with nut to be connected, threadeding with on the upside of I-steel in center bolt lower end, is positioned at the support spring housing of airbag housing on center bolt.
3. the marine main engine support based on quietness technology and elastic shock attenuation as claimed in claim 1, it is characterised in that: described upper strata anti-tripping bracket is corresponding with lower layer support bracket position.
4. the marine main engine support based on quietness technology and elastic shock attenuation as claimed in claim 1, it is characterised in that: described H-shaped material is I-steel.
5. the marine main engine support based on quietness technology and elastic shock attenuation as claimed in claim 1, it is characterised in that: it is provided with arcuate groove on the downside of described upper vertical plate, on the downside of described outer vertical plate, is provided with outer vertical plate groove.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410289796.7A CN104071325B (en) | 2014-06-26 | 2014-06-26 | Marine main engine support based on quietness technology and elastic shock attenuation |
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| CN201410289796.7A CN104071325B (en) | 2014-06-26 | 2014-06-26 | Marine main engine support based on quietness technology and elastic shock attenuation |
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| CN104071325A CN104071325A (en) | 2014-10-01 |
| CN104071325B true CN104071325B (en) | 2016-06-29 |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107416167B (en) * | 2017-07-13 | 2020-04-14 | 江苏科技大学 | Boats and ships host computer damping base |
| CN108343693A (en) * | 2018-01-03 | 2018-07-31 | 广东凯力船艇股份有限公司 | A kind of isolation mounting and its mounting process of propulsive mechanism |
| CN113772011B (en) * | 2021-10-27 | 2022-11-29 | 广州文冲船厂有限责任公司 | Shock absorber structure, mounting method thereof and ship |
| CN116008349B (en) * | 2023-03-17 | 2023-06-13 | 天津仁爱学院 | Diesel engine cylinder liner structure damage detection mechanism |
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| DE2318482A1 (en) * | 1973-04-10 | 1974-10-31 | Kraftwerk Union Ag | MECHANICAL VIBRATION DAMPER, PARTICULARLY FOR A PIPELINE OF A MARINE TURBINE PLANT |
| DE4138708A1 (en) * | 1991-11-26 | 1993-05-27 | Blohm Voss Ag | ARRANGEMENT FOR THE ELASTIC BEARING OF A COMBINED PRESSURE AND BEARING BEARING, IN PARTICULAR FOR A SHIP DRIVE SYSTEM |
| 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 |
| CN101376431A (en) * | 2008-09-27 | 2009-03-04 | 江南造船(集团)有限责任公司 | Method for mounting main unit with resilient support |
| 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 |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08285009A (en) * | 1995-04-17 | 1996-11-01 | Nippon Steel Corp | Base isolation device |
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2014
- 2014-06-26 CN CN201410289796.7A patent/CN104071325B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2318482A1 (en) * | 1973-04-10 | 1974-10-31 | Kraftwerk Union Ag | MECHANICAL VIBRATION DAMPER, PARTICULARLY FOR A PIPELINE OF A MARINE TURBINE PLANT |
| DE4138708A1 (en) * | 1991-11-26 | 1993-05-27 | Blohm Voss Ag | ARRANGEMENT FOR THE ELASTIC BEARING OF A COMBINED PRESSURE AND BEARING BEARING, IN PARTICULAR FOR A SHIP DRIVE SYSTEM |
| 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 |
| CN101376431A (en) * | 2008-09-27 | 2009-03-04 | 江南造船(集团)有限责任公司 | Method for mounting main unit with resilient support |
| 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 |
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