阅读说明：本技术 一种船用大载荷低频隔振装置及其安装方法 (A kind of big load low frequency vibration isolation device peculiar to vessel and its installation method ) 是由 李永胜 王纬波 张彤彤 于 2019-09-19 设计创作，主要内容包括：本发明涉及一种船用大载荷低频隔振装置及其安装方法,包括一端开口的缸体,贯穿缸壁安装支撑架,位于缸体内部的支撑架端部安装钢丝绳,钢丝绳以螺旋形的方式卷绕在支撑架与缸体内壁之间；缸体开口端的内部安装沿其滑动的活塞块,活塞块与缸体共同形成封闭的腔体,腔体内填充剪切增稠液；支撑架顶部的设备平台用于安装设备,支撑架底部的上板位于缸体内部并用于卷绕钢丝绳,设备平台与上板之间通过立柱相连,支撑架以立柱为导向相对于缸体上下移动；本发明综合应用了剪切增稠液的低频剪切耗能特性和钢丝绳的摩擦耗能特性及承受负荷能力,使得设备在低频振动频率范围内产生显著的隔振效果,尤其适用于船舶大载荷低转速设备的振动噪声控制。(The present invention relates to a kind of big load low frequency vibration isolation device peculiar to vessel and its installation methods, including cylinder body open at one end, support frame is installed through casing wall, wirerope is installed positioned at the support frame end of cylinder interior, wirerope is in a spiral fashion between support frame and inboard wall of cylinder block；The piston block slid along is installed in the inside of cylinder body open end, and piston block and cylinder body are collectively formed closed cavity, fill shear thickening liquid in cavity；Equipment platform at the top of support frame is located at cylinder interior and for Wound steel rope, be connected between equipment platform and upper plate by column for installing equipment, the upper plate of support frame bottom, and support frame is that guiding is moved up and down relative to cylinder body with column；Integrated application of the present invention the low frequency shear energy dissipation behavior of shear thickening liquid and the friction energy-dissipating characteristic of wirerope and bear load-bearing capacity, so that equipment generates significant vibration isolating effect in low-frequency vibration frequency range, it is particularly suitable for the Noise and Vibration Control of ship big load slow-speed of revolution equipment.)

1. a kind of big load low frequency vibration isolation device peculiar to vessel, it is characterised in that: including cylinder body (4) open at one end, run through cylinder body (4) Casing wall support frame (1) is installed, be located at cylinder body (4) internal support frame (1) end and wirerope (3), the steel wire be installed Rope (3) is in a spiral fashion between support frame (1) and cylinder body (4) inner wall；Pacify the inside of cylinder body (4) open end Equipped with the piston block (6) slid along, closed cavity is collectively formed in the piston block (6) and cylinder body (4), is filled out in the cavity Filled with shear thickening liquid (2).

2. a kind of big load low frequency vibration isolation device peculiar to vessel as described in claim 1, it is characterised in that: the knot of the cylinder body (4) Structure are as follows: the cylinder ontology (41) including hollow rectangular parallelepiped structure, the cylinder ontology (41) is open-ended and extends outwardly in open end Have cylindrical part (43), the piston block (6) is installed on the inside of cylindrical part (43)；Multiple pass through is provided at the top of the cylinder ontology (41) The leghole (44) of casing wall is worn, cylinder ontology (41) inner bottom surface has been extended inward lower plate (42), opened on the lower plate (42) Have it is uniformly distributed under connect hole (45), connect under described and be wound with wirerope (3) on hole (45).

3. a kind of big load low frequency vibration isolation device peculiar to vessel as claimed in claim 2, it is characterised in that: the cylindrical part (43) two End end extends internally and has raised (432), and both ends protrusion (432) forms both ends limit when piston block (6) sliding；Positioned at two Cylindrical part (43) inner wall between raised (432) is held to be equipped with the sliding slot (431) slided for piston block (6).

4. a kind of big load low frequency vibration isolation device peculiar to vessel as described in claim 1, it is characterised in that: support frame as described above (1) Structure are as follows: including being parallel to each other and spaced equipment platform (11) and upper plate (13), be provided on the equipment platform (11) For installing the bolt hole (15) of equipment；More root posts (12) are installed between the equipment platform (11) and upper plate (13), are stood Column (12) runs through the casing wall of cylinder body (4), and the upper plate (13) is located inside cylinder body (4), is provided on uniformly distributed and connects on upper plate (13) Hole (14), it is described on connect and be wound with wirerope (3) on hole (14).

5. a kind of big load low frequency vibration isolation device peculiar to vessel as claimed in claim 4, it is characterised in that: the column (12) is real Heart cylindrical structure is equipped with sealing element between column (12) and cylinder body (4)；Support frame as described above (1) is guiding phase with column (12) Cylinder body (4) are moved.

6. a kind of big load low frequency vibration isolation device peculiar to vessel as described in claim 1, it is characterised in that: cylinder body (4) outer wall On be also fixed with threaded rod (5), the cylinder body (4) is fixedly mounted with by threaded rod (5) with hull.

7. a kind of installation method of big load low frequency vibration isolation device peculiar to vessel described in claim 1, it is characterised in that: including as follows Step:

Step 1: the equipment platform (11) on support frame (1) is individually processed；

Step 2: the top of cylinder body (4) is individually processed, i.e., it is spacious to constitute top for the bottom of cylinder body (4), side wall and cylindrical part (43) It is separately machined respectively at the top of the cylinder ontology of mouth, the opening cylinder ontology and cylinder body (4)；

Step 3: upper plate (13) is placed in the open cylinder ontology in second step, rolled up between upper plate (13) and lower plate (42) It around wirerope (3), connects hole (45) so that wirerope (3) passes sequentially through down and above connects hole (14), wirerope (3) is wound twist Structure；

Step 4: installing piston block (6) at the cylindrical part (43) of open cylinder ontology；

Step 5: shear thickening liquid (2) are added in cylinder body (4), and upper plate (13) is totally submerged by shear thickening liquid (2)；

Step 6: by column (12) are passed through by leghole (44) at the top of cylinder body in second step (4), and by the top of cylinder body (4) with Sidewall weld is formed as one；

Step 7: installing sealing element between column (12) at the top of cylinder body (4), it is sealed processing；

Step 8: being welded equipment platform (11) on column (12) and being formed as one.

Technical field

The present invention relates to vibration control technology field, especially a kind of big load low frequency vibration isolation device peculiar to vessel and its installation side Method.

Background technique

Various mechanical devices, weaponry and electrical equipment etc. are installed on naval vessel, they generate mechanical oscillation with make an uproar Sound is transmitted to Ship Structure by support systems such as pedestals, and the radiation vibration harmony into water.For the naval vessel of high Stealth Fighter, The local vibration elimination of cabin part is particularly difficult, is control using the propagation that vibration isolation measure reduces vibration caused by mechanical equipment The effective means of structure vibration and structure borne noise transmitting processed is inserted into isolation mounting that is, between equipment and support to carry out mechanical oscillation Isolation.For this purpose, have developed various types of isolation mountings, such as single-layer partiting polarization device, double-layer vibration isolating device, and by bilayer every The Buoyant Raft Shock-resistant System and increasingly complex space cabins raft isolation mounting that vibrating device develops.

For separate unit mechanical equipment, it is inserted into one layer of vibration isolator usually between equipment and pedestal or buoyant raft structure, utilizes The elasticity of vibration isolator makes the dynamic ex-citing forces being transmitted on pedestal be less than equipment motivation power.Theoretical analysis shows that only when vibration isolation fills It sets intrinsic frequency and reaches dynamic power machine driving frequencyIt could vibration isolation when following.In the prior art, dynamic power machine excitation frequency Rate some is reduced to 5Hz, and in existing isolation mounting service performance preferably, using more vibration isolator, such as rubber shock absorber, The case where being designed to by shearing force, the driving frequency down to 10Hz or so can be isolated, but biggish load cannot be born；When When bearing load is larger, need to be made into pressure-bearing type, but resonant frequency is relatively high, is mainly used for isolating high-frequency vibration；Steel wire The intrinsic frequency of rope vibration isolator generally can be down to 7Hz or so, and the intrinsic frequency of air bag vibration isolator can be down to 5Hz or so.

With ship heavy mechanical equipment Noise and Vibration Control to more lower frequency region develop and buoyant raft, cabin raft vibrating isolation system The application of equal large ships vibrating isolation system proposes new demand to big load, low frequency vibration isolation device, and traditional isolation mounting needs Further improvement can just be met the requirements.Study on intellectual damping material such as ER fluid (ERF), magnetorheological fluid (MRF), shape note in recent years The appearance of alloy (SMA) and piezoelectric material (PZT) is recalled to improve the performance of traditional isolation mounting and providing possibility, is caused wide General concern.However, damping device or device that these intellectual materials are constituted, vibration control behavior are often depending on extraneous energy The input of amount.By taking ER fluid (ERF) damper as an example, the size of damping force depends on the size of impressed current, and single ERF damper provided by damping force and initial stiffness be difficult to meet heavy mechanical equipment low-frequency vibration noise control than relatively limited Demand processed.

Summary of the invention

The applicant provides a kind of structurally reasonable big load low frequency peculiar to vessel for the disadvantage in above-mentioned existing production technology Isolation mounting and its installation method, to substantially improve vibration isolation of the equipment in low-frequency vibration frequency range, effect is obvious.

The technical solution adopted in the present invention is as follows:

A kind of big load low frequency vibration isolation device peculiar to vessel is equipped with branch through the casing wall of cylinder body including cylinder body open at one end Support is equipped with wirerope positioned at the support frame end of cylinder interior, and the wirerope is in a spiral fashion wound on support Between frame and inboard wall of cylinder block；The inside of the cylinder body open end is equipped with the piston block slid along, the piston block and cylinder body Closed cavity is collectively formed, is filled with shear thickening liquid in the cavity.

As a further improvement of the above technical scheme:

The structure of the cylinder body are as follows: the cylinder ontology including hollow rectangular parallelepiped structure, the cylinder body end are open and are opening Mouth end is outward extended with cylindrical part, and the piston block is installed on the inside of cylindrical part；The cylinder bodies top is provided with multiple run through The leghole of casing wall, the cylinder ontology inner bottom surface have extended inward lower plate, be provided in the lower plate it is uniformly distributed under connect hole, it is described Under connect and be wound with wirerope on hole.

Cylindrical part both ends end extends internally and has protrusion, and both ends convex to form both ends limit when piston block sliding Position；Cylindrical part inner wall between the protrusion of both ends is equipped with the sliding slot slided for piston block.

The structure of support frame as described above are as follows: including being parallel to each other and spaced equipment platform and upper plate, the equipment are flat The bolt hole for installing equipment is provided on platform；More root posts are installed, column runs through cylinder between the equipment platform and upper plate The casing wall of body, the upper plate are located at cylinder interior, are provided on uniformly distributed on upper plate and connect hole, it is described on connect and be wound with steel wire on hole Rope.

The column is solid cylinder structure, and sealing element is equipped between column and cylinder body；Support frame as described above is with column Guiding is relative to movement of cylinder block.

Threaded rod is also fixed on the outer wall of cylinder block, the cylinder body is fixedly mounted with by threaded rod and hull.

A kind of installation method of the big load low frequency vibration isolation device peculiar to vessel, includes the following steps:

Step 1: the equipment platform on support frame is individually processed；

Step 2: the top of cylinder body is individually processed, i.e. the bottom of cylinder body, side wall and the cylindrical part cylinder that constitutes open top Ontology, the opening cylinder ontology and difference at the top of cylinder body are separately machined；

Step 3: upper plate is placed in the open cylinder ontology in second step, the Wound steel rope between upper plate and lower plate, It connects hole so that wirerope passes sequentially through down and above connects hole, wire rope roll is around twist structure；

Step 4: installing piston block at the cylindrical part of open cylinder ontology；

Step 5: shear thickening liquid is added in cylinder body, and upper plate is totally submerged by shear thickening liquid；

Step 6: column will pass through by leghole at the top of cylinder body in second step, and by the top of cylinder body with sidewall weld shape It is integrally formed；

Step 7: installing sealing element between column at the top of cylinder body, it is sealed processing；

Step 8: being welded equipment platform on column and being formed as one.

Beneficial effects of the present invention are as follows:

Structure of the invention is compact, reasonable, easy to operate, passes through the group of " wirerope+shear thickening liquid (STF)+piston block " Close vibration insulation structure form, integrated application construction of wire rope bearing function and friction energy-dissipating characteristic and the low frequency shear consumption of STF Energy characteristic, gives full play to the effect of wirerope and shear thickening liquid, realizes and is mainly consumed energy by wirerope carrying, shear thickening liquid The design of the integrated low frequency vibration isolation device of vibration damping, improves the low frequency vibration isolation performance of traditional isolation mounting；Isolation mounting generates When dynamic displacement, first is that the stock and stock of wirerope, between silk and silk generating frictional damping；Second is that the intracorporal STF of cylinder vibration compared with Hour is in a liquid state, and can generate flow damping when moving in cylinder body；Third is that isolation mounting under higher magnitude Vibration Condition, is compeled Make STF generate shear thickening behavior, after STF is transformed into solid or class solid by liquid, with wirerope, upper plate lower plate, column with And the components that inboard wall of cylinder block etc. is in contact generate friction to provide other high damping force；Fourth is that the intracorporal STF of cylinder with The dynamic deformation of wirerope pushes piston block to move reciprocatingly, vibrational energy is further consumed, to make to be set by the machinery of vibration isolation It is standby that significant vibration isolating effect is generated in low-frequency vibration frequency range, it is particularly suitable for the vibration of ship big load, slow-speed of revolution equipment Moving noise control.

The invention also includes following advantages:

Equipment platform is equipped with multiple bolts hole, for the installation of device for vibration insutation, in order to which equipment passes through bolt easily It is installed on support frame；

Isolation mounting bottom is provided with multiple threaded rods, in order in device integral installation to hull；

Column is solid cylinder, plays the role of connecting equipment platform and upper plate, in the intracorporal length of cylinder and wirerope The rebound displacement of upward stroke and wirerope is closely bound up；

Cylinder body be hollow rectangular parallelepiped structure, inside in addition to wirerope and corresponding mounting assembly, be filled with shear thickening liquid； Biggish filling space is more advantageous to the more preferable performance of shear thickening liquid effect；

Piston block is cylindrical structure, by moving back and forth dissipation vibrational energy；When vibration equipment displacement is downward, pressure Contracting shear thickening liquid pushes piston block to chamber extracorporeal movement；When vibration equipment displacement is upward, shear thickening liquid is returned into cavity Stream drives piston block to move to cavity direction；Equally, when equipment generates vibration displacement longitudinally forward, compression shear thickening fluid Push piston block to chamber extracorporeal movement；When equipment generates vibration displacement longitudinally rearward, shear thickening liquid flows back into cavity, band Piston block is moved to cavity direction；In reciprocatory movement, constantly friction generates heat for piston block and cavity wall, dissipation vibrational energy Amount.

Detailed description of the invention

Fig. 1 is the structural diagram of the present invention.

Fig. 2 is the side view (full sectional view) of Fig. 1.

Fig. 3 is the full sectional view of cylinder body of the present invention.

Fig. 4 is the partial enlarged view in the portion A in Fig. 3.

Fig. 5 is the top view of Fig. 3.

Fig. 6 is the structural schematic diagram of support frame of the present invention.

Fig. 7 is the top view of Fig. 6.

Wherein: 1, support frame；2, shear thickening liquid；3, wirerope；4, cylinder body；5, threaded rod；6, piston block；11, equipment Platform；12, column；13, upper plate；14, hole is connect on；15, bolt hole；41, cylinder ontology；42, lower plate；43, cylindrical part；44, column Hole；45, hole is connect under；431, sliding slot；432, raised.

Specific embodiment

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

As depicted in figs. 1 and 2, a kind of big load low frequency vibration isolation device peculiar to vessel of the present embodiment, including cylinder open at one end Body 4 is equipped with support frame 1 through the casing wall of cylinder body 4, and 1 end of support frame inside cylinder body 4 is equipped with wirerope 3, steel wire Rope 3 is in a spiral fashion between 4 inner wall of support frame 1 and cylinder body；The inside of 4 open end of cylinder body, which is equipped with, to be slid along Piston block 6, piston block 6 and cylinder body 4 are collectively formed closed cavity, are filled with shear thickening liquid 2 in cavity.

Pass through the combined isolated structure form of " wirerope+shear thickening liquid (STF)+piston block ", integrated application wirerope 3 Structural bearing function and friction energy-dissipating characteristic and STF low frequency shear energy dissipation behavior, give full play to wirerope 3 and shearing The effect of thickening fluid 2 realizes mainly by the carrying of wirerope 3, the integrated low frequency vibration isolation device of 2 passive energy dissipation of shear thickening liquid Design, improve the low frequency vibration isolation performance of traditional isolation mounting；When isolation mounting generates dynamic displacement, first is that wirerope 3 Frictional damping is generated between stock and stock, silk and silk；Second is that the STF in cylinder body 4 is in a liquid state when vibrating smaller, in cylinder body 4 Flow damping can be generated when movement；Third is that isolation mounting under higher magnitude Vibration Condition, forces STF to generate shear thickening row For after STF is transformed into solid or class solid by liquid, with wirerope 3,13 lower plate 42 of upper plate, 4 inner wall of column 12 and cylinder body etc. The components being in contact generate friction to provide other high damping force；Fourth is that STF the moving with wirerope 3 in cylinder body 4 State deformation, pushes piston block 6 to move reciprocatingly, further consumes vibrational energy.

Piston block 6 is cylindrical structure, by moving back and forth dissipation vibrational energy；When vibration equipment displacement is downward, Compression shear thickening fluid 2 pushes piston block 6 to chamber extracorporeal movement；When vibration equipment displacement is upward, shear thickening liquid 2 is to cavity Interior reflux drives piston block 6 to move to cavity direction；Equally, when equipment generates vibration displacement longitudinally forward, compression shear increases Magma 2 pushes piston block 6 to chamber extracorporeal movement；When equipment generates vibration displacement longitudinally rearward, shear thickening liquid 2 is into cavity Reflux drives piston block 6 to move to cavity direction；In reciprocatory movement, constantly friction generates heat for piston block 6 and cavity wall, Dissipation vibrational energy.

As shown in Figure 3 and Figure 5, the structure of cylinder body 4 are as follows: the cylinder ontology 41 including hollow rectangular parallelepiped structure, 41 end of cylinder ontology Portion is open and is outward extended with cylindrical part 43 in open end, and piston block 6 is installed on the inside of cylindrical part 43；It is opened at the top of cylinder ontology 41 There are multiple legholes 44 through casing wall, 41 inner bottom surface of cylinder ontology has extended inward lower plate 42, has been provided in lower plate 42 uniformly distributed Under connect hole 45, under connect and be wound with wirerope 3 on hole 45；Shearing is filled in addition to wirerope 3 and corresponding mounting assembly inside cylinder body 4 Thickening fluid 2, biggish filling space are more advantageous to the more preferable performance of the effect of shear thickening liquid 2.

As shown in figure 4,43 both ends end of cylindrical part, which extends internally, protrusion 432, both ends protrusion 432 forms piston block 6 Both ends limit when sliding；43 inner wall of cylindrical part between both ends protrusion 432 is equipped with the sliding slot 431 slided for piston block 6.

As shown in Figure 6 and Figure 7, the structure of support frame 1 are as follows: including being parallel to each other and spaced equipment platform 11 and upper Plate 13 is provided with the bolt hole 15 for installing equipment on equipment platform 11；More are equipped between equipment platform 11 and upper plate 13 Column 12, column 12 run through the casing wall of cylinder body 4, and column 12 plays the role of connecting equipment platform 11 and upper plate 13, in cylinder body 4 The rebound displacement of the interior length stroke upward with wirerope 3 and wirerope 3 is closely bound up；Upper plate 13 is located in cylinder body 4 Portion is provided on upper plate 13 on uniformly distributed and connects hole 14, above connects and be wound with wirerope 3 on hole 14.

Column 12 is solid cylinder structure, sealing element is equipped between column 12 and cylinder body 4, sealing element prevents shear thickening Liquid 2 leaks；Support frame 1 is that guiding is moved relative to cylinder body 4 with column 12.

Threaded rod 5 is also fixed on 4 outer wall of cylinder body, cylinder body 4 is fixedly mounted with by threaded rod 5 with hull, and threaded rod 5 is convenient for vibration isolation In device integral installation to hull.

Shear thickening liquid (abbreviation STF), English name Shear Thickening Fluid, be a kind of advanced variable damping, The New Intelligent Material of variation rigidity, energy-absorbing.This new material is generally stirred by the dispersed phase of Nano grade and decentralized medium It is even to form.Under normal conditions, the material is sufficiently flexible, once encountering the vibration of the collision of high speed, amplitude, material becomes very hard Firmly to consume impact vibration energy, strong non-linear rigidity and damping characteristic are showed；After external force disappears, material meeting again It is returned to its initial soft condition；It is a kind of passive, adaptive passive vibration damping intelligent new material, has nonlinearity Mechanical property, and it is not necessarily to external electrical field or magnetic field.

For marine mechanical equipment, vibration equipment energy is concentrated mainly on low-frequency range.When vibration equipment energy is larger, STF is squeezed, and compels to bring it about shear thickening behavior and generate biggish damping force, thus the energy that absorption equipment vibration generates Amount.Meanwhile frictional damping dissipation energy can be generated in vibration equipment between each stock and each silk of wirerope, and due to STF Addition and its shear thickening, frictional force can be also generated between wirerope and STF to improving its damping capacity.

A kind of installation method of big load low frequency vibration isolation device peculiar to vessel of the present embodiment, includes the following steps:

Step 1: the equipment platform 11 on support frame 1 is individually processed；

Step 2: the top of cylinder body 4 is individually processed, i.e., the bottom of cylinder body 4, side wall and cylindrical part 43 constitute open top Cylinder ontology, the opening cylinder ontology with it is separately machined respectively at the top of cylinder body 4；

Step 3: upper plate 13 is placed in the open cylinder ontology in second step, wound between upper plate 13 and lower plate 42 Wirerope 3 connects hole 45 and above connects hole 14 so that wirerope 3 passes sequentially through down, and wirerope 3 winds twist structure；

Step 4: installing piston block 6 at the cylindrical part 43 of open cylinder ontology；

Step 5: shear thickening liquid 2 is added in cylinder body 4, and upper plate 13 is totally submerged by shear thickening liquid 2；Shearing increases Distance of the magma 2 apart from open face is not less than the maximum deformation quantity of wirerope 3；

Step 6: column 12 will pass through by leghole 44 at the top of cylinder body 4 in second step, and by the top of cylinder body 4 and side wall Welding is formed as one；

Step 7: installing sealing element between 4 top of cylinder body and column 12, it is sealed processing；

Step 8: being welded equipment platform 11 on column 12 and being formed as one.

Ingenious in design, integrated application construction of wire rope bearing function and friction energy-dissipating characteristic, shear thickening liquid of the invention Under Large Amplitude Vibration shear energy dissipation characteristic and piston block and cavity between reciprocating friction energy consumption advantage, increase vibration isolation Device consumes energy in the vibrational energy of low-frequency range, realizes low frequency vibration isolation.

Above description is explanation of the invention, is not intended to limit the invention, and limited range of the present invention is referring to right It is required that within protection scope of the present invention, any type of modification can be made.