CN206359839U - Damping-constraining noise reducing plate - Google Patents
Damping-constraining noise reducing plate Download PDFInfo
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- CN206359839U CN206359839U CN201621425650.1U CN201621425650U CN206359839U CN 206359839 U CN206359839 U CN 206359839U CN 201621425650 U CN201621425650 U CN 201621425650U CN 206359839 U CN206359839 U CN 206359839U
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Abstract
The utility model belongs to vibration and noise reducing field, and in particular to can increase structure itself damping for one kind, realize the damping-constraining device of good vibration and noise reducing function.A kind of damping-constraining noise reducing plate, including connecting plate and restraining plate, connecting plate setting connecting plate split corresponding with the mosaic difference of restraining plate is convex stupefied and restraining plate split is convex stupefied, connecting plate split is convex stupefied convex with restraining plate split at least one stupefied to set detent being fitted to each other on side, connecting plate split it is convex it is stupefied with restraining plate split it is convex it is stupefied between be additionally provided with the elastomeric isolation bar that elastomeric material is made, the elastomeric isolation bar is locally embedded in detent, connecting plate is spelled button by elastomeric isolation bar with restraining plate and is connected, the elastomeric isolation bar and damping layer make connecting plate keep elastomeric isolation with restraining plate.The utility model damping-constraining noise reducing plate, simple in construction, easy to use, it can preferably obstruct itself vibration transmission, so as to realize more preferably effect of vibration and noise reduction.
Description
Technical field
The utility model belongs to vibration and noise reducing field, and in particular to can increase structure itself damping for one kind, realize good
The damping-constraining device of good vibration and noise reducing function.
Background technology
With developing rapidly for economic construction and Transportation Infrastructure Construction, subway, elevated railway, common railway and high speed
The rail transport such as railway mode has the advantages that carrying capacity is big, convenient and swift, safe and reliable sent out in shipping and passenger traffic field because of it
Wave the effect become more and more important.The noise pollution during rail transport how is reduced, mitigates the vibration of rail in transportation
With abrasion so as to advancing the track life-span, the security and comfortableness of raising rail transport, as close with people's production and living
Cut close a problem and it is more and more of interest by national governments and scientific worker.During rail transport, wheel-rail noise
It is main sound source of the train when below 250km/h speed is travelled, rail vibration is the main cause for producing noise, and transport vehicle
From great, load-carrying is big, the high vibration for more exacerbating track of speed, so the track and abrasion and the relevant issues of wheel that trigger
Also it is extremely serious.The corrugated abrasion of such as top surface of rail, and on the wheel edge of wheel curved section and wheel lateral wearing, all to rail
Potential safety hazard has been buried in road transport, is frequently safeguarded the cost for being more the increase in transport.Currently used vibration and noise reducing is arranged
Shi Zhong, sets acoustic screen due to being limited by azimuth-range, sound insulation and effectiveness in vibration suppression are poor.To alleviate the vibration of rail
And noise, there is researcher to develop some constrained damping structures, be disposed on the inactive face of rail, absorb rail
Vibration mechanical energy and being converted dissipate, so as to realize the purpose for weakening rail noise radiation energy.Current engineer applied
Constrained damping structure in effect than middle promulgated by the State Council more prominent, using most often Patent No. ZL200610048318.2
The constrained damping structure in damper rail disclosed in bright patent, it is included on connecting plate and restraining plate, connecting plate and restraining plate
Set the convex-concave structure on convex-concave structure, connecting plate and restraining plate staggeredly to coordinate each other respectively, form the gentle resistance for prolonging complications
Damping material is provided with Buddhist nun's chamber, damping chamber, final labyrinth type constrained damping structure is constituted, its typical structure is as shown in Figure 1.
Effective working face of shearing force is born due to being provided with damping body in the damping chamber of maze-type structure, damping chamber in the structure
Product is greatly increased, and overcomes traditional rail constrained damping structure due to using flat sheet, damping layer is by steel rail web size
Limitation, effective work area of damping layer is limited, therefore can not reach the defect of preferable effect of vibration and noise reduction.But, in reality
Found in the application of border, in the labyrinth type constrained damping structure of current damper rail, connecting plate uses metal material with restraining plate
It is made, as shown in fig. 1, A and B at the interconnection at two ends are directly sealed connecting plate 31 using buckle structure with restraining plate 32
Connection is closed, to prevent that the material of damping layer 33 from leaking and meeting in process of production assembling and the accurate spacing technique of damping layer will
Ask.But found after a large amount of engineering practices, operationally, the partial vibration of rail directly can pass through rigid buckle structure
Restraining plate is reached and then to outside radiated noise, so as to weaken the actual effect of vibration and noise reduction of product.In addition, in ship deck
When being used for vibration and noise reducing using such constrained damping structure with the application places such as power-equipment housing there is also it is same the problem of.
In summary, market can preferably obstruct itself vibration transmission in the urgent need to providing one kind, so as to realize more preferably
The constrained damping structure of effect of vibration and noise reduction.
The content of the invention
The purpose of this utility model be to solve the above problems there is provided one kind can preferably obstruct itself vibration transmission,
Further lift the damping-constraining noise reducing plate of effect of vibration and noise reduction.
The utility model damping-constraining noise reducing plate is achieved in that including connecting plate and restraining plate, connecting plate and constraint
Convex-concave structure is set respectively on plate, and the convex-concave structure is specially that spaced convex row is stupefied on connecting plate or restraining plate, is connected
The interlaced cooperation of convex-concave structure on fishplate bar and restraining plate, which is constituted, sets damping material composition resistance in damping chamber, damping chamber
Buddhist nun's layer, it is characterised in that connecting plate is corresponding with the mosaic difference of restraining plate to set connecting plate split convex stupefied and restraining plate split
It is convex stupefied, connecting plate split it is convex it is stupefied with restraining plate split it is convex it is at least one stupefied detent is set being fitted to each other on side, connect
Plate split it is convex it is stupefied with restraining plate split it is convex it is stupefied between be additionally provided with the elastomeric isolation bar that elastomeric material is made, the elastomeric isolation bar office
Portion is embedded in detent, and connecting plate is spelled button by elastomeric isolation bar with restraining plate and is connected, the elastomeric isolation bar and damping
Layer makes connecting plate keep elastomeric isolation with restraining plate.
According to actual needs, it is also provided with making connecting plate with restraining plate in connecting plate split between connecting plate and restraining plate
The convex stupefied protrusion direction of convex stupefied or restraining plate split keeps the elastomeric isolation bar of elastomeric isolation, and the elastomeric isolation bar is arranged on connection
Between the convex stupefied front end of plate and restraining plate, or it is arranged between the convex stupefied front end of restraining plate and connecting plate.For convenience of right
The progress of elastomeric isolation bar is spacing, can also be convex stupefied in the convex stupefied front end setting detent of connecting plate, or/and restraining plate
Front end sets detent, and elastomeric isolation bar is locally embedded in detent.In addition, the reliability in order to ensure connection, excellent
Choosing, the connecting plate split of the mosaic of connecting plate and restraining plate is convex stupefied to be respectively positioned on the convex stupefied outside of restraining plate split, Huo Zhelian
The restraining plate split of the mosaic of fishplate bar and restraining plate is convex stupefied to be respectively positioned on the convex stupefied outside of connecting plate split.
In addition, in order to improve effect of vibration and noise reduction, counterweight mounting interface can also be set on restraining plate, counterweight by with
Interface is re-mounted to be fixedly installed on restraining plate.The concrete form of the counterweight mounting interface is varied, and it includes restraining plate
The mounting groove of upper setting installs chamber etc., and the counterweight is arranged in mounting groove or installation cavity room.The counterweight it is specific
Form equally can be with varied, including steel plate, rod iron, sandstone, slag, metallic particles or concrete etc..In view of practicality
And price factor, when using steel plate or rod iron as counterweight, it is possible to use polylith sheet metal or the combination of many thin rod iron are one
Rise and use, when steel plate or multiple rod iron setting, can be linked together by cement or bonded adhesives, to improve globality.Separately
Outside, in order to further improve effect of vibration and noise reduction, the counterweight, restraining plate and damping layer can also constitute tuning quality vibration damping dress
Put, the intrinsic frequency correspondence of tuning quality vibration absorber is set using the predominant oscillatory frequencies of object；Or, counterweight is tuning matter
Vibration absorber is measured, the intrinsic frequency correspondence of tuning quality vibration absorber is set using the predominant oscillatory frequencies of object.
In the utility model, the elastomeric material that the elastomeric isolation bar can be used includes rubber, elastic polyurethane and bullet
Property PVC etc..
The utility model damping-constraining noise reducing plate between connecting plate and restraining plate by setting the bullet that is made of elastomeric material
Sexual isolation bar, particularly connecting plate and restraining plate mosaic set elastomeric isolation bar, on the one hand, make rigid connecting plate and
All the time do not occur directly contact between restraining plate, the vibration of application structure, which is reached, to be needed after connecting plate by elastomeric isolation bar or resistance
The barrier of Buddhist nun's layer can just be transferred to restraining plate, can because elastomeric isolation bar and damping layer material are respectively provided with good damping characteristic
Effectively to obstruct vibration transmission, the vibration of application structure will not be transferred directly to restraining plate and then to external radiation through connecting plate
Noise；On the other hand, the mosaic of connecting plate and restraining plate is set after elastomeric isolation bar, connecting plate, restraining plate and damping layer structure
Into pure constrained damping structure, overcome connecting plate in traditional constraints damping structure and be joined directly together with restraining plate in mosaic
Caused local vibration-damping function loss, improves effective work area of actual participation oscillation damping and energy dissipating；3rd, restraining plate no longer by
The limitation of rigid buckle structure, the Relative Vibration displacement between restraining plate and connecting plate is bigger, consumes energy more, damping capacity is significantly
Lifting, for these reasons, the integral vibration damping noise reduction of the utility model damping-constraining noise reducing plate is outstanding, many experiments
Show, it is even more many that its vibration and noise reducing performance can lift 30%.Make in addition, elastomeric isolation bar is also used as distance pieces simultaneously
With accurate spacing between connecting plate and restraining plate being ensure that in production, so as to ensure the optimum geometry of damping layer.
In addition, the meaning that the utility model damping-constraining noise reducing plate sets up counterweight on restraining plate is：(1) rigidity effect of counterweight is bright
Aobvious, it can significantly improve the rigidity of restraining plate, be conducive to being lifted relative deformation and shearing between restraining plate and connecting plate and consume
Energy ability, the counterweight that the material such as steel plate, rod iron or concrete is constituted can realize this technique effect；(2) counterweight
Substantially, the total quality after restraining plate increase counterweight is greatly improved tuning effect, because damping layer material has good elasticity,
Mass of vibration in the tuning quality system constituted after restraining plate increase counterweight with damping layer is bigger, thus damping capacity more goes out
Color, noise reduction is also more preferable, for example, the material such as steel plate, rod iron, sandstone, slag, metallic particles or concrete constitute match somebody with somebody
Weight can realize this technique effect.Directly counterweight, its vibration damping frequency can certainly be used as by the use of tuning quality vibration absorber
With wider, it is easy to while control multiple vibration frequencies, improve effect of vibration and noise reduction.
The utility model damping-constraining noise reducing plate, simple in construction, easy to use, it can preferably obstruct itself vibration and pass
Pass, so as to realize more preferably effect of vibration and noise reduction, with vibration and noise reducing dependable performance, the advantages of cost performance is more superior can be extensive
Applied in the fields such as industrial equipment, ship equipment and track traffic.
Brief description of the drawings
Fig. 1 is the structural representation of existing rail damping-constraining noise reducing plate.
Fig. 2 is one of structural representation of the utility model damping-constraining noise reducing plate and its application schematic diagram.
Fig. 3 is one of structural representation of connecting plate in damping-constraining noise reducing plate shown in Fig. 2.
Fig. 4 is the two of the structural representation of connecting plate in damping-constraining noise reducing plate shown in Fig. 2.
Fig. 5 is two and its application schematic diagram of the structural representation of the utility model damping-constraining noise reducing plate.
Fig. 6 is three and its application schematic diagram of the structural representation of the utility model damping-constraining noise reducing plate.
Fig. 7 is four and its application schematic diagram of the structural representation of the utility model damping-constraining noise reducing plate.
Fig. 8 is five and its application schematic diagram of the structural representation of the utility model damping-constraining noise reducing plate.
Fig. 9 is six and its application schematic diagram of the structural representation of the utility model damping-constraining noise reducing plate.
Embodiment
Embodiment one
The utility model damping-constraining noise reducing plate, including connecting plate 1 and restraining plate 2 as shown in Figures 2 and 3, the He of connecting plate 1
2 set convex-concave structure respectively on restraining plate, and the convex-concave structure is specially spaced stupefied 10 peace treaty of convex row on connecting plate 1
The interlaced cooperation of convex-concave structure on beam plate 2 on spaced convex row stupefied 11, connecting plate 1 and restraining plate 2 constitutes damping
Damping material is set to constitute damping layer 3 in chamber, damping chamber, connecting plate 1 is corresponding with the mosaic difference of restraining plate 2 to be set
Connecting plate split is convex stupefied and restraining plate split is convex stupefied, including the connecting plate split convex stupefied 13 and 15 that the both sides of connecting plate 1 are set, correspondence
, the both sides of restraining plate 2 set restraining plate split convex stupefied 12 and 14, wherein, restraining plate split convex stupefied 12 and 14 is spelled with connecting plate
Close and detent is set on the convex stupefied side that is fitted to each other, between connecting plate split convex stupefied 13 and restraining plate split convex stupefied 12 and even
The elastomeric isolation bar 4 that elastomeric material is made is further respectively had between fishplate bar split convex stupefied 15 and restraining plate split convex stupefied 14, it is described
Elastomeric isolation bar 4 is local to be embedded in detent, and connecting plate 1 is spelled button by elastomeric isolation bar 4 with restraining plate 2 and is connected, described
Elastomeric isolation bar 4 and damping layer 3 make connecting plate 1 keep elastomeric isolation with restraining plate 2.
Illustrated below by taking application of the utility model damping-constraining noise reducing plate on steel rail web surface as an example, such as Fig. 1
Shown, the shape of connecting plate 1 is corresponding with web of the rail surface configuration, using when, by the utility model damping-constraining noise reducing plate paste
It is fixed on the web of the rail both sides inactive face of rail 5.
The utility model damping-constraining noise reducing plate between connecting plate and restraining plate by setting the bullet that is made of elastomeric material
Sexual isolation bar, particularly connecting plate and restraining plate mosaic set elastomeric isolation bar, on the one hand, make rigid connecting plate and
All the time do not occur directly contact between restraining plate, the vibration of application structure, which is reached, to be needed after connecting plate by elastomeric isolation bar or resistance
The barrier of Buddhist nun's layer can just be transferred to restraining plate, can because elastomeric isolation bar and damping layer material are respectively provided with good damping characteristic
Effectively to obstruct vibration transmission, the vibration of application structure will not be transferred directly to restraining plate and then to external radiation through connecting plate
Noise；On the other hand, the mosaic of connecting plate and restraining plate is set after elastomeric isolation bar, connecting plate, restraining plate and damping layer structure
Into pure constrained damping structure, overcome connecting plate in traditional constraints damping structure and be joined directly together with restraining plate in mosaic
Caused local vibration-damping function loss, improves effective work area of actual participation oscillation damping and energy dissipating；3rd, restraining plate no longer by
The limitation of rigid buckle structure, the Relative Vibration displacement between restraining plate and connecting plate is bigger, consumes energy more, damping capacity is significantly
Lifting, for these reasons, the integral vibration damping noise reduction of the utility model damping-constraining noise reducing plate is outstanding, many experiments
Show, it is even more many that its vibration and noise reducing performance can lift 30%.In addition, elastomeric isolation bar 4 is also used as distance pieces simultaneously
Use, the accurate spacing between connecting plate and restraining plate is ensure that in production, so as to ensure the optimal dimensioning of damping layer
It is very little.
Certainly, the technical principle based on this example, the utility model damping-constraining noise reducing plate can be arranged on any of rail
On inactive face, such as in addition to web of the rail surface, the in-orbit wing or the flange of rail can also be set, using when can be according to actual condition cloth
Put.In addition, the fixing assembling mode between the utility model damping-constraining noise reducing plate and rail may be used also in addition to pasting and fixing
, can as long as ensure that the intensity and reliability of connection to be that spring clip such as grips at other fixing assembling modes
For the utility model.In addition it is also possible to be fitted to each other sideways in connecting plate split convex stupefied 13 and 15 and restraining plate split convex stupefied 1
Upper setting detent, can equally form effectively spacing to elastomeric isolation bar, in addition it is noted that except already mentioned rubber
Outside glue material, elastomeric isolation bar 4 can also be made of other materials such as elastic polyurethanes, all the guarantor in the utility model requirement
Protect among scope.Described above is equally applicable to other embodiment of the present utility model, is described in this together, behind no longer
Repeat.
Spaced convex row is stupefied in addition to so that mode is arranged shown in Fig. 3 on connecting plate 1 in the utility model, can be with
Mode as shown in Figure 4 is arranged, i.e., continuous short convex stupefied, is positioned apart from the transverse direction and longitudinal direction of connecting plate plate body, accordingly
Restraining plate on convex row it is stupefied also correspond to arrangement.Said structure form is all based on the simple change of this example technical principle
Change, all among the protection domain of the utility model requirement.
The utility model damping-constraining noise reducing plate, simple in construction, easy to use, it can preferably obstruct itself vibration and pass
Pass, so as to realize more preferably effect of vibration and noise reduction, with vibration and noise reducing dependable performance, the advantages of cost performance is more superior can be extensive
Applied in the fields such as industrial equipment, ship equipment and track traffic.
Embodiment two
The utility model damping-constraining noise reducing plate as shown in Figure 5, the difference with embodiment one is, except being spelled in connecting plate
Close between convex stupefied 13 and restraining plate split convex stupefied 12 and distinguish between connecting plate split convex stupefied 15 and restraining plate split convex stupefied 14
Set outside elastomeric isolation bar 4, being additionally provided between connecting plate and restraining plate makes connecting plate convex stupefied convex in restraining plate split with restraining plate
The elastomeric isolation bar 6 that direction keeps elastomeric isolation is played, the elastomeric isolation bar 6 is arranged on before restraining plate 2 convex stupefied 18 and 19
Between end and connecting plate 1；Connect in addition, the restraining plate split convex stupefied 12 and 14 of connecting plate 1 and the mosaic of restraining plate 2 is located at respectively
Convex stupefied 13 and 15 outside of fishplate bar split, the connection effect of such attachment structure is more solid reliable；In addition, connecting plate split is convex
Stupefied 13 and 15 are respectively provided with detent being fitted to each other on side with restraining plate split convex stupefied 12 and 14, the elastomeric isolation bar 4
Both sides be respectively correspondingly locally embedded connecting plate split is convex stupefied and restraining plate split it is convex it is stupefied on detent is set.
Due to connecting plate split is convex stupefied and restraining plate split it is convex it is stupefied on detent is set simultaneously, elastomeric isolation bar 4
Positioning is more safe and reliable.
As shown in figure 5, still being illustrated by taking the application on steel rail web surface as an example, damping-constraining noise reducing plate described in this example
Application process and embodiment one it is essentially identical, be not repeated herein.Compared with embodiment one, due in connecting plate 1 and constraint
Elastomeric isolation bar 6 is additionally arranged between plate 2, elastomeric isolation bar 4 can ensure that connecting plate 1 keeps bullet with restraining plate 2 in the longitudinal direction of rail 5
Sexual isolation, elastomeric isolation bar 6 can ensure that connecting plate 1 laterally retains elastomeric isolation with restraining plate 2 in rail 5, it can be ensured that this
Connecting plate 1 will not occur directly to contact all the time with restraining plate 2 in utility model damping-constraining noise reducing plate, therefore, during use
The vibration of rail 5 will not be transferred directly to restraining plate 2 and then to outside radiated noise through connecting plate 1, and its vibration and noise reducing performance is more
It is secure, it is also relatively reliable.It is to be particularly noted that due to the oscillation crosswise and the energy difference of vertical vibration of rail,
Therefore in design, elastomeric isolation bar 4 and elastomeric isolation bar 6 can be made of different elastomeric materials, be conducive to targetedly
Isolate the oscillation crosswise and vertical vibration of rail, improve the effect of isolation vibration, so as to further lift the final vibration damping of product
Anti-acoustic capability, is also such when being used in other application structure.
Certainly, can be set based on the technical principle described in this example, between connecting plate and restraining plate make connecting plate with about
Beam plate is connecting plate split is convex stupefied or the convex stupefied protrusion direction of restraining plate split keeps the elastomeric isolation bar of elastomeric isolation, the elasticity
Isolating bar can be arranged between the convex stupefied front end of connecting plate and restraining plate, or be arranged on the convex stupefied front end of restraining plate with
Between connecting plate, same effect is can act as, all among the protection domain of the utility model requirement.Due to elastomeric isolation
The presence of bar 6 and elastomeric isolation bar 4, the utility model damping-constraining noise reducing plate described in this example is in production without still further setting
Distance pieces.
Embodiment three
The utility model damping-constraining noise reducing plate as shown in Figure 6, the difference with embodiment one is that connecting plate 1 is with constraining
The connecting plate split convex stupefied 13 and 15 of the mosaic of plate 2 is located at convex stupefied 12 and 14 outside of restraining plate split respectively, and connecting plate is spelled
Close convex stupefied 13 and 15 and be correspondingly arranged detent being fitted to each other on side with restraining plate split convex stupefied 12 and 14, elastomeric isolation
The two ends of bar 4 be locally embedded respectively connecting plate split is convex stupefied and restraining plate split it is convex it is stupefied on detent is set；In addition, about
The outside of beam plate 2 sets counterweight mounting interface, and the counterweight mounting interface is specially the mounting groove set on restraining plate 2, described
The neck wall 8 that mounting groove is set on restraining plate 2 is surrounded, and counterweight 7 is set in mounting groove, and wherein counterweight 7 is made up of steel plate.
Compared with embodiment one, in the technical scheme described in this example, counterweight 7 is additionally arranged using mounting groove on restraining plate 2,
Again because damping layer 3 and elastomeric isolation bar 4 all have good elasticity, therefore counterweight 7, restraining plate 2 and damping layer 3 constitute one
Tuning quality vibration insulating system, it can preferably consume the vibration for absorbing rail, and the noise triggered is vibrated in reduction, vibration and noise reducing
It is better, can be by predominant oscillatory frequencies of the intrinsic frequency correspondence of the tuning quality vibration insulating system using object in design
Set.The advantageous effects for setting up counterweight are：(1) substantially, it can significantly improve restraining plate to the rigidity effect of counterweight
Rigidity, is conducive to lifting the relative deformation between restraining plate and connecting plate and shear energy dissipation ability；(2) tuning effect of counterweight is bright
Aobvious, the total quality after restraining plate increase counterweight is greatly improved, because damping layer material has good elasticity, restraining plate increase
Mass of vibration in the tuning quality system constituted after counterweight with damping layer is bigger, thus damping capacity is outstanding, noise reduction effect
Fruit is also more preferable.For these reasons, the utility model adds the effect of vibration and noise reduction of the damping-constraining noise reducing plate of counterweight
More preferably.
The selection range of certain counterweight 7 is very wide, in addition to using steel plate, can also use the materials such as rod iron or concrete,
In addition, the counterweight 7 can be used in combination using polylith sheet metal or many thin rod iron, when steel plate or rod iron setting are more
It when individual, can be linked together by cement or bonded adhesives, to improve globality, can act as good technique effect, all
Among the protection domain of the utility model requirement.
Example IV
The utility model damping-constraining noise reducing plate as shown in Figure 7, the difference with embodiment three is, is set on restraining plate 2
Counterweight mounting interface, the counterweight mounting interface is specially the multiple mounting grooves set on restraining plate 2, and the mounting groove is by constraining
The neck wall 8 set on plate 2 is surrounded, and counterweight 7 is set in mounting groove, and wherein counterweight 7 is made up of rod iron.
Similar to embodiment three, counterweight, restraining plate and damping layer constitute tuning quality vibration absorber, if by the tuning matter
The intrinsic frequency correspondence for measuring vibration absorber is set using the predominant oscillatory frequencies of object, tuning quality will be played to greatest extent and subtracted
The effect of vibrating device.In this example, tuning quality vibration absorber is constituted for counterweight 7, restraining plate 2 and damping layer 3, wherein, counterweight 7
It is made up of many rod irons, by the quantity for adjusting rod iron, it is possible to realize the intrinsic frequency for adjusting the tuning quality vibration absorber
Effect, therefore in use, can scene the intrinsic frequency of the tuning quality vibration absorber is accurately adjusted, make its with
It is corresponding using the predominant oscillatory frequencies of object, so as to play optimal vibration and noise reducing effect.
Embodiment five
The utility model damping-constraining noise reducing plate as shown in Figure 8, the difference with embodiment two is, restraining plate convex stupefied 18
Front end with 19 is provided with detent, and elastomeric isolation bar 6 is local to be embedded in detent；In addition, setting counterweight on restraining plate 2
Mounting interface, the counterweight mounting interface is specially the installation chamber that the installation cavity side wall 9 set on the outside of restraining plate is surrounded, and is installed
Counterweight 7 is set in chamber, and wherein counterweight 7 is made up of loaded concrete material.
Compared with example two, in the technical scheme described in this example, counterweight 7 is additionally arranged using installing chamber on restraining plate 2,
Again because damping layer 3 and elastomeric isolation bar all have good elasticity, therefore counterweight 7, restraining plate 2 and damping layer 3 may be constructed
One tuning quality vibration insulating system, it can preferably consume the vibration for absorbing rail, the noise that reduction vibration triggers, vibration damping drop
That makes an uproar is better.In addition, the selection range of counterweight 7 is very wide, in addition to using loaded concrete, steel plate, rod iron can also be used
Deng metal material, perfusion filling or filling sand after either being mixed using sandstone, slag, metallic particles with solidifiable bonded adhesives
The materials such as stone, metallic particles, slag can act as good technique effect, all exist again by technical scheme closed at both ends etc.
Within the protection domain of the utility model requirement.The advantageous effects for setting up counterweight are：(1) rigidity effect of counterweight is bright
Aobvious, it can significantly improve the rigidity of restraining plate, be conducive to being lifted relative deformation and shearing between restraining plate and connecting plate and consume
Energy ability, the counterweight that the material such as steel plate, rod iron or concrete is constituted can realize this technique effect；(2) counterweight
Substantially, the total quality after restraining plate increase counterweight is greatly improved tuning effect, because damping layer material has good elasticity,
Mass of vibration in the tuning quality system constituted after restraining plate increase counterweight with damping layer is bigger, thus damping capacity more goes out
Color, noise reduction is also more preferable, for example, the material such as steel plate, rod iron, sandstone, slag, metallic particles or concrete constitute match somebody with somebody
Weight can realize this technique effect.For these reasons, the utility model adds the damping-constraining noise reducing plate of counterweight
Effect of vibration and noise reduction is more preferably.
Technical principle based on this example, it is convex stupefied between restraining plate that elastomeric isolation bar 6 can also be arranged on connecting plate, or
Person is convex stupefied between restraining plate and restraining plate is convex stupefied sets elastomeric isolation bar 6 simultaneously between connecting plate in connecting plate.Phase
Answer, can be set in the convex stupefied front end of connecting plate from detent, then the part of elastomeric isolation bar 6 is embedded in detent
In；Or detent, 6 innings of elastomeric isolation bar are set simultaneously in the convex stupefied front end of connecting plate and the convex stupefied front end of restraining plate
Portion is embedded in detent.Above-mentioned technical proposal is all based on the simple change of the utility model technical principle, herein only with
Word is described, not still further accompanying drawing, all among the protection domain of the utility model requirement.
Embodiment six
The utility model damping-constraining noise reducing plate as shown in Figure 9, the difference with embodiment five is, the outside of restraining plate 2
Chamber is installed and sets two, it is tuning quality vibration absorber to install counterweight in chamber, and the tuning quality vibration absorber is by elasticity
Body layer 16 and mass 17 are constituted, and the intrinsic frequency correspondence of tuning quality vibration absorber is set using the predominant oscillatory frequencies of object
Put.
Compared with embodiment five, in the technical scheme described in this example, counterweight is made up of tuning quality vibration absorber, and it is not only
All advantages with counterweight described in embodiment five, it can also individual play the effect of tuning quality vibration damping, therefore constraint
The vibration and noise reducing performance of damping noise-reducing plate is stronger.Counterweight is made up of two tuning quality vibration absorbers in this example, in practical application
In can also set one, three it is even more many.The positive effect of multiple tuning quality vibration absorbers is set to be, if will be many
The intrinsic frequency of individual tuning quality vibration absorber is corresponding with using multiple predominant oscillatory frequencies on object respectively, it is possible to achieve same
When control using the vibration of multiple frequencies on object, its vibration damping frequency band is wider, is conducive to further improving effect of vibration and noise reduction, its
Applicability is stronger.
It is pointed out that for convenience of description, in embodiment, with the utility model damping-constraining noise reducing plate in steel
Illustrated exemplified by application at the rail web of the rail.But, the utility model damping-constraining noise reducing plate is equally applicable to ship main auxiliary
Housing, ship deck, ship bin of the industrial power equipment such as machine etc. using object vibration control, using when, it is only necessary to root
Factually the shape of border application, corresponding by the shape of the utility model damping-constraining noise reducing plate, can realize
Good effect of vibration and noise reduction, is only described with word, no longer illustrated one by one herein.
Embodiment in the utility model is only more preferable explanation the technical solution of the utility model, be should not be considered as to this reality
With new limitation, technical characteristic in many of which embodiment can also cross-reference, based on the utility model technical principle,
Those skilled in the art technical scheme described in above-described embodiment can be re-started combination or using similar technique to wherein certain
A little elements are simply replaced, as long as based on technical principle of the present utility model, all protection domain in the utility model requirement
In.
Claims (11)
1. convex-concave structure is set respectively on a kind of damping-constraining noise reducing plate, including connecting plate and restraining plate, connecting plate and restraining plate,
The convex-concave structure be specially on connecting plate or restraining plate spaced convex row it is stupefied, the convex-concave knot on connecting plate and restraining plate
Structure is interlaced to coordinate setting damping material in composition damping chamber, damping chamber to constitute damping layer, it is characterised in that connecting plate
Setting connecting plate split corresponding with the mosaic difference of restraining plate is convex stupefied and restraining plate split is convex stupefied, connecting plate split it is convex stupefied and
Restraining plate split it is convex it is at least one stupefied detent is set being fitted to each other on side, connecting plate split is convex stupefied with restraining plate split
It is convex it is stupefied between be additionally provided with the elastomeric isolation bar that elastomeric material is made, the elastomeric isolation bar is locally embedded in detent, even
Fishplate bar is spelled button by elastomeric isolation bar with restraining plate and is connected, and the elastomeric isolation bar and damping layer make connecting plate be kept with restraining plate
Elastomeric isolation.
2. damping-constraining noise reducing plate according to claim 1, it is characterised in that being additionally provided between connecting plate and restraining plate makes
Connecting plate and restraining plate are connecting plate split is convex stupefied or the convex stupefied protrusion direction of restraining plate split keeps the elastomeric isolation of elastomeric isolation
Bar, the elastomeric isolation bar is arranged between the convex stupefied front end of connecting plate and restraining plate, or to be arranged on restraining plate convex stupefied
Front end and connecting plate between.
3. damping-constraining noise reducing plate according to claim 2, it is characterised in that the convex stupefied front end of connecting plate is provided with positioning
Groove, or/and the convex stupefied front end of restraining plate are provided with detent, and elastomeric isolation bar is locally embedded in detent.
4. damping-constraining noise reducing plate according to claim 1, it is characterised in that the company of the mosaic of connecting plate and restraining plate
Fishplate bar split it is convex it is stupefied be respectively positioned on the convex stupefied outside of restraining plate split, or the mosaic of connecting plate and restraining plate restraining plate split
It is convex stupefied to be respectively positioned on the convex stupefied outside of connecting plate split.
5. damping-constraining noise reducing plate according to claim 1, it is characterised in that the outside of restraining plate sets to match somebody with somebody to re-mount and connect
Mouthful, counterweight is fixedly installed on restraining plate by counterweight mounting interface.
6. damping-constraining noise reducing plate according to claim 5, it is characterised in that the counterweight mounting interface includes restraining plate
The mounting groove of upper setting installs chamber, and the counterweight is arranged in mounting groove or installation cavity room.
7. the damping-constraining noise reducing plate according to claim 5 or 6, it is characterised in that the counterweight includes steel plate, rod iron, sand
Stone, slag, metallic particles or concrete.
8. damping-constraining noise reducing plate according to claim 7, it is characterised in that the steel plate, rod iron set multiple, and lead to
Cross cement or bonded adhesives links together.
9. the damping-constraining noise reducing plate according to claim 5 or 6, it is characterised in that the counterweight, restraining plate and damping layer
Tuning quality vibration absorber is constituted, the intrinsic frequency correspondence of the tuning quality vibration absorber uses the predominant oscillatory frequencies of object
Set.
10. the damping-constraining noise reducing plate according to claim 5 or 6, it is characterised in that the counterweight is tuning quality vibration damping
Device, the intrinsic frequency correspondence of the tuning quality vibration absorber is set using the predominant oscillatory frequencies of object.
11. damping-constraining noise reducing plate according to claim 1, it is characterised in that the elastomeric material includes rubber, elasticity
Polyurethane and elasticity PVC.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621425650.1U CN206359839U (en) | 2016-12-23 | 2016-12-23 | Damping-constraining noise reducing plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621425650.1U CN206359839U (en) | 2016-12-23 | 2016-12-23 | Damping-constraining noise reducing plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206359839U true CN206359839U (en) | 2017-07-28 |
Family
ID=59376632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621425650.1U Withdrawn - After Issue CN206359839U (en) | 2016-12-23 | 2016-12-23 | Damping-constraining noise reducing plate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206359839U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106758569A (en) * | 2016-12-23 | 2017-05-31 | 青岛科而泰环境控制技术有限公司 | Damping-constraining noise reducing plate |
| CN109538678A (en) * | 2018-11-15 | 2019-03-29 | 中国直升机设计研究所 | A kind of liquid bullet vibration isolator of high Static stiffness |
| CN110387777A (en) * | 2019-04-11 | 2019-10-29 | 陕西九域通创轨道系统技术有限责任公司 | A kind of rail traffic vibration and noise complex control system |
-
2016
- 2016-12-23 CN CN201621425650.1U patent/CN206359839U/en not_active Withdrawn - After Issue
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106758569A (en) * | 2016-12-23 | 2017-05-31 | 青岛科而泰环境控制技术有限公司 | Damping-constraining noise reducing plate |
| CN109538678A (en) * | 2018-11-15 | 2019-03-29 | 中国直升机设计研究所 | A kind of liquid bullet vibration isolator of high Static stiffness |
| CN110387777A (en) * | 2019-04-11 | 2019-10-29 | 陕西九域通创轨道系统技术有限责任公司 | A kind of rail traffic vibration and noise complex control system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170728 Effective date of abandoning: 20200519 |