A kind of multi-direction wide frequency domain every vibration damping/shake device
The present invention relates to one kind every vibration damping/shake device, more particularly to it is a kind of be capable of multi-direction wide frequency domain every vibration damping/shake dress
With expanding economy and the progress of society, skyscraper, large-span structure, Important building facility and moulding are not advised
Structure (such as containing long cantilever construction) then is increasing；At the same time, urban track traffic flourishes, high-speed railway,
The large area such as lower railway are built.Under dynamic load (earthquake, high wind, the lower oscillatory load of track operation, etc.) effect, building structure is produced
Raw vibration, easily causes structure degree of comfort decreased, degree of safety reduction or even destroys, and how to reduce vibration effect complicated and changeable
An important topic should be turned into.Structural vibration control is a kind of measure of new antivibration (shake), and it is by setting in the structure
Vibration damping (shake) or vibration isolation (shake) device are consumed or isolate (shake) energy that shakes, or to apply outside energy outside sharp to offset
Encourage the effect to structure.Every vibration damping/shake device as passive vibration control a kind of common form, with construct it is relatively easy,
Without manual intervention, the advantage of strong robustness and stability and be widely used.
Traditional multidimensional is more weak every vibration damping/control of the shake device to vertical motion, such as in architectural vibration-insulation field, every
On the one hand shake device is needed with larger vertical rigidity to provide enough vertical bearing capacities, on the other hand, it is necessary to pass through drop
Low vertical rigidity reaches isolating affection to extend the vertical cycle with this.But be present certain irreconcilable contradiction in these two aspects, make
Existing multiple dimension shock-proof device remains unchanged and is difficult to preferable vertical earthquake isolating effect.For another example, track vibration control field, ground
The vibration that iron operation is produced has frequency band very wide, simple to rely on the vibration isolation that isolation mounting is difficult to full frequency band, easily cause every
Building high band is ignited or low-frequency range does not isolate the problem of vibration frequency band yet after shaking.It is traditional at present except above mentioned problem
Multidimensional is relatively low every the damping of vibration damping/shake device, almost without energy dissipation capacity, which also limits multidimensional every vibration damping/shake device new think of
Road, develops more.
Wide frequency domain viscoelastic material is a kind of highly effective highly energy-consuming damping material, its under external force, while depositing
In elasticity and sticky two kinds of deformation mechanisms, damping higher is respectively provided with frequency band range wider.In vibration control field,
Usually using the reciprocal detrusion of viscoelastic material, vibrational energy is dissipated in the form of material heat energy so that structure hinders
Buddhist nun is increased, and extensive use is obtained in numerous areas such as building, machinery, Aero-Space.Therefore, invention one kind is combined with viscoelastic
Property material multi-direction wideband every vibration damping/shake device effectively realize multi-dimensional vibration control, improve vibration characteristics, having very much must
Want and great future in engineering applications.
The content of the invention
Goal of the invention：The technical problems to be solved by the invention be to provide it is a kind of be capable of multi-direction wide frequency domain every vibration damping/
Shake device, the device had both had certain vertical rigidity to provide enough vertical bearing capacities, and with damping high.
The content of the invention：In order to solve the above technical problems, the technology used in the present invention means are：
A kind of multi-direction wide frequency domain every vibration damping/shake device, including the upper steel plate and lower steel plate being oppositely arranged, also including position
Viscoplasticity bearing between upper steel plate and lower steel plate, the viscoplasticity bearing is solid with upper steel plate and lower steel plate respectively by bolt
Fixed connection；The viscoplasticity bearing is externally provided with viscoelastic damper, the viscoelastic damper by bolt respectively with upper steel plate
Be fixedly connected with lower steel plate, the viscoelastic damper by the upper braces being mutually twisted and lower braces and be wrapped in upper braces and
Viscoelastic material composition outside lower braces, has certain gap between the upper braces and lower braces, gap passes through viscoplasticity
Material cures are filled；Resistance to plucking cable wire is additionally provided between the viscoplasticity bearing and viscoelastic damper, the resistance to plucking cable wire passes through
Connection buckle is fixedly connected with upper steel plate and lower steel plate.
Wherein, the viscoplasticity bearing includes the top board and base plate of horizontally set, and between top board and base plate
Lamination bearing, the lamination bearing is formed by the vulcanization that is superimposed successively of viscoelastic material layer and steel plate.
Wherein, steel plate is in H types in the viscoplasticity bearing.
Wherein, the thickness of viscoelastic material layer is more than the thickness of steel plate in the viscoplasticity bearing.
Wherein, the thickness of viscoelastic material layer is 5~10mm in the viscoplasticity bearing, and the thickness of steel plate is 2~4mm.
Wherein, the viscoelastic damper encloses in a ring or square.
Wherein, the upper braces and lower braces are the Steel Structure with dentation or approximate dentation cross section structure.
Wherein, the gap between the upper braces and lower braces is 5~15mm.
Wherein, the thickness of viscoelastic material layer is 2~5mm, the lower tooth between the upper braces upper surface and upper steel plate
The thickness of viscoelastic material layer is 2~5mm between frame lower surface and lower steel plate.
Wherein, the resistance to plucking cable wire is uniformly looped around the periphery of cylindrical viscoplasticity bearing.
Compared to prior art, technical solution of the present invention have the advantage that for：
Multi-direction wide frequency domain of the invention every vibration damping/shake device, in frequency band wider, level to, be vertically respectively provided with
It is good every vibration damping/shock stability, it is high performance while have good robustness and stability, be embodied in following side
First, the device level realized jointly every vibration damping/shake by viscoelastic damper and viscoplasticity bearing, substantially improve and
Improve horizontal vibration isolation and the energy dissipation capacity of device；Sheet metal is H types in viscoplasticity bearing, and the side wing edge of steel plate two causes that device exists
Being capable of more homogeneous soft deformation, raising device robustness under normal operation state；Meanwhile, viscoelastic damper reach level to
During maximum range, it is possible to provide additional levels rigidity, and excessive horizontal displacement is carried out it is spacing, so as to ensure whole vibration isolation/shake
The safe and stable operation of device；
Secondly, vertical rigidity is mainly provided by viscoplasticity bearing in the device, compared to traditional vibration isolation/shake bearing, is had
Less vertical rigidity, can reduce the vertical frequency of structure, the vertical vibration isolation/pinking having had in frequency range wider
Energy；Meanwhile, when viscoelastic damper reaches vertical maximum range, it is possible to provide additional stiffness, it is ensured that whole every vibration damping/shake device
Vertical bearing capacity；
Again, viscoelastic damper is set by the flank of tooth in the device, can change the shearing under horizontal vibration, vertical motion
Power consumption face, with this it is multi-direction realize level, vertical passive energy dissipation with multi-angle, and greatly increase it is each to damping, and by the flank of tooth
Occlusion provide rigidity protection；
Finally, set resistance to plucking cable wire is uniformly disposed circumferentially between viscoplasticity bearing and viscoelastic damper in the device,
Uniform withdrawal resistance is provided, prevents structure from producing tensile failure and uneven local failure.
Brief description of the drawings
Fig. 1 is top view I of the multi-direction wide frequency domain of the invention every vibration damping/shake device；
Fig. 2 is top view II of the multi-direction wide frequency domain of the invention every vibration damping/shake device；
Fig. 3 is front view of the multi-direction wide frequency domain of the invention every vibration damping/shake device；
Fig. 4 is profile of the multi-direction wide frequency domain of the invention every vibration damping/shake device；
Fig. 5 is schematic diagram of the multi-direction wide frequency domain of the invention every viscoelastic damper in vibration damping/shake device；
Fig. 6 is multi-direction wide frequency domain of the invention every the knot under a certain working condition of viscoelastic damper in vibration damping/shake device
Structure schematic diagram.
According to following embodiments, the present invention may be better understood.However, as it will be easily appreciated by one skilled in the art that real
Apply the content described by example and be merely to illustrate the present invention, without should also without limitation on sheet described in detail in claims
As shown in Fig. 1~5, multi-direction wide frequency domain of the invention every vibration damping/shake device, including the upper steel plate 1 being oppositely arranged
With lower steel plate 2, also including the viscoplasticity bearing 3 between upper steel plate 1 and lower steel plate 2, viscoplasticity bearing 3 includes horizontally set
Top board 9 and base plate 10, and the lamination bearing between top board 9 and base plate 10, lamination bearing is by viscoelastic material layer 13
Formed with the vulcanization that is superimposed successively of steel plate 14, the top board 9 of viscoplasticity bearing 3 is by a number of bolt 12 and upper steel plate 1
It is fixedly connected, the base plate 10 of viscoplasticity bearing 3 is fixedly connected by a number of bolt 12 with lower steel plate 2；Viscoplasticity bearing 3
Viscoelastic damper 4 is arranged with outward, viscoelastic damper 4 is by the upper braces 6 being mutually twisted and lower braces 8 and is wrapped in upper tooth
Viscoelastic material 7 outside frame 6 and lower braces 8 is constituted, and the gap between upper braces 6 and lower braces 8 is also by the sulphur of viscoelastic material 7
Change filling, the upper braces 6 of viscoelastic damper 4 is fixedly connected by a number of bolt 12 with upper steel plate 1, viscoelastic damping
The lower braces 8 of device 4 is fixedly connected by a number of bolt 12 with lower steel plate 2；Viscoplasticity bearing 4 and viscoelastic damper 4
Between be additionally provided with resistance to plucking cable wire 5, resistance to plucking cable wire 5 is fixedly connected by connection buckle 11 with upper steel plate 1 and lower steel plate 2, resistance to plucking steel
Rope 5 is S-type, and S type resistance to pluckings cable wire 5 is evenly arranged between viscoplasticity bearing 3 and viscoelastic damper 4；Resistance to plucking cable wire 5 is arranged on
Between viscoplasticity bearing 3 and viscoelastic damper 4, the device uniform force under big pulling force effect is on the one hand ensure that, quiet
Under load effect, viscoelastic damper 4 is in small pressure small deformation state, on the other hand, hindered in viscoplasticity bearing 3 and viscoplasticity
A certain distance is left between Buddhist nun's device 4 can also make the Free Transform under horizontal vibration effect of viscoplasticity bearing 3.
The main viscoelastic material layer 13 of viscoplasticity bearing 3 and H types sheet metal 14 are superimposed form (by viscoplasticity material successively
It is an entirety that material is pressed into stratiform and is superimposed successively with steel plate again and vulcanized), in addition, also comprising bearing top board 9 and bottom
Plate 10.Viscoplasticity bearing 3 is connected with upper steel plate 1 and lower steel plate 2 by bolt 12, it is ensured that the stable connection under effect of vibration.It is thin
Steel plate 14 is arranged to H profile steel plate, it is therefore an objective to easily cause horizontal rigidity mistake while improving traditional lamination bearing reduction vertical rigidity
Low problem.By the edge of a wing of the both sides of H profile steel plate 14, when device occurred level is moved, the edge of a wing can constrain viscoplasticity bearing 3
Horizontal distortion, strengthens its job stability.By changing thickness, the number of plies of viscoelastic material layer 13 and steel plate 14, can adjust
The rigidity of viscoplasticity bearing 3 and damping, so that the actual natural frequency of vibration of adjustment structure reaches the effect of vibration isolation, vibration damping.It is general next
Say, the thickness (generally 5~10mm) of viscoelastic material layer 13 should be greater than the thickness (typically asking 2~4mm) of steel plate, to prevent from gluing
The rigidity of elastic support 3 is excessive and causes vertical vibration isolation performance bad.
As shown in figure 5, viscoelastic damper 4 is combined by the vulcanization of upper braces 6, viscoelastic material 7 and lower braces 8；It is viscous
Elastic damper 4 can be overall (as shown in Figure 1) for an annular, or rectangular unit (as shown in Figure 2), rectangular unit
Enclose and be square, or other suitable configurations.Upper braces 6 and lower braces 8 are with certain thickness flute profile Steel Structure
(material can be steel, alloy) (section of upper braces 6 and lower braces 8 is dentation or approximate dentalation), upper braces 6 is with
Rational gap (typically in 5~15mm) is set according to engineering requirements between braces 8, between upper braces 6 and lower braces 8
Gap is vulcanized with viscoelastic material 7 fills so that viscoelastic material 7 can glue well with the section of upper braces 6 and lower braces 8
Knot, so as to constitute an entirety.Upper gap between braces 6 and lower braces 8 in viscoelastic damper 4, i.e. viscoelastic material 7
Thickness (can meet energy under big stroke by the self stability of viscoelastic damper 4 and its with the travel relationships of viscoplasticity bearing 3
Rigidity and spacing requirement be enough provided) determine, but this 2 points requirement should not be limited only to.Upper braces 6 and lower braces 8 pass through spiral shell
Bolt 12 is fixed with upper steel plate 1 and lower steel plate 2 respectively, and fixed position is preferably arranged at the heavy in section of braces；Meanwhile, viscoelastic damping
Top surface (the distance between upper braces 6 and upper steel plate 1) and bottom surface (the distance between lower braces 8 and lower steel plate 2) viscoelastic on device 4
Property material thickness be 2~5mm so that the connection of upper lower steel plate and upper and lower braces more closely and avoids rigid generating collision.
The multi-direction wide frequency domain of the present invention every vibration damping/shake device can realize simultaneously level to every vibration damping/shake with vertically every vibration damping/
Shake, wherein viscoplasticity bearing 3 can also effectively improve the vertical vibration isolation performance of device while offer horizontal anti-vibration performance；Viscoelastic
Property damper 4 by self structure characteristic and the displacement coordination relation with viscoplasticity bearing 3, form multistage working machine
System：Under normal work stroke, the passive energy dissipation under multidirectional vibration is realized, during big stroke, there is provided additional levels, vertical (compression) are just
Degree, makes up the low problem of the ultimate vertical bearing capacity of viscoplasticity bearing 3, carries out displacement position-limiting, it is ensured that equipment safety efficient operation；Separately
Outward, device is by the rationally position of setting resistance to plucking cable wire 5 and quantity, the resistance to plucking tension protection mechanism of forming apparatus.
The operation principle of the present apparatus：Level is to common by viscoplasticity bearing 3 and viscoelastic damper 4 every vibration damping (shake) mechanism
With realization；When device is subject to level to/shock effect of shaking, viscoplasticity bearing 3 is because with less horizontal rigidity, viscoelastic material
Layer 13 and sheet metal 14 occur detrusion, not only reached vibration isolation purpose but can dissipation energy, at the same time, viscoelastic damper
4 and viscoplasticity bearing 3 due to being rigidly fixed with upper steel plate 1 and lower steel plate 2, so both have displacement uniformity, viscoplasticity
Damper 4 shakes in level/shock effect under can also deform, by the flute profile section institute structure between upper braces 6 and lower braces 8
Both there is tension and compression deformation, there is detrusion again in the presence in the multidirectional multi-angle section produced, viscoelastic damper 4, can be very
Damping is provided well and dissipation energy reduces vibration；When displacement amplitude so that upper braces 6 and the flute profile inclined-plane of lower braces 8 are approximately fitted
When, maximum range is reached, now the increase of the rigidity of viscoelastic damper 4, will be for entirely every that vibration damping/shake device provides additional levels is firm
Degree, also will prevent viscoplasticity bearing 3 from excessive horizontal displacement occurring and destroy as Compact Mounts.
It is vertical to be realized jointly by viscoplasticity bearing 3, viscoelastic damper 4 and resistance to plucking cable wire 5 every vibration damping/shake mechanism.It is viscous
Elastic support 3 relative to traditional vibration isolating suspension have smaller vertical rigidity, such that it is able to be effectively improved system it is vertical every
Shake performance.When device is subject to downward vertical/shock effect of shaking, the viscoelastic material layer 13 in viscoplasticity bearing 3 is compressed
Deformation, had not only reached vibration isolation purpose but also being capable of dissipation energy；At the same time, also there is vertical compression in viscoelastic damper 4, by
In the wherein presence of viscoelastic material 7 and its multidirectional multi-angle section constructed with the combining form of braces so that viscous
There is tension and compression and detrusion in elastomeric material 7 such that it is able to effectively provide damping and dissipation energy reduces vibration simultaneously；It is pressurized
Under large deformation, viscoelastic damper 4 reaches compression range, and approximately laminating causes viscoelastic damper 4 for upper braces 6 and lower braces 8
Vertical rigidity increases, and will prevent superstructure because of device vertical deformation as vertical limit device to provide vertical additional stiffness
It is excessive also to produce moderate finite deformation, harm safety；It is viscous in viscoplasticity bearing 3 when device is subject to upward vertical/shock effect of shaking
Elastomeric layer 13 occur stretcher strain, not only reached vibration isolation purpose but can dissipation energy, it is similar with downwardly vertical Vibration Condition,
There is vertical stretcher strain in viscoelastic damper 4, due to the wherein presence of viscoelastic material 7 and its compound section with braces
Form so that viscoelastic material 7 occurs tension and compression and detrusion simultaneously such that it is able to effectively provide damping and dissipation energy subtracts
Small vibration, under tension large deformation, the resistance to plucking cable wire 5 being uniformly arranged will provide resistance to plucking stretching resistance, it is ensured that device is not drawn bad.
Obviously, above-described embodiment is only intended to clearly illustrate example of the present invention, and is not to of the invention
The restriction of implementation method.For those of ordinary skill in the field, it can also be made on the basis of the above description
The change or variation of its multi-form.There is no need and unable to be exhaustive to all of implementation method.And these belong to this hair
Obvious change that bright spirit is extended out or among changing still in protection scope of the present invention.