CN106438812A - Rubber air spring damper with presettable early-stage rigidity - Google Patents
Rubber air spring damper with presettable early-stage rigidity Download PDFInfo
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- CN106438812A CN106438812A CN201610906593.7A CN201610906593A CN106438812A CN 106438812 A CN106438812 A CN 106438812A CN 201610906593 A CN201610906593 A CN 201610906593A CN 106438812 A CN106438812 A CN 106438812A
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- air spring
- rubber air
- cable wire
- hole
- floating
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- 229920001971 elastomer Polymers 0.000 title claims abstract description 83
- 238000007667 floating Methods 0.000 claims abstract description 70
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 22
- 239000010959 steel Substances 0.000 claims abstract description 22
- 238000001727 in vivo Methods 0.000 claims description 5
- 238000003825 pressing Methods 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 230000000087 stabilizing effect Effects 0.000 abstract 1
- 238000013016 damping Methods 0.000 description 11
- 238000000034 method Methods 0.000 description 8
- 230000006835 compression Effects 0.000 description 7
- 238000007906 compression Methods 0.000 description 7
- 239000002775 capsule Substances 0.000 description 6
- 230000005489 elastic deformation Effects 0.000 description 6
- 230000035939 shock Effects 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 206010011732 Cyst Diseases 0.000 description 4
- 230000008859 change Effects 0.000 description 4
- 208000031513 cyst Diseases 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 239000000806 elastomer Substances 0.000 description 3
- 230000006872 improvement Effects 0.000 description 3
- 238000009413 insulation Methods 0.000 description 3
- 238000002955 isolation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000007711 solidification Methods 0.000 description 2
- 230000008023 solidification Effects 0.000 description 2
- 206010061245 Internal injury Diseases 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 238000013475 authorization Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
- F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
- F16F9/02—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum
- F16F9/04—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium using gas only or vacuum in a chamber with a flexible wall
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses a rubber air spring damper with presettable early-stage rigidity. The rubber air spring damper with presettable early-stage rigidity is characterized in that a back pressure device is further arranged in a guide sleeve, the back pressure device comprises two groups of prepressing steel cables and two floating press plates, at least three steel stables are included in each group of prepressing steel cables, the two groups of prepressing steel cables are symmetrically distributed around the axis of the guide sleeve in the linear state respectively in the annular space between a rubber air spring and the guide sleeve, one ends of one group of prepressing steel cables are fixed to the floating press plate adjacent to a second end cover respectively, the other ends of the group of prepressing steel cables penetrate through the floating press plate adjacent to a driving component and are fixed to the driving component respectively, one ends of the other group of prepressing steel cables are fixed to the floating press plate adjacent to the driving component, and the other ends of the other group of prepressing steel cables penetrate through the floating press plate adjacent to the second end cover and fixed to the second end cover respectively; and the two groups of prepressing steel cables are tensioned, so that the rubber air spring is clamped between the two floating press plates all along.
Description
Technical field
The present invention relates to damping device, more particularly to using the antivibrator of rubber air spring.
Background technology
Rubber air spring is a kind of curved capsule that is fitted by rubber, netting twine and formed, and capsule two ends are with two pieces of dense steel plate
Envelope, forms a delivery air chamber, realizes elastic reaction using the compressibility of air；As rubber air spring has non-thread
Property characteristic, and the natural frequency of vibration is low, it is widely used in some dither occasions, such as automobile, high frequency as isolation component
Machinery and building structure etc..
People pursue a kind of " resisting " and " consumption " phase for the design of the anti-seismic structure especially anti-seismic structure of high-rise
In conjunction with synthesis anti-seismic performance, i.e., in the presence of weak wind shake and small earthquake, anti-seismic structure can provide extra for building main body
Additional stiffness resisting the effect of external load, the integrity of retainer body structure, it is to avoid internal injury occurs in main structure body；
Shake with anti-seismic structure in the presence of violent earthquake in high wind and then start yield deformation, made by the damping of the antivibrator in anti-seismic structure
It is used for the external energy that dissipates, so that main structure body is shaken in high wind and be unlikely in violent earthquake to be seriously damaged or even collapse.This just will
Ask be applied to anti-seismic structure can keep in the presence of outside weak load rigidity, do not deform；Effect in outside strong load
Under can then deform power consumption.But existing isolated component, either metal spring antivibrator or rubber air spring, all cannot
Perfectly meet above-mentioned antidetonation demand, any spring-damper can all produce more or less elasticity in the presence of external load
Deformation.The performance of the therefore Antiseismic building structure pursued by above-mentioned people be it is difficult to perfect realize.
Authorization Notice No. discloses a kind of wind resistance damping bullet for building for the utility application of CN 204081122U
Spring antivibrator, during two elastomers (i.e. two helical springs) that the antivibrator is directed in set are respectively and fixedly connected with center shaft
Between on limiter assembly, when antivibrator is tension or in compression, one of elastomer tension, another elastomer is pressurized, so as to realize
Wind resistance damping.But, the utility model patent is clearly present following shortcomings：1st, two helical springs are needed, whole antivibrator
Length is longer, is not suitable for apart from less space mounting；2nd, it is difficult in technique even not can guarantee that the firm of two springs
Degree is equal (including tensible rigidity and compression stiffness), and therefore wind direction difference damping effect is difference；3rd, antivibrator cannot be changed
Early stage rigidity, reaches default wind resistance rank, reduces the purpose of damping cost；4th, a helical spring is while in stretching and compression two
Work under the state of kind, the metal material of existing spring and production technology are difficult to meet and require, can only be by reducing helical spring
Regime of elastic deformation come realize stretching with compression two kinds of working conditions, this obviously can cause the wasting of resources.
Rubber air spring is typically only capable to bear compressive load, and resistance to tension is weak, can stretch power consumption to composition and can press again
The antivibrator of contracting power consumption, it is necessary to which wind resistance damping spring antivibrator for building is the same as described above is divided by two rubber air springs
Double-deformation is not born；Therefore rubber air spring also has wind resistance damping spring damping for building as described above as earthquake isolating equipment
The same shortcoming of device.
The application for a patent for invention of Publication No. CN101457553A discloses one kind, and " spring stiffness adjustable tuning quality subtracts
Shake device ", the vibroshock is a kind of composite buffer, changes its characteristic frequency by changing the thickness of mass, viscous by changing
The flow of the working media of stagnant antivibrator changes its damping ratio, changes its rigidity by the effective active length for changing spring, its
The means of the middle effective active length for changing spring have three kinds, and one is a section for being located at spring using curing materials in solidification cylinder
Solidification, two fill in constraint block, and the two interference fit toward intracardiac in helical spring, make the one section of spring for contacting with constraint block
Failure, three is to arrange helical raised on constraint block surface, and helical raised is stuck between spring wire, makes to block between spring wire
There is one section of spring failure of helical raised.As rubber air spring is the sealed gas chamber that main body is made up of rubber, above-mentioned three
The means for planting the effective active length for changing spring are simply not proposed to rubber air spring；In addition the resistance amortisseur of this form
Not only effective active length of spring substantially shortens, and can only compress passive energy dissipation, it is impossible to stretch passive energy dissipation.
Content of the invention
The technical problem to be solved is to provide a kind of early stage rigidity predeterminable rubber air spring antivibrator,
The antivibrator can not only preset early stage rigidity, and only with a rubber air spring, just both compressible passive energy dissipations, and
Stretchable passive energy dissipation.
The present invention solves the technical scheme of above-mentioned technical problem：
A kind of predeterminable rubber air spring antivibrator of early stage rigidity, the rubber air spring antivibrator includes to be oriented to
Set, of the fairlead is provided with the first end cap, and other end is provided with the second end cap；Spring is coaxially provided with described fairlead,
One drive member is put in described fairlead by the outside of the first end cap, and the drive member includes dynamic pressure plate and drive rod, its
Described in dynamic pressure plate be located at the head of the spring, the drive rod is located on dynamic pressure plate and extends along fairlead axis and lead
To set；Characterized in that,
Described spring is rubber air spring, the external diameter of the rubber air spring less than the internal diameter of fairlead, the two it
Between form an annular space；
Backpressure device is additionally provided with described fairlead, it is pre- that the backpressure device includes that quantity is at least two groups of three respectively
Compressed steel rope and two pieces of floating platens, wherein,
One piece of described floating platen is located between the dynamic pressure plate and rubber air spring, and another piece is located at the second end cap
Between rubber air spring；
Two groups of described precompressed cable wires are symmetrically distributed in the annular space rotating around the axis of fairlead with linear state
Interior, and of one group of precompressed cable wire is separately fixed on the floating platen adjacent with the second end cap, other end through and dynamic pressure
The adjacent floating platen of plate is separately fixed on dynamic pressure plate, one of another group of precompressed cable wire be separately fixed at adjacent with dynamic pressure plate
Floating platen on, other end is separately fixed on the second end cap through the floating platen adjacent with the second end cap；
On described floating platen, the logical of the precompressed cable wire is worn being respectively equipped with through the position of the precompressed cable wire
Hole, the aperture of the through hole is more than the diameter of worn precompressed cable wire；
Dynamic cooperation is respectively adopted between described fairlead and two pieces of floating platens；
Two groups of precompressed cable wires of tensioning, make the distance between two pieces of floating platens default equal to rubber air spring to be compressed to
The length of early stage rigidity.
In such scheme, described precompressed cable wire can be steel wire rope, or prestressing force steel hinge line.
The operation principle of above-mentioned rubber air spring antivibrator is as follows：When dynamic loading is acted on relatively along the axis of fairlead
When, described drive member compresses downwards rubber air spring；When dynamic loading is acted on opposite to each other along the axis of fairlead, described
Two groups of precompressed cable wires pull two pieces of floating platens to move towards compressing rubber air spring.As can be seen here, axial dynamic loading no matter
Relative or act on antivibrator opposite to each other, can compressing rubber air spring so as to elastic deformation occurs and consumes energy.
From above-mentioned operation principle, the hole of the through hole on the precompressed cable wire described in work process and the floating platen
Wall can not produce friction, otherwise interfere with moving up and down for floating platen, therefore on the floating platen through hole diameter ratio
The diameter of the precompressed cable wire is how many greatly, not disturb and moving up and down for floating platen should be affected to be advisable.
The predeterminable rubber air spring antivibrator of early stage rigidity of the present invention, wherein described precompressed cable wire two
Similar lifting bolt system can may also be employed and connects fixation, therefore, if two of the precompressed cable wire is all adopted anchor using anchoring
Gu or lifting bolt system connects and fixes extremely, then the purpose of default early stage rigidity will be reached, be necessary for precalculating and strictly control
The length ability pre-set tension of the precompressed cable wire, and then reach the purpose of default early stage rigidity.But, debug in actual production
During, then there are following two disasters in the purpose that default early stage rigidity will be reached using the method for the control precompressed rope length
Topic, one is to anchor or is that the process for connecing can produce error, even if two are to control welding or are error produced by the process for connecing, but
Precompressed cable wire also results in the change of its characterisitic parameter in cut-out, placement process.In order to solve above-mentioned technical barrier, the present invention
An improvement project be：
The other end of two groups of described precompressed cable wires is separately fixed at dynamic pressure plate and the second end cap by cable wire self-locking anchorage
On；Described cable wire self-locking anchorage is made up of installing hole, jaw and check bolt, wherein,
Described installing hole is located on dynamic pressure plate or the second end cap；Described installing hole is by one section of taper hole and one section of screwed hole
Composition, the wherein taper hole are located at the side near floating platen, and tip points to the floating platen, and screwed hole is located remotely from
The side of floating platen；
Described jaw is to match cone with the taper hole, and is made up of 3～5 lobes, and which is provided with folder along axis in vivo
Hold the clamping hole of corresponding precompressed cable wire；
Described check bolt is matched with the screwed hole, and is provided with diameter greater than described pre- compressed steel along axis in vivo
The circular hole of rope diameter；
Described jaw is in the taper hole, and check bolt is arranged on the screw thread in the hole.
From above-mentioned improvement project, one of first group of precompressed cable wire is all fixed on the second floating platen, separately
One, by passing in the clamping hole of described cable wire self-locking anchorage and circular hole, one of second group of precompressed cable wire is all fixed on
On first floating platen, other end, so can be exposing by passing in the clamping hole of described cable wire self-locking anchorage and circular hole
Fag end system be connected on traction stretching machine on, draw tensioning while monitor rubber air spring decrement (as tensioning away from
From), to determine the distance between two pieces of floating platens；When the distance between two pieces of floating platens are equal to rubber air spring
Be compressed to when meeting the length of early stage rigidity, promote the jaw to clamp precompressed cable wire by turning check bolt and locked i.e.
(now can need to ensure that the second end cap and the floating platen adjacent with the second end cap are close together)；Even if vibrated during use
In journey two groups of precompressed cable wires repeatedly tensioning, loose in the case of will not also loosen.
For preventing described rubber air spring two from sliding on the floating platen, another improvement project of the present invention
It is：A locating ring is respectively equipped with the relative surface of two pieces of floating platens, and two difference of the rubber air spring is embedding
In described locating ring.
Antivibrator of the present invention can be widely used for various one-dimensional shock insulation fields, e.g., plant equipment internal vibration every
From, equipment Foundations shock insulation, the seismic hardening of building structure, isolation seism building base etc..
Damping device of the present invention has the advantages that：
(1) it is positive or reverse, institute only to need a rubber air spring make the no matter suffered axial force of antivibrator
The rubber air spring that states can all produce elastic compression deformation and consume energy, and both save a rubber air spring, and greatly
Shorten the length of antivibrator.
(2) when dynamic loading is more than the defensive ability/resistance ability of early stage rigidity set by antivibrator, bidirectional elastic deformation is symmetrical, therefore outer
The change of the positive negative direction of power load does not affect its compression and the effect that consumes energy.
(3) length for changing precompressed cable wire can change the early stage rigidity of whole antivibrator, when early stage rigidity is more than zero,
External force was deformed cannot antivibrator before the early stage rigidity is overcome, when therefore using it for building structure aseismatic, can be pre-
If earthquake protection grade, shock insulation cost is significantly reduced.
(4) length for presetting the precompressed cable wire is predeterminable antivibrator early stage rigidity, but the rubber air spring has
Effect active length is constant, will not change the original characterisitic parameter of rubber air spring.
Description of the drawings
Fig. 1～7 are the structural representation of a specific embodiment of antivibrator of the present invention, and wherein, Fig. 1 is front view
(section view), Fig. 2 is the A-A sectional view of Fig. 1, and Fig. 3 is the B-B sectional view of Fig. 1, and it is local I in Fig. 1 that Fig. 4 is upward view, Fig. 5
Enlarged drawing, Fig. 6 is the enlarged drawing of local II in Fig. 1, and Fig. 7 is the enlarged drawing of local III in Fig. 2.
Fig. 8～13 are the structural representation of second specific embodiment of antivibrator of the present invention, and wherein, Fig. 8 is main view
Figure (section view), Fig. 9 is the C-C sectional view of Fig. 8, and Figure 10 is the D-D sectional view of Fig. 8, and it is office in Fig. 8 that Figure 11 is upward view, Figure 12
The enlarged drawing in portion IV, Figure 13 is the enlarged drawing of local V in Fig. 9.
Figure 14～16 are the structural representation of cable wire self-locking anchorage in the illustrated embodiment of Fig. 8～13, and wherein Figure 14 is main view
Figure (sectional view, precompressed cable wire is illustrated in figure double dot dash line), Figure 15 is E-E sectional view of top view, the Figure 16 for Figure 14.
Figure 17～21 are the structural representation of 3rd specific embodiment of antivibrator of the present invention, wherein, based on Figure 17
View (section view), Figure 18 is the F-F sectional view of Figure 17, and Figure 19 is the G-G sectional view of Figure 17, and Figure 20 is the H-H sectional view of Figure 17,
Figure 21 is upward view.
Specific embodiment
Example 1
Referring to Fig. 1, the predeterminable rubber air spring antivibrator of the early stage rigidity in this example is that one kind can be used for building knot
The energy-dissipating device of structure seismic hardening, it includes fairlead 1, the first end cap 2 for being respectively provided at 1 two of fairlead and the second end cap 3,
Wherein, first end cap 2 with and the second end cap 3 be fixedly connected with the two ends of fairlead by screw respectively.Described guiding
A rubber air spring 4 is provided with vertically in set 1, it is intrinsic pressure that a drive member puts in described fairlead 1 by 2 center of the first end cap
On the rubber air spring 4；Wherein, described drive member is by being located at 4 upper end of rubber air spring and move with fairlead 1
The dynamic pressure plate 5 of cooperation and the drive rod 5-1 for extending upward fairlead 1 by 5 upper surface of dynamic pressure plate are constituted, the drive rod 5-1
End outside fairlead 1 is provided with connection ring 5-2 with hinge hole 14, and connection ring 5-2 passes through screw thread with drive rod 5-1
The mode of connection is docking together.
Referring to Fig. 1～3 and Fig. 6 is combined, the cyst wall 4-1 of the rubber air spring 4 in this example is chained together by three
Bent capsule is formed, and outside the transition position of any two adjacent bent capsules, armlet is provided with girdle ring 4-2, and described cyst wall 4-1 two is by Seal end plate
4-3 is sealed, and Seal end plate 4-3 is connected flange 4-4 by the edge clamping of cyst wall 4-1 end between, the capsule
Compressed air is filled with wall 4-1.The external diameter of the rubber air spring 4 between forms one less than the internal diameter of fairlead 1
Annular space.
Referring to Fig. 1 and 4, the outside of second end cap 3 is provided with two connection otic placodes 13, Mei Yilian being connected therewith
Ear connecting plate 13 is provided with hinge hole 14.
Referring to Fig. 1～7, in described fairlead 1, backpressure device is provided with, the backpressure device includes two groups of precompressed cable wires and two
Block floating platen；Wherein, two groups of described precompressed cable wires are first group of precompressed cable wire 8 being made up of three precompressed cable wires and by five
Second group of precompressed cable wire 9 of root precompressed cable wire composition；Two pieces of described floating platens are the dynamic pressure plate 5 for being located at the drive member
The first floating platen 6 between rubber air spring 4 and second floating of being located between the second end cap 3 and rubber air spring 4
Dynamic pressure plate 7, two pieces of floating platens are moved with the inwall of fairlead 1 respectively and are coordinated.
Referring to Fig. 1～7, two groups of precompressed cable wires are distributed in described respectively with linear state around 1 axisymmetrical of fairlead
In annular space, each precompressed cable wire is each parallel to 1 axis of fairlead, and first group of precompressed cable wire 8 is away from fairlead axis
Distance is equal to distance of second group of precompressed cable wire 9 away from fairlead axis；Wherein, the following difference of first group of precompressed cable wire 8
It is fixed on the second floating platen 7 by lifting bolt 12, top is each passed through the first floating platen 6 and is fixed on by lifting bolt 12
On the dynamic pressure plate 5；The top of second group of precompressed cable wire 9 is fixed on the first floating platen 6 by lifting bolt 12 respectively,
Following is fixed on the second end cap 3 through the second floating platen 7 by lifting bolt 12；Each on first floating platen 6
The position that first group of precompressed cable wire 8 of root is passed through is provided with the first through hole 10 that passes through for which, and the aperture of the first through hole 10 is more than institute
State the diameter of first group of precompressed cable wire 8；The position for passing through in each second group of precompressed cable wire 9 on second floating platen 7
The second through hole 11 for passing through for which is provided with, the aperture of second through hole 11 is more than the diameter of second group of precompressed cable wire 9；Described
The method that is fixed on by lifting bolt in respective members of two of precompressed cable wire be：Lifting bolt 12 is fixed on corresponding structure
On part, then one of precompressed cable wire is to be connected on the suspension ring of lifting bolt, and fixing by rope cramp (in figure is not drawn into)
Extremely.
Described precompressed cable wire in this example can be steel wire rope, or prestressing force steel hinge line, when being embodied as, can
Voluntarily choose according to actual needs.
Referring to Fig. 1～3 and Fig. 6, the relative surface of first floating platen 6 and the second floating platen 7 is equipped with internal diameter
The locating ring 15 for matching with the Seal end plate 4-3 external diameter of rubber air spring 4, the sealing at 4 two of the rubber air spring
End plate 4-3 is embedded in the locating ring 15 on the first floating platen 6 and the second floating platen 7 respectively.
In order to realize the purpose of predeterminable early stage rigidity, the installation of above-mentioned two precompressed cable wire and tensioning method are as described below：
(1) first 4 decrement of rubber air spring is determined according to the characteristic curve of default early stage rigidity and rubber air spring 4, and then
Calculate the length of each first group of precompressed cable wire 8 and second group of precompressed cable wire 9；(2) Fig. 1～3 are pressed by rubber air spring
4th, backpressure device and drive member are connected, and then adjusting repeatedly makes physical length and the computational length phase of each precompressed cable wire
Deng and fixing dead with common cable wire folder (in figure do not show), by rubber air spring 4 be clamped in all the time the first floating platen 6 with
Between second floating platen 7；(3) put fairlead 1, and cover the first end cap 2 with and the second end cap 3, finally by connection ring 5-2
Dock with drive rod 5-1, obtain final product the predeterminable rubber air spring antivibrator of described early stage rigidity.
Referring to Fig. 1, two groups of precompressed cable wires pull two pieces of floating platens respectively and compress the rubber air spring 4 for which
To provide precompression, the length for changing precompressed cable wire is the size of scalable precompression, and then reaches the mesh of default its rigidity early
's.When antivibrator is subject to the external load of axial direction, no matter external load is pressure or pulling force, as long as which is less than above-mentioned precompressed
Power, rubber air spring 4 will not continue to deformation.When external load is more than the precompression, if external load is pressure,
The dynamic pressure plate 5 promotes first floating platen 6 to continue compressing rubber air spring 4 and produces elastic deformation power consumption, if outside
Load is pulling force, and two groups of precompressed cable wires pull two pieces of floating platen relative movement compressing rubber air springs 4 respectively and produce
Elastic deformation consumes energy.Because no matter the dynamic loading suffered by antivibrator is for drawing or pressing, the final deformation for producing is all same rubber
The compression of air spring 4, so the bidirectional elastic deformation of antivibrator is necessarily symmetrical.
Example 2
This example has following difference with example 1：
Referring to Fig. 8～10, first group of precompressed cable wire 8 and second group of precompressed cable wire 9 are constituted by three cable wires.
Referring to Fig. 8～13, the described top of first group of precompressed cable wire 8 and the following of second group of precompressed cable wire 9 are adopted respectively
It is fixed on the dynamic pressure plate 5 and the second end cap 3 with the lifting bolt in 16 alternative 1 of cable wire self-locking anchorage.
Referring to Figure 14～16, and Fig. 7 is combined, described cable wire self-locking anchorage 16 is by the installation being arranged on installing plate 16-1
Hole, jaw 16-2 and check bolt 16-4 are constituted, and wherein, the installing plate 16-1 is dynamic pressure plate 5 or the second end cap 3.Described
Installing hole the straight line that is located with corresponding precompressed cable wire of axis conllinear；Described installing hole is by one section of taper hole and a screwed hole
Composition, the wherein taper hole are located at the side near floating platen, and tip points to the floating platen, and screwed hole is located remotely from
The opposite side of floating platen.Described jaw 16-2 is the cone for matching with the taper hole, and is made up of 3 lobes, and which is internal
Clamping hole 16-3 for clamping corresponding precompressed cable wire is provided with along axis.Described check bolt 16-4 is matched with the screwed hole,
And the circular hole 16-5 with diameter greater than corresponding precompressed rope diameter is provided with along axis in vivo.Described jaw 16-2 is arranged on the cone
In the hole, check bolt 16-4 is arranged on the screw thread in the hole, turns check bolt 16-4 and the jaw 16-2 can be promoted to pass through
The corresponding precompressed cable wire clamping of clamping hole 16-3 is simultaneously locked；The end of corresponding cable wire is from corresponding check bolt 16-4's
Circular hole 16-5 is passed.
Make by the scheme of this example and assemble after the antivibrator, pre- to the first group of precompressed cable wire 8 for exposing and second group
The fag end system of compressed steel rope 9 is connected on traction stretching machine, monitors the decrement of rubber air spring 4 (i.e. while tensioning is drawn
For tensioning distance), to determine the distance between two pieces of floating platens；When the distance between two pieces of floating platens are equal to rubber
When air spring 4 is compressed to the length for meeting early stage rigidity, by turning check bolt 16-4, promote the jaw 16-2 pre-
Compressed steel cord clip is tight and locked, so as to by rubber air spring 4 be clamped in all the time the first floating platen 6 and the second floating platen 7 it
Between.
This example implementation other than the above is same as Example 1.
Example 3
Referring to Figure 17～21, the predeterminable rubber air spring antivibrator of the early stage rigidity in this example can be used to build for one kind
The isolation mounting (also referred to as shock isolating pedestal) of thing vertical earthquake isolating is built, this example is main compared with example 2 to have following difference：
1st, as shock isolating pedestal, for ease of installing, set on second end cap 3 connection otic placode in example 2 is eliminated in this example,
And the second end cap 3 is first extended axially downwards from edge and is extended radially outwards again, and link bolt hole is uniformly provided with edge
18, using the second end cap 3 as the base of shock isolating pedestal, the length for wherein extending axially downwards need to be more than the cable wire self-locking anchorage
16 length for being exposed at 3 Outboard Sections of the second end cap.The drive rod 5-1 of the drive member is passed through with 5 upper surface of dynamic pressure plate for one
The metal tube that bolt is fixedly connected, the end that the metal tube is located at outside fairlead 1 is provided with connection supporting plate 17, and, the connection support
Link bolt hole 18 is again provided with plate 17.
2nd, the cyst wall 4-1 of the rubber air spring 4 is made up of the bent capsule that two are cascaded；First group of precompressed
Cable wire 8 and second group of precompressed cable wire 9 are made up of five cable wires respectively.
This example other embodiment other than the above is same as Example 2.
Claims (6)
1. the predeterminable rubber air spring antivibrator of a kind of early stage rigidity, the rubber air spring antivibrator includes fairlead,
One of the fairlead is provided with the first end cap, and other end is provided with the second end cap；Spring is coaxially provided with described fairlead, one drives
Dynamic component is put in described fairlead by the outside of the first end cap, and the drive member includes dynamic pressure plate and drive rod, wherein institute
The dynamic pressure plate that states is located at the head of the spring, and the drive rod is located on dynamic pressure plate and extends guiding along fairlead axis
Set；Characterized in that,
Described spring is rubber air spring, and the external diameter of the rubber air spring is less than the internal diameter of fairlead, therebetween shape
Become an annular space；
Backpressure device is additionally provided with described fairlead, the backpressure device includes that quantity is at least two groups of pre- compressed steel of three respectively
Rope and two pieces of floating platens, wherein,
One piece of described floating platen is located between the dynamic pressure plate and rubber air spring, and another piece is located at the second end cap and rubber
Between glue air spring；
Two groups of described precompressed cable wires are symmetrically distributed in the annular space with linear state rotating around the axis of fairlead, and
One of one group of precompressed cable wire is separately fixed on the floating platen adjacent with the second end cap, and other end passes through adjacent with dynamic pressure plate
Floating platen be separately fixed on dynamic pressure plate, of another group of precompressed cable wire is separately fixed at the floating adjacent with dynamic pressure plate
On pressing plate, other end is separately fixed on the second end cap through the floating platen adjacent with the second end cap；
On described floating platen, the through hole for wearing the precompressed cable wire is respectively equipped with the position for passing through the precompressed cable wire, should
The aperture of through hole is more than the diameter of worn precompressed cable wire；
Dynamic cooperation is respectively adopted between described fairlead and two pieces of floating platens；
Two groups of precompressed cable wires of tensioning, are equal to the distance between two pieces of floating platens and rubber air spring are compressed to default early stage
The length of rigidity.
2. the predeterminable rubber air spring antivibrator of a kind of early stage rigidity according to claim 1, it is characterised in that should
The predeterminable rubber air spring antivibrator of early stage rigidity is the antivibrator that reinforces for building structure aseismatic.
3. the predeterminable rubber air spring antivibrator of a kind of early stage rigidity according to claim 1, it is characterised in that should
The predeterminable rubber air spring antivibrator of early stage rigidity is the vertical earthquake isolating equipment for Antiseismic building.
4. a kind of predeterminable rubber air spring antivibrator of early stage rigidity according to claim 1,2 or 3, its feature exists
In described precompressed cable wire is steel wire rope or prestressing force steel hinge line.
5. a kind of predeterminable rubber air spring antivibrator of early stage rigidity according to claim 4, it is characterised in that institute
The other end of the two groups of precompressed cable wires that states is separately fixed on dynamic pressure plate and the second end cap by cable wire self-locking anchorage；Described steel
Suo Zisuo anchorage is made up of installing hole, jaw and check bolt, wherein,
Described installing hole is located on dynamic pressure plate or the second end cap；Described installing hole is by one section of taper hole and one section of screwed hole group
Become, wherein the taper hole is located at the side near floating platen, and tip points to the floating platen, and screwed hole is located remotely from floating
The side of dynamic pressure plate；
Described jaw is to match cone with the taper hole, and is made up of 3～5 lobes, and which is provided with clamping phase along axis in vivo
Answer the clamping hole of precompressed cable wire；
Described check bolt is matched with the screwed hole, and is provided with along axis in vivo straight with diameter greater than described precompressed cable wire
The circular hole in footpath；
Described jaw is in the taper hole, and check bolt is arranged on the screw thread in the hole.
6. a kind of predeterminable rubber air spring antivibrator of early stage rigidity according to claim 5, it is characterised in that institute
State and a locating ring on two pieces of relative surfaces of floating platen, is respectively equipped with, two of the rubber air spring is embedded in described respectively
Locating ring in.
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| CN201610906593.7A CN106438812B (en) | 2016-10-17 | 2016-10-17 | A kind of rubber air spring damper that early stage rigidity is predeterminable |
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| CN201610906593.7A CN106438812B (en) | 2016-10-17 | 2016-10-17 | A kind of rubber air spring damper that early stage rigidity is predeterminable |
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| CN106438812B CN106438812B (en) | 2018-07-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107218329A (en) * | 2017-06-16 | 2017-09-29 | 重庆朗福环保科技有限公司 | A kind of rubber air spring and its application |
| CN112303171A (en) * | 2019-07-31 | 2021-02-02 | 比亚迪股份有限公司 | Air spring and vehicle with same |
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| JP2005307724A (en) * | 2004-04-23 | 2005-11-04 | Eiyuai:Kk | Earthquake-resistant foundation using synthetic rubber, piano wire and steel plate |
| CN202298970U (en) * | 2011-09-30 | 2012-07-04 | 福州大学 | Device having three-dimensional seismic isolation and anti-turnover structure |
| CN103161864A (en) * | 2013-03-15 | 2013-06-19 | 重庆大学 | Three-directional friction adjustable strong-impact-resisting vibration isolator |
| CN103437447A (en) * | 2013-09-10 | 2013-12-11 | 隔而固(青岛)振动控制有限公司 | Low-frequency swing-type tuned mass damper |
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| GB1414810A (en) * | 1971-12-23 | 1975-11-19 | Allinquant F M | Hydraulic dampers of the telescopic type |
| JP2005307724A (en) * | 2004-04-23 | 2005-11-04 | Eiyuai:Kk | Earthquake-resistant foundation using synthetic rubber, piano wire and steel plate |
| CN202298970U (en) * | 2011-09-30 | 2012-07-04 | 福州大学 | Device having three-dimensional seismic isolation and anti-turnover structure |
| CN103161864A (en) * | 2013-03-15 | 2013-06-19 | 重庆大学 | Three-directional friction adjustable strong-impact-resisting vibration isolator |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107218329A (en) * | 2017-06-16 | 2017-09-29 | 重庆朗福环保科技有限公司 | A kind of rubber air spring and its application |
| CN112303171A (en) * | 2019-07-31 | 2021-02-02 | 比亚迪股份有限公司 | Air spring and vehicle with same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106438812B (en) | 2018-07-20 |
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Denomination of invention: A rubber air spring damper with preset early stiffness Effective date of registration: 20230510 Granted publication date: 20180720 Pledgee: Anhui Guangde Rural Commercial Bank Co.,Ltd. Qiuchun Branch Pledgor: ANHUI LONGXING SEALING ELEMENT CO.,LTD. Registration number: Y2023980040281 |
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