CN106286663A - A kind of disk spring antivibrator of scalable rigidity in early days - Google Patents
A kind of disk spring antivibrator of scalable rigidity in early days Download PDFInfo
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- CN106286663A CN106286663A CN201610902601.0A CN201610902601A CN106286663A CN 106286663 A CN106286663 A CN 106286663A CN 201610902601 A CN201610902601 A CN 201610902601A CN 106286663 A CN106286663 A CN 106286663A
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- disk spring
- antivibrator
- cable wire
- precompressed cable
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- 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
- F16F3/00—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic
- F16F3/02—Spring units consisting of several springs, e.g. for obtaining a desired spring characteristic with springs made of steel or of other material having low internal friction
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- Vibration Prevention Devices (AREA)
Abstract
The invention discloses the disk spring antivibrator of a kind of scalable rigidity in early days, it is characterized in that, it is additionally provided with backpressure device between the two end plates of this antivibrator, this backpressure device includes quantity two groups of precompressed cable wires of at least three respectively and two pieces of floating platens, wherein, two pieces of described floating platens are respectively sleeved on the guide post between one piece of end plate and disk spring group；Two groups of described precompressed cable wires are symmetrically distributed in the surrounding of described disk spring group rotating around the axis of guide post with linear state, and, one of each group of precompressed cable wire is separately fixed on one piece of floating platen, and other end is each passed through another block floating platen and is anchored on the end plate adjacent with this another block floating platen by cable wire self-locking tensioning anchorage；Two groups of precompressed cable wires described in tensioning, are clamped in all the time by disk spring group between two pieces of floating platens.
Description
Technical field
The present invention relates to damping device, particularly relate to use the antivibrator of disk spring.
Background technology
Antivibrator is a kind of damping device to provide the resistance of motion to carry out depletion kinergety.Antivibrator is utilized to carry out energy-absorbing
Damping is a kind of conventional art being widely used in space flight, aviation, military project, firearms and automobile and other industries.From twentieth century
Since the seventies, the technology utilizing antivibrator energy-absorbing damping is applied to building, bridge, railway etc. that people start progressively are tied
In structure engineering.And disk spring antivibrator is widely used in its impact resistance height, low cost, the characteristic of good damping effect
In the anti-seismic structure of various buildings.
People combine with " consumption " for the design pursuit a kind of " resisting " of the anti-seismic structure of building especially skyscraper
Comprehensive anti-seismic performance, i.e. shake and under the effect of small earthquake, anti-seismic structure can provide extra additional for building main body at weak wind
Rigidity resists the effect of external load, keeps the integrity of agent structure, it is to avoid internal injury occurs in main structure body, and by force
Wind shakes and under the effect of violent earthquake, anti-seismic structure then starts yield deformation, is come by the damping action of the antivibrator in anti-seismic structure
Dissipation external energy, makes main structure body shake at high wind and be unlikely to be seriously damaged in violent earthquake and even collapses, it is ensured that people's
Safety of life and property.This just requires that being applied to anti-seismic structure can keep rigidity under the effect of outside weak load, does not becomes
Shape, then can deform power consumption under the effect of the strong load in outside.But existing spring-damper also cannot meet above-mentioned antidetonation need
Asking, any spring-damper all can produce elastic deformation more or less under the effect of external load.The most above-mentioned people institute
The performance of the Antiseismic building structure pursued is difficulty with.
It addition, the effect of seismic wave is multidirectional randomness, i.e. the size direction and the frequency that act on power on building are all
Random, thus be accordingly used in the antivibrator of antidetonation and need to meet following two and require: one is that the characteristic frequency of antivibrator is defeated with earthquake
The resonance frequency domain entering excitation staggers, and two is that the characteristic frequency of antivibrator to stagger with the characteristic frequency of building or building structure.
According to the theory analysis of " Analysis of Basic Characteristic Parameters of Disk Springs " author Yi Xianzhong, the natural frequency of vibration of monolithic disk spring(in formula, KpFor rigidity, msFor the quality of disk spring, m is the quality of object of being connected with disk spring, ξ
For equivalent quality transformation ratio) [seeing, " petroleum machinery " magazine, volume 23 the 3rd phase the 10th nineteen ninety-five is to waiting page 22], it is seen then that when
After the quality of disk spring and the Quality Design of the object that is connected with disk spring determine, the disk spring natural frequency of vibration square with upper
The rigidity of disk spring is directly proportional.
The application for a patent for invention of Publication No. CN1932324A discloses one, and " adjustable disc-shape spring mechanical damping hinders
Buddhist nun's device ", this antivibrator includes shell, sets load connecting rod in the enclosure and two groups of disk springs, described, and described load connects
The middle part of bar is provided with the regulation gear being connected therewith, the load connecting rod of described regulation gear both sides is respectively equipped with load even
The left-handed nut of extension bar threaded engagement and right-handed nut, described two groups of disk springs are respectively provided at described left-handed nut and dextrorotation spiral shell
Female outside, and be clamped in respectively between described left-handed nut or right-handed nut and the shrouding of outer casing end.Described scalable
Disc-shape spring mechanical damper, only needs the regulation gear in switch load connecting rod, makes described left-handed nut and dextrorotation
Nut is mutually drawn close or away from the pretightning force of i.e. two groups of disk springs of scalable thus the damped coefficient of damping adjusting device, to meet
The use demand of different frequency and various amplitude.But this invention still has a following deficiency:
1, described load connecting rod is to keep balance under the common effect of two groups of disk springs, two groups of disk springs
Although pretightning force can regulate, but in any case regulation, two groups of disk springs are all one group to the active force of load connecting rod
Power equal in magnitude, in opposite direction, only need to apply any external force in load connecting rod all can destroy this balance, makes two groups of dish
Shape spring deforms, so described antivibrator cannot preset rigidity in early days；
2, dependence changes the damped coefficient of disk spring to two groups of disk spring precompressed, and this change is extremely limited, this
The equivalent stiffness range of accommodation causing antivibrator is little, often cannot meet the architectural vibration-insulation requirement for frequency；
3, this invention all could must be provided when load is pressed or drawn to antivibrator with the use of two groups of disk springs
Damping, this not only causes certain waste, also makes the length of antivibrator greatly add, be not suitable for some installing spaces
Compact occasion uses.
The application for a patent for invention of Publication No. CN101457553A discloses one, and " spring stiffness adjustable tuning quality subtracts
Shake device ", this 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 changing spring, its
The means of effective active length of middle change spring have three kinds, and one is use curing materials that spring is positioned at solidification cylinder one section
Solidification, two toward constraint block of filling in intracardiac in helical spring, and the two interference fit, makes the one section of spring contacted with constraint block
Losing efficacy, three is in constraint block surface configuration helical raised, helical raised is stuck between spring wire, makes to block between spring wire
There is one section of spring failure of helical raised.As can be seen here, although the spring in this patent application scheme can change rigidity, but institute
The spring stated not only effectively active length substantially shortens, and can only compress passive energy dissipation, it is impossible to stretching passive energy dissipation.
Summary of the invention
The technical problem to be solved is to provide the disk spring antivibrator of a kind of scalable rigidity in early days, this dish
Shape spring-damper not only maintains effective active length of disk spring group, and the most compressible passive energy dissipation, the most stretchable
Passive energy dissipation.
The present invention solves the technical scheme of above-mentioned technical problem:
The disk spring antivibrator of a kind of scalable rigidity in early days, this disk spring antivibrator includes two end plates, described
Two end plates between be provided with disk spring group, one of end plate is provided with guide post, and this guide post is along described disk spring
The centre bore of group passes another end plate；Described disk spring group is made up of one group of disk spring overlapping；It is characterized in that,
Being additionally provided with backpressure device between described two end plates, this backpressure device includes that quantity is at least the two of three respectively
Group precompressed cable wire, two pieces of floating platens and the cable wire self-locking tensioning anchorage that quantity is described two groups of precompressed cable wire quantity sums, its
In,
Described floating platen is respectively sleeved on the guide post between one piece of end plate and disk spring group；
Described cable wire self-locking tensioning anchorage is by the first self-centering locking fixture, the second self-centering locking fixture, anti-torsion pressure
Contracting spring and plane bearing composition, wherein:
A) the first self-centering locking fixture described in has a connecting seat, and the middle part of this connection seat one end is provided with axially extending
Cylindrical boss, the internal of this boss is provided with the first taper jaw being made up of 3-5 claw sheet along axial line, and outer peripheral face is sheathed
There is tensioning swivel nut；Wherein, the microcephaly of described first tapered clamp points to connection seat, and the outer peripheral face of described tensioning swivel nut is positive six limits
Shape；
B) the second self-centering locking fixture described in has a tapered sleeve, and the internal of this tapered sleeve is sequentially provided with by 3-5 along axis
Second taper jaw and hollow bolt of claw sheet composition, wherein, the head of described hollow bolt and the second taper jaw
Major part is relative, and the outer peripheral face of described tapered sleeve is regular hexagon；
C) plane bearing described in is by the ball retainer assembly end face relative with tapered sleeve with being respectively provided at tensioning swivel nut
On ring raceway constitute, wherein said ring raceway matches with the ball in ball retainer assembly；
D) described second self-centering locking fixture is positioned at the outside of described tensioning swivel nut head, and the second taper jaw microcephaly
Sensing with the first taper jaw microcephaly is consistent；Described plane bearing is between described tensioning swivel nut and tapered sleeve, described
Anti-torsion compression spring is located in the endoporus of tensioning swivel nut；Compression is turned round through anti-between precompressed cable wire is by the calvus of the first taper jaw
After passing between the calvus of spring and the centre bore of plane bearing and the second taper jaw, under precompressed cable tension effect,
One of described anti-torsion compression spring acts on the first taper jaw, and other end acts on tapered sleeve；
Two groups of described precompressed cable wires are symmetrically distributed in described disk spring rotating around the axis of guide post with linear state
The surrounding of group, and, of each group of precompressed cable wire is separately fixed on one piece of floating platen, and other end is each passed through another block
Floating platen is anchored on the end plate adjacent with this another block floating platen by described cable wire self-locking tensioning anchorage；
It is being respectively equipped with, on described floating platen, the through hole wearing this precompressed cable wire through the position of described precompressed cable wire,
The aperture of this through hole is more than the diameter of worn precompressed cable wire；
Two groups of precompressed cable wires of tensioning, make the distance between two pieces of floating platens equal to being compressed to disk spring group preset early
The length of phase rigidity.
In such scheme, described precompressed cable wire can be steel wire rope, it is also possible to be prestressing force steel hinge line.
The disk spring antivibrator of scalable of the present invention rigidity in early days, wherein said precompressed cable wire and pressure of floating
The method anchoring that can use routine that plate connects, it is possible to use and be similar to lifting bolt or by the U-shaped component of bar bending
System connects fixing.
The normal work of antivibrator, the one of the present invention is affected in disk spring group for preventing dust and other foreign material from falling
Individual improvement project is: outside described backpressure device, bag is provided with the protection set of one layer of rubber, two of this protection set respectively with two pieces
The outer peripheral face of floating platen bonds together.
Antivibrator of the present invention can be widely used for various one-dimensional shock insulation field, e.g., plant equipment internal vibration every
From, equipment Foundations shock insulation, the seismic hardening of building structure, isolation seism building base etc..
Antivibrator of the present invention has the advantages that
(1) only need one group of disk spring that antivibrator no matter suffered axial force just can be made to be forward or reverse, all can produce
Give birth to elastic deformation and consume energy, not only save one group of disk spring, and greatly shorten the length of antivibrator.
(2) when the defensive ability/resistance ability of early stage rigidity set by dynamic loading is more than antivibrator, bidirectional elastic deformation symmetry, because of in addition
The effect that the change of the positive negative direction of power load does not affect its compression and consumes energy.
(3) length changing precompressed cable wire can change the early stage rigidity of whole antivibrator, when early stage rigidity is more than zero,
External force cannot make antivibrator be deformed before overcoming this early stage rigidity, when therefore using it for building structure aseismatic, and can be pre-
If earthquake protection grade, significantly reduce shock insulation cost.
(4) the most predeterminable antivibrator of the length rigidity in early days of described precompressed cable wire is preset, and in described disk spring group
Not having a disk spring to lose efficacy, i.e. effectively active length is constant, will not change the original characterisitic parameter of disk spring group.
(5) using cable wire self-locking tensioning anchorage to be fixed on end plate the other end of precompressed cable wire, one is can be to pre-compressed steel
The length of rope is adjusted, and two is to utilize anti-torsion compression spring and the synergy of the first self-centering locking fixture, can be the most anti-
Only precompressed cable wire twists during carrying out length adjustment and changes the characterisitic parameter of cable wire.
Accompanying drawing explanation
Fig. 1～7 is 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 Fig. 4 is top view, and Fig. 5 is upward view, and Fig. 6 is
The enlarged drawing of local I in Fig. 1, Fig. 7 is the enlarged drawing of local II in Fig. 2.
Fig. 8～12 is Fig. 1～the structural representation of cable wire self-locking tensioning anchorage in 7 illustrated embodiments, and wherein, Fig. 8 is main
View (section view), in figure, dotted line represents precompressed cable wire, and Fig. 9 is upward view, and Figure 10 is the C-C profile of Fig. 8, and Figure 11 is Fig. 8's
D-D profile, Figure 12 is the E-E sectional view of Fig. 8.
Figure 13～17 is the structural representation of second specific embodiment of antivibrator of the present invention, wherein, Tu13Wei
Front view (section view), Figure 14 is the F-F sectional view of Figure 13, and Figure 15 is the G-G sectional view of Figure 13, and Figure 16 is top view, Tu17Wei
Upward view；For ease of observing, Figure 14～17 all conceals protection set.
Figure 18～22 is the structural representation of 3rd specific embodiment of antivibrator of the present invention, and wherein, Figure 18 is main
View (section view), Figure 19 is the H-H sectional view of Figure 18, and Figure 20 is the I-I sectional view of Figure 18, and Figure 21 is top view, and Figure 22 is for facing upward
View；For ease of observing, Figure 19～20 all conceals protection set.
Detailed description of the invention
Example 1
Seeing Fig. 1 and 5, in this example, the disk spring antivibrator of scalable in early days rigidity is that one can be used for building structure and resists
The antivibrator that shake is reinforced, this antivibrator includes discoid upper head plate 2 and bottom plate 3, is provided with disk spring between upper and lower end plate
Group 4, wherein upper head plate 2 is provided with guide post 1, and this guide post 4 passes bottom plate 3 down along the centre bore of disk spring group 4；Institute
The disk spring group 4 stated is made up of 16 pieces of disk spring overlappings, and described bottom plate 3 is dynamic with described guide post 1 to be coordinated.
Seeing Fig. 1,4 and Fig. 5, the upper surface of described upper head plate 2 and the lower surface of bottom plate 3, to be respectively equipped with two bands hinged
The connection otic placode 11 in hole 12.And the set hinge hole 12 connected on otic placode 11 and the distance of bottom plate 3 are more than described on bottom plate 3
Guide post 1 end passes the length of bottom plate 3 lower surface, is formed and supply between this two hinge hole 12 and lower surface of bottom plate 3
The activity space that guide post 1 end is flexible.
See Fig. 1～7, between described upper head plate 2 and bottom plate 3, be provided with backpressure device, this backpressure device include two groups pre-
Compressed steel rope, two pieces of floating platens and eight cable wire self-locking tensioning anchorages 14；Wherein, two groups of described precompressed cable wires are pre-by five
First group of precompressed cable wire 8 of compressed steel rope composition and second group of precompressed cable wire 7 being made up of three precompressed cable wires；Described two pieces float
Dynamic pressure plate is the first floating platen 6 being set on the guide post 1 between described bottom plate 3 and disk spring group 4 and is set in
The second floating platen 5 on guide post between upper head plate 2 and disk spring group 4, these two pieces of floating platens and described guide post 1
Outer surface dynamic coordinate.
Seeing Fig. 8～12, each cable wire self-locking tensioning anchorage 14 is by the first self-centering locking fixture, the second self-centering locking
Fixture, anti-torsion compression spring 14-1 and plane bearing 14-2 composition, wherein:
The first described self-centering locking fixture has a connecting seat 14-3, and the edge of this connection seat 14-3 is provided with installing hole
14-12, the middle part of lower end is provided with axially extended cylindrical boss 14-4, and the internal of this boss 14-4 is provided with first along axial line
Taper hole 14-5, is provided with the first taper jaw 14-7 being made up of 3 claw sheets in this taper hole, the outer peripheral face of described boss 14-4 is sheathed
There is tensioning swivel nut 14-6, the most threaded；Wherein, the microcephaly of described first tapered clamp 14-7 points to connection seat 14-3,
The outer peripheral face of described tensioning swivel nut 14-6 is regular hexagon；
The second described self-centering locking fixture has a tapered sleeve 14-8, internal being sequentially provided with along axis of this tapered sleeve 14-8
One section of second taper hole 14-13 and one section of screwed hole；Wherein, it is provided with, in the second taper hole 14-13, the second taper being made up of 3 claw sheets
Jaw 14-9, is provided with head and the second taper jaw 14-of hollow bolt 14-10, hollow bolt 14-10 in described screwed hole
The major part of 9 is relative, and the outer peripheral face of described tapered sleeve 14-8 is regular hexagon；
Described plane bearing 14-2 is by ball retainer assembly 14-11 and is respectively provided at tensioning swivel nut 14-6 and tapered sleeve
Ring raceway on the end face that 14-8 is relative is constituted, in wherein said ring raceway and ball retainer assembly 14-11
Ball matches；
Described second self-centering locking fixture is positioned at the outside of tensioning swivel nut 14-6 head, and the second taper jaw 14-9
Microcephaly is consistent with the sensing of the first taper jaw 14-7 microcephaly；Described plane bearing 14-2 be positioned at described tensioning swivel nut 14-6 with
Between tapered sleeve 14-8, described anti-torsion compression spring 14-1 is located in the endoporus of tensioning swivel nut 14-6.When precompressed cable wire is by first
Through centre bore and second tapered clamp of anti-torsion compression spring 14-1 and plane bearing 14-2 between the calvus of taper jaw 14-7
After passing between the calvus of pawl 14-9, under precompressed cable tension effect, one of described anti-torsion compression spring 14-1 acts on
On first taper jaw 14-7, other end acts on tapered sleeve 14-8.
Seeing Fig. 1～7, described two groups of precompressed cable wires are distributed in described with linear state respectively around guide post 1 axisymmetrical
The surrounding of disk spring group 4, each precompressed cable wire is each parallel to guide post 1 axis, and first group of precompressed cable wire 8 is away from guide post
The distance of axis is equal to second group of precompressed cable wire 7 distance away from guide post axis；Wherein, described first group of precompressed cable wire 8 is upper
Head is fixed on the second floating platen 5 by lifting bolt 13 respectively, and following is each passed through the first floating platen 6 by a cable wire certainly
Lock tensioning anchorage 14 is anchored on described bottom plate 3；The following of described second group of precompressed cable wire 7 is fixed by lifting bolt 13 respectively
On the first floating platen 6, top is anchored at upper head plate 2 through the second floating platen 5 by a cable wire self-locking tensioning anchorage 14
On；It is provided with in the position that each first group of precompressed cable wire 8 passes on described first floating platen 6 for its first through hole passed through
10, the aperture of this first through hole 10 is more than the diameter of described first group of precompressed cable wire 8, at each the on described bottom plate 3
The position that one group of precompressed cable wire 8 passes is provided with the first anchor hole 3-1 anchoring this first group of precompressed steel wire rope 8；Described second floats
The position passed at each second group of precompressed cable wire 7 on dynamic pressure plate 5 is provided with for its second through hole 9 passed through, this second through hole 9
Aperture more than the diameter of described second group of precompressed cable wire 7, described upper head plate 2 is worn at each second group of precompressed cable wire 7
The position crossed is provided with the second anchor hole 2-1 anchoring this second group of precompressed steel wire rope 7；One of described precompressed cable wire by suspension ring
The method that screw is fixed in respective members is: be fixed on corresponding component by lifting bolt 13, then by precompressed cable wire
One is to be connected on the suspension ring of lifting bolt, and fixing dead by rope cramp (being not drawn in figure).
See Fig. 1, the connection seat 14-3 of described cable wire self-locking tensioning anchorage 14 and be fixed on the lower surface of bottom plate 3 by screw
Or the upper surface of upper head plate 2.
Described precompressed cable wire in this example can be steel wire rope, it is also possible to be prestressing force steel hinge line, when being embodied as, and can
Choose the most voluntarily.
See Fig. 1～7 and combine Fig. 8～12, in order to realize presetting the purpose of rigidity in early days, above-mentioned two groups of precompressed cable wires
Install and tensioning method be as described below: (1) first early stage rigidity preset according to antivibrator and the characterisitic parameter of disk spring group 4,
Calculate length when disk spring group 4 meets antivibrator in early days rigidity；(2) by Fig. 1, described antivibrator is assembled, make each
The other end of root precompressed cable wire is from the first taper jaw 14-7 of corresponding cable wire self-locking tensioning anchorage 14, the second taper jaw
The centre bore of 14-9 and hollow bolt 14-10 passes；Then, (3) are connected on traction the fag end system of the precompressed cable wire exposed
In machine drawing, and monitor the distance between two pieces of floating platens while traction stretch-draw；Distance between two pieces of floating platens
Equal to when disk spring group 4 is compressed to the length meeting rigidity in early days, moves forward the second self-centering locking fixture, adjust simultaneously
Joint turns tensioning swivel nut 14-6 so that plane bearing 14-2 is clamped tightly between described tensioning swivel nut 14-6 and tapered sleeve 14-8,
And anti-torsion compression spring 14-1 compressed, tension force produced by it promotes the first taper jaw 14-7 reach to be pressed from both sides by precompressed cable wire
Tightly, precompressed cable wire folder in described hollow bolt 14-10 will be located in the second taper jaw 14-9 is turned thereafter dead；Finally, remove
Traction stretching machine, blocks unnecessary precompressed cable wire, can disk spring group 4 be clamped in all the time between two pieces of floating platens.
See Fig. 1 and Fig. 8～12, in the work progress installing antivibrator or in routine maintenance procedure, if it find that certain
The tension force of precompressed cable wire is not enough, and the tensioning swivel nut 14-6 that can turn in cable wire self-locking tensioning anchorage 14 is adjusted.
Seeing Fig. 1, described two groups of precompressed cable wires two pieces of floating platens of tractive respectively compress described disk spring group 4 to be come for it
Precompression is provided, changes the length i.e. size of scalable precompression of precompressed cable wire, and then reach to preset the purpose of early its rigidity.
When antivibrator is by axial external load, no matter external load is pressure or pulling force, as long as it is less than above-mentioned precompression,
Disk spring group 4 will not continue to deformation.When external load is more than described precompression, if external load is pressure, described
Bottom plate 3 promotes described first floating platen 6 to continue compression dish groups of springs 4 and produces elastic deformation power consumption, if external load is
Pulling force, described two groups of precompressed cable wires two pieces of floating platen relative movement compression dish groups of springs 4 of tractive respectively produce elastic deformation
Power consumption.Because the dynamic loading no matter suffered by antivibrator is for drawing or pressing, the final deformation produced is all same disk spring group 4
Compression, so the bidirectional elastic deformation necessarily symmetry of antivibrator.
Example 2
Seeing Figure 13～17, this example and example 1 have to be distinguished as follows:
1, described first group of precompressed steel wire rope 8 and second group of precompressed steel wire rope 7 are formed by three steel wire ropes.Described cable wire
The quantity of self-locking tensioning anchorage 14 is six.
2, the normal work of antivibrator is affected in disk spring group 4 for preventing dust and other foreign material from falling, in back-pressure
Wrapping up the protection set 15 of one layer of rubber outside device, floats with the first floating platen 6 and second respectively in two of this protection set 15
The outer peripheral face of pressing plate 5 bonds together.The length of described sheath 15 is more than between upper head plate 2 upper surface and bottom plate 3 lower surface
Distance, in order to avoid affecting the work of antivibrator.
This example implementation other than the above is same as Example 1.
Example 3
Seeing Figure 18～22, the disk spring antivibrator of the rigidity in early days of the scalable in this example is that one can be used for building
The isolation mounting (also referred to as shock isolating pedestal) of vertical earthquake isolating, this example mainly has compared with example 2 to be distinguished as follows:
1, as shock isolating pedestal, for ease of installing, this example eliminates connection otic placode set on upper head plate 2, and by upper
First axially upwardly extension extends radially outwards again at the edge of end plate 2, and is uniformly arranged link bolt hole 16 in edge；Wherein,
The length axially upwardly extended need to be more than the height of described cable wire self-locking tensioning anchorage 14.
2, eliminate connection otic placode set outside bottom plate 3, and start bottom plate 3 from edge first to extend axially downwards
Extend radially outwards the base forming antivibrator again, and be uniformly arranged link bolt hole 16 in edge；Extend the most axially downwards
Length pass the length outside bottom plate 3 and the height of described cable wire self-locking tensioning anchorage 14 more than described guide post 1 end
To form the activity space 17 flexible for guide post 1 end.
3, described first group of precompressed steel wire rope 8 and second group of precompressed steel wire rope 7 are formed by five steel wire ropes.Described cable wire
The quantity of self-locking tensioning anchorage 14 is ten.
This example other embodiment other than the above is same as Example 2.
Claims (5)
1. a disk spring antivibrator for scalable rigidity in early days, this disk spring antivibrator includes two end plates, described
Being provided with disk spring group between two end plates, one of end plate is provided with guide post, and this guide post is along described disk spring group
Centre bore pass another end plate；Described disk spring group is made up of one group of disk spring overlapping；It is characterized in that,
Being additionally provided with backpressure device between described two end plates, this backpressure device includes that quantity two groups of at least three respectively are pre-
Compressed steel rope, two pieces of floating platens and quantity are the cable wire self-locking tensioning anchorage of described two groups of precompressed cable wire quantity sums, wherein,
Described floating platen is respectively sleeved on the guide post between one piece of end plate and disk spring group；
Described cable wire self-locking tensioning anchorage is by the first self-centering locking fixture, the second self-centering locking fixture, anti-torsion compression bullet
Spring and plane bearing composition, wherein:
A) the first self-centering locking fixture described in has a connecting seat, and the middle part of this connection seat one end is provided with axially extended circle
Cylindrical end tangs, the internal of this boss is provided with the first taper jaw being made up of 3-5 claw sheet along axial line, and outer peripheral face is arranged with to be opened
Tight swivel nut；Wherein, the microcephaly of described first tapered clamp points to connection seat, and the outer peripheral face of described tensioning swivel nut is regular hexagon；
B) the second self-centering locking fixture described in has a tapered sleeve, and the internal of this tapered sleeve is sequentially provided with by 3-5 claw along axis
Second taper jaw and hollow bolt of sheet composition, wherein, the head of described hollow bolt and the major part of the second taper jaw
Relatively, the outer peripheral face of described tapered sleeve is regular hexagon；
C) plane bearing described in is by the ball retainer assembly end face relative with tapered sleeve with being respectively provided at tensioning swivel nut
Ring raceway is constituted, and wherein said ring raceway matches with the ball in ball retainer assembly；
D) described second self-centering locking fixture is positioned at the outside of described tensioning swivel nut head, and the second taper jaw microcephaly and the
The sensing of one taper jaw microcephaly is consistent；Described plane bearing between described tensioning swivel nut and tapered sleeve, described anti-torsion
Compression spring is located in the endoporus of tensioning swivel nut；Through anti-torsion compression spring between precompressed cable wire is by the calvus of the first taper jaw
And it is after passing between the calvus of the centre bore of plane bearing and the second taper jaw, under precompressed cable tension effect, described
One of anti-torsion compression spring acts on the first taper jaw, and other end acts on tapered sleeve；
Two groups of described precompressed cable wires are symmetrically distributed in described disk spring group rotating around the axis of guide post with linear state
Surrounding, and, of each group of precompressed cable wire is separately fixed on one piece of floating platen, and other end is each passed through another block and floats
Pressing plate is anchored on the end plate adjacent with this another block floating platen by described cable wire self-locking tensioning anchorage；
Being respectively equipped with, on described floating platen, the through hole wearing this precompressed cable wire through the position of described precompressed cable wire, this leads to
The aperture in hole is more than the diameter of worn precompressed cable wire；
Two groups of precompressed cable wires of tensioning, make the distance between two pieces of floating platens equal to being compressed to disk spring group preset the most just
The length of degree.
The disk spring antivibrator of a kind of scalable the most according to claim 1 rigidity in early days, it is characterised in that this is adjustable
The disk spring antivibrator of joint rigidity in early days is the antivibrator reinforced for building structure aseismatic.
The disk spring antivibrator of a kind of scalable the most according to claim 1 rigidity in early days, it is characterised in that this is adjustable
The disk spring antivibrator of joint rigidity in early days is the vertical earthquake isolating equipment for Antiseismic building.
4. according to the disk spring antivibrator of the rigidity in early days of a kind of scalable described in claim 1,2 or 3, it is characterised in that
Described precompressed cable wire is steel wire rope or prestressing force steel hinge line.
The disk spring antivibrator of a kind of scalable the most according to claim 4 in early days rigidity, it is characterised in that described instead
Outside pressure device, bag is provided with the protection set of one layer of rubber, and two of this protection set is bonding with the outer peripheral face of two pieces of floating platens respectively
Together.
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| CN201610902601.0A CN106286663B (en) | 2016-10-17 | 2016-10-17 | A kind of disk spring damper of adjustable early stage rigidity |
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| CN201610902601.0A CN106286663B (en) | 2016-10-17 | 2016-10-17 | A kind of disk spring damper of adjustable early stage rigidity |
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| CN106286663A true CN106286663A (en) | 2017-01-04 |
| CN106286663B CN106286663B (en) | 2018-03-27 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107938560A (en) * | 2017-11-01 | 2018-04-20 | 中铁大桥勘测设计院集团有限公司 | A kind of energy-consuming device and anti-collision facility |
| PL424582A1 (en) * | 2018-02-13 | 2019-08-26 | General Electric Company | Cable assembly, friction damper of the cable assembly and method for assembling of the friction damper |
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| JP2007182914A (en) * | 2006-01-05 | 2007-07-19 | Toyo Tire & Rubber Co Ltd | Laminated rubber bearing device |
| CN101457553A (en) * | 2007-12-14 | 2009-06-17 | 尹学军 | Spring stiffness adjustable tuning quality damper |
| CN103967985A (en) * | 2014-01-16 | 2014-08-06 | 三一重机有限公司 | Adjustable shock absorber and system and method for designing shock absorber |
| CN104254683A (en) * | 2012-04-27 | 2014-12-31 | 黃炳灿 | Pulse damper using composite spring |
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| CN85109016A (en) * | 1984-12-12 | 1986-08-27 | 帕顿公司 | Complex spring |
| JP2007182914A (en) * | 2006-01-05 | 2007-07-19 | Toyo Tire & Rubber Co Ltd | Laminated rubber bearing device |
| CN101457553A (en) * | 2007-12-14 | 2009-06-17 | 尹学军 | Spring stiffness adjustable tuning quality damper |
| CN104254683A (en) * | 2012-04-27 | 2014-12-31 | 黃炳灿 | Pulse damper using composite spring |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107938560A (en) * | 2017-11-01 | 2018-04-20 | 中铁大桥勘测设计院集团有限公司 | A kind of energy-consuming device and anti-collision facility |
| CN107938560B (en) * | 2017-11-01 | 2021-01-15 | 中铁大桥勘测设计院集团有限公司 | Energy consumption device and anti-collision facility |
| PL424582A1 (en) * | 2018-02-13 | 2019-08-26 | General Electric Company | Cable assembly, friction damper of the cable assembly and method for assembling of the friction damper |
| US11248675B2 (en) | 2018-02-13 | 2022-02-15 | General Electric Company | Frictional damper and method for installing the frictional damper |
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| CN106286663B (en) | 2018-03-27 |
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