CN106382314A - Early rigidity-adjustable disk spring damper - Google Patents
Early rigidity-adjustable disk spring damper Download PDFInfo
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- CN106382314A CN106382314A CN201610906759.5A CN201610906759A CN106382314A CN 106382314 A CN106382314 A CN 106382314A CN 201610906759 A CN201610906759 A CN 201610906759A CN 106382314 A CN106382314 A CN 106382314A
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- disk spring
- cable wire
- group
- pressure plate
- self
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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
- F16F3/023—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 composed only of leaf springs
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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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
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/06—Stiffness
- F16F2228/066—Variable stiffness
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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
- F16F2228/00—Functional characteristics, e.g. variability, frequency-dependence
- F16F2228/08—Functional characteristics, e.g. variability, frequency-dependence pre-stressed
-
- 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
- F16F2230/00—Purpose; Design features
- F16F2230/40—Multi-layer
-
- 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
- F16F2238/00—Type of springs or dampers
- F16F2238/02—Springs
- F16F2238/022—Springs leaf-like, e.g. of thin, planar-like metal
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The invention discloses an early rigidity-adjustable disk spring damper. The early rigidity-adjustable disk spring damper is characterized in that a back pressure device is also arranged in a guide sleeve and is composed of two groups of preloading steel ropes, each group of which is composed of at least three preloading steel ropes, and two floating pressure plates, wherein the two groups of preloading steel ropes are symmetrically distributed in a center hole of a disk spring group about the axis of the guide sleeve in a straight line state; in addition, one ends of the preloading steel ropes in one group are fixed on the floating pressure plate adjacent to a drive component, and the other ends of the preloading steel ropes in one group penetrate through the floating pressure plate adjacent to a second end cover and are anchored on the second end cover through steel rope self-locking tensioning anchorages; one ends of the preloading steel ropes in the other group are fixed on the floating pressure plate adjacent to the second end cover, and the other ends of the preloading steel ropes in the other group penetrate through the floating pressure plate adjacent to the drive component and are anchored on the drive component through steel rope self-locking tensioning anchorages; and the two groups of preloading steel ropes are tensioned to always clamp the disk spring group between the two floating pressure plates.
Description
Technical field
The present invention relates to damping device, more particularly to adopt the damper of disk spring.
Background technology
Damper is the damping device that a kind of resistance to provide motion carrys out depletion kinergety.Using damper come 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, people start progressively using damper energy-absorbing damping technology application to building, bridge, railway etc. tie
In structure engineering.And disk spring damper is widely used in the characteristic of its impact resistance height, low cost, good damping effect
In the anti-seismic structure of various buildings.
The design of the anti-seismic structure for building especially skyscraper for the people is pursued one kind " resisting " and is combined with " consumption "
Comprehensive anti-seismic performance, that is, in the presence of weak wind shake and small earthquake anti-seismic structure to be that building main body provides extra additional
Rigidity resisting the effect of external load, the integrality of retainer body structure, it is to avoid internal injury in main structure body, and strong
In the presence of wind shake and violent earthquake, anti-seismic structure then starts yield deformation, by the damping action of the damper in anti-seismic structure Lai
Dissipation external energy, make main structure body high wind shake and violent earthquake in be unlikely to be seriously damaged or even collapse it is ensured that people
Safety of life and property.This just requires to be applied to anti-seismic structure and can keep rigidity in the presence of outside weak load, does not become
Shape, then can deform power consumption in the presence of outside strong load.But existing spring-damper also cannot meet above-mentioned antidetonation need
Ask, any spring-damper all can produce more or less elastic deformation in the presence of external load.Therefore above-mentioned people institute
The performance of the Antiseismic building structure pursued is difficult to realize.
In addition, the effect of seismic wave is in multidirectional randomness, i.e. act on the size direction of power on building and frequency is all
Random, the damper that thus be accordingly used in antidetonation need to meet following two requirements：One be damper characteristic frequency defeated with earthquake
The resonance frequency domain entering excitation staggers, and two is that the characteristic frequency of damper will be staggered with the characteristic frequency of building or building structure.
According to《Analysis of Basic Characteristic Parameters of Disk Springs》The theory analysis of author Yi Xianzhong, the natural frequency of vibration of monolithic disk spring(in formula, KpFor rigidity, msFor the quality of disk spring, m is to be connected the quality of object with disk spring, ξ
For equivalent quality transformation ratio) [see,《Petroleum machinery》Magazine, volume 23 the 3rd phase the 10th nineteen ninety-five is to waiting page 22] it is seen then that working as
After the Quality Design of the quality of disk spring and the object that is connected with disk spring is determined, 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 a kind of " adjustable disc-shape spring mechanical damping resistance
Buddhist nun's device ", this damper includes shell, the load connecting rod being located inside the shell 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 screw thread cooperation 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 adjustable
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 can adjust the pretightning force of two groups of disk springs thus the damped coefficient of damping adjusting device, to meet
Different frequency and the use demand of various amplitude.But this invention still has following deficiency：
1st, described load connecting rod is to keep balance under the collective effect of two groups of disk springs, two groups of disk springs
Although pretightning force can be adjusted, adjust, two groups of disk springs are all one group to the active force of load connecting rod anyway
Power equal in magnitude, in opposite direction, only need to apply any external force in load connecting rod all can destroy this balance, make two groups of dish
Shape spring deforms, so described damper cannot preset early stage rigidity；
2nd, rely on the damped coefficient that two groups of disk spring precompressed are changed with disk spring, this change is extremely limited, this
Lead to the equivalent stiffness adjustable range of damper little, often cannot meet the requirement for frequency for the architectural vibration-insulation；
3rd, two groups of disk springs must be used cooperatively in this invention, all could be provided when damper presses or draws load
Damping, this not only causes certain waste, so that the length of damper is greatly increased, is not suitable for some installing spaces
Compact occasion uses.
The application for a patent for invention of Publication No. CN101457553A discloses one kind, and " spring stiffness adjustable tuning quality subtracts
Shake device ", this shock absorber 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 damper changes its damping ratio, changes its rigidity by the effective active length changing spring, its
The means of the middle effective active length changing spring have three kinds, and one is section spring being located in solidification cylinder using curing materials
Solidification, two fill in constraint block toward intracardiac in helical spring, and the two interference fit, make the one section of spring contacting with constraint block
Lost efficacy, three is to arrange helical raised on constraint block surface, and helical raised is stuck between spring wire, makes card 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, institute
Not only effectively active length substantially shortens the spring stated, 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 adjustable disk spring damper of early stage rigidity, this dish
Spring-damper not only maintains effective active length of disk spring group, and both compressible passive energy dissipations, and stretchable consumption
Can vibration damping.
The present invention solve above-mentioned technical problem technical scheme be：
A kind of adjustable disk spring damper of early stage rigidity, this disk spring damper includes fairlead, this fairlead
One be provided with the first end cap, other end is provided with the second end cap；It is coaxially provided with described fairlead and folded by one group of disk spring
The disk spring group being combined into；One drive member puts in described fairlead by the outside of the first end cap, this drive member bag
Include dynamic pressure plate and drive rod, wherein said dynamic pressure plate is located at the head of disk spring group, and described drive rod is located on dynamic pressure plate
And extend fairlead along fairlead axis；It is characterized in that,
Be additionally provided with backpressure device in described fairlead, this backpressure device include quantity respectively at least two groups of three 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,
Two pieces of described floating platens, one piece is located between described dynamic pressure plate and disk spring group, and another piece is located at second
Between end cap 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 connecting seat one end is provided with axially extending
Cylindrical boss, the internal of this boss be provided with the first taper jaw being made up of 3～5 claw pieces, periphery surface cover along axial line
It is provided with tensioning swivel nut；Wherein, the microcephaly of described first tapered clamp points to connecting seat, and the outer peripheral face of described tensioning swivel nut is positive six sides
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 of claw piece composition and hollow bolt, wherein, the described head of hollow bolt and the second taper jaw
Relatively, the outer peripheral face of described tapered sleeve is regular hexagon to major part；
C the 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 matched with the ball in ball retainer assembly；
D) described second self-centering locking fixture is located at the outside of described tensioning swivel nut head, and the second taper jaw microcephaly
Consistent with the sensing of the first taper jaw microcephaly；Described plane bearing is located between described tensioning swivel nut and tapered sleeve, described
Anti- torsion compression spring is located in the endoporus of tensioning swivel nut；Turn round compression through anti-between precompressed cable wire is by the calvus of the first taper jaw
After passing between the calvus of the centre bore of spring and plane bearing and the second taper jaw, under the effect of precompressed cable tension,
Described anti-turn round compression spring one 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 fairlead with linear state
The center in the hole of group, and, one of one group of precompressed cable wire is separately fixed on the floating platen adjacent with dynamic pressure plate, and other end is divided
Floating platen that Chuan Guo be not adjacent with the second end cap is anchored on the second end cap by described cable wire self-locking tensioning anchorage；Another group
One of precompressed cable wire is separately fixed on the floating platen adjacent with the second end cap, and other end is each passed through adjacent with dynamic pressure plate
Floating platen be anchored on dynamic pressure plate by described cable wire self-locking tensioning anchorage；
Being respectively equipped with the through hole through this precompressed cable wire through the position of described precompressed cable wire on described floating platen,
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 default early equal to being compressed to disk spring group
The length of phase rigidity.
In such scheme, described precompressed cable wire can be steel wire rope or prestressing force steel hinge line.
The adjustable disk spring damper of early stage rigidity of the present invention, wherein said two groups of precompressed cable wires with described
The method anchoring that can adopt routine that floating platen connects, may also be employed the U similar to lifting bolt or by bar bending
Shape component system connects fixation.
Damper 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 for only needing one group of disk spring can make the no matter suffered axial force of damper, described
One group of disk spring all can produce elastic compression deformation and consume energy, and not only save one group of disk spring, and greatly shorten
The length of damper.
(2) when dynamic loading is more than the defensive ability/resistance ability of early stage rigidity set by damper, bidirectional elastic deformation is symmetrical, therefore outer
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 damper, when early stage rigidity is more than zero,
External force cannot make damper be deformed before overcoming this early stage rigidity, when therefore using it for building structure aseismatic, can be pre-
If earthquake protection grade, significantly reduce shock insulation cost.
(4) length presetting described precompressed cable wire is predeterminable damper early stage rigidity, and in described disk spring group
A disk spring is not had to lose efficacy, that is, effectively active length is constant, will not change the original characterisitic parameter of disk spring group.
(5) using cable wire self-locking tensioning anchorage, the other end of precompressed cable wire is fixed on dynamic pressure plate and the second end cap, one
The length of precompressed cable wire can be adjusted, two be using anti-turn round compression spring and the first self-centering locking fixture combine work
With can effectively prevent precompressed cable wire from twisting during carrying out length adjustment and changing the characterisitic parameter of cable wire.
Brief description
Fig. 1～6 are the structural representation of a specific embodiment of damper 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 the C-C sectional view of Fig. 1, and Fig. 5 is to look up
Figure, Fig. 6 is the enlarged drawing of Fig. 1 local I.
Fig. 7～11 are the structural representation of cable wire self-locking tensioning anchorage in the illustrated embodiment of Fig. 1～6, wherein, based on Fig. 7
View (section view), in figure dotted line represents precompressed cable wire, and Fig. 8 is upward view, and Fig. 9 is the D-D profile of Fig. 7, and Figure 10 is the E- of Fig. 7
E profile, Figure 11 is the F-F sectional view of Fig. 7.
Figure 12～16 are the structural representation of second specific embodiment of damper of the present invention, wherein, Tu12Wei
Front view (section view), Figure 13 is the G-G sectional view of Figure 12, and Figure 14 is the H-H sectional view of Figure 12, and Figure 15 is top view, Tu16Wei
Upward view.
Figure 17～21 are the structural representation of the 3rd specific embodiment of damper of the present invention, wherein, Tu17Wei
Front view (section view), Figure 18 is the I-I sectional view of Figure 17, and Figure 19 is the J-J sectional view of Figure 17, and Figure 20 is top view, Tu21Wei
Upward view.
Specific embodiment
Example 1
Referring to Fig. 1, the early stage rigidity adjustable disk spring damper in this example is that one kind can be used for building structure aseismatic
The energy-dissipating device reinforced, it includes fairlead 1, the first end cap 2 being respectively provided at fairlead 1 two and the second end cap 3, wherein,
Described first end cap 2 with and the second end cap 3 be fixedly connected with the two ends of fairlead respectively by screw.In described fairlead 1
It is provided with a dish-shaped groups of springs 4 vertically, a drive member is pressed in described in the fairlead 1 described in the first end cap 2 center puts in
In disk spring group 4, wherein, described disk spring group 4 is vertically formed by stacking two-by-two relatively by 16 disk springs；Described drive
Dynamic component from positioned at disk spring group 4 upper end and with fairlead 1 move with dynamic pressure plate 5 and prolonged upwards by dynamic pressure plate 5 upper surface
The drive rod 5-1 stretching out fairlead 1 is constituted, and the end that described drive rod 5-1 is located at outside fairlead 1 is provided with the company with hinge hole 13
Meet ring 5-2, the mode that described connection ring 5-2 is threaded connection with drive rod 5-1 is docking together.
Referring to Fig. 1 and 5, the outside of described second end cap 3 is provided with two connection otic placodes 12, Mei Yilian being connected therewith
Ear connecting plate 12 is provided with hinge hole 13.
Referring to Fig. 1～6, in described fairlead 1, be provided with backpressure device, this backpressure device include two groups of precompressed cable wires, two
Block floating platen and seven cable wire self-locking tensioning anchorages 14；Wherein, two groups of described precompressed cable wires are by four precompressed cable wire groups
The first group of precompressed cable wire 8 becoming and second group of precompressed cable wire 9 being made up of three precompressed cable wires；Two pieces of described floating platens are
It is located at the first floating platen 6 between the dynamic pressure plate 5 of described drive member and disk spring group 4 and be located at the second end cap 3 and dish
The second floating platen 7 between shape groups of springs 4；This two floating platen moves cooperation with the inner surface of fairlead 1 respectively.
Referring to Fig. 7～11, 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 connecting 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 pieces in this taper hole, the outer peripheral face of described boss 14-4 is sheathed
There is tensioning swivel nut 14-6, threaded therebetween；Wherein, the microcephaly of described first tapered clamp 14-7 points to connecting 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 pieces
Jaw 14-9, described screw thread in the hole is provided with hollow bolt 14-10, the head of hollow bolt 14-10 and the second taper jaw 14-
Relatively, the outer peripheral face of described tapered sleeve 14-8 is regular hexagon to 9 major part；
Described plane bearing 14-2 by ball retainer assembly 14-11 and is respectively provided at tensioning swivel nut 14-6 and tapered sleeve
Ring raceway on the relative end face of 14-8 is constituted, in wherein said ring raceway and ball retainer assembly 14-11
Ball matches；
Described second self-centering locking fixture is located 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 located 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
Centre bore through anti-torsion compression spring 14-1 and plane bearing 14-2 and the second tapered clamp between the calvus of taper jaw 14-7
After passing between the calvus of pawl 14-9, under the effect of precompressed cable tension, described anti-turn round compression spring 14-1 one acts on
On first taper jaw 14-7, other end acts on tapered sleeve 14-8.
Referring to Fig. 1～6, described two groups of precompressed cable wires are distributed in described respectively with linear state around fairlead 1 axisymmetrical
The center in the hole of disk spring group 4, each precompressed cable wire is each parallel to fairlead 1 axis, and first group of precompressed cable wire 8 is away from leading
It is more than the distance away from fairlead axis for second group of precompressed cable wire 9 to the distance covering 1 axis；Wherein, described first group of precompressed cable wire 8
Following be fixed on the second floating platen 7 by lifting bolt 15 respectively, top is each passed through the first floating platen 6 by a steel
Suo Zisuo tensioning anchorage 14 is anchored on described dynamic pressure plate 5；The top of described second group of precompressed cable wire 9 is respectively by lifting bolt 15
It is fixed on the first floating platen 6, following is anchored at second through the second floating platen 7 by a cable wire self-locking tensioning anchorage 14
On end cap 3.The position passing through in each first group of precompressed cable wire 8 on described first floating platen 6 is provided with passing through for it
One through hole 10, the aperture of this first through hole 10 is more than the diameter of described first group of precompressed cable wire 8；On described dynamic pressure plate 5, every
Piece first group of precompressed cable wire 8 is equipped with the first anchor hole 5-3 anchoring this first group of precompressed steel wire rope 8 through position；Described
The position passing through in each second group of precompressed cable wire 9 on second floating platen 7 is provided with the second through hole 11 passing through for it, and this
The aperture of two through holes 11 is more than the diameter of described second group of precompressed cable wire 9；On the second described end cap 3, at each second group
Precompressed cable wire 9 is equipped with the second anchor hole 3-1 of second group of precompressed steel wire rope 9 of anchoring through position.Described precompressed cable wire
One method being fixed in respective members by lifting bolt 15 is：Lifting bolt 15 is fixed on corresponding component, then
One of precompressed cable wire is on the suspension ring be connected on lifting bolt, and fixing dead by rope cramp (in figure is not drawn into).
Referring to Fig. 1, the connecting seat 14-3 of described cable wire self-locking tensioning anchorage 14 is fixed on the following table of the second end cap 3 by screw
Face or the upper surface of dynamic pressure plate 5.
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. 1～6 and with reference to Fig. 7～11, in order to realize the purpose of default early stage rigidity, above-mentioned two groups of precompressed cable wires
Install and tensioning method is as described below：(1) the first characterisitic parameter according to damper rigidity of default early stage and disk spring group 4,
Calculate disk spring group 4 and meet length during damper early stage rigidity；(2) by Fig. 1, described damper 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
Pass in the centre bore of 14-9 and hollow bolt 14-10；Then, (3) are connected on traction the fag end system of the precompressed cable wire exposing
In machine drawing, and draw tensioning while monitor disk spring group 4 decrement (as tensioning distance) so that determine two pieces float
The distance between dynamic pressure plate；Meet early stage rigidity when the distance between two pieces of floating platens are equal to be compressed to disk spring group 4
Length when, move forward the second self-centering locking fixture, adjust simultaneously and turn tensioning swivel nut 14-6 so that plane bearing 14-2
It is clamped tightly between described tensioning swivel nut 14-6 and tapered sleeve 14-8, and anti-torsion compression spring 14-1 is compressed, produced by it
Tension force promotes the first taper jaw 14-7 reach to clamp precompressed cable wire, and turning described hollow bolt 14-10 thereafter will be located at
In second taper jaw 14-9, precompressed cable wire folder is dead；Finally, remove traction stretching machine, block unnecessary precompressed cable wire, you can will
Disk spring group 4 is clamped between two pieces of floating platens all the time.
Referring to Fig. 1 and Fig. 7～11, in the work progress installing damper or in routine maintenance procedure, if it find that certain
The tension force of precompressed cable wire is not enough, you can the tensioning swivel nut 14-6 turning in cable wire self-locking tensioning anchorage 14 is adjusted.
Referring to Fig. 1, two pieces of floating platens of tractive compress described disk spring group 4 for it to described two groups of precompressed steel wire ropes respectively
Precompression to be provided, can adjust the size of precompression by the length adjusting steel wire rope, and then reach default its rigidity early
Purpose.When damper is subject to the external load of axial direction, no matter external load is pressure or pulling force, as long as it is less than above-mentioned pre-
Pressure, disk spring group 4 will not continue to deform.When external load is more than described precompression, if external load is pressure,
Described dynamic pressure plate 5 promotes described first floating platen 6 to continue the dish-shaped groups of springs 4 of compression and produces elastic deformation power consumption, if outside carry
Lotus is pulling force, and the dish-shaped groups of springs 4 of two pieces of floating platen relative movement compressions of tractive produces bullet to described two groups of precompressed steel wire ropes respectively
Property deformation power consumption.Because the dynamic loading no matter suffered by damper is to draw or press, the final deformation producing is all same dish-shaped bullet
The compression of spring group 4, so the bidirectional elastic deformation of damper is necessarily symmetrical.
Example 2
Referring to Figure 12～16, the early stage rigidity adjustable disk spring damper in this example can be used for building for one kind and erects
To the isolation mounting (also referred to as shock isolating pedestal) of shock insulation, this example mainly has following difference compared with example 1：
1st, as shock isolating pedestal, for ease of installing, in this example, eliminate set connection otic placode on the second end cap 3 in example 1,
And the second end cap 3 is first extended axially downwards from edge and extends radially outwards, and it is uniformly provided with link bolt hole in edge
16, using the second end cap 3 as the base of shock isolating pedestal, the length wherein extending axially downwards need to be more than described cable wire self-locking tensioning
The height of anchorage 14.The drive rod 5-1 of described drive member is the metal that an automatic plate press 5 upper surface extends to outside fairlead 1
Pipe, this metal tube is fixedly connected by sunk screw with dynamic pressure plate 5, and the end that described metal tube is located at outside fairlead 1 is provided with even
Connect supporting plate 17, and, this connection supporting plate 17 is again provided with link bolt hole 16.The first described end cap 2 from fairlead 1 upper end to
Interior extension is constituted；Described disk spring group 4 is vertically formed by stacking two-by-two relatively by 8 disk springs.
2nd, described first group of precompressed cable wire 8 and second group of precompressed cable wire 9 are made up of three precompressed cable wires respectively；Described cable wire
The quantity of self-locking tensioning anchorage 14 is six；The distance away from fairlead 1 axis for the described first group of precompressed cable wire 8 is pre- equal to second group
The distance away from fairlead axis for the compressed steel rope 9.It is described that cable wire self-locking tensioning anchorage 14 outside described dynamic pressure plate 5-1 is each provided at composition
In the metal tube of drive rod 5-1, and the length of metal tube is more than the height of described cable wire self-locking tensioning anchorage 14.
This example other embodiment other than the above is same as Example 1.
Example 3
Referring to Figure 17～21, this example mainly has following difference compared with example 2：
Described first group of precompressed cable wire 8 and second group of precompressed cable wire 9 are made up of five precompressed cable wires respectively, and described cable wire is certainly
The quantity of lock tensioning anchorage 14 is ten.
This example other embodiment other than the above is same as Example 2.
Claims (4)
1. the adjustable disk spring damper of a kind of early stage rigidity, this disk spring damper includes fairlead, this fairlead
One is provided with the first end cap, and other end is provided with the second end cap；It is coaxially provided with described fairlead and overlapped by one group of disk spring
The disk spring group of composition；One drive member is put in described fairlead by the outside of the first end cap, and this drive member includes
Dynamic pressure plate and drive rod, wherein said dynamic pressure plate is located at the head of disk spring group, and described drive rod is located on dynamic pressure plate simultaneously
Extend fairlead along fairlead axis；It is characterized in that,
It is additionally provided with backpressure device, this backpressure device includes two groups of pre- compressed steel that quantity is at least three respectively in described fairlead
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,
Two pieces of described floating platens, one piece is located between described dynamic pressure plate and disk spring group, and another piece is located at the second end cap
And disk spring group between；
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 connecting seat one end is provided with axially extended circle
Cylindrical end tangs, the internal of this boss is provided with, along axial line, the first taper jaw being made up of 3～5 claw pieces, and outer peripheral face is arranged with
Tensioning swivel nut；Wherein, the microcephaly of described first tapered clamp points to connecting 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 claws along axis
Second taper jaw of piece composition and hollow bolt, wherein, the major part of the described head of hollow bolt and the second taper jaw
Relatively, the outer peripheral face of described tapered sleeve is regular hexagon；
C the 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 is matched with the ball in ball retainer assembly；
D) described second self-centering locking fixture is located 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 is located 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
After passing and the calvus of the centre bore of plane bearing and the second taper jaw between, under the effect of precompressed cable tension, described
Anti- turn round compression spring one 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 fairlead with linear state
Center in the hole, and, one of one group of precompressed cable wire is separately fixed on the floating platen adjacent with dynamic pressure plate, and other end is worn respectively
Cross the floating platen adjacent with the second end cap to be anchored on the second end cap by described cable wire self-locking tensioning anchorage；Another group of precompressed
One of cable wire is separately fixed on the floating platen adjacent with the second end cap, and other end is each passed through float adjacent with dynamic pressure plate
Dynamic pressure plate is anchored on dynamic pressure plate by described cable wire self-locking tensioning anchorage；
It is being respectively equipped with the through hole through this precompressed cable wire through the position of described precompressed cable wire, this leads on described floating platen
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 be equal to and disk spring group have been compressed to default early stage just
The length of degree.
2. a kind of adjustable disk spring damper of early stage rigidity according to claim 1 it is characterised in that this early stage just
Spending adjustable disk spring damper is the damper reinforced for building structure aseismatic.
3. a kind of adjustable disk spring damper of early stage rigidity according to claim 1 it is characterised in that this early stage just
Spend the vertical earthquake isolating equipment that adjustable disk spring damper is for Antiseismic building.
4. the adjustable disk spring damper of a kind of early stage rigidity according to claim 1,2 or 3 is it is characterised in that institute
The precompressed cable wire stated is steel wire rope or prestressing force steel hinge line.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610906759.5A CN106382314B (en) | 2016-10-17 | 2016-10-17 | A kind of adjustable disk spring damper of early stage rigidity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610906759.5A CN106382314B (en) | 2016-10-17 | 2016-10-17 | A kind of adjustable disk spring damper of early stage rigidity |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| KR20130121280A (en) * | 2012-04-27 | 2013-11-06 | 황병찬 | Pulsation reducer by combination spring |
| 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 |
-
2016
- 2016-10-17 CN CN201610906759.5A patent/CN106382314B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| KR20130121280A (en) * | 2012-04-27 | 2013-11-06 | 황병찬 | Pulsation reducer by combination spring |
| 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 |
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|---|---|
| CN106382314B (en) | 2018-05-11 |
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