CN106499762A - A kind of coiled spring damper of predeterminable early stage rigidity - Google Patents
A kind of coiled spring damper of predeterminable early stage rigidity Download PDFInfo
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- CN106499762A CN106499762A CN201610906764.6A CN201610906764A CN106499762A CN 106499762 A CN106499762 A CN 106499762A CN 201610906764 A CN201610906764 A CN 201610906764A CN 106499762 A CN106499762 A CN 106499762A
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- cable wire
- end cap
- precompressed cable
- fairlead
- early stage
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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
- F16F3/04—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 wound 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
-
- 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
-
- 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
-
- 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
- F16F2238/026—Springs wound- or coil-like
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Electromagnetism (AREA)
- Springs (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of coiled spring damper of predeterminable early stage rigidity, it is characterized in that, backpressure device is additionally provided with described fairlead, the backpressure device includes that quantity is at least two groups of precompressed cable wires of three and two pieces of floating platens respectively, wherein, two groups of described precompressed cable wires are symmetrically distributed in the centre bore of the cylindrical helical compression spring 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 drive member, other end is each passed through the floating platen adjacent with the second end cap and is fixed on the second end cap；One of another group of precompressed cable wire is separately fixed on the floating platen adjacent with the second end cap, and other end is each passed through the floating platen adjacent with drive member and is fixed in drive member；Two groups of precompressed cable wires described in tensioning, cylindrical helical compression spring are clamped in all the time between two pieces of floating platens.
Description
Technical field
The present invention relates to damping device, more particularly to using the antivibrator of cylindrical helical compression spring.
Background technology
Antivibrator is the damping device that a kind of resistance to provide motion carrys out depletion kinergety.Consumed energy using antivibrator
Damping is a kind of conventional art for being widely used in space flight, aviation, military project, firearms and automobile and other industries.From twentieth century
Since the seventies, people start the technology using antivibrator energy-dissipating and shock-absorbing is applied to building, bridge, railway etc. progressively and tie
In structure engineering.And coiled 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.
People are pursued a kind of " resisting " for the design of the building especially anti-seismic structure of skyscraper and are combined with " consumption "
Synthesis anti-seismic performance, i.e., in the presence of weak wind shake and small earthquake, anti-seismic structure can provide extra attached for building main body
Plus rigidity is resisting the effect of external load, the integrity of retainer body structure, it is to avoid internal injury occurs in main structure body, and
High wind shakes and then start yield deformation with anti-seismic structure in the presence of violent earthquake, by anti-seismic structure in antivibrator damping action
Come the external energy that dissipates, main structure body is made to shake in high wind and be unlikely to be seriously damaged in violent earthquake or even collapse, it is ensured that people
Safety of life and property.This just requires that being applied to anti-seismic structure can keep rigidity in the presence of outside weak load, not occur
Deformation；Power consumption can then be deformed in the presence of outside strong load.But existing spring-damper cannot also meet above-mentioned antidetonation
Demand, any spring-damper can produce more or less elastic deformation in the presence of external load.Therefore above-mentioned people
The performance of the Antiseismic building structure that is pursued is difficult to realize.
Authorization Notice No. discloses a kind of wind resistance damping for building for the utility application of 204081122 U of CN
Spring-damper, two elastomers (i.e. two helical springs) that the antivibrator is directed in set are respectively and fixedly connected with center shaft
On middle limiter assembly, when antivibrator is tension or in compression, one of elastomer tension, another elastomer are pressurized, so as to reality
Existing wind resistance damping.But, the utility model patent is clearly present following shortcomings：1st, two helical springs, whole antivibrator are needed
Length longer, be not suitable in space mounting in small distance；2nd, it is difficult even not can guarantee that two springs in technique
Rigidity (including tensible rigidity and compression stiffness) is equal, and therefore wind direction difference damping effect is difference；3rd, antivibrator cannot be changed
Early stage rigidity, reach default wind resistance rank, reduce the purpose of damping cost；4th, a helical spring is simultaneously in stretching and compression
Work under two states, the metal material of existing spring and production technology are difficult to meet and require, can only pass through to reduce helical spring
Regime of elastic deformation come realize stretching with compression two kinds of working conditions, this obviously can cause the wasting of resources.
The patent application of Publication No. CN 102409777A discloses " a kind of structure three-dimensional shock insulation and anti-overturning devices ",
The device includes laminated rubber damping bearing and is located at the bullet being made up of spiral compression spring of laminated rubber damping bearing bottom
Spring shock isolating pedestal, wherein spring shock-proof bearing are mainly used for isolating vertically seismic wave；But due to vertically seismic wave be two-way,
And the spring shock-proof bearing in the invention is only capable of compression power consumption；Therefore the device cannot isolator earthquake centre earth's surface moment downward
Mobile negative wave.Additionally, the device also has the rigidity that cannot change antivibrator, default antidetonation earthquake intensity is reached, reduce damping
The purpose of cost.
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 be located at spring using curing materials in solidification cylinder
Solidification, two is toward in the centre bore of helical spring to fill in constraint block, and the two interference fit makes the one section of spring contacted 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 can be seen here, although the spring in the patent application scheme can change rigidity, institute
Not only effectively active length substantially shortens the spring that states, and can only compress passive energy dissipation, it is impossible to stretch passive energy dissipation.In addition,
Change the rigidity of spring by way of changing the effective active length of spring, range of accommodation is by spring itself material and shape
Constraint, range of accommodation are extremely limited.
Content of the invention
The technical problem to be solved is to provide a kind of coiled spring damper of predeterminable early stage rigidity, the resistance
Buddhist nun's device not only maintains effective active length of spring, and 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 coiled spring damper of predeterminable early stage rigidity, the antivibrator include fairlead, one of the fairlead
The first end cap is provided with, other end is provided with the second end cap；Cylindrical helical compression spring is coaxially provided with described fairlead, one drives
By putting on the outside of the first end cap in described fairlead, the drive member includes dynamic pressure plate and drive rod to dynamic component, wherein institute
The dynamic pressure plate that states is located at the head of cylindrical helical compression spring, and the drive rod is located on dynamic pressure plate and prolongs along fairlead axis
Stretch out fairlead；Characterized in that,
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,
Two pieces of described floating platens, one piece is located between the dynamic pressure plate and cylindrical helical compression spring, another piece
It is located between the second end cap and cylindrical helical compression spring；
Two groups of described precompressed cable wires are symmetrically distributed in the cylindrical spiral shell rotating around the axis of fairlead with linear state
In the centre bore of rotation compression spring, and, of one group of precompressed cable wire is separately fixed on the floating platen adjacent with dynamic pressure plate,
Other end is each passed through the floating platen adjacent with the second end cap and is fixed on the second end cap；One point of another group of precompressed cable wire
It is not fixed on the floating platen adjacent with the second end cap, other end is each passed through the floating platen adjacent with dynamic pressure plate and is fixed on
On dynamic pressure plate；
The through hole through the precompressed cable wire is respectively equipped with the position through the precompressed cable wire on described floating platen,
Diameter of the aperture of the through hole more than worn precompressed cable wire；
Two groups of precompressed cable wires of tensioning, are equal to the distance between two pieces of floating platens and compress cylindrical helical compression spring
Length to default early stage rigidity.
In such scheme, described precompressed cable wire can be steel wire rope, or prestressing force steel hinge line.
The coiled spring damper of predeterminable early stage rigidity of the present invention, wherein described precompressed cable wire two can be adopted
Anchored with conventional method, may also be employed similar to lifting bolt or fixation is connect by the U-shaped component system of bar bending, therefore, such as
Two of described precompressed cable wire is all connect fixed dead by fruit using anchoring or lifting bolt system, then will reach default early stage rigidity
Purpose, must just precalculate and strictly control the precompressed cable wire length could default tension force, and then reach default
The purpose of early stage rigidity.But, in actual production debugging process, to be reached using the method for the control precompressed rope length
Then there are following two hang-ups in the purpose of default early stage rigidity, one is to anchor or is that the process for connecing can produce error, even if two are
Control anchoring or be error produced by the process for connecing, but precompressed cable wire also results in its characteristic ginseng in cut-out, placement process
Several changes.In order to solve above-mentioned technical barrier, an improvement project of the present invention is：
The other end of two groups of described precompressed cable wires is separately fixed at dynamic pressure plate and the second end cap using 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, wherein described taper hole are located at the side near floating platen, and tip points to floating platen, and the 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 precompressed cable wire；
Described check bolt is matched with the screwed hole, and is provided with diameter greater than the precompressed cable wire along axis in vivo
The circular hole of diameter；
, in the taper hole, check bolt is in the screwed hole for described jaw.
From above-mentioned improvement project, described floating platen is separately fixed at by one of two groups of precompressed cable wires
On, other end respectively by described cable wire self-locking anchorage clamping hole and circular hole in pass, so can the fag end system that exposes
Be connected on traction stretching machine on, draw tensioning while monitor cylindrical helical compression 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 cylindrical helical pressure
Contracting spring-compressed to meet early stage rigidity length when, turn
By locked (now needing to ensure that the second end cap and the floating platen adjacent with the second end cap are close together)；Even if during use
In vibration processes two groups of precompressed cable wires repeatedly tensioning, loose in the case of will not also loosen.
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 anti-only to need a cylindrical helical compression spring make the no matter suffered axial force of antivibrator
To, described cylindrical helical compression spring can produce elastic compression deformation and consume energy, and not only save a spring, and
The length of antivibrator is greatly shortened.
(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, the cylindrical helical compression bullet
Spring does not have a circle to fail, i.e., effectively active length is constant, will not change the original characterisitic parameter of cylindrical helical compression spring.
Description of the drawings
Structural representation of Fig. 1～6 for a specific embodiment of antivibrator of the present invention, wherein, Fig. 1 is front view
(section view), A-A sectional views of the Fig. 2 for Fig. 1, B-B sectional views of the Fig. 3 for Fig. 1, Fig. 4 are upward view, and Fig. 5 is local I in Fig. 1
Enlarged drawing, Fig. 6 are the enlarged drawing of local II in Fig. 2.
Structural representation of Fig. 7～13 for second specific embodiment of antivibrator of the present invention, wherein, Fig. 7 is main view
Figure (section view), C-C sectional views of the Fig. 8 for Fig. 7, D-D sectional views of the Fig. 9 for Fig. 7, Figure 10 are upward view, and Figure 11 is local in Fig. 7
III enlarged drawing, Figure 12 are the enlarged drawing of local IV in Fig. 7, and Figure 13 is the enlarged drawing of local V in Fig. 8.
Figure 14～16 are the structural representation of cable wire self-locking anchorage in the illustrated embodiment of Fig. 7～13, and wherein Figure 14 is main view
Figure (sectional view, double dot dash line in figure illustrate precompressed cable wire), Figure 15 are top view, and Figure 16 is the E-E sectional views of Figure 14.
Structural representation of Figure 17～19 for 3rd specific embodiment of antivibrator of the present invention, wherein, based on Figure 17
View (section view), F-F sectional views of the Figure 18 for Figure 17, G-G sectional views of the Figure 19 for Figure 17.
Specific embodiment
Example 1
Referring to Fig. 1, the coiled spring damper of the predeterminable early stage rigidity in this example is that one kind can be used for building structure and resist
The energy-dissipating device that shake is reinforced, it includes fairlead 1, is respectively provided at first end cap 2 and the second end cap 3 at 1 two of fairlead, its
In, first end cap 2 with and the second end cap 3 be fixedly connected with the two ends of fairlead by screw respectively.Described fairlead 1
A cylindrical helical compression spring 4 is inside provided with vertically, and a drive member puts in described fairlead 1 by 2 center of the first end cap
Interior, wherein, described drive member from be located at 4 upper end of cylindrical helical compression spring and dynamic with fairlead 1 with dynamic pressure plate 5
Constitute with the drive rod 5-1 for being extended upward fairlead 1 by 5 upper surface of dynamic pressure plate, the drive rod 5-1 is located at outside fairlead 1
End be provided with connection ring 5-2 with hinge hole 13, the mode pair that connection ring 5-2 is threaded connection with drive rod 5-1
It is connected together.The gap more than 4 amplitude of the cylindrical helical compression spring is provided between the dynamic pressure plate 5 and the first end cap 2.
Referring to Fig. 1 and 4, the outside of 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, 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 cylindrical helical compression spring 4 and it is located at the second end cap 3 and cylindrical helical compression spring 4
Between the second floating platen 7；
Referring to Fig. 1～6, two groups of precompressed cable wires are distributed in described respectively with linear state around 1 axisymmetrical of fairlead
In the centre bore of cylindrical helical compression spring 4, each precompressed cable wire is each parallel to 1 axis of fairlead, and first group of precompressed
Distance of the cable wire 8 away from fairlead axis is equal to distance of second group of precompressed cable wire 9 away from fairlead axis；Wherein, described first group
The following of precompressed cable wire 8 is fixed on the second floating platen 7 by lifting bolt 14 respectively, and top is each passed through the first floating platen
6 are fixed on the dynamic pressure plate 5 by lifting bolt 14；The top of second group of precompressed cable wire 9 is consolidated by lifting bolt 14 respectively
It is scheduled on the first floating platen 6, following is fixed on the second end cap 3 through the second floating platen 7 by lifting bolt 14；Described
The position passed through in each first group of precompressed cable wire 8 on one floating platen 6 is provided with the first through hole 10 that passes through for which, and this first
Diameter of the aperture of through hole 10 more than first group of precompressed cable wire 8；Pre- at each second group on second floating platen 7
The position that compressed steel rope 9 is passed through is provided with the second through hole 11 passed through for which, and the aperture of second through hole 11 is pre- more than described second group
The diameter of compressed steel rope 9；The method that two of described precompressed cable wire is fixed on by lifting bolt in respective members is：By suspension ring spiral shell
Nail 14 is fixed on corresponding component, is then to be connected on the suspension ring of lifting bolt by one of precompressed cable wire, and by steel wire rope
Folder (being not drawn in figure) is fixed dead.
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.
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) cylindrical helical compression spring 4 is determined according to the coefficient of elasticity of default early stage rigidity and cylindrical helical compression spring 4 first
Decrement, and then calculate the length of each first group of precompressed cable wire 8 and second group of precompressed cable wire 9；(2) pressing Fig. 1～3 will circle
Cylindrical coil compression spring 4, backpressure device and drive member are connected, and then adjusting repeatedly makes the reality of each precompressed cable wire
Length is equal with computational length and fixed dead with common rope cramp (not showing in figure), by cylindrical helical compression spring 4
All the time it is clamped between the first floating platen 6 and the second floating platen 7；Then, (3) are put in fairlead 1 and cover first end
Lid 2 with and the second end cap 3, finally connection ring 5-2 is docked with drive rod 5-1, obtain final product described in predeterminable early stage rigidity
Coiled spring damper.
Referring to Fig. 1, two groups of precompressed cable wires pull two pieces of floating platens respectively and compress the cylindrical helical compression bullet
Spring 4 provides precompression for which, the size for being scalable precompression by the length for adjusting cable wire, and then which is firm to reach default morning
The purpose of degree.Referring to Fig. 1, 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 precompression, and cylindrical helical compression spring 4 will not continue to deformation.When external load is more than the precompression
When, if external load is pressure, the dynamic pressure plate 5 promotes first floating platen 6 to continue compression cylindrical helical compression bullet
Spring 4 produces elastic deformation power consumption, if external load is pulling force, it is relative that two groups of precompressed cable wires pull two pieces of floating platens respectively
Mobile compression cylindrical helical compression spring 4 produces elastic deformation power consumption.Because no matter the dynamic loading suffered by antivibrator for drawing or
Pressure, the deformation of final generation is the compression of cylindrical helical compression spring 4, so the bidirectional elastic deformation of antivibrator must
It is so symmetrical.
Example 2
This example has following difference with example 1：
Referring to Fig. 7～9, first group of precompressed cable wire 8 and second group of precompressed cable wire 9 are constituted by four precompressed cable wires.
Also, distance of the distance of first group of precompressed cable wire 8 away from fairlead axis more than second group of precompressed cable wire 9 away from fairlead axis.
Referring to Fig. 7～13, 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 15 alternative 1 of cable wire self-locking anchorage.
Referring to Figure 14～16, and Fig. 7 is combined, described cable wire self-locking anchorage 15 is by the installation being arranged on installing plate 15-1
Hole, jaw 15-2 and check bolt 15-4 are constituted, and wherein, the installing plate 15-1 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, wherein described taper hole are located at the side by floating platen, and tip points to institute's floating platen, and screwed hole is located remotely from floating
Pressing plate side.Described jaw 15-2 is to match cone with the taper hole, and is made up of 3 lobes, and which is provided with along axis in vivo
Clamp clamping hole 15-3 of corresponding precompressed cable wire.Described check bolt 15-4 is matched with the screwed hole, and in vivo along axle
Line is provided with the circular hole 15-5 with diameter greater than corresponding precompressed rope diameter.Described jaw 15-2 is in the taper hole, locking
Bolt 15-4 is in the screwed hole；The other end of corresponding cable wire is clamped in described clamping hole 15-3, and end
End is passed from the circular hole 15-5 of correspondingly check bolt 15-4.
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 head system of compressed steel rope 9 is connected on traction stretching machine, monitors the compression of cylindrical helical compression spring 4 while tensioning is drawn
Amount (as tensioning distance), to determine the distance between two pieces of floating platens；When the distance between two pieces of floating platens are equal to
When cylindrical helical compression spring 4 is compressed to the length for meeting early stage rigidity, promote by turning check bolt 15-4 described
Precompressed cable wire is clamped and locked by jaw 15-2, so as to cylindrical helical compression spring 4 is clamped in the first floating platen 6 all the time
Between the second floating platen 7.
This example is above-mentioned same as Example 1 with implementation.
Example 3
Referring to Figure 17～19, the coiled spring damper of the predeterminable early stage rigidity in this example can be used for building for one kind
The isolation mounting (also referred to as shock isolating pedestal) of vertical earthquake isolating, 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 1 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
16, 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
15 length for being exposed at 3 Outboard Sections of the second end cap.The drive rod 5-1 of the drive member is for one by 5 upper surface guide of dynamic pressure plate
The metal tube extended to outside set 1, the metal tube are fixedly connected by sunk screw with dynamic pressure plate 5, and the metal tube is located at and is oriented to
End outside set 1 is provided with connection supporting plate 17, and, link bolt hole 16 is again provided with the connection supporting plate 17.Described first end
Lid 2 is extended internally by 1 upper end of fairlead and is constituted.
2nd, first group of precompressed cable wire 8 and second group of precompressed cable wire 9 are made up of three cable wires respectively, and first group of precompressed
Distance of the cable wire 8 away from fairlead axis is equal to distance of second group of precompressed cable wire 9 away from fairlead axis.
This example other embodiment other than the above is same as Example 2.
Claims (5)
1. a kind of coiled spring damper of predeterminable early stage rigidity, the antivibrator include fairlead, and of the fairlead sets
There are the first end cap, other end to be provided with the second end cap；Cylindrical helical compression spring is coaxially provided with described fairlead, one drives
By putting on the outside of the first end cap in described fairlead, the drive member includes dynamic pressure plate and drive rod to component, wherein described
Dynamic pressure plate be located at cylindrical helical compression spring head, the drive rod be located on dynamic pressure plate and along fairlead axis extend
Go out fairlead；Characterized in that,
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,
Two pieces of described floating platens, one piece is located between the dynamic pressure plate and cylindrical helical compression spring, and another piece is located at
Between second end cap and cylindrical helical compression spring；
Two groups of described precompressed cable wires are symmetrically distributed in the cylindrical helical pressure rotating around the axis of fairlead with linear state
In the centre bore of contracting spring, and, of one group of precompressed cable wire is separately fixed on the floating platen adjacent with dynamic pressure plate, another
Head is each passed through the floating platen adjacent with the second end cap and is fixed on the second end cap；One of another group of precompressed cable wire is solid respectively
It is scheduled on the floating platen adjacent with the second end cap, other end is each passed through the floating platen adjacent with dynamic pressure plate and is fixed on dynamic pressure
On plate；
The through hole through the precompressed cable wire is respectively equipped with the position through the precompressed cable wire on described floating platen, this leads to
Diameter of the aperture in hole more than worn precompressed cable wire；
Two groups of precompressed cable wires of tensioning, make the distance between two pieces of floating platens pre- equal to cylindrical helical compression spring to be compressed to
If the length of early stage rigidity.
2. the coiled spring damper of a kind of predeterminable early stage rigidity according to claim 1, it is characterised in that this can be pre-
If the coiled spring damper of early stage rigidity is the antivibrator that reinforces for building structure aseismatic.
3. the coiled spring damper of a kind of predeterminable early stage rigidity according to claim 1, it is characterised in that this can be pre-
If the coiled spring damper of early stage rigidity is the vertical earthquake isolating equipment for Antiseismic building.
4. the coiled spring damper of a kind of predeterminable early stage rigidity according to claim 1,2 or 3, it is characterised in that
Described precompressed cable wire is steel wire rope or prestressing force steel hinge line.
5. the coiled spring damper of a kind of predeterminable early stage rigidity according to claim 4, it is characterised in that described
The other end of two groups of precompressed cable wires is separately fixed on dynamic pressure plate and the second end cap using cable wire self-locking anchorage；Described cable wire is certainly
Break adrift tool 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
Into wherein described taper hole is located at the side near floating platen, and tip points to floating platen, and the 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 it is pre- which is provided with clamping along axis in vivo
The clamping hole of compressed steel rope；
Described check bolt is matched with the screwed hole, and is provided with diameter greater than the precompressed rope diameter along axis in vivo
Circular hole；
, in the taper hole, check bolt is in the screwed hole for described jaw.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610906764.6A CN106499762B (en) | 2016-10-17 | 2016-10-17 | A kind of coiled spring damper of predeterminable early stage rigidity |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610906764.6A CN106499762B (en) | 2016-10-17 | 2016-10-17 | A kind of coiled spring damper of predeterminable early stage rigidity |
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| CN106499762B CN106499762B (en) | 2018-02-16 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108938151A (en) * | 2018-08-09 | 2018-12-07 | 深圳市龙岗区人民医院 | A kind of elasticity intervertebral disk prosthesis |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE793106A (en) * | 1971-12-23 | 1973-06-20 | Allinquant F M | ADVANCED TELESCOPIC HYDRAULIC SHOCK ABSORBERS |
| CN202298970U (en) * | 2011-09-30 | 2012-07-04 | 福州大学 | Device having three-dimensional seismic isolation and anti-turnover structure |
| CN103161864B (en) * | 2013-03-15 | 2015-07-15 | 重庆大学 | Three-directional friction adjustable strong-impact-resisting vibration isolator |
| CN103437447B (en) * | 2013-09-10 | 2015-07-22 | 隔而固(青岛)振动控制有限公司 | Low-frequency swing-type tuned mass damper |
| CN204081122U (en) * | 2014-10-08 | 2015-01-07 | 尤亮 | A kind of wind resistance damping spring damper for building |
-
2016
- 2016-10-17 CN CN201610906764.6A patent/CN106499762B/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108938151A (en) * | 2018-08-09 | 2018-12-07 | 深圳市龙岗区人民医院 | A kind of elasticity intervertebral disk prosthesis |
| CN108938151B (en) * | 2018-08-09 | 2024-05-14 | 深圳市龙岗区人民医院 | Elastic intervertebral disc prosthesis |
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| CN106499762B (en) | 2018-02-16 |
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