CN106499762B - 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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- CN106499762B CN106499762B CN201610906764.6A CN201610906764A CN106499762B CN 106499762 B CN106499762 B CN 106499762B CN 201610906764 A CN201610906764 A CN 201610906764A CN 106499762 B CN106499762 B CN 106499762B
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- cable wire
- end cap
- precompressed cable
- guide sleeve
- 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
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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
-
- 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)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Electromagnetism (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
- Springs (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 guide sleeve, the backpressure device includes the two groups of precompressed cable wires and two pieces of floating platens that quantity is at least three respectively, wherein, two groups of described precompressed cable wires are symmetrically distributed in the centre bore of the cylindrical helical compression spring rotating around the axis of guide sleeve with linear state, 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 described precompressed cable wires of 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 the damper using cylindrical helical compression spring.
Background technology
Damper is a kind of to provide the damping device that the resistance of motion carrys out depletion kinergety.Consumed energy using damper
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, the technology using damper energy-dissipating and shock-absorbing is applied to building, bridge, railway etc. that people start progressively are tied
In structure engineering.And coiled spring damper is so that its impact resistance is high, cost is low, good damping effect characteristic is widely used in
In the anti-seismic structure of various buildings.
Design of the people for the anti-seismic structure of building especially skyscraper is pursued a kind of " anti-" and is combined with " consumption "
Synthesis anti-seismic performance, i.e., anti-seismic structure can provide extra attached for building main body in the presence of weak wind shake and small earthquake
Add rigidity to resist the effect of external load, the integrality of retainer body structure, avoid main structure body from internal injury occur, and
High wind shakes then starts yield deformation with anti-seismic structure in the presence of violent earthquake, passes through the damping action of the damper in anti-seismic structure
Come the external energy that dissipates, main structure body is shaken in high wind and is unlikely to be seriously damaged in violent earthquake or even collapses, ensure people
Safety of life and property.This just requires that rigidity can be kept in the presence of outside weak load by being applied to anti-seismic structure, not occurred
Deformation；Power consumption can be then deformed in the presence of outside strong load.But existing spring-damper can not 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 for the Antiseismic building structure pursued is difficult to realize.
Authorization Notice No. is that the U of CN 204081122 utility application discloses a kind of wind resistance damping for building
Spring-damper, two elastomers (i.e. two helical springs) that the damper is directed in set are respectively and fixedly connected with center shaft
On middle limiter assembly, when damper is tension or in compression, one of elastomer tension, another elastomer is pressurized, so as to real
Existing wind resistance damping.But the utility model patent is clearly present following shortcomings：1st, two helical springs, whole damper are needed
Length it is longer, be not suitable in space mounting in small distance；2nd, it is difficult and even impossible two springs of guarantee in technique
Rigidity (including tensible rigidity and compression stiffness) is equal, therefore wind direction difference damping effect is difference；3rd, damper can not 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
Worked under two states, the metal material and production technology of existing spring are difficult to meet to require, can only be by reducing helical spring
Regime of elastic deformation come realize stretching with compression two kinds of working conditions, this obviously can cause the wasting of resources.
Publication No. CN 102409777A patent application 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 because vertical seismic action ripple is two-way,
And the spring shock-proof bearing in the invention is only capable of compression power consumption；Therefore the device can not isolator earthquake centre earth's surface moment it is downward
Mobile negative wave.In addition, the device also presence can not change the rigidity of damper, reach default antidetonation earthquake intensity, reduce damping
The purpose of cost.
Publication No. CN101457553A application for a patent for invention discloses one kind, and " spring stiffness adjustable tuning quality subtracts
Shake device ", the shock absorber is a kind of composite buffer, and the thickness by changing mass changes its characteristic frequency, viscous by changing
The flow of the working media of stagnant damper 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, first, using one section of curing materials by spring in solidification cylinder
Solidification, second, toward constraint block is filled in the centre bore of helical spring, the two is interference fitted, and makes the one section of spring contacted with constraint block
Failure, third, setting helical raised on constraint block surface, between helical raised is stuck in into spring wire, make 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 effective active length substantially shortens the spring stated, and can only compress passive energy dissipation, it is impossible to stretches passive energy dissipation.In addition,
Change the rigidity of spring by way of changing the effective active length of spring, adjustable range is by spring itself material and shape
Constraint, adjustable range are extremely limited.
The content of the invention
The technical problems to be solved by the invention are 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 solve above-mentioned technical problem technical scheme be：
A kind of coiled spring damper of predeterminable early stage rigidity, the damper include guide sleeve, one of the guide sleeve
Provided with the first end cap, other end is provided with the second end cap；Cylindrical helical compression spring is coaxially provided with described guide sleeve, one drives
For dynamic component by being put on the outside of the first end cap in described guide sleeve, the drive member includes dynamic pressure plate and drive rod, wherein institute
The dynamic pressure plate stated is located at the head of cylindrical helical compression spring, and the drive rod is located on dynamic pressure plate and prolonged along guide sleeve axis
Stretch out guide sleeve；Characterized in that,
Be additionally provided with backpressure device in described guide sleeve, the backpressure device include quantity be at least respectively two groups of three it is pre-
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 guide sleeve with linear state
In the centre bore for revolving compression spring, and, one 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,
The aperture of the through hole is more than the diameter of worn precompressed cable wire；
Two groups of precompressed cable wires are tensioned, is equal to the distance between two pieces of floating platens and compresses cylindrical helical compression spring
To the length of 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 adopt
Anchored with the method for routine, also can use 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 and is fixed using anchoring or lifting bolt system by fruit, then to reach default early stage rigidity
Purpose, must just precalculate and strictly control the precompressed cable wire length could default tension force, it is and then default
The purpose of early stage rigidity.But in actual production debugging process, the method for controlling the precompressed rope length is used to reach
Following two hang-ups then be present in the purpose of default early stage rigidity, when anchoring or be that the process connect can produce error, second, even if
Control anchoring or be error produced by the process connect, 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, of the invention improvement project 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 mounting hole, clamping jaw and check bolt, wherein,
Described mounting hole is located on dynamic pressure plate or the second end cap；Described mounting hole is by one section of taper hole and one section of screwed hole
Composition, wherein the taper hole is located at close to the side of floating platen, and tip points to floating platen, and the screwed hole is located remotely from
The side of floating platen；
Described clamping jaw is to match cone with the taper hole, and is made up of 3~5 valves, and it is provided with folder along axis in vivo
Hold the clamping hole of precompressed cable wire；
Described check bolt matches with the screwed hole, and is more than the precompressed cable wire provided with diameter along axis in vivo
The circular hole of diameter；
Described clamping jaw is arranged in the taper hole, and check bolt is arranged in the screwed hole.
From above-mentioned improvement project, described floating platen is separately fixed at by one of two groups of precompressed cable wires
On, other end, so can be the fag end system exposed respectively by being passed in the clamping hole and circular hole of described cable wire self-locking anchorage
Be connected on traction stretching machine on, while tensioning draw 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
During contracting spring-compressed to the length for meeting early stage rigidity, turning check bolt can promote the clamping jaw to clamp precompressed cable wire simultaneously
It is locked (now to need to ensure that the second end cap and the floating platen adjacent with the second end cap are close together)；During use even in
In vibration processes two groups of precompressed cable wires be tensioned repeatedly, it is loose in the case of will not also loosen.
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) only need a cylindrical helical compression spring that the no matter suffered axial force of damper can be made to be positive or anti-
To, described cylindrical helical compression spring can produce elastic compression deformation and consume energy, and not only save a 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 outside
The effect that the change of the positive negative direction of power load does not influence its compression and consumed energy.
(3) the early stage rigidity of whole damper can be changed by changing the length of precompressed cable wire, when early stage rigidity is more than zero,
External force can not be deformed damper before the early stage rigidity is overcome, therefore when using it for building structure aseismatic, can be pre-
If earthquake protection grade, significantly reduce shock insulation cost.
(4) length for presetting the precompressed cable wire is predeterminable damper early stage rigidity, the cylindrical helical compression bullet
Spring fails without a circle, i.e., effective active length is constant, will not change the original characterisitic parameter of cylindrical helical compression spring.
Brief description of the drawings
Fig. 1~6 are the structural representation of a specific embodiment of damper of the present invention, wherein, Fig. 1 is front view
(section view), Fig. 2 are Fig. 1 A-A sectional views, and Fig. 3 is Fig. 1 B-B sectional views, and Fig. 4 is upward view, and Fig. 5 is local I in Fig. 1
Enlarged drawing, Fig. 6 are in Fig. 2 local II enlarged drawing.
Fig. 7~13 are the structural representation of second specific embodiment of damper of the present invention, wherein, Fig. 7 is main view
Scheme (section view), Fig. 8 is Fig. 7 C-C sectional views, and Fig. 9 is Fig. 7 D-D sectional views, and Figure 10 is upward view, and Figure 11 is local in Fig. 7
III enlarged drawing, Figure 12 are in Fig. 7 local IV enlarged drawing, and Figure 13 is in Fig. 8 local V enlarged drawing.
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 signal precompressed cable wire in figure), Figure 15 is top view, and Figure 16 is Figure 14 E-E sectional views.
Figure 17~19 are the structural representation of 3rd specific embodiment of damper of the present invention, wherein, based on Figure 17
View (section view), Figure 18 are Figure 17 F-F sectional views, and Figure 19 is Figure 17 G-G sectional views.
Embodiment
Example 1
Referring to Fig. 1, the coiled spring damper of the predeterminable early stage rigidity in this example is that one kind resists available for building structure
The energy-dissipating device reinforced is shaken, it includes guide sleeve 1, is respectively provided at first end cap 2 and the second end cap 3 at the two of guide sleeve 1, its
In, first end cap 2 with and the second end cap 3 be fixedly connected respectively with the both ends of guide sleeve by screw.Described guide sleeve 1
Interior edge is axially arranged with a cylindrical helical compression spring 4, and a drive member is put in described guide sleeve 1 by the center of the first end cap 2
It is interior, wherein, described drive member from positioned at the upper end of cylindrical helical compression spring 4 and with guide sleeve 1 it is dynamic with dynamic pressure plate 5
Formed with the drive rod 5-1 that guide sleeve 1 is extended upward by the upper surface of dynamic pressure plate 5, the drive rod 5-1 is located at outside guide sleeve 1
End be provided with the mode pair that is connected through a screw thread of connection ring 5-2, the connection ring 5-2 and drive rod 5-1 with hinge hole 13
It is connected together.The gap more than the amplitude of cylindrical helical compression spring 4 is provided between the end cap 2 of dynamic pressure plate 5 and first.
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, backpressure device is provided with described guide sleeve 1, 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 with linear state around the axisymmetrical of guide sleeve 1 respectively
In the centre bore of cylindrical helical compression spring 4, each precompressed cable wire is each parallel to the axis of guide sleeve 1, and first group of precompressed
Distance of the cable wire 8 away from guide sleeve axis is equal to the second group of distance of precompressed cable wire 9 away from guide sleeve 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 first through hole 10 passed through for it is provided with one floating platen 6 in the position that each first group of precompressed cable wire 8 passes through, this first
The aperture of through hole 10 is more than the diameter of first group of precompressed cable wire 8；It is pre- at each second group on second floating platen 7
The position that compressed steel rope 9 passes through is provided with the second through hole 11 passed through for it, 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 into figure) is fixed.
Described precompressed cable wire in this example can be steel wire rope or prestressing force steel hinge line, when it is implemented, can
Voluntarily chosen according to being actually needed.
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 first determined according to the coefficient of elasticity of default early stage rigidity and cylindrical helical compression spring 4
Decrement, and then calculate the length of each first group of precompressed cable wire 8 and second group of precompressed cable wire 9；(2) will circle by Fig. 1~3
Cylindrical coil compression spring 4, backpressure device and drive member connect, and then regulation makes the reality of each precompressed cable wire repeatedly
Length is equal with computational length and is fixed with common rope cramp (not shown 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 into guide sleeve 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, produce 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 and compress the cylindrical helical compression bullet respectively
Spring 4 provides precompression for it, the size of the i.e. adjustable precompression of the length by adjusting cable wire, and then default morning, it was firm
The purpose of degree.Referring to Fig. 1, when external load of the damper by axial direction, no matter external load is pressure or pulling force, as long as
It 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 to compress 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 damper to draw or
Pressure, final caused deformation are the compression of cylindrical helical compression spring 4, so the bidirectional elastic deformation of damper 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 form by four precompressed cable wires.
Also, the first group of distance of precompressed cable wire 8 away from guide sleeve axis is more than the second group of distance of precompressed cable wire 9 away from guide sleeve axis.
Referring to Fig. 7~13, the top of described 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 lifting bolt in the alternative 1 of cable wire self-locking anchorage 15 on the end cap 3 of dynamic pressure plate 5 and second.
Referring to Figure 14~16, and Fig. 7 is combined, described cable wire self-locking 15 installation by being arranged on installing plate 15-1 of anchorage
Hole, clamping jaw 15-2 and check bolt 15-4 are formed, wherein, the installing plate 15-1 is the end cap 3 of dynamic pressure plate 5 or second.It is described
Mounting hole axis it is conllinear with the straight line where corresponding precompressed cable wire；Described mounting hole is by one section of taper hole and a screwed hole
Composition, wherein the taper hole is 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 clamping jaw 15-2 is to match cone with the taper hole, and is made up of 3 valves, and it is provided with along axis in vivo
Clamp the clamping hole 15-3 of corresponding precompressed cable wire.Described check bolt 15-4 matches with the screwed hole, and in vivo along axle
Line is provided with the circular hole 15-5 that diameter is more than corresponding precompressed rope diameter.Described clamping jaw 15-2 is arranged in the taper hole, locking
Bolt 15-4 is arranged in the screwed hole；The other end of corresponding cable wire is clamped in described clamping hole 15-3, and end
End passes from corresponding check bolt 15-4 circular hole 15-5.
Made by the scheme of this example after assembling the damper, the first group of precompressed cable wire 8 exposed and second group is pre-
The head system of compressed steel rope 9 is connected on traction stretching machine, and the compression of cylindrical helical compression spring 4 is monitored while tensioning is drawn
Amount (being 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 into the length for meeting early stage rigidity, turn check bolt 15-4 can promote it is described
Clamping jaw 15-2 clamps precompressed cable wire and locked, so as to which cylindrical helical compression spring 4 is clamped in into 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 mainly have following difference compared with example 2：
1st, as shock isolating pedestal, for ease of installation, connection otic placode set on second end cap 3 in example 1 is eliminated in this example,
And the second end cap 3 is first extended axially downwards from edge and extended radially outwards again, 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, wherein the length extended axially downwards need to be more than the cable wire self-locking anchorage
15 are exposed at the length of the Outboard Sections of the second end cap 3.The drive rod 5-1 of the drive member is one by the upper surface guide of dynamic pressure plate 5
The metal tube extended to outside set 1, the metal tube are fixedly connected with dynamic pressure plate 5 by sunk screw, and the metal tube is positioned at guiding
End outside set 1 is provided with connection supporting plate 17, and, it is again provided with link bolt hole 16 on the connection supporting plate 17.Described first end
Lid 2 is extended internally by the upper end of guide sleeve 1 and formed.
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 guide sleeve axis is equal to the second group of distance of precompressed cable wire 9 away from guide sleeve 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 damper include guide sleeve, one of the guide sleeve sets
There is the first end cap, other end is provided with the second end cap；Cylindrical helical compression spring, a driving are coaxially provided with described guide sleeve
Component on the outside of the first end cap by putting in described guide sleeve, and the drive member includes dynamic pressure plate and drive rod, wherein described
Dynamic pressure plate be located at the head of cylindrical helical compression spring, the drive rod is located on dynamic pressure plate and extended along guide sleeve axis
Go out guide sleeve；Characterized in that,
Backpressure device is additionally provided with described guide sleeve, the backpressure device includes two groups of pre- compressed steel that quantity is at least 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 guide sleeve with linear state
In the centre bore of contracting spring, and, one 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 is logical
The aperture in hole is more than the diameter of worn precompressed cable wire；
Two groups of precompressed cable wires are tensioned, make the distance between two pieces of floating platens pre- equal to cylindrical helical compression spring is 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 damper reinforced 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.
A kind of 4. coiled spring damper 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 mounting hole, clamping jaw and check bolt, wherein,
Described mounting hole is located on dynamic pressure plate or the second end cap；Described mounting hole is by one section of taper hole and one section of screwed hole group
Into wherein the taper hole is located at close to the side of floating platen, and tip points to floating platen, and the screwed hole is located remotely from floating
The side of dynamic pressure plate；
Described clamping jaw is to match cone with the taper hole, and is made up of 3~5 valves, and it is pre- that it is provided with clamping along axis in vivo
The clamping hole of compressed steel rope；
Described check bolt matches with the screwed hole, and is more than the precompressed rope diameter provided with diameter along axis in vivo
Circular hole；
Described clamping jaw is arranged in the taper hole, and check bolt is arranged in the screwed hole.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| 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 |
|---|---|---|---|
| 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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| CN106499762A CN106499762A (en) | 2017-03-15 |
| CN106499762B true CN106499762B (en) | 2018-02-16 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610906764.6A Active CN106499762B (en) | 2016-10-17 | 2016-10-17 | A kind of coiled spring damper of predeterminable early stage rigidity |
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| 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 |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1414810A (en) * | 1971-12-23 | 1975-11-19 | Allinquant F M | Hydraulic dampers of the telescopic type |
| CN202298970U (en) * | 2011-09-30 | 2012-07-04 | 福州大学 | Device having three-dimensional seismic isolation and anti-turnover structure |
| CN103161864A (en) * | 2013-03-15 | 2013-06-19 | 重庆大学 | Three-directional friction adjustable strong-impact-resisting vibration isolator |
| CN103437447A (en) * | 2013-09-10 | 2013-12-11 | 隔而固(青岛)振动控制有限公司 | Low-frequency swing-type tuned mass damper |
| 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
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1414810A (en) * | 1971-12-23 | 1975-11-19 | Allinquant F M | Hydraulic dampers of the telescopic type |
| CN202298970U (en) * | 2011-09-30 | 2012-07-04 | 福州大学 | Device having three-dimensional seismic isolation and anti-turnover structure |
| CN103161864A (en) * | 2013-03-15 | 2013-06-19 | 重庆大学 | Three-directional friction adjustable strong-impact-resisting vibration isolator |
| CN103437447A (en) * | 2013-09-10 | 2013-12-11 | 隔而固(青岛)振动控制有限公司 | Low-frequency swing-type tuned mass damper |
| CN204081122U (en) * | 2014-10-08 | 2015-01-07 | 尤亮 | A kind of wind resistance damping spring damper for building |
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|---|---|
| CN106499762A (en) | 2017-03-15 |
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