CN106499763B - A kind of coiled spring damper that can adjust early stage rigidity - Google Patents

A kind of coiled spring damper that can adjust early stage rigidity Download PDF

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Publication number
CN106499763B
CN106499763B CN201610906594.1A CN201610906594A CN106499763B CN 106499763 B CN106499763 B CN 106499763B CN 201610906594 A CN201610906594 A CN 201610906594A CN 106499763 B CN106499763 B CN 106499763B
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CN
China
Prior art keywords
precompressed cable
early stage
damper
cable wire
floating
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CN201610906594.1A
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CN106499763A (en
Inventor
沈珊
胡济福
胡济全
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Tongcheng quality inspection and Testing Center
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Anhui Xinze Technology Co Ltd
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00Vibration-dampers; Shock-absorbers
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02DFOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
    • E02D31/00Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
    • E02D31/08Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against transmission of vibrations or movements in the foundation soil
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F1/00Springs
    • F16F1/02Springs made of steel or other material having low internal friction; Wound, torsion, leaf, cup, ring or the like springs, the material of the spring not being relevant
    • F16F1/04Wound springs
    • F16F1/12Attachments or mountings
    • F16F1/121Attachments or mountings adjustable, e.g. to modify spring characteristics
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2228/00Functional characteristics, e.g. variability, frequency-dependence
    • F16F2228/06Stiffness
    • F16F2228/066Variable stiffness
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2228/00Functional characteristics, e.g. variability, frequency-dependence
    • F16F2228/08Functional characteristics, e.g. variability, frequency-dependence pre-stressed
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2234/00Shape
    • F16F2234/02Shape cylindrical
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16FSPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F2238/00Type of springs or dampers
    • F16F2238/02Springs
    • F16F2238/026Springs wound- or coil-like

Abstract

The invention discloses a kind of coiled spring dampers that can adjust early stage rigidity, it is characterized in that, it is additionally provided with backpressure device between the two end plates of the damper, the backpressure device includes quantity at least three two groups of precompressed cable wires and two pieces of floating platens respectively, wherein, two pieces of floating platens are respectively sleeved on one piece of guide rod between end plate and cylindrical helical compression spring;Two groups of precompressed cable wires are symmetrically distributed in linear state the surrounding of the cylindrical helical compression spring rotating around the axis of guide rod, and, one of each group of precompressed cable wire is separately fixed on one piece of floating platen, and other end is each passed through another piece of floating platen and is fixed on the end plate adjacent with the floating platen;It is serially connected with a wire tensioner in the middle part of each precompressed cable wire;Tensioning two groups of precompressed cable wires, cylindrical helical compression spring are clamped in always between two pieces of floating platens.

Description

A kind of coiled spring damper that can adjust early stage rigidity
Technical field
The present invention relates to damping devices, more particularly to the damper using helical spring.
Background technology
Damper is a kind of to provide the damping device that the resistance moved carrys out depletion kinergety.It is consumed energy using damper Damping is a kind of traditional technology being widely used in space flight, aviation, military project, firearms and automobile and other industries.From twentieth century Since the seventies, people start gradually the technology using damper energy-dissipating and shock-absorbing is applied to the knots such as building, bridge, railway In structure engineering.And coiled spring damper is with its impact resistance that high, at low cost, good damping effect characteristic is widely used in In the anti-seismic structure of various buildings.
People pursue a kind of " anti-" for the design of the anti-seismic structure of building especially skyscraper and are combined with " consumption " Synthesis anti-seismic performance, i.e., under the action of weak wind shake and small earthquake anti-seismic structure can be provided for building main body it is additional attached Adding rigidity to resist the effect of external load, the integrality of retainer body structure avoids main structure body from internal injury occur, and High wind shakes then starts yield deformation with anti-seismic structure under the action 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 made to shake in high wind and be unlikely to be seriously damaged in violent earthquake or even collapse, ensures people Safety of life and property.This just requires that rigidity can be kept under the action of external weak load applied to anti-seismic structure, does not occur Deformation;Energy consumption can be then deformed under the action of external intense loading lotus.However existing spring-damper also cannot be satisfied above-mentioned antidetonation Demand, any spring-damper will produce more or less flexible deformation under the action 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 utility application of 204081122 U of CN discloses a kind of wind resistance damping for building Two elastomers (i.e. two helical springs) in guide sleeve are respectively and fixedly connected on center shaft by spring-damper, the damper On centre limitation component, when damper is tension or in compression, one of elastomer tension, another elastomer is pressurized, to real Existing wind resistance damping.But the utility model patent is clearly present following disadvantages:1, two helical springs, entire damper are needed Length it is longer, be not suitable for installing in the smaller space of distance;2, 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;3, damper can not be changed Early stage rigidity, reach default wind resistance rank, reduce the purpose of damping cost;4, a helical spring is being stretched and is being compressed simultaneously It works under two states, the metal material and production technology of existing spring are difficult to meet the requirements, can only be by reducing helical spring Regime of elastic deformation come realize stretching with compression two kinds of working conditions, this will obviously result in waste 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 of laminated rubber damping bearing lower part being made of spiral compression spring Spring shock isolating pedestal, wherein spring shock-proof bearing are mainly used for isolating vertically seismic wave;But due to vertically seismic wave be it is two-way, And the spring shock-proof bearing in the invention is only capable of compressive deformation energy consumption;Therefore the device can not isolator earthquake centre earth's surface moment it is downward Mobile negative wave.In addition, there is also the rigidity that can not change damper for the device, reaches default antidetonation earthquake intensity, 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 ", which is a kind of composite buffer, and the thickness by changing mass block changes its characteristic frequency, viscous by changing The flow of the working media of stagnant damper changes its damping ratio, and effective active length by changing spring changes its rigidity, There are three types of the means of the middle effective active length for changing spring, first, spring to be located to one section cured in cylinder using curing materials Solidification, second is that filling in constraint block in the centre bore of helical spring, the two interference fit makes contacted with constraint block one section of spring Failure between helical raised is stuck in spring wire, makes to block between spring wire third, helical raised is arranged on constraint block surface There is one section of spring failure of helical raised.It can be seen that although rigidity, institute can be changed in the spring in the patent application scheme Not only effective active length is obviously shortened the spring stated, but also can only compress passive energy dissipation, cannot stretch 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.
Invention content
Technical problem to be solved by the invention is to provide a kind of coiled spring dampers that can adjust early stage rigidity, should Damper not only maintains effective active length of helical spring, but also not only compressible passive energy dissipation, but also stretchable passive energy dissipation.
The present invention solve above-mentioned technical problem technical solution be:
A kind of coiled spring damper that can adjust early stage rigidity, the damper include two end plates, described two pieces Cylindrical helical compression spring is equipped between end plate, one of end plate is equipped with guide rod, and the guide rod is along the cylinder The centre bore of spiral compression spring is pierced by another end plate;It is characterized in that,
It is additionally provided with backpressure device between the two end plates, which includes two that quantity is at least three respectively Organize the wire tensioner that precompressed cable wire, two pieces of floating platens and quantity are the sum of described two groups of precompressed cable wire quantity, wherein
Two pieces of floating platens are respectively sleeved at one piece of guide rod between end plate and cylindrical helical compression spring On;
Two groups of precompressed cable wires are symmetrically distributed in the cylindrical spiral shell rotating around the axis of guide rod with linear state The surrounding of compressed spring is revolved, and, one of each group of precompressed cable wire is separately fixed on one piece of floating platen, and other end is worn respectively Another piece of floating platen is crossed to be fixed on the end plate adjacent with the floating platen;
The through-hole for wearing the precompressed cable wire is being respectively equipped with across the position of the precompressed cable wire on the floating platen, The aperture of the through-hole is more than the diameter of worn precompressed cable wire;
The wire tensioner concatenates the middle part of the precompressed cable wire;
Two groups of precompressed cable wires are tensioned, so that the distance between two pieces of floating platens is equal to and compresses cylindrical helical compression spring To the length of default early stage rigidity.
In said program, the precompressed cable wire can be steel wire rope, can also be prestressing force steel hinge line.
The coiled spring damper of the present invention that early stage rigidity can be adjusted, wherein the precompressed cable wire both ends can It is anchored using conventional method, can also be used similar to lifting bolt or fixation is connect by the U-shaped component system of bar bending.
The normal work of damper is influenced to prevent dust and other sundries from falling on cylindrical helical compression spring, this Invention an improvement project be:Protective case of the packet equipped with one layer of rubber on the outside of the backpressure device, the both ends point of the protective case Peripheral surface not with two pieces of floating platens bonds together.
Damper of the present invention can be widely used for various one-dimensional shock insulation fields, e.g., mechanical 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, the cylindrical helical compression spring can generate 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 resilience of early stage rigidity set by damper, bidirectional elastic deformation is symmetrical, because in addition The variation of the positive negative direction of power load does not influence its compressive deformation and the effect that consumes energy.
(3) it is that the length of the precompressed cable wire can be changed, and then change the early stage of entire damper to adjust wire tensioner Rigidity, when early stage rigidity be more than zero when, external force can not be such that damper is deformed before overcoming the early stage rigidity, thus by its When for building structure aseismatic, predeterminable earthquake protection grade significantly reduces shock insulation cost.
(4) length, that is, predeterminable damper early stage rigidity of the precompressed cable wire, and the cylindrical helical pressure are preset There is no coil spring failure in contracting spring, i.e., effective active length is constant, and it is original will not to change cylindrical helical compression spring Characterisitic parameter.
Description of the drawings
Fig. 1~6 are the structural schematic diagram of a specific embodiment of damper of the present invention, wherein Fig. 1 is front view (section view), Fig. 2 are the A-A sectional views of Fig. 1, and Fig. 3 is the B-B sectional views of Fig. 1, and Fig. 4 is upward view, and Fig. 5 is part I in Fig. 1 Enlarged drawing, Fig. 6 are the enlarged drawing of part II in Fig. 2;In order to facilitate observation of, wire tensioner is concealed in Fig. 3.
Fig. 7~10 are the structural schematic diagram of second specific embodiment of damper of the present invention, wherein based on Fig. 7 View (section view), Fig. 8 are the C-C sectional views of Fig. 7, and Fig. 9 is the D-D sectional views of Fig. 7, and Figure 10 is upward view;In order to facilitate observation of, scheme Protective case is concealed in 8~10, and wire tensioner is concealed in Fig. 9.
Figure 11~13 are the structural schematic diagram of damper third specific embodiment of the present invention, wherein based on Figure 11 View (section view), Figure 12 are the E-E sectional views of Figure 11, and Figure 13 is the F-F sectional views of Figure 11;In order to facilitate observation of, in Figure 12~13 Protective case is concealed, wire tensioner is concealed in Figure 13.
Specific implementation mode
Example 1
Referring to Fig. 1 and 4, the coiled spring damper that early stage rigidity can be adjusted in this example is that one kind can be used for building structure The damper of seismic hardening, the damper include discoid upper head plate 2 and bottom plate 3, and cylinder is equipped between upper and lower end plate Spiral compression spring 4, wherein upper head plate 2 are equipped with guide rod 1, and the guide rod 4 is down along in cylindrical helical compression spring 4 Heart hole is pierced by bottom plate 3;The bottom plate 3 and the dynamic cooperation of the guide rod 1.
Referring to Fig. 1 and 4, the upper surface of the upper head plate 2 and the lower surface of bottom plate 3 are respectively equipped with two band hinge holes 12 Connection otic placode 11.And the hinge hole 12 on bottom plate 3 in set connection otic placode 11 is more than the guiding at a distance from bottom plate 3 1 end of bar is pierced by the length of 3 lower surface of bottom plate, is formed between two hinge hole 12 and the lower surface of bottom plate 3 for being oriented to The flexible activity space in 1 end of bar.
Referring to Fig. 1~6, backpressure device is equipped between the upper head plate 2 and bottom plate 3, which includes two groups pre- Compressed steel rope, two pieces of floating platens and eight wire tensioners 14;Wherein, two groups of precompressed cable wires are by five precompressed cable wires First group of precompressed cable wire 8 of composition and second group of precompressed cable wire 7 being made of three precompressed cable wires;Two pieces of floating platens For the first floating platen 6 being set on the guide rod between the bottom plate 3 and cylindrical helical compression spring 4 and it is set in The second floating platen 5 on guide rod between upper head plate 2 and cylindrical helical compression spring 4.
Referring to Fig. 1~6, two groups of precompressed cable wires are distributed in linear state around 1 axisymmetrical of guide rod described respectively The surrounding of cylindrical helical compression spring 4, each precompressed cable wire is each parallel to 1 axis of guide rod, and first group of precompressed cable wire 8 It is equal to second group of precompressed cable wire 7 away from the distance for being oriented to rod axis away from the distance for being oriented to rod axis;Wherein, first group of pre- compressed steel The top of rope 8 is fixed on by lifting bolt 13 on the second floating platen 5 respectively, and following is each passed through the first floating platen 6 by hanging Ring screw 13 is fixed on the bottom plate 3;The following of second group of precompressed cable wire 7 is fixed on by lifting bolt 13 respectively On one floating platen 6, top is fixed on by lifting bolt 13 on upper head plate 2 across the second floating platen 5;Described first, which floats, presses The first through hole 10 passed through for it is equipped on plate 6 in the position that each first group of precompressed cable wire 8 passes through, the first through hole 10 Aperture is more than the diameter of first group of precompressed cable wire 8;In each second group of precompressed cable wire 7 on second floating platen 5 The position passed through is equipped with the second through-hole 9 passed through for it, and the aperture of second through-hole 9 is more than second group of precompressed cable wire 7 Diameter;The both ends of the precompressed cable wire are fixed on the method in respective members by lifting bolt:Lifting bolt 13 is fixed Then it is to be connected on one of precompressed cable wire on the hanging ring of lifting bolt, and (in figure not by steel wire rope clamp on corresponding component Draw) it is fixed.
Fig. 1 is participated in, described eight wire tensioners 14 are serially connected in the middle part of each precompressed cable wire, series-mounting respectively For:Each precompressed cable wire is blocked from middle part, then will block being formed by two fag end systems and be connected on corresponding wire tensioner In the connection ring at 14 both ends, steel wire rope clamp (being to draw in figure) is used in combination to be fixed.
The precompressed cable wire in this example can be steel wire rope, can also be prestressing force steel hinge line, when it is implemented, can It voluntarily chooses according to actual needs.
The adjusting method method of damper early stage rigidity is as described below in this example:(1) it will be damped described in this example by Fig. 1~6 Device assembles;(2) pressure is applied to the both ends of the damper obtained by step (1), the cylindrical helical compression spring 4 is made to press The distance between contracting, while detecting two pieces of floating platens;(3) when the distance between two pieces of floating platens are equal to cylindrical helical Compressed spring 4 be compressed to meet early stage rigidity length (this length can according to the coefficient of elasticity of cylindrical helical compression spring 4 with And need preset early stage Rigidity Calculation to obtain) when adjust wire tensioner 14, make each precompressed cable wire tensioning, then cancel step The cylindrical helical compression spring 4 will be clamped in always by the pressure applied in (2) suddenly, two groups of precompressed cable wires Between one floating platen 6 and the second floating platen 5.
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, and the length by changing precompressed cable wire is the size of changeable precompression, and then reaches default early The purpose of its rigidity.Referring to Fig. 1, when damper is by axial external load, no matter external load is pressure or pulling force, As long as it is less than above-mentioned precompression, cylindrical helical compression spring 4 will not continue to deformation.When external load is more than described pre- When pressure, if external load is pressure, the bottom plate 3 pushes first floating platen 6 to continue to compress cylindrical helical pressure Contracting spring 4 generates flexible deformation energy consumption, if external load is pulling force, two groups of precompressed cable wires pull two pieces of floating platens respectively Relative movement compression cylindrical helical compression spring 4 generates flexible deformation energy consumption.Because no matter the dynamic loading suffered by damper is Pulling force or pressure, the deformation finally generated are the compressive deformation of same spring, so the bidirectional elastic deformation of damper must It is so symmetrical.
Example 2
Referring to Fig. 7~10, this example mainly has following difference compared with example 1:
1, first group of precompressed cable wire 8 and second group of precompressed cable wire 7 are made of 3 precompressed cable wires;The rigging spiral shell The quantity of spinner 14 is kept to six, and is serially connected in the middle part of each precompressed cable wire respectively.
2, the normal work of damper is influenced to prevent dust and other sundries from falling on cylindrical helical compression spring 4 Make, wrap up the protective case 15 of one layer of rubber on the outside of backpressure device, the both ends of the protective case 15 respectively with the first floating platen 6 and The peripheral surface of second floating platen 5 bonds together.The length of the sheath 15 is more than under 2 upper surface of upper head plate and bottom plate 3 The distance between surface, in order to avoid influence the work of damper.
This example implementation other than the above is same as Example 1.
Example 3
Referring to Figure 11~13, the coiled spring damper that can adjust early stage rigidity in this example is that one kind can be used for building The isolation mounting (also referred to as shock isolating pedestal) of object vertical earthquake isolating, this example mainly have following difference compared with example 2:
1, as shock isolating pedestal, for ease of installation, upper head plate 2 on set connection otic placode is omitted in example 2 in this example, and The edge of upper head plate 2 is extended radially outwards, and link bolt hole 17 is uniformly arranged in edge.
2, the connection otic placode set by 3 outside of bottom plate in example 2 is omitted, and by bottom plate 3 since elder generation edge to lower axle The pedestal to form damper is extended radially outwards again to extending, and is uniformly arranged link bolt hole 17 in edge;Wherein to lower axle It is more than 1 end of the guide rod to the length of extension and is pierced by the length in the outside of dynamic pressure plate 3 and is stretched for 1 end of guide rod with being formed Activity space 16.
3, first group of precompressed cable wire 8 and second group of precompressed cable wire 7 are made of 5 precompressed cable wires;The rigging spiral shell It is ten that the quantity of spinner 14, which increases, and is serially connected in the middle part of each precompressed cable wire respectively.
This example other embodiment other than the above is same as Example 2.

Claims (5)

1. a kind of coiled spring damper that can adjust early stage rigidity, the damper include two end plates, described two pieces of ends Cylindrical helical compression spring is equipped between plate, one of end plate is equipped with guide rod, and the guide rod is along the cylindrical spiral shell The centre bore of rotation compressed spring is pierced by another end plate;It is characterized in that,
It is additionally provided with backpressure device between the two end plates, which includes two groups of precompressed cable wires, two pieces of floating platens It is the wire tensioner of the sum of described two groups of precompressed cable wire quantity with quantity, wherein the quantity of every group of precompressed cable wire is at least three Root;Wherein,
Two pieces of floating platens are respectively sleeved on one piece of guide rod between end plate and cylindrical helical compression spring;
Two groups of precompressed cable wires are symmetrically distributed in the cylindrical helical pressure rotating around the axis of guide rod with linear state The surrounding of contracting spring, and, one of each group of precompressed cable wire is separately fixed on one piece of floating platen, and other end is each passed through separately One piece of floating platen is fixed on the end plate adjacent with the floating platen;
The through-hole for wearing the precompressed cable wire is being respectively equipped with across the position of the precompressed cable wire on the floating platen, this is logical The aperture in hole is more than the diameter of worn precompressed cable wire;
The wire tensioner concatenates the middle part of the precompressed cable wire;
Two groups of precompressed cable wires are tensioned, keep 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. a kind of coiled spring damper that can adjust early stage rigidity according to claim 1, which is characterized in that the energy Enough coiled spring dampers for adjusting early stage rigidity are the damper reinforced for building structure aseismatic.
3. a kind of coiled spring damper that can adjust early stage rigidity according to claim 1, which is characterized in that the energy Enough coiled spring dampers for adjusting early stage rigidity are the vertical earthquake isolating equipment for Antiseismic building.
4. a kind of coiled spring damper that can adjust early stage rigidity according to claim 1,2 or 3, feature exist In the precompressed cable wire is steel wire rope or prestressing force steel hinge line.
5. a kind of coiled spring damper that can adjust early stage rigidity according to claim 4, which is characterized in that described The both ends of protective case of the packet equipped with one layer of rubber on the outside of backpressure device, the protective case are viscous with the peripheral surface of two pieces of floating platens respectively It is connected together.
CN201610906594.1A 2016-10-17 2016-10-17 A kind of coiled spring damper that can adjust early stage rigidity Active CN106499763B (en)

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CN106499763B true CN106499763B (en) 2018-07-20

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Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1932324A (en) * 2006-10-09 2007-03-21 毛学军 Adjustable disc-shape spring mechanical vibration reducing damper
CN101457553B (en) * 2007-12-14 2012-01-11 尹学军 Spring stiffness adjustable tuning quality damper
CN102401053B (en) * 2010-09-15 2015-04-08 溧阳市振大铁路设备有限公司 Compound spring for train steering frame
CN102221061B (en) * 2011-06-16 2015-05-13 中国电力科学研究院 Rubber spring damping shock absorber
JP6033591B2 (en) * 2012-07-02 2016-11-30 特許機器株式会社 Seismic reduction device

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