CN206769507U - Axial displacement damper - Google Patents

Axial displacement damper Download PDF

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Publication number
CN206769507U
CN206769507U CN201720522051.XU CN201720522051U CN206769507U CN 206769507 U CN206769507 U CN 206769507U CN 201720522051 U CN201720522051 U CN 201720522051U CN 206769507 U CN206769507 U CN 206769507U
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China
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metal core
core board
axial displacement
deformation
displacement damper
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CN201720522051.XU
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Chinese (zh)
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张军涛
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Individual
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Individual
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Abstract

The application provides a kind of axial displacement damper, including:Metal core board, limiting plate and fixing device;The metal core board is string configuration, and the upper and lower surface of the metal core board is the consistent sine wave curved surface of shape along its length;Two sides of the metal core board are connected with the limiting plate respectively;Two ends of the metal core board are connected with the fixing device respectively.The axial displacement damper that the application proposes, metal core board is when receiving external force and being in normal operating conditions, its sensitive displacement or deformability and good displacement or recoverable force performance can be played, sensitively limits the relative displacement or deformation passed over;Metal core board in yield situation but limiting plate when not entering into yield situation, good anti-low-cycle fatigue elastoplasticity accumulated deformation ability can be played, energy caused by abundant dissipation relative displacement or deformation, in addition, limiting plate can limit metal core board relative displacement or deformation, and deformation is excessive when avoiding metal core board stress.

Description

Axial displacement damper
Technical field
The application is related to energy-dissipating and shock-absorbing technical field, more particularly, to axial displacement damper.
Background technology
Axial displacement damper be it is a kind of be used to reduce the safety device of vibration limitses power, civil buildings, industrial building, It is widely used in the buildings such as bridge.Under normal operating conditions, the length of axial displacement damper can be with building temperature Change is flexible.When building is by earthquake or the unexpected impact of other external force, axial displacement damper can consume external force pair The impact energy of building, reduces the vibration amplitude of building, alleviates impact and destruction of the external force to building significantly.
But existing axial displacement damper is there is many deficiencies, for example, displacement or recoverable force poor-performing, The ability for consuming external impacts energy is poor.And these deficiencies greatly affected the safety of building and using building in The security of the lives and property of people in heart certain limit.
The content of the invention
The application provides a kind of axial displacement damper, to overcome existing axial displacement damper displacement or recoverable force The deficiencies of poor-performing, poor ability of consumption external impacts energy.
According to the one side of the application, there is provided a kind of axial displacement damper, the axial displacement damper include metal Core plate, limiting plate and fixing device;The metal core board is string configuration, and the upper and lower surface of the metal core board is The consistent sine wave curved surface of shape along its length;Two sides of the metal core board are respectively with the limiting plate by certain side Formula connects;Two ends of the metal core board are connected with the fixing device by the certain way respectively.
The first possible implementation with reference to first aspect, in second of possible implementation, the certain way is Welding, bolt connection, rivet interlacement or bonding.
The first possible implementation with reference to first aspect, in the third possible implementation, the limiting plate is length Bar-shaped plate, number are two.
The third possible implementation with reference to first aspect, in the 4th kind of possible implementation, the axial displacement resistance Buddhist nun's device is rectangular deformation restraint slot also including two interior outer bottoms;Each deformation restraint slot respectively with described in two Limiting plate is connected by the certain way, and opening deviates from the metal core board.
With reference to the 4th kind of possible implementation of first aspect, in the 5th kind of possible implementation, the axial displacement resistance Buddhist nun's device also includes the sound arrester of string configuration, and number is two;The sound arrester lower surface is rectangular planes, upper table Face is sine wave curved surface along its length;The upper surface of each sound arrester and the sine wave curved surface of the metal core board Fitting, lower surface is bonded with deformation restraint slot outer bottom.
With reference to the 5th kind of possible implementation of first aspect, in the 6th kind of possible implementation, the axial displacement resistance Buddhist nun's device also includes the firebreak device of strip slab construction, and number is two;Each firebreak device is embedded in a deformation about In beam groove.
With reference to the 6th kind of possible implementation of first aspect, in the 7th kind of possible implementation, the axial displacement resistance Buddhist nun's device also includes end packaging system;The end packaging system includes four end shroudings, and the end package board is strip Shape slab construction;Two end shroudings left side two with a deformation restraint slot in the width direction respectively along its length Cell wall is connected by the certain way;End shrouding described in another two along its length right side respectively with another deformation restraint slot Two cell walls in the width direction are connected by the certain way.
With reference to seven kinds of possible implementations of first aspect, in the 8th kind of possible implementation, the fixing device is two Individual, each fixing device includes end switching device and command displacement deformation device;The end switching device and described Command displacement deformation device is connected by the certain way;The end switching device of one fixing device with it is described metal-cored One end of plate is connected by the certain way;The end switching device of another fixing device and the metal core board Another end by the certain way connect.
With reference to the 8th kind of possible implementation of first aspect, in the 9th kind of possible implementation, the end switching dress It is "T"-shaped end adaptor to put including two sections;The upper level plane of two "T"-shaped end adaptors is by the metal One end of core plate is fixed therebetween by the certain way, and keeps the upper level plane parallel with end.
With reference to the 9th kind of possible implementation of first aspect, in the tenth kind of possible implementation, the metal core board table Face is attached with separation layer.
The axial displacement damper that the application proposes, by the way that the upper and lower surface of metal core board is set along its length It is set to the consistent sine wave curved surface of shape so that when axial displacement damper both ends receive external force and produce relative displacement or change During shape, the metal core board in normal operating conditions, its sensitive displacement or deformability and good displacement can be played Or recoverable force performance, sensitively limit the relative displacement or deformation passed over;By the way that two sides of metal core board are divided It is not connected with limiting plate so that when axial displacement damper both ends receive external force and produce relative displacement or deformation and limiting plate When not entering into yield situation, the metal core board in yield situation can play good anti-low-cycle fatigue elastoplasticity accumulation and become Energy caused by shape ability, abundant dissipation relative displacement or deformation, in addition, limiting plate can limit metal core board relative displacement Or deformation, deformation is excessive when avoiding metal core board stress.
Brief description of the drawings
Fig. 1 is the axial displacement damper explosive view according to the embodiment of the present application;
Fig. 2 is the sine wave schematic diagram according to the embodiment of the present application;
Fig. 3 is according to the metal core board of the embodiment of the present application sectional view along its length;
Fig. 4 is the axial displacement damper side view according to the embodiment of the present application;
Fig. 5 is according to the axial displacement damper of the embodiment of the present application sectional view along its length;
Fig. 6 is according to the axial displacement damper of the embodiment of the present application sectional view in the width direction.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the application is described in further detail.Implement below Example is used to illustrate the application, but is not limited to scope of the present application.
As shown in figure 1, the one side according to the application, there is provided a kind of axial displacement damper, axial displacement damping Device includes:Metal core board 10, limiting plate 20 and fixing device 30;The metal core board 10 is string configuration, described metal-cored The upper and lower surface of plate 10 is the consistent sine wave curved surface of shape along its length;Two sides of the metal core board 10 It is connected respectively with the limiting plate 20 by certain way;Two ends of the metal core board 10 respectively with the fixing device 30 Connected by the certain way.
In the present embodiment, metal core board 10 of the upper and lower surface for sine wave curved surface is used so that axial displacement Damper has sensitive displacement or deformability, displacement or recoverable force performance, the accumulation of good anti-low-cycle fatigue elastoplasticity Deformability and superior second order energy dissipation behavior.The shape of sine wave ripple can be according to actual effect corresponding to sine wave curved surface Set, be not specifically limited herein.In order to ensure that the ability or performance are in preferable state, it is preferable that aligning When string ripple ripple is selected, certain scope or relation is taken its relevant parameter to limit:
Sine wave half wavelength:L=2Rcos α (mm);
Sinusoidal magnitude:H=Rsin α (mm);
Sine wave total height:H=2Rsin α (mm);
Sine wave opening angle:30°≤α≤60°;
Wherein, R is sine wave radius (mm).Relevant parameter implication can specifically combine Fig. 2 and understand.
In addition, the sectional view along its length of metal core board is as indicated at 3.In figure 3, sine wave overall height H=2Rsin α (mm), R is sine wave radius (mm), and d is isolation lamellar spacing (mm), and t is metal core board thickness (mm).Wherein, 1.5≤R/t≤ 6.0, d/h=2.2e-2.2(π/2-α)。
The axial displacement damper that the application proposes, by the way that the upper and lower surface of metal core board is set along its length It is set to the consistent sine wave curved surface of shape so that when axial displacement damper both ends receive external force and produce relative displacement or change During shape, the metal core board in normal operating conditions, its sensitive displacement or deformability and good displacement can be played Or recoverable force performance, sensitively limit the relative displacement or deformation passed over;By the way that two sides of metal core board are divided It is not connected with limiting plate so that when axial displacement damper both ends receive external force and produce relative displacement or deformation and limiting plate When not entering into yield situation, the metal core board in yield situation can play good anti-low-cycle fatigue elastoplasticity accumulation and become Energy caused by shape ability, abundant dissipation relative displacement or deformation, in addition, limiting plate can limit metal core board relative displacement Or deformation, deformation is excessive when avoiding metal core board stress.
As a kind of alternative embodiment, the certain way is welding, bolt connection, rivet interlacement or bonding.
As a kind of alternative embodiment, the limiting plate 20 is strip flat board, and number is two.
In this embodiment, it is preferred that two sides of metal core board 10 are connected with two limiting plates 20 by bolt respectively Connect.Specifically, an exhausting hole is provided with along its length on each limiting plate 20;Two sides of the metal core board 10 On to be outwards respectively arranged with row's screw rod corresponding with two exhausting holes on two limiting plates 20.One side of metal core board 10 On row's screw rod for outwards setting fixed through the exhausting hole set along its length on a limiting plate 20 by nut.Its In, screw rod number is consistent with number of through-holes, and layout pitch can limit according to actual conditions, it is preferable that is spacedly distributed.It is another Individual limiting plate 20 is connected with metal core board 10 in the same manner, is no longer repeated herein.
By the way that two sides of metal core board 10 are connected with limiting plate 20 respectively so that metal core board 10 is in surrender State but when limiting plate 20 does not enter into yield situation, can play good anti-low-cycle fatigue elastoplasticity accumulated deformation ability, Energy caused by abundant dissipation relative displacement or deformation, in addition, limiting plate 20 can limit the relative displacement of metal core board 10 or Deformation, deformation is excessive when avoiding 10 stress of metal core board.
As a kind of alternative embodiment, the axial displacement damper is rectangular shape also including two interior outer bottoms Become restraint slot 40;Each deformation restraint slot 40 is connected with two limiting plates 20 by the certain way respectively, and is opened Mouth deviates from the metal core board 10.
In this embodiment, it is preferred that each deformation restraint slot 40 is connected with two limiting plates 20 by bolt respectively Connect.An exhausting hole is each provided with each two cell walls of the deformation restraint slot 40 along its length;Each limiting plate On the left of an exhausting hole on 20 and right side is respectively arranged with an exhausting hole;Two exhausting holes of two leftmost sides of limiting plate 20, It is corresponding with two exhausting holes on two cell walls of a deformation restraint slot 40 along its length;Two limiting plates 20 Two exhausting holes of the rightmost side are relative with two exhausting holes on two cell walls of deformation restraint slot 40 another described along its length Should.By screw rod sequentially pass through leftmost side of limiting plate 20 an exhausting hole and a deformation restraint slot 40 along its length one An exhausting hole on individual cell wall, is fixed by nut, and keeps the deformation restraint slot 40 opening to deviate from metal core board 10.Wherein, Screw rod number is consistent with number of through-holes, and layout pitch can limit according to actual conditions, it is preferable that is spacedly distributed.Then, will Screw rod sequentially passes through an exhausting hole and the deformation restraint slot 40 along its length another for another leftmost side of limiting plate 20 An exhausting hole on cell wall, is fixed by nut.Wherein, screw rod number is consistent with number of through-holes, and layout pitch can be according to reality Border situation limits, it is preferable that is spacedly distributed.Another deformation restraint slot 40 is connected with two limiting plates 20 in the same manner, No longer repeat herein.
It is connected by two deformation restraint slots 40 with two limiting plates 20, relative displacement or deformation occurs each other in limitation Simultaneously so that metal core board 10, will not due to being suffered restraints between two deformation restraint slots 40 when stress deforms upon Deformation is excessive.
As a kind of alternative embodiment, the axial displacement damper also includes the sound arrester 50 of string configuration, number Mesh is two;The lower surface of sound arrester 50 is rectangular planes, and upper surface is sine wave curved surface along its length;Each The sine wave application of a surface of the upper surface of the sound arrester 50 and the metal core board 10, lower surface with outside deformation restraint slot 40 Bottom surface is bonded.
In the present embodiment, specifically, the material of sound arrester 50 can select according to actual conditions.Preferably, can adopt With sound insulation rock wool.Upper surface and the sine wave application of a surface of metal core board 10 by sound arrester 50, lower surface and deformation are about The outer bottom of beam groove 40 is bonded so that the noise absorption that axial displacement damper will can pass over.
As a kind of alternative embodiment, the axial displacement damper also includes the firebreak device 60 of strip slab construction, Number is two;Each firebreak device 60 is embedded in a deformation restraint slot 40.
In the present embodiment, specifically, the length, width and height of the firebreak device 60 of strip slab construction respectively with deformation restraint slot The length and width of 40 inner bottom surface and cell wall it is highly consistent.Firebreak device 60 specifically can be fixed on deformation about by cohesive mode In beam groove 40.By the way that the firebreak device 60 of two strip slab constructions is respectively embedded into two deformation restraint slots 40 so that axle Can preferably it be protected in fire hazard environment to damper displacement.
As a kind of alternative embodiment, the axial displacement damper also includes end packaging system;The end encapsulation Device includes four end shroudings 70, and the end package board is strip slab construction;Two end shroudings 70 are along length Two cell walls on the left of degree direction respectively with a deformation restraint slot 40 in the width direction are connected by the certain way;Another two Two cell walls of the right side respectively with another deformation restraint slot 40 in the width direction press institute to the end shrouding 70 along its length State certain way connection.
In this embodiment, it is preferred that it is connected as being bolted by certain way.Two edges of end shrouding 70 The length direction side that keeps left is provided with an exhausting hole;End shrouding 70 described in another two is provided with a row and led on the right side along its length Hole;On two cell walls of two deformation restraint slots 40 in the width direction an exhausting hole is each provided with parallel to bottom surface;It is described Kept left along its length on two end shroudings 70 side two exhausting holes respectively with a deformation restraint slot 40 in the width direction two Two exhausting holes on individual cell wall are corresponding;Two exhausting holes difference on another two end shrouding 70 along its length on the right side It is corresponding with two exhausting holes of another deformation restraint slot 40 in the width direction on two cell walls;Each edge of end shrouding 70 Side of the length direction away from through hole is bonded with the end of the metal core board 10.Leaned on along its length on two end shroudings 70 Two exhausting holes in left side respectively with a deformation restraint slot 40 in the width direction two exhausting holes on two cell walls by screw rod and Nut is fixed;Another two end shrouding 70 is fixedly connected with another deformation restraint slot 40 in the same manner, no longer multiple herein State.By the way that each end shrouding 70 is fixed in deformation restraint slot 40, and ensure that each end shrouding 70 is remote along its length Side from through hole is bonded with the end of metal core board 10, is avoided sound arrester 50 and is damaged and dirty with extraneous contact because direct Dye.
As a kind of alternative embodiment, the fixing device 30 is two, and each fixing device 30 turns including end Connection device 31 and command displacement deformation device 32;The end switching device 31 and the command displacement deformation device 32 are by described Certain way connects;Press institute in one end of the end switching device 31 of one fixing device 30 and the metal core board 10 State certain way connection;Another end of the end switching device 31 of another fixing device 30 and the metal core board 10 Portion is connected by the certain way.
In the present embodiment, specifically, end switching device 31 and command displacement deformation device 32 can be by welding or gluing The mode of knot is attached fixation.
As a kind of alternative embodiment, the end switching device 31 is "T"-shaped end adaptor including two sections; One end of the metal core board is fixed on by the upper level plane of two "T"-shaped end adaptors by the certain way Therebetween, and keep the upper level plane parallel with end.
In this embodiment, it is preferred that it is connected by screw bolts.Set in the "T"-shaped end adaptor upper level plane Two exhausting holes are equipped with, two exhausting hole is respectively positioned at the intersecting lens both sides of upper level plane and lower vertical plane;It is described Two ends of metal core board 10 are respectively arranged with an at least exhausting hole in the width direction;Two "T"-shaped end adaptors it is upper Portion's horizontal plane is be arranged in parallel and through hole is engaged, and an end of the metal core board 10 is fixed therebetween, the metal An exhausting hole on one end of core plate is vertical with every exhausting hole on the end adaptor.By a "T"-shaped end switching Part is rotated by 90 ° to the right, and another "T"-shaped end adaptor is rotated by 90 ° to the left so that the upper level of two end adaptors Plane is parallel and through hole is engaged.An exhausting hole number is two in the width direction for the end of metal core board 10.By metal core board 10 end is placed between two end adaptors, and keeps the exhausting hole of the end of metal core board 10 in the width direction It is vertical with two exhausting holes in the upper level plane of end adaptor, and connected with a wherein row through hole by screw rod and nut Connect.The row through hole leads to for any one row vertical with two exhausting holes in the adaptor upper level plane of end among two exhausting holes Hole.Another end of metal core board 10 is connected with the other end adaptor in a comparable manner, no longer repeats herein.
As a kind of alternative embodiment, the surface attachment of metal core board 10 has separation layer.
In the present embodiment, the material of the separation layer can be set according to actual conditions, not limited herein.It is preferred that Ground, separation layer are carbon fiber separation layer.Because carbon fiber has the advantages that light weight, intensity are high, fatigue durability is good, therefore, lead to Crossing makes the surface attachment carbon fiber separation layer of metal core board 10, can cross the fatigue durability for improving axial displacement damper.Further, since Carbon fiber has the characteristics of superhigh temperature resistant under corrosion-resistant, non-oxidizing atmosphere, by make the surface attachment carbon fiber of metal core board 10 every Absciss layer, certain protective effect can be played to metal core board 10.
Side view after the axial displacement damper assembling combined based on above-mentioned all alternative embodiments as shown in figure 3, Sectional view along its length is as shown in figure 4, section in the width direction is as shown in Figure 5.
In addition, the sectional view along its length of metal core board 10 is as indicated with 6.In figure 6, H=2Rsin α are that sine wave is total Highly (mm);R is sine wave radius (mm);B is the distance between two restraining plates (mm);D is between separation layer and restraining plate Gap (mm), t is metal core board thickness (mm).In order to ensure that the performance of metal core board is in preferable state, it is preferable that do Following relation limits:1.5≤R/t≤6.0, d/h=2.2e-2.2(π/2-α)
In axial displacement damper in actual use, by two fixing devices of axial displacement damper respectively with Allow component, building or the bridge connection that relative displacement or deformation occurs.When relative displacement occurs for component, building or bridge Or deformation, and when being triggered to the device for allowing displacement or deformation on axial displacement damper, can be by relative displacement or displacement transfer Onto metal core board;Metal core board in normal operation, can play its own in without flexing, yield phenomenon Good recoverable force performance, the relative displacement or deformation passed over is sensitively limited in elastic stage;When metal core board enters After entering yield situation, and when deformation restraint slot, limiting plate and command displacement deformation device still have enough rigidity, metal core board Its own good anti-low-cycle fatigue elastoplasticity accumulated deformation ability is played, is fully dissipated due to relative displacement in elastic-plastic phase Or energy caused by deformation;Metal core board, can be according to the integrated assembling of axial displacement damper after collapse state is entered Characteristic, axial displacement damper is repaired, changed.
Finally, the present processes are only preferable embodiment, are not intended to limit the protection domain of the application.It is all Within spirit herein and principle, any modification, equivalent substitution and improvements made etc., the protection of the application should be included in Within the scope of.

Claims (10)

  1. A kind of 1. axial displacement damper, it is characterised in that including:Metal core board, limiting plate and fixing device;
    The metal core board is string configuration, and the upper and lower surface of the metal core board is consistent for shape along its length Sine wave curved surface;
    Two sides of the metal core board are connected with the limiting plate by certain way respectively;
    Two ends of the metal core board are connected with the fixing device by the certain way respectively.
  2. 2. axial displacement damper according to claim 1, it is characterised in that it is described by certain way be connected as welding, Bolt connection, rivet interlacement or bonding.
  3. 3. axial displacement damper according to claim 2, it is characterised in that the limiting plate is strip flat board, number Mesh is two.
  4. 4. axial displacement damper according to claim 3, it is characterised in that the axial displacement damper also includes two Individual interior outer bottom is rectangular deformation restraint slot;
    Each deformation restraint slot is connected with two limiting plates by the certain way respectively, and opening deviates from the gold Belong to core plate.
  5. 5. axial displacement damper according to claim 4, it is characterised in that the axial displacement damper also includes length The sound arrester of strip structure, number are two;The sound arrester lower surface is rectangular planes, and upper surface is along length side To sine wave curved surface;
    The upper surface of each sound arrester and the sine wave application of a surface of the metal core board, lower surface and deformation restraint slot Outer bottom is bonded.
  6. 6. axial displacement damper according to claim 5, it is characterised in that the axial displacement damper also includes length The firebreak device of bar slab construction, number are two;
    Each firebreak device is embedded in a deformation restraint slot.
  7. 7. axial displacement damper according to claim 6, it is characterised in that the axial displacement damper also includes end Portion's packaging system;The end packaging system includes four end shroudings, and the end package board is strip slab construction;
    Two end shroudings along its length press by two cell walls of the left side respectively with a deformation restraint slot in the width direction The certain way connection;
    Right side two grooves with another deformation restraint slot in the width direction respectively along its length of end shrouding described in another two Wall is connected by the certain way.
  8. 8. axial displacement damper according to claim 7, it is characterised in that the fixing device is two, Mei Gesuo Stating fixing device includes end switching device and command displacement deformation device;The end switching device and the command displacement become Shape dress is put to be connected by the certain way;
    The end switching device of one fixing device is connected with an end of the metal core board by the certain way;
    The end switching device of another fixing device presses the certain way with another end of the metal core board Connection.
  9. 9. axial displacement damper according to claim 8, it is characterised in that the end switching device includes two and cut Face is "T"-shaped end adaptor;
    The upper level plane of two "T"-shaped end adaptors is consolidated an end of the metal core board by the certain way Due to therebetween, and keep the upper level plane parallel with end.
  10. 10. axial displacement damper according to claim 9, it is characterised in that the metal core board surface attachment have every Absciss layer.
CN201720522051.XU 2017-05-11 2017-05-11 Axial displacement damper Active CN206769507U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201720522051.XU CN206769507U (en) 2017-05-11 2017-05-11 Axial displacement damper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201720522051.XU CN206769507U (en) 2017-05-11 2017-05-11 Axial displacement damper

Publications (1)

Publication Number Publication Date
CN206769507U true CN206769507U (en) 2017-12-19

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ID=60650604

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201720522051.XU Active CN206769507U (en) 2017-05-11 2017-05-11 Axial displacement damper

Country Status (1)

Country Link
CN (1) CN206769507U (en)

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