CN106285148A - A kind of pull bar guide type helical spring three-dimensional shock isolation support - Google Patents
A kind of pull bar guide type helical spring three-dimensional shock isolation support Download PDFInfo
- Publication number
- CN106285148A CN106285148A CN201610906300.5A CN201610906300A CN106285148A CN 106285148 A CN106285148 A CN 106285148A CN 201610906300 A CN201610906300 A CN 201610906300A CN 106285148 A CN106285148 A CN 106285148A
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- Prior art keywords
- helical spring
- pull bar
- guide type
- bar guide
- spring
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- 238000002955 isolation Methods 0.000 title claims abstract description 29
- 230000035939 shock Effects 0.000 title claims abstract description 23
- 238000007667 floating Methods 0.000 claims description 28
- 239000002861 polymer material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 238000007906 compression Methods 0.000 description 5
- 239000002184 metal Substances 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 230000003068 static Effects 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 206010049669 Dyscalculia Diseases 0.000 description 2
- 210000000282 Nails Anatomy 0.000 description 2
- 241001079814 Symphyotrichum pilosum Species 0.000 description 2
- 235000004224 Typha angustifolia Nutrition 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002965 rope Substances 0.000 description 2
- 230000035807 sensation Effects 0.000 description 2
- 206010070834 Sensitisation Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 239000000314 lubricant Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 230000008313 sensitization Effects 0.000 description 1
- 230000001235 sensitizing Effects 0.000 description 1
- 239000003190 viscoelastic substance Substances 0.000 description 1
Classifications
-
- 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, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
- E04H9/02—Buildings, 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
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/023—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising rolling elements, e.g. balls, pins
-
- 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
Abstract
The present invention relates to a kind of pull bar guide type helical spring three-dimensional shock isolation support, this bearing includes the upper junction plate being parallel to each other, lower connecting plate and is located between upper junction plate and lower connecting plate and is provided with four pull bar guide type coiled spring damper, linked together by universal ball end respectively between connecting rod and upper junction plate and the lower connecting plate at each pull bar guide type coiled spring damper two, form the truncated rectangular pyramids structure that a two opposite side surfaces is respectively symmetrically.Three-dimensional shock isolation support of the present invention not only can realize three-dimensional isolation truly, but also has the effect of antidumping.
Description
Technical field
The present invention relates to a kind of building vibration proof (or vibrations) device, be specifically related to three-dimensional isolation device.
Background technology
Three-dimensional isolation device is a kind of shockproof isolating device being located between building and basis, effectively can inhale from various dimensions
Receive, dissipate the outside energy inputted, thus reaches to protect the purpose of building safety.Three-dimensional isolation device is generally by vertical earthquake isolating
Bearing and horizontal seismic isolation bearing combine, and both absorb both vertically and horizontally seismic wave respectively.
It is known that the development of three-dimensional isolation device depends on the technological progress of antivibrator.At present, actual application is really entered
The antivibrator of main flow mainly have three major types, i.e. laminated rubber antivibrator, metal spring antivibrator (mainly disk spring and spiral shell
Rotation spring) and viscoelastic damper (bigger static load can not be undertaken).Therefore, on the existing three-dimensional shock isolation support overwhelming majority is all
State the combination of antivibrator, and be essentially all laminated rubber antivibrator and connect up and down with metal spring antivibrator.In order to overcome
Laminated rubber resistance to tension is weak, disk spring can not draw and helical spring initial stiffness is low different from compression property with stretching
Shortcoming, has some three-dimensional shock isolation supports to be additionally arranged tensile structure (as set up steel wire rope in surrounding) at laminated rubber antivibrator,
Also (or other Stretch material, such as rhombus steel by metal spring antivibrator and viscoelastic damper some three-dimensional shock isolation supports
Plate etc.) compound, utilize metal spring antivibrator to undertake static load and compression shock absorption, utilize viscoelastic damper stretching, compression power consumption.
But, the antivibrator that multiple flexible member is compound, not only structure is complicated, and needs when designing to consider horizontally and vertically to associate journey
Degree, calculates sufficiently complex.
A kind of three-dimemsional vibration insulationg system disclosed in the patent application of Publication No. CN1560395A, this system is common
Tandem compound disk spring and the viscoelastic damping being located in disk spring axis of guide centre bore on lead for retractable pencil laminated rubber vibrating isolating device
Device realizes.But, owing to viscoelastic material is relatively big with the damping characteristic difference of disk spring, and both correlation degrees have
Much, these are all intended to be determined by experiment；Especially, when described three-dimemsional vibration insulationg system is by when being pressed to tension transition,
Although disk spring is inoperative, but the energy stored by disk spring can be added on viscoelastic damper, makes viscoelasticity
Antivibrator obtains bigger initial acceleration, and viscoelastic damper is then a kind of velocity sensitization type antivibrator, it is clear that dish bullet
The impact of viscoelastic damper be can not be ignored by the energy stored by spring, and how this impact calculates, then be a difficulty
Thing.For another example a kind of three-dimensional isolation device disclosed in the patent application of Publication No. CN101761147A, this device is pressed to
During tension transition, wherein the energy of six disk spring storages also can be delivered on rhombic steel plate antivibrator by screw rod, equally
The problem that there is also design dyscalculia.Additionally, slide block, rail plate and the height in the scheme of CN101761147A patent application
Hale Horizontal limiting and stretch-proof organization that rope is constituted, not only make design dyscalculia, but also add whole shock isolation system
Complexity.
Summary of the invention
The technical problem to be solved is to provide a kind of pull bar guide type helical spring three-dimensional shock isolation support, and these are three years old
Dimension shock isolating pedestal, only with a kind of antivibrator, is not only simple in structure, and can antidumping.
The present invention solves the technical scheme of above-mentioned technical problem:
A kind of pull bar guide type helical spring three-dimensional shock isolation support, this bearing includes the upper junction plate being parallel to each other, lower company
Fishplate bar and be located between upper junction plate and lower connecting plate and be provided with four pull bar guide type coiled spring damper, each pull bar guides
Linked together by universal ball end respectively between connecting rod and upper junction plate and the lower connecting plate at formula coiled spring damper two,
Form the truncated rectangular pyramids structure that a two opposite side surfaces is respectively symmetrically；
Described pull bar guide type coiled spring damper includes helical spring, and two of this helical spring is from helical spring
End face be outwards sequentially provided with floating platen and dynamic pressure plate, each dynamic pressure plate one side opposing with floating platen is along described spiral bullet
Spring axis stretches out a connecting rod, and the end of this connecting rod is provided with bulb；
Being provided with two groups of precompressed pull bars parallel with the axis of helical spring respectively between described two floating platens, each group pre-
Pressure pull bar be three less, one of which is distributed in the centre bore of helical spring around the axisymmetrical of helical spring, another group around
The axisymmetrical of helical spring is distributed in the surrounding of helical spring；One of each group of precompressed pull bar is separately fixed at and is positioned at spiral
On the floating platen that spring is, other end be each passed through be positioned at helical spring other end floating platen and press with this floating
The dynamic pressure plate that plate is adjacent is fixed on a limit element；
Described limit element is respectively acting on the dynamic pressure plate being positioned at helical spring two, will by two groups of precompressed pull bars
Distance limit between two pieces of floating platens be helical spring be compressed to preset rigidity time length.
For ease of the distance between two pieces of floating platens of regulation so that it is equal to helical spring is compressed to preset the length of rigidity
Degree, the limit element described in such scheme is hexagonal flange nut, and described precompressed pull bar is polished rod bolt, and the two screw thread is even
Connect and be fixed on.
In order to avoid producing rigid impact between limit element and dynamic pressure plate and the second end plate, in such scheme, described
Elastic polymer material it is embedded with limit element, such as sheet rubber on the surface that dynamic pressure plate contacts.
In such scheme, the described angle between pull bar guide type coiled spring damper and lower connecting plate can be according to whole
Dead load and default earthquake intensity that individual bearing is undertaken select.
Antivibrator of the present invention has the advantages that
(1) the axial force either forward born due to each pull bar guide type coiled spring damper is the most anti-
To, helical spring all can produce elastic compression deformable shock-resistant, and three-dimensional shock isolation support the most of the present invention can seismic wave isolator
Horizontal direction component, vertical component and torsional component, and then realize three-dimensional isolation truly.
(2) whole bearing is mainly made up of the pull bar guide type coiled spring damper that two pieces of connecting plates and four are same,
Not only structure is simple and direct, and the transfer route of power is clear, clear and definite, greatly reduces design difficulty in computation.
(3) length changing precompressed pull bar can change the initial stiffness of each pull bar guide type coiled spring damper,
Therefore can calculate the initial stiffness of each antivibrator according to the static load that each bearing is to be undertaken, and then ensure withdrawing support
The vertical displacement of rear building is little, does not even produce vertical displacement.Visible three-dimensional shock isolation support of the present invention had both been suitable for new
The building shock insulation built, also is adapted for the shock-insulating reconstruction of existing building.
(4) not only can realize three-dimensional isolation truly, but also there is the effect of antidumping.
Accompanying drawing explanation
Fig. 1～4 is the structural representation of a specific embodiment (employing Approximate) of bearing of the present invention, its
In, Fig. 1 is front view, and Fig. 2 is left view, Fig. 3 top view, and Fig. 4 is the enlarged drawing of local I in Fig. 1.
Fig. 5～9 is Fig. 1～the structural representation of pull bar guide type coiled spring damper in 4 illustrated embodiments, wherein,
Fig. 5 is front view (section view), and Fig. 6 is the A A sectional view of Fig. 5, and Fig. 7 is the B B sectional view of Fig. 5, and Fig. 8 is local II in Fig. 5
Enlarged drawing, Fig. 9 be in Fig. 5 local III enlarged drawing.
Detailed description of the invention
Seeing Fig. 1～4, the three-dimensional shock isolation support in this example includes the upper junction plate 1 being parallel to each other, lower connecting plate 2 and sets
Four pull bar guide type coiled spring damper 3 it are provided with between upper junction plate 1 and lower connecting plate 2；Each pull bar guide type spiral shell
It is connected to one by universal ball end respectively between connecting rod 3-1 and upper junction plate 1 and the lower connecting plate 2 at rotation spring-damper 3 two
Rise, form about 1 two side symmetry, the truncated rectangular pyramids structure of former and later two sides symmetries.Pull bar guide type described in this example
Angle between coiled spring damper 3 and lower connecting plate 2 is 70 °.
Connecting rod 3-1 at above-mentioned pull bar guide type coiled spring damper 3 two and upper junction plate 1 and lower connecting plate 2 it
Between universal ball head connecting structure identical, below as a example by the universal ball head connecting structure between connecting rod 3-1 and lower connecting plate 2
It is described.See Fig. 1 and Fig. 4, connecting rod 3-1 of above-mentioned pull bar guide type coiled spring damper 3 following and lower connecting plate 2
Between universal ball head connecting structure include the ball-and-socket on lower connecting plate 2, the ball of pull bar guide type coiled spring damper 3 following
Head 3-2 and cover plate 4, wherein, the middle part of described cover plate 4 is provided with sphere hole, pull bar guide type coiled spring damper 3 following
Bulb 3-2 is buckled in the ball-and-socket on connecting plate 2 by this sphere hole, covers 4 and is fixed on lower connecting plate 2 by four bolts 5.Described
The inwall of sphere hole be provided with cannelure, be provided with sealing ring 6 in groove, to avoid the lubricant leakage in universal ball head connecting structure
Go out.
Seeing Fig. 5～9, described pull bar guide type coiled spring damper 3 includes helical spring 3-3, this helical spring
Two of 3-3 is outwards sequentially provided with floating platen 3-4 and dynamic pressure plate 3-5, each dynamic pressure plate 3-5 from the end face of helical spring 3-3
The one side opposing with floating platen 3-4 stretches out connecting rod 3-1 along described helical spring 3-3 axis, the end of this connecting rod
End is provided with bulb 3-2.For the ease of assembling, between described bulb 3-2 and connecting rod 3-1, employing is screwed and is connected to one
Rise.
See Fig. 5～9, between described two floating platen 3-4, be provided with two groups of all parallel with the axis of helical spring 3-3 works
It is four for the polished rod bolt 3-6 of precompressed pull bar, one of which polished rod bolt 3-6 and axisymmetrical around helical spring 3-3 divides
Cloth is in the centre bore of helical spring 3-3, and another group polished rod bolt 3-6 is the six roots of sensation and the axisymmetrical around helical spring 3-3 divides
Cloth is in the surrounding of helical spring 3-3.
Seeing Fig. 5～9, the head of a nail 3-7 being located in the centre bore of helical spring 3-3 four polished rod bolt 3-6 tops divides
Be not weldingly fixed on be positioned at helical spring 3-3 top floating platen 3-5 on, head has externally threaded nail rod and is placed through
The floating platen 3-4 and the dynamic pressure plate 3-5 adjacent with this floating platen 3-4 of helical spring 3-3 following is the most threaded fixing
One as on the hexagonal flange nut 3-8 of limit element；It is located at the six roots of sensation polished rod bolt 3-6 following of helical spring 3-3 surrounding
Head of a nail 3-7 be respectively welded be held within helical spring 3-3 following floating platen 3-4 on, head has externally threaded
Nail rod is placed through the floating platen 3-4 and the dynamic pressure plate 3-5 adjacent with this floating platen 3-4 of helical spring 3-3 top, respectively
Threaded it is fixed on another as on the hexagonal flange nut 3-8 of limit element.
See Fig. 5～9, when assembling or in-site installation, turn hexagonal flange nut 3-8 and make it be respectively acting on to be positioned at spiral
On the dynamic pressure plate 3-5 at spring 3-3 two, by two groups as precompressed pull bar polished rod bolt 3-6 by two pieces of floating platen 3-4 it
Between distance limit be helical spring 3-3 be compressed to preset rigidity time length.In order to prevent hexagonal flange nut 3-8 in earthquake
The vibration processes produced loosens, can be spot-welded together with polished rod bolt 3-6 by hexagonal flange nut 3-8 after debugging is good.
See Fig. 8 and combine Fig. 5, in order to avoid producing rigid impact between hexagonal flange nut 3-8 and dynamic pressure plate 3-5,
Sheet rubber 3-9 it is embedded with respectively on the surface that described dynamic pressure plate 3-5 and hexagonal flange nut 3-8 contacts.
See Fig. 5～9, when assembling or in-site installation, turn hexagonal flange nut 3-8, make between two pieces of floating platen 3-4
Distance equal to helical spring 3-3 is compressed to preset the length of rigidity.
See Fig. 5, when pull bar guide type coiled spring damper 3 is by axial external load, no matter external load
Pressure or pulling force, if its less than above-mentioned precompression, helical spring 3-3 will not continue to deformation.Work as external load
During more than described precompression, if external load is pressure, described two dynamic pressure plate 3-5 promote the floating platen 3-4 pressure being adjacent
Contracting helical spring 3-3 produces elastic deformation damping；If external load is pulling force, the polished rod bolt 3-6 of described two groups of precompressed pull bars
Two pieces of floating platen 3-4 compression helical spring 3-3 of tractive relatively produce elastic deformation damping.
See Fig. 1 and Fig. 3, it is assumed that be fixed on building by upper junction plate 1, on the basis of lower connecting plate 2 is fixed on, that
, if seismic wave produces a horizontal thrust from left to right, lower connecting plate 2 just moves right, four pull bar guide type spirals
Spring-damper 3 then bulb 3-2 rotating around top rotates counterclockwise, two pull bar guide type spiral shells on the left of three-dimensional shock isolation support
Rotation spring-damper 3 is compressed, and two pull bar guide type coiled spring damper 3 in left side are then stretched；If seismic wave produces
A raw downward pulling force, four pull bar guide type coiled spring damper 3 are stretched simultaneously；If seismic wave produces a rotatory force
Square (the most clockwise or counterclockwise), four pull bar guide type coiled spring damper 3 are also stretched simultaneously；In like manner, as
When really building topples toward side, then two pull bar guide type coiled spring damper 3 are had to be stretched, another two pull bar guide types
Coiled spring damper 3 is compressed.The operation principle public of other stress of three-dimensional shock isolation support of the present invention can be certainly
Row is analyzed.
As seen from the above analysis, three-dimensional shock isolation support of the present invention not only can realize three-dimensional isolation truly,
But also there is the effect of antidumping.
Claims (3)
1. a pull bar guide type helical spring three-dimensional shock isolation support, this bearing includes the upper junction plate being parallel to each other, lower connection
Plate and be located between upper junction plate and lower connecting plate and be provided with four pull bar guide type coiled spring damper, each pull bar guide type
Linked together by universal ball end respectively between connecting rod and upper junction plate and the lower connecting plate at coiled spring damper two, shape
Become the truncated rectangular pyramids structure that a two opposite side surfaces is respectively symmetrically；
Described pull bar guide type coiled spring damper includes helical spring, and two of this helical spring is from the end of helical spring
Facing out and be sequentially provided with floating platen and dynamic pressure plate, each dynamic pressure plate one side opposing with floating platen is along described helical spring axle
Line stretches out a connecting rod, and the end of this connecting rod is provided with bulb；
Being provided with two groups of precompressed pull bars parallel with the axis of helical spring respectively between described two floating platens, each group of precompressed is drawn
Bar is three less, and one of which is distributed in the centre bore of helical spring around the axisymmetrical of helical spring, and another group is around spiral
The axisymmetrical of spring is distributed in the surrounding of helical spring；One of each group of precompressed pull bar is separately fixed at and is positioned at helical spring
On the floating platen of, other end be each passed through be positioned at helical spring other end floating platen and with this floating platen phase
Adjacent dynamic pressure plate is fixed on a limit element；
Described limit element is respectively acting on the dynamic pressure plate being positioned at helical spring two, by two groups of precompressed pull bars by two pieces
Distance limit between floating platen be helical spring be compressed to preset rigidity time length.
A kind of pull bar guide type helical spring three-dimensional shock isolation support the most according to claim 1, it is characterised in that described
Limit element is hexagonal flange nut, and described precompressed pull bar is polished rod bolt, and the two is threaded has been fixed on.
A kind of pull bar guide type helical spring three-dimensional shock isolation support the most according to claim 1 and 2, it is characterised in that institute
Elastic polymer material it is embedded with limit element on the surface that the dynamic pressure plate stated contacts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610906300.5A CN106285148A (en) | 2016-10-17 | 2016-10-17 | A kind of pull bar guide type helical spring three-dimensional shock isolation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610906300.5A CN106285148A (en) | 2016-10-17 | 2016-10-17 | A kind of pull bar guide type helical spring three-dimensional shock isolation support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106285148A true CN106285148A (en) | 2017-01-04 |
Family
ID=57718999
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610906300.5A Pending CN106285148A (en) | 2016-10-17 | 2016-10-17 | A kind of pull bar guide type helical spring three-dimensional shock isolation support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106285148A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847407A (en) * | 2019-11-27 | 2020-02-28 | 郑州工业应用技术学院 | Steel construction building with shock resistance |
| CN111576908A (en) * | 2020-04-14 | 2020-08-25 | 成都农业科技职业学院 | Constructional engineering frame roof beam reinforcing apparatus |
| CN112095832A (en) * | 2020-09-29 | 2020-12-18 | 扬州大学 | Self-resetting energy-consumption inhaul cable supporting device based on pre-pressed disc spring |
| CN112431316A (en) * | 2020-11-19 | 2021-03-02 | 东莞理工学院 | Universal anti-pulling laminated rubber support |
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| CN87100223A (en) * | 1987-02-07 | 1987-08-12 | 华东建筑设计院 | Prestressed damping spring vibration-reducing apparatus |
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| CN101559396A (en) * | 2009-05-15 | 2009-10-21 | 江苏大学 | Triaxial vibration-decreasing/vibration-isolating platform of hammer crusher |
| US7950633B2 (en) * | 2008-08-07 | 2011-05-31 | Drs Rsta, Inc. | Vibration isolator system |
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| CN104344182A (en) * | 2014-09-12 | 2015-02-11 | 中国电子科技集团公司第三十八研究所 | Parallel mechanism vibration isolation and displacement protection device |
| CN205089885U (en) * | 2015-11-17 | 2016-03-16 | 哈尔滨工业大学 | Half initiative damping platform of 6 -degree of freedom |
| CN105937577A (en) * | 2016-06-23 | 2016-09-14 | 任祥根 | Multi-dimensional damping support of intelligent power distribution cabinet |
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| CN87100223A (en) * | 1987-02-07 | 1987-08-12 | 华东建筑设计院 | Prestressed damping spring vibration-reducing apparatus |
| CN201136517Y (en) * | 2007-12-18 | 2008-10-22 | 中国北车集团四方车辆研究所 | Bidirectional buffer for pulling-pressing conversion of elastic body |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110847407A (en) * | 2019-11-27 | 2020-02-28 | 郑州工业应用技术学院 | Steel construction building with shock resistance |
| CN111576908A (en) * | 2020-04-14 | 2020-08-25 | 成都农业科技职业学院 | Constructional engineering frame roof beam reinforcing apparatus |
| CN111576908B (en) * | 2020-04-14 | 2021-10-22 | 河南建标工程管理有限公司 | Constructional engineering frame roof beam reinforcing apparatus |
| CN112095832A (en) * | 2020-09-29 | 2020-12-18 | 扬州大学 | Self-resetting energy-consumption inhaul cable supporting device based on pre-pressed disc spring |
| CN112431316A (en) * | 2020-11-19 | 2021-03-02 | 东莞理工学院 | Universal anti-pulling laminated rubber support |
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