CN106499241A - A kind of rod-pulling type helical spring three-dimensional shock isolation support - Google Patents
A kind of rod-pulling type helical spring three-dimensional shock isolation support Download PDFInfo
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- CN106499241A CN106499241A CN201610906238.XA CN201610906238A CN106499241A CN 106499241 A CN106499241 A CN 106499241A CN 201610906238 A CN201610906238 A CN 201610906238A CN 106499241 A CN106499241 A CN 106499241A
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- pull bar
- plate
- dynamic pressure
- end cap
- fairlead
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- 238000002955 isolation Methods 0.000 title claims abstract description 30
- 230000035939 shock Effects 0.000 title claims abstract description 22
- 239000002184 metal Substances 0.000 claims description 28
- 238000007667 floating Methods 0.000 claims description 25
- 239000002861 polymer material Substances 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 description 4
- 238000007906 compression Methods 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 3
- 239000002965 rope Substances 0.000 description 3
- 230000003068 static Effects 0.000 description 3
- 206010049669 Dyscalculia Diseases 0.000 description 2
- 210000000282 Nails Anatomy 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 206010070834 Sensitisation Diseases 0.000 description 1
- 241001079814 Symphyotrichum pilosum Species 0.000 description 1
- 235000004224 Typha angustifolia Nutrition 0.000 description 1
- 210000001215 Vagina Anatomy 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005755 formation reaction Methods 0.000 description 1
- 238000009434 installation 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
- 238000005259 measurement Methods 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
- 230000035882 stress 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
Abstract
The present invention relates to a kind of rod-pulling type helical spring three-dimensional shock isolation support, the 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 being provided with four pull bar back pressure type coiled spring dampers, linked together by universal ball end between the connecting rod at each pull bar back pressure type coiled spring damper two and upper junction plate and lower connecting plate respectively, form the truncated rectangular pyramids structure that two opposite side surfaces are respectively symmetrically.Three-dimensional shock isolation support of the present invention not only can achieve three-dimensional isolation truly, but also the effect with antidumping.
Description
Technical field
The present invention relates to a kind of building vibration proof (or vibrations) device, and in particular to three-dimensional isolation device.
Background technology
Three-dimensional isolation device is a kind of shockproof isolating device being located between building and basis, can effectively inhale from various dimensions
Receipts, the energy of dissipation outside input, so that reach the purpose of protection building safety.Three-dimensional isolation device is generally by vertical earthquake isolating
Bearing and horizontal seismic isolation bearing are combined, and both absorb both vertically and horizontally seismic wave respectively.
It is well known that the development of three-dimensional isolation device depends on the technological progress of antivibrator.At present, really enter practical application
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 (larger static load can not be undertaken).Therefore, on the existing three-dimensional shock isolation support overwhelming majority is all
The combination of antivibrator is stated, and is essentially all that laminated rubber antivibrator is connected 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 and stretches different from compression property
Shortcoming, has some three-dimensional shock isolation supports to be additionally arranged tensile structure (such as setting up steel wire rope in surrounding) in laminated rubber antivibrator,
Also there are some three-dimensional shock isolation supports by metal spring antivibrator and viscoelastic damper (or other Stretch materials, such as rhombus steel
Plate etc.) compound, static load and compression shock absorption is undertaken using metal spring antivibrator, using viscoelastic damper stretching, compression power consumption.
But, the compound antivibrator of multiple flexible members, not only complex structure, and when designing, need consideration 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, the 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 is realized.But, as viscoelastic material is larger with the damping characteristic difference of disk spring, and both correlation degrees have
Much, these all will be determined by experiment；Especially, when the three-dimemsional vibration insulationg system is by tension transition is pressed to,
Although disk spring does not work, the energy stored by disk spring can be added on viscoelastic damper, make viscoelasticity
Antivibrator obtains larger initial acceleration, and viscoelastic damper is then a kind of velocity sensitization type antivibrator, it is clear that dish-shaped bullet
Impact of the energy stored by spring to viscoelastic damper can not be ignored, and how the impact will calculate, then be a difficulty
Thing.For another example a kind of three-dimensional isolation device disclosed in the patent application of Publication No. CN101761147A, the device are pressed to
During tension transition, the energy of wherein six disk spring storages also can be delivered on rhombic steel plate antivibrator, equally by screw rod
There is also the problem of design dyscalculia.Additionally, the slide block, rail plate and height in the scheme of CN101761147A patent applications
Horizontal limiting and stretch-proof organization that rope is constituted is haled, design dyscalculia is not only made, and be also add whole shock isolation system
Complexity.
Content of the invention
The technical problem to be solved is to provide a kind of rod-pulling type helical spring three-dimensional shock isolation support, the three-dimensional every
Shake bearing is not only simple in structure only with a kind of antivibrator, and can antidumping.
The present invention solves the technical scheme of above-mentioned technical problem：
A kind of rod-pulling type helical spring three-dimensional shock isolation support, the bearing include upper junction plate, the lower connecting plate being parallel to each other
And be located between upper junction plate and lower connecting plate and be provided with four pull bar back pressure type coiled spring dampers, each pull bar back pressure type spiral shell
Linked together by universal ball end between the connecting rod at rotation spring-damper two and upper junction plate and lower connecting plate respectively, formed
The truncated rectangular pyramids structure that one two opposite side surfaces are respectively symmetrically；
Described pull bar back pressure type coiled spring damper includes that a fairlead, of the fairlead are provided with first end
Lid, other end is provided with the second end cap；Metal coil spring is coaxially provided with described fairlead, a drive member is by the first end cap
Outside put in described fairlead, the drive member includes dynamic pressure plate and connecting rod, and wherein described dynamic pressure plate is located at metal
The head of helical spring, the connecting rod is located on dynamic pressure plate and the axis along fairlead extends fairlead, and end is provided with ball
Head；The outer surface of the second described end cap is provided with another connecting rod, and the connecting rod is coaxial with the connecting rod in drive member, and end
End is provided with another bulb；
Backpressure device is additionally provided with described fairlead, it is pre- that the backpressure device includes that quantity is at least two groups of three respectively
Pressure pull bar and two pieces of floating platens, wherein,
Two pieces of described floating platens, one piece is located between the dynamic pressure plate and metal coil spring, and another piece is located at
Between two end caps and metal coil spring；
Two groups of described precompressed pull bars are distributed in the center of the metal coil spring rotating around the axisymmetrical of fairlead
In hole, and, in one group of precompressed pull bar, of each precompressed pull bar is fixed on the floating platen adjacent with dynamic pressure plate, another
Head is fixed on a limit element through the floating platen adjacent with the second end cap and the second end cap；Every in another group of precompressed pull bar
One of a piece precompressed pull bar is fixed on the floating platen adjacent with the second end cap, and other end is floated through adjacent with dynamic pressure plate
Dynamic pressure plate and dynamic pressure plate are fixed on another limit element；
Described limit element is respectively acting on described dynamic pressure plate and the second end cap, by two groups of precompressed pull bars by two
The distance between block floating platen is limited to length when metal coil spring is compressed to default rigidity.
For ease of adjusting the distance between two pieces of floating platens so as to be compressed to default rigidity equal to by metal coil spring
Length, the limit element described in such scheme is hexagonal flange nut, and described precompressed pull bar is polished rod bolt, the two spiral shell
Stricture of vagina has been fastened on.
In order to avoid producing rigid impact between limit element and dynamic pressure plate and the second end cap, in such scheme, described
Elastic polymer material, such as sheet rubber are embedded with respectively on the surface that dynamic pressure plate and the second end cap are contacted with limit element.
In such scheme, the angle between described pull bar back pressure type coiled spring damper and lower connecting plate can be according to whole
The dead load and default earthquake intensity undertaken by individual bearing is selected.
Damping device of the present invention has the advantages that：
(1) axial force born due to each pull bar back pressure type coiled spring damper is either positive or anti-
To metal coil spring can produce elastic compression and deform and damping, and therefore three-dimensional shock isolation support of the present invention can be isolated
The horizontal direction component of seismic wave, vertical component and torsional component, and then realize three-dimensional isolation truly.
(2) whole bearing is mainly made up of the same pull bar back pressure type coiled spring damper of two pieces of connecting plates and four,
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 for changing precompressed pull bar can change the initial stiffness of each pull bar back pressure type coiled spring damper,
Therefore the initial stiffness of each antivibrator can be calculated according to each bearing static load to be undertaken, and then ensures withdrawing support
The vertical displacement of building is little afterwards, does not even produce vertical displacement.It can be seen that three-dimensional shock isolation support of the present invention had both been suitable for newly
The building shock insulation that builds, also is adapted for the shock-insulating reconstruction of existing building.
(4) three-dimensional isolation truly, but also the effect with antidumping not only can achieve.
Description of the drawings
Structural representation of Fig. 1～4 for a specific embodiment (adopting Approximate) of bearing of the present invention, its
In, Fig. 1 is front view, and Fig. 2 is left view, and Fig. 3 top views, Fig. 4 are the enlarged drawing of local I in Fig. 1.
Fig. 5～9 are the structural representation of pull bar back pressure type coiled spring damper in the illustrated embodiment of Fig. 1～4, wherein,
Fig. 5 is front view (section view), and A A sectional views of the Fig. 6 for Fig. 5, B B sectional views of the Fig. 7 for Fig. 5, Fig. 8 are local II in Fig. 5
Enlarged drawing, Fig. 9 be Fig. 5 in local III enlarged drawing.
Specific embodiment
Referring to 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 back pressure type coiled spring dampers 3 are provided between upper junction plate 1 and lower connecting plate 2；Each pull bar back pressure type spiral shell
One is connected to respectively by universal ball end between connecting rod 3-1 at 3 two of rotation spring-damper and upper junction plate 1 and lower connecting plate 2
Rise, one or so two sides of formation are symmetrical, the truncated rectangular pyramids structure that former and later two sides are symmetrical.Pull bar back pressure 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 3 two of pull bar back pressure type coiled spring damper and upper junction plate 1 and lower connecting plate 2 it
Between universal ball head connecting structure identical, below by taking the universal ball head connecting structure between connecting rod 3-1 and lower connecting plate 2 as an example
It is described.Referring to Fig. 1 and Fig. 4, connecting rod 3-1 of above-mentioned 3 following of pull bar back pressure type coiled spring damper and lower connecting plate 2
Between universal ball head connecting structure include ball-and-socket on lower connecting plate 2, the ball of 3 following of pull bar back pressure type coiled spring damper
Head 3-2 and cover plate 4, wherein, the middle part of described cover plate 4 is provided with sphere hole, 3 following of pull bar back pressure type coiled spring damper
Bulb 3-2 is buckled in the ball-and-socket on connecting plate 2 by the sphere hole, is covered 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 in universal ball head connecting structure from leaking
Go out.
Referring to Fig. 5～9, the pull bar back pressure type coiled spring damper 3 in above-mentioned three-dimensional shock isolation support includes a fairlead
The top of 3-3, fairlead 3-3 is provided with the first end cap 3-4, and following is provided with the second end cap 3-5；Same in described fairlead 3-3
Axle is provided with metal coil spring 3-6, a drive member by putting on the outside of the first end cap 3-4 in described fairlead 3-3, the drive
Dynamic component includes that dynamic pressure plate 3-7 and connecting rod 3-1, wherein dynamic pressure plate 3-7 are located at the head of metal coil spring 3-6, connecting rod
3-1 is located on dynamic pressure plate 3-7 and the axis along fairlead 3-3 extends fairlead 3-3, and end is provided with bulb 3-2；Described
The outer surface of two end cap 3-5 is provided with another connecting rod 3-1, and the connecting rod is coaxial with connecting rod 3-1 in drive member, and end
It is provided with another bulb 3-2.For the ease of assembling, between described bulb 3-2 and connecting rod 3-1, one is connected to using being screwed
Rise.
Referring to Fig. 5～9, in described fairlead 3-3, backpressure device is additionally provided with, the backpressure device includes eight as precompressed
The polished rod bolt 3-8 of pull bar and two pieces of floating platen 3-9, eight described polished rod bolt 3-8 are divided to for two groups, four per group.
Referring to Fig. 5, two pieces of floating platen 3-9, one piece is located between the dynamic pressure plate 3-7 and metal coil spring 3-6, separately
One piece is located between the second end cap 3-5 and metal coil spring 3-6.
Referring to Fig. 5～9, two groups of polished rod bolts 3-8 is distributed in metal spiral rotating around the axisymmetrical of fairlead 3-3
In the centre bore of spring 3-6, and, each polished rod bolt 3-8 has head of a nail 3-11 in one group of polished rod bolt 3-8 one wears
And be weldingly fixed on the floating platen 3-9 adjacent with dynamic pressure plate 3-7, there is head externally threaded nail rod to pass through and the second end cap
3-5 adjacent floating platen 3-9 and the second end cap 3-5 threaded connection be fixed on one as limit element hexagonal flange nut 3-
On 10；Each polished rod bolt 3-8 has the head of a nail in another group of polished rod bolt 3-8 one wears and is weldingly fixed on and second
On the adjacent floating platen 3-9 of end cap 3-5, other end passes through the floating platen 3-9 adjacent with dynamic pressure plate 3-7 and dynamic pressure plate 3-7
Threaded connection is fixed on another hexagonal flange nut 3-10 as limit element.
Referring to Fig. 8 and Fig. 5 is combined, in order to avoid between hexagonal flange nut 3-10 and dynamic pressure plate 3-7 and the second end cap 3-5
Rigid impact is produced, embedding respectively on the surface that described dynamic pressure plate 3-7 and the second end cap 3-5 are contacted with hexagonal flange nut 3-10
It is provided with sheet rubber 3-12.
Referring to Fig. 5～9, when assembling or in-site installation, turning hexagonal flange nut 3-10, to be respectively acting on which described
On dynamic pressure plate 3-7 and the second end cap 3-5, being equal to the distance between two pieces of floating platen 3-9 by two groups of polished rod bolt 3-8 will
Metal coil spring 3-6 is compressed to the length of default rigidity.Although two pieces of floating platen 3-9 and the equal positions of metal coil spring 3-6
Inconvenient direct measurement in the fairlead 3-3, but the overhang of measurable polished rod bolt 3-8 extrapolate two pieces of floating platen 3-9 it
Between distance.
Referring to Fig. 1 and Fig. 8 and Fig. 5 is combined, in order to prevent hexagonal flange nut 3-10 in the vibration processes that earthquake is produced
Loosen, hexagonal flange nut 3-10 can be welded together with polished rod bolt 3-8 after debugging is good.
Referring to Fig. 5, when pull bar back pressure type coiled spring damper 3 is subject to the external load of axial direction, no matter external load is
Pressure or pulling force, if its less than above-mentioned precompression, metal coil spring 3-6 will not continue to deformation.When outside load
When lotus is more than the precompression, if external load is pressure, the dynamic pressure plate 3-7 promotes the floating platen 3-9 pressures being adjacent
Helical spring 3-6 in receding metal produces elastic deformation and damping；If external load is pulling force, two groups of precompressed steel wire ropes 3-8 point
Not Qian La two pieces of floating platen 3-9 compressed metal helical springs 3-6 produce elastic deformations and damping.
Referring to Fig. 1 and Fig. 3, it is assumed that upper junction plate 1 is fixed on building, 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 back pressure type spirals
Spring-damper 3 is then rotated counterclockwise rotating around the bulb 3-2 on top, two on the left of three-dimensional shock isolation support pull bar back pressure type spiral shell
Rotation spring-damper 3 is compressed, and two pull bar back pressure type coiled spring dampers 3 in left side are then stretched；If seismic wave is produced
A raw downward pulling force, four pull bar back pressure type coiled spring dampers 3 are stretched simultaneously；If seismic wave produces a rotatory force
Square (either clockwise or counterclockwise), four pull bar back pressure type coiled spring dampers 3 are also stretched simultaneously；In the same manner, such as
Fruit building toward side topple when, then have two pull bar back pressure type coiled spring dampers 3 to be stretched, another two pull bar back pressure types
Coiled spring damper 3 is compressed.The operation principle public of other stresses of three-dimensional shock isolation support of the present invention can be certainly
Row analysis.
As seen from the above analysis, three-dimensional shock isolation support of the present invention not only can achieve three-dimensional isolation truly,
But also the effect with antidumping.
Claims (3)
1. a kind of rod-pulling type helical spring three-dimensional shock isolation support, upper junction plate that the bearing includes being parallel to each other, lower connecting plate and
It is located between upper junction plate and lower connecting plate and is provided with four pull bar back pressure type coiled spring dampers, each pull bar back pressure type spiral
Linked together by universal ball end between the connecting rod at spring-damper two and upper junction plate and lower connecting plate respectively, form one
The truncated rectangular pyramids structure that two opposite side surfaces are respectively symmetrically；
Described pull bar back pressure type coiled spring damper includes that a fairlead, of the fairlead are provided with the first end cap, separately
One is provided with the second end cap；Metal coil spring is coaxially provided with described fairlead, and a drive member is by the outer of the first end cap
Side is put in described fairlead, and the drive member includes dynamic pressure plate and connecting rod, and wherein described dynamic pressure plate is located at metal spiral
The head of spring, the connecting rod is located on dynamic pressure plate and the axis along fairlead extends fairlead, and end is provided with bulb；Institute
The outer surface of the second end cap that states is provided with another connecting rod, and the connecting rod is coaxial with the connecting rod in drive member, and end sets
There is another bulb；
Backpressure device is additionally provided with described fairlead, the backpressure device includes that quantity is at least two groups of precompressed of three respectively and draws
Bar and two pieces of floating platens, wherein,
Two pieces of described floating platens, one piece is located between the dynamic pressure plate and metal coil spring, and another piece is located at the second end
Between lid and metal coil spring；
Two groups of described precompressed pull bars are distributed in the centre bore of the metal coil spring rotating around the axisymmetrical of fairlead,
And, in one group of precompressed pull bar, of each precompressed pull bar is fixed on the floating platen adjacent with dynamic pressure plate, and other end is worn
Cross the floating platen adjacent with the second end cap and the second end cap is fixed on a limit element；Each in another group of precompressed pull bar
One of precompressed pull bar is fixed on the floating platen adjacent with the second end cap, and other end passes through the floating pressure adjacent with dynamic pressure plate
Plate and dynamic pressure plate are fixed on another limit element；
Described limit element is respectively acting on described dynamic pressure plate and the second end cap, floating by two pieces by two groups of precompressed pull bars
The distance between dynamic pressure plate is equal to the length that will be limited to when metal coil spring is compressed to default rigidity.
2. a kind of rod-pulling type helical spring three-dimensional shock isolation support according to claim 1, it is characterised in that described is spacing
Element is hexagonal flange nut, and described precompressed pull bar is polished rod bolt, and the two threaded connection has been fixed on.
3. a kind of rod-pulling type helical spring three-dimensional shock isolation support according to claim 1, it is characterised in that described dynamic pressure
Elastic polymer material is embedded with respectively on the surface that plate and the second end cap are contacted with limit element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610906238.XA CN106499241A (en) | 2016-10-17 | 2016-10-17 | A kind of rod-pulling type helical spring three-dimensional shock isolation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610906238.XA CN106499241A (en) | 2016-10-17 | 2016-10-17 | A kind of rod-pulling type helical spring three-dimensional shock isolation support |
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| CN106499241A true CN106499241A (en) | 2017-03-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610906238.XA Pending CN106499241A (en) | 2016-10-17 | 2016-10-17 | A kind of rod-pulling type helical spring three-dimensional shock isolation support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907389A (en) * | 2017-03-17 | 2017-06-30 | 常州大学 | A kind of big corner spherical hinge structure with remote centre of motion |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US7950633B2 (en) * | 2008-08-07 | 2011-05-31 | Drs Rsta, Inc. | Vibration isolator system |
| CN202039470U (en) * | 2011-04-24 | 2011-11-16 | 广州大学 | Three-dimensional shock isolating and absorbing device |
| CN202298970U (en) * | 2011-09-30 | 2012-07-04 | 福州大学 | Device having three-dimensional seismic isolation and anti-turnover structure |
-
2016
- 2016-10-17 CN CN201610906238.XA patent/CN106499241A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| US7950633B2 (en) * | 2008-08-07 | 2011-05-31 | Drs Rsta, Inc. | Vibration isolator system |
| CN202039470U (en) * | 2011-04-24 | 2011-11-16 | 广州大学 | Three-dimensional shock isolating and absorbing device |
| CN202298970U (en) * | 2011-09-30 | 2012-07-04 | 福州大学 | Device having three-dimensional seismic isolation and anti-turnover structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106907389A (en) * | 2017-03-17 | 2017-06-30 | 常州大学 | A kind of big corner spherical hinge structure with remote centre of motion |
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