CN104032670A - Large-corner high-friction shock-absorbing and shock-isolating support - Google Patents
Large-corner high-friction shock-absorbing and shock-isolating support Download PDFInfo
- Publication number
- CN104032670A CN104032670A CN201410255971.0A CN201410255971A CN104032670A CN 104032670 A CN104032670 A CN 104032670A CN 201410255971 A CN201410255971 A CN 201410255971A CN 104032670 A CN104032670 A CN 104032670A
- Authority
- CN
- China
- Prior art keywords
- base plate
- seat board
- friction
- laminated rubber
- upper base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Vibration Prevention Devices (AREA)
- Bridges Or Land Bridges (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
A large-corner high-friction shock-absorbing and shock-isolating support comprises a left laminated rubber block and a right laminated rubber block, a bottom plate, a lower seat board, a middle seat board, an upper seat board, a low-friction-coefficient friction pair, a high-friction-coefficient friction pair, a shearing pin, a stopper and a vertical follower mechanism, wherein horizontal displacement occurs between the upper seat board and the bottom plate, and the laminated rubber block has shearing deformation for providing a restoring force; both the stopper and the shearing pin are used for bearing the horizontal force; the stopper has relatively high designed bearing capacity and cannot be destroyed under the action of any earthquake; the shearing pin has relatively low designed bearing capacity and can be sheared under the action of a great earthquake; the low-friction-coefficient friction pair is used for meeting requirements of corners; the high-friction-coefficient friction pair is used for dissipating earthquake capability. The large-corner high-friction shock-absorbing and shock-isolating support provides vertical bearing capacity and horizontal bearing capacity in normal use, can meet the requirement for deformation of relatively big corners of a long-span bridge and a long-span spatial structure, effectively reduces the seismic response of a bridge structure under the action of the earthquake, and ensures the anti-seismic safety of the bridge.
Description
Technical field
The invention belongs to structural seismic security fields, relate to and a kind ofly prevent that bridge, space structures from the bearing destroying occurring under geological process.
Background technology
In order to prevent that bridge, space structures from destroying under geological process, seismic isolation device (or vibration absorption and isolation support) is often set in the position of bearing, the prolongation cycle by vibration absorption and isolation support reduces superstructure horizontal inertial force, and the displacement that the power consumption by vibration absorption and isolation support reduces earthquake responds.Thereby its underpart structure often do not need to carry out special design, cost is relatively low.When providing and necessarily subtracting shock insulation ability, vibration absorption and isolation support also needs to meet structure requirement used in everyday.
Often there is the shortcomings such as corner deformability is little, price is higher, unstable properties, installation is inconvenient, maintenance is difficult in the vibration absorption and isolation support using in engineering at present.
Summary of the invention
The object of the present invention is to provide the high friction of a kind of large corner vibration absorption and isolation support, meet normal instructions for use, the power consumption of the damping under geological process requirement under non-earthquake conditions, the problem existing to solve existing product.The present invention has advantages of that corner deformability is large, cheap, great friction coefficient, height of support is little, horizontal movement is large, horizontal rigidity is easy to accurately control and excursion very greatly, is not raised phenomenon, can overcome the weak point of existing vibration absorption and isolation support completely.
For reaching above object, solution of the present invention is:
The high friction of a large corner vibration absorption and isolation support, comprises two groups of left and right laminated rubber piece 1, base plate 2, lower seat board 3, middle seat board 4, upper base plate 5, low-friction coefficient friction pair 6, great friction coefficient friction pair 7, shear pin 8, block 9, vertical follower 10.
Upper base plate 5, middle seat board 4, lower seat board 3 have formed spherical bearing.Spherical bearing is between the laminated rubber piece 1 of two groups of left and right.
Base plate 2 is connected with the substructure of bridge, and upper base plate 5 is connected with the superstructure of bridge.
The upper lower plane of two groups of laminated rubber pieces 1 is connected with upper base plate 5, base plate 2 respectively, occurred level displacement between upper base plate 5 and base plate 2, and will there is shear strain in laminated rubber piece 1, restoring force is provided.Block rubber in laminated rubber piece 1 is to be made by corrosion resistance, lower temperature resistance, the good elastomeric material of durability, and block rubber contains horizontal steel plate constraint rubber external drum.
Block 9 is the convex bodys that form in upper base plate 5 bottoms, is positioned at the periphery of described spherical bearing; Block 9 is for bearing horizontal force, and its design bearing capacity is larger, under what geological process in office, all can not destroy.Shear pin 8 is also for bearing horizontal force, and its design bearing capacity is smaller, and shear pin 8 is fixed on great friction coefficient friction pair 7 on base plate 2, and under large shake effect, shear pin 8 should be cut off.
Low-friction coefficient friction pair 6 between upper base plate 5 and middle seat board 4, and the low-friction coefficient friction pair 6 between middle seat board 4 and lower seat board 3 is mainly used in adapting to the requirement of corner.The earthquake ability and great friction coefficient friction pair 7 between base plate 2 and lower seat board 3 is mainly used in dissipating in earthquake.It should be noted that, friction pair belongs to conventional products in the art, does not need to introduce its CONSTRUCTED SPECIFICATION.
Vertical follower 10 is arranged between upper base plate 5 and laminated rubber piece 1 in space, to be formed by the vertical line slideway of arranging of some covers, every cover line slideway comprises guide rail pole 11 and slide block 12, the fixed end of guide rail pole 11 is connected in upper base plate 5, in slide block 12 and laminated rubber piece 1, the horizontal steel plate of upper end is fixed, and can slide up and down along guide rail pole 11.Vertical follower 10 can guarantee that the horizontal relative position between laminated rubber piece 1 end face and upper base plate 5 remains constant, and can when larger corner occurs bearing, can adapt to again the vertical relative displacement between upper base plate 5, base plate 2, meet the requirement of the larger corner deformability of bearing.
Upper base plate 5, middle seat board 4, lower seat board 3 have formed a common spherical bearing, can transmit vertical force, horizontal force, and adapt to the requirement of corner.The middle support plate that the middle seat board 4 of this bearing is spherical bearing, it also comprises rotation spherical, slip plane, and rotation spherical is connected and fixed on the spherical structure on middle seat board 4 tops, and slip plane is connected and fixed in the plane structure of middle seat board 4 bottoms.Described common spherical bearing, its structure, function, working method have belonged to ripe prior art, as bridge pad, be applicable to all types that < < spherical bearing technical condition > > GB/T 17955-2009 comprises, its technical requirements meets the requirement of these standards.
Owing to having adopted such scheme, the present invention has following characteristics:
1, corner deformability is larger: by upper base plate, in the common spherical bearing that forms of seat board, lower seat board, can adapt to neatly the larger requirement of bearing corner deformability by spherical rotation.Vertical follower 10 can discharge the constraint of laminated rubber piece to vertical displacement between upper base plate and base plate, adapts to the larger requirement of bearing corner deformability.Corner deformability can reach 0.2rad.
2, on-the-spot installation is simple, convenient, quality is guaranteed: the friction pair of laminated rubber piece, great friction coefficient becomes as a whole with spherical bearing, and on-the-spot mounting method is identical with general bearing, can ensure the quality of products.
3, damping energy dissipation capacity: play the effect of dissipation seismic energy by the friction pair of great friction coefficient.
4, the prolongation cycle: provide level to restoring force by laminated rubber piece, make the lateral-supporting rigidity of bridge pier and bearing train be less than the lateral-supporting rigidity of bridge pier, thereby play the prolongation cycle, reduce the effect of seismic response.
5, there is designability: can, by adjusting the parameters such as friction factor of friction pair of height, sectional dimension and shape, modulus of elasticity and the great friction coefficient of laminated rubber piece, to corner ability, energy dissipation capacity, slip rigidity and maximum displacement etc., carry out controlled design.
The high friction of the large corner of the present invention vibration absorption and isolation support, vertical bearing capacity, horizontal bearing capacity under normal use can be provided, the deformation requirements that can adapt to especially Loads of Long-span Bridges, the larger corner of large span spatial structure, can effectively reduce the seismic response of bridge construction under geological process, ensure bridge earthquake resistance safety simultaneously.
Accompanying drawing explanation
Fig. 1 is the direction across bridge structural representation of the high friction of the large corner of the present invention vibration absorption and isolation support.
Fig. 2 is that the vertical bridge of the high friction of the large corner of the present invention vibration absorption and isolation support is to structural representation.
Fig. 3 is the sectional view of bowing of the high friction of the large corner of the present invention vibration absorption and isolation support.
Fig. 4 is the structural representation of vertical follower, namely the partial enlarged drawing at A place in Fig. 1.
Description of symbols: laminated rubber piece 1, base plate 2, lower seat board 3, middle seat board 4, upper base plate 5, low-friction coefficient friction pair 6, great friction coefficient friction pair 7, shear pin 8, block 9, vertical follower 10, guide rail pole 11, slide block 12.
The specific embodiment
Below in conjunction with accompanying drawing illustrated embodiment, the present invention is further illustrated.
The high friction of the large corner of embodiment vibration absorption and isolation support, its design parameters sees the following form.
The design parameters of the high friction of the large corner of table 1 vibration absorption and isolation support
| Susceptor design parameter | The high friction of large corner vibration absorption and isolation support |
| Vertical bearing capacity N | 4000kN |
| Transverse horizontal bearing capacity under little shake effect F 1 | 400kN |
| Corner θ | 0.06rad |
| Low-friction coefficient during normal use μ 1 | 0.02 |
| Displacement request during normal use D 1 | +/-0.1m |
| Great friction coefficient under large shake effect μ 2 | 0.08 |
| Level is to subtracting shock insulation horizontal rigidity K 2 | 1000kN/m |
| Level is to subtracting shock insulation displacement capacity D 2 | 0.2m |
| Level is to Limiting Level bearing capacity F 2 | 1000kN |
As Figure 1-Figure 4, the high friction of large corner vibration absorption and isolation support comprises two groups of left and right laminated rubber piece 1, base plate 2, lower seat board 3, middle seat board 4, upper base plate 5, low-friction coefficient friction pair 6, great friction coefficient friction pair 7, shear pin 8, block 9, vertical follower 10.
Upper base plate 5, middle seat board 4, lower seat board 3 have formed spherical bearing.Spherical bearing is between the laminated rubber piece 1 of two groups of left and right.
Base plate 2 is connected with the substructure of bridge, and upper base plate 5 is connected with the superstructure of bridge.
Two groups of laminated rubber pieces 1 are placed in respectively the both sides of described spherical bearing, the upper lower plane of two groups of laminated rubber pieces 1 is connected with upper base plate 5, base plate 2 respectively, occurred level displacement between upper base plate 5 and base plate 2, will there is shear strain in laminated rubber piece 1, restoring force is provided.Block rubber in laminated rubber piece 1 is to be made by corrosion resistance, lower temperature resistance, the good elastomeric material of durability, and block rubber contains horizontal steel plate constraint rubber external drum.
Block 9 is the convex bodys that form in upper base plate 5 bottoms, is positioned at the periphery of described spherical bearing; Block 9 is for bearing horizontal force, and its design bearing capacity is larger, under what geological process in office, all can not destroy.Shear pin 8 is also for bearing horizontal force, and its design bearing capacity is smaller, and shear pin 8 is fixed on great friction coefficient friction pair 7 on base plate 2, and under large shake effect, shear pin 8 should be cut off.
Low-friction coefficient friction pair 6 between upper base plate 5 and middle seat board 4, and the low-friction coefficient friction pair 6 between middle seat board 4 and lower seat board 3 is mainly used in adapting to the requirement of corner.The earthquake ability and great friction coefficient friction pair 7 between base plate 2 and lower seat board 3 is mainly used in dissipating in earthquake.It should be noted that, friction pair belongs to conventional products in the art, does not need to introduce its CONSTRUCTED SPECIFICATION.
Vertical follower 10 is arranged between upper base plate 5 and laminated rubber piece 1 in space, to be formed by the vertical line slideway of arranging of some covers, every cover line slideway comprises guide rail pole 11 and slide block 12, the fixed end of guide rail pole 11 is connected in upper base plate 5, in slide block 12 and laminated rubber piece 1, the horizontal steel plate of upper end is fixed, and can slide up and down along guide rail pole 11.Vertical follower 10 can guarantee that the horizontal relative position between laminated rubber piece 1 end face and upper base plate 5 remains constant, and can when larger corner occurs bearing, can adapt to again the vertical relative displacement between upper base plate 5, base plate 2, meet the requirement of the larger corner deformability of bearing.
As a kind of conversion of the embodiment of the present invention, the common bearing of cooperation, except spherical bearing, can also adopt the bearing of other types and index.
As another conversion of the embodiment of the present invention, the quantity of described laminated rubber piece, parameter can increase or reduce, and its distribution form can planar be arranged arbitrarily.
As another conversion of the embodiment of the present invention, the scope of described low friction pair friction factor can be between 0.001 ~ 0.03, and the scope of high friction pair friction factor can be between 0.05 ~ 0.30.
Claims (1)
1. the high friction of a large corner vibration absorption and isolation support, it is characterized in that, comprise left and right two groups of laminated rubber pieces (1), base plate (2), lower seat board (3), middle seat board (4), upper base plate (5), low-friction coefficient friction pair (6), great friction coefficient friction pair (7), shear pin (8), block (9), vertical follower (10);
Upper base plate (5), middle seat board (4), lower seat board (3) have formed spherical bearing; Spherical bearing is positioned between the two groups of laminated rubber pieces in left and right (1);
Base plate (2) is connected with the substructure of bridge, and upper base plate (5) is connected with the superstructure of bridge;
The upper lower plane of two groups of laminated rubber pieces (1) is connected with upper base plate (5), base plate (2) respectively, occurred level displacement between upper base plate (5) and base plate (2), and will there is shear strain in laminated rubber piece (1), restoring force is provided; Block rubber in laminated rubber piece (1) contains some horizontal steel plates;
Block (9) is the convex body forming in upper base plate (5) bottom, is positioned at the periphery of described spherical bearing; Block (9) is for bearing horizontal force, and its design bearing capacity is larger, under what geological process in office, all can not destroy;
Shear pin (8) is also for bearing horizontal force, and its design bearing capacity is smaller, and it is upper that shear pin (8) is fixed on base plate (2) by great friction coefficient friction pair (7), and under large shake effect, shear pin (8) should be cut off;
Low-friction coefficient friction pair (6) between upper base plate (5) and middle seat board (4), and the low-friction coefficient friction pair (6) between middle seat board (4) and lower seat board (3) is for adapting to the requirement of corner; And great friction coefficient friction pair (7) between base plate (2) and lower seat board (3) is for the earthquake earthquake ability that dissipates;
Vertical follower (10) is arranged between upper base plate (5) and laminated rubber piece (1) in space, to be formed by the vertical line slideway of arranging of some covers, every cover line slideway comprises guide rail pole (11) and slide block (12), the fixed end of guide rail pole (11) is connected in upper base plate (5), slide block (12) is fixed with the horizontal steel plate of the middle upper end of laminated rubber piece (1), can slide up and down along guide rail pole (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255971.0A CN104032670B (en) | 2014-06-11 | 2014-06-11 | A kind of large corner high friction antivibration support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410255971.0A CN104032670B (en) | 2014-06-11 | 2014-06-11 | A kind of large corner high friction antivibration support |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104032670A true CN104032670A (en) | 2014-09-10 |
| CN104032670B CN104032670B (en) | 2015-11-25 |
Family
ID=51463647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410255971.0A Expired - Fee Related CN104032670B (en) | 2014-06-11 | 2014-06-11 | A kind of large corner high friction antivibration support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104032670B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831621A (en) * | 2015-05-13 | 2015-08-12 | 北京工业大学 | Guide rail type anti-drawing high-damping rubber shock insulation support |
| CN105862578A (en) * | 2016-06-07 | 2016-08-17 | 吴国庆 | Self-reset slippage and shock isolation support |
| CN107012786A (en) * | 2016-01-27 | 2017-08-04 | 株洲时代新材料科技股份有限公司 | A kind of damping friction bearing |
| CN107217587A (en) * | 2017-06-08 | 2017-09-29 | 成都市大通路桥机械有限公司 | A kind of split type Isolated Bridges bearing |
| CN112064495A (en) * | 2020-09-23 | 2020-12-11 | 刘洪江 | Damping support |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1570280A (en) * | 2004-04-29 | 2005-01-26 | 同济大学 | Ball-type lead core damped steel support stand |
| JP2008133644A (en) * | 2006-11-28 | 2008-06-12 | Kawaguchi Metal Industries Co Ltd | Fixed bearing structure for bridge |
| CN201172901Y (en) * | 2008-03-20 | 2008-12-31 | 同济大学 | High-damping rubber sphere combined support |
| CN201485785U (en) * | 2009-08-12 | 2010-05-26 | 衡水丰泽工程橡胶科技开发有限公司 | Spherical steel bearing of elastic-plastic anti-falling beam |
| CN201610518U (en) * | 2010-02-03 | 2010-10-20 | 上海英谷桥梁科技有限公司 | Friction type high-damping rubber bridge damping support |
| CN202298452U (en) * | 2011-10-31 | 2012-07-04 | 张力 | Vibration reducing, noise reducing and earthquake resisting spherical steel support |
| CN102839603A (en) * | 2012-09-26 | 2012-12-26 | 彭天波 | High-friction antivibration support and preparation method thereof |
| CN202744944U (en) * | 2012-09-26 | 2013-02-20 | 彭天波 | High-friction seismic reduction and isolation support |
-
2014
- 2014-06-11 CN CN201410255971.0A patent/CN104032670B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1570280A (en) * | 2004-04-29 | 2005-01-26 | 同济大学 | Ball-type lead core damped steel support stand |
| JP2008133644A (en) * | 2006-11-28 | 2008-06-12 | Kawaguchi Metal Industries Co Ltd | Fixed bearing structure for bridge |
| CN201172901Y (en) * | 2008-03-20 | 2008-12-31 | 同济大学 | High-damping rubber sphere combined support |
| CN201485785U (en) * | 2009-08-12 | 2010-05-26 | 衡水丰泽工程橡胶科技开发有限公司 | Spherical steel bearing of elastic-plastic anti-falling beam |
| CN201610518U (en) * | 2010-02-03 | 2010-10-20 | 上海英谷桥梁科技有限公司 | Friction type high-damping rubber bridge damping support |
| CN202298452U (en) * | 2011-10-31 | 2012-07-04 | 张力 | Vibration reducing, noise reducing and earthquake resisting spherical steel support |
| CN102839603A (en) * | 2012-09-26 | 2012-12-26 | 彭天波 | High-friction antivibration support and preparation method thereof |
| CN202744944U (en) * | 2012-09-26 | 2013-02-20 | 彭天波 | High-friction seismic reduction and isolation support |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104831621A (en) * | 2015-05-13 | 2015-08-12 | 北京工业大学 | Guide rail type anti-drawing high-damping rubber shock insulation support |
| CN104831621B (en) * | 2015-05-13 | 2017-02-22 | 北京工业大学 | Guide rail type anti-drawing high-damping rubber shock insulation support |
| CN107012786A (en) * | 2016-01-27 | 2017-08-04 | 株洲时代新材料科技股份有限公司 | A kind of damping friction bearing |
| CN105862578A (en) * | 2016-06-07 | 2016-08-17 | 吴国庆 | Self-reset slippage and shock isolation support |
| CN107217587A (en) * | 2017-06-08 | 2017-09-29 | 成都市大通路桥机械有限公司 | A kind of split type Isolated Bridges bearing |
| CN112064495A (en) * | 2020-09-23 | 2020-12-11 | 刘洪江 | Damping support |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104032670B (en) | 2015-11-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104032670B (en) | A kind of large corner high friction antivibration support | |
| CN103774551B (en) | A kind of three-dimensional isolation device | |
| CN103966946B (en) | The spring-rubber of bridge subtracts shock isolation system | |
| CN103883008B (en) | A kind of shear energy dissipation type Seismic Isolation of Isolation Layer stopping means | |
| CN203593949U (en) | Multifunctional anti-seismic beam-falling-off prevention device | |
| CN103469919B (en) | A kind of bidirectional rolling pendulum shock isolating pedestal | |
| CN206570980U (en) | A kind of vertical damping liquid damper | |
| CN102261037B (en) | Vertical elastic tension compression support | |
| CN103174229A (en) | Novel compound energy-dissipation and shock-reduction support | |
| CN102839603B (en) | Preparation method of high-friction antivibration support | |
| CN204000585U (en) | A kind of friction pendulum damping supporting seat | |
| CN202744944U (en) | High-friction seismic reduction and isolation support | |
| CN204510476U (en) | A kind of multidimensional shock mount | |
| CN203247501U (en) | Energy dissipation seismic mitigation and absorption pot bearing | |
| CN202390755U (en) | Conversion device for multifunctional quake-absorbing and isolating support | |
| CN108842920B (en) | Assembled shock isolation system | |
| CN204000588U (en) | A kind of compound support | |
| CN203878455U (en) | Seismic reduction and isolation system with springs and rubber for bridge | |
| CN205276536U (en) | Friction sinker | |
| CN205116460U (en) | Shock insulation slide support | |
| CN104196144B (en) | A kind of separate type slip tensile device of shock isolating pedestal | |
| CN203200650U (en) | V-shaped guide rail structure unidirectional support | |
| CN202055166U (en) | Vertical elastic tension-compression bearing | |
| CN203613456U (en) | Horizontal seismic force dispersing type expansion device | |
| CN202688866U (en) | Viscoelastic damping seismic isolation and reduction basin type rubber support |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151125 Termination date: 20190611 |