CN106337362B - Bridge vibration isolator - Google Patents
Bridge vibration isolator Download PDFInfo
- Publication number
- CN106337362B CN106337362B CN201610880571.8A CN201610880571A CN106337362B CN 106337362 B CN106337362 B CN 106337362B CN 201610880571 A CN201610880571 A CN 201610880571A CN 106337362 B CN106337362 B CN 106337362B
- Authority
- CN
- China
- Prior art keywords
- vibration
- support
- bridge
- bearing
- vibration isolator
- 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.)
- Active
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/046—Spherical bearings
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Vibration Prevention Devices (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of bridge vibration isolators, and the vibration reduction support mechanism for supporting and being used for vibration damping is formed including the bearing coordinated with bridge beam body and to bearing；Vibration reduction support mechanism includes outer sleeve, supporting sleeve and body support component, and bearing includes seat ontology and slides the body of rod, slides the first vibration-damped component that the vertically movable vibration damping to bearing is provided between the body of rod and supporting sleeve；Bearing is friction pendulum structural bearings, has the effect of preferable friction energy-dissipating, vibration reduction support mechanism is integrally formed bearing floating support, greatly reduces the transmission for coming from the vibration of bridge beam body to bridge foundation, so as to reduce the vibration of surrounding buildings；Meanwhile when bridge generates vertical displacement and bearing is squeezed, the vertical impact force that the first vibration-damped component of setting can be subject to bridge in supporting sleeve plays cushioning effect；The present invention's is compact-sized, and each section cooperates, synergistic effect, and the effect that reached above-mentioned jointly has fairly good globality.
Description
Technical field
The present invention relates to bridge decreasing vibration technique field, more particularly to a kind of bridge vibration isolator.
Background technology
At present, shock insulation, passive energy dissipation technology gradually cause the attention of countries in the world and are widely used in building structure and bridge
Girder construction.It is most common in existing isolation bridge system to have natural rubber bearing and lead core rubber support, bridge rubber bearing
Be typically mounted between bridge superstructure and bridge pier and abutment, can overall reduction seismic (seismal, mitigate seismic (seismal to bridge
The harm of girder construction has shock insulation and the dual function of energy consumption concurrently；Meanwhile they also support the weight of upper body structure, and
And also provide elastic restoring force.
But natural rubber bearing is although cheap but not apparent enough, the lead core rubber support shock insulation effect that subtracts shock insulation function
Fruit is good but more serious to the pollution of environment.Meanwhile popularizing with rail traffics such as urban light rail bridges, to urban belt
Carry out traffic convenience simultaneously, the influence of noise and vibration is also brought to light rail, underground railway track bridge neighboring buildings and resident, therefore
Higher requirement is proposed to vibration and noise reducing in the construction of city rail bridge.But existing rail traffic bridge vibration and noise reducing
Device effectiveness in vibration suppression is limited, and usually complicated, and cost is costly, it is impossible to satisfy the use demand.
Not only simple in structure therefore, it is necessary to be improved to existing bridge with vibration isolator, meeting the vibration damping of bridge needs
Will, and improve bridge horizontal rigidity.
Invention content
In view of this, the present invention provides a kind of bridge vibration isolator, not only simple in structure, meets the vibration damping of bridge and needs
Will, and improve bridge horizontal rigidity.
The bridge vibration isolator of the present invention forms including the bearing coordinated with bridge beam body and to bearing and supports and be used to subtract
The vibration reduction support mechanism shaken；
The bearing includes upper base plate, lower base and the double spherical rotation blocks being arranged between upper base plate and lower base, institute
The upper lower peripheral surface for stating double spherical rotation blocks is corresponding secondary with upper base plate and lower base formation spherical surface friction respectively；
Vibration reduction support mechanism includes outer sleeve, the supporting sleeve of vibration reduction support is formed to bearing and is arranged in outer sleeve to branch
Support set forms the body support component of floating support, and the lower base includes seat ontology and connect with seat ontology and stretch into the branch
The slip body of rod that support set is slidably matched is provided with first of the vertically movable vibration damping to bearing between the slip body of rod and supporting sleeve
Vibration-damped component.
Further, support base is formed in supporting sleeve, the first vibration-damped component is support setting with sliding the body of rod and the support
Disc spring between set.
Further, the vertical cross-section for sliding the body of rod is T-shaped structure, and including shoulder body portion and bar body portion, bar body portion is formed
Vertically movable guide part is correspondingly arranged on pilot hole in supporting sleeve, and the first vibration-damped component upper end is supported in the shoulder body portion.
Further, body support component includes being annular outer support and inner supporting body, inner supporting body and outer support
Body circumference is fixed, and supporting sleeve lower end is inserted into inner supporting body and is integrally supported on inner supporting body and sets, and supporting sleeve lower end
With the non-contact setting in outer sleeve bottom.
Further, floating space is formed between inner supporting body bottom and outer sleeve bottom, is provided in floating space internally
Supporter forms the second vibration-damped component of support.
Further, the second vibration-damped component is similarly disc spring.
Further, vibration isolator, which further includes, is set to seat body bottom portion formation of the upper and upper end to lower base at the top of outer sleeve
The third vibration-damped component of support.
Further, third vibration-damped component is shock-absorbing spring.
Further, outer support and the inner supporting body are that rubber material is made.
Further, outer sleeve bottom inside is provided with the reinforcing plate that its support strength is positioned and improved to outer support.
Beneficial effects of the present invention：The bridge vibration isolator of the present invention, bearing are friction pendulum structural bearings, are had preferable
Bearing is integrally formed floating support in the effect of friction energy-dissipating, vibration reduction support mechanism, i.e., by bearing entirety and bridge foundation (bridge pier
Or abutment) be isolated, the transmission for coming from the vibration of bridge beam body to bridge foundation is greatly reduced, so as to reduce surrounding buildings
Vibration；Meanwhile when bridge generates vertical displacement and bearing is squeezed, the first vibration-damped component set in supporting sleeve can be to bridge
The vertical impact force being subject to plays cushioning effect；In addition, the present invention is slided using the inner sleeve for sliding the body of rod and supporting sleeve of bearing
The setting of cooperation, and supporting sleeve forms floating firm support by body support component, good integrity, structure Path of Force Transfer is bright
Really, while the transverse horizontal rigidity of bridge is considerably increased；The present invention's is compact-sized, and each section cooperates, and collaboration is made
With the effect that reached above-mentioned jointly has fairly good globality.
Description of the drawings
The invention will be further described with reference to the accompanying drawings and examples.
Fig. 1 is schematic structural view of the invention.
Specific embodiment
Fig. 1 is schematic structural view of the invention, as shown in the figure：The bridge vibration isolator of the present embodiment, including with bridge beam body
The bearing of cooperation and to bearing formed support and for vibration damping vibration reduction support mechanism；
Bearing includes upper base plate 11, lower base 1 and the double spherical rotation blocks being arranged between upper base plate 11 and lower base 12
13, the upper lower peripheral surface of double spherical rotation blocks 13 is corresponding respectively to form spherical surface friction pair with upper base plate 11 and lower base 1；Double spherical surfaces turn
The upper and lower surface of motion block 13 is convex spherical, and the lower surface of upper base plate 11 and the upper surface of lower base are and double spherical rotation blocks
The lower surface of 13 matched concave sphericals, upper base plate 11 and double spherical rotation blocks 13 is equipped with wear-resisting steel plate 14, which can
The effect of good antidetonation friction energy-dissipating is played, vibration isolation, energy-dissipating and shock-absorbing function so as to fulfill Bridges on Urban Rail Transit, and can
It improves the standard rigidity；In addition, the durability that protective cover 15 is used to improve device is equipped between upper base plate 11 and lower base 1；
Vibration reduction support mechanism includes outer sleeve 2, the supporting sleeve 3 of vibration reduction support is formed to bearing 1 and is arranged in outer sleeve 2
The body support component of floating support is formed to supporting sleeve 3, the lower base 12 includes seat ontology 1-1 and connects with seat ontology 1-1
The slip body of rod 1-2 that the supporting sleeve 3 is slidably matched is met and stretched into, is provided between the slip body of rod 1-2 and supporting sleeve 3 pair
First vibration-damped component 4 of 1 vertically movable vibration damping of bearing；It is inserted into supporting sleeve 3 as shown in the figure, sliding body of rod 1-2, when bearing 1 is whole
During by vertical squeezing, slide body of rod 1-2 and moved in supporting sleeve 3 and squeeze the first vibration-damped component 4, the first vibration-damped component 4 can provide
Reaction force, so as to play cushioning effect；It is using, outer sleeve 2 of the invention is fixed on bridge foundation, and bridge foundation refers to
The basic components such as bridge pier or abutment, bearing 1 are connect with bridge beam body, while body support component forms floating branch to supporting sleeve 3
Support, so-called floating support refer to that supporting sleeve 3 is not in contact or mediate contact with bridge foundation, comes from bridge so as to reduce
Transmission of the vibration of beam body to bridge foundation, reduces the vibration of surrounding buildings.
In the present embodiment, support base 3-1 is formed in supporting sleeve 3, the first vibration-damped component 4 is support setting with sliding body of rod 1-
Disc spring between 2 and the supporting sleeve 3；Disc spring by multiple disc spring pieces offset setting is formed, can it is smaller deform bear it is larger
Load, be arranged in axial space narrow in supporting sleeve 3 and can reach requirement so that structure is compacter.
In the present embodiment, the vertical cross-section for sliding body of rod 1-2 is T-shaped structure, including shoulder body portion 1-2-1 and bar body portion 1-
2-2, bar body portion 1-2-2 form vertically movable guide part, and pilot hole 3-2, the first vibration-damped component are correspondingly arranged in supporting sleeve 3
4 upper ends are supported in shoulder body portion 1-2-1.
In the present embodiment, body support component include be annular outer support 5 and inner supporting body 6, inner supporting body 6 with
5 circumference of outer support is fixed, and 3 lower end of supporting sleeve is inserted into inner supporting body 6 and is integrally supported on inner supporting body 6 and sets, and
3 lower end of supporting sleeve and the non-contact setting in 2 bottom of outer sleeve；So-called non-contact setting refers to 3 lower end of supporting sleeve and 2 bottom of outer sleeve
Inside does not contact with each other, so as to form floating setting；The inside circumference of outer support 5 is provided with annular mounting groove, inner supporting body 6
Outside is provided with circumference fixed block 6-1, and circumference fixed block forms installation by adhering with annular mounting groove, and 3 outside of supporting sleeve is formed
There is shaft shoulder 3-3, the shaft shoulder directly falls within and forms location and installation on the upper surface of inner supporting body 6.
In the present embodiment, floating space 7 is formed between 2 bottom of 6 bottom of inner supporting body and outer sleeve, is set in floating space 7
It is equipped with the second vibration-damped component 8 that pair of interior support body 6 forms support；I.e. in vertical pressure of the supporting sleeve 3 by bearing 1, indirectly
It can continue buffering attenuation by the second vibration-damped component 8, there is preferable work uniformity, and compact-sized, be not take up space.
In the present embodiment, the second vibration-damped component 8 is similarly disc spring；Equally, the disc spring of the second vibration-damped component 8 is also by multiple disc springs
Piece offsets to set and be formed, and smaller can deform and bear larger load, be arranged in floating space 7 and can reach requirement, make
It is compacter to obtain structure.
In the present embodiment, vibration isolator, which further includes, is set to the upper simultaneously upper end in 2 top of outer sleeve to the seat ontology 1-1 of lower base 12
The third vibration-damped component 9 of support is formed on bottom；Third vibration-damped component 9 is shock-absorbing spring；Damping spring jacket dust tube is set in supporting sleeve 3, into
One step improves effectiveness in vibration suppression, can act synergistically with the first vibration-damped component 4.
In the present embodiment, outer support 5 and the inner supporting body 6 are that rubber material is made；That is outer support 5 and Nei Zhi
Support body 6 is rubber bodies, can will come between bridge vibration of beam and bridge foundation and keep apart.
In the present embodiment, 2 bottom inside of outer sleeve is provided with the reinforcement that its support strength is positioned and improved to outer support 5
Plate 10；Reinforcing plate is annular harden structure, and reinforcing plate insertion outer support is set in 5 bottom.
Finally illustrate, the above embodiments are merely illustrative of the technical solutions of the present invention and it is unrestricted, although with reference to compared with
The present invention is described in detail in good embodiment, it will be understood by those of ordinary skill in the art that, it can be to the skill of the present invention
Art scheme is modified or replaced equivalently, and without departing from the objective and range of technical solution of the present invention, should all be covered at this
In the right of invention.
Claims (9)
1. a kind of bridge vibration isolator, it is characterised in that：Support is formed including the bearing coordinated with bridge beam body and to bearing simultaneously
For the vibration reduction support mechanism of vibration damping；
The bearing includes upper base plate, lower base and the double spherical rotation blocks being arranged between upper base plate and lower base, described double
The upper lower peripheral surface of spherical rotation block is corresponding respectively to form spherical surface friction pair with upper base plate and lower base；
The vibration reduction support mechanism includes outer sleeve, the supporting sleeve of vibration reduction support is formed to bearing and is arranged in outer sleeve to branch
Support set forms the body support component of floating support, and the lower base includes seat ontology and connect with seat ontology and stretch into the branch
The slip body of rod that support set is slidably matched is provided with first of the vertically movable vibration damping to bearing between the slip body of rod and supporting sleeve
Vibration-damped component；
The body support component includes being annular outer support and inner supporting body, and the inner supporting body is justified with outer support
Week is fixed, and the supporting sleeve lower end is inserted into inner supporting body and is integrally supported on inner supporting body and sets, and supporting sleeve lower end
With the non-contact setting in outer sleeve bottom.
2. bridge vibration isolator according to claim 1, it is characterised in that：Support base, institute are formed in the supporting sleeve
The first vibration-damped component is stated to be support setting and slide the disc spring between the body of rod and the supporting sleeve.
3. bridge vibration isolator according to claim 2, it is characterised in that：The vertical cross-section for sliding the body of rod is T shapes
Structure, including shoulder body portion and bar body portion, the bar body portion forms vertically movable guide part, and correspondence is set in the supporting sleeve
Pilot hole is equipped with, the first vibration-damped component upper end is supported in the shoulder body portion.
4. bridge vibration isolator according to claim 1, it is characterised in that：The inner supporting body bottom and outer sleeve bottom
Between form floating space, be provided in the floating space pair of interior support body formed support the second vibration-damped component.
5. bridge vibration isolator according to claim 4, it is characterised in that：Second vibration-damped component is similarly disc spring.
6. bridge vibration isolator according to claim 5, it is characterised in that：The vibration isolator, which further includes, is set to outer sleeve
On top and upper end forms the seat body bottom portion of lower base the third vibration-damped component of support.
7. bridge vibration isolator according to claim 6, it is characterised in that：The third vibration-damped component is shock-absorbing spring.
8. bridge vibration isolator according to claim 7, it is characterised in that：The outer support and the inner supporting body are equal
It is made of rubber material.
9. bridge vibration isolator according to claim 8, it is characterised in that：The outer sleeve bottom inside is provided with externally
Supporter positions and improves the reinforcing plate of its support strength.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880571.8A CN106337362B (en) | 2016-10-09 | 2016-10-09 | Bridge vibration isolator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610880571.8A CN106337362B (en) | 2016-10-09 | 2016-10-09 | Bridge vibration isolator |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106337362A CN106337362A (en) | 2017-01-18 |
| CN106337362B true CN106337362B (en) | 2018-06-26 |
Family
ID=57839182
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610880571.8A Active CN106337362B (en) | 2016-10-09 | 2016-10-09 | Bridge vibration isolator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106337362B (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106836929B (en) * | 2017-02-23 | 2022-08-26 | 同济大学 | Tensile limiting device for shock insulation layer of friction pendulum support |
| DE102017208215A1 (en) * | 2017-05-16 | 2018-11-22 | Maurer Söhne Engineering GmbH & Co. KG | Building warehouse and building with such a building warehouse |
| CN107151978B (en) * | 2017-06-08 | 2023-04-28 | 重庆工商职业学院 | Bridge vibration reduction support |
| CN108487292B (en) * | 2018-03-26 | 2019-06-11 | 常熟市鑫达橡胶制品有限公司 | A kind of bridge girder anti-seismic bearing |
| CN108677699A (en) * | 2018-06-29 | 2018-10-19 | 浙江秦山橡胶工程股份有限公司 | A kind of damping ball shaped steel bearing |
| CN110983960B (en) * | 2019-11-26 | 2021-06-22 | 重庆工商职业学院 | Support for track bridge |
| CN112523070B (en) * | 2020-12-16 | 2022-05-27 | 重庆交通大学 | Public road bridge roof beam stop device that falls is prevented to bridge |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202039470U (en) * | 2011-04-24 | 2011-11-16 | 广州大学 | Three-dimensional shock isolating and absorbing device |
| CN102409777A (en) * | 2011-09-30 | 2012-04-11 | 福州大学 | Structural three-dimensional shock isolation and anti-overturning device |
| CN202247549U (en) * | 2011-09-20 | 2012-05-30 | 成都市新筑路桥机械股份有限公司 | Combined type vibration isolating device for rail transit |
| CN103195168A (en) * | 2013-03-26 | 2013-07-10 | 东南大学 | Composite three-dimensional shock isolation support of sandwich rubber-high damping disc spring |
| CN105887668A (en) * | 2016-05-31 | 2016-08-24 | 山东省交通规划设计院 | Bridge shock reduction and isolation supporting base and cable-stayed bridge and suspension bridge supporting structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101407949B1 (en) * | 2013-08-29 | 2014-07-02 | 조영숙 | Apparatus for buffering smart earthquake resistant |
-
2016
- 2016-10-09 CN CN201610880571.8A patent/CN106337362B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202039470U (en) * | 2011-04-24 | 2011-11-16 | 广州大学 | Three-dimensional shock isolating and absorbing device |
| CN202247549U (en) * | 2011-09-20 | 2012-05-30 | 成都市新筑路桥机械股份有限公司 | Combined type vibration isolating device for rail transit |
| CN102409777A (en) * | 2011-09-30 | 2012-04-11 | 福州大学 | Structural three-dimensional shock isolation and anti-overturning device |
| CN103195168A (en) * | 2013-03-26 | 2013-07-10 | 东南大学 | Composite three-dimensional shock isolation support of sandwich rubber-high damping disc spring |
| CN105887668A (en) * | 2016-05-31 | 2016-08-24 | 山东省交通规划设计院 | Bridge shock reduction and isolation supporting base and cable-stayed bridge and suspension bridge supporting structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106337362A (en) | 2017-01-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106337362B (en) | Bridge vibration isolator | |
| WO2019075959A1 (en) | Three-dimensional shock/vibration isolation support with self-adaptive stiffness characteristic | |
| CN106936080B (en) | A kind of electrical control equipment cabinet with shock-absorbing function | |
| CN203729160U (en) | Vibration attenuation composite spring absorber assembly for floating slab tracks | |
| CN104727456B (en) | A kind of three-dimensional shock-absorption quality tuned damper | |
| CN210799864U (en) | Mining machinery vibration damping mount | |
| CN202298447U (en) | Micro particle damping support | |
| KR101503484B1 (en) | Earthquake isolation device having anti-bridge and tensile reinforcing | |
| KR20110019587A (en) | Damper separting type seismic isolation device lead | |
| KR20090033686A (en) | Damper of protection against vibration | |
| CN104652259B (en) | A kind of damping spring pot bearing | |
| CN213359001U (en) | Building shock isolation device | |
| CN101565921A (en) | Floating slab roadbed steel spring and rubber composite vibration isolator | |
| CN106284057B (en) | Rail traffic bridge vibration absorber | |
| CN106012819A (en) | Lead core-rubber-butterfly spring combined type damping support base | |
| CN203487451U (en) | Horizontal elastic damping system of large-span bridge | |
| CN101718077B (en) | Bridge girder anti-seismic bearing | |
| CN108589513B (en) | Damping counterweight system for bridge and working method thereof | |
| CN204529027U (en) | A kind of lift car with guiding cushioning effect | |
| KR20010074179A (en) | Multi-directional Seismic Isolation Devices | |
| CN108532450B (en) | A kind of continuous bridge preloaded spring temporary consolidation device | |
| CN106369104A (en) | Damping base | |
| CN103485276A (en) | Horizontal elastic damping system of long-span bridge | |
| CN208167509U (en) | A kind of damping energy consumption spherical bearing with girder falling function | |
| CN110396922A (en) | A kind of support of the large-span continuous beam with earthquake isolating equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: No. 1, Fuxing Avenue, Shuang Fu new area, Jiangjin District, Chongqing Applicant after: chongqing jiaotong university Address before: 400074 Chongqing Nan'an District University Avenue, No. 66 Applicant before: chongqing jiaotong university |
|
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Zhao Ningyu Inventor after: Xie Yuanguang Inventor after: Jiang Haifei Inventor after: Li Jie Inventor after: Zhang Junbo Inventor before: Xie Yuanguang Inventor before: Jiang Haifei Inventor before: Li Jie Inventor before: Zhao Ningyu Inventor before: Zhang Junbo |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |