CN201305821Y - Omnidirectional vibration isolating bearing - Google Patents
Omnidirectional vibration isolating bearing Download PDFInfo
- Publication number
- CN201305821Y CN201305821Y CNU2008201061996U CN200820106199U CN201305821Y CN 201305821 Y CN201305821 Y CN 201305821Y CN U2008201061996 U CNU2008201061996 U CN U2008201061996U CN 200820106199 U CN200820106199 U CN 200820106199U CN 201305821 Y CN201305821 Y CN 201305821Y
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- CN
- China
- Prior art keywords
- steel plate
- main leaf
- plate main
- bluff bit
- bearing
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Abstract
The utility model relates to the technical field of bridge bearings and discloses an omnidirectional vibration isolating bearing, which is technically characterized by comprising an upper bearing plate, a laminated rubber vibration isolating cushion, a lower bearing plate and a bearing bottom basin; and a steel plate main piece, which is bent into rolled lugs at the two ends and is arc-shaped, is arranged between the lower bearing plate and the bearing bottom basin. When the earthquake happens, the horizontal acting force of the earthquake is buffered and decomposed by the upper bearing plate, the laminated rubber vibration isolating cushion and the lower bearing plate, and the longitudinal acting force of the earthquake is buffered and decomposed by the arc-shaped steel plate, thus avoiding the damage of the longitudinal acting force of the earthquake to the bridge, prolonging the service life of the bearing and the bridge and reducing the cost of bridge engineering.
Description
Technical field
The utility model belongs to the bridge pad technical field, relates in particular to a kind of comprehensive shock isolating pedestal.
Background technology
In bridge construction, need to use bridge pad tie-beam body and bridge pier, and bear vertical load.Pot rubber bearing is widely used especially owing to good performances such as having the supporting capacity height.Pot rubber bearing comprises basin at the bottom of upper bracket plate, laminated rubber shock insulation pad, lower support plate and the bearing, and according to the requirement of providing fortification against earthquakes, bridge engineering should be able to be resisted 8 degree earthquake intensity seismic forcess.Earthquake comprises on earthquake on the horizontal direction, the vertical direction on earthquake and horizontal direction and the vertical direction and mixes earthquake, as: Los Angeles earthquake in 1994, Wuding County's earthquake of nineteen ninety-five Yunnan, Turkey's earthquake in 1999, Taibei earthquake in 2002, and marine site earthquake to the east of the Soviet Union Australia of Taiwan in 2005, all produced stronger vertical earthquake motion, wherein there are some vertical acceleration peak values to surpass the horizontal acceleration peak value.Owing to reason on the structure, the neoprene bearing that uses lays particular emphasis on the prevention horizontal earthquake to structural damage at present, but can not reach the effect of the vertical vibrations of attenuating structure.Like this, will cause bridge to damage.
The utility model content
Problem to be solved in the utility model just provides and a kind ofly not only reduces and isolate the destruction power that bridge is produced because of the horizontal direction earthquake, and can reduce and isolate because of the comprehensive shock isolating pedestal of vertical direction earthquake to the destruction power of bridge generation.
For addressing the above problem, the technical scheme that a kind of comprehensive shock isolating pedestal of the utility model adopts is: comprise basin at the bottom of upper bracket plate, laminated rubber shock insulation pad, lower support plate and the bearing that is arranged in order from top to bottom, curve grasswort and be arc steel plate main leaf being provided with two ends at the bottom of described lower support plate and the bearing between the basin.
Its supplementary technology characteristic is:
Be provided with the steel plate bluff bit that a slice and this main leaf at least are superimposed in the bottom of described steel plate main leaf, described steel plate bluff bit length is less than the length of described steel plate main leaf, and described steel plate main leaf is fixedlyed connected by bindiny mechanism with described steel plate bluff bit;
Described bindiny mechanism is a connecting bolt;
Described connecting bolt to the distance at the center of two ends grasswort equates;
Basin is fixed by connecting bolt at the bottom of described steel plate main leaf and described steel plate bluff bit and the described bearing;
The steel plate bluff bit two ends adjacent with described steel plate main leaf are half grasswort, and wrap in described steel plate main leaf grasswort outside, are leaving certain interval between this steel plate main leaf and the steel plate bluff bit and between each steel plate bluff bit;
Described steel plate main leaf and steel plate bluff bit are at least two horizontal groups, and each steel plate main leaf connects by the bearing pin in the described grasswort;
Described bearing pin is provided with the grasswort position-limit mechanism that connects this bearing pin and lower support plate.
A kind of comprehensive shock isolating pedestal provided by the utility model compared with prior art, have the following advantages: one, owing to curve grasswort and be arc steel plate main leaf being provided with two ends at the bottom of described lower support plate and the bearing between the basin, when earthquake takes place when, geological process power on the horizontal direction is decomposed by buffering between upper bracket plate, laminated rubber shock insulation pad, the lower support plate, geological process power on the vertical direction is then decomposed by being arc steel plate main leaf buffering, thereby has avoided the geological process power on the vertical direction to destruction of bridge; They are two years old, owing to be provided with the steel plate bluff bit that a slice and this main leaf at least are superimposed in the bottom of described steel plate main leaf, described steel plate bluff bit length is less than the length of described steel plate main leaf, described steel plate main leaf is fixedlyed connected by bindiny mechanism with described steel plate bluff bit, has increased the intensity of steel plate main leaf; They are three years old, because basin is fixed by connecting bolt at the bottom of steel plate main leaf and steel plate bluff bit and the described bearing, except being used for connecting steel plate main leaf and each steel plate bluff bit, guarantee steel plate main leaf and steel plate bluff bit relative position, also prevented to relatively move between the basin at the bottom of steel plate main leaf and steel plate bluff bit and the bearing in assembling; They are four years old, the steel plate bluff bit two ends adjacent with described steel plate main leaf are half grasswort, and wrap in outside the described steel plate main leaf grasswort, leaving certain interval between this steel plate main leaf and the steel plate bluff bit and between each steel plate bluff bit, increase the intensity of steel plate main leaf grasswort, and the spring that makes has between each sheet and can slide relatively when distortion; Its five because described steel plate main leaf and steel plate bluff bit are at least two horizontal groups, each steel plate main leaf connects by the bearing pin in the described grasswort, increased the integrated carrying ability of bearing, under the situation of same bearing capacity, reduced the weight of bearing, reduced the cost of production of bearing; Its six because described bearing pin is provided with the grasswort position-limit mechanism that connects this bearing pin and lower support plate, the grasswort of steel plate main leaf is moved within the specific limits.
Description of drawings
Fig. 1 is the structural representation of a kind of comprehensive shock isolating pedestal of the utility model;
Fig. 2 is the comprehensive shock isolating pedestal structural representation of half grasswort for the steel plate bluff bit two ends adjacent with the steel plate main leaf;
Fig. 3 is for having the structural representation of a kind of comprehensive shock isolating pedestal of grasswort position-limit mechanism between bearing pin and the lower support plate;
Fig. 4 is the side sectional view of the horizontal a kind of comprehensive shock isolating pedestal of many group steel plate main leaves and steel plate bluff bit.
The specific embodiment
Be described in further details below in conjunction with the structure and the use principle of accompanying drawing a kind of comprehensive shock isolating pedestal of the utility model.
As shown in Figure 1, a kind of comprehensive shock isolating pedestal of the utility model comprises and is arranged in order upper bracket plate 1 from top to bottom, laminated rubber shock insulation pad 2, basin 4 at the bottom of lower support plate 3 and the bearing, be provided with the steel plate main leaf 5 that is arc at the bottom of lower support plate 3 and the bearing between the basin 4, curve grasswort 51 at the two ends of steel plate main leaf 5, like this, when earthquake takes place when, geological process power on the horizontal direction is by upper bracket plate 1, laminated rubber shock insulation pad 2, buffering is decomposed between the lower support plate 3, geological process power on the vertical direction is then decomposed by being arc steel plate main leaf 5 bufferings, thereby has avoided the geological process power on the vertical direction to destruction of bridge.
In order to increase the intensity of steel plate main leaf 5, be provided with the steel plate bluff bit 6 that is superimposed with this main leaf in the bottom of steel plate main leaf 5, the number of steel plate bluff bit 6 can be set as required, can be for a slice, more than two or two.The length of steel plate bluff bit 6 is less than the length of steel plate main leaf 5, and steel plate main leaf 5 is fixedlyed connected by connecting bolt 7 or other bindiny mechanism with steel plate bluff bit 6.Connecting bolt 7 to the distance at the center of two ends grasswort 51 equates that preferably like this, connecting bolt 7 links together steel plate main leaf 5 and each steel plate bluff bit 6, guarantees steel plate main leaf 5 and steel plate bluff bit 6 relative position in assembling.Connecting bolt 7 preferably is fixed together steel plate main leaf 5 and steel plate bluff bit 6 and basin 4 at the bottom of the bearing, has prevented to relatively move between the basin at the bottom of steel plate main leaf 5 and steel plate bluff bit 6 and the bearing.
As shown in Figure 2, in order to increase the intensity of steel plate main leaf 5, can also adopt the two ends design of steel plate bluff bit 6 that will be adjacent that half grasswort 61 is arranged with steel plate main leaf 5, wrap in grasswort 51 outsides of steel plate main leaf 5, and leaving certain interval between steel plate main leaf 5 and the steel plate bluff bit 6 and between each steel plate bluff bit 6, when steel plate main leaf 5 and steel plate bluff bit 6 stress deformations, have between each sheet and can slide relatively.
In order to have increased the integrated carrying ability of bearing, and under the situation of same bearing capacity, reduced the weight of bearing, reduced the cost of production of bearing, shown in Figure 4, steel plate main leaf 5 and steel plate bluff bit 6 are horizontal three groups, and steel plate main leaf 5 connects by the bearing pin in the grasswort 51 8; As required, steel plate main leaf 5 and steel plate bluff bit 6 are at least two horizontal groups.
In order to prevent that under vertical pressure the grasswort 51 of steel plate main leaf 5 moves very big distance along lower support plate 3, as shown in Figure 3 and Figure 4, bearing pin 8 is provided with the grasswort position-limit mechanism 9 that connects bearing pin 8 and lower support plate 3, and position-limit mechanism 9 can adopt hinge bent axle etc.
Claims (8)
1, a kind of comprehensive shock isolating pedestal, comprise basin at the bottom of upper bracket plate, laminated rubber shock insulation pad, lower support plate and the bearing that is arranged in order from top to bottom, it is characterized in that: curve grasswort and be arc steel plate main leaf being provided with two ends at the bottom of described lower support plate and the bearing between the basin.
2, a kind of comprehensive shock isolating pedestal according to claim 1, it is characterized in that: be provided with the steel plate bluff bit that a slice and this main leaf at least are superimposed in the bottom of described steel plate main leaf, described steel plate bluff bit length is less than the length of described steel plate main leaf, and described steel plate main leaf is fixedlyed connected by bindiny mechanism with described steel plate bluff bit.
3, a kind of comprehensive shock isolating pedestal according to claim 2, it is characterized in that: described bindiny mechanism is a connecting bolt.
4, a kind of comprehensive shock isolating pedestal according to claim 3 is characterized in that: described connecting bolt to the distance at the center of two ends grasswort equates.
5, a kind of comprehensive shock isolating pedestal according to claim 3 is characterized in that: basin is fixed by connecting bolt at the bottom of described steel plate main leaf and described steel plate bluff bit and the described bearing.
6, a kind of comprehensive shock isolating pedestal according to claim 2, it is characterized in that: the steel plate bluff bit two ends adjacent with described steel plate main leaf are half grasswort, and wrap in described steel plate main leaf grasswort outside, leaving certain interval between this steel plate main leaf and the steel plate bluff bit and between each steel plate bluff bit.
7, a kind of comprehensive shock isolating pedestal according to claim 2 is characterized in that: described steel plate main leaf and steel plate bluff bit are at least two horizontal groups, and each steel plate main leaf connects by the bearing pin in the described grasswort.
8, a kind of comprehensive shock isolating pedestal according to claim 7 is characterized in that: described bearing pin is provided with the grasswort position-limit mechanism that connects this bearing pin and lower support plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201061996U CN201305821Y (en) | 2008-10-16 | 2008-10-16 | Omnidirectional vibration isolating bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008201061996U CN201305821Y (en) | 2008-10-16 | 2008-10-16 | Omnidirectional vibration isolating bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201305821Y true CN201305821Y (en) | 2009-09-09 |
Family
ID=41098288
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008201061996U Expired - Fee Related CN201305821Y (en) | 2008-10-16 | 2008-10-16 | Omnidirectional vibration isolating bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201305821Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306251A (en) * | 2013-06-26 | 2013-09-18 | 中国水电顾问集团中南勘测设计研究院 | Vibration damping and energy dissipation limiting device for water diversion steel pipe bearing of hydropower station |
| CN103469896A (en) * | 2013-09-27 | 2013-12-25 | 无锡圣丰建筑新材料有限公司 | Anti-drawing shock-isolating rubber support |
| CN105714671A (en) * | 2016-03-13 | 2016-06-29 | 北京工业大学 | Combined ultra-elastic overlapping multi-bending-plate vibration reduction energy consumption device for self anchoring suspension cable bridge |
| CN111908947A (en) * | 2020-08-07 | 2020-11-10 | 河海大学 | Damping bridge support and preparation method thereof |
-
2008
- 2008-10-16 CN CNU2008201061996U patent/CN201305821Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103306251A (en) * | 2013-06-26 | 2013-09-18 | 中国水电顾问集团中南勘测设计研究院 | Vibration damping and energy dissipation limiting device for water diversion steel pipe bearing of hydropower station |
| CN103469896A (en) * | 2013-09-27 | 2013-12-25 | 无锡圣丰建筑新材料有限公司 | Anti-drawing shock-isolating rubber support |
| CN105714671A (en) * | 2016-03-13 | 2016-06-29 | 北京工业大学 | Combined ultra-elastic overlapping multi-bending-plate vibration reduction energy consumption device for self anchoring suspension cable bridge |
| CN111908947A (en) * | 2020-08-07 | 2020-11-10 | 河海大学 | Damping bridge support and preparation method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090909 Termination date: 20141016 |
|
| EXPY | Termination of patent right or utility model |