CN201212127Y - Antivibration support abutment for energy dissipating type bridge - Google Patents
Antivibration support abutment for energy dissipating type bridge Download PDFInfo
- Publication number
- CN201212127Y CN201212127Y CNU2008200776084U CN200820077608U CN201212127Y CN 201212127 Y CN201212127 Y CN 201212127Y CN U2008200776084 U CNU2008200776084 U CN U2008200776084U CN 200820077608 U CN200820077608 U CN 200820077608U CN 201212127 Y CN201212127 Y CN 201212127Y
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- convex surface
- seat board
- energy dissipation
- type bridge
- bridge girder
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Abstract
The utility model belongs to the technical field of a support seat, and discloses an energy dissipation bridge earthquake resistance support seat which is mainly technically characterized in that an upper seat plate, a middle seat plate and a lower seat plate are included, the lower part of the middle seat plate is provided with a spherical crown type lower convex surface, the upper part of the lower seat plate is provided with a lower concave surface which is matched with the lower convex surface, the upper part of the middle seat plate is provided with an upper convex surface, and the lower part of the upper seat plate is provided with an upper concave surface which is matched with the upper convex surface. The energy dissipation bridge earthquake resistance support seat can convert a part of kinetic energy into potential energy when conditions such as earthquakes, and the like occur to counteract a part of earthquake energy, thereby the earthquake resistance effect is favorable. The upper convex surface and the upper concave surface have a certain restoring force after the earthquakes, and therefore, the utility model can ensure the normal use of the support seat.
Description
Technical field
The utility model belongs to the bearing technical field, relates in particular to a kind of energy dissipation type bridge girder anti-seismic bearing.
Background technology
In the design and construction of bridge and other building, bearing need be set carry out pressure-bearing and transmit horizontal force.The spherical bearing of current use, its structure comprises upper base plate, middle seat board and following seat board, middle seat board bottom is provided with convex surface under the ball crown type, top is the plane, following seat board top is provided with the concave surface that is complementary with following convex surface, the upper base plate bottom is the plane, is respectively arranged with the friction pair that stainless steel slide plate and tetrafluoro slide plate constitute between upper base plate, following seat board and middle seat board.Though this bearing can consume part energy, plane contact between upper base plate and middle seat board lacks restoring force, and the friction pair friction factor of stainless steel slide plate and tetrafluoro slide plate formation is bigger, and is seamless between antidetonation block piece and following seat board, influences anti seismic efficiency.
The utility model content
Problem to be solved in the utility model just provides a kind of have certain restoring force, the friction pair friction factor is little, anti seismic efficiency is good energy dissipation type bridge girder anti-seismic bearing.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: comprise upper base plate, middle seat board and following seat board, middle seat board bottom is provided with convex surface under the ball crown type, following seat board top is provided with the concave surface that is complementary with following convex surface, the top of seat board is provided with convex surface in described, and the upper base plate bottom is provided with the upper recess surface that is complementary with last convex surface.
Its additional technical feature is: described upward convex surface is a ball crown type; Described upward convex surface is symmetrical with following convex surface; Described upward convex surface is that cross section is the cylinder of bow type; Be inlaid with metal-base composites or ultra high molecular weight polyethylene wear-resistant slide plate in described upper recess surface, the concave surface, be coated with hard chromium layers on last convex surface, the following convex surface; Described upper base plate bottom is connected with the antidetonation block piece by shearing bolt; Described antidetonation block piece is away from following seat board.
A kind of energy dissipation type bridge girder anti-seismic bearing provided by the utility model, compared with prior art, the top of middle seat board is set to ball crown type or cross section is the last convex surface of the cylinder of bow type, when taking place, situations such as earthquake a part of kinetic energy can be converted into potential energy, offset part energy, make anti seismic efficiency very good, and the shake back goes up convex surface and upper recess surface has certain restoring force, can guarantee that bearing normally uses.Be inlaid with metal-base composites or ultra high molecular weight polyethylene wear-resistant slide plate in upper recess surface, the concave surface, be coated with hard chromium layers on last convex surface, the following convex surface, the friction pair friction factor that wear-resisting slide plate and hard chromium layers constitute is less, and is more favourable to the bearing antidetonation.And be provided with away from the antidetonation block piece of seat board down, make that then adapting to the beam body under the bearing normal condition rotates and go slick, and just cuts off shearing bolt when reaching certain earthquake magnitude.
Description of drawings
Fig. 1 is a kind of structural representation of a kind of energy dissipation type bridge girder anti-seismic bearing of the utility model;
Fig. 2 is a kind of another kind of structural representation of energy dissipation type bridge girder anti-seismic bearing;
Fig. 3 is a kind of structural representation of middle seat board.
The specific embodiment
Be described in further details below in conjunction with the structure and the principle of accompanying drawing a kind of energy dissipation type bridge girder anti-seismic bearing provided by the utility model.
As shown in Figure 1, a kind of energy dissipation type bridge girder anti-seismic bearing provided by the utility model comprises upper base plate 1, middle seat board 2 and following seat board 3, upper base plate 1 bottom is connected with away from the ring-like antidetonation block piece 5 that descends seat board 3 by shearing bolt 4, on the middle seat board 2, the bottom is provided with convex surface 6 on the ball crown type, following convex surface 7, upper base plate 1 bottom is provided with the upper recess surface 8 that is complementary with last convex surface 6, following seat board 3 tops are provided with the concave surface 9 that is complementary with following convex surface 7, upper recess surface 8, be inlaid with metal-base composites or ultra high molecular weight polyethylene wear-resistant slide plate 10 in the concave surface 9, last convex surface 6, be coated with hard chromium layers 11 on the following convex surface 7.
As shown in Figure 2, the energy dissipation type bridge girder anti-seismic bearing comprises upper base plate 1, middle seat board 2 and following seat board 3, upper base plate 1 bottom is connected with away from the stripe shape antidetonation block piece 5 that descends seat board 3 by shearing bolt 4, on the middle seat board 2, the bottom is provided with the last convex surface 6 that cross section is a bow type cylinder, convex surface 7 under the ball crown type, upper base plate 1 bottom is provided with the upper recess surface 8 that is complementary with last convex surface 6, following seat board 3 tops are provided with the concave surface 9 that is complementary with following convex surface 7, upper recess surface 8, be inlaid with metal-base composites or ultra high molecular weight polyethylene wear-resistant slide plate 10 in the concave surface 9, last convex surface 6, be coated with hard chromium layers 11 on the following convex surface 7, antidetonation block piece 5 is for being parallel to two of convex surface 6 axis directions.
As shown in Figure 3, the last convex surface 6 of middle seat board 2 is the cylinder of bow type for cross section, and following convex surface 7 is a ball crown type, the path length of last convex surface 6 can be as shown in Figure 3 less than the path length of convex surface 7 down, also can be greater than the path length of convex surface 7 down.
In the use,,, use the bearing of Fig. 2 structure at the monodisplacement place at the bearing of non-displacement fixed end use Fig. 1 structure according to different needs.Last convex surface 6, upper recess surface 8 can be converted into potential energy with a part of kinetic energy when situations such as earthquake take place, offset a part of earthquake energy, make that the bearing anti seismic efficiency is very good, and the shake back goes up convex surface 6 and upper recess surface 8 has automatic restoring force, guarantee that bearing normally uses.The friction pair friction factor that wear-resisting slide plate 10 and hard chromium layers 11 constitute is less, and is more favourable to the bearing antidetonation.And antidetonation block piece 5 is away from following seat board 3, makes that then adapting to the beam body under the bearing normal condition rotates and go slick, and just cuts off shearing bolt when reaching certain earthquake magnitude.
A kind of energy dissipation type bridge girder anti-seismic bearing provided by the utility model is not limited only to the said structure form, all right upper recess surface 8, following convex surface 7 embedded with metal based composites or ultra high molecular weight polyethylene wear-resistant slide plate 10, last convex surface 6, concave surface 9 hard chrome plating layers 11.Or last convex surface 6, concave surface 9 embedded with metal based composites or ultra high molecular weight polyethylene wear-resistant slide plate 10, upper recess surface 8, following convex surface 7 hard chrome plating layers 11.Or upward convex surface 6, following convex surface 7 are inlaid with metal-base composites or ultra high molecular weight polyethylene wear-resistant slide plate 10, upper recess surface 8, concave surface 9 hard chrome plating layers 11.Last convex surface 6 can also be the convex surface of other structures.Also can in the top of seat board 2 be the ball crown type convex surface, the bottom is that cross section is the convex surface of bow type cylinder.
Claims (7)
1, a kind of energy dissipation type bridge girder anti-seismic bearing, comprise upper base plate, middle seat board and following seat board, middle seat board bottom is provided with convex surface under the ball crown type, following seat board top is provided with the concave surface that is complementary with following convex surface, it is characterized in that: the top of seat board is provided with convex surface in described, and the upper base plate bottom is provided with the upper recess surface that is complementary with last convex surface.
2, a kind of energy dissipation type bridge girder anti-seismic bearing according to claim 1 is characterized in that: described upward convex surface is a ball crown type.
3, a kind of energy dissipation type bridge girder anti-seismic bearing according to claim 2 is characterized in that: described upward convex surface is symmetrical with following convex surface.
4, a kind of energy dissipation type bridge girder anti-seismic bearing according to claim 1 is characterized in that: described upward convex surface is that cross section is the cylinder of bow type.
5, a kind of energy dissipation type bridge girder anti-seismic bearing according to claim 1 is characterized in that: be inlaid with metal-base composites or ultra high molecular weight polyethylene wear-resistant slide plate in described upper recess surface, the concave surface, be coated with hard chromium layers on last convex surface, the following convex surface.
6, a kind of energy dissipation type bridge girder anti-seismic bearing according to claim 1, it is characterized in that: described upper base plate bottom is connected with the antidetonation block piece by shearing bolt.
7, a kind of energy dissipation type bridge girder anti-seismic bearing according to claim 6 is characterized in that: described antidetonation block piece is away from following seat board.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200776084U CN201212127Y (en) | 2008-06-18 | 2008-06-18 | Antivibration support abutment for energy dissipating type bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200776084U CN201212127Y (en) | 2008-06-18 | 2008-06-18 | Antivibration support abutment for energy dissipating type bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201212127Y true CN201212127Y (en) | 2009-03-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200776084U Expired - Fee Related CN201212127Y (en) | 2008-06-18 | 2008-06-18 | Antivibration support abutment for energy dissipating type bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201212127Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337725A (en) * | 2011-08-09 | 2012-02-01 | 成都市新筑路桥机械股份有限公司 | Friction pendulum type shock absorption and isolation support seat |
| CN104074132A (en) * | 2014-07-16 | 2014-10-01 | 衡水健达工程橡胶有限公司 | Tensile spherical support |
| CN104088368A (en) * | 2014-06-10 | 2014-10-08 | 成都新筑展博环保科技有限公司 | Damping and shock insulating bidirectional spherical support |
| CN104088223A (en) * | 2014-06-10 | 2014-10-08 | 成都新筑展博环保科技有限公司 | Damping and seismic insulation spherical bearing |
| CN104088222A (en) * | 2014-06-10 | 2014-10-08 | 成都新筑展博环保科技有限公司 | Damping and shock insulating spherical fixing support |
| CN105317115A (en) * | 2014-08-04 | 2016-02-10 | 杨丰旗 | Anti-abrasion and compression-resisting coating |
-
2008
- 2008-06-18 CN CNU2008200776084U patent/CN201212127Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102337725A (en) * | 2011-08-09 | 2012-02-01 | 成都市新筑路桥机械股份有限公司 | Friction pendulum type shock absorption and isolation support seat |
| CN104088368A (en) * | 2014-06-10 | 2014-10-08 | 成都新筑展博环保科技有限公司 | Damping and shock insulating bidirectional spherical support |
| CN104088223A (en) * | 2014-06-10 | 2014-10-08 | 成都新筑展博环保科技有限公司 | Damping and seismic insulation spherical bearing |
| CN104088222A (en) * | 2014-06-10 | 2014-10-08 | 成都新筑展博环保科技有限公司 | Damping and shock insulating spherical fixing support |
| CN104074132A (en) * | 2014-07-16 | 2014-10-01 | 衡水健达工程橡胶有限公司 | Tensile spherical support |
| CN104074132B (en) * | 2014-07-16 | 2016-06-22 | 衡水健达工程橡胶有限公司 | A kind of Anti-pull ball shape support base |
| CN105317115A (en) * | 2014-08-04 | 2016-02-10 | 杨丰旗 | Anti-abrasion and compression-resisting coating |
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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: 20090325 Termination date: 20160618 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |