CN214573294U - Three-dimensional anisotropic metal damping seismic mitigation and isolation support - Google Patents
Three-dimensional anisotropic metal damping seismic mitigation and isolation support Download PDFInfo
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- CN214573294U CN214573294U CN202023124709.2U CN202023124709U CN214573294U CN 214573294 U CN214573294 U CN 214573294U CN 202023124709 U CN202023124709 U CN 202023124709U CN 214573294 U CN214573294 U CN 214573294U
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Abstract
The utility model discloses a three-way opposite-sex metal damping seismic isolation and reduction support, which comprises a support body, wherein the support body is respectively provided with a first metal damper along the two transverse ends and a second metal damper along the two longitudinal ends; the first metal damper comprises a first metal damping unit, and two ends of the first metal damping unit are respectively connected with the upper support plate and the lower support plate; the second metal damper comprises a second metal damping unit, and two ends of the second metal damping unit are respectively connected with the upper support plate and the lower support plate. First metal damping unit is used for cuting along the horizontal deformation consumption of support, and second metal damping unit is used for cuting along the fore-and-aft deformation consumption of support, and first metal damping unit and second metal damping unit all are vertical arc structure, can both be used for cuting the ascending deformation consumption of vertical side, and this shock mount can be in horizontal, vertical and vertical shearing deformation consumption, compact structure is simple, simple to operate.
Description
Technical Field
The utility model relates to a attenuator design construction field, especially a three-dimensional opposite sex metal damping subtracts isolation bearing.
Background
China is a country with frequent earthquakes, and is provided with a plurality of earthquake zones, and the earthquake zones are mostly in severe environments such as high cold and high altitude, and the like, such as Tibet, Sichuan, Yunnan and the like. Therefore, whether a railway bridge or a highway bridge, the shock resistance is one of the important factors to be considered when designing the bridge. The seismic isolation design method is an effective method for seismic design of bridges. The method can effectively improve the fortification level of the bridge, reduce the construction cost and reduce the maintenance cost after the earthquake.
In the prior art, the shock insulation design is adopted to ensure that the whole bridge system becomes flexible, increase the vibration period of the bridge and reduce the energy input into the bridge system by ground motion. The shock absorption design is adopted to dissipate seismic energy, so that the response of acceleration and displacement of the whole bridge system is reduced.
In the prior art, shock insulation and shock absorption are combined, namely a shock absorption and isolation design; if the friction pendulum support is matched with the viscous damper for use, the friction pendulum support plays a role in shock insulation, and the damper plays a role in shock absorption, but the friction pendulum support and the viscous damper are very complex in structure and installation and high in cost when matched for use, and the problem of vertical tensile resistance cannot be solved;
the support is in the same place with the attenuator is compound to play and subtracts the isolation and isolation effect in addition, subtracts the isolation and isolation support like C shaped steel or E shaped steel damping, but C shaped steel or E shaped steel damping subtracts the isolation and isolation support size great, and the installation is inconvenient, can't accomplish simultaneously that the horizontal bridge is to, along with the bridge to damping parameter difference and can't realize the problem of vertical tensile.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a: to the shock mount structure that prior art exists complicated, can't realize the problem of vertical tensile, provide a three-dimensional opposite sex metal damping subtracts isolation bearing.
In order to realize the purpose, the utility model discloses a technical scheme be:
a three-way anisotropic metal damping seismic mitigation and isolation support comprises a support body, wherein the support body comprises an upper support plate and a lower support plate, first metal dampers are respectively arranged at two ends of the support body along the transverse direction of the support body, and second metal dampers are respectively arranged at two ends of the support body along the longitudinal direction of the support body;
the first metal damper comprises a first metal damping unit, the first metal damping unit is of a vertical arc-shaped structure and is used for shearing deformation consumption along the transverse direction of the support, the upper end of the first metal damping unit is connected with the upper support plate, and the lower end of the first metal damping unit is connected with the lower support plate;
the second metal damper comprises a second metal damping unit, the second metal damping unit is of a vertical arc-shaped structure and is used for shearing deformation consumption along the longitudinal direction of the support, the upper end of the second metal damping unit is connected with the upper support plate, and the lower end of the second metal damper is connected with the lower support plate.
A three-way opposite-sex metal damping seismic isolation and reduction support is characterized in that a first metal damper and a second metal damper are arranged on the support through the structure, a first metal damping unit of the first metal damper is used for shearing deformation consumption along the transverse direction of the support, a second metal damping unit of the second metal damper is used for shearing deformation consumption along the longitudinal direction of the support, and the first metal damping unit and the second metal damping unit are both in vertical arc structures and can be used for shearing deformation consumption in the vertical direction; the damping support can be used for shearing deformation consumption in the transverse direction, the longitudinal direction and the vertical direction, and is compact and simple in structure and convenient to install.
As a preferable scheme of the present invention, the first metal damping unit is provided with a first C-shaped portion, and the first C-shaped portion is transversely opened along the support body;
and/or the presence of a gas in the gas,
and a second C-shaped part is arranged on the second metal damping unit and is opened along the longitudinal direction of the support body.
As a preferable scheme of the present invention, one end of the first metal damping unit close to the upper support plate is in sliding fit with the upper support plate along the transverse direction of the support body;
and/or the presence of a gas in the gas,
one end of the second metal damping unit close to the upper support plate is in sliding fit with the upper support plate along the longitudinal direction of the support body.
As the preferred scheme of the utility model, be equipped with the spout on the upper bracket board, first metal damping unit with the one end of second metal damping unit is located respectively in the spout of upper bracket board, and with upper bracket board slidable ground is connected.
As the preferable scheme of the utility model, the spout includes dovetail or T type groove.
As the utility model discloses an optimal scheme, the support body still includes plane slide, spherical crown welt and sphere slide, plane slide top with the laminating of upper bracket board, just embedding in plane slide bottom in the spherical crown welt, sphere slide top with the laminating of spherical crown welt bottom, embedding in sphere slide bottom in the bottom seat board.
As the utility model discloses an optimal scheme, the upper bracket board with all be equipped with anchor bolt on the bottom suspension bedplate, the upper bracket board is used for passing through with the upper portion roof beam body anchor bolted connection, the bottom suspension bedplate is used for passing through with pier pad stone or pre-buried steel sheet anchor bolted connection.
As the preferred embodiment of the present invention, the number of the first metal damping units is at least two, all of the ends of the first metal damping units are integrally formed.
As the preferred scheme of the utility model, the quantity of second metal damping unit is a plurality of, the tip integrated into one piece of all second metal damping units
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. a three-way opposite-sex metal damping seismic isolation and reduction support is characterized in that a first metal damper and a second metal damper are arranged on the support through the structure, a first metal damping unit of the first metal damper is used for shearing deformation consumption along the transverse direction of the support, a second metal damping unit of the second metal damper is used for shearing deformation consumption along the longitudinal direction of the support, and the first metal damping unit and the second metal damping unit are both in vertical arc structures and can be used for shearing deformation consumption in the vertical direction; the damping support can be used for shearing deformation consumption in the transverse direction, the longitudinal direction and the vertical direction, and is compact and simple in structure and convenient to install.
Drawings
FIG. 1 is a semi-sectional view of a three-dimensional anisotropic metal damping seismic isolation bearing.
FIG. 2 is a plan view of a three-dimensional anisotropic metal damping seismic isolation bearing without an upper bearing plate.
Fig. 3 is a schematic structural diagram of the sliding chute of the present invention in a dovetail groove form.
Icon: 1-an upper support plate; 2-a plane sliding plate; 3-spherical cap lining board; 4-spherical sliding plate; 5-a first metal damper; 51-a first metallic damping unit; 6-anchor bolt; 7-a lower support plate; 8-a second metal damper; 82-second metal damping unit.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.
Examples
As shown in fig. 1 to 3, the embodiment provides a three-way anisotropic metal damping seismic isolation and reduction support, which includes a support body, a first metal damper 5 and a second metal damper 8;
the support body comprises an upper support plate 1, a plane sliding plate 2, a spherical crown lining plate 3, a spherical sliding plate 4 and a lower support plate 7;
the upper support plate 1 is used for being connected with an upper bridge body of a bridge, the lower support plate 7 is used for being connected with an abutment stone pad or an embedded steel plate, specifically, anchor bolts 6 are arranged on the upper support plate 1 and the lower support plate 7, the upper support plate 1 is used for being connected with the upper bridge body of the bridge through the anchor bolts 6, and the lower support plate 7 is used for being connected with the abutment stone pad or the embedded steel plate through the anchor bolts 6;
the plane sliding plate 2, the spherical crown lining plate 3 and the spherical sliding plate 4 are positioned between the upper support plate 1 and the lower support plate 7, the plane sliding plate 2 is attached to the upper support plate 1 and embedded into the spherical crown lining plate 3, the top of the spherical sliding plate 4 is attached to the bottom of the spherical crown lining plate 3, the spherical sliding plate 4 is embedded into the lower support plate 7, the plane sliding plate 2 and the upper support plate 1 form a sliding pair, and the spherical sliding plate 4 and the spherical crown lining plate 3 form a rotating pair;
the support body is respectively provided with a first metal damping unit 5 along the two transverse ends of the support body, the first metal damper 5 comprises a first metal damping unit 51, the first metal damping unit 51 is of a vertical arc-shaped structure, the upper end of the first metal damping unit 51 is connected with the upper support plate 1, the lower end of the first metal damping unit 51 is connected with the lower support plate 7, and the first metal damping unit 51 is used for shearing the deformation consumption along the transverse direction of the support;
the first metal damping unit 51 is provided with a first C-shaped part which is transversely opened along the support body;
the number of the first metal damping units 51 is several, and the end parts of the several first metal damping units 51 are integrally formed and have a comb-shaped structure;
one end of the first metal damping unit 51 close to the upper support plate 1 is in sliding fit with the upper support plate 1 along the transverse direction of the support body;
the two ends of the support body along the longitudinal direction of the support body are respectively provided with a second metal damper 8, each second metal damper 8 comprises a second metal damping unit 81, each second metal damping unit 81 is of a vertical arc-shaped structure, the upper end of each second metal damping unit 81 is connected with the upper support plate 1, the lower end of each second metal damping unit 81 is connected with the lower support plate 7, and each second metal damping unit 81 is used for shearing the deformation consumption along the longitudinal direction of the support;
a second C-shaped part is arranged on the second metal damping unit 81, and the second C-shaped part is opened along the longitudinal direction of the support body;
the number of the second metal damping units 81 is several, and the end parts of the several second metal damping units 81 are integrally formed and have a comb-shaped structure;
one end of the second metal damping unit 81 close to the upper support plate 1 is in sliding fit with the upper support plate 1 along the longitudinal direction of the support body;
a sliding groove is formed in the upper support plate 1, and one ends of the first metal damping unit 51 and the second metal damping unit 81 are positioned in the sliding groove and are connected with the upper support plate 1 in a sliding manner;
specifically, the sliding groove comprises a dovetail groove or a T-shaped groove.
The utility model provides a pair of three-dimensional opposite sex metal damping subtracts isolation bearing's beneficial effect lies in:
the upper support plate 1, the plane sliding plate 2, the spherical crown lining plate 3, the spherical sliding plate 4 and the lower support plate 7 form a spherical support or a friction pendulum spherical support, and the spherical support is used for bearing the vertical pressure bearing function, the displacement function and the rotation function of the support;
when the temperature is shifted normally (in the X direction), the comb-shaped structures of the first metal damping unit 51 and the second metal damping unit 81 can ensure that the first metal damper 5 is not deformed; meanwhile, the second metal damper 8 slides with the sliding groove of the upper support plate 1, so that the second metal damper 8 is ensured not to generate shearing deformation;
when earthquake happens in the transverse direction (X direction), the first metal damper 5 deforms to provide damping and consume earthquake energy; meanwhile, the second metal damper 8 slides with the sliding groove of the upper support plate 1, so that the second metal damper 8 is ensured not to generate shearing deformation; similarly, when the earthquake occurs in the longitudinal direction, the second metal damper 8 deforms to provide damping and consume earthquake energy; meanwhile, the first metal damper 5 slides with the sliding groove of the upper support plate 1, so that the first metal damper 5 is ensured not to generate shearing deformation;
when earthquake happens in any direction, earthquake force can be decomposed into transverse direction and longitudinal direction, the first metal damper 5 and the second metal damper 8 not only have shearing deformation to provide damping force, but also have sliding grooves to slide;
when a vertical earthquake occurs, the first metal damper 5 and the second metal damper 8 can resist tensile energy consumption at the same time;
the support is provided with a first metal damper 5 and a second metal damper 8, a first metal damping unit 51 of the first metal damper 5 is used for shearing deformation consumption along the transverse direction of the support, a second metal damping unit 81 of the second metal damper 8 is used for shearing deformation consumption along the longitudinal direction of the support, and the first metal damping unit 51 and the second metal damping unit 81 are both in vertical arc structures and can be used for shearing deformation consumption in the vertical direction; the damping support can be used for shearing deformation consumption in the transverse direction, the longitudinal direction and the vertical direction, and is compact and simple in structure and convenient to install;
all materials of the damping support are metal, and mechanical properties are slightly affected by the environment, the damping support is stable in performance, good in durability and low in maintenance cost when used in engineering.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (9)
1. A three-way anisotropic metal damping seismic mitigation and isolation support comprises a support body, wherein the support body comprises an upper support plate (1) and a lower support plate (7), and is characterized in that first metal dampers (5) are respectively arranged at two ends of the support body along the transverse direction of the support body, and second metal dampers (8) are respectively arranged at two ends of the support body along the longitudinal direction of the support body;
the first metal damper (5) comprises a first metal damping unit (51), the first metal damping unit (51) is of a vertical arc-shaped structure, the first metal damping unit (51) is used for shearing deformation consumption along the transverse direction of the support, the upper end of the first metal damping unit (51) is connected with the upper support plate (1), and the lower end of the first metal damping unit (51) is connected with the lower support plate (7);
second metal damper (8) include second metal damping unit (81), second metal damping unit (81) are vertical arc structure, second metal damping unit (81) are used for shearing along the fore-and-aft deformation consumption of support, the upper end of second metal damping unit (81) with upper bracket board (1) is connected, the lower extreme of second metal damping unit (81) with bottom suspension bedplate (7) are connected.
2. The three-way anisotropic metal damping seismic isolation bearing according to claim 1, wherein the first metal damping unit (51) is provided with a first C-shaped part, and the first C-shaped part is transversely opened along the bearing body;
and/or the presence of a gas in the gas,
and a second C-shaped part is arranged on the second metal damping unit (81), and the second C-shaped part is opened along the longitudinal direction of the support body.
3. The three-way anisotropic metal damping seismic isolation bearing according to claim 1, wherein one end of the first metal damping unit (51) close to the upper bearing plate (1) is in sliding fit with the upper bearing plate (1) along the transverse direction of the bearing body;
and/or the presence of a gas in the gas,
one end, close to the upper support plate (1), of the second metal damping unit (81) is in sliding fit with the upper support plate (1) along the longitudinal direction of the support body.
4. The three-way anisotropic metal damping seismic isolation bearing according to claim 3, wherein a sliding groove is formed on the upper bearing plate (1), and one end of the first metal damping unit (51) and one end of the second metal damping unit (81) are respectively located in the sliding groove of the upper bearing plate (1) and are slidably connected with the upper bearing plate (1).
5. The three-way anisotropic metal damping seismic isolation bearing of claim 4, wherein the sliding groove comprises a dovetail groove or a T-shaped groove.
6. The three-way anisotropic metal damping seismic isolation bearing according to claim 1, wherein the bearing body further comprises a plane sliding plate (2), a spherical cap lining plate (3) and a spherical sliding plate (4), the top of the plane sliding plate (2) is attached to the upper bearing plate (1), the bottom of the plane sliding plate (2) is embedded into the spherical cap lining plate (3), the top of the spherical sliding plate (4) is attached to the bottom of the spherical cap lining plate (3), and the bottom of the spherical sliding plate (4) is embedded into the lower bearing plate (7).
7. The three-way anisotropic metal damping seismic isolation bearing according to claim 3, wherein the upper bearing plate (1) and the lower bearing plate (7) are both provided with an anchoring bolt (6), the upper bearing plate (1) is used for being connected with an upper beam body through the anchoring bolt (6), and the lower bearing plate (7) is used for being connected with an abutment padstone or an embedded steel plate through the anchoring bolt (6).
8. A three-way anisotropic metal damping seismic isolation bearing according to any one of claims 1 to 7, wherein the number of said first metal damping units (51) is at least two, and the ends of all said first metal damping units (51) are integrally formed.
9. The three-way anisotropic metal damping seismic isolation bearing of claim 8, wherein the number of the second metal damping units (81) is several, and the ends of all the second metal damping units (81) are integrally formed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202023124709.2U CN214573294U (en) | 2020-12-22 | 2020-12-22 | Three-dimensional anisotropic metal damping seismic mitigation and isolation support |
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| CN202023124709.2U CN214573294U (en) | 2020-12-22 | 2020-12-22 | Three-dimensional anisotropic metal damping seismic mitigation and isolation support |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960412A (en) * | 2022-03-23 | 2022-08-30 | 中国铁路设计集团有限公司 | Annular damper support, seismic isolation and reduction method and damping energy consumption method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114960412A (en) * | 2022-03-23 | 2022-08-30 | 中国铁路设计集团有限公司 | Annular damper support, seismic isolation and reduction method and damping energy consumption method |
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Effective date of registration: 20220507 Address after: No.356, Xiwang West Road, a district, Xinjin Industrial Park, Chengdu, Sichuan 610000 Patentee after: CHENGDU DATONG ROAD & BRIDGE COMPONENTS CO.,LTD. Patentee after: CHINA RAILWAY ERYUAN ENGINEERING GROUP Co.,Ltd. Patentee after: Sichuan tietuo Technology Co.,Ltd. Address before: No.356, Xiwang West Road, a district, Xinjin Industrial Park, Chengdu, Sichuan 610000 Patentee before: CHENGDU DATONG ROAD & BRIDGE COMPONENTS CO.,LTD. Patentee before: CHINA RAILWAY ERYUAN ENGINEERING GROUP Co.,Ltd. Patentee before: SICHUAN TIECHUANG TECHNOLOGY Co.,Ltd. |