CN109811644B - Elastic-plastic damping device - Google Patents
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- CN109811644B CN109811644B CN201910222159.0A CN201910222159A CN109811644B CN 109811644 B CN109811644 B CN 109811644B CN 201910222159 A CN201910222159 A CN 201910222159A CN 109811644 B CN109811644 B CN 109811644B
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- 238000013016 damping Methods 0.000 title claims abstract description 187
- 229910000831 Steel Inorganic materials 0.000 claims description 46
- 239000010959 steel Substances 0.000 claims description 46
- 229910001209 Low-carbon steel Inorganic materials 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 5
- 230000035939 shock Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000008878 coupling Effects 0.000 abstract description 2
- 238000010168 coupling process Methods 0.000 abstract description 2
- 238000005859 coupling reaction Methods 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 230000002265 prevention Effects 0.000 description 9
- 238000003466 welding Methods 0.000 description 7
- 230000001808 coupling effect Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 108010001267 Protein Subunits Proteins 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
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Abstract
The invention relates to the technical field of bridge structure design, and provides an elastoplastic damping device, which comprises: the damping unit, upper bracket and lower bracket, the both ends of damping unit install in the inside of upper bracket and the inside of lower bracket in a slidable mode respectively, and there is the clearance after installing, therefore, damping unit can move between upper bracket and lower bracket. The elastic-plastic damping device is simple and reliable in structure, definite in energy consumption, capable of achieving the effects of preventing the beam body from falling off and dissipating seismic energy, especially suitable for a curve bridge under the seismic action, capable of playing a good role of preventing falling off when being subjected to the transverse and longitudinal or three-direction coupling seismic action, and capable of dissipating energy through plastic deformation in the damping unit seismic, so that the bridge is protected in multiple directions, bridge shock hazard is reduced, and life and property safety is guaranteed. Meanwhile, the elastic-plastic damping device saves materials and has certain economic benefit.
Description
Technical Field
The invention relates to the technical field of bridge structure design, in particular to an elastoplastic damping device.
Background
Earthquake is one of the most common natural disasters in the current society, and beam falling damage is the most common damage phenomenon in numerous earthquake damages, and once the beam falling phenomenon occurs, huge damage is usually caused, and traffic life lines are often interrupted, so that life and property are lost.
Currently, in the field of seismic and disaster reduction of bridges, a beam falling prevention device is often adopted to prevent beam falling damage, and multiple earthquakes prove that a stop block plays a remarkable role in the earthquake, and the stop block can lose effect due to shearing damage in the earthquake and is not easy to repair. Currently, beam falling prevention devices are largely divided into two main types, namely, a transverse beam falling prevention device and a longitudinal beam falling prevention device, wherein the transverse beam falling prevention device mainly refers to various types of stoppers, and the longitudinal beam falling prevention device mainly refers to a beam connecting device and the like.
However, with the development of urban construction, curved bridges have become more and more popular, and the stress condition of the curved bridges under the action of an earthquake is more complex than that of the linear bridges, and the beam falling prevention devices of the curved sections not only bear longitudinal or transverse loads, but also act together under the coupling action of the two, so that the stress requirements of the curved bridges cannot be met by the general beam falling prevention devices. In view of the above-mentioned shortcomings, there is a need to design and develop an elastoplastic damping device that is suitable for curved bridges, is simple in construction, convenient to replace, low in cost, and adaptable to multi-directional drop-proof beams.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to provide an elastoplastic damping device, which aims to at least solve one of the technical problems existing in the prior art or related technologies.
(II) technical scheme
In order to solve the above technical problems, the present invention provides an elastoplastic damping device, comprising: the damping device comprises a damping unit, an upper support and a lower support, wherein two ends of the damping unit are respectively arranged in the upper support and the lower support in a sliding mode, gaps exist between the two ends of the damping unit and the upper support and between the two ends of the damping unit and the lower support, and the damping unit can move between the upper support and the lower support.
The upper support comprises a first steel backing plate, a hollow first cylindrical connecting part and a first cylindrical supporting part, wherein a first through hole is formed in the middle of the first cylindrical supporting part, the first steel backing plate is connected with one side end face of the first cylindrical connecting part, and the first cylindrical supporting part is connected with the opposite side end face of the first cylindrical connecting part;
the lower support comprises a second steel base plate, a hollow second cylindrical connecting part and a second cylindrical supporting part, wherein a second through hole is formed in the middle of the second cylindrical connecting part, the second steel base plate is connected with one side end face of the second cylindrical connecting part, and the second cylindrical supporting part is connected with the opposite side end face of the second cylindrical connecting part.
The first steel backing plate is connected with the main beam, and the second steel backing plate is connected with the cover beam.
The first steel backing plate is connected with the main beam through a first steel rod, and the second steel backing plate is connected with the cover beam through a second steel rod.
The outer diameter of the first cylindrical connecting part is smaller than the outer diameter or the side length of the first steel backing plate, and the outer diameter of the first cylindrical connecting part is equal to the outer diameter of the first cylindrical supporting part;
the outer diameter of the second cylindrical connecting part is smaller than the outer diameter or the side length of the second steel backing plate, and the outer diameter of the second cylindrical connecting part is equal to the outer diameter of the second cylindrical supporting part.
The damping unit comprises a first cylindrical damping unit, a first conical damping unit, a second cylindrical damping unit and a second conical damping unit;
the first cylindrical damping unit is connected with the first conical damping unit to form an upper damping unit, and the second conical damping unit is connected with the second cylindrical damping unit to form a lower damping unit; the first conical damping unit and the second conical damping unit are arranged in a manner that conical points are opposite, and the first conical damping unit and the second conical damping unit are connected through a cylinder.
The diameter of the bottom surface of the first conical damping unit is smaller than that of the first cylindrical damping unit, and the diameter of the bottom surface of the second conical damping unit is smaller than that of the second cylindrical damping unit.
The outer diameter of the first cylindrical damping unit is larger than the diameter of the first through hole, the outer diameter of the second cylindrical damping unit is larger than the diameter of the second through hole, the diameter of the bottom surface of the first conical damping unit is smaller than the diameter of the first through hole, and the diameter of the bottom surface of the second conical damping unit is smaller than the diameter of the second through hole;
the outer diameter of the first cylindrical damping unit is smaller than the inner diameter of the first cylindrical connecting portion, and the outer diameter of the second cylindrical damping unit is smaller than the inner diameter of the second cylindrical connecting portion.
The first cylindrical damping unit, the first conical damping unit, the second cylindrical damping unit, the second conical damping unit and the cylinder are all made of mild steel.
The first cylindrical damping unit, the first conical damping unit, the second cylindrical damping unit, the second conical damping unit and the cylinder are integrally connected to form the damping unit.
(III) beneficial effects
Compared with the prior art, the invention has the following advantages:
according to the elastic plastic damping device, the elastic plastic damping device is arranged between the capping beam and the beam body of the bridge, and under the condition that the bridge vibrates, the influence caused by the relative motion of the main beam is limited through the front and back, the left and right and the up and down of the damping unit arranged between the upper support and the lower support, and the elastic plastic damping device can bear the load generated by longitudinal, transverse or three-dimensional earthquake, so that the elastic plastic damping device has a good beam falling prevention effect, and in addition, the energy is dissipated through plastic deformation in the earthquake of the damping unit, so that the bridge is protected in multiple directions, the bridge shock hazard is lightened, and the life and property safety is guaranteed.
Drawings
FIG. 1 is a schematic view of an elastic-plastic damping device according to an embodiment of the present invention;
FIG. 2 is a schematic three-dimensional structure of an elastic-plastic damper according to an embodiment of the present invention
In the figure: 1-a first steel bar; 2-a first steel backing plate; 3-a first cylindrical connection; 4-a first cylindrical support; 5-a first cylindrical damping unit; 6-a first conical damping unit; 7-cylinder.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention and are not intended to limit the scope of the invention.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be a mechanical connection; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
As shown in fig. 1 and 2, an elastoplastic damping device provided in an embodiment of the present invention includes: the damping unit, upper bracket and lower bracket, the both ends of damping unit install in the inside of upper bracket and the inside of lower bracket with slidable mode respectively, and there is the clearance between the both ends of damping unit and the inside of upper bracket and the inside of lower bracket respectively, and damping unit can move between upper bracket and lower bracket.
It should be noted that, the inside of the upper support is provided with a first chamber for installing one end of the damping unit, the shape and size of the first chamber are adapted to one end of the damping unit, as long as a gap exists between one end of the damping unit and the first chamber, and the shape and size of the first chamber are not specifically limited in this embodiment; the second chamber for installing the other end of the damping unit is arranged in the lower support, the shape and the size of the second chamber are matched with those of the other end of the damping unit, as long as a gap exists between the other end of the damping unit and the second chamber, and the shape and the size of the second chamber are not particularly limited in the embodiment.
In this embodiment, install the elastic-plastic damping device between the bent cap and the roof beam body of bridge, under the circumstances that the bridge takes place vibrations, restrict the influence that produces girder relative motion through the back-and-forth, control, the up-and-down motion of the damping unit that sets up between upper bracket and lower support, the elastic-plastic damping device can bear vertical, horizontal and the load that produces under the three-dimensional earthquake coupling effect, can play fine effect of preventing falling the roof beam, in addition, through the plastic deformation dissipation energy in the damping unit earthquake, diversified protection bridge lightens the bridge shock hazard, guarantee life and property safety.
In addition, according to an embodiment of the present invention, the upper support includes a first steel pad 2, a hollow first cylindrical connecting part 3, and a first cylindrical supporting part 4 provided with a first through hole in the middle, the first steel pad 2 being connected to one side end surface of the first cylindrical connecting part 3, the first cylindrical supporting part 4 being connected to the opposite side end surface of the first cylindrical connecting part 3;
the lower support comprises a second steel backing plate (not shown in the figure), a hollow second cylindrical connecting part (not shown in the figure) and a second cylindrical supporting part (not shown in the figure) with a second through hole in the middle, wherein the second steel backing plate is connected with one side end surface of the second cylindrical connecting part, and the second cylindrical supporting part is connected with the opposite side end surface of the second cylindrical connecting part.
In this embodiment, the first steel pad 2 and the second steel pad may be cylindrical steel pads or rectangular steel pads, and the first cylindrical connecting portion 3 includes two symmetrical first cylindrical connecting portion sub-units, and the two first cylindrical connecting portion sub-units form a complete first cylindrical connecting portion 3 through welding or bolting; the first cylindrical support 4 comprises two symmetrical first cylindrical support subunits which form a complete first cylindrical support 4 by welding or bolting; correspondingly, the second cylindrical connecting part comprises two symmetrical second cylindrical connecting part subunits, and the two second cylindrical connecting part subunits form a complete second cylindrical connecting part through welding or bolting; the second cylindrical support comprises two symmetrical second cylindrical support subunits which form a complete second cylindrical support by welding or bolting.
It will be appreciated that the first cylindrical connecting portion 3 and the first cylindrical supporting portion 4 in the upper support and the second cylindrical connecting portion and the second cylindrical supporting portion in the lower support may be prefabricated in a factory, and after the damping unit is installed in the field, the other semi-fixed rail is welded or bolted.
In addition, according to an embodiment of the present invention, the first steel pad 2 is connected to the main beam, and the second steel pad is connected to the bent cap.
Wherein, first steel backing plate 2 is connected with the girder through first steel bar 1, and the second steel backing plate is connected with the bent cap through second steel bar (not shown in the figure).
In this embodiment, a plurality of first steel bars 1 are fixed to a first steel backing plate 2 by welding, and a plurality of second steel bars are fixed to a second steel backing plate by welding.
In addition, according to an embodiment of the present invention, the outer diameter of the first cylindrical connecting portion 3 is smaller than the outer diameter or side length of the first steel backing plate 2, and the outer diameter of the first cylindrical connecting portion 3 is equal to the outer diameter of the first cylindrical supporting portion 4; the outer diameter of the second cylindrical connecting part is smaller than the outer diameter or the side length of the second steel backing plate, and the outer diameter of the second cylindrical connecting part is equal to the outer diameter of the second cylindrical supporting part.
In the present embodiment, the first cylindrical connecting portion 3, the first steel backing plate 2, and the first cylindrical supporting portion 4 together constitute a movement space of the upper end portion of the damping unit; the second cylindrical connecting part, the second steel backing plate and the second cylindrical supporting part jointly form a movement space of the lower end part of the damping unit.
In addition, according to an embodiment of the present invention, the damping unit includes a first cylindrical damping unit 5, a first conical damping unit 6, a second cylindrical damping unit, and a second conical damping unit; the first cylindrical damping unit 5 is connected with the first conical damping unit 6 to form an upper damping unit, and the second conical damping unit is connected with the second cylindrical damping unit to form a lower damping unit; the first conical damping unit 6 and the second conical damping unit are arranged in such a way that the conical tips are opposite, and the first conical damping unit 6 and the second conical damping unit are connected by a cylinder 7.
The diameter of the cylinder 7 is determined according to the shear strength requirement required to be met in the earthquake, so that the shearing fracture in the earthquake is prevented.
In the embodiment, when certain displacement occurs under the action of an earthquake, bending moments with equal magnitudes are generated at the two ends of the damping unit, so that all parts of the damping unit reach yield simultaneously for fully utilizing materials, the damping unit is designed to be X-shaped, and the requirements on stress can be met, and meanwhile, the materials are saved most. Therefore, in order to cope with the longitudinal and transverse coupling action, the damping unit is designed as a rotary body structure with an arbitrary cross-sectional form of an X-shape.
In addition, according to an embodiment of the present invention, the diameter of the bottom surface of the first conical damping unit 6 is smaller than the diameter of the first cylindrical damping unit 5 and the diameter of the first through hole, and the diameter of the bottom surface of the second conical damping unit is smaller than the diameter of the second cylindrical damping unit and the diameter of the second through hole.
In the present embodiment, by setting the bottom surface diameter of the first conical damping unit 6 smaller than the diameter of the first cylindrical damping unit 5 and the diameter of the first through hole, the first cylindrical damping unit 5 can move within the inner space of the upper mount without being separated from the inner space of the upper mount when the upper damping unit moves; by setting the diameter of the bottom surface of the second conical damping unit smaller than the diameter of the second cylindrical damping unit and the diameter of the second through hole, the second cylindrical damping unit can move in the inner space of the lower support without being separated from the inner space of the lower support when the lower damping unit moves.
Further to achieve that the first cylindrical damping unit 5 can move in the inner space of the upper support without being separated from the inner space of the upper support when the upper damping unit moves, the outer diameter of the first cylindrical damping unit 5 is larger than the diameter of the first through hole, and the outer diameter of the second cylindrical damping unit is larger than the diameter of the second through hole;
in order to realize that the second cylindrical damping unit can move in the inner space of the lower support without being separated from the inner space of the lower support when the lower damping unit moves, the outer diameter of the first cylindrical damping unit is smaller than the inner diameter of the first cylindrical connecting part, and the outer diameter of the second cylindrical damping unit is smaller than the inner diameter of the second cylindrical connecting part.
In addition, according to an embodiment of the present invention, the first cylindrical damping unit 5, the first conical damping unit 6, the second cylindrical damping unit, the second conical damping unit and the cylinder 7 are all made of energy-consuming materials.
In this embodiment, since the mild steel has good strength and good plasticity, the first cylindrical damping unit 5, the first conical damping unit 6, the second cylindrical damping unit, the second conical damping unit, and the cylinder 7 are made of mild steel, so that the deformation capacity thereof can be improved to better absorb vibration energy generated to the bridge from the outside.
In addition, according to the embodiment of the present invention, the first cylindrical damper unit 5, the first conical damper unit 6, the second cylindrical damper unit, the second conical damper unit, and the cylinder 7 are integrally connected to constitute a damper unit.
In this embodiment, the first cylindrical damping unit 5, the first conical damping unit 6, the second cylindrical damping unit, the second conical damping unit and the cylinder 7 are integrally connected to form the damping unit, so that the structural stability and structural strength of the damping unit can be improved, and meanwhile, the damping unit can be replaced integrally. The first cylindrical damping unit 5, the first conical damping unit 6, the second cylindrical damping unit, the second conical damping unit and the cylinder 7 can also be connected by welding to achieve the effect of integrally forming the damping unit.
The elastic-plastic damping device provided by the invention has a simple and reliable structure, definite energy consumption, can achieve the effects of preventing the beam body from falling off and dissipating seismic energy, is especially suitable for a curve bridge to play a good role in preventing the beam from falling off under the action of earthquake and under the action of transverse and longitudinal coupling, protects the bridge in multiple directions, reduces the bridge shock hazard, ensures the safety of life and property, saves materials and has certain economic benefit.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the invention.
Claims (7)
1. An elastoplastic damping device, comprising: the damping device comprises a damping unit, an upper support and a lower support, wherein two ends of the damping unit are respectively arranged in the upper support and the lower support in a sliding manner, a gap exists between the two ends of the damping unit and the upper support and between the two ends of the damping unit and the lower support, and the damping unit can move between the upper support and the lower support;
the upper support comprises a first steel base plate, a hollow first cylindrical connecting part and a first cylindrical supporting part, wherein a first through hole is formed in the middle of the first cylindrical connecting part;
the lower support comprises a second steel backing plate, a hollow second cylindrical connecting part and a second cylindrical supporting part, wherein a second through hole is formed in the middle of the second cylindrical connecting part;
the damping unit comprises a first cylindrical damping unit, a first conical damping unit, a second cylindrical damping unit and a second conical damping unit;
the first cylindrical damping unit is connected with the first conical damping unit to form an upper damping unit, and the second conical damping unit is connected with the second cylindrical damping unit to form a lower damping unit; the first conical damping unit and the second conical damping unit are arranged in a manner that conical points are opposite, and the first conical damping unit and the second conical damping unit are connected through a cylinder;
the first steel backing plate is connected with the main beam, and the second steel backing plate is connected with the bent cap.
2. The elastoplastic damping device of claim 1, wherein the first steel pad is connected to the main beam by a first steel rod and the second steel pad is connected to the bent cap by a second steel rod.
3. The elastoplastic damping device of claim 1, wherein an outer diameter of the first cylindrical connecting portion is smaller than an outer diameter or side length of the first steel backing plate, the outer diameter of the first cylindrical connecting portion being equal to an outer diameter of the first cylindrical supporting portion;
the outer diameter of the second cylindrical connecting part is smaller than the outer diameter or the side length of the second steel backing plate, and the outer diameter of the second cylindrical connecting part is equal to the outer diameter of the second cylindrical supporting part.
4. The elastoplastic damping device of claim 1, wherein the diameter of the bottom surface of the first conical damping unit is smaller than the diameter of the first cylindrical damping unit, and the diameter of the bottom surface of the second conical damping unit is smaller than the diameter of the second cylindrical damping unit.
5. The elastoplastic damping device of claim 1, wherein the outer diameter of the first cylindrical damping unit is greater than the diameter of the first through hole, the outer diameter of the second cylindrical damping unit is greater than the diameter of the second through hole, the diameter of the bottom surface of the first conical damping unit is smaller than the diameter of the first through hole, and the diameter of the bottom surface of the second conical damping unit is smaller than the diameter of the second through hole;
the outer diameter of the first cylindrical damping unit is smaller than the inner diameter of the first cylindrical connecting portion, and the outer diameter of the second cylindrical damping unit is smaller than the inner diameter of the second cylindrical connecting portion.
6. The elastoplastic damping device of claim 1, wherein the first cylindrical damping unit, the first conical damping unit, the second cylindrical damping unit, the second conical damping unit, and the cylinder are all made of mild steel.
7. The elastoplastic damping device of claim 1, wherein the first cylindrical damping unit, the first conical damping unit, the second cylindrical damping unit, the second conical damping unit, and the cylinder are integrally connected to constitute the damping unit.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910222159.0A CN109811644B (en) | 2019-03-22 | 2019-03-22 | Elastic-plastic damping device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910222159.0A CN109811644B (en) | 2019-03-22 | 2019-03-22 | Elastic-plastic damping device |
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| CN109811644A CN109811644A (en) | 2019-05-28 |
| CN109811644B true CN109811644B (en) | 2023-11-10 |
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006029433A (en) * | 2004-07-15 | 2006-02-02 | Bando Chem Ind Ltd | Base-isolation support and its manufacturing method |
| CN101696564A (en) * | 2009-10-21 | 2010-04-21 | 东南大学 | Compound energy consumption one-way bridge support |
| CN102296703A (en) * | 2011-05-20 | 2011-12-28 | 青岛科而泰环境控制技术有限公司 | Horizontal displacement shock insulation support |
| JP2012127072A (en) * | 2010-12-14 | 2012-07-05 | Yachiyo Engineering Co Ltd | Earthquake-proofing method of existing pin bearing |
| CN103147394A (en) * | 2013-03-09 | 2013-06-12 | 北京工业大学 | Pulling-resistant bidirectional sliding friction bearing |
| CN103147393A (en) * | 2013-03-09 | 2013-06-12 | 北京工业大学 | Pulling-resistant friction isolation bearing for bridge |
| CN103306196A (en) * | 2013-06-15 | 2013-09-18 | 中南大学 | Spiral bridge support |
| CN203320395U (en) * | 2013-06-04 | 2013-12-04 | 同济大学 | X-shaped metal shock-absorbing device applicable to bridge structures and with limiting capability |
| CN203361001U (en) * | 2013-05-03 | 2013-12-25 | 大连民族学院 | Bridge damping support |
| CN204000587U (en) * | 2014-06-30 | 2014-12-10 | 同济大学 | New city viaduct Horizontal Seismic system |
| CN105239501A (en) * | 2015-05-14 | 2016-01-13 | 北京工业大学 | Anti-pull high damping rubber vibration isolating support |
| CN205313973U (en) * | 2016-01-25 | 2016-06-15 | 王永霞 | Novel bridge beam supports |
| CN106368115A (en) * | 2016-09-28 | 2017-02-01 | 同济大学 | Novel shock insulation system suitable for medium and small-span beam bridges |
| CN106758784A (en) * | 2017-03-10 | 2017-05-31 | 衢州学院 | A kind of Longspan Bridge vibration absorber |
| CN207244439U (en) * | 2017-09-27 | 2018-04-17 | 湖南邦贝工程材料有限公司 | Girder falling subtracts shock insulation ball shaped steel bearing |
| CN108487049A (en) * | 2018-02-26 | 2018-09-04 | 北京建筑大学 | A kind of shock isolating pedestal |
| CN109235687A (en) * | 2018-10-22 | 2019-01-18 | 北京工业大学 | Resistance to plucking three-dimensional compounded shock isolating pedestal |
| CN209989691U (en) * | 2019-03-22 | 2020-01-24 | 北京建筑大学 | Elastic-plastic damping device |
-
2019
- 2019-03-22 CN CN201910222159.0A patent/CN109811644B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006029433A (en) * | 2004-07-15 | 2006-02-02 | Bando Chem Ind Ltd | Base-isolation support and its manufacturing method |
| CN101696564A (en) * | 2009-10-21 | 2010-04-21 | 东南大学 | Compound energy consumption one-way bridge support |
| JP2012127072A (en) * | 2010-12-14 | 2012-07-05 | Yachiyo Engineering Co Ltd | Earthquake-proofing method of existing pin bearing |
| CN102296703A (en) * | 2011-05-20 | 2011-12-28 | 青岛科而泰环境控制技术有限公司 | Horizontal displacement shock insulation support |
| CN103147394A (en) * | 2013-03-09 | 2013-06-12 | 北京工业大学 | Pulling-resistant bidirectional sliding friction bearing |
| CN103147393A (en) * | 2013-03-09 | 2013-06-12 | 北京工业大学 | Pulling-resistant friction isolation bearing for bridge |
| CN203361001U (en) * | 2013-05-03 | 2013-12-25 | 大连民族学院 | Bridge damping support |
| CN203320395U (en) * | 2013-06-04 | 2013-12-04 | 同济大学 | X-shaped metal shock-absorbing device applicable to bridge structures and with limiting capability |
| CN103306196A (en) * | 2013-06-15 | 2013-09-18 | 中南大学 | Spiral bridge support |
| CN204000587U (en) * | 2014-06-30 | 2014-12-10 | 同济大学 | New city viaduct Horizontal Seismic system |
| CN105239501A (en) * | 2015-05-14 | 2016-01-13 | 北京工业大学 | Anti-pull high damping rubber vibration isolating support |
| CN205313973U (en) * | 2016-01-25 | 2016-06-15 | 王永霞 | Novel bridge beam supports |
| CN106368115A (en) * | 2016-09-28 | 2017-02-01 | 同济大学 | Novel shock insulation system suitable for medium and small-span beam bridges |
| CN106758784A (en) * | 2017-03-10 | 2017-05-31 | 衢州学院 | A kind of Longspan Bridge vibration absorber |
| CN207244439U (en) * | 2017-09-27 | 2018-04-17 | 湖南邦贝工程材料有限公司 | Girder falling subtracts shock insulation ball shaped steel bearing |
| CN108487049A (en) * | 2018-02-26 | 2018-09-04 | 北京建筑大学 | A kind of shock isolating pedestal |
| CN109235687A (en) * | 2018-10-22 | 2019-01-18 | 北京工业大学 | Resistance to plucking three-dimensional compounded shock isolating pedestal |
| CN209989691U (en) * | 2019-03-22 | 2020-01-24 | 北京建筑大学 | Elastic-plastic damping device |
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| CN109811644A (en) | 2019-05-28 |
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