CN104805908B - A kind of three-dimensional shock isolation support - Google Patents
A kind of three-dimensional shock isolation support Download PDFInfo
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- CN104805908B CN104805908B CN201510228638.5A CN201510228638A CN104805908B CN 104805908 B CN104805908 B CN 104805908B CN 201510228638 A CN201510228638 A CN 201510228638A CN 104805908 B CN104805908 B CN 104805908B
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- jigsaw
- pendulum
- cambered surface
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- friction pendulum
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Abstract
The invention discloses a kind of three-dimensional shock isolation support, including I-shaped tension splice plate, frame friction-pendulum shock-insulation support, damping energy-dissipating device；Described I-shaped tension splice plate includes jigsaw, lower jigsaw, the connection steel column that is arranged between jigsaw and lower jigsaw；Described upper jigsaw is connected with upper plate；Described lower jigsaw is provided with rustless steel cambered surface slide plate；Described frame friction-pendulum shock-insulation support includes friction pendulum base, friction pendulum spheric pendulum, middle jigsaw；Described friction pendulum base is connected with lower plate；Being provided with rustless steel cambered surface slide plate on described friction pendulum base, described friction pendulum spheric pendulum is arranged between above-mentioned two rustless steel cambered surface slide plate；Described friction pendulum base is connected with middle jigsaw by multiple steel short columns, and described middle jigsaw is arranged between jigsaw and lower jigsaw, and described damping energy-dissipating device is arranged between lower jigsaw and middle jigsaw.The present invention improves vertical resistance to tension and energy-dissipating property, increases horizontal displacement, possesses good self-resetting capability.
Description
Technical field
The present invention relates to a kind of for civil engineering structure, the shock isolating pedestal of bridge structure, particularly relate to a kind of three-dimensional shock isolation support, belong to civil engineering, technical field of bridge engineering.
Background technology
In Architectural Structure Design, shock insulation is set, shock mount can effective earthquake disaster mitigation；By the requirement of standard GB/T 50011-2010 " seismic design provision in building code ", generally use rubber earthquake isolation support as earthquake isolating equipment；Under geological process, building is it may happen that greater level displacement, and the amplitude of existing bearing tolerable injury level displacement is smaller, it is impossible to meets building and bridge etc. in engineering practice and resists the requirement of big intensity earthquake；The shock isolating pedestal of middle and high layer building typically requires and bears bigger pulling force, and existing shock isolating pedestal resistance to tension is not enough, and range of application is restricted；Shock isolating pedestal is when displacement produces deformation, and energy-dissipating property is the most weak, it is impossible to effectively weaken geological process；Additionally, after geological process, bearing self-resetting capability is limited, affects it and re-use, reduce economy；Therefore, exploitation one can level of isolation geological process, allow larger displacement, also have preferably vertical resistance to tension, the three-dimensional shock isolation support of energy-dissipating property simultaneously, there is important theory significance and application value realistic.
Summary of the invention
For solving the deficiencies in the prior art, the present invention provides one to have the most vertical resistance to tension and energy-dissipating property, it is allowed to the larger displacement of any direction in occurred level face between the reinforcement member connected, and possesses again the three-dimensional shock isolation support of preferable self-resetting capability simultaneously.
The technical solution adopted in the present invention is:
A kind of three-dimensional shock isolation support, including I-shaped tension splice plate, frame friction-pendulum shock-insulation support, damping energy-dissipating device, upper plate, lower plate；Described I-shaped tension splice plate includes jigsaw and lower jigsaw；Described upper plate is connected with upper jigsaw upper surface；Described lower jigsaw lower surface is provided with rustless steel cambered surface slide plate；It is connected between the lower surface of described upper jigsaw and the upper surface of described lower jigsaw and has connection steel column；Described frame friction-pendulum shock-insulation support includes friction pendulum base, friction pendulum spheric pendulum, steel short column, middle jigsaw；Described lower plate is connected with friction pendulum base lower surface；Described friction pendulum base upper surface is provided with rustless steel cambered surface slide plate, and described friction pendulum spheric pendulum is arranged between lower jigsaw rustless steel cambered surface slide plate and friction pendulum base rustless steel cambered surface slide plate；Described friction pendulum base edge position is connected with middle jigsaw by multiple steel short columns, and described middle jigsaw is unsettled to be arranged between jigsaw and lower jigsaw, and is provided with through hole in the middle of described middle jigsaw, and described connection steel column is connected through through hole with upper and lower jigsaw；Described damping energy-dissipating device is arranged between lower jigsaw and middle jigsaw.
Further, described friction pendulum base is square, and described steel short column is provided with four；Described four steel short columns are separately positioned on four angles of described square friction pendulum base, and described four steel short columns and friction pendulum base and middle jigsaw by bolt, welding, hinged in any one mode is fixing is connected；The inscribed circle part of described square friction pendulum base upper surface is cancave cambered surface, and described rustless steel cambered surface slide plate is welded on bottom described cancave cambered surface, and consistent with radian bottom described cancave cambered surface；There is the discrepancy in elevation with friction pendulum base upper surface edge bottom cancave cambered surface, play position-limiting action.
Further, the cross section of described lower jigsaw is circular, and is provided with the cylinder that top is cancave cambered surface in the middle part of described lower jigsaw lower surface, and described rustless steel cambered surface slide plate is welded on the cancave cambered surface of described column top, and consistent with the cancave cambered surface radian of described cylinder.
Further, described upper plate by bolt, welding, hinged in any one mode and described upper jigsaw upper surface are fixing is connected；Described lower plate by bolt, welding, hinged in any one mode and friction pendulum base lower surface are fixing is connected；Described connection steel column and upper and lower jigsaw by bolt, welding, hinged in any one mode is fixing is connected.
Further, described upper jigsaw and middle jigsaw are square.
Further, described through hole is circular, and described manhole internal diameter is more than connecting steel column；Ensureing to connect steel column can be movable in the through hole of middle jigsaw central authorities；Realize the displacement of any direction in horizontal plane.
Further, described damping energy-dissipating device is disk spring；Can require according to local earthquake protection, building aseismicity requires to select.
Further, polytetrafluoroethylmaterial material is scribbled between described rustless steel cambered surface slide plate and friction pendulum spheric pendulum；Coefficient of friction is little, and beneficially friction pendulum spheric pendulum slides in the cambered surface of rustless steel cambered surface slide plate smoothly；Extending structure natural vibration period, reach damping effect；After earthquake, superstructure, from reforming restoring force, makes three-dimensional shock isolation support reset.
The beneficial effects of the present invention is: three-dimensional shock isolation support realizes horizontal reciprocating by the anabolic effect of upper and lower two cambered surfaces of friction pendulum spheric pendulum and slides, and can meet the greater level relative displacement under the horizontal loading in any direction；Bearing is jointly acted on by I-shaped splice plate and frame friction-pendulum shock-insulation support and realizes resistance to tension, the pulling force that Vertical Earthquake Loads produces is delivered to the building of lower section from upper component by bearing, and further reduce this part pulling force by the damping energy-dissipating device in bearing, possess stronger resistance to tension；During bearing is when horizontal reciprocating slip or vertical tension displacement, the polytetrafluoroethylmaterial material extending structure natural vibration period that sliding surface adds, with the activity in frame under the drive of friction pendulum spheric pendulum of jigsaw at present, and produce relative displacement with middle jigsaw, extruding damping energy-dissipating device, damping energy-dissipating device deformation consumed energy, possesses preferable damping effect；Additionally, after earthquake, superstructure, from reforming restoring force, makes bearing possess preferable self-resetting capability.
Accompanying drawing illustrates:
Fig. 1 is the schematic front view of three-dimensional shock isolation support of the present invention；
Fig. 2 is the sectional view of the three-dimensional shock isolation support of the present invention；
Fig. 3 is that the A-A of three-dimensional shock isolation support shown in Fig. 2 of the present invention is to sectional view；
In figure, Main Reference Numerals implication is as follows:
1, upper jigsaw, 2, connect steel column, 3, lower jigsaw, 4, rustless steel cambered surface slide plate, 5, friction pendulum base, 6, friction pendulum spheric pendulum, 7, steel short column, 8, middle jigsaw, 9, disk spring, 10, lower plate, 11, upper plate, 12 bolts.
Detailed description of the invention:
Below in conjunction with the accompanying drawings the present invention is done concrete introduction.
Fig. 1 is the schematic front view of three-dimensional shock isolation support of the present invention；Fig. 2 is the sectional view of the three-dimensional shock isolation support of the present invention；Fig. 3 is that the A-A of three-dimensional shock isolation support shown in Fig. 2 of the present invention is to sectional view；
As shown in Figure 1, 2, 3: the present embodiment is a kind of three-dimensional shock isolation support, including I-shaped tension splice plate, frame friction-pendulum shock-insulation support, damping energy-dissipating device, upper plate 11, lower plate 10；Described I-shaped tension splice plate includes square upper jigsaw 1 and circular lower jigsaw 3；Described upper plate 11 is connected by bolt 12 and upper jigsaw 1 upper surface are fixing；Being provided with the cylinder that top is cancave cambered surface in the middle part of described lower jigsaw 3 lower surface, described rustless steel cambered surface slide plate 4 is welded on the cancave cambered surface of described column top, and consistent with the cancave cambered surface radian of described cylinder；It is connected by bolt 12 between the lower surface of described upper jigsaw 1 and the upper surface of described lower jigsaw 3 and has connection steel column 2；Described frame friction-pendulum shock-insulation support includes square friction pendulum base 5, friction pendulum spheric pendulum 6, steel short column 7, square middle jigsaw 8；Described lower plate 10 is connected by bolt 12 and square friction pendulum base 5 lower surface are fixing；Described square friction pendulum base 5 upper surface is provided with rustless steel cambered surface slide plate 4, and described friction pendulum spheric pendulum 6 is arranged between lower jigsaw 3 rustless steel cambered surface slide plate 4 and friction pendulum base 5 rustless steel cambered surface slide plate 4；Described in the present embodiment, the inscribed circle part of square friction pendulum base 5 upper surface is cancave cambered surface, and described rustless steel cambered surface slide plate 4 is welded on bottom described cancave cambered surface, and consistent with radian bottom described cancave cambered surface；There is the discrepancy in elevation with friction pendulum base 5 top surface edge bottom cancave cambered surface, play position-limiting action；Described in the present embodiment, steel short column 7 is provided with four；Four steel short columns 7 are separately positioned on four angles of described square friction pendulum base 5, and described four steel short columns 7 are connected by bolt 12 is fixing with friction pendulum base 5 and middle jigsaw 8；Described middle jigsaw 8 is unsettled to be arranged between jigsaw 1 and lower jigsaw 3, and is provided with the through hole of circle in the middle of described middle jigsaw 8, and described manhole internal diameter is more than connecting steel column 2；Described connection steel column 2 is connected through through hole with upper jigsaw 1 and lower jigsaw 3；Ensureing to connect steel column 2 can be movable in the through hole of middle jigsaw 8 central authorities；Realize the displacement of any direction in horizontal plane；Described damping energy-dissipating device is arranged between lower jigsaw 3 and middle jigsaw 8；Damping energy-dissipating device described in the present embodiment is disk spring 9；When the slip of three-dimensional shock isolation support horizontal reciprocating or vertical tension displacement, lower jigsaw 3 is movable in frame friction-pendulum shock-insulation support under the drive of friction pendulum spheric pendulum 6, and produce relative displacement with middle jigsaw 8, extrude damping energy-dissipating device disk spring 9 deformation consumed energy, reach damping effect；Can certainly require according to local earthquake protection, building aseismicity requires to select other Energy dissipating material to realize vertical earthquake isolating, tension effect；Meanwhile, polytetrafluoroethylmaterial material is scribbled between rustless steel cambered surface slide plate 4 and the friction pendulum spheric pendulum 6 described in the present embodiment；Coefficient of friction is little, and beneficially friction pendulum spheric pendulum 6 slides in the cambered surface of rustless steel cambered surface slide plate 4 smoothly；Extending structure natural vibration period, reach damping effect；After earthquake, superstructure, from reforming restoring force, makes three-dimensional shock isolation support reset.
Above-described embodiment realizes horizontal reciprocating by the friction pendulum spheric pendulum 6 anabolic effect in two rustless steel cambered surface slide plates 4 and slides；Wherein, in the present embodiment, the through hole of the middle jigsaw 8 connecting steel column 2, lower jigsaw 3, frame friction-pendulum shock-insulation support of I-shaped splice plate is all circular, the manhole diameter of middle jigsaw 8 is more than connecting steel column 2 diameter, it is ensured that the steel column 2 that connects in I-shaped splice plate can be movable in the through hole of middle jigsaw 8 central authorities of frame friction-pendulum shock-insulation support；Four sides of frame friction-pendulum shock-insulation support are open, it is ensured that under I-shaped splice plate, spelling pulls 3 activity space in frame；Ensure that the displacement being capable of any level direction between upper component and lower member；Additionally, friction pendulum base 5 edge exceeds bottom cancave cambered surface, jointly friction pendulum spheric pendulum 6 is played position-limiting action with middle jigsaw 8, steel short column 7.
If a diameter of D4 of manhole on middle jigsaw 8, connect a diameter of D1 of steel column 2, then the present embodiment three-dimensional shock isolation support maximum horizontal displacement amount S=(D4-D1)/2.
Three-dimensional shock isolation support described in the present embodiment is jointly acted on by I-shaped tension splice plate and frame friction-pendulum shock-insulation support and realizes resistance to tension；Wherein the height of connection steel column 2 and the height of steel short column 7 and damping energy-dissipating device can require according to Practical Project, local building aseismicity requires the most selected；When bearing bears Vertical Earthquake Loads, connect the I-shaped tension splice plate under tension of upper component, by connecting steel column 2, pulling force is delivered to lower jigsaw 3, and drive lower jigsaw 3 to shift up extruding damping energy-dissipating device, damping energy-dissipating device is squeezed deformation consumed energy, and remaining a part of pulling force is passed to middle jigsaw 8, pulling force is passed to the friction pendulum base 5 of frame friction-pendulum shock-insulation support by middle jigsaw 8 by being arranged on the steel short column 7 of friction pendulum base 5 four jiaos, is finally passed to bottom building by it；So, the pulling force that Vertical Earthquake Loads produces just is delivered to the building of lower section from upper component, and further reduces this part pulling force by damping energy-dissipating device, it is achieved that the function of three-dimensional shock isolation support tension；Equally, when lower section friction pendulum base 5 under tension, according to above-mentioned contrary direction pulling force transmitted and slacken, being ultimately transferred to upper building, it is achieved the tension function of three-dimensional shock isolation support.
Upper plate 11 described in the present embodiment fix with described upper jigsaw 1 upper surface be connected, described lower plate 10 fix with friction pendulum base 5 lower surface be connected, described connection steel column 2 and upper jigsaw 1 and the fixing connected mode being connected of lower jigsaw 3 are not limited to bolt 12 connected mode, other connected mode can also be converted, as used welding, the mode such as hinged to connect.
By in above-described embodiment to carrying out relative horizontal displacement and the process analysis of transmission pulling force between description and each parts of the arrangement of the structure of described three-dimensional shock isolation support, can be seen that, three-dimensional shock isolation support disclosed in this invention is capable of the most vertical resistance to tension and energy-dissipating property, between the reinforcement member that permission is connected, the larger displacement of any direction in occurred level face, possesses again preferable self-resetting capability simultaneously；And the present invention has the little advantage that takes up space, can apply at engineering fields such as building, bridges, there is wide applicability.
The above is only the preferred implementation of patent of the present invention; it should be pointed out that, for those skilled in the art, on the premise of without departing from patent principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be regarded as the protection domain of patent of the present invention.
Claims (8)
1. a three-dimensional shock isolation support, it is characterised in that: include I-shaped tension splice plate, frame friction-pendulum shock-insulation support, damping energy-dissipating device, upper plate, lower plate；Described I-shaped tension splice plate includes jigsaw and lower jigsaw；Described upper plate is connected with upper jigsaw upper surface；Described lower jigsaw lower surface is provided with rustless steel cambered surface slide plate；It is connected between the lower surface of described upper jigsaw and the upper surface of described lower jigsaw and has connection steel column；Described frame friction-pendulum shock-insulation support includes friction pendulum base, friction pendulum spheric pendulum, steel short column, middle jigsaw；Described lower plate is connected with friction pendulum base lower surface；Described friction pendulum base upper surface is provided with rustless steel cambered surface slide plate, and described friction pendulum spheric pendulum is arranged between lower jigsaw rustless steel cambered surface slide plate and friction pendulum base rustless steel cambered surface slide plate；Described friction pendulum base edge position is connected with middle jigsaw by multiple steel short columns, and described middle jigsaw is unsettled to be arranged between jigsaw and lower jigsaw, and is provided with through hole in the middle of described middle jigsaw, and described connection steel column is connected through through hole with upper and lower jigsaw；Described damping energy-dissipating device is arranged between lower jigsaw and middle jigsaw；Described damping energy-dissipating device is disk spring.
A kind of three-dimensional shock isolation support the most according to claim 1, it is characterised in that described friction pendulum base is square, and described steel short column is provided with four；Described four steel short columns are separately positioned on four angles of described square friction pendulum base, and described four steel short columns and friction pendulum base and middle jigsaw by bolt, welding, hinged in any one mode is fixing is connected.
A kind of three-dimensional shock isolation support the most according to claim 2, it is characterised in that the inscribed circle part of described square friction pendulum base upper surface is cancave cambered surface, and described rustless steel cambered surface slide plate is welded on bottom described cancave cambered surface, and consistent with radian bottom described cancave cambered surface.
A kind of three-dimensional shock isolation support the most according to claim 1, it is characterized in that, the cross section of described lower jigsaw is circular, and it is provided with, in the middle part of described lower jigsaw lower surface, the cylinder that top is cancave cambered surface, described rustless steel cambered surface slide plate is welded on the cancave cambered surface of described column top, and consistent with the cancave cambered surface radian of described cylinder.
A kind of three-dimensional shock isolation support the most according to claim 1, it is characterised in that described upper plate by bolt, welding, hinged in any one mode fix with described upper jigsaw upper surface and to be connected；Described lower plate by bolt, welding, hinged in any one mode and friction pendulum base lower surface are fixing is connected；Described connection steel column and upper and lower jigsaw by bolt, welding, hinged in any one mode is fixing is connected.
A kind of three-dimensional shock isolation support the most according to claim 1, it is characterised in that described upper jigsaw and middle jigsaw are square.
A kind of three-dimensional shock isolation support the most according to claim 1, it is characterised in that described through hole is circular, and described manhole internal diameter is more than connecting steel column.
8. according to a kind of three-dimensional shock isolation support described in any one of claim 1,3,4, it is characterised in that scribble polytetrafluoroethylmaterial material between described rustless steel cambered surface slide plate and friction pendulum spheric pendulum.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510228638.5A CN104805908B (en) | 2015-05-07 | 2015-05-07 | A kind of three-dimensional shock isolation support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510228638.5A CN104805908B (en) | 2015-05-07 | 2015-05-07 | A kind of three-dimensional shock isolation support |
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| CN104805908A CN104805908A (en) | 2015-07-29 |
| CN104805908B true CN104805908B (en) | 2016-09-14 |
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| CN201510228638.5A Expired - Fee Related CN104805908B (en) | 2015-05-07 | 2015-05-07 | A kind of three-dimensional shock isolation support |
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Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049262B (en) * | 2016-07-13 | 2018-03-02 | 山东省交通规划设计院 | It is a kind of to be applied to cable-stayed bridge, the two-way vibration absorption and isolation support of suspension bridge |
| CN106087723B (en) * | 2016-08-10 | 2018-09-28 | 山东省交通规划设计院 | Use the vibration absorption and isolation support of flabellum shape steel damper |
| CN106381934B (en) * | 2016-10-26 | 2019-01-04 | 清华大学 | Three-dimensional shock isolation support |
| CN106835960A (en) * | 2017-02-09 | 2017-06-13 | 成都启立辰智科技有限公司 | Shock-absorbing bridge support |
| CN106836929B (en) * | 2017-02-23 | 2022-08-26 | 同济大学 | Tensile limiting device for shock insulation layer of friction pendulum support |
| CN107816146B (en) * | 2017-11-14 | 2023-10-10 | 中国地震局工程力学研究所 | Nonlinear energy trap shock absorber based on filtering |
| CN109056515B (en) * | 2018-09-13 | 2024-01-02 | 北京城建十六建筑工程有限责任公司 | Damping support |
| CN110130500A (en) * | 2019-05-31 | 2019-08-16 | 天津大学 | A kind of air spring-friction pendulum multidimensional shock insulation support |
| CN112878501A (en) * | 2019-11-29 | 2021-06-01 | 中冶(上海)钢结构科技有限公司 | Device suitable for sliding connection of steel structure and concrete structure |
| CN111877137B (en) * | 2020-07-16 | 2021-09-07 | 重庆交通大学 | Anti-seismic bridge pier structure |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09324834A (en) * | 1996-06-03 | 1997-12-16 | Sekisui Chem Co Ltd | Base isolation device |
| CN100467728C (en) * | 2007-05-21 | 2009-03-11 | 北京工业大学 | Vertically pulling-resistant type friction pendulum support |
| CN201901843U (en) * | 2010-12-20 | 2011-07-20 | 李晓东 | Pulling-resistant type triple-friction swinging type shock insulation support |
| CN203741993U (en) * | 2014-03-11 | 2014-07-30 | 株洲时代新材料科技股份有限公司 | Friction pendulum type seismic isolation support provided with anti-drawing devices |
| CN203866970U (en) * | 2014-06-05 | 2014-10-08 | 南京工业大学 | Friction pendulum support with annular steel plate |
| CN204676415U (en) * | 2015-05-07 | 2015-09-30 | 河海大学 | A kind of three-dimensional shock isolation support |
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2015
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