CN104805908A - Three-dimensional vibration isolation support - Google Patents
Three-dimensional vibration isolation support Download PDFInfo
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- CN104805908A CN104805908A CN201510228638.5A CN201510228638A CN104805908A CN 104805908 A CN104805908 A CN 104805908A CN 201510228638 A CN201510228638 A CN 201510228638A CN 104805908 A CN104805908 A CN 104805908A
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- jigsaw
- friction pendulum
- cambered surface
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- isolation support
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Abstract
The invention discloses a three-dimensional vibration isolation support, which comprises an H-shaped tensile splicing plate, a frame type friction pendulum vibration isolation support and a damping energy consumption device, wherein the H-shaped tensile splicing plate comprises an upper splicing plate, a lower splicing plate and a connecting steel column, and the connecting steel column is arranged between the upper splicing plate and the lower splicing plate; the upper splicing plate is connected with an upper connecting plate; a stainless steel arc-surface slide plate is arranged on the lower splicing plate; the frame type friction pendulum vibration isolation support comprises a friction pendulum base, a friction pendulum type spherical pendulum and a middle splicing plate; the friction pendulum base is connected with a lower connecting plate; a stainless steel arc-surface slide plate is arranged on the friction pendulum base, and the friction pendulum type spherical pendulum is arranged between the two stainless steel arc-surface slide plates; the friction pendulum base is connected with the middle splicing plate through a plurality of steel short columns, the middle splicing plate is arranged between the upper splicing plate and the lower splicing plate, and the damping energy consumption device is arranged between the lower splicing plate and the middle splicing plate. The three-dimensional vibration isolation support has the advantages that the vertical tensile capability and the energy consumption property are improved, the horizontal displacement is increased, and the good self-resetting capability is realized.
Description
Technical field
The present invention relates to a kind of shock isolating pedestal for civil engineering structure, bridge construction, particularly relate to a kind of three-dimensional shock isolation support, belong to civil engineering, technical field of bridge engineering.
Background technology
in design of building structures, 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 ", usually adopt rubber earthquake isolation support as earthquake isolating equipment; Under geological process, may there is larger horizontal movement in building, and the amplitude of existing bearing tolerable injury level displacement is smaller, can not meet the requirement of the large intensity earthquake of the opposing such as building and bridge in engineering practice; The shock isolating pedestal of middle and high layer building needs to bear larger pulling force usually, 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 generally more weak, effectively can not weaken geological process; In addition, after geological process, bearing self-resetting capability is limited, affects it and re-uses, and reduces economy; Therefore, exploitation one can level of isolation geological process, allow larger displacement, also have the three-dimensional shock isolation support of better vertical resistance to tension, 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 invention provides one and there is better vertical resistance to tension and energy-dissipating property, allow the larger displacement of any direction in occurred level face between the reinforcement member that connects, possess again the three-dimensional shock isolation support of better self-resetting capability simultaneously.
The technical solution adopted in the present invention is:
A kind of three-dimensional shock isolation support, comprises I-shaped tension scab, frame friction-pendulum shock-insulation support, damping energy-dissipating device, upper plate, lower plate; Described I-shaped tension scab comprises jigsaw and lower jigsaw; Described upper plate is connected with upper jigsaw upper surface; Described lower jigsaw soffit is provided with stainless steel cambered surface slide plate; Be connected with between the soffit of described upper jigsaw and the upper surface of described lower jigsaw and be connected steel column; Described frame friction-pendulum shock-insulation support comprises 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 stainless steel cambered surface slide plate, and described friction pendulum spheric pendulum is arranged between lower jigsaw stainless steel cambered surface slide plate and friction pendulum base stainless steel cambered surface slide plate; Described friction pendulum base edge position is connected with middle jigsaw by multiple steel short column, 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 with upper and lower jigsaw through through hole; 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 with middle jigsaw by bolt, weld, hinged in any one mode be fixedly connected with; The inscribed circle part of described square friction pendulum base upper surface is cancave cambered surface, and described stainless 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 soffit, and described stainless 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 be fixedly connected with described upper jigsaw upper surface; Described lower plate by bolt, welding, hinged in any one mode be fixedly connected with friction pendulum base lower surface; Described connection steel column and upper and lower jigsaw by bolt, weld, hinged in any one mode be fixedly connected with.
Further, described upper jigsaw and middle jigsaw are square.
Further, described through hole is circular, and described manhole internal diameter is greater than connection 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 to select according to local earthquake protection requirement, building aseismicity.
Further, polytetrafluoroethylmaterial material is scribbled between described stainless steel cambered surface slide plate and friction pendulum spheric pendulum; Friction factor is little, is conducive to friction pendulum spheric pendulum and slides smoothly in the cambered surface of stainless steel cambered surface slide plate; Extending structure natural vibration period, reach damping effect; After earthquake, superstructure deadweight forms restoring force, and three-dimensional shock isolation support is resetted.
Beneficial effect of the present invention is: three-dimensional shock isolation support realizes horizontal reciprocating by the synthesis of upper and lower two cambered surfaces of friction pendulum spheric pendulum and slides, and can meet the larger horizontal relative displacement under the horizontal loading in any direction; Bearing realizes resistance to tension by I-shaped scab and the acting in conjunction of frame friction-pendulum shock-insulation support, the pulling force that Vertical Earthquake Loads produces is delivered to the building of below by bearing from upper component, and further reduce this part pulling force by the damping energy-dissipating device in bearing, possess stronger resistance to tension; Bearing horizontal reciprocating slide or vertical tension displacement time in, the polytetrafluoroethylmaterial material extending structure natural vibration period that slide plane adds, with jigsaw is movable in frame under the drive of friction pendulum spheric pendulum at present, and produce relative displacement with middle jigsaw, extruding damping energy-dissipating device, damping energy-dissipating device deformation consumed energy, possesses good damping effect; In addition, after earthquake, superstructure deadweight forms restoring force, makes bearing possess good 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 three-dimensional shock isolation support of the present invention;
Fig. 3 is for 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, stainless 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 accompanying drawing, concrete introduction is done to the present invention.
Fig. 1 is the schematic front view of three-dimensional shock isolation support of the present invention; Fig. 2 is the sectional view of three-dimensional shock isolation support of the present invention; Fig. 3 is for 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, I-shaped tension scab, frame friction-pendulum shock-insulation support, damping energy-dissipating device, upper plate 11, lower plate 10 is comprised; Described I-shaped tension scab comprises square upper jigsaw 1 and circular lower jigsaw 3; Described upper plate 11 is fixedly connected with upper jigsaw 1 upper surface by bolt 12; Be provided with the cylinder that top is cancave cambered surface in the middle part of described lower jigsaw 3 soffit, described stainless 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; Be connected with by bolt 12 between the soffit of described upper jigsaw 1 and the upper surface of described lower jigsaw 3 and be connected steel column 2; Described frame friction-pendulum shock-insulation support comprises square friction pendulum base 5, friction pendulum spheric pendulum 6, steel short column 7, square middle jigsaw 8; Described lower plate 10 is fixedly connected with square friction pendulum base 5 soffit by bolt 12; Described square friction pendulum base 5 upper surface is provided with stainless steel cambered surface slide plate 4, and described friction pendulum spheric pendulum 6 is arranged between lower jigsaw 3 stainless steel cambered surface slide plate 4 and friction pendulum base 5 stainless 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 stainless 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 fixedly connected with by bolt 12 with middle jigsaw 8 with friction pendulum base 5; Described middle jigsaw 8 is unsettled to be arranged between jigsaw 1 and lower jigsaw 3, and is provided with circular through hole in the middle of described middle jigsaw 8, and described manhole internal diameter is greater than connection steel column 2; Described connection steel column 2 is connected with upper jigsaw 1 and lower jigsaw 3 through through hole; 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 producing relative displacement with middle jigsaw 8, extruding damping energy-dissipating device disk spring 9 deformation consumed energy, reaches damping effect; Can certainly require to select other Energy dissipating material to realize vertical earthquake isolating, tension effect according to local earthquake protection requirement, building aseismicity; Meanwhile, polytetrafluoroethylmaterial material is scribbled between the stainless steel cambered surface slide plate 4 described in the present embodiment and friction pendulum spheric pendulum 6; Friction factor is little, is conducive to friction pendulum spheric pendulum 6 and slides smoothly in the cambered surface of stainless steel cambered surface slide plate 4; Extending structure natural vibration period, reach damping effect; After earthquake, superstructure deadweight forms restoring force, and three-dimensional shock isolation support is resetted.
Above-described embodiment realizes horizontal reciprocating by the synthesis of friction pendulum spheric pendulum 6 in two stainless steel cambered surface slide plates 4 and slides; Wherein, in the present embodiment, the through hole of the middle jigsaw 8 of the connection steel column 2 of I-shaped scab, lower jigsaw 3, frame friction-pendulum shock-insulation support is all circular, the manhole diameter of middle jigsaw 8 is greater than and connects steel column 2 diameter, ensure connection steel column 2 in I-shaped scab can in frame friction-pendulum shock-insulation support jigsaw 8 central authorities through hole in movable; Frame friction-pendulum shock-insulation support four sides are open, spell to pull 3 have activity space in frame under ensureing I-shaped scab; Ensure that the displacement that can realize any level direction between upper component and lower member; In addition, friction pendulum base 5 edge exceeds bottom cancave cambered surface, jointly plays position-limiting action to friction pendulum spheric pendulum 6 with middle jigsaw 8, steel short column 7.
If the manhole diameter on middle jigsaw 8 is D4, the diameter connecting steel column 2 is D1, 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 realizes resistance to tension by I-shaped tension scab and the acting in conjunction of frame friction-pendulum shock-insulation support; Wherein connect steel column 2 and the height of steel short column 7 and the height of damping energy-dissipating device can require according to Practical Project, local building aseismicity requires flexibly selected; When bearing bears Vertical Earthquake Loads, connect the I-shaped tension scab under tension of upper component, by connecting steel column 2 by pull transfer to lower jigsaw 3, and drive lower jigsaw 3 to top offset extruding damping energy-dissipating device, damping energy-dissipating device is squeezed distortion consumed energy, and give middle jigsaw 8 by a part of for remainder pull transfer, middle jigsaw 8 by the steel short column 7 that is arranged on friction pendulum base 5 four jiaos by pull transfer to the friction pendulum base 5 of frame friction-pendulum shock-insulation support, finally pass to bottom building by it; Like this, the pulling force that Vertical Earthquake Loads produces just is delivered to the building of below from upper component, and further reduces this part pulling force by damping energy-dissipating device, achieves the function of three-dimensional shock isolation support tension; Equally, when below friction pendulum base 5 under tension, slacken according to above-mentioned contrary steering handle pull transfer, finally pass to upper building, realize the tension function of three-dimensional shock isolation support.
Upper plate 11 described in the present embodiment is fixedly connected with described upper jigsaw 1 upper surface, described lower plate 10 is fixedly connected with friction pendulum base 5 soffit, the described steel column 2 that is connected is not limited to bolt 12 connected mode with the connected mode that upper jigsaw 1 is fixedly connected with lower jigsaw 3, can also convert other connected mode, as adopted welding, the mode such as hinged connects.
By in above-described embodiment to carrying out relative horizontal movement between the description of the arrangement of the structure of described three-dimensional shock isolation support and each parts and transmitting the process analysis procedure analysis of pulling force, can find out, three-dimensional shock isolation support disclosed in this invention can realize well vertical resistance to tension and energy-dissipating property, allow the larger displacement of any direction in occurred level face between the reinforcement member that connects, possess again better self-resetting capability simultaneously; And the present invention has the little advantage that takes up space, the engineering fields such as building, bridge can be applied in, there is applicability widely.
The above is only the preferred embodiment of patent of the present invention; it should be pointed out that for those skilled in the art, under the prerequisite not departing from patent principle of the present invention; can also make some improvements and modifications, these improvements and modifications also should be considered as the protection domain of patent of the present invention.
Claims (9)
1. a three-dimensional shock isolation support, is characterized in that: comprise I-shaped tension scab, frame friction-pendulum shock-insulation support, damping energy-dissipating device, upper plate, lower plate; Described I-shaped tension scab comprises jigsaw and lower jigsaw; Described upper plate is connected with upper jigsaw upper surface; Described lower jigsaw soffit is provided with stainless steel cambered surface slide plate; Be connected with between the soffit of described upper jigsaw and the upper surface of described lower jigsaw and be connected steel column; Described frame friction-pendulum shock-insulation support comprises 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 stainless steel cambered surface slide plate, and described friction pendulum spheric pendulum is arranged between lower jigsaw stainless steel cambered surface slide plate and friction pendulum base stainless steel cambered surface slide plate; Described friction pendulum base edge position is connected with middle jigsaw by multiple steel short column, 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 with upper and lower jigsaw through through hole; Described damping energy-dissipating device is arranged between lower jigsaw and middle jigsaw.
2. a kind of three-dimensional shock isolation support according to claim 1, is characterized 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 with middle jigsaw by bolt, weld, hinged in any one mode be fixedly connected with.
3. a kind of three-dimensional shock isolation support according to claim 2, it is characterized in that, the inscribed circle part of described square friction pendulum base upper surface is cancave cambered surface, and described stainless steel cambered surface slide plate is welded on bottom described cancave cambered surface, and consistent with radian bottom described cancave cambered surface.
4. a kind of three-dimensional shock isolation support according to claim 1, it is characterized in that, the cross section of described lower jigsaw is circular, and be provided with the cylinder that top is cancave cambered surface in the middle part of described lower jigsaw soffit, described stainless 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.
5. a kind of three-dimensional shock isolation support according to claim 1, is characterized in that, described upper plate by bolt, welding, hinged in any one mode be fixedly connected with described upper jigsaw upper surface; Described lower plate by bolt, welding, hinged in any one mode be fixedly connected with friction pendulum base lower surface; Described connection steel column and upper and lower jigsaw by bolt, weld, hinged in any one mode be fixedly connected with.
6. a kind of three-dimensional shock isolation support according to claim 1, is characterized in that, described upper jigsaw and middle jigsaw are square.
7. a kind of three-dimensional shock isolation support according to claim 1, is characterized in that, described through hole is circular, and described manhole internal diameter is greater than connection steel column.
8. a kind of three-dimensional shock isolation support according to claim 1, is characterized in that, described damping energy-dissipating device is disk spring.
9. a kind of three-dimensional shock isolation support according to any one of claim 1,3,4, is characterized in that, scribbles polytetrafluoroethylmaterial material between described stainless 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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| CN201510228638.5A CN104805908B (en) | 2015-05-07 | 2015-05-07 | A kind of three-dimensional shock isolation support |
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| CN104805908A true CN104805908A (en) | 2015-07-29 |
| CN104805908B CN104805908B (en) | 2016-09-14 |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106049262A (en) * | 2016-07-13 | 2016-10-26 | 山东省交通规划设计院 | Two-way vibration absorption and isolation support suitable for cable-stayed bridge and suspension bridge |
| CN106087723A (en) * | 2016-08-10 | 2016-11-09 | 山东省交通规划设计院 | Flabellum shape steel damper and vibration absorption and isolation support |
| CN106381934A (en) * | 2016-10-26 | 2017-02-08 | 清华大学 | Three-dimensional shock insulation supporting seat |
| CN106835960A (en) * | 2017-02-09 | 2017-06-13 | 成都启立辰智科技有限公司 | Shock-absorbing bridge support |
| CN106836929A (en) * | 2017-02-23 | 2017-06-13 | 同济大学 | A kind of friction pendulum support Seismic Isolation of Isolation Layer tension stopping means |
| CN107816146A (en) * | 2017-11-14 | 2018-03-20 | 中国地震局工程力学研究所 | Nonlinear energy trap damper based on filtering |
| CN109056515A (en) * | 2018-09-13 | 2018-12-21 | 北京城建十六建筑工程有限责任公司 | A kind of shock mount |
| CN110130500A (en) * | 2019-05-31 | 2019-08-16 | 天津大学 | A kind of air spring-friction pendulum multidimensional shock insulation support |
| CN111877137A (en) * | 2020-07-16 | 2020-11-03 | 重庆交通大学 | Anti-seismic bridge pier structure |
| 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 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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| CN109056515A (en) * | 2018-09-13 | 2018-12-21 | 北京城建十六建筑工程有限责任公司 | A kind of shock mount |
| 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 |
| CN111877137A (en) * | 2020-07-16 | 2020-11-03 | 重庆交通大学 | Anti-seismic bridge pier structure |
| CN111877137B (en) * | 2020-07-16 | 2021-09-07 | 重庆交通大学 | Anti-seismic bridge pier structure |
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