CN100558997C - Lead-tin base-mild steel composite buffer - Google Patents
Lead-tin base-mild steel composite buffer Download PDFInfo
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- CN100558997C CN100558997C CN 200510077232 CN200510077232A CN100558997C CN 100558997 C CN100558997 C CN 100558997C CN 200510077232 CN200510077232 CN 200510077232 CN 200510077232 A CN200510077232 A CN 200510077232A CN 100558997 C CN100558997 C CN 100558997C
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Abstract
The invention provides a kind of lead-tin base-mild steel composite buffer, relate to the composite buffer in a kind of damping control system.This damper comprises, under connect steel plate (1), be located at two parallel rectangular steel plates (2) between them, the X-shaped steel plate (3) parallel with rectangular steel plates, the two parallel rectangular steel plates in the side, on the X-shaped steel plate reaches, the lead (4) that pours between the connection steel plate of bottom, be characterised in that, all insert with last at every rectangular steel plates and every X-shaped steel plate two ends, the bottom connects in the corresponding groove of steel plate (7), and utilize space in the welding manner seal groove, weld bolt nail (8) on the contact surface of last lower connecting plate and lead, two parallel rectangular steel plates simultaneously in the side, the X-shaped steel plate and on, weld tin-base soft solder (6) between the contact surface of the connection steel plate of bottom and lead.The present invention constructs easy, and energy dissipation capacity is strong, has given full play to the material self performance, also is convenient to change even lose efficacy.
Description
Technical field
The present invention relates to the composite buffer in a kind of damping control system, belong to the Structural Engineering field.
Background technology
China is many earthquakes country, and the high-rise building of earthquake zone not only needs good building function, and need have good antidetonation shock attenuation performance.And in damping control system, crucial technology is that some dampers are set at some positions, and the good damper of development performance is very crucial.
The plumbous composite energy dissipation device of the built-in X-shaped mild steel plate of utility model patent of the previous application of applicant of the present invention, although can fully utilize two or more Energy Dissipation Mechanism, provide stronger energy dissipation capacity, but they still do not overcome the problem that the structure quality of connection is difficult to guarantee, can not give full play to the material self performance.The plumbous composite energy dissipation device of built-in X-shaped mild steel plate, deficiency is: the welding of mild steel and last lower connecting plate, be difficult to ensure the quality of products, in practical engineering application, become weak link, thereby cause giving full play to the elastic-plastic deformation power consumption effect of mild steel; Two because the institute between the mild steel plate irritates plumbous, is by connecting the mechanical constraint of steel plate and middle mild steel plate up and down, can not guarantee to give full play to the shear strain power consumption effect of lead.
For the ease of applying composite buffer, satisfying under the condition of energy dissipation capacity, need to give full play to the damper of building material performance.
Summary of the invention
Can not give full play to the problem of material self performance in order to overcome the plumbous composite energy dissipation device of built-in X-shaped mild steel plate, the present invention is based on the thought of above " comprehensive utilization different power consumption principle or Mechanism Design novel energy-consumption shock-absorbing device ", " lead-tin base-mild steel composite buffer " proposed, this is a kind of by lead, tinbase, the damper that rectangle and X-shaped steel plate are composited, compare with the plumbous composite energy dissipation device of the built-in X-shaped mild steel plate of previous application, improved the structure connected mode, and increased bond material-tinbase between steel plate and the lead, can bring into play material property plumbous and mild steel so more fully, improve energy dissipation capacity greatly.
The technical scheme that " lead-tin base-mild steel composite buffer " of the present invention adopted is referring to Fig. 1～Fig. 6, comprise, under connect steel plate 1, be located at, connect two parallel rectangular steel plates 2 between the steel plate 1 down, the X-shaped steel plate 3 parallel that between the two parallel rectangular steel plates 2 of side, is provided with rectangular steel plates 2, the two parallel rectangular steel plates 2 in the side, the lead 4 that pours between the connection steel plate 1 of X-shaped steel plate 3 and upper and lower, it is characterized in that: last, the bottom connects steel plate 1 and rectangular steel plates 2, the position that X-shaped steel plate 3 connects is provided with the groove 7 that penetrates steel plate, every rectangular steel plates 2 is all inserted with the upper and lower with every X-shaped steel plate 3 two ends and is connected in the steel plate 1 corresponding groove 7, and utilize space in the welding manner seal groove, the two parallel rectangular steel plates 2 in the side, welding tin-base soft solder 6 on the connection steel plate 1 of X-shaped steel plate 3 and upper and lower and plumbous 4 the contact plate face, form the tin-base soft solder layer, simultaneously weld bolt nail 8 on the contact plate face of last lower connecting plate 1 and plumbous 4.
The thickness of tin-base soft solder 6 is 1～2mm.
The length of bolt nail 8 is 1/10 of plumbous body length, it is 1/2 of bolt nail length that bolt is followed closely 8 diameters, bolt nail 8 is arranged a row at least between per two rectangular steel plates, X-shaped steel plate and per two X-shaped steel plates, it is 1/2 of plumbous body width that the adjacent bolt of every row is followed closely 8 maximum spacings, and minimum number is 3.
The thickness of plumbous body 4 is 0.3 times～0.6 times of its height between the adjacent X-shaped mild steel plate 3.
" lead-tin base-mild steel composite buffer " of the present invention and " the plumbous composite energy dissipation device of built-in X-shaped mild steel plate ", all be to utilize the plasticity of the bending energy-wasting of mild steel damper and lead shear damper this two kinds of principles that consume energy, bring into play the self performance of these two kinds of materials, thereby fully utilized these two kinds power consumption materials.In the plumbous composite energy dissipation device of built-in X-shaped mild steel plate, mild steel, plumbous two kinds of materials obtain easily, and cost is with low cost, and it is simple that structure connects technology.But in the plumbous composite energy dissipation device of built-in X-shaped mild steel plate,, thereby caused the mild steel plate end to form this class shortcoming of weak link prematurely because of the welding quality in the structure connection is difficult to guarantee." lead-tin base-mild steel composite buffer ", be that two rectangle mild steel plates perpendicular to junction plate are arranged between junction plate, between rectangular steel plates, be provided with several X-shaped mild steel plates perpendicular to junction plate, on last lower connecting plate, mill out corresponding groove, the notch that is provided with is convenient to the inner rectangular steel plate, the position of junction plate corresponding groove is inserted in X-shaped mild steel plate end, make mild steel plate and be connected the steel plate mechanical snap up and down, utilize the space of welding manner sealing mild steel plate in connecting board slot then, the end of mild steel plate and being connected of last lower connecting plate have been fixed like this, the mild steel plate end of having avoided causing because of welding quality forms this class shortcoming of weak link prematurely, make the X-shaped mild steel plate realize that really the equal thickness zone surrenders simultaneously, thereby given full play to mild steel plate material energy-dissipating property.By two inner surfaces of two rectangular steel plates with and between connect between the steel plate up and down and two side surfaces welding one deck tin-base soft solders of each X-shaped mild steel plate, to form the tin-base soft solder layer, the intensity of this tin-base soft solder is between mild steel and lead, with mild steel and lead good cementability is arranged all, simultaneously in order further to strengthen being connected between plumbous and the last lower connecting plate, on last lower connecting plate and lead joint touch panel face, weld some nails of the bolt with certain size, after irritating lead, the bolt nail is wrapped in the plumbous body, can guarantee the co-operation performance of lower connecting plate and plumbous body better.Owing between the tin-base soft solder layer, pour into lead, plumbous fusing point is higher than tin-base soft solder, the lead that pours into has higher temperature, in this case, tin-base soft solder reaches upward with plumbous and mild steel, and lower connecting plate bonds together effectively, can guarantee under bigger deformation condition, plumbous and mild steel reaches upward, and lower connecting plate still can have good bonding collaborative work ability, X-shaped mild steel plate, bolt nail all are wrapped in by plumbous body, so form " lead-tin base-mild steel composite buffer ", the i.e. damper that is composited by lead-tinbase-rectangle and X-shaped mild steel plate.The combination of such two kinds of power consumption modes has overcome the more weak shortcoming of single power consumption mode energy dissipation capacity, can significantly improve the energy dissipation capacity of this damper, to guarantee integrally-built safety.
The present invention constructs easy, and energy dissipation capacity is strong, has given full play to the material self performance, and the energy of input structure under the dissipation geological process in the control system of building also was convenient to change even lose efficacy.
Description of drawings
Fig. 1 is the positive elevational schematic view of lead-tin base-mild steel composite buffer, and positive facade and back elevation are identical;
Fig. 2 is the side elevation schematic diagram of lead-tin base-mild steel composite buffer, and two side elevations are identical;
Fig. 3 is the schematic diagram that amplify in the A-A cross section among Fig. 1;
Fig. 4 is the schematic diagram that amplify in the B-B cross section among Fig. 1;
Fig. 5 is the schematic diagram that amplify in C-C or D-D or E-E cross section among Fig. 3;
Fig. 6 is the layout schematic diagram that penetrates notch and bolt nail in the upper and lower junction plate;
The hysteresis loop figure of the power of the connected mode of Fig. 7 prior art and displacement;
The power of Fig. 8 structure connected mode of the present invention and the hysteresis loop figure of displacement;
Among Fig. 1～Fig. 6, lower connecting plate is gone up in 1 expression; 2 expression rectangle mild steel plates; 3 expression X-shaped mild steel plates; 4 expressions are plumbous; 5 expression bolt connecting holes; 6 expression tin-base soft solders; Weld seam in the 7 expression notches; 8 expression bolt nails.
The specific embodiment
Below in conjunction with accompanying drawing the embodiment of the invention is described in further detail:
" lead-tin base-mild steel composite buffer " schematic diagram such as Fig. 1～Fig. 6, between the two parallel rectangular steel plates 2 of side, establish three X-shaped steel plates 3 parallel with rectangular steel plates 2, the notch that penetrates of the connection steel plate 1 that is arranged on the upper and lower is inserted at every steel plate two ends, utilizes welding procedure sealing notch space.Weld bolt nail 8 on junction plate 1 and plumbous 4 contact plate faces.The inner surface separately of two parallel rectangle mild steel plates 2 is welded with tin-base soft solder 6 and forms the tin-base soft solder layer with the surface, inside that connects steel plate 1 up and down between each side of X-shaped steel plate 3 and the two parallel rectangle mild steel plates 2.Pour into lead and form prismatic plumbous body 4 between the connection steel plate 1 of side two parallel rectangular steel plates 2 and upper and lower, ensconce in plumbous 4 in X-shaped mild steel plate 3 and the bolt nail 8, the thickness of plumbous body 4 be its highly 0.4 times between the adjacent X-shaped mild steel plate 3.On the connection steel plate 1 of upper and lower, be equipped with bolt connecting hole 5, so that be connected with two parts under geological process, having mutual changing of the relative positions deformed configurations.Under little shake effect, this composite buffer has enough rigidity and is in the elastic stage collaborative work substantially with the structural entity that this damper is housed; Under the violent earthquake effect, structural two parts are out of shape the mutual changing of the relative positions, and the connection steel plate by the damper upper and lower drags the energy that the damper distortion consumes the earthquake input structure, 1 transfer function power of the connection steel plate of upper and lower, do not participate in power consumption, its effect is to drag lead 4, rectangle mild steel plate 2, X-shaped mild steel plate 3 cooperative transformations, and guarantee its co-operation, mild steel 2 and 3 is mainly by crooked elastic-plastic deformation power consumption, plumbous 4 is main by shearing or the curved scissors plastic deformation energy dissipation, and there is the crimp power consumption to plumbous 4 in mild steel 2 and 3.
For example, if this damper is after being installed in the support of framework, when deck produces relative displacement, ignore the distortion of supporting member, the connection steel plate 1 that the damper upper and lower is provided with produces relative displacement, and mild steel plate 2 and 3 can be by crooked elastic-plastic deformation power consumption at this moment, plumbous 4 can exist the crimp power consumption to plumbous 4 by shearing or the curved scissors plastic deformation energy dissipation between the mild steel plate 2 and 3 and plumbous 4.
Fig. 7 and Fig. 8 are respectively the hysteresis loop comparison diagrams before and after the structure connected mode of composite energy dissipation device is improved, on behalf of displacement, ordinate, abscissa represent power among this two width of cloth figure, the area that curve surrounded, and what of power consumption are this area size reacting, area is big more, and power consumption is just many more.
Except the structure connected mode was different, other situations were all identical, comprise that material selection, physical dimension, mild steel plate arrangement etc. are all identical.
Make has increased by two rectangular steel plates 2 perpendicular to junction plate at first between junction plate, be provided with perpendicular to three X-shaped mild steel plates 3 of junction plate between the rectangular steel plates 2 and be welded between the junction plate 1, pour into lead 4 then between two rectangular steel plates 2, X-shaped mild steel plate 3 is wrapped in by plumbous body.
Improve make: the X-shaped steel plate 3 parallel with rectangular steel plates 2 is set between the two parallel rectangular steel plates 2 of side, what the upper and lower was all inserted at every rectangular steel plates 2 and every X-shaped steel plate 3 two ends is connected steel plate 1 corresponding penetrating in the groove, and utilize space in the welding procedure seal groove, at last lower connecting plate 1 and plumbous 4 contact surface weld bolts nail 8, steel plate 1 medial surface that is connected of two sides of the medial surface separately of two parallel rectangular steel plates 2 and each X-shaped steel plate 3 and upper and lower is welded with tin-base soft solder 6 in the side, form after the tin-base soft solder layer, between the tin-base soft solder layer, pour into plumbous 4 then.
According to Fig. 7, Fig. 8, obtain some major parameters, specifically referring to table 1, as can be seen: after the structure connected mode is improved, the yield load of damper, yield displacement, ultimate load, extreme displacement all have raising in various degree, therefore can prove: improve the structure connected mode, improved the performance of damper greatly, and features simple and practical process.
Hysteresis loop parameter before and after table 1 structure connected mode is improved
Claims (4)
1, lead-tin base-mild steel composite buffer, comprise, under connect steel plate (1), be located at, connect two parallel rectangular steel plates (2) between the steel plate (1) down, the X-shaped steel plate (3) parallel with rectangular steel plates (2) is set between the two parallel rectangular steel plates (2) of side, the two parallel rectangular steel plates (2) in the side, pour into lead (4) between the connection steel plate (1) of X-shaped steel plate (3) and upper and lower, it is characterized in that: last, the bottom connects steel plate (1) and rectangular steel plates (2), the position that X-shaped steel plate (3) connects is provided with the groove (7) that penetrates steel plate, every rectangular steel plates (2) is all inserted with the upper and lower with every X-shaped steel plate (3) two ends and is connected in the corresponding groove of steel plate (1) (7), and utilize space in the welding manner seal groove, the two parallel rectangular steel plates (2) in the side, weld tin-base soft solder (6) on the contact plate face of the connection steel plate (1) of X-shaped steel plate (3) and upper and lower and plumbous (4), form the tin-base soft solder layer, simultaneously weld bolt nail (8) on the contact plate face of last lower connecting plate (1) and plumbous (4).
2, lead-tin base-mild steel composite buffer according to claim 1 is characterized in that: the thickness of tin-base soft solder (6) is 1～2mm.
3, according to the lead-tin base-mild steel composite buffer of claim 1, it is characterized in that: the length of bolt nail (8) is 1/10 of plumbous body length, bolt nail (8) diameter is 1/2 of a bolt nail length, bolt nail (8) is arranged a row at least between per two rectangular steel plates, X-shaped steel plate and per two X-shaped steel plates, the adjacent bolt nail of every row (8) maximum spacing is 1/2 of a plumbous body width, and minimum number is 3.
4, according to the lead-tin base-mild steel composite buffer of claim 1, it is characterized in that: the thickness of plumbous body (4) is 0.3 times～0.6 times of its height between the adjacent X-shaped mild steel plate (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510077232 CN100558997C (en) | 2005-06-20 | 2005-06-20 | Lead-tin base-mild steel composite buffer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510077232 CN100558997C (en) | 2005-06-20 | 2005-06-20 | Lead-tin base-mild steel composite buffer |
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| CN1693612A CN1693612A (en) | 2005-11-09 |
| CN100558997C true CN100558997C (en) | 2009-11-11 |
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| CN 200510077232 Expired - Fee Related CN100558997C (en) | 2005-06-20 | 2005-06-20 | Lead-tin base-mild steel composite buffer |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104763071B (en) * | 2015-04-22 | 2017-02-01 | 燕山大学 | Lead shear damper with limiting function |
| CN106760012A (en) * | 2016-12-19 | 2017-05-31 | 中国地震局工程力学研究所 | A kind of modularization high-damping metal shears hysteresis sinker |
| CN109630592A (en) * | 2019-01-31 | 2019-04-16 | 南京信息工程大学 | A kind of control device inhibiting vibration |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4731966A (en) * | 1985-06-19 | 1988-03-22 | Takafumi Fujita | Vibration energy absorber device |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4731966A (en) * | 1985-06-19 | 1988-03-22 | Takafumi Fujita | Vibration energy absorber device |
Non-Patent Citations (2)
| Title |
|---|
| 组合钢板耗能器. 欧进萍，吴斌.地震工程与工程振动，第17卷第1期. 1997 |
| 组合钢板耗能器. 欧进萍，吴斌.地震工程与工程振动，第17卷第1期. 1997 * |
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| CN1693612A (en) | 2005-11-09 |
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Owner name: CANGZHOU INSTITUTE OF ARCHITECTURAL DESIGN CO., LT Free format text: FORMER OWNER: BEIJING UNIVERSITY OF TECHNOLOGY Effective date: 20121018 Owner name: BEIJING UNIVERSITY OF TECHNOLOGY Effective date: 20121018 |
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Inventor after: Cao Wanlin Inventor after: Tian Baofa Inventor after: Jia Yuanchao Inventor after: Cui Yuguo Inventor after: Xu Linan Inventor after: Lu Zhicheng Inventor after: Zhang Defeng Inventor after: Song Wenyong Inventor before: Cao Wanlin Inventor before: Lu Zhicheng |
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Free format text: CORRECT: ADDRESS; FROM: 100022 CHAOYANG, BEIJING TO: 061000 CANGZHOU, HEBEI PROVINCE Free format text: CORRECT: INVENTOR; FROM: CAO WANLIN LU ZHICHENG TO: CAO WANLIN TIAN BAOFA JIA YUANCHAO CUI YUGUO XULINAN LU ZHICHENG ZHANG DEFENG SONG WENYONG |
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Effective date of registration: 20121018 Address after: 061000 No. 116 West Central Street, Canal District, Hebei, Cangzhou Patentee after: Cangzhou architectural design and Research Institute Co Ltd Patentee after: Beijing University of Technology Address before: 100022 No. 100 Chaoyang District Ping Tian Park, Beijing Patentee before: Beijing University of Technology |
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Granted publication date: 20091111 Termination date: 20120620 |