CN104763071A - Lead shear damper with limiting function - Google Patents
Lead shear damper with limiting function Download PDFInfo
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- CN104763071A CN104763071A CN201510194051.7A CN201510194051A CN104763071A CN 104763071 A CN104763071 A CN 104763071A CN 201510194051 A CN201510194051 A CN 201510194051A CN 104763071 A CN104763071 A CN 104763071A
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- side shield
- cover plate
- lower side
- plumbous
- dividing plate
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- Vibration Dampers (AREA)
Abstract
A lead shear damper with a limiting function comprises an upper cover plate, a lower cover plate, upper side baffles, lower side baffles, partition plates, pins and a lead body, wherein multiple connecting bolt holes are formed in the upper cover plate and the lower cover plate, the two sides of the upper cover plate and the lower cover plate are each provided with one side baffle, gaps are reserved between the upper side baffles and the lower side baffles, the multiple rectangle steel partition plates are arranged between the upper cover plate and the lower cover plate, the partition plates are connected with the side baffles through the pins to form a box-type cavity which is internally provided with unit spaces, and the cavity is filled with molten lead liquid to form the lead body; connecting lines among pin hole centers of the partition plates, and the upper side baffles and lower side baffles are parallel to the cover plate faces. According to the lead shear damper with the limiting function, the structure is simple, the manufacturing cost is low, the manufacture is easy, the composite energy dissipation capacity is strong, and the functions of strengthening the damping effect and shear limiting are achieved.
Description
Technical field
The invention belongs to civil engineering antidetonation and field of shock absorption, particularly a kind of Metallic damper.
Background technology
Have good Hysteresis Behavior after metal yield, metallic yield damper is then the various forms elastoplasticity hysteresis distortion power consumption utilizing some metal to have, and belongs to the one of elastoplasticity energy consumer, comprises ringmild steel energy dissipator, plumbous energy consumer etc.Axial surrender type, shear yielding type, bending surrender type and torque yield type damper can be divided into from stress form.Damper product common at present has: X-type and triangle damper, shearing-type mild steel damper, torsion beam energy consumer, bent beam energy consumer, U-shaped steel plate damper, rod iron energy consumer, Behavior of Circular Ring Energy Dissipator, Behavior of Circular Ring Energy Dissipator etc. of putting more energy into.Relative to the damper such as fluid linking damper, viscoelastic damper, metal damper has the plurality of advantages such as easy processing, easy care, hysteretic energy ability are stable, and what be therefore widely used in engineering structures subtracts shock insulation field.
Wherein, plumbous energy consumer makes full use of lead to have the features such as fusing point is low, plasticity good, intensity is low, corrosion-resistant, lubricating ability is strong, simultaneously owing to having higher ductility and flexibility, so a large amount of energy can be absorbed in deformation process, and there is stronger deformation tracking ability, and by dynamic recovery and recrystalline process, its structure and properties also can return to the state before distortion.Therefore lead damper has that application life is unrestricted, the damping that provides reliable, do not need the advantages such as maintenance in displacement sensitive, simple structure, work.
The all metal damper of steel lead combination has that recoverable deformation is large, damping capacity is strong and durability, corrosion resistance, the advantage such as anti-fatigue performance is good, operating temperature range is large and maintenance cost is low.
State Intellectual Property Office discloses the application for a patent for invention (publication number: 201696540) of one " shearing-extruding composite lead damper " on January 5th, 2011, technical scheme disclosed in this patent application is: by lead both sides with the dividing plate of hemispherical projections and lateral sheet constraint, common iron and plumbous and a small amount of mild steel is used to make, energy dissipation capacity is higher, but complex manufacturing technology, inner plumbous body is by lateral sheet constraint, restraint forces is little, inner plumbous body is subject to the extrusion side bulging of dividing plate and projection and reduces energy dissipation capacity, and does not have limit function.
State Intellectual Property Office discloses the utility application (publication number: 101225679) of one " shearing type lead damper " on July 23rd, 2008, technical scheme disclosed in this patent application is: being placed on by lead can in the groove between the cover plate of parallel sliding and slide plate, utilize the shearing dissipation energy of the lead in groove, simple structure, easy to process, but just cut on face at two due to the plumbous body in groove and had shear energy dissipation, energy dissipation capacity is limited, unfavorable heat dissipation is concentrated at shear energy dissipation position, and does not have limit function.
State Intellectual Property Office discloses the application for a patent for invention (publication number: 1693612) of one " lead-tin base-mild steel composite buffer " on November 9th, 2005, technical scheme disclosed in this patent application is: between rectangular steel plates, X-shaped mild steel plate and junction steel plate, fill with plumbous, weld tin-base soft solder between each plate with Effects of Lead Exposure face.The present invention can give full play to Energy dissipating material self performance, also be convenient to change even if lose efficacy, but complex manufacturing technology and use mild steel and make cost higher, and plumbous body is unfettered in side, be vulnerable to the extrusion side bulging of steel plate and reduce energy dissipation capacity, and not there is limit function.
Above plumbous energy consumer utilizes plumbous shearing or extruding power consumption, but it is little to there is plumbous body restraint forces, the side direction that is easily squeezed bulging and reduce energy dissipation capacity, the shortcomings such as power consumption form is single, and does not have limit function.
Summary of the invention
The object of the present invention is to provide the composite energy dissipation device with multiple limit function that a kind of structure is simple, low cost of manufacture, compound energy-dissipating property are high.
The present invention mainly comprises: upper cover plate, lower cover, upper side shield, lower side shield, dividing plate, pin, plumbous body, wherein, upper and lower cover plate is steel flat board, which is provided with some link bolt hole, side shield on one piece is respectively established in the both sides of upper cover plate, all respectively be provided with one piece of lower side shield in the both sides of lower cover, between upper and lower side shield, leave gap delta
1for 1mm ~ 12mm; Each upper and lower side shield one end that is top, lower cover is equipped with some through pin holes, and between upper cover plate and lower cover, be provided with some rectangle steel dividing plates, dividing plate upper and lower side is semi-cylindrical; Gap delta is left between each dividing plate semi-cylindrical end face and upper and lower cover plate
2be 0.5 ~ 3mm, the spacing between each dividing plate is 10 ~ 30mm, and side, each dividing plate two ends is provided with the pin hole corresponding with upper and lower side shield, is connected by upper and lower side shield with pin with dividing plate, bulkhead sides and upper and lower side shield gap delta
3be 0.5 ~ 3mm, have the box-like body cavity of unitary space in forming one, in cavity, inject molten lead liquid form plumbous body; Line is all parallel with cover plate face in the heart with in each pin hole of upper and lower side shield for dividing plate.
Energy consumer is connected to the position that structure can produce relative displacement, when structure is subject to high wind or large shake effect, energy consumer bears shear action and consumed energy, provides damping, effectively reduces the dynamic response of agent structure; When structure shear displacement is larger, cut distortion due to the plumbous body in inside and be but subject to side shield extruding constraint to lateral expansion, energy consumer shearing rigidity is strengthened, comparatively large rigidity is provided to structure, and this facilitation phenomenon can increase along with shear displacemant and strengthen, and makes energy consumer can play great damping limit function.
Needed for operating mode, adjustment energy consumer relevant parameter (as: energy consumer height, plumbous body length, width, highly, sheet number, side shield thickness, side shield gap length etc.) can obtain different design performance (as: energy consumer yield displacement, bend before rigidity, bend after rigidity, shear spacing displacement etc.).
The present invention compared with prior art tool has the following advantages:
(1) simple structure, draws materials conveniently, cheap, and make easily, power consumption is stable, is easy to normative standard parameter designing, is convenient to quantize to produce and Performance Evaluation.
(2) yield displacement is little, and hysteresis loop is full, and energy consumption is large, has damping and limit function, available protecting agent structure.
(3) utilize shearing simultaneously and extrude the power consumption of multiple energy consume mechanism, belonging to compound power consumption, better can play the energy-dissipating property of wherein plumbous body.
Accompanying drawing explanation
Fig. 1 is that master of the present invention looks simplified schematic diagram.
Fig. 2 is the A-A section simplified schematic diagram of Fig. 1.
Fig. 3 is the side-looking simplified schematic diagram of Fig. 1.
Fig. 4 is limit function simplified schematic diagram of the present invention.
Fig. 5 is the hysteresis loop figure of the embodiment of the present invention.
In figure: side shield, 3 plumbous bodies, 4 dividing plates, 5 times side shields, 6 pins, 7 lower covers, 8 link bolt hole on 1 upper cover plate, 2.
Detailed description of the invention
Have in the plumbous shear energy dissipation device schematic diagram of limit function shown in Fig. 1, Fig. 2 and Fig. 3, upper cover plate 1 and lower cover 7 are steel flat board, be of a size of 200*100*12mm, the link bolt hole 6 of Φ 16 is respectively set in upper and lower cover plate corner, for being connected with agent structure; Respectively establish side shield 2 on a piece in the both sides of upper cover plate, being all respectively provided with one piece of lower side shield, 8, four pieces of side shields in the both sides of lower cover is that steel is dull and stereotyped, and size is 38*120*12mm, leaves spacing δ between upper and lower side shield
1for 4mm; Each upper and lower side shield is top, one end of lower cover establishes a through pin hole of Φ 6 apart from cover plate end 10mm place by the every 27mm of spacing, is welded on by each upper and lower side shield apart from 9mm place, edge, cover plate long limit; Five pieces of rectangular clapboards are provided with between upper cover plate and lower cover, every block dividing plate is steel flat board, be of a size of 80*60*12mm, Φ 6 semi-cylindrical is all processed at the two ends of every block dividing plate, and side, each dividing plate two ends is being provided with the pin hole of Φ 6 degree of depth 15mm corresponding with upper and lower side shield apart from 9mm place, end; Gap delta between each dividing plate semi-cylindrical end face and upper and lower cover plate
2for 1mm, each bulkhead sides and side shield gap delta
3for 1mm; Connected with dividing plate by upper and lower side shield with pin, line is all parallel with cover plate face in the heart with in each pin hole of upper and lower side shield for dividing plate, and at cover plate, to form four sizes between side shield and each dividing plate be the unitary space of 15*80*60mm; Gap caulking agent between being connected by each plate clogs, and the 99.9% commercial lead liquid melted is injected by the gap of upper and lower side shield, treats that namely its solidification forms plumbous body.
As shown in Figure 4, D is energy consumer shear displacemant, and according to above-mentioned design data, the plumbous height H of energy consumer is 82mm, leaves spacing δ between upper and lower side shield
1for 4mm, pin center is to the distance δ of lid surface
4for 11mm; When shear displacemant D reaches
time, because upper and lower side shield gap disappears, energy consumer can not continue to produce shear strain, and energy consumer and connector thereof will provide very large lateral support for agent structure, reach the limit function of limiting structure lateral displacement.
As shown in Figure 5, carry out position control to obtained energy consumer and back and forth shear load test, energy consumer hysteresis loop is stable and full, and it is obvious to increase rigidity facilitation phenomenon with shear displacemant, and the compound energy dissipation capacity of whole energy consumer is significantly improved.
Claims (5)
1. one kind has the plumbous shear energy dissipation device of limit function, mainly comprise: upper cover plate, lower cover, upper side shield, lower side shield, dividing plate, pin, plumbous body, it is characterized in that: on described, lower cover is steel flat board, which is provided with some link bolt hole, side shield on one piece is respectively established in the both sides of upper cover plate, one piece of lower side shield is all respectively provided with in the both sides of lower cover, on, gap is left between lower side shield, on each, lower side shield is top, one end of lower cover is equipped with some through pin holes, some rectangle steel dividing plates are provided with between upper cover plate and lower cover, side, each dividing plate two ends is provided with upper, the pin hole that lower side shield is corresponding, with pin by upper, lower side shield connects with dividing plate, the box-like body cavity of unitary space is had in forming one, in cavity, inject molten lead liquid form plumbous body, line is all parallel with cover plate face in the heart with in each pin hole of upper and lower side shield for dividing plate.
2. the plumbous shear energy dissipation device with limit function according to claim 1, it is characterized in that: described dividing plate upper and lower side is semi-cylindrical, the spacing between each dividing plate is 10 ~ 30mm, and described divider ends and upper and lower cover sheet separation are 0.5 ~ 3mm.
3. the plumbous shear energy dissipation device with limit function according to claim 1, is characterized in that: described bulkhead sides and upper and lower side shield gap are 0.5 ~ 3mm.
4. the plumbous shear energy dissipation device with limit function according to claim 1, is characterized in that: upper gap between side shield and lower side shield is 1mm ~ 12mm.
5. the plumbous shear energy dissipation device with limit function according to claim 1, is characterized in that: needed for operating mode, can be realized the design performance of energy consumer by the relevant parameter adjusting energy consumer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194051.7A CN104763071B (en) | 2015-04-22 | 2015-04-22 | Lead shear damper with limiting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510194051.7A CN104763071B (en) | 2015-04-22 | 2015-04-22 | Lead shear damper with limiting function |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104763071A true CN104763071A (en) | 2015-07-08 |
| CN104763071B CN104763071B (en) | 2017-02-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510194051.7A Expired - Fee Related CN104763071B (en) | 2015-04-22 | 2015-04-22 | Lead shear damper with limiting function |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1594908A (en) * | 2004-06-30 | 2005-03-16 | 大连理工大学 | Double-X type flexible steel damper |
| CN1683804A (en) * | 2005-03-11 | 2005-10-19 | 广州大学 | Steel-lead combined energy comsuming device |
| CN1693612A (en) * | 2005-06-20 | 2005-11-09 | 北京工业大学 | Lead-tin base-mild steel composite buffer |
| WO2007071066A1 (en) * | 2005-12-22 | 2007-06-28 | Motioneering Inc. | Long period pendulum arrangement |
| CN101225679A (en) * | 2008-02-01 | 2008-07-23 | 北京工业大学 | Shearing type lead damper |
| CN201696540U (en) * | 2010-02-08 | 2011-01-05 | 燕山大学 | Shear-extrusion composite lead damper |
| CN202090456U (en) * | 2011-05-18 | 2011-12-28 | 北京工业大学 | Limited lead shear damper |
| CN202265917U (en) * | 2011-09-20 | 2012-06-06 | 北京工业大学 | Multi-groove lead shear damper |
| CN203129354U (en) * | 2013-02-07 | 2013-08-14 | 上海赛弗工程减震技术有限公司 | Steel plate damping wall for energy dissipation and shock absorption |
-
2015
- 2015-04-22 CN CN201510194051.7A patent/CN104763071B/en not_active Expired - Fee Related
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1594908A (en) * | 2004-06-30 | 2005-03-16 | 大连理工大学 | Double-X type flexible steel damper |
| CN1683804A (en) * | 2005-03-11 | 2005-10-19 | 广州大学 | Steel-lead combined energy comsuming device |
| CN1693612A (en) * | 2005-06-20 | 2005-11-09 | 北京工业大学 | Lead-tin base-mild steel composite buffer |
| WO2007071066A1 (en) * | 2005-12-22 | 2007-06-28 | Motioneering Inc. | Long period pendulum arrangement |
| CN101225679A (en) * | 2008-02-01 | 2008-07-23 | 北京工业大学 | Shearing type lead damper |
| CN201696540U (en) * | 2010-02-08 | 2011-01-05 | 燕山大学 | Shear-extrusion composite lead damper |
| CN202090456U (en) * | 2011-05-18 | 2011-12-28 | 北京工业大学 | Limited lead shear damper |
| CN202265917U (en) * | 2011-09-20 | 2012-06-06 | 北京工业大学 | Multi-groove lead shear damper |
| CN203129354U (en) * | 2013-02-07 | 2013-08-14 | 上海赛弗工程减震技术有限公司 | Steel plate damping wall for energy dissipation and shock absorption |
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| Publication number | Publication date |
|---|---|
| CN104763071B (en) | 2017-02-01 |
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| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xin Yajun Inventor after: Wang Jun Inventor after: Tie Rui Inventor after: Du Shunyu Inventor after: Cheng Shuliang Inventor after: Li Huijian Inventor before: Xin Yajun Inventor before: Du Shunyu Inventor before: Cheng Shuliang Inventor before: Li Huijian |
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| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170201 Termination date: 20210422 |