CN107023208B - Anti-buckling support - Google Patents
Anti-buckling support Download PDFInfo
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- CN107023208B CN107023208B CN201710348623.1A CN201710348623A CN107023208B CN 107023208 B CN107023208 B CN 107023208B CN 201710348623 A CN201710348623 A CN 201710348623A CN 107023208 B CN107023208 B CN 107023208B
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- inner core
- energy consumption
- outer sleeve
- consumption inner
- torsionspring
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/023—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising rolling elements, e.g. balls, pins
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
Anti-buckling support, belong to building field of shock absorption, inner core deformation energy consumption is relied primarily on for solving existing anti-buckling support, cause inner core ineffective too early in earthquake, replacement and maintenance cost are high, the problem of without self-resetting capability, has technical point that energy consumption inner core quilt cover connects installation in the space between the inner wall of the part constraint outer sleeve corresponding with the part inside constraint outer sleeve and reverses anti-unstability device.Effect is: anti-unstability device is reversed in installation, and energy consumption inner core xial feed is undertaken and is scattered in spring twisted planar and undertakes, to, so that inner core replacement frequency reduces, reduce maintenance cost a possibility that greatly reducing energy consumption inner core energy consumption burden, reduce inner core unstability.
Description
Technical field
The invention belongs to build field of shock absorption, it is related to a kind of anti-buckling support.
Background technique
Traditional civil engineering structure support mainly has: the support shape such as accentric support, energy-consumption angle brace, energy consumption frame support
Formula, most of supports mainly by deforming come earthquake energy, achieve the purpose that mitigate the effect of earthquake bring.Due to structure
Component has plastoelastic characteristic, these energy dissipation braces inevitably occur some damages, deformation, are unfavorable for the consumption of energy
It dissipates, has an impact to the stability of building.
Energy-dissipating and shock-absorbing technology is mainly: by adding passive energy-consuming device in original structure, consuming originally by structure structure
The seismic energy of part consumption slows down significantly and deforms and damage to structure bring because of shock effect.Current developed energy consumption
Device mainly has: viscous damper, viscoelastic damper, Metallic damper and friction energy dissipation device, wherein preceding two class is known as speed phase
Pass type energy consumer, rear two class are referred to as hysteresis type energy consumer, and Metallic damper is divided into lead damper and mild steel damper again.
Hysteresis type energy consumer is to consume energy using deformation and hysteresis, and speed relationship type energy consumer is using related with speed
Viscosity resistant function, variation from small amplitude to large amplitude obtain damping force.
Anti-buckling support (Buckling Restrained Brace, BRB) is that one kind is considered to have future support energy consumption
The shortcomings that form, anti-buckling support overcomes traditional support buckling.With full hysteresis loop under earthquake load, therefore
Excellent energy dissipation capacity and good anti-seismic performance are shown in, have obtained great popularization in some developed countries.It is anti-to bend
Bent supporting member is made of inner core component and peripheral constraint component two parts, and under geological process, inner core component takes the lead in entering and bend
Clothes play the role of protecting main body frame, and the seismic energy that can dissipate.The excellent of support and energy consumption is had both in anti-buckling support
Performance can be used as best one of shock-damping energy-dissipating device.Forefathers are but big to anti-buckling supporting base end portion additional friction damper
After shake, the support of additional friction damper is not easy to disassemble due to buckling;Replacement frequency and maintenance cost are high.
Summary of the invention
In order to solve it is existing it is anti-buckling support rely primarily on inner core deformation energy consumption cause inner core that may lose too early in earthquake
It goes to act on, and inner core, due to outer constraint, destabilization problems are likely to occur, replacement and maintenance cost are high, do not have runback
The problem of capability, the present invention the following technical solutions are proposed: a kind of anti-buckling support, including energy consumption inner core, baffle, connecting plate and
Outer sleeve is constrained, constraint housing barrel cover is connected to the periphery of energy consumption inner core, and the both ends of energy consumption inner core extend outward constraint housing
Cylinder, and is connected on connecting plate by baffle, and constraint outer sleeve has one group of opposite and parallel horizontal interior wall, energy consumption inner core and its
In parallel, energy consumption inner core quilt cover connects between the inner wall of the part constraint outer sleeve corresponding with the part inside constraint outer sleeve
Anti- unstability device is reversed in installation in space.
Further, the anti-unstability device of torsion includes torsionspring, limiting card and guiding iron staff, the guiding iron staff
Run through energy consumption inner core on the axial direction perpendicular to energy consumption inner core, and be fixed in energy consumption inner core, iron core is exposed described
Two sides in space are covered by torsionspring to be connect thereon, and the spring arm of force of connection torsionspring ontology is limited card limit respectively and is turning round
Turn the upper and lower two sides of the twisted planar formed when spring torsion.
Further, the described anti-unstability device of torsion be mounted on energy consumption inner core quilt cover connect inside constraint outer sleeve two
The part of end and the part at the both ends it is corresponding constraint outer sleeve inner wall between space in.
Further, the energy consumption inner core is the cuboid of strip, is plugged on the constraint housing that shape is long cylinder rectangle
The central location between two horizontal interior walls inside cylinder, the iron staff is through energy consumption inner core and symmetrical, the torsion in two sides
The restraining position of spring attachment positions and its spring arm of force is symmetrical centered on by perforative energy consumption inner core.
Further, the torsionspring of marmem by being made.
Further, the torsionspring is by helical spring and to be connected to the arm of force at helical spring both ends and form.
The utility model has the advantages that anti-unstability device is reversed in installation, energy consumption inner core xial feed is undertaken and is scattered in spring twisted planar
It undertakes, on the one hand, greatly reduce energy consumption inner core energy consumption burden, reduce inner core unstability, so that inner core replacement frequency reduces, reduce dimension
Protect cost;On the other hand, so that spring becomes energy consumption main body, torsionspring twisting resistance is made full use of, more to load ability to take the burden
Strong and spring is not easy unstability;Another aspect can carry out the deformation of inner core using twisting resistance while torsionspring consumes energy
Correction, further increase energy consumption inner core uses the time, is provided with the self-resetting capability of support.
Detailed description of the invention
Fig. 1 is the outside drawing of anti-buckling support.
Fig. 2 is sectional view at the 1-1 of Fig. 1.
Fig. 3 is sectional view at the 2-2 of Fig. 1.
Wherein: 1. energy consumption inner cores, 2. torsionsprings, 3. guiding iron staffs, 4. limiting cards, 5. baffles, 6. connecting plates, 7. constraints
Outer sleeve.
Specific embodiment
Embodiment: a kind of anti-buckling support, including energy consumption inner core 1, baffle 5, connecting plate 6 and constraint outer sleeve 7, constraint are outer
Sleeve 7 covers the periphery for being connected to energy consumption inner core 1, and the both ends of energy consumption inner core 1 extend outward constraint outer sleeve 7, and are connected by baffle 5
It connects on connecting plate 6, constraint outer sleeve 7 has one group of opposite and parallel horizontal interior wall, and energy consumption inner core 1 is in parallel, energy consumption
1 quilt cover of inner core connects in the space between the inner wall of the part constraint outer sleeve 7 corresponding with the part inside constraint outer sleeve 7
Anti- unstability device is reversed in installation.The energy consumption inner core of the part, for tool there are two side, each side is corresponding to constrain the interior of outer sleeve
Anti- unstability device is reversed in installation between one side of wall, i.e. horizontal interior wall, i.e. a horizontal interior wall and an energy consumption inner core;The torsion
Turning anti-unstability device includes torsionspring 2, limiting card 4 and guiding iron staff 3, and the guiding iron staff 3 is perpendicular to energy consumption inner core 1
Run through energy consumption inner core 1 on axial direction, and be fixed in energy consumption inner core 1, the exposed two sides in the space of iron core are by turning round
Turn spring 2 cover connect thereon, connection 2 ontology of torsionspring the spring arm of force be limited respectively card 4 limit torsionspring 2 torsion when
The inner wall of the constraint outer sleeve 7 of the upper and lower two sides of the twisted planar of formation.
In one embodiment, the anti-unstability device of the torsion is mounted on 1 quilt cover of energy consumption inner core and connects in constraint outer sleeve 7
In space between the inner wall of the part at internal both ends constraint outer sleeve 7 corresponding with the part at the both ends, You Shangyi
Embodiment could be aware that nearby space all has the possibility for installing energy consumption unstability device to entire energy consumption inner core, however, practicing
In, it has been found that it is more proximate to the initial position of load transmission, and corresponds to the end position of position in fact, i.e. energy consumption inner core
Space near two terminals forms twisted planar using torsionspring, needs the correction demand to energy consumption inner core stronger, and
And two positions are grasped, it can start to correct in source, not make displacement transfer, as far as possible so as to further decrease
The section of deformation inhibits the ability of deformation stronger.
Further, in general, energy consumption inner core is understood some and is in outside constraint outer sleeve, should be partially due to straight
Connect it is exposed, compare in constraint outer sleeve inside energy consumption inner core, due to it is unfettered and support, it is more weak, easily occur break
It is bad.Using anti-unstability device is reversed, guiding iron staff therein is combined with the limit of torsionspring, so that the displacement of the lines of energy consumption inner core
It is changed into angular displacement, also, reverses anti-unstability device and be in end nearby (being close to exposed energy consumption inner core part), to makes
Iron staff must be oriented to can form frame in the exposed energy consumption inner core part, have certain supporting role, and reversed
The twisting resistance of spring greatly reduces movement (rock and swing) of the exposed part under load effect on the basis of support,
So as to shorten to join domain range, the program realizes the purpose for preventing unstability.
In this embodiment, the energy consumption inner core 1 is the cuboid of strip, is plugged on the pact that shape is long cylinder rectangle
In 7 inside of beam outer sleeve, and central position is essentially in two horizontal interior walls, the iron staff is through energy consumption inner core 1 and is in
Two sides are symmetrical, and the restraining position of 2 installation site of torsionspring and its spring arm of force is centered on by perforative energy consumption inner core 1
And it is symmetrical.Central symmetry setting, so that the reaction force of two twisted planars is more consistent, for distortion correction, and torsion
The equal better effect of plane energy consumption.
In one embodiment, the torsionspring of marmem by being made.The torsionspring is served as reasons
Helical spring and the arm of force composition for being connected to helical spring both ends.The super elastic characteristics of marmem and other common gold
Category material, which is compared, to be had many advantages: the fatigue properties of super elastic shape memory alloy first are fine, and in other materials circulation not
It damages avoidablely, influences the service life;Secondly marmem recoverable strain value is very big, and ordinary metallic material is difficult to reality
Existing;Finally, due to which Ovshinsky bulk modulus is greater than geneva bulk modulus, shape memory alloy elastic modulus is increased with temperature
And increasing (opposite with common metal), this makes it still keep high elastic modulus at relatively high temperatures.Therefore, shape memory is utilized
Alloy can be fabricated to the spring section of the device.
Anti-buckling support described in above-mentioned each example, under geological process, energy consumption inner core is come by from building transmitting
Load, energy consumption inner core is deformed, and energy consumption inner core drives torsionspring to deform by the guiding iron staff being fixed thereon, and reverses bullet
Spring planar generates torque, and torsionspring is limited in the upper and lower two sides of the twisted planar formed when torsionspring torsion, turns round
The torsion for turning spring drives energy consumption inner core to result from the opposite movement of deformation direction, makes shape of the energy consumption inner core to nature when
And position is replied.
Anti-buckling support in each example as a result, in order to mitigate vibration to structure function, for the anti-buckling support of tradition, opposite end
Portion carries out unstability and reinforces design, slows down the impaired of inner core.In the case of seismic events, enabling capabilities are improved.Utilize marmem
It is made into torsionspring, device is anti-buckling support energy consumption inner core, torsionspring, outer sleeve upper limit card co-operation, is made
It slows down the impaired of inner core with certain runback bit function.Torsionspring belongs to helical spring, and the end of torsionspring is fixed
To other assemblies, when other assemblies are rotated around spring center, which retracts initial position for them, generates torque or rotation
Turn power.Torsionspring can store with separation angle energy or by fixing a certain dress around the spring body middle shaft rotation arm of force with static state
It sets.Limiting card can limit torsionspring position, can play the role of fixed spring, while can also play limitation bonding material
The effect of material, inner core.The device is simple to operation can be connected by way of assembling, convenient disassembly and after facilitating shake
Reparation and daily maintenance.
Under geological process, energy consumption inner core will receive the load come from building transmitting, and inner core can be deformed, inner core
Torsionspring deformation is driven, torque, torsion with higher are planar generated.Due to the presence of inner core limit card slot, generate
Torsion will drive inner core movement, so that it is returned to original position, therefore device has runback bit function.Structure is by earthquake
When effect, no matter end makes to realize Self-resetting by the restoring force of torsionspring in compression or tension, in reduction
The compressive deformation of core improves energy dissipation capacity and also ensures monolithic stability after inner core surrender, do not influence normally to support.
The preferable specific embodiment of the above, only the invention, but the protection scope of the invention is not
It is confined to this, anyone skilled in the art is in the technical scope that the invention discloses, according to the present invention
The technical solution of creation and its inventive concept are subject to equivalent substitution or change, should all cover the invention protection scope it
It is interior.
Claims (5)
1. a kind of anti-buckling support, including energy consumption inner core (1), baffle (5), connecting plate (6) and constraint outer sleeve (7), constraint are outer
Sleeve (7) covers the periphery for being connected to energy consumption inner core (1), and the both ends of energy consumption inner core (1) extend outward constraint outer sleeve (7), and
It is connected on connecting plate (6) by baffle (5), constraint outer sleeve (7) has one group of opposite and parallel horizontal interior wall, energy consumption inner core
(1) in parallel, energy consumption inner core (1) quilt cover connects part with the part corresponding constraint housing internal in constraint outer sleeve (7)
Anti- unstability device is reversed in installation in space between the inner wall of cylinder (7), the anti-unstability device of torsion include torsionspring (2),
Limiting card (4) and guiding iron staff (3), the guiding iron staff (3) is on the axial direction perpendicular to energy consumption inner core (1) through energy consumption
Inner core (1), and be fixed on energy consumption inner core (1), the exposed two sides in the space of iron core are covered by torsionspring (2) connects it
On, the spring arm of force of connection torsionspring (2) ontology is limited what card (4) limit was formed when torsionspring (2) are reversed respectively
The upper and lower two sides of twisted planar.
2. anti-buckling support as described in claim 1, which is characterized in that the anti-unstability device of the torsion is mounted in energy consumption
Core (1) quilt cover connects the part constraint outer sleeve corresponding with the part at the both ends at the internal both ends of constraint outer sleeve (7)
(7) in the space between inner wall.
3. anti-buckling support as described in claim 1, which is characterized in that the energy consumption inner core (1) is the cuboid of strip,
It is plugged on the central location between two horizontal interior walls of constraint outer sleeve (7) inside that shape is long cylinder rectangle, the iron staff
Through energy consumption inner core (1) and symmetrical in two sides, the restraining position of torsionspring (2) installation site and its spring arm of force is with quilt
It is symmetrical centered on perforative energy consumption inner core (1).
4. anti-buckling support as described in claim 1, which is characterized in that the torsionspring (2) is to be closed by shape memory
Gold is made.
5. anti-buckling support as described in claim 1, which is characterized in that the torsionspring (2) be by helical spring and
It is connected to the arm of force composition at helical spring both ends.
Priority Applications (2)
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CN201710348623.1A CN107023208B (en) | 2017-05-17 | 2017-05-17 | Anti-buckling support |
CN201711358189.1A CN108060814B (en) | 2017-05-17 | 2017-05-17 | The anti-unstability device of the torsion of anti-buckling support |
Applications Claiming Priority (1)
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CN201710348623.1A CN107023208B (en) | 2017-05-17 | 2017-05-17 | Anti-buckling support |
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CN201711358189.1A Division CN108060814B (en) | 2017-05-17 | 2017-05-17 | The anti-unstability device of the torsion of anti-buckling support |
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CN107023208A CN107023208A (en) | 2017-08-08 |
CN107023208B true CN107023208B (en) | 2019-07-19 |
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CN201711358189.1A Active CN108060814B (en) | 2017-05-17 | 2017-05-17 | The anti-unstability device of the torsion of anti-buckling support |
CN201710348623.1A Active CN107023208B (en) | 2017-05-17 | 2017-05-17 | Anti-buckling support |
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CN201711358189.1A Active CN108060814B (en) | 2017-05-17 | 2017-05-17 | The anti-unstability device of the torsion of anti-buckling support |
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CN108952288B (en) * | 2017-05-17 | 2021-01-26 | 大连大学 | Installation method of double-torsion anti-buckling device of buckling-restrained brace |
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Patent Citations (7)
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CN103088932A (en) * | 2011-11-08 | 2013-05-08 | 建研科技股份有限公司 | Anti-buckling friction support |
WO2016130171A1 (en) * | 2015-02-12 | 2016-08-18 | Star Seismic, Llc | Buckling restrained brace and related methods |
CN204570983U (en) * | 2015-04-03 | 2015-08-19 | 河海大学 | The anti-buckling support of slip restricted type assembling |
CN104775539A (en) * | 2015-04-20 | 2015-07-15 | 中南林业科技大学 | Carbon fiber reinforced stirrup and steel plate hoop buckling-restrained energy-dissipation brace |
CN106480990A (en) * | 2016-08-17 | 2017-03-08 | 石飞停 | Compound constant assembled is adjustable association's curvature-prevention support component |
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Publication number | Publication date |
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CN108060814B (en) | 2019-06-25 |
CN107023208A (en) | 2017-08-08 |
CN108060814A (en) | 2018-05-22 |
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