CN103835385A - Metal damper with buckling-prevention devices - Google Patents

Metal damper with buckling-prevention devices Download PDF

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Publication number
CN103835385A
CN103835385A CN201410015951.6A CN201410015951A CN103835385A CN 103835385 A CN103835385 A CN 103835385A CN 201410015951 A CN201410015951 A CN 201410015951A CN 103835385 A CN103835385 A CN 103835385A
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China
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steel plate
buckling device
energy
wasted
buckling
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CN201410015951.6A
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CN103835385B (en
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陈明中
徐继东
李静
黄坤耀
邓文艳
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  • Vibration Prevention Devices (AREA)

Abstract

The invention discloses a metal damper with buckling-prevention devices. The metal damper comprises an energy-consumption steel plate, horizontal connection steel plates arranged above and below the energy-consumption steel plate, flange plates arranged at the two ends of the energy-consumption steel plate, and the buckling-prevention devices arranged on the two sides of the energy-consumption steel plate. The energy-consumption steel plate and the horizontal connection steel plates above and below the energy-consumption steel plate are connected in a welded mode. The energy-consumption steel plate and the flange plates at the two ends of the energy-consumption steel plate are connected in a welded mode. The buckling-prevention devices are arranged on the two sides of the energy-consumption steel plate respectively and are independent from the energy-consumption steel plate, and the buckling-prevention devices are fixed to the flange plates of the metal damper. According to the metal damper with the buckling-prevention devices, the advantage that initial rigidity of the energy-consumption steel plate is large when the interior of the plane of the energy-consumption steel plate is stressed is utilized, the plane of the energy-consumption steel plate can be prevented from buckling outwards in a buckling-prevention manner, the energy-consumption capability and stability of the damper are ensured, the buckling-prevention devices are independent from the energy-consumption steel plate, and damage to the energy-consumption steel plate due to welding stiffening on the energy-consumption steel plate is avoided.

Description

Be provided with the metal damper of anti-buckling device
Technical field
The present invention relates to building engineering structure anti-seismic technology field, specifically, relate to a kind of metal damper that is provided with anti-buckling device.
Background technology
The energy-dissipating and shock-absorbing of building structure refers to suitable energy dissipation component is set in building structure, and energy dissipation component can be made up of supporting members such as energy-consumption shock-absorption device and diagonal brace, body of wall, beam or nodes.Metallic damper is that a kind of energy-dissipating property is superior, simple structure, easy to make, cheap, be easy to the energy-consumption shock-absorption device changed.It both can coordinate shock isolating pedestal or shock isolation system, as power consumption unit or stopping means wherein, again can be separately for building structure as energy-dissipating device, additional damping and rigidity are provided, be therefore with a wide range of applications.
Because metal has good hysteretic characteristic entering after plastic state, and absorb large energy in elastoplasticity hysteresis deformation process, thereby be widely used for manufacturing energy dissipative device dissimilar and structure.Chinese scholars, engineers and technicians have successively been developed polytype Metallic damper, main application at present have X-type, triangle and a perforate shape adding damping and stiffness device.This metalloid energy consumer has good energy-dissipating property, but is the outer stress form of plane due to what adopt, and initial stiffness is less, and in the time that required tonnage is larger, weight, length are also corresponding larger.
To this, can adopt the metal damper of stress form in plane to overcome above-mentioned shortcoming.But in plane easily there is the outer flexing of plane in the Wasted-energy steel plate of stressed metal damper, causes the energy dissipation capacity of damper to decline, unstable properties.
Summary of the invention
The object of the invention is to overcome existing technical deficiency, has proposed a kind of metal damper that is provided with anti-buckling device, the lower defect of initial stiffness when stressed outside easy generation flexing and steel plate plane while having overcome the flat inplane shear of existing steel plate.
The present invention is achieved by the following technical solutions:
A kind of metal damper that is provided with anti-buckling device, comprise Wasted-energy steel plate, be arranged on the level connection joint steel plate of Wasted-energy steel plate upper and lower, be arranged on the frange plate at Wasted-energy steel plate two ends, be arranged on the anti-buckling device of Wasted-energy steel plate both sides, between described Wasted-energy steel plate and upper and lower level connection joint steel plate, adopt and be welded to connect, the frange plate at described Wasted-energy steel plate and two ends adopts and is welded to connect, the both sides of described Wasted-energy steel plate are respectively equipped with anti-buckling device, this anti-buckling device and described Wasted-energy steel plate are separate, this anti-buckling device is fixed on the frange plate of described metal damper.
Further, described anti-buckling device is bolted on the frange plate of damper.
Further, described frange plate is provided with bolt hole, and described anti-buckling device is connected with described metal damper by described bolt hole.
Further, described anti-buckling device comprises base plate, side plate and top board, between base plate and Wasted-energy steel plate, is provided with packing material, between side plate and frange plate, is bolted, and top board can be provided with or not be provided with.
Further, described anti-buckling device can be that an entirety can be also by more than one little anti-buckling installation composition.
Further, between described anti-buckling device and frange plate, leave space, in this space, packing material can be set, this material is rubber, silica gel or other elastomeric materials.
Further, between described anti-buckling device and Wasted-energy steel plate, packing material can be set, this material is rubber, silica gel or other elastomeric materials.
Further, the anti-buckling device level of described Wasted-energy steel plate both sides is arranged in the both sides of described Wasted-energy steel plate in pairs.
Further, the number of the anti-buckling device of described Wasted-energy steel plate both sides, equal highly respectively, and be arranged symmetrically with, the quantity of anti-buckling device can be one, two or polylith.
Further, between the upper and lower side of described anti-buckling device and upper and lower level connection joint steel plate, leave respectively certain space, can packing material in this space, this packing material can be rubber, silica gel or other elastomeric materials.
Further, described Wasted-energy steel plate is rectangle or square.
Structural principle of the present invention: Wasted-energy steel plate is the power consumption parts of damper, and provide the initial stiffness of metal damper, the fixed connection apparatus that described upper and lower level connection joint steel plate is metal damper, guarantees Wasted-energy steel plate upper and lower side generation relative deformation, and is connected with other building structure; The frange plate at Wasted-energy steel plate two ends, prevents that Wasted-energy steel plate from cripling phenomenon occurring before surrender and guarantee to have stable Hysteresis Behavior in the large deformation stage.Easily there is the outer lower defect of initial stiffness when stressed of flexing and steel plate plane when overcoming the flat inplane shear of existing steel plate, metal damper of the present invention is provided with anti-buckling device in Wasted-energy steel plate both sides, and this anti-buckling device can retrain the outer flexing of Wasted-energy steel plate generation plane.
The present invention has the following advantages:
1, utilize the larger advantage of initial stiffness when stressed in Wasted-energy steel plate plane, and prevent the outer flexing of plane of Wasted-energy steel plate by anti-buckling mode, guaranteed energy dissipation capacity and the stability of damper;
2, anti-buckling device is independent of Wasted-energy steel plate, has avoided welding to put more energy on Wasted-energy steel plate Wasted-energy steel plate itself is caused to damage.
Accompanying drawing explanation
Fig. 1 is the normal section structural representation (comprising Fig. 1 a, 1b) of metal damper of the present invention.
Fig. 2 is the generalized section (comprising Fig. 2 a, 2b) of the A-A direction of the metal damper of Fig. 1.
Fig. 3 is the generalized section (comprising Fig. 3 a, 3b) of the B-B direction of the metal damper of Fig. 1.
Fig. 4 is the surface structure schematic diagram of an embodiment of the anti-buckling device of the present invention.
Fig. 5 is the surface structure schematic diagram of anti-buckling another embodiment of device of the present invention.
Fig. 6 is the surface structure schematic diagram of anti-buckling another embodiment of device of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing, embodiments of the invention are elaborated: the present embodiment is implemented under the prerequisite with technical solution of the present invention, provided detailed embodiment and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
Embodiment:
Referring to Fig. 1 and Fig. 2, figure comprises the steel plate of level connection joint up and down 4 being connected with other building structure, between upper and lower level connection joint steel plate 4, it is Wasted-energy steel plate 1, be provided with anti-buckling device 3 in Wasted-energy steel plate 1 both sides, this anti-buckling device 3 is independent of other member of damper, be anti-buckling device 3 except fixing by bolt 6 and frange plate 2, anti-buckling device 3 is not connected with Wasted-energy steel plate 1, anti-buckling device 3 and leave certain space between horizontal connecting plate 4 up and down.In Fig. 1 a, anti-buckling device 3 is as a whole, and in Fig. 1 b, anti-buckling device 3 is little anti-buckling installation compositions identical by three, between these three little anti-buckling devices, has gap in vain.
Fig. 2 is the sectional drawing of Fig. 1 along A-A direction, and Wasted-energy steel plate 1 and upper and lower level connection joint steel plate 4 adopt and be welded to connect, and the two ends of Wasted-energy steel plate 1 are respectively equipped with frange plate 2, between Wasted-energy steel plate 1 and frange plate 2, adopt and are welded to connect.Wasted-energy steel plate 1 adopts rectangle or square, and anti-buckling device 3 is independent of other member of damper, and anti-buckling device 3 is fixed on frange plate 2 by bolt 6.In Fig. 2 a, anti-buckling device 3 is as a whole, and in Fig. 2 b, anti-buckling device 3 is little anti-buckling installation compositions identical by three, between these three little anti-buckling devices, has gap in vain.
Anti-buckling device 3 comprises base plate 31, side plate 32, and end plate 33 has certain space between base plate 31 and Wasted-energy steel plate 1, and packing material is set in space, and this material is rubber, silica gel or other elastomeric materials.Between side plate 32 and frange plate 2, be connected by bolt 6, between side plate 32 and frange plate 2, leave space 5, this space is guarantee under the prerequisite that bolt hole passes can packing material, and this material can be rubber, silica gel or other elastomeric materials.Anti-buckling device 3 in the present embodiment is as a whole, can be also by several little anti-buckling installation compositions, and each little anti-buckling device is made up of foregoing.
The sectional drawing of Fig. 1 along B-B direction referring to Fig. 3, frange plate 2 is provided with bolt hole above, between anti-buckling device 3 and upper and lower horizontal connecting plate 4, leave certain space 5, to adapt to damper in the situation that there is shear strain, the variation that damper occurs in short transverse, this space can packing material, and this material can be rubber, silica gel or other elastomeric materials.In Fig. 3 a, anti-buckling device 3 is as a whole, and in Fig. 3 b, anti-buckling device 3 is little anti-buckling installation compositions identical by three, between these three little anti-buckling devices, has gap in vain.
It is the surface structure schematic diagram of an embodiment of the anti-buckling device of the present invention referring to Fig. 4, this embodiment is an anti-buckling device schematic diagram of monolithic, this anti-buckling device 3 comprises base plate 31, side plate 32, end plate 33, on side plate 32, have bolt hole, end plate 33 adopts and is welded to connect with side plate 32, and side plate 32 is connected and fixed with frange plate 2, thereby anti-buckling device 3 is fixed on to the both sides of Wasted-energy steel plate.
It is the surface structure schematic diagram of anti-buckling another embodiment of device of the present invention referring to Fig. 5, this embodiment is an anti-buckling device schematic diagram with lateral stiffening plate, this anti-buckling device 3 comprises: base plate 31, side plate 32, end plate 33, lateral stiffening plate 34, lateral stiffening plate 34 is parallel and end plate 33 arranges, and between transverse stiffener 34 and side plate 32, is welded to connect.
It is the surface structure schematic diagram of anti-buckling another embodiment of device of the present invention referring to Fig. 6, this embodiment is an anti-buckling device schematic diagram with horizontal and vertical stiffener, this anti-buckling device 3 comprises: base plate 31, side plate 32, end plate 33, lateral stiffening plate 34, vertical stiffening rib 35, lateral stiffening plate 34 is parallel and end plate 33 arranges, and between transverse stiffener 34 and side plate 32, is welded to connect; Vertical stiffener 35 is parallel with side plate 32, between vertical stiffening rib 35 and upper and lower end plate 33, adopts and is welded to connect.
The moulding of the anti-buckling device of metal damper of the present invention can have a variety of, is not limited to the shape in above-mentioned Fig. 4, Fig. 5 and Fig. 6.
More than show and described basic principle of the present invention and principal character and advantage of the present invention.The technician of the industry should understand; the present invention is not restricted to the described embodiments; that in above-described embodiment and manual, describes just illustrates principle of the present invention; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements all fall in the claimed scope of the invention.The claimed scope of the present invention is defined by appending claims and equivalent thereof.

Claims (9)

1. one kind is provided with the metal damper of anti-buckling device, comprise Wasted-energy steel plate, be arranged on the level connection joint steel plate of Wasted-energy steel plate upper and lower, be arranged on the frange plate at Wasted-energy steel plate two ends, be arranged on the anti-buckling device of Wasted-energy steel plate both sides, between described Wasted-energy steel plate and upper and lower level connection joint steel plate, adopt and be welded to connect, the frange plate at described Wasted-energy steel plate and two ends adopts and is welded to connect, it is characterized in that, the both sides of described Wasted-energy steel plate are respectively equipped with anti-buckling device, this anti-buckling device and described Wasted-energy steel plate are separate, and this anti-buckling device is fixed on the frange plate of described metal damper.
2. a kind of metal damper that is provided with anti-buckling device according to claim 1, is characterized in that, described anti-buckling device is bolted on the frange plate of damper.
3. a kind of metal damper that is provided with anti-buckling device according to claim 1, is characterized in that, described frange plate is provided with bolt hole, and described anti-buckling device is connected with described metal damper by described bolt hole.
4. a kind of metal damper that is provided with anti-buckling device according to claim 1, it is characterized in that, described anti-buckling device comprises base plate, side plate and end plate, stiffener, between base plate and Wasted-energy steel plate, leave space, in space, can be provided with packing material, this material is rubber, silica gel or other elastomeric materials, between side plate and frange plate, be bolted, stiffener can be established or not establish.
5. a kind of metal damper that is provided with anti-buckling device according to claim 1, is characterized in that, described anti-buckling device is as a whole or by more than one little anti-buckling installation composition.
6. a kind of metal damper that is provided with anti-buckling device according to claim 1, is characterized in that, between described anti-buckling device and frange plate, leaves space, in this space, packing material can be set, and this material is rubber, silica gel or other elastomeric materials.
7. a kind of metal damper that is provided with anti-buckling device according to claim 1, is characterized in that, between described anti-buckling device and Wasted-energy steel plate, is provided with space, in space, can establish packing material, and this material is rubber, silica gel or other elastomeric material.
8. a kind of metal damper that is provided with anti-buckling device according to claim 1, it is characterized in that, the anti-buckling device level of described Wasted-energy steel plate both sides is arranged in the both sides of described Wasted-energy steel plate in pairs, the anti-buckling device of the every side of described Wasted-energy steel plate can be one, two or polylith formation, and should be arranged symmetrically with.
9. a kind of metal damper that is provided with anti-buckling device according to claim 1, it is characterized in that, between the upper and lower side of described anti-buckling device and upper and lower level connection joint steel plate, leave respectively certain gap, in this gap, packing material can be set, this material is rubber, silica gel or other elastomeric material.
CN201410015951.6A 2013-02-07 2014-01-14 It is provided with the metal damper of anti-buckling device Expired - Fee Related CN103835385B (en)

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CN201410015951.6A CN103835385B (en) 2013-02-07 2014-01-14 It is provided with the metal damper of anti-buckling device

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CN201310049106.6 2013-02-07
CN2013100491066 2013-02-07
CN201310049106 2013-02-07
CN201410015951.6A CN103835385B (en) 2013-02-07 2014-01-14 It is provided with the metal damper of anti-buckling device

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CN103835385B CN103835385B (en) 2017-06-06

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107476631A (en) * 2017-06-09 2017-12-15 中国地震局工程力学研究所 Curved scissors separates control type assembling-type metal damper

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11303451A (en) * 1998-04-20 1999-11-02 Nkk Corp Vibration damping member for construction
WO2006062417A1 (en) * 2004-12-09 2006-06-15 Canbrace Limited Bracing panel
CN102116056A (en) * 2009-12-31 2011-07-06 上海维固工程实业有限公司 Metallic damper
CN202324242U (en) * 2011-11-17 2012-07-11 辽宁省建筑设计研究院 Steel plate damper
CN102644336A (en) * 2012-04-13 2012-08-22 上海赛弗工程减震技术有限公司 Metal damper with restraining devices

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11303451A (en) * 1998-04-20 1999-11-02 Nkk Corp Vibration damping member for construction
WO2006062417A1 (en) * 2004-12-09 2006-06-15 Canbrace Limited Bracing panel
CN102116056A (en) * 2009-12-31 2011-07-06 上海维固工程实业有限公司 Metallic damper
CN202324242U (en) * 2011-11-17 2012-07-11 辽宁省建筑设计研究院 Steel plate damper
CN102644336A (en) * 2012-04-13 2012-08-22 上海赛弗工程减震技术有限公司 Metal damper with restraining devices

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107476631A (en) * 2017-06-09 2017-12-15 中国地震局工程力学研究所 Curved scissors separates control type assembling-type metal damper
CN107476631B (en) * 2017-06-09 2019-12-06 中国地震局工程力学研究所 Bending shear separation control type assembled metal damper

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