CN112780002A - Shear type damping wall with reversely amplified displacement - Google Patents
Shear type damping wall with reversely amplified displacement Download PDFInfo
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- CN112780002A CN112780002A CN202110109439.8A CN202110109439A CN112780002A CN 112780002 A CN112780002 A CN 112780002A CN 202110109439 A CN202110109439 A CN 202110109439A CN 112780002 A CN112780002 A CN 112780002A
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- 238000006073 displacement reaction Methods 0.000 title claims abstract description 69
- 238000013016 damping Methods 0.000 title claims abstract description 31
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 36
- 239000010959 steel Substances 0.000 claims abstract description 36
- 230000003321 amplification Effects 0.000 claims abstract description 33
- 238000003199 nucleic acid amplification method Methods 0.000 claims abstract description 33
- 230000007246 mechanism Effects 0.000 claims abstract description 23
- 238000010008 shearing Methods 0.000 claims abstract description 19
- 239000000463 material Substances 0.000 claims abstract description 15
- 230000008878 coupling Effects 0.000 claims description 10
- 238000010168 coupling process Methods 0.000 claims description 10
- 238000005859 coupling reaction Methods 0.000 claims description 10
- 239000012530 fluid Substances 0.000 claims description 3
- 239000002783 friction material Substances 0.000 claims description 3
- 239000003190 viscoelastic substance Substances 0.000 claims 1
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 8
- 239000013013 elastic material Substances 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
-
- 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)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
本发明提供了一种位移反向放大的剪切型阻尼墙，包括：上连接板，设置在上层楼面梁上，所述上连接板的下表面设有至少两个固定剪切板；位移放大机构，至少一个，所述位置放大机构设置在阻尼器外钢箱内，且每个所述位移放大机构位于两个所述固定剪切板之间，所述位移放大机构的上端通过第一转轴与所述固定剪切板的上端铰接，所述阻尼器外钢箱内填充剪切耗能材料；下连接板。本发明的一种位移反向放大的剪切型阻尼墙，结构简单，当上层楼面梁平动时，层间位移通过位移放大杠杆作用于反向剪切板，所述反向剪切板与固定剪切板反向运动，剪切阻尼器外钢箱内的剪切耗能材料，使得阻尼墙的相对位移和速度增大，从而提高阻尼墙的耗能。
The invention provides a shear-type damping wall with reverse displacement amplification, comprising: an upper connecting plate, which is arranged on the upper floor beam, and at least two fixed shearing plates are arranged on the lower surface of the upper connecting plate; At least one amplifying mechanism, the position amplifying mechanism is arranged in the outer steel box of the damper, and each displacement amplifying mechanism is located between the two fixed shearing plates, and the upper end of the displacement amplifying mechanism passes through the first The rotating shaft is hinged with the upper end of the fixed shearing plate, the outer steel box of the damper is filled with shearing energy-consuming materials; the lower connecting plate is. The shear-type damping wall with reverse displacement amplification of the present invention has a simple structure. When the upper floor beam moves in translation, the inter-story displacement acts on the reverse shear plate through the displacement amplification lever, and the reverse shear plate is connected to the reverse shear plate. The fixed shear plate moves in the opposite direction, shearing the energy-dissipating material in the outer steel box of the damper, increasing the relative displacement and velocity of the damping wall, thereby increasing the energy consumption of the damping wall.
Description
Technical Field
The invention relates to the technical field of energy dissipation and shock absorption for building structures, in particular to a shear type damping wall with reversely amplified displacement.
Background
The damping wall is used as an energy dissipation and shock absorption device, can effectively control the dynamic response of a structure due to stable hysteretic energy consumption, and is widely applied to new construction and earthquake-resistant reinforcement engineering. The current damping wall technique hardly gives play to good power consumption and shock attenuation/effect of shaking under less relative displacement and speed, and current patent is through setting up additional amplifier system, and the displacement that the attenuator was passed to the enlarged structure can solve this problem to a certain extent, but overall efficiency is very low, and is unstable.
Disclosure of Invention
In order to solve the problems, the invention provides a shear type damping wall with reversely amplified displacement, which is simple in structure, when an upper floor beam translates, interlayer displacement acts on a reverse shear plate through a displacement amplification lever, the reverse shear plate and a fixed shear plate move reversely, and shear energy dissipation materials in a steel box outside a damper, so that the relative displacement and the speed of the damping wall are increased, and the energy dissipation of the damping wall is improved.
In order to achieve the above purpose, the invention adopts a technical scheme that:
a displacement reverse amplified shear type damping wall comprising: the upper connecting plate is arranged on the upper floor beam, the lower surface of the upper connecting plate is provided with at least two fixed shearing plates, the fixed shearing plates are parallel to each other, and the lower ends of the fixed shearing plates extend into the outer steel box of the damper; the displacement amplification mechanisms are arranged in the damper outer steel box, each displacement amplification mechanism is positioned between two fixed shear plates, the upper ends of the displacement amplification mechanisms are hinged with the upper ends of the fixed shear plates through first rotating shafts, and the damper outer steel box is filled with shearing energy-consuming materials; and the lower connecting plate is arranged on the lower floor beam, and the outer steel box of the damper is arranged on the lower connecting plate.
Further, every the displacement mechanism of amplifying includes that two at least displacements amplify lever and a reverse shear plate, every the upper end of the lever is amplified in the displacement passes through first pivot with the upper end rotatable coupling of fixed shear plate, every the lower extreme of the lever is amplified in the displacement pass through the second pivot with the top rotatable coupling of reverse shear plate, every the middle part of the lever is amplified in the displacement passes through the fulcrum hub connection, reverse shear plate with fixed shear plate is parallel to each other, reverse shear plate with the inner wall of the outer steel case of attenuator has certain clearance.
Furthermore, the outer steel box of attenuator with be equipped with U type storage tank on the parallel both sides wall of reverse shear plate, be equipped with the through-hole on the fixed shear plate, the one end setting of fulcrum axle is in the U type storage tank of the outer steel box lateral wall of attenuator, the other end of fulcrum axle passes the through-hole of fixed shear plate and the centre bore setting of displacement amplification lever is in the U type storage tank of another lateral wall of the outer steel box of attenuator.
Further, the displacement amplification lever is provided with an upper connecting hole, a middle hole and a lower connecting hole, the middle hole is located between the upper connecting hole and the lower connecting hole, the upper connecting hole is rotatably connected with the first rotating shaft, the middle hole is rotatably connected with the supporting shaft, and the lower connecting hole is rotatably connected with the second rotating shaft.
Further, the axes of the first rotating shaft, the fulcrum shaft and the second rotating shaft are parallel to each other and perpendicular to the fixed shear plate.
Furthermore, the lower surface of the upper connecting plate is provided with three mutually parallel fixed shear plates, and one displacement amplification mechanism is arranged between every two adjacent fixed shear plates.
Further, the fixed shear plate and the upper connecting plate are integrally formed.
Further, the shearing energy dissipation material is at least one of viscous damping fluid, viscous elastic material, soft and rigid material and friction material.
Compared with the prior art, the technical scheme of the invention has the following advantages:
the shear type damping wall with the reversely amplified displacement is simple in structure, when the shear type damping wall is used, the fulcrum shaft is fixed on the side wall of the steel box outside the damper, no displacement occurs, when the upper floor beam translates, interlayer displacement acts on the reverse shear plate through the displacement amplification lever, the reverse shear plate and the fixed shear plate move reversely, and shear energy dissipation materials in the steel box outside the damper, so that the relative displacement and the speed of the damping wall are increased, and the energy dissipation of the damping wall is improved.
Drawings
The technical solution and the advantages of the present invention will be apparent from the following detailed description of the embodiments of the present invention with reference to the accompanying drawings.
FIG. 1 is a schematic diagram of a shear-type damping wall with a reverse displacement amplification according to an embodiment of the present invention;
FIG. 2 is a front view of FIG. 1;
FIG. 3 is a side view of FIG. 2;
FIG. 4 is a cross-sectional view A-A of FIG. 2;
FIG. 5 is a cross-sectional view taken along line B-B of FIG. 3;
FIG. 6 is a structural diagram of a displacement amplification lever according to an embodiment of the present invention;
FIG. 7 is a cross-sectional view of the damper outer steel box filled with an elastic material according to an embodiment of the present invention;
FIG. 8 is a cross-sectional view of the filling of the metal material in the outer steel box of the damper according to one embodiment of the present invention. Reference numbers in the figures:
the device comprises an upper connecting plate 1, a fixed shearing plate 11, a damper outer steel box 2, a 21U-shaped accommodating groove, a first rotating shaft 31, a displacement amplification lever 32, an upper connecting hole 321, a middle hole 322, a lower connecting hole 323, a reverse shearing plate 33, a second rotating shaft 34, a fulcrum shaft 35, a lower connecting plate 4 and a shearing energy-consuming material 5.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment provides a reverse shearing type damping wall that enlargies of displacement, as shown in fig. 1 ~ 5, including upper junction plate 1, displacement mechanism of amplifying, outer steel case 2 of attenuator and lower connecting plate 4, upper junction plate 1 sets up on the upper floor roof beam, the displacement mechanism of amplifying sets up just in the outer steel case 2 of attenuator the displacement mechanism of amplifying with upper junction plate 1 is connected. The lower connecting plate 4 is arranged on a lower floor beam, and the damper outer steel box 2 is arranged on the lower connecting plate 4.
The lower surface of the upper connecting plate 1 is provided with at least two fixed shear plates 11, the fixed shear plates 11 are parallel to each other, and the lower ends of the fixed shear plates 11 extend into the outer steel box 2 of the damper. The fixed shear plate 11 and the upper connecting plate 1 are integrally formed, so that the shearing stability is improved. Preferably, the lower surface of the upper connecting plate 1 is provided with three mutually parallel fixed shear plates 11, and one displacement amplification mechanism is arranged between every two adjacent fixed shear plates 11.
The displacement mechanism of amplifying is at least one, the position mechanism of amplifying sets up in the outer steel case 2 of attenuator, and every the displacement mechanism of amplifying is located two between the fixed shear plate 11, the upper end of displacement mechanism of amplifying is passed through first pivot 31 with the upper end of fixed shear plate 11 is articulated. Every the displacement mechanism of amplifying includes two at least displacement amplification levers 32 and a reverse shear plate 33, every the displacement amplification lever 32 the upper end through first pivot 31 with the upper end rotatable coupling of fixed shear plate 11, every the displacement amplification lever 32 the lower extreme through second pivot 34 with the top rotatable coupling of reverse shear plate 33, every the displacement amplification lever 32 the middle part is passed through fulcrum shaft 35 and is connected, reverse shear plate 33 with fixed shear plate 11 is parallel to each other, reverse shear plate 33 with the inner wall of the outer steel box 2 of attenuator has certain clearance. The number of the stationary shear plate 11 and the counter shear plate 33 may be determined according to the maximum damping force that can be provided by the damper.
As shown in fig. 6, U-shaped receiving grooves 21 are formed in two parallel side walls of the damper outer steel box 2 and the reverse shear plate 33, a through hole is formed in the fixed shear plate 11, one end of the fulcrum shaft 35 is disposed in the U-shaped receiving groove 21 in one side wall of the damper outer steel box 2, and the other end of the fulcrum shaft 35 passes through the through hole of the fixed shear plate 11 and the middle hole 322 of the displacement amplification lever 32 and is disposed in the U-shaped receiving groove 21 in the other side wall of the damper outer steel box 2. The displacement amplification lever 32 is provided with an upper connection hole 321, a middle hole 322 and a lower connection hole 323, the middle hole 322 is located between the upper connection hole 321 and the lower connection hole 323, the upper connection hole 321 is rotatably connected with the first rotating shaft 31, the middle hole 322 is rotatably connected with the supporting shaft 35, and the lower connection hole 323 is rotatably connected with the second rotating shaft 34. The axes of the first rotating shaft 31, the fulcrum shaft 35, and the second rotating shaft 34 are parallel to each other and perpendicular to the fixed shear plate 11.
As shown in fig. 7 to 8, the damper outer steel box 2 is filled with a shearing energy dissipation material 5. Different materials can be selected for shearing energy consumption in the damper outer steel box 2 according to specific conditions, and the shearing energy consumption material 5 is at least one of viscous damping fluid, viscous elastic material, soft and rigid material and friction material.
The above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structures or equivalent processes that are transformed by the content of the present specification and the attached drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. A shear type damping wall with reverse amplification of displacement, comprising:
the upper connecting plate (1) is arranged on the upper floor beam, the lower surface of the upper connecting plate (1) is provided with at least two fixed shear plates (11), the fixed shear plates (11) are parallel to each other, and the lower ends of the fixed shear plates (11) extend into the outer steel box (2) of the damper;
the displacement amplification mechanisms are arranged in the damper outer steel box (2), each displacement amplification mechanism is located between two fixed shear plates (11), the upper ends of the displacement amplification mechanisms are hinged with the upper ends of the fixed shear plates (11) through first rotating shafts (31), and the damper outer steel box (2) is filled with shearing energy-consuming materials (5);
and the lower connecting plate (4) is arranged on the lower floor beam, and the damper outer steel box (2) is arranged on the lower connecting plate (4).
2. The displacement reverse amplifying shear type damping wall as claimed in claim 1, wherein each of the displacement amplifying mechanisms comprises at least two displacement amplifying levers (32) and a reverse shear plate (33), an upper end of each of the displacement amplifying levers (32) is rotatably connected to an upper end of the fixed shear plate (11) through the first rotation shaft (31), a lower end of each of the displacement amplifying levers (32) is rotatably connected to an upper side of the reverse shear plate (33) through the second rotation shaft (34), a middle portion of each of the displacement amplifying levers (32) is connected to a pivot shaft (35), the reverse shear plates (33) and the fixed shear plate (11) are parallel to each other, and the reverse shear plates (33) have a certain gap from an inner wall of the damper outer steel case (2).
3. The shear type damping wall for reverse amplification of displacement according to claim 2, wherein the damper outer steel box (2) and the reverse shear plate (33) are provided with U-shaped receiving grooves (21) on two parallel side walls, the fixed shear plate (11) is provided with through holes, one end of the fulcrum shaft (35) is disposed in the U-shaped receiving groove (21) on one side wall of the damper outer steel box (2), and the other end of the fulcrum shaft (35) passes through the through holes of the fixed shear plate (11) and the middle hole (322) of the displacement amplification lever (32) and is disposed in the U-shaped receiving groove (21) on the other side wall of the damper outer steel box (2).
4. The shear-type damping wall for reverse amplification of displacement according to claim 3, wherein the displacement amplification lever (32) is provided with an upper coupling hole (321), the middle hole (322), and a lower coupling hole (323), the middle hole (322) is located between the upper coupling hole (321) and the lower coupling hole (323), the upper coupling hole (321) is rotatably coupled to the first rotation shaft (31), the middle hole (322) is rotatably coupled to the fulcrum shaft (35), and the lower coupling hole (323) is rotatably coupled to the second rotation shaft (34).
5. The shear-type damping wall with reverse amplification of displacement according to claim 3, wherein the axes of the first rotating shaft (31), the fulcrum shaft (35) and the second rotating shaft (34) are parallel to each other and perpendicular to the fixed shear plate (11).
6. The shear-type damping wall with reverse amplification of displacement according to claim 1, wherein the lower surface of the upper connecting plate (1) is provided with three mutually parallel fixed shear plates (11), and one displacement amplification mechanism is provided between every two adjacent fixed shear plates (11).
7. The displacement-reverse-amplifying, shear-type damping wall according to claim 1, wherein the stationary shear plate (11) is integrally formed with the upper web (1).
8. The shear-type damping wall with reverse amplification of displacement according to claim 1, wherein the shear dissipative material (5) is at least one of viscous damping fluid, visco-elastic material, soft-rigid material and friction material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109439.8A CN112780002A (en) | 2021-01-25 | 2021-01-25 | Shear type damping wall with reversely amplified displacement |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110109439.8A CN112780002A (en) | 2021-01-25 | 2021-01-25 | Shear type damping wall with reversely amplified displacement |
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| Publication Number | Publication Date |
|---|---|
| CN112780002A true CN112780002A (en) | 2021-05-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110109439.8A Pending CN112780002A (en) | 2021-01-25 | 2021-01-25 | Shear type damping wall with reversely amplified displacement |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215409A (en) * | 2021-09-10 | 2022-03-22 | 重庆大学 | Viscous damping wall shock mitigation system with butterfly plate |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH499736A (en) * | 1967-12-05 | 1970-11-30 | Hoechst Ag | Vibration-damped composite systems with intermediate layers made from graft polymers of styrene / acrylonitrile on vinyl acetate / ethylene copolymers |
| JP2009035949A (en) * | 2007-08-02 | 2009-02-19 | Yokogawa Bridge Holdings Corp | Shear panel type damper mounting structure to structure |
| CN101570982A (en) * | 2009-05-26 | 2009-11-04 | 上海大学 | Conical buckled shock-absorbing support |
| CN206016389U (en) * | 2016-08-11 | 2017-03-15 | 上海大学 | Efficient energy-consumption damper |
| CN215106204U (en) * | 2021-01-25 | 2021-12-10 | 上海大学 | A Shear Damping Wall with Displacement Reverse Amplification |
-
2021
- 2021-01-25 CN CN202110109439.8A patent/CN112780002A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CH499736A (en) * | 1967-12-05 | 1970-11-30 | Hoechst Ag | Vibration-damped composite systems with intermediate layers made from graft polymers of styrene / acrylonitrile on vinyl acetate / ethylene copolymers |
| JP2009035949A (en) * | 2007-08-02 | 2009-02-19 | Yokogawa Bridge Holdings Corp | Shear panel type damper mounting structure to structure |
| CN101570982A (en) * | 2009-05-26 | 2009-11-04 | 上海大学 | Conical buckled shock-absorbing support |
| CN206016389U (en) * | 2016-08-11 | 2017-03-15 | 上海大学 | Efficient energy-consumption damper |
| CN215106204U (en) * | 2021-01-25 | 2021-12-10 | 上海大学 | A Shear Damping Wall with Displacement Reverse Amplification |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114215409A (en) * | 2021-09-10 | 2022-03-22 | 重庆大学 | Viscous damping wall shock mitigation system with butterfly plate |
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