CN117587951B - Self-resetting energy dissipation support - Google Patents
Self-resetting energy dissipation support Download PDFInfo
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- CN117587951B CN117587951B CN202410070299.1A CN202410070299A CN117587951B CN 117587951 B CN117587951 B CN 117587951B CN 202410070299 A CN202410070299 A CN 202410070299A CN 117587951 B CN117587951 B CN 117587951B
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- 230000021715 photosynthesis, light harvesting Effects 0.000 title claims description 21
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims abstract description 59
- 230000001154 acute effect Effects 0.000 claims description 6
- 239000013013 elastic material Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000006870 function Effects 0.000 abstract description 3
- 238000005265 energy consumption Methods 0.000 abstract description 2
- 125000004122 cyclic group Chemical group 0.000 description 9
- 239000000463 material Substances 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 229910000831 Steel Inorganic materials 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009417 prefabrication Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
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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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention relates to the technical field of structural engineering and discloses a self-resetting energy-consuming support which comprises a frame, a guy cable assembly and two support groups, wherein the two support groups are respectively positioned on two diagonal lines of a square frame, one end of each support piece in each support group is connected with each other through the guy cable assembly, the other end of each support piece in each support group is respectively coaxially hinged with two beam-column hinged parts of the frame on the diagonal line where the support group is positioned, and guy cables in the guy cable assembly are made of shape memory alloy. The self-resetting energy-consuming support provided by the invention has the advantages that the structure is simple on the basis of realizing the functions of energy consumption and self resetting, key components are convenient to install, dismantle and replace, only the inhaul cable component is required to be made of the shape memory alloy, the consumption of the shape memory alloy is less, and the production cost of the self-resetting energy-consuming support is effectively reduced.
Description
Technical Field
The invention relates to the technical field of structural engineering, in particular to a self-resetting energy dissipation support.
Background
The self-resetting energy dissipation support is a structure which can be reversibly deformed and automatically reset under the action of external force, has good anti-seismic and anti-impact capabilities, can absorb and disperse energy, and is widely applied to the fields of construction, traffic, aerospace and the like. The self-resetting energy-consuming support has the greatest advantage that only the original support in the system needs to be replaced without changing the main stress components in the system structure, the deformation mode is coordinated with the structure, and the installation and the maintenance are convenient. The self-resetting energy dissipation support can concentrate energy dissipation and damage to the support part while realizing self-resetting of the structure, and reduces structural damage caused by plastic deformation energy dissipation.
The material of the support assembly in the self-resetting energy consuming brace is typically a shape memory alloy (Shape Memory Alloys, SMA). In the self-resetting energy dissipation support, when the structure is reversibly deformed due to external acting force, the shape memory alloy can be restored to the original shape as a supporting material, so that the automatic resetting of the structure is realized, the residual deformation of the structure after being stressed can be effectively reduced, and the requirements for maintaining and replacing the structure are reduced.
Although the self-resetting energy dissipation brace has various advantages, the existing self-resetting energy dissipation brace has complex structure and difficult assembly of parts; and the self-resetting capability of the existing self-resetting energy-consuming support depends on the shape memory metal component, the shape memory alloy in the single support has higher dosage, and the shape memory alloy has high manufacturing cost. All of the above factors result in higher production costs of the existing self-resetting energy consuming brace.
Disclosure of Invention
The invention provides a self-resetting energy-consuming support, which solves the technical problem of higher production cost of the existing self-resetting energy-consuming support.
The invention provides a self-resetting energy-consuming support which comprises a frame, a guy cable assembly and two support groups;
The frame comprises two structural beams and two structural columns;
One end of each structural column is hinged with one structural beam, the other end of each structural column is hinged with the other structural beam, and the shape enclosed by the middle part of the frame is square;
The two supporting groups are respectively positioned on two diagonal lines of the square;
Each support group comprises two support pieces;
One ends of the two supporting pieces in each supporting group are connected with each other through the inhaul cable component, and the other ends of the two supporting pieces in each supporting group are respectively coaxially hinged with two beam-column hinged positions on the diagonal line of the supporting group.
Optionally, the cable assembly comprises two groups of shape memory alloy cables with the same number;
One ends of the two supporting pieces in the first supporting group are connected with each other through a first group of shape memory alloy inhaul cables;
One ends of the two supporting pieces in the second supporting group are connected with each other through a second group of shape memory alloy inhaul cables.
Optionally, the cable assembly comprises an X-shaped support plate and four groups of shape memory alloy cables of the same number;
One end of one support piece in one support group is connected with the first end of the X-shaped support plate through a first group of shape memory alloy inhaul cables, and one end of the other support piece is connected with the second end of the X-shaped support plate through a second group of shape memory alloy inhaul cables;
One end of one support piece in the other support group is connected with the third end of the X-shaped support plate through a third group of shape memory alloy inhaul cables, and one end of the other support piece is connected with the fourth end of the X-shaped support plate through a fourth group of shape memory alloy inhaul cables.
Optionally, the side surfaces of the structural columns are respectively fixedly provided with a first ear plate at the positions close to the two ends;
two side surfaces of the structural beam are fixedly provided with second lug plates respectively;
the first lug plate, one end of the supporting piece and the second lug plate are hinged in sequence.
Optionally, the first ear plate includes a first connection portion and a first elastic portion located between the first connection portion and the structural beam;
The second ear plate comprises a second connecting part and a second elastic part positioned between the second connecting part and the structural column;
the first connecting part, one end of the supporting piece and the second connecting part are hinged in sequence;
the first elastic part and the second elastic part are made of elastic materials.
Optionally, a surface of the first elastic part, which contacts with the first connecting part, and a surface of the first elastic part, which contacts with the structural beam, intersect, and form an included angle of an acute angle;
the surface of the second elastic part, which is contacted with the second connecting part, is intersected with the surface of the second elastic part, which is contacted with the structural column, and an included angle is an acute angle.
Optionally, a third elastic portion is disposed between the first connection portion and the second connection portion.
Optionally, the third elastic portion is fixed between the first connecting portion and the second connecting portion by a fixing rod that sequentially penetrates through the first connecting portion, the third elastic portion and the second connecting portion.
Optionally, the first set of shape memory alloy cables and the second set of shape memory alloy cables are not in contact.
Optionally, a connecting end plate is fixedly arranged at one end of the supporting piece, which is connected with the inhaul cable assembly;
A plurality of openings are formed in the connecting end plate;
and the inhaul cable of the inhaul cable assembly penetrates through the opening and is connected with the connecting end plate through the clamp.
From the above technical scheme, the invention has the following advantages:
The invention provides a self-resetting energy consumption support, which comprises a frame, a stay rope assembly and two support groups, wherein the two support groups are respectively positioned on two diagonal lines of a square frame, one end of each support piece in each support group is connected with each other through the stay rope assembly, the other end of each support piece in each support group is respectively coaxially hinged with two beam-column hinged positions of the frame on the diagonal line where the support group is positioned, and stay ropes in the stay rope assemblies are made of shape memory alloy; when the self-resetting energy-consuming support is not stressed, the support pieces are tightly connected by the pre-added tension on the inhaul cable assembly and do not move relatively; when the self-resetting energy-consuming support receives reciprocating cyclic load, two support pieces of one support group always move back, at the moment, a guy cable assembly connected with the support group is stretched to absorb the energy of the reciprocating cyclic load, and the two support pieces of the other support group do not move relatively, so that the guy cable assembly connected with the support group is not stressed; after the reciprocating cyclic load is eliminated, the self-resetting energy-consuming support returns to the initial state under the action of the inhaul cable assembly. The self-resetting energy dissipation support provided by the invention can realize the functions of energy dissipation and self-resetting, has a simple structure, is convenient for installation, disassembly and replacement of key components, only needs to be made of shape memory alloy for a inhaul cable assembly, has less consumption of the shape memory alloy, and effectively reduces the production cost of the self-resetting energy dissipation support.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the invention, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic diagram of a self-resetting energy dissipating support according to an embodiment of the present invention;
FIG. 2 is a schematic view of a connection structure of a support member and a cable assembly according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a self-resetting energy dissipating support according to an embodiment of the present invention;
FIG. 4 is a schematic diagram of a connection structure of a support member and a cable assembly of a self-resetting energy consuming brace according to an embodiment of the present invention;
FIG. 5 is a schematic view of a beam-column hinge of a self-resetting energy-dissipating support according to an embodiment of the present invention;
Fig. 6 is a schematic diagram of an explosion structure at a beam-column joint of a self-resetting energy-consuming brace according to an embodiment of the present invention.
Reference numerals illustrate: 1-structural column, 11-first lug plate, 111-first connecting part, 112-first elastic part, 2-structural beam, 21-second lug plate, 211-second connecting part, 212-second elastic part, 3-supporting piece, 4-pin shaft, 51-first shape memory alloy cable, 52-second shape memory alloy cable, 53-X-shaped supporting plate, 6-clamp, 7-connecting end plate, 8-stiffening rib, 9-third elastic part and 91-fixing rod.
Detailed Description
The embodiment of the invention provides a self-resetting energy-consuming support, which is used for solving the technical problem of higher production cost of the existing self-resetting energy-consuming support.
In order to make the objects, features and advantages of the present invention more comprehensible, the technical solutions in the embodiments of the present invention are described in detail below with reference to the accompanying drawings, and it is apparent that the embodiments described below are only some embodiments of the present invention, but not all embodiments of the present invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
Unless specifically stated or limited otherwise, the terms "mounted," "connected," and "coupled" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
Referring to fig. 1 to 6, a self-resetting energy dissipation brace provided by an embodiment of the present invention includes a frame, a cable assembly and two support groups;
the frame comprises two structural beams 2 and two structural columns 1;
one end of each structural column 1 is hinged with one structural beam 2, the other end of each structural column 1 is hinged with the other structural beam 2, and the shape enclosed by the middle part of the frame is square;
The two supporting groups are respectively positioned on two diagonal lines of the square;
Each support group comprises two supports 3;
One ends of the two supporting pieces 3 in each supporting group are connected with each other through a guy cable assembly, and the other ends of the two supporting pieces 3 in each supporting group are respectively coaxially hinged with two beam-column hinged positions on the diagonal line of the supporting group.
In the invention, the beam-column hinge parts, namely the hinge parts of the structural columns 1 and the structural beams 2, can be hinged through the pin shafts 4; the frame and the support group are preferably made of steel materials, steel materials with different strength labels can be adopted according to different requirements, and the steel material part and the memory alloy inhaul cable part of the whole support can achieve the effect of rigidity coordination through reasonable design, so that the requirement of self-resetting of the structure is met.
Based on the above structure, the self-resetting energy dissipation brace provided in this embodiment can realize the functions of dissipation and self-resetting: when the self-resetting energy-consuming support is not stressed, the support pieces are tightly connected by the pre-added tension on the inhaul cable assembly and do not move relatively; when the self-resetting energy-consuming support receives reciprocating cyclic load, two support pieces 3 of one support group always move back, at the moment, a guy cable assembly connected with the support group is stretched to absorb the energy of the reciprocating cyclic load, and the two support pieces of the other support group do not move relatively, so that the guy cable assembly connected with the support group is not stressed; after the reciprocating cyclic load is eliminated, the self-resetting energy-consuming support returns to the initial state under the action of the inhaul cable assembly. When the self-resetting energy-consuming brace provided by the embodiment is subjected to reciprocating cyclic load, at least one shape memory alloy inhaul cable in one direction can be kept in a tension state, the brace is ensured to have stable and good self-resetting and energy-consuming capacity, and the earthquake resistance of a building can be effectively improved; in addition, the self-resetting energy dissipation support provided by the embodiment is simple in structure, key components are convenient to install, dismantle and replace, only the inhaul cable assembly is required to be made of the shape memory alloy, the consumption of the shape memory alloy is small, and the production cost of the self-resetting energy dissipation support is effectively reduced.
Specifically, a connecting end plate 7 is fixedly arranged at one end of the supporting piece 3 connected with the inhaul cable assembly, and a plurality of holes are formed in the connecting end plate 7; because the size of the clamp 6 is larger than the diameter of the opening, the clamp 6 clamps the inhaul cable so that the inhaul cable cannot be separated from the connecting end plate, and the inhaul cable of the inhaul cable assembly can be connected with the connecting end plate 7 through the clamp 6 after passing through the opening; each connecting end plate 7 can be unified in specification and model, and prefabrication processing is achieved.
Further, a plurality of stiffening ribs 8 can be fixedly arranged between the side wall of the supporting piece 3 and the connecting end plate 7, and the stiffening ribs 8 can strengthen the local stability of the connection between the supporting piece 3 and the connecting end plate 7 and prevent the local instability of the component caused by the extreme load.
The inhaul cable in the inhaul cable assembly is made of shape memory alloy, and the diameter of the inhaul cable can be selected according to the stress condition of actual engineering; the cable assembly connecting the two supports can have a variety of arrangements: in a preferred embodiment, as shown in FIGS. 1 and 2, the cable assembly includes two sets of equal numbers of first shape memory alloy cables 51; one ends of the two supporting pieces 3 in the first supporting group are connected with each other through a first group of first shape memory alloy inhaul cables 51; one ends of the two supports 3 in the second support group are connected to each other by a second group of first shape memory alloy cables 51.
In the preferred embodiment, the first set of shape memory alloy cables and the second set of shape memory alloy cables may have contact in the middle of the frame regardless of the location where the first set of shape memory alloy cables is connected to the first support set and the location where the second set of shape memory alloy cables is connected to the second support set; the two cables may be worn or scratched due to contact with each other, so as to affect the durability and safety of the cables, and each cable may vibrate when bearing load, the two cables may contact with each other, and adversely affect the stability of the whole support, so that the two sets of shape memory alloy cables need to be staggered, so that the first set of first shape memory alloy cables 51 and the second set of first shape memory alloy cables 51 are not contacted, for example, by reasonably setting the positions of holes on the connecting end plate 7, the two sets of cables are connected in a staggered manner; in a specific embodiment, as shown in fig. 2, the number of the first group of shape memory alloy cables and the second group of shape memory alloy cables is four, 8 openings are formed in the connecting end plate 7, the first group of shape memory alloy cables is connected with the corresponding supporting pieces by adopting two adjacent openings and two openings on the vertical opposite sides on the connecting end plate 7, and the first group of shape memory alloy cables is connected with the corresponding supporting pieces by adopting the remaining transverse holes on the connecting end plate 7, so that the first group of shape memory alloy cables and the second group of shape memory alloy cables are not contacted.
The cable assembly connecting the two supports may also be in other arrangements: in another preferred embodiment, as shown in fig. 3 and 4, the cable assembly includes an X-shaped support plate 53 and four sets of equal number of second shape memory alloy cables 52; one end of one support piece 3 in one support group is connected with the first end of the X-shaped support plate 53 through a first group of second shape memory alloy inhaul cables 52, and one end of the other support piece 3 is connected with the second end of the X-shaped support plate 53 through a second group of second shape memory alloy inhaul cables 52; one end of one support member 3 in the other support group is connected to the third end of the X-shaped support plate 53 through the third group of second shape memory alloy cables 52, and one end of the other support member 3 is connected to the fourth end of the X-shaped support plate 53 through the fourth group of second shape memory alloy cables 52. The arrangement mode of the inhaul cable assembly in the preferred embodiment does not need to take the connection position of the inhaul cable and the supporting piece into consideration; the four ends of the X-shaped support plate 53 may also be fixedly provided with the connection end plate 7 and the stiffening ribs 8.
Referring to fig. 5 and 6, in a preferred embodiment, first ear plates 11 are fixedly disposed at positions near two ends of the side of the structural pillar 1, respectively; two sides of the structural beam 2 are fixedly provided with second lug plates 21 respectively; the first ear plate 11, one end of the support 3 and the second ear plate 21 are hinged in sequence.
Further, the first ear plate 11 includes a first connection portion 111 and a first elastic portion 112 located between the first connection portion 111 and the structural beam 2; the second ear plate 21 includes a second connection portion 211 and a second elastic portion 212 located between the second connection portion 211 and the structural post 1; the other ends of the two supporting pieces 3 in each supporting group are respectively coaxially hinged with two beam-column hinged positions on the diagonal line of the supporting group, specifically a first connecting part 111, one end of the supporting piece 3 and a second connecting part 211 are sequentially hinged; the first elastic portion 112 and the second elastic portion 212 are made of an elastic material.
The rotating end of the supporting piece 3 is rotatably connected with the first ear plate 11 and the second ear plate 21 containing the elastic parts through the pin shaft 4, so that the supporting piece 3 can rotate in the frame plane but does not displace relative to the structural column 1 and the structural beam 2; the first ear plate 11 and the structural column 1 and the second ear plate 21 and the structural beam 2 are preferably welded; the first ear plate 11 and the second ear plate 21 with elastic parts can be of uniform specification and model, and prefabrication processing is realized.
Further, a surface of the first elastic portion 112 contacting the first connection portion 111 intersects a surface of the first elastic portion 112 contacting the structural beam 2, and forms an acute angle;
The surface of the second elastic portion 212 contacting the second connecting portion 211 intersects with the surface of the second elastic portion 212 contacting the structural column 1, and forms an acute angle.
It will be appreciated that when the self-resetting energy consuming brace provided in the preferred embodiment is subjected to a reciprocating cyclic load, the structural columns 1 and beams 2 may generate a relative rotational angle at the hinge of the columns, and when the relative rotational angle is less than 90 °, the resilient portions of the first and second ear panels 11 and 21 at the hinge of the columns are compressed, and when the relative rotational angle is greater than 90 °, the resilient portions of the first and second ear panels 11 and 21 at the hinge of the columns are pulled to absorb the energy input by the load.
Further, a third elastic portion 9 is provided between the first connecting portion 111 and the second connecting portion 211; the third elastic part 9 is made of elastic material; the third elastic portion 9 is fixed between the first connection portion 111 and the second connection portion 211 by a fixing rod 91 penetrating the first connection portion 111, the third elastic portion 9, and the second connection portion 211 in this order.
In the present preferred embodiment, the third elastic portion 9 avoids the pin 4, does not fill the remaining gap between the first connecting portion 111 and the second connecting portion 211, and thus does not affect the rotation supported within the satisfaction specification; the fixing rod 91 is preferably a lead rod, and the insertion of the fixing rod 91 can enable the beam-column hinge to not only transmit bending moment, but also have certain rotation capacity, so that the beam-column hinge has semi-rigidity; when the self-resetting energy dissipation brace receives a reciprocating cyclic load, the first ear plate 11 and the second ear plate 21 respectively fixed at the beam end and the column end can rotate relatively, at this time, the fixing rod 91 passing through the ear plates can undergo shearing deformation, the effect of rotation energy dissipation is achieved, and the third elastic part 9 and the inserted fixing rod 91 can jointly realize shearing energy dissipation.
The above embodiments are only for illustrating the technical solution of the present invention, and not for limiting the same; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims (7)
1. The self-resetting energy dissipation support is characterized by comprising a frame, a inhaul cable assembly and two support groups;
The frame comprises two structural beams and two structural columns;
One end of each structural column is hinged with one structural beam, the other end of each structural column is hinged with the other structural beam, and the shape enclosed by the middle part of the frame is square;
The two supporting groups are respectively positioned on two diagonal lines of the square;
Each support group comprises two support pieces;
One end of each support piece in each support group is connected with each other through the guy cable assembly, and the other end of each support piece in each support group is respectively and coaxially hinged with two beam-column hinged positions on the diagonal line of the support group;
the side surfaces of the structural columns are fixedly provided with first lug plates at positions close to two ends respectively;
two side surfaces of the structural beam are fixedly provided with second lug plates respectively;
One end of the first lug plate, one end of the supporting piece and the second lug plate are hinged in sequence;
the first ear plate comprises a first connecting part and a first elastic part positioned between the first connecting part and the structural beam;
The second ear plate comprises a second connecting part and a second elastic part positioned between the second connecting part and the structural column;
the first connecting part, one end of the supporting piece and the second connecting part are hinged in sequence;
the first elastic part and the second elastic part are made of elastic materials;
a connecting end plate is fixedly arranged at one end of the supporting piece, which is connected with the inhaul cable assembly;
A plurality of openings are formed in the connecting end plate;
and the inhaul cable of the inhaul cable assembly penetrates through the opening and is connected with the connecting end plate through the clamp.
2. The self-resetting energy consuming brace of claim 1, wherein the cable assembly comprises two sets of shape memory alloy cables of equal number;
One ends of the two supporting pieces in the first supporting group are connected with each other through a first group of shape memory alloy inhaul cables;
One ends of the two supporting pieces in the second supporting group are connected with each other through a second group of shape memory alloy inhaul cables.
3. The self-resetting energy consuming brace of claim 1, wherein the cable assembly comprises an X-shaped support plate and four sets of equal number of shape memory alloy cables;
One end of one support piece in one support group is connected with the first end of the X-shaped support plate through a first group of shape memory alloy inhaul cables, and one end of the other support piece is connected with the second end of the X-shaped support plate through a second group of shape memory alloy inhaul cables;
One end of one support piece in the other support group is connected with the third end of the X-shaped support plate through a third group of shape memory alloy inhaul cables, and one end of the other support piece is connected with the fourth end of the X-shaped support plate through a fourth group of shape memory alloy inhaul cables.
4. The self-resetting energy consuming brace of claim 1, wherein a face of the first resilient portion contacting the first connecting portion intersects a face of the first resilient portion contacting the structural beam and forms an acute angle;
the surface of the second elastic part, which is contacted with the second connecting part, is intersected with the surface of the second elastic part, which is contacted with the structural column, and an included angle is an acute angle.
5. The self-resetting energy consuming brace of claim 1, wherein a third resilient portion is disposed between the first and second connection portions.
6. The self-resetting energy consuming brace of claim 5, wherein the third elastic portion is secured between the first and second connection portions by a securing rod that sequentially extends through the first, third and second connection portions.
7. The self-resetting energy consuming brace of claim 2, wherein the first set of shape memory alloy cables and the second set of shape memory alloy cables are not in contact.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410070299.1A CN117587951B (en) | 2024-01-18 | 2024-01-18 | Self-resetting energy dissipation support |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202410070299.1A CN117587951B (en) | 2024-01-18 | 2024-01-18 | Self-resetting energy dissipation support |
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| CN117587951A CN117587951A (en) | 2024-02-23 |
| CN117587951B true CN117587951B (en) | 2024-04-16 |
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| WO2011038742A1 (en) * | 2009-10-02 | 2011-04-07 | Damptech Aps | Damping system |
| CN107574927A (en) * | 2017-07-19 | 2018-01-12 | 苏州科技大学 | A kind of SMA Self-resettings ductility shears thin plate bracing members |
| CN208363327U (en) * | 2018-06-29 | 2019-01-11 | 广州大学 | A kind of seismic isolation device |
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| CN115233865A (en) * | 2022-05-10 | 2022-10-25 | 浙江大学 | Assembled buckling restrained steel plate shear wall structure with self-resetting function |
| WO2023017158A1 (en) * | 2021-08-13 | 2023-02-16 | Actuator Solutions GmbH | Actuator subassembly controlled by shape memory alloy wires, system comprising a plurality of such subassemblies and control method for such system |
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| CN107574927A (en) * | 2017-07-19 | 2018-01-12 | 苏州科技大学 | A kind of SMA Self-resettings ductility shears thin plate bracing members |
| CN208363327U (en) * | 2018-06-29 | 2019-01-11 | 广州大学 | A kind of seismic isolation device |
| CN111809526A (en) * | 2020-07-30 | 2020-10-23 | 兰州理工大学 | Assembled bridge double-column pier system capable of recovering function after earthquake and construction method |
| WO2023017158A1 (en) * | 2021-08-13 | 2023-02-16 | Actuator Solutions GmbH | Actuator subassembly controlled by shape memory alloy wires, system comprising a plurality of such subassemblies and control method for such system |
| CN115233865A (en) * | 2022-05-10 | 2022-10-25 | 浙江大学 | Assembled buckling restrained steel plate shear wall structure with self-resetting function |
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