CN109881960B - Assembled toggle type energy dissipation support and assembling method thereof - Google Patents
Assembled toggle type energy dissipation support and assembling method thereof Download PDFInfo
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- CN109881960B CN109881960B CN201910280044.7A CN201910280044A CN109881960B CN 109881960 B CN109881960 B CN 109881960B CN 201910280044 A CN201910280044 A CN 201910280044A CN 109881960 B CN109881960 B CN 109881960B
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- 238000000034 method Methods 0.000 title claims abstract description 14
- 230000021715 photosynthesis, light harvesting Effects 0.000 title abstract description 28
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 33
- 239000010959 steel Substances 0.000 claims abstract description 33
- 230000000149 penetrating effect Effects 0.000 claims abstract description 15
- 238000005265 energy consumption Methods 0.000 claims description 36
- 239000000463 material Substances 0.000 description 3
- 239000002436 steel type Substances 0.000 description 3
- 229910001209 Low-carbon steel Inorganic materials 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910000746 Structural steel Inorganic materials 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
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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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Abstract
The invention relates to an assembled toggle type energy dissipation support and an assembling method thereof, wherein each energy dissipation unit comprises two supports, two rigid rods and two friction plates, the two friction plates in the energy dissipation units are symmetrically arranged, a space for accommodating and installing the end parts of the rigid rods is formed between the two friction plates, bolt holes A are formed in the two ends and the middle of each friction plate, round holes A are uniformly distributed in the periphery of each bolt hole A, the supports are connected with beams or columns, one end of each rigid rod is hinged with the support, bolt holes B are formed in one end of each rigid rod, round holes B are uniformly distributed in the periphery of each bolt hole B, the rigid rods are connected and locked with the friction plates through bolts penetrating through the bolt holes A and the bolt holes B, soft steel bars are penetrated and locked in the round holes A and the round holes B, soft steel bars are penetrated and arranged in the round holes A in the middle of the friction plates, the energy dissipation support is simple and convenient to detach after vibration, and easy to overhaul and replace only the soft steel bars.
Description
Technical Field
The invention relates to an assembled toggle type energy dissipation support and an assembling method thereof, and belongs to the technical field of energy dissipation and shock absorption of civil engineering structures.
Background
In recent years, structural systems employing support designs have been widely used in building structures. However, the common support is easy to generate a buckling phenomenon, the rigidity and the bearing capacity are obviously reduced after buckling, and uneven vertical force is applied to the beam, so that the safety of the structure is endangered. Experiments show that the energy consumption performance of the common support under the action of an earthquake is relatively poor, the buckling restrained brace is relatively stable, can still work continuously after the earthquake, and is more favored in engineering application. The common buckling restrained brace is divided into a grouting type and a pure steel type, wherein the grouting type restraint material is a concrete material, the geometric dimension is large, the dead weight is large, and the manufacturing quality is difficult to control; the pure steel type buckling restrained brace is late in development, but is high in manufacturing precision, relatively light in dead weight and small in size, and the supporting bearing capacity can be regulated and controlled through the combination of various steel materials with different yield strengths, so that the pure steel type buckling restrained brace is gradually widely used in engineering. The actual building structure mainly bears wind load or middle and small earthquake action, so that in order to enhance the safety and comfort of the structure, the current buckling restrained brace is mainly designed to start yielding energy consumption under the middle and small earthquake action, and the buckling restrained brace needs to be overhauled or replaced regularly, so that later maintenance and use cost are increased.
Disclosure of Invention
The invention provides an assembled toggle type energy dissipation support and an assembling method thereof.
The invention solves the technical problem by adopting the scheme that the assembled toggle type energy dissipation brace comprises two energy dissipation units, each energy dissipation unit comprises two supports, two rigid rods and two friction plates, the two friction plates in the energy dissipation units are symmetrically arranged, a space for accommodating and installing the end parts of the rigid rods is formed between the two friction plates, the two ends and the middle parts of the friction plates are respectively provided with a bolt hole A, round holes A are uniformly distributed on the periphery circumference of the bolt hole A, the supports are connected with beams or columns, one ends of the rigid rods are hinged with the supports, one ends of the rigid rods are provided with bolt holes D matched with the supports, the other ends of the rigid rods are provided with bolt holes B matched with the bolt holes A at the end parts of the friction plates, round holes B matched with the round holes A at the end parts of the friction plates are uniformly distributed on the periphery of the bolt holes B, the end parts of the rigid rods are connected and locked with the end parts of the friction plates through high-strength bolts penetrating the bolt holes A and the round holes B, soft steel rods penetrate through the round holes A at the end parts of the friction plates, four friction plates in the two groups of the energy dissipation units are connected with round holes A through the high-strength bolts penetrating the bolt holes A at the middle parts of the friction plates, and the soft steel rods penetrate through the soft steel rods penetrating the soft steel rods.
Further, the friction plates in the two energy consumption units are perpendicular to each other.
Further, the two rigid rods in each energy consumption unit are diagonally arranged and parallel to each other.
Further, the included angle between the rigid rod and the friction plate in each energy consumption unit is 135 degrees.
Further, the base includes the bottom plate, and the symmetry sets up two pterygoid lamina on the bottom plate, forms the space that holds the installation rigid rod tip between two pterygoid lamina, is equipped with the bottom plate bolt hole on the bottom plate, and the bottom plate is connected with roof beam or post through the high-strength bolt that wears to establish the bottom plate bolt hole, is provided with bolt hole C on the pterygoid lamina, and the rigid rod is provided with bolt hole D with the end of being connected of base, and the rigid rod is connected through the high-strength bolt that wears to establish bolt hole C, bolt hole D with the base.
Further, at least 4 round holes A are formed in the periphery of each bolt hole A.
An assembly method of an assembled toggle type energy dissipation support comprises the following steps:
step 1: prefabricating four supports, four rigid rods and four friction plates with the same size;
step 2: the method comprises the steps of taking a rigid rod and a support, hinging the rigid rod and the support through a high-strength bolt, tightening and fixing the high-strength bolt through a nut, and applying a certain pretightening force;
step 3: two friction plates of an energy consumption unit are taken, one rigid rod end part of the energy consumption unit is arranged between the two friction plates, the rigid rod end part is connected with one end part of the friction plate through a high-strength bolt, the high-strength bolt is fastened and fixed by a nut, a certain pretightening force is applied, and an included angle between the rigid rod and the friction plate is 135 degrees after the connection;
step 4: taking a soft steel rod, penetrating through round holes A and B which are correspondingly matched with each other on the connecting end of the rigid rod and the friction plate, and tightly fastening and fixing the end part of the soft steel rod through a screw cap;
step 5: repeating the steps 3-4, and connecting the other rigid rod of the energy consumption unit with the friction plate;
step 6: taking two friction plates of another energy consumption unit, and placing one friction plate between the two friction plates of the assembled energy consumption unit;
step 7: repeating the steps 3-5 to finish the connection of the rigid rod of the other energy consumption unit and the friction plate;
step 8: the method comprises the steps that four friction plates in two groups of energy consumption units are connected and locked through high-strength bolts penetrating through bolt holes A in the middle of each friction plate, the high-strength bolts are fastened and fixed through nuts, a certain pretightening force is applied, and the friction plates in the two energy consumption units are mutually perpendicular after connection;
step 9: and taking soft steel rods to pass through corresponding round holes A in the middle of each friction plate, and fastening and fixing the two ends of the soft steel rods through nuts, thereby completing assembly.
Compared with the prior art, the invention has the following beneficial effects: the earthquake energy dissipation support has the advantages of simple structure, reasonable design, low cost, simple construction process and wide application range, organically combines two energy dissipation mechanisms of friction energy dissipation and metal yield energy dissipation, plays respective roles aiming at different earthquake action degrees, has better energy dissipation effect, is simple and convenient to detach after earthquake, and can be easily overhauled and replaced by only replacing a soft steel rod.
Drawings
The patent of the invention is further described below with reference to the accompanying drawings.
FIG. 1 is a schematic illustration of the present invention energy dissipating support applied to a frame structure;
FIG. 2 is a schematic diagram of the front of the structure of the energy dissipating unit;
FIG. 3 is a schematic top view of the structure of the energy dissipating unit;
FIG. 4 is a schematic diagram of a connection structure of 4 friction plates;
FIG. 5 is a schematic view of the front of the structure of the support;
FIG. 6 is a schematic top view of the structure of the support;
FIG. 7 is a schematic view of a friction plate;
fig. 8 is a schematic structural view of a rigid rod.
In the figure:
1-a support; 2-rigid rods; 3-friction plate; 4-high-strength bolts; 5-soft steel bars; 6-bolt holes A; 7-a round hole A; 8-bolt holes B; 9-a round hole B; 10-bolt holes D; 11-a bottom plate; 12-wing plates; 13-a bottom plate bolt hole; 14-bolt hole C.
Detailed Description
The invention is further described below with reference to the drawings and the detailed description.
As shown in figures 1-8, the assembled toggle type energy dissipation brace comprises two energy dissipation units, each energy dissipation unit comprises two supports 1, two rigid rods 2, two friction plates 3, a plurality of high-strength bolts 4 and soft steel rods 5, the two friction plates in the energy dissipation units are symmetrically arranged, a space for accommodating and installing the end parts of the rigid rods is formed between the two friction plates, bolt holes A6 are formed in the two ends and the middle of the friction plates, round holes A7 are uniformly distributed on the periphery of the bolt holes A, the supports are connected with beams or columns, one ends of the rigid rods are hinged with the supports, bolt holes D10 matched with the supports are formed in one ends of the rigid rods, round holes B9 matched with the bolt holes A of the end parts of the friction plates are uniformly distributed on the periphery of the bolt holes B, the end parts of the rigid rods are connected and locked through high-strength bolts penetrating the bolt holes A and the end parts of the friction plates, the soft steel rods penetrate through the round holes A and the round holes B, four friction plates in the two groups of units are connected with the soft steel rods penetrating through the middle parts of the friction plates through the round holes A, and the four friction plates penetrate through the round holes A and the soft steel rods are tightly fixed through the round holes A.
In this embodiment, the friction plate and the rigid rod have the same thickness.
In this embodiment, the support, rigid rods and friction plates are preferably made of low alloy, high strength structural steel, and the mild steel rods are preferably made of low yield point mild steel.
The beam column joints are relatively deformed under the action of earthquake, so that the rigid rods and the hinged supports are relatively rotated. Simultaneously, the rigid rod and the friction plate and the friction surface formed by connecting the rigid rod and the support, the friction surface formed by connecting the rigid rod and the friction plate and the friction surface formed by connecting the friction plate and the friction plate are relatively displaced, and the energy consumption support firstly cuts down a part of earthquake action through a friction energy consumption mechanism; when the deformation is increased to a certain extent, the soft steel rod is sheared to enter a plastic energy dissipation stage, the energy dissipation support mainly realizes energy dissipation through soft steel yielding, and only the soft steel rod needs to be replaced after earthquake.
In this embodiment, the friction plates in the two energy dissipating units are perpendicular to each other.
In this embodiment, the two rigid rods in each energy dissipating unit are diagonally arranged and parallel to each other.
In this embodiment, the angle between the rigid rod and the friction plate in each energy dissipating unit is 135 degrees.
In this embodiment, the base includes bottom plate 11, sets up two pterygoid lamina 12 on the bottom plate symmetry, forms the space that holds the installation rigid rod tip between two pterygoid lamina, is equipped with bottom plate bolt hole 13 on the bottom plate, and the bottom plate is connected with roof beam or post through the high-strength bolt that wears to establish the bottom plate bolt hole, is provided with bolt hole C14 on the pterygoid lamina, and the rigid rod is provided with bolt hole D with the end of being connected of base, and the rigid rod is connected with the high-strength bolt of base through wearing to establish bolt hole C, bolt hole D.
In the present embodiment, at least 4 circular holes a are provided at the outer periphery of each bolt hole a.
An assembly method of an assembled toggle type energy dissipation support comprises the following steps:
step 1: prefabricating four supports 1, four rigid rods 2, four friction plates 3, a plurality of high-strength bolts 4 and soft steel bars 5 with the same size;
step 2: taking a rigid rod 2 and a support 1, hinging the rigid rod and the support through a high-strength bolt, tightly bolting and fixing the high-strength bolt through a nut, and applying a certain pretightening force;
step 3: two friction plates 3 of an energy consumption unit are taken, one rigid rod end part of the energy consumption unit is arranged between the two friction plates, the rigid rod end part is connected with one end part of the friction plate through a high-strength bolt, the high-strength bolt is fastened and fixed by a nut, a certain pretightening force is applied, and an included angle between the rigid rod and the friction plate is 135 degrees after the connection;
step 4: taking a soft steel rod 5, penetrating through round holes A and round holes B which are correspondingly matched with each other on the connecting end of the rigid rod and the friction plate, and tightly fastening and fixing the end part of the soft steel rod through a screw cap;
step 5: repeating the steps 3-4, and connecting the other rigid rod of the energy consumption unit with the friction plate;
step 6: taking two friction plates of another energy consumption unit, and placing one friction plate between the two friction plates of the assembled energy consumption unit;
step 7: repeating the steps 3-5 to finish the connection of the rigid rod of the other energy consumption unit and the friction plate;
step 8: the method comprises the steps that four friction plates in two groups of energy consumption units are connected and locked through high-strength bolts penetrating through bolt holes A in the middle of each friction plate, the high-strength bolts are fastened and fixed through nuts, a certain pretightening force is applied, and the friction plates in the two energy consumption units are mutually perpendicular after connection;
step 9: and taking soft steel rods to pass through corresponding round holes A in the middle of each friction plate, and fastening and fixing the two ends of the soft steel rods through nuts, thereby completing assembly.
While the foregoing is directed to the preferred embodiment, other and further embodiments of the invention will be apparent to those skilled in the art from the following description, wherein the invention is described, by way of illustration and example only, and it is intended that the invention not be limited to the specific embodiments illustrated and described, but that the invention is to be limited to the specific embodiments illustrated and described.
Claims (8)
1. An assembled toggle-type energy dissipating brace, comprising: the energy consumption unit comprises two supporting seats, two rigid rods and two friction plates, wherein the two friction plates in the energy consumption unit are symmetrically arranged, a space for accommodating and installing the end parts of the rigid rods is formed between the two friction plates, two ends and the middle part of each friction plate are respectively provided with a bolt hole A, round holes A are uniformly distributed on the periphery of each bolt hole A, the supporting seats are connected with beams or columns, one end of each rigid rod is hinged with the supporting seats, the other end of each rigid rod is provided with a bolt hole B matched with the bolt hole A of the end part of each friction plate, round holes B matched with the round holes A of the end part of each friction plate are uniformly distributed on the periphery of each bolt hole B, the end parts of each rigid rod and the end parts of the friction plates are tightly locked through high-strength bolt connection penetrating through the bolt holes A and the bolt holes B, soft steel bars are penetrated through the round holes A in the middle parts of the friction plates, and soft steel bars are penetrated and fixed through bolts at two ends of the soft steel bars.
2. The fabricated toggle-type energy dissipating brace of claim 1, wherein: the friction plates in the two energy consumption units are mutually perpendicular.
3. The fabricated toggle-type energy dissipating brace of claim 1, wherein: the two rigid rods in each energy consumption unit are diagonally arranged and are parallel to each other.
4. The fabricated toggle-type energy dissipating brace of claim 1, wherein: the included angle between the rigid rod and the friction plate in each energy consumption unit is 135 degrees.
5. The fabricated toggle-type energy dissipating brace of claim 4, wherein: the support comprises a bottom plate, two wing plates are symmetrically arranged on the bottom plate, a space for accommodating and installing the end part of the rigid rod is formed between the two wing plates, a bottom plate bolt hole is formed in the bottom plate, the bottom plate is connected with a beam or a column through a high-strength bolt penetrating through the bottom plate bolt hole, a bolt hole C is formed in the wing plate, a bolt hole D is formed in the end, connected with the support, of the rigid rod, and the rigid rod is connected with the support through the high-strength bolt penetrating through the bolt hole C and the bolt hole D.
6. The fabricated toggle-type energy dissipating brace of claim 1, wherein: at least 4 round holes A are formed in the periphery of each bolt hole A.
7. The fabricated toggle-type energy dissipating brace of claim 1, wherein: four friction plates in two power consumption units are arranged in sequence, and one friction plate in one power consumption unit is positioned between two friction plates in the other power consumption unit.
8. A method of assembling an assembled toggle-type energy dissipating support using the assembled toggle-type energy dissipating support according to any one of claims 1 to 7, comprising the steps of:
step 1: prefabricating four supports, four rigid rods and four friction plates with the same size;
step 2: the method comprises the steps of taking a rigid rod and a support, hinging the rigid rod and the support through a high-strength bolt, tightening and fixing the high-strength bolt through a nut, and applying a certain pretightening force;
step 3: two friction plates of an energy consumption unit are taken, one rigid rod end part of the energy consumption unit is arranged between the two friction plates, the rigid rod end part is connected with one end part of the friction plate through a high-strength bolt, the high-strength bolt is fastened and fixed by a nut, a certain pretightening force is applied, and an included angle between the rigid rod and the friction plate is 135 degrees after the connection;
step 4: taking a soft steel rod, penetrating through round holes A and B which are correspondingly matched with each other on the connecting end of the rigid rod and the friction plate, and tightly fastening and fixing the end part of the soft steel rod through a screw cap;
step 5: repeating the steps 3-4, and connecting the other rigid rod of the energy consumption unit with the friction plate;
step 6: taking two friction plates of another energy consumption unit, and placing one friction plate between the two friction plates of the assembled energy consumption unit;
step 7: repeating the steps 3-5 to finish the connection of the rigid rod of the other energy consumption unit and the friction plate;
step 8: the method comprises the steps that four friction plates in two groups of energy consumption units are connected and locked through high-strength bolts penetrating through bolt holes A in the middle of each friction plate, the high-strength bolts are fastened and fixed through nuts, a certain pretightening force is applied, and the friction plates in the two energy consumption units are mutually perpendicular after connection;
step 9: and taking soft steel rods to pass through corresponding round holes A in the middle of each friction plate, and fastening and fixing the two ends of the soft steel rods through nuts, thereby completing assembly.
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CN201910280044.7A CN109881960B (en) | 2019-04-09 | 2019-04-09 | Assembled toggle type energy dissipation support and assembling method thereof |
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CN201910280044.7A CN109881960B (en) | 2019-04-09 | 2019-04-09 | Assembled toggle type energy dissipation support and assembling method thereof |
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CN109881960B true CN109881960B (en) | 2023-12-05 |
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Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101448386B1 (en) * | 2013-05-22 | 2014-10-08 | 한양대학교 산학협력단 | Vibration control device of scissors toggle type having hinge friction damper |
JP5752843B1 (en) * | 2014-12-22 | 2015-07-22 | アイディールブレーン株式会社 | Damping wall structure that can be displaced vertically in buildings |
KR101849676B1 (en) * | 2017-09-20 | 2018-04-17 | (주)엘씨구조시스템 | Seismic strengthening device building structures |
CN109098306A (en) * | 2018-09-28 | 2018-12-28 | 福州大学 | A kind of friction-mild steel composite buffer and assembly method |
CN109403496A (en) * | 2018-12-17 | 2019-03-01 | 福州大学 | Rub mild steel composite buffer and its assembly method |
CN210289307U (en) * | 2019-04-09 | 2020-04-10 | 福州大学 | Assembled toggle type energy dissipation support |
-
2019
- 2019-04-09 CN CN201910280044.7A patent/CN109881960B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101448386B1 (en) * | 2013-05-22 | 2014-10-08 | 한양대학교 산학협력단 | Vibration control device of scissors toggle type having hinge friction damper |
JP5752843B1 (en) * | 2014-12-22 | 2015-07-22 | アイディールブレーン株式会社 | Damping wall structure that can be displaced vertically in buildings |
KR101849676B1 (en) * | 2017-09-20 | 2018-04-17 | (주)엘씨구조시스템 | Seismic strengthening device building structures |
CN109098306A (en) * | 2018-09-28 | 2018-12-28 | 福州大学 | A kind of friction-mild steel composite buffer and assembly method |
CN109403496A (en) * | 2018-12-17 | 2019-03-01 | 福州大学 | Rub mild steel composite buffer and its assembly method |
CN210289307U (en) * | 2019-04-09 | 2020-04-10 | 福州大学 | Assembled toggle type energy dissipation support |
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