CN110847405B - Tension-compression type rubber friction metal damper - Google Patents
Tension-compression type rubber friction metal damper Download PDFInfo
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- CN110847405B CN110847405B CN201911173544.7A CN201911173544A CN110847405B CN 110847405 B CN110847405 B CN 110847405B CN 201911173544 A CN201911173544 A CN 201911173544A CN 110847405 B CN110847405 B CN 110847405B
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- energy dissipation
- vertical plate
- rubber friction
- mild steel
- plate
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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
Abstract
The invention discloses a tension-compression type rubber friction metal damper, which comprises a middle vertical plate, a lower end plate, an upper end plate and two energy dissipation components, wherein the middle vertical plate is provided with a plurality of vertical plates; the lower end of the middle vertical plate is fixed on the lower end plate, and the two energy dissipation components are respectively positioned on two sides of the middle vertical plate, wherein each energy dissipation component comprises a side vertical plate, the upper end of each side vertical plate is fixed on the upper end plate, and a plurality of strip-shaped through holes are formed in each side vertical plate; a first energy dissipation spring and a second energy dissipation spring are arranged in each strip-shaped through hole; two rubber friction pads are arranged between the side vertical plate and the middle vertical plate, wherein one rubber friction pad is fixed on the side vertical plate, the other rubber friction pad is fixed on the middle vertical plate, and the side surfaces of the two rubber friction pads are in contact; an upper side wave energy dissipation mild steel is arranged between the middle vertical plate and the bottom of the upper end plate, a lower side wave energy dissipation mild steel is arranged between the lower end of the side vertical plate and the lower end plate, and the shock absorption and shock isolation effects of the damper are excellent.
Description
Technical Field
The invention belongs to the field of civil engineering anti-seismic and shock absorption, and relates to a tension-compression type rubber friction metal damper.
Background
Traditional buildings mainly absorb earthquake energy by means of deformation of structures, and many main components are difficult to repair after being damaged. With the continuous progress of anti-seismic theory, technology and method and the development and application of more high-performance materials, people have higher and higher requirements on the anti-seismic performance of the structure, and the structural anti-seismic is gradually changed from collapse-resistant design to recoverable functional design so as to reduce the loss of the whole society to the minimum after earthquake.
Among the methods for realizing the functional structure capable of being restored, the replaceable structure is the most operable at present, the replaceable structural component is arranged in the structure, the damage of the structure is mainly concentrated on the replaceable component in the strong earthquake, the energy of the earthquake input structure can be effectively dissipated by utilizing the replaceable structural component, the damaged replaceable component can be quickly replaced after the earthquake, and the normal use function of the structure can be restored as soon as possible.
The metal damper is one of the most favored dampers at present, and is generally applied to various types of building structures, the working principle of the metal damper is to increase the energy consumption and shock absorption capability of the metal damper by increasing the relative displacement, however, the existing damper cannot realize the energy consumption and shock absorption under strong shock, medium shock and small shock, and therefore the shock absorption and isolation effect needs to be further improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a tension-compression type rubber friction metal damper which is excellent in shock absorption and isolation effects.
In order to achieve the purpose, the tension-compression type rubber friction metal damper comprises a middle vertical plate, a lower end plate, an upper end plate and two energy dissipation components;
the lower end of the middle vertical plate is fixed on the lower end plate, the two energy dissipation components are respectively positioned on two sides of the middle vertical plate, the energy dissipation components comprise side vertical plates, the upper ends of the side vertical plates are fixed on the upper end plate, a plurality of strip-shaped through holes are formed in the side vertical plates, a plurality of strip-shaped bulges are arranged on the upper portions of the connecting plates, each strip-shaped bulge forms a comb-tooth-shaped structure, one strip-shaped bulge corresponds to one strip-shaped through hole, and each strip-shaped bulge is contacted with the side face of the middle vertical plate;
a first energy dissipation spring and a second energy dissipation spring are arranged in each strip-shaped through hole, wherein the first energy dissipation spring and the second energy dissipation spring are respectively positioned at the upper side and the lower side of the corresponding strip-shaped bulge;
two rubber friction pads are arranged between the side vertical plate and the middle vertical plate, wherein one rubber friction pad is fixed on the side vertical plate, the other rubber friction pad is fixed on the middle vertical plate, and the side surfaces of the two rubber friction pads are in contact;
an upper corrugated energy-dissipating mild steel is arranged between the middle vertical plate and the bottom of the upper end plate, and a lower corrugated energy-dissipating mild steel is arranged between the lower end of the side vertical plate and the lower end plate.
A triangular stiffening rib is arranged between the upper end plate and the side vertical plate.
The lower part of the side vertical plate is of a comb-tooth-shaped structure.
And the upper end plate and the lower end plate are both provided with a plurality of bolt holes for connecting external equipment.
The upper-side wave energy dissipation mild steel and the lower-side wave energy dissipation mild steel are both made of mild steel with yield strength of 80-220 MPa, and the bending angles of the upper-side wave energy dissipation mild steel and the lower-side wave energy dissipation mild steel are both 135 degrees.
The contact surfaces of the two rubber friction pads are both arc-shaped wavy structures.
The number of the upper side wave energy dissipation mild steel is three, and the number of the lower side wave energy dissipation mild steel is two.
The connecting plate is an inverted L-shaped structure.
The invention has the following beneficial effects:
when the tension-compression type rubber friction metal damper is operated specifically, during an earthquake, axial force is transmitted to the upper side wave energy dissipation mild steel, the lower side wave energy dissipation mild steel, the rubber friction pads, the first energy dissipation spring and the second energy dissipation spring through the middle vertical plate, the lower end plate, the upper end plate and the connecting plate, wherein the wave energy dissipation mild steel can generate an accordion effect when being subjected to tension and compression, the rubber friction pads have good energy dissipation capability, the two rubber friction pads perform friction energy dissipation through the rubber friction surfaces, the first energy dissipation spring and the second energy dissipation spring consume earthquake energy under small and medium earthquakes, the requirements of energy dissipation and shock absorption under strong earthquakes, medium earthquakes and small earthquakes are met, and the shock absorption and isolation effects are excellent.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic view of the upper end plate 1 of the present invention;
FIG. 3 is a left side view of the present invention;
FIG. 4 is a front view of the present invention;
fig. 5 is a schematic view of the rubber friction pad 5 of the present invention.
Wherein, 1 is an upper end plate, 2 is a triangular stiffening rib, 3 is a connecting plate, 4 is upper side wave energy dissipation mild steel, 5 is a rubber friction pad, 6 is a middle vertical plate, 7 is a second energy dissipation spring, 8 is a lower end plate, 9 is lower side wave energy dissipation mild steel, and 10 is a first energy dissipation spring.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1 to 5, the tension-compression type rubber friction metal damper of the present invention includes a middle vertical plate 6, a lower end plate 8, an upper end plate 1 and two energy dissipation members; the lower end of the middle vertical plate 6 is fixed on the lower end plate 8, the two energy dissipation components are respectively positioned on two sides of the middle vertical plate 6, the energy dissipation components comprise side vertical plates, the upper ends of the side vertical plates are fixed on the upper end plate 1, a plurality of strip-shaped through holes are formed in the side vertical plates, a plurality of strip-shaped bulges are arranged on the upper portion of the connecting plate 3, each strip-shaped bulge forms a comb-tooth-shaped structure, one strip-shaped bulge corresponds to one strip-shaped through hole, and each strip-shaped bulge is contacted with the side face of the middle vertical plate 6; a first energy dissipation spring 10 and a second energy dissipation spring 7 are arranged in each strip-shaped through hole, wherein the first energy dissipation spring 10 and the second energy dissipation spring 7 are respectively positioned at the upper side and the lower side of the corresponding strip-shaped bulge; two rubber friction pads 5 are arranged between the side vertical plate and the middle vertical plate 6, wherein one rubber friction pad 5 is fixed on the side vertical plate, the other rubber friction pad 5 is fixed on the middle vertical plate 6, and the side surfaces of the two rubber friction pads 5 are in contact; an upper side wave energy dissipation mild steel 4 is arranged between the middle vertical plate 6 and the bottom of the upper end plate 1, and a lower side wave energy dissipation mild steel 9 is arranged between the lower end of the side vertical plate and the lower end plate 8.
A triangular stiffening rib 2 is arranged between the upper end plate 1 and the side vertical plate; the lower part of the side vertical plate is of a comb-tooth-shaped structure; a plurality of bolt holes for connecting external equipment are formed in the upper end plate 1 and the lower end plate 8; the number of the upper side wave energy dissipation mild steel 4 is three, and the number of the lower side wave energy dissipation mild steel 9 is two; the connecting plate 3 is of an inverted L-shaped structure.
The upper side wave-shaped energy dissipation mild steel 4 and the lower side wave-shaped energy dissipation mild steel 9 are both made of mild steel with yield strength of 80MPa-220MPa, and the bending angles of the upper side wave-shaped energy dissipation mild steel 4 and the lower side wave-shaped energy dissipation mild steel 9 are both 135 degrees; the contact surfaces of the two rubber friction pads 5 are both arc-shaped wavy structures.
During earthquake, axial force is transmitted to the upper side wave energy dissipation mild steel 44, the lower side wave energy dissipation mild steel 99, the rubber friction pads 5, the first energy dissipation springs 10 and the second energy dissipation springs 7 through the middle vertical plates 6, the lower end plates 8, the upper end plates 1 and the connecting plates 3, wherein the upper side wave energy dissipation mild steel 4 and the lower side wave energy dissipation mild steel 9 consume earthquake energy through self deformation, the two rubber friction pads 5 perform friction energy dissipation through the rubber friction surfaces, and the energy dissipation is assisted through the first energy dissipation springs 10 and the second energy dissipation springs 7.
After an earthquake occurs, the metal damper can be quickly replaced by a method of disassembling the bolt.
Claims (8)
1. A tension-compression type rubber friction metal damper is characterized by comprising a middle vertical plate (6), a lower end plate (8), an upper end plate (1) and two energy dissipation components;
the lower end of the middle vertical plate (6) is fixed on the lower end plate (8), the two energy dissipation components are respectively positioned on two sides of the middle vertical plate (6), each energy dissipation component comprises a side vertical plate, the upper end of each side vertical plate is fixed on the upper end plate (1), a plurality of strip-shaped through holes are formed in each side vertical plate, a plurality of strip-shaped bulges are arranged on the upper portion of the connecting plate (3), each strip-shaped bulge forms a comb-tooth-shaped structure, one strip-shaped bulge corresponds to one strip-shaped through hole, and each strip-shaped bulge passes through the corresponding strip-shaped through hole and then contacts with the side face of;
a first energy dissipation spring (10) and a second energy dissipation spring (7) are arranged in each strip-shaped through hole, wherein the first energy dissipation spring (10) and the second energy dissipation spring (7) are respectively positioned at the upper side and the lower side of the corresponding strip-shaped bulge;
two rubber friction pads (5) are arranged between the side vertical plate and the middle vertical plate (6), wherein one rubber friction pad (5) is fixed on the side vertical plate, the other rubber friction pad (5) is fixed on the middle vertical plate (6), and the side surfaces of the two rubber friction pads (5) are in contact;
upper side wave energy dissipation mild steel (4) is arranged between the middle vertical plate (6) and the bottom of the upper end plate (1), and lower side wave energy dissipation mild steel (9) is arranged between the lower ends of the side vertical plates and the lower end plate (8);
the axial force is transmitted to the upper side wave energy dissipation mild steel (4), the lower side wave energy dissipation mild steel (9), the rubber friction pad (5), the first energy dissipation spring (10) and the second energy dissipation spring (7) through the middle vertical plate (6), the lower end plate (8), the upper end plate (1) and the connecting plate (3).
2. A tension-compression type rubber friction metal damper as claimed in claim 1, characterized in that a triangular stiffener (2) is provided between the upper end plate (1) and the side riser.
3. The tension-compression type rubber friction metal damper as recited in claim 1, wherein the lower portion of the side riser is of a comb-tooth-shaped structure.
4. The tension-compression type rubber friction metal damper as claimed in claim 1, wherein a plurality of bolt holes for connecting external equipment are arranged on the upper end plate (1) and the lower end plate (8).
5. The tension-compression type rubber friction metal damper as recited in claim 1, wherein the upper side corrugated energy dissipating mild steel (4) and the lower side corrugated energy dissipating mild steel (9) are both made of mild steel with yield strength of 80MPa-220MPa, and the bending angles of the upper side corrugated energy dissipating mild steel (4) and the lower side corrugated energy dissipating mild steel (9) are both 135 °.
6. The tension-compression type rubber friction metal damper as claimed in claim 1, wherein the contact surfaces of the two rubber friction pads (5) are both arc-shaped wavy structures.
7. The tension-compression type rubber friction metal damper as claimed in claim 1, wherein the number of the upper side wave energy dissipation mild steel (4) is three, and the number of the lower side wave energy dissipation mild steel (9) is two.
8. A tension-compression type rubber friction metal damper as claimed in claim 1, characterized in that the connection plate (3) is of an inverted L-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911173544.7A CN110847405B (en) | 2019-11-26 | 2019-11-26 | Tension-compression type rubber friction metal damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911173544.7A CN110847405B (en) | 2019-11-26 | 2019-11-26 | Tension-compression type rubber friction metal damper |
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| Publication Number | Publication Date |
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| CN110847405A CN110847405A (en) | 2020-02-28 |
| CN110847405B true CN110847405B (en) | 2021-05-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911173544.7A Active CN110847405B (en) | 2019-11-26 | 2019-11-26 | Tension-compression type rubber friction metal damper |
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Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10280660A (en) * | 1997-04-08 | 1998-10-20 | Fujita Corp | Base isolation device and friction damper for base isolation device |
| JP3954019B2 (en) * | 2003-12-26 | 2007-08-08 | 川口金属工業株式会社 | Friction damper |
| CN205242632U (en) * | 2015-12-11 | 2016-05-18 | 西安达盛隔震技术有限公司 | Vertical isolation bearing of frictional damping |
| CN205637207U (en) * | 2015-12-24 | 2016-10-12 | 北京工业大学 | Two pressure spring drum radial inflow friction -variable attenuators with compound damping characteristic |
| RU2620275C1 (en) * | 2016-03-14 | 2017-05-24 | Олег Савельевич Кочетов | Vibratory isolator with dry friction damper |
| JP6481088B2 (en) * | 2017-07-20 | 2019-03-13 | 興基 玉田 | Slide attenuator |
| CN107700711A (en) * | 2017-09-25 | 2018-02-16 | 青岛恒科瑞新信息科技有限公司 | A kind of Multifunctional splicing partition wall body and its construction method |
| CN208294206U (en) * | 2018-05-23 | 2018-12-28 | 西安建筑科技大学 | A kind of replaceable frame structure tension and compression type mild steel damper |
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- 2019-11-26 CN CN201911173544.7A patent/CN110847405B/en active Active
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