CN103410238A - Multidirectional friction tensile damper - Google Patents
Multidirectional friction tensile damper Download PDFInfo
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- CN103410238A CN103410238A CN2013101932865A CN201310193286A CN103410238A CN 103410238 A CN103410238 A CN 103410238A CN 2013101932865 A CN2013101932865 A CN 2013101932865A CN 201310193286 A CN201310193286 A CN 201310193286A CN 103410238 A CN103410238 A CN 103410238A
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Abstract
The invention relates to a multidirectional friction tensile damper. The multidirectional friction tensile damper comprises long friction steel plates, square friction steel plates, a backing plate, side stop dogs, fixing end blocks and pressurizing bolts, wherein the long friction steel plates and the square friction steel plates are stacked alternately, the stacked long friction steel plates and square friction steel plates are divided into two parts to be stacked orthogonally, and the number of stacking layers is determined by the required performance of the damper; the long friction steel plates and the square friction steel plates are connected and pressurized through the bolts, and the sizes and the pressures of the bolts are determined by required damping force and required vertical tensile resistance; the sides of the two parts of the long friction steel plates stacked orthogonally are limited against deformation through the long side stop dogs or the short side stop dogs, and the long side stop dogs or the short side stop dogs are welded to the contact face of the long friction steel plates; the one backing plate is clamped between the two adjacent plates at the two ends of the long friction steel plates to be connected to the fixing end blocks; the fixing end blocks are respectively connected with a foundation and the upper structure, and when the foundation and the upper structure shift relative to each other, the long friction steel plates and the square friction steel plates generate damping force. When working, the damper not only can provide large damping force and deformation in all directions in a plane, but also has the vertical tensile resistance.
Description
Technical field
The present invention relates to a kind of multidirectional friction tensile damping device.
Background technology
At present, known damping mechanism for shock-insulation building has: the lead for retractable pencil of U-shaped lead damper, U-shaped steel damper, annular rod iron damper, oil damper and lead-rubber etc.Wherein, lead is that a kind of meeting produces the heavy metal polluted to environment; Moreover, China's seismic design provision in building code (GB 50011-2010) regulation isolation structure depth-width ratio should be less than 4, this is mainly because the tensile property of above damper commonly used and shock isolating pedestal is all more weak, the large ratio of height to width isolation structure under geological process easily recurring structure topple.The present invention, from another angle, has designed a kind of environmentally friendly damper that can bear vertical tension formed with steel and other friction materials.
Summary of the invention
The object of the invention is to the defect existed for prior art, a kind of multidirectional friction tensile damping device be provided, this damper when work planar all directions larger damping force, large deformation are provided, also possess certain vertical resistance to tension.
To achieve the above object of the invention, design of the present invention is: multidirectional friction tensile damping device of the present invention, and by the long steel plate of friction, the square steel plate that rubs, backing plate, side direction block, fixedly end block, pressurization bolt form.It is characterized in that: rub long steel plate and friction square steel plate are alternately stacked, and the long steel plate that rubs divides two parts, and quadrature stacks, and stack number of plies damper performance as required and determine; The long steel plate that rubs is connected pressurization with friction square steel plate with bolt, and bolt size and pressure damping force as required and vertical stretching resistance determine; The side direction of the long steel plate of two parts of quadrature friction is by the lateral deformation of side direction stop limits steel plate, the preset steel plate fixed-link in contact surface and block; Two ends and fixed end block chaining; Fixed end links with basis and superstructure respectively, and while on basis, with superstructure, relative displacement being arranged, the long steel plate that rubs produces damping force with the friction of friction square steel plate.
The long steel plate of described friction is the rectangle steel plate, on face, leaves at least two grooves, and the width of groove is with to link the diameter of bolt identical, and length is determined by required distortion size.Friction square steel plate is square plate, the wide little 1-2mm of side ratio friction steel plate, and the plate face is beaten bolt hole according to the groove correspondence position of opening on steel plate surface, in order to assemble with friction steel plate.
According to foregoing invention, conceive, the present invention adopts following technical proposals: a kind of multidirectional friction tensile damping device, comprise: the long steel plate that rubs, friction square steel plate, backing plate, side direction block, fixedly end block, pressurization bolt, it is characterized in that: rub long steel plate and friction square steel plate are alternately stacked, the long steel plate of stacked friction and friction square steel plate are divided into two parts and quadrature stacks, and stack number of plies damper performance as required to determine; The long steel plate that rubs is connected pressurization with friction square steel plate with bolt, and bolt size and pressure damping force as required and vertical stretching resistance determine; The side direction of the long steel plate of two parts friction that quadrature stacks is by the long block of side direction or the lateral deformation of the short stop limits steel plate of side direction, and the long block of side direction or the short block of side direction weld with the long steel plate contact surface of friction; Rub in the adjacent two boards at long steel plate two ends and sandwich after a backing plate and the fixed end block chaining; Fixedly end block links with basis and superstructure respectively, and while on basis, with superstructure, relative displacement being arranged, the long steel plate that rubs produces damping force with the friction of friction square steel plate.Described a kind of multidirectional friction tensile damping device, it is characterized in that: rub long steel plate and friction square steel plate by the structure of bolt link pressurization are: on the long steel plate of described friction, have two long grooves of wearing one groove to be aimed at two holes with four bolts hole on friction square steel plate, after with four bolts, passing respectively that four bolts hole of friction square steel plate and the long steel plate of friction two are long and wear groove, screw and realize the link pressurization by nut, to control the long steel plate of friction and the frictional force between the square steel plate of rubbing.
For isolation structure, with the lead rubber bearings co-operation, utilize the elasticity of rubber earthquake isolation support to make whole mechanism have self-resetting capability this multidirectional friction tensile damping device invention.This invention can replace lead for retractable pencil that damping is provided, and is conducive to environmental protection, and this invention has large deformation and certain resistance to tension, can enrich the applicable building structure of isolation structure for structure, is conducive to the development of isolation structure.
The accompanying drawing explanation
Fig. 1 is the schematic diagram of multidirectional friction tensile damping device embodiment mono-.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the lateral plan of Fig. 1.
Fig. 4 is the sectional view of Fig. 2 along the A-A hatching line.
Fig. 5 is friction long steel plate (1).
Fig. 6 is friction square steel plate (2).
Fig. 7 is backing plate (4).
Fig. 8 is fixing end block (5).
Fig. 9 is that concrete side is to long block (6).
Figure 10 arranges sectional drawing for the long steel plate of friction and friction square steel plate.
Figure 11 is the schematic diagram of multidirectional friction tensile damping device embodiment bis-.
Figure 12 is the short block of steel side direction (7).
Figure 13 is the schematic diagram of multidirectional friction tensile damping device embodiment tri-.
The specific embodiment
The preferred embodiments of the present invention accompanying drawings is as follows:
Embodiment mono-:
Referring to Fig. 1～Figure 10, this multidirectional friction tensile damping device, comprise: the long steel plate (1) that rubs, friction square steel plate (2), backing plate (4), side direction block (6), fixedly end block (5), pressurization bolt (3), it is characterized in that: rub long steel plate (1) and friction square steel plate (2) are alternately stacked, the long steel plate of stacked friction (1) and friction square steel plate (2) are divided into two parts and quadrature stacks, and stack number of plies damper performance as required and determine; The long steel plate (1) that rubs is connected pressurization with friction square steel plate (2) with bolt (3), and bolt size and pressure damping force as required and vertical stretching resistance determine; The side direction of two parts long steel plates of friction (1) that quadrature stacks is by the long block of side direction (6) or the lateral deformation of the short block of side direction (7) restriction steel plate, and the long block of side direction (6) or the short block of side direction (7) weld with friction long steel plate (1) contact surface; Rub in the adjacent two boards at long steel plate (1) two ends to sandwich after a backing plate (4) with fixing end block (5) and link; Fixedly end block links with basis and superstructure respectively, and while on basis, with superstructure, relative displacement being arranged, the long steel plate (1) that rubs produces damping force with friction square steel plate (2) friction.
Embodiment bis-:
The present embodiment and embodiment mono-are basic identical, special feature is: the long steel plate of described friction (1) and friction square steel plate (2) by the structure of bolt (3) link pressurization are: on the long steel plate of described friction (1), have two long grooves of wearing one groove to be aimed at two holes with four bolts hole on friction square steel plate (2), after with four bolts (3), passing respectively that four bolts hole of friction square steel plate (2) and the long steel plate of friction (1) two are long and wear groove, screw and realize the link pressurization by nut, to control friction long steel plate (1) and the frictional force between square steel plate (2) of rubbing.
Embodiment tri-:
Referring to Fig. 4～Figure 12, this high performance grinding type damper comprises: the long steel plate (1) that rubs, friction square steel plate (2), backing plate (4), side direction block (7), fixedly end block (5), pressurization bolt (3).Rub long steel plate (1) and friction square steel plate (2) is stacked alternately, and the long steel plate (1) that rub divides two parts, and quadrature stacks, and stacks number of plies damper performance decision as required; The long steel plate (1) that rubs is connected pressurization with friction square steel plate (2) with bolt, and bolt size and pressure damping force as required and vertical stretching resistance determine; The side direction of two parts long steel plates of friction (1) of quadrature is by the lateral deformation of the short block of side direction (7) restriction steel plate, contact surface and block fixed-link; Two ends link with fixing end block (5); Fixed end links with basis and superstructure respectively, and while on basis, with superstructure, relative displacement being arranged, the long steel plate (1) that rubs produces damping force with friction square steel plate (2) friction.
Embodiment tetra-:
Referring to Fig. 4～Figure 13, this high performance grinding type damper, comprise: the long steel plate (1) that rubs, friction square steel plate (2), backing plate (4), fixedly end block (5), pressurization bolt (3), it is characterized in that: the long steel plate of described friction (1) is stacked alternately with friction square steel plate (2), the two upper and lower block plates of square steel plate (2) that rub are mutually orthogonal, the long steel plate (1) that rubs is connected pressurization with friction square steel plate (2) with bolt, and bolt size and pressure damping force as required and vertical stretching resistance determine; Two ends link with fixing end block (5); Fixed end links with basis and superstructure respectively, and while on basis, with superstructure, relative displacement being arranged, the long steel plate (1) that rubs produces damping force with friction square steel plate (2) friction.
Claims (2)
1. multidirectional friction tensile damping device, comprise: the long steel plate (1) that rubs, friction square steel plate (2), backing plate (4), side direction block (6), fixedly end block (5), pressurization bolt (3), it is characterized in that: rub long steel plate (1) and friction square steel plate (2) are alternately stacked, the long steel plate of stacked friction (1) and friction square steel plate (2) are divided into two parts and quadrature stacks, and stack number of plies damper performance as required and determine; The long steel plate (1) that rubs is connected pressurization with friction square steel plate (2) with bolt (3), and bolt size and pressure damping force as required and vertical stretching resistance determine; The side direction of two parts long steel plates of friction (1) that quadrature stacks is by the long block of side direction (6) or the lateral deformation of the short block of side direction (7) restriction steel plate, and the long block of side direction (6) or the short block of side direction (7) weld with friction long steel plate (1) contact surface; Rub in the adjacent two boards at long steel plate (1) two ends to sandwich after a backing plate (4) with fixing end block (5) and link; Fixedly end block links with basis and superstructure respectively, and while on basis, with superstructure, relative displacement being arranged, the long steel plate (1) that rubs produces damping force with friction square steel plate (2) friction.
2. a kind of multidirectional friction tensile damping device according to claim 1, it is characterized in that: rub long steel plate (1) and friction square steel plate (2) by the structure of bolt (3) link pressurization are: on the long steel plate of described friction (1), have two long grooves of wearing one groove to be aimed at two holes with four bolts hole on friction square steel plate (2), with four bolts (3), passing respectively long the wearing after groove by nut of four bolts hole of friction square steel plate (2) and the long steel plate of friction (1) two screws and realizes that link pressurizes, to control the frictional force between friction long steel plate (1) and friction square steel plate (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310193286.5A CN103410238B (en) | 2013-05-23 | 2013-05-23 | A kind of multidirectional friction tensile damping device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310193286.5A CN103410238B (en) | 2013-05-23 | 2013-05-23 | A kind of multidirectional friction tensile damping device |
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| CN103410238A true CN103410238A (en) | 2013-11-27 |
| CN103410238B CN103410238B (en) | 2015-12-30 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295653A (en) * | 2014-10-09 | 2015-01-21 | 无锡圣丰减震器有限公司 | Self-limiting multidirectional tensile friction damper |
| CN106013922A (en) * | 2016-07-19 | 2016-10-12 | 天津职业技术师范大学 | Double-phase friction damper and damping method thereof |
| CN108951907A (en) * | 2018-07-19 | 2018-12-07 | 同济大学 | A kind of multidirectional frcition damper of combined type |
| CN109252600A (en) * | 2018-11-01 | 2019-01-22 | 赵文忠 | Multidirectional friction damper and building structure using same |
| CN109252589A (en) * | 2018-11-01 | 2019-01-22 | 赵文忠 | Based on polar coordinate system design multidirectional frcition damper, use its building |
| CN114250881A (en) * | 2022-01-17 | 2022-03-29 | 南京林业大学 | '5 + 4' orthogonal viscoelastic damping device |
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| CN2424250Y (en) * | 2000-03-07 | 2001-03-21 | 丁娟 | Laminated surface slide friction compounded shock isolating abutment |
| JP2001262859A (en) * | 2000-03-21 | 2001-09-26 | Toyo Tire & Rubber Co Ltd | Damping equipment |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104295653A (en) * | 2014-10-09 | 2015-01-21 | 无锡圣丰减震器有限公司 | Self-limiting multidirectional tensile friction damper |
| CN106013922A (en) * | 2016-07-19 | 2016-10-12 | 天津职业技术师范大学 | Double-phase friction damper and damping method thereof |
| CN106013922B (en) * | 2016-07-19 | 2018-01-19 | 天津职业技术师范大学 | A kind of second order frcition damper and shock-dampening method |
| CN108951907A (en) * | 2018-07-19 | 2018-12-07 | 同济大学 | A kind of multidirectional frcition damper of combined type |
| CN109252600A (en) * | 2018-11-01 | 2019-01-22 | 赵文忠 | Multidirectional friction damper and building structure using same |
| CN109252589A (en) * | 2018-11-01 | 2019-01-22 | 赵文忠 | Based on polar coordinate system design multidirectional frcition damper, use its building |
| CN114250881A (en) * | 2022-01-17 | 2022-03-29 | 南京林业大学 | '5 + 4' orthogonal viscoelastic damping device |
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| CN103410238B (en) | 2015-12-30 |
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