CN109958208A - A kind of friction-ellipse mild steel bar composite buffer and its working method - Google Patents
A kind of friction-ellipse mild steel bar composite buffer and its working method Download PDFInfo
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- CN109958208A CN109958208A CN201910341667.0A CN201910341667A CN109958208A CN 109958208 A CN109958208 A CN 109958208A CN 201910341667 A CN201910341667 A CN 201910341667A CN 109958208 A CN109958208 A CN 109958208A
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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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- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
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- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention relates to a kind of friction-ellipse mild steel bar composite buffers, including the upper junction steel plate set gradually from top to down, friction plate, middle junction steel plate, elliptic cross-section mild steel bar, lower junction steel plate, several lateral groove bar holes are provided on the upper junction steel plate, it is provided on the friction plate and several one-to-one first installation through-holes in lateral groove bar hole, it is provided on the middle junction steel plate and several lateral groove bar holes longitudinal groove bar hole correspondingly, the upper junction steel plate, friction plate, lateral groove bar hole is passed through through successively vertical between middle junction steel plate, first installation through-hole, the bolt in longitudinal groove bar hole, nut on bolt is attached；The elliptic cross-section mild steel bar quantity is several, top is connect with middle junction steel plate lower surface, bottom end is connect with lower junction steel plate upper surface.The friction-ellipse mild steel bar composite buffer structure is simple.
Description
Technical field
The present invention relates to a kind of friction-ellipse mild steel bar composite buffer and its working methods.
Background technique
Most of researchs not can be carried out and consume energy stage by stage just for single damper at present.It is most of to mild steel at present
The research of damper utilizes steel plate mostly, and steel plate can only consume and consume energy in a single direction, cannot in two directions into
Row energy consumption.
Summary of the invention
In view of the deficiencies in the prior art, technical problem to be solved by the invention is to provide a kind of friction-ellipse mild steel
Stick composite buffer and its working method, are not only simple in structure, and convenient and efficient.
In order to solve the above-mentioned technical problem, the technical scheme is that a kind of friction-ellipse mild steel bar composite damping
Device, including the upper junction steel plate, friction plate, middle junction steel plate, elliptic cross-section mild steel bar, lower connection set gradually from top to down
Steel plate is provided with several lateral groove bar holes on the upper junction steel plate, is provided with and several transverse grooves on the friction plate
One-to-one first installation through-hole in hole is provided on the middle junction steel plate one-to-one with several lateral groove bar holes
Longitudinal groove bar hole, the upper junction steel plate, friction plate through successively vertical pass through lateral groove bar hole, first between middle junction steel plate
Installation through-hole, the bolt in longitudinal groove bar hole, the nut on bolt are attached；The elliptic cross-section mild steel bar quantity is several
Root, top are connect with middle junction steel plate lower surface, bottom end is connect with lower junction steel plate upper surface.
Preferably, the upper junction steel plate lower surface is contacted with friction plate upper surface, friction plate lower surface and middle connection steel
The contact of plate upper surface.
Preferably, elliptic cross-section mild steel bar top is spirally connected or welds with middle junction steel plate through screw, the ellipse
Tee section mild steel bar bottom end is spirally connected or welds through screw and lower junction steel plate.
Preferably, the cross-sectional shape of the elliptic cross-section mild steel bar is ellipse, and elliptic cross-section mild steel bar is along it
Middle part is gradually thicker toward both ends.
Preferably, the quantity of the elliptic cross-section mild steel bar is four, and is distributed in middle junction steel plate and lower connection steel
The upper left corner, the lower left corner between plate, the upper right corner, lower right position.
Preferably, the lateral groove bar hole, the first installation through-hole, longitudinal groove bar hole quantity be five, and be in " ten "
The track of font is distributed in left, center, right, forward and backward position.
Preferably, the length in the lateral groove bar hole and longitudinal groove bar hole is all larger than the threaded portion outer diameter of bolt, the first peace
The internal diameter for filling through-hole is equal with the threaded portion outer diameter of bolt.
Preferably, the upper junction steel plate, be equipped with for the second external installation through-hole on lower junction steel plate.
A kind of working method of friction-ellipse mild steel bar composite buffer, sequentially includes the following steps: damper and passes through people
Font support is placed in below beam, and when small shake occurs, small deformation occurs for structure, generates relative floor displacement, the dynamic upper connection of sill bolt
Steel plate friction friction plate, upper friction part are started to work, and lower part elliptic cross-section mild steel bar has neither part nor lot in energy consumption work；Work as generation
When big shake, malformation increases, and relative floor displacement becomes larger, when displacement is more than bolt in lateral groove bar hole or longitudinal groove bar hole
When maximum movable length, upper friction part work, lower part elliptic cross-section mild steel bar enters working stage, and the two carries out jointly
Energy consumption.
Compared with prior art, the invention has the following advantages: the friction-ellipse mild steel bar composite buffer
Structure is simple, can consume energy stage by stage to adapt to small, big earthquake situations condition, and can consume energy in both direction, improves building
Anti-seismic performance.
The present invention will be further described in detail with reference to the accompanying drawings and detailed description.
Detailed description of the invention
Fig. 1 is the main view of the embodiment of the present invention.
Fig. 2 is the side view of the embodiment of the present invention.
Fig. 3 is the A-A cross-sectional view of Fig. 1.
Fig. 4 is the top view of upper junction steel plate in Fig. 1.
Fig. 5 is the top view of friction plate in Fig. 1.
Fig. 6 is the top view of middle junction steel plate in Fig. 1.
Fig. 7 is the working state schematic representation of the embodiment of the present invention.
Specific embodiment
To make the foregoing features and advantages of the present invention clearer and more comprehensible, special embodiment below, and cooperate attached drawing, make detailed
Carefully it is described as follows.
As shown in Fig. 1 ~ 7, a kind of friction-ellipse mild steel bar composite buffer is upper including what is set gradually from top to down
Junction steel plate 1, friction plate 2, middle junction steel plate 3, elliptic cross-section mild steel bar 4, lower junction steel plate 5, on the upper junction steel plate
Several lateral groove bar holes 6 are provided with, are provided on the friction plate and one-to-one first peace in several lateral groove bar holes
Fill through-hole 7, be provided on the middle junction steel plate with several lateral groove bar holes longitudinal groove bar hole 8 correspondingly, it is described on
Junction steel plate, friction plate through successively vertical pass through lateral groove bar hole, the first installation through-hole, longitudinal groove bar between middle junction steel plate
Nut 10 on the bolt 9 in hole, bolt is attached；The elliptic cross-section mild steel bar quantity is several, top and middle company
Connect lower surface of steel plate connection, bottom end is connect with lower junction steel plate upper surface；Bolt uses high-strength bolt, and intensity is higher than ellipse and cuts
Thin-skinned rod iron avoids bolt because intensity deficiency is first destroyed, and longitudinal groove bar hole is different from the direction in lateral groove bar hole, generates in interlayer
Bolt can be moved in two directions when relative displacement, in addition the elliptic cross-section mild steel bar of lower section can be in each side
To energy consumption, so that damper can consume energy in both direction.
In embodiments of the present invention, the upper junction steel plate lower surface is contacted with friction plate upper surface, friction plate lower surface
It is contacted with middle junction steel plate upper surface.
In embodiments of the present invention, elliptic cross-section mild steel bar top is spirally connected or welds with middle junction steel plate through screw
It connects, elliptic cross-section mild steel bar bottom end is spirally connected or welds through screw and lower junction steel plate.
In embodiments of the present invention, the cross-sectional shape of the elliptic cross-section mild steel bar is ellipse, elliptic cross-section
Mild steel bar is gradually thicker toward both ends along its middle part, and it is different that cross-sectional shape is that ellipse makes mild steel bar in two directions and has
Energy dissipation capacity makes full use of material, and contracting section is carried out in the middle part of mild steel bar, to ensure that, in surrender, end junction will not be because
The premature degradation for stress concentration.
In embodiments of the present invention, the quantity of the elliptic cross-section mild steel bar is four, and is distributed in middle junction steel plate
The upper left corner, the lower left corner, the upper right corner, lower right position between lower junction steel plate.
In embodiments of the present invention, the lateral groove bar hole, the first installation through-hole, longitudinal groove bar hole quantity be five
It is a, and left, center, right, forward and backward position are distributed in the track of " ten " font.
In embodiments of the present invention, the length in the lateral groove bar hole and longitudinal groove bar hole is all larger than outside the threaded portion of bolt
Diameter, the internal diameter of the first installation through-hole and the threaded portion outer diameter of bolt are equal.
In embodiments of the present invention, the upper junction steel plate, be equipped with for the second external installation on lower junction steel plate
Through-hole 11；Upper junction steel plate is mounted on beam by bolt, the second installation through-hole when use, and lower junction steel plate passes through bolt, the
Two installation through-holes are mounted on timbering with rafter arch sets.
A kind of working method of friction-ellipse mild steel bar composite buffer, sequentially includes the following steps: damper and passes through people
Font support 12 is placed in the lower section of beam 13, and when small shake occurs, small deformation occurs for structure, generates relative floor displacement, on sill bolt moves
Junction steel plate friction friction plate, upper friction part are started to work, and lower part elliptic cross-section mild steel bar has neither part nor lot in energy consumption work；When
When big shake occurs, malformation increases, and relative floor displacement becomes larger, when displacement is more than bolt in lateral groove bar hole or longitudinal groove bar
When the maximum movable length in hole, upper friction part work, lower part elliptic cross-section mild steel bar enters working stage, and the two is common
It consumes energy.
The present invention is not limited to above-mentioned preferred forms, anyone can show that other are each under the inspiration of the present invention
Friction-ellipse mild steel bar the composite buffer and its working method of kind form.It is all to be done according to scope of the present invention patent
Equivalent changes and modifications are all covered by the present invention.
Claims (9)
1. a kind of friction-ellipse mild steel bar composite buffer, it is characterised in that: including the upper connection set gradually from top to down
Steel plate, friction plate, middle junction steel plate, elliptic cross-section mild steel bar, lower junction steel plate are provided on the upper junction steel plate several
A transverse direction groove bar hole, be provided on the friction plate with several one-to-one first installation through-holes in lateral groove bar hole, it is described
It is provided on middle junction steel plate and several lateral groove bar holes longitudinal groove bar hole correspondingly, the upper junction steel plate, friction
Through successively vertical bolt, the bolt for passing through lateral groove bar hole, the first installation through-hole, longitudinal groove bar hole between piece, middle junction steel plate
On nut be attached；The elliptic cross-section mild steel bar quantity is several, top is connect with middle junction steel plate lower surface,
Bottom end is connect with lower junction steel plate upper surface.
2. friction according to claim 1-ellipse mild steel bar composite buffer, it is characterised in that: the upper connection steel
Plate lower surface is contacted with friction plate upper surface, and friction plate lower surface is contacted with middle junction steel plate upper surface.
3. friction according to claim 1-ellipse mild steel bar composite buffer, it is characterised in that: the ellipse is cut
Thin-skinned rod iron top is spirally connected or welds with middle junction steel plate through screw, and elliptic cross-section mild steel bar bottom end is through screw and lower company
Steel plate is connect to be spirally connected or weld.
4. friction according to claim 1-ellipse mild steel bar composite buffer, it is characterised in that: the ellipse is cut
The cross-sectional shape of thin-skinned rod iron is ellipse, and elliptic cross-section mild steel bar is gradually thicker toward both ends along its middle part.
5. friction according to claim 1-ellipse mild steel bar composite buffer, it is characterised in that: the ellipse is cut
The quantity of thin-skinned rod iron is four, and the upper left corner, the lower left corner, upper right being distributed between middle junction steel plate and lower junction steel plate
Angle, lower right position.
6. friction according to claim 1-ellipse mild steel bar composite buffer, it is characterised in that: the transverse direction groove bar
Hole, the first installation through-hole, longitudinal groove bar hole quantity be five, and in the track of " ten " font be distributed in left, center, right, it is preceding,
Position afterwards.
7. friction according to claim 1-ellipse mild steel bar composite buffer, it is characterised in that: the transverse direction groove bar
The length in hole and longitudinal groove bar hole is all larger than the threaded portion outer diameter of bolt, outside the internal diameter of the first installation through-hole and the threaded portion of bolt
Diameter is equal.
8. friction according to claim 1-ellipse mild steel bar composite buffer, it is characterised in that: the upper connection steel
It is equipped on plate, lower junction steel plate for the second external installation through-hole.
9. a kind of working method of any friction-ellipse mild steel bar composite buffer according to claims 1-8, special
Sign is, sequentially includes the following steps: damper and is placed in below beam by timbering with rafter arch sets, and when small shake occurs, structure occurs small
Deformation generates relative floor displacement, the dynamic upper junction steel plate friction friction plate of sill bolt, and upper friction part is started to work, and lower part is ellipse
Circular cross-section mild steel bar has neither part nor lot in energy consumption work；When big shake occurs, malformation increases, and relative floor displacement becomes larger, and works as position
Moving is more than bolt in the maximum movable length in lateral groove bar hole or longitudinal groove bar hole, the work of upper friction part, and lower part is oval
Tee section mild steel bar enters working stage, and the two consumes energy jointly.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910341667.0A CN109958208A (en) | 2019-04-26 | 2019-04-26 | A kind of friction-ellipse mild steel bar composite buffer and its working method |
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| CN201910341667.0A CN109958208A (en) | 2019-04-26 | 2019-04-26 | A kind of friction-ellipse mild steel bar composite buffer and its working method |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021057092A1 (en) * | 2019-09-27 | 2021-04-01 | 长沙理工大学 | Energy dissipation damper based on tension and compression yield of perforated steel plate |
| CN113338467A (en) * | 2021-05-31 | 2021-09-03 | 北京市建筑设计研究院有限公司 | Hierarchical yield shear type mild steel damper and construction method thereof |
| US11371241B2 (en) | 2019-09-27 | 2022-06-28 | Changsha University Of Science & Technology | Damper for energy dissipation |
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| CN101135182A (en) * | 2007-07-17 | 2008-03-05 | 大连理工大学 | Double X-type friction-yield steel energy dissipator |
| CN101135181A (en) * | 2007-07-17 | 2008-03-05 | 大连理工大学 | Round hole type friction-yield steel energy dissipator |
| CN103696502A (en) * | 2013-12-09 | 2014-04-02 | 南京工业大学 | Shearing and bending combined type grading yield soft steel damper |
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| CN206529927U (en) * | 2017-03-14 | 2017-09-29 | 沈阳城市建设学院 | A kind of civil engineering damping device |
| CN109629701A (en) * | 2019-01-03 | 2019-04-16 | 西安建筑科技大学 | A kind of replaceable three-dimensional energy consumption rubber mild steel damper for bent structure bean column node |
| CN209874126U (en) * | 2019-04-26 | 2019-12-31 | 福州大学 | Friction-oval mild steel bar composite damper |
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| CN101135182A (en) * | 2007-07-17 | 2008-03-05 | 大连理工大学 | Double X-type friction-yield steel energy dissipator |
| CN101135181A (en) * | 2007-07-17 | 2008-03-05 | 大连理工大学 | Round hole type friction-yield steel energy dissipator |
| CN103696502A (en) * | 2013-12-09 | 2014-04-02 | 南京工业大学 | Shearing and bending combined type grading yield soft steel damper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021057092A1 (en) * | 2019-09-27 | 2021-04-01 | 长沙理工大学 | Energy dissipation damper based on tension and compression yield of perforated steel plate |
| US11371241B2 (en) | 2019-09-27 | 2022-06-28 | Changsha University Of Science & Technology | Damper for energy dissipation |
| CN113338467A (en) * | 2021-05-31 | 2021-09-03 | 北京市建筑设计研究院有限公司 | Hierarchical yield shear type mild steel damper and construction method thereof |
| CN113338467B (en) * | 2021-05-31 | 2022-08-09 | 北京市建筑设计研究院有限公司 | Hierarchical yield shear type mild steel damper and construction method thereof |
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