CN219825688U - Novel monolithic viscous-friction composite damper - Google Patents
Novel monolithic viscous-friction composite damper Download PDFInfo
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- CN219825688U CN219825688U CN202320979257.0U CN202320979257U CN219825688U CN 219825688 U CN219825688 U CN 219825688U CN 202320979257 U CN202320979257 U CN 202320979257U CN 219825688 U CN219825688 U CN 219825688U
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- 239000002131 composite material Substances 0.000 title claims abstract description 19
- 238000005265 energy consumption Methods 0.000 claims abstract description 32
- 238000013016 damping Methods 0.000 claims abstract description 15
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 57
- 229910052802 copper Inorganic materials 0.000 claims description 57
- 239000010949 copper Substances 0.000 claims description 57
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- 230000021715 photosynthesis, light harvesting Effects 0.000 claims description 34
- 239000007788 liquid Substances 0.000 claims description 17
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 230000001133 acceleration Effects 0.000 abstract description 5
- 230000009471 action Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000004044 response Effects 0.000 abstract description 4
- 239000000463 material Substances 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Abstract
The utility model provides a novel single-piece viscous-friction composite damper, which comprises a damper top plate, a friction viscous energy consumption plate, a friction viscous groove and a friction assembly, wherein the friction assembly is arranged on the damper top plate; the damper top plate is connected with the bottom of the building roof beam, the upper cantilever section or the upper connecting pier head, the friction viscous energy consumption plate is welded with the damper top plate and embedded in the friction viscous groove, and the plates and the friction assembly are connected through a pre-tightening bolt; the utility model is a damper which combines the friction damper and the viscous damper, realizes that the two types of dampers work simultaneously under small, medium and large vibration and provide different damping forces, effectively controls the acceleration action of a building structure, ensures that the building structure meets the normal use requirement, effectively controls the displacement response of the building structure and provides safe reserve for the building structure; the product has the advantages of simple processing, less material loss, low cost and better economic benefit.
Description
Technical Field
The utility model relates to a damping technology of a building structure, in particular to a novel monolithic viscous-friction composite damper.
Background
The building structure damping technology is a technology for consuming energy input into a building through damping products, so that the function of protecting a main structure is well achieved. The damping product converts kinetic energy into heat energy in the modes of flowing, friction, yielding and the like, so that the energy input by earthquake is dissipated, the deformation and structural damage of the main structure of the building are reduced, and the main structure is protected.
The friction damper is a damping device applied to a building structure, and starts to slide and consume energy under the condition of small earthquake, and the friction force is the same under the condition of medium earthquake and large earthquake, so that equal proportion of energy consumption can not be provided correspondingly; the friction damper is a displacement damper, has no obvious acceleration control effect on the building, and cannot reduce the acceleration response of the building.
The viscous damping wall is another damping device applied to a building structure, has small displacement and movement under the condition of small earthquake, and can not fully play the role of a damper due to tiny energy dissipation. Under the conditions of medium earthquake and large earthquake, the viscous damping wall consumes energy sufficiently, and the main structure can be well protected.
Disclosure of Invention
In view of the above, the present utility model provides a novel monolithic viscous-friction composite damper.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the novel monolithic viscous-friction composite damper is arranged between an A position and a B position of an anti-seismic building structure and comprises a damper top plate, a friction viscous energy consumption plate, a friction viscous groove and a friction assembly; the upper surface of the top plate of the damper is connected with the A position of the building structure, and the A position comprises the top beam bottom, the upper cantilever section or the upper connecting pier head and the like of the building; the center position of the lower surface of the top plate of the damper is fixedly connected with the upper surface of the friction viscous energy dissipation plate;
the friction viscous energy dissipation plate is embedded in the friction viscous groove;
the friction viscous groove is a semi-closed cuboid groove-shaped structure with an opening at the top end, and the semi-closed cuboid groove-shaped structure is formed by a damper bottom plate, two friction viscous groove vertical plates and two friction viscous groove side plates; the lower surface of the damper bottom plate is connected with a building structure B position, and the B position comprises a building bottom beam top, a lower cantilever section or a lower connecting pier head and the like;
the friction viscous groove is filled with damper viscous liquid;
further, the friction viscous groove vertical plate and the upper part of the friction viscous energy consumption plate are provided with hole groups for the transverse relative sliding of the friction viscous groove vertical plate and the friction viscous energy consumption plate;
the friction assembly is arranged on the friction viscous groove and the friction viscous energy consumption plate through the hole group and used for increasing friction force between the friction viscous groove and the friction viscous energy consumption plate, and the friction viscous groove, the friction viscous energy consumption plate and the friction assembly are fixed through the pre-tightening bolt passing through the hole group.
Further, the friction assembly is a single-sided friction assembly comprising: two inner friction copper sheets and two inner adhesive steel plates;
the inner friction copper sheet and the inner pasting steel plate are uniformly distributed with first round holes with the same size;
the inner pasting steel plate is welded and pasted on the inner side of the friction viscous groove vertical plate, and the inner friction copper sheet is arranged between the friction viscous energy consumption plate and the inner pasting steel plate;
the two inner friction copper sheets and the two inner adhesive steel plates are arranged in an axisymmetric manner through friction viscous energy dissipation plates;
the pre-tightening bolts penetrate through the first round holes and the hole groups to fix and tightly attach the friction viscous energy dissipation plate, the inner friction copper sheet and the inner attaching steel plate.
Preferably, the friction assembly is a double-sided friction assembly, comprising: two inner friction copper sheets, two outer friction copper sheets and two outer adhesion steel plates;
the inner friction copper sheet, the outer friction copper sheet and the two outer pasting steel plates are uniformly distributed with second round holes with the same size;
the inner friction copper sheet is arranged between the friction viscous energy consumption plate and the friction viscous groove vertical plate, the outer pasting steel plate is welded and pasted on the outer side of the friction viscous groove vertical plate, and the outer friction copper sheet is arranged between the friction viscous groove vertical plate and the outer pasting steel plate;
the two inner friction copper sheets, the two outer adhered steel plates and the two outer friction copper sheets are arranged in an axisymmetric manner by friction viscous energy dissipation plates;
the pre-tightening bolt penetrates through the second round hole and the hole group to fix and tightly attach the inner friction copper sheet, the friction viscous energy dissipation plate, the outer friction copper sheet and the outer attaching steel plate.
Preferably, the hole group comprises a long round hole and a round hole; the upper part of the friction viscous groove vertical plate is uniformly provided with round holes, the upper part of the friction viscous energy dissipation plate is uniformly provided with transverse oblong holes, or the upper part of the friction viscous groove vertical plate is uniformly provided with transverse oblong holes, and the upper part of the friction viscous energy dissipation plate is uniformly provided with round holes.
Preferably, the distance between the damper viscous liquid and the friction copper sheet is at least 100 mm.
Preferably, the damper viscous liquid is a viscous liquid that can produce viscous damping.
Compared with the prior art, the utility model has the beneficial effects that: (1) The utility model is a damper which combines the friction damper and the viscous damper, realizes that the two types of dampers work simultaneously under small, medium and large vibration and provide different damping forces, effectively controls the acceleration action of a building structure, ensures that the building structure meets the normal use requirement, effectively controls the displacement response of the building structure and provides safe reserve for the building structure; (2) The product has the advantages of simple processing, less material loss, low cost and better economic benefit;
drawings
FIG. 1 is a front view of a novel monolithic viscous-friction composite damper of the present utility model.
FIG. 2 is a 3D isometric view of a novel monolithic viscous-friction composite damper of the present utility model.
FIG. 3 is a cross-sectional view of a novel monolithic viscous-friction composite damper incorporating a single-sided friction fixation unit in accordance with the present utility model.
FIG. 4 is a cross-sectional view of a novel monolithic viscous-friction composite damper incorporating a double-sided friction fixation unit according to the present utility model.
In the figure: 10-a damper top plate; 11-friction viscous energy dissipation plate; 14-friction viscous groove; 15-friction-stiction groove side plates; 21-friction-stiction slot riser; 22-inner pasting steel plates; 24-damper base plate; 31-internal friction copper sheet; 32-pre-tightening the bolts; 34-externally rubbing copper sheets; 41-damper viscous fluid; 51-externally attached steel plate.
Detailed Description
For a further understanding of the objects, construction, features, and functions of the utility model, reference should be made to the following detailed description of the preferred embodiments.
Referring to fig. 1, 2, 3 and 4, the present utility model provides a novel monolithic viscous-friction composite damper, which is disposed between a position a and a position B of an earthquake-resistant building structure and comprises a damper top plate 10, a friction viscous energy dissipation plate 11, a friction viscous groove 14 and a friction assembly; the upper surface of the damper top plate 10 is connected with the A position of the building structure, wherein the A position comprises the top beam bottom, the upper cantilever section or the upper connecting pier head and the like of the building; the center position of the lower surface of the damper top plate 10 is fixedly connected with the upper surface of the friction viscous energy dissipation plate 11;
the friction viscous energy dissipation plate 11 is embedded in the friction viscous groove 14;
the friction viscous groove is a semi-closed cuboid groove-shaped structure with an opening at the top end, which is formed by a damper bottom plate, two friction viscous groove vertical plates and two friction viscous groove side plates in a surrounding mode; the two friction viscous groove vertical plates are respectively welded with the upper surface of the damper bottom plate at the front side and the rear side of the friction viscous energy consumption plate, and the two friction viscous groove side plates are respectively welded with the upper surface of the damper bottom plate at the left side and the right side of the two friction viscous groove vertical plates;
the lower surface of the damper bottom plate is connected with a building structure B, and the B comprises a building bottom beam top, a lower cantilever section or a lower connecting pier head and the like;
the friction viscous groove is filled with damper viscous liquid 41;
through filling the friction viscous liquid in the friction viscous groove, the viscous liquid is filled between the friction viscous energy consumption plate 11 of the damper and the vertical plate of the friction viscous groove, the position A and the position B generate mutual dislocation during earthquake action, the friction viscous energy consumption plate 11 moves in the viscous liquid, and the viscous liquid enables vibration energy of a building structure to be rapidly converted into heat energy of molecules inside the material, so that the vibration amplitude of the structure is reduced;
further, the upper parts of the friction viscous groove vertical plate and the friction viscous energy dissipation plate 11 are provided with hole groups for the transverse relative sliding of the friction viscous groove vertical plate 21 and the friction viscous energy dissipation plate 11;
the friction assembly is arranged on the friction viscous groove 14 and the friction viscous energy consumption plate 11 through the hole group and used for increasing friction force between the friction viscous groove 14 and the friction viscous energy consumption plate 11, and the friction viscous groove 14, the friction viscous energy consumption plate 11 and the friction assembly are fixed through the hole group by the pretightening bolt 32.
Further, the friction assembly is a single-sided friction assembly comprising: two inner friction copper sheets 31 and two inner adhesive steel plates 22;
the inner friction copper sheet 31 and the inner adhesive steel plate 22 are uniformly provided with first round holes with the same size;
the inner pasting steel plate 22 is welded and pasted on the inner side of the friction viscous groove vertical plate 21, and the inner friction copper sheet 31 is arranged between the friction viscous energy consumption plate 11 and the inner pasting steel plate 22;
the two inner friction copper sheets 31 and the two inner adhesive steel plates 22 are arranged in an axisymmetric way by the friction viscous energy dissipation plate 11;
the pre-tightening bolts 32 pass through the first round holes and the hole groups to tightly attach the friction viscous energy dissipation plate 11, the inner friction copper sheet 31 and the inner attaching steel plate 22.
Preferably, the friction assembly is a double sided friction assembly comprising: two inner friction copper sheets 31, two outer friction copper sheets 34 and two outer adhesion steel plates 51;
the inner friction copper sheet 31, the outer friction copper sheet 34 and the two outer attached steel plates 51 are uniformly distributed with second round holes with the same size;
the inner friction copper sheet 31 is arranged between the friction viscous energy consumption plate 11 and the friction viscous groove vertical plate 21, the outer pasting steel plate 51 is arranged on the outer side of the friction viscous groove vertical plate 21, and the outer friction copper sheet 34 is arranged between the friction viscous groove vertical plate 21 and the outer pasting steel plate 51;
the two inner friction copper sheets 31, the two outer adhered steel plates 51 and the two outer friction copper sheets 34 are arranged in an axisymmetric manner by the friction viscous energy dissipation plate 11;
the pre-tightening bolt 32 passes through the second round hole and the hole group to tightly attach the inner friction copper sheet 31, the friction viscous energy dissipation plate 11, the outer friction copper sheet 34 and the outer attaching steel plate 51;
the outer friction copper sheet 34 is prevented from being directly exposed to the outermost side of the novel single-sheet viscous-friction composite damper by the aid of the outer adhesive steel plate 51, the outer friction copper sheet 34 is protected, and the friction force of the friction viscous composite damper can be effectively improved by the aid of the inner friction copper sheet and the outer friction copper sheet.
Preferably, the hole group comprises a long round hole and a round hole; the upper part of the friction viscous groove vertical plate 21 is uniformly provided with round holes, the upper part of the friction viscous energy dissipation plate 11 is uniformly provided with transverse oblong holes, or the upper part of the friction viscous groove vertical plate 21 is uniformly provided with transverse oblong holes, and the upper part of the friction viscous energy dissipation plate 11 is uniformly provided with round holes.
The bolt rod of the bolt can generate relative motion in the oblong hole through arranging the oblong hole and the round hole, if the bolt rod of the bolt is in the oblong hole, the bolt rod of the bolt cannot generate displacement, and friction force cannot be generated;
preferably, the damper dope 41 is at least 100mm away from the friction copper sheet.
By reserving the distance between the damper viscous liquid 41 and the friction copper sheet by at least 100mm, the phenomenon that the damper viscous liquid directly contacts the friction copper sheet to influence the work of the friction copper sheet is avoided.
Preferably, the damper viscous liquid is a viscous liquid that produces viscous damping.
The device is used for placing the damper between the building position A and the building position B, when an earthquake happens, the earthquake action enables the position A to horizontally move left and right, through the long round hole in the horizontal direction, the damper friction viscous energy consumption plate 11, the friction viscous groove vertical plate 21 and the steel plate are driven to relatively move in the horizontal direction, the damper friction viscous energy consumption plate 11 and the steel plate are connected through the pre-tightening bolts 32 and apply pre-tightening force, the pre-tightening force provides sliding friction force, and the friction force dissipates part of earthquake energy.
The utility model relates to a damper which combines a friction damper and a viscous damper, wherein the sliding friction force of the friction damper is related to friction coefficient and pressure, the friction viscous energy consumption plate 11 of the friction damper and a steel plate can be generated by relative movement, and the size is constant; the viscous damping energy consumption is related to the movement speed of the damper friction viscous energy consumption plate 11, and the larger the speed is, the stronger the energy consumption capability is. Therefore, when the structure encounters small shock, friction energy consumption plays a main role; when the structure encounters a middle earthquake, the friction energy consumption and the viscous energy consumption can play ideal roles; when the structure encounters a major earthquake, viscous energy consumption plays a main role; the two types of dampers can work simultaneously under small, medium and large shocks and provide different damping forces, so that the acceleration effect of the building structure is effectively controlled, the building structure meets the normal use requirement, the displacement response of the building structure is effectively controlled, and the safety reserve is provided for the building structure.
The utility model has been described with respect to the above-described embodiments, however, the above-described embodiments are merely examples of practicing the utility model. It should be noted that the disclosed embodiments do not limit the scope of the utility model. On the contrary, the intention is to cover all modifications, equivalents, and alternatives falling within the spirit and scope of the utility model.
Claims (6)
1. Novel monolithic stiction-friction composite damper, the attenuator sets up between antidetonation building structure A position and B position, its characterized in that: comprises a damper top plate (10), a friction viscous energy consumption plate (11), a friction viscous groove (14) and a friction assembly; the upper surface of the damper top plate (10) is connected with the position A of the building structure, and the central position of the lower surface of the damper top plate (10) is fixedly connected with the upper surface of the friction viscous energy dissipation plate (11);
the friction viscous energy dissipation plate (11) is embedded in the friction viscous groove (14);
the friction viscous groove (14) is a semi-closed cuboid groove-shaped structure with an open top and formed by a damper bottom plate (24), two friction viscous groove vertical plates (21) and two friction viscous groove side plates (15) in a surrounding mode; the lower surface of the damper bottom plate (24) is connected with the building structure B in position;
the upper parts of the friction viscous groove vertical plate (21) and the friction viscous energy dissipation plate (11) are provided with hole groups for the transverse relative sliding of the friction viscous groove vertical plate (21) and the friction viscous energy dissipation plate (11);
the friction viscous groove (14) is filled with damper viscous liquid (41);
the friction assembly is arranged on the friction viscous groove (14) and the friction viscous energy dissipation plate (11) through the hole group and used for increasing friction force between the friction viscous groove (14) and the friction viscous energy dissipation plate (11), and the friction viscous groove (14), the friction viscous energy dissipation plate (11) and the friction assembly are fixed through the pre-tightening bolt (32) penetrating through the hole group.
2. The novel monolithic viscous-friction composite damper of claim 1, wherein:
the friction assembly is a single-sided friction assembly comprising: two inner friction copper sheets (31) and two inner adhesive steel plates (22);
first round holes with the same size are uniformly distributed on the inner friction copper sheet (31) and the inner pasting steel plate (22);
the inner sticking steel plate (22) is arranged on the inner side of the friction viscous groove vertical plate (21), and the inner friction copper sheet (31) is arranged between the friction viscous energy consumption plate (11) and the inner sticking steel plate (22);
the two inner friction copper sheets (31) and the two inner adhesive steel plates (22) are arranged in an axisymmetric manner by friction viscous energy dissipation plates (11);
the pre-tightening bolts (32) penetrate through the first round holes and the hole groups to fix and tightly attach the friction viscous energy dissipation plate (11), the inner friction copper sheet (31) and the inner attaching steel plate (22).
3. The novel monolithic viscous-friction composite damper of claim 1, wherein:
the friction assembly is a double sided friction assembly comprising: two inner friction copper sheets (31), two outer friction copper sheets (34) and two outer pasting steel plates (51);
second round holes with the same size are uniformly distributed on the inner friction copper sheet (31), the outer friction copper sheet (34) and the outer pasting steel plate (51);
the inner friction copper sheet (31) is arranged between the friction viscous energy consumption plate (11) and the friction viscous groove vertical plate (21), the outer adhesive steel plate (51) is arranged on the outer side of the friction viscous groove vertical plate (21), and the outer friction copper sheet (34) is arranged between the friction viscous groove vertical plate (21) and the outer adhesive steel plate (51);
the two inner friction copper sheets (31), the two outer adhesive steel plates (51) and the two outer friction copper sheets (34) are arranged in an axisymmetric way through friction viscous energy dissipation plates (11);
the pre-tightening bolt (32) penetrates through the second round hole and the hole group to fix and tightly attach the inner friction copper sheet (31), the friction viscous energy dissipation plate (11), the outer friction copper sheet (34) and the outer attaching steel plate (51).
4. The novel monolithic viscous-friction composite damper of claim 1, wherein: the hole group comprises a long round hole and a round hole; the upper part of the friction viscous groove vertical plate (21) is uniformly provided with round holes, the upper part of the friction viscous energy dissipation plate (11) is uniformly provided with transverse oblong holes, or the upper part of the friction viscous groove vertical plate (21) is uniformly provided with transverse oblong holes, and the upper part of the friction viscous energy dissipation plate (11) is uniformly provided with round holes.
5. The novel monolithic viscous-friction composite damper of claim 1, wherein: the distance between the damper viscous liquid (41) and the friction copper sheet is at least 100 mm.
6. The novel monolithic viscous-friction composite damper of claim 1, wherein: the damper viscous liquid (41) is a viscous liquid capable of producing viscous damping.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320979257.0U CN219825688U (en) | 2023-04-26 | 2023-04-26 | Novel monolithic viscous-friction composite damper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320979257.0U CN219825688U (en) | 2023-04-26 | 2023-04-26 | Novel monolithic viscous-friction composite damper |
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| Publication Number | Publication Date |
|---|---|
| CN219825688U true CN219825688U (en) | 2023-10-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320979257.0U Active CN219825688U (en) | 2023-04-26 | 2023-04-26 | Novel monolithic viscous-friction composite damper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219825688U (en) |
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2023
- 2023-04-26 CN CN202320979257.0U patent/CN219825688U/en active Active
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