CN204326292U - A kind of building structure energy damping system - Google Patents
A kind of building structure energy damping system Download PDFInfo
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- CN204326292U CN204326292U CN201420758490.7U CN201420758490U CN204326292U CN 204326292 U CN204326292 U CN 204326292U CN 201420758490 U CN201420758490 U CN 201420758490U CN 204326292 U CN204326292 U CN 204326292U
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Abstract
The utility model discloses a kind of building structure energy damping system, comprise the first structural element, the second structural element, multiple damping element, described first structural element there is blind hole, described second structural element is provided with through hole I, and described damping element comprises: the end wall closed, reel assemblies I, reel assemblies II, reel assemblies III, elastic fastening bolt, packing ring, Belleville washer, pad, nut, inner thread sleeve, annular friction member; Described blind hole is alignd with the longitudinal center line of through hole I, and damping element is arranged in the space that blind hole and through hole I formed.It is by Friction dissipation energy that bolt connects energy dissipating, there is reasonable effect, in addition, because so a kind of seismic energy damping system size of the present utility model is little, so described building structure energy damping system can be uniformly distributed or be arranged in whole building structure, to make to dissipate more substantial seismic energy than other method for dissipating in total energy dissipation amount.
Description
Technical field
The utility model relates to building structure energy dissipating power consumption technical field, specifically a kind of building structure energy damping system.
Background technology
Earthquake is the unavoidable a kind of natural phenomena of human society, and the casualties that earthquake causes and economic loss 90% are even more from caused by building collapsing.Therefore countries in the world are all being devoted to carry out earthquake resistant engineering mitigation work, are devoted to the level of providing fortification against earthquakes improving construction project, improve the shock resistance of construction project.When earthquake zone building constructure, threatening to alleviate potential complications, seismic design must be carried out to building.
Wherein, it is well-known for utilizing damping unit seismic energy to dissipate.Also comprise the energy dissipating power consumption technology such as some shock design, assembling frame structure, steel plate shear force wall, earthquake brake in addition.
Shock design aspect, seismic structural wall, earthquake resistant wall is set in base frame construction bottom both direction and makes framework one seismic wall structure, instead of pure frame structure, increase bottom space rigidity, Long Span Industrial Factory Building is that raising longitudinal rigidity and stability longitudinally arrange column braces, and principal mode has right-angled intersection to support, timbering with rafter arch sets, splayed support and bolts of inclined column type support etc., can play the effect increasing longitudinal rigidity, power transmission, can improve the globality of factory building simultaneously.But traditional strengthening measure, although damping effect is obvious, still comes with some shortcomings.Be apparent that most, adopt seismic structural wall, earthquake resistant wall design, limit bottom space, consume manpower.Arrange column braces to industrial premises, steel using amount is larger, and arrange also more complicated, vibration isolation poor effect during coming earthquake, cannot play good energy consumption effect.
Steel framed structure is also a kind of desirable energy consuming methods, but repeatedly earthquake calamity all shows, the connected node of Liang Yuzhu takes the lead in easily destroying, and causes major disaster.For preventing this phenomenon, successively there is stiffening girder and column jointing gusset in the world, weakened a series of antidetonations such as beam end cross section and improve one's methods, although these methods are effective, but change the cross sectional shape of beam, become nonprismatic beam, not only have impact on the local stability of the plate such as the edge of a wing, web, also have impact to the monolithic stability of beam, and processing and fabricating is loaded down with trivial details, add construction cost.
At present, adopt steel plate shear force wall also very more and more as the building of main lateral resistant member in the world.For preventing steel plate shear force wall generation shear buckling, using the shear buckling bearing capacity of steel plate as its ultimate bearing capacity, or to make by putting more energy into steel plate its surrender before there is not flexing, but above two kinds of modes are all partial to conservative and cost is higher, are unfavorable for development and the application of steel plate shear force wall.
Earthquake brake is to the size between pipe arrangement and grip block and the certain restriction of scope, its concentration of energy dissipated is at clamp and pipeline, therefore the stress in fabric structure may be caused to concentrate, in addition, the structure of earthquake brake is quite expensive, thus building owner is reluctant, and these equipment installing sufficient amount are to process opposing earthquake.
Traditional viscoelastic damper is the effective control device being applied in engineering structures damping, and the main shearing lag return energy dissipation behavior relying on viscoelastic material, provides additional stiffness and damping to structure, reduces the dynamic response of structure, to reach the object of vibration damping.Wherein, it is by Friction dissipation energy that bolt connects energy dissipating, has reasonable effect.Therefore cheap, the sensitive spacing-type energy dissipation apparatus of development cost has great engineering significance.
Utility model content
The technical problem that the utility model solves is to provide simple, the with low cost and building structure energy damping system of the seismic energy that can significantly dissipate of a kind of structure.
The technical solution of the utility model is: a kind of building structure energy damping system, comprise the first structural element, second structural element, multiple damping element, described first structural element 1 has blind hole, described second structural element is provided with through hole I, described damping element comprises: the end wall closed, reel assemblies I, reel assemblies II, reel assemblies III, elastic fastening bolt, packing ring, Belleville washer, pad, nut, inner thread sleeve, annular friction member, described reel assemblies I comprises tubular body I and annular flange flange I, described elastic fastening bolt two be provided with screw thread and, described blind hole is alignd with the longitudinal center line of through hole I, and damping element is arranged in the space that blind hole and through hole I formed, described closed end wall, reel assemblies are arranged in the first structural element, described reel assemblies II, reel assemblies III are arranged in the second structural element, described inner thread sleeve is welded in closed end wall, its inside is provided with the internal thread cooperatively interacted with described elastic fastening bolt, elastic fastening bolt is through blind hole and through hole I, one end and inner thread sleeve are connected, and the other end is connected with nut, are provided with packing ring, Belleville washer, pad between nut and the second structural element, annular friction member and annular flange flange I form first rubbing surface, form second rubbing surface with annular flange flange II.It is by Friction dissipation energy that bolt connects energy dissipating, there is reasonable effect, the pair of holes of the first structural element and the second structural element provides a relatively large space for described fastening bolt, when there is earthquake, very little for mobile restraint forces relative to each other between described two structural element, safety factor is higher.
Further, described first structural element and the second structural element can be plate, beam, post or shear wall.Because so a kind of seismic energy damping system size of the present invention is little, so described building structure energy damping system can be uniformly distributed or be arranged in whole building structure, to make to dissipate more substantial seismic energy than other method for dissipating in total energy dissipation amount.
Further, described closed end wall is welded in the first structural element.
Further, described reel assemblies I comprises tubular body I and annular flange flange I, and described reel assemblies I is movably arranged on blind hole inside, not mechanically locking or clamping, or is fastened in concrete structure, can weaken energy transferring, strengthen energy dissipation.
Further, described reel assemblies II is made up of tubular body II and annular flange flange II, and described annular flange flange II is in one end of tubular body II, and the inner surface of described tubular body II is provided with internal thread.
Further, described reel assemblies III is made up of tubular body III and annular flange flange III, and described annular flange flange III is in one end of tubular body III, and the outside portion of described tubular body III is provided with external screw thread.
Further, the external screw thread of the internal thread of the inner surface of the tubular body II of described reel assemblies II and the tubular body III of described reel assemblies III cooperatively interacts, by the screw thread of rotating drum assembly II and reel assemblies III, the contact of packing ring and the second structural element can be controlled, play a corresponding thread restriction effect.
Further, described pad also can be stress indicator.Can be used to measure or indicate the level being added preload by elastic fastening bolt.
When earthquake occurs, cause the relative motion of the first structural element and the second structural element, as shown by arrows, when earthquake is less, be not enough to reach the level of certain power, by the direction of the clamping force provided that is frictionally engaged of fastening bolt and reel assembly, the first structural element and the second structural element are rigidly connected to each other, now, building or structure keep normally static.
When earthquake is comparatively large, force level in the direction of the arrow reach enough level when, then the first structural element and the second structural element will move relative to each other.This move by cause two reel assemblies and relative motion, because this two reel assemblies and be effectively locked on its corresponding first structural element and the second structural element separately, so the first rubbing surface will move relative to the second rubbing surface, and move relative to each parts, because annular friction member is made up of viscoelastic material, it has a Coulomb damping characteristic desirable especially, when contacting with steel, can be formed one uniform delayed.Coulomb damping is because the energy of a great deal of that can effectively dissipate between inner elastic fastening bolt and circumferential surface.
The beneficial effects of the utility model are:
The first, so a kind of seismic energy damping system of the present invention has remarkable damping characteristic, and seismic energy dissipation capability is strong;
Second, so a kind of seismic energy damping system size of the present invention is little, can be uniformly distributed and be arranged in whole building structure, seismic energy is absorbed and is dissipated in whole building structure, thus dissipate more substantial seismic energy than other method for dissipating in total energy dissipation amount.
3rd, so a kind of seismic energy damping system of the present invention is cheap, is applicable to being applied in a large number in building structure.
Accompanying drawing explanation
Fig. 1 is the syndeton schematic diagram of shearing panel of the present utility model and steel I-beam;
Fig. 2 is the syndeton schematic diagram of the utility model shear wall and concrete column;
Fig. 3 is the partial schematic diagram of frictional contact surface;
Wherein, 1-first structural element, 2-second structural element, 3-damping element, 4-blind hole, 5-through hole I, the end wall that 6-closes, 7-reel assemblies I, 8-reel assemblies II, 9-reel assemblies III, 10-elastic fastening bolt, 11-packing ring, 12-Belleville washer, 13-pad, 14-nut, 15-inner thread sleeve, 16-annular friction member, 17-through hole II, 1a-shears panel, 2a-steel I-beam, 1b-shear wall, 2b-concrete column, 7a-tubular body I, 7b-annular flange flange I, 8a-tubular body II, 8b-annular flange flange II, 9a-tubular body III and, 9b-annular flange flange III, 18a-first rubbing surface, 18b-second rubbing surface.
Detailed description of the invention
Below in conjunction with specific embodiment, the utility model is explained in detail.
Embodiment 1:
As shown in Figure 1, for shearing the syndeton schematic diagram of panel and steel I-beam: this damping system comprises shears panel 1a, steel I-beam 2a, multiple damping element 3, described drawing together on shearing panel 1a has blind hole 4, described steel I-beam 2a is provided with through hole I5, and described damping element 3 comprises: the end wall 6 closed, reel assemblies I 7, reel assemblies II 8, reel assemblies III9, elastic fastening bolt 10, packing ring 11, Belleville washer 12, pad 13, nut 14, inner thread sleeve 15, annular friction member 16.
Described reel assemblies I 7 comprises tubular body I 7a and annular flange flange I 7b, and described elastic fastening bolt 10 two is provided with screw thread 10a and 10b; Described blind hole 4 is alignd with the longitudinal center line of through hole I 5, and damping element 3 is arranged in the space that blind hole 4 and through hole I 5 formed; Described closed end wall 6, reel assemblies 7 are arranged on to be sheared in panel 1a, described reel assemblies II 8, reel assemblies III9 are arranged in steel I-beam 2a, described inner thread sleeve 15 is welded in closed end wall 6, its inside is provided with the internal thread cooperatively interacted with described elastic fastening bolt 10, elastic fastening bolt 10 is through blind hole 4 and through hole I 5, one end and inner thread sleeve 15 are connected, the other end is connected with nut 14, is provided with packing ring 11, Belleville washer 12, pad 13 between nut 14 and steel I-beam 2a.
Annular friction member 16 and annular flange flange I 7b form a first rubbing surface 18a, form a second rubbing surface 18b with annular flange flange II 8b; Described closed end wall 6 is welded on to be sheared in panel 1a; Described reel assemblies I 7 comprises tubular body I 7a and annular flange flange I 7b, and described reel assemblies I 7 is movably arranged on blind hole 4 inside, mechanically locking or clamping, or is fastened in concrete structure, can weaken energy transferring, strengthen energy dissipation; Described reel assemblies II8 is made up of tubular body II8a and annular flange flange II8b, and the inner surface of described tubular body II 8a is provided with internal thread; Described reel assemblies III9 is made up of tubular body III9a and annular flange flange III9b, and the outside portion of described tubular body III9a is provided with external screw thread; The internal thread of inner surface of the tubular body II 8a of described reel assemblies II 8 and the external screw thread of the tubular body III9a of described reel assemblies III9 cooperatively interact, by the screw thread of rotating drum assembly II 8 and reel assemblies III9, packing ring 11 and the contact of steel I-beam 2a can be controlled, play a corresponding thread restriction effect; Described inner thread sleeve 15 is welded in closed end wall 6, and its inside is provided with the internal thread cooperatively interacted with described elastic fastening bolt 10, can carry out adjusting elasticity degree by elastic fastening bolt 10.Described annular friction member is viscoelastic material, preferred brass.It is by Friction dissipation energy that bolt connects energy dissipating, there is reasonable effect, the pair of holes shearing panel 1a and steel I-beam 2a provides a relatively large space for described fastening bolt, when there is earthquake, very little for mobile restraint forces relative to each other between described two structural element, safety factor is higher.
When earthquake occurs, cause the relative motion of shearing panel 1a and steel I-beam 2a, as shown by arrows, when earthquake is less, be not enough to reach the level of certain power, by the direction of the clamping force provided that is frictionally engaged of fastening bolt 10 and reel assembly, shear panel 1a and steel I-beam 2a and be rigidly connected to each other, now, building or structure keep normally static.
When earthquake is comparatively large, force level in the direction of the arrow reach enough level when, then shearing panel 1a and steel I-beam 2a will move relative to each other.This moves the relative motion by causing two reel assemblies 7 and 8, because these two reel assemblies 7 and 8 are effectively locked on its relevant shear panel 1a and steel I-beam 2a separately, so the first rubbing surface 18a will move relative to the second rubbing surface 18b, and move relative to each parts, because annular friction member is made up of viscoelastic material, it has a Coulomb damping characteristic desirable especially, when contacting with steel, can be formed one uniform delayed.Coulomb damping is because the energy of a great deal of that can effectively dissipate between inner elastic fastening bolt 10 and circumferential surface.
In addition, because so a kind of seismic energy damping system size of the present invention is little, so described building structure energy damping system can be uniformly distributed or be arranged in whole building structure, to make to dissipate more substantial seismic energy than other method for dissipating in total energy dissipation amount.
Embodiment 2:
As shown in Figure 2, syndeton schematic diagram for shear wall and concrete column: a kind of building structure energy damping system, comprise shear wall 1b, concrete column 2b, multiple damping element 3, described shear wall 1b there is blind hole 4, described concrete column 2b is provided with through hole I 5, and described damping element 3 comprises: the end wall 6 closed, reel assemblies I 7, reel assemblies II 8, reel assemblies III9, elastic fastening bolt 10, packing ring 11, Belleville washer 12, pad 13, nut 14, inner thread sleeve 15, annular friction member 16, through hole II17.
Described reel assemblies I 7 comprises tubular body I 7a and annular flange flange I 7b, and described elastic fastening bolt 10 two is provided with screw thread 10a and 10b; Described blind hole 4 is alignd with the longitudinal center line of through hole I 5, and damping element 3 is arranged in the space that blind hole 4 and through hole I 5 formed; Described closed end wall 6, reel assemblies 7 are arranged in shear wall 1b, described reel assemblies II 8, reel assemblies III9 are arranged in concrete column 2b, described inner thread sleeve 15 is welded in closed end wall 6, its inside is provided with the internal thread cooperatively interacted with described elastic fastening bolt 10, elastic fastening bolt 10 is through blind hole 4 and through hole I 5, one end and inner thread sleeve 15 are connected, the other end is connected with nut 14, is provided with packing ring 11, Belleville washer 12, pad 13 between nut 14 and concrete column 2b.
Described reel assemblies I 7 comprises tubular body I 7a and annular flange flange I 7b, and described elastic fastening bolt 10 two is provided with screw thread 10a and 10b; Described blind hole 4 is alignd with the longitudinal center line of through hole I 5, and damping element 3 is arranged in the space that blind hole 4 and through hole I 5 formed; Annular friction member 16 and annular flange flange I 7b form a first rubbing surface 18a, form a second rubbing surface 18b with annular flange flange II8b; Described elastic fastening bolt 10, packing ring 11, Belleville washer 12, pad 13, nut 14 are installed by through hole II 17; Described closed end wall 6 is welded in shear wall 1b; Described reel assemblies I 7 comprises tubular body I 7a and annular flange flange I 7b, and described reel assemblies I 7 is movably arranged on blind hole 4 inside, mechanically locking or clamping, or is fastened in concrete structure, can weaken energy transferring, strengthen energy dissipation; Described reel assemblies II8 is made up of tubular body II8a and annular flange flange II 8b, and the inner surface of described tubular body II8a is provided with internal thread; Described reel assemblies III9 is made up of tubular body III9a and annular flange flange III9b, and the outside portion of described tubular body III9a is provided with external screw thread; The internal thread of inner surface of the tubular body II 8a of described reel assemblies II 8 and the external screw thread of the tubular body III9a of described reel assemblies III9 cooperatively interact, by the screw thread of rotating drum assembly II 8 and reel assemblies III9, packing ring 11 and the contact of concrete column 2b can be controlled, play a corresponding thread restriction effect; Described inner thread sleeve 15 is welded in closed end wall 6, and its inside is provided with the internal thread cooperatively interacted with described elastic fastening bolt 10, can carry out adjusting elasticity degree by elastic fastening bolt 10.Described annular friction member is viscoelastic material, preferred brass; Described pad 13 is stress indicators.Can be used to measure or indicate the level being added preload by elastic fastening bolt 10.It is by Friction dissipation energy that bolt connects energy dissipating, there is reasonable effect, the pair of holes of shear wall 1b and concrete column 2b provides a relatively large space for described fastening bolt, when there is earthquake, very little for mobile restraint forces relative to each other between described two structural element, safety factor is higher.
When earthquake occurs, cause the relative motion of component 1,2, as shown by arrows, when earthquake is less, be not enough to reach the level of certain power, by the direction of the clamping force provided that is frictionally engaged of fastening bolt 10 and reel assembly, parts 1 and 2 are rigidly connected to each other, now, building or structure keep normally static.
When earthquake is comparatively large, force level in the direction of the arrow reach enough level when, then these two parts 1,2 will move relative to each other.This moves the relative motion by causing two reel assemblies 7 and 8, because these two reel assemblies 7 and 8 are effectively locked its respective members 1 separately, on 2, so the first rubbing surface 18a will move relative to the second rubbing surface 18b, and move relative to each parts, because annular friction member is made up of viscoelastic material, it has a Coulomb damping characteristic desirable especially, when contacting with steel, can be formed one uniform delayed.Coulomb damping is because the energy of a great deal of that can effectively dissipate between inner elastic fastening bolt 10 and circumferential surface.
In addition, because so a kind of seismic energy damping system size of the present invention is little, so described building structure energy damping system can be uniformly distributed or be arranged in whole building structure, to make to dissipate more substantial seismic energy than other method for dissipating in total energy dissipation amount.
Last it is noted that above embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in previous embodiment, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of the utility model embodiment technical scheme.
Claims (8)
1. a building structure energy damping system, it is characterized in that comprising the first structural element (1), second structural element (2), one or more damping element (3), described first structural element (1) there is blind hole (4), described second structural element (2) is provided with through hole I (5), described damping element (3) comprising: the end wall (6) closed, reel assemblies I (7), reel assemblies II (8), reel assemblies III (9), elastic fastening bolt (10), packing ring (11), Belleville washer (12), pad (13), nut (14), inner thread sleeve (15), annular friction member (16), described elastic fastening bolt (10) two is provided with screw thread I (10a) and screw thread II (10b), described blind hole (4) is alignd with the longitudinal center line of through hole I (5), and damping element (3) is arranged in the space that blind hole (4) and through hole I (5) formed, described closed end wall (6), reel assemblies I (7) is arranged in the first structural element (1), described reel assemblies II (8), reel assemblies III (9) is arranged in the second structural element (2), described inner thread sleeve (15) is welded in closed end wall (6), its inside is provided with the internal thread cooperatively interacted with described elastic fastening bolt (10), elastic fastening bolt (10) is through blind hole (4) and through hole I (5), one end and inner thread sleeve (15) are connected, the other end is connected with nut (14), packing ring (11) is provided with between nut (14) and the second structural element (2), Belleville washer (12), pad (13).
2. a kind of building structure energy damping system as claimed in claim 1, is characterized in that described first structural element (1) and the second structural element (2) can be plate, beam, post or shear wall.
3. a kind of building structure energy damping system as claimed in claim 1, is characterized in that described closed end wall (6) is welded in the first structural element (1).
4. a kind of building structure energy damping system as claimed in claim 1, it is characterized in that described reel assemblies I (7) comprises tubular body I (7a) and annular flange flange I (7b), described reel assemblies I (7) are movably arranged on blind hole (4) inside.
5. a kind of building structure energy damping system as claimed in claim 1, it is characterized in that described reel assemblies II (8) is made up of tubular body II (8a) and annular flange flange II (8b), described annular flange flange II (8b) is in one end of tubular body II (8a), and the inner surface of described tubular body II (8a) is provided with internal thread.
6. a kind of building structure energy damping system as claimed in claim 1, it is characterized in that described reel assemblies III (9) is made up of tubular body III (9a) and annular flange flange III (9b), described annular flange flange III (9b) is in the one end by tubular body III (9a), and the outside portion of described tubular body III (9a) is provided with external screw thread.
7. a kind of building structure energy damping system as described in claim 4 or 5 any one, is characterized in that the external screw thread of the internal thread of the inner surface of the tubular body II (8a) of described reel assemblies II (8) and the tubular body III (9a) of described reel assemblies III (9) cooperatively interacts.
8. a kind of building structure energy damping system as claimed in claim 1, is characterized in that described pad (13) also can be stress indicator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758490.7U CN204326292U (en) | 2014-12-08 | 2014-12-08 | A kind of building structure energy damping system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420758490.7U CN204326292U (en) | 2014-12-08 | 2014-12-08 | A kind of building structure energy damping system |
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| CN204326292U true CN204326292U (en) | 2015-05-13 |
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| CN201420758490.7U Expired - Fee Related CN204326292U (en) | 2014-12-08 | 2014-12-08 | A kind of building structure energy damping system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612198A (en) * | 2018-06-20 | 2018-10-02 | 温州职业技术学院 | A kind of damping property building assembling structure |
| CN108973660A (en) * | 2017-05-31 | 2018-12-11 | 通用汽车环球科技运作有限责任公司 | Pinion gear flange with damping member |
| CN112900667A (en) * | 2021-01-19 | 2021-06-04 | 华北水利水电大学 | Copper seam-viscoelastic damper |
-
2014
- 2014-12-08 CN CN201420758490.7U patent/CN204326292U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108973660A (en) * | 2017-05-31 | 2018-12-11 | 通用汽车环球科技运作有限责任公司 | Pinion gear flange with damping member |
| CN108612198A (en) * | 2018-06-20 | 2018-10-02 | 温州职业技术学院 | A kind of damping property building assembling structure |
| CN112900667A (en) * | 2021-01-19 | 2021-06-04 | 华北水利水电大学 | Copper seam-viscoelastic damper |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150513 Termination date: 20151208 |
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