CN207794353U - Double ranks slide big rigidity frcition damper - Google Patents
Double ranks slide big rigidity frcition damper Download PDFInfo
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- CN207794353U CN207794353U CN201721730464.3U CN201721730464U CN207794353U CN 207794353 U CN207794353 U CN 207794353U CN 201721730464 U CN201721730464 U CN 201721730464U CN 207794353 U CN207794353 U CN 207794353U
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Abstract
The utility model provides a kind of double rank slidings big rigidity frcition damper, is related to construction engineering technical field.Including H profile steel beam section, angle steel, side web, steel deck-plate and frictional high-strength bolts；Side web is welded in the lower surface of H profile steel beam section lower flange；H profile steel beam section web, side web and H profile steel beam section lower flange disconnect at a certain section of girder steel section and form the notch of a distance；Steel deck-plate is affixed on side web both sides across notch, and passes through high-strength friction bolt connection；Corresponding to gap position, angle steel is connect by welding with H profile steel beam section web and H profile steel beam section top flange inner surface；Side web notch side is first-order slip-flow side, and the other side is second-order slip-flow side；The bearing capacity of second-order slip-flow side is more than the bearing capacity of first-order slip-flow side.The big rigidity frcition damper sliding stroke of double ranks slidings is big, and rotational stiffness is big, bearing capacity is high, has good energy-dissipating and shock-absorbing performance.
Description
Technical field
The utility model is related to construction engineering technical fields more particularly to a kind of double ranks to slide big rigidity frcition damper.
Background technology
In recent years, in global range earthquake take place frequently, and in order to meet the development of increasing engineering structure
It needs, the passive control theory of structural damping is widely applied, and breaches traditional ductility by structure itself to disappear
The anti-shock methods for consuming seismic energy, rely primarily on additional energy dissipator and carry out earthquake energy, reduce or even eliminate main body knot
The destruction of structure.
Frcition damper is a kind of energy-consuming device being attached in structure, by force of sliding friction do work dissipation energy,
Energy-dissipating and shock-absorbing is served to structure.When small shake, structure itself has enough rigidity, is in elastic stage, and frcition damper does not produce
Raw sliding；When middle shake, big shake, malformation increases, and frcition damper generates sliding, provides additional damping for structure, energy dissipating subtracts
Shake, to protect the safety of agent structure.
But for current friction damper, universal rotational stiffness is low, stroke is insufficient, and with invariable
Sliding/friction power is played, when sliding damping force setting is higher, damper generates not recoverable remnants after may not playing sliding or sliding
Deformation；If damping force setting is too low, required damping force can not be provided, is reduced so as to cause the cushioning ability of damper.
Invention content
The purpose of this utility model is that overcome the deficiencies in the prior art, proposes that a kind of double ranks slide big rigidity friction resistance
Buddhist nun's device with big rigidity, big stroke, can flexibly realize the advantages such as double rank slidings.
In order to realize that above-mentioned target, the utility model provide following technical solution：
A kind of big rigidity frcition damper of double rank slidings, including H profile steel beam section, angle steel, side web, steel deck-plate and friction-type
High-strength bolt；
The H profile steel beam section includes H profile steel beam section top flange, H profile steel beam section lower flange, H profile steel beam section web；H profile steel
Beam section top flange and H profile steel beam section lower flange are arranged in parallel up and down, and H profile steel beam section web is vertically connected at H profile steel beam section upper limb
Between edge, H profile steel beam section lower flange；
The lower surface of H profile steel beam section lower flange is vertically connected with side web；Distinguish the front and rear sides of the side web
It is fitted with steel deck-plate；
H profile steel beam section top flange keeps continuous within the scope of beam section；H profile steel beam section lower flange, H profile steel beam section
Web and side web disconnect at girder steel section section and form the notch of a distance；Side web of the steel deck-plate across disconnection
It is kept in its length range continuous；
Double ranks slide big rigidity frcition damper with H profile steel beam section web, H profile steel beam section lower flange and side web
Formation notch is boundary, and one side is first-order slip-flow side, and the other side is second-order slip-flow side, and the bearing capacity of second-order slip-flow side is more than
The bearing capacity of first-order slip-flow side；
The side web is connected by frictional high-strength bolts and steel deck-plate sliding in first-order slip-flow side and second-order slip-flow side
It connects；And it is installed on frictional high-strength bolts of the model than being installed on first-order slip-flow side of the frictional high-strength bolts of second-order slip-flow side
Model it is big, and/or
It is installed on same model of the quantity of the frictional high-strength bolts of second-order slip-flow side than being installed on first-order slip-flow side
The quantity of frictional high-strength bolts is more；
The angle steel has two pieces, and the notch formed respectively across H profile steel beam section web is arranged symmetrically in H profile steel beam section abdomen
The front and rear sides of plate, and two limbs of each angle steel respectively with H profile steel beam section top flange lower surface and H profile steel beam section web
It is fixedly connected.
For example and without limitation, the side web shares three pieces, and time interval is evenly arranged in H profile steel beam section lower flange
Lower surface.
In a preferred embodiment, the side web offers in first-order slip-flow side and second-order slip-flow side and is adapted to institute
State the oblique oval bolt hole that double ranks slide big rigidity frcition damper rotation；And the oblique oval bolt hole of first-order slip-flow side and
The oblique oval bolt hole of second-order slip-flow side is located in a round different segmental arcs, and the inclined direction of the two is different；
The steel deck-plate offers bolt hole in the oblique oval bolt hole position corresponding to side web.
In a preferred embodiment, the perpendicular limb of each angle steel is respectively by welding the following table with H profile steel beam section top flange
The horizontal limb of face vertical connection, each angle steel passes through welding and H profile steel beam section web vertical connection respectively；Meanwhile each angle steel
Perpendicular limb acropodium is respectively directed to H profile steel beam section top flange, and the horizontal limb acropodium of each angle steel is respectively directed to H profile steel beam section web.
It, in a preferred embodiment, can be in order to improve the friction coefficient and wearability between side web and steel deck-plate
Friction plate can be added between the rubbing surface that side web and steel deck-plate are constituted, or use wearing plate, or to rubbing surface carry out machinery and/
Chemical treatment.
It is had the advantages that as described above, double ranks of the utility model slide big rigidity frcition damper：
(1) H-type section steel beam section, side web, steel deck-plate, the double ranks for reinforcing angle steel and frictional high-strength bolts composition are used
Big rigidity frcition damper is slided, there is larger rotational stiffness, in sliding process occurs for damper, is remained able to main body
Structure provides relatively large additional stiffness, improves the rigidity of junction.
(2) under geological process, this double rank is slided during the one of big rigidity frcition damper, second-order slip-flow side is with top flange
The heart rotates, and the radius of gyration is big, and sliding stroke is big, has enough turning powers.
(3) this double rank is slided real by the way that the frictional high-strength bolts of two kinds of different models are arranged in big rigidity frcition damper
Double ranks sliding of existing damper.When middle shake, only sliding energy consumption is played in first-order slip-flow side；When big shake, sliding energy consumption is also played in second-order slip-flow side, increases
The big energy-dissipating and shock-absorbing ability of damper, makes the damper have good energy-dissipating and shock-absorbing effect and larger application range；
And the setting that double ranks are slided is avoided when sliding power is arranged higher, damper, which does not rise, to be slided or is generated after sliding not recoverable
The defect of residual deformation plays the role of protecting damper.
Description of the drawings
Fig. 1 is the schematic elevation view that double ranks described in the utility model slide big rigidity frcition damper；
Fig. 2 is the schematic side view that double ranks described in the utility model slide big rigidity frcition damper；
Fig. 3 is the schematic elevation view of H profile steel beam section described in the utility model；
Fig. 4 is the structural schematic diagram of side web described in the utility model；
Fig. 5 is the structural schematic diagram of steel deck-plate described in the utility model.
Reference sign
1 H profile steel beam section top flange
2 H profile steel beam section lower flanges
3 H profile steel beam section webs
4 angle steel
5 side webs
The left oblique oval bolts hole of 5a
The right oblique oval bolts hole of 5b
6 steel deck-plates
6a bolts hole
7 frictional high-strength bolts
8 centers of rotation
9 rubbing surfaces
Specific implementation mode
Big rigidity frictional damping is slided to double ranks provided by the utility model below in conjunction with specific embodiment and its attached drawing
The technical solution of device is described further.In conjunction with following explanation, will be apparent from feature the advantages of the utility model.
It should be noted that the embodiments of the present invention have preferable implementation, it is not any to the utility model
The restriction of form.The combination of technical characteristic or technical characteristic described in the utility model embodiment is not construed as orphan
Vertical, they can be combined with each other to reach superior technique effect.The range of the preferred embodiments of the present invention
May include other realization, and this should be understood by the utility model embodiment person of ordinary skill in the field.
Technology, method and apparatus known to person of ordinary skill in the relevant may be not discussed in detail, but suitable
In the case of, the technology, method and apparatus should be considered as authorizing part of specification.Institute that is shown here and discussing
Have in example, any occurrence should be construed as merely illustrative, not as restriction.Therefore, exemplary embodiment
Other examples can have different values.
The attached drawing of the utility model is all made of very simplified form and uses non-accurate ratio, only to it is convenient,
The purpose of the utility model embodiment is lucidly aided in illustrating, is not to limit the enforceable qualifications of the utility model.Appoint
What modification of structure, the change of proportionate relationship or adjustment of size, is not influencing the effect and institute that the utility model can be generated
Under the purpose that can reach, it should all fall in the range of the revealed technology contents of the utility model can be covered.And this practicality is new
Identical label appeared in each attached drawing of type represents identical feature or component, can be applied in different embodiments.
Structure, ratio, size etc. depicted in this specification institute accompanying drawings, only to coordinate specification it is revealed in
Hold, so that those skilled in the art understands and reads, is not limited to the enforceable qualifications of the utility model, therefore not
Has technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size are new not influencing this practicality
Under the effect of type can be generated and the purpose that can reach, should all still fall can contain in the revealed technology contents of the utility model
In the range of lid.Meanwhile cited such as "upper" in this specification, "lower", "left", "right" and " one " term, be also only
Convenient for being illustrated for narration, rather than to limit the enforceable range of the utility model, relativeness is altered or modified, in nothing
Under essence change technology contents, when being also considered as the enforceable scope of the utility model.
As shown in Figures 1 to 5, the utility model provides a kind of double rank slidings big rigidity frcition damper.
As shown in Figure 1, 2, a kind of double ranks slide big rigidity frcition damper, including H profile steel beam section, angle steel 4, side web 5,
Steel deck-plate 6 and frictional high-strength bolts 7.Wherein, H profile steel beam section include H profile steel beam section top flange 1, H profile steel beam section lower flange 2,
H profile steel beam section web 3；H profile steel beam section top flange 1 and about 2 H profile steel beam section lower flange are arranged in parallel, H profile steel beam section web 3
It is vertically connected between H profile steel beam section top flange 1, H profile steel beam section lower flange 2.
As shown in Figure 1,3, double ranks slide the H profile steel beam section top flange 1 of big rigidity frcition damper in beam section range
Interior to keep continuous, H profile steel beam section lower flange 2 and H profile steel beam section web 3 disconnect at girder steel section section and form a distance
Notch.
For example and without limitation, as shown in Figure 1, 2, the side web 5 can be provided with three pieces, before three blocks of side webs 5
Interval is evenly arranged in the lower surface of H profile steel beam section lower flange 2 afterwards, and passes through welding and 2 vertical connection of H profile steel beam section lower flange
Together；Further, three blocks of side webs 5 are corresponding to the notch of H profile steel beam section lower flange 2 and the formation of H profile steel beam section web 3
Position disconnects, and forms the notch of same distance.Correspondingly, steel deck-plate 6 there are six pieces, it is affixed on three blocks of side webs 5 respectively
Front and rear sides, and be slidably connected by frictional high-strength bolts 7 and side web 5；And all steel deck-plates 6 are across the side abdomen of disconnection
Plate 5 keeps continuous in length range.In the present invention, the particular number of side web 5 slides big rigidity according to double ranks and rubs
Bearing capacity and the lower flange width of damper are wiped to determine.
The notch that H profile steel beam section lower flange 2, H profile steel beam section web 3 and side web 5 are formed can guarantee under big shake effect
Relative sliding can occur between steel deck-plate 6 and side web 5, and should ensure that with enough rotation spaces.
As shown in Figure 1, 2, the angle steel 4 has two pieces, and the notch formed respectively across H profile steel beam section web 3 is arranged symmetrically
In the front and rear sides of H profile steel beam section web 3；And the perpendicular limb of each angle steel 4 respectively by welding under H profile steel beam section top flange 1
The horizontal limb of surface vertical connection, each angle steel 4 passes through welding and 3 vertical connection of H profile steel beam section web respectively；Meanwhile each angle
The perpendicular limb acropodium of steel 4 is respectively directed to H profile steel beam section top flange 1, and the horizontal limb acropodium of each angle steel 4 is respectively directed to H profile steel beam section abdomen
Plate 3.Angle steel 4 slides big rigidity frcition damper to double ranks to be had the function of reinforcing, and can make it have larger carrying
Ability and rigidity.
Notch is collectively formed as boundary using H profile steel beam section lower flange 2, H profile steel beam section web 3, side web 5, double ranks are slided
The side for moving big rigidity frcition damper is first-order slip-flow side, and the other side is second-order slip-flow side；Wherein, the carrying of second-order slip-flow side
Power is more than the bearing capacity of first-order slip-flow side；The quantity for the frictional high-strength bolts 7 installed on the side web 5 of second-order slip-flow side is big
Quantity in the frictional high-strength bolts 7 for the same model installed on the side web 5 of first-order slip-flow side and/or second-order slip-flow side
Side web 5 on the model of frictional high-strength bolts 7 installed be more than the installation of first-order slip-flow side frictional high-strength bolts 7 type
Number.In the present invention, the particular number of frictional high-strength bolts 7 does not require, can be according to bearing capacity needed for damper
Size is determined.
For example and without limitation, as shown in Fig. 1,4,5, on side, web 5 is opened on the left of gap position is adapted to described pair
Rank slides the oblique oval bolt hole 5a in a left side of big rigidity frcition damper rotation, this side is second-order slip-flow side；The side web 5 exists
Gap position right side opening is adapted to the oblique oval bolt hole 5b in the right side of the frcition damper rotation, this side is first-order slip-flow side；
Correspondingly, steel deck-plate 6 opens bolt hole 6a at left and right oblique oval bolt hole 5a, 5b corresponding to side web 5.
Further, the inclined direction of left and right oblique oval bolt hole 5a, 5b are different；Because double ranks slide big rigidity
The center of rotation 8 of frcition damper is that the position of indentation, there is corresponded on top flange, and the gradient of oblique oval bolt hole is mainly
It is set according to the relative position of oblique oval bolt hole and center of rotation, i.e. the sliding of frictional high-strength bolts 7 is formed by arc
It is fixed that line direction is come, to be adapted to the sliding of damper；The sliding trace of the frictional high-strength bolts 7 of the left and right sides is in a circle
Different segmental arcs on, so its inclined direction is also different.
Under geological process, double ranks are slided during the one of big rigidity frcition damper, second-order slip-flow side is with top flange
The heart rotates, and the radius of gyration is big, and sliding stroke is big so that the damper has enough turning powers.
Under middle shake effect, only first-order slip-flow side is rotated centered on top flange, is installed on right oblique oval bolt hole
Frictional high-strength bolts 7 in 5b slide, and Relative sliding is generated between the side web 5 on the right side of notch and steel deck-plate 6, and realization rubs
Wipe energy consumption.Under big shake effect, first-order slip-flow side rotates first, realizes friction energy-dissipating, second-order slip-flow side is also with top flange later
Centered on rotate, the frictional high-strength bolts 7 being installed in left oblique oval bolt hole 5a slide, the side abdomen on the left of notch
Relative sliding is generated between plate 5 and steel deck-plate 6, realizes second order friction energy-dissipating.Double ranks slide big rigidity frcition damper as a result,
Every piece of 5 both sides of side web form two rubbing surfaces 9, i.e., per single order sliding side there are six rubbing surface 9；And by the way that this double rank is arranged
Sliding increases energy-dissipating and shock-absorbing ability, expands application range, makes it have good energy-dissipating and shock-absorbing effect；In addition, double ranks are slided
Dynamic setting is avoided when sliding power is arranged higher, and damper generates not recoverable residual deformation after not playing sliding or sliding
Defect, play the role of protect damper.
In order to which the friction coefficient and wearability that improve between side web 5 and steel deck-plate 6 in a preferred embodiment can
Friction plate can be added between the rubbing surface 9 that side web 5 and steel deck-plate 6 are constituted, or wearing plate is used, or rubbing surface 9 is carried out
Machinery and/chemical treatment.
In conclusion double ranks of the utility model slide big rigidity frcition damper, by the way that angle steel is arranged, make damping device
There is larger rotational stiffness；And side web is arranged on the downside of H profile steel beam section lower flange, and double ranks is made to slide big rigidity friction resistance
Buddhist nun's utensil has the big radius of gyration.Meanwhile the frictional high-strength bolts by the way that two kinds of different models are arranged realize damper
Double rank slidings, increase energy-dissipating and shock-absorbing ability, expand damper application range, and can also play protection under severe earthquake action
The effect of damper.So the utility model effectively overcomes the defect of the prior art, and there is very big practical value.
Above-described embodiment is merely exemplary to illustrate the principle and effect of the utility model, new not for this practicality is limited
Type.Any person skilled in the art can all carry out above-described embodiment under the spirit and scope without prejudice to the utility model
Modifications and changes.Therefore, such as those of ordinary skill in the art without departing from the revealed essence of the utility model
All equivalent modifications completed under refreshing and technological thought or change, should be covered by the claim of the utility model.
Claims (5)
1. a kind of double ranks slide big rigidity frcition damper, it is characterised in that：Including H profile steel beam section, angle steel (4), side web
(5), steel deck-plate (6) and frictional high-strength bolts (7)；
The H profile steel beam section includes H profile steel beam section top flange (1), H profile steel beam section lower flange (2), H profile steel beam section web (3)；H
Shaped steel beam section top flange (1) and H profile steel beam section lower flange (2) are arranged in parallel up and down, and H profile steel beam section web (3) is vertically connected at H
Between shaped steel beam section top flange (1), H profile steel beam section lower flange (2)；
The lower surface of H profile steel beam section lower flange (2) is vertically connected with side web (5)；The front and rear sides of the side web (5)
It is fitted with steel deck-plate (6) respectively；
H profile steel beam section top flange (1) keeps continuous within the scope of beam section；H profile steel beam section lower flange (2), H profile steel beam
Section web (3) and side web (5) disconnect at girder steel section section and form the notch of a distance；The steel deck-plate (6) across
The side web (5) of disconnection keeps continuous in its length range；
Double ranks slide big rigidity frcition damper with H profile steel beam section web (3), H profile steel beam section lower flange (2) and side web
(5) formation notch is boundary, and one side is first-order slip-flow side, and the other side is second-order slip-flow side；
The side web (5) is slided by frictional high-strength bolts (7) and steel deck-plate (6) in first-order slip-flow side and second-order slip-flow side
Dynamic connection；And it is installed on friction-type of the model than being installed on first-order slip-flow side of the frictional high-strength bolts (7) of second-order slip-flow side
The model of high-strength bolt (7) is big, and/or
It is installed on rubbing for same model of the quantity of the frictional high-strength bolts (7) of second-order slip-flow side than being installed on first-order slip-flow side
The quantity of wiping type high-strength bolt (7) is more；
The angle steel (4) has two pieces, and the notch formed respectively across H profile steel beam section web (3) is arranged symmetrically in H profile steel beam section
The front and rear sides of web (3), and two limbs of each angle steel (4) respectively with H profile steel beam section top flange (1) lower surface and H
Shaped steel beam section web (3) is fixedly connected.
2. double ranks according to claim 1 slide big rigidity frcition damper, it is characterised in that：The side web (5) is altogether
There are three pieces, time interval is evenly arranged in the lower surface of H profile steel beam section lower flange (2).
3. double ranks according to claim 1 slide big rigidity frcition damper, it is characterised in that：The side web (5) exists
First-order slip-flow side and second-order slip-flow side, which offer, is adapted to the oblique length that double ranks slide big rigidity frcition damper rotation
Circle bolt hole；And the oblique oval bolt hole of first-order slip-flow side and the oblique oval bolt hole of second-order slip-flow side are located at one
In round different segmental arcs, the inclined direction of the two is different；
The steel deck-plate (6) offers bolt hole in the oblique oval bolt hole position corresponding to side web (5).
4. double ranks according to claim 1 slide big rigidity frcition damper, it is characterised in that：Each angle steel (4) erects
For limb respectively by welding and H profile steel beam section top flange (1) lower surface vertical connection, the horizontal limb of each angle steel (4) passes through weldering respectively
It connects and H profile steel beam section web (3) vertical connection；Meanwhile the perpendicular limb acropodium of each angle steel (4) is respectively directed to H profile steel beam section upper limb
The horizontal limb acropodium of edge (1), each angle steel (4) is respectively directed to H profile steel beam section web (3).
5. double ranks according to claim 1 slide big rigidity frcition damper, it is characterised in that：The side web (5) with
It is provided with friction plate or wearing plate between the rubbing surface (9) that steel deck-plate (6) is constituted；
Or the rubbing surface (9) between the side web (5) and steel deck-plate (6) is by machinery and/chemistry grinding process.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721730464.3U CN207794353U (en) | 2017-12-13 | 2017-12-13 | Double ranks slide big rigidity frcition damper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721730464.3U CN207794353U (en) | 2017-12-13 | 2017-12-13 | Double ranks slide big rigidity frcition damper |
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| CN207794353U true CN207794353U (en) | 2018-08-31 |
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ID=63283994
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629674A (en) * | 2019-01-10 | 2019-04-16 | 中南大学 | Sliding friction energy-consumption truss, production method and building structure |
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2017
- 2017-12-13 CN CN201721730464.3U patent/CN207794353U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109629674A (en) * | 2019-01-10 | 2019-04-16 | 中南大学 | Sliding friction energy-consumption truss, production method and building structure |
| CN109629674B (en) * | 2019-01-10 | 2024-01-12 | 中南大学 | Sliding friction energy consumption truss, manufacturing method and building structure |
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