CN217896832U - Pure steel friction composite buckling restrained brace - Google Patents
Pure steel friction composite buckling restrained brace Download PDFInfo
- Publication number
- CN217896832U CN217896832U CN202221749433.3U CN202221749433U CN217896832U CN 217896832 U CN217896832 U CN 217896832U CN 202221749433 U CN202221749433 U CN 202221749433U CN 217896832 U CN217896832 U CN 217896832U
- Authority
- CN
- China
- Prior art keywords
- plate
- restraint
- friction
- plates
- strip
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 13
- 239000010959 steel Substances 0.000 title claims abstract description 13
- 239000002131 composite material Substances 0.000 title claims description 12
- 230000000694 effects Effects 0.000 claims abstract description 7
- 150000001875 compounds Chemical class 0.000 claims abstract description 6
- 230000000712 assembly Effects 0.000 claims abstract description 3
- 238000000429 assembly Methods 0.000 claims abstract description 3
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 4
- 230000009471 action Effects 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 5
- 230000008859 change Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 description 11
- 230000000452 restraining effect Effects 0.000 description 6
- 230000035939 shock Effects 0.000 description 5
- 238000006073 displacement reaction Methods 0.000 description 4
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000009467 reduction Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 241000446313 Lamella Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
Images
Abstract
The utility model discloses a pure steel friction compound type buckling restrained brace, which comprises a core plate, wherein a plurality of first strip-shaped holes are formed through the core plate, middle plates are arranged on two sides of the core plate, a plurality of first circular holes are formed through each middle plate, one side of each middle plate, which is away from the core plate, is provided with a restraint plate, one end of the core plate is fixedly connected with two restraint plates, the other end of the core plate can move relative to the two restraint plates, each restraint plate is provided with a plurality of second strip-shaped holes, a friction plate is arranged between each restraint plate and the corresponding middle plate, and a plurality of second circular holes are formed through each friction plate; the friction plate connecting structure further comprises a plurality of bolt assemblies for connecting the core plate, the two middle plates, the two constraint plates and the two friction plates into a whole. The utility model discloses combined friction power consumption and the compound power consumption of bucking restraint support, can realize the fractional order power consumption under little shake, well shake and big shake seismic action or wind shake, effectively adapt to earthquake or wind shake effect in-process multiplex condition change demand.
Description
Technical Field
The utility model relates to a building structure antidetonation disaster prevention technical field, in particular to compound bucking restraint of pure steel friction is supported.
Background
The traditional quake-proof thought of falling into the great earthquake is developed towards the direction of rapidly recovering the normal living order of cities and residents after the earthquake. There is a need for an energy dissipating member that dissipates seismic energy during an earthquake and protects the host structure so that the building structure can recover its function quickly after the earthquake. The recoverable functional structure refers to a structure which can recover the use function of the earthquake without repair or with slight repair. The high-rise building has a plurality of users, and once the high-rise building is damaged by an earthquake, the economic and time cost for repairing and reinforcing the high-rise building after the earthquake is high. The energy dissipation component can not only consume earthquake energy and effectively protect the main structure, but also can be replaced after the earthquake, and is an effective way for protecting the main structure of the building and realizing the function recovery of the high-rise building structure after the earthquake.
The damper that adopts in the present building structure system carries out the power consumption shock attenuation, and common shock attenuation power consumption damper mainly has: buckling restrained brace, friction damper, viscous damper, metal damper, viscoelastic damper, and the like. However, the existing damper has a single energy consumption mode, is the same in large earthquakes and small earthquakes, and cannot effectively adapt to the requirements of different earthquake working conditions or multi-working-condition changes in the process of wind vibration.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a compound bucking restraint of pure steel friction is supported, has realized the compound power consumption of friction power consumption and bucking restraint and has supported, can realize the fractional order power consumption under little shake, well shake and the big earthquake seismic action or in the wind vibration, effectively adapts to earthquake or the wind vibration action in-process multiplex condition change demand.
The above technical object of the present invention can be achieved by the following technical solutions:
a pure steel friction composite type buckling restrained brace comprises a core plate, wherein a plurality of first strip-shaped holes distributed along the length direction of the core plate are formed in a penetrating mode, middle plates are arranged on two sides of the core plate, a plurality of first circular holes in one-to-one correspondence with the first strip-shaped holes are formed in the penetrating mode of each middle plate, a restraining plate is arranged on one side, away from the core plate, of each middle plate, one end of the core plate is fixedly connected with the two restraining plates, the other end of the core plate can move relative to the two restraining plates, a plurality of second strip-shaped holes in one-to-one correspondence with the first strip-shaped holes are formed in each restraining plate, a friction plate is arranged between each restraining plate and the corresponding middle plate, and a plurality of second circular holes in one-to-one correspondence with the first strip-shaped holes are formed in the penetrating mode of each friction plate;
the friction plate fixing device comprises a core plate, two middle plates, two constraining plates and two friction plates, and is characterized by further comprising a plurality of bolt assemblies for connecting the core plate, the two middle plates, the two constraining plates and the two friction plates into a whole, wherein each bolt assembly comprises a bolt and a nut, and the bolt penetrates through two second strip-shaped holes, two second round holes, two first round holes and the first strip-shaped hole to be connected with the nut.
By adopting the technical scheme, when a small earthquake occurs, the building structure pulls the core plate to reciprocate and deform, because one end of the core plate is connected with the restraint plate and the other end of the core plate is movable, and the first strip-shaped hole on the core plate does not push the bolt to move due to small displacement, only the core plate reciprocates and deforms at the moment, the buckling restraint energy dissipation support is carried out, and the effect of damping and dissipating energy is achieved in the small earthquake; when a large earthquake occurs, the deformation of the core plate is further increased, so that the displacement of the first strip-shaped hole can push the bolt to move, the bolt moves to drive the middle plate and the friction plate to move, the friction between the restraint plate and the friction plate of the middle plate consumes energy in the moving process, and meanwhile, the core plate also consumes energy in buckling restraint, and the core plate plays a role in composite damping and energy consumption in the large earthquake.
The utility model discloses a further set up to: the two sides at the two ends of the core plate are both connected with stiffening ribs perpendicular to the core plate, the two stiffening ribs at one end of the core plate are both connected with corresponding constraint edges, each constraint edge is far away from one end connected with the corresponding stiffening rib, a bar-shaped movable groove is formed in each constraint edge, and the two stiffening ribs at the other end of the core plate slide in the corresponding bar-shaped movable grooves.
The utility model discloses a further set up to: the downward two ends of the two restraining plates are both connected with cover plates.
The utility model discloses a further set up to: and one side of each second strip-shaped hole, which is far away from the core plate, is movably provided with a gasket for the bolt to pass through, and a through hole for the bolt to pass through is formed in each gasket in a penetrating way.
The utility model discloses a further set up to: the length of the second strip-shaped hole is longer than that of the first strip-shaped hole.
The utility model discloses a further set up to: the friction plate is a metal friction plate.
Compared with the prior art, the utility model discloses following beneficial effect has:
when wind vibration or earthquake action is small, the buckling restrained brace is started to consume energy when the core plate is started to generate axial plastic deformation, and a good energy consumption and shock absorption effect can be achieved in small earthquakes; when a large earthquake occurs, the buckling restrained brace energy consumption and the friction energy consumption are started simultaneously, double composite energy consumption is realized, and under the action of a larger earthquake, the energy consumption capability is stronger, so that the energy consumption capability of the damper can be adjusted in a self-adaptive manner, and a better energy consumption and shock absorption effect can be realized under different working conditions;
the core plate, the middle plate, the friction plate and the constraint plate are connected in a multi-layer manner, and the two constraint plates are connected into a whole by the cover plate, so that the core plate, the middle plate, the friction plate and the constraint plate are not buckled and deformed in energy dissipation and vibration reduction, only deform axially to dissipate energy, and are not easy to lose energy dissipation and vibration reduction capability.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is an exploded view of the present invention;
fig. 3 is a cross-sectional view of the present invention.
In the figure: 1. a core board; 11. a first bar-shaped hole; 2. a middle plate; 21. a first circular hole; 3. a restraint plate; 31. a second bar-shaped hole; 32. a strip-shaped movable groove; 4. a friction plate; 41. a second circular hole; 51. a bolt; 52. a nut; 6. a stiffening rib; 7. a cover plate; 8. a gasket; 81. and (5) perforating.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
The embodiment, referring to fig. 1-3, a pure steel friction composite buckling restrained brace comprises a core plate 1, two rows of first strip-shaped holes 11 distributed along the length direction of the core plate 1 are formed through the core plate 1, two middle plates 2 are respectively arranged on two sides of the core plate 1, the core plate 1 is in smooth contact with the two middle plates 2, the friction is small, two rows of first circular holes 21 corresponding to the first strip-shaped holes 11 are formed through each middle plate 2, one side of each middle plate 2, which is far away from the core plate 1, is provided with a restraint plate 3, two about board 3's downward both ends all are connected with a apron 7, the both ends end plate is as an organic whole with two about board 3 connections, each about board 3 has all seted up two rows and the second bar hole 31 of first bar hole 11 one-to-one, wherein the length of second bar hole 31 is longer than the length in first bar hole 11, each about board 3 and correspond all to be provided with a slice friction disc 4 between the intermediate lamella 2, friction disc 4 is the metal friction disc, run through each friction disc 4 and all set up two rows and the second round hole 41 of first bar hole 11 one-to-one.
Still include a plurality of bolts 51 subassemblies that are used for connecting core 1, two intermediate plates 2, two about plate 3 and two friction discs 4 as an organic whole, each second bar hole 31 one side of keeping away from core 1 all the activity is provided with a gasket 8, run through each gasket 8 and all set up a perforation 81 that supplies bolt 51 to pass, each bolt 51 subassembly all includes bolt 51 and nut 52, bolt 51 passes two perforations 81, two second bar holes 31, two second round holes 41, two first round holes and first bar hole 11 are connected with nut 52.
The two sides of the two ends of the core plate 1 are both connected with a stiffening rib 6 perpendicular to the core plate, the two stiffening ribs 6 at one end of the core plate 1 are both connected with corresponding constraint edges, each constraint edge is far away from one end connected with the corresponding stiffening rib 6, a strip-shaped movable groove 32 is formed in the end connected with the corresponding stiffening rib 6, the two stiffening ribs 6 at the other end of the core plate 1 slide in the corresponding strip-shaped movable grooves 32, one end of the core plate 1 is connected with the two constraint plates 3, and the other end can move relative to the two constraint plates 3.
The working principle is as follows: when wind vibration or a small earthquake acts, the building structure pulls the core plate 1 to reciprocate and deform, because one end of the core plate 1 is connected with the restraint plate 3, the other end of the core plate 1 can move, and the first strip-shaped hole 11 on the core plate 1 does not push the bolt 51 to move by small displacement, only the core plate 1 reciprocates and deforms at the moment, the core plate firstly generates plastic deformation and consumes energy, and the core plate plays a role in friction, shock absorption and energy consumption under the action of wind vibration or a small earthquake; when a large earthquake acts, the deformation of the core plate 1 is further increased, so that the displacement of the first strip-shaped hole 11 can push the bolt 51 to move, the bolt 51 moves to drive the middle plate 2 and the friction plate 4 to move, the friction between the restraint plate 3 and the friction plate 4 of the middle plate 2 consumes energy in the moving process, and meanwhile, the core plate 1 also consumes energy in buckling restraint, and plays a role in composite damping and energy consumption in a large earthquake action.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.
Claims (6)
1. The utility model provides a compound bucking restraint of pure steel friction is supported, includes core (1), its characterized in that: a plurality of first strip-shaped holes (11) distributed along the length direction of the core plate (1) are formed in a penetrating mode, middle plates (2) are arranged on two sides of the core plate (1), a plurality of first circular holes (21) corresponding to the first strip-shaped holes (11) in one-to-one mode are formed in the penetrating mode through each middle plate (2), a restraint plate (3) is arranged on one side, away from the core plate (1), of each middle plate (2), one end of the core plate (1) is fixedly connected with the two restraint plates (3), the other end of the core plate (1) can move relative to the two restraint plates (3), a plurality of second strip-shaped holes (31) corresponding to the first strip-shaped holes (11) in one-to-one mode are formed in each restraint plate (3), a friction plate (4) is arranged between each restraint plate (3) and the corresponding middle plate (2), and a plurality of second circular holes (41) corresponding to the first strip-shaped holes (11) in one-to-one mode are formed in the penetrating through each friction plate (4);
the novel friction plate fixing device is characterized by further comprising a plurality of bolt (51) assemblies for connecting the core plate (1), the two middle plates (2), the two constraint plates (3) and the two friction plates (4) into a whole, each bolt (51) assembly comprises a bolt (51) and a nut (52), and the bolt (51) penetrates through the two second strip-shaped holes (31), the two second round holes (41), the two first round holes and the first strip-shaped hole (11) and is connected with the nut (52).
2. The pure steel friction composite type buckling restrained brace as claimed in claim 1, wherein: the both sides at core (1) both ends all are connected with vertically stiffening rib (6) with it, two stiffening rib (6) of core (1) one end all are connected with the restraint limit that corresponds, and bar activity groove (32) have all been seted up with the one end that corresponds stiffening rib (6) and be connected to each restraint limit is kept away from, slide in two stiffening rib (6) of core (1) other end in corresponding bar activity groove (32).
3. The pure steel friction composite type buckling restrained brace as claimed in claim 1, wherein: the downward two ends of the two restraint plates (3) are both connected with cover plates (7).
4. The pure steel friction composite type buckling restrained brace as claimed in claim 1, wherein: one side of each second strip-shaped hole (31) far away from the core plate (1) is movably provided with a gasket (8) for the bolt (51) to pass through, and a through hole (81) for the bolt (51) to pass through is formed in each gasket (8).
5. The pure steel friction composite type buckling restrained brace as claimed in claim 1, wherein: the length of the second strip-shaped hole (31) is longer than that of the first strip-shaped hole (11).
6. The pure steel friction composite type buckling restrained brace as claimed in claim 1, wherein: the friction plate (4) is a metal friction plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221749433.3U CN217896832U (en) | 2022-07-06 | 2022-07-06 | Pure steel friction composite buckling restrained brace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221749433.3U CN217896832U (en) | 2022-07-06 | 2022-07-06 | Pure steel friction composite buckling restrained brace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217896832U true CN217896832U (en) | 2022-11-25 |
Family
ID=84134722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221749433.3U Active CN217896832U (en) | 2022-07-06 | 2022-07-06 | Pure steel friction composite buckling restrained brace |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217896832U (en) |
-
2022
- 2022-07-06 CN CN202221749433.3U patent/CN217896832U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101146790B1 (en) | Hybrid vibration control devices consisting of viscoelastic damper and hysteretic damper | |
| WO2017129078A1 (en) | Seismic isolation elastic restoring mechanism with pre-set starting load and starting control seismic isolation device | |
| CN109024960B (en) | SMA is from restoring to throne friction damper | |
| CN108442796B (en) | Replaceable arc-shaped soft steel plate combined energy dissipation damper for beam column joints | |
| CN110836031A (en) | Self-resetting damper and installation method | |
| CN108005249B (en) | Spacing protection device of shock insulation layer for building first layer column top shock insulation | |
| CN217896832U (en) | Pure steel friction composite buckling restrained brace | |
| KR101321416B1 (en) | Damping device for structure | |
| CN112343395A (en) | Self-reset multistage energy consumption device adopting pulley to adjust cable force and threshold triggering control | |
| CN115126113B (en) | Multidirectional composite shock insulation support | |
| CN110985579B (en) | High-damping self-limiting shock isolation device and use method thereof | |
| CN214614713U (en) | Bolt direct-pressurizing rubber damping device | |
| CN217783057U (en) | Buckling-restrained stepped energy-consumption friction damper | |
| CN114482666A (en) | Friction damper with self-resetting function and energy consumption method thereof | |
| CN114251007A (en) | Bolt direct-pressurizing rubber damping device | |
| CN113107124A (en) | Shock insulation floor with tuned mass damper function | |
| CN112609857A (en) | Curved shear damper based on embedded metal framework high polymer material | |
| CN108843727B (en) | Detachable dentate friction plate type damper | |
| CN217679780U (en) | Self-limiting friction damper | |
| CN220151039U (en) | Multidirectional replaceable arc-shaped mild steel energy dissipation damper | |
| CN216380083U (en) | Anti-collision device of shockproof building structure | |
| CN210369401U (en) | High-efficiency shearing vibration reduction type combined device | |
| CN220521638U (en) | Metal composite damper | |
| CN216742624U (en) | Self-resetting multi-degree-of-freedom shock-absorbing and energy-consuming device | |
| CN216406346U (en) | Parallel type graded sliding friction energy dissipater |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |