CN108590302A - A kind of earthquake for waving core exempts to damage Self-resetting energy-consuming device - Google Patents
A kind of earthquake for waving core exempts to damage Self-resetting energy-consuming device Download PDFInfo
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- CN108590302A CN108590302A CN201810431671.1A CN201810431671A CN108590302A CN 108590302 A CN108590302 A CN 108590302A CN 201810431671 A CN201810431671 A CN 201810431671A CN 108590302 A CN108590302 A CN 108590302A
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- Prior art keywords
- connector
- screw rod
- core
- earthquake
- consuming device
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- 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.)
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Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
Abstract
The earthquake that the present invention relates to a kind of for waving core exempts to damage Self-resetting energy-consuming device, including core screw rod, the composite connector being set on core screw rod, it is arranged in the locating part at core screw rod both ends, and it is set on core screw rod and is located at cup spring group between composite connector both ends and two locating parts, the composite connector includes the first connector and the second connector, wherein, second connector is set in outside in the middle part of core screw rod and can move along its axis, first connector is set on the outside of the second connector, and make the first connector and the second connector that can axially generate relative displacement along core screw rod.Compared with prior art, simple structure of the present invention, clear mechanism, Self-resetting energy-dissipating property are stablized, and each component keeps elasticity in seismic process, without repairing or replacing after shake, not will produce economic loss, are with a wide range of applications.
Description
Technical field
The invention belongs to construction engineering technical field, it is related to a kind of earthquake for waving core and exempts to damage Self-resetting energy consumption dress
It sets.
Background technology
Waving reinforced concrete shear wall, steel frame or steel truss hinged based on core etc. has compared with high bending stiffness
Structure type, with basis connection there was only shearing resistance and tensile capacity, without bending resistance.It recent studies have shown that, bottom hinge
The rigidity connect, which waves core, can prevent structure from occurring weak damage layer under big shake effect, improve the ductility of structure, prevent from tying
Structure collapses.Currently, waving core in existing frame anti-side structural system, such as existed concrete bridge frame structure system, bending resistance steel framework
There is larger application prospect in the seismic hardening of frame structural body system, steel braced frame structure system etc..
Currently, the research that core is waved about Self-resetting energy consumption, which mostly uses presstressed reinforcing steel realization, waves core Self-resetting, but
Presstressed reinforcing steel needs live tensioning, work progress cumbersome.In presstressed reinforcing steel and the anchoring construction on basis difficulty or even Practical Project
It is difficult to realize.And the fastener of presstressed reinforcing steel will produce loosening for a long time, causes the stress relaxation of presstressed reinforcing steel, seriously affects knot
Structure performance.The deformability of presstressed reinforcing steel is limited, if in seismic process, moderate finite deformation occurs for structure, and presstressed reinforcing steel is answered
It is more than its yield strain to become, then needs to replace presstressed reinforcing steel and anchor again tensioning after shaking, process is cumbersome and price is high
It is expensive.It is realized currently, plastic deformation mainly occurs by metal damper under geological process for the energy consumption for waving core.Existing research
Show metal damper after one earthquake is generated compared with large plastometric set, energy dissipation capacity significantly reduces, and can not ensure that structure exists
Safety under aftershock effect.Difficult, the expense all replaced is dismantled since metal damper generates larger plastic deformation, after shake
Also higher.The present invention is based on above problem proposition.
Invention content
It is an object of the present invention to overcome the above-mentioned drawbacks of the prior art and provide one kind for waving core
Earthquake exempt from damage Self-resetting energy-consuming device, the centre that two rigidity wave core can be arranged vertically at, utilize cup spring group
Hysteretic characteristic provides energy consumption and self-resetting capability, and in seismic process, each component of Self-resetting energy-consuming device keeps bullet
Property, without repairing or replacing after shake.
The purpose of the present invention can be achieved through the following technical solutions：
A kind of earthquake for waving core exempts to damage Self-resetting energy-consuming device, including core screw rod, is set in core screw rod
On composite connector, be arranged in the locating part at core screw rod both ends, and be set on core screw rod and be located at compound
Cup spring group between connector both ends and two locating parts, the composite connector include the first connector and the second connector,
Wherein, the second connector is set in outside in the middle part of core screw rod and can move along its axis, and the first connector is set in the second company
On the outside of fitting, and make the first connector and the second connector that can axially generate relative displacement along core screw rod.
Further, position of the locating part on core screw rod meets：It makes cup spring group is in always to be pressurized
State.
Further, gasket is additionally provided between locating part and composite connector respectively at cup spring group both ends.
Further, the cup spring group includes that interval is set on core screw rod and can move along its axis multiple interior
Ring, set is useful for resisting and squeezing the outer shroud of its outer surface in two adjacent inner ring.
Further, two inner ring of the top and bottom, which are respectively provided with, tilts from lower end and from the inclined ring in upper end
The outer side slope of shape tilts from its position of center line to upper and lower ends positioned at the outer surface of intermediate inner ring and forms two up and down
Annular outboard slope surface, heart position tilts the outer shroud inner surface upper and lower ends thereto respectively, and is formed outer with the annular
The matched two annular inboard slope surfaces of side slope.
Further, the inner ring uses high-strength steel, the outer shroud to use marmem or high-strength steel.
Further, the locating part is the nut being arranged by screw thread at core screw rod both ends.
Further, first connector and the second connector are all made of steel pipe outside upright arrangement steel plate and are formed,
Wherein, the steel tubing portions of the second connector are set on core screw rod, are equipped with vertically on the inside of the steel tubing portions of the first connector
Sliding slot, and be located on the second connector by sliding slot Moveable-jacket..
Further, the sheet steel sections of first connector and the second connector are respectively used to connection and wave core
The heart.
Further, by being welded and fixed between steel pipe and steel plate.
Compared with prior art, the invention has the characteristics that：
(1) simple structure of the present invention, the mechanism of action are clear；
It (2) can be by adjusting the number of inner and outer rings in cup spring group, the rigidity of flexible design Self-resetting energy-consuming device and change
Shape ability；
(3) the cup spring group in Self-resetting energy-consuming device is in pressured state always, and performance is stablized；
(4) Self-resetting energy-consuming device provides energy consumption and runback potential energy by the friction of inner and outer ring and cup spring group hysteretic characteristic
Power, during entire earthquake, each component in Self-resetting energy-consuming device keeps elasticity, without repairing or replacing after shake；
(5) Self-resetting energy-consuming device have overload protection, in earthquake in Self-resetting energy-consuming device cup spring group compressive deformation
When being deformed more than desired design, after inner ring is held out against, entire Self-resetting energy-consuming device will become a rigid connector and continue to carry；
(6) prefabrication may be implemented in each component of Self-resetting energy-consuming device, and each component can realize normalized production assembly,
Industrialized production can be fully achieved, prefabricated construction has extensive application value.
Description of the drawings
Fig. 1 is the structural diagram of the present invention；
Fig. 2 is the structural schematic diagram of the cup spring group of the present invention；
Fig. 3 is the schematic front view of the outer shroud of the present invention；
Fig. 4 is the schematic top plan view of the outer shroud of the present invention；
Fig. 5 is the schematic front view of the intermediate inner ring of the present invention；
Fig. 6 is the schematic top plan view of the intermediate inner ring of the present invention；
Fig. 7 is the schematic front view of the end inner ring of the present invention；
Fig. 8 is the schematic top plan view of the end inner ring of the present invention；
Fig. 9 is the schematic front view of the first connector of the present invention；
Figure 10 is the schematic top plan view of the first connector of the present invention；
Figure 11 is the schematic front view of the second connector of the present invention；
Figure 12 is the schematic top plan view of the second connector of the present invention；
Figure 13 is cup spring group compression schematic diagram when opposite sliding occurs for the first connector and the second connector of the invention；
Figure 14 is the scheme of installation of the Self-resetting energy-consuming device of the present invention；
Description of symbols in figure：
1- core screw rods, 2- nuts, the first gaskets of 3-, the second gaskets of 4-, the first connectors of 5-, the second connectors of 6-, 7-
Outer shroud, inner ring among 8-, the ends 9- inner ring, 10- sliding slots, 11- rigidly wave core, 12- annular outboard slope surfaces, in 13- annulars
Side slope.
Specific implementation mode
The present invention is described in detail with specific embodiment below in conjunction with the accompanying drawings.The present embodiment is with technical solution of the present invention
Premised on implemented, give detailed embodiment and specific operating process, but protection scope of the present invention is not limited to
Following embodiments.
The present invention proposes a kind of earthquake for waving core and exempts to damage Self-resetting energy-consuming device, and structure is referring to Fig. 1 institutes
Show, including core screw rod 1, be set on core screw rod 1 composite connector, be arranged in the locating part at 1 both ends of core screw rod, with
And it is set on core screw rod 1 and is located at cup spring group between composite connector both ends and two locating parts, it is described compound
Connector includes the first connector 5 and the second connector 6, wherein the second connector 6 is set in 1 middle part outside of core screw rod simultaneously
It can move along its axis, the first connector 5 is set in 6 outside of the second connector, and makes the first connector 5 and the second connector
6 can be along the axial generation relative displacement of core screw rod 1.
In a kind of preferred embodiment of the present invention, position of the locating part on core screw rod 1 meets：Its
So that cup spring group is in pressured state always.
In a kind of preferred embodiment of the present invention, cup spring group both ends respectively with locating part and composite connector it
Between be additionally provided with gasket, gasket is divided into the first gasket 3 and the second gasket 4, and the first gasket 3 is between cup spring group and locating part,
Two gaskets 4 are between cup spring group and composite connector.
Shown in Figure 2 in a kind of preferred embodiment of the present invention, the cup spring group includes that interval is set in
On core screw rod 1 and the multiple inner ring that can move along its axis, set is useful for resisting and squeeze outside it in two adjacent inner ring
The outer shroud 7 of side surface.
In further embodiment, shown in Fig. 3-Fig. 8, two inner ring of the top and bottom are respectively provided with
It is tilted from lower end and from the inclined annular outboard slope surface 12 in upper end, is located at the outer surface of intermediate inner ring from its position of center line
Two annular outboard slope surfaces 12 up and down are tilted and formed to upper and lower ends, and 7 inner surface upper and lower ends of the outer shroud are respectively to it
Center tilts, and is formed and 12 matched two annular inboard slope surfaces 13 of the annular outboard slope surface.
In further embodiment, the inner ring uses high-strength steel, the outer shroud 7 to use marmem
Or high-strength steel.
Shown in Figure 1 in a kind of preferred embodiment of the present invention, the locating part is to be arranged by screw thread
Nut 2 at 1 both ends of core screw rod.
In a kind of preferred embodiment of the present invention, shown in Fig. 9-Figure 12, first connector 5 and the
Two connectors 6 are all made of steel pipe outside upright arrangement steel plate and are formed, wherein the steel tubing portions of the second connector 6 are set in core
It is equipped with sliding slot 10 vertically on screw rod 1, on the inside of the steel tubing portions of the first connector 5, and is located at by 10 Moveable-jacket of sliding slot
On second connector 6.In further embodiment, the sheet steel sections point of first connector 5 and the second connector 6
It Yong Yu not connect and wave core.Further, by being welded and fixed between steel pipe and steel plate.
Embodiment 1
Shown in Figure 1, a kind of earthquake for waving core exempts to damage Self-resetting energy-consuming device, including core screw rod 1, spiral shell
Female 2, first gasket 3, cup spring group, the second gasket 4, the first connector 5 and the second connector 6.Wherein, the cup spring group covers respectively
In the outside of 1 upper and lower side of core screw rod；First connector, 5 and second connector 6 is sleeved on the outside at 1 middle part of core screw rod；
First gasket, 3 and second gasket 4 is sleeved on the outside of core screw rod 1, and is located at the upper and lower of the cup spring group, to institute
It states cup spring group and carries out axial limiting；The nut 2 is arranged in 1 both ends of core screw rod, for being carried out about to the cup spring group
Beam and application pretightning force.When the first connector 5 and the second connector 6 are when vertically occurring relative displacement, the second gasket 4 of drive squeezes
Pressure ring spring group, cup spring group provide energy consumption and runback using the hysteretic characteristic of friction and cup spring group between inner and outer ring for energy-consuming device
Capability, it is shown in Figure 13.The above-mentioned earthquake for waving core exempts from damage Self-resetting energy-consuming device and is arranged vertically at two
Between rigidity waves core, core is waved with two rigidity by the first connector and the second connector and is welded to connect, referring to figure
Shown in 14.
Referring to Fig. 1, the core screw rod 1 is the screw rod that both ends are threaded, 1 the first gasket of both ends 3 of the core screw rod
Outside is equipped with nut 2, for pretightning force to be limited and applied to cup spring group；
Shown in Fig. 2-Fig. 8, the cup spring group is assembled by inner ring and outer rings 7, wherein inner ring includes upper and lower ends
End inner ring 9, and positioned at intermediate intermediate inner ring 8, all inner ring are spaced and are set on core screw rod 1,7 sets of outer shroud
In two neighboring inner ring, and by the described two adjacent inner ring outer surfaces of its inner surface contact squeeze, so that two
A adjacent inner ring generates the movement tendency being relatively distant from, and keeps the pressured state of cup spring group.Two ends of the top and bottom
Portion's inner ring 9, which is respectively provided with, to be tilted from lower end and from the inclined annular outboard slope surface 12 in upper end, is located at the outer of intermediate intermediate inner ring 8
Side surface tilts from its position of center line to upper and lower ends and is formed two annular outboard slope surfaces 12 up and down, 7 inside of the outer shroud
Heart position tilts surface upper and lower ends thereto respectively, and is formed and the matched two annular inboard slopes of the annular outboard slope surface
Face 13.It is preferably used in the present embodiment and is designed to end inner ring 9 to be equivalent to the shape and structure of half of intermediate inner ring 8.Inner ring material
Material is high-strength steel, and outer ring material can be marmem or high-strength steel, and cup spring group is in pressured state always；
Referring to Fig. 9-Figure 12, first connector, 5 and second connector 6 is steel pipe outside upright welding steel structure
At the steel tubing portions of the second connector 6 are sleeved on 1 outside of core screw rod, and sliding slot is equipped on the inside of the steel tubing portions of the first connector 5
10, and can be sleeved on by sliding slot 10 on the outside of the steel tubing portions of second connector 6, both it is located in upper and lower two the second gaskets 4
Between；
Referring to Figure 14, first connector, 5 and second connector 6 waves nuclear structure with rigidity by welding and connect；
When Specific construction：
(1) according to design size processing core screw rod 1, nut 2, the first gasket 3, inner ring, outer shroud 7, the second gasket 4,
The components such as a connection piece 5 and the second connector 6；
(2) inner ring and outer rings 7 are assembled into cup spring group；
(3) constraint is tightened into 1 one end of core screw rod using nut 2, is then inserted in the first gasket 3, cup spring group, second successively
Gasket 4, the second connector 6, the first connector 5, the second gasket 4, cup spring group, the first gasket 3, are finally constrained with nut 2,
And pretightning force is applied to cup spring group；
According to the above specific implementation mode, the earthquake that the present invention provides a kind of for waving core exempts to damage Self-resetting energy consumption
Device, not only simple structure, Self-resetting energy-dissipating property stabilization are suitble to industrialized production and prefabricated construction, and are not necessarily to repair after shaking
Multiple or replacement, has broad application prospects.
The above description of the embodiments is intended to facilitate ordinary skill in the art to understand and use the invention.
Person skilled in the art obviously easily can make various modifications to these embodiments, and described herein general
Principle is applied in other embodiment without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments, ability
Field technique personnel announcement according to the present invention, improvement and modification made without departing from the scope of the present invention all should be the present invention's
Within protection domain.
Claims (10)
1. a kind of earthquake for waving core exempts to damage Self-resetting energy-consuming device, which is characterized in that including core screw rod, be set in
Composite connector on core screw rod is arranged in the locating part at core screw rod both ends, and is set on core screw rod and respectively
Cup spring group between composite connector both ends and two locating parts, the composite connector include the first connector and second
Connector, wherein the second connector is set in outside in the middle part of core screw rod and can move along its axis, and the first connector is set in
On the outside of second connector, and make the first connector and the second connector that can axially generate relative displacement along core screw rod.
2. a kind of earthquake for waving core according to claim 1 exempts to damage Self-resetting energy-consuming device, which is characterized in that
Position of the locating part on core screw rod meets：It makes cup spring group be in pressured state always.
3. a kind of earthquake for waving core according to claim 1 exempts to damage Self-resetting energy-consuming device, which is characterized in that
Gasket is additionally provided between locating part and composite connector respectively at cup spring group both ends.
4. a kind of earthquake for waving core according to claim 1 exempts to damage Self-resetting energy-consuming device, which is characterized in that
The cup spring group includes that interval is set in the multiple inner ring that on core screw rod and can be moved along its axis, in two adjacent inner ring
Upper set is useful for resisting and squeezing the outer shroud of its outer surface.
5. a kind of earthquake for waving core according to claim 4 exempts to damage Self-resetting energy-consuming device, which is characterized in that
Two inner ring of the top and bottom, which are respectively provided with, to be tilted from lower end and from the inclined annular outboard slope surface in upper end, is located at centre
The outer surface of inner ring two annular outboard slope surfaces up and down are tilted and formed from its position of center line to upper and lower ends, it is described outer
Heart position tilts ring inner surface upper and lower ends thereto respectively, and is formed and matched two annulars of the annular outboard slope surface
Interior side slope.
6. a kind of earthquake for waving core according to claim 4 exempts to damage Self-resetting energy-consuming device, which is characterized in that
The inner ring uses high-strength steel, the outer shroud to use marmem or high-strength steel.
7. a kind of earthquake for waving core according to claim 1 exempts to damage Self-resetting energy-consuming device, which is characterized in that
The locating part is the nut being arranged by screw thread at core screw rod both ends.
8. a kind of earthquake for waving core according to claim 1 exempts to damage Self-resetting energy-consuming device, which is characterized in that
First connector and the second connector is all made of steel pipe outside upright arrangement steel plate and is formed, wherein the second connector
Steel tubing portions are set on core screw rod, sliding slot vertically are equipped on the inside of the steel tubing portions of the first connector, and pass through sliding slot
Moveable-jacket is located on the second connector.
9. a kind of earthquake for waving core according to claim 8 exempts to damage Self-resetting energy-consuming device, which is characterized in that
The sheet steel sections of first connector and the second connector are respectively used to connection and wave core.
10. a kind of earthquake for waving core according to claim 8 exempts to damage Self-resetting energy-consuming device, feature exists
In by being welded and fixed between steel pipe and steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810431671.1A CN108590302B (en) | 2018-05-08 | 2018-05-08 | A kind of earthquake for waving core exempts to damage Self-resetting energy-consuming device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810431671.1A CN108590302B (en) | 2018-05-08 | 2018-05-08 | A kind of earthquake for waving core exempts to damage Self-resetting energy-consuming device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108590302A true CN108590302A (en) | 2018-09-28 |
| CN108590302B CN108590302B (en) | 2019-10-01 |
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ID=63636029
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| CN201810431671.1A Active CN108590302B (en) | 2018-05-08 | 2018-05-08 | A kind of earthquake for waving core exempts to damage Self-resetting energy-consuming device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110067212A (en) * | 2019-05-07 | 2019-07-30 | 防灾科技学院 | Fast repairing method after a kind of shake of reinforced concrete bridge pier |
| WO2020249097A1 (en) * | 2019-06-13 | 2020-12-17 | 山东大学 | Self-resetting damper using wedge-shaped sliding block to realize friction energy dissipation, and manufacturing method for self-resetting damper |
| CN114016795A (en) * | 2021-12-08 | 2022-02-08 | 石家庄铁道大学 | Buckling restrained corrugated pipe energy dissipation supporting device based on ring spring self-resetting and manufacturing method |
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| CN114016795A (en) * | 2021-12-08 | 2022-02-08 | 石家庄铁道大学 | Buckling restrained corrugated pipe energy dissipation supporting device based on ring spring self-resetting and manufacturing method |
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