CN204645305U - A kind of novel energy-consumption shock-absorbing buckling restrained brace - Google Patents
A kind of novel energy-consumption shock-absorbing buckling restrained brace Download PDFInfo
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- CN204645305U CN204645305U CN201520327639.0U CN201520327639U CN204645305U CN 204645305 U CN204645305 U CN 204645305U CN 201520327639 U CN201520327639 U CN 201520327639U CN 204645305 U CN204645305 U CN 204645305U
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- buckling restrained
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Abstract
The utility model discloses a kind of novel energy-consumption shock-absorbing buckling restrained brace, comprise core board, be set in parallel in the upper restraining plate of the upper and lower both sides of this core board and lower restraining plate, described upper restraining plate and lower restraining plate two ends are respectively arranged with cross corner plate, the surface of described upper restraining plate and lower restraining plate relatively core core side has groove, described core board is embedded in this groove, upper and lower restraining plate is adopted to inlay within it by core board, so that this is supported on when being subject to reciprocating force effect can avoid flexing unstability, guarantee to enter plasticity power consumption state, consume the energy that outside earthquake disaster is brought, reduce infringement, further, core board adopts A5083 aluminum alloy material made, make total weight reduction, be suitable for large-span space structure, and this structure convenient disassembly, easy to maintenance, there is good economic benefit and social benefit.
Description
Technical field
The utility model relates to field of civil engineering, is specifically related to a kind of novel energy-consumption shock-absorbing buckling restrained brace reducing engineering structures disaster.
Background technology
Buckling restrained brace technology originates from Japan at first, it is in the mansion, Beijing of construction in 2005 that China uses first time, this novel center support Lateral Resistant System, there is better energy consumption ability in earthquake, in recent years, Chinese Space structure is at " two shops " sport building, high ferro station and roof truss without columns, newly-built and the enlarging of big and medium-sized cities terminal, apply flourish in the construction of large area exhibition center, this shows that space structures has significant advantage and leading action in these public works, and also create profound influence in the world.
And buckling restrained brace is a class supporting member, there is the axial rigidity that common support has, initial stiffness can be provided to structure; Again a class energy-dissipating and shock-absorbing element, in tension and pressurized process, core cell because of the constraint of the unit that suffers restraints, produce surrender and not flexing there is good energy-dissipating and shock-absorbing effect.
The tied mechanism that traditional buckling restrained brace adopts mostly " steel pipe and mortar ", the deadweight of this type of buckling restrained brace is comparatively large, is not suitable for the application in large-span space structure; And its endurance quality is not good, limit its application in the open in environment.
In addition, because traditional buckling restrained brace is integral type component, maintenance is not easy to; And after destroying under earthquake effect, whole component need be replaced, waste resource, increase the rear rehabilitation expense of building shake.
The applicant proposes the novel energy-consumption shock-absorbing buckling restrained brace of other a structure simultaneously, the upper and lower restraining plate of this support adopts V-arrangement corner plate structure, this kind of structure, upper and lower restraining plate forms rhombus interfacial structure, and its moment of inertia is larger, uses thinner steel work can reach enough restraint forcess, reduce materials, but due to v-shaped structure and core board contact area little, cause constraint Reliability comparotive low, be not suitable for large area space structure use.
Utility model content
In order to solve above-mentioned Problems existing, the utility model provides a kind of novel energy-consumption shock-absorbing buckling restrained brace.
The utility model for the adopted technical scheme that solves the problem is: provide a kind of novel energy-consumption shock-absorbing buckling restrained brace, comprise core board, be set in parallel in the upper restraining plate of the upper and lower both sides of this core board and lower restraining plate, described upper restraining plate and lower restraining plate two ends are respectively arranged with half cross corner plate, core board two ends are fixed by bolt by described half cross corner plate up and down, its two ends are made to form cross shape, the surface of described upper restraining plate and lower restraining plate relatively core core side has groove, and described core board is embedded in this groove.
Preferably, between described core board and groove, be filled with soap-free emulsion polymeization material, the friction effect between core board and groove walls can be reduced by filling soap-free emulsion polymeization material.
Preferably, described soap-free emulsion polymeization material is lithium base grease or butyl rubber.
Preferably, described core board side is provided with spacing snap fit, and described groove is provided with spacing draw-in groove with spacing snap fit corresponding position, by arranging spacing snap fit and spacing draw-in groove, can make core board under reciprocal tension and compression effect, not being subjected to displacement.
Preferably, described upper restraining plate and lower restraining plate all comprise one block of level board respectively and are vertically set on two walings on described level board.
Preferably, described half cross corner plate is bolted by two pieces of L shape corner plates to form, wherein two pieces of L shape corner plates are bolted the half cross corner plate be formed as one above, be connected with upper restraining plate, two pieces of L shape corner plates are bolted the half cross corner plate be formed as one below, be connected with lower restraining plate, make whole constraint support two ends and form cross shape, the device structure can being convenient to be mated connects.
Preferably, described core board adopts A5083 aluminium alloys made, and its yield load is lower, at about 155MPa, more early can enter plasticity power consumption state; Its strain hardening phenomenon is fairly obvious, and under cyclic load, its ultimate load is close to 300MPa, and hysteretic loop is comparatively large, is a kind of Energy dissipating material of excellence.
Preferably, described upper restraining plate and lower restraining plate all adopt A6061 aluminium alloys made.
The beneficial effects of the utility model: novel energy-consumption shock-absorbing buckling restrained brace described in the utility model, upper and lower restraining plate is adopted to inlay within it by core board, so that this is supported on when being subject to reciprocating force effect can avoid flexing unstability, guarantee to enter the energy that the outside earthquake disaster of plasticity power consumption state consumption is brought, reduce infringement, further, core board adopts A5083 aluminum alloy material made, make total weight reduction, be applicable to the long region of space length, and the support of this structure, core board and upper, lower restraining plate contact area is large, total is made to retrain reliability high, the wider interval of applicable space width, and this structure convenient disassembly, easy to maintenance, there is good economic benefit and social benefit.
Accompanying drawing explanation
Fig. 1 is a kind of novel energy-consumption shock-absorbing buckling restrained brace of the utility model stereochemical structure explosive view;
Fig. 2 is a kind of novel energy-consumption shock-absorbing buckling restrained brace of the utility model perspective view;
Fig. 3 is a kind of novel energy-consumption shock-absorbing buckling restrained brace of the utility model front view;
Fig. 4 is a kind of novel energy-consumption shock-absorbing buckling restrained brace of the utility model upward view;
Fig. 5 is a kind of novel energy-consumption shock-absorbing buckling restrained brace of the utility model lateral view;
Fig. 6 is the sectional view along A-A line in Fig. 4.
Detailed description of the invention
Below in conjunction with concrete accompanying drawing, the utility model is further described.
As shown in Figure 1, a kind of novel energy-consumption shock-absorbing buckling restrained brace is provided, it comprises core board 1, be set in parallel in the upper restraining plate 2 of core board about 1 both sides and lower restraining plate 3, a cross corner plate 5 is respectively arranged with at upper restraining plate 2 and lower restraining plate 3 two ends, upper restraining plate 2 and lower restraining plate 3 relatively core core 1 side inwardly have groove 4, core board 1 is embedded in this groove 4, and lithium base grease is filled with between core board 1 and groove 4, upper restraining plate 2 and lower restraining plate 3 are bolted and press from both sides therebetween by core board 1, wherein core board 1 is made by A5083 aluminium alloys, upper restraining plate 2 and lower restraining plate 3 are made by A6061 aluminium alloys.
As shown in Figure 1-2, upper restraining plate 2 comprises one block of level board and is vertically set on two reinforcing ribs 21 (see Fig. 2) on this level board; Lower restraining plate 3 comprises one block of level board and is vertically set on two reinforcing ribs 31 (see Fig. 1) on this level board.
As shown in Figure 2, cross corner plate 5 is bolted by four pieces of L shape corner plates 51 to be formed, above it, two pieces of L shape corner plates 51 are bolted and form first cross corner plate and be connected with upper restraining plate 2, in like manner, two pieces of L shape corner plates 51 are bolted and form second cross corner plate and be connected with lower restraining plate 3 below, upper restraining plate 2 to be connected with lower restraining plate 3 core board 1 is fixed on its inner groovy 4 time, two pieces of L shape corner plates 51 connected as one are connected with two pieces of L shape corner plates 51 connected as one below by bolt above, the both ends of core board 1 are fixed, make whole constraint support two ends simultaneously and form cross shape, so that the connection of itself and external equipment structure uses.
As shown in Figures 3 to 5, be the front view of above-mentioned a kind of novel energy-consumption shock-absorbing buckling restrained brace, upward view and lateral view;
As shown in Figure 6, the horizontal direction two side of core board 1 is respectively arranged with a spacing snap fit 7, corresponding with spacing snap fit 7 position, groove 4 two side that upper restraining plate 2 and lower restraining plate 3 relatively core core 1 are opened has limited location draw-in groove 6, described spacing snap fit 7 just coordinates with described spacing draw-in groove 6, realizes core board 1 by position constraint during reciprocal pressure effect.
A kind of novel energy-consumption shock-absorbing buckling restrained brace described in the utility model, its operation, when being subject to the similar disasters such as extraneous earthquake, core board 1 in this constraint supports can enter into plasticity power consumption state fast, prevent from locally buckling failure occurring, peripheral upper restraining plate 2 and lower restraining plate 3 surround inner core core 1, prevent core generation complete buckling from destroying, and lithium base grease is filled between inner core core 1 and groove 4, due to the existence of lithium base grease, upper restraining plate 2 and lower restraining plate 3 do not bear the load that outside passes over, only have core board 1 stressed separately, in tension process, core core aluminium sheet 1 deformed in tension, basically identical with the mechanical property of common support, and to be coordinated with spacing draw-in groove 6 by spacing snap fit 7 simultaneously and drive restraining plate 2 and lower restraining plate 3 to be subjected to displacement, in pressurized process, core central layer 1 compressive deformation, in drive, restraining plate 2 and lower restraining plate 3 are subjected to displacement, owing to placing the existence of restraining plate 2 and lower restraining plate 3 outward, there is surrender and flexing but can not occur or the small size buckling failure of many ripples only occurs in core board 1, stabilization, has good energy-dissipating and shock-absorbing effect.
Above content is in conjunction with concrete preferred embodiment further detailed description of the utility model; can not assert that concrete enforcement of the present utility model is confined to these explanations; for the utility model person of ordinary skill in the field; without departing from the concept of the premise utility; some simple deduction or replace can also be made, all should be considered as belonging to protection domain of the present utility model.
Claims (8)
1. a novel energy-consumption shock-absorbing buckling restrained brace, it is characterized in that: comprise core board, be set in parallel in the upper restraining plate of the upper and lower both sides of this core board and lower restraining plate, described upper restraining plate and lower restraining plate two ends are respectively arranged with half cross corner plate, core board two ends are fixed by bolt by described half cross corner plate up and down, its two ends are made to form cross shape, the surface of described upper restraining plate and lower restraining plate relatively core core side has groove, and described core board is embedded in this groove.
2. novel energy-consumption shock-absorbing buckling restrained brace according to claim 1, is characterized in that: be filled with soap-free emulsion polymeization material between described core board and groove.
3. novel energy-consumption shock-absorbing buckling restrained brace according to claim 2, is characterized in that: described soap-free emulsion polymeization material is lithium base grease or butyl rubber.
4. novel energy-consumption shock-absorbing buckling restrained brace according to claim 1, is characterized in that: described core board side is provided with spacing snap fit, and described groove is provided with spacing draw-in groove with spacing snap fit corresponding position.
5. novel energy-consumption shock-absorbing buckling restrained brace according to claim 1, is characterized in that: described upper restraining plate and lower restraining plate all comprise one block of level board respectively and be vertically set on two walings on described level board.
6. novel energy-consumption shock-absorbing buckling restrained brace according to claim 1, is characterized in that: described half cross corner plate is bolted by two pieces of L shape corner plates to form.
7. the novel energy-consumption shock-absorbing buckling restrained brace according to any one of claim 1-6, is characterized in that: described core board adopts A5083 aluminium alloys made.
8. novel energy-consumption shock-absorbing buckling restrained brace according to claim 7, is characterized in that: described upper restraining plate and lower restraining plate all adopt A6061 aluminium alloys made.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520327639.0U CN204645305U (en) | 2015-05-20 | 2015-05-20 | A kind of novel energy-consumption shock-absorbing buckling restrained brace |
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|---|---|---|---|
| CN201520327639.0U CN204645305U (en) | 2015-05-20 | 2015-05-20 | A kind of novel energy-consumption shock-absorbing buckling restrained brace |
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| CN204645305U true CN204645305U (en) | 2015-09-16 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193751A (en) * | 2016-09-05 | 2016-12-07 | 南京工业大学 | Double-yield-point linear all-steel buckling-restrained energy dissipation support |
| CN108060728A (en) * | 2018-02-05 | 2018-05-22 | 沈阳建筑大学 | A kind of assembled buckling restrained brace |
| CN108060727A (en) * | 2018-02-05 | 2018-05-22 | 沈阳建筑大学 | A kind of double aluminum alloy plate assembled buckling restrained brace |
| CN108301675A (en) * | 2018-02-05 | 2018-07-20 | 沈阳建筑大学 | A kind of aluminium alloy inner core assembled buckling restrained brace that side can be inspected |
| CN109457828A (en) * | 2018-11-16 | 2019-03-12 | 长安大学 | A kind of double constraint self reset curvature-prevention energy dissipation braces |
| CN113187117A (en) * | 2021-05-06 | 2021-07-30 | 沈阳建筑大学 | Aluminum alloy inner core assembled buckling restrained brace of full angle steel restraint |
| CN114382190A (en) * | 2021-12-28 | 2022-04-22 | 石家庄铁道大学 | Disk spring slope self-resetting buckling restrained brace |
| CN118166933A (en) * | 2024-05-13 | 2024-06-11 | 兰州理工大学 | Post-earthquake self-resetting buckling restrained brace and design method thereof |
-
2015
- 2015-05-20 CN CN201520327639.0U patent/CN204645305U/en active Active
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106193751A (en) * | 2016-09-05 | 2016-12-07 | 南京工业大学 | Double-yield-point linear all-steel buckling-restrained energy dissipation support |
| CN106193751B (en) * | 2016-09-05 | 2018-11-06 | 南京工业大学 | Double-yield-point linear all-steel buckling-restrained energy dissipation support |
| CN108060728A (en) * | 2018-02-05 | 2018-05-22 | 沈阳建筑大学 | A kind of assembled buckling restrained brace |
| CN108060727A (en) * | 2018-02-05 | 2018-05-22 | 沈阳建筑大学 | A kind of double aluminum alloy plate assembled buckling restrained brace |
| CN108301675A (en) * | 2018-02-05 | 2018-07-20 | 沈阳建筑大学 | A kind of aluminium alloy inner core assembled buckling restrained brace that side can be inspected |
| CN109457828A (en) * | 2018-11-16 | 2019-03-12 | 长安大学 | A kind of double constraint self reset curvature-prevention energy dissipation braces |
| CN109457828B (en) * | 2018-11-16 | 2024-02-13 | 长安大学 | Double-constraint self-reset buckling-restrained energy-dissipation brace |
| CN113187117A (en) * | 2021-05-06 | 2021-07-30 | 沈阳建筑大学 | Aluminum alloy inner core assembled buckling restrained brace of full angle steel restraint |
| CN114382190A (en) * | 2021-12-28 | 2022-04-22 | 石家庄铁道大学 | Disk spring slope self-resetting buckling restrained brace |
| CN118166933A (en) * | 2024-05-13 | 2024-06-11 | 兰州理工大学 | Post-earthquake self-resetting buckling restrained brace and design method thereof |
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