CN204753877U - Spring is from restoring to throne buckling restrained brace device - Google Patents

Spring is from restoring to throne buckling restrained brace device Download PDF

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Publication number
CN204753877U
CN204753877U CN201520411522.0U CN201520411522U CN204753877U CN 204753877 U CN204753877 U CN 204753877U CN 201520411522 U CN201520411522 U CN 201520411522U CN 204753877 U CN204753877 U CN 204753877U
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China
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plate
junction plate
spring
constraint
junction
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CN201520411522.0U
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Chinese (zh)
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王涛
黄俊奎
孟丽岩
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王涛
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Abstract

The utility model relates to a buckling restrained brace device resets, from the buckling restrained brace device that restores to the throne, including outside restraint unit, inner core and resetting means. Resetting means is the reset spring component, outside restraint unit is used for retraining the inner core bending deformation, the reset spring component is used for resumeing the drawing or the compressing deformation of inner core. The utility model discloses a can produce a reaction force after the reset spring member utilizes the spring atress to be out of shape and restore to the throne, need not prestress application, can guarantee that buckling restrained brace reduces its remnant deformation under big the shake on having the basis of good power consumption ability to realize the predetermined effect that resets. Compare from restoring to the throne buckling restrained brace with the prestressing force formula, can realize more conveniently that the support is drawn, the reset function when pressing. Just the utility model discloses simple structure, low price, processing preparation convenience, the engineering of being convenient for is popularized and applied.

Description

Spring Self-reset anti-flexure support device
Technical field
The utility model relates to a kind of novel building structure energy-consumption shock-absorption device, particularly relates to a kind of spring Self-reset anti-flexure support device.
Background technology
Traditional bracing members can improve lateral rigidity and the bearing capacity of building structure.But, under the effect of macroseism, support and easily overall or local compression flexing occur, significantly reduce the anti-seismic performance of structure.
Anti-buckling support is on the basis that conventional steel supports, and adopts the flexural deformation of outsourcing constraint element constraint inner core, to realize the total cross-section surrender power consumption of the power consumption section of inner core, complete buckling does not occur simultaneously.Anti-buckling support has taken into account traditional support and metal damper dual-use function, effectively can reduce the earthquake response of structure, improves the anti-seismic performance of structure.But anti-buckling support is consumed energy based on the yield characteristic of steel, causes the generation of geological process lower support permanent set.Excessive permanent set, not only affects the normal use of structure, also can increase the rehabilitation cost of structure.
In order to solve the anti-buckling permanent set problem supporting existence, home and abroad scholar installs Self-resetting system additional in the anti-buckling support of tradition, reduces the permanent set of anti-buckling support with this.The patent No. is the buckling-resistant support structure that the patent application of CN101824922 proposes using ordinary steel twisted wire as resetting system, its prestress wire is anchored on the end plate at inner and outer sleeves two ends, in inner and outer sleeves after generation relative displacement, by steel strand, sleeve and inner core are retracted original position.This support can eliminate the permanent set of traditional anti-buckling support, but effective applying of structural initial pre stress is the key ensureing that this support resets, and initial value should be greater than inner core yield force more than 1.3 times.Also have scholar's proposition marmem to make resetting means, but there is material price costliness, make the problems such as difficulty in marmem.
Utility model content
The purpose of this utility model is to provide a kind of spring Self-reset anti-flexure support device adopting spring member, needs Shi Hanzhang and the high problem of cost to solve anti-buckling bracing or strutting arrangement in prior art.
For realizing above-mentioned utility model object, the technical scheme that the utility model adopts is:
Described device comprises inner core plates, for retraining the diastrophic external constraint unit of inner core plates and the back-moving spring component for the stretching that recovers inner core plates or compressive strain, described inner core plates both sides are provided with the linkage connecting exterior building structure;
Described external constraint unit comprises superposed upper constraint element and is positioned at the lower constraint element of bottom, gap is left between described upper constraint element and lower constraint element, described inner core plates is arranged in described gap, described external constraint unit has two ends, wherein one end is fixed in inner core plates by the first junction plate, and the other end is connected with back-moving spring component by the second junction plate;
Described back-moving spring component comprises the 3rd junction plate, dividing plate and some guide pegs, described second junction plate, 3rd junction plate and dividing plate include upper plate and lower plate, described 3rd junction plate upper plate and the 3rd junction plate lower plate are individually fixed in the upper of inner core plates same position, soffit, described dividing plate upper plate and dividing plate lower plate are individually fixed in the upper of inner core plates same position, soffit, described second junction plate upper plate is fixed on one end of constraint element, one end of constraint element under being fixed on that described second junction plate lower plate is corresponding, gap is left between described second junction plate upper plate and the second junction plate lower plate, described inner core plates is through described gap, described dividing plate is provided with some perforates, described some guide pegs are through described perforate, two ends are separately fixed on the 3rd junction plate and the second junction plate, part on described guide peg between the second junction plate and dividing plate and between dividing plate and the 3rd junction plate is all overlapped and is had spring, described spring is in the state without external force in original state.
As shown from the above technical solution, the utility model can produce a reaction force after adopting back-moving spring component to utilize spring stress to be out of shape and reset, and without the need to Shi Hanzhang, and spring member is cheap, reduces the cost of whole anti-buckling bracing or strutting arrangement.
Preferably, the both ends of the spring between described second junction plate and dividing plate is separately fixed on the second junction plate and dividing plate, and the both ends of the spring between described dividing plate and the 3rd junction plate is separately fixed on dividing plate and the 3rd junction plate.
Preferably, described inner core plates arranged on left and right sides is respectively provided with some cushion blocks, and described cushion block is fixed on constraint element or lower constraint element.
Preferably, described inner core plates comprises linkage section, lower linkage section, upper strengthening segment and lower strengthening segment and surrender section, and from described upper linkage section to upper strengthening segment to surrender section, cross sectional area diminishes gradually, from described lower linkage section to lower strengthening segment to surrender section, cross sectional area diminishes gradually.
Preferably, described external constraint unit comprises four square steel pipes, and described upper constraint element and lower constraint element form by the square steel pipe of left and right placement arranged side by side, are fixedly connected with between every two steel pipes of described four square steel pipes.
Preferably, described guide peg has four, dividing plate upper plate and dividing plate lower plate are respectively provided with two perforates, two guide pegs are fixed on the 3rd junction plate upper plate through perforate one end of dividing plate upper plate, the other end is fixed on the second junction plate upper plate, another two guide pegs are fixed in the 3rd junction plate lower plate through perforate one end of dividing plate lower plate, and the other end is fixed in the second junction plate lower plate.
Preferably, in described 3rd junction plate and the dividing plate upper linkage section that is fixed on inner core plates or lower linkage section.
Preferably, described spring is compression spring.
The utility model can ensureing the basis that anti-buckling support has a good energy dissipation capacity reduce its permanent set under large shake, to realize predetermined reset effect.Compared with supporting with pre-stress type self reset curvature-prevention, can realize more easily supporting draw, reset function when pressing.And the utility model structure is simple, cheap, processing and fabricating convenient, is convenient to engineering and applies.
Accompanying drawing explanation
Fig. 1 is the structural representation of the inner core of an embodiment of the present utility model;
Fig. 2 is the structural representation of an embodiment of the present utility model;
Fig. 3 is the 1-1 sectional view of Fig. 2;
Fig. 4 is the mechanical model figure of the simplification of an embodiment of the present utility model;
Fig. 5 is the mechanical model figure of the simplification of an embodiment of the present utility model.
Detailed description of the invention
Below in conjunction with drawings and Examples, the utility model method is described further.
In an embodiment of the spring Self-reset anti-flexure support device provided at the utility model, described device comprises inner core plates, for retraining the diastrophic external constraint unit of inner core plates and the back-moving spring component for the stretching that recovers inner core plates or compressive strain, described inner core plates both sides are provided with the linkage connecting exterior building structure;
Described external constraint unit comprises superposed upper constraint element and is positioned at the lower constraint element of bottom, gap is left between described upper constraint element and lower constraint element, described inner core plates is arranged in described gap, described external constraint unit has two ends, wherein one end is fixed in inner core plates by the first junction plate, and the other end is connected with back-moving spring component by the second junction plate;
The structure of described back-moving spring component please refer to Fig. 2, described back-moving spring component comprises the 3rd junction plate 5, dividing plate 2 and some guide pegs 10, described second junction plate 7, 3rd junction plate 5 and dividing plate 2 include upper plate and lower plate, described 3rd junction plate upper plate and the 3rd junction plate lower plate are individually fixed in the upper of inner core plates 3 same position, soffit, described dividing plate upper plate and dividing plate lower plate are individually fixed in the upper of inner core plates 3 same position, soffit, described second junction plate upper plate is fixed on one end of constraint element, one end of constraint element under being fixed on that described second junction plate lower plate is corresponding, gap is left between described second junction plate upper plate and the second junction plate lower plate, described inner core plates 3 is through described gap, described dividing plate 2 is provided with some perforates, described some guide pegs 10 are through described perforate, two ends are separately fixed on the 3rd junction plate 5 and the second junction plate 7, part on described guide peg 10 between the second junction plate 7 and dividing plate 2 and between dividing plate 2 and the 3rd junction plate 5 is all overlapped and is had spring 6, described spring 6 is in the state without external force in original state.
In an initial condition, inner core plates 3 does not stress, and spring 6 is in the free state do not stressed.Under external force, generation is drawn by inner core plates 3, compressive strain, and just can produce relative displacement between the dividing plate 2 that inner core plates 3 is fixing and external constraint unit, thus force dividing plate 2 and the spring 6 between the second junction plate 7 and the 3rd junction plate 5 to deform, inner core plates 3 distortion pushes back by the reaction force being out of shape generation by spring 6, and support is resetted.
When inner core plates 3 is in pressured state, dividing plate 2 and and the second junction plate 7 between four springs 6 produce compressive deformation, four springs between dividing plate 2 and the 3rd junction plate 5 do not stress, the mechanical model in this stage as shown in Fig. 4 (a), stressed spring 6 and external constraint units in series.When inner core plates 3 is in tension state, four springs 6 between dividing plate 2 and the 3rd junction plate 5 produce compressive deformation, four springs 6 between dividing plate 2 and the second junction plate 7 do not stress, and stressed spring 6 and external constraint units in series, the mechanical model in this stage is as Fig. 4 (b).
The utility model can produce a reaction force after adopting back-moving spring component to utilize spring stress to be out of shape and reset, and without the need to Shi Hanzhang, and spring member is cheap, reduces the cost of whole anti-buckling bracing or strutting arrangement.
Further, in some preferred embodiment of the present utility model, both ends of the spring between described second junction plate and dividing plate is separately fixed on the second junction plate and dividing plate, and the both ends of the spring between described dividing plate and the 3rd junction plate is separately fixed on dividing plate and the 3rd junction plate.
In the preferred embodiment, when inner core plates 3 is in pressured state, dividing plate 2 and and the second junction plate 7 between four springs 6 produce compressive deformation, four spring 6 deformed in tension between dividing plate 2 and the 3rd junction plate 5, the stressed spring 6 of these stage dividing plate both sides is in parallel, stressed spring 6 and external constraint units in series, the mechanical model in this stage is as shown in Fig. 5 (a).When inner core plates 3 is in tension state, four springs 6 between dividing plate 2 and the 3rd junction plate 5 produce compressive deformation, four springs 6 between dividing plate 2 and the second junction plate 7 produce deformed in tension, the stressed spring 6 of these stage dividing plate 2 both sides is in parallel, stressed spring 6 and external constraint units in series, the mechanical model in this stage is as shown in Fig. 5 (b).
Compared to the scheme that spring 6 is not fixed with the second junction plate 7, dividing plate 2 and the 3rd junction plate 5, above-mentioned preferred embodiment is when back-moving spring institution staff, the spring 6 of dividing plate 2 both sides will become in parallel stressed, larger than the stressed rigidity of one-sided springs, when spring 6 quantity is identical, the rigidity of back-moving spring mechanism increases one times, thus can improve the self-resetting capability of whole anti-buckling bracing or strutting arrangement, reduces the permanent set of anti-buckling bracing or strutting arrangement further.
Concrete, in some preferred embodiment of the present utility model, described back-moving spring component comprises four guide pegs 10, dividing plate upper plate and dividing plate lower plate are respectively provided with two perforates, two guide pegs 10 are fixed on the 3rd junction plate upper plate through perforate one end of dividing plate upper plate, the other end is fixed on the second junction plate upper plate, and another two guide pegs are fixed in the 3rd junction plate lower plate through perforate one end of dividing plate lower plate, and the other end is fixed in the second junction plate lower plate.
Optionally, described spring 6 can adopt compression spring.
In other embodiments of the present utility model, external constraint unit also can all connect back-moving spring component in both sides, as preferred embodiment, not only structure is simple only to arrange back-moving spring component in side, and the rigidity of resetting system compared with back-moving spring component is set with two ends, can be increased, reset effect is better.Because all arrange at constraint element two ends back-moving spring component in fact two groups of back-moving springs just become series connection, rigidity on the contrary can be also less than the rigidity of one group of back-moving spring.
Further, in some preferred embodiment of the present utility model, described inner core plates 3 can adopt structure as shown in Figure 1, wherein, inner core plates 3 comprises linkage section 304, lower linkage section 305, upper strengthening segment 303 and lower strengthening segment 302 and surrender section 301, and from described upper linkage section 304 to upper strengthening segment 303 to surrender section, cross sectional area diminishes gradually, from described lower linkage section 305 to lower strengthening segment 302 to surrender section, cross sectional area reduces gradually.
In this preferred embodiment, described inner core plates 3 adopts the structure of yi word pattern variable cross-section, in order to ensure that unconfinement section flexing can not occur, in other embodiments, upper linkage section 304, lower linkage section 305, upper strengthening segment 303 and lower strengthening segment 302 also can adopt cross section inner core plates.As preferred embodiment of the present utility model, adopt the structure in yi word pattern three gradient variable cross section, the cross section of inner core can be reduced on the whole, thus reduce the yield strength of inner core, adapt to the situation that current spring member rigidity is little.In addition, this structure can ensure linkage section 304, the size of lower linkage section 305 becomes large relatively, can arrange multiple spring herein to form back-moving spring component.In addition, the cross section of gradual change can also prevent inner core plates 3 from brittle failure occurring.
Wherein, inner core plates 3 can adopt the junction plate 1 shown in Fig. 1 to be connected with exterior building structure, and described junction plate 1 is provided with multiple screw, realizes being connected with exterior building frame construction to facilitate.Junction plate also can select the patterns such as T-shaped plate according to actual needs.
Optionally, inner core plates 3 adopts low yield point steel plate.
Further, in some preferred embodiment, described inner core plates arranged on left and right sides is respectively provided with some cushion blocks, and described some cushion blocks are fixed on constraint element or lower constraint element.Preferably, the spacing between described cushion block is 10cm, and such cushion block not only can control gap between constraint element and lower constraint element but also can the lateral deformation of operative constraint inner core plates 3.
In some preferred embodiment of external constraint unit of the present utility model, please refer to Fig. 2 and Fig. 3, described external constraint unit comprises four square steel 8, described upper constraint element and lower constraint element form by the square steel pipe 8 of left and right placement arranged side by side, are fixedly connected with between every two steel pipes of described four square steel pipes.Inner core plates 3 is positioned in the middle of two square steel pipes of top and two square steel pipes of below, and one end of described four square steel is fixed on the first junction plate 4, and described first junction plate 4 is fixed in inner core plates 3.Wherein in some embodiments, described first junction plate 4 comprises upper plate and lower plate, described first junction plate upper plate and the first junction plate lower plate are vertically welded on the upper and lower surface of inner core plates 3 respectively, two square steel of top weld with the first junction plate upper plate, and two square steel of below weld with the first junction plate lower plate.In other embodiments, the first junction plate 4 and inner core plates 3 also can take integrated structure.
In some preferred embodiment of the present utility model, pad 11 is arranged on inner core plates 3 both sides, on the square steel pipe 8 above or below being welded on.
Optionally, two adjacent square steel pipes 8 are welded to connect by bar 9.
It should be noted that, wherein square steel pipe 8 also can adopt the steel pipe of other shapes, and the quantity of square steel pipe is also not limited to four, and material does not also limit steel, as long as can to the structure having bent effect of contraction of inner core plates 3 all at protection domain of the present utility model.
As preferred embodiment, adopt four steel pipes as external constraint unit, not only effectively can prevent inner core plates generation flexing, and the axial rigidity of external constraint unit can be improved.Because external constraint unit will be composed in series total resetting system with back-moving spring component, if so the axial rigidity of external constraint unit is larger, the rigidity of resetting system is larger, and the effect of Self-resetting is better.
In some preferred embodiment of the present utility model, in the upper linkage section that described 3rd junction plate and dividing plate are fixed on inner core plates or lower linkage section.Because upper linkage section or lower linkage section size relatively large, convenient place back-moving spring component.In embodiment shown in Fig. 2, described 3rd junction plate 5 and dividing plate 2 are fixed in lower linkage section 305, and described second junction plate 7 is also arranged in lower linkage section 305.
Be to be understood that, although this manual is described according to embodiment, but not each embodiment only comprises an independently technical scheme, this narrating mode of manual is only for clarity sake, those skilled in the art should by manual integrally, technical scheme in each embodiment also through appropriately combined, can form other embodiments that it will be appreciated by those skilled in the art that.A series of detailed description listed is above only illustrating for possible embodiments of the present utility model; they are also not used to limit protection domain of the present utility model, all do not depart from the utility model skill Equivalent embodiments of doing of spirit or change all should be included within protection domain of the present utility model.

Claims (8)

1. a spring Self-reset anti-flexure support device, it is characterized in that, described device comprises inner core plates, for retraining the diastrophic external constraint unit of inner core plates and the back-moving spring component for the stretching that recovers inner core plates or compressive strain, described inner core plates both sides are provided with the linkage connecting exterior building structure;
Described external constraint unit comprises superposed upper constraint element and is positioned at the lower constraint element of bottom, gap is left between described upper constraint element and lower constraint element, described inner core plates is arranged in described gap, described external constraint unit has two ends, wherein one end is fixed in inner core plates by the first junction plate, and the other end is connected with back-moving spring component by the second junction plate;
Described back-moving spring component comprises the 3rd junction plate, dividing plate and some guide pegs, described second junction plate, 3rd junction plate and dividing plate include upper plate and lower plate, described 3rd junction plate upper plate and the 3rd junction plate lower plate are individually fixed in the upper of inner core plates same position, soffit, described dividing plate upper plate and dividing plate lower plate are individually fixed in the upper of inner core plates same position, soffit, described second junction plate upper plate is fixed on one end of constraint element, one end of constraint element under being fixed on that described second junction plate lower plate is corresponding, gap is left between described second junction plate upper plate and the second junction plate lower plate, described inner core plates is through described gap, described dividing plate is provided with some perforates, described some guide pegs are through described perforate, two ends are separately fixed on the 3rd junction plate and the second junction plate, part on described guide peg between the second junction plate and dividing plate and between dividing plate and the 3rd junction plate is all overlapped and is had spring, described spring is in the state without external force in original state.
2. spring Self-reset anti-flexure support device according to claim 1, it is characterized in that, both ends of the spring between described second junction plate and dividing plate is separately fixed on the second junction plate and dividing plate, and the both ends of the spring between described dividing plate and the 3rd junction plate is separately fixed on dividing plate and the 3rd junction plate.
3. spring Self-reset anti-flexure support device according to claim 1 and 2, is characterized in that, described inner core plates arranged on left and right sides is respectively provided with some cushion blocks, and described cushion block is fixed on constraint element or lower constraint element.
4. spring Self-reset anti-flexure support device according to claim 1 and 2, it is characterized in that, described inner core plates comprises linkage section, lower linkage section, upper strengthening segment and lower strengthening segment and surrender section, from described upper linkage section to upper strengthening segment to surrender section, cross sectional area diminishes gradually, from described lower linkage section to lower strengthening segment to surrender section, cross sectional area diminishes gradually.
5. spring Self-reset anti-flexure support device according to claim 1 and 2, it is characterized in that, described external constraint unit comprises four square steel pipes, described upper constraint element and lower constraint element form by the square steel pipe of left and right placement arranged side by side, are fixedly connected with between every two steel pipes of described four square steel pipes.
6. spring Self-reset anti-flexure support device according to claim 1 and 2, it is characterized in that, described guide peg has four, dividing plate upper plate and dividing plate lower plate are respectively provided with two perforates, two guide pegs are fixed on the 3rd junction plate upper plate through perforate one end of dividing plate upper plate, the other end is fixed on the second junction plate upper plate, and another two guide pegs are fixed in the 3rd junction plate lower plate through perforate one end of dividing plate lower plate, and the other end is fixed in the second junction plate lower plate.
7. spring Self-reset anti-flexure support device according to claim 4, is characterized in that, in the upper linkage section that described 3rd junction plate and dividing plate are fixed on inner core plates or lower linkage section.
8. spring Self-reset anti-flexure support device according to claim 1 and 2, is characterized in that, described spring is compression spring.
CN201520411522.0U 2015-06-15 2015-06-15 Spring is from restoring to throne buckling restrained brace device Withdrawn - After Issue CN204753877U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520411522.0U CN204753877U (en) 2015-06-15 2015-06-15 Spring is from restoring to throne buckling restrained brace device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520411522.0U CN204753877U (en) 2015-06-15 2015-06-15 Spring is from restoring to throne buckling restrained brace device

Publications (1)

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CN204753877U true CN204753877U (en) 2015-11-11

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CN201520411522.0U Withdrawn - After Issue CN204753877U (en) 2015-06-15 2015-06-15 Spring is from restoring to throne buckling restrained brace device

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104929265A (en) * 2015-06-15 2015-09-23 王涛 Spring type self-reset anti-buckling supporting device
CN104947826A (en) * 2015-06-15 2015-09-30 王涛 Self-reset buckling-restrained brace device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104929265A (en) * 2015-06-15 2015-09-23 王涛 Spring type self-reset anti-buckling supporting device
CN104947826A (en) * 2015-06-15 2015-09-30 王涛 Self-reset buckling-restrained brace device

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