CN105155709A - Repair-free self-resetting friction energy-consuming support - Google Patents
Repair-free self-resetting friction energy-consuming support Download PDFInfo
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- CN105155709A CN105155709A CN201510478238.XA CN201510478238A CN105155709A CN 105155709 A CN105155709 A CN 105155709A CN 201510478238 A CN201510478238 A CN 201510478238A CN 105155709 A CN105155709 A CN 105155709A
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Abstract
The invention relates to the technical field of frame and support structures, in particular to a repair-free self-resetting friction energy-consuming support. By the repair-free self-resetting friction energy-consuming support, earthquake inputting energy can be consumed by friction between a first friction plate and a second friction plate in a friction energy-consuming mechanism when an earthquake happens, earthquake response of a main body structure is reduced, after earthquake action, the support can recover to an initial state under the effect of a self-resetting mechanism, and residual deformation of the whole structure is reduced and even eliminated. Moreover, compared with the existing self-resetting support, the repair-free self-resetting friction energy-consuming support can still guarantee stable friction energy consumption under repeated reciprocating action, can still be used after the earthquake, and does not need to be repaired after the earthquake. In addition, the repair-free self-resetting friction energy-consuming support is simple in structure and convenient to mount; a construction technology is simplified greatly; and requirements of architectural industrialization are met.
Description
Technical field
The present invention relates to frame-brace structure technical field, particularly relate to one and be excused from a college course multiple Self-resetting friction damped braced.
Background technology
Current frame-brace structure system applies one of maximum structural system in high-rise steel structure, and under geological process, bracing members assume responsibility for most of horizontal shear, reduces integrally-built horizontal movement.But in traditional central support structure system, easily whole and part flexing is there is in common support under tension and compression reciprocating, its brittle fracture is caused finally to have a strong impact on integrally-built anti-seismic performance, in traditional eccentrically braces structure system, active beam link plastic strain is comparatively large, and when repairing after shake, difficulty is very big.In order to solve the problem existing for above two kinds of support systems, scholars propose buckling-restrained energy-dissipation.It is that a kind of common support that has concurrently increases the effect of structural entity rigidity and the energy dissipation brace of mild steel damper dual-use function, achieve total cross-section surrender and component flexing does not occur, can be dissipated inputting seismic energy effectively, reduce the earthquake response of agent structure, thus avoid the destruction of agent structure or collapse.
But after large shake effect, comparatively greatly, corresponding overall structure permanent set is also comparatively large, needs integral replacing when repairing after shake, and reparation difficulty is large and cost is higher for the permanent set of anti-buckling support.Therefore, there has been proposed self reset curvature-prevention and support, its basic comprising comprises peripheral constraint component, kernel mechanism, Self-resetting mechanism and energy consuming mechanism, wherein Self-resetting mechanism is generally made up of memorial alloy or prestressed draw-bar, and energy consuming mechanism then mainly contains friction energy-dissipating and mild-steel energy-consumption two kinds.Under geological process, self reset curvature-prevention supports can provide the anti-side rigidity of structure to dissipate again seismic energy, after geological process, returns to original state under being supported on the effect of Self-resetting mechanism, and then reduces the permanent set of total.
Although existing self reset curvature-prevention supports the object achieving and reduce the rear permanent set of shake, but existing Self-resetting friction damped braced also also exists complex structure, the problem of the loaded down with trivial details and wayward precision of assembled process, be unfavorable for the demand adapting to architectural industrialization, after the shake of existing self reset curvature-prevention support simultaneously, repair difficulty still could not reduce, still need to change whole support, inconvenience of not only constructing, and rehabilitation cost is also higher.
Summary of the invention
(1) technical problem that will solve
The technical problem to be solved in the present invention is: need change whole support when repairing after traditional Self-resetting is supported on shake, the large cost of work difficulty is high, and complex structure, assembled process is loaded down with trivial details is not easy control accuracy, need to provide for this reason a kind of structure simple, assembled easily and can return to original state after middle shake or large shake be excused from a college course multiple Self-resetting friction damped braced, normal functional performance can be recovered without the need to repairing after making this be supported on shake.
(2) technical scheme
In order to solve the problems of the technologies described above, the invention provides one and be excused from a college course multiple Self-resetting friction damped braced, comprise outside steel pipe, be arranged on the kernel mechanism of outside steel pipe inside, friction energy-dissipating mechanism and Self-resetting mechanism, the first friction plate that described friction energy-dissipating mechanism comprises the second friction plate and is connected with outside steel pipe tube wall outside wall surface, described first friction plate also fits with outside steel pipe tube wall and the second friction plate respectively between outside steel pipe tube wall and the second friction plate; Described kernel mechanism can slide under the effect of external tensile force or pressure in described outside steel pipe, and described kernel mechanism can drive the second friction plate to slide relative to the first friction plate; Described Self-resetting mechanism is used for resetting to the kernel mechanism be shifted under external tensile force or pressure effect.
Wherein, described outside steel pipe is the straight-tube shape of both ends open, and described outside steel pipe cross sectional shape is rectangle.
Wherein, described kernel mechanism comprises H profile steel and cross sectional shape is criss-cross junction plate, the rear end of described H profile steel is concordant with the rear end of described outside steel pipe, the front end of described H profile steel is fixedly connected with described junction plate by leading lotus plate, described cross sectional shape of leading lotus plate is rectangle, described H profile steel and described lotus plate of leading are positioned at described outside steel pipe, and described in lead lotus plate concordant with the front end of described outside steel pipe with the contact surface of described junction plate; The web of described H profile steel front end is provided with stiffening rib, and described stiffening rib includes two pieces and is symmetrically set in the both sides of described web; Be provided with supporting steel plate between upper and lower two blocks of frange plates of described H profile steel, described supporting steel plate is positioned at the middle part of described H profile steel.
Wherein, described supporting steel plate is provided with two pieces, and two pieces of described supporting steel plates are symmetricly set on the both sides of described web and are connected with described web.
Wherein, described Self-resetting mechanism comprises the front end-plate being fastened on outside steel pipe front end, the end plate being fastened on outside steel pipe rear end and prestressed cable, front end-plate, end plate and kernel mechanism are connected by described prestressed cable, described front end-plate are also provided with the cross-shaped aperture matched with described junction plate.
Wherein, described front end-plate is provided with two pieces of described second friction plates, and two pieces of described second friction plates are all perpendicular with described front end-plate, and are symmetrically set in the both sides of front end-plate; Described end plate is provided with two pieces of described second friction plates, and two pieces of described second friction plates are all perpendicular with described end plate, and are symmetrically set in the both sides of end plate.
Wherein, described first friction plate and be provided with the first friction plate outside steel pipe tube wall on offer measure-alike circular pilot hole, described second friction plate offers elongate holes, the width of described elongate holes is identical with the diameter of the described pilot hole of circle, and described first friction plate, the second friction plate are connected with described outside steel pipe by bolt.
Wherein, described front end-plate is also vertically provided with assembling spacing plate, described assembling spacing plate and described second friction plate are positioned at the same side of front end-plate,
Wherein, the tube wall at two ends, described outside steel pipe left and right is also provided with construction technology hole.
Wherein, described first friction plate is brass sheet, and the second friction plate is channel-section steel plate.
(3) beneficial effect
Technique scheme tool of the present invention has the following advantages: the invention provides a kind of Self-resetting mild steel energy dissipation support, comprise outside steel pipe, be arranged on the kernel mechanism of outside steel pipe inside, friction energy-dissipating mechanism and Self-resetting mechanism, inputting seismic energy is consumed by the friction between the first friction plate in friction energy-dissipating mechanism and the second friction plate when there is earthquake, and reduce the earthquake response of agent structure, simultaneously after geological process, support can return to original state under the effect of Self-resetting mechanism, and then reduce the permanent set even eliminating total, in addition, compared with supporting with existing Self-resetting, when carrying out post earthquake recovery work, under the effect of Self-resetting mechanism, whole support returns to original state, and meanwhile, this support still can ensure the ability of stable friction energy-dissipating under having repeatedly reciprocating, therefore still can recovering to use after shake, achieving the object without the need to repairing after shake, in addition, what the application provided be excused from a college course resetting means that existing self reset curvature-prevention supports by multiple Self-resetting friction damped braced and energy-dissipating device combine, and structure is simple, easy for installation, enormously simplify construction technology, is beneficial to the demand meeting architectural industrialization.
Accompanying drawing explanation
The advantage of the above-mentioned and/or additional aspect of the present invention will become obvious and easy understand from accompanying drawing below combining to the description of embodiment, wherein:
Fig. 1 is the structural representation of being excused from a college course multiple Self-resetting friction damped braced in the embodiment of the present invention;
Fig. 2 is the lateral view of being excused from a college course multiple Self-resetting friction damped braced in the embodiment of the present invention;
Fig. 3 be excused from a college course multiple Self-resetting friction damped braced in the embodiment of the present invention A-A to sectional view;
Fig. 4 be excused from a college course multiple Self-resetting friction damped braced in the embodiment of the present invention B-B to sectional view;
Fig. 5 is the structural representation of the outside steel pipe of being excused from a college course multiple Self-resetting friction damped braced in the embodiment of the present invention; Fig. 6 is the structural representation of the kernel mechanism of being excused from a college course multiple Self-resetting friction damped braced in the embodiment of the present invention; Fig. 7 is excused from a college course the Self-resetting mechanism of multiple Self-resetting friction damped braced and the disassembly diagram of friction energy-dissipating mechanism in the embodiment of the present invention;
Fig. 8 is the structural representation of being excused from a college course front apron in multiple Self-resetting friction damped braced in the embodiment of the present invention;
Fig. 9 is the structural representation of being excused from a college course backboard in multiple Self-resetting friction damped braced in the embodiment of the present invention;
Figure 10 is excused from a college course multiple Self-resetting friction damped braced opening schematic diagram under a stretching force in the embodiment of the present invention;
Figure 11 is excused from a college course multiple Self-resetting friction damped braced opening schematic diagram under pressure in the embodiment of the present invention.
Corresponding relation wherein in Fig. 1 to Figure 11 between Reference numeral and component names is:
1, T section junction plate, 2, top steel plate, 3, bottom steel plate, 4, left side steel plate, 5, right side steel plate, 6, junction plate, 7, lead lotus plate, 8, stiffening rib, 9, supporting steel plate, 10, frange plate, 11, web, 12, prestressed cable, 13, high-strength bolt, 14, brass sheet, 15, front end-plate, 16, assembling spacing plate, 17, channel-section steel plate, 18, end plate, 19, ground tackle, 20, spacing angle steel, 21, construction technology hole.
Detailed description of the invention
In describing the invention, it should be noted that, term " " center ", " longitudinal direction ", " transverse direction ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end ", " " interior ", orientation or the position relationship of the instruction such as " outward " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance.
In describing the invention, it should be noted that, unless otherwise clearly defined and limited, term " installation ", " being connected ", " connection " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or connect integratedly; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals.For the ordinary skill in the art, concrete condition above-mentioned term concrete meaning in the present invention can be understood.In addition, in describing the invention, except as otherwise noted, the implication of " multiple " is two or more.
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is a part of embodiment of the present invention, instead of whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
As shown in the figure shown in 1 to Fig. 4, the invention provides one and be excused from a college course multiple Self-resetting friction damped braced, comprise outside steel pipe, be arranged on the kernel mechanism of outside steel pipe inside, friction energy-dissipating mechanism and Self-resetting mechanism, the first friction plate that described friction energy-dissipating mechanism comprises the second friction plate and is connected with outside steel pipe tube wall outside wall surface, described first friction plate also fits with outside steel pipe tube wall and the second friction plate respectively between outside steel pipe tube wall and the second friction plate; Described kernel mechanism can slide under the effect of external tensile force or pressure in described outside steel pipe, and described kernel mechanism can drive the second friction plate to slide relative to the first friction plate; Described Self-resetting mechanism is used for resetting to the kernel mechanism be shifted under external tensile force or pressure effect.
Self-resetting friction damped braced provided by the invention, inputting seismic energy is consumed by the friction between the first friction plate in friction energy-dissipating mechanism and the second friction plate when there is earthquake, and reduce the earthquake response of agent structure, simultaneously after geological process, support can return to original state under the effect of Self-resetting mechanism, and then reduces the permanent set even eliminating total; In addition, compared with supporting with existing Self-resetting, when carrying out post earthquake recovery work, under the effect of Self-resetting mechanism, whole support returns to original state, and meanwhile, this support still can ensure the ability of stable friction energy-dissipating under having repeatedly reciprocating, therefore still can recovering to use after shake, achieving the object without the need to repairing after shake; In addition, what the application provided be excused from a college course resetting means that existing self reset curvature-prevention supports by multiple Self-resetting friction damped braced and energy-dissipating device combine, and structure is simple, easy for installation, enormously simplify construction technology, is beneficial to the demand meeting architectural industrialization.
Preferably, as shown in Figure 1 and Figure 5, described outside steel pipe is connected by top steel plate 2, bottom steel plate 3, left side steel plate 4, right side steel plate 5 and forms, it is the straight-tube shape of both ends open, and described outside steel pipe cross sectional shape is rectangle, wherein the top steel plate 2 of outside steel pipe rear end and bottom steel plate 3 are respectively arranged with T section junction plate 1, described T section junction plate 1 by the mode top steel plate 2 that is fixed on described outside steel pipe of welding and bottom steel plate 3, and T section junction plate 1 offers bolt hole so that be connected with building beam column; In described outside steel pipe, four corner points are provided with spacing angle steel 20, and the position by spacing angle steel 20 controls the shift position of kernel mechanism in outside steel pipe.
As shown in Figure 6, described kernel mechanism comprises H profile steel and cross sectional shape is criss-cross junction plate 6, the rear end of described H profile steel is concordant with the rear end of described outside steel pipe, the front end of described H profile steel is fixedly connected with described junction plate 6 by leading lotus plate 7, described cross sectional shape of leading lotus plate 7 is rectangle, described H profile steel and described lotus plate 7 of leading are positioned at described outside steel pipe, and described in lead lotus plate 7 concordant with the front end of described outside steel pipe with the contact surface of described junction plate 6; The web 11 of described H profile steel front end is provided with stiffening rib 8, and described stiffening rib 8 includes two pieces and is symmetrically set in the both sides of described web 11; Be provided with supporting steel plate 9 between upper and lower two blocks of frange plates 10 of described H profile steel, described supporting steel plate 9 is positioned at the middle part of described H profile steel; Particularly, described supporting steel plate 9 is provided with two pieces, and two pieces of described supporting steel plates 9 are symmetricly set on the both sides of described web 11 and are connected with described web 11; Certainly, described supporting steel plate 9 also can be provided with polylith, and as arranged four pieces, four pieces of described supporting steel plates 9 are symmetricly set on the both sides of web 11 between two, and equidistantly distribute on the length direction of outside steel pipe, equally also can play the effect strengthening kernel laser intensity; Be that criss-cross second junction plate 6 is connected with external object (as concrete or building beam column etc.) by cross sectional shape.
Preferably, described first friction plate is brass sheet 14, second friction plate is channel-section steel plate 17, because brass sheet 14 material is softer, the wearing and tearing of friction between channel-section steel plate 17 and brass sheet 14 to two friction plates are less, make to support the use that can circulate, continue, and add the application life of support, and then reduce the probability supporting and damage, reduce maintenance cost; Second friction plate is channel-section steel plate 17 simultaneously, wherein, outside wall surface and first friction plate of channel-section steel plate 17 diapire fit, there is relative sliding, when carrying out the work of friction energy-dissipating, the problem of the outside flexing of steel plain that the structure of channel-section steel plate 17 is caused by frictional force under can avoiding appearing at long-time andfrictional conditions.
Certainly; first friction plate also can be aluminium sheet, carbon fiber friction plate; or NAO friction material (non-asbestos composite fibre friction material), the sheet material etc. that electric arc aluminium spraying after steel plate sandblasting rust cleaning is made; equally also can realize the catabiotic object of phase mutual friction between the first friction plate with the second friction plate; its aim does not depart from design philosophy of the present invention, should belong to protection scope of the present invention.
Further, as shown in Figure 7 to 9, described Self-resetting mechanism comprises the front end-plate 15 being fastened on outside steel pipe front end, the end plate 18 being fastened on outside steel pipe rear end and prestressed cable 12, front end-plate 15, end plate 18 and kernel mechanism are connected by described prestressed cable 12, described front end-plate 15 is also provided with the cross-shaped aperture matched with described junction plate 6, on described front end-plate 15, be provided with two pieces of described second friction plates simultaneously, two pieces of described second friction plates are all perpendicular with described front end-plate 15, and are symmetrically set in the arranged on left and right sides of front end-plate 15; Described end plate 18 is provided with two pieces of described second friction plates, and two pieces of described second friction plates are all perpendicular with described end plate 18, and are symmetrically set in the arranged on left and right sides of end plate 18; Described prestressed cable 12 is fixed on described front end-plate 15 and end plate 18 by ground tackle 19.
As shown in Figure 8, cross-shaped aperture is provided with in the middle of front end-plate 15, front apron is buckled in outside steel pipe front end by the junction plate 6 through the star section of kernel mechanism, connects on the left of channel-section steel plate 17 and steel pipe between steel plate 4 and on the right side of channel-section steel plate 17 and steel pipe between steel plate 5 after each folder one piece of brass sheet 14 with high-strength bolt 13.The one side of end plate 18 is welded two blocks of channel-section steel plates 17 and is formed backboard, is buckled in the rear end of steel pipe; As shown in Figure 9, equally backboard two blocks of channel-section steel plates 17 with respectively press from both sides one piece of brass sheet 14 between steel plate on the left of steel pipe 4 and right side steel plate 5 and is connected with high-strength bolt 13 afterwards.Finally by prestressed cable 12, outside steel pipe, kernel mechanism, Self-resetting mechanism and friction energy-dissipating mechanism are linked into an integrated entity, prestressed cable 12 is fixed on front end-plate 15 and end plate 18 by ground tackle 19, forms a complete Self-resetting and is excused from a college course multiple friction damped braced.
Simultaneously, as shown in Figure 8, described front end-plate 15 is also vertically provided with assembling spacing plate 16, described assembling spacing plate 16 is also provided with two pieces, and being oppositely arranged on the both sides up and down of described front end-plate 15, described assembling spacing plate 16 and described second friction plate are positioned at the same side of front end-plate 15, and such two blocks of assembling spacing plates 16 and two piece of second friction plate form the inner chamber of a rectangle, cross sectional shape is the sectional dimension being dimensioned slightly smaller than this inner chamber of the outside steel pipe of rectangle, so that install; Preferably, distance between two blocks of assembling spacing plates 16 of described front apron equals the distance on steel pipe between lower steel plate external surface or to be greater than on steel pipe within lower steel plate external surface spacing 10mm, to reach assembling spacing effect, the front end of outside steel pipe is stretched in this inner chamber when mounted, simultaneously this outside steel pipe front end with lead lotus plate 7 and fit, carry out spacing by assembling spacing plate 16 and the second friction plate to outside steel pipe.
Wherein, described first friction plate and be provided with the first friction plate outside steel pipe tube wall on offer measure-alike circular pilot hole, described second friction plate offers elongate holes, the width of described elongate holes identical with the diameter of the described pilot hole of circle the diameter of described pilot hole (or slightly larger than), described first friction plate, second friction plate is connected with described outside steel pipe by bolt, bolt can move in elongate holes, because the first friction plate is connected with the outside wall surface of right side steel plate 5 with the left side steel plate 4 of outside steel pipe, and the second junction plate 6 and front end-plate 15 are connected with end plate 18, the second friction plate can be driven to move when kernel mechanism urges front end-plate 15 or end plate 18 move like this, second friction plate is slided relative to the first friction plate, and then consume the extraneous energy imported into, realize the object of power consumption.
Further, as depicted in figs. 1 and 2, the left side steel plate 4 of described outside steel pipe and/or right side steel plate 5 are provided with construction technology hole 21, the aperture in described construction technology hole 21 can meet assembler and extend in outside steel pipe by hand, extend in outside steel pipe so that assembler can be lectured, carry out assigning a work of prestressed cable 12.
Illustrate the preparation method being excused from a college course multiple Self-resetting friction damped braced provided by the invention below:
1) welding procedure step
By channel-section steel plate 17, on assembling spacing plate 16 is fixed on (being fixed by modes such as welding, riveted joints) front end-plate 15; Channel-section steel plate 17 and end plate 18 are fixed on end plate 18; To lead lotus plate 7 one side is that criss-cross junction plate 6 welds together with cross sectional shape, frange plate 10 and the web 11 of another side and H profile steel weld, then stiffening rib 8 and the web 11 of leading lotus plate 7 and H profile steel are welded together, again the frange plate 10 of supporting steel plate 9 and H profile steel and web 11 are welded, form kernel mechanism; T section junction plate 6 and steel pipe are welded formation outside steel pipe.
2) assembling process step
First kernel mechanism is put into outside steel pipe, leading lotus plate 7 with cross sectional shape is that the surface that criss-cross junction plate 6 welds is concordant with outsourcing square steel pipe front edge, then respectively forward and backward baffle plate is buckled in respectively the forward and backward two ends of steel pipe, again brass sheet 14 is inserted between channel-section steel plate 17 and steel pipe, with high-strength bolt 13 through channel-section steel plate 17, the left side steel plate 4 of brass sheet 14 and outside steel pipe and right side steel plate 5 have just been twisted tentatively assembled.
3) final molding
Between front end-plate 15 and end plate 18, outside steel pipe is inner, wears prestressed cable 12 along H profile steel web 11, twists high-strength bolt 13 eventually, form one whole and be excused from a college course multiple Self-resetting friction damped braced after prestressed cable 12 Shi Hanzhang.
Carry out assembled formation by said method and be excused from a college course multiple Self-resetting friction damped braced, packaging technology is very convenient, easy for installation, enormously simplify construction technology, is beneficial to the demand meeting architectural industrialization.
The multiple Self-resetting friction damped braced of being excused from a college course of patent of the present invention is connected with building beam column with T section junction plate 6 by star section junction plate 6, it is on criss-cross junction plate 6 and T section junction plate 6 that external load acts directly on cross sectional shape, pulling force makes kernel portion back down front apron and outside steel pipe front end face is thrown off (as shown in Figure 10), pressure makes kernel portion back down backboard and outside steel pipe rear end face is thrown off (as shown in figure 11), channel-section steel plate 17 produces with brass sheet 14 and slides and then friction energy-dissipating under tension and compression effect, make to support other parts not to be damaged.Front apron or backboard are retracted initial position under being supported on the effect of prestressed cable 12, realize the object of Self-resetting after disappearing by external load.The character that frictional force between channel-section steel plate 17 and brass sheet 14 is still comparatively stable after showing to have repeatedly reciprocating after deliberation, so still can continue to use without the need to repairing after shake.
In sum, the invention provides a kind of Self-resetting mild steel energy dissipation support, comprise outside steel pipe, be arranged on the kernel mechanism of outside steel pipe inside, friction energy-dissipating mechanism and Self-resetting mechanism, inputting seismic energy is consumed by the friction between the first friction plate in friction energy-dissipating mechanism and the second friction plate when there is earthquake, and reduce the earthquake response of agent structure, simultaneously after geological process, support can return to original state under the effect of Self-resetting mechanism, and then reduces the permanent set even eliminating total; In addition, compared with supporting with existing Self-resetting, when carrying out post earthquake recovery work, under the effect of Self-resetting mechanism, whole support returns to original state, and meanwhile, this support still can ensure the ability of stable friction energy-dissipating under having repeatedly reciprocating, therefore still can recovering to use after shake, achieving the object without the need to repairing after shake; In addition, what the application provided be excused from a college course resetting means that existing self reset curvature-prevention supports by multiple Self-resetting friction damped braced and energy-dissipating device combine, and structure is simple, easy for installation, enormously simplify construction technology, is beneficial to the demand meeting architectural industrialization.
Last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention, be not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. be excused from a college course multiple Self-resetting friction damped braced for one kind, it is characterized in that: comprise outside steel pipe, be arranged on the kernel mechanism of outside steel pipe inside, friction energy-dissipating mechanism and Self-resetting mechanism, the first friction plate that described friction energy-dissipating mechanism comprises the second friction plate and is connected with outside steel pipe tube wall outside wall surface, described first friction plate also fits with outside steel pipe tube wall and the second friction plate respectively between outside steel pipe tube wall and the second friction plate; Described kernel mechanism can slide under the effect of external tensile force or pressure in described outside steel pipe, and described kernel mechanism can drive the second friction plate to slide relative to the first friction plate; Described Self-resetting mechanism is used for resetting to the kernel mechanism be shifted under external tensile force or pressure effect.
2. be according to claim 1ly excused from a college course multiple Self-resetting friction damped braced, it is characterized in that: described outside steel pipe is the straight-tube shape of both ends open, and described outside steel pipe cross sectional shape be rectangle.
3. be according to claim 2ly excused from a college course multiple Self-resetting friction damped braced, it is characterized in that: described kernel mechanism comprises H profile steel and cross sectional shape is criss-cross junction plate (6), the rear end of described H profile steel is concordant with the rear end of described outside steel pipe, the front end of described H profile steel is fixedly connected with described junction plate (6) by leading lotus plate (7), described cross sectional shape of leading lotus plate (7) is rectangle, described H profile steel and described lotus plate (7) of leading are positioned at described outside steel pipe, and described in lead lotus plate (7) concordant with the front end of described outside steel pipe with the contact surface of described junction plate (6), the web (11) of described H profile steel front end is provided with stiffening rib (8), and described stiffening rib (8) includes two pieces and is symmetrically set in the both sides of described web (11), be provided with supporting steel plate (9) between upper and lower two pieces of frange plates (10) of described H profile steel, described supporting steel plate (9) is positioned at the middle part of described H profile steel.
4. be according to claim 3ly excused from a college course multiple Self-resetting friction damped braced, it is characterized in that: described supporting steel plate (9) is provided with two pieces, two pieces of described supporting steel plates (9) are symmetricly set on the both sides of described web (11) and are connected with described web (11).
5. be according to claim 4ly excused from a college course multiple Self-resetting friction damped braced, it is characterized in that: described Self-resetting mechanism comprises the front end-plate (15) being fastened on outside steel pipe front end, the end plate (18) being fastened on outside steel pipe rear end and prestressed cable (12), front end-plate (15), end plate (18) and kernel mechanism are connected by described prestressed cable (12), described front end-plate (15) are also provided with the cross-shaped aperture matched with described junction plate (6).
6. be according to claim 5ly excused from a college course multiple Self-resetting friction damped braced, it is characterized in that: described front end-plate (15) is provided with two pieces of described second friction plates, two pieces of described second friction plates are all perpendicular with described front end-plate (15), and are symmetrically set in the both sides of front end-plate (15); Described end plate (18) is also provided with two pieces of described second friction plates, two pieces of described second friction plates are all perpendicular with described end plate (18), and are symmetrically set in the both sides of end plate (18).
7. be according to claim 6ly excused from a college course multiple Self-resetting friction damped braced, it is characterized in that: described first friction plate and be provided with the first friction plate outside steel pipe tube wall on offer measure-alike circular pilot hole, described second friction plate offers elongate holes, the width of described elongate holes is identical with the diameter of the described pilot hole of circle, and described first friction plate, the second friction plate are connected with described outside steel pipe by bolt (13).
8. be according to claim 7ly excused from a college course multiple Self-resetting friction damped braced, it is characterized in that: described front end-plate (15) is also vertically provided with assembling spacing plate (16), described assembling spacing plate (16) and described second friction plate are positioned at the same side of front end-plate (15).
9. Self-resetting mild steel energy dissipation support according to claim 8, is characterized in that: the tube wall at two ends, described outside steel pipe left and right is also provided with construction technology hole (21).
10. according to any one of claim 1-9, be excused from a college course multiple Self-resetting friction damped braced, it is characterized in that: described first friction plate is brass sheet (14), the second friction plate is channel-section steel plate (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510478238.XA CN105155709B (en) | 2015-08-06 | 2015-08-06 | One kind is excused from a college course multiple Self-resetting friction damped braced |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510478238.XA CN105155709B (en) | 2015-08-06 | 2015-08-06 | One kind is excused from a college course multiple Self-resetting friction damped braced |
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| Publication Number | Publication Date |
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| CN105155709A true CN105155709A (en) | 2015-12-16 |
| CN105155709B CN105155709B (en) | 2017-11-17 |
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| CN201510478238.XA Active CN105155709B (en) | 2015-08-06 | 2015-08-06 | One kind is excused from a college course multiple Self-resetting friction damped braced |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812366A (en) * | 2017-03-05 | 2017-06-09 | 北京工业大学 | A kind of assembled Self-resetting energy dissipation brace structure |
| CN109610667A (en) * | 2018-12-13 | 2019-04-12 | 大连理工大学 | A kind of truss node plate type energy absorption brace |
| CN109653395A (en) * | 2019-01-29 | 2019-04-19 | 同济大学 | Two stages performance objective Self-resetting friction-type energy dissipation brace |
| CN109853772A (en) * | 2019-04-09 | 2019-06-07 | 安徽理工大学 | A kind of Self-resetting mild steel damper |
| WO2019223294A1 (en) * | 2018-05-22 | 2019-11-28 | 扬州大学 | Novel shock absorption self-resetting energy-consuming inhaul cable supporting device |
| CN110685484A (en) * | 2019-09-05 | 2020-01-14 | 同济大学 | Viscoelastic self-resetting support |
| CN113123475A (en) * | 2021-03-09 | 2021-07-16 | 河北工业大学 | All-steel friction energy-consumption buckling-restrained energy-consumption supporting structure and construction method |
| CN113982343A (en) * | 2021-08-13 | 2022-01-28 | 重庆大学 | Novel assembled area SMA is from restoring to throne bucking restraint support device |
| CN114922055A (en) * | 2022-05-19 | 2022-08-19 | 浙大城市学院 | Limiting energy dissipation damping device based on mortise and tenon constraint and construction and installation method |
| CN115787927A (en) * | 2023-02-09 | 2023-03-14 | 福建省中霖工程建设有限公司 | Assembled buckling-restrained multi-step energy consumption self-resetting column base structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106812366A (en) * | 2017-03-05 | 2017-06-09 | 北京工业大学 | A kind of assembled Self-resetting energy dissipation brace structure |
| WO2019223294A1 (en) * | 2018-05-22 | 2019-11-28 | 扬州大学 | Novel shock absorption self-resetting energy-consuming inhaul cable supporting device |
| CN109610667A (en) * | 2018-12-13 | 2019-04-12 | 大连理工大学 | A kind of truss node plate type energy absorption brace |
| CN109653395A (en) * | 2019-01-29 | 2019-04-19 | 同济大学 | Two stages performance objective Self-resetting friction-type energy dissipation brace |
| CN109853772B (en) * | 2019-04-09 | 2023-09-22 | 安徽理工大学 | Self-resetting mild steel damper |
| CN109853772A (en) * | 2019-04-09 | 2019-06-07 | 安徽理工大学 | A kind of Self-resetting mild steel damper |
| CN110685484A (en) * | 2019-09-05 | 2020-01-14 | 同济大学 | Viscoelastic self-resetting support |
| CN113123475A (en) * | 2021-03-09 | 2021-07-16 | 河北工业大学 | All-steel friction energy-consumption buckling-restrained energy-consumption supporting structure and construction method |
| CN113982343A (en) * | 2021-08-13 | 2022-01-28 | 重庆大学 | Novel assembled area SMA is from restoring to throne bucking restraint support device |
| CN113982343B (en) * | 2021-08-13 | 2024-05-24 | 重庆大学 | Novel assembled take SMA to reset buckling restrained brace device |
| CN114922055A (en) * | 2022-05-19 | 2022-08-19 | 浙大城市学院 | Limiting energy dissipation damping device based on mortise and tenon constraint and construction and installation method |
| CN114922055B (en) * | 2022-05-19 | 2023-08-22 | 浙大城市学院 | Limiting energy consumption damping device based on mortise and tenon constraint and construction and installation method |
| CN115787927A (en) * | 2023-02-09 | 2023-03-14 | 福建省中霖工程建设有限公司 | Assembled buckling-restrained multi-step energy consumption self-resetting column base structure |
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