CN213897639U - Cold-formed thin-walled section steel bearing wall body structure with shock resistance - Google Patents
Cold-formed thin-walled section steel bearing wall body structure with shock resistance Download PDFInfo
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- CN213897639U CN213897639U CN202022188559.5U CN202022188559U CN213897639U CN 213897639 U CN213897639 U CN 213897639U CN 202022188559 U CN202022188559 U CN 202022188559U CN 213897639 U CN213897639 U CN 213897639U
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 53
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- 230000035939 shock Effects 0.000 title claims abstract description 14
- 229910001285 shape-memory alloy Inorganic materials 0.000 claims description 8
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Abstract
The utility model relates to a cold-formed thin wall shaped steel bearing wall body structure with shock resistance, by installing the cold-formed thin wall steel wall body on ground basis, and arrange and constitute from restoring to the side support between cold-formed thin wall steel wall body and ground basis, from restoring to the side support including first even board, the second links the board, the clutch blocks, the friction plate, pretension bolt spare, wherein, first even board and second link board articulate cold-formed thin wall steel wall body and ground basis respectively, the friction block sets up in groups in first even board and the correspondence of second even board with one side, set up a friction plate respectively in the both sides of same friction block of organizing, and the friction plate that is located the friction block both sides still connects through pretension bolt spare, make two friction plates press from both sides tight the both sides surface of friction block still is equipped with reset spring group between first even board and second even board. Compared with the prior art, the utility model discloses have excellent from the energy consumption ability that restores to the throne, but the earthquake response of reduction structure avoids producing phenomenons such as heeling.
Description
Technical Field
The utility model belongs to the technical field of the steel construction wall body, a cold-formed thin wall shaped steel bearing wall body structure with shock resistance is related to.
Background
The development of the steel structure housing industry is the need of building a resource-saving and environment-friendly society, meets the need of housing construction characteristics in China, and more meets the policy of the steel industry in China. Especially for areas in earthquake active zones, compared with conventional houses, steel structure houses have outstanding superiority in earthquake resistance.
However, although the existing steel structure load-bearing wall has high structural strength and strong earthquake deformation resistance, the existing steel structure load-bearing wall still has a place to be improved in earthquake resistance, particularly a rigid structure of the steel structure load-bearing wall, and due to the fact that the rigid structure of the steel structure load-bearing wall is lack of self-resetting supporting energy dissipation capability, earthquake response of the structure can be amplified, and therefore the phenomenon of side inclination and the like is generated. In order to solve the above problems, energy dissipation structures such as metal dampers are usually arranged between the steel load-bearing wall body and the ground foundation, but the energy dissipation structures such as metal dampers generate large plastic deformation under the action of an earthquake, so that not only is the energy dissipation capacity weakened, but also the self-resetting capacity of the energy dissipation structures is difficult to ensure.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a cold-formed thin wall shaped steel bearing wall body structure with shock resistance to improve the shock resistance of cold-formed thin wall shaped steel bearing wall body structure from restoring to the throne ability.
The purpose of the utility model can be realized through the following technical scheme:
the self-resetting side-resisting support comprises a first connecting plate, a second connecting plate, friction blocks, friction plates and a pre-tightening bolt piece, wherein the first connecting plate and the second connecting plate are respectively hinged with the cold-bending thin-wall steel wall body and the ground foundation, the friction blocks are arranged on the same corresponding side of the first connecting plate and the second connecting plate in groups, the two sides of the same group of friction blocks are respectively provided with one friction plate, the friction plates on the two sides of the friction blocks are connected through the pre-tightening bolt piece, so that the two friction plates clamp the two side surfaces of the friction blocks, and a resetting spring group is arranged between the first connecting plate and the second connecting plate.
Furthermore, the friction blocks are provided with two groups and are respectively arranged on two sides of the first connecting plate and the second connecting plate correspondingly.
Furthermore, a through axial sliding groove is formed in the middle of the friction block, a connecting through hole with two through sides is formed in the outer friction plate, and the pre-tightening bolt penetrates through the connecting through hole and the axial sliding groove, so that the friction block and the friction plate are in friction contact in a pressed state.
Further, the bilateral symmetry of the both sides surface of clutch blocks, and along axial spout direction, any side surface of clutch blocks all includes the plane bulge section that is located the intermediate position to and be located the slope section of plane bulge section both sides, slope section and the smooth transitional coupling of plane bulge section.
Furthermore, the plane convex section is convex along the direction vertical to the surface of the friction block.
Furthermore, the pre-tightening bolt piece consists of a shape memory alloy screw rod and pre-tightening nuts which are fixed at two ends of the shape memory alloy screw rod in a threaded mode.
Furthermore, the reset spring group consists of a plurality of extension springs, and two ends of each extension spring are respectively connected with the first connecting plate and the second connecting plate.
Furthermore, the first connecting plate and the first connecting plate are connected with the cold-formed thin-walled steel wall body and the ground foundation through spherical hinges respectively.
Furthermore, the friction blocks are respectively welded and fixed with the first connecting plate and the second connecting plate.
Furthermore, a positioning telescopic structure is arranged between the first connecting plate and the second connecting plate.
Compared with the prior art, the utility model has the advantages of it is following:
(1) through the friction energy dissipation structure that adopts composition such as clutch blocks, friction plate and pretension bolt, can effectual improvement be from the energy consumption ability of counterpoint anti collateral branch support to the wall body, simultaneously, because the special profile design of clutch blocks for in certain extent (through the length design of axial spout, can design for in the slip stroke scope), when clutch blocks and friction plate take place the displacement, under the effect of the clamping force of pretension bolt crescent, produce from the reset effect. Meanwhile, the whole friction energy consumption process also has the effect that the friction force and the self-resetting force are larger along with the larger offset, so that the earthquake-resistant effect of the wall structure can be greatly improved, and the structural response of the wall structure is reduced.
(2) The first connecting plate and the second connecting plate are connected with the ground foundation and the wall body through the spherical hinges, so that when the wall body is under the action of an earthquake and the like, acting force between the cold-bending thin-wall steel wall body and the ground foundation is converted into the direction along the self-resetting anti-side supporting direction through the micro rotation of the spherical hinges, and the realization of the whole self-resetting capability is ensured.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a self-resetting anti-lateral buttress;
FIG. 3 is a schematic view of a connecting portion of a friction plate and a friction block;
FIG. 4 is a schematic view of a friction block;
the notation in the figure is:
the method comprises the following steps of 1-cold-formed thin-walled steel wall body, 2-ground foundation, 3-self-resetting anti-side support, 31-first connecting plate, 32-second connecting plate, 33-friction block, 331-plane convex section, 332-inclined section, 34-friction plate, 35-pre-tightening bolt piece, 36-axial sliding groove, 37-resetting spring set and 38-positioning telescopic structure.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the scope of the present invention is not limited to the following embodiments.
In the following embodiments or examples, functional components or structures that are not specifically described are all conventional components or structures used in the art to achieve the corresponding functions.
The utility model provides a cold-formed thin-walled steel bearing wall body structure with shock resistance, please refer to fig. 1-2, by installing cold-formed thin-walled steel wall body 1 on ground basis 2, and arrange 3 components from restoring to the throne between cold-formed thin-walled steel wall body 1 and ground basis 2 and resist the side support, the self-restoring resist the side support 3 including first even board 31, second even board 32, friction block 33, friction plate 34, pretension bolt spare 35, wherein, first even board 31 and second even board 32 articulate cold-formed thin-walled steel wall body 1 and ground basis 2 respectively, friction block 33 set up in groups in first even board 31 and second even board 32 correspond same one side, set up a pretension board 34 respectively in the both sides of same group of friction block 33, and lie in friction block 33 both sides friction plate 34 still through bolt spare 35 connection for two friction plates 34 press from both sides tightly the both sides surface of friction block 33, a return spring group 37 is also provided between the first link plate 31 and the second link plate 32.
In a specific embodiment, referring to fig. 2 again, the friction blocks 33 are provided with two sets, and are respectively disposed on two sides of the first connecting plate 31 and the second connecting plate 32.
In a specific embodiment, please refer to fig. 4 again, a through axial sliding slot 36 is further disposed in the middle of the friction block 33, a connecting through hole is further disposed on the outer friction plate 34, and the pre-tightening bolt 35 passes through the connecting through hole and the axial sliding slot 36, so that the friction block 33 and the friction plate 34 are in friction contact in a pressed state.
In a specific embodiment, please refer to fig. 3 and 4 again, the two side surfaces of the friction block 33 are symmetrical left and right, and along the axial sliding slot 36, any side surface of the friction block 33 includes a plane convex section 331 at the middle position, and inclined sections 332 at the two sides of the plane convex section 331, and the inclined sections 332 are in smooth transition connection with the plane convex section 331.
Further, the plane protrusion 331 protrudes in a direction perpendicular to the surface of the friction block 33.
In a specific embodiment, the pre-tightening bolt member 35 is composed of a shape memory alloy screw and pre-tightening nuts screwed on both ends of the shape memory alloy screw.
In a specific embodiment, referring to fig. 1 and fig. 2 again, the return spring set 37 is composed of a plurality of extension springs, and two ends of each extension spring are respectively connected to the first connecting plate 31 and the second connecting plate 32.
In a specific embodiment, the first connecting plate 31 and the first connecting plate 31 are further connected with the cold-formed thin-walled steel wall body 1 and the ground foundation 2 through spherical hinges respectively.
In a specific embodiment, the friction blocks 33 are welded and fixed to the first connecting plate 31 and the second connecting plate 32, respectively.
In a specific embodiment, referring to fig. 1 and fig. 2 again, a positioning telescopic structure 38 is further disposed between the first connecting plate 31 and the second connecting plate 32.
The above embodiments may be implemented individually, or in any combination of two or more.
The above embodiments will be described in more detail with reference to specific examples.
Example 1:
the embodiment provides a cold-formed thin-walled steel load-bearing wall structure with shock resistance, please refer to fig. 1 to 2, which is composed of a cold-formed thin-walled steel wall 1 mounted on a ground foundation 2, and a self-resetting side-resisting support 3 arranged between the cold-formed thin-walled steel wall 1 and the ground foundation 2, wherein the self-resetting side-resisting support 3 includes a first connecting plate 31, a second connecting plate 32, friction blocks 33, friction plates 34, and pre-tightening bolt members 35, wherein the first connecting plate 31 and the second connecting plate 32 are respectively hinged with the cold-formed thin-walled steel wall 1 and the ground foundation 2, the friction blocks 33 are arranged on the same corresponding side of the first connecting plate 31 and the second connecting plate 32 in groups, one friction plate 34 is respectively arranged on both sides of the same group of friction blocks 33, and the friction plates 34 on both sides of the friction blocks 33 are further connected through the pre-tightening bolt members 35, so that the two friction plates 34 clamp both side surfaces of the friction blocks 33, a return spring group 37 is also provided between the first link plate 31 and the second link plate 32.
Referring to fig. 2 again, the friction blocks 33 are provided in two sets and are respectively disposed at two sides of the first connecting plate 31 and the second connecting plate 32.
Referring to fig. 4 again, a through axial sliding slot 36 is further disposed at the middle position of the friction block 33, a connecting through hole is further disposed on the outer friction plate 34, and a pre-tightening bolt 35 penetrates through the connecting through hole and the axial sliding slot 36, so that the friction block 33 and the friction plate 34 are in friction contact in a pressed state.
Referring to fig. 3 and 4 again, the two side surfaces of the friction block 33 are symmetrical left and right, and along the axial sliding slot 36, any side surface of the friction block 33 includes a plane convex section 331 located at the middle position, and inclined sections 332 located at the two sides of the plane convex section 331, and the inclined sections 332 are in smooth transition connection with the plane convex section 331. The plane protrusion section 331 protrudes in a direction perpendicular to the surface of the friction block 33. The pre-tightening bolt 35 is composed of a shape memory alloy screw and pre-tightening nuts screwed at two ends of the shape memory alloy screw.
Referring to fig. 1 and 2 again, the return spring assembly 37 is composed of a plurality of extension springs, and two ends of each extension spring are respectively connected to the first connecting plate 31 and the second connecting plate 32. The first connecting plate 31 and the first connecting plate 31 are further connected with the cold-bending thin-wall steel wall body 1 and the ground foundation 2 through spherical hinges respectively. The friction blocks 33 are welded and fixed to the first connecting plate 31 and the second connecting plate 32, respectively.
Referring to fig. 1 and 2 again, a positioning telescopic structure 38 is further disposed between the first connecting plate 31 and the second connecting plate 32, and a telescopic guide structure commonly used in the art may be adopted, and the telescopic direction of the positioning telescopic structure is parallel to the direction of the axial sliding groove 36, and specifically, a telescopic rod or the like may be adopted.
The specific working principle of this embodiment is as follows:
when the cold-formed thin-walled steel wall 1 is subjected to a toppling tendency caused by earthquake action and the like, the self-resetting side-resisting support 3 on one side of the cold-formed thin-walled steel wall is subjected to a pulling force, the corresponding first connecting plate 31 and the corresponding second connecting plate 32 are separated from each other, at the moment, the friction plate 34 and the friction block 33 consume energy through relative sliding, when the toppling inclination angle of the cold-formed thin-walled steel wall 1 is increased, the displacement amount of the friction plate 34 and the friction block 33 deviating from the balance position is increased, however, due to the inclined contact inclined surface existing between the friction plate 34 and the friction block 33, the two friction plates 34 are also subjected to relative away movement in the direction vertical to the surface of the friction block 33 under the action of the inclined section 332 part of the friction block 33, and further the pre-tightening bolt is gradually stretched from the balance position, so that the pressure applied to the friction plate 34 by the pre-tightening bolt is increased, and the friction force between the friction block 33 and the friction plate 34 is increased, the resulting restoring force also increases, thus resulting in a progressively greater resistance to toppling of the wall.
The self-resetting side-resisting support 3 on the other side of the cold-formed thin-walled steel wall body 1 is under the action of pressure, the corresponding first connecting plate 31 and the second connecting plate 32 are relatively close to each other, at the moment, the friction plates 34 and the friction blocks 33 consume energy through relative sliding, when the tilting angle of the cold-formed thin-walled steel wall body 1 is increased, the displacement amount of the friction plates 34 and the friction blocks 33 deviating from the balance position is increased, and similarly, the two friction plates 34 can also generate relative far movement in the direction perpendicular to the surface of the friction blocks 33 under the action of the tilting sections 332 of the friction blocks 33, so that the pre-tightening bolts are gradually stretched from the balance position, the pressure applied by the pre-tightening bolts to the friction plates 34 is increased, the friction force between the friction blocks 33 and the friction plates 34 is increased, the generated resetting force is also increased, and the capacity of gradually increasing to resist the tilting of the wall body is generated.
Meanwhile, by matching with the structures such as the reset spring group 37 between the first connecting plate 31 and the second connecting plate 32, the resistance effect and the self-reset effect of the cold-bending thin-wall steel wall body 1 to the earthquake can be effectively ensured.
The embodiments described above are intended to facilitate the understanding and use of the invention by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention according to the disclosure of the present invention.
Claims (10)
1. A cold-formed thin-wall steel bearing wall structure with shock resistance is characterized in that the cold-formed thin-wall steel bearing wall structure is composed of a cold-formed thin-wall steel wall body arranged on a ground foundation, and a self-resetting anti-side support arranged between the cold-bending thin-wall steel wall body and the ground foundation, wherein the self-resetting anti-side support comprises a first connecting plate, a second connecting plate, a friction block, a friction plate and a pre-tightening bolt piece, wherein the first connecting plate and the second connecting plate are respectively hinged with the cold-bending thin-wall steel wall body and the ground foundation, the friction blocks are arranged on the same corresponding side of the first connecting plate and the second connecting plate in groups, two friction plates are respectively arranged on two sides of the same group of friction blocks, and the friction plates positioned on the two sides of the friction blocks are also connected through pre-tightening bolts, so that the two friction plates clamp the two side surfaces of the friction block, and a return spring group is arranged between the first connecting plate and the second connecting plate.
2. A cold-formed thin-walled steel load-bearing wall structure with seismic capacity according to claim 1, wherein there are two sets of friction blocks respectively corresponding to the two sides of the first connecting plate and the second connecting plate.
3. The cold-formed thin-walled steel bearing wall structure with the shock resistance according to claim 1, wherein a through axial sliding groove is further formed in the middle of the friction block, a connecting through hole with two through sides is further formed in the outer friction plate, and the pre-tightening bolt passes through the connecting through hole and the axial sliding groove, so that the friction block and the friction plate are in friction contact in a pressed state.
4. The cold-formed thin-walled steel bearing wall structure with shock resistance according to claim 1, wherein the friction block has bilateral symmetry on both side surfaces, and along the axial sliding groove direction, any side surface of the friction block comprises a plane convex section located at the middle position and inclined sections located at both sides of the plane convex section, and the inclined sections are in smooth transition connection with the plane convex section.
5. A cold-formed thin-walled steel load-bearing wall structure having seismic capacity according to claim 4, wherein the planar protruding section protrudes in a direction perpendicular to the surface of the friction block.
6. The cold-formed thin-walled steel load-bearing wall structure with shock resistance of claim 1, wherein the pre-tightening bolt member comprises a shape memory alloy screw rod and pre-tightening nuts screwed on both ends of the shape memory alloy screw rod.
7. The cold-formed thin-walled steel load-bearing wall structure with shock resistance according to claim 1, wherein the return spring set is composed of a plurality of extension springs, and two ends of each extension spring are respectively connected with the first connecting plate and the second connecting plate.
8. The cold-formed thin-walled steel bearing wall structure with shock resistance of claim 1, wherein the first connecting plate and the first connecting plate are further connected with the cold-formed thin-walled steel wall body and a ground foundation through spherical hinges respectively.
9. The cold-formed thin-walled steel load-bearing wall structure with seismic capacity of claim 1, wherein the friction blocks are welded and fixed with the first connecting plate and the second connecting plate respectively.
10. The cold-formed thin-walled steel load-bearing wall structure with seismic capacity of claim 1, wherein a positioning telescopic structure is further arranged between the first connecting plate and the second connecting plate.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022188559.5U CN213897639U (en) | 2020-09-29 | 2020-09-29 | Cold-formed thin-walled section steel bearing wall body structure with shock resistance |
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| CN202022188559.5U CN213897639U (en) | 2020-09-29 | 2020-09-29 | Cold-formed thin-walled section steel bearing wall body structure with shock resistance |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232828A (en) * | 2021-10-12 | 2022-03-25 | 北京工业大学 | Self-resetting friction-changing damper |
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2020
- 2020-09-29 CN CN202022188559.5U patent/CN213897639U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114232828A (en) * | 2021-10-12 | 2022-03-25 | 北京工业大学 | Self-resetting friction-changing damper |
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Address after: 200949 No. 1309 Luo Ning Road, Baoshan District, Shanghai (Baoshan Industrial Park) Patentee after: Shanghai Gangzhijie Technology Group Co.,Ltd. Address before: 200949 No. 1309 Luo Ning Road, Baoshan District, Shanghai (Baoshan Industrial Park) Patentee before: SHANGHAI BESTSTEEL STEEL STRUCTURE BUILDING SYSTEM Co.,Ltd. |
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