CN116290450B - Multi-stage anti-seismic self-resetting support - Google Patents
Multi-stage anti-seismic self-resetting support Download PDFInfo
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- CN116290450B CN116290450B CN202310382556.0A CN202310382556A CN116290450B CN 116290450 B CN116290450 B CN 116290450B CN 202310382556 A CN202310382556 A CN 202310382556A CN 116290450 B CN116290450 B CN 116290450B
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Abstract
The invention discloses a multi-stage anti-seismic self-resetting support, which relates to the technical field of energy dissipation and shock absorption of building structures, and comprises the following components: the connecting force transmission assembly comprises an outer sleeve, a core mandrel, end plates, direct stress steel bars, reserve steel bars and panels, wherein the core mandrel, the end plates, the direct stress steel bars, the reserve steel bars and the panels are arranged in the outer sleeve, the two core shafts are coaxially arranged and are mutually spaced, one end of each core shaft opposite to the other end is provided with one end plate, the panels are sleeved on the core mandrel, the panels on the two core mandrels are connected through the direct stress steel bars, and two ends of the reserve steel bars respectively penetrate through penetrating holes in the two end plates and are sleeved with springs; a friction assembly for connecting the core mandrel with the outer sleeve; and the self-resetting assembly is used for connecting the nuclear mandrel with the friction assembly. The invention adopts the structure form of matching the direct stress steel bars and the reserve steel bars, thereby ensuring that the supporting member has different reflection under the earthquake action of different intensity; the friction component and the self-resetting component are adopted, and the multiple components consume energy simultaneously, so that the sufficient energy consumption capability of the support is ensured.
Description
Technical Field
The invention relates to the technical field of energy dissipation and shock absorption of building structures, in particular to a multi-stage anti-seismic self-resetting support.
Background
Under the action of strong earthquake, the structural members consume energy through plastic deformation capacity, so that obvious residual deformation occurs after the earthquake of the structure, even some buildings can be dismantled due to larger residual deformation, and the control of the residual deformation after the earthquake of the structure is particularly important.
The traditional support members for engineering earthquake resistance are used for enhancing the structural rigidity so as to reduce the interlayer displacement angle and acceleration of the building structure and eliminate or reduce the residual deformation and damage of the reinforced concrete frame structure under the earthquake action. However, after strong earthquake, the supporting member can generate larger unrecoverable deformation, which not only threatens the safety of the building structure, but also causes huge economic cost and repair time cost for the post-earthquake repair of the structure.
The existing self-resetting supporting resetting device usually adopts prestress ribs, shape memory alloy and disc springs to realize resetting. Compared with the prior art, the prestressed tendon material has high performance requirement and high price; the prestress rib anchoring process has high requirements; the anchors often require special designs; and there is an inaccurately measurable prestress loss in practical use. The shape memory alloy has stable resetting capability and certain energy consumption capability, but the shape memory alloy is high in price, so that the cost of the self-resetting support is greatly increased. By adopting the disc spring as a self-resetting system, the pre-compression application process can be greatly simplified, and special anchoring measures are not required.
Therefore, the damping device with the self-resetting function and the multi-stage energy consumption is developed, the support with the strong energy consumption capability and the resetting capability is formed, the damping and reinforcing are carried out by applying the support form in various support structures, the structure system has the strong energy consumption capability, and the damping device has important significance for reducing the residual deformation of the structure and quickly recovering to the normal use state.
Disclosure of Invention
In view of the above, the present invention provides a multi-stage anti-seismic self-resetting support, which aims to solve the problems in the prior art, and make the self-resetting support have good energy consumption capability and self-resetting capability, reduce the interlayer displacement angle and acceleration of the building structure, eliminate or reduce the residual deformation and damage of the reinforced concrete frame structure under the action of an earthquake, and still have a certain self-resetting capability after undergoing multiple earthquakes. Meanwhile, the defects that the whole support needs to be replaced when the traditional self-resetting support is repaired after earthquake, the working difficulty is high, the cost is high, the structure is complex, the precision is not easy to control and the like are overcome.
In order to achieve the above purpose, the present invention adopts the following technical scheme:
a multi-stage shock resistant self-resetting support comprising:
the connecting force transmission assembly comprises an outer sleeve, a core mandrel, end plates, direct stress steel bars, reserve steel bars and panels, wherein the core mandrel, the end plates and the panels are arranged in the outer sleeve, the core mandrel, the end plates and the panels are all provided with two, the two core shafts are coaxially arranged and are mutually spaced, one end of each core shaft opposite to the other end of each core shaft is provided with one end plate, the panels are sleeved on the core mandrel and are close to the end plates, the panels on the two core mandrels are connected through the direct stress steel bars, the end plates are provided with penetrating holes, two ends of the reserve steel bars respectively penetrate through the penetrating holes on the two end plates, and springs are sleeved on the reserve steel bars on the outer sides of the end plates;
the friction assemblies are arranged on each nuclear mandrel and are used for connecting the nuclear mandrels with the outer sleeves;
and the self-resetting assembly is arranged at one end, close to the end plate, of each core mandrel and is used for connecting the core mandrel with the friction assembly.
According to the multi-stage anti-seismic self-resetting support provided by the invention, the friction assembly comprises a friction piece and a friction plate, the friction plate is arranged on the inner side of the outer sleeve, the friction plate is provided with a slotted hole formed along the length direction of the friction plate, the friction piece penetrates through the slotted hole, one end of the friction piece is connected with the core shaft, the other end of the friction piece is connected to a strip-shaped hole formed in the outer sleeve, and the strip-shaped hole is formed along the length direction of the outer sleeve.
According to the multi-stage anti-seismic self-resetting support provided by the invention, the friction piece comprises the first connecting plate and the second connecting plate, the first connecting plate and the second connecting plate form a T-shaped structure, the first connecting plate penetrates through the slotted hole, one end of the first connecting plate, which is positioned outside the friction plate, is connected with the second connecting plate, and the second connecting plate is connected to the strip-shaped hole on the outer sleeve.
According to the multi-stage anti-seismic self-resetting support provided by the invention, the self-resetting assembly comprises disc springs, push plates and baffle plates, wherein two push plates and two baffle plates are arranged and are fixed on the core shaft at intervals, the center of the baffle plate is provided with a through hole, the outer edge of the baffle plate is connected with the friction plate, the push plates are positioned in the through holes, and the disc springs are sleeved on the core shaft between the two push plates.
The multistage anti-seismic self-resetting support provided by the invention further comprises a protection assembly, wherein one end, far away from the end plate, of each nuclear mandrel is provided with the protection assembly, and the protection assembly is used for connecting the friction assembly with the outer sleeve.
According to the multi-stage anti-seismic self-resetting support provided by the invention, the protection component comprises a pressed safety cone, a pulled safety cone and a fulcrum knot, the fulcrum knot is sleeved at one end of the core shaft, which is far away from the end plate, the fulcrum knot is connected with the friction plate, the pressed safety cone and the pulled safety cone are respectively arranged on the core shafts at two sides of the fulcrum knot, the pulled safety cone is positioned at one side of the fulcrum knot, which is close to the end plate, and the distance between the pressed safety cone and the pulled safety cone is larger than the length of the fulcrum knot.
According to the multi-stage anti-seismic self-resetting support provided by the invention, the fulcrum knot comprises a fixed pipe, a protecting pipe, a leg column and a top plate, wherein the fixed pipe is sleeved on the nuclear mandrel, the protecting pipe is sleeved on the outer wall of the fixed pipe, the length of the protecting pipe is longer than that of the fixed pipe, a containing cavity is formed among the end part of the fixed pipe, the protecting pipe and the core shaft, the section shape of the containing cavity is matched with the outer contours of the pressed safety cone and the pulled safety cone, so that the pressed safety cone and the pulled safety cone can extend into the containing cavity, the leg column is connected with the outer wall of the protecting pipe, the top plate is connected with one end of the leg column far away from the protecting pipe, and the top plate is simultaneously connected with the friction plate and the outer sleeve.
According to the multi-stage anti-seismic self-resetting support provided by the invention, the friction plate is provided with the preformed hole, the leg column penetrates through the preformed hole, the top plate is positioned between the friction plate and the outer sleeve, and the friction plate, the top plate and the outer sleeve are fixedly connected.
Compared with the prior art, the invention discloses a multi-stage anti-seismic self-resetting support, which adopts a structural form that directly stressed steel bars and reserve steel bars are matched, so that different reflection of support members under the earthquake action of different intensities is ensured; after a plurality of small shocks, only the directly stressed reinforcing steel bars participate in deformation, the reserved reinforcing steel bars are still in an initial state, and the whole support still has strong energy consumption capacity when facing the following large shocks; the invention also adopts the friction component and the self-resetting component, and the multiple components consume energy simultaneously, thereby ensuring the sufficient energy consumption capability of the support.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only embodiments of the present invention, and that other drawings can be obtained according to the provided drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic view of a multi-stage shock resistant self-resetting support structure provided by the present invention;
FIG. 2 is an exploded view of the connecting force transfer assembly provided by the present invention;
FIG. 3 is an exploded view of the friction assembly provided by the present invention;
FIG. 4 is an exploded view of the self-resetting assembly provided by the present invention;
FIG. 5 is a schematic structural diagram of a protection component according to the present invention;
fig. 6 is a schematic diagram of an internal structure of a multi-stage anti-seismic self-resetting support provided by the invention.
Wherein: 1 is a connecting force transmission component; 11 is a core shaft; 12 is an end plate; 13 is a direct stress steel bar; 14 is a reserved reinforcing steel bar; 15 is a panel; 16 is an outer sleeve; 2 is a friction component; 21 is a friction member; 211 is a first connection plate; 212 is a second connection plate; 22 is a friction plate; 3 is a self-resetting component; 31 is a disc spring; 32 is a push plate; 33 is a baffle; 4 is a protection component; 41 is a pressed safety cone; 42 is a tension safety cone; 43 is the fulcrum junction; 431 is a fixed tube; 432 is a protective tube; 433 are leg posts; 434 is a top plate; 5 is a slot; 6 is a strip-shaped hole; 7 is a preformed hole.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-4 and 6, embodiments of the present invention disclose a multi-stage shock resistant self-righting support comprising:
the connecting force transmission assembly 1 comprises an outer sleeve 16, a core mandrel 11, end plates 12, direct stress steel bars 13, reserve steel bars 14 and an embedded plate 15, wherein the core mandrel 11, the end plates 12 and the embedded plate 15 are arranged in the outer sleeve 16, the two core mandrels 11 are coaxially arranged and are spaced from each other, one end of each core shaft 11 opposite to the other is respectively provided with one end plate 12, the embedded plate 15 is sleeved on the core shaft 11, the embedded plate 15 is close to the end plates 12, the embedded plates 15 on the two core shafts 11 are connected through the direct stress steel bars 13, the end plates 12 are provided with penetrating holes, two ends of the reserve steel bars 14 respectively penetrate through the penetrating holes on the two end plates 12, and the reserve steel bars 14 on the outer side of each end plate 12 are sleeved with springs;
a friction assembly 2, each core shaft 11 is provided with the friction assembly 2, and is used for connecting the core shaft 11 with the outer sleeve 16;
the self-resetting assembly 3 is provided with a self-resetting assembly 3 on one end of each core shaft 11 near the end plate 12 for connecting the core shaft 11 with the friction assembly 2.
It should be noted that: in this embodiment, preferably, the outer sleeve 16 and the core mandrel 11 are square pipes, wherein the outer sleeve 16 is a square pipe formed by welding four rectangular steel plates, the core mandrel 11 is disposed on the axis of the outer sleeve 16, and the side surface of the core mandrel 11 is opposite to the side surface of the outer sleeve 16, and in a natural state, the spring at the end of the reserve reinforcement 14 is in an original length state, so that the reserve reinforcement 14 will not enter into a tension state after the core mandrel 11 is pulled to generate a positioning shift. By adopting the structure form of the direct stress steel bar 13 and the reserve steel bar 14 which are matched, the support member is ensured to reflect different earthquakes with different intensity; so that after a plurality of small shocks, only the directly stressed reinforcing steel bars 13 participate in deformation, the reserved reinforcing steel bars 14 are still in an initial state, and the whole support still has strong energy consumption capability when facing the following large shocks. The friction assembly 2 and the self-resetting assembly 3 are combined, so that multi-assembly simultaneous energy consumption can be realized, and the sufficient energy consumption capacity of the support is ensured, wherein the core purpose of the friction assembly 2 is friction energy consumption, and the core purpose of the self-resetting assembly 3 is to reset the support to an initial position after earthquake action, so that residual deformation caused by the earthquake is reduced.
Referring to fig. 3, according to the multi-stage anti-vibration self-resetting support provided by the invention, the friction assembly 2 comprises a friction piece 21 and a friction plate 22, the friction plate 22 is arranged on the inner side of the outer sleeve 16, the friction plate 22 is provided with a slotted hole 5 formed along the length direction of the friction plate, the friction piece 21 penetrates through the slotted hole 5, one end of the friction piece 21 is connected with the core shaft 11, the other end of the friction piece 21 is connected to a strip-shaped hole 6 arranged on the outer sleeve 16, and the strip-shaped hole 6 is arranged along the length direction of the outer sleeve 16.
The friction plates 22 are four, each friction plate 22 corresponds to one inner side surface of the outer sleeve 16, the friction piece 21 is arranged on each outer side surface of the core shaft 11, preferably, one friction component 2 is arranged on each outer side surface of the core shaft 11, and when the core shaft 11 is a square pipe, one friction piece 21 is arranged on each outer side surface of the core shaft 11; when the core shaft 11 is a circular pipe, four friction pieces 21 are arranged on each core shaft 11, the four friction pieces 21 are uniformly distributed along the axis of the core shaft 11, and when an earthquake occurs, the core shaft 11 can drive the friction pieces 21 to slide in the slotted holes 5, and because the friction pieces 21 are fixed at the positions of the strip-shaped holes 6 on the outer sleeve 16 through bolts, when the earthquake occurs, the friction pieces 21 can slide along the strip-shaped holes 6 on the outer sleeve 16, and the relative sliding between the friction pieces 21 and the outer sleeve 16 can realize friction energy consumption.
According to the multi-stage anti-seismic self-resetting support provided by the invention, the friction piece 21 comprises the first connecting plate 211 and the second connecting plate 212, the first connecting plate 211 and the second connecting plate 212 form a T-shaped structure, the first connecting plate 211 penetrates through the slotted hole 5, one end of the first connecting plate 211 positioned outside the friction plate 22 is connected with the second connecting plate 212, and the second connecting plate 212 is connected to the strip-shaped hole 6 on the outer sleeve 16.
Wherein, through setting up the T type structure of first connecting plate 211 and second connecting plate 212 welding with friction piece 21, through the setting of second connecting plate 212, be convenient for the second connecting plate 212 be connected with outer tube 16, and then increase friction piece 21 and outer tube 16's area of contact, be favorable to carrying out the friction power consumption between the two.
Referring to fig. 4, according to the multi-stage shock-resistant self-resetting support provided by the invention, the self-resetting assembly 3 comprises a disc spring 31, push plates 32 and a baffle plate 33, wherein the push plates 32 and the baffle plate 33 are both provided with two push plates 32 which are fixed on a core shaft 11 at intervals, the center of the baffle plate 33 is provided with a through hole, the outer edge of the baffle plate 33 is connected with a friction plate 22, the push plates 32 are positioned in the through holes, and the disc spring 31 is sleeved on the core shaft 11 between the two push plates 32.
It should be noted that: when the core shaft 11 and the outer sleeve 16 slide relatively, the baffle 33 is welded on the inner wall of the friction plate 22, so that the core shaft 11 can drive the push plate 32 welded on the baffle to move, and further the disc spring 31 is extruded, so that the disc spring 31 has energy consumption capability, and the sufficient energy consumption capability of the support is ensured by combining the friction assembly 2 and the self-resetting assembly 3.
Referring to fig. 5, the multi-stage anti-seismic self-resetting support provided according to the invention further comprises a protection assembly 4, wherein the protection assembly 4 is arranged at one end of each core mandrel 11 far away from the end plate 12 and is used for connecting the friction assembly 2 with the outer sleeve 16. Through the setting of protection component 4, when appearing big earthquake, when direct atress reinforcing bar 13 and deposit reinforcing bar 14 can not bear, direct atress reinforcing bar 13 neck stretch-break promptly, and deposit reinforcing bar 14 reaches the yield stage, and protection component 4 also can guarantee that bearing structure continues to work, can not buckle in the twinkling of an eye, still can play the effect.
According to the multi-stage shock-resistant self-resetting support provided by the invention, preferably, the protection assembly 4 comprises a compression safety cone 41, a tension safety cone 42 and a fulcrum knot 43, the fulcrum knot 43 is sleeved at one end of the core shaft 11 far away from the end plate 12, the fulcrum knot 43 is connected with the friction plate 22, the compression safety cone 41 and the tension safety cone 42 are respectively arranged on the core shaft 11 at two sides of the fulcrum knot 43, the tension safety cone 42 is positioned at one side of the fulcrum knot 43 close to the end plate 12, and the distance between the compression safety cone 41 and the tension safety cone 42 is larger than the length of the fulcrum knot 43.
Through the arrangement of the compression safety cone 41, the tension safety cone 42 and the fulcrum knot 43, when a large earthquake occurs, the direct stress steel bar 13 is necked and broken when the direct stress steel bar 13 cannot bear, and the tension safety cone 42 and the compression safety cone 41 can also ensure that the support structure cannot be buckled instantaneously and still play a role.
According to the multi-stage shock-resistant self-resetting support provided by the invention, the fulcrum knot 43 comprises a fixed pipe 431, a protective pipe 432, a leg post 433 and a top plate 434, wherein the fixed pipe 431 is sleeved on the core shaft 11, the protective pipe 432 is sleeved on the outer wall of the fixed pipe 431, the length of the protective pipe 432 is longer than that of the fixed pipe 431, a containing cavity is formed among the end part of the fixed pipe 431, the protective pipe 432 and the core shaft 11, the cross section shape of the containing cavity is matched with the outer contours of the compression safety cone 41 and the tension safety cone 42, so that the compression safety cone 41 and the tension safety cone 42 can extend into the containing cavity, the leg post 433 is connected with the outer wall of the protective pipe 432, the top plate 434 is connected with one end of the leg post 433 far away from the protective pipe 432, and the top plate 434 is simultaneously connected with the friction plate 22 and the outer sleeve 16. The fixed pipe 431 and the protecting pipe 432 are square pipes, the fixed pipe 431 is sleeved on the outer surface of the core shaft 11, so that the core shaft 11 and the fixed pipe 431 can move relatively, the protecting pipe 432 is welded on the outer surface of the fixed pipe 431, when a large earthquake occurs, the core shaft 11 and the fulcrum junction 43 generate larger relative displacement, so that the end part of the fixed pipe 431 can support the compression safety cone 41 or the tension safety cone 42, and meanwhile, the outer contours of the compression safety cone 41 and the tension safety cone 42 can extend into the protecting pipe 432, namely, the protecting pipe 432 can play a guiding role on the axial movement of the core shaft 11, so that the core shaft 11 is prevented from being deviated.
According to the multi-stage anti-seismic self-resetting support provided by the invention, the friction plate 22 is provided with the preformed hole 7, the leg column 433 penetrates through the preformed hole 7, the top plate 434 is positioned between the friction plate 22 and the outer sleeve 16, and the friction plate 22, the top plate 434 and the outer sleeve 16 are fixedly connected.
In the present specification, each embodiment is described in a progressive manner, and each embodiment is mainly described in a different point from other embodiments, and identical and similar parts between the embodiments are all enough to refer to each other. For the device disclosed in the embodiment, since it corresponds to the method disclosed in the embodiment, the description is relatively simple, and the relevant points refer to the description of the method section.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (6)
1. A multi-stage shock resistant self-healing support comprising:
the connecting force transmission assembly comprises an outer sleeve, a core mandrel, end plates, direct stress steel bars, reserve steel bars and panels, wherein the core mandrel, the end plates and the panels are arranged in the outer sleeve, the core mandrel, the end plates and the panels are all provided with two, the two core shafts are coaxially arranged and are mutually spaced, one end of each core shaft opposite to the other end of each core shaft is provided with one end plate, the panels are sleeved on the core mandrel and are close to the end plates, the panels on the two core mandrels are connected through the direct stress steel bars, the end plates are provided with penetrating holes, two ends of the reserve steel bars respectively penetrate through the penetrating holes on the two end plates, and springs are sleeved on the reserve steel bars on the outer sides of the end plates;
the friction assemblies are arranged on each nuclear mandrel and are used for connecting the nuclear mandrels with the outer sleeves;
the self-resetting assembly is arranged at one end, close to the end plate, of each core mandrel and is used for connecting the core mandrel with the friction assembly;
the friction assembly comprises a friction piece and a friction plate, wherein the friction plate is arranged on the inner side of the outer sleeve, a slotted hole is formed in the friction plate along the length direction of the friction plate, the friction piece penetrates through the slotted hole, one end of the friction piece is connected with the core shaft, the other end of the friction piece is connected to a strip-shaped hole arranged on the outer sleeve, and the strip-shaped hole is arranged along the length direction of the outer sleeve;
the friction piece comprises a first connecting plate and a second connecting plate, the first connecting plate and the second connecting plate form a T-shaped structure, the first connecting plate penetrates through the slotted hole, one end of the first connecting plate, which is positioned on the outer side of the friction plate, is connected with the second connecting plate, and the second connecting plate is connected to the strip-shaped hole on the outer sleeve.
2. The multi-stage shock resistant self-resetting support as recited in claim 1, wherein the self-resetting assembly comprises a disc spring, a push plate and a baffle plate, wherein the push plate and the baffle plate are respectively provided with two push plates which are fixed on the nuclear spindle at intervals, a through hole is formed in the center of the baffle plate, the outer edge of the baffle plate is connected with the friction plate, the push plate is positioned in the through hole, and the disc spring is sleeved on the nuclear spindle between the two push plates.
3. A multi-stage shock resistant self-healing support according to any one of claims 1 or 2, further comprising a protective assembly provided on an end of each of the core mandrels remote from the end plates for connecting the friction assembly with the outer sleeve.
4. A multi-stage shock resistant self-healing support according to claim 3, wherein the protection assembly comprises a compression safety cone, a tension safety cone and a fulcrum knot, the fulcrum knot is sleeved at one end of the core shaft away from the end plate, the fulcrum knot is connected with the friction plate, the compression safety cone and the tension safety cone are respectively arranged on the core shaft at two sides of the fulcrum knot, the tension safety cone is positioned at one side of the fulcrum knot close to the end plate, and the distance between the compression safety cone and the tension safety cone is larger than the length of the fulcrum knot.
5. The multi-stage shock resistant self-healing support according to claim 4, wherein the fulcrum knot comprises a fixed tube, a protective tube, a leg post and a top plate, the fixed tube is sleeved on the core shaft, the protective tube is sleeved on the outer wall of the fixed tube, the length of the protective tube is larger than that of the fixed tube, a containing cavity is formed among the end part of the fixed tube, the protective tube and the core shaft, the cross-sectional shape of the containing cavity is matched with the outer contours of the pressed safety cone and the pulled safety cone, so that the pressed safety cone and the pulled safety cone can extend into the containing cavity, the leg post is connected with the outer wall of the protective tube, the top plate is connected with one end of the leg post far away from the protective tube, and the top plate is simultaneously connected with the friction plate and the outer sleeve.
6. The multi-stage shock resistant self-healing support according to claim 5, wherein the friction plate has a preformed hole therein, the leg extends through the preformed hole, the top plate is positioned between the friction plate and the outer sleeve, and the friction plate, top plate and outer sleeve are fixedly connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202310382556.0A CN116290450B (en) | 2023-04-12 | 2023-04-12 | Multi-stage anti-seismic self-resetting support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310382556.0A CN116290450B (en) | 2023-04-12 | 2023-04-12 | Multi-stage anti-seismic self-resetting support |
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| CN116290450A CN116290450A (en) | 2023-06-23 |
| CN116290450B true CN116290450B (en) | 2023-09-22 |
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| CN110130513A (en) * | 2018-02-08 | 2019-08-16 | 北京市道路工程质量监督站 | A kind of Self-resetting friction damper |
| CN111962704A (en) * | 2020-08-18 | 2020-11-20 | 广州大学 | Multi-order self-resetting buckling-restrained brace and energy dissipation method and application thereof |
| CN112854516A (en) * | 2021-03-05 | 2021-05-28 | 西安建筑科技大学 | Self-resetting steel support with prepressing disc spring and friction damper |
| CN113585847A (en) * | 2021-07-23 | 2021-11-02 | 北京工业大学 | Assembled self-reset combined disc spring X-shaped mild steel energy consumption device |
| CN113944360A (en) * | 2021-11-15 | 2022-01-18 | 重庆大学 | Multi-stage self-resetting support member and assembling method thereof |
| WO2022037530A1 (en) * | 2020-08-18 | 2022-02-24 | 广州大学 | Self-resetting buckling-restrained brace and energy consumption method therefor |
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2023
- 2023-04-12 CN CN202310382556.0A patent/CN116290450B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110130513A (en) * | 2018-02-08 | 2019-08-16 | 北京市道路工程质量监督站 | A kind of Self-resetting friction damper |
| CN111962704A (en) * | 2020-08-18 | 2020-11-20 | 广州大学 | Multi-order self-resetting buckling-restrained brace and energy dissipation method and application thereof |
| WO2022037530A1 (en) * | 2020-08-18 | 2022-02-24 | 广州大学 | Self-resetting buckling-restrained brace and energy consumption method therefor |
| CN112854516A (en) * | 2021-03-05 | 2021-05-28 | 西安建筑科技大学 | Self-resetting steel support with prepressing disc spring and friction damper |
| CN113585847A (en) * | 2021-07-23 | 2021-11-02 | 北京工业大学 | Assembled self-reset combined disc spring X-shaped mild steel energy consumption device |
| CN113944360A (en) * | 2021-11-15 | 2022-01-18 | 重庆大学 | Multi-stage self-resetting support member and assembling method thereof |
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| CN116290450A (en) | 2023-06-23 |
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