Swing self-resetting shockproof system

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By introducing vertical tension and compression supports and limit devices into the rocking self-resetting structure, the problems of design complexity and high construction cost were solved, and the structure's stable self-resetting and rapid recovery functions under extreme earthquakes were achieved.

CN223358478UActive Publication Date: 2025-09-19HAINAN UNIV

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Patent Information

Application Number: CN202422503267.4
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-10-16
Publication Date: 2025-09-19
Estimated Expiration: 2034-10-16

AI Technical Summary

Technical Problem

Existing rocking self-righting structures have problems of complexity and high cost in design and construction, and it is difficult to effectively control residual deformation under extreme earthquakes, which affects the rapid recovery function of the structure.

Method used

Vertical tension and compression supports and limit devices are used to allow the upper structure to rotate rigidly at the rotating hinge supports. The deformation of the vertical tension and compression supports and the energy dissipation device are combined to absorb and disperse seismic energy and reduce residual deformation of the structure.

Benefits of technology

The stability and self-reset capability of the structure under extreme loads are achieved, which reduces the reliance on ductile design, reduces earthquake damage, and improves the economic and social value of the structure.

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Abstract

The utility model discloses a swing self-resetting quakeproof system which comprises an upper structure, a support installation layer and a foundation, and the upper structure and the foundation are connected through an inner vertical component and a side vertical component which are located on the support installation layer. The inner vertical component is located at the plane centroid position of the upper structure, the upper end of the inner vertical component is connected with the upper structure, and the lower portion is connected with a foundation through a rotating hinge support. The edge vertical components are arranged on the periphery of the upper structure at intervals in the contour direction of the upper structure, and vertical tension and compression supports are installed on the edge vertical components. Inclined struts are arranged on the support installation layer, and the inclined struts are connected to the rotating hinge supports through the tops of the edge vertical components. Energy is absorbed and dispersed through deformation of the vertical tension and compression support and the energy dissipation device; the structural system can effectively combine anti-seismic and damping technologies, provides a new damping design thought for reducing damage and destruction under the action of strong shock, and has innovativeness and practicability.

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Description

Technical Field

[0001] The utility model relates to the technical field of a recoverable function earthquake-proof structural system, in particular to a swing self-resetting earthquake-proof system. Background Art

[0002] Recoverable seismic structural systems have been a research hotspot in earthquake engineering in recent years. The goal of these structural systems is to ensure that buildings maintain acceptable levels of functionality during an earthquake and can be restored to their original functionality after an earthquake, requiring minimal or no extensive repairs. This design concept aims to improve the seismic resilience of urban buildings and infrastructure, and to reduce the economic losses and social impacts of earthquake disasters.

[0003] Current design concepts for building structures designed to cope with earthquakes primarily include: seismic toughness design, performance-based seismic design, isolation and energy dissipation technologies, seismic design of non-structural components, and structural optimization design. The development and application of these design concepts aim to improve the safety and functionality of building structures under earthquakes and reduce losses caused by earthquake disasters. Rocking self-righting structures can effectively control residual displacement after an earthquake, ensuring the functionality and safety of the structure. Due to their ease of repair and rapid construction, rocking self-righting structures have significant economic significance and social value. Due to the rocking effect, the ductility design requirements of the structure itself are reduced, which can save on structural costs. Rocking self-righting structures can be applied to various structural systems, such as rocking bridge piers, reinforced concrete frame structures, steel frame structures, and shear wall structures. Although rocking self-righting structures have significant advantages in seismic resistance and rapid recovery after earthquakes, they also face some challenges and problems in practical applications. The design of rocking self-righting structures needs to consider multiple factors, including the stability, strength, and behavior of the structure under different earthquake intensities, which increases the complexity of the design. Secondly, in order to ensure that the structure can self-right after rocking, special materials and technologies are usually required, such as post-tensioned prestressed tendons, which may increase the difficulty and cost of construction.

[0004] In summary, improving the seismic toughness and resilience of building structures through scientific research and technological innovation, and providing a structure with simple design, which can sway stably during earthquakes and has small residual deformation after earthquakes, are issues that urgently need to be solved by technical personnel in this field. Utility Model Content

[0005] The utility model provides a swing self-resetting anti-vibration system, which reduces the damage of the structure under strong earthquakes, and has small residual deformation of the structure after the earthquake, which is conducive to the rapid recovery of the use function of the structure.

[0006] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0007] The utility model relates to a swing self-resetting anti-vibration system, comprising an upper structure, a support installation layer and a foundation, wherein the upper structure and the foundation are connected via an inner vertical member and a side vertical member located in the support installation layer;

[0008] The inner vertical member is located at the centroid of the superstructure plane, with its upper end connected to the superstructure and its lower end connected to the foundation through a rotating hinge support;

[0009] The side vertical members are arranged at intervals along the outline direction of the upper structure, and the side vertical members are equipped with vertical tension and compression supports;

[0010] The support installation layer is provided with an oblique brace, and the oblique brace is connected to the rotary hinge support by the top of each side vertical component.

[0011] The utility model provides a rocking self-resetting anti-vibration system, further, the vertical tension and compression support is a spiral tension and compression support, a disc spring support, a thick rubber support or an air spring support.

[0012] The utility model provides a rocking self-resetting anti-vibration system, further, the vertical tension and compression support is a combination of multiple vertical tension and compression supports of the same type or multiple types of vertical tension and compression supports.

[0013] The utility model provides a swinging self-resetting shockproof system, further, the vertical tension and compression support is equipped with a limiting device, the limiting device includes a compression limiter and a tension limiter, the vertical tension and compression support installation position is provided with a "convex" installation groove, the vertical tension and compression support is installed in the installation groove, the compression limiter is installed at the top of the vertical tension and compression support and is located above the installation groove, when the vertical tension and compression support reaches the compression limit, the compression limiter contacts the top of the installation groove; the tension limiter is installed at the lower part of the vertical tension and compression support and is located in the expanded space at the lower part of the installation groove, when the vertical tension and compression support reaches the compression limit, the tension limiter contacts the top wall of the installation groove.

[0014] The utility model provides a rocking self-resetting anti-vibration system, further, the vertical tension and compression support is installed in the middle of the support installation layer, the upper and lower parts of the vertical tension and compression support are respectively connected with side vertical components, the upper side vertical component is connected to the upper structure, and the lower side vertical component is connected to the foundation.

[0015] The utility model provides a rocking self-resetting anti-vibration system, further, when the vertical tension and compression support is arranged on the top of the support installation layer, the upper part of the vertical tension and compression support is connected to the vertical member of the bottom layer of the upper structure, and the lower part is connected to the foundation through the side vertical member.

[0016] The utility model provides a rocking self-resetting anti-vibration system, further, the vertical tension and compression support is arranged at the bottom of the support installation layer, the vertical tension and compression support and the rotary hinge support are at the same height, the upper part of the vertical tension and compression support is connected to the upper structure through the side vertical member, and the lower part is connected to the foundation.

[0017] The utility model provides a rocking self-resetting anti-vibration system, further, a lateral constraint is provided at the connection position between the vertical tension and compression support and the foundation.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] The present application provides a rocking, self-resetting anti-seismic / vibration structure that is easy to control as a whole. Different from the traditional horizontal shear isolation principle, the upper node generates a rigid body rotation around the rotating hinge support, allowing the upper structure to rock as a whole within the range allowed by the design, and absorb and disperse energy through the deformation of the vertical tension and compression supports and the energy dissipation device; this structural system is particularly suitable for structures with large rigidity because it can adapt to the deformation requirements of the structure under extreme loads, while reducing the dependence on the ductility design of general building structures; this structural system can effectively combine earthquake resistance and shock absorption technologies, and provide new shock absorption design ideas for reducing damage and destruction under strong earthquakes, which is innovative and practical; due to the strong structural stability and strong self-resetting ability, it can effectively control the residual displacement after the earthquake, and has great economic significance and social value.

[0020] The present invention will be further described below with reference to the accompanying drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 Schematic diagram of three installation positions of the vertical tension and compression support of the utility model;

[0022] Figure 2 This is a schematic diagram of the main view of a swing self-resetting anti-vibration system provided by the utility model;

[0023] Figure 3 for Figure 2 A schematic top view of a rocking self-resetting anti-vibration system;

[0024] Figure 4 This is a schematic diagram of the installation of a limit device for a swing self-resetting anti-vibration system provided by the utility model.

[0025] Reference numerals:

[0026] 1. Superstructure; 2. Support installation layer; 3. Foundation; 4. Rotating hinge support; 5. Vertical tension and compression support; 6. Compression limiter; 7. Tension limiter; 8. Installation groove; 21. Internal vertical member; 22. Side vertical member; 23. Diagonal brace. DETAILED DESCRIPTION

[0027] like Figures 1-4 As shown, the present invention discloses a rocking self-resetting earthquake-proof system comprising a superstructure 1, a support mounting layer 2, and a foundation 3. The superstructure 1 can be designed as a traditional building structure comprising columns, beams, walls, and other components, or a specialized structure composed of vertical compression-bending components, such as those used in water towers, signal towers, power line towers, and industrial and military buildings. Through reasonable design, the horizontal lateral displacement of the superstructure 1 caused by the rigid body rotation displacement under earthquake action should not be less than 30% of the overall horizontal lateral displacement of the superstructure 1, and is generally preferably 30%-80%. The rigidity of the superstructure 1 can be improved by providing supports, increasing the cross-sectional dimensions, and other means.

[0028] The support mounting layer 2 is equipped with inner vertical members 21, side vertical members 22, and diagonal braces 23. The inner vertical member 21 is arranged near the planar centroid of the superstructure 1, with its upper end connected to the superstructure 1 and its lower end connected to the foundation 3 via a pivoting support 4. The side vertical members 22 are arranged at intervals around the periphery of the superstructure 1 along the outline of the superstructure 1. The diagonal braces 23 are located on the support mounting layer 2 and are connected to the pivoting support 4 at the top of each side vertical member 22.

[0029] The rotating hinge support 4 allows rotational displacement while limiting the horizontal linear displacement of the upper structure 1 connected thereto, so that the upper structure 1 generates a rigid body rotation around the rotating hinge support 4 under the action of earthquake force, ensuring that the structure can be stably restored after swaying.

[0030] The vertical tension and compression supports 5 do not constrain the horizontal lateral displacement of the upper structure 1, and only provide compressive bearing capacity, and do not bear any shear bearing capacity in the horizontal direction.

[0031] The vertical tension and compression support 5 can be a spiral tension and compression support, a disc spring support, a thick rubber support, an air spring support, etc. When designing the plane of the support installation layer 2, multiple vertical tension and compression supports 5 of the same type or different types of vertical tension and compression supports 5 can be selected and combined.

[0032] The vertical tension and compression support 5 is equipped with a limiting device, which includes a compression limiter 6 and a tension limiter 7. The installation position of the vertical tension and compression support 5 is provided with a "convex" installation groove 8. The vertical tension and compression support 5 is installed in the installation groove 8. The compression limiter 6 is installed at the top of the vertical tension and compression support 5 and is located above the installation groove 8. When the vertical tension and compression support 5 reaches the compression limit, the compression limiter 6 contacts the top of the installation groove 5; the tension limiter 7 is installed at the lower part of the vertical tension and compression support 5 and is located in the expanded space at the lower part of the installation groove 8. When the vertical tension and compression support 5 reaches the compression limit, the tension limiter 7 contacts the top wall of the installation groove 8. When the tensile deformation or compressive deformation of the vertical tension and compression support 5 reaches the design limit, the tensile stiffness or compressive stiffness of the vertical tension and compression support 5 will increase significantly to prevent the upper structure from overturning.

[0033] Example 1:

[0034] The vertical tension and compression support 5 is installed in the middle of the support installation layer 2. The upper and lower ends of the vertical tension and compression support 5 are respectively connected to the side vertical members 22. The upper side vertical member 22 is connected to the upper structure 1, and the lower side vertical member 22 is connected to the foundation 3.

[0035] Example 2:

[0036] The difference from Example 1 is that the vertical tension and compression support 5 is arranged on the top of the support installation layer 2, the upper part of the vertical tension and compression support 5 is directly connected to the vertical member of the bottom layer of the upper structure 1, and the lower part is connected to the foundation 3 through the side vertical member 22.

[0037] Example 3:

[0038] The difference from Examples 1 and 2 is that the vertical tension and compression support 5 is arranged at the bottom of the support installation layer 2, the vertical tension and compression support 5 and the rotary hinge support 4 are at the same height, the upper part of the vertical tension and compression support 5 is connected to the upper structure 1 through the side vertical member 22, and the lower part is directly connected to the foundation 3.

[0039] In addition, the connection between the vertical tension and compression support 5 and the foundation 3 can be designed to increase lateral constraints. The lateral constraints can be the inner wall of the installation groove, so that it can withstand the horizontal shear force while bearing the vertical tension and compression force.

[0040] Example 4:

[0041] An energy dissipation and shock absorption device 6 can also be set at the support mounting layer 2. The energy dissipation and shock absorption device 6 is vertically installed on the support mounting layer 2. The types of energy dissipation and shock absorption devices 6 include viscous dampers, viscoelastic dampers, etc., which absorb and disperse energy through the deformation of the energy dissipation and shock absorption device 6 and the vertical tensile and compressive support 5.

[0042] The embodiments described above are merely descriptions of preferred implementation methods of the present invention and do not limit the scope of the present invention. Without departing from the design spirit of the present invention, various modifications and improvements made to the technical solutions of the present invention by ordinary technicians in this field should fall within the scope of protection determined by the claims of the present invention.

Claims

1. The swing self-resetting anti-vibration system is characterized by: The invention comprises an upper structure (1), a support installation layer (2) and a foundation (3), wherein the upper structure (1) and the foundation (3) are connected via an inner vertical member (21) and an edge vertical member (22) located on the support installation layer (2); The inner vertical member (21) is located at the plane centroid of the upper structure (1), the upper end of which is connected to the upper structure (1), and the lower part of which is connected to the foundation (3) via a rotating hinge support (4); The side vertical members (22) are arranged at intervals along the outline direction of the upper structure (1) on the periphery thereof, and the side vertical members (22) are equipped with vertical tension and compression supports (5); The support mounting layer (2) is provided with an oblique brace (23), and the oblique brace (23) is connected to the rotary hinge support (4) through the top of each side vertical member (22).

2. The rocking self-resetting anti-vibration system according to claim 1, characterized in that: The vertical tension and compression support (5) is a spiral tension and compression support, a disc spring support, a thick rubber support or an air spring support.

3. The rocking self-resetting anti-vibration system according to claim 2, characterized in that: The vertical tension and compression supports (5) are a combination of multiple vertical tension and compression supports (5) of the same type or multiple types of vertical tension and compression supports (5).

4. The rocking self-resetting anti-vibration system according to claim 1, characterized in that: The vertical tension and compression support (5) is equipped with a limiting device, and the limiting device includes a compression limiter (6) and a tension limiter (7). The installation position of the vertical tension and compression support (5) is provided with a "convex" installation groove (8), and the vertical tension and compression support (5) is installed in the installation groove (8). The compression limiter (6) is installed at the top of the vertical tension and compression support (5) and is located above the installation groove (8). When the vertical tension and compression support (5) reaches the compression limit, the compression limiter (6) contacts the top of the installation groove (8); the tension limiter (7) is installed at the lower part of the vertical tension and compression support (5) and is located in the expanded space at the lower part of the installation groove (8). When the vertical tension and compression support (5) reaches the compression limit, the tension limiter (7) contacts the top wall of the installation groove (8).

5. The rocking self-resetting anti-vibration system according to claim 1, characterized in that: The vertical tension and compression support (5) is installed in the middle of the support installation layer (2), and the upper and lower parts of the vertical tension and compression support (5) are respectively connected to the side vertical components (22), the upper side vertical component (22) is connected to the upper structure (1), and the lower side vertical component (22) is connected to the foundation (3).

6. The rocking self-resetting anti-vibration system according to claim 1, characterized in that: When the vertical tension and compression support (5) is arranged on the top of the support installation layer (2), the upper part of the vertical tension and compression support (5) is connected to the vertical member of the bottom layer of the upper structure (1), and the lower part is connected to the foundation (3) through the side vertical member (22).

7. The rocking self-resetting anti-vibration system according to claim 1, characterized in that: The vertical tension and compression support (5) is arranged at the bottom of the support installation layer (2), and the vertical tension and compression support (5) and the rotary hinge support (4) are located at the same height. The upper part of the vertical tension and compression support (5) is connected to the upper structure (1) through the side vertical member (22), and the lower part is connected to the foundation (3).

8. The rocking self-resetting anti-vibration system according to claim 1, characterized in that: A lateral constraint is provided at the connection position between the vertical tension and compression support (5) and the foundation (3).