A magnetic wind-resistant rubber seismic isolation bearing

Abstract

This invention discloses a magnetically aspirated wind-resistant rubber seismic isolation bearing, comprising a seismic isolation bearing and several sets of wind-resistant devices. The wind-resistant devices are distributed along the edge of the seismic isolation bearing, and each set includes a strong magnet and a steel column. The strong magnet is positioned on the upper part of the seismic isolation bearing. One end of the steel column engages with the strong magnet, allowing for magnetic attraction / detachment to resist wind and release the deformation capacity of the seismic isolation bearing. This solution uses a magnetic structure to connect or detach from the seismic isolation bearing to resist wind and release its deformation capacity. It can be used multiple times, and the wind-resistant devices do not need to be replaced after an earthquake, significantly reducing post-earthquake maintenance costs.

Description

Technical Field

[0001] This invention relates to the field of building engineering technology, specifically to a magnetic wind-resistant rubber seismic isolation bearing. Background Technology

[0002] The application of seismic isolation technology greatly reduces the seismic forces on buildings, thereby improving their seismic resilience. However, to maximize the seismic isolation performance of buildings, the lateral stiffness of the seismic isolation bearings is often relatively small, which can lead to significant displacement of the building under strong wind loads, affecting building comfort.

[0003] To overcome this problem, the industry often uses lead-core rubber bearings to increase the lateral stiffness of seismic isolation bearings; however, this approach reduces the seismic isolation performance of buildings. Installing disposable wind-resistant devices is another solution. This solution uses disposable devices such as cables and thin steel plates to constrain the deformation of the seismic isolation bearings under wind loads. Under seismic loads, these devices break or fail, thereby releasing the deformation capacity of the seismic isolation bearings and isolating them from the effects of seismic forces.

[0004] Although this approach does not sacrifice the performance of the seismic isolation bearings, all devices need to be replaced after each earthquake, resulting in high maintenance costs.

[0005] Therefore, how to reduce the maintenance cost of seismic isolation bearings is a problem that needs to be solved in this field. Summary of the Invention

[0006] In view of the technical problem of high maintenance costs of existing seismic isolation bearings, the purpose of this invention is to provide a magnetic wind-resistant rubber seismic isolation bearing that does not require replacement of the wind-resistant device after an earthquake, has low maintenance costs, and effectively overcomes the problems existing in the prior art.

[0007] To achieve the above objectives, the present invention provides a magnetically aspirated wind-resistant rubber seismic isolation bearing, comprising a seismic isolation bearing and several sets of wind-resistant devices; the several sets of wind-resistant devices are distributed on the edge of the seismic isolation bearing, each set of wind-resistant devices comprising a strong magnet and a steel column; the strong magnet is disposed on the upper part of the seismic isolation bearing; one end of the steel column cooperates with the strong magnet, and can be magnetically attracted / detached from the strong magnet, thereby resisting wind and releasing the deformation capacity of the seismic isolation bearing.

[0008] Furthermore, the seismic isolation bearing includes an upper structure and a lower structure connected and fitted together to form the seismic isolation bearing; fireproof components are provided around the upper structure and the lower structure.

[0009] Furthermore, the wind-resistant device also includes an upper baffle; the upper baffle connects the strong magnet to the upper structure.

[0010] Furthermore, the mounting surface of the strong magnet corresponding to the lower structure of the seismic isolation bearing is provided with a concave spherical surface.

[0011] Furthermore, the steel column comprises a hemisphere and a cylinder; the hemisphere and the cylinder are connected in a fitting manner.

[0012] Furthermore, the hemispherical surface of the hemispherical end face can be magnetically connected to the concave spherical surface of a strong magnet.

[0013] Furthermore, the radius of curvature of the hemispherical surface of the hemisphere is the same as the radius of curvature of the concave spherical surface of the strong magnet, and the hemispherical surface of the hemisphere can be magnetically connected to the concave spherical surface of the strong magnet.

[0014] Furthermore, the diameter of the hemispherical surface of the hemisphere is larger than the diameter of the concave spherical surface of the strong magnet. When the hemisphere is attached to the strong magnet, the hemispherical surface of the hemisphere is exposed, forming a limiting structure that can prevent the lateral deformation of the seismic isolation support.

[0015] Furthermore, the wind-resistant device also includes a lower stop block; the lower stop block is disposed on the lower structure of the seismic isolation bearing, corresponding to the upper stop block.

[0016] Furthermore, the lower stop block is provided with a groove that engages with the cylindrical body of the steel column, so that when the hemisphere of the steel column is separated from the strong magnet, the cylindrical body can be embedded into the groove.

[0017] The magnetic wind-resistant rubber seismic isolation bearing provided by the present invention can resist wind and release the deformation capacity of the seismic isolation bearing by connecting or disconnecting with the seismic isolation bearing through a magnetic structure. It can be used multiple times and does not need to replace the wind-resistant device after an earthquake, which greatly reduces the maintenance cost after an earthquake. Attached Figure Description

[0018] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.

[0019] Figure 1 This is a schematic diagram of the structure of the wind-resistant and seismic isolation bearing;

[0020] Figure 2 for Figure 1 AA section diagram

[0021] Figure 3 This is an exploded view of the structure of this magnetic wind-resistant device;

[0022] Figure 4 This is a schematic diagram of the magnetic wind-resistant device of this wind-resistant and seismic isolation bearing during wind resistance.

[0023] Figure 5 This is a schematic diagram of the magnetic wind-resistant device of this wind-resistant and seismic isolation bearing during seismic resistance;

[0024] The following are the component labels in the attached diagram:

[0025] 1. Rubber support 2. Connecting bolts for upper and lower structures 3. Lower stop block 4. Upper stop block 5. Slot 6. Steel column 7. Strong magnet 9. Fireproof baffle. Detailed Implementation

[0026] To make the technical means, creative features, objectives and effects of this invention easier to understand, the invention will be further described below with reference to specific illustrations.

[0027] To address the technical problem of high maintenance costs associated with existing seismic isolation bearings, the present invention aims to provide a magnetically attached wind-resistant rubber seismic isolation bearing. This bearing releases the deformation capacity of the seismic isolation bearing by connecting or disconnecting with the bearing through a magnetic structure. It can be used multiple times and does not require replacement of the wind-resistant device after an earthquake, thus greatly reducing post-earthquake maintenance costs.

[0028] The magnetic wind-resistant rubber seismic isolation bearing provided in this solution includes a seismic isolation bearing and several sets of magnetic wind-resistant devices, which can be distributed on the edge of the seismic isolation bearing.

[0029] See Figure 1-Figure 2 The seismic isolation bearing includes the superstructure, the substructure, and the rubber bearing 1.

[0030] The upper structure and the lower structure are respectively set on the upper part and the bottom of the rubber bearing 1, and the upper structure, the rubber bearing 1 and the lower structure are connected by the upper and lower structure connecting bolts 2 to form an integrated seismic isolation bearing.

[0031] In addition, a fireproof baffle 9 is provided on the outer edge of the seismic isolation device. At the same time, the rubber bearing 1 inside the seismic isolation bearing is made of rubber, which has a fireproof protection effect, thus greatly improving the fireproof effect.

[0032] Furthermore, an installation space is left at the edge between the upper and lower structures of the seismic isolation bearing, which can be used to install several sets of magnetic wind-resistant devices at the edge between the upper and lower structures.

[0033] It should be noted that the specific structure and working principle of the seismic isolation bearing are well known to those skilled in the art, and will not be described in detail here.

[0034] Several sets of wind-resistant devices have the same structure, see [link / reference] Figure 1 and Figure 3 It includes an upper stop block 4, a lower stop block 3, a strong magnet 7, and a steel column 6.

[0035] The upper stop block 4 is located at the edge of the upper structure, the lower stop block 3 is located at the edge of the lower structure, and the strong magnet 7 and the steel column 6 are positioned between the upper stop block 3 and the lower stop block 4.

[0036] The mounting surface of the strong magnet 7 corresponding to the lower stop block 3 is fixed to the bottom of the upper stop block 4, and its end face corresponding to the lower stop block 3 is provided with a concave spherical surface for connecting with the steel column 6.

[0037] The steel column 6 is composed of a cylinder and a hemisphere, which are connected to form an integral steel column 6.

[0038] The hemisphere corresponds to the strong magnet 7 and is positioned above the cylinder. The hemisphere and the concave spherical surface of the strong magnet 7 are attracted and connected, allowing the hemisphere to be embedded inside the strong magnet 7.

[0039] The radius of curvature of the hemisphere should be the same as the radius of curvature of the concave spherical surface of the strong magnet 7, so that the hemisphere can fit snugly against the concave spherical surface of the strong magnet 7.

[0040] In addition, the diameter of the hemisphere should be larger than the diameter of the concave spherical surface of the strong magnet 7, that is, when the two are in contact, part of the hemisphere should be exposed. The outer wall of the hemisphere forms an expansion force on the concave spherical surface of the strong magnet 7, which can form the limiting component of the upper stop 4.

[0041] When wind load is applied, the hemisphere of the hemisphere can generate an expansion force on the concave spherical surface of the strong magnet 7, which can block the lateral deformation of the seismic isolation bearing.

[0042] In addition, during an earthquake, under the strong lateral force of the upper block 4, the hemisphere of the steel column 6 will generate a downward force component, which will cause the steel column 6 to separate from the strong magnet 7.

[0043] The cylindrical body below the steel column 6 is set on the lower stop block 3, and the lower stop block 3 is provided with a steel column slot 5, which can be connected with the steel column 6.

[0044] When the hemisphere of the steel column 6 is attracted to the strong magnet 7 above, the cylindrical part of the steel column 6 is located inside the steel column slot 5.

[0045] When the steel column 6 separates from the strong magnet 7, the steel column 6 can fall into the steel column slot 5. The cylinder is completely inside the slot 5. At this time, the deformation performance of the seismic isolation bearing is released, and it can play a normal seismic isolation role.

[0046] It should be noted that the number of wind-resistant devices is not limited, but it is preferable to use an even number of wind-resistant devices evenly and symmetrically distributed between the upper block 4 and the lower block 3, which can further ensure the stability of the wind-resistant devices during application.

[0047] Secondly, the shapes of the stop block 4 and the lower stop block 3 are not limited. For example, they can be rectangular or cylindrical, etc. The specific shapes can be determined according to the actual situation.

[0048] In addition, the steel column 6 can preferably be made of high-strength alloy steel with magnetic core. On the one hand, its high hardness can increase its service life during earthquakes, and on the other hand, it can form a strong magnetic attraction with the strong magnet 7, which can ensure that it can achieve a stable connection with the upper stop block 4 under wind load. However, the specific material selection is not limited, and other magnetic core materials can also be selected as substitutes.

[0049] The following example illustrates the working process of this solution; it should be noted that the following content is only a specific application example of this solution and does not constitute a limitation on this solution.

[0050] First, based on the aforementioned magnetic wind-resistant rubber seismic isolation bearing, the bearing will be installed. Specifically:

[0051] (1) Tie the steel cage of the lower main structure, set up the formwork, locate the installation points of the seismic isolation bearings, and pour the lower main structure.

[0052] (2) Separate the steel column and the strong magnet, hoist and place the upper and lower blocks of the seismic isolation bearing, install the lower connecting bolts of the seismic isolation bearing, and connect the lower blocks;

[0053] (3) Binding, formwork and pouring of the upper structure reinforcement, positioning and adjusting the position of the seismic isolation bearings to ensure the horizontality and verticality of the bearings;

[0054] (4) After the construction of the superstructure is completed and the vertical deformation of the seismic isolation bearing is stabilized, the hemispherical surface of the steel column is brought into contact with the concave spherical surface of the strong magnet to be attracted, thus completing the installation of the wind-resistant seismic isolation bearing.

[0055] In the initial state, see Figure 4 The strong magnet 7 of the upper stop block 4 comes into contact with and is attracted to the hemispherical surface of the steel column 6.

[0056] When subjected to wind load, steel column 6 acts as a limiting device to prevent lateral deformation of the seismic isolation bearing.

[0057] When an earthquake occurs, see Figure 5 Under the strong lateral force of the upper stop block 4, the hemispherical surface of the steel column 6 will generate a downward force component, which will cause the steel column 6 to detach from the strong magnet 7 and fall into the lower slot 5. At this time, the deformation performance of the seismic isolation bearing is released, and it can play a normal seismic isolation role.

[0058] After the earthquake ends and the seismic isolation bearing is reset, the steel column can be pulled out of the slot 5 and reattached to the concave spherical surface of the strong magnet 7 on the upper baffle 3, thus resetting the bearing performance and restoring it to a wind-resistant bearing.

[0059] The magnetic wind-resistant rubber seismic isolation bearing constructed by the above scheme has a clear structure and practical function. It does not require replacement of the wind-resistant device after an earthquake, has low maintenance costs, and provides fire protection for the internal rubber bearing. It solves the problems of poor wind resistance, insufficient fire protection, and high maintenance costs of wind-resistant devices in traditional seismic isolation bearings.

[0060] The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of the invention. Various changes and modifications can be made to the invention without departing from its spirit and scope, and all such changes and modifications fall within the scope of the present invention as claimed. The scope of protection of this invention is defined by the appended claims and their equivalents.

Claims

1. A magnetically aspirated wind-resistant rubber seismic isolation bearing, comprising a seismic isolation bearing; characterized in that, It also includes several sets of wind-resistant devices; the several sets of wind-resistant devices are distributed at the edge of the seismic isolation bearing; each set of wind-resistant devices is composed of an upper block, a lower block, a strong magnet, and a steel column. The upper block is set at the edge of the upper structure, the lower block is set at the edge of the lower structure, the strong magnet and the steel column are set between the upper block and the lower block, the mounting surface of the strong magnet corresponding to the lower block is fixed to the bottom of the upper block, and its end face corresponding to the lower block has a concave spherical surface for connecting with the steel column. The steel column is composed of a cylinder and a hemisphere, which are connected to form an integrated steel column. The hemisphere corresponds to the strong magnet and is set above the cylinder. The hemisphere and the concave spherical surface of the strong magnet are attracted and connected, and the hemisphere can be embedded inside the strong magnet. When wind loads are applied, the hemisphere of the hemisphere can generate an expansion force on the concave spherical surface of the strong magnet, which can block the lateral deformation of the seismic isolation bearing. During an earthquake, under the strong lateral force of the upper stop block, the hemispherical surface of the steel column will generate a downward force component, which will cause the steel column to detach from the strong magnet.

2. The magnetically aspirated wind-resistant rubber seismic isolation bearing according to claim 1, characterized in that, The seismic isolation bearing includes an upper structure and a lower structure connected together to form the seismic isolation bearing; fireproof components are provided around the upper structure and the lower structure.

3. The magnetically aspirated wind-resistant rubber seismic isolation bearing according to claim 1, characterized in that, The radius of curvature of the hemisphere is the same as that of the concave spherical surface of the strong magnet, and the hemisphere can be magnetically attached to the concave spherical surface of the strong magnet.

4. The magnetically aspirated wind-resistant rubber seismic isolation bearing according to claim 1, characterized in that, The diameter of the hemispherical surface of the hemisphere is larger than the diameter of the concave spherical surface of the strong magnet. When the hemisphere is attached to the strong magnet, the hemispherical surface of the hemisphere is exposed, forming a limiting structure that can prevent the lateral deformation of the seismic isolation support.

5. A magnetically aspirated wind-resistant rubber seismic isolation bearing according to claim 1, characterized in that, The wind-resistant device also includes a lower stop block; the lower stop block is disposed on the lower structure of the seismic isolation bearing, corresponding to the upper stop block.

6. A magnetically aspirated wind-resistant rubber seismic isolation bearing according to claim 5, characterized in that, The lower stop block is provided with a groove that fits into the cylinder of the steel column, so that when the hemisphere of the steel column is separated from the strong magnet, the cylinder can be embedded into the groove.

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