Intelligent composite seismic isolation bearing

Abstract

The application relates to an intelligent composite shock absorption and isolation support, which comprises a fixed seat body, the fixed seat body is formed with a containing groove; a shock absorption and isolation spring, the shock absorption and isolation spring is arranged in the containing groove and extends along the vertical direction; a shape memory alloy shock absorption and isolation piece, the shape memory alloy shock absorption and isolation piece is arranged in the containing groove and is arranged in a horizontal plane; and a movable seat body, the movable seat body comprises a connected load plate and a connecting column, the connecting column is connected with the shape memory alloy shock absorption and isolation piece, and the load plate is abutted with the shock absorption and isolation spring. The vibration acting force is prevented from being transmitted to electrical equipment, structural damage of the electrical equipment is caused, the composite shock absorption and isolation support can reliably protect the electrical equipment, compared with the centralized shock absorption and isolation means in the prior art, the scheme adopts the composite of the shock absorption and isolation spring and the shape memory alloy shock absorption and isolation piece, is not limited by conditions such as temperature, friction, bearing capacity and the like, has continuous and reliable and excellent shock absorption and isolation performance, and is suitable for various scene environments.

Description

Technical Field

[0001] This application relates to the technical field of vibration reduction and isolation for power equipment, and in particular to an intelligent composite vibration reduction and isolation bearing. Background Technology

[0002] With the continuous development of my country's energy industry and the continuous improvement of power transmission levels, the demand for seismic resistance of electrical equipment within the power system is gradually increasing, as this directly relates to the structural safety and normal operation of electrical equipment. Therefore, to improve the seismic performance of electrical equipment, vibration reduction and isolation technologies have been widely applied in the seismic design of power systems. Vibration reduction and isolation technologies primarily aim to reduce the seismic forces experienced by equipment, thereby mitigating the damage to the equipment structure caused by earthquakes. Currently, commonly used vibration reduction and isolation methods for electrical equipment in power systems mainly include friction pendulum systems, laminated rubber bearings, and sliding isolation systems.

[0003] Friction pendulum systems, as a classic structural vibration reduction method, offer excellent damping effects. However, the friction force in these systems is susceptible to instability due to various factors. While laminated rubber bearings also play an important role in structural vibration reduction, the rubber material is temperature-sensitive; temperature changes can cause fluctuations in its elastic modulus, thus affecting the bearing's performance. Furthermore, laminated rubber bearings have limited load-bearing capacity, potentially making them unsuitable for large structures or engineering scenarios with high load-bearing requirements, thus restricting their application. The sliding surfaces of sliding isolation systems are easily affected by friction and wear, which can lead to a gradual decline in system performance. Therefore, existing vibration reduction and isolation methods cannot adequately meet the increasing vibration reduction and isolation needs of electrical equipment. Summary of the Invention

[0004] Based on this, in order to address the shortcomings of existing vibration reduction and isolation measures, such as unstable friction, material sensitivity to temperature, poor weather resistance, and limited load-bearing capacity, an intelligent composite vibration reduction and isolation bearing is provided. This bearing combines the advantages of vibration reduction and isolation springs and shape memory alloy vibration reduction and isolation components to improve the seismic performance and stability of power systems.

[0005] This application proposes an intelligent composite seismic isolation bearing, which includes:

[0006] A fixed base body having a receiving groove;

[0007] A vibration damping spring, wherein the vibration damping spring is disposed in the receiving groove and extends in the vertical direction;

[0008] A shape memory alloy vibration damping component, wherein the shape memory alloy vibration damping component is disposed within the receiving groove and arranged in a horizontal plane; and...

[0009] The movable seat includes a connected carrier plate and a connecting column, the connecting column is connected to the shape memory alloy damping and isolation component, and the carrier plate abuts against the damping and isolation spring.

[0010] When using the intelligent composite seismic isolation bearing of this solution, the fixed seat is installed and fixed on the structural foundation, and the carrier plate of the movable seat is assembled and fixed with the electrical equipment to be protected. At this time, the connecting column is connected to the shape memory alloy seismic isolation component arranged in the horizontal plane, and the carrier plate abuts against the seismic isolation springs arranged in the vertical direction. When an earthquake occurs, on the one hand, the seismic isolation springs can dissipate the vibration energy transmitted in the vertical direction through vertical expansion and contraction deformation, and on the other hand, the shape memory alloy seismic isolation component can dissipate the vibration energy transmitted in the horizontal direction through deformation and automatic reset characteristics in the horizontal plane. This prevents the vibration force from being transmitted to the electrical equipment and causing structural damage to the electrical equipment. This makes the seismic isolation bearing provide reliable protection for the electrical equipment. Compared with the centralized seismic isolation methods of the prior art, this solution uses a combination of seismic isolation springs and shape memory alloy seismic isolation components, which is not limited by conditions such as temperature, friction, and load-bearing capacity. It has continuous, reliable and excellent seismic isolation performance and is suitable for various environments.

[0011] The technical solution of this application will be further described below:

[0012] In one embodiment, the fixed base includes a base plate and an annular surrounding plate, the annular surrounding plate being disposed on one side of the base plate in the thickness direction, and the annular surrounding plate and the base plate forming the receiving groove;

[0013] A floating gap is formed between the end face of the annular surrounding plate away from the bottom plate and the carrier plate.

[0014] In one embodiment, a fixed bracket formed on the base plate is provided in the receiving groove, and the shape memory alloy damping and isolation component is connected and fixed to the fixed bracket.

[0015] In one embodiment, the base plate is recessed to form a clearance groove, the fixed bracket is disposed in the clearance groove, the shape memory alloy vibration damping component is located above the clearance groove, and the bottom surface of the shape memory alloy vibration damping component is tangent to the surface of the base plate.

[0016] In one embodiment, the fixed bracket includes a first fixed column and a second fixed column arranged at intervals opposite to each other. The shape memory alloy damping and isolation component includes a first arc-shaped alloy plate, a second arc-shaped alloy plate, a first connector, and a second connector. The concave surfaces of the first arc-shaped alloy plate and the second arc-shaped alloy plate are arranged opposite to each other and form an insertion hole. The first connector connects one end of the first arc-shaped alloy plate and the second arc-shaped alloy plate in the length direction. The second connector connects the other end of the first arc-shaped alloy plate and the second arc-shaped alloy plate in the length direction. The end of the connecting column away from the carrier plate is inserted into the insertion hole and abuts against the first arc-shaped alloy plate and the second arc-shaped alloy plate.

[0017] In one embodiment, the diameter of the connecting post is smaller than the diameter of the widest part of the clearance groove.

[0018] In one embodiment, the first connector is slidably connected to the first arc-shaped alloy plate and the second arc-shaped alloy plate, and the opposite ends of the first connector extend out of the opposite sides of the first arc-shaped alloy plate and the second arc-shaped alloy plate, respectively, and the two protruding ends of the first connector are screwed with a first nut.

[0019] In one embodiment, the second connector is slidably connected to the first arc-shaped alloy plate and the second arc-shaped alloy plate, and the opposite ends of the second connector extend out of the opposite sides of the first arc-shaped alloy plate and the second arc-shaped alloy plate, respectively, and the two protruding ends of the second connector are screwed with second nuts.

[0020] In one embodiment, the bottom surface of the fixing body and the top surface of the carrier plate are provided with welding parts or screw connections.

[0021] In one embodiment, multiple vibration damping springs, shape memory alloy vibration damping components, and connecting columns are provided. The vibration damping springs and shape memory alloy vibration damping components are arranged alternately and at intervals along the circumferential direction of the receiving groove, and the connecting columns are connected to the shape memory alloy vibration damping components one by one. Attached Figure Description

[0022] The accompanying drawings, which form part of this application, are used to provide a further understanding of this application. The illustrative embodiments of this application and their descriptions are used to explain this application and do not constitute an undue limitation of this application.

[0023] To more clearly illustrate the technical solutions in the embodiments of this application, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are only some embodiments of this application. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0024] Figure 1 This is an assembly structure diagram of the intelligent composite seismic isolation bearing described in one embodiment.

[0025] Figure 2 for Figure 1 A schematic diagram of the explosion of the fixed and movable seats in the intelligent composite seismic isolation bearing.

[0026] Figure 3 This is a structural diagram showing the assembly of the fixed base, damping springs, and shape memory alloy damping components.

[0027] Explanation of reference numerals in the attached figures:

[0028] 100. Intelligent composite seismic isolation bearing; 10. Fixed seat body; 11. Receiving groove; 12. Base plate; 121. Clearance groove; 13. Annular surrounding plate; 20. Seismic isolation spring; 30. Shape memory alloy seismic isolation component; 31. First arc-shaped alloy plate; 32. Second arc-shaped alloy plate; 33. First connecting piece; 34. Second connecting piece; 40. Movable seat body; 41. Carrier plate; 42. Connecting column; 50. Floating gap; 60. Fixed bracket; 61. First fixed column; 62. Second fixed column; 70. Buffer mechanism; 80. Intelligent monitoring device; 90. Adjustable damper. Detailed Implementation

[0029] To make the above-mentioned objectives, features, and advantages of this application more apparent and understandable, the specific embodiments of this application are described in detail below with reference to the accompanying drawings. Many specific details are set forth in the following description to provide a thorough understanding of this application. However, this application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar modifications without departing from the spirit of this application. Therefore, this application is not limited to the specific embodiments disclosed below.

[0030] In the description of this application, it should be understood that if terms such as "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" appear, these terms indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0031] Furthermore, where the terms "first" and "second" appear, these terms are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined with "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this application, where the term "multiple" appears, "multiple" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0032] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0033] In this application, unless otherwise expressly specified and limited, the use of descriptions such as "above" or "below" the second feature indicates that the first and second features are in direct contact or indirect contact via an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. Similarly, "below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0034] It should be noted that if an element is referred to as being "fixed to" or "set on" another element, it can be directly on the other element or there may be an intervening element. If an element is considered to be "connected to" another element, it can be directly connected to the other element or there may be an intervening element. If so, the terms "vertical," "horizontal," "upper," "lower," "left," "right," and similar expressions used in this application are for illustrative purposes only and do not represent the only possible implementation.

[0035] See Figures 1 to 3 This application presents an embodiment of an intelligent composite vibration damping and isolation bearing 100, which includes a fixed base 10, a vibration damping and isolation spring 20, a shape memory alloy vibration damping and isolation component 30, and a movable base 40.

[0036] The damping and isolation spring 20 can be any one of the following: spring plate, spring column, coil spring, etc. For example, in this application, the damping and isolation spring 20 is a coil spring.

[0037] Shape memory alloy (SMA) vibration damping and isolation components 30 are made of shape memory alloy materials. Shape memory alloys (SMA) are materials composed of two or more metallic elements that exhibit shape memory effect (SME) through thermoelastic and martensitic phase transformations and their inverse transformations. The shape memory effect is evident in the following example: when a spring made of shape memory alloy is placed in hot water, its length immediately elongates; when placed in cold water, it immediately returns to its original shape. Another important property of shape memory alloys is pseudoelasticity (also known as superelasticity), which means that under external force, shape memory alloys have a much greater deformation recovery capacity than ordinary metals; that is, the large strain generated during loading will recover upon unloading.

[0038] Please continue reading. Figures 1 to 2 In this application, the movable seat 40 is located above the fixed seat 10, the fixed seat 10 has a receiving groove 11, the damping spring 20 is disposed in the receiving groove 11 and extends vertically; the shape memory alloy damping component 30 is disposed in the receiving groove 11 and is arranged in the horizontal plane; the movable seat 40 includes a carrier plate 41 and a connecting column 42 connected to each other, the connecting column 42 is connected to the shape memory alloy damping component 30, and the carrier plate 41 abuts against the end of the damping spring 20 away from the fixed seat 10.

[0039] For example, the carrier plate 41 and the connecting column 42 can be connected as one unit by welding, high-strength bolts or other methods to ensure the connection strength and structural stability of the two.

[0040] In summary, implementing the technical solution of this embodiment will have the following beneficial effects: When the intelligent composite seismic isolation bearing 100 of this solution is used, the fixed seat 10 is installed and fixed on the structural foundation, and the carrier plate 41 of the movable seat 40 is assembled and fixed with the electrical equipment to be protected. At this time, the connecting column 42 is connected to the shape memory alloy seismic isolation component 30 arranged in the horizontal plane, and at the same time, the carrier plate 41 abuts against the seismic isolation spring 20 arranged in the vertical direction. When an earthquake occurs, on the one hand, the seismic isolation spring 20 can dissipate the vibration energy transmitted in the vertical direction through vertical expansion and contraction deformation, and on the other hand... The shape memory alloy vibration damping component 30 can dissipate the vibration energy transmitted in the horizontal direction through its deformation and automatic reset characteristics in the horizontal plane, thereby preventing the vibration force from being transmitted to electrical equipment and causing structural damage to the electrical equipment. This allows the vibration damping support to provide reliable protection for the electrical equipment. Compared with the centralized vibration damping and isolation methods of the prior art, this solution uses a combination of vibration damping and isolation spring 20 and shape memory alloy vibration damping and isolation component 30, which is not limited by conditions such as temperature, friction, and load-bearing capacity. It has continuous, reliable and excellent vibration damping and isolation performance and is suitable for various environments.

[0041] Furthermore, the intelligent composite seismic isolation bearing 100 may also include intelligent materials, which may be, but are not limited to, piezoelectric materials or magnetostrictive materials. The intelligent materials are integrated and installed on the fixed base 10. Based on the shape memory alloy seismic isolation component 30, the intelligent materials can respond to changes in external conditions (such as seismic waves), thereby actively adjusting the stiffness and damping characteristics of the intelligent composite seismic isolation bearing 100, further improving the seismic resistance.

[0042] In other words, under normal working conditions, the intelligent composite seismic isolation bearing 100 mainly relies on the seismic isolation spring 20 and the shape memory alloy seismic isolation component 30 for vibration reduction; however, when encountering a strong earthquake, by activating the intelligent material or changing the structure of the connecting column 42, it can achieve a higher damping effect and stiffness adjustment to adapt to the seismic isolation needs of different levels of earthquakes.

[0043] Furthermore, the various functional components of the intelligent composite vibration damping and isolation bearing 100 in this application (such as vibration damping and isolation springs 20, shape memory alloy vibration damping and isolation components 30, etc.) can adopt a modular structure design. Each module has an independent vibration damping and isolation function, and the modules can be assembled or disassembled through a quick connection mechanism (such as a quick-release joint mechanism). This not only improves construction efficiency, but also facilitates future maintenance and replacement of damaged parts.

[0044] Furthermore, a temperature control device is also installed inside the mounting base 10. The temperature control device includes a temperature sensor, a temperature regulator, and a controller. The temperature sensor and the temperature regulator are electrically connected to the controller. The temperature sensor detects the ambient temperature and feeds back the temperature signal to the controller, enabling the controller to send instructions to the temperature regulator to adjust the ambient temperature inside the mounting base 10, thereby mitigating the impact of temperature changes on the performance of the shape memory alloy vibration damping component 30.

[0045] The shock-absorbing spring 20 is preferably made of high-strength, high-durability spring material to ensure its stability and service life, such as carbon steel, alloy steel, titanium alloy, etc.

[0046] In an optional embodiment, the fixing base 10 includes a base plate 12 and an annular surrounding plate 13. The annular surrounding plate 13 is disposed on one side of the base plate 12 in the thickness direction, and the annular surrounding plate 13 and the base plate 12 form a receiving groove 11. The base plate 12 and the annular surrounding plate 13 can be integrally formed or detachably assembled; for example, in this application, the base plate 12 and the annular surrounding plate 13 are used as an integrally formed structure to obtain sufficient connection strength and seismic performance. Furthermore, the formation of the receiving groove 11 is simple.

[0047] Furthermore, the base plate 12 and the annular surrounding plate 13 are made of high-strength materials with a certain thickness, such as alloy steel, to ensure that they will not crack or deform under strong earthquakes. A reinforcing structure, such as reinforcing ribs, is also added at the connection between the base plate 12 and the annular surrounding plate 13 to improve the connection strength and structural stability. Preferably, multiple reinforcing ribs are provided, and these ribs are evenly spaced along the annular connection between the base plate 12 and the annular surrounding plate 13.

[0048] Please continue reading. Figure 1 A floating gap 50 is formed between the end face of the annular surrounding plate 13 away from the base plate 12 and the carrier plate 41. Understandably, when an earthquake occurs, the damping and isolation spring 20 will inevitably cause the carrier plate 41 to float up and down by its own elastic expansion and contraction deformation to offset the vertically transmitted vibration force. By forming a sufficient floating gap 50 between the end face of the carrier plate 41 and the annular surrounding plate 13, it can effectively avoid the rigid collision between the carrier plate 41 and the annular surrounding plate 13, which would cause damage to the damping and isolation support. At the same time, it cannot effectively block the vibration from being transmitted to the electrical equipment on the carrier plate 41, and there is still a risk of damage to the electrical equipment.

[0049] Please continue reading. Figure 3Furthermore, a fixed bracket 60 formed on the base plate 12 is provided inside the receiving groove 11, and the shape memory alloy vibration damping component 30 is connected and fixed to the fixed bracket 60. The fixed bracket 60 plays a limiting and fixing role for the shape memory alloy vibration damping component 30 to ensure its installation stability.

[0050] Specifically, in one optional embodiment, the fixed bracket 60 includes a first fixed post 61 and a second fixed post 62 arranged at intervals opposite to each other. The shape memory alloy damping and isolation component 30 includes a first arc-shaped alloy plate 31, a second arc-shaped alloy plate 32, a first connector 33, and a second connector 34. The concave surfaces of the first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32 are arranged opposite to each other and form an insertion hole. The first connector 33 connects one end of the first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32 in the length direction. The second connector 34 connects the other end of the first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32 in the length direction. The end of the connecting post 42 away from the carrier plate 41 is inserted into the insertion hole and abuts against the first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32.

[0051] The first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32 can be assembled into one unit through the first connector 33 and the second connector 34. The concave surfaces of the first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32 are arranged facing each other to form an insertion hole. The connecting post 42 is directly inserted into the insertion hole, allowing for simple and quick assembly of the movable seat 40 and the fixed seat 10. Furthermore, the first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32 are designed with an arc shape, making it easier for them to bend and deform when horizontal vibration forces are generated, thereby eliminating the horizontal vibration force. After the vibration force disappears, they are more likely to return to their initial shape, thus clamping the connecting post 42 a second time.

[0052] Please continue reading. Figure 3 Based on the above embodiment, the base plate 12 is recessed to form a clearance groove 121, the fixing bracket 60 is disposed in the clearance groove 121, and the shape memory alloy vibration damping component 30 is located above the clearance groove 121, with the bottom surface of the shape memory alloy vibration damping component 30 tangentially arranged to the surface of the base plate 12. With this arrangement, since the shape memory alloy vibration damping component 30 is located above the clearance groove 121 and its bottom surface does not extend into the clearance groove 121, the contact area between the shape memory alloy vibration damping component 30 and the base plate 12 can be reduced. This reduces the frictional resistance exerted by the base plate 12 on the shape memory alloy vibration damping component 30 during expansion and contraction, thereby completely eliminating horizontal vibration forces and improving the vibration damping effect.

[0053] In another embodiment, the diameter of the connecting post 42 is smaller than the diameter at the widest point of the clearance groove 121. When the first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32 undergo horizontal expansion and contraction deformation, the connecting post 42 will also be displaced under vibration due to the temporary loss of contact between the first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32. At this time, the clearance groove 121 can provide a certain amount of space for the displacement of the connecting post 42.

[0054] Please continue reading. Figure 3 Furthermore, based on any of the above embodiments, the first connector 33 is slidably connected and assembled with the first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32, and the opposite ends of the first connector 33 extend out of the opposite sides of the first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32, respectively, and the two protruding ends of the first connector 33 are respectively screwed with a first nut.

[0055] Similarly, the second connector 34 is slidably connected to the first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32, and the two opposite ends of the second connector 34 extend out of the opposite sides of the first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32, respectively. The two protruding ends of the second connector 34 are respectively screwed with second nuts.

[0056] Adjusting the tightness of the first nut and / or the second nut can flexibly change the curvature of the first arc-shaped alloy plate 31 and the second arc-shaped alloy plate 32, thereby adjusting their seismic isolation and damping performance to suit working scenarios with different earthquake intensities.

[0057] To facilitate the connection and fixation of the fixed base to the structural foundation and the connection and fixation of the movable seat 40 to the electrical equipment, the bottom surface of the fixed seat 10 and the top surface of the carrier plate 41 are provided with welding parts or screw connections.

[0058] Please continue reading. Figure 3 Based on any of the above embodiments, in a preferred embodiment of this application, multiple vibration-damping springs 20, shape memory alloy vibration-damping components 30, and connecting columns 42 are provided. The vibration-damping springs 20 and shape memory alloy vibration-damping components 30 are arranged alternately and at intervals along the circumferential direction of the receiving groove 11, and the connecting columns 42 are connected to the shape memory alloy vibration-damping components 30 in a corresponding manner. On the one hand, the movable seat 40 obtains better support stability to ensure stable loading of electrical equipment; on the other hand, multiple vibration-damping springs 20 and multiple shape memory alloy vibration-damping components 30 can be used simultaneously to absorb vertical and horizontal vibration forces, thereby enhancing the vibration-damping capability of the intelligent composite vibration-damping support 100.

[0059] Furthermore, the fixed base 10 is also equipped with a safety locking mechanism, and a locking seat is correspondingly installed on the structural base. The locking mechanism is connected to the locking seat to lock the fixed base 10 to the structural base. This arrangement can prevent the fixed base 10 from failing in extreme cases. For example, the safety locking mechanism and the locking seat can be used together to form one of the following: a mechanical lock, an electromagnetic lock, etc.

[0060] like Figure 1 As shown, a buffer mechanism 70 (such as a buffer spring, rubber block, etc.) is further provided between the connecting column 42 and the shape memory alloy damping and isolation component 30 to reduce the direct rigid impact collision and vibration between the two under vibration environment.

[0061] Furthermore, based on any of the above embodiments, the intelligent composite seismic isolation bearing 100 may also include an intelligent monitoring device 80, an adjustable damper 90, and a control system. One end of the adjustable damper 90 is connected to the fixed base 10 and / or the movable base 40, and the other end is used for mounting on the structural foundation. The intelligent monitoring device 80 can be mounted on the fixed base 10 and / or the movable base 40 to detect the velocity, displacement, and acceleration of the fixed base 10 and / or the movable base 40 during an earthquake. The monitored data is transmitted to the control system, which can issue commands to the adjustable damper 90 based on the monitoring results, so that the adjustable damper 90 applies damping forces of different magnitudes and directions to the fixed base 10 and / or the movable base 40, so that the intelligent composite seismic isolation bearing 100 can obtain different seismic isolation performances, meeting the seismic isolation needs of different types of power equipment (such as different weights and shapes) and under different seismic conditions, greatly improving the intelligence level and seismic performance of the intelligent composite seismic isolation bearing 100.

[0062] For example, the intelligent monitoring device 80 can be, but is not limited to, a displacement sensor, a velocity sensor, an acceleration sensor, etc. The adjustable damper 90 can be a hydraulic cylinder, an oil cylinder, etc.

[0063] The technical features of the above embodiments can be combined in any way. For the sake of brevity, not all possible combinations of the technical features in the above embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.

[0064] The embodiments described above are merely illustrative of several implementation methods of this application, and while the descriptions are relatively specific and detailed, they should not be construed as limiting the scope of the patent application. It should be noted that those skilled in the art can make various modifications and improvements without departing from the concept of this application, and these all fall within the protection scope of this application. Therefore, the protection scope of this patent application should be determined by the appended claims.

Claims

1. An intelligent composite seismic isolation bearing, characterized in that, include: A fixed base is provided with a receiving groove and a smart material is provided on the fixed base. The smart material can respond to changes in external conditions, thereby actively adjusting the stiffness and damping characteristics of the smart composite seismic isolation bearing. A vibration damping spring, wherein the vibration damping spring is disposed in the receiving groove and extends in the vertical direction; A shape memory alloy vibration damping component, wherein the shape memory alloy vibration damping component is disposed within the receiving groove and arranged in a horizontal plane; and... The movable seat includes a connected carrier plate and a connecting column, the connecting column is connected to the shape memory alloy damping and isolation component, and the carrier plate abuts against the damping and isolation spring; The shape memory alloy vibration damping component includes a first arc-shaped alloy plate, a second arc-shaped alloy plate, a first connector, and a second connector. The concave surfaces of the first arc-shaped alloy plate and the second arc-shaped alloy plate are arranged opposite each other and form an insertion hole. The first connector connects one end of the first arc-shaped alloy plate and the second arc-shaped alloy plate along their length direction. The second connector connects the other end of the first arc-shaped alloy plate and the second arc-shaped alloy plate along their length direction. The end of the connecting post away from the carrier plate is inserted into the insertion hole and abuts against the first arc-shaped alloy plate and the second arc-shaped alloy plate. The first connector is slidably connected to the first arc-shaped alloy plate and the second arc-shaped alloy plate, and the opposite ends of the first connector extend out of the opposite sides of the first arc-shaped alloy plate and the second arc-shaped alloy plate, respectively. The two protruding ends of the first connector are respectively screwed with a first nut. The second connector is slidably connected to the first arc-shaped alloy plate and the second arc-shaped alloy plate, and the two opposite ends of the second connector extend out of the opposite sides of the first arc-shaped alloy plate and the second arc-shaped alloy plate, respectively. The two protruding ends of the second connector are respectively screwed with a second nut. Multiple vibration damping springs, shape memory alloy vibration damping components, and connecting columns are provided. The vibration damping springs and shape memory alloy vibration damping components are arranged alternately and at intervals along the circumference of the receiving groove, and the connecting columns are connected to the shape memory alloy vibration damping components one by one.

2. The intelligent composite seismic isolation bearing according to claim 1, characterized in that, The fixed base includes a base plate and an annular surrounding plate. The annular surrounding plate is disposed on one side of the base plate in the thickness direction, and the annular surrounding plate and the base plate together form the receiving groove.

3. The intelligent composite seismic isolation bearing according to claim 2, characterized in that, A floating gap is formed between the end face of the annular surrounding plate away from the bottom plate and the carrier plate.

4. The intelligent composite seismic isolation bearing according to claim 3, characterized in that, A reinforcing structure is also added at the connection between the base plate and the annular surrounding plate.

5. The intelligent composite seismic isolation bearing according to claim 4, characterized in that, The receiving groove is provided with a fixed bracket formed on the base plate, and the shape memory alloy vibration damping component is connected and fixed to the fixed bracket.

6. The intelligent composite seismic isolation bearing according to claim 5, characterized in that, The base plate is recessed to form a clearance groove, the fixed bracket is disposed in the clearance groove, the shape memory alloy vibration damping component is located above the clearance groove, and the bottom surface of the shape memory alloy vibration damping component is tangent to the surface of the base plate.

7. The intelligent composite seismic isolation bearing according to claim 6, characterized in that, The fixed support includes a first fixed column and a second fixed column that are spaced apart and opposite to each other.

8. The intelligent composite seismic isolation bearing according to claim 6, characterized in that, The diameter of the connecting column is smaller than the diameter of the widest part of the clearance groove.

9. The intelligent composite seismic isolation bearing according to claim 1, characterized in that, The bottom surface of the fixed base and the top surface of the carrier plate are provided with welding parts or screw connections.

10. The intelligent composite seismic isolation bearing according to any one of claims 1 to 9, characterized in that, The fixed base is also equipped with a temperature control device, which includes a temperature sensor, a temperature regulator and a controller. The temperature sensor and the temperature regulator are electrically connected to the controller. And / or, the fixed base is also equipped with a safety locking mechanism, and a locking seat is correspondingly installed on the structural base. The safety locking mechanism is connected to the locking seat to lock the fixed base on the structural base. And / or, a buffer mechanism is also provided between the connecting column and the shape memory alloy vibration damping component; And / or, the intelligent composite seismic isolation bearing further includes an intelligent monitoring device, an adjustable damper, and a control system. The intelligent monitoring device can be installed on the fixed seat and / or the movable seat to detect the velocity, displacement, and acceleration values ​​of the fixed seat and / or the movable seat during an earthquake. The monitored data is transmitted to the control system, which can issue commands to the adjustable damper based on the monitoring results, so that the adjustable damper applies damping forces of different magnitudes and directions to the fixed seat and / or the movable seat.

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