Metal damper for bridge shock absorption and energy consumption

Abstract

The utility model discloses a metal damper for bridge shock absorption and energy consumption, which comprises a top plate and a bottom plate, a first metal damping plate and a second metal damping plate are fixedly connected between the top plate and the bottom plate through bolts, and the first metal damping plate and the second metal damping plate are both arranged to be in a double-round square ring shape; metal damping elements are arranged in the first metal damping plate and the second metal damping plate. The metal damping element is composed of two symmetrical third metal damping plates. The metal damping plate III is arc-shaped; the anti-fatigue performance and the vibration reduction effect of the first metal damping plate and the second metal damping plate under the cyclic load effect can be improved by adding the metal damping elements, and the anti-fatigue performance of the first metal damping plate and the second metal damping plate under the cyclic load effect can be improved by adding the buffering assemblies; and certain power can be provided for resetting of the first metal damping plate, the second metal damping plate and the third metal damping plate, so that the overall damping effect is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of dampers, in particular to a metal damper used for bridge shock absorption and energy consumption. Background Art

[0002] The main function of a damper is to absorb and reduce vibration or shock energy. It is commonly used in various engineering structures and mechanical systems. Dampers play a very important role in bridge engineering. The installation of dampers can effectively reduce bridge vibration, improve driving comfort, reduce fatigue damage to the bridge structure, extend the service life of the bridge, and ensure the safety and stability of the bridge. For long-span bridges, especially suspension bridges and cable-stayed bridges, the action of wind may cause vibration phenomena such as vortex vibration and flutter on the bridge. Installing dampers can significantly reduce the impact of wind vibration and improve the performance and safety of the bridge under wind.

[0003] Common bridge dampers include hydraulic dampers, friction dampers, and metal dampers. Metal dampers rely on the plastic deformation of metal materials to absorb energy and achieve vibration reduction. However, metal materials are prone to fatigue failure under cyclic loading, making them unable to fully reset after plastic deformation, which affects repeated use and reduces their damping effectiveness. Utility Model Content

[0004] The embodiment of the present application provides a metal damper for bridge shock absorption and energy dissipation. The addition of metal damping elements can improve the fatigue resistance and vibration reduction effect of metal damping plate 1 and metal damping plate 2 under cyclic loads. The addition of buffer components can not only improve the fatigue resistance of metal damping plate 1 and metal damping plate 2 under cyclic loads, but also provide a certain amount of power for the resetting of metal damping plate 1, metal damping plate 2 and metal damping plate 3 to ensure the overall damping effect.

[0005] The embodiment of the present application provides a metal damper for bridge vibration reduction and energy dissipation, comprising a top plate and a bottom plate, wherein a first metal damping plate and a second metal damping plate are fixedly connected between the top plate and the bottom plate by bolts, and the first metal damping plate is located on the left side of the second metal damping plate;

[0006] The metal damping plate 1 and the metal damping plate 2 are arranged parallel to each other on the left and right sides. The metal damping plate 1 and the metal damping plate 2 are both arranged in a "double square ring shape". The sizes of the metal damping plate 1 and the metal damping plate 2 are equal, so that the metal damping plate 1 and the metal damping plate 2 can better exert elastic deformation to ensure that the left and right sides of the top plate are evenly stressed.

[0007] The first metal damping plate and the second metal damping plate are both provided with metal damping elements. There are at least four groups of metal damping elements, with two groups each in the first metal damping plate and the second metal damping plate.

[0008] The metal damping element consists of two mutually symmetrical metal damping plates three; the metal damping plate three is fixedly connected to the metal damping plate one and the metal damping plate two by bolts respectively; the metal damping plate three is arranged in an arc shape.

[0009] Furthermore, the metal damping plate 1, the metal damping plate 2 and the metal damping plate 3 are all made of steel plates and have rigidity.

[0010] Furthermore, the first metal damping plate and the second metal damping plate have the same stiffness, and the stiffness of the third metal damping plate is 2-3 times that of the first metal damping plate.

[0011] Furthermore, a buffer assembly is provided between the metal damping plate 1 and the metal damping plate 2, and two groups of buffer components are provided, which are arranged in parallel in front and back.

[0012] The buffer assembly further includes a mounting seat 1, a mounting seat 2, a support rod, a slider 1, a slider 2, a connecting seat 1 and a connecting seat 2;

[0013] Mounting seat 1 and mounting seat 2 are respectively fixedly connected to the inner wall of the bottom side of metal damping plate 1 and the inner wall of the bottom side of metal damping plate 2 by bolts; the support rod is fixedly connected between mounting seat 1 and mounting seat 2; slider 1 and slider 2 are both slidably mounted on the support rod; connecting seat 1 and connecting seat 2 are respectively fixedly connected to the bottom end surface of the top plate by bolts, the bottom side of connecting seat 1 is fixedly connected to connecting block 1, and the bottom side of connecting seat 2 is fixedly connected to connecting block 2; connecting rod 1 is provided between slider 1 and connecting block 1, and connecting rod 2 is provided between slider 2 and connecting block 2.

[0014] Furthermore, a connecting rod 1 is hinged to the slider 1 and the connecting block 1 respectively, and a connecting rod 2 is hinged to the slider 2 and the connecting block 2 respectively.

[0015] Furthermore, a spring tube is fixedly connected between the slider 1 and the slider 2 and is sleeved on the outside of the support rod; the spring tube has rigidity.

[0016] One or more technical solutions provided in the embodiments of the present application have at least the following technical effects or advantages: when the top plate is subjected to vertical or lateral forces, the metal damping plate 1 and the metal damping plate 2 are simultaneously deformed by the forces along with the metal damping plate 3, thereby reducing the vibration of the top plate. Furthermore, the buffer assembly also shares a portion of the vibration of the top plate, and the elastic deformation of the spring tube provides a certain amount of power for the subsequent resetting of the metal damping plate 1, the metal damping plate 2, and the metal damping plate 3. The addition of the metal damping element can improve the fatigue resistance and vibration reduction effect of the metal damping plate 1 and the metal damping plate 2 under cyclic loads. Furthermore, the addition of the buffer assembly can not only improve the fatigue resistance of the metal damping plate 1 and the metal damping plate 2 under cyclic loads, but also provide a certain amount of power for the resetting of the metal damping plate 1, the metal damping plate 2, and the metal damping plate 3, thereby ensuring the overall damping effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 Schematic diagram of the metal damper structure used for bridge vibration reduction and energy dissipation in this application Figure 1 ;

[0018] Figure 2 Schematic diagram of the metal damper structure used for bridge vibration reduction and energy dissipation in this application Figure 2 ;

[0019] Figure 3 This is a schematic diagram of the installation structure of the metal damping plate 1 and the metal damping plate 2 of this application;

[0020] Figure 4 Cross-sectional views of the metal damping plate 1 and the metal damping plate 2 of this application;

[0021] Figure 5 This is a schematic diagram of the buffer component structure of this application.

[0022] In the figure: 10 top plate, 20 bottom plate, 30 metal damping plate 1, 40 metal damping plate 2, 50 metal damping element, 60 buffer assembly, 61 mounting seat 1, 62 mounting seat 2, 63 support rod, 64 slider 1, 65 connecting rod 1, 66 connecting block 1, 67 connecting seat 1, 68 slider 2, 69 connecting rod 2, 610 connecting block 2, 611 connecting seat 2, 612 spring tube. DETAILED DESCRIPTION

[0023] To facilitate understanding of the present invention, a more comprehensive description of the present invention will be provided below with reference to the accompanying drawings. The accompanying drawings illustrate preferred embodiments of the present invention. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided to provide a more thorough and comprehensive understanding of the disclosure of the present invention.

[0024] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly attached to the other element or there may be an intermediate element. When an element is referred to as being "connected to" another element, it may be directly connected to the other element or there may be an intermediate element. The terms "vertical," "horizontal," "left," "right," and similar expressions used herein are for illustrative purposes only and do not represent the only implementation methods.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the art to which this invention pertains. The terms used herein in the specification of this invention are intended solely for the purpose of describing specific embodiments and are not intended to limit this invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items. Example

[0026] See also Figure 1-5 A metal damper for bridge vibration reduction and energy consumption, comprising a top plate 10 and a bottom plate 20,

[0027] A metal damping plate 1 30 and a metal damping plate 2 40 are fixedly connected between the top plate 10 and the bottom plate 20 by bolts. The metal damping plate 1 30 is located on the left side of the metal damping plate 2 40.

[0028] The metal damping plate 1 30 and the metal damping plate 2 40 are arranged parallel to each other. The metal damping plate 1 30 and the metal damping plate 2 40 are both arranged in a "double square ring shape". The metal damping plate 1 30 and the metal damping plate 2 40 are equal in size, so that the metal damping plate 1 30 and the metal damping plate 2 40 can better exert elastic deformation to ensure uniform force on the left and right sides of the top plate.

[0029] Metal damping elements 50 are provided in both the metal damping plate 1 30 and the metal damping plate 2 40 . There are at least four groups of metal damping elements 50 , with two groups provided in each of the metal damping plate 1 30 and the metal damping plate 2 40 . The addition of the metal damping elements 50 can improve the fatigue resistance and vibration reduction effect of the metal damping plate 1 30 and the metal damping plate 2 40 under cyclic loads.

[0030] The metal damping element 50 is composed of two mutually symmetrical metal damping plates 3; the metal damping plate 3 is fixedly connected to the metal damping plate 1 30 and the metal damping plate 2 40 by bolts respectively; the metal damping plate 3 is arranged in an arc shape.

[0031] Metal damping plate 1 30 , metal damping plate 2 40 , and metal damping plate 3 are all made of steel plates with a certain degree of rigidity. Metal damping plate 1 30 and metal damping plate 2 40 have the same rigidity, while the rigidity of metal damping plate 3 is 2-3 times that of metal damping plate 1. They can elastically deform or yield when subjected to stress, while also improving the fatigue resistance of metal damping plate 1 30 and metal damping plate 2 40 under cyclic loads.

[0032] A buffer assembly 60 is provided between the metal damping plate 1 30 and the metal damping plate 2 40. Two groups of buffer assemblies 60 are arranged in parallel in a front-to-rear manner. These assemblies can not only improve the fatigue resistance of the metal damping plates 1 30 and 2 40 under cyclic loads, but also provide a certain amount of power for the metal damping plates 1 30, 2 40, and 3 to reset, thereby ensuring the overall damping effect.

[0033] The buffer assembly 60 includes a mounting seat 1 61, a mounting seat 2 62, a support rod 63, a slider 1 64, a slider 2 68, a connecting seat 1 67 and a connecting seat 2 611;

[0034] Mounting seat 1 61 and mounting seat 2 62 are respectively fixedly connected to the inner wall of the bottom side of metal damping plate 1 30 and the inner wall of the bottom side of metal damping plate 2 40 by bolts; support rod 63 is fixedly connected between mounting seat 1 61 and mounting seat 2 62; slider 1 64 and slider 2 68 are both slidably mounted on support rod 63; connecting seat 1 67 and connecting seat 2 611 are respectively fixedly connected to the bottom end surface of top plate 10 by bolts, connecting seat 1 67 is fixedly connected to connecting block 1 66 on the bottom side, and connecting seat 2 611 is fixedly connected to connecting block 2 610 on the bottom side; connecting rod 1 65 is provided between slider 1 64 and connecting block 1 66, and connecting rod 2 69 is provided between slider 2 68 and connecting block 2 610.

[0035] The connecting rod 1 65 is hinged to the slider 1 64 and the connecting block 1 66 respectively, and the connecting rod 2 69 is hinged to the slider 2 68 and the connecting block 2 610 respectively.

[0036] A spring tube 612 is fixedly connected between slider 1 64 and slider 2 68 and is mounted on the outside of the support rod 63; the spring tube 612 has a certain rigidity, which can effectively improve the overall vibration reduction effect of the metal damper and provide a certain power for the reset of metal damping plate 1 30, metal damping plate 2 40 and metal damping plate 3.

[0037] During actual operation of the embodiment of the present application, when the top plate 10 is subjected to vertical or horizontal forces, the metal damping plate 1 30, the metal damping plate 2 40 and the metal damping plate 3 are deformed at the same time to reduce the vibration of the top plate 10, and the buffer assembly 60 also shares part of the vibration of the top plate 10, and provides a certain amount of power for the subsequent restoration of the metal damping plate 1 30, the metal damping plate 2 40 and the metal damping plate 3 through the elastic deformation of the spring tube 612.

[0038] The technical solutions in the above-mentioned embodiments of the present application have at least the following technical effects or advantages: the addition of metal damping elements can improve the fatigue resistance and vibration reduction effect of metal damping plate 1 and metal damping plate 2 under cyclic loads, and the addition of buffer components can not only improve the fatigue resistance of metal damping plate 1 and metal damping plate 2 under cyclic loads, but also provide a certain amount of power for the resetting of metal damping plate 1, metal damping plate 2 and metal damping plate 3 to ensure the overall damping effect.

[0039] The above description is merely a preferred embodiment of the present invention and is not intended to limit the present invention. A person skilled in the art will readily appreciate that the present invention is susceptible to various modifications and variations. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of the present invention shall be included within the scope of protection of the present invention.

Claims

1. A metal damper for bridge vibration reduction and energy dissipation, comprising a top plate and a bottom plate, characterized in that: A metal damping plate 1 and a metal damping plate 2 are fixedly connected between the top plate and the bottom plate by bolts, and the metal damping plate 1 is located on the left side of the metal damping plate 2; The metal damping plate 1 and the metal damping plate 2 are arranged parallel to each other, and both the metal damping plate 1 and the metal damping plate 2 are arranged in a "double square ring shape", and the sizes of the metal damping plate 1 and the metal damping plate 2 are equal; The metal damping plate 1 and the metal damping plate 2 are both provided with metal damping elements, and there are at least four groups of metal damping elements, with two groups each in the metal damping plate 1 and the metal damping plate 2; The metal damping element is composed of two mutually symmetrical metal damping plates three; the metal damping plate three is fixedly connected to the metal damping plate one and the metal damping plate two by bolts; the metal damping plate three is arranged in an arc shape; A buffer assembly is provided between the metal damping plate 1 and the metal damping plate 2, and two groups of the buffer assembly are provided, which are arranged in parallel in front and back. The buffer assembly includes a mounting seat 1, a mounting seat 2, a support rod, a slider 1, a slider 2, a connecting seat 1 and a connecting seat 2; Mounting seat 1 and mounting seat 2 are respectively fixedly connected to the inner wall of the bottom side of metal damping plate 1 and the inner wall of the bottom side of metal damping plate 2 by bolts; the support rod is fixedly connected between mounting seat 1 and mounting seat 2; slider 1 and slider 2 are both slidably mounted on the support rod; connecting seat 1 and connecting seat 2 are respectively fixedly connected to the bottom end surface of the top plate by bolts, the bottom side of connecting seat 1 is fixedly connected to connecting block 1, and the bottom side of connecting seat 2 is fixedly connected to connecting block 2; connecting rod 1 is provided between slider 1 and connecting block 1, and connecting rod 2 is provided between slider 2 and connecting block 2; A spring tube is fixedly connected between the slider 1 and the slider 2 and is sleeved on the outside of the support rod; the spring tube has a certain rigidity.

2. A metal damper for bridge vibration reduction and energy dissipation according to claim 1, characterized in that: The metal damping plate 1, the metal damping plate 2 and the metal damping plate 3 are all made of steel plates and have a certain rigidity.

3. The metal damper for bridge vibration reduction and energy dissipation according to claim 1, characterized in that: The first metal damping plate and the second metal damping plate have the same stiffness, and the stiffness of the third metal damping plate is 2-3 times that of the first metal damping plate.

4. The metal damper for bridge vibration reduction and energy dissipation according to claim 1, characterized in that: The connecting rod 1 is hinged to the slider 1 and the connecting block 1 respectively, and the connecting rod 2 is hinged to the slider 2 and the connecting block 2 respectively.

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