Damper displacement amplifying device
By designing the damper displacement amplification device, using the combination of lever principle and limiting plate, the problem of insufficient energy consumption of dampers when the interlayer displacement is small, achieving effective energy absorption and shock resistance under small displacements.
Patent Information
- Application Number
- CN202422482796.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-10-14
- Publication Date
- 2025-08-05
- Estimated Expiration
- 2034-10-14
AI Technical Summary
In the prior art, the damper is relatively small in the interlayer displacement and cannot fully demonstrate its energy consumption characteristics, resulting in the inability to effectively reduce the dynamic response of the structure under frequent earthquakes.
A damper displacement amplification device is designed to amplify the interlayer displacement through the combination of lever principle and limiting plate, ensuring that the viscous damper can fully exert its energy-consuming characteristics under small displacement.
When the interlayer displacement is small, viscous dampers can generate greater damping force, effectively absorb seismic energy, reduce structural vibration and displacement, and improve the seismic performance of the building.
Smart Images
Figure CN223189827U_ABST
Abstract
Description
Technical Field
[0001] The present application relates to the field of shock absorption technology, and in particular to a damper displacement amplification device. Background Art
[0002] Traditional seismic resistance strategies rely primarily on the strength, stiffness, and ductility of a structure to withstand earthquakes. However, in areas of high seismic intensity, this approach not only increases construction costs but also makes it difficult to repair damaged structures during strong earthquakes. In contrast, energy dissipation and shock absorption technology is an innovative approach that installs dampers at key locations within the structure. The dampers' deformation or acceleration during relative motion provides additional damping, dissipating some of the seismic energy input. This effectively reduces the structure's dynamic response to external forces and achieves the desired shock absorption and resistance effects.
[0003] However, the energy dissipation efficiency of a damper is closely related to inter-story displacement. Under frequent earthquakes, the inter-story displacement decreases due to the inherently small seismic response, preventing the damper from fully demonstrating its energy dissipation properties. Utility Model Content
[0004] The embodiment of the present application solves the technical problem in the prior art that the damper cannot fully demonstrate its energy consumption characteristics when the inter-layer displacement of the damper is small by providing a damper displacement amplification device.
[0005] The embodiment of the present application provides a damper displacement amplification device, comprising a first support, a second support, a third support, a limit plate, an amplifying lever plate, a first connecting rod, a first latch, a second latch and a viscous damper; the second support and the limit plate are fixedly connected to the top of the lower cantilever wall, and are spaced apart along the length direction of the lower cantilever wall; the limit plate is provided with a horizontal limit hole; one end of the viscous damper is hinged to the second support, and the other end thereof is provided with a first mounting hole; the first connecting rod is provided with a second mounting hole corresponding to the first mounting hole; one end of the first latch passes through the first mounting hole and the second mounting hole in sequence, and extends into the horizontal limit hole, so that The viscous damper and the first connecting rod are slidably connected to the limit plate; the connection between the viscous damper and the second support and the horizontal limit hole are located in the same horizontal plane; the side of the first connecting rod away from the viscous damper is hinged to the amplifying lever plate; the side of the amplifying lever plate away from the first connecting rod is hinged to the first support, and a third mounting hole is provided on the side of the amplifying lever plate close to the first support; the first support is fixedly connected to the bottom of the upper cantilever wall; the third support is installed on the top of the lower cantilever wall and is provided with a fourth mounting hole corresponding to the third mounting hole; one end of the second pin passes through the third mounting hole and the fourth mounting hole in sequence.
[0006] In one possible implementation, the damper displacement amplification device also includes a first anchor plate and multiple second anchor plates; the multiple second anchor plates are respectively arranged between the first support and the upper cantilever wall and between the second support and the lower cantilever wall; the first anchor plate is arranged at the bottom of the limiting plate and the third support, and its end away from the limiting plate and the third support is connected to the lower cantilever wall.
[0007] In one possible implementation, the damper displacement amplification device also includes a second connecting rod; the two ends of the second connecting rod are respectively hinged to the end of the amplification lever plate away from the first connecting rod and the end of the first support away from the upper cantilever wall; the third mounting hole is close to the second connecting rod.
[0008] In a possible implementation, the second connecting rod and the first connecting rod are respectively located on two sides of the amplifying lever plate.
[0009] In a possible implementation, the distance from the connection point between the amplifying lever plate and the second connecting rod to the third mounting hole is a; the distance from the connection point between the amplifying lever plate and the first connecting rod to the third mounting hole is 2a.
[0010] In a possible implementation, the third support is a triangular structure; and the fourth mounting hole is located at the top of the triangular structure.
[0011] In a possible implementation, the damper displacement amplification device also includes a third pin and a fourth pin; the first support includes two first connecting plates; the two first connecting plates are spaced apart and parallel to the width direction of the corresponding second anchor plate; the two first connecting plates are both provided with a fifth mounting hole; the second connecting rod is provided with a sixth mounting hole corresponding to the fifth mounting hole on the side away from the amplifying lever plate; one end of the third pin passes through one of the fifth mounting holes, the sixth mounting hole and the other fifth mounting hole in sequence; the second support includes two second connecting plates; the two second connecting plates are spaced apart and parallel to the width direction of the corresponding second anchor plate; the two second connecting plates are both provided with a seventh mounting hole; the viscous damper is provided with an eighth mounting hole corresponding to the seventh mounting hole on the side away from the first connecting rod; one end of the fourth pin passes through one of the seventh mounting holes, the eighth mounting hole and the other seventh mounting hole in sequence.
[0012] One or more technical solutions provided in the embodiments of this application have at least the following technical effects:
[0013] The damper displacement amplification device provided in the embodiments of the present application includes a first support, a second support, a third support, a limit plate, an amplifying lever plate, a first connecting rod, a first latch, a second latch, and a viscous damper. In actual operation, when the horizontal force generated by an earthquake causes interstory displacement in the structure, the upper frame beam drives the upper cantilever wall to undergo a corresponding horizontal displacement, which in turn drives the first support connected thereto to undergo horizontal movement. As the first support moves, the amplifying lever plate and the first connecting rod also move. During this process, the amplifying lever plate rotates around the second latch, effectively amplifying the interstory displacement through the lever principle between two key points on the amplifying lever plate (i.e., the distance between its connection with the first support and the second latch, and the distance between its connection with the first connecting rod and the second latch). Simultaneously, due to the horizontal limiting action of the limit plate, the first connecting rod pulls the viscous damper to move horizontally, achieving a displacement amplification effect. This displacement amplification mechanism enables the viscous damper to fully utilize its damping performance, generating a greater damping force, thereby effectively resisting earthquake effects. Therefore, when the inter-layer displacement of the damper displacement amplification device of the present application is small, the viscous damper can also give full play to its energy consumption characteristics, absorb a large amount of energy, effectively reduce the vibration and displacement of the structure, protect the safety of the building structure and internal facilities, and improve the overall seismic performance of the building. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the following is a brief introduction to the drawings required for use in the description of the embodiments of the present application. Obviously, the drawings described below are some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without any creative work.
[0015] Figure 1 A schematic structural diagram of a damper displacement amplification device provided in an embodiment of the present application;
[0016] Figure 2 A front view of the damper displacement amplification device provided in an embodiment of the present application;
[0017] Figure 3 A schematic structural diagram of the first support and the second support provided in an embodiment of the present application.
[0018] Icon: 1-first support; 101-first connecting plate; 2-second support; 21-second connecting plate; 3-third support; 4-limiting plate; 41-horizontal limiting hole; 5-magnifying lever plate; 51-third mounting hole; 6-first connecting rod; 7-first pin; 8-viscous damper; 9-upper cantilever wall; 10-lower cantilever wall; 11-first anchor plate; 12-second anchor plate; 13-second connecting rod. DETAILED DESCRIPTION
[0019] The following will be combined with the accompanying drawings in the embodiments of this application to clearly and completely describe the technical solutions in the embodiments of this application. Obviously, the embodiments described are part of the embodiments of this application, not all of the embodiments. Based on the embodiments of this application, all other embodiments obtained by ordinary technicians in this field without making any creative efforts are within the scope of protection of this application.
[0020] In the description of the embodiments of the present application, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limitations on the present application. The terms "first", "second" and "third" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance. In addition, the terms "installed", "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or an indirect connection through an intermediate medium, or it can be a communication between the two elements. For those of ordinary skill in the art, the specific meanings of the above terms in the embodiments of the present application can be understood according to the specific circumstances.
[0021] The embodiment of the present application provides a damper displacement amplification device, such as Figures 1 to 3As shown. The damper displacement amplification device includes a first support 1, a second support 2, a third support 3, a limit plate 4, an amplifying lever plate 5, a first connecting rod 6, a first latch 7, a second latch, and a viscous damper 8. The second support 2 and the limit plate 4 are both fixedly connected to the top of the lower cantilever wall 10 and are spaced apart along the length of the lower cantilever wall 10. The limit plate 4 is provided with a horizontal limit hole 41. Specifically, the horizontal limit hole 41 is an oblong hole. One end of the viscous damper 8 is hinged to the second support 2, and the other end thereof is provided with a first mounting hole. The first connecting rod 6 is provided with a second mounting hole corresponding to the first mounting hole. One end of the first latch 7 passes through the first mounting hole and the second mounting hole in sequence and extends into the horizontal limit hole 41, so that the viscous damper 8 and the first connecting rod 6 are slidably connected to the limit plate 4. The connection between the viscous damper 8 and the second support 2 and the horizontal limit hole 41 are located on the same horizontal plane. The side of the first connecting rod 6 facing away from the viscous damper 8 is hinged to the amplifying lever plate 5. The side of the amplifying lever plate 5 facing away from the first connecting rod 6 is hinged to the first support 1. A third mounting hole 51 is provided on the side of the amplifying lever plate 5 facing the first support 1. The first support 1 is fixedly connected to the bottom of the upper cantilever wall 9. The third support 3 is mounted on the top of the lower cantilever wall 10 and has a fourth mounting hole corresponding to the third mounting hole 51. One end of the second latch passes through the third mounting hole 51 and the fourth mounting hole, respectively, to enable the amplifying lever plate 5 to rotate about the second latch.
[0022] Specifically, the upper cantilever wall 9 and the lower cantilever wall 10 can be reinforced concrete walls or steel support walls. The upper cantilever wall 9 and the lower cantilever wall 10 are connected to the upper and lower frame beams respectively.
[0023] It should be noted that in actual operation, when the horizontal force generated by an earthquake causes inter-story displacement in the structure, the upper frame beam drives the upper cantilever wall 9 to undergo corresponding horizontal displacement, thereby driving the first support 1 connected thereto to undergo horizontal movement. As the first support 1 moves, the amplifying lever plate 5 and the first connecting rod 6 also move accordingly. During this process, the amplifying lever plate 5 rotates around the second latch, effectively amplifying the inter-story displacement through the lever principle between two key points on it (i.e., the distance between the connection with the first support 1 and the second latch, and the distance between the connection with the first connecting rod 6 and the second latch). At the same time, due to the horizontal limiting effect of the limit plate 4, the first connecting rod 6 pulls the viscous damper 8 to move horizontally, achieving a displacement amplification effect. This displacement amplification mechanism enables the viscous damper 8 to fully utilize its damping performance, generating a greater damping force, thereby effectively resisting earthquake effects. Therefore, when the inter-layer displacement of the damper displacement amplification device of the present application is small, the viscous damper 8 can also give full play to its energy consumption characteristics, absorb a large amount of energy, effectively reduce the vibration and displacement of the structure, protect the safety of the building structure and internal facilities, and improve the overall seismic performance of the building.
[0024] In this embodiment of the present application, the damper displacement amplification device further includes a first anchor plate 11 and multiple second anchor plates 12. The multiple second anchor plates 12 are respectively disposed between the first support 1 and the upper cantilever wall 9, and between the second support 2 and the lower cantilever wall 10. The first anchor plate 11 is disposed at the bottom of the limit plate 4 and the third support 3, with the end thereof remote from the limit plate 4 and the third support 3 connected to the lower cantilever wall 10.
[0025] It should be noted that when both the upper cantilever wall 9 and the lower cantilever wall 10 are reinforced concrete walls, the first anchor plate 11 and the second anchor plate 12 can be connected by pre-buried anchor bolts. Specifically, the first support 1 and the second support 2 are respectively welded to the corresponding second anchor plates 12, and the third support 3 and the limit plate 4 are both welded to the first anchor plate 11. This connection method is characterized by high precision and high strength.
[0026] In this embodiment of the present application, the damper displacement amplification device further includes a second connecting rod 13. The ends of the second connecting rod 13 are hingedly connected to the end of the amplification lever plate 5 away from the first connecting rod 6 and the end of the first support 1 away from the upper cantilever wall 9. The third mounting hole 51 is located proximal to the second connecting rod 13.
[0027] It should be noted that the present application utilizes the first connecting rod 6 and the second connecting rod 13 to transform the horizontal motion path of the structure into the arcuate motion path of the amplifying lever plate 5. When the upper cantilever wall 9 experiences horizontal displacement due to seismic forces, this displacement is effectively transmitted to the viscous damper 8 via the second connecting rod 13, the amplifying lever plate 5, and the first connecting rod 6. The amplifying lever plate 5 utilizes the principle of leverage to amplify a relatively small input displacement into a larger one, thereby improving the operating efficiency of the viscous damper 8.
[0028] In the embodiment of the present application, the second connecting rod 13 and the first connecting rod 6 are respectively located on both sides of the amplifying lever plate 5 .
[0029] It should be noted that because the second connecting rod 13 and the first connecting rod 6 are located on either side of the amplifying lever plate 5, they form a stable moment balance system. When external forces such as earthquakes act on the structure, this layout helps reduce the torsion and tilt of the amplifying lever plate 5, thereby ensuring the overall stability of the damper displacement amplification device.
[0030] The present application is not limited to the above structure, and the second connecting rod 13 and the first connecting rod 6 can be located on the same side of the amplifying lever plate 5 .
[0031] In the embodiment of the present application, the distance from the connection between the amplifying lever plate 5 and the second connecting rod 13 to the third mounting hole 51 is a, and the distance from the connection between the amplifying lever plate 5 and the first connecting rod 6 to the third mounting hole 51 is 2a.
[0032] It should be noted that the distance from the connection between the amplified lever plate 5 and the first connecting rod 6 to the third mounting hole 51 is twice the distance from the connection between the second connecting rod 13. This design can more effectively amplify the interlayer displacement and improve the energy consumption efficiency of the viscous damper 8.
[0033] Specifically, a first connection hole and a second connection hole are respectively provided at both ends of the amplifying lever plate 5. The first connection rod 6 is connected to the amplifying lever plate 5 through the first connection hole, and the second connection rod 13 is connected to the amplifying lever plate 5 through the second connection hole. The first connection hole, the third mounting hole 51, and the second connection hole are located on the same straight line.
[0034] The distance from the first connection hole to the third mounting hole 51 is twice the distance from the second connection hole to the third mounting hole 51 .
[0035] In the embodiment of the present application, the third support 3 is a triangular structure, and the fourth mounting hole is located at the top of the triangular structure.
[0036] It should be noted that setting the fourth mounting hole at the top of the triangular structure is conducive to precise positioning and fixing during the installation process, thereby improving installation efficiency and accuracy.
[0037] In the embodiment of the present application, the damper displacement amplification device further includes a third pin and a fourth pin. The first support 1 includes two first connecting plates 101. The two first connecting plates 101 are spaced apart and arranged in parallel along the width direction of the corresponding second anchor plate 12. Both first connecting plates 101 are provided with a fifth mounting hole. A sixth mounting hole corresponding to the fifth mounting hole is provided on the side of the second connecting rod 13 away from the amplifying lever plate 5. One end of the third pin passes through one of the fifth mounting holes, the sixth mounting hole, and the other fifth mounting hole in sequence. The second support 2 includes two second connecting plates 21. The two second connecting plates 21 are spaced apart and arranged in parallel along the width direction of the corresponding second anchor plate 12. Both second connecting plates 21 are provided with a seventh mounting hole. An eighth mounting hole corresponding to the seventh mounting hole is provided on the side of the viscous damper 8 away from the first connecting rod 6. One end of the fourth pin passes through one of the seventh mounting holes, the eighth mounting hole, and the other seventh mounting hole in sequence.
[0038] It should be noted that the first support 1 includes two parallel first connecting plates 101 spaced apart along the width of the second anchor plate 12. This design makes the first support 1 more stable and capable of withstanding greater horizontal forces and moments. The second support 2 also utilizes two parallel, spaced apart second connecting plates 21, mirroring the design of the first support 1 and maintaining the symmetry and stability of the overall structure.
[0039] Furthermore, the damper displacement amplification device of the present application can adapt to building structures of different heights and spans. By adjusting the length and angle of the amplifying lever plate 5, the displacement amplification factor can be flexibly controlled to meet different engineering requirements.
[0040] The damper displacement amplification device can be directly processed and manufactured in a factory and then installed on site, which reduces on-site operations, ensures welding quality, is more convenient and quick, and saves costs.
[0041] The various embodiments in this specification are described in a progressive manner, and the same or similar parts between the various embodiments can be referenced to each other. Each embodiment focuses on the differences from other embodiments.
[0042] The above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit the present application. Although the present application has been described in detail with reference to the aforementioned embodiments, a person of ordinary skill in the art should understand that the technical solutions described in the aforementioned embodiments can still be modified, or some or all of the technical features therein can be replaced by equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the present application.
Claims
1. A damper displacement amplification device, characterized in that: It comprises a first support (1), a second support (2), a third support (3), a limit plate (4), an amplifying lever plate (5), a first connecting rod (6), a first latch (7), a second latch and a viscous damper (8); The second support (2) and the limiting plate (4) are both fixedly connected to the top of the lower cantilever wall (10), and are spaced apart along the length direction of the lower cantilever wall (10); The limiting plate (4) is provided with a horizontal limiting hole (41); One end of the viscous damper (8) is hinged to the second support (2), and the other end thereof is provided with a first mounting hole; The first connecting rod (6) is provided with a second mounting hole corresponding to the first mounting hole; One end of the first latch (7) passes through the first mounting hole and the second mounting hole in sequence and extends into the horizontal limiting hole (41), so that the viscous damper (8) and the first connecting rod (6) are slidably connected to the limiting plate (4); The connection between the viscous damper (8) and the second support (2) and the horizontal limiting hole (41) are located on the same horizontal plane; The first connecting rod (6) is hinged to the amplifying lever plate (5) at a side away from the viscous damper (8); The side of the amplifying lever plate (5) away from the first connecting rod (6) is hinged to the first support (1), and the side of the amplifying lever plate (5) close to the first support (1) is provided with a third mounting hole (51); The first support (1) is fixedly connected to the bottom of the upper cantilever wall (9); The third support (3) is installed on the top of the lower cantilever wall (10) and is provided with a fourth mounting hole corresponding to the third mounting hole (51); One end of the second latch passes through the third mounting hole (51) and the fourth mounting hole in sequence.
2. The damper displacement amplification device according to claim 1, characterized in that: Also includes a first anchor plate (11) and a plurality of second anchor plates (12); A plurality of second anchor plates (12) are respectively arranged between the first support (1) and the upper cantilever wall (9), and between the second support (2) and the lower cantilever wall (10); The first anchor plate (11) is arranged at the bottom of the limiting plate (4) and the third support (3), and one end thereof away from the limiting plate (4) and the third support (3) is connected to the lower cantilever wall (10).
3. The damper displacement amplification device according to claim 2, characterized in that: Also includes a second connecting rod (13); The two ends of the second connecting rod (13) are respectively hinged to one end of the amplifying lever plate (5) away from the first connecting rod (6) and one end of the first support (1) away from the upper cantilever wall (9); The third mounting hole (51) is close to the second connecting rod (13).
4. The damper displacement amplification device according to claim 3, characterized in that: The second connecting rod (13) and the first connecting rod (6) are respectively located on both sides of the amplifying lever plate (5).
5. The damper displacement amplification device according to claim 3, characterized in that: The distance between the connection point between the amplifying lever plate (5) and the second connecting rod (13) and the third mounting hole (51) is a; The distance between the connection point between the amplifying lever plate (5) and the first connecting rod (6) and the third mounting hole (51) is 2a.
6. The damper displacement amplification device according to claim 1, characterized in that: The third support (3) is a triangular structure; The fourth mounting hole is located at the top of the triangular structure.
7. The damper displacement amplification device according to claim 3, characterized in that: Also included are a third pin and a fourth pin; The first support (1) comprises two first connecting plates (101); The two first connecting plates (101) are spaced apart and arranged in parallel along the width direction of the corresponding second anchor plates (12); The two first connecting plates (101) are both provided with a fifth mounting hole; A sixth mounting hole corresponding to the fifth mounting hole is provided on a side of the second connecting rod (13) away from the amplifying lever plate (5); One end of the third pin passes through one of the fifth mounting holes, the sixth mounting hole and another of the fifth mounting holes in sequence; The second support (2) comprises two second connecting plates (21); the two second connecting plates (21) are spaced apart and arranged in parallel along the width direction of the corresponding second anchor plate (12); The two second connecting plates (21) are both provided with a seventh mounting hole; An eighth mounting hole corresponding to the seventh mounting hole is provided on a side of the viscous damper (8) away from the first connecting rod (6); One end of the fourth pin passes through one of the seventh mounting holes, the eighth mounting hole and another of the seventh mounting holes in sequence.