A new vibration isolation device

Abstract

The present invention relates to the technical field of civil engineering, and discloses a novel vibration isolation device, which includes a lower vibration isolation structure and an upper vibration isolation structure connected together. The upper vibration isolation structure includes an upper connecting plate, a lower connecting plate, and a vibration isolation mechanism arranged between the upper connecting plate and the lower connecting plate. Multiple groups of protrusions are integrally formed at equal intervals on the side wall of the upper connecting plate, and each protrusion is connected to the lower connecting plate through a wire. The lower vibration isolation structure includes an insertion component and a plug-in component inserted together, and multiple groups of disc springs I are arranged between the insertion component and the plug-in component. The multiple groups of disc springs I are arranged with concave surfaces facing each other. For this novel vibration isolation device, the upper vibration isolation structure and the lower vibration isolation structure can be used separately or combined together to form a three-dimensional vibration isolation device; as required, the device can either adopt friction energy dissipation or use viscoelastic materials for energy dissipation, making it more flexible to use.

Description

Technical Field

[0001] The present invention relates to the technical field of civil engineering, and specifically to a novel vibration isolation device. Background Art

[0002] As one of the natural disasters that have the greatest impact on the damage of civil engineering structures, vibration - earthquake is one of the natural disasters that humans need to face. Due to its randomness and suddenness, earthquakes are difficult to accurately predict and often cause catastrophic consequences. The traditional seismic design method for structures relies on increasing the strength and deformation capacity of the structure itself to resist earthquakes. At this time, a large amount of seismic energy is allowed to be transmitted from the ground to the structure. In fact, in addition to earthquakes, environmental vibrations, wind vibrations, etc. will also affect people's production and life.

[0003] To reduce the destructive effects of various vibrations, the vibration reduction control method is introduced, which refers to reducing the vibration response of the structure through methods such as vibration isolation, energy dissipation, applying external forces, and adjusting the dynamic characteristics of the structure, so as to ensure the safety of the structure itself. It has the advantages of safety and reliability, higher effectiveness, economic savings, and a wide range of applications, and is an effective technology for reducing the impact of vibrations.

[0004] Vibration isolation (seismic isolation) is a mature method with wide applications. However, the current vibration isolation technology has residual deformation after earthquake or vibration, and mainly focuses on horizontal vibration isolation. There are few vibration isolation devices for vertical vibration, and the vibration reduction effect is limited. It needs to be improved to adapt to new engineering problems. Therefore, we propose a novel vibration isolation device. Summary of the Invention

[0005] (I) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the present invention provides a novel vibration isolation device, which solves the above - mentioned problems.

[0007] (II) Technical Solutions

[0008] To achieve the above - mentioned purpose, the present invention provides the following technical solution: A novel vibration isolation device includes a lower seismic isolation structure and an upper seismic isolation structure connected together. The upper seismic isolation structure includes an upper connecting plate, a lower connecting plate, and a seismic isolation mechanism arranged between the upper connecting plate and the lower connecting plate. Multiple groups of protrusions are integrally formed at equal intervals on the side wall of the upper connecting plate, and each protrusion is connected to the lower connecting plate through a wire.

[0009] The lower seismic isolation structure includes an insertion component and a plug - in component inserted together, and multiple groups of disc springs I are arranged between the insertion component and the plug - in component, and the multiple groups of disc springs I are arranged with concave surfaces facing each other.

[0010] Preferably, the seismic isolation mechanism includes a viscoelastic material layer I and a curved concave - shaped plate, and the viscoelastic material layer I and the curved concave - shaped plate are arranged at intervals between the upper connecting plate and the lower connecting plate.

[0011] Preferably, the insertion component includes an outer shell I, an inner shell I, an inner shell II, and an inner shell III, and the plugging component includes a plugging ring I, a plugging ring II, a plugging ring III, and a plugging rod I. The tops of the plugging ring I, the plugging ring II, the plugging ring III, and the plugging rod I are fixedly connected to the bottom of the lower connecting plate. The plugging ring I is plugged between the outer shell I and the inner shell I, the plugging ring II is plugged between the inner shell I and the inner shell II, the plugging ring III is plugged between the inner shell II and the inner shell III, and the plugging rod I is plugged inside the inner shell III. Elastic material layers II are provided in the gaps between the plugging ring I and the outer shell I and the inner shell I, between the plugging ring II and the inner shell I, between the plugging ring III and the inner shell II and the inner shell III, and between the plugging ring III and the inner shell III. The disc spring I is arranged in the gap between the plugging ring II and the inner shell II.

[0012] Preferably, the vibration isolation mechanism includes multiple groups of curved concave friction plates that are attached to each other vertically.

[0013] Preferably, the insertion component includes an outer shell II, an inner shell IV, an inner shell V, a plugging rod II, and a disc spring I. The plugging component includes a plugging ring IV, a plugging ring V, a plugging ring VI, and a plugging ring VII. The disc spring I is arranged between the inner shell IV and the plugging ring VI and is located above the bottom connecting plate. The plugging ring IV is plugged between the outer shell II and the inner shell IV, the plugging ring V is arranged between the disc spring I and the plugging ring II, the plugging ring VI is arranged between the inner shell V and the disc spring I, and the plugging ring VII is arranged between the inner shell V and the plugging rod II. The plugging rod II is plugged inside the plugging ring VII. The contact surfaces between the plugging ring IV and the outer shell II and the inner shell IV, between the plugging ring V and the inner shell IV, between the plugging ring VI and the inner shell V, and between the plugging ring VII and the plugging rod II and the inner shell V are all friction surfaces.

[0014] (III) Beneficial effects

[0015] Compared with the prior art, the present invention provides a new type of vibration isolation device, which has the following beneficial effects:

[0016] 1. For this new type of vibration isolation device, the upper vibration isolation structure can achieve self-resetting through the concave curved plate, reducing the residual deformation after deformation; the lower vibration isolation structure can achieve high vertical bearing capacity through the disc spring and at the same time has vertical energy dissipation, so the vibration isolation effect is excellent.

[0017] 2. For this new type of vibration isolation device, the upper vibration isolation structure and the lower vibration isolation structure can be used separately or combined together as a three-dimensional vibration isolation device; according to needs, the device can either use friction energy dissipation or viscoelastic material energy dissipation, making it more flexible to use. Description of the drawings

[0018] Figure 1 It is a schematic diagram of a viscoelastic material three-dimensional vibration isolation device;

[0019] Figure 2 Schematic diagram of the upper shock isolation structure in the three-dimensional shock isolation device made of viscoelastic material;

[0020] Figure 3 Schematic diagram of the upper connecting plate;

[0021] Figure 4 Schematic diagram of the lower connecting plate;

[0022] Figure 5 Schematic sectional view of the upper shock isolation structure in the three-dimensional shock isolation device made of viscoelastic material;

[0023] Figure 6 Schematic diagram of the lower shock isolation structure in the three-dimensional shock isolation device made of viscoelastic material;

[0024] Figure 7 Schematic diagram of the second viscoelastic material layer;

[0025] Figure 8 Schematic diagram of the insertion component;

[0026] Figure 9 Schematic sectional view of the three-dimensional shock isolation device made of viscoelastic material;

[0027] Figure 10 Schematic diagram of the first disc spring;

[0028] Figure 11 Schematic diagram of the upper shock isolation structure in the friction three-dimensional shock isolation device;

[0029] Figure 12 Schematic sectional view of the upper shock isolation structure in the friction three-dimensional shock isolation device;

[0030] Figure 13 Schematic sectional view of the upper shock isolation structure in the friction three-dimensional shock isolation device.

[0031] In the figure: 1. Lower shock isolation structure; 2. Upper shock isolation structure; 3. Upper connecting plate; 4. Lower connecting plate; 5. Protrusion; 6. Drawing wire; 7. First viscoelastic material layer; 8. Curved concave plate; 9. Insertion component; 10. Plug-in component; 11. Second viscoelastic material layer; 12. Outer shell one; 13. Inner shell one; 14. Inner shell two; 15. Inner shell three; 16. First disc spring; 17. Plug-in ring one; 18. Plug-in ring two; 19. Plug-in ring three; 20. Plug-in rod one; 21. Curved concave friction plate; 22. Plug-in ring four; 23. Plug-in ring five; 24. Plug-in ring six; 25. Plug-in ring seven; 26. Bottom connecting plate; 27. Outer shell two; 28. Inner shell four; 29. Inner shell five; 30. Plug-in rod two. Detailed implementation manners

[0032] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0033] A three-dimensional vibration isolation device made of viscoelastic material. Refer to Figures 1 - 10 , Embodiment 1: A novel vibration isolation device, including a lower vibration isolation structure 1 and an upper vibration isolation structure 2 connected together. The upper vibration isolation structure 2 includes an upper connecting plate 3, a lower connecting plate 4, a first viscoelastic material layer 7, and a curved concave plate 8. The first viscoelastic material layer 7 and the curved concave plate 8 are arranged at intervals between the upper connecting plate 3 and the lower connecting plate 4. A plurality of groups of protrusions 5 are integrally formed at equal intervals on the side wall of the upper connecting plate 3. Each protrusion 5 is connected to the lower connecting plate 4 through a wire drawing 6. A plurality of groups of the first viscoelastic material layer 7 and the curved concave plate 8 are provided according to actual situations.

[0034] The lower vibration isolation structure 1 includes an insertion component 9 and a plugging component 10 inserted together, and a plurality of groups of first disc springs 16 are arranged between the insertion component 9 and the plugging component 10. The plurality of groups of first disc springs 16 are arranged with concave surfaces facing each other.

[0035] The insertion component 9 includes an outer shell 12, an inner shell 13, an inner shell 14, and an inner shell 15. The plugging component 10 includes a plugging ring 17, a plugging ring 18, a plugging ring 19, and a plugging rod 20. A gap is reserved between the ends of the plugging ring 17, the plugging ring 18, the plugging ring 19, and the plugging rod 20 and the bottom inner wall of the insertion component 9. The function of the gap is to allow the plugging component 10 to have space for downward movement. The tops of the plugging ring 17, the plugging ring 18, the plugging ring 19, and the plugging rod 20 are all fixedly connected to the bottom of the lower connecting plate 4. The plugging ring 17 is inserted between the outer shell 12 and the inner shell 13, the plugging ring 18 is inserted between the inner shell 13 and the inner shell 14, the plugging ring 19 is inserted between the inner shell 14 and the inner shell 15, and the plugging rod 20 is inserted inside the inner shell 15. Second viscoelastic material layers 11 are arranged in the gaps between the plugging ring 17 and the outer shell 12 and the inner shell 13, between the plugging ring 18 and the inner shell 13, between the plugging ring 19 and the inner shell 14 and the inner shell 15, and between the plugging ring 19 and the inner shell 15. The first disc springs 16 are arranged in the gap between the plugging ring 18 and the inner shell 14.

[0036] The wire drawing 6 is made of shape memory alloy SMA, and when horizontally deformed, the wire drawing 6 plays a role in assisting in resetting.

[0037] The outer shell 12, the inner shell 13, the inner shell 14, the inner shell 15, the insertion ring 17, the insertion ring 18, and the insertion ring 19 are all provided with multiple groups according to the actual situation.

[0038] The friction three-dimensional vibration isolation device, refer to Figures 11 - 12 , Embodiment 2: On the basis of Embodiment 1:

[0039] A novel vibration isolation device includes a lower vibration isolation structure 1 and an upper vibration isolation structure 2 connected together. The upper vibration isolation structure 2 includes an upper connection plate 3, a lower connection plate 4, and a vibration isolation mechanism disposed between the upper connection plate 3 and the lower connection plate 4. The vibration isolation mechanism includes multiple groups of curved concave friction plates 21 that are in contact with each other up and down. The multiple groups of curved concave friction plates 21 are disposed between the upper connection plate 3 and the lower connection plate 4. Multiple groups of protrusions 5 are integrally formed at equal distances on the side wall of the upper connection plate 3, and each protrusion 5 is connected to the lower connection plate 4 through a wire drawing 6.

[0040] The lower vibration isolation structure 1 includes an insertion component 9 and an insertion component 10 that are inserted together, and multiple groups of disc springs 16 are disposed between the insertion component 9 and the insertion component 10. The multiple groups of disc springs 16 are arranged with concave surfaces facing each other.

[0041] The insertion component 9 includes an outer shell 27, an inner shell 28, an inner shell 29, an insertion rod 30, and a disc spring 16. The insertion component 10 includes an insertion ring 22, an insertion ring 23, an insertion ring 24, and an insertion ring 25. There is a gap between the insertion ring 22, the insertion ring 23, the insertion ring 24, and the insertion ring 25 and the bottom inner wall of the insertion component 9. The function of the gap is to allow the insertion component 10 to have space for downward movement. The insertion ring 22, the insertion ring 23, the insertion ring 24, and the insertion ring 25 are all connected to the bottom of the lower connection plate 4. The disc spring 16 is disposed between the inner shell 28 and the insertion ring 24. The disc spring 16 is located above the bottom connection plate 26. And the insertion ring 22 is inserted between the outer shell 27 and the outer shell 27. The insertion ring 23 is disposed between the disc spring 16 and the insertion ring 18. The insertion ring 24 is disposed between the inner shell 29 and the disc spring 16. The insertion ring 25 is disposed between the inner shell 29 and the insertion rod 30. And the insertion rod 30 is inserted inside the insertion ring 25. The contact surfaces between the insertion ring 22 and the outer shell 27 and the inner shell 28, the contact surface between the insertion ring 23 and the inner shell 28, the contact surface between the insertion ring 24 and the inner shell 29, and the contact surfaces between the insertion ring 25 and the insertion rod 30 and the inner shell 29 are all friction surfaces.

[0042] The above two groups of embodiments have introduced in detail the components of the friction three-dimensional vibration isolation device and the viscoelastic material three-dimensional vibration isolation device. At the same time, in this solution, the lower vibration isolation structure 1 and the upper vibration isolation structure 2 can be assembled together to form a friction three-dimensional vibration isolation device or a viscoelastic material three-dimensional vibration isolation device, and can also be used separately.

[0043] After the device is subjected to a downward pressure, the disc spring contracts, and the plugging component 10 moves downward. A displacement occurs between the plugging component 10 and the insertion component 9. Through the friction surface between the plugging component 10 and the insertion component 9 or the viscoelastic material layer II 11, an upward reverse acting force is generated between the plugging component 10 and the insertion component 9 to form self-balancing. After the downward acting force is restored, the disc spring rebounds, causing the entire device to reset.

[0044] Although the embodiments of the present invention have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A novel vibration isolation device, characterized in that, It includes a lower isolation structure (1) and an upper isolation structure (2) connected together. The upper isolation structure (2) includes an upper connection plate (3), a lower connection plate (4), and an isolation mechanism disposed between the upper connection plate (3) and the lower connection plate (4). Multiple groups of protrusions (5) are integrally formed at equal intervals on the side wall of the upper connection plate (3), and each protrusion (5) is connected to the lower connection plate (4) through a wire drawing (6); The lower isolation structure (1) includes an insertion component (9) and a plug-in component (10) inserted together, and multiple groups of first disc springs (16) are arranged between the insertion component (9) and the plug-in component (10), and the multiple groups of first disc springs (16) are arranged with concave surfaces facing each other; The isolation mechanism includes a first viscoelastic material layer (7) and a curved concave plate (8), and the first viscoelastic material layer (7) and the curved concave plate (8) are arranged at intervals between the upper connection plate (3) and the lower connection plate (4); The insertion component (9) includes an outer shell one (12), an inner shell one (13), an inner shell two (14), and an inner shell three (15); The plug-in component (10) includes a plug-in ring one (17), a plug-in ring two (18), a plug-in ring three (19), and a plug-in rod one (20); The tops of the plug-in ring one (17), the plug-in ring two (18), the plug-in ring three (19), and the plug-in rod one (20) are fixedly connected to the bottom of the lower connection plate (4) together, and the plug-in ring one (17) is inserted between the outer shell one (12) and the inner shell one (13), the plug-in ring two (18) is inserted between the inner shell one (13) and the inner shell two (14), the plug-in ring three (19) is inserted between the inner shell two (14) and the inner shell three (15), and the plug-in rod one (20) is inserted inside the inner shell three (15); Second viscoelastic material layers (11) are arranged in the gaps between the plug-in ring one (17) and the outer shell one (12) and the inner shell one (13), between the plug-in ring two (18) and the inner shell one (13), between the plug-in ring three (19) and the inner shell two (14) and the inner shell three (15), and between the plug-in ring three (19) and the inner shell three (15), and the first disc springs (16) are arranged in the gap between the plug-in ring two (18) and the inner shell two (14); The wire drawing (6) is made of shape memory alloy SMA.

2. A novel vibration isolation device, characterized in that, It includes a lower isolation structure (1) and an upper isolation structure (2) connected together. The upper isolation structure (2) includes an upper connection plate (3), a lower connection plate (4), and an isolation mechanism disposed between the upper connection plate (3) and the lower connection plate (4). Multiple groups of protrusions (5) are integrally formed at equal intervals on the side wall of the upper connection plate (3), and each protrusion (5) is connected to the lower connection plate (4) through a wire drawing (6); The lower isolation structure (1) includes an insertion component (9) and a plug-in component (10) inserted together, and multiple groups of first disc springs (16) are arranged between the insertion component (9) and the plug-in component (10), and the multiple groups of first disc springs (16) are arranged with concave surfaces facing each other The isolation mechanism includes multiple groups of curved concave friction plates (21) that are attached to each other up and down; The wire drawing (6) is made of shape memory alloy SMA; The insertion component (9) includes an outer shell II (27), an inner shell IV (28), an inner shell V (29), a plug rod II (30), and a disc spring I (16); The plugging component (10) includes a plugging ring IV (22), a plugging ring V (23), a plugging ring VI (24), and a plugging ring VII (25); The disc spring I (16) is arranged between the inner shell IV (28) and the plugging ring VI (24). The disc spring I (16) is located above the bottom connecting plate (26). The plugging ring IV (22) is plugged between the outer shell II (27) and the outer shell II (27). The plugging ring V (23) is arranged between the disc spring I (16) and the plugging ring II (18). The plugging ring VI (24) is arranged between the inner shell V (29) and the disc spring I (16). The plugging ring VII (25) is arranged between the inner shell V (29) and the plug rod II (30). The plug rod II (30) is plugged inside the plugging ring VII (25); The contact surfaces between the plugging ring IV (22) and the outer shell II (27) and the inner shell IV (28), the contact surface between the plugging ring V (23) and the inner shell IV (28), the contact surface between the plugging ring VI (24) and the inner shell V (29), and the contact surfaces between the plugging ring VII (25) and the plug rod II (30) and the inner shell V (29) are all friction surfaces.

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