Three-dimensional shock isolation device

Abstract

The utility model relates to the technical field of shock insulation of constructional engineering, in particular to a three-dimensional shock insulation device which comprises a shock insulation seat, a shock insulation plate is arranged on the shock insulation seat, mounting plates are arranged on the shock insulation plate and the shock insulation seat, a first shock insulation unit is arranged between the shock insulation plate and the shock insulation seat, and a second shock insulation unit is arranged between the shock insulation plate and the shock insulation seat. The first shock isolation unit comprises first fixing pieces distributed in a circumferential array mode and first shock isolation pieces distributed in a circumferential array mode, and second shock isolation units are arranged between the mounting plate and the shock isolation plate and between the mounting plate and the shock isolation base correspondingly. The second shock isolation unit comprises second fixing pieces distributed in a circumferential array mode and second shock isolation pieces arranged on the second fixing pieces. Through the cooperation of the first fixing pieces and the second fixing pieces, the shock isolation base, the shock isolation plate and the mounting plate cannot shake when subjected to small external force such as strong wind, meanwhile, the first shock isolation pieces are distributed in a circumferential array mode, and therefore the buffering effects of the first shock isolation pieces on the shock isolation plate and the shock isolation base in all directions are consistent, and the shock isolation effect is good. And the shock insulation effect on the building is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of earthquake isolation in building engineering, in particular to a three-dimensional earthquake isolation device. Background Art

[0002] Earthquakes are extremely destructive and harmful natural disasters. The enormous destructive power generated by earthquakes poses an extremely serious threat to human life safety, economic development and social order. Seismic isolation devices are devices used in various buildings, highways, bridges and structures to enable building structures or large structural facilities to have a strong ability to resist destructive forces such as earthquakes and ground movements.

[0003] The utility model patent with announcement number CN219773256U discloses a three-dimensional seismic isolation device, including an upper fixed steel member and a lower fixed steel member, wherein the upper fixed steel member is fixedly connected to the base of a building or a large component through a steel plate, and the lower fixed steel member is fixedly connected to the foundation through a steel plate, a lead core and a sliding energy absorption component are arranged between the upper fixed steel member and the lower fixed steel member, an annular rubber is arranged on the outer peripheral side of the lead core, there is a gap between the upper fixed steel member and the lower fixed steel member, and the sliding energy absorption component is located between the lead core and the lower fixed steel member, and the sliding energy absorption component makes the lower fixed steel member and the upper fixed steel member have a tendency to reset after being misaligned in the horizontal direction. The utility model solves the problem in the prior art that the rubber bearing cannot self-recover after horizontal misalignment.

[0004] However, the above patent still has shortcomings: this patent uses lead core and annular rubber to buffer the vertical force on the sliding cover plate, and uses springs and nickel-titanium alloy wires to buffer the lateral force between the support sliding shaft and the sliding cover plate. Because the annular rubber, springs and nickel-titanium alloy wires themselves are elastic, the building will also shake due to the deformation of the annular rubber, springs and nickel-titanium alloy wires when it is subjected to smaller external forces such as strong winds, affecting the stability of the building; while this patent uses the cooperation of springs and nickel-titanium alloy wires to buffer the lateral force between the support sliding shaft and the sliding cover plate, the four limit plates are not provided with springs and nickel-titanium alloy wires in two directions, so the buffering effect on the support sliding shaft is insufficient, affecting the buffering effect on the support sliding shaft. Utility Model Content

[0005] In order to make up for the above deficiencies, the utility model provides a three-dimensional seismic isolation device to solve the problems proposed in the above background technology that when the building is subjected to smaller external forces such as strong winds, it will also shake due to the deformation of the annular rubber, springs and nickel-titanium alloy wire, and the four limit plates are not provided with springs and nickel-titanium alloy wires in two directions, which has insufficient buffering effect on the supporting sliding shaft.

[0006] The technical solution of the utility model is:

[0007] A three-dimensional seismic isolation device comprises a seismic isolation seat, a seismic isolation plate is arranged on the seismic isolation seat, a mounting plate is arranged on the seismic isolation plate and the seismic isolation seat, a first seismic isolation unit is arranged between the seismic isolation plate and the seismic isolation seat, the first seismic isolation unit comprises first fixing members distributed in a circular array and first seismic isolation members distributed in a circular array, the first fixing members are used to fix the seismic isolation plate to the seismic isolation seat, the first seismic isolation members are used to buffer the lateral force between the seismic isolation plate and the seismic isolation seat, a second seismic isolation unit is arranged between the mounting plate and the seismic isolation plate and between the mounting plate and the seismic isolation seat, the second seismic isolation unit comprises second fixing members distributed in a circular array and second seismic isolation members arranged on the second fixing members, the second fixing members are used to fix the mounting plate to the seismic isolation plate and to fix the mounting plate to the seismic isolation seat, and the second seismic isolation member is used to buffer the longitudinal force between the two mounting plates.

[0008] Preferably, the top surface of the isolation seat is provided with an isolation hole, the bottom surface of the isolation plate is provided with an isolation shaft, the isolation shaft is located inside the isolation hole, and the first fixing member is arranged in a circular array between the isolation shaft and the inner wall of the isolation hole.

[0009] Preferably, the first fixing member is a rectangular structure, a first breaking portion is provided in the middle of the first fixing member, and grooves are provided on both sides of the first breaking portion.

[0010] Preferably, a seismic isolation cavity is provided inside the seismic isolation seat, a seismic isolation block is provided on the bottom surface of the seismic isolation shaft, the seismic isolation block is located inside the seismic isolation cavity, and the first seismic isolation member is provided in a circular array between the seismic isolation block and the inner wall of the seismic isolation cavity.

[0011] Preferably, a first installation cavity is provided inside the first seismic isolation member, a first limit block is slidably provided inside the first installation cavity, a first buffer spring is provided between the first limit block and the inner wall of the first installation cavity, a first connecting shaft is provided on the first limit block, the other end of the first connecting shaft slides and extends to the outside of the first seismic isolation member, and the first connecting shaft is connected between the axial end outside the first seismic isolation member and the seismic isolation block, and between the first seismic isolation member and the inner wall of the seismic isolation cavity by hinges.

[0012] Preferably, the second seismic isolation member is arranged in a circular array on the top surface of the seismic isolation plate and the bottom surface of the seismic isolation seat, a second installation cavity is provided inside the second seismic isolation member, a second limit block is slidably provided inside the second installation cavity, a second buffer spring is provided between the second limit block and the inner wall of the second installation cavity, a second connecting shaft is provided on the second limit block, the other end of the second connecting shaft slides and extends to the outside of the first seismic isolation member, and the shaft end of the second connecting shaft located outside the first seismic isolation member is connected to the installation plate.

[0013] Preferably, the second fixing member is an annular structure, the second fixing member is arranged on the second seismic isolation member, the inner ring surface of the second fixing member is provided with a second fracture portion, the thickness of the second fracture portion is half of the second fixing member, and the second fracture portion is connected to the second connecting shaft.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] Firstly, the utility model can prevent the seismic isolation seat, seismic isolation plate and mounting plate from shaking when subjected to smaller external forces such as strong winds through the cooperation of the first fixing member and the second fixing member. At the same time, the first seismic isolation member is distributed in a circular array, so the first seismic isolation member has a consistent buffering effect on the seismic isolation plate and the seismic isolation seat in all directions, thereby ensuring the seismic isolation effect of the building.

[0016] Secondly, through the cooperation of the first fixing member and the second fixing member, the utility model can also make the seismic isolation seat, the seismic isolation plate and the mounting plate move relatively when subjected to a large external force such as an earthquake, thereby isolating the building through the cooperation of the first seismic isolation member and the second seismic isolation member. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional structural schematic diagram of the three-dimensional seismic isolation device of the utility model;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the seismic isolation seat of the utility model;

[0019] Figure 3 It is a cross-sectional structural schematic diagram of the seismic isolation seat of the utility model;

[0020] Figure 4 It is a cross-sectional structural schematic diagram of the three-dimensional seismic isolation device of the utility model;

[0021] Figure 5 For the utility model Figure 4 A is an enlarged structural diagram;

[0022] Figure 6 For the utility model Figure 4 The enlarged structural diagram at B in FIG.

[0023] In the figure:

[0024] 1. Isolation seat; 11. Isolation hole; 12. Isolation cavity; 2. Isolation plate; 21. Isolation shaft; 22. Isolation block; 3. Mounting plate; 4. First fixing member; 41. First breaking portion; 5. First isolation member; 51. First limit block; 52. First buffer spring; 53. First connecting shaft; 54. Hinge; 6. Second fixing member; 61. Second breaking portion; 7. Second isolation member; 71. Second limit block; 72. Second buffer spring; 73. Second connecting shaft. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] See also Figures 1 to 6 The utility model describes the above technical solution in detail through the following embodiments:

[0027] A three-dimensional seismic isolation device comprises a seismic isolation seat 1, a seismic isolation plate 2 is arranged on the seismic isolation seat 1, a mounting plate 3 is arranged on the seismic isolation plate 2 and the seismic isolation seat 1, a first seismic isolation unit is arranged between the seismic isolation plate 2 and the seismic isolation seat 1, the first seismic isolation unit comprises a first fixing member 4 distributed in a circumferential array and a first seismic isolation member 5 distributed in a circumferential array, the first fixing member 4 is used to fix the seismic isolation plate 2 on the seismic isolation seat 1, the first seismic isolation member 5 is used to buffer the lateral force between the seismic isolation plate 2 and the seismic isolation seat 1, a second seismic isolation unit is arranged between the mounting plate 3 and the seismic isolation plate 2 and between the mounting plate 3 and the seismic isolation seat 1, the second seismic isolation unit comprises a second fixing member 6 distributed in a circumferential array and a second seismic isolation member 7 arranged on the second fixing member 6, the second fixing member 6 is used to fix the mounting plate 3 and the seismic isolation plate 2. The mounting plate 3 is fixed on the seismic isolation plate 2 and the mounting plate 3 is fixed on the seismic isolation seat 1. The second seismic isolation member 7 is used to buffer the longitudinal force between the two mounting plates 3. Therefore, through the cooperation of the first fixing member 4 and the second fixing member 6, not only the seismic isolation seat 1, the seismic isolation plate 2 and the mounting plate 3 will not shake when subjected to smaller external forces such as strong winds, but also the seismic isolation seat 1, the seismic isolation plate 2 and the mounting plate 3 can be relatively movable when subjected to larger external forces such as earthquakes. Then, through the cooperation of the first seismic isolation member 5 and the second seismic isolation member 7, the building is seismically isolated. At the same time, the first seismic isolation member 5 is distributed in a circular array. Therefore, the first seismic isolation member 5 has a consistent buffering effect on the seismic isolation plate 2 and the seismic isolation seat 1 in all directions, thereby ensuring the seismic isolation effect of the building.

[0028] like Figures 1 to 4 As shown, the top surface of the seismic isolation seat 1 is provided with a seismic isolation hole 11, the bottom surface of the seismic isolation plate 2 is provided with a seismic isolation shaft 21, the seismic isolation shaft 21 is located inside the seismic isolation hole 11, and the first fixing member 4 is arranged in a circular array between the seismic isolation shaft 21 and the inner wall of the seismic isolation hole 11, so that through the cooperation between the seismic isolation shaft 21 and the first fixing member 4, the seismic isolation plate 2 and the seismic isolation seat 1 will not shake when subjected to smaller external forces such as strong winds.

[0029] like Figures 1 to 4 As shown, the first fixing member 4 is a rectangular structure, a first breaking portion 41 is provided in the middle of the first fixing member 4, and grooves are provided on both sides of the first breaking portion 41, so that the seismic isolation plate 2 and the seismic isolation seat 1 can move relatively when subjected to a large external force such as an earthquake through the cooperation between the first fixing member 4 and the first breaking portion 41.

[0030] like Figures 1 to 4 As shown, a seismic isolation cavity 12 is provided inside the seismic isolation seat 1, a seismic isolation block 22 is provided on the bottom surface of the seismic isolation shaft 21, the seismic isolation block 22 is located inside the seismic isolation cavity 12, and the first seismic isolation member 5 is arranged in a circular array between the seismic isolation block 22 and the inner wall of the seismic isolation cavity 12, so that the first seismic isolation member 5 buffers the lateral force between the seismic isolation plate 2 and the seismic isolation seat 1 through the cooperation between the seismic isolation shaft 21, the seismic isolation block 22 and the first seismic isolation member 5.

[0031] like Figures 1 to 5 As shown, a first installation cavity is provided inside the first seismic isolation component 5, a first limit block 51 is slidably provided inside the first installation cavity, a first buffer spring 52 is provided between the first limit block 51 and the inner wall of the first installation cavity, a first connecting shaft 53 is provided on the first limit block 51, the other end of the first connecting shaft 53 slides and extends to the outside of the first seismic isolation component 5, the first connecting shaft 53 is located between the axial end of the outside of the first seismic isolation component 5 and the seismic isolation block 22, and the first seismic isolation component 5 and the inner wall of the seismic isolation cavity 12 are connected by a hinge 54, so that the first seismic isolation component 5 has consistent buffering effect on the seismic isolation plate 2 and the seismic isolation seat 1 in all directions through the cooperation among the first seismic isolation component 5, the first limit block 51, the first buffer spring 52, the first connecting shaft 53 and the hinge 54.

[0032] like Figures 1 to 6As shown, the second seismic isolation member 7 is arranged in a circular array on the top surface of the seismic isolation plate 2 and the bottom surface of the seismic isolation seat 1, and a second installation cavity is provided inside the second seismic isolation member 7, and a second limit block 71 is slidably provided inside the second installation cavity, and a second buffer spring 72 is provided between the second limit block 71 and the inner wall of the second installation cavity, and a second connecting shaft 73 is provided on the second limit block 71, and the other end of the second connecting shaft 73 slides and extends to the outside of the first seismic isolation member 5, and the axial end of the second connecting shaft 73 located outside the first seismic isolation member 5 is connected to the mounting plate 3, so that the second seismic isolation member 7 buffers the longitudinal force between the two mounting plates 3 through the cooperation between the second seismic isolation member 7, the second limit block 71, the second buffer spring 72 and the second connecting shaft 73.

[0033] like Figures 1 to 6 As shown, the second fixing member 6 is an annular structure, and the second fixing member 6 is arranged on the second seismic isolation member 7. The inner ring surface of the second fixing member 6 is provided with a second breaking portion 61, and the thickness of the second breaking portion 61 is half of the second fixing member 6. The second breaking portion 61 is connected to the second connecting shaft 73, so that through the cooperation between the second fixing member 6 and the second breaking portion 61, the two mounting plates 3 can move relatively when subjected to a large external force such as an earthquake.

[0034] Working principle: When the staff installs the two mounting plates 3 on the foundation and the building respectively, the first fixing member 4 fixes the seismic isolation shaft 21 to the seismic isolation seat 1, so that the seismic isolation plate 2 and the seismic isolation seat 1 will not slide relative to each other laterally when subjected to smaller external forces such as strong winds. At the same time, the second fixing member 6 fixes the second connecting shaft 73 to the second seismic isolation member 7, so that the two mounting plates 3 will not slide relative to each other longitudinally when subjected to smaller external forces such as strong winds.

[0035] When the building is subjected to a large longitudinal external force such as an earthquake, the longitudinal force between the two mounting plates 3 will be transmitted to the second connecting shaft 73. The longitudinal force on the second connecting shaft 73 will cause the second breaking portion 61 on the second fixing member 6 to break. When the second breaking portion 61 breaks, the second connecting shaft 73 and the second seismic isolation member 7 can slide longitudinally relative to each other, thereby buffering the longitudinal force between the second seismic isolation member 7 and the second connecting shaft 73 through the cooperation between the second limit block 71 and the second buffer spring 72, and then buffering the longitudinal force between the two mounting plates 3. When the building is subjected to a large lateral external force such as an earthquake, the lateral force between the two mounting plates 3 will be respectively transmitted to the seismic isolation plate 2 and the seismic isolation seat 1. The lateral force will be transmitted to the isolation shaft 21, and the lateral force on the isolation shaft 21 will cause the first fracture portion 41 on the first fixing member 4 to break. When the first fracture portion 41 breaks, the isolation shaft 21 and the isolation seat 1 can slide relative to each other laterally. When the isolation shaft 21 and the isolation seat 1 slide relative to each other laterally, the isolation block 22 and the isolation seat 1 will slide relative to each other laterally. When the isolation block 22 and the isolation seat 1 slide relative to each other laterally, they will respectively drive the first connecting shaft 53 on the hinge 54 and the first isolation member 5 to slide relative to each other laterally, so that the lateral force between the first connecting shaft 53 and the first isolation member 5 is buffered by the cooperation between the first limit block 51 and the first buffer spring 52, and then the lateral force between the two mounting plates 3 is buffered.

[0036] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit it. Although the utility model has been described in detail with reference to the aforementioned embodiments, ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not make the essence of the corresponding technical solution deviate from the scope of the technical solution of the embodiments of the utility model.

Claims

1. A three-dimensional seismic isolation device, characterized in that: The invention comprises a seismic isolation seat (1), a seismic isolation plate (2) being provided on the seismic isolation seat (1), a mounting plate (3) being provided on the seismic isolation plate (2) and the seismic isolation seat (1), a first seismic isolation unit being provided between the seismic isolation plate (2) and the seismic isolation seat (1), the first seismic isolation unit comprising first fixing members (4) distributed in a circumferential array and first seismic isolation members (5) distributed in a circumferential array, the first fixing members (4) being used to fix the seismic isolation plate (2) on the seismic isolation seat (1), the first seismic isolation members (5) being used to laterally space the seismic isolation plate (2) and the seismic isolation seat (1). Force buffering, a second seismic isolation unit is provided between the mounting plate (3) and the seismic isolation plate (2) and between the mounting plate (3) and the seismic isolation seat (1), the second seismic isolation unit comprises second fixing members (6) distributed in a circumferential array and a second seismic isolation member (7) provided on the second fixing member (6), the second fixing member (6) being used to fix the mounting plate (3) on the seismic isolation plate (2) and to fix the mounting plate (3) on the seismic isolation seat (1), and the second seismic isolation member (7) being used to buffer the longitudinal force between the two mounting plates (3); The top surface of the seismic isolation seat (1) is provided with a seismic isolation hole (11), the bottom surface of the seismic isolation plate (2) is provided with a seismic isolation shaft (21), the seismic isolation shaft (21) is located inside the seismic isolation hole (11), and the first fixing members (4) are arranged in a circular array between the seismic isolation shaft (21) and the inner wall of the seismic isolation hole (11); The first fixing member (4) is a rectangular structure, a first breaking portion (41) is provided in the middle of the first fixing member (4), and grooves are provided on both sides of the first breaking portion (41); An isolation cavity (12) is provided inside the isolation seat (1), an isolation block (22) is provided on the bottom surface of the isolation shaft (21), the isolation block (22) is located inside the isolation cavity (12), and the first isolation members (5) are arranged in a circular array between the isolation block (22) and the inner wall of the isolation cavity (12); A first installation cavity is provided inside the first isolation member (5), a first limiting block (51) is slidably provided inside the first installation cavity, a first buffer spring (52) is provided between the first limiting block (51) and the inner wall of the first installation cavity, a first connecting shaft (53) is provided on the first limiting block (51), the other end of the first connecting shaft (53) slidably extends to the outside of the first isolation member (5), and the first connecting shaft (53) is located between the shaft end outside the first isolation member (5) and the isolation block (22), and the first isolation member (5) and the inner wall of the isolation cavity (12) are connected by hinges (54); The second seismic isolation member (7) is arranged in a circular array on the top surface of the seismic isolation plate (2) and the bottom surface of the seismic isolation seat (1); a second installation cavity is arranged inside the second seismic isolation member (7); a second limit block (71) is slidably arranged inside the second installation cavity; a second buffer spring (72) is arranged between the second limit block (71) and the inner wall of the second installation cavity; a second connecting shaft (73) is arranged on the second limit block (71); the other end of the second connecting shaft (73) slidably extends to the outside of the first seismic isolation member (5); and the shaft end of the second connecting shaft (73) located outside the first seismic isolation member (5) is connected to the installation plate (3).

2. The three-dimensional seismic isolation device according to claim 1, characterized in that: The second fixing member (6) is an annular structure. The second fixing member (6) is arranged on the second seismic isolation member (7). The inner annular surface of the second fixing member (6) is provided with a second breaking portion (61). The thickness of the second breaking portion (61) is half of that of the second fixing member (6). The second breaking portion (61) is connected to the second connecting shaft (73).

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