Composite shock insulation support with elastic horizontal restoring force and damping

Abstract

The invention provides a composite shock insulation support with elastic horizontal restoring force and damping, and belongs to the technical field of building shock insulation supports, the composite shock insulation support comprises an upper support plate and a lower support plate which are symmetrically arranged, the lower side of the upper support plate is provided with a first mounting plate, and the upper side of the lower support plate is provided with a second mounting plate; a vertical shock insulation structure is arranged between the first mounting plate and the second mounting plate, four fixing lugs are uniformly and fixedly connected to the first mounting plate and the second mounting plate, first connectors rotate on the four fixing lugs, and first damping rods are fixedly connected to the first connectors. Through the arrangement of the first mounting plate, the second mounting plate, the fixing lugs, the first connector, the first damping rod, the second connector, the first spring and the bearing frame, the shock insulation support has elastic horizontal restoring force, shock insulation protection in the horizontal direction can be carried out, the protection effect is improved, and the service life of the shock insulation support is prolonged. The problem that shock insulation in the horizontal direction is inconvenient in the prior art is solved.

Description

Technical Field

[0001] The invention relates to the technical field of building seismic isolation supports, and in particular to a composite seismic isolation support with elastic horizontal restoring force and damping. Background Art

[0002] In construction, one is usually faced with the problem of how to effectively reduce the damage caused by earthquakes to buildings. Usually, building isolation supports are installed between buildings to set up an isolation layer between the building and the ground to prevent the earthquake from transmitting to the upper structure.

[0003] After searching, in the prior art, the patent application number CN202322671465.7 discloses a bearing for building seismic isolation, including a lower pier body, a first fixed plate and a bearing bottom limit plate, a first limit groove is arranged at the center of the upper end surface of the bearing bottom limit plate, and a plurality of first limit plug rods are arranged inside the first limit groove of the upper end surface of the bearing bottom limit plate, a rubber seismic isolation platform is installed inside the first limit groove, a plurality of groups of first limit holes are arranged on the lower end surface of the rubber seismic isolation platform, and the first limit holes are adapted to the first limit plug rods, a plurality of groups of second limit holes are arranged inside the upper end surface of the rubber seismic isolation platform, and a bearing top limit plate is arranged on the top of the rubber seismic isolation platform. The upper end surface of the rubber seismic isolation platform of the present invention is installed on the outside of the second threaded hole inside the second limit groove through the second limit hole, which solves the problem that the rubber seismic isolation platform of the building seismic isolation bearing is inconvenient to install and has a long installation period, thereby improving the installation efficiency, but there are still the following defects: (1) The seismic isolation supports in the prior art can only perform seismic isolation in the vertical direction, but are inconvenient for seismic isolation in the horizontal wind direction, resulting in poor protection effect; (2) The isolation bearings in the prior art only use springs to isolate the vertical direction, which lacks damping effect, resulting in poor isolation effect.

[0004] Therefore, we made improvements and proposed a composite seismic isolation bearing with elastic horizontal restoring force and damping. Summary of the invention

[0005] The purpose of the present invention is to solve the existing problems of inconvenience in horizontal seismic isolation and poor vertical seismic isolation effect.

[0006] In order to achieve the above-mentioned object of the invention, the present invention provides the following technical solutions: A composite seismic isolation bearing with elastic horizontal restoring force and damping is used to improve the above problems.

[0007] The present invention is specifically as follows: The cam is a vertically rotatable structure formed on a pair of axially slanted connecting members, wherein the cam is configured to move the spring between the first and second ends of the cam and the second ends of the cam are connected to the cam by a spring.

[0008] As a preferred technical solution of the present invention, the vertical seismic isolation structure includes four mounting frames evenly arranged on the upper end surface of the second mounting plate, the four mounting frames are fixedly connected with guide rods, the guide rods are slidably connected with sliders, two second springs are symmetrically sleeved on the guide rods, the two ends of the second springs are respectively fixedly connected to the mounting frame and the slider, the top end of the slider is rotatably connected with a third connecting head, the third connecting head is fixedly connected with a second damping rod, the top end of the second damping rod is fixedly connected with a fourth connecting head, the second damping rod is sleeved with a third spring, the two ends of the third spring are respectively fixedly connected with the third connecting head and the fourth connecting head, the top end of the fourth connecting head is rotatably connected with a connecting seat, and the connecting seat is connected to the first mounting plate by bolts.

[0009] As a preferred technical solution of the present invention, two positioning blocks are symmetrically and fixedly connected on the front and rear side walls of the mounting frame, the positioning blocks are connected to the second mounting plate via hexagon socket bolts, the third connecting head and the slider are connected via a bolt assembly, and the fourth connecting head and the connecting seat are connected via a bolt assembly.

[0010] As a preferred technical solution of the present invention, four connecting ears are evenly and fixedly connected to the first mounting plate and the second mounting plate, an assembly head is provided in the connecting ears, a nut is threadedly connected to the assembly head, and a support column is fixedly connected to the assembly head.

[0011] As a preferred technical solution of the present invention, the four corners of the upper support plate and the lower support plate are all rounded, and mounting holes are provided at the four corners of the upper support plate and the lower support plate.

[0012] As a preferred technical solution of the present invention, the first connecting head and the fixing ear are connected via a bolt assembly, and the second connecting head and the supporting frame are connected via a bolt assembly, and the bolt assembly includes a bolt and a nut.

[0013] Compared with the prior art, the present invention has the following beneficial effects: In the scheme of the present invention: 1. By providing the first mounting plate, the second mounting plate, the fixing ear, the first connector, the first damping rod, the second connector, the first spring and the bearing frame, the seismic isolation support has an elastic horizontal restoring force, can perform seismic isolation protection in the horizontal direction, improve the protection effect, and solve the problem of inconvenience in performing seismic isolation in the horizontal direction in the prior art; 2. By setting up the vertical seismic isolation structure, damping isolation is provided during vertical seismic isolation, and secondary seismic isolation can also be performed to improve the seismic isolation effect, and it is also convenient for assembly and disassembly, solving the problem of poor vertical seismic isolation effect in the prior art. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 A schematic diagram of the bottom structure provided by the present invention; Figure 2 A bottom-up structural schematic diagram provided by the present invention; Figure 3 A schematic diagram of the internal structure provided by the present invention; Figure 4 A schematic diagram of the support column separation structure provided by the present invention; Figure 5 A schematic diagram of the vertical seismic isolation structure provided by the present invention; Figure 6 This is a front view structural schematic diagram provided by the present invention.

[0015] Indicated in the figure: 1. Upper support plate; 2. Lower support plate; 3. First mounting plate; 4. Second mounting plate; 5. Vertical seismic isolation structure; 501. Mounting frame; 502. Guide rod; 503. Slider; 504. Second spring; 505. Third connector; 506. Second damping rod; 507. Fourth connector; 508. Third spring; 509. Connecting seat; 5010. Positioning block; 6. Fixing ear; 7. First connector; 8. First damping rod; 9. Second connector; 10. First spring; 11. Carrying frame; 12. Connecting ear; 13. Assembly head; 14. Nut; 15. Support column. DETAILED DESCRIPTION

[0016] To make the purpose, technical solution and advantages of the embodiments of the present invention clearer, the technical solution in the embodiments of the present invention will be described clearly and completely in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them.

[0017] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the present embodiment proposes a composite seismic isolation bearing with elastic horizontal restoring force and damping, comprising an upper support plate 1 and a lower support plate 2 symmetrically arranged, a first mounting plate 3 is provided on the lower side of the upper support plate 1, a second mounting plate 4 is provided on the upper side of the lower support plate 2, a vertical seismic isolation structure 5 is provided between the first mounting plate 3 and the second mounting plate 4, four fixing ears 6 are uniformly fixedly connected to the first mounting plate 3 and the second mounting plate 4, the four fixing ears 6 are all rotatable first connecting heads 7, the first connecting heads 7 are all fixedly connected to the first damping rods 8, and the outer ends of the first damping rods 8 are all fixedly connected to the second connecting heads 9, a first spring 10 is sleeved on the first damping rod 8, and both ends of the first spring 10 are fixedly connected to the first connecting head 7 and the second connecting head 9 respectively, and the second connecting head 9 is rotatably connected with a bearing frame 11, and the bearing frame 11 is respectively connected to the upper support plate 1 or the lower support plate 2 by bolts; through the first connecting head 7 rotating on the four fixing ears 6, the first damping rod 8, the second connecting head 9 and the sleeved first spring 10, an effective horizontal damping system is formed, which can absorb and dissipate horizontal seismic energy, has elastic horizontal restoring force, improves the seismic performance of the building structure, and improves the seismic isolation effect.

[0018] like Figure 1 , Figure 2 , Figure 3 and Figure 5 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, the vertical seismic isolation structure 5 includes four mounting frames 501 evenly arranged on the upper end surface of the second mounting plate 4, the four mounting frames 501 are fixedly connected with guide rods 502, the guide rods 502 are slidably connected with sliders 503, two second springs 504 are symmetrically sleeved on the guide rods 502, the two ends of the second springs 504 are respectively fixedly connected to the mounting frames 501 and the sliders 503, the top end of the slider 503 is rotatably connected to a third connector 505, the third connector 505 is fixedly connected to a second damping rod 506, and the top end of the second damping rod 506 is fixedly connected to the It is connected to a fourth connecting head 507, and a third spring 508 is sleeved on the second damping rod 506. Both ends of the third spring 508 are fixedly connected to the third connecting head 505 and the fourth connecting head 507 respectively. The top of the fourth connecting head 507 is rotatably connected to a connecting seat 509, and the connecting seat 509 is connected to the first mounting plate 3 by bolts. When subjected to a vertical earthquake, the slider 503 will move along the guide rod 502, and absorb and disperse the earthquake energy through the compression and release of the second spring 504. At the same time, the second damping rod 506 and the third spring 508 will also offset the vertical vibration, so that secondary seismic isolation can be performed to improve the effect of vertical seismic isolation.

[0019] like Figure 3 and Figure 5As shown, as a preferred embodiment, on the basis of the above method, further, two positioning blocks 5010 are symmetrically and fixedly connected on the front and rear side walls of the mounting frame 501, the positioning blocks 5010 are connected to the second mounting plate 4 by hexagon socket bolts, the third connecting head 505 and the slider 503 are connected by a bolt assembly, and the fourth connecting head 507 and the connecting seat 509 are connected by a bolt assembly; it is convenient for installation and disassembly, and also convenient for the rotation of the third connecting head 505 and the fourth connecting head 507.

[0020] like Figure 1 , Figure 2 and Figure 4 As shown, as a preferred embodiment, on the basis of the above-mentioned method, further, four connecting ears 12 are evenly and fixedly connected on the first mounting plate 3 and the second mounting plate 4, an assembly head 13 is provided in the connecting ear 12, a nut 14 is threadedly connected on the assembly head 13, and a support column 15 is fixedly connected to the assembly head 13; the support column 15 provides support for the first mounting plate 3 and the second mounting plate 4, ensures the stability of the first mounting plate 3 and the second mounting plate 4, and facilitates assembly through the assembly head 13 and the nut 14.

[0021] like Figure 1 and Figure 2 As shown, as a preferred embodiment, on the basis of the above method, further, the four corners of the upper support plate 1 and the lower support plate 2 are all rounded, and mounting holes are provided at the four corners of the upper support plate 1 and the lower support plate 2; the mounting holes are convenient for fixing the upper support plate 1 or the lower support plate 2 using fixing bolts and other components.

[0022] like Figure 3 As shown, as a preferred embodiment, on the basis of the above method, further, the first connecting head 7 and the fixing ear 6 are connected by a bolt assembly, and the second connecting head 9 and the supporting frame 11 are connected by a bolt assembly, and the bolt assembly is a bolt and a nut; this connection method is simple and reliable, easy to install and disassemble, and also improves the stability and reliability of the structure, and also facilitates the rotation of the first connecting head 7 and the second connecting head 9.

[0023] Specifically, when the composite seismic isolation bearing with elastic horizontal restoring force and damping is in use: the upper support plate 1 is fixedly connected to the upper pier, and the lower support plate 2 is fixedly connected to the lower pier through fixing components. When the building is subjected to horizontal vibration, the first connecting head 7 and the second connecting head 9 rotate, and the first mounting plate 3 and the second mounting plate 4 move horizontally. At the same time, the first damping rod 8 and the first spring 10 provide elastic horizontal restoring force, so as to offset the horizontal vibration. When subjected to vertical vibration, the slider 503 moves along the guide rod 502, and absorbs and disperses the seismic energy through the compression and release of the second spring 504. At the same time, the second damping rod 506 and the third spring 508 also offset the vertical vibration, so that secondary seismic isolation can be performed to improve the effect of vertical seismic isolation.

[0024] All technical features in this embodiment can be freely combined according to actual needs.

[0025] The above embodiments are preferred implementation schemes of the present invention. In addition, the present invention may also be implemented in other ways. Any obvious replacement without departing from the concept of the present technical solution is within the protection scope of the present invention.

Claims

1. A composite seismic isolation bearing with elastic horizontal restoring force and damping, comprising an upper support plate (1) and a lower support plate (2) symmetrically arranged, characterized in that: A first mounting plate (3) is provided on the lower side of the upper support plate (1), a second mounting plate (4) is provided on the upper side of the lower support plate (2), a vertical seismic isolation structure (5) is provided between the first mounting plate (3) and the second mounting plate (4), four fixing ears (6) are evenly fixedly connected to the first mounting plate (3) and the second mounting plate (4), a first rotatable connecting head (7) is provided on each of the four fixing ears (6), a first damping rod (8) is fixedly connected to the first connecting head (7), the outer end of the first damping rod (8) is fixedly connected to the second connecting head (9), a first spring (10) is sleeved on the first damping rod (8), two ends of the first spring (10) are respectively fixedly connected to the first connecting head (7) and the second connecting head (9), a bearing frame (11) is rotatably connected to the second connecting head (9), and the bearing frame (11) is respectively connected to the upper support plate (1) or the lower support plate (2) by bolts.

2. A composite seismic isolation bearing with elastic horizontal restoring force and damping according to claim 1, characterized in that: The vertical seismic isolation structure (5) comprises four mounting frames (501) evenly arranged on the upper end surface of the second mounting plate (4), the four mounting frames (501) are all fixedly connected with guide rods (502), the guide rods (502) are slidably connected with sliders (503), the guide rods (502) are symmetrically sleeved with two second springs (504), the two ends of the second springs (504) are respectively fixedly connected to the mounting frames (501) and the sliders (503), and the top end of the sliders (503) is rotatably connected with a third connector (505). The third connecting head (505) is fixedly connected to a second damping rod (506); the top end of the second damping rod (506) is fixedly connected to a fourth connecting head (507); a third spring (508) is sleeved on the second damping rod (506); two ends of the third spring (508) are respectively fixedly connected to the third connecting head (505) and the fourth connecting head (507); the top end of the fourth connecting head (507) is rotatably connected to a connecting seat (509); and the connecting seat (509) is connected to the first mounting plate (3) via bolts.

3. The composite seismic isolation bearing with elastic horizontal restoring force and damping according to claim 2, characterized in that: Two positioning blocks (5010) are symmetrically and fixedly connected on the front and rear side walls of the installation frame (501); the positioning blocks (5010) are connected to the second installation plate (4) via hexagon socket bolts; the third connecting head (505) is connected to the slider (503) via a bolt assembly; and the fourth connecting head (507) is connected to the connecting seat (509) via a bolt assembly.

4. The composite seismic isolation bearing with elastic horizontal restoring force and damping according to claim 1, characterized in that: The first mounting plate (3) and the second mounting plate (4) are both evenly and fixedly connected with four connection ears (12), each of the connection ears (12) is provided with an assembly head (13), a nut (14) is threadedly connected to the assembly head (13), and a support column (15) is fixedly connected to the assembly head (13).

5. The composite seismic isolation bearing with elastic horizontal restoring force and damping according to claim 1, characterized in that: The four corners of the upper support plate (1) and the lower support plate (2) are all designed with rounded corners, and the four corners of the upper support plate (1) and the lower support plate (2) are all provided with mounting holes.

6. The composite seismic isolation bearing with elastic horizontal restoring force and damping according to claim 1, characterized in that: The first connecting head (7) and the fixing ear (6) are connected via a bolt assembly, and the second connecting head (9) and the supporting frame (11) are connected via a bolt assembly, and the bolt assembly comprises a bolt and a nut.

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