CN216664574U - Three-dimensional friction pendulum isolation bearing - Google Patents
Three-dimensional friction pendulum isolation bearing Download PDFInfo
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- CN216664574U CN216664574U CN202220172921.6U CN202220172921U CN216664574U CN 216664574 U CN216664574 U CN 216664574U CN 202220172921 U CN202220172921 U CN 202220172921U CN 216664574 U CN216664574 U CN 216664574U
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Abstract
The utility model discloses a three-dimensional friction pendulum shock insulation support which comprises an upper base and a lower base, wherein arc-shaped grooves are formed in the side walls of the upper base, which are opposite to the lower base, respectively, the inner walls of the arc-shaped grooves of the upper base and the lower base are respectively connected with a first friction seat and a second friction seat in a sliding manner, a spherical crown lining plate is formed by the first friction seat and the second friction seat, the inner walls of the first friction seat and the second friction seat are respectively and fixedly connected with an elastic backing plate, the side walls of the two elastic backing plates are respectively and fixedly connected with an extrusion block which is in mutual contact, and the inner walls of the first friction seat and the second friction seat are respectively provided with a buffer mechanism which is connected with the two elastic backing plates. According to the utility model, the first friction seat and the second friction seat are connected through the two elastic base plates, when the upper base is vibrated in the vertical direction, the first friction seat moves downwards, and the two elastic base plates are contacted with each other, so that the shock absorption effect is good, and the energy input by earthquake is reduced.
Description
Technical Field
The utility model relates to the technical field of building earthquake resistance, in particular to a three-dimensional friction pendulum earthquake isolation support.
Background
The shock insulation support is the most widely used shock insulation technology at present, a building is divided into an upper structure and a lower structure, the upper structure and the lower structure are respectively connected with the shock insulation support to form a shock insulation layer, so that the condition that the seismic capacity directly acts on the upper structure of the building to damage the use performance of the building is avoided, one of the shock insulation principles of the friction pendulum support is to prolong the self-vibration period of the lower structure through swinging, and realize the shock insulation function.
However, traditional isolation bearing is connected upper base and lower pedestal through spherical crown welt when using, when the building received strong vibrations, makes a round trip to rub through upper base and spherical crown welt, prolongs substructure self-oscillation period, realizes the shock insulation function, and wherein the horizontal vibrations can only be kept apart to shock insulation base is general, only weak isolation effect to vertical earthquake, for this reason, we propose a three-dimensional friction pendulum isolation bearing and solve above-mentioned problem.
Disclosure of Invention
The utility model aims to solve the defects in the prior art and provides a three-dimensional friction pendulum vibration isolation support.
In order to achieve the purpose, the utility model adopts the following technical scheme: the utility model provides a three-dimensional friction pendulum isolation bearing, includes upper base and lower base, the arc recess has all been seted up to the relative lateral wall of upper base and lower base, sliding connection has first friction seat and second friction seat respectively with the arc recess inner wall of lower base, constitutes through first friction seat and second friction seat and forms a spherical crown welt, the equal fixedly connected with elastic backing plate of inner wall of first friction seat and second friction seat, and the extrusion piece of fixedly connected with mutual contact on the lateral wall of two elastic backing plates, the inner wall of first friction seat and second friction seat is equipped with the buffer gear who is connected with two elastic backing plates respectively.
Preferably, the first friction seat and the second friction seat are both of a barrel-shaped structure and are connected with the inner walls of the arc-shaped grooves of the upper base and the lower base through friction pads.
Preferably, the diameter of the first friction seat is larger than that of the second friction seat, and the second friction seat is slidably connected to the inner wall of the first friction seat.
Preferably, the inner wall of the first friction seat is fixedly connected with a limiting rod, and the side wall of the second friction seat is provided with a clamping groove in sliding connection with the limiting rod.
Preferably, the elastic backing plate comprises two elastic plates with arc structures, the two elastic plates are arranged in a crossed manner, the crossed point of the two elastic plates is fixedly connected with a mounting seat, and the extrusion block is fixedly connected to the side wall of the mounting seat.
Preferably, buffer gear is including installing the attenuator in first friction seat and second friction seat respectively, the one end and the mount pad fixed connection of attenuator, and the cover is equipped with the spring of being connected with the mount pad on its lateral wall.
Compared with the prior art, the utility model has the beneficial effects that:
1. the first friction seat and the second friction seat are connected through the two elastic base plates in a matched mode, when the upper base is vibrated in the vertical direction, the first friction seat moves downwards, the two elastic base plates are in contact with each other, the good buffering and shock absorption effects are achieved, and the energy input by earthquake is reduced;
2. the first friction seat and the second friction seat are matched for use, so that the effect of sleeving the second friction seat outside through the first friction seat is achieved, the spherical cap lining plate formed by the first friction seat and the second friction seat rubs back and forth along the side wall of the upper base and the side wall of the lower base without influencing, and the vertical shock insulation effect is achieved under the condition of offsetting horizontal vibration.
Drawings
Fig. 1 is a schematic structural diagram according to the present invention.
Fig. 2 is a schematic cross-sectional structure of the present invention.
Fig. 3 is a schematic diagram of a part splitting structure according to the present invention.
Fig. 4 is a partial enlarged view of the point a according to the present invention.
In the figure: the device comprises an upper base 1, a lower base 2, a first friction seat 3, a second friction seat 4, an elastic cushion plate 5, an extrusion block 6, a friction pad 7, a limiting rod 8, a clamping groove 9, a mounting seat 10, a damper 11 and a spring 12.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Referring to fig. 1-4, a three-dimensional friction pendulum vibration isolation support comprises an upper base 1 and a lower base 2, wherein arc-shaped grooves are formed in the side walls of the upper base 1 opposite to the lower base 2, the inner walls of the arc-shaped grooves of the upper base 1 and the lower base 2 are respectively connected with a first friction seat 3 and a second friction seat 4 in a sliding manner, the effect of sleeving the outer side of the second friction seat 4 through the first friction seat 3 is achieved, the spherical cap liner plate formed by the first friction seat 3 and the second friction seat 4 is rubbed back and forth along the side walls of the upper base 1 and the lower base 2 without influencing the horizontal vibration, the vertical vibration isolation effect is achieved under the condition of offsetting the horizontal vibration, the first friction seat 3 and the second friction seat 4 are of barrel-shaped structures and are connected with the inner walls of the arc-shaped grooves of the upper base 1 and the lower base 2 through a friction pad 7, and a spherical cap liner plate is formed by the first friction seat 3 and the second friction seat 4, lower base 2 is connected with the substructure of building through a plurality of bolts, upper base 1 arranges the upside of lower base 2 in, place the spherical cap welt that first friction seat 3 and second friction seat 4 connect the formation again between upper base 1 and lower base 2, make the friction pad 7 at the upper and lower both ends of spherical cap welt contact with the arc recess of upper base 1 and lower base 2 respectively, improved the life of first friction seat 3 and second friction seat 4, erect the superstructure of building in the upper end of upper base 1 afterwards.
The diameter of the first friction seat 3 is larger than that of the second friction seat 4, the second friction seat 4 is connected to the inner wall of the first friction seat 3 in a sliding manner, the inner wall of the first friction seat 3 is fixedly connected with a limiting rod 8, the side wall of the second friction seat 4 is provided with a clamping groove 9 in sliding connection with the limiting rod 8, the first friction seat 3 can only move up and down along the side wall of the second friction seat 4 through the sliding connection of the limiting rod 8 and the clamping groove 9, the first friction seat 3 cannot horizontally rotate, the abrasion between the first friction seat 3 and the second friction seat 4 is reduced, the inner walls of the first friction seat 3 and the second friction seat 4 are both fixedly connected with an elastic cushion plate 5, the elastic cushion plate 5 is composed of two elastic plates with arc structures, the two elastic plates are arranged in a crossed manner, the elastic cushion plate 5 is uniformly stressed, the elastic plates are prevented from being broken due to nonuniform stress, and the intersection points of the two elastic plates are fixedly connected with a mounting seat 10, the mounting base 10 is of a rectangular configuration.
When the building receives vibrations of vertical direction, the superstructure of building extrudees upper base 1, make upper base 1 extrude first friction seat 3, first friction seat 3 moves down along the lateral wall of second friction seat 4, and simultaneously, two elastic pad boards 5 in first friction seat 3 and the second friction seat 4 contact each other through extrusion piece 6, when first friction seat 3 two moves down, two elastic pad boards 5 absorb upper base 1 vibrations, have good buffering cushioning effect, reduce the energy of earthquake input, extrusion piece 6 fixed connection is on the lateral wall of mount pad 10, fixedly connected with extrusion piece 6 of mutual contact on the lateral wall of two elastic pad boards 5, through two extrusion piece 6 mutual contact, avoid two elastic pad board 5 direct contact.
The inner walls of the first friction seat 3 and the second friction seat 4 are respectively provided with a buffer mechanism connected with the two elastic backing plates 5, the buffer mechanism comprises a damper 11 respectively arranged in the first friction seat 3 and the second friction seat 4, the damper 11 is the same as the existing viscous damper, the two elastic backing plates 5 are respectively connected with the first friction seat 3 and the second friction seat 4 through the damper 11, the bearing capacity of the elastic backing plates 5 is improved, one end of the damper 11 is fixedly connected with a mounting seat 10, the side wall of the damper is sleeved with a spring 12 connected with the mounting seat 10, one end of one spring 12 is fixedly connected with the mounting seat 10 in the first friction seat 3, the other end of the other spring 12 is fixedly connected with the inner bottom wall of the first friction seat 3, one end of the other spring 12 is fixedly connected with the mounting seat 10 in the second friction seat 4, and the other end of the other spring is fixedly connected with the inner bottom wall of the second friction seat 4, the mounting seat 10 is connected with the first friction seat 3 or the second friction seat 4 through the spring 12, so that the elastic base plate 5 is reset after being extruded to deform, the next vibration is conveniently resisted, and a continuous anti-vibration effect is formed.
The working principle of the utility model is that when the building is used, a lower base 2 is connected with a lower structure of a building through a plurality of bolts, an upper base 1 is arranged on the upper side of the lower base 2, a spherical crown lining plate formed by connecting a first friction seat 3 and a second friction seat 4 is arranged between the upper base 1 and the lower base 2, friction pads 7 at the upper end and the lower end of the spherical crown lining plate are respectively contacted with arc-shaped grooves of the upper base 1 and the lower base 2, then an upper structure of the building is erected at the upper end of the upper base 1, when the building is vibrated in the vertical direction, the upper structure of the building extrudes the upper base 1, the upper base 1 extrudes the first friction seat 3, the first friction seat 3 moves downwards along the side wall of the second friction seat 4, meanwhile, two elastic cushion plates 5 in the first friction seat 3 and the second friction seat 4 are contacted with each other through an extrusion block 6, when the first friction seat 3 moves downwards, the two elastic cushion plates 5 absorb the vibration of the upper base 1, have good buffering cushioning effect, reduce the energy of earthquake input, simultaneously through 11 with two elastic backing plates 5 respectively with first friction seat 3 with second friction seat 4 be connected, the bearing capacity of elastic backing plate 5 has been improved, and establish the effect in the second friction seat 4 outside through 3 covers of first friction seat, do not influence the spherical crown welt that first friction seat 3 and second friction seat 4 formed and rub along upper base 1 and 2 lateral walls of lower base back and forth, realize vertical direction shock insulation effect under the circumstances of offsetting horizontal shock.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. The utility model provides a three-dimensional friction pendulum isolation bearing, includes upper base (1) and lower base (2), arc recess has all been seted up with the relative lateral wall of lower base (2) in upper base (1), its characterized in that, sliding connection has first friction seat (3) and second friction seat (4) respectively to the arc recess inner wall of upper base (1) and lower base (2), forms a spherical cap welt through first friction seat (3) and second friction seat (4), the equal fixedly connected with elastic backing plate (5) of inner wall of first friction seat (3) and second friction seat (4), and fixedly connected with extrusion piece (6) of mutual contact on the lateral wall of two elastic backing plate (5), the inner wall of first friction seat (3) and second friction seat (4) is equipped with the buffer gear who is connected with two elastic backing plate (5) respectively.
2. The three-dimensional friction pendulum seismic isolation bearing according to claim 1, characterized in that the first friction seat (3) and the second friction seat (4) are both of a cylindrical structure and are connected with the inner walls of the arc-shaped grooves of the upper base (1) and the lower base (2) through friction pads (7).
3. The three-dimensional friction pendulum seismic isolation bearing according to claim 2, characterized in that the diameter of the first friction seat (3) is larger than the diameter of the second friction seat (4), and the second friction seat (4) is slidably connected to the inner wall of the first friction seat (3).
4. The three-dimensional friction pendulum seismic isolation bearing according to claim 1, characterized in that the inner wall of the first friction seat (3) is fixedly connected with a limiting rod (8), and the side wall of the second friction seat (4) is provided with a clamping groove (9) which is slidably connected with the limiting rod (8).
5. The three-dimensional friction pendulum seismic isolation bearing according to claim 1, characterized in that the elastic cushion plate (5) is composed of two elastic plates with arc structures, the two elastic plates are arranged in a crossed manner, the crossing point of the two elastic plates is fixedly connected with a mounting seat (10), and the extrusion block (6) is fixedly connected on the side wall of the mounting seat (10).
6. The three-dimensional friction pendulum seismic isolation bearing according to claim 1, wherein the buffer mechanism comprises a damper (11) respectively installed in the first friction seat (3) and the second friction seat (4), one end of the damper (11) is fixedly connected with the mounting seat (10), and a spring (12) connected with the mounting seat (10) is sleeved on the side wall of the damper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220172921.6U CN216664574U (en) | 2022-01-22 | 2022-01-22 | Three-dimensional friction pendulum isolation bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220172921.6U CN216664574U (en) | 2022-01-22 | 2022-01-22 | Three-dimensional friction pendulum isolation bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216664574U true CN216664574U (en) | 2022-06-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220172921.6U Active CN216664574U (en) | 2022-01-22 | 2022-01-22 | Three-dimensional friction pendulum isolation bearing |
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| Country | Link |
|---|---|
| CN (1) | CN216664574U (en) |
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2022
- 2022-01-22 CN CN202220172921.6U patent/CN216664574U/en active Active
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