CN112459258A - Combined three-dimensional shock insulation support - Google Patents
Combined three-dimensional shock insulation support Download PDFInfo
- Publication number
- CN112459258A CN112459258A CN202011223851.4A CN202011223851A CN112459258A CN 112459258 A CN112459258 A CN 112459258A CN 202011223851 A CN202011223851 A CN 202011223851A CN 112459258 A CN112459258 A CN 112459258A
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- Prior art keywords
- connecting plate
- rubber layer
- steel plate
- combined
- shock insulation
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/36—Bearings or like supports allowing movement
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/62—Insulation or other protection; Elements or use of specified material therefor
- E04B1/92—Protection against other undesired influences or dangers
- E04B1/98—Protection against other undesired influences or dangers against vibrations or shocks; against mechanical destruction, e.g. by air-raids
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
- E04H9/022—Bearing, supporting or connecting constructions specially adapted for such buildings and comprising laminated structures of alternating elastomeric and rigid layers
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vibration Prevention Devices (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention belongs to the technical field of shock absorption devices, and discloses a combined three-dimensional shock insulation support which comprises a first connecting plate, a second connecting plate and a supporting part positioned between the first connecting plate and the second connecting plate, wherein a plurality of buffer mechanisms are arranged between the first connecting plate and the second connecting plate, the supporting part comprises a rubber layer, a steel plate and a protective sleeve, the rubber layer and the steel plate are provided with a plurality of flanges which are sequentially arranged in an alternate and laminated manner, the steel plate is provided with a flange, the flange is buckled with the rubber layer, the protective sleeve wraps the peripheries of the rubber layer and the steel plate, and the buffer mechanisms comprise movable hinges, dampers, connecting rods and pin shafts; according to the invention, the laminated structure of the steel plate and the rubber and the design of the flanged steel plate effectively improve the vertical and horizontal shock insulation effects, the buffer mechanism is stressed and deformed to effectively play the roles of shock absorption and energy consumption, and the problems of insufficient horizontal and vertical shock insulation capabilities and insufficient stability of the traditional shock insulation support are solved.
Description
Technical Field
The invention relates to the technical field of damping devices, in particular to a combined three-dimensional shock insulation support.
Background
The seismic isolation technology is a vibration control technology developed in recent years and applied to engineering structures, and is characterized in that the effect of earthquake or other vibration on the superstructure can be remarkably reduced, so that the safety of the superstructure is effectively protected.
In recent years, although some progress has been made in the research of three-dimensional shock insulation, practice projects for effective application are few; under the action of a three-dimensional earthquake, particularly under the environment with higher requirements on the vertical load and rigidity of a building structure, the difficulty of vertical shock insulation is higher, and the study at the present stage mainly comprises a rubber shock insulation support, an elastic sliding plate support, a friction pendulum support and the like, although the rubber shock insulation support, the elastic sliding plate support, the friction pendulum support and the like are widely applied to the shock insulation structures of multi-story and high-rise buildings and bridges, the rubber shock insulation support is mainly limited in the horizontal direction for earthquake shock insulation, and the residual force of the shock cannot be actively consumed, so that the rubber shock insulation support belongs to a passive vibration control technology, and the shock insulation support cannot; therefore, the novel support for three-dimensional shock insulation is created on the basis of the traditional horizontal shock insulation support, and is an effective way for simultaneously solving the three-dimensional shock insulation problems in the horizontal direction and the vertical direction of an engineering structure. In addition, along with the development of urban rail transit, the living comfort of the subway line and the upper cover building is influenced by vibration, so that the implementation of the invention has more significance and value.
Disclosure of Invention
Therefore, the invention provides a combined three-dimensional shock insulation support to solve the problem that in the prior art, due to the fact that a traditional shock insulation device is single in structure, good shock insulation effects on horizontal and vertical shock are difficult to achieve simultaneously.
In order to achieve the above purpose, the invention provides the following technical scheme: a combined three-dimensional shock insulation support comprises a first connecting plate, a second connecting plate and a supporting part arranged between the first connecting plate and the second connecting plate, wherein a plurality of buffering mechanisms are wound between the first connecting plate and the second connecting plate and positioned around the supporting part;
the supporting part comprises a rubber layer, a steel plate and a protective sleeve, the rubber layer and the steel plate are provided with a plurality of rubber layers and steel plates which are sequentially arranged in a staggered and laminated mode, the steel plate is provided with a flanging, the flanging is buckled with the rubber layer, and the rubber layer and the steel plate are wrapped by the protective sleeve;
the buffer mechanism comprises four movable hinges, dampers, connecting rods and pin shafts, the connecting rods are equal in length, the four connecting rods are movably connected with the pin shafts sequentially from head to tail through the movable hinges, the movable hinges and the pin shafts are oppositely arranged at intervals, the dampers are arranged between the two pin shafts, and the two movable hinges are respectively and fixedly connected with the first connecting plate and the second connecting plate.
Further, the first connecting plate, the second connecting plate, the rubber layer and the steel plate are in a circular shape which is concentrically arranged.
Based on the technical characteristics, the extrusion expansion of the rubber layer is facilitated, and the overall extrusion anti-seismic performance of the support is improved.
Furthermore, the flanging is wound at the position of the peripheral edge of the steel plate at the same side, and the peripheral edge of the rubber layer is provided with slots matched with the flanging.
Based on the technical characteristics, the thickness of the rubber layer is increased by arranging the flanging steel plate, the correlation between the vertical rigidity and the horizontal rigidity is improved efficiently, the vertical rigidity is reduced under the condition that the horizontal rigidity is unchanged, meanwhile, the stability of the form of the rubber layer can be ensured, the circumferential flanging of the steel plate can generate circumferential constraint on the inner rubber layer, the transverse deformation of the rubber layer of the support under the vertical load action is controlled, larger vertical displacement is provided, the problem that the traditional shock insulation rubber support is insufficient, the structural stability of the rubber layer and the steel plate is guaranteed, and the shock resistance is improved at the same time is.
Furthermore, the movable hinge is a spherical hinge, and a foot pad is arranged between the spherical hinge and the adjacent first connecting plate and second connecting plate.
Based on the technical characteristics, the spherical hinge can ensure that the buffer mechanism can normally work when stressed in multiple directions, a good shock insulation effect is achieved for the stress of the support in the three-dimensional direction, and the foot pad ensures better connection and stress of the buffer mechanism.
Furthermore, the pin shaft is an overrun self-destruction bolt, and the stress intensity of the pin shaft is smaller than that of the movable hinge, the damper and the connecting rod.
Based on the technical characteristics, the pin shaft is timely damaged and fails when being stressed and overloaded so as to protect the rubber support, the damper and the connecting rod.
Furthermore, the centers of the rubber layer and the steel plate are provided with positioning holes, so that the rubber layer and the steel plate can be conveniently installed and positioned.
Furthermore, a plurality of mounting holes are uniformly formed in the edge positions of the first connecting plate and the second connecting plate, so that the support is convenient to mount stably.
The invention has the following advantages:
(1) according to the invention, on the basis of the laminated rubber shock-insulation support, the thickness of the rubber layer is increased by arranging the flanging steel plate, so that the correlation between the vertical rigidity and the horizontal rigidity is efficiently improved, the vertical rigidity is reduced under the condition that the horizontal rigidity is not changed, the stability of the rubber layer form can be ensured, the flanging generates circumferential constraint on the inner rubber layer, the transverse deformation of the rubber layer is controlled and larger vertical displacement is provided under the action of vertical load on the support, and the problems of insufficient horizontal and vertical shock-insulation capabilities and insufficient stability of the traditional shock-insulation rubber support are solved.
(2) When the support is subjected to vibration pressure and has a small vertical deformation value, the shape of the connecting rod shrinks to transmit the pressure to the damper, the damper is stressed and deformed to effectively play a role in shock absorption, and meanwhile, the damper plays a role in energy consumption, prevents residual force of vibration from rebounding, and plays a better role in shock insulation.
(3) The hinge pin with the over-limit self-destruction function is adopted between the connecting rods of the buffer mechanism, and when the vibration pressure is overlarge and the horizontal displacement of the support possibly exceeds the working range of the connecting rods and the damper, the hinge pin can be timely sheared and failed due to overload so as to protect the support, the damper and the connecting rods thereof.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so that those skilled in the art can understand and read the present invention, and do not limit the conditions for implementing the present invention, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the functions and purposes of the present invention, should still fall within the scope of the present invention.
FIG. 1 is an overall structure diagram of a combined three-dimensional seismic isolation bearing provided by the invention;
FIG. 2 is an internal structure diagram of a combined three-dimensional seismic isolation bearing provided by the invention;
FIG. 3 is an assembled view of the support of the present invention;
FIG. 4 is a schematic view of a steel plate of the present invention;
FIG. 5 is a structural view of a cushion mechanism of the present invention;
FIG. 6 is an enlarged view of portion A of FIG. 1;
FIG. 7 is an enlarged view of portion B of FIG. 1;
fig. 8 is an enlarged view of a portion C in fig. 2.
In the figure: 1-a first connecting plate, 11-a mounting hole, 2-a second connecting plate, 3-a supporting part, 31-a rubber layer, 32-a steel plate, 321-a flanging, 33-a protective sleeve, 34-a positioning hole, 4-a buffer mechanism, 41-a movable hinge, 42-a damper, 43-a connecting rod, 44-a pin shaft and 45-a foot pad.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a combined three-dimensional seismic isolation bearing comprises a first connecting plate 1, a second connecting plate 2, a supporting portion 3 and a buffering mechanism 4, wherein the supporting portion 3 and the buffering mechanism 4 are arranged between the first connecting plate 1 and the second connecting plate 2, and the buffering mechanism 4 is arranged in a plurality of numbers and distributed around the supporting portion 3.
As shown in fig. 2 and 3, the support portion 3 includes a rubber layer 31, a steel plate 32, and a protective sleeve 33, the rubber layer 31 and the steel plate 32 are concentrically arranged in a circular shape like the first connecting plate 1 and the second connecting plate 2, and the rubber layer 31 and the steel plate 32 have a smaller diameter than the first connecting plate 1 and the second connecting plate 2. The rubber layer 31 and the steel plate 32 are provided in plural and sequentially stacked alternately to support the first connecting plate 1 and the second connecting plate 2 at both ends. In this embodiment, through setting up steel sheet 32, the thickness of individual layer rubber layer 31 effectively increases for when vertical rigidity reduces, can guarantee again that rubber layer 31 can not produce obvious side direction (extrude) deformation under the effect of upper vertical force, provide the advantage for the great vertical deformation of isolation bearing, thereby play better shock insulation effect to the vertical component of environmental vibration and earthquake, can ensure the stability of rubber layer 31 form simultaneously again. The rubber layer 31 is thick, horizontal rigidity of the support in the horizontal direction is relatively reduced, and horizontal shock insulation effect is enhanced.
As shown in fig. 4 and 8, the steel plate 32 is provided with a flange 321, and the flange 321 is wound around the periphery of the steel plate 32 at the same side, and the periphery of the rubber layer 31 is provided with a slot matching with the flange 321. The turn-ups 321 produces the hoop restraint to inside rubber layer 31 for the support receives under the vertical load effect rubber layer 31 lateral deformation controlled and provide great vertical displacement, and can effectively prevent supporting part 3's skew deformation, has solved traditional shock insulation rubber and has been difficult to realize level and vertical shock insulation and the not enough problem of stability simultaneously.
As shown in fig. 1 and 5, each buffer mechanism 4 includes two movable hinges 41, one damper 42, four connecting rods 43 and two pins 44, the four connecting rods 43 have the same length and are movably connected end to end through the movable hinges 41 and the pins 44, wherein the movable hinges 41 and the pins 44 are arranged opposite to each other at intervals, the damper 42 is arranged between the two pins 44, and the two movable hinges 41 are respectively and fixedly connected with the first connecting plate 1 and the second connecting plate 2. In this embodiment, the buffering mechanism 4 has played the function of a atress deformation decompression energy consumption, namely when first connecting plate 1 and second connecting plate 2 atress, connecting rod 43 compressive deformation for the attenuator 42 is tensile to both sides, and the tensile energy consumption of attenuator 42 offsets pressure, prevents that the residual force of vibrations from kick-backing, plays better shock insulation effect.
In the embodiment, when the support is in a single or complex motion state (including horizontal direction, vertical direction, plane torsion and vertical plane bending), the support 3 and the buffer mechanism 4 jointly bear external stress, and the support and the buffer mechanism jointly work to realize three-dimensional shock insulation of the support.
As shown in fig. 6, as a further improvement of this embodiment, the movable hinge 41 is a spherical hinge, which can ensure that the buffer mechanism 4 can work normally when stressed in multiple directions, and plays a good role in isolating vibration when stressed in three-dimensional directions of the support. A foot pad 45 is arranged between the spherical hinge and the adjacent first connecting plate 1 and second connecting plate 2, the foot pad 45 is detachably connected, and better connection and stress of the buffer mechanism are guaranteed.
As shown in fig. 7, as a further modification of this embodiment, the pin 44 is an overrun self-destruction bolt, and the stress strength thereof is smaller than that of the movable hinge 41, the damper 42 and the link 43. When the vibration pressure is too large and the horizontal displacement of the support may exceed the working amplitude of the connecting rod 43 and the damper 42, the pin shaft will be damaged and failed in time due to overload, so as to protect the support, the damper 42 and the connecting rod 43 thereof. The damper 42 is now deactivated, but without affecting the performance of the support itself.
In this embodiment, the rubber layer 31 and the steel plate 32 are provided with a positioning hole 34 at the center thereof, which facilitates the installation and positioning of the rubber layer 31 and the steel plate 32. The edge positions of the first connecting plate 1 and the second connecting plate 2 are uniformly provided with a plurality of mounting holes 11, so that the support is convenient to mount stably.
In this embodiment, the sizes, shapes, performance parameters and the like of all the components such as the steel plate 32, the rubber layer 31, the damper 42 and the like can be designed according to actual engineering conditions and different requirements for seismic fortification level and vibration control, and the method has strong flexibility and engineering application prospects.
The invention has simple structure, and the production process is basically the same as the production and processing of the common rubber support, so the invention has the advantages of easy production, stable performance, low cost and easy popularization.
The above are typical examples of the present invention, and the practice of the present invention is not limited thereto. In particular, the form of the burring steel plate is not limited to the form in this illustration, nor to the burring being equally tall, continuous, etc.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (7)
1. The utility model provides a modular three-dimensional isolation bearing, includes first connecting plate (1), second connecting plate (2) and sets up supporting part (3) between first connecting plate (1) and second connecting plate (2), between first connecting plate (1) and second connecting plate (2) and be located around supporting part (3) around being equipped with a plurality of buffer gear (4), its characterized in that:
the supporting part (3) comprises a rubber layer (31), a steel plate (32) and a protective sleeve (33), the rubber layer (31) and the steel plate (32) are arranged in a plurality of layers and are sequentially arranged alternately in a laminated mode, a flanging (321) is arranged on the steel plate (32), the flanging (321) is buckled with the rubber layer (31), and the rubber layer (31) and the steel plate (32) are wrapped around by the protective sleeve (33);
buffer gear (4) are including activity hinge (41), attenuator (42), connecting rod (43) and round pin axle (44), connecting rod (43) are provided with four and length equal, and four connecting rod (43) loop through activity hinge (41) and round pin axle (44) swing joint head and the tail, and two liang of intervals of activity hinge (41) and round pin axle (44) set up upright, are provided with attenuator (42) between two round pin axles (44), and two activity hinges (41) correspond first connecting plate (1) and second connecting plate (2) fixed connection respectively.
2. The combined three-dimensional seismic isolation bearing of claim 1, wherein: the first connecting plate (1), the second connecting plate (2), the rubber layer (31) and the steel plate (32) are concentrically arranged in a circular shape.
3. The combined three-dimensional seismic isolation bearing of claim 2, wherein: the flanging (321) is wound at the position of the peripheral edge of the steel plate (32) at the same side, and the peripheral edge of the rubber layer (31) is provided with a slot matched with the flanging (321).
4. The combined three-dimensional seismic isolation bearing of claim 1, wherein: the movable hinge (41) is a spherical hinge, and a foot pad (45) is arranged between the spherical hinge and the adjacent first connecting plate (1) and second connecting plate (2).
5. The combined three-dimensional seismic isolation bearing of claim 1, wherein: the pin shaft (44) is an overrun self-destruction bolt, and the stress intensity of the pin shaft is smaller than that of the movable hinge (41), the damper (42) and the connecting rod (43).
6. The combined three-dimensional seismic isolation bearing according to any one of claims 1 to 5, wherein: the centers of the rubber layer (31) and the steel plate (32) are provided with positioning holes (34).
7. The combined three-dimensional seismic isolation bearing according to any one of claims 1 to 5, wherein: the edge positions of the first connecting plate (1) and the second connecting plate (2) are uniformly provided with a plurality of mounting holes (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011223851.4A CN112459258A (en) | 2020-11-05 | 2020-11-05 | Combined three-dimensional shock insulation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011223851.4A CN112459258A (en) | 2020-11-05 | 2020-11-05 | Combined three-dimensional shock insulation support |
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| Publication Number | Publication Date |
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| CN112459258A true CN112459258A (en) | 2021-03-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011223851.4A Pending CN112459258A (en) | 2020-11-05 | 2020-11-05 | Combined three-dimensional shock insulation support |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530335A (en) * | 2021-07-29 | 2021-10-22 | 北京工业大学 | Three-dimensional shock insulation support |
| CN115387491A (en) * | 2022-09-19 | 2022-11-25 | 金陵科技学院 | Building shock mounting |
| CN115992615A (en) * | 2023-03-21 | 2023-04-21 | 北京建筑大学 | Vertical shock insulation device of rubber shearing formula |
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| WO2001009466A1 (en) * | 1999-08-03 | 2001-02-08 | Mualla Imad H | A device for damping movements of structural elements and a bracing system |
| CN101725190A (en) * | 2010-01-22 | 2010-06-09 | 东南大学 | Three-dimensional composite seismic isolation supporting seat |
| CN103850358A (en) * | 2014-02-21 | 2014-06-11 | 上海大学 | Three-dimensional seism isolation system |
| CN203891204U (en) * | 2014-06-11 | 2014-10-22 | 安徽工业大学 | Shape memory alloy tensile rubber shock isolation support |
| CN205226196U (en) * | 2015-12-11 | 2016-05-11 | 洛阳隆华传热节能股份有限公司 | Air cooling fan crane span structure rubber damping pad device |
| CN209585328U (en) * | 2018-12-07 | 2019-11-05 | 东南大学 | A kind of bionical multi-dimensional shock absorption device with anti-pull-out property |
| KR20200101635A (en) * | 2019-02-20 | 2020-08-28 | 창원문성대학교산학협력단 | Damper with anti-seismic isolation and anti-vibration of the Lintel Type |
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2020
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Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2001009466A1 (en) * | 1999-08-03 | 2001-02-08 | Mualla Imad H | A device for damping movements of structural elements and a bracing system |
| CN101725190A (en) * | 2010-01-22 | 2010-06-09 | 东南大学 | Three-dimensional composite seismic isolation supporting seat |
| CN103850358A (en) * | 2014-02-21 | 2014-06-11 | 上海大学 | Three-dimensional seism isolation system |
| CN203891204U (en) * | 2014-06-11 | 2014-10-22 | 安徽工业大学 | Shape memory alloy tensile rubber shock isolation support |
| CN205226196U (en) * | 2015-12-11 | 2016-05-11 | 洛阳隆华传热节能股份有限公司 | Air cooling fan crane span structure rubber damping pad device |
| CN209585328U (en) * | 2018-12-07 | 2019-11-05 | 东南大学 | A kind of bionical multi-dimensional shock absorption device with anti-pull-out property |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113530335A (en) * | 2021-07-29 | 2021-10-22 | 北京工业大学 | Three-dimensional shock insulation support |
| CN115387491A (en) * | 2022-09-19 | 2022-11-25 | 金陵科技学院 | Building shock mounting |
| CN115992615A (en) * | 2023-03-21 | 2023-04-21 | 北京建筑大学 | Vertical shock insulation device of rubber shearing formula |
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