CN114214928A - Shape memory alloy three-dimensional composite shock insulation support - Google Patents
Shape memory alloy three-dimensional composite shock insulation support Download PDFInfo
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- CN114214928A CN114214928A CN202210003473.1A CN202210003473A CN114214928A CN 114214928 A CN114214928 A CN 114214928A CN 202210003473 A CN202210003473 A CN 202210003473A CN 114214928 A CN114214928 A CN 114214928A
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- shock insulation
- connecting plate
- insulation system
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/041—Elastomeric bearings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
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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
- 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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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
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- Emergency Management (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Vibration Prevention Devices (AREA)
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Abstract
The utility model provides a three-dimensional compound isolation bearing of shape memory alloy, relates to the shock insulation technology field, including vertical shock insulation system, connecting plate I, horizontal shock insulation system and connecting plate II, vertical shock insulation system includes rigid housing, combination belleville spring and guide cylinder, connecting plate I includes circular mounting hole I, solid fixed ring and high strength bolt, horizontal shock insulation system includes protection shield I, stromatolite rubber, protection shield II, rubber protective sheath and SMA stranded conductor, and connecting plate II includes circular locating hole, circular mounting hole II and high strength bolt. According to the invention, the three-dimensional shock insulation effect is realized by arranging the horizontal shock insulation system and the vertical shock insulation system, the vertical shock insulation effect of the support is realized by the rigid shell, the combined disc spring and the guide cylinder, the combined disc spring can provide enough bearing capacity and proper vertical shock insulation rigidity, the combined disc spring is an ideal vertical shock insulation element, the laminated rubber and the SMA stranded wire realize the horizontal shock insulation effect of the support, and the SMA stranded wire can play a role in three-dimensional energy consumption to the maximum extent. The three-dimensional composite shock insulation support can be applied to elevated subway station bridge structures and buildings with three-dimensional shock insulation requirements, and has a wide application range.
Description
Technical Field
The invention belongs to the technical field of shock insulation, and particularly relates to a shape memory alloy three-dimensional composite shock insulation support.
Background
In the field of seismic isolation technology, the research and development of seismic isolation technology are mature, and in recent years, the research and development of seismic isolation technology are closely concerned by broad students and engineers. At present, most of shock insulation supports can realize the effect of horizontal shock insulation, the effect of vertical shock insulation can hardly be realized, but vertical earthquake effect can cause serious disasters to the building equally, on the one hand, ground motion is complicated three-way motion, according to the earthquake time course record and the earthquake damage data that have been obtained in recent (super) big earthquakes that take place at home and abroad such as the tang shan earthquake, wenchuan earthquake, etc., in high intensity area, especially in near fault area, the vertical action component of earthquake motion is often stronger, it exceeds the horizontal acceleration peak value to measure the earthquake motion vertical acceleration peak value many times, become the leading cause that leads to the structure collapse destruction. On the other hand, research and actual earthquake damage find that the vertical earthquake action can not cause the structure to be seriously damaged, but can cause the serious damage of internal non-structures, thereby causing the loss of important functions of the structure and causing economic huge loss, and even preventing people in the earthquake from being evacuated. Therefore, it is necessary to develop a three-dimensional seismic isolation bearing capable of simultaneously realizing horizontal seismic isolation and vertical seismic isolation.
Under the action of an earthquake, the vertical vibration control of the structure has greater difficulty than the horizontal vibration control, and the common laminated rubber support hardly plays an effective role because the vertical rigidity of the structure is relatively large. Aiming at the above situation, the realization of the three-dimensional shock insulation technology becomes an important way for solving the vertical shock of the structure on the basis of the existing horizontal shock insulation.
Disclosure of Invention
The invention aims to provide a shape memory alloy three-dimensional composite shock insulation support to solve the problem of three-dimensional shock insulation of an urban elevated subway station bridge structure system, vertical shock insulation can be realized through a rigid shell, a combined disc spring and a guide cylinder, horizontal shock insulation can be realized through laminated rubber, and multi-dimensional shock insulation can be furthest realized through the arrangement of an SMA stranded wire, so that the purpose of three-dimensional shock insulation is realized.
In order to achieve the purpose, the invention adopts the following technical scheme:
a three-dimensional composite shock insulation support made of shape memory alloy comprises a vertical shock insulation system, a connecting plate I, a horizontal shock insulation system and a connecting plate II, wherein the vertical shock insulation system is fixedly connected with the connecting plate I, the horizontal shock insulation system is fixedly bonded with the lower portion of the connecting plate I and the upper portion of the connecting plate II respectively, the connecting plate I comprises a circular mounting hole I, a fixing ring and a high-strength bolt, the connecting plate II comprises a circular positioning hole, a circular mounting hole II and a high-strength bolt, the lower portion of the connecting plate I is fixedly connected with the horizontal shock insulation system through the high-strength bolt, the upper portion of the connecting plate II is fixedly connected with the horizontal shock insulation system through the high-strength bolt, a stable three-dimensional shock insulation system is formed, the vertical shock insulation system comprises a rigid shell, a combined disc spring and a guide cylinder, and the combined disc spring has the advantages of large bearing capacity, small working space, stable mechanical property and the like, the combined disc spring can provide enough bearing capacity and proper vertical shock insulation rigidity, and is an ideal vertical shock insulation element.
The horizontal shock insulation system comprises a protection plate I, laminated rubber, a protection plate II, a rubber protection sleeve and an SMA stranded wire, wherein the laminated rubber plays a vertical shock insulation role, the rubber protection sleeve surrounds the outer layer of the laminated rubber and is used for protecting the laminated rubber and prolonging the service life of the three-dimensional composite shock insulation support, the SMA stranded wire is arranged on four surfaces of the three-dimensional composite shock insulation support in a crossed mode through fixing rings, and the SMA material has a shape memory effect and a super-elastic effect.
The shape memory alloy three-dimensional composite shock insulation support has the following beneficial effects:
(1) the combined disc spring has the advantages of large bearing capacity, small working space, stable mechanical property and the like, can provide enough bearing capacity and proper vertical shock insulation rigidity, can realize vertical shock insulation effect, and can improve the stable bearing capacity of the support.
(2) The guide tube of the present invention limits the horizontal displacement of the combined belleville spring so that it can only undergo vertical displacement.
(3) The SMA stranded wire disclosed by the invention has super-elasticity performance, can exert three-dimensional energy consumption capacity to the maximum extent, and has a better shock insulation effect compared with a common laminated rubber support.
(4) The three-dimensional composite shock insulation support is cheap in material, simple in structure and convenient to install.
(5) The three-dimensional composite shock insulation support can be applied to urban elevated subway station bridge structures and house building structures with higher requirements on three-dimensional shock insulation, and has a wide application range.
Drawings
FIG. 1 is a schematic view of the overall structure of a shape memory alloy three-dimensional composite seismic isolation bearing provided by the invention;
FIG. 2 is a cross-sectional view of the shape memory alloy three-dimensional composite seismic isolation bearing provided by the invention;
FIG. 3 is a cross-sectional view of a vertical seismic isolation system of the shape memory alloy three-dimensional composite seismic isolation bearing provided by the invention;
FIG. 4 is a bottom view of the shape memory alloy three-dimensional composite seismic isolation bearing provided by the invention.
In fig. 1-4: 1-vertical shock insulation system, 101-rigid shell, 102-combined disc spring, 103-guide cylinder, 2-connecting plate I, 201-circular mounting hole I, 202-fixing ring, 203-high-strength bolt, 3-horizontal shock insulation system, 301-protecting plate I, 302-laminated rubber, 303-protecting plate II, 304-rubber protective sleeve, 305-SMA stranded wire, 4-connecting plate II, 401-circular positioning hole, 402-circular mounting hole II, 403-high-strength bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and examples.
As shown in fig. 1-4, the shape memory alloy three-dimensional composite shock insulation support comprises a vertical shock insulation system 1, a connecting plate I2, a horizontal shock insulation system 3 and a connecting plate II 4, wherein the vertical shock insulation system 1 is fixedly connected with the connecting plate I2, the horizontal shock insulation system 3 is fixedly bonded with the lower portion of the connecting plate I2 and the upper portion of the connecting plate II 4 respectively, the connecting plate I2 comprises a circular mounting hole I201, a fixing ring 202 and a high-strength bolt 203, the connecting plate II 4 comprises a circular positioning hole 401, a circular mounting hole II 402 and a high-strength bolt 403, the lower portion of the connecting plate I2 is fixedly connected with the horizontal shock insulation system 3 through the high-strength bolt 203, and the upper portion of the connecting plate II 4 is fixedly connected with the horizontal shock insulation system 3 through the high-strength bolt 403 to form a stable three-dimensional shock insulation system.
Vertical shock insulation system 1 includes rigid housing 101, combination belleville spring 102 and guide tube 103, because combination belleville spring 102 has that the bearing capacity is big, and working space is little, advantages such as mechanical properties stability can realize vertical shock insulation effect, makes up current ordinary stromatolite rubber bearing and can only realize the not enough of horizontal shock insulation.
The vertical shock insulation system 1 is formed by serially combining a plurality of disc springs, the horizontal displacement of the combined disc spring 102 is limited by arranging a guide cylinder 103 at the center, so that the combined disc spring can almost only generate vertical displacement, and the guide cylinder 103 is connected between the rigid shell 101 and the connecting plate I2 in a welding mode.
Horizontal shock insulation system 3 includes protection shield I301, stromatolite rubber 302, protection shield II 303, rubber protective sheath 304 and SMA stranded conductor 305, stromatolite rubber 302 plays vertical shock insulation's effect, rubber protective sheath 304 surrounds the skin at stromatolite rubber 302 for protection stromatolite rubber 302 reduces the environment and to shock insulation system's corrosive action, prolongs three-dimensional compound shock insulation support's life.
The eight groups of fixing rings 202 are symmetrically welded on the lower surface of the connecting plate I2 and the upper surface of the connecting plate II 4, the SMA stranded wires 305 are crosswise arranged on four surfaces of the three-dimensional composite shock-insulation support through the fixing rings 202, and the SMA material has a shape memory effect and a superelasticity effect.
The invention relates to a shape memory alloy three-dimensional composite shock insulation support which is used in the process of using,
and 4, welding the lower end of the guide cylinder 103 on the upper surface of the connecting plate I2, then installing the two combined disc springs 102 on two sides of the guide cylinder 103 between the connecting plate I2 and the rigid shell 101, and finally welding and fixing the upper end of the guide cylinder 103 and the rigid shell 101.
And 5, mounting the assembled three-dimensional composite vibration-isolating support between the foundation and the upper structure through a circular mounting hole II 402.
The above embodiments are merely illustrative of the application of the present invention, and various other modifications, substitutions and changes in the structure and materials used therein without departing from the spirit and scope of the invention may be made by applying ordinary skill and knowledge within the scope of the art.
Claims (2)
1. A shape memory alloy three-dimensional composite shock insulation support is characterized by comprising a vertical shock insulation system (1), a connecting plate I (2), a horizontal shock insulation system (3) and a connecting plate II (4), wherein the vertical shock insulation system (1) is fixedly connected with the connecting plate I (2), the horizontal shock insulation system (3) is respectively bonded and fixed with the lower portion of the connecting plate I (2) and the upper portion of the connecting plate II (4), the connecting plate I (2) comprises a circular mounting hole I (201), a fixing ring (202) and a high-strength bolt (203), the connecting plate II (4) comprises a circular positioning hole (401), a circular mounting hole II (402) and a high-strength bolt (403), the lower portion of the connecting plate I (2) is fixedly connected with the horizontal shock insulation system (3) through the high-strength bolt (203), the upper portion of the connecting plate II (4) is fixedly connected with the horizontal shock insulation system (3) through the high-strength bolt (403), the vertical shock insulation system comprises a rigid shell (101), a combined disc spring (102) and a guide cylinder (103), wherein the combined disc spring (102) has the advantages of large bearing capacity, small working space, stable mechanical property and the like, the combined disc spring (102) can provide enough bearing capacity and proper vertical shock insulation rigidity and is an ideal vertical shock insulation element, the vertical shock insulation system (1) is formed by connecting a plurality of disc springs in series, the horizontal displacement of the combined disc spring (102) is limited by the guide cylinder (103) at the center, so that the combined disc spring can only generate vertical displacement, and the guide cylinder (103) is connected between the rigid shell (101) and a connecting plate I (2) in a welding mode.
2. The shape memory alloy three-dimensional composite seismic isolation bearing according to claim 1, wherein the horizontal seismic isolation system (3) comprises a protective plate I (301), laminated rubber (302), a protective plate II (303), a rubber protective sleeve (304) and SMA strands (305), the laminated rubber (302) plays a role of vertical seismic isolation, the rubber protective sleeve (304) surrounds the outer layer of the laminated rubber (302) and is used for protecting the laminated rubber (302) and prolonging the service life of the three-dimensional composite seismic isolation bearing, the SMA strands (305) are arranged on four surfaces of the three-dimensional composite seismic isolation bearing in a crossed mode through fixing rings (202), and the SMA material has a shape memory effect and a super-elastic effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210003473.1A CN114214928A (en) | 2022-01-04 | 2022-01-04 | Shape memory alloy three-dimensional composite shock insulation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210003473.1A CN114214928A (en) | 2022-01-04 | 2022-01-04 | Shape memory alloy three-dimensional composite shock insulation support |
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| Publication Number | Publication Date |
|---|---|
| CN114214928A true CN114214928A (en) | 2022-03-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210003473.1A Pending CN114214928A (en) | 2022-01-04 | 2022-01-04 | Shape memory alloy three-dimensional composite shock insulation support |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922304A (en) * | 2022-04-27 | 2022-08-19 | 中国人民解放***箭军工程大学 | Cylindrical equipment three-dimensional shock insulation transportation/storage system based on negative rigidity |
| CN115306050A (en) * | 2022-07-11 | 2022-11-08 | 路安交科(北京)监测科技有限公司 | Brush type three-dimensional shock isolator |
-
2022
- 2022-01-04 CN CN202210003473.1A patent/CN114214928A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922304A (en) * | 2022-04-27 | 2022-08-19 | 中国人民解放***箭军工程大学 | Cylindrical equipment three-dimensional shock insulation transportation/storage system based on negative rigidity |
| CN114922304B (en) * | 2022-04-27 | 2023-09-29 | 中国人民解放***箭军工程大学 | Cylindrical equipment three-dimensional shock insulation transportation/storage system based on negative rigidity |
| CN115306050A (en) * | 2022-07-11 | 2022-11-08 | 路安交科(北京)监测科技有限公司 | Brush type three-dimensional shock isolator |
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