CN216973094U - Multidimensional energy consumption support supported by spring - Google Patents
Multidimensional energy consumption support supported by spring Download PDFInfo
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- CN216973094U CN216973094U CN202121351943.0U CN202121351943U CN216973094U CN 216973094 U CN216973094 U CN 216973094U CN 202121351943 U CN202121351943 U CN 202121351943U CN 216973094 U CN216973094 U CN 216973094U
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Abstract
The utility model relates to a spring-supported multidimensional energy-consuming support which comprises an upper support plate (3) and a lower support plate (4), wherein a lower concave upper spherical crown lining plate (5) and an upper convex lower spherical crown lining plate (6) are arranged between the upper support plate and the lower support plate, the upper spherical crown lining plate (5) and the middle position of the opposite surface of the lower spherical crown lining plate (6) are connected in a spherical hinge mode, a horizontal limiting connecting block (12) is arranged between the upper support plate (3) and the upper spherical crown lining plate (5), and a horizontal supporting spring (10) is arranged between the horizontal limiting connecting blocks (12); horizontal limiting connecting blocks (12) are arranged between the lower support plate (4) and the lower spherical crown lining plate (6), horizontal supporting springs (10) are arranged between the horizontal limiting connecting blocks (12), and a corrugated dust cover (15) is arranged on the annular side wall between the upper support plate (3) and the lower support plate (4). The utility model has the beneficial effects that: the device can realize translation and rotation deformation, has large elastic energy consumption, strong self-reset function and no damage to deformation.
Description
Technical Field
The utility model belongs to the technical field of bridge engineering supports, and particularly relates to a spring-supported multidimensional energy-consuming support.
Background
The influence of earthquake on human life and national economy cannot be ignored. In areas affected by earthquake disasters, most roads and bridges are damaged in different degrees, and the bridge is used as an important component in traffic engineering, so that the damage of the bridge directly affects the timeliness of rescue of people in the affected areas and the safety of travel. Taking Wenchuan earthquake as an example, through post-disaster statistical analysis, areas with seriously damaged bridges are mainly in serious disaster areas and major disaster areas. The seismic performance of the bridge is influenced by a plurality of factors, wherein the seismic performance of the bridge is greatly improved by the development and application of the seismic isolation support. The seismic isolation and reduction technology is a simple, convenient, economic and advanced engineering seismic resistance means, and a specially-made seismic isolation and reduction component and a specially-made seismic isolation and reduction device are utilized, so that the seismic isolation and reduction component can generate larger deformation and consume a large amount of energy during strong earthquake, and the seismic energy is reduced or prevented from entering a main body structure.
Traditional friction pendulum subtracts isolation bearing can attach vertical displacement when taking place rotary displacement, to continuous beam structure, has attached the support and has forced the position in other words, can produce secondary negative moment effect to the roof beam body, and is unfavorable to the roof beam body. The shock absorption and isolation support taking rubber as a support and deforming system has limited vertical support rigidity and horizontal shearing rigidity, and during earthquake action, the support has small energy consumption and unobvious shock absorption effect, most of earthquake energy needs to pass through lower structures such as piers and the like, so that the damage to the components such as the piers and the like is easily caused, the repair is difficult, and the bridge collapses in severe cases.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems in the background technology and provide a multidimensional energy-consuming support supported by a spring, which can realize translational and rotational deformation, has large elastic energy consumption, strong self-resetting function, no damage to deformation and easy quality guarantee.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a multidimensional energy consumption support supported by a spring is arranged between a beam body 1 and a cushion stone 2, and comprises an upper support plate 3 and a lower support plate 4 which are arranged at the upper side and the lower side and are respectively fixed with the beam body 1 and the cushion stone 2 through anchor rods 14, the middle part between the upper support plate 3 and the lower support plate 4 is respectively provided with a concave upper spherical crown lining plate 5 which is mutually contacted with the upper support plate 3, and an upper convex lower spherical crown lining plate 6 which is mutually contacted with the lower support plate 4, the middle positions of the opposite surfaces of the upper spherical crown lining plate 5 and the lower spherical crown lining plate 6 are connected in a spherical hinge way, a spherical polytetrafluoroethylene base plate 7 is arranged at the spherical hinge joint between the upper spherical crown lining plate 5 and the lower spherical crown lining plate 6, horizontal limiting connecting blocks 12 are uniformly and horizontally arranged in a gap between the upper support plate 3 and the upper spherical crown lining plate 5 in an annular direction, and a horizontal supporting spring 10 is arranged between the horizontal limiting connecting blocks 12; lower bolster board 4 and lower spherical crown welt 6 between the clearance in the hoop even level be provided with horizontal spacing connecting block 12, horizontal spacing connecting block 12 between be provided with horizontal supporting spring 10, 3 bottom surfaces of upper bracket board and last spherical crown welt 5 mutual contact surface on be provided with plane polytetrafluoroethylene backing plate 8, be provided with plane polytetrafluoroethylene backing plate 8 on 4 top surfaces of lower bolster board and the lower spherical crown welt 6 mutual contact surface, last spherical crown welt 5, lower spherical crown welt 6 between set up the contact gap, can inject the biggest permitted corner, set up hoop rubber packing ring 13 between the contact gap, annular lateral wall between upper bracket board 3, the lower bolster board 4 be provided with and form enclosure's ripple shape dust cover 15 between upper bracket board 3, the lower bolster board 4.
The upper support plate 3, the lower support plate 4, the upper spherical crown lining plate 5 and the lower spherical crown lining plate 6 are made of stainless steel and are horizontally placed.
The upper spherical crown lining plate 5 and the lower spherical crown lining plate 6 can be formed by welding a spherical hinge by a flat steel plate and can also be formed by die casting and forging.
The upper spherical crown lining plate 5 and the lower spherical crown lining plate 6 are annularly and uniformly distributed between opposite surfaces to form vertical limiting connecting blocks 11, and vertical supporting springs 9 are arranged between the vertical limiting connecting blocks 11.
The vertical supporting spring 9 and the horizontal supporting spring 10 can be cylindrical spiral springs or non-cylindrical spiral springs.
The vertical limiting connecting block 11 and the horizontal limiting connecting block 12 can be rectangular or circular.
The utility model has the beneficial effects that: firstly, the inertia force from the horizontal direction under the action of earthquake overcomes the small friction force on the contact surfaces between the upper support plate 3 and the upper spherical crown lining plate 5 and between the lower support plate 4 and the lower spherical crown lining plate 6, so that the horizontal support spring 10 is stretched or compressed to deform, the displacement in the horizontal direction is generated, the horizontal movement of the upper and lower structures generates time difference in the displacement process, and further, the good shock insulation effect is realized; meanwhile, compared with a rubber support system in the prior art, the elastic rigidity of the horizontal supporting spring 10 arranged annularly is huge, the horizontal elastic energy consumption is large, and the self-resetting function is good; secondly, the support does not generate additional vertical displacement when rotating, namely, the secondary negative bending moment effect on the continuous beam body 1 is not generated, and the additional influence of deformation on the beam body 1 is small; thirdly, the vertical supporting springs 9 arranged in the circumferential direction, the upper spherical crown lining plate 5, the lower spherical crown lining plate 6 and the spherical polytetrafluoroethylene lining plate 7 rotate to form a rotary displacement energy dissipation mechanism through spherical hinges, so that the elastic energy dissipation is large, and the self-resetting function is strong; fourthly, the translation displacement and the rotation displacement are independent and can work cooperatively, and the horizontal supporting spring 10 and the vertical supporting spring 9 form a multidimensional energy dissipation mechanism together.
Drawings
FIG. 1 is a front view of a spring-loaded multi-dimensional energy dissipating mount of the present invention;
FIG. 2 is a plan sectional view of the present invention;
FIG. 3 is a sectional elevation view of the pedestal system of the present invention;
FIG. 4 is a schematic view of the connection between the horizontal support spring and the limit connection block of the present invention;
fig. 5 is a schematic view of the connection between the vertical support spring and the limit connection block in the present invention.
In the figure: the beam body 1, the base stone 2, the upper bracket board 3, the lower support board 4, go up spherical crown welt 5, spherical crown welt 6 down, sphere polytetrafluoroethylene backing plate 7, plane polytetrafluoroethylene backing plate 8, vertical steel spring 9, horizontal steel spring 10, vertical spacing connecting block 11, horizontal spacing connecting block 12, rubber packing ring 13, stock 14, wave form dust cover 15.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to fig. 1-5, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, rather than all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work based on the embodiments of the present invention belong to the protection scope of the present invention.
As shown in fig. 1 to 5, the specific structure is as follows: the support comprises an upper support plate 3 and a lower support plate 4 which are arranged at the upper side and the lower side and are respectively fixed with a beam body 1 and a cushion stone 2 through an anchor rod 14, wherein a concave upper spherical crown lining plate 5 mutually contacted with the upper support plate 3 and an convex lower spherical crown lining plate 6 mutually contacted with the lower support plate 4 are respectively arranged at the middle part between the upper support plate 3 and the lower support plate 4, the middle parts of the opposite surfaces of the upper spherical crown lining plate 5 and the lower spherical crown lining plate 6 are connected in a spherical hinge mode, a spherical polytetrafluoroethylene lining plate 7 is arranged at the spherical hinge joint between the upper spherical crown lining plate 5 and the lower spherical crown lining plate 6, horizontal limit connecting blocks 12 are uniformly and horizontally arranged in the gap between the upper support plate 3 and the upper spherical crown lining plate 5, and a horizontal support spring 10 is arranged between the horizontal limit connecting blocks 12; the inner ring of the gap between the lower support plate 4 and the lower spherical crown lining plate 6 is uniformly and horizontally provided with horizontal limiting connecting blocks 12, a horizontal supporting spring 10 is arranged between the horizontal limiting connecting blocks 12, the contact surface between the bottom surface of the upper support plate 3 and the upper spherical crown lining plate 5 is provided with a plane polytetrafluoroethylene lining plate 8, the contact surface between the top surface of the lower support plate 4 and the lower spherical crown lining plate 6 is provided with a plane polytetrafluoroethylene lining plate 8, a contact gap of 5-10 cm is arranged between the upper spherical crown lining plate 5 and the lower spherical crown lining plate 6, the maximum allowable rotation angle is limited (generally 0.02-0.05 rad) according to the requirement of the magnitude of earthquake force, a rubber gasket 13 is arranged between the contact gaps, the annular side wall between the upper support plate 3 and the lower support plate 4 is provided with a corrugated dust cover 15 which forms a closed space with the upper support plate 3 and the lower support plate 4, the corrugated dust cover 15 can be made of rubber or metal, and is connected with the upper support plate 3 and the lower support plate 4 and sealed to form a ring. The upper support plate 3, the lower support plate 4, the upper spherical crown lining plate 5 and the lower spherical crown lining plate 6 are made of stainless steel and are horizontally placed. The upper spherical crown lining plate 5 and the lower spherical crown lining plate 6 can be formed by welding a flat steel plate and a spherical hinge and can also be formed by die casting and forging.
The relative surfaces of the upper spherical crown lining plate 5 and the lower spherical crown lining plate 6 are uniformly connected and provided with vertical limiting connecting blocks 11 in an annular distribution mode, and vertical supporting springs 9 are arranged between the vertical limiting connecting blocks 11.
The vertical supporting spring 9 and the horizontal supporting spring 10 can be cylindrical spiral springs or non-cylindrical spiral springs.
The vertical limit connecting block 11 and the horizontal limit connecting block 12 can be rectangular or circular.
A multidimensional energy consumption support supported by springs is applied to bridge engineering, in particular to a bridge seismic reduction and isolation energy consumption support applied to a high-intensity seismic region, and can be arranged between a beam body 1 and a pad stone 2. Under the action of horizontal force of earthquake load, the support can realize multidirectional translational displacement and realize the shock insulation effect of an upper part and a lower part structure, and the horizontal supporting spring 10 has higher elastic rigidity, strong elastic deformation energy consumption capacity and good self-resetting function; the rotary spherical hinge structure is formed by the upper spherical crown lining plate 5, the lower spherical crown lining plate 6 and the spherical polytetrafluoroethylene base plate 7 arranged between the upper spherical crown lining plate and the lower spherical crown lining plate, when the support is impacted by seismic waves from different directions, the rotary spherical hinge can rotate in any direction, so that the vertical steel spring 9 is stretched or compressed and deformed, the vertical steel spring 9 has higher elastic rigidity and strong elastic deformation energy consumption capability, and can buffer and dissipate the impact action of the seismic waves on a bridge; the vertical limiting connecting block 11 connects the vertical supporting spring 9 with the upper spherical crown lining plate 5 and the lower spherical crown lining plate 6 to form a rotary displacement energy dissipation device; a contact gap of 5-10 cm is arranged between the upper spherical cap lining plate 5 and the lower spherical cap lining plate 6, the maximum allowable rotation angle (which can be set according to the requirement of the magnitude of the earthquake force and is generally 0.02-0.05 rad) can be set according to the calculation requirement, and rubber gaskets 13 are arranged between the contact gaps and on the surface of the lower spherical cap lining plate 6 to avoid rigid collision; the bottom surface of the upper support plate 3 and the mutual contact surface with the upper spherical crown lining plate 5 are provided with a plane polytetrafluoroethylene backing plate 8, the top surface of the lower support plate 4 and the mutual contact surface with the lower spherical crown lining plate 6 are provided with the plane polytetrafluoroethylene backing plate 8, the upper spherical crown lining plate 5 and the lower spherical crown lining plate 6 can respectively slide in the horizontal direction on the bottom surface of the upper support plate 3 and the top surface of the lower support plate 4, the upper support plate 3, the lower support plate 4, the upper spherical crown lining plate 5 and the lower spherical crown lining plate 6 are provided with a circumferential horizontal supporting spring 10 through a horizontal limiting connecting block 12 for connection, the lower support bears the inertia force in the horizontal direction under the action of earthquake, because the upper support plate 3 and the upper spherical crown lining plate 5 are in contact arrangement, the displacement in the horizontal direction can be generated between the upper support plate and the lower spherical crown lining plate, the time difference can be generated in the displacement process, so that a good shock insulation effect can be generated, and strong horizontal elastic rigidity can be realized, the top and bottom surface translational displacement energy dissipation devices of the support are formed, the damping effect is good, and the self-resetting function is good; thus, a multidirectional displacement device with mutually independent translational displacement and rotary displacement and cooperative work is constructed, and the horizontal supporting spring 10 and the vertical supporting spring 9 form a multidimensional energy dissipation mechanism together.
Claims (2)
1. The utility model provides a multidimensional power consumption support that spring supported which characterized in that: the support is arranged between a beam body (1) and a cushion stone (2), the support comprises an upper support plate (3) and a lower support plate (4) which are arranged at the upper side and the lower side and are respectively fixed with the beam body (1) and the cushion stone (2) through an anchor rod (14), a concave upper spherical crown lining plate (5) which is in mutual contact with the upper support plate (3) and an convex lower spherical crown lining plate (6) which is in mutual contact with the lower support plate (4) are respectively arranged at the middle part between the upper support plate (3) and the lower support plate (4), the middle positions of the opposite surfaces of the upper spherical crown lining plate (5) and the lower spherical crown lining plate (6) are connected in a spherical hinge mode, a spherical polytetrafluoroethylene lining plate (7) is arranged at the spherical hinge joint between the upper spherical crown lining plate (5) and the lower spherical crown lining plate (6), a horizontal limiting connecting block (12) is uniformly and horizontally arranged in the gap between the upper support plate (3) and the upper spherical crown lining plate (5), a horizontal supporting spring (10) is arranged between the horizontal limiting connecting blocks (12); a horizontal limiting connecting block (12) is uniformly and horizontally arranged in the gap between the lower support plate (4) and the lower spherical crown lining plate (6) in an annular direction, a horizontal supporting spring (10) is arranged between the horizontal limiting connecting blocks (12), a plane polytetrafluoroethylene backing plate (8) is arranged on the contact surface of the bottom surface of the upper support plate (3) and the upper spherical crown lining plate (5), a plane polytetrafluoroethylene backing plate (8) is arranged on the contact surface of the top surface of the lower support plate (4) and the lower spherical crown lining plate (6), contact gaps are arranged between the upper spherical crown lining plate (5) and the lower spherical crown lining plate (6), rubber gaskets (13) are arranged between the contact gaps and on the surface of the lower spherical crown lining plate (6), the annular side wall between the upper support plate (3) and the lower support plate (4) is provided with a corrugated dustproof cover (15) which forms a closed space with the upper support plate (3) and the lower support plate (4).
2. A spring-loaded multi-dimensional dissipative support according to claim 1, wherein: the spherical crown lining plate is characterized in that vertical limiting connecting blocks (11) are evenly distributed between the opposite surfaces of the upper spherical crown lining plate (5) and the lower spherical crown lining plate (6) in an annular mode, and vertical supporting springs (9) are arranged between the vertical limiting connecting blocks (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121351943.0U CN216973094U (en) | 2021-06-17 | 2021-06-17 | Multidimensional energy consumption support supported by spring |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121351943.0U CN216973094U (en) | 2021-06-17 | 2021-06-17 | Multidimensional energy consumption support supported by spring |
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| CN216973094U true CN216973094U (en) | 2022-07-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121351943.0U Active CN216973094U (en) | 2021-06-17 | 2021-06-17 | Multidimensional energy consumption support supported by spring |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126113A (en) * | 2022-08-16 | 2022-09-30 | 深圳大学 | Multidirectional composite shock insulation support |
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2021
- 2021-06-17 CN CN202121351943.0U patent/CN216973094U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115126113A (en) * | 2022-08-16 | 2022-09-30 | 深圳大学 | Multidirectional composite shock insulation support |
| CN115126113B (en) * | 2022-08-16 | 2024-03-29 | 深圳大学 | Multidirectional composite shock insulation support |
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