CN203420369U - Vertical variable rigidity elastic supporting base - Google Patents
Vertical variable rigidity elastic supporting base Download PDFInfo
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- CN203420369U CN203420369U CN201320502623.XU CN201320502623U CN203420369U CN 203420369 U CN203420369 U CN 203420369U CN 201320502623 U CN201320502623 U CN 201320502623U CN 203420369 U CN203420369 U CN 203420369U
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- shock insulation
- lamina
- elastic support
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Abstract
The utility model provides a vertical variable rigidity elastic supporting base which comprises a shock isolation assembly, a laminated plate and a variable rigidity adjusting device. The variable rigidity adjusting device is provided with a groove, the groove comprises an upper cavity and a lower cavity, the upper cavity and the lower cavity are communicated with each other, the upper cavity is of a big-end-up trumpet shape, the side face of the upper cavity comprises an inclined face, the laminated plate comprises at least one overlapping unit, the slope of the inclined face is larger than the slope from the lowermost end of the end face of an upper single-layer board in the overlapping unit to the lowermost end of the end face of a lower single-layer board in the overlapping unit, the length of the lower single-layer board is smaller than the distance between the uppermost ends of the inclined face and larger than the distance between the lowermost ends of the inclined face, the shock isolation assembly is disposed in the lower cavity, and the lower single-layer board is disposed on the shock isolation assembly. By means of the technical scheme, the vertical variable rigidity elastic supporting base has the advantages that the whole structure is simple; the special design of the upper single-layer board and the lower single-layer board in the overlapping unit can guarantee that enough damping force is provided in a limited deformation range, and vertical reset capacity is strong.
Description
Technical field
The utility model relates to shock insulation or damping device design field, relates in particular to a kind of vertical rigidity changeable elastic support.
Background technology
Under the impact of earthquake or other vibrations, the reaction of structure can be divided into horizontal vibrating and vertically shake two kinds, horizontal vibrating often plays control action to structural deterioration, but the fast development along with tall and slender structure, longspan structure etc., the vertical vibrations of vertical earthquake or other form can not be ignored the impact of structure, this class formation, under seismic loading, very easily resonance occurs and destroy, so the research of vertical earthquake isolating technology has suitable application prospect.
At present, seismic isolation technology is mainly horizontal seismic isolation, and vertical earthquake isolating is not controlled to effect, and this safety for structure is extremely unfavorable; In addition, the load that tall and slender structure or longspan structure are delivered on bearing or basis is mainly vertical load, meets under the normal prerequisite of using, and moderate finite deformation does not appear in claimed structure, for antidetonation, requires again to have certain ductility, for example:
CN102953452A(2012.10.26) the combined earthquake isolating equipment of Self-resetting that a kind of vertical bearing capacity is high is disclosed, comprise slidable panels, slide mass, elastic rubbery body and gusset piece, slidable panels is positioned at top, upper head plate for earthquake isolating equipment, gusset piece is positioned at bottom, bottom plate for earthquake isolating equipment, between slidable panels and gusset piece, form accommodation space, a slide mass elastic rubbery body is positioned at accommodation space, slide mass is positioned at the central region of accommodation space, the top of slide mass and the soffit of slidable panels contact, bottom and the gusset piece of slide mass are connected, elastic rubbery body is a plurality of, a plurality of elastic rubbery bodies are evenly arranged in the fringe region of accommodation space, be positioned at the periphery of slide mass, each elastic rubbery body upper, lower end is connected with slidable panels and gusset piece respectively, slide mass and a plurality of elastic rubbery body are horizontal lattice-like and distribute.This kind is designed for the structural response while reducing earthquake.
CN102261037A(applying date 2011.05.06) a kind of vertical elastic tension compression bearing is disclosed, comprise pressing plate, slide plate, wearing plate, steel basin, bear damper, middle steel liner plate, pressure-bearing damper, top board, pressure ring, upper anchor device, lower anchor device, each angle, top board upper surface is fixed with anchor device, slide plate bottom surface is fixed with lower anchor device on each angle, slide plate top is provided with steel basin, steel basin top is fixed with pressure ring, pressing plate is fixed on slide plate both sides, between slide plate and steel basin, be provided with wearing plate, wearing plate surrounding is provided with elastic seal ring, Gang Pennei center is provided with pressure-bearing damper, steel liner plate in the middle of pressure-bearing damper top is fixed with, between middle steel liner plate and pressure ring, be provided with and bear damper, middle steel board top is passed pressure ring and is fixedly connected with top board.The design's stiffness factor is higher, complex structure.
CN202187447U(applying date 2011.06.15, apply on the same day utility model) a kind of structure vertical earthquake isolating, shock absorption system disclosed, except arranging in building structure horizontal seismic isolation or buffer layer, vertical earthquake isolating or buffer layer are set again, in vertical earthquake isolating or buffer layer, there is inclination slide surface parallel, in the same way, and can rigid frame, truss or the structure that horizontal in-plane stiffness is larger be set along inclination slide surface is upper and lower.This vertical earthquake isolating or buffer layer have vertical earthquake isolating, damping capacity, at vertical earthquake isolating or buffer layer, damper, spring, locking device can be set.This design has level and vertical earthquake isolating, damping effect simultaneously, but can only in less deformation range, play good effect.
CN101275442A(applying date 2008.05.16) disclose a kind of vertical rigidity changeable shock insulation support saddle, included steel cylinder, rubber, lead for retractable pencil and change rigid type guiding device.Become the change stiffness curved surface plate that rigid type guiding device includes axle, top board and taper, wherein, the upper end of axle is fixedly connected with top board, one end of the change stiffness curved surface plate of taper is fixedly connected with top board, the other end is fixedly connected with the side of axle, multilayer rubber and a plurality of steel cylinder successively interval are radially arranged on the axle becoming below stiffness curved surface plate, the lead for retractable pencil that horizontal direction is arranged intersects through multilayer steel cylinder and rubber and axle, and all rubber and the lower surface of steel plate form a large cone space of the young lower port in upper end.The structure of this kind of shock isolating pedestal is more complicated, and restriction is not made in vertical displacement, and when vertical displacement is larger, isolating affection is bad, impracticable.
In prior art level and vertical between relation be difficult to coordinate, vertical rigidity is larger, is out of shape littlely, the damping force that therefore can provide is little, anti seismic efficiency is not good enough, thereby causes it to be difficult to be applied or promote.
Utility model content
The utility model object is to provide a kind of simple in structure, vertical rigidity changeable elastic support in vertical direction with larger initial stiffness and less surrender rigidity, this bearing can guarantee to provide enough damping forces in limited deformation range, and vertical reset capability is strong, the technical scheme that reaches above technique effect employing is as follows:
An elastic support, comprises shock insulation assembly, laminated plate and becomes rigidity adjuster;
The upper surface of described change rigidity adjuster is provided with groove, and described groove comprises upper cavity and the lower chamber communicating, and the side of described upper cavity comprises inclined plane;
Described laminated plate is arranged in described upper cavity, and is fixed on described change rigidity adjuster by fixture;
In the vertical cross-section figure of described vertical rigidity changeable elastic support:
Described upper cavity is wide at the top and narrow at the bottom horn-like;
Described laminated plate comprises at least one overlapped elements, and the end face of the upper lamina in described overlapped elements point is bottom less than the slope on described inclined plane to the slope of the end face of the lower lamina in the described overlapped elements formed straight line of point bottom; The length of described lower lamina is less than the distance between the top on described inclined plane, the length of described lower lamina be greater than described inclined plane bottom between distance;
Described shock insulation assembly is arranged in described lower chamber, and described lower lamina is arranged on described shock insulation assembly.
One of preferred version of above technical scheme, the bottom surface of described lower chamber is lower concave curved surface; Described shock insulation assembly comprises upper shock insulation unit, change stiffness tuning plate and the lower shock insulation unit arranging from top to bottom, described lower shock insulation unit is arranged on described lower concave curved surface, described upper shock insulation unit is arranged on the below of described lower lamina, and the end face of described change stiffness tuning plate is greater than zero to the minimum range on the side of described lower shock insulation unit.
Wherein, described upper shock insulation unit is to be lead core rubber support with lower shock insulation unit.
One of preferred version of above technical scheme, the bottom surface of described lower chamber is upper convex surface; Described shock insulation assembly comprises shock insulation unit and the change stiffness tuning plate arranging from top to bottom, and described change stiffness tuning plate arranges on described upper convex surface, and the point on the end face of described change stiffness tuning plate is greater than 0 to the minimum range of the side of described lower chamber; Described shock insulation unit is arranged between described change stiffness tuning plate and described lower lamina.
Wherein, described shock insulation unit is lead core rubber support.
Preferred in above technical scheme, the cross section of described change stiffness tuning plate is circular, arc or square.
Preferred in above technical scheme, described fixture is elastic support.
Preferred in above technical scheme, between described upper lamina and described lower lamina, by bolt or pin, fix.
Preferred in above technical scheme, described upper lamina and lower lamina are steel or copper material.
Preferred in above technical scheme, the cross section of described change rigidity adjuster, upper lamina and lower lamina is circle, arc or square.
Application the technical solution of the utility model, has following beneficial effect:
(1) simple in structure, be convenient to application and produce: vertical rigidity changeable elastic support adopts shock insulation assembly, laminated plate and becomes several most modular design of rigidity adjuster, and overall structure is simple, be convenient to application and produce;
(2) vertical resistance is effective, reset capability is strong: the utility model is in conjunction with having the shock insulation assembly of larger initial stiffness and less surrender rigidity and the unique design of laminated plate, make this bearing can guarantee to provide enough damping forces in limited deformation range, and vertical reset capability is strong.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing that forms the application's a part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model is used for explaining the utility model, does not form improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the vertical cross-section structural representation of the utility model preferred embodiment 1;
Fig. 2 is the partial enlarged drawing of laminated plate in Fig. 1;
Fig. 3 is the vertical cross-section structural representation of the utility model preferred embodiment 2;
1-shock insulation assembly, the upper shock insulation of 11-unit, 12-becomes stiffness tuning plate, shock insulation unit under 13-, 2-laminated plate, the upper lamina of 21-, the end face of the upper lamina of 211-, lamina under 22-, the end face of lamina under 221-, 3-becomes rigidity adjuster, 4-groove, 41-upper cavity, 411-inclined plane, 42-lower chamber, concave curved surface under 421-, 422-upper convex surface, 5-fixture, 6-bolt or pin.
The specific embodiment
Below in conjunction with accompanying drawing, embodiment of the present utility model is elaborated, but the multitude of different ways that the utility model can limit and cover according to claim is implemented.
Embodiment 1:
The utility model discloses a kind of vertical rigidity changeable elastic support, as shown in Figure 1, specifically comprises shock insulation assembly 1, laminated plate 2 and becomes rigidity adjuster 3, and overall structure is simple, easy to use and production.
The upper surface of described change rigidity adjuster 3 is provided with groove 4, and described groove 4 comprises upper cavity 41 and the lower chamber 42 communicating, and the side of described upper cavity 41 comprises inclined plane 411; The bottom surface of described lower chamber 42 is lower concave curved surface 421.
Described laminated plate 2 is arranged in described upper cavity 41, and is fixed on described change rigidity adjuster 3 by fixture 5, and can select the elastic support of good springiness is herein fixture, improves its resistive drag force.
In the vertical cross-section figure of described vertical rigidity changeable elastic support:
Described upper cavity 41 is wide at the top and narrow at the bottom horn-like;
Described laminated plate 2 comprises an overlapped elements, on the end face 211 of the upper lamina 21 in described overlapped elements bottom A point on the end face 221 of the lower lamina 22 in described overlapped elements bottom the slope r2 of the formed straight line L1 of B point be less than the slope r1 on described inclined plane 411; The length L of described lower lamina 22 is less than the distance d1 between the top on described inclined plane 411, the length L of described lower lamina 22 be greater than described inclined plane 411 bottom between distance d2, design is herein mainly used for laminated plate and is subject to after pressure straight down, upper lamina bears the bent distortion of certain dynamics palintrope, drive lower lamina to move down and make its two ends and inclined plane overlap joint, thereby reach the effect that strengthens resistance, refer to Fig. 1 and Fig. 2.
Described shock insulation assembly 1 is arranged in described lower chamber 42, and comprise shock insulation unit 11, become stiffness tuning plate 12 and lower shock insulation unit 13, described lower shock insulation unit 12 is arranged on described lower concave curved surface 421, described change stiffness tuning plate 12 is arranged between described upper shock insulation unit 11 and described lower shock insulation unit 13, described upper shock insulation unit 11 and described lower shock insulation unit 13 are lead core rubber support, have larger initial stiffness and less surrender rigidity.
Described upper shock insulation unit 11 is arranged on the below of described lower lamina 22; Described in the end face of described change stiffness tuning plate 12, the minimum range d3 of the side of lower shock insulation unit 12 is greater than zero, design is herein: under the effect of power, after upper shock insulation unit and described lower shock insulation unit are all surrendered, after laminated plate flexural deformation, the two ends that become stiffness tuning plate are overlapped on lower concave curved surface 421, thereby reach the effect that strengthens resistance.
Between described upper lamina 21 and described lower lamina 22, by high-intensity bolt or pin 6, be fixed together, and both are steel or copper or the good material of other ductility and make, can select according to the actual requirements.
In technique scheme, the cross section of described change rigidity adjuster 3, upper lamina 21, lower lamina 22 and change stiffness tuning plate 4 is circle, arc or square, can select accordingly according to the actual requirements.
Apply vertical rigidity changeable elastic support of the present utility model, concrete principle is: (1) lead core rubber support possesses stronger initial vertical rigidity and less surrender rigidity, under compared with big bang load action, lead core rubber support is surrendered, laminated plate is subject to larger vertical inertia force and occurs bending and deformation, increase along with distortion, the lower lamina of laminated plate and the inclined plane of groove overlap, and due to the bell-mouthed design of groove, make the lower lamina in laminated plate can continue down to produce displacement, thereby reach the object that becomes rigidity; (2) become stiffness tuning plate and under larger vertical uniform load q, bend being subject to, along with the increase of distortion, become stiffness tuning plate and become gradually greatly with the faying surface of lower concave curved surface, the rigidity of change stiffness tuning plate also strengthens along with the increase of being out of shape; (3) lead core rubber support and elastic support all will produce distortion absorption energy.Stiffness tuning by between lead core rubber support, laminated plate and change stiffness tuning plate three, guarantees in limited deformation range, to provide enough damping forces thereby reach, and stronger vertical reset capability is provided.
Can be according to the actual needs, laminated plate is designed to a plurality of overlapped elements, for example laminated plate is the first block of plate from top to bottom overlapping, second block of plate and the 3rd plate composition, in the first overlapped elements of first block of plate and second plate composition, first block of plate is lamina, and second block of plate is lower lamina; In the second overlapped elements of second block of plate and the 3rd plate composition, second block of plate is lamina, and the 3rd block of plate is lower lamina.On each, the thickness of lamina and lower lamina is not restricted, as long as its specific works principle is with above-mentioned laminated plate; The design of the curvature of described curved surface also can be according to the actual mechanical analysis of carrying out.
Embodiment 2:
The difference of the present embodiment and embodiment 1 is:
The bottom surface of the lower chamber 42 of described groove 4 is upper convex surface 422.
Described shock insulation assembly 1 comprises shock insulation unit 11 and change stiffness tuning plate 12, and described change stiffness tuning plate 12 arranges on described upper convex surface 422, and the end face of described change stiffness tuning plate 12 is greater than zero to the minimum range of the side of described lower chamber 42; Described upper shock insulation unit 11 is arranged between described change stiffness tuning plate 12 and described lower lamina 22, refers to Fig. 3.
End face in more than describing refers to connect that face between upper surface and soffit and nearest apart from groove side.
Apply vertical rigidity changeable elastic support of the present utility model, concrete principle is: (1) lead core rubber support possesses stronger initial vertical rigidity and less surrender rigidity, under compared with big bang load action, lead core rubber support is surrendered, laminated plate is subject to larger vertical inertia force and occurs bending and deformation, increase along with distortion, the lower lamina of laminated plate and the inclined plane of groove overlap, and due to the bell-mouthed design of groove, make the lower lamina in laminated plate can continue down to produce displacement, thereby reach the object that becomes rigidity; (2) become stiffness tuning plate and under larger vertical uniform load q, bend being subject to, along with the increase of distortion, become stiffness tuning plate and become gradually greatly with the faying surface of lower concave curved surface, the rigidity of change stiffness tuning plate also strengthens along with the increase of being out of shape; (3) lead core rubber support and elastic support all will produce distortion absorption energy.Stiffness tuning by between lead core rubber support, laminated plate and change stiffness tuning plate three, guarantees in limited deformation range, to provide enough damping forces thereby reach, and stronger vertical reset capability is provided.
Can be according to the actual needs, laminated plate is designed to a plurality of overlapped elements, for example laminated plate is the first block of plate from top to bottom overlapping, second block of plate and the 3rd plate composition, first block of plate and second block of plate form the first overlapped elements, first block of plate is lamina, and second block of plate is lower lamina; Second block of plate and the 3rd block of plate form the second overlapped elements, and second block of plate is lamina, and the 3rd block of plate is lower lamina.On each, the thickness of lamina and lower lamina is not restricted, as long as its specific works principle is with above-mentioned laminated plate; The design of the curvature of described curved surface also can be according to the actual mechanical analysis of carrying out.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, for a person skilled in the art, the utility model can have various modifications and variations.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. a vertical rigidity changeable elastic support, is characterized in that: comprise shock insulation assembly (1), laminated plate (2) and become rigidity adjuster (3);
The upper surface of described change rigidity adjuster (3) is provided with groove (4), and described groove (4) comprises upper cavity (41) and the lower chamber (42) communicating, and the side of described upper cavity (41) comprises inclined plane (411);
Described laminated plate (2) is arranged in described upper cavity (41), and is fixed on described change rigidity adjuster (3) by fixture (5);
In the vertical cross-section figure of described vertical rigidity changeable elastic support:
Described upper cavity (41) is wide at the top and narrow at the bottom horn-like; Described laminated plate (2) comprises at least one overlapped elements, and the end face (211) of the upper lamina (21) in described overlapped elements point (A) is bottom less than the slope (r1) of described inclined plane (411) to the slope (r2) of the end face (221) of the lower lamina (22) in the described overlapped elements formed straight line of point (B) (L1) bottom; The length (L) of described lower lamina (22) is less than the distance (d1) between the tops of described inclined plane (411), and be greater than described inclined plane (411) bottom between distance (d2);
Described shock insulation assembly (1) is arranged in described lower chamber (42), and described lower lamina (22) is arranged on described shock insulation assembly (1).
2. vertical rigidity changeable elastic support according to claim 1, is characterized in that: the bottom surface of described lower chamber (42) is lower concave curved surface (421);
Described shock insulation assembly (1) comprises upper shock insulation unit (11), change stiffness tuning plate (12) and the lower shock insulation unit (13) arranging from top to bottom, it is upper that described lower shock insulation unit (13) is arranged on described lower concave curved surface (421), and described upper shock insulation unit (11) is arranged on the below of described lower lamina (22);
The end face of described change stiffness tuning plate (12) is greater than zero to the minimum range (d3) on the side of described lower shock insulation unit (13).
3. vertical rigidity changeable elastic support according to claim 2, is characterized in that: described upper shock insulation unit (11) and lower shock insulation unit (12) are lead core rubber support.
4. vertical rigidity changeable elastic support according to claim 1, is characterized in that: the bottom surface of described lower chamber (42) is upper convex surface (422);
Described shock insulation assembly (1) comprises the upper shock insulation unit (11) arranging from top to bottom and becomes stiffness tuning plate (12), it is upper that described change stiffness tuning plate (12) arranges described upper convex surface (422), and the end face of described change stiffness tuning plate (12) is greater than zero to the minimum range (d4) of the side of described lower chamber (42); Described upper shock insulation unit (11) is arranged between described change stiffness tuning plate (12) and described lower lamina (22).
5. vertical rigidity changeable elastic support according to claim 4, is characterized in that: described upper shock insulation unit (11) is lead core rubber support.
6. according to the vertical rigidity changeable elastic support described in any one in claim 2-5, it is characterized in that: the cross section of described change stiffness tuning plate (12) is circular, arc or square.
7. vertical rigidity changeable elastic support according to claim 6, is characterized in that: described fixture (5) is elastic support.
8. vertical rigidity changeable elastic support according to claim 1, is characterized in that: between described upper lamina (21) and described lower lamina (22), by bolt or pin, fix.
9. vertical rigidity changeable elastic support according to claim 1, is characterized in that: described upper lamina (21) and described lower lamina (22) are steel or copper material.
10. vertical rigidity changeable elastic support according to claim 1, is characterized in that: the cross section of described change rigidity adjuster (3), upper lamina (21) and lower lamina (22) is circle, arc or square.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320502623.XU CN203420369U (en) | 2013-08-16 | 2013-08-16 | Vertical variable rigidity elastic supporting base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320502623.XU CN203420369U (en) | 2013-08-16 | 2013-08-16 | Vertical variable rigidity elastic supporting base |
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| Publication Number | Publication Date |
|---|---|
| CN203420369U true CN203420369U (en) | 2014-02-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320502623.XU Expired - Lifetime CN203420369U (en) | 2013-08-16 | 2013-08-16 | Vertical variable rigidity elastic supporting base |
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| CN (1) | CN203420369U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410242A (en) * | 2013-08-16 | 2013-11-27 | 姚庚明 | Vertical variable-rigidity elastic support |
-
2013
- 2013-08-16 CN CN201320502623.XU patent/CN203420369U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410242A (en) * | 2013-08-16 | 2013-11-27 | 姚庚明 | Vertical variable-rigidity elastic support |
| CN103410242B (en) * | 2013-08-16 | 2015-07-22 | 姚庚明 | Vertical variable-rigidity elastic support |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140205 Effective date of abandoning: 20150722 |
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| RGAV | Abandon patent right to avoid regrant |