CN102392489B - Semi-spherical rubber belt lead-core shock isolating and absorbing device - Google Patents
Semi-spherical rubber belt lead-core shock isolating and absorbing device Download PDFInfo
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- CN102392489B CN102392489B CN 201110316604 CN201110316604A CN102392489B CN 102392489 B CN102392489 B CN 102392489B CN 201110316604 CN201110316604 CN 201110316604 CN 201110316604 A CN201110316604 A CN 201110316604A CN 102392489 B CN102392489 B CN 102392489B
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- ball base
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- lower ball
- retractable pencil
- lead
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Abstract
The invention relates to a semi-spherical rubber belt lead-core shock isolating and absorbing device, which comprises an upper ball seat, a lower ball seat and a set of rubber gaskets; the upper ball eat comprises an upper plate and a spherical cap cast together, the part of the spherical cap which is close to the upper plate is shrunk toward center of the sphere for forming a wedge-shaped included angle with the upper plate, the center of the lower ball seat is opened with a concave spherical surface which is corresponded to the shape of the spherical cap, the spherical cap is arranged in the concave spherical surface and is capable of sliding freely therein, the rubber gaskets are distributed symmetrically around the outer surface of the spherical cap, the surface which is close to the spherical cap is a concave arc surface and forms a wedge body which is corresponded to the shape of the wedge-shaped included angle with the top surface, the wedge body is wedged into the wedge-shaped included angle and is hooped with the spherical cap, the rubber gaskets and the lower ball seat are penetrated by lead cores uniformly in the toroidal direction, and the lead cores are fitted with both the rubber gaskets and the lower ball seat in tight way. The semi-spherical rubber belt lead-core shock isolating and absorbing device has advantages of high vertical rigidity and good shock isolating performance, simple structure and convenient installation and the like; the semi-spherical rubber belt lead-core shock isolating and absorbing device can be widely used in base isolation of building, and especially of high-rise building.
Description
Technical field
The present invention relates to a kind of shock insulation damping device, especially a kind of shock insulation damping device that is installed in the position, building foundation.
Background technology
Along with the mankind to natural continuous infringement, earth inherence is changed, the frequency that earthquake takes place is more and more, the earth has endangered the reliable environment and architecture of human living.So also more and more higher to providing fortification against earthquakes of building, the past adopts dead anti-hard anti-condition that antiseismic generation is brought very big harm to building to building.Shock isolating pedestal commonly used has neoprene bearing, friction bearing and spring fastening, and neoprene bearing has good shock-absorbing performance, simple structure, is easy to make, cost is low, save steel.But, generally only be applicable to 5-8 layer building.The vertical load of highrise building is difficult to bear, if select the major diameter neoprene bearing for use, increases building costs greatly, satisfies the shockproof requirements of macroseism to building surely but also differ.In addition, be one by elongated bolt between the last lower ball base, the plastic strain of screw rod is limited, under the larger earthquake horizontal force action, very easily occurs because the situation that the connecting bolt fracture causes bearing to lose efficacy.Though the friction bearing has bigger degree of freedom, there are shortcomings such as difficulty resets, and sliding is wayward in it, causes it not to be widely used.The spring fastening damping is less, but general needs and damper are used, and its isolating affection and range of application are subjected to the restriction of spring strength and rigidity.
Summary of the invention
The purpose of this invention is to provide a kind of semi-round ball rubber strip lead for retractable pencil shock insulation damping device, it is low to solve simple neoprene bearing vertical bearing capacity, can not be used for the technical problem of highrise building shock insulation; And it is limited to solve existing shock isolating pedestal horizontal distortion, the technical problem that the earthquake isolation effect is bad.
For achieving the above object, the present invention adopts following technical scheme:
A kind of semi-round ball rubber strip lead for retractable pencil shock insulation damping device, comprise upper ball base, lower ball base and one group of rubber pad, described rubber pad pad is between upper ball base and lower ball base, and connect as one with upper ball base and lower ball base respectively by the assembly hole that special bolt penetrates reservation, all be reserved with connecting hole on described upper ball base and the lower ball base, described upper ball base comprises upper plate body and the spherical crown that is cast as one with it, described spherical crown contracts in the centre of sphere near the upper plate body position, and form wedged gap with upper plate body, described lower ball base central authorities have one with the corresponding arcs of recesses sphere of spherical crown shape, described spherical crown places in the arcs of recesses sphere, and be free to slide within it, described rubber pad ring spherical crown external surface is symmetrically distributed, and its one side near spherical crown is an inner concave arc surface, and forms the wedge corresponding with the wedged gap shape with end face, in the described wedge wedging wedged gap, with the spherical crown hoop be one, the lead for retractable pencil that hoop evenly is installed with on described rubber pad and the lower ball base, described lead for retractable pencil and rubber pad and lower ball base are tight fit.
Be lined with plasticity cambered surface slide plate on the described arcs of recesses sphere.
Described plasticity cambered surface slide plate is a polyfluortetraethylene plate, and its thickness is 12～20mm.
The height R of described spherical crown
1Be 50～80mm, the radius R of described arcs of recesses sphere
2＜35R
1
Described upper plate body and lower ball base are cuboid, and its bottom side length is 400～800mm; The thickness H of upper plate body
3Be 50～80mm, the thickness H of lower ball base
1Be 80～150mm.
Described connecting hole is main connecting hole or the main connecting hole and the combination that is distributed in the auxiliary connecting hole of upper plate body and lower ball base center that is distributed in four jiaos of upper plate body and lower ball bases.
The thickness H of described rubber pad
2Be 150～300mm.
Leave the slit, described slit height H between described lead for retractable pencil upper end and the rubber pad end face
4Be 5～8mm.
The length that lower ball base is inserted in described lead for retractable pencil lower end is not less than 40mm, and its diameter is
Described special bolt is special coarse groove bolt, and its diameter is 16～22mm, and reach is 12～20mm, and pitch is 2～4mm.
Compared with prior art the present invention has following characteristics and beneficial effect:
At first, shock insulation damping device described in the utility model is being subjected to by middle part episphere and lower ball base support, can reaching reliable vertical rigidity fully under top weight and the vertical geological process.And work as the effect that superstructure is subjected to earthquake horizontal translation power, and by the free displacement of last lower sphere and rubber pad plastic deformation and lead for retractable pencil plastic strain cooperation, made it better vertical rigidity and horizontal degree of freedom and displacement, play the earthquake isolation effect of building top.Compare with neoprene bearing commonly used, the utility model has better vertical rigidity and in length and breadth to degree of freedom and lateral displacement, applicable to various earthquake-resistant building structures.
Secondly, plasticity cambered surface slide plate is set between spherical crown and arcs of recesses sphere, has reduced the friction between the last lower ball base, the spherical crown of upper ball base can be free to slide in the arcs of recesses sphere of lower ball base, prolonged earthquake period, strengthened the power consumption effect.
In addition, the present invention contracts in the centre of sphere near the upper plate body position and upper plate body formation wedged gap at spherical crown, rubber pad is an inner concave arc surface near the one side of spherical crown, and form the wedge corresponding with the wedged gap shape with end face, in the wedge wedging wedged gap, with the spherical crown hoop be one, strengthened the bearing globality, make spherical crown be free to slide plastic deformation collaborative work with rubber pad, consume the deformation energy of bearing jointly.
Moreover the present invention is simple in structure, and is easy for installation, and processing cost is low, when realizing the building structure earthquake isolation, can effectively lower the cost of building.
The present invention can be widely used in the earthquake isolation of high rise building foundation.
Description of drawings
The present invention will be further described in detail below in conjunction with accompanying drawing.
Fig. 1 is a structural representation of the present invention.
Fig. 2 is Fig. 1 upward view.
Fig. 3 is the A-A sectional view of Fig. 2.
Fig. 4 is Fig. 1 vertical view.
Fig. 5 is the B-B sectional view of Fig. 4.
Fig. 6 is the rubber pad vertical view.
Fig. 7 is the C-C sectional view of Fig. 6.
Fig. 8 is a plasticity cambered surface slide plate detail drawing.
Fig. 9 is Fig. 8 vertical view.
Figure 10 is the special bolt detail drawing.
Reference numeral: 1-assembly hole, 2-upper ball base, 2.1-upper plate body, 2.2-spherical crown, 2.3-wedged gap, 3-rubber pad, 3.1-wedge, 4-plasticity cambered surface slide plate, 5-lead for retractable pencil, 6-lower ball base, 6.1-arcs of recesses sphere, 7-master's connecting hole, 8-special bolt, the auxiliary connecting hole of 9-, 10-slit.
The specific embodiment
Embodiment is referring to Fig. 1 and shown in Figure 10, a kind of semi-round ball rubber strip lead for retractable pencil shock insulation damping device, comprise upper ball base 2, lower ball base 6 and one group of rubber pad 3, described rubber pad 3 fills up between upper ball base 2 and lower ball base 6, and connect as one with upper ball base 2 and lower ball base 6 respectively by the assembly hole 1 that special bolt 8 penetrates reservation, all be reserved with connecting hole on described upper ball base 2 and the lower ball base 6, the spherical crown 2.2 that described upper ball base 2 comprises upper plate body 2.1 and is cast as one with it, described spherical crown 2.2 contracts in the centre of sphere near upper plate body 2.1 positions, and form wedged gap 2.3 with upper plate body, described lower ball base 6 central authorities have one with the corresponding arcs of recesses sphere 6.1 of spherical crown shape, described spherical crown 2.2 places in the arcs of recesses sphere 6.1, and be free to slide within it, described rubber pad 3 global hat 2.2 external surfaces are symmetrically distributed, its one side near spherical crown is an inner concave arc surface, and form the wedge 3.1 corresponding with the wedged gap shape with end face, in the described wedge 3.1 wedging wedged gaps 2.3, with the spherical crown hoop be one, the lead for retractable pencil 5 that hoop evenly is installed with on described rubber pad 3 and the lower ball base 6, described lead for retractable pencil 5 is tight fit with rubber pad 3 and lower ball base 6.
Be lined with plasticity cambered surface slide plate 4 on the described arcs of recesses sphere 6.1.
Described plasticity cambered surface slide plate 4 is a polyfluortetraethylene plate, and its thickness is 12～20mm.
The height R of described spherical crown
1Be 50～80mm, the radius R of described arcs of recesses sphere 6.1
2＜35R
1
Described upper plate body 2.1 and lower ball base 6 are cuboid, and its bottom side length is 400～800mm; The thickness H of upper plate body
3Be 50～80mm, the thickness H of lower ball base
1Be 80～150mm.
Described connecting hole is main connecting hole 7 or the main connecting hole 7 and the combination that is distributed in the auxiliary connecting hole 9 of upper plate body 2.1 and lower ball base 6 centers that is distributed in 6 four jiaos of upper plate body 2.1 and lower ball bases.
The thickness H of described rubber pad 3
2Be 150～300mm.
Leave slit 10 between described lead for retractable pencil 5 upper ends and the rubber pad end face, described slit 10 height H
4Be 5～8mm.
The length that lower ball base 6 is inserted in described lead for retractable pencil 5 lower ends is not less than 40mm, and its diameter is
Described special bolt 8 is special coarse groove bolt, and its diameter is 16～22mm, and reach is 12～20mm, and pitch is 2～4mm.
When being subjected to seismic loading, spherical crown freely swings in the arcs of recesses sphere, and rubber pad generation plastic deformation, lead for retractable pencil generation plastic strain realize power consumption.Lead for retractable pencil is cut off is indicating the bearing inefficacy.
Claims (10)
1. semi-round ball rubber strip lead for retractable pencil shock insulation damping device, comprise upper ball base (2), lower ball base (6) and one group of rubber pad (3), described rubber pad (3) fills up between upper ball base (2) and lower ball base (6), and connect as one with upper ball base (2) and lower ball base (6) respectively by the assembly hole (1) that special bolt (8) penetrates reservation, all be reserved with connecting hole on described upper ball base (2) and the lower ball base (6), it is characterized in that: the spherical crown (2.2) that described upper ball base (2) comprises upper plate body (2.1) and is cast as one with it, described spherical crown (2.2) contracts in the centre of sphere near upper plate body (2.1) position, and form wedged gap (2.3) with upper plate body, described lower ball base (6) central authorities have one and the corresponding arcs of recesses sphere of spherical crown shape (6.1), described spherical crown (2.2) places in the arcs of recesses sphere (6.1), and be free to slide within it, the global hat of described rubber pad (3) (2.2) external surface is symmetrically distributed, its one side near spherical crown is an inner concave arc surface, and form the wedge (3.1) corresponding with the wedged gap shape with end face, in described wedge (3.1) the wedging wedged gap (2.3), with the spherical crown hoop be one, described rubber pad (3) and lower ball base (6) are gone up the lead for retractable pencil (5) that hoop evenly is installed with, and described lead for retractable pencil (5) is tight fit with rubber pad (3) and lower ball base (6).
2. semi-round ball rubber strip lead for retractable pencil shock insulation damping device according to claim 1 is characterized in that: be lined with plasticity cambered surface slide plate (4) on the described arcs of recesses sphere (6.1).
3. semi-round ball rubber strip lead for retractable pencil shock insulation damping device according to claim 2, it is characterized in that: described plasticity cambered surface slide plate (4) is a polyfluortetraethylene plate, and its thickness is 12～20mm.
4. semi-round ball rubber strip lead for retractable pencil shock insulation damping device according to claim 1 and 2 is characterized in that: the height R of described spherical crown
1Be 50～80mm, the radius R of described arcs of recesses sphere (6.1)
2＜35R
1
5. semi-round ball rubber strip lead for retractable pencil shock insulation damping device according to claim 1 and 2 is characterized in that: described upper plate body (2.1) and lower ball base (6) are cuboid, and its bottom side length is 400～800mm; The thickness H of upper plate body
3Be 50～80mm, the thickness H of lower ball base
1Be 80～150mm.
6. semi-round ball rubber strip lead for retractable pencil shock insulation damping device according to claim 1 and 2 is characterized in that: main connecting hole (7) or the main connecting hole (7) and the combination that be distributed in the auxiliary connecting hole (9) of upper plate body (2.1) and lower ball base (6) center of described connecting hole for being distributed in (6) four jiaos of upper plate body (2.1) and lower ball bases.
7. semi-round ball rubber strip lead for retractable pencil shock insulation damping device according to claim 1 and 2 is characterized in that: the thickness H of described rubber pad (3)
2Be 150～300mm.
8. semi-round ball rubber strip lead for retractable pencil shock insulation damping device according to claim 1 and 2 is characterized in that: leave slit (10), the height H of described slit (10) between described lead for retractable pencil (5) upper end and the rubber pad end face
4Be 5～8mm.
9. semi-round ball rubber strip lead for retractable pencil shock insulation damping device according to claim 1 and 2 is characterized in that: the length that lower ball base (6) is inserted in described lead for retractable pencil (5) lower end is not less than 40mm, and its diameter is 50～80mm.
10. semi-round ball rubber strip lead for retractable pencil shock insulation damping device according to claim 1 and 2, it is characterized in that: described special bolt (8) is special coarse groove bolt, and its diameter is 16～22mm, and reach is 12～20mm, and pitch is 2～4mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110316604 CN102392489B (en) | 2011-10-18 | 2011-10-18 | Semi-spherical rubber belt lead-core shock isolating and absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110316604 CN102392489B (en) | 2011-10-18 | 2011-10-18 | Semi-spherical rubber belt lead-core shock isolating and absorbing device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102392489A CN102392489A (en) | 2012-03-28 |
| CN102392489B true CN102392489B (en) | 2013-07-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110316604 Expired - Fee Related CN102392489B (en) | 2011-10-18 | 2011-10-18 | Semi-spherical rubber belt lead-core shock isolating and absorbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102392489B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103882987A (en) * | 2014-04-09 | 2014-06-25 | 上海泛太建筑设计有限公司 | Variable hinged support capable of improving capacity for being adaptive to earth surface deformation of building |
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| CN106436921B (en) * | 2016-11-29 | 2018-10-02 | 江苏万宝桥梁构件有限公司 | A kind of compound high-damp rubber support of wire sets |
| CN107245943B (en) | 2017-08-15 | 2018-05-22 | 四川大学 | The shock mount of convertible antidetonation pattern and damping bridging apparatus |
| CN107761962B (en) * | 2017-11-02 | 2023-06-27 | 安徽建筑大学 | Multi-lead-core vibration isolation support |
| CN109780127A (en) * | 2017-11-15 | 2019-05-21 | 中国电力科学研究院有限公司 | A kind of damping device |
| CN113982346A (en) * | 2021-10-18 | 2022-01-28 | 东南大学 | Interface-enhanced viscoelastic damper |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH1144339A (en) * | 1997-07-29 | 1999-02-16 | Asahi Tec Corp | Base isolation device |
| CN1873124A (en) * | 2005-06-02 | 2006-12-06 | 中国船舶重工集团公司第七二五研究所 | Hyperboloid spheroidal bearer of shock absorption and insulation |
| CN201172901Y (en) * | 2008-03-20 | 2008-12-31 | 同济大学 | High-damping rubber sphere combined support |
| CN101289833B (en) * | 2008-05-19 | 2011-01-05 | 广东省建筑设计研究院 | Large pulling resistance slidable ball and socket bearing |
| CN101289868B (en) * | 2008-06-11 | 2010-06-02 | 陈茂祥 | Large earthquake resistance foundation structure of buildings |
| RU2388887C1 (en) * | 2009-04-27 | 2010-05-10 | Александр Владимирович Ефимов | Earthquake-resistant building |
| CN101775843B (en) * | 2009-12-30 | 2013-06-19 | 上海路博橡胶减振器技术有限公司 | Friction type high-dampness rubber shock absorption support |
| CN202248357U (en) * | 2011-10-18 | 2012-05-30 | 刘成建 | Semispherical rubber belt and lead core shock isolating and absorbing device |
-
2011
- 2011-10-18 CN CN 201110316604 patent/CN102392489B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103882987A (en) * | 2014-04-09 | 2014-06-25 | 上海泛太建筑设计有限公司 | Variable hinged support capable of improving capacity for being adaptive to earth surface deformation of building |
| CN103882987B (en) * | 2014-04-09 | 2016-04-06 | 上海泛太建筑设计有限公司 | A kind of variable pivoting support that can improve building and adapt to Ground Deformation ability |
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| CN102392489A (en) | 2012-03-28 |
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