CN202248357U - Semispherical rubber belt and lead core shock isolating and absorbing device - Google Patents
Semispherical rubber belt and lead core shock isolating and absorbing device Download PDFInfo
- Publication number
- CN202248357U CN202248357U CN2011203969682U CN201120396968U CN202248357U CN 202248357 U CN202248357 U CN 202248357U CN 2011203969682 U CN2011203969682 U CN 2011203969682U CN 201120396968 U CN201120396968 U CN 201120396968U CN 202248357 U CN202248357 U CN 202248357U
- Authority
- CN
- China
- Prior art keywords
- ball base
- retractable pencil
- spherical crown
- lower ball
- lead
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
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Abstract
The utility model relates to a semispherical rubber belt and lead core shock isolating and absorbing device which comprises an upper ball seat, a lower ball seat and a group of rubber gaskets. The upper ball seat comprises an upper board body and a spherical crown casted integrally therewith. The part of the spherical crown close to the upper board body contracts towards the center of sphere and forms a wedged included angle with the upper board body. A concave arc-shaped sphere corresponding to the spherical crown in shape is arranged in the middle of the lower ball seat. The spherical crown is placed in the concave arc-shaped sphere and forms a wedged body corresponding to the wedged included angle with the top surface. The wedged body is wedged into the wedged included angle and is clamped integrally with the spherical crown. The lead core penetrates through the rubber gaskets and the lower ball seat axially and uniformly. The lead core is tightly matched with the rubber gaskets and the lower ball seat. The semispherical rubber belt and lead core shock isolating and absorbing device has higher vertical rigidity and excellent shock isolating performance, has a simple structure, is convenient to install and can be widely applied to foundation shock isolation for buildings, particularly high-rise buildings.
Description
Technical field
The utility model 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 increasingly high 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 through 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 receive the restriction of spring strength and rigidity.
The utility model content
The purpose of the utility model provides a kind of semi-round ball rubber strip lead for retractable pencil shock insulation damping device, and 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 realizing above-mentioned purpose, the utility model adopts following technical scheme:
A kind of semi-round ball rubber strip lead for retractable pencil shock insulation damping device comprises upper ball base, lower ball base and one group of rubber pad, and said 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 through the assembly hole that special bolt penetrates reservation, all being reserved with connecting hole on said upper ball base and the lower ball base, said upper ball base comprises upper plate body and the spherical crown that is cast as one with it; Said spherical crown contracts in the centre of sphere near the upper plate body position, and forms wedged gap with upper plate body, said lower ball base central authorities have one with the corresponding arcs of recesses sphere of spherical crown shape; Said spherical crown places in the arcs of recesses sphere, and is free to slide within it, and said rubber pad ring spherical crown external surface is symmetrically distributed; Its one side near spherical crown is an inner concave arc surface; And form the wedge corresponding with end face with the wedged gap shape, said wedge is wedged in the wedged gap, with the spherical crown hoop be one; The lead for retractable pencil that hoop evenly is installed with on said rubber pad and the lower ball base, said lead for retractable pencil and rubber pad and lower ball base are tight fit.
Be lined with plasticity cambered surface slide plate on the said arcs of recesses sphere.
Said plasticity cambered surface slide plate is a polyfluortetraethylene plate, and its thickness is 12～20mm.
The height R of said spherical crown
1Be 50～80mm, the radius R of said arcs of recesses sphere
2＜35R
1
Said upper plate body and upper ball base are cuboid or square, 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.
Said 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 said rubber pad
2Be 150～300mm.
Leave the slit, said slit height H between said lead for retractable pencil upper end and the rubber pad end face
4Be 5～8mm.
The length that lower ball base is inserted in said lead for retractable pencil lower end is not less than 40mm, and its diameter is 50～80mm.
Said 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 utlity model has following characteristics and beneficial effect:
At first, the said shock insulation damping device of the utility model is supported by middle part episphere and lower ball base receiving under top weight and the vertical geological process, can reach reliable vertical rigidity fully.And work as the effect that superstructure receives 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 utility model contracts in the centre of sphere near the upper plate body position and upper plate body formation wedged gap at spherical crown, and 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 the plastic deformation collaborative work with rubber pad, consume the deformation energy of bearing jointly.
Moreover the utility model 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 utility model can be widely used in the earthquake isolation of high rise building foundation.
Description of drawings
Below in conjunction with accompanying drawing the utility model is done further detailed explanation.
Fig. 1 is the utility model structural representation.
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, and a kind of semi-round ball rubber strip lead for retractable pencil shock insulation damping device comprises upper ball base 2, lower ball base 6 and one group of rubber pad 3; Said rubber pad 3 fills up between upper ball base 2 and lower ball base 6, and connects as one with upper ball base 2 and lower ball base 6 respectively through the assembly hole 1 that special bolt 8 penetrates reservation, all is reserved with connecting hole on said upper ball base 2 and the lower ball base 6; The spherical crown 2.2 that said upper ball base 2 comprises upper plate body 2.1 and is cast as one with it, said spherical crown 2.2 contracts in the centre of sphere near upper plate body 2.1 positions, and forms wedged gap 2.3 with upper plate body; Said lower ball base 6 central authorities have one with the corresponding arcs of recesses sphere 6.1 of spherical crown shape; Said spherical crown 2.2 places in the arcs of recesses sphere 6.1, and is free to slide within it, and said 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 end face with the wedged gap shape, said wedge 3.1 is wedged in the wedged gaps 2.3, with the spherical crown hoop be one; The lead for retractable pencil 5 that hoop evenly is installed with on said rubber pad 3 and the lower ball base 6, said 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 said arcs of recesses sphere 6.1.
Said plasticity cambered surface slide plate 4 is a polyfluortetraethylene plate, and its thickness is 12～20mm.
The height R of said spherical crown
1Be 50～80mm, the radius R of said arcs of recesses sphere 6.1
2＜35R
1
Said upper plate body 2.1 is cuboid or square with upper ball base 6, 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.
Said connecting hole is to be distributed in the main connecting hole 7 or the main connecting hole 7 of upper plate body 2.1 and 6 four jiaos of lower ball bases and to be distributed in upper plate body 2.1 and the combination of the auxiliary connecting hole 9 of lower ball base 6 centers.
The thickness H of said rubber pad 3
2Be 150～300mm.
Leave slit 10 between said lead for retractable pencil 5 upper ends and the rubber pad end face, said slit 10 height H
4Be 5～8mm.
The length that lower ball base 6 is inserted in said lead for retractable pencil 5 lower ends is not less than 40mm, and its diameter is 50～80mm.
Said 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 receiving 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), said rubber pad (3) fills up between upper ball base (2) and lower ball base (6), and connects as one with upper ball base (2) and lower ball base (6) respectively through the assembly hole (1) that special bolt (8) penetrates reservation; All be reserved with connecting hole on said upper ball base (2) and the lower ball base (6); It is characterized in that: the spherical crown (2.2) that said upper ball base (2) comprises upper plate body (2.1) and is cast as one with it, said spherical crown (2.2) contracts in the centre of sphere near upper plate body (2.1) position, and forms wedged gap (2.3) with upper plate body; Said lower ball base (6) central authorities have one and the corresponding arcs of recesses sphere of spherical crown shape (6.1); Said spherical crown (2.2) places in the arcs of recesses sphere (6.1), and is free to slide within it, and the global hat of said 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 end face with the wedged gap shape, said wedge (3.1) is wedged in the wedged gap (2.3), with the spherical crown hoop be one; Said rubber pad (3) and lower ball base (6) are gone up the lead for retractable pencil (5) that hoop evenly is installed with, and said 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 said arcs of recesses sphere (6.1).
3. semi-round ball rubber strip lead for retractable pencil shock insulation damping device according to claim 1 and 2, it is characterized in that: said 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 said spherical crown
1Be 50～80mm, the radius R of said 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: said upper plate body (2.1) and upper ball base (6) are cuboid or square, 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 said 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 said 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 said slit (10) between said 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 said 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: said 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 |
|---|---|---|---|
| CN2011203969682U CN202248357U (en) | 2011-10-18 | 2011-10-18 | Semispherical rubber belt and lead core shock isolating and absorbing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011203969682U CN202248357U (en) | 2011-10-18 | 2011-10-18 | Semispherical rubber belt and lead core shock isolating and absorbing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202248357U true CN202248357U (en) | 2012-05-30 |
Family
ID=46109619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011203969682U Expired - Lifetime CN202248357U (en) | 2011-10-18 | 2011-10-18 | Semispherical rubber belt and lead core shock isolating and absorbing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202248357U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392489A (en) * | 2011-10-18 | 2012-03-28 | 刘成建 | Semi-spherical rubber belt lead-core shock isolating and absorbing device |
-
2011
- 2011-10-18 CN CN2011203969682U patent/CN202248357U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102392489A (en) * | 2011-10-18 | 2012-03-28 | 刘成建 | Semi-spherical rubber belt lead-core shock isolating and absorbing device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120530 Effective date of abandoning: 20130731 |
|
| RGAV | Abandon patent right to avoid regrant |