CN203755143U - Basin type spherical supporting base - Google Patents
Basin type spherical supporting base Download PDFInfo
- Publication number
- CN203755143U CN203755143U CN201420153655.8U CN201420153655U CN203755143U CN 203755143 U CN203755143 U CN 203755143U CN 201420153655 U CN201420153655 U CN 201420153655U CN 203755143 U CN203755143 U CN 203755143U
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- Prior art keywords
- plate
- spherical
- bearing
- supporting base
- middle steel
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- Expired - Lifetime
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 45
- 239000010959 steel Substances 0.000 claims abstract description 45
- 229910001369 Brass Inorganic materials 0.000 claims abstract description 5
- 239000010951 brass Substances 0.000 claims abstract description 5
- 238000007789 sealing Methods 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 abstract description 10
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract 3
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract 3
- -1 Polytetrafluoroethylene Polymers 0.000 abstract 1
- 238000010521 absorption reaction Methods 0.000 abstract 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 7
- 238000013016 damping Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Vibration Prevention Devices (AREA)
Abstract
The utility model belongs to the technical field of bridge supporting base and discloses a basin type spherical supporting base. The basin type spherical supporting base is characterized by comprising an upper supporting base plate, a pressure bearing rubber plate and a bottom basin; a brass sealing ring is arranged between the pressure bearing rubber plate and the bottom basin; a spherical crown lining plate and a middle steel plate which are matched with a concave spherical surface and a convex spherical surface are arranged between the upper supporting base plate and the pressure bearing rubber plate; a planar PTFE (Polytetrafluoroethylene) sliding plate is arranged between the spherical crown plate and the upper supporting base plate; a spherical PTFE sliding plate is arranged between the spherical lining plate and the middle steel plate. According to the basin type spherical supporting base, the function of the basin type spherical supporting plate is identical to that of the traditional basin type supporting base; the spherical crown lining plate slides along the upper surface of the middle steel plate when an earthquake happens and the functions of shock absorption and energy dissipation are achieved; the spherical crown lining plate automatically resets along the middle steel plate; the contradiction between the supporting base planar installation size and the supporting corner is solved under the condition that the structural design complexity is not increased.
Description
Technical field
The utility model belongs to bridge pad technical field, relates in particular to a kind of basin type ball type bearing.
Background technology
In bridge construction, conventionally need to adapt at erection support between bridge superstructure and substructure moving horizontally and rotation demand under the effects such as beam body outer load, variations in temperature, and transmit the counter-force of superstructure.Most popular large displacement at present and large corner seating comprise pot bearing and spherical bearing.Pot bearing is mainly comprised of upper bracket plate, middle steel plate, pressure-bearing rubber tile and lower support plate, and the design hard-over of pot bearing is 0.02rad.Spherical bearing is mainly by lower support plate, and spherical crown liner plate and lower support plate form, and spherical bearing corner is divided into 5 grades: 0.02 rad, 0.03 rad, 0.04 rad, 0.05 rad, 0.06 rad.Under normal conditions, the pot bearing of above-mentioned conventional design or spherical bearing can meet instructions for use.But in some cases,, because bearing Plane Installation size is subject to the restriction of bridge pier Cross section Design size, there will be and require to increase the situation of bearing corner when not increasing bearing Plane Installation size.And current existing pot bearing and spherical bearing, pot bearing only can rely on middle steel plate compressive strain by pressure-bearing rubber tile in pelvic cavity to realize rotation.Spherical bearing only can be realized and rotating in the Intrapelvic rotation of lower support plate by spherical crown liner plate.Owing to being subject to structure to rotate the restriction of implementation, no matter be pot bearing or spherical bearing, bearing corner and bearing Plane Installation size be correlation all, and bearing corner increases, and bearing Plane Installation size increases simultaneously.Therefore, existing pot bearing and spherical bearing cannot adapt to the demand that increases bearing corner when not increasing bearing Plane Installation size, and can not adapt to the situation that corner requirement is greater than 0.06 rad.
Meanwhile, for realizing larger corner, when bearing Plane Installation size increases, bearing weight and cost also increase simultaneously greatly.In addition, be subject to the restriction of current conventional susceptor design hard-over, if the design hard-over of pot bearing is 0.02rad, the design hard-over of spherical bearing is 0.06rad.Select separately pot bearing or spherical bearing all can not adapt to the situation that corner requirement is greater than 0.06 rad.
Utility model content
Problem to be solved in the utility model is just to provide a kind of not increasing under the condition of complex structural designs degree, solves the basin type ball type bearing of the contradiction between bearing Plane Installation size and bearing corner.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: comprise upper bracket plate, pressure-bearing rubber tile and end basin, between pressure-bearing rubber tile and end basin, be provided with brass sealing ring, between described upper bracket plate and pressure-bearing rubber tile, be provided with spherical crown liner plate and middle steel plate that concave, convex sphere matches, between spherical crown liner plate and upper bracket plate, be provided with plane tetrafluoro slide plate, between spherical crown liner plate and middle steel plate, be provided with sphere tetrafluoro slide plate.
Its additional technical feature is: the bottom surface of described spherical crown liner plate is protruding sphere, and the end face of middle steel plate is concave spherical surface;
The bottom surface of described spherical crown liner plate is concave spherical surface, and the end face of middle steel plate is protruding sphere;
The outer, top of described middle steel plate is provided with the bulge loop matching with spherical crown liner plate.
Basin type ball type bearing provided by the utility model, compared with prior art, is provided with spherical crown liner plate and middle steel plate that concave, convex sphere matches between upper bracket plate and pressure-bearing rubber tile.Under normal circumstances, basin type ball type bearing is identical with common pot bearing effect.When earthquake occurs, spherical crown liner plate is along middle steel plate upper surface slide, thereby reaches shock-damping energy-dissipating effect.After earthquake is eliminated, spherical crown liner plate automatically resets along middle steel plate.By be provided with spherical crown liner plate and the middle steel plate that concave, convex sphere matches between upper bracket plate and pressure-bearing rubber tile, make basin type ball type bearing except can be as conventional pot bearing, rely on middle steel plate compressive strain by pressure-bearing rubber tile in end basin pelvic cavity to realize outside rotating function, can also the rotation on middle steel plate increase bearing hard-over by spherical crown liner plate.Basin type ball type bearing increases the needs of bearing corner when not increasing bearing Plane Installation size, basin type ball type bearing design maximum corner can reach pot bearing and spherical bearing design maximum corner sum is 0.08rad, thereby adapts to the situation that corner requires to be greater than 0.06 rad.In addition, basin type ball type bearing, when increasing bearing corner, has only increased spherical crown liner plate and middle steel plate that concave, convex sphere matches between upper bracket plate and pressure-bearing rubber tile, does not significantly increase complex structural designs degree and bearing gross weight, save cost of production, reduced production technology.And between spherical crown liner plate and upper bracket plate, be provided with plane tetrafluoro slide plate, and between spherical crown liner plate and middle steel plate, be provided with sphere tetrafluoro slide plate, slide more smooth and easy.As required, the bottom surface of spherical crown liner plate is protruding sphere, and the end face of middle steel plate is concave spherical surface; Or the bottom surface of spherical crown liner plate is concave spherical surface, the end face of middle steel plate is protruding sphere.And the outer, top of middle steel plate is provided with the bulge loop matching with spherical crown liner plate, can stop that the activity of spherical crown liner plate goes beyond the scope, play shock-damping energy-dissipating, safeguard the complete indeformable of bearing.
Accompanying drawing explanation
Fig. 1 is the first structural representation of the utility model basin type ball type bearing;
Fig. 2 is the second structural representation of basin type ball type bearing;
Fig. 3 is the third structural representation of basin type ball type bearing;
Fig. 4 is the 4th kind of structural representation of basin type ball type bearing.
The specific embodiment
Below in conjunction with accompanying drawing, the structure of basin type ball type bearing provided by the utility model and principle are described in further details.
As Fig. 1, shown in 2, basin type ball type bearing provided by the utility model comprises upper bracket plate 1, pressure-bearing rubber tile 2 and end basin 3, 3, pressure-bearing rubber tile 2 and end basin are provided with brass sealing ring 4, 2 of upper bracket plate 1 and pressure-bearing rubber tiles are provided with recessed, the spherical crown liner plate 5 that protruding sphere matches and middle steel plate 6, the bottom surface of spherical crown liner plate 5 is protruding sphere, the end face of middle steel plate 6 is concave spherical surface, 1 of spherical crown liner plate 5 and upper bracket plate are provided with plane tetrafluoro slide plate 7, 6 of spherical crown liner plate 5 and middle steel plates are provided with sphere tetrafluoro slide plate 8, the outer, top of middle steel plate 6 is provided with the bulge loop 9 matching with spherical crown liner plate 5.Basin type ball type bearing provided by the utility model can be fixed bearing, one-way movable support or multidirectional freely movable bearing.
As Fig. 3, shown in 4, basin type ball type bearing provided by the utility model comprises upper bracket plate 1, pressure-bearing rubber tile 2 and end basin 3, 3, pressure-bearing rubber tile 2 and end basin are provided with brass sealing ring 4, 2 of upper bracket plate 1 and pressure-bearing rubber tiles are provided with recessed, the spherical crown liner plate 5 that protruding sphere matches and middle steel plate 6, the bottom surface of spherical crown liner plate 5 is concave spherical surface, the end face of middle steel plate 6 is protruding sphere, 1 of spherical crown liner plate 5 and upper bracket plate are provided with plane tetrafluoro slide plate 7, 6 of spherical crown liner plate 5 and middle steel plates are provided with sphere tetrafluoro slide plate 8, the outer, top of middle steel plate 6 is provided with the bulge loop 9 matching with spherical crown liner plate 5.Basin type ball type bearing provided by the utility model can be fixed bearing, one-way movable support or multidirectional freely movable bearing.
Basin type ball type bearing provided by the utility model, under normal circumstances, basin type ball type bearing is identical with common pot bearing effect.When earthquake occurs, spherical crown liner plate 5 is along middle steel plate 6 upper surface slide, thereby reaches shock-damping energy-dissipating effect.After earthquake is eliminated, spherical crown liner plate 5 automatically resets along middle steel plate 6.By being provided with at upper bracket plate 1 and 2 of pressure-bearing rubber tiles spherical crown liner plate 5 and the middle steel plate 6 that concave, convex sphere matches, make basin type ball type bearing except can be as conventional pot bearing, rely on middle steel plate 6 compressive strain by pressure-bearing rubber tile 2 in end basin 3 pelvic cavity to realize outside rotating function, can also the rotation on middle steel plate 6 increase bearing hard-over by spherical crown liner plate 5.Basin type ball type bearing increases the needs of bearing corner when not increasing bearing Plane Installation size, basin type ball type bearing design maximum corner can reach pot bearing and spherical bearing design maximum corner sum is 0.08rad, thereby adapts to the situation that corner requires to be greater than 0.06 rad.In addition, basin type ball type bearing is when increasing bearing corner, only at upper bracket plate 1 and 2 of pressure-bearing rubber tiles, spherical crown liner plate 5 and middle steel plate 6 that concave, convex sphere matches have been increased, significantly do not increase complex structural designs degree and bearing gross weight, save cost of production, reduced production technology.And 1 of spherical crown liner plate 5 and upper bracket plate are provided with plane tetrafluoro slide plate 7,6 of spherical crown liner plate 5 and middle steel plates are provided with sphere tetrafluoro slide plate 8, slide more smooth and easy.As required, the bottom surface of spherical crown liner plate 5 is protruding sphere, and the end face of middle steel plate 6 is concave spherical surface; Or the bottom surface of spherical crown liner plate 5 is concave spherical surface, the end face of middle steel plate 6 is protruding sphere.And the outer, top of middle steel plate 6 is provided with the bulge loop 9 matching with spherical crown liner plate 5, can stop that 5 activities of spherical crown liner plate go beyond the scope, play shock-damping energy-dissipating, safeguard the complete indeformable of bearing.
Basin type ball type bearing provided by the utility model, is not limited only to said structure, but no matter be which kind of form, all within spirit of the present utility model and principle, any modification of doing, is equal to replacement, improvement etc., all falls into the utility model protection domain.
Claims (4)
1. basin type ball type bearing, comprise upper bracket plate, pressure-bearing rubber tile and end basin, between pressure-bearing rubber tile and end basin, be provided with brass sealing ring, it is characterized in that: between described upper bracket plate and pressure-bearing rubber tile, be provided with spherical crown liner plate and middle steel plate that concave, convex sphere matches, between spherical crown liner plate and upper bracket plate, be provided with plane tetrafluoro slide plate, between spherical crown liner plate and middle steel plate, be provided with sphere tetrafluoro slide plate.
2. basin type ball type bearing according to claim 1, is characterized in that: the bottom surface of described spherical crown liner plate is protruding sphere, and the end face of middle steel plate is concave spherical surface.
3. basin type ball type bearing according to claim 1, is characterized in that: the bottom surface of described spherical crown liner plate is concave spherical surface, and the end face of middle steel plate is protruding sphere.
4. according to the basin type ball type bearing described in claim 1,2 or 3, it is characterized in that: the outer, top of described middle steel plate is provided with the bulge loop matching with spherical crown liner plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153655.8U CN203755143U (en) | 2014-04-01 | 2014-04-01 | Basin type spherical supporting base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420153655.8U CN203755143U (en) | 2014-04-01 | 2014-04-01 | Basin type spherical supporting base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203755143U true CN203755143U (en) | 2014-08-06 |
Family
ID=51250440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420153655.8U Expired - Lifetime CN203755143U (en) | 2014-04-01 | 2014-04-01 | Basin type spherical supporting base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203755143U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938541A (en) * | 2014-04-01 | 2014-07-23 | 交通运输部公路科学研究所 | Basin-type spherical support |
| CN104878688A (en) * | 2015-06-10 | 2015-09-02 | 武汉海润工程设备有限公司 | Spherical wind-resistant bridge support |
-
2014
- 2014-04-01 CN CN201420153655.8U patent/CN203755143U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103938541A (en) * | 2014-04-01 | 2014-07-23 | 交通运输部公路科学研究所 | Basin-type spherical support |
| CN104878688A (en) * | 2015-06-10 | 2015-09-02 | 武汉海润工程设备有限公司 | Spherical wind-resistant bridge support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| C53 | Correction of patent of invention or patent application | ||
| CB03 | Change of inventor or designer information |
Inventor after: Li Ming Inventor after: Lu Dayi Inventor after: Guo Huisheng Inventor after: Jia Shidong Inventor after: Li Dengliang Inventor after: Gao Junyuan Inventor after: Song Jianyong Inventor after: Zhao Haiying Inventor after: Hao Bin Inventor after: Liu Tongsheng Inventor after: Li Jingdong Inventor after: Zuo Xindai Inventor before: Li Ming Inventor before: Lu Dayi Inventor before: Guo Huisheng Inventor before: Li Dengliang Inventor before: Gao Junyuan Inventor before: Song Jianyong Inventor before: Zhao Haiying Inventor before: Hao Bin Inventor before: Liu Tongsheng Inventor before: Li Jingdong Inventor before: Zuo Xindai |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: INVENTOR; FROM: LI MING LI DENGLIANG GAO JUNYUAN SONG JIANYONG ZHAO HAIYING HAO BIN LIU TONGSHENG LI JINGDONG ZUO XINDAI LU DAYI GUO HUISHENG TO: LI MING LI DENGLIANG GAO JUNYUAN SONG JIANYONG ZHAO HAIYING HAO BIN LIU TONGSHENG LI JINGDONG ZUO XINDAI LU DAYI GUO HUISHENG JIA SHIDONG |
|
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140806 |
|
| CX01 | Expiry of patent term |