CN201053102Y - Basin-type vibration reducing obstructing support base - Google Patents
Basin-type vibration reducing obstructing support base Download PDFInfo
- Publication number
- CN201053102Y CN201053102Y CNU2007201017429U CN200720101742U CN201053102Y CN 201053102 Y CN201053102 Y CN 201053102Y CN U2007201017429 U CNU2007201017429 U CN U2007201017429U CN 200720101742 U CN200720101742 U CN 200720101742U CN 201053102 Y CN201053102 Y CN 201053102Y
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- plate
- bearing
- friction pair
- utility
- earthquake
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 27
- 239000010959 steel Substances 0.000 claims abstract description 27
- 230000007797 corrosion Effects 0.000 claims description 15
- 238000005260 corrosion Methods 0.000 claims description 15
- 238000010521 absorption reaction Methods 0.000 claims description 14
- VMQPMGHYRISRHO-UHFFFAOYSA-N benzvalene Chemical group C1=CC2C3C1C32 VMQPMGHYRISRHO-UHFFFAOYSA-N 0.000 claims description 14
- 238000002955 isolation Methods 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 4
- 238000009413 insulation Methods 0.000 abstract description 3
- 230000035939 shock Effects 0.000 abstract description 3
- 229910000639 Spring steel Inorganic materials 0.000 abstract 2
- 238000013016 damping Methods 0.000 abstract 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 abstract 1
- 229920001971 elastomer Polymers 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000005755 formation reaction Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000806 elastomer Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
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- Bridges Or Land Bridges (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model belongs to the bridge bearing technical field and discloses a basin type shock damping and insulation bearing, which is technically characterized in that: the bearing comprises an upper bearing plate, a middle steel plate and a lower bearing plate arranged inside a box body, wherein a first friction pair is arranged between the upper bearing plate and the middle steel plate, a second friction pair is arranged on the lower part of the lower bearing plate, and elastic components like a bow-shaped spring steel plate in contact with the inner wall of the box body are fixed on the outer wall of the lower bearing plate. In case of an earthquake with intensity over 7 degree, according to the basin type shock damping and insulation bearing, the prior rigid displacement of the lower bearing plate can be replaced by the friction energy dissipation of the friction pairs and the flexible displacement between the elastic components like the bow-shaped spring steel plate, thereby preventing the earthquake force on the lower bearing structure from being transferred to the upper bearing structure; after the earthquake, the utility model can gradually recover. Furthermore, with a cost reduction, the utility model can reduce bridge construction cost.
Description
Technical field
The utility model belongs to the bridge pad technical field, relates in particular to a kind of benzvalene form vibration absorption and isolation support.
Background technology
In bridge construction, need to use bridge pad tie-beam body and bridge pier, and bear vertical load.Pot rubber bearing is widely used especially owing to good performances such as having the supporting capacity height.Pot rubber bearing comprises upper bracket plate, middle steel plate and is arranged on the interior lower support plate of casing, lower support plate has end basin, be provided with the rubber bearing plate in the end basin, be provided with the friction pair that polyfluortetraethylene plate and corrosion resistant plate constitute between upper bracket plate and middle steel plate, according to the requirement of providing fortification against earthquakes, bridge engineering should be able to be resisted 8 degree earthquake intensity seismic forcess.In order to reach this requirement, performance requirement to pot rubber bearing is very high, simultaneously the anti-seismic performance of the bridge pier of the beam body on bearing top and bearing bottom is required also very highly, the manufacturing cost of bearing is increased, more make the construction cost of whole bridge engineering increase greatly.And when earthquake, bearing can produce displacement, and the shake back is difficult for recovering, and uses after the influence.
The utility model content
Problem to be solved in the utility model just provides and a kind ofly can reduce and isolate the benzvalene form vibration absorption and isolation support that the substructure seismic forces can recover, can reduce greatly the bridge engineering cost after to the transmission of superstructure, shake voluntarily.
For addressing the above problem, the technical scheme that a kind of benzvalene form vibration absorption and isolation support of the utility model adopts is: comprise upper bracket plate, middle steel plate and be arranged on the interior lower support plate of casing, be provided with first friction pair that polyfluortetraethylene plate and corrosion resistant plate constitute between upper bracket plate and middle steel plate, the bottom of described lower support plate is provided with second friction pair, and the outer wall of described lower support plate is fixed with and the contacted flexible member of cabinet wall.
Its supplementary technology characteristic is: described second friction pair is made of polyfluortetraethylene plate and corrosion resistant plate; Described flexible member is a bow type steel spring plate; Described bow type steel spring plate is four facing each other.
A kind of benzvalene form vibration absorption and isolation support provided by the utility model compared with prior art, be provided with second friction pair that polyfluortetraethylene plate and corrosion resistant plate constitute in the bottom of lower support plate, be fixed with and flexible member such as the contacted bow type of cabinet wall steel spring plate at the outer wall of lower support plate.Like this, when non-earthquake or earthquake intensity≤7 were spent, bearing was equivalent to common pot bearing, and meetings such as the friction pair of lower support plate bottom and bow type steel spring plate play the support fixation effect to lower support plate.When earthquake takes place, and earthquake intensity＞7 are when spending, and second friction pair produces relative displacement, and lower support plate compression bow type steel spring plate, the rigid displacement of common bearing can be substituted by the flexible displacement of the distortion of friction energy-dissipating and flexible member, thereby play the effect that subtracts shock insulation.After the shake, lower support plate can set back under the effect of bow type steel spring plate gradually, thereby guarantees the result of use of bearing.And the performance requirement to pot bearing reduced more originally, made the manufacturing cost of bearing reduce, and more made the construction cost of whole bridge engineering reduce greatly.And bow type steel spring plate is four facing each other, can make bearing can bear the horizontal seismic force of any direction, and result of use is better.
Description of drawings
Fig. 1 is the structural representation of a kind of benzvalene form vibration absorption and isolation support of the utility model;
Fig. 2 is the structural representation of bow type steel spring plate.
The specific embodiment
Be described in further details below in conjunction with the structure and the use principle of accompanying drawing a kind of benzvalene form vibration absorption and isolation support of the utility model.
As shown in Figure 1, the lower support plate 5 of basin 4 at the bottom of a kind of benzvalene form vibration absorption and isolation support of the utility model comprises upper bracket plate 1, middle steel plate 2 and is arranged on band in the casing 3, be provided with rubber bearing plate 6 in the end basin 4,2 of upper bracket plate 1 and middle steel plates are provided with first friction pair of polyfluortetraethylene plate 7 and corrosion resistant plate 8 formations, 3 of lower support plate 5 and casings are provided with second friction pair of polyfluortetraethylene plate 9 and corrosion resistant plate 10 formations, the top of casing 3 is provided with sealing plate 11, and the outer wall of lower support plate 5 is fixed with and the contacted bow type of casing 3 inwalls steel spring plate 12.As shown in Figure 2, bow type steel spring plate 12 is fixed with the outer wall of lower support plate 5 and is contacted with the inwall of casing 3, and bow type steel spring plate 12 is four facing each other.
When the normal use of non-earthquake or earthquake intensity≤7 degree, the friction factor little (friction factor=0.03) of first friction pair that constitutes because of polyfluortetraethylene plate 7 and corrosion resistant plate 8, and the friction factor big (friction factor=0.1) of second friction pair that polyfluortetraethylene plate 9 and corrosion resistant plate 10 constitute, first friction pair that polyfluortetraethylene plate 7 and corrosion resistant plate 8 constitute is movable, and second friction pair that polyfluortetraethylene plate 9 and corrosion resistant plate 10 constitute is motionless, and the benzvalene form vibration absorption and isolation support is in the duty of common pot bearing.When earthquake takes place, and when earthquake intensity＞7 are spent, horizontal seismic force is greater than the frictional force of second friction pair of polyfluortetraethylene plate 9 and corrosion resistant plate 10 formations, relative displacement takes place in polyfluortetraethylene plate 9 and corrosion resistant plate 10, lower support plate 5 compression bow type steel spring plates 12, bow type steel spring plate 12 deforms, the original rigid displacement of lower support plate 5, can be substituted by the flexible displacement of the distortion of polyfluortetraethylene plate 9 and corrosion resistant plate 10 friction energy-dissipatings and bow type steel spring plate 12, the bearing substructure no longer increases the seismic forces of bearing superstructure transmission.After the shake, lower support plate 5 can set back under the effect of bow type steel spring plate 12 gradually, thereby guarantees the result of use of bearing.
The utility model is not limited only to above-mentioned embodiment; flexible member can also be spring, rubber elastomer etc.; but no matter adopt which kind of structure, so long as realize that in the lower support plate elastic elements benzvalene form vibration absorption and isolation support that subtracts isolating affection all falls into protection domain of the present utility model.
Claims (4)
1. benzvalene form vibration absorption and isolation support, comprise upper bracket plate, middle steel plate and be arranged on the interior lower support plate of casing, be provided with first friction pair that polyfluortetraethylene plate and corrosion resistant plate constitute between upper bracket plate and middle steel plate, it is characterized in that: the bottom of described lower support plate is provided with second friction pair, and the outer wall of described lower support plate is fixed with and the contacted flexible member of cabinet wall.
2. a kind of benzvalene form vibration absorption and isolation support according to claim 1 is characterized in that: described second friction pair is made of polyfluortetraethylene plate and corrosion resistant plate.
3. a kind of benzvalene form vibration absorption and isolation support according to claim 1 is characterized in that: described flexible member is a bow type steel spring plate.
4. a kind of benzvalene form vibration absorption and isolation support according to claim 3 is characterized in that: described bow type steel spring plate is four facing each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201017429U CN201053102Y (en) | 2007-06-25 | 2007-06-25 | Basin-type vibration reducing obstructing support base |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201017429U CN201053102Y (en) | 2007-06-25 | 2007-06-25 | Basin-type vibration reducing obstructing support base |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201053102Y true CN201053102Y (en) | 2008-04-30 |
Family
ID=39392767
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007201017429U Expired - Lifetime CN201053102Y (en) | 2007-06-25 | 2007-06-25 | Basin-type vibration reducing obstructing support base |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201053102Y (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775842B (en) * | 2009-10-23 | 2012-03-07 | 上海路博橡胶减振器技术有限公司 | Three-dimensional shock absorbing support |
| CN110593087A (en) * | 2019-09-09 | 2019-12-20 | 南昌大学 | A shock-absorbing device without large horizontal displacement |
| CN111676809A (en) * | 2020-05-21 | 2020-09-18 | 洛阳双瑞特种装备有限公司 | A bridge bearing with replaceable friction pair |
| CN113494048A (en) * | 2021-08-02 | 2021-10-12 | 淮南市公路管理局直属分局 | Anti-seismic device for highway bridge |
-
2007
- 2007-06-25 CN CNU2007201017429U patent/CN201053102Y/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101775842B (en) * | 2009-10-23 | 2012-03-07 | 上海路博橡胶减振器技术有限公司 | Three-dimensional shock absorbing support |
| CN110593087A (en) * | 2019-09-09 | 2019-12-20 | 南昌大学 | A shock-absorbing device without large horizontal displacement |
| CN111676809A (en) * | 2020-05-21 | 2020-09-18 | 洛阳双瑞特种装备有限公司 | A bridge bearing with replaceable friction pair |
| CN113494048A (en) * | 2021-08-02 | 2021-10-12 | 淮南市公路管理局直属分局 | Anti-seismic device for highway bridge |
| CN113494048B (en) * | 2021-08-02 | 2022-11-15 | 淮南市公路管理局直属分局 | Anti-seismic device for highway bridge |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20101231 Address after: 053000 Yongxing West Road, Hengshui Development Zone, No. 2189, No. Patentee after: Fengze Engineering Rubber S&T Devel Opment Co., Ltd. Address before: 053000 Yongxing West Road, Hengshui Development Zone, No. 2189, No. Patentee before: Hengshui Fengze Engineering Rubber Science and Technology Development Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20080430 |