CN204000585U - A kind of friction pendulum damping supporting seat - Google Patents
A kind of friction pendulum damping supporting seat Download PDFInfo
- Publication number
- CN204000585U CN204000585U CN201420280929.XU CN201420280929U CN204000585U CN 204000585 U CN204000585 U CN 204000585U CN 201420280929 U CN201420280929 U CN 201420280929U CN 204000585 U CN204000585 U CN 204000585U
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- lower support
- support plate
- plate
- base plate
- friction pendulum
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- 238000013016 damping Methods 0.000 title claims abstract description 18
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 230000009471 action Effects 0.000 abstract description 3
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000035939 shock Effects 0.000 description 3
- 229910000754 Wrought iron Inorganic materials 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 210000001138 tear Anatomy 0.000 description 1
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- Buildings Adapted To Withstand Abnormal External Influences (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The utility model discloses a kind of friction pendulum damping supporting seat, the convex surface up and down of its spherical crown matches with the concave surface of upper bracket plate and the upper recess surface of lower support plate respectively, lower support plate is arranged on base plate, the lower surface of base plate and lower support plate is plane contact, the upper surface of base plate longitudinally central axis offers chute, in chute, be provided with the guide rail being slidably connected with chute, guide rail is fixedly connected with the lower surface of lower support plate; Between base plate and lower support plate, be provided with damper with viscosity, damper with viscosity axis and described gate shafts line parallel.Under nominal situation, damper with viscosity discharges bridge temperature deformation, supports wind load resistance, and the effects such as brake, do not swing friction pendulum support, can not cause beam body to raise; In the time of earthquake, friction pendulum device can be brought into play damping action, and damper with viscosity slides on base plate with lower support plate, participates in power consumption, and seismic forces effectively dissipates.
Description
Technical field
The utility model relates to bridge and other building aseismicity bearing and device, refers to particularly a kind of friction pendulum damping supporting seat.
Background technology
In the design of bridge and other building structure, often to consider the impact of earthquake on engineering structures.Bearing, as the important component of bridge and other building structure, not only will be delivered to substructure by the load on the member such as bridge, building top, and absorb rotation displacement, also should possess certain function of shock insulation that subtracts.
The Chinese patent that is 201120311595.4 in the patent No. discloses a kind of pair of slip curved surface pendulum model shock isolating pedestal, it be a kind ofly have that supporting capacity is high, size is little, move forward and backward large, suitable, the required steel material of rigidity is few, the shock isolating pedestal of cost performance high, has the bridge of shockproof requirements and the demand of other building to meet.According to existing bridge pad standard and bridge construction demand, the friction factor of bearing must not be greater than 0.03, and in engineering, common value 0.02, causes bearing damping smaller, and in earthquake, energy dissipation capacity is limited; This bearing is used on bridge also can produce another problem, in the time of bridge rising-heat contracting-cold, can make sliding support produce horizontal movement, and this bearing horizontal movement meeting causes height of support to change, and height change h is calculated by formula below:
in formula: R refers to the spherical radius of this serial bearing, d refers to produce when bridge expands with heat and contract with cold actual displacement amount, for example: the continuous beam that is 150m for main span degree, temperature movement d is 150mm, in the time that spherical radius R is 2m, it is Δ h=5.6mm that bearing causes the beam body amount of raising, and beam body is raised and can be brought additional internal force to beam body, unfavorable to structure.
Therefore, need improve prior art.
Summary of the invention
The purpose of this utility model is exactly the deficiency that will solve above-mentioned background technology, and a kind of friction pendulum damping supporting seat is provided, when solving when earthquake or because of temperature movement, and the problem of bearing damping capacity deficiency.
The technical solution of the utility model is: a kind of friction pendulum damping supporting seat, it comprises upper bracket plate, spherical crown, lower support plate, the convex surface up and down of described spherical crown matches with the concave surface of upper bracket plate and the upper recess surface of lower support plate respectively, described lower support plate is arranged on base plate, the lower surface of described base plate and lower support plate is plane contact, it is characterized in that: the upper surface of described base plate longitudinally central axis offers chute, in described chute, be provided with the guide rail being slidably connected with described chute, described guide rail is fixedly connected with the lower surface of lower support plate; Between described base plate and lower support plate, be provided with damper with viscosity, described damper with viscosity axis and described gate shafts line parallel.
In such scheme:
Described damper with viscosity comprises sealed at both ends cylinder body, piston and piston rod, described cylinder body is arranged on base plate and with base plate and is fixedly connected with, in described cylinder body, be filled with resisting medium, described piston is arranged in described cylinder body, cylinder body is divided into two chambers by described piston, described piston is passed by described piston rod along central axis, and the two ends of described piston rod all pass cylinder body two ends and are fixedly connected with lower support plate respectively.
The concave surface of described upper bracket plate is greater than the upper convex surface of spherical crown, and the upper recess surface of described lower support plate is greater than the lower convex surface of spherical crown.
The convex surface up and down of described spherical crown is respectively equipped with sphere wearing plate and lower peripheral surface wearing plate.
Between the upper surface of described guide rail and the lower surface of lower support plate, be provided with plane wearing plate.
The advantage of the designed friction pendulum damping supporting seat of the utility model is:
1, under nominal situation, damper with viscosity discharges bridge temperature deformation, supports wind load resistance, and the effects such as brake, do not swing friction pendulum support, can not cause beam body to raise;
2, in the time of earthquake, friction pendulum device can be brought into play damping action, and damper with viscosity participates in power consumption, and seismic forces effectively dissipates.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structure schematic top plan view of Fig. 1.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail.
With reference to figure 1, and Fig. 2, a kind of friction pendulum damping supporting seat of the present embodiment, it comprises upper bracket plate 1, spherical crown 3, lower support plate 5, the convex surface up and down of spherical crown 3 matches with the concave surface of upper bracket plate 1 and the upper recess surface of lower support plate 5 respectively, the concave surface of upper bracket plate 1 is greater than the upper convex surface of spherical crown 3, the upper recess surface of lower support plate 5 is greater than the lower convex surface of spherical crown 3, in the time that earthquake occurs, spherical crown 3 between upper bracket plate 1 and lower support plate 5 can move left and right to bridge lateral, by kinetic energy and gesture transformation of energy and friction, make its consumed energy more abundant, the vibrations cycle extending is longer, thereby reduce the impact of earthquake on structure.
The lower support plate 5 of the present embodiment is arranged on base plate 8, base plate 8 is plane contact with the lower surface of lower support plate 5, the upper surface of base plate 8 longitudinally central axis offers chute 8.1, in chute 8.1, be provided with the guide rail 4 being slidably connected with chute 8.1, the upper surface of guide rail 4 withstands on the lower surface of lower support plate 5 and is fixedly connected with by screw with lower support plate 5; When lower support plate 5 or base plate 8 are during because of external force factor generation vertical shifts such as earthquakes, the two can produce longitudinal sliding motion, by kinetic energy and gesture transformation of energy and friction, to reduce the impact of external force factor on structure.
Between base plate 8 and lower support plate 5, be provided with damper with viscosity 9, damper with viscosity 9 axis need with described gate shafts line parallel.Be specially: damper with viscosity 9 comprises sealed at both ends cylinder body 9.1, piston 9.2 and piston rod 9.3, the axis of cylinder body 9.1 and gate shafts line parallel arrange, cylinder body 9.1 is arranged on base plate 8 and with base plate 8 and is fixedly connected with, in cylinder body 9.1, be filled with resisting medium, piston 9.2 radial seals are arranged in cylinder body 9.1, cylinder body 9.1 is divided into two chambers by piston 9.2, piston 9.2 is passed by piston rod 9.3 along central axis, and the two ends of piston rod 9.3 all pass cylinder body 9.1 two ends and are fixedly connected with lower support plate 5 respectively.Under nominal situation, damper with viscosity 9 discharges bridge temperature deformation, supports wind load resistance, and the effects such as brake, do not swing friction pendulum support, can not cause beam body to raise; In the time of earthquake, friction pendulum device can be brought into play damping action, and damper with viscosity 9 slides on base plate 8 with lower support plate 5, participates in power consumption, and seismic forces effectively dissipates.
The convex surface up and down of the spherical crown 3 of the present embodiment is respectively equipped with sphere wearing plate 2 and lower peripheral surface wearing plate 6, between the upper surface of guide rail 4 and the lower surface of lower support plate 5, is provided with plane wearing plate 7, weares and teares because reducing the material producing when being subjected to displacement.
In addition, the upper bracket plate 1 of the present embodiment is fixedly connected with beam body by the upper anchorage rod iron 1.1 of end face disposed thereon both sides, and base plate 8 is fixed on the bridge pier of bridge bottom by being arranged on the lower anchorage rod iron 8.2 of its both sides, lower surface.
As the one distortion of the present embodiment, also the two ends of piston rod 9.3 can be fixedly connected with base plate 8, cylinder body 9.1 is fixedly connected with lower support plate 5, also can reach the designed effect of such scheme.
The above, be only preferred embodiment of the present utility model, not the utility model structure done to any pro forma restriction.Any simple modification, equivalent variations and modification that every foundation technical spirit of the present utility model is done above embodiment, all still belong in the scope of the technical solution of the utility model.
Claims (5)
1. a friction pendulum damping supporting seat, it comprises upper bracket plate (1), spherical crown (3), lower support plate (5), the convex surface up and down of described spherical crown (3) matches with the concave surface of upper bracket plate (1) and the upper recess surface of lower support plate (5) respectively, described lower support plate (5) is arranged on base plate (8), described base plate (8) is plane contact with the lower surface of lower support plate (5), it is characterized in that: the upper surface of described base plate (8) longitudinally central axis offers chute, in described chute, be provided with the guide rail (4) being slidably connected with described chute, described guide rail (4) is fixedly connected with the lower surface of lower support plate (5), between described base plate (8) and lower support plate (5), be provided with damper with viscosity (9), described damper with viscosity (9) axis and described gate shafts line parallel.
2. a kind of friction pendulum damping supporting seat according to claim 1, it is characterized in that: described damper with viscosity (9) comprises sealed at both ends cylinder body (9.1), piston (9.2) and piston rod (9.3), described cylinder body (9.1) is arranged on base plate (8) above and is fixedly connected with base plate (8), described cylinder body is filled with resisting medium in (9.1), described piston (9.2) is arranged in described cylinder body (9.1), cylinder body (9.1) is divided into two chambers by described piston (9.2), described piston (9.2) is passed by described piston rod (9.3) along central axis, the two ends of described piston rod (9.3) all pass cylinder body (9.1) two ends and are fixedly connected with lower support plate (5) respectively.
3. a kind of friction pendulum damping supporting seat according to claim 1, it is characterized in that: the concave surface of described upper bracket plate (1) is greater than the upper convex surface of spherical crown (3), the upper recess surface of described lower support plate (5) is greater than the lower convex surface of spherical crown (3).
4. a kind of friction pendulum damping supporting seat according to claim 1, is characterized in that: the convex surface up and down of described spherical crown (3) is respectively equipped with sphere wearing plate (2) and lower peripheral surface wearing plate (6).
5. a kind of friction pendulum damping supporting seat according to claim 1, is characterized in that: between the upper surface of described guide rail (4) and the lower surface of lower support plate (5), be provided with plane wearing plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280929.XU CN204000585U (en) | 2014-05-29 | 2014-05-29 | A kind of friction pendulum damping supporting seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280929.XU CN204000585U (en) | 2014-05-29 | 2014-05-29 | A kind of friction pendulum damping supporting seat |
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| Publication Number | Publication Date |
|---|---|
| CN204000585U true CN204000585U (en) | 2014-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420280929.XU Expired - Lifetime CN204000585U (en) | 2014-05-29 | 2014-05-29 | A kind of friction pendulum damping supporting seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204000585U (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245781A (en) * | 2016-09-28 | 2016-12-21 | 清华大学 | Frictional force adjustable type friction pendulum slip support abutment |
| CN106638976A (en) * | 2016-12-13 | 2017-05-10 | 中国能源建设集团江苏省电力设计院有限公司 | Energy consumption spherical support base |
| CN109722986A (en) * | 2018-12-11 | 2019-05-07 | 九江职业技术学院 | A kind of pivoting friction damping support device |
| CN109811651A (en) * | 2017-11-20 | 2019-05-28 | 洛阳双瑞特种装备有限公司 | The big damping hyperboloid of one kind subtracts shock insulation spherical bearing |
| CN110835886A (en) * | 2019-09-05 | 2020-02-25 | 中国建筑第四工程局有限公司 | Pier damping device |
| CN111519515A (en) * | 2020-05-14 | 2020-08-11 | 株洲时代新材料科技股份有限公司 | Friction pendulum support assembling method and product |
| CN112609566A (en) * | 2020-12-23 | 2021-04-06 | 安徽尚德科技有限公司 | Viscous damping spherical steel support |
| CN109811651B (en) * | 2017-11-20 | 2024-11-12 | 中船双瑞(洛阳)特种装备股份有限公司 | Large damping hyperboloid shock-absorbing and isolating spherical support |
-
2014
- 2014-05-29 CN CN201420280929.XU patent/CN204000585U/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106245781A (en) * | 2016-09-28 | 2016-12-21 | 清华大学 | Frictional force adjustable type friction pendulum slip support abutment |
| CN106638976A (en) * | 2016-12-13 | 2017-05-10 | 中国能源建设集团江苏省电力设计院有限公司 | Energy consumption spherical support base |
| CN109811651A (en) * | 2017-11-20 | 2019-05-28 | 洛阳双瑞特种装备有限公司 | The big damping hyperboloid of one kind subtracts shock insulation spherical bearing |
| CN109811651B (en) * | 2017-11-20 | 2024-11-12 | 中船双瑞(洛阳)特种装备股份有限公司 | Large damping hyperboloid shock-absorbing and isolating spherical support |
| CN109722986A (en) * | 2018-12-11 | 2019-05-07 | 九江职业技术学院 | A kind of pivoting friction damping support device |
| CN109722986B (en) * | 2018-12-11 | 2020-09-01 | 九江职业技术学院 | Rotary friction damping shock-absorbing support device |
| CN110835886A (en) * | 2019-09-05 | 2020-02-25 | 中国建筑第四工程局有限公司 | Pier damping device |
| CN111519515A (en) * | 2020-05-14 | 2020-08-11 | 株洲时代新材料科技股份有限公司 | Friction pendulum support assembling method and product |
| CN111519515B (en) * | 2020-05-14 | 2021-08-17 | 株洲时代新材料科技股份有限公司 | Friction pendulum support assembling method and product |
| CN112609566A (en) * | 2020-12-23 | 2021-04-06 | 安徽尚德科技有限公司 | Viscous damping spherical steel support |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141210 |