CN201635002U - Tension compression shock-absorption spherical rotation support - Google Patents
Tension compression shock-absorption spherical rotation support Download PDFInfo
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- CN201635002U CN201635002U CN2010201633475U CN201020163347U CN201635002U CN 201635002 U CN201635002 U CN 201635002U CN 2010201633475 U CN2010201633475 U CN 2010201633475U CN 201020163347 U CN201020163347 U CN 201020163347U CN 201635002 U CN201635002 U CN 201635002U
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Abstract
The utility model belongs to the technical field of the bridge support, and discloses a tension compression shock-absorption spherical rotation support, which is mainly characterized by comprising an upper seat board with an upper convex ring, a middle seat board with a lower convex ring and a lower seat board, wherein the top part of the middle seat board is of a convex surface, the bottom part of the upper seat board is of a concave surface, the upper seat board is provided with a T-shaped groove, the middle seat board is provided with a T-shaped groove, a tensile rod passes through the upper and the lower T-shaped grooves, the lower seat board is provided with a lower tensile arm which is matched with the lower convex ring, the bottom part of the middle seat board is provided with an upper energy dissipation board, the top part of the lower seat board is provided with a lower energy dissipation board, the lower seat board is provided with a limiting pin which extends into the lower T-shaped groove, and the limiting pin is provided with a damping rubber ring. The tension compression shock-absorption spherical rotation support is of an integral shape, and can bear the vertical load and transfer the vertical tension. During the rotation process, the tension compression surface of the support is close to contact, the force transferring is uniform, and the support can consume the energy and absorb the shock.
Description
Technical field
The utility model belongs to the bridge pad technical field, relates in particular to a kind of tension and compression that can bear vertical uplift force and have a shock insulation energy-dissipating property and subtracts shock insulation type spherical rotation bearing.
Background technology
In the design and construction of bridge and other building, bearing need be set carry out pressure-bearing and transmit horizontal force.The spherical bearing of current use is divided into fixed, unidirectional movable.The structure of fixed ball-type bearing comprises the upper base plate that has bulge loop, the middle seat board that has lower convex ring and following seat board, and middle seat board top is a convex surface, and the upper base plate bottom is the concave surface that is complementary with convex surface.The structure of unidirectional movable spherical bearing is to be provided with the top seat board that has gathering sill on fixed ball-type bearing top.
As everyone knows, the principal element of the curved bridge mechanical characteristic of influence also is subjected to following factor affecting except the factor that influence the straight bridge mechanical characteristic: the ratio of central angle, bridge width and radius of curvature, bending ratio of rigidity, the fanning property moments of inertia etc.Support reaction is compared with straight bridge, has the curve outside to become tendency big, that the inboard diminishes, and is inboard even can produce negative reaction.If enough do not pay attention in the design, do not take corresponding measure, will cause bearing to come to nothing, bring potential safety hazard for construction and operation.
In addition, at present the spherical bearing of using in the bridge engineering subtract isolation measure such as leaf spring structure, extruding unloading structure etc., a kind of bradyseism measure of can only saying so can not be played effective energy-dissipating and shock-absorbing effect.
The utility model content
A kind of tension and compression face contact is tight, power transmission is even, Total tune tension and compression good, simple in structure, that have the friction energy-dissipating function subtract shock insulation type spherical rotation bearing with regard to providing for problem to be solved in the utility model.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: comprise the upper base plate that has bulge loop, the middle seat board and the following seat board that have lower convex ring, middle seat board top is a convex surface, the upper base plate bottom is the concave surface that is complementary with convex surface, described upper base plate has T type groove, middle seat board has the following T type groove that is complementary with last T type groove, top is provided with and tightens nut, on bear ring, go up crashproof elastic damping rubber ring, the bottom is provided with down crashproof elastic damping rubber ring, under bear ring, the tensile resistance rod of following clamp nut runs through T type groove and following T type groove, and following seat board is provided with the following tension arm that is complementary with lower convex ring.
Its additional technical feature is: the bottom of seat board is provided with the energy dissipating plate in described, and following seat board top is provided with down the energy dissipating plate; Described seat board down is provided with the spacer pin that stretches into down T type groove, and spacer pin is provided with the damping cushion rubber; Be provided with the friction pair that polytetrafluoroethylene (PTFE) draw runner and stainless steel draw runner constitute between described lower convex ring and following tension arm; Be provided with the top seat board that has gathering sill above the described upper base plate, gathering sill is provided with the last tension arm that is complementary with last bulge loop; Between described top seat board and upper base plate, gathering sill and epirelief interannular, go up the friction pair that is respectively arranged with polytetrafluoroethylene (PTFE) draw runner and stainless steel draw runner formation between bulge loop and last tension arm.
A kind of tension and compression provided by the utility model subtract shock insulation type spherical rotation bearing, compared with prior art, have the following advantages: one, upper base plate has T type groove, middle seat board has down T type groove, tensile resistance rod runs through T type groove and following T type groove, and following seat board is provided with the following tension arm that is complementary with lower convex ring.Upper base plate, middle seat board and following seat board are connected as a single entity by tensile resistance rod, following tension arm, bear vertical load jointly.Upper base plate and middle seat board transmit vertical pulling force by tensile resistance rod, middle seat board and following seat board by following tension arm.On bear ring and be buckled on the T type groove by tightening nut, under bear ring and withstand on down on the T type groove by following clamp nut, bear ring up and down and be designed to adapt to the guiding slide plane of bearing rotation to guarantee that bearing tension and compression face contact in rotation process is tight and power transmission is even, on bear ring, last T type groove, bear ring and following T type groove radius of curvature down and satisfy four principles that sphere is concentric, bear ring and last T type groove on simultaneously, under bear be provided with respectively between ring and the following T type groove crashproof elastic damping rubber ring contact tight with time crashproof elastic damping rubber ring with assurance bearing tension and compression face in rotation process and power transmission even; Its two, the bottom of middle seat board is provided with the energy dissipating plate, following seat board top is provided with down the energy dissipating plate, following seat board is provided with the spacer pin that stretches into down T type groove, spacer pin is provided with the damping cushion rubber.In is the Frictional Slipping face between seat board and following seat board, in normal operating conditions and when being lower than fortification intensity, the superstructure horizontal loading of earthquake motion generation is less than maximum static friction resistance between last energy dissipating plate and following energy dissipating plate, rubbing surface does not slide.When the earthquake of fortification intensity takes place when, the superstructure horizontal loading that earthquake motion produces is greater than maximum static friction resistance between last energy dissipating plate and following energy dissipating plate, relative slip will take place between last energy dissipating plate and following energy dissipating plate, mechanical movement is converted into molecular motion, mechanical energy is converted into heat energy, thus the dissipative part seismic energy.The cushion rubber of damping simultaneously has very big hysteresis damping under the pulsating stress effect, also with the dissipative part seismic energy, realize the energy-dissipating and shock-absorbing function of bearing thus; Its three, be provided with the top seat board that has gathering sill above the upper base plate, gathering sill is provided with the last tension arm that is complementary with last bulge loop, makes the each several part of unidirectional movable spherical bearing also become as a whole; They are four years old, between lower convex ring and following tension arm, between top seat board and upper base plate, gathering sill and epirelief interannular, go up the friction pair that is respectively arranged with polytetrafluoroethylene (PTFE) draw runner and stainless steel draw runner formation between bulge loop and last tension arm, the guiding slide plane that can adapt to the bearing translation is to guarantee that bearing tension and compression face contact in the translation process is tight and power transmission is even.
Description of drawings
Fig. 1 is the fixed structural representation of the utility model a kind of tension and compression subtracting shock insulation type spherical rotation bearing;
Fig. 2 subtracts the unidirectional movable structural representation of shock insulation type spherical rotation bearing for a kind of tension and compression;
Fig. 3 is the local structure for amplifying schematic diagram of tensile resistance rod.
The specific embodiment
Below in conjunction with accompanying drawing structure and the principle that a kind of tension and compression provided by the utility model subtract shock insulation type spherical rotation bearing is described in further details.
As shown in Figure 1, a kind of tension and compression provided by the utility model subtract shock insulation type spherical rotation bearing and comprise upper base plate 1, middle seat board 2 and following seat board 3, upper base plate 1 has bulge loop 4, middle seat board 2 has lower convex ring 5, middle seat board 2 tops are convex surface, upper base plate 1 bottom is the concave surface that is complementary with convex surface, upper base plate 1 has T type groove 6, middle seat board 2 has the following T type groove 7 that is complementary with last T type groove 6, tensile resistance rod 8 runs through T type groove 6 and following T type groove 7, following seat board 3 is provided with the following tension arm 9 that is complementary with lower convex ring 5, the bottom of middle seat board 2 is provided with energy dissipating plate 10, and following seat board 3 tops are provided with down energy dissipating plate 11, and following seat board 3 is provided with the spacer pin 12 that stretches into down T type groove 7, spacer pin 12 is provided with damping cushion rubber 13, and lower convex ring 5 and 9 on following tension arm are provided with the friction pair of polytetrafluoroethylene (PTFE) draw runner and stainless steel draw runner formation.
As shown in Figure 2, be provided with the top seat board 15 that has gathering sill 14 above the upper base plate 1, gathering sill 14 is provided with the last tension arm 16 that is complementary with last bulge loop 4, and 1 of top seat board 15 and upper base plate, gathering sill 14 and 4 of last bulge loops, last bulge loop 4 and 16 on last tension arm are respectively arranged with the friction pair of polytetrafluoroethylene (PTFE) draw runner and stainless steel draw runner formation.
As shown in Figure 3, tensile resistance rod 8 tops be provided with tighten nut 17, on bear ring 18, go up crashproof elastic damping rubber ring 19, the bottom is provided with down crashproof elastic damping rubber ring 20, bear ring 21 down, time clamp nut 22.
In the use, top seat board 15 is connected as a single entity by following tension arm 9 by tensile resistance rod 8, middle seat board 2 and following seat board 3 by last tension arm 16, upper base plate 1 and middle seat board 2 with upper base plate 1, bears vertical load jointly and transmits vertical pulling force.On bear ring 18 and be buckled on the T type groove 6 by tightening nut 17, under bear ring 21 and withstand on down on the T type groove 7 by following clamp nut 22, on bear the ring 18, bear ring 21 down and be designed to adapt to the guiding slide plane of bearing rotation to guarantee that bearing tension and compression face contact in rotation process is tight and power transmission is even, on bear the ring 18, last T type groove 6, bear ring 21 and following T type groove 7 radius of curvature down and satisfy four principles that sphere is concentric, go up crashproof elastic damping rubber ring 19 simultaneously and guarantee that with down crashproof elastic damping rubber ring 20 bearing tension and compression face in rotation process contacts closely and power transmission is even.3 of middle seat board 2 and following seat boards are gone up energy dissipating plate 10, energy dissipating plate 11 is the Frictional Slipping face down, in normal operating conditions and when being lower than fortification intensity, the superstructure horizontal loading that earthquake motion produces is less than last energy dissipating plate 10 and 11 maximum static friction resistances of following energy dissipating plate, and rubbing surface does not slide.When the earthquake of fortification intensity takes place when, the superstructure horizontal loading that earthquake motion produces is greater than last energy dissipating plate 10 and 11 maximum static friction resistances of following energy dissipating plate, relative slip will take place with 11 of following energy dissipating plates in last energy dissipating plate 10, mechanical movement is converted into molecular motion, mechanical energy is converted into heat energy, thus the dissipative part seismic energy.The cushion rubber of damping simultaneously 13 has very big hysteresis damping under the pulsating stress effect, also with the dissipative part seismic energy, realize the energy-dissipating and shock-absorbing function of bearing thus.And lower convex ring 5 and 9 on following tension arm, top seat board 15 and 1 of upper base plate, gathering sill 14 and 4 of last bulge loops, last bulge loop 4 and 16 on last tension arm are respectively arranged with the friction pair of polytetrafluoroethylene (PTFE) draw runner and stainless steel draw runner formation, the guiding slide plane that can adapt to the bearing translation is to guarantee that bearing tension and compression face contact in the translation process is tight and power transmission is even.
Claims (6)
1. tension and compression subtract shock insulation type spherical rotation bearing, comprise the upper base plate that has bulge loop, the middle seat board and the following seat board that have lower convex ring, middle seat board top is a convex surface, the upper base plate bottom is the concave surface that is complementary with convex surface, it is characterized in that: described upper base plate has T type groove, middle seat board has the following T type groove that is complementary with last T type groove, top is provided with and tightens nut, on bear ring, go up crashproof elastic damping rubber ring, the bottom is provided with down crashproof elastic damping rubber ring, under bear ring, the tensile resistance rod of following clamp nut runs through T type groove and following T type groove, and following seat board is provided with the following tension arm that is complementary with lower convex ring.
2. a kind of tension and compression according to claim 1 subtract shock insulation type spherical rotation bearing, it is characterized in that: the bottom of seat board is provided with the energy dissipating plate in described, and following seat board top is provided with down the energy dissipating plate.
3. a kind of tension and compression according to claim 1 and 2 subtract shock insulation type spherical rotation bearing, it is characterized in that: described seat board down is provided with the spacer pin that stretches into down T type groove, and spacer pin is provided with the damping cushion rubber.
4. a kind of tension and compression according to claim 1 subtract shock insulation type spherical rotation bearing, it is characterized in that: be provided with the friction pair that polytetrafluoroethylene (PTFE) draw runner and stainless steel draw runner constitute between described lower convex ring and following tension arm.
5. a kind of tension and compression according to claim 1 subtract shock insulation type spherical rotation bearing, it is characterized in that: be provided with the top seat board that has gathering sill above the described upper base plate, gathering sill is provided with the last tension arm that is complementary with last bulge loop.
6. a kind of tension and compression according to claim 5 subtract shock insulation type spherical rotation bearing, it is characterized in that: between described top seat board and upper base plate, gathering sill and epirelief interannular, go up the friction pair that is respectively arranged with polytetrafluoroethylene (PTFE) draw runner and stainless steel draw runner formation between bulge loop and last tension arm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201633475U CN201635002U (en) | 2010-04-16 | 2010-04-16 | Tension compression shock-absorption spherical rotation support |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201633475U CN201635002U (en) | 2010-04-16 | 2010-04-16 | Tension compression shock-absorption spherical rotation support |
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| CN201635002U true CN201635002U (en) | 2010-11-17 |
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| CN2010201633475U Expired - Fee Related CN201635002U (en) | 2010-04-16 | 2010-04-16 | Tension compression shock-absorption spherical rotation support |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924705A (en) * | 2014-04-23 | 2014-07-16 | 华南理工大学建筑设计研究院 | Stiffness-variable seismic isolation layer stiffness control mechanism adaptive to structural seismic isolation and wind resistance |
| CN105064205A (en) * | 2015-08-25 | 2015-11-18 | 中铁大桥局武汉桥梁特种技术有限公司 | Spherical bearing |
| CN107939136A (en) * | 2017-12-13 | 2018-04-20 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of Near-source earthquake fixed three-dimensional damping device |
| CN107974923A (en) * | 2017-12-13 | 2018-05-01 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of Near-source earthquake active type three-dimensional damping device |
| CN108203922A (en) * | 2018-02-01 | 2018-06-26 | 广西路桥工程集团有限公司 | Active bearing |
| CN108265573A (en) * | 2018-03-12 | 2018-07-10 | 北京盈峰科技有限公司 | Tension straddle-type monorail bearing |
| CN111472458A (en) * | 2020-05-26 | 2020-07-31 | 北京市建筑设计研究院有限公司 | Prestressed high-strength concentric hemisphere fixed hinged support and mounting and load transfer method thereof |
| CN111485633A (en) * | 2020-05-26 | 2020-08-04 | 北京市建筑设计研究院有限公司 | Concentric hemisphere fixed hinged support and mounting and load transfer method thereof |
-
2010
- 2010-04-16 CN CN2010201633475U patent/CN201635002U/en not_active Expired - Fee Related
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103924705B (en) * | 2014-04-23 | 2015-06-10 | 华南理工大学建筑设计研究院 | Stiffness-variable seismic isolation layer stiffness control mechanism adaptive to structural seismic isolation and wind resistance |
| WO2015161586A1 (en) * | 2014-04-23 | 2015-10-29 | 舒宣武 | Variable-rigidity seismic-isolation layer rigidity control mechanism suitable for structural seismic isolation and wind resistance |
| CN103924705A (en) * | 2014-04-23 | 2014-07-16 | 华南理工大学建筑设计研究院 | Stiffness-variable seismic isolation layer stiffness control mechanism adaptive to structural seismic isolation and wind resistance |
| CN105064205A (en) * | 2015-08-25 | 2015-11-18 | 中铁大桥局武汉桥梁特种技术有限公司 | Spherical bearing |
| CN107974923B (en) * | 2017-12-13 | 2023-11-17 | 中铁二院昆明勘察设计研究院有限责任公司 | Movable three-way damping device for near-field earthquake |
| CN107939136A (en) * | 2017-12-13 | 2018-04-20 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of Near-source earthquake fixed three-dimensional damping device |
| CN107974923A (en) * | 2017-12-13 | 2018-05-01 | 中铁二院昆明勘察设计研究院有限责任公司 | A kind of Near-source earthquake active type three-dimensional damping device |
| CN107939136B (en) * | 2017-12-13 | 2023-11-17 | 中铁二院昆明勘察设计研究院有限责任公司 | Fixed three-way damping device for near-field earthquake |
| CN108203922A (en) * | 2018-02-01 | 2018-06-26 | 广西路桥工程集团有限公司 | Active bearing |
| CN108265573A (en) * | 2018-03-12 | 2018-07-10 | 北京盈峰科技有限公司 | Tension straddle-type monorail bearing |
| CN111485633A (en) * | 2020-05-26 | 2020-08-04 | 北京市建筑设计研究院有限公司 | Concentric hemisphere fixed hinged support and mounting and load transfer method thereof |
| CN111472458B (en) * | 2020-05-26 | 2021-07-13 | 北京市建筑设计研究院有限公司 | Prestressed high-strength concentric hemisphere fixed hinged support and mounting and load transfer method thereof |
| CN111485633B (en) * | 2020-05-26 | 2021-07-13 | 北京市建筑设计研究院有限公司 | Concentric hemisphere fixed hinged support and mounting and load transfer method thereof |
| CN111472458A (en) * | 2020-05-26 | 2020-07-31 | 北京市建筑设计研究院有限公司 | Prestressed high-strength concentric hemisphere fixed hinged support and mounting and load transfer method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101117 Termination date: 20140416 |