CN208649878U - A kind of friction pendulum vibration absorption and isolation support - Google Patents
A kind of friction pendulum vibration absorption and isolation support Download PDFInfo
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- CN208649878U CN208649878U CN201820175349.2U CN201820175349U CN208649878U CN 208649878 U CN208649878 U CN 208649878U CN 201820175349 U CN201820175349 U CN 201820175349U CN 208649878 U CN208649878 U CN 208649878U
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- plate
- sliding seat
- upper bracket
- vibration absorption
- lower support
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Abstract
The utility model discloses a kind of friction pendulum vibration absorption and isolation supports, including upper bracket plate and lower support plate, sliding seat is equipped between the upper bracket plate and lower support plate, wherein, the sliding seat and the contact surface of the upper bracket plate are plane, the sliding seat and the contact surface of the lower support plate are curved surface, and the circumferential direction of the lower support plate is additionally provided with the block for limiting the sliding seat sliding.In daily operating condition, since upper bracket plate and sliding seat contact surface are planar structure, the upper bracket plate will not generate vertical displacement happens is that planar slide, second inner force will not be generated to statically indeterminate structure, overcome the deficiency that conventional doubly curved friction pendulum vibration absorption and isolation support generates second inner force；In addition, the present apparatus separates the sliding surface under normal use operating condition with the sliding surface under earthquake operating condition, normal displacement is separated with earthquake displacement, different friction requirements are separated and are embodied, friction requirements different under different operating conditions are met.
Description
Technical field
The utility model relates to technical field of bridge engineering, especially a kind of friction pendulum vibration absorption and isolation support.
Background technique
Common vibration absorption and isolation support mainly includes high-damping isolation rubber support, lead rubber bearing both at home and abroad at present
And friction pendulum vibration absorption and isolation support etc..High-damping isolation rubber support and lead rubber bearing make since rubber is easy to aging
It is short with the service life, while its bearing capacity is lower, is often only applicable in medium and small span bridge.
Shown in FIG. 1 is the doubly curved friction pendulum vibration absorption and isolation support of existing routine, including shearing resistance bolt 1, stop collar 2, on
It is spherical surface stainless steel slide plate 3, lower peripheral surface stainless steel slide plate 4, middle seat board 5, upper tetrafluoro slide plate 6, lower tetrafluoro slide plate 7, upper base plate 8, close
Skirt 9 and lower seat board 10 are sealed, with upper and lower two spherical surfaces stainless steel slide plate, in normal use process, middle seat board 5 is in upper spherical surface
When sliding on stainless steel slide plate 3 and lower peripheral surface stainless steel slide plate 4, vertical displacement can be also generated while generating lateral displacement,
For doubly curved this statically indeterminate structure of friction pendulum vibration absorption and isolation support, vertical displacement will lead to generation secondary internal forces.
And conventional doubly curved friction pendulum vibration absorption and isolation support, the sliding surface in normal use operating condition, with earthquake operating condition
Under sliding surface be same sliding surface.And in fact, often having different friction and sliding to friction pendulum support under different operating conditions
Demand, therefore, conventional doubly curved friction pendulum vibration absorption and isolation support are difficult to separate different friction requirements since sliding surface is identical
It embodies.
Utility model content
The goal of the invention of the utility model is: subtracting shock insulation branch for the doubly curved friction pendulum of routine of the existing technology
Seat can lead to the problem of vertical displacement under normal use operating condition and be difficult to embody different friction requirements separation, provide one
Kind friction pendulum vibration absorption and isolation support.
To achieve the goals above, the technical solution adopted in the utility model are as follows:
A kind of friction pendulum vibration absorption and isolation support, including upper bracket plate and lower support plate, in the upper bracket plate and lower support plate
Between be equipped with sliding seat, wherein the contact surface of the sliding seat and the upper bracket plate is plane, the sliding seat and it is described under
The contact surface of support plate is curved surface, and the circumferential direction of the lower support plate is additionally provided with the block for limiting the sliding seat sliding.
The working principle of the present apparatus is: in normal use operating condition, due to being equipped with for limiting the sliding seat sliding
Block, therefore, the sliding seat will not be slided relative to lower support plate, and upper bracket plate can occur plane relative to sliding seat and slide
It is dynamic, it plays and subtracts function of shock insulation；
In earthquake operating condition, under the action of seismic force, upper bracket plate will drive sliding in the case where big displacement occurs
Seat slides, and severs the block in lower support plate, during block is severed, can consume the energy of a part of sliding seat,
Therefore also reduce sliding seat again relative to lower support plate occur pendulum-type sliding displacement, that is, reduce upper bracket plate relative to
The relative shift of lower support plate, on the other hand, sliding seat occur to consume earthquake generation when pendulum-type sliding by potential energy acting
Kinetic energy, play and preferably subtract function of shock insulation, improve the safety of the vibration absorption and isolation support and bridge.
The beneficial effect of the present apparatus is: in daily operating condition, since upper bracket plate and sliding seat contact surface are planar structure,
The upper bracket plate will not generate vertical displacement happens is that planar slide, will not generate second inner force to statically indeterminate structure, overcome
Conventional doubly curved friction pendulum vibration absorption and isolation support generates the deficiency of second inner force.In addition, the present apparatus will be under normal use operating condition
Sliding surface is separated with the sliding surface under earthquake operating condition, and normal displacement is separated with earthquake displacement, by different friction requirements point
It is in vitro existing, meet friction requirements different under different operating conditions.
As a preferred embodiment of the present invention, the sliding seat includes the upper protrusive board being oppositely arranged and intermediate seat board, institute
Stating can relatively rotate between protrusive board and intermediate seat board, meet the slide displacement demand of support.
As a preferred embodiment of the present invention, spherical slide plate, institute are equipped between the intermediate seat board and the upper protrusive board
Stating spherical slide plate is spherical shell shape.
As a preferred embodiment of the present invention, the upper protrusive board and intermediate seat board are steel construction, avoid rubber every
It is poor to shake device durability, low bearing capacity, the limited deficiency of adaptability.
As a preferred embodiment of the present invention, plane slide plate, institute are equipped between the upper protrusive board and the upper bracket plate
Stating plane slide plate is flat shape.
As a preferred embodiment of the present invention, damping slide plate is equipped between the intermediate seat board and the lower support plate,
The damping slide plate is curve form.
As a preferred embodiment of the present invention, the circumferential direction of the lower support plate is additionally provided with the lower position block to raise upward,
To prevent sliding seat from sliding from undersetting, limit and girder falling function are realized.
As a preferred embodiment of the present invention, the lower position block and the lower support plate are integrally formed or assembled
Composite structure facilitates processing and installation.
As a preferred embodiment of the present invention, the circumferential direction of the upper bracket plate is additionally provided with downwardly convex upper limit position block,
To prevent upper bracket plate from sliding from sliding seat, limit and girder falling function are realized.
As a preferred embodiment of the present invention, the upper limit position block and the upper bracket plate are integrally formed or assembled
Composite structure facilitates processing and installation.
As a preferred embodiment of the present invention, the block is mounted in the lower support plate by bolt or screw,
Or the block is welded in the lower support plate, easy for installation, easy to disassemble and maintenance replacement.
As a preferred embodiment of the present invention, the friction pendulum vibration absorption and isolation support is process using steel.
In conclusion by adopting the above-described technical solution, the beneficial effects of the utility model are:
1, in daily operating condition, since upper bracket plate and sliding seat contact surface are planar structure, the upper bracket plate occurs
Be planar slide, vertical displacement will not be generated, second inner force will not be generated to statically indeterminate structure, overcome conventional doubly curved rub
Wipe the deficiency that pendulum vibration absorption and isolation support generates second inner force；
2, the present apparatus separates the sliding surface under normal use operating condition with the sliding surface under earthquake operating condition, by normal displacement
It is separated with earthquake displacement, different friction requirements is separated and are embodied, friction requirements different under different operating conditions are met；
3, fast by the way that limit is arranged in upper bracket plate and lower support plate, sliding seat and support plate can be effectively prevent to slide,
It can effectively realize limit and girder falling function；
4, the present apparatus is process using steel, and it is poor to avoid rubber earthquake isolating equipment durability, low bearing capacity, adaptability
Limited deficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the doubly curved friction pendulum vibration absorption and isolation support of existing routine.
Marked in the figure: 1- shearing resistance bolt, 2- stop collar, the upper spherical surface stainless steel slide plate of 3-, 4- lower peripheral surface stainless steel slide plate, in 5-
Seat board, the upper tetrafluoro slide plate of 6-, tetrafluoro slide plate under 7-, 8- upper base plate, 9- sealed skirt, seat board under 10-.
Fig. 2 is the structural schematic diagram of friction pendulum vibration absorption and isolation support of the present invention.
Fig. 3 is the structural schematic diagram (cross-sectional view) when block stress is cut in earthquake.
Fig. 4 is the schematic diagram (cross-sectional view) that block is misplaced by the movement of cutting rear support in earthquake.
Fig. 5 is the structural schematic diagram (cross-sectional view) of upper bracket plate of the present invention.
Fig. 6 is the structural schematic diagram (cross-sectional view) of upper protrusive board of the present invention.
Fig. 7 is the structural schematic diagram (cross-sectional view) of intermediate seat board of the present invention.
Fig. 8 is the structural schematic diagram (cross-sectional view) of lower support plate of the present invention.
Marked in the figure: 1- upper bracket plate, 11- upper limit position block, the upper protrusive board of 2-, seat board among 3-, 4- lower support plate, under 41-
Limited block, 5- block, 6- plane slide plate, 7- spherical slide plate, 8- damping slide plate.
Specific embodiment
With reference to the accompanying drawing, the utility model is described in detail.
In order to make the purpose of the utility model, technical solutions and advantages more clearly understood, below in conjunction with attached drawing and implementation
Example, the present invention will be further described in detail.It should be appreciated that specific embodiment described herein is only to explain this
Utility model is not used to limit the utility model.
As shown in Fig. 2-Fig. 8, a kind of friction pendulum vibration absorption and isolation support, including upper bracket plate 1 and lower support plate 4, on described
Sliding seat is equipped between support plate 1 and lower support plate 4, the circumferential direction of the lower support plate 4 is additionally provided with for limiting the sliding seat
The block 5 of sliding, the block 5 are welded in the lower support plate 4.
The sliding seat includes the upper protrusive board 2 being oppositely arranged and intermediate seat board 3.The intermediate seat board 3 and the upper protrusive board 2
Between be equipped with spherical slide plate 7, can be relatively rotated between the upper protrusive board 2 and intermediate seat board 3.
The upper protrusive board 2 is placed in the lower section of the upper bracket plate 1, is equipped between the upper protrusive board 2 and the upper bracket plate 1
Plane slide plate 6, the upper protrusive board 2 and the contact surface of the upper bracket plate 1 are plane, the upper protrusive board 2 and the upper bracket plate 1
Between can opposite sliding.
The intermediate seat board 3 is between the upper protrusive board 2 and lower support plate 4, the intermediate seat board 3 and the undersetting
Damping slide plate 8 is equipped between plate 4, the intermediate seat board 3 and the contact surface of the lower support plate 4 are curve form, the centre
It can opposite sliding between seat board 3 and the lower support plate 4.
The circumferential direction of the upper bracket plate 1 is additionally provided with downwardly convex upper limit position block 11, and the circumferential direction of the lower support plate 4 is also set
There is the lower position block 41 to raise upward.The upper limit position block 11 is an integral molding structure with the upper bracket plate 1, the lower limit
Block 41 is an integral molding structure with the lower support plate 4.
Wherein what Fig. 3-Fig. 8 was actually expressed is the sectional structure of the present apparatus, in order to preferably express the cooperation of each structure
Relationship, not cross-hatching.
The working principle of the present apparatus is: in normal use operating condition, due to being equipped with for limiting the sliding seat sliding
Block 5, therefore, the sliding seat will not be slided relative to lower support plate 4, and upper bracket plate 1 can occur to put down relative to sliding seat
Face sliding, plays and subtracts function of shock insulation；
In earthquake operating condition, under the action of seismic force, upper bracket plate 1 will drive cunning in the case where big displacement occurs
Dynamic seat slides, and severs the block 5 in lower support plate 4 (sliding seat swings back and forth after earthquake, and theoretically the block of two sides is equal
Can be severed), during block 5 is severed, the energy of a part of sliding seat can be consumed, therefore it is opposite again to also reduce sliding seat
The displacement of pendulum-type sliding occurs in lower support plate 4, that is, reduces relative shift of the upper bracket plate 1 relative to lower support plate 4,
On the other hand, sliding seat occur pendulum-type sliding when consumed by potential energy acting earthquake generation kinetic energy, play preferably subtract every
Shake effect, improves the safety of the vibration absorption and isolation support and bridge.
The beneficial effects of the utility model are: (1) in daily operating condition, since upper bracket plate and sliding seat contact surface are flat
Face structure, the upper bracket plate will not generate vertical displacement happens is that planar slide, will not generate in secondary to statically indeterminate structure
Power overcomes the deficiency that conventional doubly curved friction pendulum vibration absorption and isolation support generates second inner force；(2) present apparatus is by normal use operating condition
Under sliding surface separated with the sliding surface under earthquake operating condition, normal displacement is separated with earthquake displacement, different friction is needed
It asks separation to embody, meets friction requirements different under different operating conditions；(3) it is limited by being arranged in upper bracket plate and lower support plate
Position is fast, and sliding seat and support plate can be effectively prevent to slide, can effectively realize limit and girder falling function；(4) present apparatus uses steel
Material is process, and it is poor to avoid rubber earthquake isolating equipment durability, low bearing capacity, the limited deficiency of adaptability.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Made any modifications, equivalent replacements, and improvements etc., should be included in the utility model within the spirit and principle of utility model
Protection scope within.
Claims (7)
1. a kind of friction pendulum vibration absorption and isolation support, which is characterized in that including upper bracket plate (1) and lower support plate (4), (4), described
Sliding seat is equipped between upper bracket plate (1) and lower support plate (4), wherein the contact of the sliding seat and the upper bracket plate (1)
Face is plane, and the contact surface of the sliding seat and the lower support plate (4) is curved surface, and the circumferential direction of the lower support plate (4) is also set
There is the block (5) for limiting the sliding seat sliding, the sliding seat includes the upper protrusive board (2) being oppositely arranged and intermediate seat board
(3), can be relatively rotated between the upper protrusive board (2) and intermediate seat board (3), the intermediate seat board (3) and the upper protrusive board (2) it
Between be equipped with spherical slide plate (7), the spherical slide plate (7) be spherical shell shape, wherein the lower part of the upper protrusive board (2) be it is convex
Spherical surface, the intermediate seat board (3) are equipped with compatible concave spherical surface.
2. a kind of friction pendulum vibration absorption and isolation support according to claim 1, which is characterized in that the sliding seat and the upper branch
Plane slide plate (6) are equipped between seat board (1), the plane slide plate (6) is flat shape.
3. a kind of friction pendulum vibration absorption and isolation support according to claim 1, which is characterized in that the sliding seat and the lower branch
Damping slide plate (8) are equipped between seat board (4), the damping slide plate (8) is curve form.
4. a kind of friction pendulum vibration absorption and isolation support according to claim 1 to 3, which is characterized in that the lower support plate
(4) circumferential direction is additionally provided with the lower position block (41) to raise upward.
5. a kind of friction pendulum vibration absorption and isolation support according to claim 4, which is characterized in that the lower position block (41) and institute
Lower support plate (4) is stated to be integrally formed or assembling combination structure.
6. a kind of friction pendulum vibration absorption and isolation support according to claim 1 to 3, which is characterized in that the upper bracket plate
(1) circumferential direction is additionally provided with downwardly convex upper limit position block (11).
7. a kind of friction pendulum vibration absorption and isolation support according to claim 6, which is characterized in that the upper limit position block (11) and institute
Upper bracket plate (1) is stated to be integrally formed or assembling combination structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820175349.2U CN208649878U (en) | 2018-01-31 | 2018-01-31 | A kind of friction pendulum vibration absorption and isolation support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820175349.2U CN208649878U (en) | 2018-01-31 | 2018-01-31 | A kind of friction pendulum vibration absorption and isolation support |
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| Publication Number | Publication Date |
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| CN208649878U true CN208649878U (en) | 2019-03-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201820175349.2U Active CN208649878U (en) | 2018-01-31 | 2018-01-31 | A kind of friction pendulum vibration absorption and isolation support |
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| CN (1) | CN208649878U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607735A (en) * | 2019-08-09 | 2019-12-24 | 成都市新筑路桥机械股份有限公司 | Four-line large-span railway bridge supporting system |
-
2018
- 2018-01-31 CN CN201820175349.2U patent/CN208649878U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110607735A (en) * | 2019-08-09 | 2019-12-24 | 成都市新筑路桥机械股份有限公司 | Four-line large-span railway bridge supporting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Limiting device for friction pendulum shock absorption and insulation support Effective date of registration: 20200117 Granted publication date: 20190326 Pledgee: Agricultural Bank of China Limited Xinjin County sub branch Pledgor: CHENGDU JITONG ROAD AND BRIDGE TECHNOLOGY CO.,LTD. Registration number: Y2020510000006 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20210409 Granted publication date: 20190326 Pledgee: Agricultural Bank of China Limited Xinjin County sub branch Pledgor: CHENGDU JITONG ROAD AND BRIDGE TECHNOLOGY Co.,Ltd. Registration number: Y2020510000006 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A kind of friction pendulum bearing Effective date of registration: 20210413 Granted publication date: 20190326 Pledgee: Agricultural Bank of China Limited Chengdu Xinjin sub branch Pledgor: CHENGDU JITONG ROAD AND BRIDGE TECHNOLOGY Co.,Ltd. Registration number: Y2021510000022 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220621 Granted publication date: 20190326 Pledgee: Agricultural Bank of China Limited Chengdu Xinjin sub branch Pledgor: CHENGDU JITONG ROAD AND BRIDGE TECHNOLOGY CO.,LTD. Registration number: Y2021510000022 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 611430 No. 669, Xingyuan 10 Road, Area A, Xinjin County Industrial Park, Chengdu City, Sichuan Province Patentee after: Jitong Intelligent Equipment Co.,Ltd. Address before: 611430 No. 669, Xingyuan 10 Road, Area A, Xinjin County Industrial Park, Chengdu City, Sichuan Province Patentee before: CHENGDU JITONG ROAD AND BRIDGE TECHNOLOGY CO.,LTD. |
|
| CP01 | Change in the name or title of a patent holder |