CN215668988U - One-way large-damping anti-falling beam friction pendulum support - Google Patents
One-way large-damping anti-falling beam friction pendulum support Download PDFInfo
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- CN215668988U CN215668988U CN202122258644.9U CN202122258644U CN215668988U CN 215668988 U CN215668988 U CN 215668988U CN 202122258644 U CN202122258644 U CN 202122258644U CN 215668988 U CN215668988 U CN 215668988U
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Abstract
The utility model belongs to the technical field of bridge supports and discloses a one-way large-damping anti-falling beam friction pendulum support. The main technical characteristics are as follows: including upper bracket board, sphere tetrafluoro board, ball core, plane tetrafluoro board and bottom suspension bedplate, be provided with the outer fixing base that has outer fenestrate near the outside at bottom suspension bedplate upper surface, be provided with the interior fixing base that has interior fenestrate in corresponding the position with outer fixing base at upper bracket board, be provided with the wire rope ring between interior fixing base and outer fixing base, the wire rope ring passes interior perforation and outer perforation. When upper bracket board horizontal migration takes place because of reasons such as earthquake, the both sides wire rope ring that is located the moving direction is strained or compression deformation, because of self elasticity production with the opposite effort of moving direction, can consume seismic energy, after the external force is cancelled, the effort of the production of wire rope ring can also reset the upper bracket board, the wire rope ring can also hold the upper bracket board, prevents the emergence of roof beam accident.
Description
Technical Field
The utility model belongs to the technical field of bridge supports, and particularly relates to a one-way large-damping anti-falling beam friction pendulum support.
Background
The friction pendulum support can play a role in shock absorption and shock insulation through swinging energy consumption and is widely applied to bridges. Present friction pendulum support includes upper bracket board, sphere tetrafluoro board, ball core, plane tetrafluoro board and undersetting board, when taking place the earthquake, swings between upper bracket board, ball core and the undersetting board and realizes the power consumption, and above-mentioned friction pendulum support has following defect because the reason of structure: firstly, after the friction pendulum reciprocates for multiple times, residual displacement exists, and the residual displacement cannot be recovered to the original position, so that the energy consumption capacity during reciprocating circulation during earthquake again is reduced; secondly, when the magnitude of vibration is large, the swing amplitude of the friction pendulum is large, accidents such as beam falling and the like are easily caused, and the damage degree is large.
In order to solve the above problems, a viscous damper is arranged between the upper support plate and the lower support plate, so that the friction pendulum support can improve resistance when swinging, energy consumption is achieved, and when the upper support plate is deviated, the upper support plate can be reset by the damper, but the support has the following problems: firstly, the damper has high cost, poor weather-proof effect, short service life and easy oil leakage; secondly, when the earthquake direction is along the direction along the bridge direction or the transverse bridge direction, the resetting effect is obvious and has obvious directivity, but the earthquake direction is not strictly along the bridge direction or the transverse bridge direction under most conditions, so the resetting effect is not obvious.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem of providing a one-way large-damping anti-falling beam friction pendulum support which has a simple structure, long service life and good weather-proof effect, can be suitable for earthquakes in any direction and can effectively prevent the occurrence of beam falling accidents.
In order to solve the problems, the one-way large-damping anti-falling beam friction pendulum support adopts the technical scheme that: including upper bracket board, sphere tetrafluoro board, ball core, plane tetrafluoro board and undersetting board the undersetting board upper surface is provided with near the outside and has outer fenestrate outer fixing base upper bracket board with outer fixing base corresponds the position and is provided with and has interior fenestrate interior fixing base with be provided with the wire rope ring between the outer fixing base, the wire rope ring passes interior perforation and outer perforation.
The additional technical characteristics are as follows:
the diameter of the steel wire rope ring is larger than the distance between the inner through hole and the outer through hole;
the outer fixing base comprises a first outer fixing plate fixed with the lower support plate and a second outer fixing plate located above the first outer fixing plate, a second groove is formed in the lower surface of the second outer fixing plate, the first outer fixing plate and the second outer fixing plate are fixed with the lower support plate through second fixing bolts inserted into the second threaded holes, and the second groove and the upper surface of the first outer fixing plate form the outer perforation.
Compared with the prior art, the one-way large-damping anti-falling beam friction pendulum support provided by the utility model has the following advantages: firstly, because the shock absorber comprises an upper support plate, a spherical tetrafluoro plate, a spherical core, a planar tetrafluoro plate and a lower support plate, an outer fixed seat with an outer perforation is arranged on the upper surface of the lower support plate close to the outer side, an inner fixed seat with an inner perforation is arranged at the position of the upper support plate corresponding to the outer fixed seat, a wire rope ring is arranged between the inner fixed seat and the outer fixed seat, the wire rope ring passes through the inner perforation and the outer perforation, when the upper support plate horizontally moves due to earthquakes and other reasons, the wire rope ring at one side far away from the moving direction is strained and deformed, the wire rope ring at one side close to the moving direction is compressed and deformed due to the self elasticity, an acting force opposite to the moving direction is also generated due to the self elasticity, not only earthquake energy can be consumed, but also the upper support plate can be reset due to the acting force generated by the wire rope ring after the external force is cancelled, the reset effect is good, the energy consumption capacity for the second time after the first energy consumption cycle is increased, when the displacement exceeds the limit set by the support, the upper support plate can be pulled by the steel wire rope ring, the occurrence of beam falling accidents is prevented, good energy consumption and reset effects can be achieved no matter in the direction along the bridge, the direction transverse to the bridge or any other direction, the corrosion resistance and the weather resistance of the steel wire rope ring are good, and the service life is long; secondly, the diameter of the steel wire rope ring is larger than the distance between the inner through hole and the outer through hole, so that the energy consumption and the reset effect are better; thirdly, as the outer side of the upper support plate is provided with a first threaded hole, the inner fixed seat comprises an inner fixed plate with a first groove, the inner fixing plate is fixed with the upper support plate through a first fixing bolt inserted into a first threaded hole, the inner through hole is formed by the first groove and the outer wall surface of the upper support plate in a surrounding mode, a second threaded hole is arranged above the lower support plate, the outer fixing seat comprises a first outer fixing plate fixed with the lower support plate and a second outer fixing plate positioned above the first outer fixing plate, a second groove is arranged on the lower surface of the second outer fixing plate, the first outer fixing plate and the second outer fixing plate are fixed with the lower support plate through a second fixing bolt inserted into a second threaded hole, the second groove and the upper surface of the first outer fixing plate are encircled to form the outer through hole, so that the processing, the installation and the replacement are more convenient.
Drawings
FIG. 1 is a schematic structural view of a one-way large damping anti-drop beam friction pendulum support of the present invention;
FIG. 2 is a schematic structural diagram of a one-way large damping anti-drop beam friction pendulum support in a top view.
Detailed Description
The structure and the use principle of the one-way large-damping anti-falling beam friction pendulum support are further described in detail with reference to the attached drawings and the detailed description.
As shown in fig. 1 and 2, the structural schematic diagram of the unidirectional large damping anti-drop beam friction pendulum support of the present invention includes an upper support plate 1, a spherical tetrafluoro plate 2, a spherical core 3, a planar tetrafluoro plate 4 and a lower support plate 5, an outer fixing seat 7 with an outer through hole 6 is disposed on the upper surface of the lower support plate 5 near the outer side, an inner fixing seat 9 with an inner through hole 8 is disposed at the position of the upper support plate 1 corresponding to the outer fixing seat 7, and a wire rope ring 10 is disposed between the inner fixing seat 9 and the outer fixing seat 7. The wire rope loop 10 passes through the inner perforation 8 and the outer perforation 6.
When the upper support plate 1 horizontally moves due to earthquakes and the like, the wire rope ring 10 far away from one side of the moving direction is tensioned and deformed, acting force opposite to the moving direction is generated due to self elasticity, the wire rope ring 10 close to one side of the moving direction is compressed and deformed, and acting force opposite to the moving direction is also generated due to self elasticity, so that not only can earthquake energy be consumed, after the external force is cancelled, the upper support plate can be reset by the acting force generated by the wire rope ring 10, the resetting effect is good, and the energy consumption capacity after the first energy consumption circulation is increased. When the displacement surpassed the limit that the support set for, wire rope ring 10 can also hold the upper bracket board, prevents the emergence of roof beam accident, and no matter in the direction of following the bridge, horizontal bridge direction or other arbitrary directions, all can play fine power consumption and the effect that resets moreover, wire rope ring 10 corrosion resisting property and weather resistance are good, long service life.
The diameter of the steel wire rope ring 10 is larger than the distance between the inner through hole 8 and the outer through hole 6, and the energy consumption and the reset effect are better.
A first threaded hole 11 is formed in the outer side of the upper support plate 1, the inner fixing seat 9 includes an inner fixing plate 92 having a first groove 91, and the inner fixing plate 92 is fixed to the upper support plate 1 by a first fixing bolt 12 inserted into the first threaded hole 11. First recess 91 and the outer wall of upper bracket board 1 enclose into interior perforation 8, be provided with second screw hole 13 above bottom suspension bedplate 5, outer fixing base 7 includes first outer fixed plate 71 fixed with bottom suspension bedplate 5 and the second outer fixed plate 72 that is located this first outer fixed plate 71 top, lower surface at second outer fixed plate 72 is provided with second recess 73, first outer fixed plate 71, second outer fixed plate 72 is fixed with bottom suspension bedplate 5 through the second fixing bolt 14 that inserts in second screw hole 13, second recess 73 encloses into outer perforation 6 with the upper surface of first outer fixed plate 71, and processing, installation and change are more convenient.
The protection scope of the present invention is not limited to the above-mentioned embodiments, and it falls within the protection scope of the present invention as long as the structure is the same as or similar to the structure of the unidirectional large damping anti-falling beam friction pendulum support of the present invention.
Claims (3)
1. One-way big damping prevents roof beam friction pendulum support that falls, including upper bracket board, sphere tetrafluoro board, ball core, plane tetrafluoro board and bottom suspension bedplate, its characterized in that: an outer fixing seat with an outer through hole is arranged on the upper surface of the lower support plate close to the outer side, an inner fixing seat with an inner through hole is arranged at the position, corresponding to the outer fixing seat, of the upper support plate, a steel wire rope ring is arranged between the inner fixing seat and the outer fixing seat, and the steel wire rope ring penetrates through the inner through hole and the outer through hole.
2. The one-way large damping anti-falling beam friction pendulum support of claim 1, wherein: the diameter of the steel wire rope ring is larger than the distance between the inner through hole and the outer through hole.
3. The one-way large damping anti-falling beam friction pendulum support of claim 1, wherein: the outer fixing base comprises a first outer fixing plate fixed with the lower support plate and a second outer fixing plate located above the first outer fixing plate, a second groove is formed in the lower surface of the second outer fixing plate, the first outer fixing plate and the second outer fixing plate are fixed with the lower support plate through second fixing bolts inserted into the second threaded holes, and the second groove and the upper surface of the first outer fixing plate form the outer perforation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122258644.9U CN215668988U (en) | 2021-09-17 | 2021-09-17 | One-way large-damping anti-falling beam friction pendulum support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122258644.9U CN215668988U (en) | 2021-09-17 | 2021-09-17 | One-way large-damping anti-falling beam friction pendulum support |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215668988U true CN215668988U (en) | 2022-01-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122258644.9U Active CN215668988U (en) | 2021-09-17 | 2021-09-17 | One-way large-damping anti-falling beam friction pendulum support |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215668988U (en) |
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2021
- 2021-09-17 CN CN202122258644.9U patent/CN215668988U/en active Active
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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: Unidirectional large damping anti falling beam friction pendulum support Effective date of registration: 20230711 Granted publication date: 20220128 Pledgee: China Construction Bank Corporation Hengshui Housing and Urban Construction Sub-branch Pledgor: HENGSHUI RUBBER GENERAL PLANT Co.,Ltd. Registration number: Y2023980048118 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |