CN114875782A - Earthquake recognition type shock-resistant support - Google Patents
Earthquake recognition type shock-resistant support Download PDFInfo
- Publication number
- CN114875782A CN114875782A CN202210683328.2A CN202210683328A CN114875782A CN 114875782 A CN114875782 A CN 114875782A CN 202210683328 A CN202210683328 A CN 202210683328A CN 114875782 A CN114875782 A CN 114875782A
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- stop block
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- material component
- inner stop
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- 230000035939 shock Effects 0.000 title claims description 6
- 239000012530 fluid Substances 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 41
- 239000013013 elastic material Substances 0.000 claims description 19
- 239000000725 suspension Substances 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 abstract description 5
- 239000010959 steel Substances 0.000 abstract description 5
- 239000003921 oil Substances 0.000 description 14
- 238000010586 diagram Methods 0.000 description 4
- 238000004873 anchoring Methods 0.000 description 3
- 230000003139 buffering effect Effects 0.000 description 3
- 238000004891 communication Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 238000001125 extrusion Methods 0.000 description 2
- 239000010720 hydraulic oil Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 229920002545 silicone oil Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/04—Bearings; Hinges
- E01D19/042—Mechanical bearings
- E01D19/046—Spherical bearings
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The invention relates to the technical field of bridge supports, and aims to solve the problems that a section of non-rigid sliding area is arranged between a first-stage limiting protection structure and a second-stage limiting protection structure in the conventional two-stage anti-seismic spherical steel support, after the first-stage limiting protection structure fails, a second-stage stop block needs to bear a large impact load, and the second-stage stop block is easily damaged by impact; a shear pin is connected between the inner stop block and the lower support plate; a cavity is formed between the inner stop block and the outer stop block, and a buffer piece is accommodated in the cavity; according to the invention, the buffer piece is arranged between the inner stop block and the outer stop block, so that a non-rigidity sliding area is not arranged between the inner stop block and the outer stop block, the buffer piece can absorb and absorb a part of earthquake energy, the impact load to the outer stop block is reduced, and the safety performance of a bridge structure is improved.
Description
Technical Field
The invention relates to the technical field of bridge supports, in particular to an earthquake recognition type impact-resistant support which is used for a Yangtze river north-branch bridge project of ShangYu high-speed rail.
Background
At present, a large horizontal force support adopted in bridge engineering is basically of a first-level anti-seismic type, namely, the support is provided with a stop block on each side of a lower support plate of the support according to the horizontal bearing capacity requirement provided by design, and the stop blocks are fixedly connected with an upper support plate to bear horizontal load. And once the horizontal force generated by accidental factors such as earthquake exceeds the limit bearing capacity of the stop block, the stop block is sheared to be damaged, the horizontal constraint structure is lost, the condition of beam falling (because the beam body is pulled by the stay cable) probably cannot be caused for a cable-stayed bridge or a suspension bridge at the moment, the arch bridge and the simply supported beam are extremely unfavorable, and no measure which can be relied on again exists after the first limit fails.
In the trade, there has been a second grade antidetonation type ball-type steel support, increases a spacing protection structure again on ordinary support's basis, realizes hierarchical limit function to the structure to a certain extent, nevertheless is one section no rigidity's slip district between first order and the spacing protection structure of second grade, and after the spacing protection structure of first order became invalid, the second grade dog need bear very big impact load, therefore the second grade dog is destroyed by the impact very easily.
Disclosure of Invention
The invention aims to provide an earthquake recognition type impact-resistant support so as to solve the problems that in the existing two-stage earthquake-resistant type spherical steel support, a section of non-rigidity sliding area is arranged between a first-stage limiting protection structure and a second-stage limiting protection structure, after the first-stage limiting protection structure fails, a second-stage stop block needs to bear a large impact load, and the second-stage stop block is easily damaged by impact.
The invention is realized by adopting the following technical scheme:
an earthquake recognition type impact-resistant support comprises an upper support plate, a spherical crown lining plate and a lower support plate which are sequentially arranged from top to bottom, wherein a spherical sliding plate is arranged between the upper support plate and the spherical crown lining plate, and a planar sliding plate is arranged between the spherical crown lining plate and the lower support plate;
the lower support plate is provided with an inner stop block and an outer stop block at two sides of the transverse bridge in the upward direction, and the inner stop block is positioned between the upper support plate and the outer stop block;
a shear pin is connected between the inner stop block and the lower support plate;
a cavity is formed between the inner stop block and the outer stop block, and a buffer piece is accommodated in the cavity.
According to the invention, the inner stop block is closer to the upper support plate than the outer stop block, and the beam body is displaced in the transverse bridge direction under special states such as earthquakes.
Because the shear pin is connected between the inner stop block and the lower support plate, the rigidity before the shear pin is broken serves as the first section rigidity of the structure, and the structure has certain impact resistance, but if the impact force applied to the inner stop block exceeds the strength of the shear pin, the shear pin is broken, and the inner stop block impacts the outer stop block.
As a preferred technical scheme:
the inner stop block and the upper support plate are provided with a rotating sleeve therebetween, and the rotating sleeve is sleeved on the outer side of the upper support plate.
The rotating sleeve is arranged to avoid that the shear pin is not broken in a designed state due to the fact that stress concentration of the inner stop block is caused by a corner.
As a preferred technical scheme:
the top of the inner stop block is connected with a pressing plate, and the pressing plate partially extends out of the inner stop block and is pressed on the top of the rotating sleeve.
The pressing plate is in press connection with the top of the rotating sleeve and can limit the rotating sleeve.
As a preferred technical scheme:
the pressing plate is connected with the inner stop block through a bolt.
As a preferred technical scheme:
the buffer piece is an elastic material component or a fluid material component.
As a preferred technical scheme:
the elastic material component is rubber, steel shrapnel and the like.
For increasing the transverse stiffness of the structure.
As a preferred technical scheme:
the fluid material component comprises an oil bag, a fluid buffer material is filled in the oil bag, and the oil bag is extruded to break.
The fluid buffer material is wrapped by adopting an oil bag design, so that the loss under a normal state is avoided. However, in special states such as earthquake, the oil bag will be broken under the action of external force, so as to realize the outward flow of the fluid buffer material.
As a preferred technical scheme:
the fluid buffer material is silicone oil, hydraulic oil and the like.
As a preferred technical scheme:
the inner stop block and the outer stop block are respectively provided with two stages of steps, the step surfaces of the inner stop block and the outer stop block are arranged oppositely, the outer stop block is matched with the inner stop block, two cavities are formed between the inner stop block and the outer stop block and are respectively a first cavity and a second cavity, and the top of the first cavity is sealed by the pressing plate.
The inner stop block and the outer stop block are matched in step surface, specifically, the step surfaces of the inner stop block and the outer stop block are opposite, and a certain gap is reserved between the inner stop block and the outer stop block, so that a completely closed cavity and a cavity with an open top are formed between the inner stop block and the outer stop block, and the cavity with the open top can be just closed by utilizing the pressing plate.
As a preferred technical scheme:
the first cavity and the second cavity are internally provided with the elastic material component.
The elastic material component has an elastic buffering effect and can absorb and absorb a part of earthquake energy, so that the impact effect on the external stop block is reduced.
As a preferable technical scheme:
the fluid material component is arranged in each of the first cavity and the second cavity, a first exhaust hole is formed in the pressing plate, and the first exhaust hole is communicated with the first cavity;
and a second drainage hole is formed in the outer stop block and communicated with the second cavity.
The first drainage hole is used for communicating the first chamber with the outside, the second drainage hole is used for communicating the second chamber with the outside, so that after the oil bag is broken by extrusion, the fluid buffer material passes through the first drainage hole and the second drainage hole to overflow the space of the stop block, and second section rigidity is provided for the structure.
As a preferred technical scheme:
the elastic material component is arranged in the first cavity, and the fluid material component is arranged in the second cavity;
or the fluid material component is arranged in the first cavity, and the elastic material component is arranged in the second cavity.
According to the invention, two materials can be combined and respectively arranged in the first cavity and the second cavity, the cavity provided with the elastic material member does not need to be provided with a drainage hole, and the cavity provided with the fluid material member is correspondingly provided with the drainage hole.
As a preferred technical scheme:
be provided with in the second cavity the fluid material component, first cavity with be linked together through the intercommunicating pore between the second cavity, first discharge orifice has been seted up on the clamp plate, first discharge orifice with first cavity is linked together.
The fluid material component is arranged in the second chamber only, and after the oil bag is extruded and broken, the fluid buffer material enters the first chamber through the communication hole and then is discharged from the first discharge hole. In the process, the rigidity of the first section is the rigidity before the shear pin is broken, the rigidity of the second section is the rigidity of the fluid buffer material discharged from the second chamber to the first chamber when the second chamber bears the load, and the rigidity of the third section is the rigidity of the first chamber and the second chamber simultaneously bearing the load and discharging the fluid buffer material to the outside of the structure. The rigidity of the three sections increases the safety of the structure.
As a preferred technical scheme:
the shear pin sequentially penetrates through the outer stop block, the inner stop block and the lower support plate.
As a preferred technical scheme:
the upper support plate and the lower support plate can be connected with an external structure through anchoring parts and can also be directly connected with the external structure, such as welding and the like, the upper support plate is used for being connected with a beam body, and the lower support plate is used for being connected with an abutment.
As a preferred technical scheme:
the lower support plate is provided with a mirror surface stainless steel plate, and the mirror surface stainless steel plate and the plane sliding plate form a sliding pair.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
the earthquake recognition type anti-impact support is provided with the inner stop block and the outer stop block, namely a two-stage limiting protection structure, under special states such as an earthquake, a beam body is displaced in the transverse bridge, the inner stop block and the outer stop block are used for resisting in the transverse bridge, and dangerous conditions such as beam falling are avoided. The inner stop block and the outer stop block are not provided with a non-rigid sliding area, so that after the inner stop block fails, the inner stop block can be effectively buffered in the process of displacing towards the outer stop block, the impact action on the outer stop block is reduced, the impact load on the outer stop block is reduced, the outer stop block is prevented from being damaged by impact, and the safety performance of a bridge structure is improved.
Drawings
Fig. 1 is a schematic structural diagram of a seismic recognition type impact-resistant support according to embodiment 1 of the present invention.
Fig. 2 is a schematic structural diagram of a seismic recognition type impact-resistant support according to embodiment 2 of the present invention.
Fig. 3 is a schematic structural diagram of a seismic recognition type impact-resistant support according to embodiment 3 of the present invention.
Fig. 4 is a schematic structural diagram of a seismic recognition type impact-resistant support according to embodiment 4 of the present invention.
Icon: 1-upper support plate, 2-spherical cap lining plate, 3-lower support plate, 4-spherical sliding plate, 5-plane sliding plate, 6-mirror surface stainless steel plate, 7-anchoring piece, 8-inner block, 9-outer block, 10-step surface, 11-first chamber, 12-second chamber, 13-elastic material component, 14-fluid material component, 15-rotating sleeve, 16-pressing plate, 17-shearing pin, 18-first drainage hole, 19-second drainage hole and 20-communication hole.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, this embodiment provides an earthquake recognition type shock-resistant support, include from last upper bracket board 1, spherical crown welt 2, the undersetting board 3 that sets gradually down, upper bracket board 1 with be equipped with spherical slide 4 between the spherical crown welt 2, spherical slide 4 is located in the recess on the upper bracket board 1, spherical slide 4 with form the revolute pair between the spherical crown welt 2, spherical crown welt 2 with be equipped with planar slide 5 between the undersetting board 3, planar slide 5 is located in the tang on the spherical crown welt 2, be fixed with mirror surface corrosion resistant plate 6 on the undersetting board 3, mirror surface corrosion resistant plate 6 with planar slide 5 forms the sliding pair.
The upper support plate 1 and the lower support plate 3 can be connected with an external structure through an anchoring part 7 or directly connected with the external structure, such as welding and the like, the upper support plate 1 is used for being connected with a beam body, and the lower support plate 3 is used for being connected with an abutment.
The shear pin 17 is connected between the inner stop block 8 and the lower support plate 3, and the shear pin 17 sequentially penetrates through the outer stop block 9, the inner stop block 8 and the lower support plate 3.
In order to avoid the stress concentration of the inner stop block 8 and the failure of the shear pin 17 in the design state, a rotating sleeve 15 is arranged between the inner stop block 8 and the upper support plate 1, and the rotating sleeve 15 is sleeved on the outer side of the upper support plate 1.
The top of the inner stop block 8 is connected with a pressure plate 16, and the pressure plate 16 partially extends out of the side surface of the inner stop block 8 and is pressed on the top of the rotating sleeve 15 to limit the rotating sleeve 15. In this embodiment, the pressure plate 16 is connected to the inner stopper 8 by bolts.
Since the shear pin 17 is connected between the inner block 8 and the lower seat plate 3, the rigidity of the shear pin 17 before breaking is the first section rigidity of the structure, and the shear pin 17 has a certain impact resistance, but if the impact force applied to the inner block 8 exceeds the strength of the shear pin 17, the shear pin 17 breaks, and the inner block 8 will impact the outer block 9, so the shear pin 17 can control the working time. Because be equipped with between interior dog 8 with outer dog 9 elastic material component 13, consequently, interior dog 8 with be not the slip district that does not have rigidity between the outer dog 9, elastic material component 13 is as the second section rigidity of structure, has realized can effectively cushion and has alleviateed including the in-process of dog 8 inefficacy back displacement to outer dog 9 the impact to outer dog 9 reduces the impact load to outer dog 9, has improved bridge construction's security performance.
The earthquake recognition type shock-resistant support provided by the embodiment can realize the shock absorption characteristic, the speed-related characteristic and the buffering characteristic between the inner stop block 8 and the outer stop block 9 so as to reduce the load impact on the outer stop block 9 in special states such as an earthquake.
Example 2
This example differs from example 1 in that:
as shown in fig. 2, a fluid material member 14 is disposed in each of the first chamber 11 and the second chamber 12, and the fluid material member 14 includes an oil bag filled with a fluid buffer material and broken by being pressed. The fluid buffer material is wrapped by adopting an oil bag design, so that the loss under a normal state is avoided. The fluid buffer material is silicone oil, hydraulic oil and the like.
A first exhaust hole 18 is formed in the pressure plate 16, and the first exhaust hole 18 is communicated with the first chamber 11; the outer block 9 is provided with a second drainage hole 19, and the second drainage hole 19 is communicated with the second chamber 12. The first drainage hole 18 is used for communicating the first chamber 11 with the outside of the block, the second drainage hole 19 is used for communicating the second chamber 12 with the outside of the block, and therefore after the oil bag is broken due to extrusion, a fluid buffer material can overflow out of the space of the block through the first drainage hole 18 and the second drainage hole 19, and second section rigidity is provided for the structure.
In a special state such as an earthquake, when the inner block 8 fails, the inner block 8 impacts the outer block 9, the oil bag between the two blocks is broken under pressure, the fluid buffer material in the oil bag flows into the chamber, and the fluid buffer material in the chamber is discharged from the first discharge hole 18 and the second discharge hole 19 due to the pressure, so that the outward flow of the fluid buffer material is realized, and then, the second section of rigidity is the rigidity for simultaneously carrying and discharging the fluid buffer material out of the structure by the first chamber 11 and the second chamber 12.
Example 3
This example differs from example 2 in that:
as shown in fig. 3, the elastic material member 13 is disposed in the first chamber 11, and the fluid material member 14 is disposed in the second chamber 12; in this embodiment, two kinds of members are combined and are respectively disposed in the first chamber 11 and the second chamber 12, and in this embodiment, since the elastic member 13 is disposed in the first chamber 11, the first vent hole 18 does not need to be opened.
Of course, the fluid material member 14 may be provided in the first chamber 11, and the elastic material member 13 may be provided in the second chamber 12. The chambers in which the resilient member 13 is disposed need not be vented, and the chambers in which the fluid member 14 is disposed may be correspondingly vented.
Example 4
This example differs from example 2 in that:
as shown in fig. 4, the second outlet opening 19 in embodiment 2 is eliminated, and only the first outlet opening 18 is opened in the pressure plate 16, the first outlet opening 18 communicating with the first chamber 11, and the first outlet opening 18 communicating the first chamber 11 with the outside of the stopper.
The first chamber 11 and the second chamber 12 are communicated with each other through a communication hole 20, and the fluid material member 14 is provided only in the second chamber 12.
Because the first chamber 11 and the second chamber 12 are communicated, after the inner stop 8 fails, the inner stop 8 will move towards the outer stop 9, squeezing the oil bag in the second chamber 12, and after the oil bag is broken, the fluid buffer material will flow into the first chamber 11 from the second chamber 12, and then the stop will be discharged from the first chamber 11 through the first discharge hole 18.
Thus, three-stage stiffness of the configuration can be achieved: the first section stiffness is the stiffness before the shear pin 17 breaks, the second section stiffness is the stiffness of the fluid cushioning material discharged from the second chamber 12 to the first chamber 11 when the second chamber 12 is loaded, and the third section stiffness is the stiffness of the first chamber 11 and the second chamber 12 simultaneously loaded with the fluid cushioning material discharged to the outside of the structure. The rigidity of the three sections increases the safety of the structure.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The utility model provides an earthquake discernment type support that shocks resistance, includes from last upper bracket board, spherical crown welt, the bottom suspension bedplate that sets gradually extremely down, the upper bracket board with be equipped with the sphere slide between the spherical crown welt, the spherical crown welt with be equipped with plane slide, its characterized in that between the bottom suspension bedplate:
the lower support plate is provided with an inner stop block and an outer stop block at two sides of the transverse bridge in the upward direction, and the inner stop block is positioned between the upper support plate and the outer stop block;
a shear pin is connected between the inner stop block and the lower support plate;
a cavity is formed between the inner stop block and the outer stop block, and a buffer piece is accommodated in the cavity.
2. The seismic recognition impact-resistant mount of claim 1, wherein:
the inner stop block and the upper support plate are provided with a rotating sleeve therebetween, and the rotating sleeve is sleeved on the outer side of the upper support plate.
3. The seismic recognition impact-resistant mount of claim 2, wherein:
the top of the inner stop block is connected with a pressing plate, and the pressing plate partially extends out of the inner stop block and is pressed on the top of the rotating sleeve.
4. The seismic recognition impact-resistant mount of claim 3, wherein:
the buffer piece is an elastic material component or a fluid material component.
5. The seismic identification type impact-resistant mount according to claim 4, wherein:
the fluid material component comprises an oil bag, a fluid buffer material is filled in the oil bag, and the oil bag is extruded to break.
6. The seismic recognition impact-resistant mount of claim 5, wherein:
the inner stop block and the outer stop block are respectively provided with two stages of steps, the step surfaces of the inner stop block and the outer stop block are arranged oppositely, the outer stop block is matched with the inner stop block, two cavities are formed between the inner stop block and the outer stop block and are respectively a first cavity and a second cavity, and the top of the first cavity is sealed by the pressing plate.
7. The seismic recognition impact-resistant mount of claim 6, wherein:
the first cavity and the second cavity are internally provided with the elastic material component.
8. The seismic recognition impact-resistant mount of claim 6, wherein:
the fluid material component is arranged in each of the first cavity and the second cavity, a first exhaust hole is formed in the pressing plate, and the first exhaust hole is communicated with the first cavity;
and a second drainage hole is formed in the outer stop block and communicated with the second cavity.
9. The seismic recognition impact-resistant mount of claim 6, wherein:
the elastic material component is arranged in the first cavity, and the fluid material component is arranged in the second cavity;
or the fluid material component is arranged in the first cavity, and the elastic material component is arranged in the second cavity.
10. The seismic recognition impact-resistant mount of claim 6, wherein:
be provided with in the second cavity the fluid material component, first cavity with be linked together through the intercommunicating pore between the second cavity, first discharge orifice has been seted up on the clamp plate, first discharge orifice with first cavity is linked together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210683328.2A CN114875782A (en) | 2022-06-17 | 2022-06-17 | Earthquake recognition type shock-resistant support |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210683328.2A CN114875782A (en) | 2022-06-17 | 2022-06-17 | Earthquake recognition type shock-resistant support |
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| Publication Number | Publication Date |
|---|---|
| CN114875782A true CN114875782A (en) | 2022-08-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210683328.2A Pending CN114875782A (en) | 2022-06-17 | 2022-06-17 | Earthquake recognition type shock-resistant support |
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| Country | Link |
|---|---|
| CN (1) | CN114875782A (en) |
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| KR20120009010A (en) * | 2010-07-21 | 2012-02-01 | 진형건설(주) | Seismic isolation device for a bridge |
| CN202519580U (en) * | 2012-04-24 | 2012-11-07 | 中交第一公路勘察设计研究院有限公司 | Tension-compression damping spherical steel supporting seat |
| CN107044084A (en) * | 2017-06-14 | 2017-08-15 | 西南交通大学 | A kind of two direction two-stage displacement-limited with dissipation block spherical bearing |
| CN207828768U (en) * | 2018-01-25 | 2018-09-07 | 王修山 | A kind of bridge beaded support limit restraining structure |
| CN108867349A (en) * | 2018-08-09 | 2018-11-23 | 交通运输部公路科学研究所 | A kind of friction pendulum vibration absorption and isolation support with multilayer shear pin |
| CN213925834U (en) * | 2020-09-10 | 2021-08-10 | 山东交通学院 | Prevent roof beam shock attenuation ball-type support that falls |
| CN217579739U (en) * | 2022-06-17 | 2022-10-14 | 成都市新筑交通科技有限公司 | Earthquake recognition type shock-resistant support |
-
2022
- 2022-06-17 CN CN202210683328.2A patent/CN114875782A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2556255Y (en) * | 2002-06-17 | 2003-06-18 | 成都市新筑路桥机械股份有限公司 | Anti-shock basin-type rubber bearing |
| JP2005336897A (en) * | 2004-05-28 | 2005-12-08 | Nippon Chuzo Kk | Bolt breakable shock absorbing stopper device and base isolation device of bridge |
| CN101775778A (en) * | 2010-01-28 | 2010-07-14 | 成都市新筑路桥机械股份有限公司 | Vibration-insulation damping supporting seat used for bridges |
| KR20120009010A (en) * | 2010-07-21 | 2012-02-01 | 진형건설(주) | Seismic isolation device for a bridge |
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| CN107044084A (en) * | 2017-06-14 | 2017-08-15 | 西南交通大学 | A kind of two direction two-stage displacement-limited with dissipation block spherical bearing |
| CN207828768U (en) * | 2018-01-25 | 2018-09-07 | 王修山 | A kind of bridge beaded support limit restraining structure |
| CN108867349A (en) * | 2018-08-09 | 2018-11-23 | 交通运输部公路科学研究所 | A kind of friction pendulum vibration absorption and isolation support with multilayer shear pin |
| CN213925834U (en) * | 2020-09-10 | 2021-08-10 | 山东交通学院 | Prevent roof beam shock attenuation ball-type support that falls |
| CN217579739U (en) * | 2022-06-17 | 2022-10-14 | 成都市新筑交通科技有限公司 | Earthquake recognition type shock-resistant support |
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