CN113882234B - Bridge with anti-seismic pin - Google Patents
Bridge with anti-seismic pin Download PDFInfo
- Publication number
- CN113882234B CN113882234B CN202110980633.3A CN202110980633A CN113882234B CN 113882234 B CN113882234 B CN 113882234B CN 202110980633 A CN202110980633 A CN 202110980633A CN 113882234 B CN113882234 B CN 113882234B
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- China
- Prior art keywords
- bridge
- seismic
- pin
- upper side
- buffer
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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
- E01D1/00—Bridges in general
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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
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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
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
Abstract
The invention belongs to the technical field of bridge anti-seismic devices, and discloses a bridge with anti-seismic pins, wherein pin blocks are poured on the upper sides of bridge piers, and the anti-seismic pins are fixed on the pin blocks; the anti-seismic pin is arranged in an upper bridge groove which is fixed on the bridge; the upper side of the bridge pier is provided with a buffer block, and the upper side of the buffer block is provided with a buffer cushion; the anti-seismic pin is provided with a shaft body, and the lower end of the shaft body is provided with a lower side fixing plate and an upper side fixing plate; the spring is installed to upside fixed plate upside, and the spring upside is connected with the connection circle piece. According to the bridge pier, the pin blocks are cast on the upper sides of the bridge piers, and the anti-seismic pins are cast on the pin blocks, so that the shock absorption structure and the upper bridge frame can be prevented from being shifted, repair can be performed in time, and the safety of the bridge is improved. The anti-seismic pin is arranged, so that the anti-seismic pin has a certain interference while playing a role in connection, and damage to the anti-seismic pin is avoided. The hydraulic cylinder has good corrosion resistance, compact structure, large damping force and small friction control resistance, and improves the anti-seismic effect.
Description
Technical Field
The invention belongs to the technical field of bridge anti-seismic devices, and particularly relates to a bridge with anti-seismic pins.
Background
At present, the topography and the topography of China are complex, and in order to realize the connection of all areas and ensure the stable development of the economy and the society of all areas, the bridge structure plays an extremely important role. Because the weight of the bridge is quite large and the effect and importance thereof, the quality of the bridge must be ensured to meet the national relevant standard in the process of designing the bridge, the adaptability, the stability and the fusion with the environment of the bridge must be fully considered, the structural quality of the bridge must be ensured to resist larger-scale natural disasters, and the life and property safety of people is ensured.
The earthquake reduction and isolation technology is short for building earthquake isolation technology and building vibration reduction technology, and a rigid connection building is softened by adopting a certain technological means, so that the damage of the building in an earthquake is further reduced, and the building is protected to a certain extent. The inspiration of the earthquake reduction and isolation technology is derived from the large earthquake of Tangshan, the technology effectively reduces the loss of the personal property caused by natural disasters, and the technology has been widely applied. The technical principle of shock absorption and insulation is adopted in bridge structural design, namely, the bridge is isolated from rigid contact with the bridge pier by a technical person, so that adverse influence of the earthquake on the bridge is reduced. This has many advantages but also has great difficulty. On the one hand, in order to separate the bridge structure from the ground structure, the related rule of the earthquake must be fully known, and the engineering is selected to be carried out in the inactive period of the earthquake as much as possible, on the other hand, the engineering amount of the link is large and complex, so that the construction time must be ensured to be provided for constructors, the maximum advantage of the seismic isolation and reduction technology can be exerted as much as possible, the stability of the bridge structure is improved, and meanwhile, the related technicians must check the seismic isolation and reduction equipment, so that the adverse effect of the bridge structure is reduced.
Through the above analysis, the problems and defects existing in the prior art are as follows: in the prior art, the bridge has insufficient rigidity, and dislocation can occur after long-time use, so that the service life of the bridge is influenced.
Disclosure of Invention
In order to solve the problems in the prior art, the invention provides a bridge with anti-seismic pins.
The invention is realized in such a way that the bridge with the anti-seismic pin is provided with the bridge pier; the upper side of the bridge pier is poured with a pin block, and the pin block is fixed with an anti-seismic pin;
the anti-seismic pin is arranged in an upper bridge groove which is fixed on the bridge;
the upper side of the bridge pier is provided with a buffer block, and the upper side of the buffer block is provided with a buffer cushion;
the anti-seismic pin is provided with a shaft body, and the lower end of the shaft body is provided with a lower side fixing plate and an upper side fixing plate; the spring is installed to upside fixed plate upside, and the spring upside is connected with the connection circle piece.
Further, the buffer cushion is connected with the buffer block through the hydraulic cylinder, and the buffer cushion is connected with the connecting plate through the fixing bolt.
Further, a rectangular through hole is formed in the connecting plate.
Further, the buffer block is provided with a shell, sliding grooves are formed in two sides of the inside of the shell, sliding blocks are slidably connected with the sliding grooves, and the sliding blocks are connected with the buffer plate through connecting rods.
Further, a damping spring is fixed between the lower end of the buffer plate and the bottom side of the shell.
Further, the bottom side of the shell is fixed with a base, a groove is formed in the middle of the base, and a rubber pad is fixed on the bottom side of the groove.
Further, limiting plates on two sides of the groove are provided with threaded holes, and the threaded holes are screwed with clamping bolts.
Further, the cushion pad is provided with a pad body, and the pad body is provided with a clamping groove.
Further, the joint groove joint has the rubber piece, is provided with the concave convex point on the rubber piece.
Further, the shaft body penetrates through a through hole connected with the center of the round block.
By combining all the technical schemes, the invention has the advantages and positive effects that: according to the bridge pier, the pin blocks are cast on the upper sides of the bridge piers, and the anti-seismic pins are cast on the pin blocks, so that the shock absorption structure and the upper bridge frame can be prevented from being shifted, repair can be performed in time, and the safety of the bridge is improved. The anti-seismic pin is arranged, so that the anti-seismic pin has a certain interference while playing a role in connection, and damage to the anti-seismic pin is avoided. The hydraulic cylinder has good corrosion resistance, compact structure, large damping force and small friction control resistance, and improves the anti-seismic effect. According to the invention, through the structural design of the buffer block, the stability of the damping structure is improved; meanwhile, the rubber blocks are arranged in the buffer cushion, so that the upper bridge is prevented from being damaged.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present application, the following description will briefly explain the drawings needed in the embodiments of the present application, and it is obvious that the drawings described below are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic diagram of a bridge structure with anti-seismic pins according to an embodiment of the present invention.
Fig. 2 is a schematic structural view of a cushion pad, a hydraulic cylinder and a cushion block according to an embodiment of the present invention.
Fig. 3 is a schematic diagram of a buffer block structure according to an embodiment of the present invention.
FIG. 4 is a schematic view of a cushion structure according to an embodiment of the present invention.
Fig. 5 is a schematic view of an earthquake-resistant pin structure according to an embodiment of the present invention.
In the figure: 1. a bridge; 2. an upper bridge groove; 3. an anti-seismic pin; 4. a pin block; 5. bridge piers; 6. a cushion pad; 7. a buffer block; 8. a hydraulic cylinder; 9. rectangular through holes; 10. a fixing bolt; 11. a connecting plate; 12. a buffer plate; 13. a housing; 14. a damping spring; 15. a rubber pad; 16. a base; 17. clamping a bolt; 18. a cushion body; 19. a clamping groove; 20. a rubber block; 21. a lower fixing plate; 22. an upper fixing plate; 23. a spring; 24. connecting round blocks; 25. a shaft body.
Detailed Description
The present invention will be described in further detail with reference to the following examples in order to make the objects, technical solutions and advantages of the present invention more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Aiming at the problems existing in the prior art, the invention provides a bridge with anti-seismic pins, and the invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1, a pin block 4 is poured on the upper side of a bridge pier 5 in the bridge with the anti-seismic pin, the anti-seismic pin 3 is fixed on the pin block 4, the anti-seismic pin 3 is arranged in an upper bridge groove 2, and the upper bridge groove 2 is fixed on a bridge 1; the buffer block 7 is installed to pier 5 upside, and buffer block 7 upside is provided with blotter 6.
As shown in fig. 2, a cushion pad 6 provided by the embodiment of the invention is connected with a cushion block 7 through a hydraulic cylinder 8, the cushion pad 6 is connected with a connecting plate 11 through a fixing bolt 10, and a rectangular through hole 9 is arranged on the connecting plate 11.
As shown in fig. 3, the buffer block 7 provided by the embodiment of the invention is provided with a shell 13, two sides of the inside of the shell 13 are provided with sliding grooves, the sliding grooves are slidingly connected with sliding blocks, the sliding blocks are connected with a buffer plate 12 through connecting rods, and a damping spring 14 is fixed between the lower end of the buffer plate 12 and the bottom side of the shell 13; a base 16 is fixed at the bottom side of the shell 13, a groove is arranged in the middle of the base 16, and a rubber pad 15 is fixed at the bottom side of the groove; limiting plates on two sides of the groove are provided with threaded holes, and the threaded holes are screwed with clamping bolts 17.
As shown in fig. 4, the cushion pad 6 provided by the embodiment of the invention is provided with a pad body 18, the pad body 18 is provided with a clamping groove 19, the clamping groove 19 is clamped with a rubber block 20, and the rubber block 20 is provided with concave-convex points.
As shown in fig. 5, the anti-seismic pin provided by the embodiment of the invention is provided with a shaft body 25, and the lower end of the shaft body 25 is provided with a lower side fixing plate 21 and an upper side fixing plate 22; the upper side of the upper side fixing plate 22 is provided with a spring 23, the upper side of the spring 23 is connected with a connecting round block 24, and a shaft body 25 penetrates through a through hole in the center of the connecting round block 24.
The working principle of the invention is as follows: during installation, the bridge pier is poured firstly, the anti-seismic pin is poured in the pin block, the bridge is formed on the ground in a pouring mode, the damping block is installed on the pin block in the installation process, the anti-seismic pad is installed on the anti-seismic block, and finally the bridge is installed on the anti-seismic block, and the anti-seismic pin is installed in a groove below the bridge frame.
When an earthquake or an external force affects the bridge pier, the force is buffered through the buffer device, so that the influence on the bridge is reduced as much as possible, and the structural integrity and the good mechanical property of the bridge are ensured.
In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front," "rear," "head," "tail," and the like are used as an orientation or positional relationship based on that shown in the drawings, merely to facilitate description of the invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The foregoing is merely illustrative of specific embodiments of the present invention, and the scope of the invention is not limited thereto, but any modifications, equivalents, improvements and alternatives falling within the spirit and principles of the present invention will be apparent to those skilled in the art within the scope of the present invention.
Claims (5)
1. The utility model provides a take bridge of antidetonation pin which characterized in that, take bridge of antidetonation pin to be provided with:
bridge piers;
the upper side of the bridge pier is poured with a pin block, and the pin block is fixed with an anti-seismic pin;
the anti-seismic pin is arranged in an upper bridge groove which is fixed on the bridge;
the upper side of the bridge pier is provided with a buffer block, and the upper side of the buffer block is provided with a buffer cushion;
the anti-seismic pin is provided with a shaft body, and the lower end of the shaft body is provided with a lower side fixing plate and an upper side fixing plate; the upper side of the upper side fixing plate is provided with a spring, and the upper side of the spring is connected with the connecting round block;
the buffer cushion is connected with the buffer block through a hydraulic cylinder and is connected with the connecting plate through a fixing bolt;
the buffer block is provided with a shell, sliding grooves are formed in two sides of the inside of the shell, the sliding grooves are slidably connected with sliding blocks, and the sliding blocks are connected with the buffer plate through connecting rods;
a damping spring is fixed between the lower end of the buffer plate and the bottom side of the shell;
a base is fixed on the bottom side of the shell, a groove is formed in the middle of the base, and a rubber pad is fixed on the bottom side of the groove;
limiting plates on two sides of the groove are provided with threaded holes, and the threaded holes are screwed with clamping bolts.
2. Bridge with anti-seismic pins according to claim 1, wherein the connection plates are provided with rectangular through holes.
3. The bridge with shock resistant pins as claimed in claim 1, wherein said cushion pad is provided with a pad body provided with a clamping groove.
4. A bridge with anti-seismic pins as in claim 3, wherein said clamping grooves are clamped with rubber blocks provided with concave-convex points.
5. Bridge with anti-seismic pin according to claim 1, wherein the axle is through-going through a hole connecting the centre of the round block.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980633.3A CN113882234B (en) | 2021-08-25 | 2021-08-25 | Bridge with anti-seismic pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110980633.3A CN113882234B (en) | 2021-08-25 | 2021-08-25 | Bridge with anti-seismic pin |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113882234A CN113882234A (en) | 2022-01-04 |
| CN113882234B true CN113882234B (en) | 2023-05-23 |
Family
ID=79011498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110980633.3A Active CN113882234B (en) | 2021-08-25 | 2021-08-25 | Bridge with anti-seismic pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113882234B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101231653B1 (en) * | 2011-05-30 | 2013-02-14 | 김해남 | Earthquake Proof Apparatus for a Structure |
| CN206873279U (en) * | 2017-05-11 | 2018-01-12 | 张莉 | A kind of bridge girder anti-seismic bearing |
| CN206721660U (en) * | 2017-05-15 | 2017-12-08 | 霍银根 | A kind of shock-absorbing bridge support |
| CN207314121U (en) * | 2017-09-22 | 2018-05-04 | 中国水利水电第六工程局有限公司 | A kind of steel structure bridge builds damping device |
| CN212000606U (en) * | 2020-03-07 | 2020-11-24 | 福建通能电气科技有限公司 | Bridge anti-seismic support |
| CN212052291U (en) * | 2020-04-26 | 2020-12-01 | 成都鹏程路桥机械有限公司 | Bridge damping support |
| CN212582403U (en) * | 2020-06-01 | 2021-02-23 | 张书荃 | Damping support for bridge design |
| CN213389680U (en) * | 2020-06-29 | 2021-06-08 | 刘学振 | Public road bridge roof beam support of moving away to avoid possible earthquakes based on bridge security performance |
| CN213358305U (en) * | 2020-08-05 | 2021-06-04 | 李秋红 | Bridge damping support |
-
2021
- 2021-08-25 CN CN202110980633.3A patent/CN113882234B/en active Active
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| Publication number | Publication date |
|---|---|
| CN113882234A (en) | 2022-01-04 |
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