CN218756954U - Device for improving shock resistance of bridge - Google Patents
Device for improving shock resistance of bridge Download PDFInfo
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- CN218756954U CN218756954U CN202223384712.7U CN202223384712U CN218756954U CN 218756954 U CN218756954 U CN 218756954U CN 202223384712 U CN202223384712 U CN 202223384712U CN 218756954 U CN218756954 U CN 218756954U
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- Prior art keywords
- bridge
- shock attenuation
- push rod
- shock
- post
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- 230000035939 shock Effects 0.000 title claims abstract description 47
- 238000010030 laminating Methods 0.000 claims abstract description 4
- 238000010521 absorption reaction Methods 0.000 claims description 6
- 239000010720 hydraulic oil Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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- Bridges Or Land Bridges (AREA)
Abstract
The utility model relates to a bridge antidetonation technical field specifically is an improve device of bridge shock resistance, which comprises a base, the articulated seat of top fixedly connected with of base, and the inside of articulated seat articulates there is the shock attenuation post, the inner wall laminating of shock attenuation post has the piston piece, and the top fixedly connected with push rod of piston piece, push rod fixed connection is in the bottom of guide post, and the guide post articulates in the bottom of fixed plate, and the device of improvement bridge shock resistance after the improvement will slide in the inner wall of shock attenuation post through the guide post, and then the motion of guide its push rod makes the piston piece slide along the inner wall of shock attenuation post to when extrudeing hydraulic oil and compressed air, the bridge has obtained hydraulic shock attenuation effect, and compares traditional spring shock attenuation, and the shock attenuation motion is more stable soft.
Description
Technical Field
The utility model relates to a bridge antidetonation technical field specifically is an improve bridge shock resistance's device.
Background
The bridge is a key part of life line engineering and has an extremely important position in emergency rescue after earthquake, earthquake relief and restoration and reconstruction after the earthquake.
When earthquake disasters come, the damage of the bridge means the interruption of a life line, disaster relief actions are directly blocked, lives and properties and indirect economic losses are increased, great difficulty is brought to recovery and reconstruction after disasters, and social panic can be instantly detonated once the bridge collapses in the earthquake process.
The prior patent (publication number: CN 211848879U) discloses a device for improving the seismic capacity of a bridge, which comprises a top seat and a base, wherein a connecting column is fixedly arranged at the bottom of the top seat, a settling seat is fixedly arranged at the bottom of the connecting column, a butt-joint seat is fixedly arranged at the top of the base, a support is fixedly arranged at the top of the butt-joint seat, an assembly cavity is formed in the support, one end of the assembly cavity penetrates through and extends to the interior of the butt-joint seat, hollow grooves are formed in the left side and the right side of the butt-joint seat, two assembly grooves which are symmetrically distributed in the left and right direction are formed in the interior of the butt-joint seat, the device for improving the seismic capacity of the bridge has the advantages of improving the seismic capacity of the bridge, and the problems that in the prior art, the bridge needs to bear the traffic of vehicles and pedestrians, the bridge can vibrate when bearing loads, and the building of the bridge can be collapsed or cracked due to long-time frequent vibration, so that potential safety hazards are caused are solved. The inventor finds that the prior art has the following problems in the process of realizing the utility model: in the prior art, a spring damping mechanism is mostly adopted to improve the shock resistance of a bridge, and because the spring has a self-vibration phenomenon, the spring is easy to transmit the vibration of low frequency, and the damping of the spring is not large.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an improve device of bridge shock resistance to solve the problem that proposes in the above-mentioned background art. In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an improve device of bridge shock resistance, includes the base, the articulated seat of top fixedly connected with of base, and the inside of articulated seat articulates there is the shock attenuation post, the inner wall laminating of shock attenuation post has the piston piece, and the top fixedly connected with push rod of piston piece, push rod fixed connection is in the bottom of guide post, and the guide post articulates in the bottom of fixed plate.
Further preferably, the center line of the base is parallel to the center line of the hinge base.
Further preferably, the center line of the shock absorption column coincides with the center line of the piston block, and the center line of the piston block coincides with the center line of the push rod.
Further preferably, the center line of the push rod is coincident with the center line of the guide post.
Further preferably, a plurality of hollow grooves are formed in the piston block.
Further preferably, a center line of the base coincides with a center line of the fixing plate.
Compared with the prior art, the beneficial effects of the utility model are that:
the utility model discloses in, will slide in the inner wall of shock attenuation post through the guide post, and then guide the motion of its push rod, make the piston piece slide along the inner wall of shock attenuation post to when extrusion hydraulic oil and compressed air, the bridge has obtained hydraulic shock attenuation effect, and compares traditional spring shock attenuation, and the shock attenuation motion is more stable soft.
Drawings
FIG. 1 is a schematic view of the front view structure of the present invention;
FIG. 2 is a schematic view of the front view of the whole cross-section structure of the present invention;
FIG. 3 is a side view of the present invention;
FIG. 4 is a schematic view of the piston block overlooking and enlarging structure of the present invention
In the figure: 1. a base; 2. a hinged seat; 3. a shock-absorbing post; 4. a piston block; 5. a push rod; 6. a guide post; 7. and (7) fixing the plate.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by the staff of ordinary skill in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1 to 4, the present invention provides a technical solution: the utility model provides an improve bridge shock resistance's device, includes base 1, the articulated seat of top fixedly connected with 2 of base 1, and the inside of articulated seat 2 articulates there is shock absorber post 3, and the inner wall laminating of shock absorber post 3 has piston block 4, and the top fixedly connected with push rod 5 of piston block 4, and 5 fixed connection of push rod are in the bottom of guide post 6, and guide post 6 articulates in the bottom of fixed plate 7.
In the present embodiment, as shown in fig. 1, the center line of the base 1 is parallel to the center line of the hinge base 2; by installing the base 1 between the box girder and the pier and attaching and connecting the fixed plate 7 to the bottom of the bridge, when the bridge generates a certain amplitude due to an earthquake, the shock absorbing column 3 slightly moves inside the hinge base 2, so that the bridge is kept stable.
In this embodiment, as shown in fig. 2, the center line of the shock-absorbing column 3 coincides with the center line of the piston block 4, and the center line of the piston block 4 coincides with the center line of the push rod 5.
In the present embodiment, as shown in fig. 2, the center line of the push rod 5 coincides with the center line of the guide post 6; after the parts of the device for improving the shock resistance of the bridge are produced, hydraulic oil is filled in the shock absorption columns 3 for secondary processing; after the device installs to the bridge, if the bridge produces vibrations because of the vehicle that comes and goes, guide post 6 will slide in the inner wall of shock attenuation post 3, and then guide its push rod 5's motion, make piston block 4 slide along the inner wall of shock attenuation post 3 to when extrusion hydraulic oil and compressed air, the bridge has obtained certain hydraulic shock attenuation effect, has finally improved the shock resistance of bridge.
In this embodiment, as shown in fig. 4, a plurality of hollow grooves are formed inside the piston block 4; through the hollow-out groove of piston block 4, hydraulic oil overflows in its hollow-out groove when being extruded, and the rethread internal fluid's pressure makes push rod 5 and guide post 6 accomplish and resets.
In the present embodiment, as shown in fig. 3, the center line of the base 1 coincides with the center line of the fixing plate 7; compared with the traditional spring shock absorption, the hydraulic mechanism arranged between the base 1 and the fixed plate 7 of the device for improving the shock resistance of the bridge has more stable and soft shock absorption movement.
The utility model discloses a use method and advantage: when the device for improving the shock resistance of the bridge is used, the working process is as follows:
as shown in fig. 1, 2, 3 and 4, first, the base 1 is installed between the box girder and the pier, and the fixed plate 7 is attached to and connected to the bottom of the bridge, so that when the bridge has a certain amplitude due to an earthquake, the shock absorbing column 3 slightly moves inside the hinge base 2, thereby stabilizing the bridge;
after the parts of the device for improving the shock resistance of the bridge are produced, hydraulic oil is filled in the shock absorption columns 3 for secondary processing; after the device installs to the bridge, if the bridge is when producing vibrations because of the vehicle of coming and going, guide post 6 will slide in the inner wall of shock-absorbing post 3, and then guide its push rod 5's motion, make piston block 4 slide along the inner wall of shock-absorbing post 3, thereby when extrusion hydraulic oil and compressed air, the bridge has obtained certain hydraulic shock attenuation effect, finally the shock resistance of bridge has been improved, and compare traditional spring shock attenuation, the damping motion is stable soft more.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an improve bridge shock resistance's device, includes base (1), its characterized in that: the articulated seat of top fixedly connected with (2) of base (1), and the inside of articulated seat (2) articulates there is shock column (3), the inner wall laminating of shock column (3) has piston piece (4), and the top fixedly connected with push rod (5) of piston piece (4), push rod (5) fixed connection is in the bottom of guide post (6), and guide post (6) articulate in the bottom of fixed plate (7).
2. The device for improving the seismic capacity of the bridge according to claim 1, wherein: the central line of the base (1) is parallel to the central line of the hinged seat (2).
3. The device for improving the seismic capacity of the bridge according to claim 1, wherein: the center line of the shock absorption column (3) is superposed with the center line of the piston block (4), and the center line of the piston block (4) is superposed with the center line of the push rod (5).
4. The device for improving the seismic capacity of the bridge according to claim 1, wherein: the central line of the push rod (5) is superposed with the central line of the guide post (6).
5. The device for improving the seismic capacity of the bridge according to claim 1, wherein: a plurality of hollow grooves are formed in the piston block (4).
6. The device for improving the seismic capacity of the bridge according to claim 1, wherein: the central line of the base (1) is superposed with the central line of the fixing plate (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223384712.7U CN218756954U (en) | 2022-12-16 | 2022-12-16 | Device for improving shock resistance of bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223384712.7U CN218756954U (en) | 2022-12-16 | 2022-12-16 | Device for improving shock resistance of bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218756954U true CN218756954U (en) | 2023-03-28 |
Family
ID=85682969
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223384712.7U Active CN218756954U (en) | 2022-12-16 | 2022-12-16 | Device for improving shock resistance of bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218756954U (en) |
-
2022
- 2022-12-16 CN CN202223384712.7U patent/CN218756954U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Tangshan Longtai road and Bridge Engineering Co.,Ltd. Assignor: NORTH CHINA University OF SCIENCE AND TECHNOLOGY Contract record no.: X2023980040202 Denomination of utility model: A device for improving the seismic resistance of bridges Granted publication date: 20230328 License type: Common License Record date: 20230822 |