CN209779437U - Anti-seismic device for highway bridge - Google Patents
Anti-seismic device for highway bridge Download PDFInfo
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- CN209779437U CN209779437U CN201920239863.2U CN201920239863U CN209779437U CN 209779437 U CN209779437 U CN 209779437U CN 201920239863 U CN201920239863 U CN 201920239863U CN 209779437 U CN209779437 U CN 209779437U
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Abstract
The utility model discloses an anti-seismic device for public road bridge roof beam, include the bridge plate and fix the damping device in the bridge plate bottom, the lower extreme of bridge plate is equipped with the backup pad parallel with the bridge plate, its characterized in that: be equipped with fastener between bridge plate and the backup pad, fastener is including the fastening screw who has the open slot, spliced pole and the buffer spring of taking the screw, the bottom of screw be equipped with the tapered iron of open slot butt, fastening screw passes the screw and fixes bridge plate and backup pad, damping device includes multidirectional shock attenuation support bracket, perpendicular bumper shock absorber and connector, multidirectional shock attenuation support bracket is located the lower extreme of bridge plate, multidirectional shock attenuation support bracket passes through the connector and is connected with perpendicular bumper shock absorber. The utility model discloses an antidetonation device for bridge simple structure, the function is practical.
Description
Technical Field
The utility model discloses a public road bridge anti-seismic device for roof beam belongs to bridge technical field.
Background
With the development of society, vehicles are increasing continuously, overpasses and large sea-crossing bridges are increasing continuously, when the overpasses and river-crossing bridges are built, an anti-seismic device needs to be installed at the joint of a support and a bridge floor to reduce the vibration generated when the vehicles run on the upper side of the bridge floor, the existing anti-seismic device is poor in anti-seismic capacity and short in service life, needs to be replaced frequently, and consumes a large amount of time and expenditure.
SUMMERY OF THE UTILITY MODEL
To the above problem, the utility model aims at providing a highway is anti-seismic device for bridge to the anti-seismic device shock resistance who provides in solving above-mentioned background art is relatively poor, and the life-span is shorter, needs to carry out the problem of frequent change.
In order to achieve the above object, the present invention provides the following technical solutions:
The utility model provides a highway is anti-seismic device for bridge, includes the bridge slab and fixes the damping device in the bridge slab bottom, the lower extreme of bridge slab is equipped with the backup pad parallel with the bridge slab, its characterized in that: be equipped with fastener between bridge plate and the backup pad, fastener is including the fastening screw who has the open slot, spliced pole and the buffer spring of taking the screw, the bottom of screw be equipped with the tapered iron of open slot butt, fastening screw passes the screw and fixes bridge plate and backup pad, damping device includes multidirectional shock attenuation support bracket, perpendicular bumper shock absorber and connector, multidirectional shock attenuation support bracket is located the lower extreme of bridge plate, multidirectional shock attenuation support bracket passes through the connector and is connected with perpendicular bumper shock absorber.
As a further improvement of the utility model: the height of the connecting column is smaller than the distance between the bridge plate and the supporting plate, the buffer spring surrounds the outer side of the connecting column, and the height of the buffer spring is higher than that of the connecting column.
As a further improvement of the utility model: the middle part of multidirectional shock attenuation support bracket is equipped with the fixed orifices, the one end of connector is connected in the fixed orifices, and the other end and the perpendicular bumper shock absorber of connector connect, the lower extreme of perpendicular bumper shock absorber is equipped with fixed steelframe, perpendicular bumper shock absorber passes through fixed steelframe and is connected with the backup pad.
As a further improvement of the utility model: four diagonal positions of the multidirectional damping support bracket are provided with lateral dampers, and the lateral dampers are connected with the support plate through a fixed steel frame.
As a further improvement of the utility model: the supporting plate is provided with a groove, a shock pad is embedded in the groove, and the shock pad is composed of vulcanized rubber.
As a further improvement of the utility model: and a rubber water stop is arranged in the fixing hole.
The utility model has the advantages that: when the bridge deck is under negative pressure, a buffer spring in the anti-vibration device contracts to reduce the vibration of the bridge deck, the conical iron is in fit connection with the open slot, when the fastening bolt is guided into the screw hole, the conical iron supports the open slot to the periphery, so that the bottom end of the fastening bolt is more closely connected with the screw hole, the anti-vibration device is closely connected with a truss between the bridge deck and a support, the multidirectional damping support bracket is fixedly connected on a bridge plate through a connecting nut, the lateral dampers at four corners at the bottom of the multidirectional damping support bracket can perform damping support on four lateral sides of the bridge, so that the multidirectional damping support is performed, the bridge is comprehensively damped and protected, the damage of the bridge deck caused by the vibration is prevented, the service life of the bridge is prolonged, the support of the combined support frame is more stable, and the damping device is formed by combining and splicing the multidirectional damping support bracket, the vertical dampers and the connector, the installation and the use are more convenient, and the practicability is improved.
Drawings
Fig. 1 is a schematic structural view of an anti-seismic device for a highway bridge of the present invention;
FIG. 2 is a schematic view of the fastening device;
Fig. 3 is a schematic structural view of the support plate.
Reference numerals: 1. a bridge plate; 2. a connector; 3. a multidirectional shock absorbing support bracket; 4. a support plate; 5. fixing the steel frame; 6. a vertical shock absorber; 7. a lateral shock absorber; 8. a buffer spring; 9. fastening screws; 10. a screw hole; 11. connecting columns; 12. an open slot; 13. a conical iron; 14. a shock pad; 15. and (4) a groove.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases by those skilled in the art
Referring to fig. 1-3, an anti-seismic device for a highway bridge comprises a bridge plate 1 and a damping device fixed at the bottom end of the bridge plate 1, a supporting plate 4 parallel to the bridge plate 1 is arranged at the lower end of the bridge plate 1, a fastening device is arranged between the bridge plate 1 and the supporting plate 4, the fastening device comprises a fastening screw 9 with an open slot 12, a connecting column 11 with a screw hole 10 and a buffer spring 8, a conical iron 13 abutted against the open slot 12 is arranged at the bottom end of the screw hole 10, the fastening screw 9 penetrates through the screw hole 10 to fix the bridge plate 1 and the supporting plate 4, the damping device comprises a multidirectional damping supporting bracket 3, a vertical damper 6 and a connector 2, the multidirectional damping supporting bracket 3 is located at the lower end of the bridge plate 1, and the multidirectional damping supporting bracket 3 is connected with the vertical damper 6 through the connector 2.
By adopting the technical scheme, when the bridge floor is under negative pressure, the buffer spring 8 in the anti-vibration device can contract to reduce the vibration of the bridge floor, the tapered iron 13 is in fit connection with the open slot 12, when the fastening bolt is guided into the screw hole 10, the tapered iron 13 supports the open slot 12 to the periphery, so that the bottom end of the fastening bolt is more closely connected with the screw hole 10, the anti-vibration device is closely connected with a truss between the bridge floor and a support, the multidirectional damping support bracket 3 is fixedly connected on the bridge plate 1 through the connecting nut, the lateral dampers 7 at four corners at the bottom of the multidirectional damping support bracket 3 can perform damping support on four lateral directions of the bridge, so that the multidirectional damping support is performed, the bridge is comprehensively subjected to damping protection, the damage of the bridge floor caused by the vibration is prevented, the service life of the bridge is prolonged, and the support of the combined support frame is more stable, secondly, this damping device forms through multidirectional shock attenuation support bracket 3, perpendicular bumper shock absorber 6 and the combination concatenation of connector 2, and convenience more when installation and use improves the practicality.
As a specific embodiment of the improvement: the height of the connecting column 11 is smaller than the distance between the bridge plate 1 and the support plate 4, the buffer spring 8 surrounds the outer side of the connecting column 11, and the height of the buffer spring 8 is higher than that of the connecting column 11.
Through adopting above-mentioned technical scheme, the height of spliced pole 11 is less than buffer spring 8's height, and when buffer spring 8 received pressure extremely, certain pressure will be accepted to spliced pole 11, protection buffer spring 8.
As a specific embodiment of the improvement: the middle part of multidirectional shock attenuation support bracket 3 is equipped with the fixed orifices, and the one end of connector 2 is connected in the fixed orifices, and the other end and the perpendicular bumper shock absorber 6 of connector 2 are connected, and the lower extreme of perpendicular bumper shock absorber 6 is equipped with fixed steelframe 5, and perpendicular bumper shock absorber 6 is connected with backup pad 4 through fixed steelframe 5.
Through adopting above-mentioned technical scheme, the welding of four corners of fixed steelframe 5 and backup pad 4 is passed through to the bottom of perpendicular bumper shock absorber 6, and structural strength is big, is difficult for causing separation between them.
As a specific embodiment of the improvement: four diagonal positions of the multidirectional shock absorption support bracket 3 are provided with lateral shock absorbers 7, and the lateral shock absorbers 7 are connected with the support plate 4 through a fixed steel frame 5.
Through adopting above-mentioned technical scheme, side direction bumper shock absorber 7 is fixed at four diagonal positions of fixed steelframe 5, can support the shock attenuation of a plurality of directions of bridge slab 1, carries out comprehensive shock attenuation protection to the bridge.
As a specific embodiment of the improvement: the supporting plate 4 is provided with a groove 15, a shock pad 14 is embedded in the groove 15, and the shock pad 14 is made of vulcanized rubber.
Through adopting above-mentioned technical scheme, arranged shock pad 14 on backup pad 4, be connected with damping device on the shock pad 14, each part pulls each other, has good shock attenuation effect, has also reduceed the produced noise of vibrations simultaneously.
As a specific embodiment of the improvement: a rubber water stop is arranged in the fixing hole.
Through adopting above-mentioned technical scheme, prevent that screw 10 is corroded too fast.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides a highway is antidetonation device for bridge, includes bridge plate (1) and fixes the damping device in bridge plate (1) bottom, the lower extreme of bridge plate (1) is equipped with backup pad (4) parallel with bridge plate (1), its characterized in that: be equipped with fastener between bridge plate (1) and backup pad (4), fastener is including fastening screw (9) that have open slot (12), spliced pole (11) and buffer spring (8) of taking screw (10), the bottom of screw (10) is equipped with tapered iron (13) with open slot (12) butt, fastening screw (9) are passed screw (10) and are fixed bridge plate (1) and backup pad (4), damping device is including multidirectional shock attenuation support bracket (3), perpendicular bumper shock absorber (6) and connector (2), multidirectional shock attenuation support bracket (3) are located the lower extreme of bridge plate (1), multidirectional shock attenuation support bracket (3) are connected with perpendicular bumper shock absorber (6) through connector (2).
2. An anti-seismic device for road bridges according to claim 1, wherein: the height of the connecting column (11) is smaller than the distance between the bridge plate (1) and the supporting plate (4), the buffer spring (8) surrounds the outer side of the connecting column (11), and the height of the buffer spring (8) is higher than that of the connecting column (11).
3. An anti-seismic device for road bridges according to claim 1, wherein: the middle part of multidirectional shock attenuation support bracket (3) is equipped with the fixed orifices, the one end of connector (2) is connected in the fixed orifices, and the other end and perpendicular bumper shock absorber (6) of connector (2) are connected, the lower extreme of perpendicular bumper shock absorber (6) is equipped with fixed steelframe (5), perpendicular bumper shock absorber (6) are connected with backup pad (4) through fixed steelframe (5).
4. An anti-seismic device for road bridges according to claim 3, wherein: four diagonal positions of the multidirectional damping support bracket (3) are provided with lateral dampers (7), and the lateral dampers (7) are connected with the support plate (4) through a fixed steel frame (5).
5. An anti-seismic device for road bridges according to claim 1, wherein: the supporting plate (4) is provided with a groove (15), the groove (15) is embedded with a shock pad (14), and the shock pad (14) is made of vulcanized rubber.
6. An anti-seismic device for road bridges according to claim 3, wherein: and a rubber water stop is arranged in the fixing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239863.2U CN209779437U (en) | 2019-02-26 | 2019-02-26 | Anti-seismic device for highway bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920239863.2U CN209779437U (en) | 2019-02-26 | 2019-02-26 | Anti-seismic device for highway bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209779437U true CN209779437U (en) | 2019-12-13 |
Family
ID=68795727
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920239863.2U Active CN209779437U (en) | 2019-02-26 | 2019-02-26 | Anti-seismic device for highway bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209779437U (en) |
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2019
- 2019-02-26 CN CN201920239863.2U patent/CN209779437U/en active Active
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