CN218090491U - Assembled self-resetting shock-absorbing pier - Google Patents
Assembled self-resetting shock-absorbing pier Download PDFInfo
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- CN218090491U CN218090491U CN202221972380.1U CN202221972380U CN218090491U CN 218090491 U CN218090491 U CN 218090491U CN 202221972380 U CN202221972380 U CN 202221972380U CN 218090491 U CN218090491 U CN 218090491U
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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
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Abstract
The utility model relates to the technical field of bridge structure design, and provides an assembled self-resetting shock-absorbing pier which is provided with a shock-isolating component with a cambered surface structure, a lower supporting seat and an upper capping beam, wherein when the horizontal displacement generated by the vibration of a bridge is small, the shock-isolating component can slide along the cambered surface to perform horizontal movement; when the horizontal displacement generated by the vibration of the bridge is large, the shock insulation component slides along the cambered surface to perform horizontal motion, and generates shear deformation per se, and the shock insulation self-resetting of the bridge structure can be realized through the reciprocating shear deformation of the shock insulation component. The bridge has good multistage damping capacity and limiting capacity, prevents the bridge from falling to the beam and being damaged, can promote the self-resetting of the bridge in the earthquake, provides energy consumption capacity, reduces the damage of the bridge pier to the greatest extent and improves the restorability of the bridge.
Description
Technical Field
The utility model relates to a bridge structures designs technical field, especially relates to an assembled from restoring to throne shock attenuation pier.
Background
The bridge can produce relative displacement in different directions in the use or under the earthquake action, and when the displacement exceeds the actual beam falling prevention length or limit of the bridge, the beam falling can occur, so that the traffic is interrupted. Therefore, in the bridge structure, it is generally required to install a bearing between the upper and lower structures of the bridge to resist the external load, temperature variation, earthquake, etc.
The rubber support is widely applied at present, is arranged on the upper part of a pier independently, can stably support an upper structure, can reduce the transmission of seismic energy in the vertical direction, but has lower horizontal rigidity, is easy to generate uncontrollable shearing deformation under a large earthquake, causes the damage of the support, even falls to a beam and causes serious consequences.
Disclosure of Invention
The utility model provides an assembled from shock attenuation pier that restores to throne has solved that current pier horizontal rigidity is lower, the relatively poor technical problem of anti-seismic performance and spacing ability on the horizontal direction.
In order to solve the technical problem, the utility model provides an assembled self-resetting shock-absorbing pier, which comprises an upper supporting plate, a lower supporting seat, an upper bent cap and a plurality of shock-isolating components, wherein the upper bent cap and the plurality of shock-isolating components are arranged between the upper supporting plate and the lower supporting seat; the upper bent cap is fixed on the bottom surface of the upper supporting plate and is abutted against the shock insulation member; the lower supporting seat is used for bearing the shock insulation members, and a plurality of shock insulation members are arranged on the lower supporting seat at equal intervals; the top surface and the bottom surface of the shock insulation component are both arc-shaped structures and are in sliding connection with the upper cover beam and the lower supporting seat.
In a further embodiment, the shock insulation member comprises a top plate, a lead rubber support and a bottom plate which are connected in sequence; the top plate is an arc-shaped plate surface arched upwards, the bottom plate is an arc-shaped plate surface sunken downwards, the lead core rubber support is laminated rubber, and the top surface and the bottom surface of the lead core rubber support are respectively attached to arc surfaces of the top plate and the bottom plate.
In a further embodiment, the upper part of the upper cover beam is a top beam, and the lower part of the upper cover beam is a first arc-shaped steel plate; the top surface of the top beam is a flat plate surface, and the bottom surface of the top beam is a wavy dome-shaped surface; the first arc-shaped steel plate is a wavy steel plate attached to the bottom surface of the top beam.
In a further embodiment, the lower support seat comprises a second arc-shaped steel plate, a lower mounting seat and a pier from top to bottom; the top surface of the lower mounting seat is a downward-sunken wavy groove, the middle part of the bottom surface is horizontally connected with the bridge pier, and two sides of the bottom surface are inclined upwards;
in a further embodiment, the second arc-shaped steel plate is a wave-shaped steel plate attached to the top surface of the lower mounting seat.
In a further embodiment, the curvature of the top surface of the lower support seat is the same as the curvature of the bottom surface of the seismic isolation member, and the curvature of the bottom surface of the upper cover beam is the same as the curvature of the top surface of the seismic isolation member; the top plate and the bottom plate have the same curvature.
In a further embodiment, the laminated rubber comprises a plurality of rubber interlayers and at least one steel plate interlayer; the top plate and the bottom plate are both polytetrafluoroethylene plates.
In a further embodiment, the first curved steel plate is identical in structure to the second curved steel plate.
In a further embodiment, the upper supporting plate is a concrete integrally-formed pavement.
The utility model has the advantages as follows:
(1) The shock insulation component, the lower supporting seat and the upper cover beam are provided with the cambered surface structure, and when the horizontal displacement generated by the vibration of the bridge is small, the shock insulation component can slide along the cambered surface to perform horizontal movement; when the horizontal displacement generated by the vibration of the bridge is large, the shock insulation component slides along the cambered surface to perform horizontal motion, and generates shear deformation per se, and the shock insulation self-resetting of the bridge structure can be realized through the reciprocating shear deformation of the shock insulation component. The bridge has good multistage damping capacity and limiting capacity, prevents the bridge from falling to the beam and being damaged, can promote the self-resetting of the bridge in the earthquake, provides energy consumption capacity, reduces the damage of the bridge pier to the greatest extent and improves the restorability of the bridge.
(2) The upper bent cap and the upper supporting plate are integrally manufactured, and the integrated lower supporting seat and the integrated shock insulation members are combined, so that the pier is fast and convenient to assemble, manufacture and install.
(3) Set up a plurality of shock insulation members, cooperation wavy installation position for each shock insulation member is restricted on corresponding motion path, and the atress is clear and definite, with vibration share to a plurality of shock insulation members on, further improved the stability of pier.
Drawings
Fig. 1 is a three-dimensional structure view of an assembled self-resetting shock-absorbing pier provided by an embodiment of the present invention;
fig. 2 is an exploded view of fig. 1 provided by an embodiment of the present invention;
FIG. 3 is a perspective view of a seismic isolation structure according to an embodiment of the present invention;
fig. 4 is a schematic view of a seismic isolation member according to an embodiment of the present invention undergoing shear deformation;
wherein: an upper support plate 1; the upper cover beam 2, the top beam 21 and the first arc-shaped steel plate 22; a seismic isolation component 3, a top plate 31, a lead rubber support 32 and a bottom plate 33; the lower support seat 4, the second arc-shaped steel plate 41, the lower mounting seat 42 and the pier 43.
Detailed Description
The following embodiments of the present invention will be described in detail with reference to the accompanying drawings, which are given for illustrative purposes only and are not to be construed as limiting the invention, including the drawings, which are only used for reference and illustration, and do not constitute a limitation to the scope of the invention, since many changes may be made thereto without departing from the spirit and scope of the invention.
The embodiment of the utility model provides an assembled self-resetting shock attenuation pier, as shown in fig. 1-4, in this embodiment, including upper support plate 1, lower support seat 4, and install in upper bent cap 2 and a plurality of shock insulation component 3 between upper support plate 1, lower support seat 4; the upper bent cap 2 is fixed on the bottom surface of the upper supporting plate 1 and is abutted against the shock insulation member 3; the lower supporting seat 4 is used for bearing the shock insulation members 3, and a plurality of shock insulation members 3 are arranged on the lower supporting seat 4 at equal intervals; the top surface and the bottom surface of the shock insulation component 3 are both arc-shaped structures and are in sliding connection with the upper cover beam 2 and the lower supporting seat 4.
In the present embodiment, the maximum height of the seismic isolation member 3 is greater than the sum of the depth of the arc surface of the upper deck 2 and the depth of the arc surface of the lower support base 4. The number of the seismic isolation members 3 can be selected according to the bearing or width of the bridge, and the embodiment is not limited.
In this embodiment, the seismic isolation member 3 includes a top plate 31, a lead rubber support 32, and a bottom plate 33 connected in sequence; the top plate 31 is an arc-shaped plate surface arched upwards, the bottom plate 33 is an arc-shaped plate surface sunken downwards, the lead core rubber support 32 is laminated rubber, and the top surface and the bottom surface of the lead core rubber support are respectively attached to arc surfaces of the top plate 31 and the bottom plate 33.
In this embodiment, the laminated rubber includes a plurality of rubber interlayers and at least one steel plate interlayer; the top plate 31 and the bottom plate 33 are both made of teflon plates.
In this embodiment, the upper part of the upper cover beam 2 is a top beam 21, and the lower part is a first arc-shaped steel plate 22; the top surface of the top beam 21 is a flat plate surface, and the bottom surface is a wavy dome-shaped surface; the first arc-shaped steel plate 22 is a wave-shaped steel plate attached to the bottom surface of the top beam 21.
In this embodiment, the lower support seat 4 includes a second arc-shaped steel plate 41, a lower mounting seat 42 and a pier 43 from top to bottom; the top surface of the lower mounting seat 42 is a wave-shaped groove which is sunken downwards, the middle part of the bottom surface is horizontally connected with the pier 43, and two sides of the bottom surface are inclined upwards;
the second arc-shaped steel plate 41 is a wave-shaped steel plate attached to the top surface of the lower mounting seat 42.
In this embodiment, the first arc-shaped steel plate 22 and the second arc-shaped steel plate 41 have the same structure and are both integrally formed smooth steel plates. The pier 43 is an integrated structure formed by pouring concrete.
Specifically, referring to fig. 2, taking 4 seismic isolation members 3 as an example, the first arc-shaped steel plate 22 is a wave-shaped steel plate formed by 4 continuous arc surfaces. The first arc-shaped steel plate 22 and the second arc-shaped steel plate 41 are vertically symmetrical.
In this embodiment, the curvature of the top surface of the lower support seat 4 is the same as the curvature of the bottom surface of the seismic isolation member 3, and the curvature of the bottom surface of the upper cover beam 2 is the same as the curvature of the top surface of the seismic isolation member 3; the top plate 31 and the bottom plate 33 have the same curvature.
In this embodiment, the upper supporting plate 1 is a concrete integrally molded pavement.
Taking the arrangement of 4 shock isolation members 3 as an example, the working principle of the assembled self-resetting shock-absorbing pier provided by the embodiment is as follows:
when the horizontal displacement that produces at bridge vibrations is less for shock insulation component 3 can slide along the cambered surface and carry out horizontal motion, can release the vibrations of bridge in the slip process, because the structural feature of cambered surface, after vibrations weaken, shock insulation component 3 will automatic re-setting, realizes bridge structure shock insulation along cambered surface structure promptly and from restoring to the throne.
And when the horizontal displacement that the bridge vibrations produced is great for shock insulation component 3 is when sliding along the cambered surface and carrying out horizontal motion, self produces shear deformation, and through shock insulation component 3's reciprocal shear deformation, and like this, after vibrations weaken, because the structural characteristic of cambered surface and the characteristic of rubber, shock insulation component 3 will automatic re-setting and reconversion.
The utility model has the advantages as follows:
(1) The shock insulation component 3 with the cambered surface structure, the lower support seat 4 and the upper cover beam 2 are arranged, so that the shock insulation component 3 can slide along the cambered surface to perform horizontal movement when the horizontal displacement generated by the vibration of the bridge is small; when the horizontal displacement generated by the vibration of the bridge is large, the shock insulation member 3 slides along the arc surface to perform horizontal motion, and generates shear deformation per se, and the shock insulation self-resetting of the bridge structure can be realized through the reciprocating shear deformation of the shock insulation member 3. The bridge has good multistage damping capacity and limiting capacity, prevents the bridge from falling to the beam and being damaged, can promote the self-resetting of the bridge in the earthquake, provides energy consumption capacity, reduces the damage of the bridge piers 43 to the greatest extent and improves the restorability of the bridge.
(2) The upper bent cap 2 and the upper supporting plate 1 are integrally manufactured, and the integrated lower supporting seat 4 and the plurality of shock insulation members 3 are combined, so that the assembly, the manufacture and the installation of the pier 43 are rapid and convenient.
(3) Set up a plurality of shock insulation members 3, the installation position of cooperation wave for each shock insulation member 3 is restricted on corresponding motion path, and the atress is clear and definite, with vibration sharing to a plurality of shock insulation members 3 on, further improved pier 43's stability.
The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.
Claims (8)
1. The utility model provides an assembled from restoring to throne shock attenuation pier which characterized in that: the shock insulation structure comprises an upper supporting plate, a lower supporting seat, an upper cover beam and a plurality of shock insulation members, wherein the upper cover beam and the plurality of shock insulation members are arranged between the upper supporting plate and the lower supporting seat; the upper bent cap is fixed on the bottom surface of the upper supporting plate and is abutted against the shock insulation member; the lower support base is used for bearing the shock insulation members, and a plurality of shock insulation members are arranged on the lower support base at equal intervals; the top surface and the bottom surface of the shock insulation component are both arc-shaped structures and are in sliding connection with the upper cover beam and the lower supporting seat.
2. The fabricated self-resetting shock-absorbing pier of claim 1, wherein: the shock insulation component comprises a top plate, a lead core rubber support and a bottom plate which are sequentially connected; the top plate is an arc-shaped plate surface arched upwards, the bottom plate is an arc-shaped plate surface sunken downwards, the lead core rubber support is laminated rubber, and the top surface and the bottom surface of the lead core rubber support are respectively attached to arc surfaces of the top plate and the bottom plate.
3. An assembled self-resetting shock-absorbing pier as claimed in claim 2, wherein: the upper part of the upper cover beam is a top beam, and the lower part of the upper cover beam is a first arc-shaped steel plate; the top surface of the top beam is a flat plate surface, and the bottom surface of the top beam is a wavy dome-shaped surface; the first arc-shaped steel plate is a wavy steel plate attached to the bottom surface of the top beam.
4. The fabricated self-resetting shock-absorbing pier of claim 3, wherein: the lower support seat comprises a second arc-shaped steel plate, a lower mounting seat and a pier from top to bottom; the top surface of the lower mounting seat is a downward-sunken wavy groove, the middle part of the bottom surface is horizontally connected with the bridge pier, and two sides of the bottom surface are inclined upwards;
the second arc-shaped steel plate is a wave-shaped steel plate attached to the top surface of the lower mounting seat.
5. An assembled self-resetting shock-absorbing pier as claimed in claim 4, wherein: the radian of the top surface of the lower supporting seat is the same as the curvature of the bottom surface of the shock insulation member, and the radian of the bottom surface of the upper cover beam is the same as the curvature of the top surface of the shock insulation member; the top plate and the bottom plate have the same curvature.
6. The fabricated self-resetting shock-absorbing pier of claim 5, wherein: the laminated rubber comprises a plurality of rubber interlayers and at least one steel plate interlayer; the top plate and the bottom plate are both polytetrafluoroethylene plates.
7. The fabricated self-resetting shock-absorbing pier of claim 6, wherein: the first arc-shaped steel plate and the second arc-shaped steel plate are identical in structure.
8. The fabricated self-resetting shock-absorbing pier of claim 7, wherein: go up the backup pad and be concrete integrated into one piece road surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221972380.1U CN218090491U (en) | 2022-07-28 | 2022-07-28 | Assembled self-resetting shock-absorbing pier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221972380.1U CN218090491U (en) | 2022-07-28 | 2022-07-28 | Assembled self-resetting shock-absorbing pier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218090491U true CN218090491U (en) | 2022-12-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221972380.1U Active CN218090491U (en) | 2022-07-28 | 2022-07-28 | Assembled self-resetting shock-absorbing pier |
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| Country | Link |
|---|---|
| CN (1) | CN218090491U (en) |
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2022
- 2022-07-28 CN CN202221972380.1U patent/CN218090491U/en active Active
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