CN217810478U - Anti-overturning device based on bridge pier - Google Patents
Anti-overturning device based on bridge pier Download PDFInfo
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- CN217810478U CN217810478U CN202221675552.9U CN202221675552U CN217810478U CN 217810478 U CN217810478 U CN 217810478U CN 202221675552 U CN202221675552 U CN 202221675552U CN 217810478 U CN217810478 U CN 217810478U
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Abstract
The utility model discloses an antidumping device based on pier, including bridge floor and pier, the outside cover of pier is equipped with antidumping support piece, the bottom of pier is provided with cable wire anchor dish, antidumping support piece's top is connected through the stock with the bottom terminal surface of bridge floor, be provided with a plurality of inclined prestressed steel cables between antidumping support piece's top and the bottom, prestressed steel cable passes antidumping support piece's bottom and is connected with cable wire anchor dish parallel to pier downwardly extending; the utility model discloses can carry out balanced firm support to the bridge floor and consolidate, effectively prevent that the bridge floor from taking place to topple.
Description
Technical Field
The utility model belongs to the technical field of bridge antidumping, specifically be an antidumping device based on pier.
Background
The existing urban elevated bridge structure mainly comprises piers and a bridge floor arranged at the tops of the piers, and is used for saving the space at the lower part of the bridge floor and controlling the occupied area of the piers within a limited range. The bridge floor is supported by adopting single piers in the city, and the center of the bridge floor is supported by the single piers, so that two sides of the bridge floor extend towards two sides of the single piers to form a cantilever structure. Although the viaduct structure with a single pier has the advantage of small floor area, the stability and the anti-overturning performance of the viaduct structure with a single pier cannot be compared with those of the viaduct structure with a symmetrical double pier, and the existing viaduct structure with a single pier has the risk of overturning the bridge deck. In the prior art, a support seat is arranged on a pier, and then structures such as a jack or an anchor rod are arranged on the support seat to carry out balanced support and reinforcement on cantilever bridge floors on the left side and the right side of a single pier, but the support structure is simple, and the actual anti-overturning performance is not ideal.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an antidumping device based on pier to the pier is for relying on to carry out balanced support to the bridge floor, prevents effectively that the bridge floor from taking place to topple.
The utility model discloses a following technical scheme realizes:
the utility model provides an antidumping device based on pier, includes bridge floor and pier, the outside cover of pier is equipped with antidumping support piece, the bottom of pier is provided with cable wire anchor dish, antidumping support piece's top passes through the stock with the bottom terminal surface of bridge floor and is connected, be provided with the prestressing cable of a plurality of slopes between antidumping support piece's top and the bottom, prestressing cable passes antidumping support piece's bottom and is on a parallel with pier downwardly extending and is connected with cable wire anchor dish.
The top of the anti-overturning support piece sleeved outside the bridge pier is in contact with the left side and the right side of the bottom of the bridge floor respectively, and the top of the anti-overturning support piece is connected with the bridge floor through the anchor rod, so that the balance and the stability of the bridge floor are improved. Simultaneously, draw to one side between antidumping support piece's top and bottom and be provided with a plurality of prestressed steel cables, through prestressed steel cable's oblique pull, and then guarantee that the bridge floor is located the regional equilibrium in the pier left and right sides to prevent the bridge floor tilt and topple. The prestressed steel cable downwards penetrates through the bottom of the anti-overturning supporting piece, and is converted from the oblique-pulling direction into the vertical direction parallel to the pier to continuously extend downwards until the prestressed steel cable is in anchoring connection with the steel cable anchoring disc positioned at the bottom of the pier, so that anchoring and fixing of the prestressed steel cable are achieved.
In order to realize better the utility model discloses, it is further, antidumping support piece includes staple bolt supporting seat, antidumping supporting seat, the staple bolt supporting seat cohesion suit is in the outside of pier, the left and right sides at the top of staple bolt supporting seat corresponds the bridge floor bottom left and right sides respectively and is provided with the antidumping supporting seat, the top of antidumping supporting seat is provided with a plurality of supporting beam with bridge floor bottom end face contact, the bottom of antidumping supporting seat is provided with the connecting seat with the top block of staple bolt supporting seat, it is provided with a plurality of prestressed cables to draw to one side between supporting beam and the connecting seat, be provided with the cable mouth that supplies the prestressed cable to pass on connecting seat and the staple bolt supporting seat.
In order to realize better the utility model discloses, it is further, the last linearity of supporting beam is provided with a plurality of anchor holes that supply the stock to pass the connection, be provided with a plurality of engaging lugs that are located between two adjacent anchor holes on supporting beam's the bottom terminal surface, the one end and the engaging lug of prestressing cable are connected.
In order to realize better the utility model discloses, it is further, be provided with first elastic damping spare between the bottom surface of supporting beam's top end face and bridge floor, first elastic damping spare sets up between two adjacent anchor holes.
In order to realize better the utility model discloses, it is further, the top of staple bolt supporting seat is provided with the joint groove, connecting seat and joint groove joint are provided with second elastic damping piece between the tank bottom terminal surface in bottom terminal surface of connecting seat and joint groove.
In order to realize better the utility model discloses, it is further, the top end face of connecting seat be located one side of cable mouth and one side that the bottom terminal surface of staple bolt supporting seat is located cable mouth all rotates and is provided with guide roller, prestressing cable and guide roller's rim contact.
In order to realize better the utility model discloses, it is further, be provided with between the adjacent supporting beam and strengthen the vertical muscle.
In order to better realize the utility model discloses, it is further, the top of cable wire anchor dish is provided with the cable wire capstan, be provided with cable wire anchor card on the cable wire anchor dish, the one end downwardly extending duplex winding of prestressed cable continues downwardly extending and with cable wire anchor card anchor connection after establishing on the cable wire capstan.
Compared with the prior art, the utility model, following advantage and beneficial effect have:
the utility model uses the bridge pier as a support, the anti-overturning supporting piece with a bilateral symmetry structure is arranged outside the bridge pier, and the bottom of the cantilever bridge floor at the left side and the right side of the top of the bridge pier is connected and supported by the anti-overturning supporting piece, thereby improving the stability and the balance of the bridge floor; meanwhile, a plurality of prestressed steel cables are arranged between the top and the bottom of the anti-overturning supporting piece in a diagonal pulling mode, the cantilever bridge floors on the left side and the right side are tensioned through the tensioning force of the prestressed steel cables, the balance of the whole bridge floor is further improved, the bridge floor is effectively prevented from overturning, and the anti-overturning effect is good; in order to adjust the tension of the prestressed steel cable in real time according to the stress condition of the bridge floor, the bottom of the pier is provided with the steel cable anchoring disc, the prestressed steel cable is tensioned and adjusted through the steel cable anchoring disc, the tension of the prestressed steel cable is adjusted, meanwhile, the prestressed steel cable is effectively prevented from loosening, and the anti-overturning effect on the bridge floor is guaranteed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic structural view of an anti-overturning support;
fig. 3 is a schematic view of the installation of the wire rope anchoring disc.
Wherein: 1-bridge deck; 2-bridge pier; 3-an anti-overturning support; 4-steel cable anchoring disc; 5-anchor rod; 6-prestressed steel cables; 7-a wire rope winch; 8-steel cable anchoring clip; 100-a first elastic damping member; 200-a second elastic damping member; 31-anchor ear supporting seat; 32-an anti-overturning support seat; 33-supporting the cross beam; 34-a connection seat; 35-connecting lugs; 36-guide roller.
Detailed Description
Example 1:
the utility model provides an antidumping device based on pier, as shown in fig. 1, including bridge floor 1 and pier 2, the outside cover of pier 2 is equipped with antidumping support piece 3, the bottom of pier 2 is provided with cable wire anchor dish 4, antidumping support piece 3's top is passed through stock 5 with the bottom terminal surface of bridge floor 1 and is connected, be provided with the prestressing cable 6 of a plurality of slopes between antidumping support piece 3's top and the bottom, prestressing cable 6 passes antidumping support piece 3's bottom and is on a parallel with 2 downwardly extending of pier and is connected with cable wire anchor dish 4.
The bilateral symmetry is provided with a plurality of prestressed steel cables 6 between anti-overturning support piece 3's the top and the bottom to one side, carries out the oblique pull of bilateral symmetry through prestressed steel cables 6 to bridge floor 1, further guarantees the equilibrium and the stability of bridge floor 1. The prestressed steel cable 6 penetrates through the bottom of the anti-overturning support 3 and continues to extend downwards along the vertical direction until the prestressed steel cable 6 is in anchoring connection with the steel cable anchoring disc 4 at the bottom of the pier 2, and the prestressed steel cable 6 is kept in a tensioned state through the steel cable anchoring disc 4.
Example 2:
further optimization is done on embodiment 1's basis to this embodiment, as shown in fig. 1 and fig. 2, antidumping support piece 3 includes staple bolt supporting seat 31, antidumping supporting seat 32, staple bolt supporting seat 31 cohesion suit is in the outside of pier 2, the left and right sides at the top of staple bolt supporting seat 31 corresponds bridge floor 1 bottom left and right sides respectively and is provided with antidumping supporting seat 32, antidumping supporting seat 32's top is provided with a plurality of supporting beam 33 with 1 bottom end face contact of bridge floor, antidumping supporting seat 32's bottom is provided with the connecting seat 34 with the top block of staple bolt supporting seat 31, it is provided with a plurality of prestressing cables 6 to draw to one side between supporting beam 33 and connecting seat 34, be provided with the cable mouth that supplies prestressing cables 6 to pass on connecting seat 34 and the staple bolt supporting seat 31.
After the hoop support seat 31 is clasped on the outer side of the pier 2 and locked by the locking bolt, the anti-overturning support seat 32 can be clamped and installed at the top of the hoop support seat 31. The anti-overturning support seat 32 is of a triangular structure, the top of the anti-overturning support seat 32 is provided with a support cross beam 33 which is in contact with the bottom end face of the bridge deck 1, the bottom of the anti-overturning support seat 32 is provided with a connecting seat 34 which is clamped with the top of the hoop support seat 31, and the connecting seat 34 is connected to the top of the hoop support seat 31 through a connecting bolt in a locking mode. The supporting cross beam 33 is connected with the bridge floor 5 in an anchoring mode through the anchor rod 5, one end of the prestressed steel cable 6 is connected to the bottom end face of the supporting cross beam 33 in an anchoring mode, and the other end of the prestressed steel cable 6 is pulled in a diagonal mode and penetrates through cable openings in the connecting seat 34 and the hoop supporting seat 31 to extend downwards in parallel to the pier 2.
Further, be provided with between the adjacent supporting beam 33 and strengthen the muscle of indulging, strengthen the muscle through setting up and can promote the support intensity of whole anti-overturning supporting seat 32 to the bridge floor.
Other parts of this embodiment are the same as those of embodiment 1, and thus are not described again.
Example 3:
the present embodiment is further optimized based on the above embodiment 1 or 2, as shown in fig. 2, a plurality of anchoring holes for the anchor rods 5 to pass through are linearly arranged on the supporting beam 33, a plurality of connecting lugs 35 located between two adjacent anchoring holes are arranged on the bottom end surface of the supporting beam 33, and one end of the prestressed steel cable 6 is connected to the connecting lugs 35.
The top of stock 5 extends to the inside of bridge floor 1 concrete, and the anchor hole on the supporting beam 33 is passed to the bottom of stock 5 to be connected through the anchor of anchor ring and supporting beam 33, and then realize supporting beam 33 and bridge floor 1's anchor and be connected.
Meanwhile, a connecting lug 35 is arranged between two adjacent anchoring holes on the bottom end face of the supporting cross beam 33 through a connecting bolt, and one end of the prestressed steel cable 6 is connected with a clamping hole in the connecting lug 35.
Further, a first elastic damping part 100 is arranged between the top end face of the supporting beam 33 and the bottom face of the bridge deck 1, the first elastic damping part 100 is arranged between two adjacent anchoring holes, and relative movement between the supporting beam 33 and the bridge deck 1 is buffered through damping deformation of the first elastic damping part 100.
The rest of this embodiment is the same as embodiment 1 or 2, and therefore, the description thereof is omitted.
Example 4:
the present embodiment is further optimized on the basis of any one of the above embodiments 1 to 3, as shown in fig. 2, a clamping groove is formed at the top of the hoop supporting seat 31, the connecting seat 34 is clamped with the clamping groove, and a second elastic damping member 200 is arranged between the bottom end surface of the connecting seat 34 and the bottom end surface of the clamping groove.
The relative play between the connecting seat 34 and the hoop supporting seat 31 is buffered by the damping deformation of the second elastic damping member 200.
Other parts of this embodiment are the same as any of embodiments 1 to 3, and thus are not described again.
Example 5:
this embodiment is further optimized based on any one of the above embodiments 1 to 4, as shown in fig. 2, the guide rollers 36 are rotatably disposed on both the top end surface of the connecting seat 34 on the side of the cable opening and the bottom end surface of the hoop supporting seat 31 on the side of the cable opening, and the prestressed steel cable 6 contacts with the rims of the guide rollers 36.
The rim of the guide roller 36 supports and guides the prestressed steel cable 6, so that the prestressed steel cable 6 gradually transits to a vertical state from a diagonal pulling state, and meanwhile, friction between the prestressed steel cable 6 and the hoop supporting seat 31 and between the prestressed steel cable 6 and the connecting seat 34 can also be reduced.
Other parts of this embodiment are the same as any of embodiments 1 to 4, and thus are not described again.
Example 6:
this embodiment is further optimized on the basis of any one of the above embodiments 1 to 5, as shown in fig. 3, a cable winch 7 is disposed on the top of the cable anchoring disc 4, a cable anchoring clip 8 is disposed on the cable anchoring disc 4, and one end of the prestressed cable 6 extends downward and is wound on the cable winch 7, and then continues to extend downward and is anchored to the cable anchoring clip 8.
By rotating the steel cable winch 7, the tensioning degree of the prestressed steel cable 6 can be controlled, and the diagonal tension of the prestressed steel cable 6 on the bridge deck 1 is controlled. Meanwhile, the free end of the prestressed steel cable 6 is anchored and locked through the steel cable anchoring clamp 8, so that the prestressed steel cable 6 is prevented from loosening.
Other parts of this embodiment are the same as any of embodiments 1 to 5, and thus are not described again.
The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention in any form, and all the technical matters of the present invention are all within the protection scope of the present invention for any simple modification and equivalent change of the above embodiments.
Claims (8)
1. The utility model provides an antidumping device based on pier, includes bridge floor (1) and pier (2), its characterized in that, the outside cover of pier (2) is equipped with antidumping support piece (3), the bottom of pier (2) is provided with cable wire anchor dish (4), the top of antidumping support piece (3) is passed through stock (5) with the bottom terminal surface of bridge floor (1) and is connected, be provided with prestressed cable (6) of a plurality of slopes between the top of antidumping support piece (3) and the bottom, prestressed cable (6) pass the bottom of antidumping support piece (3) and are on a parallel with pier (2) downwardly extending and are connected with cable wire anchor dish (4).
2. The pier-based anti-overturning device according to claim 1, wherein the anti-overturning support member (3) comprises a hoop support seat (31) and an anti-overturning support seat (32), the hoop support seat (31) is sleeved outside the pier (2) in a clasping manner, the left side and the right side of the top of the hoop support seat (31) are respectively provided with the anti-overturning support seat (32) corresponding to the left side and the right side of the bottom of the bridge deck (1), the top of the anti-overturning support seat (32) is provided with a plurality of support beams (33) in end surface contact with the bottom of the bridge deck (1), the bottom of the anti-overturning support seat (32) is provided with a connection seat (34) clamped with the top of the hoop support seat (31), a plurality of prestressed steel cables (6) are obliquely arranged between the support beams (33) and the connection seat (34), and cable openings for the prestressed steel cables (6) to pass through are formed in the connection seat (34) and the hoop support seat (31).
3. The pier-based anti-overturning device according to claim 2, wherein a plurality of anchoring holes for the anchor rods (5) to pass through are linearly arranged on the supporting beam (33), a plurality of connecting lugs (35) are arranged on the bottom end surface of the supporting beam (33) and located between two adjacent anchoring holes, and one end of the prestressed steel cable (6) is connected with the connecting lugs (35).
4. A pier-based anti-overturning device according to claim 3, wherein a first elastic damping member (100) is arranged between the top end surface of the supporting beam (33) and the bottom surface of the bridge deck (1), and the first elastic damping member (100) is arranged between two adjacent anchoring holes.
5. The pier-based anti-overturning device according to claim 2, wherein a clamping groove is formed in the top of the hoop support seat (31), the connection seat (34) is clamped with the clamping groove, and a second elastic damping member (200) is arranged between the bottom end face of the connection seat (34) and the bottom end face of the clamping groove.
6. The pier-based anti-overturning device according to claim 5, wherein the top end surface of the connecting seat (34) is located at one side of the cable port, and the bottom end surface of the hoop supporting seat (31) is located at one side of the cable port, and a guide roller (36) is rotatably arranged, and the prestressed steel cable (6) is in contact with a rim of the guide roller (36).
7. A pier-based anti-overturning device according to any one of claims 2-6, characterized in that a reinforcing longitudinal rib is arranged between adjacent supporting beams (33).
8. An anti-overturning device for a pier based on any one of claims 1-6, wherein a cable winch (7) is arranged on the top of the cable anchoring disc (4), a cable anchoring clip (8) is arranged on the cable anchoring disc (4), and one end of the prestressed cable (6) extends downwards and is wound on the cable winch (7) to continue to extend downwards and is in anchoring connection with the cable anchoring clip (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221675552.9U CN217810478U (en) | 2022-07-01 | 2022-07-01 | Anti-overturning device based on bridge pier |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221675552.9U CN217810478U (en) | 2022-07-01 | 2022-07-01 | Anti-overturning device based on bridge pier |
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| CN217810478U true CN217810478U (en) | 2022-11-15 |
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| CN202221675552.9U Active CN217810478U (en) | 2022-07-01 | 2022-07-01 | Anti-overturning device based on bridge pier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102559231B1 (en) * | 2022-12-06 | 2023-07-24 | 김정혁 | Earthquake-resistant structure for DP small bridge |
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2022
- 2022-07-01 CN CN202221675552.9U patent/CN217810478U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102559231B1 (en) * | 2022-12-06 | 2023-07-24 | 김정혁 | Earthquake-resistant structure for DP small bridge |
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