Reinforcing and supporting device of steel structure bridge

Abstract

The utility model particularly relates to a steel structure bridge reinforcing and supporting device which comprises a steel structure bridge, a plurality of piers distributed at equal intervals are connected to the bottom of the bridge, an upper supporting platform is connected to the outer portion of each pier, a reinforcing device is arranged between every two adjacent upper supporting platforms, and each reinforcing device comprises a first connecting base. The first connecting bases are arranged at the opposite positions of the two upper supporting platforms respectively, the first connecting bases are connected with buckling supporting pieces which are arranged in an inclined mode, the other ends of the two buckling supporting pieces are connected to the second connecting bases, the second connecting bases are fixedly connected to the bottom of the bridge, and I-shaped steel is further connected between the two bridge piers. And the bridge piers are connected, so that the bridge plates are supported by the bridge piers more stably.

Description

Technical Field

[0001] The utility model relates to the field of steel structure bridges, in particular to a reinforcement support device for steel structure bridges. Background Art

[0002] A steel structure bridge is a bridge whose main load-bearing structure is made of steel. Piers are installed at the bottom of the bridge. In order to increase the stability of the bridge, the bridge is reinforced. The comparative document CN119083298B discloses a reinforced steel structure bridge, but it only adds a connecting structure between the bottom surface of the bridge and the piers, thereby increasing the anti-overturning force of a single pier, while adjacent piers are not reinforced. Summary of the invention

[0003] The utility model provides a reinforcement support device for a steel structure bridge.

[0004] The technical solution of the utility model is achieved as follows: a reinforcement support device for a steel structure bridge, including a steel structure bridge, a plurality of piers distributed at equal intervals are connected to the bottom of the bridge, an upper support platform is connected to the outside of each pier, a reinforcement device is arranged between two adjacent upper support platforms, the reinforcement device includes a connecting seat 1, the connecting seat 1 is respectively arranged at relative positions on the two upper support platforms, an inclined buckling support is connected to the connecting seat 1, the other ends of the two buckling support members are connected to the connecting seat 2, the connecting seat 2 is fixedly connected to the bottom of the bridge, the buckling support includes an outer shell, a steel plate is arranged in the outer shell, the steel plate is a plate-like structure with a narrow middle part and a wide two ends, end plates are connected to the two ends of the outer shell, the two ends of the steel plate are respectively passed through the end plates, the two ends of the steel plate are respectively hinged to the connecting seat 1 and the connecting seat 2, the outer shell is filled with concrete, a plurality of convex block groups are arranged in the middle of the steel plate, each convex block group has four convex blocks, and the convex blocks are circumferentially distributed on the four sides of the steel plate.

[0005] The outside of the pier is connected to a lower supporting platform, which is located below the upper supporting platform. An I-beam is connected between two adjacent piers, and the tops of both ends of the I-beam are connected to the two adjacent upper supporting platforms, while the bottoms of both ends of the I-beam are connected to the two adjacent lower supporting platforms.

[0006] An auxiliary bridge pier is connected to the middle position of the bottom of the I-beam.

[0007] Rivets are fixedly connected around the lower part of the auxiliary pier and the concrete position.

[0008] Both ends of the I-beam are connected with mounting plates, and the mounting plates are connected to a connecting seat through high-strength bolts.

[0009] The connecting seat comprises a vertical plate and a horizontal plate which are perpendicular to each other, the bottom surface of the horizontal plate is fixedly connected to the top surface of the upper supporting platform, the side surface of the vertical plate is fixedly connected to the side surface of the pier, and two inclined side plates are fixedly connected between the vertical plate and the horizontal plate.

[0010] The technical solution of the utility model has the following positive effects: the utility model provides an upper support platform on the outside of the pier, a connecting seat 1 is provided at the bottom of the bridge, and two flexure supports are installed between two adjacent upper support platforms and the connecting seat 1, thereby providing fixed support between the bridge and the pier; the flexure support also increases the seismic performance of the bridge; an I-beam is also connected between the two piers to connect the piers so that the piers can support the bridge deck more stably; multiple reinforcements are provided to improve the overall stability of the bridge; an auxiliary pier is connected to the bottom of the I-beam to provide strong support for the I-beam, and rivets are provided around the auxiliary pier to resist pull-out. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is the structural front view of the utility model.

[0012] Figure 2 Schematic diagram of the structure of the buckling support.

[0013] Figure 3 Left side view of the buckling brace.

[0014] Figure 4 It is a side view of the second connecting seat.

[0015] Figure 5 It is a side view of the connecting seat 1.

[0016] Figure 6 This is a top view of the connection between the pier and the upper supporting platform.

[0017] Figure numerals: 1. bridge; 2. bridge pier; 3. upper supporting platform; 4. connecting seat one; 5. buckling support member; 6. connecting seat two; 8. outer shell; 9. steel plate; 10. end plate; 11. non-bonding material; 12. lower supporting platform; 13. I-beam; 14. rivet; 15. bump; 16. mounting plate; 17. auxiliary bridge pier; 18. vertical plate; 19. horizontal plate; 20 side plate. DETAILED DESCRIPTION

[0018] like Figure 1-6As shown, a reinforcement support device for a steel structure bridge comprises a steel structure bridge 1, wherein the bottom of the bridge 1 is connected to a plurality of equally spaced piers 2, the outside of each pier 2 is connected to an upper support platform 3, a reinforcement device is arranged between two adjacent upper support platforms 3, the reinforcement device comprises a connecting seat 1 4, the connecting seat 1 4 is arranged at opposite positions on the two upper support platforms 3, an inclined buckling support member 5 is connected to the connecting seat 1 4, the other ends of the two buckling support members are connected to the connecting seat 2 6, and the longitudinal section of the connecting seat 2 6 is a door The U-shaped structure, the connecting seat 2 6 is fixedly connected to the bottom of the bridge 1, the flexure support 5 includes an outer shell 8, a steel plate 9 is arranged in the outer shell 8, the steel plate 9 is a plate-like structure with a narrow middle part and wide two ends, the two ends of the outer shell 8 are connected with end plates 10, the two ends of the steel plate 9 are respectively passed through the end plates 10, and the two ends of the steel plate 9 are respectively hinged to the connecting seat 1 4 and the connecting seat 2 6, the outer shell 8 is filled with a non-adhesive material 11, and a plurality of protrusion groups are arranged in the middle of the steel plate 9; each protrusion group has four protrusions 15, and the protrusions 15 are circumferentially distributed on the four sides of the steel plate 9.

[0019] Specifically, a buckling support 5 is provided on the upper supporting platform 3, and the steel plates 9 at both ends of the buckling support 5 are respectively fixed to the bottom of the bridge 1 and the side of the pier 2, so as to provide fixed support for the steel structure bridge and the pier. The buckling support 5 is connected to the connecting seat 1 4 and the connecting seat 2 6 by high-strength bolts. The steel plate 9 and the protrusion 15 of the buckling support provide rigidity, and yield and dissipate energy during an earthquake. The outer shell 8 plays a restraining role to prevent the steel plate core material from buckling and deforming. The non-bonded material 11 filler also plays an energy dissipation role, thereby increasing the seismic performance of the bridge. In this embodiment, the non-bonded material 11 can be concrete.

[0020] The outside of the pier 2 is connected to a lower supporting platform 12, which is located below the upper supporting platform 3. An I-beam 13 is connected between two adjacent piers 2, and the tops of both ends of the I-beam 13 are connected to the bottoms of the two adjacent upper supporting platforms 3, and the bottoms of both ends of the I-beam 13 are connected to the tops of the two adjacent lower supporting platforms 12. Specifically: the I-beam 13 connects two adjacent piers 2, and each pier is connected together so that the piers can support the bridge deck more stably.

[0021] An auxiliary bridge pier 17 is connected to the middle position of the bottom of the I-beam 13 ; specifically, the auxiliary bridge pier 17 provides support for the I-beam 13 .

[0022] Rivets 14 are fixedly connected around the lower part of the auxiliary pier 17 and the concrete position; specifically, the rivets 14 are welded to the auxiliary pier 17, and the lower part of the auxiliary pier 17 is cast in concrete, and the rivets 14 increase its pull-out resistance.

[0023] Mounting plates 16 are connected to both ends of the I-beam 13, and the mounting plates 16 are connected to the pier 2 via high-strength bolts; specifically, one side of the mounting plate 16 close to the I-beam 13 is welded to the I-beam 13, and the other side of the mounting plate 16 is connected to the pier 2 via high-strength bolts.

[0024] The connecting seat 4 includes a vertical plate 18 and a horizontal plate 19 which are perpendicular to each other. The bottom surface of the horizontal plate 19 is fixedly connected to the top surface of the upper supporting platform 3, the side surface of the vertical plate 18 is fixedly connected to the side surface of the pier 2, and two inclined side plates 20 are fixedly connected between the vertical plate 18 and the horizontal plate 19; specifically, one end of the steel plate 9 is hinged to the two side plates 20.

[0025] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the relevant field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for protection of the utility model.

Claims

1. A reinforcement support device for a steel structure bridge, comprising a steel structure bridge, the bottom of the bridge is connected to a plurality of piers distributed at equal intervals, characterized in that: The outside of each pier is connected to an upper supporting platform, and a reinforcement device is arranged between two adjacent upper supporting platforms, the reinforcement device includes a connecting seat 1, which is arranged at relative positions on the two upper supporting platforms, and a slanted buckling support is connected to the connecting seat 1, and the other ends of the two buckling supports are connected to the connecting seat 2, and the connecting seat 2 is fixedly connected to the bottom of the bridge, and the buckling support includes an outer shell, and a steel plate is arranged in the outer shell, and the steel plate is a plate-like structure with a narrow middle part and a wide two ends. The two ends of the outer shell are connected to end plates, and the two ends of the steel plate are respectively arranged through the end plates, and the two ends of the steel plate are respectively hinged to the connecting seat 1 and the connecting seat 2, and the outer shell is filled with non-bonding filling material, and a plurality of protrusion groups are arranged in the middle of the steel plate, each protrusion group has four protrusions, and the protrusions are circumferentially distributed on the four sides of the steel plate.

2. The reinforcement support device for a steel structure bridge according to claim 1, characterized in that: The outside of the pier is connected to a lower supporting platform, which is located below the upper supporting platform. An I-beam is connected between two adjacent piers, and the tops of both ends of the I-beam are respectively connected to the two adjacent upper supporting platforms, and the bottoms of both ends of the I-beam are respectively connected to the two adjacent lower supporting platforms.

3. The reinforcement support device for a steel structure bridge according to claim 2 is characterized in that: An auxiliary bridge pier is connected to the middle position of the bottom of the I-beam.

4. The reinforcement support device for a steel structure bridge according to claim 3 is characterized in that: Rivets are fixedly connected around the lower part of the auxiliary pier and the concrete position.

5. The reinforcement support device for a steel structure bridge according to claim 4, characterized in that: Both ends of the I-beam are connected with mounting plates, and the mounting plates are connected to a connecting seat through high-strength bolts.

6. The reinforcement support device for a steel structure bridge according to claim 1, characterized in that: The connecting seat 1 includes a vertical plate and a horizontal plate which are perpendicular to each other. The bottom surface of the horizontal plate is fixedly connected to the top surface of the upper supporting platform, the side surface of the vertical plate is fixedly connected to the side surface of the pier, and two inclined side plates are fixedly connected between the vertical plate and the horizontal plate.

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