CN-224199801-U - Steel construction bridge consolidates strutting arrangement

CN224199801UCN 224199801 UCN224199801 UCN 224199801UCN-224199801-U

Abstract

The utility model relates to the technical field of steel bridge reinforcement and support, in particular to a steel structure bridge reinforcement and support device, which comprises a vertical steel pipe column supported at the bottom of a steel structure bridge, wherein the upper parts of two sides of the vertical steel pipe column are provided with near-end reinforcement structures, the tops of two sides of the near-end reinforcement structures are respectively fixedly connected with the outer side walls of two sides of the steel structure bridge, the left side and the right side of each near-end reinforcement structure are respectively provided with a far-end reinforcement structure, the tops of the two far-end reinforcement structures are respectively bolted and fixed on the steel structure bridge, the lower ends of the two far-end reinforcement structures are respectively fixedly connected with the vertical steel pipe column, and a concrete column support unit formed by casting is built in a central cavity of the vertical steel pipe column. According to the utility model, the vertical steel pipe column and the concrete column in the central cavity form a composite supporting structure, and the rigidity of the steel pipe and the compressive strength of the concrete are utilized to disperse loads, so that the supporting performance in the vertical direction and the bearing capacity of the member are improved.

Inventors

ZHANG QUAN
Jia Qiuliang
KONG MING
WANG JINSONG

Assignees

曲阜华亿重工有限公司

Dates

Publication Date: 20260505
Application Date: 20250530

Claims (10)

1. The steel structure bridge reinforcing and supporting device is characterized by comprising a vertical steel pipe column which is supported and arranged at the bottom of the steel structure bridge, wherein the upper parts of two sides of the vertical steel pipe column are provided with near-end reinforcing structures, the tops of two sides of the near-end reinforcing structures are respectively fixedly connected with the outer side walls of two sides of the steel structure bridge, the left side and the right side of the near-end reinforcing structures are respectively provided with far-end reinforcing structures, the tops of the far-end reinforcing structures are fixedly connected with the steel structure bridge in a bolting way, the lower ends of the far-end reinforcing structures are fixedly connected with the vertical steel pipe column, the bottom of the vertical steel pipe column extends to the lower part of the ground and is fixedly embedded, a concrete column supporting unit which is formed by casting is built in a central cavity of the vertical steel pipe column, and the tops of the concrete column supporting unit are fixedly connected with the steel structure bridge through a plurality of expansion bolts.
2. The steel structure bridge reinforcing and supporting device of claim 1, wherein the near-end reinforcing structure comprises a constraint cylinder fixedly sleeved on the outer side wall of the upper portion of the vertical steel pipe column, the constraint cylinder is fixedly connected with the vertical steel pipe column through a plurality of main bolt pieces, near-end U-shaped connecting clamping seats are integrally formed on two sides of the upper portion of the constraint cylinder through near-end connecting plates respectively, the near-end U-shaped connecting clamping seats are clamped on two sides of the outer side wall of the steel structure bridge, and U-shaped cavities of the near-end U-shaped connecting clamping seats are sleeved on two sides of the outer side wall of the steel structure bridge and are bolted and fixed through side connecting bolt pieces at corresponding positions.
3. The steel structure bridge reinforcing and supporting device of claim 2, wherein the distal end reinforcing structure comprises distal end U-shaped connecting clamping seats which are arranged at the outer sides of the corresponding proximal end U-shaped connecting clamping seats at intervals, the distal end U-shaped connecting clamping seats are clamped on two sides of the outer side wall of the steel structure bridge, U-shaped cavities of the distal end U-shaped connecting clamping seats are sleeved on two sides of the outer side wall of the steel structure bridge and are bolted and fixed through side connecting bolt pieces at corresponding positions, a distal end connecting plate is integrally formed on one side, facing the vertical steel pipe column, of the distal end U-shaped connecting clamping seats, and the lower ends of the distal end connecting plates are vertically arranged and are relatively fixed with the vertical steel pipe column.
4. The steel structure bridge reinforcing and supporting device of claim 3, wherein a plurality of transverse connecting bolts are arranged at intervals in the middle of the vertical steel pipe column along the front-rear direction of the vertical steel pipe column, two ends of each transverse connecting bolt penetrate through the outer sides of the distal connecting plates, and the two distal connecting plates, the constraint cylinder barrel and the vertical steel pipe column are connected and fixed through locking nuts.
5. The steel structure bridge reinforcement and support device of claim 4, wherein the concrete column support unit comprises a concrete column cast and formed in a central cavity of the steel structure bridge, the lower end of the concrete column extends to the lower portion of the ground and is fixedly arranged with the embedded structure, and the top of the concrete column is fixedly bolted with the bottom of the steel structure bridge through an expansion bolt.
6. The steel structure bridge reinforcing and supporting device of claim 5, wherein a plurality of engaging teeth are integrally formed and fixed on two sides of the inner side wall of the central cavity of the vertical steel pipe column from top to bottom respectively, each engaging tooth is poured inside the concrete column, and the engaging teeth on two sides are arranged in a staggered mode.
7. The steel structure bridge reinforcing and supporting device of claim 6, wherein a plurality of anti-falling steel bar heads are lapped and placed in the central cavity of the vertical steel pipe column from top to bottom, two ends of each anti-falling steel bar head are abutted against the inner side wall of the central cavity of the vertical steel pipe column, and each anti-falling steel bar head is poured in the concrete column.
8. The steel structure bridge reinforcing and supporting device of claim 7, wherein the bottom of the concrete column is lower than the bottom of the vertical steel pipe column.
9. The steel structure bridge reinforcing and supporting device of claim 8, wherein a plurality of reinforcing rib plates are fixedly welded on the outer side wall of the vertical steel pipe column above the ground along the circumferential outer side wall of the vertical steel pipe column at intervals, and the lower parts of the reinforcing rib plates extend to the lower part of the ground and are fixedly embedded.
10. The steel structure bridge reinforcing and supporting device of claim 9, wherein a steel structure truss frame is welded and fixed on the outer side wall of the lower part of the vertical steel pipe column below the ground, and the steel structure truss frame is pre-buried and fixedly arranged.

Description

Steel construction bridge consolidates strutting arrangement Technical Field The utility model relates to the technical field of steel bridge reinforcement and support, in particular to a steel structure bridge reinforcement and support device. Background The steel structure bridge has the advantages of light dead weight, high strength, short construction period and the like, and is widely applied to the construction of modern steel structure bridges. After the steel structure bridge bears the actions of vehicle load, wind load, temperature change, environmental erosion and the like for a long time, the steel structure bridge is easy to deform, locally unstably and the like, the safety and the service life of the steel structure bridge are seriously affected, and therefore the steel structure bridge is effectively supported and reinforced. At present, the reinforcement and support technology for the steel structure bridge girder mainly has the following problems: Firstly, traditional single-point supports reinforcement mode only sets up the stand at the strong point of the corresponding bottom of girder steel, and single-point pillar position department is limited to the braced scope of girder steel, and when the load was great, the girder steel was liable to produce great deformation and even local buckling in non-braced area, and the reinforcement effect is limited. Secondly, the general reinforced supporting structure adopts the steel column of single material more, and although steel intensity is high, corrosion resistance is relatively poor, under complicated natural environment, the steel column easily takes place corrosion, leads to the structure bearing capacity to descend, needs frequent maintenance and change, has increased use cost. Based on the defects in the prior art, the utility model designs the novel steel structure bridge reinforcing and supporting device which can realize multi-point side bracing and improve structural stability and durability, and is used for better solving the problems in the prior art. Disclosure of utility model The technical scheme includes that the steel structure bridge reinforcement supporting device comprises a vertical steel pipe column supported at the bottom of the steel structure bridge, wherein near-end reinforcement structures are installed at the upper parts of two sides of the vertical steel pipe column, the tops of two sides of the near-end reinforcement structures are fixedly connected with the outer side walls of two sides of the steel structure bridge respectively, far-end reinforcement structures are installed on the left side and the right side of the near-end reinforcement structures respectively, the tops of the two far-end reinforcement structures are fixedly connected with the vertical steel pipe column in a bolting mode, the bottoms of the two far-end reinforcement structures are fixedly connected with the vertical steel pipe column, the bottoms of the vertical steel pipe column extend to the lower portion of the ground and are fixedly embedded, a concrete column supporting unit formed by casting is built in a central cavity of the vertical steel pipe column, and the tops of the vertical steel pipe column and the concrete column supporting unit are fixedly connected with the steel structure bridge through a plurality of expansion bolts. On the basis of any technical scheme, the near-end reinforcing structure is further optimized to comprise a constraint cylinder fixedly sleeved on the outer side wall of the upper portion of the vertical steel pipe column, the constraint cylinder is fixedly connected with the vertical steel pipe column through a plurality of main bolt pieces, near-end U-shaped connecting clamping seats are respectively connected to the two sides of the upper portion of the constraint cylinder through near-end connecting plates in an integrated mode, the near-end U-shaped connecting clamping seats are clamped to the two sides of the outer side wall of the steel structure bridge, and U-shaped cavities of the near-end U-shaped connecting clamping seats are sleeved on the two sides of the outer side wall of the steel structure bridge and are bolted and fixed through side connecting bolt pieces at corresponding positions. On the basis of any technical scheme, it is further optimized that the far-end reinforcing structure comprises far-end U-shaped connecting clamping seats which are arranged on the outer sides of the corresponding near-end U-shaped connecting clamping seats at intervals, the far-end U-shaped connecting clamping seats are clamped on two sides of the outer side wall of the steel structure bridge, U-shaped cavities of the far-end U-shaped connecting clamping seats are sleeved on two sides of the outer side wall of the steel structure bridge and are fixedly bolted through side connecting bolt pieces at corresponding positions, a far-end connecting plate is integrally formed on one side, facing the vertical steel pipe col