CN-224213152-U - Steel box girder sliding system

CN224213152UCN 224213152 UCN224213152 UCN 224213152UCN-224213152-U

Abstract

The application relates to a steel box girder sliding system which comprises a sliding support, a longitudinal sliding block, a winch and a transverse moving driving mechanism, wherein the sliding support is provided with a slideway girder, the longitudinal sliding block is arranged on the slideway girder in a sliding mode, the winch is connected with the longitudinal sliding block through a steel wire rope, the transverse moving sliding block is arranged on the longitudinal sliding block, the transverse moving driving mechanism is connected with the transverse moving sliding block, and the transverse moving driving mechanism is configured to drive the transverse moving sliding block to move transversely. The sliding device has the advantages that the longitudinal sliding blocks are arranged on the slideway beams in a sliding way, the transverse sliding blocks are arranged on the longitudinal sliding blocks, the steel box beams placed on the transverse sliding blocks can longitudinally slide through the cooperation of the winch and the steel wire ropes, and the transverse sliding blocks are driven by the transverse sliding driving mechanism to transversely slide, so that the sliding process of the steel box beams is controllable, and the problems that a steel box beam section sliding system is low in stability, long in sliding time, low in sliding precision and the like in the sliding process in the related art are solved, and the construction efficiency and the construction quality are affected.

Inventors

XU MENGHAO
HONG LI
QIU PAN
GUO ZIDONG
LIU RUNZE
ZHANG WENBIN
LIU CUIYUN
ZHANG YANG

Assignees

中铁大桥局集团有限公司

Dates

Publication Date: 20260508
Application Date: 20250513

Claims (10)

1. A steel box girder slip system, comprising: the sliding support (1), the said sliding support (1) has slideway beam (2); the longitudinal sliding block (3) is arranged on the slideway beam (2) in a sliding way; The winch (4) is connected with the longitudinal moving sliding block (3) through a steel wire rope (5), and the longitudinal moving sliding block (3) is provided with a transverse moving sliding block (6); and the transverse moving driving mechanism is connected with the transverse moving sliding block (6) and is configured to drive the transverse moving sliding block (6) to transversely move.
2. Steel box girder sliding system according to claim 1, characterized in that the bottom of the longitudinal movement slide (3) is provided with a shackle (7), and the steel wire rope (5) passes through the shackle (7) to connect the longitudinal movement slide (3) with the hoisting machine (4).
3. Steel box girder sliding system according to claim 2, characterized in that the sliding support (1) is provided with a pair of the slideway girders (2), each slideway girder (2) is provided with one of the longitudinal sliding blocks (3) in a sliding manner, and the two longitudinal sliding blocks (3) are connected by a pull rod (8).
4. Steel box girder sliding system according to claim 2, characterized in that each longitudinal displacement slide (3) comprises a plurality of section bars (31), a plurality of section bars (31) being arranged in parallel and two adjacent section bars (31) being fixed, the bottom of a plurality of section bars (31) being provided with the shackle (7).
5. The steel box girder sliding system according to claim 4, wherein MGE plates (32) are fixedly arranged at the bottoms of the plurality of section steels (31), and the MGE plates (32) are slidably arranged on the slideway girders (2).
6. Steel box girder sliding system according to claim 1, characterized in that the traversing drive comprises a jack (9), which jack (9) is connected to the traversing slide (6) by means of finish-rolled screw bars (10).
7. Steel box girder sliding system according to claim 1, characterized in that a plurality of bogies (11) are arranged between the longitudinal movement slide (3) and the hoisting machine (4), and the steel wire rope (5) passes through the bogies (11) to connect the longitudinal movement slide (3) and the hoisting machine (4).
8. The steel box girder sliding system according to claim 1, wherein the sliding bracket (1) comprises a plurality of steel pipe piles (101), a plurality of coupling piles (102) are arranged between two adjacent steel pipe piles (101), and a plurality of steel pipe piles (101) are supported on the slideway girder (2).
9. Steel box girder sliding system according to claim 1, characterized in that a beret girder (12) is arranged between the sliding bracket (1) and the slideway girder (2), the slideway girder (2) being supported by the beret girder (12).
10. Steel box girder sliding system according to claim 1, characterized in that the sliding bracket (1) is provided with a pair of the slideway girders (2), a pair of the slideway girders (2) being connected by a connecting rod.

Description

Steel box girder sliding system Technical Field The application relates to the field of bridge engineering, in particular to a steel box girder sliding system. Background At present, the steel box girder adopts segment assembly and sliding in the construction process of the large-span bridge, and segment sliding is one of key technologies for realizing quick and efficient construction of the bridge. In the related art, the steel box girder segment sliding system needs to decompose and weld and assemble the whole segment of the steel box girder, then carries out inter-segment pushing construction to realize the movement of the steel box girder, has the problems of low stability, longer sliding time, low sliding precision and the like in the sliding process, and influences the construction efficiency and the construction quality. Therefore, there is a need to design a new steel box girder sliding system to overcome the above problems. Disclosure of utility model The application provides a steel box girder sliding system, which can solve the technical problems of low stability, longer sliding time, low sliding precision and the like in the sliding process of a steel box girder segment sliding system in the related art, and influences the construction efficiency and the construction quality. In the first aspect, the embodiment of the application provides a steel box girder sliding system, which comprises a sliding support, a longitudinal sliding block, a winch and a transverse sliding driving mechanism, wherein the sliding support is provided with a slideway girder, the longitudinal sliding block is arranged on the slideway girder in a sliding mode, the winch is connected with the longitudinal sliding block through a steel wire rope, the longitudinal sliding block is provided with the transverse sliding block, the transverse sliding driving mechanism is connected with the transverse sliding block, and the transverse sliding driving mechanism is configured to drive the transverse sliding block to transversely move. The steel box girder is transported by a ship and hoisted to the transverse sliding block after welding is completed, the winch is used for dragging the longitudinal sliding block to longitudinally slide along the slideway girder so as to realize longitudinal sliding of the steel box girder, when the steel box girder longitudinally slides to a set position, the longitudinal sliding working condition is finished, in the longitudinal sliding process of the steel box girder, the longitudinal sliding block is fixed with the transverse sliding block, after the longitudinal sliding of the steel box girder is completed, the transverse sliding working condition is started, the transverse sliding driving mechanism drives the transverse sliding block to transversely slide, so that the transverse sliding of the steel box girder is realized, when the steel box girder transversely slides to the set position, the whole sliding working condition is finished, the steel box girder sliding system has stronger strength, stability and high sliding precision, and the accurate positioning and adjustment of the steel box girder are realized, moreover, the longitudinal sliding block and the sliding block are convenient to install and detach, the transverse sliding working condition is high in efficiency, the transverse sliding working condition is stopped, and the sliding time can be shortened. In combination with the first aspect, in an implementation manner, a shackle is arranged at the bottom of the longitudinally moving sliding block, and the steel wire rope penetrates through the shackle to connect the longitudinally moving sliding block and the winch. The longitudinal sliding block is connected with the steel wire rope through the shackle, and the sliding direction of the longitudinal sliding block is conveniently adjusted according to the traction direction. In combination with the first aspect, in one implementation manner, the sliding support is provided with a pair of sliding rail beams, each sliding rail beam is slidably provided with one longitudinal moving sliding block, and the two longitudinal moving sliding blocks are connected through a pull rod. The sliding support is a foundation structure of the steel box girder sliding system, the slideway girders are used for supporting and guiding the longitudinal sliding blocks to longitudinally slide, and the two longitudinal sliding blocks are connected through the pull rods to form a whole so as to support the steel box girders to longitudinally slide on the pair of slideway girders. In combination with the first aspect, in one embodiment, each longitudinally moving slide includes a plurality of section steel, a plurality of section steel are arranged in parallel, two adjacent section steel are fixed, and the bottom of a plurality of section steel is provided with the shackle. Wherein a plurality of the section steel are fixed by a supporting frame, the tops of the