CN-224213127-U - Cable tower suitable for old arch bridge with damaged structure removed by cable buckle hanging method

CN224213127UCN 224213127 UCN224213127 UCN 224213127UCN-224213127-U

Abstract

The utility model discloses a cable tower for an old arch bridge, which is suitable for removing structural damage by a cable-stayed buckling method, and belongs to the field of cable towers; through the cooperation between the devices, the utility model has simple structure and convenient operation, adopts the base, the standard joint and the buckling and hanging joint mechanism, increases transverse connection at corresponding heights, utilizes the form of flange connection between the sections, can quickly assemble and disassemble the cable while meeting the requirement of the bearing capacity performance of the cable in the cable-stayed buckling and hanging system so as to shorten the dismantling period of the whole bridge, and prefabricates the base, the standard joint, the buckling and hanging joint mechanism, the cross beam and the transverse connection in a steel structure processing factory, so that the processing precision and the quality of the steel structure are higher than those of the steel structure in field processing.

Inventors

Gan Shukuan
YU JINBEI
GUO YUJIA
PANG WENTAO
WANG CHAO
MENG JUNNAN
YU GUOYU

Assignees

中交路桥建设有限公司
中交城市建设(四川)有限公司

Dates

Publication Date: 20260508
Application Date: 20250519

Claims (7)

1. The cable tower for the old arch bridge suitable for the cable-stayed buckling and hanging method dismantling structure damage comprises tower mechanisms and is characterized in that the two tower mechanisms are arranged in two groups, the two tower mechanisms are fixedly connected through a transverse connection (1), each tower mechanism comprises a standard joint (2), a cross beam (3) is fixedly connected to the surface of each standard joint (2), an anchor beam (4) is fixedly connected to the surface of each cross beam (3), a buckling and hanging joint mechanism is fixedly connected to the surface of each anchor beam (4), each buckling and hanging joint mechanism comprises a flat-connected structure (5), the bottoms of the flat-connected structures (5) are fixedly connected to the surfaces of the anchor beams (4), buckling tower column sections (17) are fixedly connected to the two ends of each flat-connected structure (5), inclined struts (18) are fixedly connected to the middle parts of the buckling tower column sections (17), and short-section steel pipes (20) are fixedly connected to the surfaces of the transverse connection structures (1).
2. The cable tower for the old arch bridge, which is suitable for removing structural damage by a cable stayed buckling and hanging method, according to claim 1, is characterized in that a cable-hung spandrel girder (6) is fixedly connected to the top of the tower mechanism, and the cable-hung spandrel girders (6) are arranged in two groups side by side.
3. The cable tower for the old arch bridge, which is suitable for removing structural damage by a cable stayed buckling and hanging method, is characterized in that a base (7) is fixedly arranged at the bottom of the standard section (2), and a bottom plate (8) is fixedly connected to the bottom of the base (7).
4. The cable tower for old arch bridges, which is suitable for removing structural damage by a cable-stayed buckling and hanging method, according to claim 3, is characterized in that anchor rods (9) are welded on two sides of the upper surface of the bottom plate (8), and a top plate (10) is welded on the outer surface of the anchor rods (9).
5. The cable tower for the old arch bridge, which is suitable for removing structural damage by a cable stayed buckling method, according to claim 4, is characterized in that an A nut (11) is connected to the outer surface of the anchor rod (9) in a threaded manner, the A nuts (11) are stacked into two groups, seamless steel pipes (12) are welded on two sides of the bottom of the top plate (10), and the seamless steel pipes (12) are coaxial with the anchor rod (9).
6. The cable tower for the old arch bridge, which is suitable for removing structural damage by a cable stayed buckling method, according to claim 3, is characterized in that an A stiffening rib (13) is fixedly connected to the upper surface of the bottom plate (8), a B stiffening rib (14) is fixedly connected to the side surface of the A stiffening rib (13), and a stand column steel pipe (19) is fixedly connected to the middle part of the bottom plate (8).
7. The cable tower for the old arch bridge, which is suitable for removing structural damage by a cable stayed buckling method, according to claim 4, is characterized in that a locating plate (15) is welded at the bottom of the outer surface of the anchor rod (9), and a B nut (16) is connected with the surface of the anchor rod (9) in a threaded manner.

Description

Cable tower suitable for old arch bridge with damaged structure removed by cable buckle hanging method Technical Field The utility model relates to the technical field of cable towers, in particular to a cable tower for an old arch bridge, which is suitable for removing structural damage by a cable-stayed buckling and hanging method. Background In order to prolong the service life of the old arch bridge or improve the bearing capacity of the old arch bridge, a hybrid structural design may be adopted to combine the characteristics of the arch bridge and the suspension bridge or the cable-stayed bridge, and then cable towers are arranged, which are usually used for fixing high-strength steel cables, and the steel cables can provide additional supporting force to help disperse loads and relieve the pressure at arch feet so as to protect and strengthen the original arch bridge structure. At present, some old bridges are evaluated as dangerous bridges because of structural damage caused by the defect of current design or the fall of construction process, along with overlong operation period, the most direct method is to dismantle and rebuild, and for dismantling a main arch ring of an upper-bearing arch bridge, a cable-stayed buckling and hanging method can be adopted to carry out section-by-section cantilever dismantling, and the cable-stayed buckling and hanging system consists of a buckling and hanging system, an anchoring system and a cable, wherein the buckling and hanging system is often a temporary cable tower of a steel structure, so the cable tower needs to have certain strength and rigidity performance, and is also particularly important for rapidly and safely dismantling the old arch bridge, and the installation and dismantling period control of the cable tower. Therefore, the utility model provides a cable tower for an old arch bridge, which is suitable for removing structural damage by a cable-stayed buckling method, so as to solve the problems. Disclosure of utility model (One) solving the technical problems The utility model provides a cable tower for an old arch bridge, which is suitable for removing structural damage by a cable-stayed buckling method, and aims to solve the problems in the background technology. (II) technical scheme The cable tower for the old arch bridge, which is suitable for removing structural damage by a cable stayed buckling and hanging method, comprises two groups of tower mechanisms, wherein the two tower mechanisms are fixedly connected by transverse connection, each tower mechanism comprises a standard section, the surface of each standard section is fixedly connected with a cross beam, the surface of each cross beam is fixedly connected with an anchor beam, the surface of each anchor beam is fixedly connected with a buckling and hanging section mechanism, each buckling and hanging section mechanism comprises a flat connection, the bottom of the flat connection is fixedly connected with the surface of each anchor beam, both ends of the flat connection are fixedly connected with buckling tower column sections, the middle part of each buckling tower column section is fixedly connected with a diagonal bracing, and the surface of each transverse connection is fixedly connected with a short section steel pipe. As a preferable technical scheme of the application, the top of the tower mechanism is fixedly connected with cable crane spandrel girders, and the cable crane spandrel girders are arranged in two groups side by side. As a preferable technical scheme of the application, the bottom of the standard section is fixedly provided with a base, and the bottom of the base is fixedly connected with a bottom plate. As a preferable technical scheme of the application, anchor rods are welded on two sides of the upper surface of the bottom plate, and a top plate is welded on the outer surface of the anchor rods. As a preferable technical scheme of the application, the outer surface of the anchor rod is connected with the A nuts in a threaded manner, the A nuts are stacked into two groups, seamless steel pipes are welded on two sides of the bottom of the top plate, and the seamless steel pipes are coaxial with the anchor rod. As an optimal technical scheme of the application, an A stiffening rib is fixedly connected to the upper surface of the bottom plate, a B stiffening rib is fixedly connected to the side surface of the A stiffening rib, and a stand column steel pipe is fixedly connected to the middle of the bottom plate. As an optimal technical scheme of the application, a positioning plate is welded at the bottom of the outer surface of the anchor rod, and a B nut is connected with the surface of the anchor rod in a threaded manner. (III) beneficial effects The utility model has simple structure and convenient operation, adopts the base, the standard joint and the buckling and hanging joint mechanism, increases the transverse connection at the corresponding height, adopts the f