CN213740605U

CN213740605U - Variable cross section bridge pushes away construction and uses leveling bracket

Info

Publication number: CN213740605U
Application number: CN202022122164.5U
Authority: CN
Inventors: 郑四卿; 宋琦瑶
Original assignee: Wuhan Sili Construction Engineering Construction Machinery Co ltd
Current assignee: Wuhan Sili Construction Engineering Construction Machinery Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-20
Anticipated expiration: 2030-09-24

Abstract

The utility model relates to a bridge construction technical field specifically is a variable cross-section bridge pushes away leveling bracket for construction, including steel box girder and leveling bracket, the steel box girder divide into a plurality of segments, is provided with steel box girder baffle between the steel box girder, and steel box girder lower extreme welding steel box girder bottom plate, steel box girder bottom plate lower extreme both sides support and are provided with the leveling bracket, and leveling bracket lower extreme is provided with the lower panel, and lower panel passes through built-in fitting fixed connection on lower extreme mounting surface, and beneficial effect is: the whole beam body is adjusted into a uniform-section beam for construction through the leveling bracket which is changed according to the height change of the bridge, so that the problems in the construction process of the variable-section bridge are effectively solved, and the safety of the construction process is improved.

Description

Variable cross section bridge pushes away construction and uses leveling bracket

Technical Field

The utility model relates to bridge construction technical field specifically is a variable cross-section bridge pushes away leveling bracket for construction.

Background

The variable cross-section bridge has the characteristics of large spanning capacity, high rigidity, good integrity, material saving, beam weight reduction, linear and attractive structure and the like.

Variable cross-section bridge among the prior art is great because of elevation control, bridge line type control degree of difficulty, frequently sets up the operating point height, and the construction is numerous and diverse, and factor of safety is low, and especially the degree of difficulty is bigger under the limited circumstances of site operation face, for this reason, the utility model provides a variable cross-section bridge pushes away construction and uses leveling bracket is used for solving above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a variable cross section bridge pushes away construction and uses leveling bracket to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a variable cross section bridge pushes up and pushes away construction and use leveling bracket, includes steel box girder and leveling bracket, the steel box girder divide into a plurality of sections, be provided with steel box girder baffle between the steel box girder, steel box girder lower extreme welding steel box girder bottom plate, steel box girder bottom plate lower extreme both sides are supported and are provided with leveling bracket, leveling bracket lower extreme is provided with down the panel, the panel passes through built-in fitting fixed connection on lower extreme mounting plane down.

Preferably, the leveling bracket includes the lower panel of lower extreme, the web is welded in the middle of the lower panel upper end, a plurality of evenly distributed's horizontal rib of web both sides welding, horizontal rib lower extreme welding is in panel upper end down, horizontal rib and web side middle part welding are indulged the rib, it has a plurality of stiffening plates to weld between the horizontal rib of vertical rib lower extreme web side, stiffening plate evenly distributed, and web both sides stiffening plate is the distribution of crisscross form.

Preferably, the leveling bracket divide into about two sets ofly, two sets of leveling bracket upper ends bracket joint steel box girder lower extreme both sides, lower extreme welding level props between the leveling bracket, level props upper end leveling bracket and leans on welding bracing on the inside wall, the inboard welding stull of bracing, stull welded connection leveling bracket and bracing, bracing upper end support connection is at the steel box girder bottom plate lower extreme of steel box girder lower extreme.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a leveling bracket that changes according to the bridge altitude variation adjusts whole roof beam body into a uniform cross section roof beam and is under construction, has effectively solved the problem that appears in the variable cross section bridge work progress, improves the work progress security.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a side view of FIG. 1;

fig. 3 is a schematic structural view of the leveling bracket of fig. 1.

In the figure: 1 steel box girder, 2 steel box girder diaphragm plates, 3 leveling brackets, 4 webs, 5 transverse ribs, 6 longitudinal ribs, 7 stiffening plates, 8 lower panels, 9 diagonal braces, 10 transverse braces and 11 horizontal braces.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1 to 3, the present invention provides a technical solution: the utility model provides a variable cross section bridge pushes up and pushes away construction and use leveling bracket, includes steel box girder 1 and leveling bracket 3, and steel box girder 1 divide into a plurality of sections, is provided with steel box girder baffle 2 between the steel box girder 1, and steel box girder bottom plate is welded to 1 lower extreme of steel box girder, and steel box girder bottom plate lower extreme both sides are supported and are provided with

leveling bracket

3, and 3 lower extremes of leveling bracket are provided with lower panel 8, and lower panel 8 passes through built-in fitting fixed connection on the lower extreme mounting plane.

The utility model discloses can further set up to, leveling bracket 3 includes lower panel 8 of lower extreme, lower panel 8 upper end

middle welding web

4, 4 both sides welding a plurality of evenly distributed's of web

transverse rib

5, 5 lower extreme welding of transverse rib is in 8 upper ends of panel down,

transverse rib

5 and 4 side middle part welding longitudinal rib 6 of web, it has a plurality of stiffening plates 7 to weld between 6 lower extreme web 4 side transverse rib 5 of longitudinal rib, stiffening plate 7 evenly distributed, and 4 both sides stiffening plates 7 of web are crisscross form and distribute, can connect the support with steel box girder 1 through leveling bracket 3 and be level and smooth form, make parallel between each festival section, guarantee the planarization after connecting between 1 each festival section of steel box girder, and leveling bracket 3 can adjust according to steel box girder 1's height, make the variable bridge girder up end face keep the parallel state, be convenient for build, increase the cross-section result of use.

The utility model discloses can further set up to, leveling bracket 3 divide into about two sets ofly, two sets of 3 upper ends of leveling bracket are held in the palm and are connect 1 lower extreme both sides of steel box girder, lower extreme welding level props 11 between the leveling bracket 3, level props 11 upper end leveling bracket 3 and leans on welding bracing 9 on the inside wall, bracing 9 inboard welding stull 10, stull 10 welded connection leveling bracket 3 and bracing 9, bracing 9 upper end support connection is at the steel box girder bottom plate lower extreme of 1 lower extreme of steel box girder, through level brace 11, bracing 9 and stull 10 can increase

leveling bracket

3 and 1 equipment of steel box girder and stability, the result of use is improved, stability and security when increasing the construction, and reduce the construction degree of difficulty.

The working principle is as follows: when the steel box girder leveling device works, firstly, the leveling brackets 3 and the steel box girder 1 need to be assembled, the steel box girder 1 is divided into sections in order to increase the overturn prevention performance, the sections of the leveling brackets 3 and the steel box girder 1 are divided correspondingly, the cross section of the side edge of each leveling bracket 3 is inverted T-shaped, the lower end of each leveling bracket is provided with the lower panel 8, the web 4 is welded in the middle of the upper end of each lower panel 8, the transverse ribs 5 are welded between the two sides of each web 4 and the lower panel 8, the stiffening plate 7 is welded between the web 4 between the transverse ribs 5 and the lower panel 8, the longitudinal ribs 6 are transversely welded in the middle of each web 4, the height of each leveling bracket 3 can be adjusted along with the height of the steel box girder 1, the use effect is increased, the upper end surfaces of the steel box girders 1 of all sections are kept parallel and flat, and after the steel box girders 1 of all the sections are supported and leveled, the leveling brackets 3 are pushed to the designed positions and girder falling is completed, and then the leveling brackets 3 can be disassembled in sections.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a variable cross section bridge pushes away construction and uses leveling bracket, includes steel box girder (1) and leveling bracket (3), its characterized in that: the steel box girder comprises a steel box girder body and is characterized in that the steel box girder body (1) is divided into a plurality of sections, a steel box girder partition plate (2) is arranged between the steel box girder body (1), a steel box girder bottom plate is welded to the lower end of the steel box girder body (1), leveling brackets (3) are supported on two sides of the lower end of the steel box girder bottom plate, lower panels (8) are arranged at the lower ends of the leveling brackets (3), and the lower panels (8) are fixedly connected to a lower end mounting plane through embedded parts.

2. The leveling bracket for variable cross-section bridge jacking construction according to claim 1, wherein: leveling bracket (3) include lower panel (8) of lower extreme, lower panel (8) upper end middle welding web (4), web (4) both sides welding a plurality of evenly distributed's horizontal rib (5), horizontal rib (5) lower extreme welding is in panel (8) upper end down, horizontal rib (5) and web (4) side middle part welding longitudinal rib (6), the welding has a plurality of stiffener (7) between horizontal rib (5) of longitudinal rib (6) lower extreme web (4) side, stiffener (7) evenly distributed, and web (4) both sides stiffener (7) crisscross form distribution.

3. The leveling bracket for variable cross-section bridge jacking construction according to claim 1, wherein: leveling bracket (3) divide into about two sets ofly, two sets of leveling bracket (3) upper end bracket joint steel box girder (1) lower extreme both sides, lower extreme welding level props (11) between leveling bracket (3), level props (11) upper end leveling bracket (3) and leans on welding bracing (9) on the inside wall, bracing (9) inboard welding stull (10), stull (10) welded connection leveling bracket (3) and bracing (9), bracing (9) upper end support connection is at steel box girder bottom plate lower extreme of steel box girder (1) lower extreme.