CN206538684U - A kind of steel platform for bifurcated section Bridge Erector construction - Google Patents

Abstract

The utility model discloses a kind of steel platform for bifurcated section Bridge Erector construction, including some columns on existing structure cushion cap, the lower floor's crossbeam being sequentially arranged in above the column, middle level crossbeam and upper strata crossbeam, flushed at the top of the top of the upper strata crossbeam and bent cap.Pass through the steel platform being made up of column, lower floor's crossbeam, middle level crossbeam and upper strata crossbeam, it is used as the assistance platform of bridge formation machine equipment, when running into bifurcated section circuit, bifurcated Duan Liang is placed on steel platform according to decorating position, because the top of steel platform at the top of bent cap with flushing, only bifurcated section beam translate in place, bridge formation machine equipment need not be changed, cost is saved, improve the convenient degree of construction and security performance, construction speed is accelerated, the platform structure is simple, convenient disassembly, safe and reliable.

Description

A steel platform structure used for the construction of bifurcated bridge erecting machines

technical field

The utility model relates to the construction field of a bridge erecting machine, in particular to a steel platform structure used for the construction of a bifurcation section bridge erecting machine.

Background technique

In the current prefabricated girder erection construction of viaducts, since the lateral spacing of the outriggers of ordinary bridge erecting machines and the gauge of the girder transport vehicles are fixed, when encountering a bifurcated section of the line transitioning from a double-line pier to a single-line pier, If the up-down distance exceeds the parameters of the lateral distance between the legs of the bridge-erecting machine equipment, the bridge-erecting machine equipment needs to be replaced, which not only causes a lot of material waste on the construction site, but also causes delays in the construction period and fails to meet actual construction needs.

Utility model content

The utility model provides a steel platform structure used for the construction of a bifurcated section bridge erecting machine to solve the problems of material waste and construction period delay in the prior art.

In order to solve the above-mentioned technical problems, the technical solution of the present utility model is: a steel platform structure for the construction of bifurcated section bridge erecting machine, including a number of columns arranged on the caps of the existing structure, which are successively arranged above the columns The lower beam, the middle beam and the upper beam, the top of the upper beam is flush with the top of the cover beam.

Further, there are four upright columns, which are sequentially connected to form a rectangle.

Further, the column is made of steel pipe, the diameter of the steel pipe is 500mm, and the thickness is 16mm.

Further, it also includes tie pieces arranged between several of the uprights.

Further, the tie members include horizontal braces and diagonal braces.

Further, the horizontal brace and the diagonal brace are made of channel steel, and the two ends of the horizontal brace and the diagonal brace are welded and fixed to the column.

Further, the lower beams, middle beams and upper beams are arranged in a criss-cross pattern from bottom to top.

Further, the lower beam and the middle beam are made of I-shaped steel, the upper beam is made of section steel, and two adjacent beams are welded and fixed.

Further, the bottom end of the column is connected to the existing structural platform through embedded parts.

Further, the top of the column is connected to the lower beam through a flange.

The steel platform structure provided by the utility model for the construction of bifurcated section bridge erecting machines includes a number of columns arranged on the caps of the existing structure, and a lower beam, a middle beam and an upper beam sequentially arranged above the columns. The top of the upper beam is flush with the top of the cover beam. By setting up a steel platform structure composed of columns, lower beams, middle beams and upper beams, as an auxiliary platform for bridge erecting machine equipment, when encountering a branch line, place the branch beam on the steel platform structure according to the erection position On the other hand, since the top of the steel platform structure is flush with the top of the cover beam, it is only necessary to translate the bifurcated beam into position without replacing the bridge erecting machine equipment, which saves costs and improves construction convenience and safety performance. The construction progress is accelerated, and the platform is simple in structure, convenient in disassembly and assembly, safe and reliable.

Description of drawings

Fig. 1 is a structural schematic diagram of the steel platform structure used in the construction of the bifurcation section bridge erecting machine of the present invention.

As shown in the figure: 1. Upright column; 2. Lower beam; 3. Middle beam; 4. Upper beam; 5. Existing structural platform;

detailed description

Below in conjunction with accompanying drawing, the utility model is described in detail:

As shown in Figure 1, the utility model provides a steel platform structure for the construction of bifurcated bridge erecting machines, including a number of columns 1 arranged on the existing structural cap 5, which are successively arranged above the columns 1 The lower beam 2, the middle beam 3 and the upper beam 4, the top of the upper beam 4 is flush with the top of the cover beam. The existing structural cap 5 is located at the position of the bridge pier. Through the steel platform structure composed of columns 1, lower beams 2, middle beams 3 and upper beams 4, when encountering a branch line, the branch beams are placed on the steel platform structure according to the erection position, due to the steel platform structure The top of the bridge is flush with the top of the cover beam, and only the bifurcated beam needs to be translated into place without replacing the bridge erecting machine equipment, which saves costs, improves construction convenience and safety performance, and speeds up the construction progress.

Preferably, there are four upright columns 1, which are sequentially connected to form a rectangle, with good stability and reliable support. Preferably, the column 1 is made of a steel pipe with a diameter of 500mm and a thickness of 16mm, which has high rigidity and strong bearing capacity.

Please continue to refer to FIG. 1, the steel platform structure also includes a tie member 6 arranged between several columns 1, the tie member 6 includes a horizontal brace 61 and a diagonal brace 62, and the horizontal brace 61 and the diagonal brace 62 is made of channel steel, and the two ends of the horizontal brace 61 and the diagonal brace 62 are welded and fixed to the column 1. Specifically, several columns 1 are connected into a whole by tie pieces 6, and the tie The piece 6 and the column 1 form a hug in the horizontal direction, and are used to provide support for the entire steel platform structure.

Preferably, the lower beams 2 , the middle beams 3 and the upper beams 4 are arranged in a criss-cross pattern from bottom to top. As shown in Figure 1, the lower beam 2 and the upper beam 4 are arranged horizontally (X direction), and the middle beam 3 is arranged longitudinally (Y direction). The three are arranged in a criss-cross pattern, which improves the stability of the steel platform structure. The lower beam 2 and the middle beam 3 are made of I-beam, model 40C, the upper beam 4 is made of section steel, specification is H502*465*16*25, and the two adjacent beams are welded and fixed.

Preferably, the bottom end of the column 1 is connected to the existing structural platform 5 through embedded parts, and the top end and the lower beam 2 are fixed by flange welding.

The steel structure platform provided by this embodiment, when erecting, first install four columns 1 on the existing structural cap 5, install the lower beam 2 on the top of the column 1 along the direction perpendicular to the bridge, and then install the middle beam 3 along the direction parallel to the bridge , and then install the upper beam 4 along the vertical bridge direction, calculate the total height of the steel platform structure according to the net height from the top surface of the existing structural cap 5 to the top surface of the cover beam before installation, so that the top surface of the upper beam 4 and the top of the cover beam after completion Finally, arrange horizontal braces 61 and diagonal braces 62 between the uprights 1 to tie them together, so as to ensure the stability of the steel platform structure. When in use, temporarily place the beams of the bifurcated section on the steel platform according to the standard line spacing. bit.

In summary, the steel platform structure provided by the utility model for the construction of bifurcated section bridge erecting machines includes several columns 1 arranged on the existing structural cap 5, and the lower beams arranged above the columns 1 in turn. 2. The middle beam 3 and the upper beam 4, the top of the upper beam 4 is flush with the top of the cover beam. The steel platform structure composed of column 1, lower beam 2, middle beam 3 and upper beam 4 is used as an auxiliary platform for bridge erecting machine equipment. On the steel platform structure, since the top of the steel platform structure is flush with the top of the cover beam, it is only necessary to translate the bifurcated beam into position without replacing the bridge erecting machine equipment, which saves costs and improves construction convenience and The safety performance speeds up the construction progress. The platform has a simple structure, convenient disassembly and assembly, and is safe and reliable.

Although the description has described the embodiments of the present utility model, these embodiments are only used as hints and should not limit the scope of protection of the present utility model. Various omissions, substitutions and changes within the scope not departing from the gist of the utility model shall be included in the protection scope of the utility model.

Claims (9)

1. a kind of steel platform structure that is used for bifurcation section bridge erecting machine construction, it is characterized in that, comprise and be located at some columns on existing structure cap, be located at the lower floor crossbeam, middle floor beam and upper floor successively above described column The top of the upper beam is flush with the top of the cover beam, the lower beam, the middle beam and the upper beam are arranged in a criss-cross pattern from bottom to top, and the bifurcated beam is placed on the steel platform structure, and is aligned with the erection position. correspond. 2. The steel platform structure for construction of bifurcated section bridge erecting machines according to claim 1, characterized in that, four columns are provided, which are sequentially connected to form a rectangular shape. 3. The steel platform structure for construction of bifurcated bridge erecting machines according to claim 1, wherein the column is made of steel pipes with a diameter of 500mm and a thickness of 16mm. 4. The steel platform structure used for construction of bifurcated section bridge erecting machines according to claim 1, further comprising tie members arranged between several of the columns. 5 . The steel platform structure used for the construction of bifurcated bridge erecting machines according to claim 4 , wherein the tie members include horizontal braces and diagonal braces. 6 . 6. The steel platform structure for the construction of bifurcated bridge erecting machines according to claim 5, wherein the horizontal brace and the diagonal brace are made of channel steel, and the two ends of the horizontal brace and the diagonal brace are It is welded and fixed with the column. 7. The steel platform structure for the construction of bifurcated bridge erecting machines according to claim 1, wherein the lower beam and the middle beam are made of I-beam, and the upper beam is made of section steel, Welding and fixing between two adjacent beams. 8. The steel platform structure used for the construction of bifurcated bridge erecting machines according to claim 1, wherein the bottom end of the column is connected to the existing structural cap through embedded parts. 9. The steel platform structure used for construction of bifurcation section bridge erecting machine according to claim 1, characterized in that, the top of the column and the lower beam are connected by a flange.