CN211622267U

CN211622267U - Large-scale steel structure beam

Info

Publication number: CN211622267U
Application number: CN201921511403.7U
Authority: CN
Inventors: 叶斌锋; 柴庆华
Original assignee: Zhejiang Dadong Wuhangxiao Green Construction Technology Co ltd
Current assignee: Zhejiang Dadong Wuhangxiao Green Construction Technology Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-10-02
Anticipated expiration: 2029-09-11

Abstract

The utility model provides a large scale steel structure roof beam, steel structure roof beam include a plurality of roof beam sections, the roof beam section includes web, top panel and lower panel, the top panel with the panel outside is equipped with the outer joint plate down, the top panel with the panel inboard is equipped with the interconnection connecting plate down, the web both sides are equipped with the side connecting plate, the outer joint plate with the lower connecting plate passes through bolted connection adjacently the roof beam section top panel and lower panel, side connecting plate bolted connection is adjacent the web, steel structure beam-ends portion is on the stand, be equipped with the steel sheet on the stand, the lower panel with the steel sheet is connected.

Description

Large-scale steel structure beam

Technical Field

The utility model relates to a building technical field especially relates to a large scale steel construction roof beam.

Background

Public buildings such as stadiums and the like mostly adopt a steel structure form, and the steel structure form adopts a truss structure to bear a ceiling. The high-strength and high-strength composite wall is suitable for large or ultra-large buildings, but has a complex structure, poor visual attractiveness and inconvenience in construction. To some building venues, if adopt H shaped steel roof beam, for satisfying structural strength requirement, the girder steel height can be great with the width, and length is longer, and welded connection form can't satisfy the operation requirement, how guarantee the structural strength of girder steel, the installation of being convenient for simultaneously is an important problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a large-scale steel structure beam, structural strength is high, simple to operate.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a large-scale steel structure roof beam, steel structure roof beam includes a plurality of roof beam sections, the roof beam section includes web, top panel and lower panel, the top panel with the panel outside is equipped with the outer joint plate down, the top panel with the panel inboard is equipped with the interconnection connecting plate down, the web both sides are equipped with the side connecting plate, the outer joint plate with the lower connecting plate passes through bolted connection and is adjacent the roof beam section top panel and lower panel, side connecting plate bolted connection is adjacent the roof beam section the web, steel structure beam end portion is on the stand, be equipped with the steel sheet on the stand, the lower panel with the steel sheet is connected.

Preferably, the upper panel is gradually inclined downwards from the middle of the steel structural beam to two sides.

Preferably, a waterproof glue is arranged at the joint of the web plate and the side connecting plate.

Preferably, the outer connection plate, the inner connection plate, and the sides of the upper and lower panels are coated with waterproof glue.

Preferably, a reinforcing plate is disposed between the upper panel, the lower panel and the web.

Preferably, the reinforcing plate is arranged on the upper side of the upright post in an opposite manner.

Preferably, the upper side of the steel structure beam is provided with a top beam perpendicular to the steel structure beam, the top beam is provided with a ceiling, the top beam is an I-shaped beam, and a web plate of the top beam is connected with the reinforcing plate.

Preferably, the web of the top beam and the reinforcing plate are connected by bolts with clamping plates.

To sum up, compare with prior art, the utility model has the advantages of: the steel structure beam connecting structure has high strength and good torsion resistance, and can be suitable for large-size section steel beams; the steel structure beams and the top beams form an integral structure, and loads on the steel structure beams under the action of a plurality of groups of top beams and a ceiling structure are dispersed, so that overlarge local stress is avoided; bolts are adopted to connect the beam sections to replace a welding connection mode, so that the structure is convenient to transport and store, the field operation difficulty is reduced, and the stability of the connection structure is ensured; a large-tonnage crane, such as a 500t crane, is adopted for one-time hoisting and installation, so that the construction efficiency is high.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

The reference numbers in the figures are as follows:

1. the novel roof beam comprises beam sections, 11 web plates, 12 upper panels, 13 lower panels, 14 outer connecting plates, 15 inner connecting plates, 16 side connecting plates, 17 reinforcing plates, 2 upright columns, 21 steel rods, 22 steel plates, 3 top beams, 4 ceilings and 5 clamping plates.

Detailed Description

The invention will be further described with reference to the following examples in the drawings.

As shown in fig. 1, the large-scale steel structural beam comprises a plurality of spliced beam sections 1, wherein each beam section 1 is an i-shaped beam and comprises a web 11, an upper panel 12 and a lower panel 13. Outer connecting plates 14 are arranged on the outer sides of the upper panel 12 and the lower panel 13, inner connecting plates 15 are arranged on the inner sides of the upper panel 12 and the lower panel 13, the inner connecting plates 15 are located on two sides of the web 11, and two ends of each of the outer connecting plates 14 and the inner connecting plates 15 are located on two adjacent beam ends 1. Two sides of the web 11 are provided with side connecting plates 16, the outer connecting plate 14 and the inner connecting plate 15 are connected with the upper panel 12 and the lower panel 13 of the adjacent beam section 1 through bolts, and the side connecting plates 16 are connected with the web 11 of the adjacent beam section 1 through bolts.

The steel structure beam-ends portion frame is equipped with steel sheet 22 on concrete column 2 on the stand 2, is equipped with a plurality of steel poles 21 on the steel sheet 22, be equipped with on the lower panel 13 with steel pole 21 complex trompil, the steel pole 21 passes the trompil, lower panel 13 can with steel sheet 22 welded connection. The upper panel 12 is gradually inclined downwards from the middle of the steel structural beam to two sides.

During installation, the external connecting plate 14 on the lower side of the lower panel 13 of the beam section 1 at one end is connected with the lower panel 13 through bolts, the side connecting plates 16 on two sides of the web plate 11 are connected with the web plate 11 through bolts, the beam section 1 on one side is hoisted to a position between the web plate 11 and the connecting plates 16 on two sides and is erected on the external connecting plate 14 to connect the internal connecting plate 15 on the upper side of the lower panel 13 and the external connecting plate 14 and the internal connecting plate 15 on the upper panel 12, and then the assembly of the two beam sections 1 can be completed.

Waterproof glue is arranged at the joint of the web plate 11 and the side connecting plate 16. The outer connection plates 14, the inner connection plates 15, and the sides of the upper and

lower panels

12 and 13 are coated with waterproof glue.

A plurality of reinforcing plates 17 are arranged among the upper panel 12, the lower panel 13 and the web 11 along the extension direction of the steel structure beam. The reinforcing plate 17 is welded to the upper and

lower face plates

12 and 13 and the web 11 and is perpendicular to the web 11. The upper side of the upright post 2 is oppositely provided with a reinforcing plate 17 to ensure the structural strength of the node.

The upper side of the steel structure beam is provided with a top beam 3 vertical to the steel structure beam, the top beam 3 is provided with a ceiling 4, the top beam 3 is an I-shaped beam, and a web plate 11 of the top beam 3 can be connected with a reinforcing plate 17 in a welding manner. In the embodiment, the clamping plates 5 are bolted on the web plate 11 of the top beam 3 and the reinforcing plate 17 so as to be assembled at high altitude.

The construction process of the large-scale steel structure beam is as follows:

the beam sections 1 are in butt joint connection through bolts on site to form an integral steel structure beam, the steel structure beam is heavy, and a 500t crane can be used for hoisting the steel structure beam. Four hoisting points are welded on the steel structure beam, and four steel wire ropes extend out of a lifting hook of the crane to be connected with the four hoisting points. And hoisting the steel structure beam to two ends to be erected on the concrete upright 2, enabling the steel rod 21 to penetrate through the lower panel 13, connecting the top beam 3 with the steel structure beam through bolts, and arranging the ceiling 4.

The above description is only for explaining the present invention, so that the person skilled in the art can completely implement the present invention, but not for limiting the present invention, and after reading the present specification, the person skilled in the art can make modifications to the present embodiment as required without inventive contribution, which are all modifications without inventive contribution, but are protected by patent laws within the scope of the claims of the present invention.

Claims

1. The utility model provides a large-scale steel structure roof beam which characterized in that: the steel structure beam comprises a plurality of beam sections (1), the beam sections (1) comprise webs (11), upper panels (12) and lower panels (13), the upper panels (12) are provided with outer connecting plates (14) on the outer sides of the lower panels (13), the upper panels (12) are provided with inner connecting plates (15) on the inner sides of the lower panels (13), the webs (11) are provided with side connecting plates (16) on two sides, the outer connecting plates (14) are provided with the inner connecting plates (15) which are connected through bolts, the beam sections (1) are provided with the upper panels (12) and the lower panels (13), the side connecting plates (16) are connected through bolts, the beam sections (1) are provided with the webs (11), the end frames of the steel structure beam are arranged on columns (2), steel plates (22) are arranged on the columns (2), and the lower panels (13) are connected with the steel plates (22).

2. The large-scale steel structural beam as claimed in claim 1, wherein: the upper panel (12) is gradually inclined downwards from the middle part of the steel structure beam to two sides.

3. The large-scale steel structural beam as claimed in claim 1, wherein: waterproof glue is arranged at the joint of the web plate (11) and the side connecting plate (16).

4. The large-scale steel structural beam as claimed in claim 1, wherein: the outer connection plate (14), the inner connection plate (15), and the sides of the upper panel (12) and the lower panel (13) are coated with waterproof glue.

5. The large-scale steel structural beam as claimed in claim 1, wherein: and reinforcing plates (17) are arranged among the upper panel (12), the lower panel (13) and the web (11).

6. The large-scale steel structural beam as claimed in claim 5, wherein: the upper side of the upright post (2) is oppositely provided with the reinforcing plate (17).

7. The large-scale steel structural beam as claimed in claim 5, wherein: steel structure roof beam upside be equipped with steel structure roof beam vertically back timber (3), be equipped with ceiling (4) on back timber (3), back timber (3) are I-shaped roof beam, web (11) of back timber (3) with reinforcing plate (17) are connected.

8. The large-scale steel structural beam as claimed in claim 7, wherein: the web plate (11) of the top beam (3) and the reinforcing plate (17) are connected with a clamping plate (5) through bolts.