CN218374390U

CN218374390U - Slope roofing primary and secondary roof beam connected node

Info

Publication number: CN218374390U
Application number: CN202222278415.8U
Authority: CN
Inventors: 吴辉; 姚盛清; 高增孝; 陈振振; 张艳芳; 孙梓尧
Original assignee: China Construction Industrial and Energy Engineering Group Co Ltd
Current assignee: China Construction Industrial and Energy Engineering Group Co Ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2023-01-24
Anticipated expiration: 2032-08-29

Abstract

The utility model provides a slope roofing primary and secondary roof beam connected node is formed with non 90 contained angle between girder and the secondary beam, and girder upper surface welding has first vertical stiffening plate, and the welding has the vertical stiffening plate of second between girder web and the flange board, and the welding has the end shrouding between the last lower flange board of girder, and the end shrouding also welded connection with first vertical stiffening plate, the vertical stiffening plate of second, and the outer surface welding of end shrouding has a set of connecting plate. The web of secondary beam link inserts in the clearance between the connecting plate and through high strength bolt fixed connection, all adopts the mode welded connection of groove penetration welding between the upper and lower flange board of secondary beam link department and the end shrouding. Based on the utility model discloses can realize having the connection of the sloping roof primary and secondary roof beam of slope structure, girder, secondary roof beam all transport the on-the-spot installation after the prefabricated processing is accomplished in the mill, utilize bolt group to be connected secondary roof beam and connecting plate after carry on again tip welding can, simple to operate, on-the-spot welding volume are less, the efficiency of construction is high.

Description

Slope roofing primary and secondary roof beam connected node

Technical Field

The utility model belongs to the technical field of steel construction beam connection, especially, relate to a slope roofing primary and secondary roof beam connected node.

Background

In engineering construction, due to the requirement of building modeling, primary and secondary beams in a sloping roof steel structure frame system are not in a conventional vertical structure but in an inclined structure, namely, an included angle of not 90 degrees is formed between the primary and secondary beams; the traditional steel structure connection mode is generally to be with primary and secondary roof beam wing direct welded connection, and the bolt welding is connected between beam-ends portion and the web, and this kind of connection mode no longer is applicable to the primary and secondary roof beam structure that has non-90 contained angles, can not satisfy atress and construction requirement, and ann tears open inconveniently moreover, the field welding volume is great, the efficiency of construction is not high. Therefore, the utility model discloses the primary and secondary roof beam to having the contained angle has designed a neotype connected node structure.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a slope roofing primary and secondary roof beam connected node has solved the unable problem that is applicable to the primary and secondary roof beam structure that has non-90 contained angles of traditional steel construction connected mode.

The utility model discloses a following technical means realizes above-mentioned technical purpose.

A primary and secondary beam connecting node of a pitched roof comprises a main beam and a secondary beam which are H-shaped steel beams, wherein a second vertical stiffening plate is welded between a web plate of the main beam and upper and lower flanges of the main beam, an end sealing plate is welded on the outer side of the second vertical stiffening plate, the end sealing plate is welded with the upper and lower flanges of the main beam, and two connecting plates are welded on the outer surface of the end sealing plate; the end of the secondary beam connecting end is tightly attached to the outer surface of the end sealing plate, the web plate at the position of the secondary beam connecting end is inserted into a gap between the two connecting plates and is fixed with the connecting plates through high-strength bolts, and the upper flange and the lower flange at the position of the secondary beam connecting end are all welded with the end sealing plate.

Furthermore, a plurality of first vertical stiffening plates are perpendicularly welded on the upper surface of the upper flange of the main beam, and the first vertical stiffening plates are connected with the end sealing plates in a welding mode.

Further, the first vertical stiffening plates are all of a trapezoidal plate structure.

Furthermore, the number of the first vertical stiffening plates on the upper surface of the upper flange of the main beam is three.

Furthermore, the upper flange and the lower flange at the position of the connecting end of the secondary beam are welded with the end sealing plate in a groove penetration welding mode.

Furthermore, the main beam, the first vertical stiffening plate, the second vertical stiffening plate, the end sealing plate and the connecting plate are prefabricated and processed into a whole in a factory and then are transported to a construction site; and the secondary beam is also transported to a construction site after prefabrication and processing in a factory.

The utility model discloses following beneficial effect has:

based on the utility model provides a connected node can realize having the connection of the slope roofing primary and secondary roof beam of slope structure, and girder and secondary roof beam transport the scene after the prefabricated processing of mill is accomplished, utilize bolt group to be connected secondary roof beam and connecting plate after carry out the tip welding again can, simple to operate and field weld volume are less, help improving the efficiency of construction.

Drawings

FIG. 1 is a schematic view of the overall structure of the primary and secondary beam connection joint of the pitched roof;

fig. 2 is the utility model discloses the positive schematic diagram of sloping roof primary and secondary roof beam connected node.

In the figure: 1-a main beam; 2-secondary beam; 3-a first vertical stiffening plate; 4-a second vertical stiffener; 5-end sealing plate; 6-connecting plates; 7-weld liner plate; 8-high-strength bolts; 9-welding seam.

Detailed Description

The invention will be further described with reference to the drawings and the following examples, but the scope of the invention is not limited thereto.

In the description of the present invention, it should be understood that the terms "first", "second", and the like are used for convenience of distinguishing the components with the same names, and are not to be construed as limiting the present invention; the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention, and should not be construed as limitations of the present invention; the specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

This embodiment is preferred to be explained with a secondary beam 2 all installed to girder 1 both sides as an example, as shown in fig. 1, 2, pitched roof primary and secondary beam connected node in girder 1 and secondary beam 2 be the H shaped steel roof beam, girder 1 upper flange upper surface vertical welding has the first vertical stiffener 3 of polylith. Two groups of second vertical stiffening plates 4 are symmetrically welded on two sides of a web plate of the main beam 1, the inner sides of the second vertical stiffening plates 4 are in welded connection with the web plate of the main beam 1, the top and the bottom of each second vertical stiffening plate 4 are respectively in welded connection with the lower surface of the upper flange of the main beam 1 and the upper surface of the lower flange of the main beam 1, and the width of each second vertical stiffening plate 4 is equal to the distance from the web plate of the main beam 1 to the edge of the main beam 1. End sealing plates 5 are welded between the upper flange and the lower flange of each of the two sides of the main beam 1, and the end sealing plates 5 are welded with the first vertical stiffening plates 3 and the end sealing plates 5 are welded with the second vertical stiffening plates 4. Two connecting plates 6 are welded on the outer surface of the end sealing plate 5, a plurality of bolt mounting holes are formed in the connecting plates 6, and the distance between the two connecting plates 6 is matched with the thickness of the secondary beam 2 web.

As shown in fig. 1 and 2, the main beam 1, the first vertical stiffening plates 3, the second vertical stiffening plates 4, the end sealing plates 5 and the connecting plates 6 are prefabricated and processed into a whole in a factory, and then transported to a field for installation and use. The length and the number of the two end sealing plates 5 on the two sides of the main beam 1 are determined according to the actual installation situation between the main beam 1 and the secondary beams 2, when the secondary beams 2 are required to be installed on the two sides of the main beam 1, the number of the end sealing plates 5 is two, the secondary beams 2 with higher installation height are connected with the end sealing plates 5 with longer length, and the secondary beams 2 with lower installation height are connected with the end sealing plates 5 with shorter length; when only one side of the main beam 1 needs to be provided with the secondary beam 2, the number of the end sealing plates 5 is one, and meanwhile, the number of the first vertical stiffening plates 3 is kept unchanged.

As shown in fig. 1 and 2, preferably, the number of the first vertical stiffener plates 3 on the upper surface of the upper flange of the main beam 1 is three, and all the first vertical stiffener plates are in a trapezoidal plate structure.

As shown in fig. 1 and 2, the secondary beam 2 is installed at the end sealing plate 5 on the side of the main beam 1, specifically, a plurality of bolt installation holes are provided on the web plate at the connecting end position of the secondary beam 2, the positions and the number of the bolt installation holes are matched with the bolt installation holes on the connecting plates 6, the end of the connecting end of the secondary beam 2 is tightly attached to the outer surface of the end sealing plate 5, the web plate at the connecting end position of the secondary beam 2 is inserted into the gap between the two connecting plates 6 and is fixed by the high-strength bolt 8, the upper flange plate, the lower flange plate and the end sealing plate 5 at the connecting end position of the secondary beam 2 are all welded and connected in a groove penetration welding manner, and a welding seam lining plate 7 is adopted for assisting welding, and the formed welding seam 9 is shown in fig. 2. The secondary beam 2 is also transported to the site for installation and use after prefabrication and processing in a factory.

The embodiment is a preferred embodiment of the present invention, but the present invention is not limited to the above embodiment, and any obvious improvement, replacement or modification which can be made by those skilled in the art without departing from the essence of the present invention belongs to the protection scope of the present invention.

Claims

1. A primary and secondary beam connecting node of a pitched roof is characterized by comprising a main beam (1) and a secondary beam (2) which are H-shaped steel beams, wherein a second vertical stiffening plate (4) is welded between a web plate of the main beam (1) and upper and lower flanges of the main beam (1), an end sealing plate (5) is welded on the outer side of the second vertical stiffening plate (4), the end sealing plate (5) is welded with the upper and lower flanges of the main beam (1), and two connecting plates (6) are welded on the outer surface of the end sealing plate (5); the end of the connecting end of the secondary beam (2) is tightly attached to the outer surface of the end sealing plate (5), the web plate at the connecting end of the secondary beam (2) is inserted into a gap between the two connecting plates (6) and is fixed with the connecting plates (6) through high-strength bolts (8), and the upper flange and the lower flange at the connecting end of the secondary beam (2) are connected with the end sealing plate (5) in a welding mode.

2. The primary and secondary beam connecting joint for pitched roof according to claim 1, characterized in that a plurality of first vertical stiffening plates (3) are vertically welded on the upper surface of the upper flange of the primary beam (1), and the first vertical stiffening plates (3) are welded with the end sealing plates (5).

3. The primary and secondary beam connecting joint of a pitched roof as claimed in claim 2, characterized in that the first vertical stiffening plates (3) are all trapezoidal plate structures.

4. The primary and secondary beam connecting joint for the pitched roof as claimed in claim 2, wherein the number of the first vertical stiffening plates (3) on the upper surface of the upper flange of the main beam (1) is three.

5. The pitched roof main and secondary beam connecting joint according to claim 1, wherein the upper and lower flanges at the connecting end position of the secondary beam (2) are welded and connected with the end sealing plates (5) in a groove penetration welding manner.

6. The pitched roof main beam and secondary beam connecting node according to claim 1, wherein the main beams (1), the first vertical stiffening plates (3), the second vertical stiffening plates (4), the end sealing plates (5) and the connecting plates (6) are prefabricated and processed into a whole in a factory and then transported to a construction site; the secondary beam (2) is also transported to a construction site after being prefabricated and processed in a factory.