CN112144757A

CN112144757A - Assembled steel construction roof truss

Info

Publication number: CN112144757A
Application number: CN202011159623.5A
Authority: CN
Inventors: 朱永慧; 张博; 郭正强
Original assignee: Shanghai Yizhu Agriculture And Animal Husbandry Technology Co ltd
Current assignee: Shanghai Yizhu Agriculture And Animal Husbandry Technology Co ltd
Priority date: 2020-10-26
Filing date: 2020-10-26
Publication date: 2020-12-29

Abstract

The invention discloses an assembly type steel structure roof truss, which belongs to the technical field of buildings and comprises a plurality of groups of upper chord groups, a plurality of groups of lower chord groups, a plurality of groups of fixed columns and a plurality of web members, wherein any two adjacent groups of fixed columns are arranged in parallel, each group of upper chord groups is formed by connecting a plurality of upper chords end to end, and each group of lower chord groups is formed by connecting a plurality of lower chords end to end; the upper chord and the lower chord are detachably connected through the web member, and the upper chord and/or the lower chord are detachably connected with the fixed column through a first connecting piece; the first connecting piece comprises a connecting plate, a first connecting column is arranged on the connecting plate, a first through groove is formed in the first connecting column, two side walls of the first through groove are connected with first side plates, the two first side plates and the connecting plate are fixedly connected, a plurality of first threaded holes are formed in the first side plates, the first connecting column and the connecting plate, and a first bolt assembly is arranged in each first threaded hole; the bolt assembly is adopted to realize fixation, and the disassembly and the assembly are simple and easy.

Description

Assembled steel construction roof truss

Technical Field

The invention belongs to the technical field of buildings, and particularly relates to an assembly type steel structure roof truss.

Background

The existing stockbreeding steel structure roof truss is mostly of an integral welding type, production and processing efficiency is not high, professional technical workers are needed, transportation is difficult, cost is high, the project period is long, the other part is of an assembly type, upper chord members, lower chord members and web members are all angle steel or C-shaped steel, and only through bolt direct connection or nailing direct connection, the problems of low structural strength and poor stability exist.

Disclosure of Invention

Aiming at the problems of the existing steel structure roof truss, the invention provides an assembly type steel structure roof truss which mainly adopts different connecting pieces as connecting nodes to realize field assembly and shorten the production and engineering periods.

The technical scheme of the invention is as follows: an assembly type steel structure roof truss comprises a plurality of groups of upper chord groups, a plurality of groups of lower chord groups, a plurality of groups of fixed columns and a plurality of web members, wherein any two adjacent groups of fixed columns are arranged in parallel, each group of upper chord groups is formed by connecting a plurality of upper chord members end to end, and each group of lower chord groups is formed by connecting a plurality of lower chord members end to end;

the upper chord and the lower chord are detachably connected through the web member, and the upper chord and/or the lower chord are detachably connected with the fixed column through a first connecting piece;

the first connecting piece comprises a connecting plate, a first connecting column is arranged on the connecting plate, a first through groove is formed in the first connecting column, a first side plate is connected to two side walls of the first through groove, the two first side plates are fixedly connected with the connecting plate, a plurality of first threaded holes are formed in the first side plate, the first connecting column and the connecting plate, and a first bolt assembly is arranged in each first threaded hole.

Further, the upper chord member and the web member are connected through a second connecting member, and the lower chord member and the web member are connected through the second connecting member;

the second connecting piece comprises a second connecting column, a second through groove is formed in the second connecting column, second side plates are connected to two side walls of the second through groove, a plurality of second threaded holes are formed in the second side plates and the second connecting column, and a second bolt assembly is arranged in each second threaded hole.

Further defined, the upper chord group comprises a plurality of upper chords, and the upper chords are obliquely arranged.

Further defined, the lower chord group comprises a plurality of lower chords, and the lower chords are horizontally arranged.

Further, the first connecting column is fixedly connected with the connecting plate or integrally formed.

Further inject, the second curb plate is right trapezoid structure and right-angle side and second spliced pole fixed connection or integrated into one piece.

Further limiting, the second side plate is of a trapezoidal structure, and the bottom edge of the trapezoidal structure is fixedly connected with the second connecting column or integrally formed.

Further, the second side plate is of a rectangular structure.

And further limiting, the adjacent upper chords or the adjacent lower chords in each group are connected through a third connecting piece, each third connecting piece comprises a bottom plate, a third side plate is fixedly connected or integrally formed on the bottom plate, a plurality of third threaded holes are formed in the bottom plate, and a third bolt assembly is arranged in each third threaded hole.

The invention has the beneficial effects that: 1. because the second side plate has various shapes, different connections between the upper chord member or the lower chord member and the web members can be realized, and the installation of the web members at various angles can be realized;

2. through the combination of the connecting plate, the first connecting column, the first side plate and the first bolt assembly, the requirements of stress satisfaction and convenience in installation are met;

3. for the downwarping problem caused by the relatively large-span truss, the truss can be flexibly pre-arched through the second connecting piece, and the size of the web member is adjusted, so that the downwarping problem is solved;

4. the second connecting piece can be prefabricated in advance, and the production and engineering period can be shortened.

5. The first connecting piece, the second connecting piece and the third connecting piece are detachably connected, so that the transportation can be realized independently, the transportation is convenient, and the transportation cost is effectively saved;

6. the first connecting piece, the second connecting piece and the third connecting piece are connected through the bolt assemblies, so that the connection is convenient, and the requirement on the professional performance of construction personnel is reduced.

Drawings

FIG. 1 is a schematic structural view of an assembled steel structural roof truss;

FIG. 2 is a first structural schematic view of the first connector;

FIG. 3 is a first structural schematic of the second connector;

FIG. 4 is a second structural view of the second connector;

FIG. 5 is a third structural view of the second connector;

FIG. 6 is a second structural view of the first connector;

FIG. 7 is a schematic view of the third link connection;

wherein, 1-upper chord; 2-lower chord; 3-a web member; 4-fixing the column; 5-a first connecting member; 501-connecting plate; 502-first connecting post; 503-a first side panel; 504-a first threaded hole; 505 — a first through slot; 6-a second connector; 601-a second connecting column; 602-a second side panel; 603-a second threaded hole; 604-a second through slot; 7 bottom plate, 8-third side plate.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention more apparent, the embodiments of the present invention are described in detail and completely, and it is obvious that the described embodiments are a part of the embodiments of the present invention, but not all of the embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.

Example 1

As shown in fig. 1-3, an assembled steel structure roof truss includes a plurality of sets of upper chords 1, a plurality of sets of lower chords 2, a plurality of sets of fixing columns 4, and a plurality of web members 3, in this embodiment, the sets of upper chords 1 are two sets, the sets of lower chords 2 are two sets, the sets of fixing columns 4 are three sets, the three sets of fixing columns 4 are vertically arranged and parallel to each other, the sets of lower chords 2 are arranged in a same horizontal plane, the sets of upper chords 1 are both obliquely arranged, and the inclination angles of the sets of upper chords 1 are complementary; the upper chord 1 group comprises a plurality of upper chords 1, and the lower chord 2 group comprises a plurality of lower chords 2;

the upper chord 1 and the lower chord 2 are detachably connected through the web member 3, and the upper chord 1 and/or the lower chord 2 are detachably connected with the fixed column 4 through the first connecting piece 5;

the first connecting piece 5 comprises a connecting plate 501, a first connecting column 502 is arranged above the connecting plate 501, the first connecting column 502 is not connected with the connecting plate 501, a first through groove 505 is formed in the first connecting column 502, a first side plate 503 is connected to two side walls of the first through groove 505, and the first side plate 503 is welded with the connecting plate 501; a plurality of first threaded holes 504 are formed in the first side plate 503, the first connecting column 502 and the connecting plate 501, and a first bolt assembly is arranged in each first threaded hole 504; mounting holes are reserved on the upper chord 1 and the lower chord 2 in the process of manufacturing the upper chord 1 and the lower chord 2, and mounting holes are reserved on the fixing column 4 in the process of manufacturing the fixing column 4; the upper chord 1 or the lower chord 2 penetrates through the first through groove 505 and is detachably connected with the groove wall of the first through groove 505 through a first bolt assembly, and the connecting plate 501 is connected with the fixing column 4 through the first bolt assembly;

the upper chord member 1 is connected with the web members 3 through second connecting members 6, and the lower chord member 2 is connected with the web members 3 through the second connecting members 6;

the second connecting piece 6 comprises a second connecting column 601, a second through groove 604 is formed in the second connecting column 601, two side walls of the second through groove 604 are connected with second side plates 602, a plurality of second threaded holes 603 are formed in the second side plates 602 and the second connecting column 601, and a second bolt assembly is arranged in each second threaded hole 603; wherein, upper boom 1 or lower boom 2 run through second through groove 604 and realize through second bolt assembly that can dismantle with the cell wall of second through groove 604 and be connected, the mounting hole has been reserved at the both ends of web member 3, the both ends of web member 3 are placed respectively between two corresponding second curb plates 602 and are realized connecting through second bolt assembly, second curb plate 602 is the rectangle, second spliced pole 601 and second curb plate 602 all have been seted up three groups of second screw holes 603 and all have been seted up along its length direction, second bolt assembly is three groups.

Example 2

Unlike embodiment 1, as shown in fig. 4, a pair of second threaded holes 603 are formed in the second connecting column 601, the second side plate 602 is trapezoidal, and one second threaded hole 603 is formed in each second side plate 602 for passing through a bolt.

Example 3

Different from embodiment 1, as shown in fig. 5, two pairs of second threaded holes 603 are formed in the second connecting column 601, the second side plate 602 is a right trapezoid, a right-angle side of the second side plate 602 is welded to the second connecting column 601, and one second threaded hole 603 is formed in each second side plate 602 for passing through one bolt.

Example 4

Unlike embodiment 1, as shown in fig. 6, the first connecting column 502 and the second connecting column 601 are both fixedly connected to the connecting plate 501, and in this embodiment, are welded.

Example 5

On the basis of any one of embodiments 1 to 4, as shown in fig. 7, the adjacent upper chords 1 or the adjacent lower chords 2 are connected by a third connecting piece, the third connecting piece includes a bottom plate, a third side plate is fixedly connected or integrally formed on the bottom plate, 4 third threaded holes are formed in the bottom plate, and a third bolt assembly is arranged in each third threaded hole.

It should be noted that: the upper chord 1, the lower chord 2, the fixing column 4 and the web member 3 in the above embodiments are all provided with threaded holes matched with corresponding bolt assemblies.

The invention is not limited to the above alternative embodiments, and any other various forms of products can be obtained by anyone in the light of the present invention, but any changes in shape or structure thereof, which fall within the scope of the present invention as defined in the claims, fall within the scope of the present invention.

Claims

1. An assembled steel structure roof truss is characterized by comprising a plurality of groups of upper chord groups, a plurality of groups of lower chord groups, a plurality of groups of fixed columns and a plurality of web members, wherein any two adjacent groups of fixed columns are arranged in parallel, each group of upper chord groups is formed by connecting a plurality of upper chords end to end, and each group of lower chord groups is formed by connecting a plurality of lower chords end to end;

2. An assembled steel structural roof truss as defined in claim 1 wherein said upper chord is connected to said web members by second connecting members and said lower chord is connected to said web members by said second connecting members;

3. An assembled steel structural roof truss as characterised in claim 1 wherein said upper chord group includes a plurality of upper chords, the upper chords being disposed at an incline.

4. An assembled steel structural roof truss as defined in any one of claims 1-3 wherein said lower chord group includes a plurality of lower chords, the lower chords being horizontally disposed.

5. An assembled steel structural roof truss according to claim 1 wherein the first connecting column is fixedly connected or integrally formed with the connecting plate.

6. An assembled steel structural roof truss as defined in claim 2 wherein said second side panel is of right trapezoid configuration and the right angled side is fixedly connected to or integrally formed with the second connecting column.

7. An assembled steel structural roof truss as defined in claim 2 wherein said second side panel is of trapezoidal configuration, the bottom edge of which is fixedly connected to or integrally formed with the second connecting stud.

8. An assembled steel structural roof truss as characterised in claim 2 wherein said second side panel is of rectangular configuration.

9. An assembled steel structure roof truss as defined in claim 1 wherein adjacent ones of said upper chords or adjacent ones of said lower chords in each of said groups are connected by a third connecting member, said third connecting member including a bottom plate, a third side plate fixedly attached to or integrally formed with said bottom plate, said bottom plate having a plurality of third threaded holes formed therein, each of said third threaded holes having a third bolt assembly disposed therein.