CN213449156U

CN213449156U - Assembled C shaped steel truss structure

Info

Publication number: CN213449156U
Application number: CN202021664000.9U
Authority: CN
Inventors: 甘秀明
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-09
Filing date: 2020-08-09
Publication date: 2021-06-15
Anticipated expiration: 2030-08-09

Abstract

An assembled C-shaped steel truss structure comprises upper and lower chords of a truss, tubular web members and assembled hemispherical nodes, wherein the truss is composed of C-shaped steel; it is also characterized in that: by adjusting the parameter relationship between each upper chord, each lower chord and each tubular web member, a triangular roof truss, a trapezoidal roof truss, a parabolic roof truss, a parallel chord roof truss and the like can be formed.

Description

Assembled C shaped steel truss structure

Technical Field

The utility model relates to an assembled steel construction house field especially indicates an assembled C shaped steel truss structure.

Background

The truss structure is used for a roof truss structure with a large span, so that the efficiency of a beam structural part is effectively improved, meanwhile, the self weight of the whole structure is reduced, so that structural materials are further saved, the truss structure is an ideal roof truss structure form, a steel pipe truss is usually welded and is commonly used for building structures such as a large-scale venue, but the truss structure has the defects in buildings with limited relative span, such as agricultural buildings and the like, the agricultural buildings generally adopt a structure with a large span for improving the utilization rate of internal space, but the structural span is relatively limited and the structural bearing is relatively low compared with large-scale public buildings, meanwhile, the truss structure is sensitive to the building cost, and the application environment condition is relatively poor, so that the truss structure is not beneficial to corrosion prevention, and if the commonly used welded pipe type truss is adopted, the overall corrosion prevention is required due to relatively large; the solid-web steel beam is adopted, so that the overall structure cost is increased due to the large dead weight of the structure; the truss formed by connecting the galvanized cold-formed thin-walled steel has the problems of welding and corrosion resistance, but the structural density needs to be increased due to limited bearing capacity, so that the occupied building space is more, meanwhile, the surface material area of the cold-formed thin-walled steel is greatly increased due to the excessively thin profile of the cold-formed thin-walled steel, so that the cold-formed thin-walled steel is more unfavorable for being used for a naked structure, the application environment is relatively poor, the service life of the building is greatly unfavorable, and meanwhile, the point connection of the cold-formed thin-walled steel which is usually in a riveting form is not only unfavorable for structure force transmission, but also unfavorable for corrosion. If there is the application characteristics that a structure is fit for agricultural building to possess better corrosion resisting property and cost simultaneously lower, can effectively exert the advantage that truss structure space utilization is high and can avoid again because of welding process's anticorrosive and cost problem, can conveniently assemble again simultaneously, is the utility model aims at.

Disclosure of Invention

The utility model aims at providing an assembled C shaped steel truss structure, adopt zinc-plated C shaped steel and assembled connected mode, the industrialization degree high performance of the former anticorrosive coating of zinc-plated C shaped steel is stable and the processing cost is low on the one hand, do not have simultaneously and cause destruction to former anticorrosive coating because of the welding, and avoid implementing anticorrosive higher anticorrosive cost that causes to whole truss member, on the other hand adopts the special node structure of assembled to avoid welding stress etc. simultaneously can make the node pass the advantage ideal, compare in the thin wall shaped steel truss of cold bending simultaneously, the not enough of riveting node has been solved and bearing capacity and corrosion resisting capability have been improved, can effectively reduce material cost, reduce anticorrosive cost and can improve corrosion resisting capability again, be convenient for installation and preparation simultaneously.

In order to realize the proposal, the utility model discloses a technical solution does: an assembled C-shaped steel truss structure comprises upper and lower chords of a truss formed by C-shaped steel, assembled tubular web members and assembled hemispherical nodes; the truss is characterized in that the upper chord member and the lower chord member of the truss are through structures and penetrate through all the assembled hemispherical nodes on the upper chord member and the lower chord member of the truss, and all the assembled tubular web members are in bolted connection with the upper chord member and the lower chord member at all the nodes of the truss through all the hemispherical nodes; it is also characterized in that: several types of trusses such as triangular trusses, trapezoidal trusses, parabolic trusses, parallel chord trusses and the like can be formed by adjusting the parameter relationship between each upper chord, each lower chord and each tubular web member.

The utility model relates to an assembled C-shaped steel truss structure, wherein the upper chord and the lower chord of each truss are C-shaped steel through structures, and connecting through holes are arranged at the assembled hemisphere nodes passing through the upper chord and the lower chord of the truss on the waist center line of the C-shaped steel;

the utility model relates to an assembly type C-shaped steel truss structure, wherein, the two ends of each assembly type tubular web member are provided with internal threads which can form bolt connection with each hemispherical joint;

the utility model relates to an assembled C-shaped steel truss structure, wherein each assembled hemisphere node is two relative hemispheres, and is provided with a middle through hole and a plurality of side through holes;

the utility model relates to an assembled C-shaped steel truss structure, wherein, both ends of each tubular web member used as an inclined web member are connected with the internal threads at both ends of the tubular web member through bolts and the side through holes of each hemispherical joint at the inner side of the truss to form bolts;

the utility model relates to an assembled C shaped steel truss structure, wherein each the bolt passes the middle through-hole of each hemisphere node outside the truss and passes through the through-holes of the C shaped steel upper and lower chord members and passes the middle through-hole of each hemisphere node inside and the internal thread connection at both ends of the tubular web member used as the straight web member, thereby forming the bolt connection of each tubular web member at each truss node through each hemisphere node;

the utility model relates to an assembled C shaped steel truss structure, wherein each the adjustment respectively is used as the length of the cast web member of straight web member and respectively as the length of the cast web member of oblique web member and with chord angle within a definite time, the truss that can make its constitution forms the truss structure of types such as triangle-shaped truss, trapezoidal truss, parabola truss, parallel chord truss.

The utility model relates to an assembled C shaped steel truss structure, its characterized in that: each truss girder chord member is preferably a standardized section bar having a waist form of C-shaped steel or the like, each node of the truss is a buckled hemispherical member disposed at both sides of the waist of the C-shaped steel to constitute the hemispherical node structure, the web member of each truss is a tubular member having internal threads at both ends, the tubular web member corresponding to each buckled hemispherical structure as a diagonal web member is bolted to the inner hemispherical member of each hemispherical node by a bolt, and the tubular web member as a straight web member is bolted to the tubular web member as a straight web member by a bolt passing through the outer hemispherical member of each hemispherical node and through the through hole of each node of the waist of the C-shaped steel and through the inner hemispherical member.

The utility model relates to an assembled C shaped steel truss structure, its characterized in that: the truss formed by the tubular web members can form various truss structures such as a triangular truss, a trapezoidal truss, a parabolic truss, a parallel chord truss and the like by adjusting the specification and the connection angle of each tubular web member or adjusting the specification of each C-shaped steel chord member.

After the scheme of the oil adding device is adopted, the utility model relates to an assembled C shaped steel truss structure, the standardized each of accessible the specification and the angle of connection of cast web member, existing each C shaped steel section bar through the bolt of hemisphere node and corresponding specification, can constitute polytype truss structures such as triangle-shaped truss, trapezoidal truss, parabola truss, parallel chord truss, various accessories or section bar are standardized manufacture craft and can effectively reduce preparation and anticorrosive cost, and no welding has consequently avoided damaging anticorrosive link during the equipment, simple structure simple to operate.

The present invention will be further explained with reference to the drawings and examples.

Drawings

Fig. 1 is a schematic diagram of a truss girder structure of an assembled C-type steel truss structure of the present invention;

FIG. 2 is a three-dimensional schematic view of the truss beam structure;

FIG. 3 is a three-dimensional schematic view of the single piece of upper and lower chord C-section steel;

FIG. 4 is a three-dimensional schematic diagram of parts of diagonal web members and hemispherical nodes of the fabricated C-shaped steel truss structure;

FIG. 5 is an assembled three-dimensional schematic view of the tubular web members and the inner hemispheres of the fabricated C-section steel truss structure;

FIG. 6 is a three-dimensional schematic view of the assembled C-section steel truss structure as an integral truss assembly;

FIG. 7 is an exemplary three-dimensional schematic view of the assembled C-section steel truss structure with the integral trusses assembled into triangular trusses;

Detailed Description

Referring to fig. 1 to 7, the assembled C-shaped steel truss structure of the present invention: the truss comprises an upper chord member 1 and a lower chord member 1 of a truss which are formed by C-shaped steel, an assembled tubular web member 2 and an assembled hemispherical node 3; the truss is characterized in that an upper chord member 1 and a lower chord member 1 of the truss are through structures and penetrate through all assembled hemispherical nodes 3 on the upper chord and the lower chord of the truss, and all assembled tubular web members 2 are in bolted connection with the upper chord member 1 and the lower chord member 1 at all nodes of the truss through all the hemispherical nodes 3; it is also characterized in that: several types of trusses such as a triangular truss, a trapezoidal truss, a parabolic truss, a parallel chord truss and the like can be formed by adjusting the parameter relationship between each upper chord 1 and each lower chord 1 and each tubular web member 2.

Fig. 7 shows an example of a triangular truss structure formed by adjusting the parameter relationship between the upper and lower chords 1 and the tubular web members 2 according to the assembled C-type steel truss structure of the present invention.

Please refer to fig. 5 and fig. 6, which are schematic diagrams of the installation process of the assembled C-shaped steel truss structure of the present invention, the two ends of the tubular web member 2, which is respectively used as the diagonal web member, of the assembled C-shaped steel truss structure of the present invention are bolted to the inner threads 21 at the two ends of the tubular web member 2 through the side through holes 32 of the respective hemispherical nodes 3 inside the truss and the bolts, so as to form the pre-installed diagonal web member. Then, bolts are used for penetrating through the middle through holes 31 of the semi-spherical nodes 3 on the outer side of the truss, penetrating through the connecting through holes 11 of the C-shaped steel upper chord member 1 and the C-shaped steel lower chord member 1 which are penetrated through, penetrating through the middle through holes 31 of the semi-spherical nodes 3 on the inner side, and being connected with the internal threads 21 which are used as the two ends of the straight web rod tubular web member 2, all the tubular web members 2 are connected through the semi-spherical nodes 3 through the bolts on the nodes of the truss, and the installation is completed.

The above-mentioned embodiments are only intended to describe the preferred embodiments of the present invention, but not to limit the scope of the present invention, and various modifications and improvements made by the technical solutions of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the design spirit of the present invention.

Claims

1. An assembled C-shaped steel truss structure comprises upper and lower chords (1) of a truss formed by C-shaped steel, an assembled tubular web member (2) and an assembled hemispherical node (3); the truss is characterized in that the upper chord member (1) and the lower chord member (1) of the truss are of a through structure and penetrate through all the assembled hemispherical nodes (3) on the upper chord and the lower chord of the truss, and all the assembled tubular web members (2) are connected with the upper chord member (1) and the lower chord member (1) through all the hemispherical nodes (3) to form bolt connection at all the nodes of the truss.

2. The fabricated C-type steel truss structure of claim 1, wherein: the upper chord member and the lower chord member (1) of the truss are of a C-shaped steel through structure, and connecting through holes (11) are formed in the positions, on the center line of the waist of the C-shaped steel, of the assembled hemispherical nodes (3) penetrating through the upper chord member and the lower chord member of the truss.

3. The fabricated C-type steel truss structure of claim 1, wherein: internal threads (21) are arranged at two ends of the assembly type tubular web member (2) and can form bolt connection with the hemispherical joints (3).

4. The fabricated C-type steel truss structure of claim 1, wherein: the assembled hemisphere node (3) is two opposite hemispheres and is provided with a middle through hole (31) and a plurality of side through holes (32).

5. The fabricated C-type steel truss structure of claim 1, claim 2, claim 3 or claim 4, wherein: the two ends of the tubular web member (2) used as a straight web member or an inclined web member are provided with internal threads (21).

6. The fabricated C-type steel truss structure of claim 1, claim 2, claim 3 or claim 4, wherein: both ends of a tubular web member (2) serving as a diagonal web member are connected to side through holes (32) of the respective hemispherical joints (3) inside the truss by bolts.

7. The fabricated C-type steel truss structure of claim 1, claim 2, claim 3 or claim 4, wherein: the two ends of a tubular web member (2) used as a straight web member are connected with internal threads (21) at the two ends of the tubular web member (2) through bolts, the bolts penetrate through the middle through holes (31) of the hemispherical joints (3) on the outer side of the truss, penetrate through the connecting through holes (11) of the C-shaped steel upper and lower chords (1) and penetrate through the middle through holes (31) of the hemispherical joints (3) on the inner side, and form the bolt connection of the hemispherical joints (3) on the truss joints of the tubular web members (2).