CN218493185U

CN218493185U - Steel structure house frame

Info

Publication number: CN218493185U
Application number: CN202222571929.2U
Authority: CN
Inventors: 刘术金; 邱同波; 王鹏奎
Original assignee: Weifang Jinyi Steel Structural Engineering Technical Advisory Co ltd
Current assignee: Weifang Jinyi Steel Structural Engineering Technical Advisory Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-02-17
Anticipated expiration: 2032-09-27

Abstract

The utility model discloses a steel house room frame relates to steel construction building technical field. The steel structure house frame comprises a plurality of steel columns and a plurality of steel beams, the steel beams are welded between every two adjacent steel columns, a pre-stress device is arranged on each steel beam and comprises a supporting structure and a tensioning structure, the supporting structure is arranged on each steel beam, and the tensioning structure is tensioned between the supporting structure and the two ends of each steel beam. The utility model discloses steel house room frame has improved the bearing capacity comprehensively, has thoroughly solved the not enough problem of bearing capacity and stability.

Description

Steel structure house frame

Technical Field

The utility model relates to a steel construction building technical field, concretely relates to steel house room frame.

Background

When the bearing capacity of the steel structure house frame can not meet the stress requirement and needs to be reinforced due to the increase of photovoltaic facilities or the increase of loads for other reasons, a section increasing method, an inclined support increasing method and a steel member steel sticking method are generally adopted for reinforcement.

Although the various reinforcing methods can play a certain reinforcing role, the problems of large construction quantity and incapability of comprehensively improving the bearing capacity and stability of the steel structure house frame generally exist, and the problems of insufficient bearing capacity and stability of the steel structure house frame still cannot be solved.

SUMMERY OF THE UTILITY MODEL

To the above defect that prior art exists, the utility model provides a steel house room frame, this steel house room frame have improved the bearing capacity comprehensively, have thoroughly solved the not enough problem of bearing capacity and stability.

In order to solve the technical problem, the utility model discloses a technical scheme is:

the steel structure house frame comprises a plurality of steel columns and a plurality of steel beams, the steel beams are welded between every two adjacent steel columns, a pre-stress device is arranged on each steel beam and comprises a supporting structure and a tensioning structure, the supporting structure is arranged on each steel beam, and the tensioning structure is tensioned between the supporting structure and the two ends of each steel beam.

The supporting structure comprises a main supporting rod, the upper end of the main supporting rod is fixed on the lower flange plate of the steel beam through an upper connecting assembly, and a lower connecting assembly used for being connected with the tensioning structure is arranged at the lower end of the main supporting rod.

The upper connecting assembly comprises a first clamping plate and two L-shaped second clamping plates, the first clamping plate is fixedly arranged at the end part of the main supporting rod, the two second clamping plates are symmetrically arranged on two sides of the steel beam, one edge of each of the two second clamping plates is fixed on a web plate of the steel beam, and the other edge of each of the two second clamping plates is fixedly connected with the first clamping plate respectively so as to clamp the lower flange plate to realize connection with the steel beam.

The steel structure house frame further comprises a plurality of steel purlins vertically welded to the steel beams, and the supporting structure further comprises corner braces connected between the main supporting rods and the steel purlins.

The lower connecting assembly comprises two third clamping plates connected through a locking structure, one of the third clamping plates is arranged at the end of the main supporting rod, and the two third clamping plates are matched with each other to clamp the tensioning structure.

Wherein, the third splint correspond the tip slope setting of tensioning texture.

The tensioning structure comprises a stay cable and two connecting pieces, the two connecting pieces are arranged on the webs at the two ends of the steel beam respectively, one end of the stay cable is fixed on one of the connecting pieces, and the other end of the stay cable penetrates through the supporting structure and is fixed on the other connecting piece.

Wherein, the cable passes through the cable connector with the connecting piece is connected.

The tensioning structures are arranged in two sets, and the two tensioning structures are symmetrically arranged on two sides of the steel beam.

The inhaul cable comprises a steel strand, a steel wire rope, a prestressed threaded steel bar and section steel.

Adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

the utility model provides a steel house frame, through increase prestressing force device on the girder steel, tensioning bearing structure and girder steel are come through prestressing force device's straining structure, make girder steel and prestressing force device form a space stabilization system, have improved the bearing capacity of girder steel comprehensively, have reduced the amount of deflection of roofing, have improved stability and security, have thoroughly solved the not enough problem of steel house frame bearing capacity and stability, and simultaneously, prestressing force that prestressing force device applyed has increased steel house frame's bulk rigidity, has reduced the atress of steel column and basis, the utility model discloses steel house frame's steel column and basis generally do not need to be consolidated, very big reduction for the reinforcement steel volume and reinforcement cost.

Drawings

FIG. 1 is a schematic structural view of a steel house frame according to the present invention;

FIG. 2 is an enlarged view of the installation of the main strut in section A of FIG. 1;

FIG. 3 is a schematic view of the installation of the angle brace in the steel house frame of the present invention;

FIG. 4 is an enlarged view of portion B of FIG. 1;

FIG. 5 is a schematic view of another perspective of FIG. 4;

in the figure: 1. a steel column; 2. a steel beam; 21. an upper flange plate; 22. a web; 23. a lower flange plate; 3. a main stay bar; 4. a first splint; 5. a second splint; 6. a steel purline; 7. a corner brace; 8. a third splint; 9. a cable; 10. a connecting member; 11. a cable connector.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the following detailed description of the present invention is made with reference to the accompanying drawings and examples, and it should be understood that the specific examples described herein are only for the purpose of explaining the present invention and are not intended to limit the present invention.

As shown in fig. 1 to 5 jointly, the steel house frame comprises a plurality of steel columns 1 and a plurality of steel beams 2, the steel beams 2 are welded between the two adjacent steel columns 1, the steel beams 2 are provided with prestress devices, each prestress device comprises a supporting structure and a tensioning structure, the supporting structures are arranged on the steel beams 2, and the tensioning structures are tensioned between the two ends of the supporting structures and the two ends of the steel beams 2. The number of the supporting structures is generally two or three per span, and the number of the supporting structures in this embodiment is two.

The supporting structure in this embodiment includes main stay bar 3, and main stay bar 3's upper end is fixed on the lower flange board 23 of girder steel 2 through last coupling assembling, and main stay bar 3's lower extreme is provided with the lower coupling assembling that is used for being connected with the tensioning structure.

Last coupling assembling in this embodiment includes the second splint 5 of first splint 4 and two L shapes, the fixed welding of first splint 4 is at the tip of main stay bar 3, two second splint 5 symmetrical arrangement are in the both sides of girder steel 2, and one of them limit of two second splint 5 passes through high strength bolt to be fixed on the web 22 of girder steel 2, the another side of two second splint 5 respectively with first splint 4 through high strength bolt fixed connection with the lower flange board 23 realization of pressing from both sides tight girder steel 2 with girder steel 2. By adopting the structure, the bearing capacity of the steel beam 2 is not damaged, the welding is not needed on site, the stress is clear, and the construction is convenient.

The steel structure house frame in this embodiment further includes a plurality of steel purlins 6, the steel purlins 6 are vertically welded on the upper flange plates 21 of the steel beams 2, and the support structure further includes a corner brace 7 connected between the main brace 3 and the steel purlins 6 through bolts. Through the arrangement of the angle brace 7, the prestress device and the steel beam 2 form a space stabilizing system, and the bearing capacity and the stability of the steel beam 2 are further improved.

The two angle braces 7 are symmetrically arranged on two opposite sides of the main supporting rod 3, and by adopting the structure, the two sides of the main supporting rod 3 are uniformly and reliably stressed, and the stability is improved.

The main support rod 3 and the corner support 7 in this embodiment can be made of angle steel, channel steel or steel pipe, which is specifically selected according to actual requirements, but this embodiment is not limited thereto.

The lower connecting assembly in the embodiment comprises two third clamping plates 8 connected through a locking structure, wherein one third clamping plate 8 is welded at the end part of the main supporting rod 3, and the two third clamping plates 8 are mutually matched for clamping a guy cable 9 of a tensioning structure.

The locking structure in this embodiment is preferably a high-strength bolt, and in practical application, a common bolt having the same strength may also be used, which is not limited in this embodiment.

The tensioning structure in this embodiment includes cable 9 and two connecting pieces 10, and two connecting pieces 10 pass through high strength bolt setting respectively on the web 22 at girder steel 2 both ends, and one end of cable 9 is fixed on one of them connecting piece 10, and the other end of cable 9 passes the clearance of two third splint 8 of lower coupling assembling and fixes on another connecting piece 10.

The cable 9 in this embodiment is connected to the link 10 by a cable connector 11.

The inhaul cable 9 in the embodiment comprises a steel strand, a steel wire rope, a prestressed threaded steel bar and section steel, the inhaul cable connector 11 can adopt an UT wire clamp, an anchorage device and the like, a designer can select one of the UT wire clamp and the anchorage device according to requirements, and the inhaul cable connector is not limited in the embodiment.

In order to prevent the two third clamping plates 8 from wearing the cable 9 when clamping the cable 9, the two third clamping plates 8 are obliquely arranged corresponding to the end parts of the cable 9.

In order to ensure that the two sides of the steel beam 2 are stressed uniformly and reliably, the tensioning structures are arranged into two sets in the embodiment, and the two sets of tensioning structures are symmetrically arranged on the two sides of the steel beam 2.

When the steel beam is installed, the main supporting rod 3 is installed on the steel beam 2, the two angle braces 7 are installed between the main supporting rod 3 and the steel purline 6, then the inhaul cable 9 is installed, and the inhaul cable 9 is not clamped by the two third clamping plates 8 when installed.

After the installation of the inhaul cable 9 is completed, prestress tensioning is applied, and then the inhaul cable 9 is clamped through the lower connecting assembly. After all the working procedures are finished, the tensioning structures and the lower connecting assemblies are checked one by one again, and the connection is ensured to be safe and reliable.

To sum up, the utility model discloses steel house frame has improved the bearing capacity of girder steel comprehensively, has reduced the amount of deflection of roofing, has improved stability and security, has thoroughly solved the not enough problem of steel house frame bearing capacity and stability, has increased steel house frame's bulk rigidity simultaneously, has reduced the atress of steel column and basis.

The present invention is not limited to the above specific embodiments, and those skilled in the art can make various changes without creative work from the above conception, and all the changes fall within the protection scope of the present invention.

Claims

1. The steel structure house frame comprises a plurality of steel columns and a plurality of steel beams, the steel beams are welded between two adjacent steel columns, and the steel structure house frame is characterized in that a prestress device is arranged on each steel beam,

the prestress device comprises a supporting structure and a tensioning structure, wherein the supporting structure is arranged on the steel beam, and the tensioning structure is tensioned between the supporting structure and two ends of the steel beam.

2. A steel structural building frame as claimed in claim 1 wherein the support structure includes a main strut, the upper end of which is secured to the lower flange plate of the steel beam by an upper connection assembly, the lower end of which is provided with a lower connection assembly for connection to the tensioning structure.

3. The steel house frame of claim 2, wherein the upper connection assembly comprises a first clamping plate and two L-shaped second clamping plates, the first clamping plate is fixedly arranged at the end of the main supporting rod, the two second clamping plates are symmetrically arranged at two sides of the steel beam, one edge of each of the two second clamping plates is fixed on the web of the steel beam, and the other edge of each of the two second clamping plates is fixedly connected with the first clamping plate to clamp the lower flange plate to realize the connection with the steel beam.

4. The steel structural house frame of claim 2, further comprising a plurality of steel purlins welded perpendicularly to the steel beams, the support structure further comprising a gusset connected between the main support bar and the steel purlins.

5. A steel structural room frame as claimed in claim 2 wherein said lower connector assembly includes two third clamping plates connected by a locking formation, one of said third clamping plates being provided at the end of said main strut, and both said third clamping plates co-operating to clamp said tensioning formation.

6. The steel structural room frame of claim 5 wherein said third clamp plate is angled to correspond to an end of said tension structure.

7. A steel structural building frame as claimed in claim 1 wherein said tensioning means includes a cable and two connectors, said connectors being respectively provided on webs at the two ends of said steel beam, one end of said cable being secured to one of said connectors and the other end of said cable passing through said support means and being secured to the other of said connectors.

8. A steel house frame according to claim 7, in which the guy cables are connected to the connectors by guy cable connectors.

9. A steel structural building frame as claimed in claim 7 in which there are two sets of tension formations, the two tension formations being symmetrically located on either side of the steel beam.

10. The steel structural building frame of claim 7, wherein said guy cable comprises steel strands, wire rope, prestressed rebar, and section steel.