CN216238972U

CN216238972U - Multilayer steel structure frame

Info

Publication number: CN216238972U
Application number: CN202122953620.5U
Authority: CN
Inventors: 刘紫军; 李梦君; 王岩; 姚鑫; 徐慧慧
Original assignee: Henan Dafang Heavy Equipment Co Ltd
Current assignee: Henan Dafang Heavy Equipment Co Ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-04-08
Anticipated expiration: 2031-11-29

Abstract

The utility model provides a multi-layer steel structure frame, which comprises 2-3 layers, wherein a floor is arranged between each layer, the frame comprises a plurality of steel columns, steel main beams and steel secondary beams, the steel main beams and the steel secondary beams on the same layer are vertical, the steel columns are vertically arranged, the vertical intersection point of the steel secondary beams and the steel main beams on the top layer is fixedly connected with the upper ends of the steel columns, and the steel columns penetrate through the vertical intersection point of the steel secondary beams and the steel main beams on the middle layer and are fixedly connected; the lower end of the steel column adopts an embedded column base. This multilayer steel structure frame is used for the building field, adopts mill's preparation, building site assembled installation, has replaced traditional reinforced concrete wet work, not only green, also effectively shortens construction period.

Description

Multilayer steel structure frame

Technical Field

The utility model relates to the field of buildings, in particular to a multi-layer steel structure frame.

Background

In recent years, with economic development, the demands of various industrial plants are increasing day by day, and the traditional plant structure for wet operation of reinforced concrete is difficult to meet the rapidly increasing industrial demands due to the defects of long construction period and large pollution.

In order to solve the above problems, people are always seeking an ideal technical solution.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art, and provides a multi-layer steel structure frame.

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

a multi-layer steel structure frame is provided, the frame is 2-3 layers, a floor slab is arranged between every two layers, the frame comprises a plurality of steel columns, steel main beams and steel secondary beams, the steel main beams and the steel secondary beams on the same layer are vertical, the steel columns are vertically arranged, the vertical intersection point of the steel secondary beams and the steel main beams on the top layer is fixedly connected with the upper ends of the steel columns, and the steel columns penetrate through the vertical intersection point of the steel secondary beams on the middle layer and the steel main beams and are fixedly connected; the lower end of the steel column adopts an embedded column base.

Based on the above, the end of the steel secondary beam is connected with the connecting plate of the steel main beam through the high-strength bolt, and the floor slab is welded to the upper flange plate of the steel secondary beam through the stud.

Based on the above, the floor includes the die block and sets up last atress muscle, lower atress muscle, web reinforcement, the distribution reinforcing bar on the die block, and wherein, the web reinforcement is located between atress muscle and the lower atress muscle, and the distribution reinforcing bar evenly sets up in the web reinforcement clearance.

Based on the above, the embedded column base comprises a concrete foundation, a concrete short column is arranged on the concrete foundation, and the lower end of the steel column extends into the concrete short column to be connected with the concrete foundation.

Based on the above, the lower extreme of steel column sets up the column bottom plate, sets up 4 foundation bolts on the column bottom plate, and each foundation bolt is connected with the concrete foundation, is provided with C40 no shrink pea gravel concreten secondary between column bottom plate and the concrete foundation and waters the layer.

Based on the above, the part that the steel column stretches into concrete short column evenly sets up the resistance to plucking peg, bury formula column base still including setting up in the stirrup of concrete foundation and concrete short column.

Compared with the prior art, the utility model has substantive characteristics and progress, and particularly provides a multi-layer steel structure frame. This multilayer steel structure frame is used for the building field, adopts mill's preparation, building site assembled installation, has replaced traditional reinforced concrete wet work, not only green, also effectively shortens construction period.

Drawings

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

Fig. 2 is a schematic structural view of the embedded column shoe of the present invention.

Fig. 3 is a schematic view of the structure of the floor slab of the present invention.

Fig. 4 is a schematic view of the structure of the floor slab of the present invention.

Fig. 5 is a schematic structural view of the connection of the steel columns, the main steel beams and the secondary steel beams in the utility model.

In the figure: 1. a steel column; 2. a steel secondary beam; 3. a floor slab; 4. a concrete foundation; 5. a concrete short column; 6. anchor bolts; 7. a column base plate; 8. c40 secondary pouring layer of non-shrinkage fine stone concrete; 9. anti-pulling studs; 10. an upper stress rib; 11. a lower stress rib; 12. distributing reinforcing steel bars; 13. abdominal muscle; 14. bottom die; 15. and (4) a pin.

Detailed Description

The technical solution of the present invention is further described in detail by the following embodiments.

As shown in fig. 1-5, the framework has 2-3 layers, a floor slab 3 is arranged between each layer, the framework comprises a plurality of steel columns 1, steel main beams and steel secondary beams 2, the steel main beams and the steel secondary beams 2 on the same layer are vertical, the steel columns 1 are vertically arranged, the vertical intersection point of the steel secondary beams 2 and the steel main beams on the top layer is fixedly connected with the upper end of each steel column 1, and the steel columns 1 penetrate through the vertical intersection point of the steel secondary beams 2 and the steel main beams on the middle layer and are fixedly connected; the lower end of the steel column 1 adopts an embedded column base. Preferably, the connection structures of the steel columns, the steel main beams and the steel secondary beams are relatively close to each other, the connection structures of the steel columns, the steel main beams and the steel secondary beams refer to the attached drawing 5, for convenience of connection, the steel main beams and the steel secondary beams can be provided with connection plates, and the arc striking base plates are adopted for welding in a construction site for specific welding.

This multilayer steel structure frame is used for the building field, adopts mill's preparation, building site assembled installation, has replaced traditional reinforced concrete wet work, not only green, also effectively shortens construction period. Preferably, the steel column base adopts an embedded type base, the steel column is embedded into the concrete column to a depth of about 1.3m,

preferably, the end of the steel secondary beam 2 is connected with the connecting plate of the steel main beam through a high-strength bolt, and the floor slab 3 is welded on the upper flange plate of the steel secondary beam 2 through a stud 15 to realize the connection between the floor slab and the steel secondary beam.

Preferably, the floor slab 3 includes a bottom die 14 and an upper stress bar 10, a lower stress bar 11, a web bar 13 and a distribution steel bar 12 which are arranged on the bottom die 14, wherein the web bar 13 is located between the upper stress bar 10 and the lower stress bar 11, and the distribution steel bar 12 is uniformly arranged in a gap between the web bars 13. Preferably, the bottom die is made of galvanized steel plate with the thickness of 0.5 mm.

Preferably, the embedded column base comprises a concrete foundation 4, a concrete short column 5 is arranged on the concrete foundation 4, and the lower end of the steel column 1 extends into the concrete short column 5 to be connected with the concrete foundation 4.

Preferably, the lower end of the steel column 1 is provided with a column bottom plate 7, the column bottom plate 7 is provided with 4 foundation bolts 6, each foundation bolt 6 is connected with the concrete foundation 4, and a C40 non-shrinkage fine-stone concrete secondary pouring layer 8 is arranged between the column bottom plate 7 and the concrete foundation 4. Specifically, the anchor bolts are locked by double nuts, and are welded in a surrounding mode after the anchor bolt gaskets are installed, and the anchor bolts are made of Q235B; and after the steel column is positioned and installed, performing secondary pouring by using C40 non-shrinkage fine-stone concrete.

Preferably, the part of the steel column 1 extending into the concrete short column 5 is uniformly provided with anti-pulling studs 9, and the friction connection with the concrete is enhanced by welding the anti-pulling studs on the steel column body embedded in the concrete column; the embedded column foot also comprises stirrups arranged on the concrete foundation 4 and the concrete short column 5. Preferably, the anti-plucking pegs d =19mm, with a spacing of 100 mm.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to preferred embodiments, those skilled in the art will understand that: modifications to the specific embodiments of the utility model or equivalent substitutions for parts of the technical features may be made; without departing from the spirit of the present invention, it is intended to cover all aspects of the utility model as defined by the appended claims.

Claims

1. A multilayer steel structure frame which is characterized in that: the frame is 2-3 layers, a floor slab is arranged between every two layers, the frame comprises a plurality of steel columns, steel main beams and steel secondary beams, the steel main beams and the steel secondary beams on the same layer are vertical to each other, the steel columns are vertically arranged, the vertical intersection point of the steel secondary beams and the steel main beams on the top layer is fixedly connected with the upper ends of the steel columns, and the steel columns penetrate through the vertical intersection point of the steel secondary beams and the steel main beams on the middle layer and are fixedly connected; the lower end of the steel column adopts an embedded column base.

2. The multi-layered steel structural frame of claim 1, wherein: the end of the steel secondary beam is connected with the connecting plate of the steel main beam through a high-strength bolt, and the floor slab is welded to the upper flange plate of the steel secondary beam through a bolt.

3. The multi-layered steel structural frame as set forth in claim 1 or 2, wherein: the floor slab comprises a bottom die and an upper stress rib, a lower stress rib, a web rib and a distribution reinforcing steel bar which are arranged on the bottom die, wherein the web rib is positioned between the upper stress rib and the lower stress rib, and the distribution reinforcing steel bar is uniformly arranged in a web rib gap.

4. The multi-layered steel structural frame as set forth in claim 1 or 2, wherein: the embedded column foot comprises a concrete foundation, a concrete short column is arranged on the concrete foundation, and the lower end of the steel column extends into the concrete short column to be connected with the concrete foundation.

5. The multi-layered steel structural frame of claim 4, wherein: the lower extreme of steel column sets up the column bottom plate, and the column bottom plate sets up 4 foundation bolts, and each foundation bolt is connected with the concrete foundation, is provided with C40 no shrink pea gravel concreten secondary between column bottom plate and the concrete foundation and waters the layer.

6. The multi-layered steel structural frame of claim 4, wherein: the steel column stretches into the part of concrete short column evenly and sets up the resistance to plucking peg, bury formula column base still including setting up in the stirrup of concrete foundation and concrete short column.