CN206174127U - Assembled steel construction - Google Patents

Abstract

The utility model relates to an architectural engineering technology field discloses an assembled steel construction to improve assembled steel construction's anti side ability, thereby improve the bearing capacity and the stability of building. This assembled steel construction is including the parallel many stands of erectting, level setting and connection the multichannel crossbeam of many stands to and correspond the K type support frame of the junction setting of every stand and per pass crossbeam, and wherein, every K type support frame includes vertical supporting rod and two diagonal braces, every vertical setting of vertical supporting rod and both ends are connected with the crossbeam that corresponds respectively, two diagonal braces and vertical supporting rod are the setting of K type, and every diagonal brace one end connects in the vertical supporting rod middle part, and the other end is connected with the stand.

Description

An assembled steel structure

technical field

The utility model relates to the technical field of construction engineering, in particular to an assembled steel structure.

Background technique

The industrialization of new buildings takes the prefabricated production of components and prefabricated construction as the production mode, and is characterized by standardization of design, componentization of components, and mechanization of construction. A sustainable new construction production method that maximizes life cycle value. The industrialization of new construction with fast construction speed and high degree of integration will be the focus of the development of my country's construction industry in the future.

For the industrialization of new buildings, the prefabricated structural system of the building is very important. It must not only meet the prefabrication of components and construction mechanization to facilitate construction assembly, but also maintain sufficient strength and building function requirements. Due to the heterogeneity of residential units and the irregular wall layout, it is difficult for the frame column network of the existing fabricated steel structure to form a systematic lateral force resistance system, and it is difficult to find a suitable layout position for the support. Moreover, the section of the steel column is greater than the thickness of the wall, often Protruding pillars and positive corners appear at the four corners of the room, which affects the use and function of the interior building.

Utility model content

The utility model provides an assembled steel structure to improve the lateral resistance of the assembled frame structure, thereby improving the bearing capacity and stability of the building, and meeting the needs of flexible layout of building functions.

In order to achieve the above object, the utility model provides the following technical solutions:

A prefabricated steel structure, comprising a plurality of vertical columns erected in parallel, a plurality of crossbeams arranged horizontally and connected to the plurality of vertical columns, and a K-shaped support frame corresponding to the connection between each vertical column and each crossbeam, wherein, Each K-shaped support frame includes a vertical brace and two diagonal braces. Each vertical brace is vertically arranged and its two ends are respectively connected to the corresponding beams. The two diagonal braces and vertical braces are arranged in a K shape. , and one end of each diagonal brace is connected to the middle of the vertical brace, and the other end is connected to the column.

Optionally, the plurality of columns include rectangular steel pipe columns, circular steel pipe columns, rectangular steel pipe concrete columns, circular steel pipe concrete columns, I-shaped steel columns, cross-shaped steel columns, double-slot steel columns or L-shaped, T-shaped and well-shaped special-shaped composite cross-section steel columns, each beam is an I-shaped steel beam.

Preferably, the connection between the side of the column and the cross beam has a cross beam connection end, and the section of the cross beam connection end is I-shaped.

Optionally, when the column is a rectangular steel pipe or concrete filled steel tube, an inner ring plate or an outer ring plate can be provided on the column at the connection between the connecting end of the beam and the column; The flange side connecting plate is arranged together, and the sum of the width of the flange plate at the connecting end of the beam and the thickness of the two flange side connecting plates is not greater than the side length of the section of the column.

Optionally, when the upright column is a circular steel pipe or a circular steel pipe concrete, an inner ring plate or an outer ring plate is provided on the upright column at the connection between the beam connection end and the upright column.

Optionally, when the column is an I-shaped steel column, a cross-shaped steel column, a double-slot steel column, or an L-shaped, T-shaped, or well-shaped steel column with a special-shaped composite section, the connection between the connecting end of the beam and the column Set the transverse partition on the column.

Preferably, each crossbeam is connected to the cross-section flange of the crossbeam connection end by butt welding, and each crossbeam is connected to the web of the crossbeam connection end through a connecting plate bolt.

Preferably, a connection part is provided at the connection between each diagonal brace and the column, and the connection part includes a T-shaped end plate and an ear plate, the T-shaped end plate is connected to the corresponding diagonal brace, and the ear plate is connected to each The connecting ends of the crossbeams of the two vertical columns are connected, and the T-shaped end plate and the ear plate are hinged through pin shafts.

Preferably, the connection between each cross beam and the vertical brace is connected by bolts on the end plate of the vertical rod, and a stiffener is provided on the web of the cross beam corresponding to the connection between each cross beam and the vertical brace.

Optionally, the diagonal braces and vertical braces include circular steel pipes, rectangular steel pipes, I-shaped steel supports, T-shaped steel supports, L-shaped steel supports, channel-shaped steel supports, cross-shaped steel supports, damper supports or Anti-buckling braces.

The assembled steel structure provided by the embodiment of the utility model includes a plurality of vertical columns erected in parallel, a plurality of beams arranged horizontally and connected to the multiple columns, and a K-shaped support provided at the connection between each column and each beam shelf. The vertical struts of the K-shaped support frame are arranged vertically and the two ends are respectively connected with the corresponding beams. The two diagonal struts and the vertical struts are arranged in a K shape, and one end of each diagonal strut is connected to the middle of the vertical strut, and the other is connected to the middle of the vertical strut. One end is connected to the column, which can improve the lateral resistance of the assembled frame structure, avoiding the buckling and collapse of the steel column caused by the diagonal brace acting on the middle of the column, thereby improving the bearing capacity and stability of the building, and solving the problem of the male angle of the convex column.

Description of drawings

Fig. 1 is a structural schematic diagram of an assembled steel structure provided by an embodiment of the utility model;

Fig. 2 is a partial structural schematic diagram of an assembled steel structure provided by an embodiment of the present invention;

Fig. 3 is a partial structural schematic diagram 1 of an assembled steel structure provided by another embodiment of the utility model;

Fig. 4 is a partial structural schematic diagram 2 of the assembled steel structure provided by another embodiment of the utility model;

Fig. 5 is a third schematic diagram of the partial structure of the fabricated steel structure provided by another embodiment of the present invention.

Reference signs:

1-column

2-beam

3-K type support frame

31-Vertical brace

32-diagonal strut

33- vertical bar end plate

4-Beam connection end

5- Flange side connecting plate

6-connection plate

7- Connection parts

71-T type end plate

72-ear plate

73-pin shaft

8- Stiffener

detailed description

In order to improve the lateral resistance of the assembled steel structure, improve the bearing capacity and stability of the building, and adapt to the functional requirements of the building, the embodiment of the utility model provides an assembled steel structure. In order to make the purpose, technical solutions and advantages of the utility model clearer, the following examples are given to further describe the utility model in detail.

Referring to Fig. 1 and Fig. 2, the assembled steel structure provided by an embodiment of the utility model includes a plurality of vertical columns 1 erected in parallel, multiple beams 2 arranged horizontally and connected to the plurality of vertical columns 1, and corresponding to each The K-shaped bracing frame 3 provided at the junction of the column 1 and every crossbeam 2, wherein each K-shaped bracing frame 3 includes a vertical brace 31 and two diagonal braces 32, and each vertical brace 31 is vertically arranged and The two ends are respectively connected to the corresponding beams 2, the two diagonal struts 32 and the vertical struts 31 are arranged in a K shape, and one end of each diagonal strut 32 is connected to the middle of the vertical strut 31, and the other end is connected to the column 1 .

The assembled steel structure provided by the embodiment of the utility model includes a plurality of vertical columns erected in parallel, a plurality of beams arranged horizontally and connected to the multiple columns, and a K-shaped support provided at the connection between each column and each beam shelf. The vertical struts of the K-shaped support frame are arranged vertically and the two ends are respectively connected with the corresponding beams. The two diagonal struts and the vertical struts are arranged in a K shape, and one end of each diagonal strut is connected to the middle of the vertical strut, and the other is connected to the middle of the vertical strut. One end is connected to the column, which can support the column laterally when the assembled steel structure is subjected to lateral force in the horizontal direction, improving the lateral resistance of the assembled steel structure, thereby improving the bearing capacity and stability of the building.

In the embodiment of the utility model, there is no specific limitation on the columns, including rectangular steel tube columns, circular steel tube columns, rectangular steel tube concrete columns, circular steel tube concrete columns, I-shaped steel columns, cross-shaped steel columns, and double-groove steel columns Or L-shaped, T-shaped, well-shaped and other special-shaped composite cross-section steel columns can be selected according to actual conditions during construction, so as to improve the scope of application of the steel structure of the present utility model. Preferably, each beam is an I-beam beam. The I-beam beam can reduce the consumption of steel and the self-weight of the steel structure while ensuring good bearing strength, thereby reducing the cost and service life.

In a specific embodiment of the present invention, the column 1 is a rectangular steel pipe column, and the beam 2 is an I-shaped steel beam. As shown in FIG. 3 , the connection between the side of the rectangular steel pipe column 1 and the crossbeam 2 has a crossbeam connection end 4 , and the cross-section of the crossbeam connection end 4 is I-shaped. The setting of the connecting end 4 of the beam makes the connection between the column 1 and the beam 2 more convenient and easy to realize, and the connection strength is also higher. Flange-side connecting plates 5 are attached to both sides of the flange plate at the joint between the beam connecting end 4 and the rectangular steel pipe column 1 . The setting of the connecting plate 5 on the flange side can ensure that the force of the beam 2 is effectively transmitted to the column 1, and the column 1 does not need to be provided with an inner transverse partition, the joint method is simple, and it is conducive to pouring concrete inside. When the rectangular steel pipe column is poured with concrete, the column is a rectangular steel pipe concrete, and the rectangular steel pipe concrete as a column can further improve the strength and bearing capacity of the column and even the steel structure.

In the assembled steel structure of the embodiment of the utility model, the cross-sectional size of each beam and the connecting end of the beam is consistent, and the sum of the width of the flange plate and the thickness of the two flange-side connecting plates is not greater than the side length of the section of the rectangular steel pipe column. The setting of the width of the flange plate and the thickness of the connecting plate on the flange side can fully ensure that the connection between the beam and the column is not affected by the size, thereby improving the assembly efficiency of the fabricated steel structure.

Further, as shown in FIG. 4 , the sections of each crossbeam 2 and crossbeam connection end 4 are connected by butt welding, and the webs of each crossbeam 2 and crossbeam connection end 4 are connected by connecting plate 6 bolts. The rigid connection strength of the column 1 and the beam 2 is guaranteed.

In another specific embodiment of the utility model, the upright column is a circular steel pipe, and an inner ring plate or an outer ring plate is arranged on the upright column at the joint between the beam connection end and the upright column. Setting the inner ring plate or the outer ring plate on the column can further improve the strength and bearing capacity of the column and even the steel structure. Wherein, the inner ring plate is a ring structure reinforcing plate arranged on the inner side of the circular steel pipe, and the outer ring plate is a ring structure strengthening plate arranged on the outside of the circular steel pipe; the column in this embodiment can also be a circular steel pipe concrete, that is Circular steel pipe filled with concrete.

In another preferred embodiment of the present invention, the column is an I-shaped steel column, a cross-shaped steel column, a double-slot steel column or an L-shaped, T-shaped, well-shaped special-shaped steel column with a cross-section, and the connecting end of the beam and the column The connection is provided with a transverse partition on the column. In this embodiment, suitable columns are selected according to the actual construction environment, and the arrangement of the diaphragm can further improve the strength and bearing capacity of the columns and even the steel structure.

In yet another embodiment of the present utility model, as shown in FIG. 5 , a connection part 7 is provided at the connection between each diagonal brace 32 and the column 1, and the connection part 7 includes a T-shaped end plate 71 and an ear plate 72. The T-shaped The end plate 71 is connected to the corresponding diagonal brace 32 , the ear plate 72 is connected to the crossbeam connection end 4 of each column 1 , and the T-shaped end plate 71 and the ear plate 72 are hinged by a pin 73 . The setting method of the connecting part 7 is simple, easy to construct, does not require high precision, has the ability to fine-tune the K-shaped support frame by itself, and further improves the assembly efficiency.

Further, as shown in FIG. 5 , the connection between each beam 2 and the vertical strut 31 is connected by a vertical rod end plate 33 bolts, and the corresponding beam web at the connection between each beam 2 and the vertical strut 31 is provided with stiffeners. Rib 8. The vertical rod end plate can make the connection between the K-shaped support frame and the cross beam more firm, and the setting of the stiffener improves the structural strength of the connection between the vertical strut and the cross beam.

The embodiment of the utility model does not specifically limit the selection of the diagonal braces and vertical braces of the assembled steel structure. The diagonal braces and vertical braces may include round steel pipes, square steel pipes, I-shaped steel supports, T-shaped steel Supports, L-shaped steel supports, channel-shaped steel supports, cross-shaped steel supports, and energy-dissipating shock-absorbing components such as damper supports and anti-buckling supports. Energy-dissipating and shock-absorbing components are to install energy absorbers in structural components, artificially increase structural damping, and consume the vibration energy of structural components when they encounter impacts, thereby reducing the vibration response of structures and improving the seismic performance of structural components.

In the embodiment of the present utility model, the method of connection node at the connection end of the column and the beam needs to be determined according to the section form of the column. The specific selection reference is as follows: when the column is a rectangular steel pipe or rectangular concrete filled steel pipe, the connection between the beam connection end and the column can be provided with an inner ring plate or an outer ring plate on the column; it can also be installed on both sides of the flange plate at the beam connection end The connecting plate on the flange side, and the sum of the width of the flange plate at the connecting end of the beam and the thickness of the two connecting plates on the flange side is not greater than the side length of the section of the column. When the column is a circular steel pipe or a circular steel tube concrete, an inner ring plate or an outer ring plate is arranged on the column at the joint between the beam connection end and the column. When the columns are I-shaped rigid columns, cross-shaped rigid columns, double-groove steel columns, and L-shaped, T-shaped, well-shaped special-shaped steel columns, the connection between the beam connection end and the column is provided with a transverse partition on the column .

Apparently, those skilled in the art can make various changes and modifications to the embodiments of the utility model without departing from the spirit and scope of the utility model. In this way, if these modifications and variations of the utility model fall within the scope of the claims of the utility model and equivalent technologies thereof, the utility model is also intended to include these modifications and variations.

Claims (10)

1. A prefabricated steel structure, characterized in that it comprises a plurality of vertical columns erected in parallel, horizontally arranged and connected multi-channel crossbeams of the plurality of vertical columns, and a K that corresponds to the connection between each column and each crossbeam. Type support frame, wherein, each K-type support frame includes a vertical brace and two diagonal braces, each vertical brace is vertically arranged and its two ends are respectively connected with corresponding beams, and the two diagonal braces and vertical braces The struts are arranged in a K shape, and one end of each diagonal strut is connected to the middle of the vertical strut, and the other end is connected to the column. 2. The fabricated steel structure according to claim 1, wherein the plurality of columns include rectangular steel pipe columns, circular steel pipe columns, rectangular steel pipe concrete columns, circular steel pipe concrete columns, I-shaped steel columns, cross I-shaped steel columns, double-groove steel columns or L-shaped, T-shaped, well-shaped special-shaped composite cross-section steel columns, each beam is an I-shaped steel beam. 3 . The fabricated steel structure according to claim 2 , wherein the connection between the side of the column and the beam has a beam connection end, and the cross-section of the beam connection end is I-shaped. 4 . 4. The fabricated steel structure according to claim 3, characterized in that, when the column is a rectangular steel pipe or concrete filled steel tube, the connection between the beam connection end and the column can be provided with an inner ring plate or an outer ring plate on the column. ring plate; or attach the flange side connecting plate on both sides of the flange plate at the beam connecting end, and the sum of the width of the flange plate at the connecting end of the beam and the thickness of the two flange side connecting plates shall not be greater than the section side length of the column . 5. The fabricated steel structure according to claim 3, characterized in that, when the column is a circular steel pipe or a circular concrete filled steel tube, an inner ring plate or outer ring plate. 6. The fabricated steel structure according to claim 3, characterized in that, when the column is an I-shaped steel column, a cross-shaped steel column, a double-slot steel column, or an L-shaped, T-shaped, or well-shaped special-shaped combination In the case of cross-section steel columns, a transverse diaphragm is arranged on the column at the connection between the connecting end of the beam and the column. 7. The fabricated steel structure according to claim 3, wherein each beam is connected to the cross-section flange at the connecting end of the beam by butt welding, and the web of each beam and the connecting end of the beam passes through Connecting plate bolted connection. 8. The fabricated steel structure according to claim 1, characterized in that a connection part is provided at the connection between each diagonal brace and the column, and the connection part includes a T-shaped end plate and an ear plate, and the T-shaped end The plates are connected to the corresponding diagonal braces, the lugs are connected to the connecting ends of the beams of each column, and the T-shaped end plates and the lugs are hinged through pins. 9. The fabricated steel structure according to claim 1, characterized in that the connection between each beam and the vertical brace is connected by a vertical rod end plate bolt, and the corresponding beam web at the connection between each beam and the vertical brace There are stiffeners on it. 10. The fabricated steel structure according to any one of claims 1-9, characterized in that, the diagonal braces and vertical braces include circular steel pipes, square steel pipes, I-shaped steel supports, T-shaped steel supports , L-shaped steel braces, channel-shaped steel braces, cross-shaped steel braces, damper braces or anti-buckling braces.