CN207959498U - Assembled light steel structure residential system - Google Patents

Abstract

The utility model relates to the field of prefabricated buildings, and discloses a prefabricated light steel structure residential system, which includes a main frame, a composite wall and a floor slab, the main frame includes a square steel pipe column and a square steel pipe beam, a square steel pipe column and a square steel pipe beam The semi-rigid connection method is adopted; the composite wall includes a frame structure composed of several parallel C-shaped vertical keels, two U-shaped horizontal keels and supporting steel belts, and the inner and outer surfaces of the frame structure are installed with cover panels; both sides The C-shaped vertical keel is fixedly connected to the square steel pipe column, the upper U-shaped horizontal keel is fixedly connected to the square steel pipe beam, and the lower U-shaped horizontal keel is fixedly connected to the floor. The utility model adopts the structural form of "frame + combined wall". The lateral force resistance system of the structure is completed by the supporting steel belt. The whole structure has two anti-lateral force systems, which can effectively resist wind and earthquake.

Description

Prefabricated light steel structure residential system

technical field

The utility model relates to the field of assembled buildings, in particular to an assembled light steel structure residential system.

Background technique

The structural systems currently used in high-rise steel structure residences mainly include frame support systems and frame shear wall systems. The structural system used for multi-storey steel structure residences is mainly frame structure. Traditional frame structure columns are used as components to bear vertical loads. Usually, the cross-section of the columns is relatively large, resulting in "fat beams and fat columns" and convex corners in the interior. At the same time, the above-mentioned structural systems commonly used at present require large-scale factory processing, a large amount of welding, and high installation and transportation costs.

The light-weight steel structure buildings commonly used in my country mainly adopt dense-ribbed load-bearing structures composed of cold-formed thin-walled steel. However, due to its light weight and weak lateral stiffness, it is currently mainly used in low-rise residential buildings; at the same time, the original The current practice is to process cold-formed thin-walled steel in the factory and then transport it to the site for installation. Due to the variety of sizes and specifications, the installation efficiency is low, and the installation quality and accuracy are not easy to guarantee.

Utility model content

The main purpose of the utility model is to solve the above problems and provide a light-weight steel structure residential system that can meet the seismic requirements of multi-storey residential structures and has a high degree of assembly.

In order to achieve the above purpose, the prefabricated light steel structure residential system of the present invention includes a main frame, a combined wall and a floor,

The main frame includes square steel pipe columns and square steel pipe beams, and the square steel pipe columns and square steel pipe beams adopt semi-rigid connection;

The composite wall includes a frame structure composed of several parallel C-shaped vertical keels, two U-shaped horizontal keels and supporting steel belts, and the inner and outer surfaces of the frame structure are installed with cover panels;

The opening direction of the C-shaped vertical keel on both sides is opposite, the opening direction of the C-shaped vertical keel in the middle is the same as that of the C-shaped vertical keel on one side, the opening directions of the upper and lower U-shaped horizontal keels are opposite, and the C-shaped vertical keel The keel is fixedly connected with the U-shaped horizontal keel; the four corners of the frame structure are respectively fixed with connecting backing plates, and the supporting steel belt is connected with the two connecting backing plates and the C-shaped vertical keel in the middle along the diagonal direction of the frame structure. The vertical keels are filled with insulation materials; the C-shaped vertical keels on both sides are fixedly connected to the square steel pipe columns, the upper U-shaped horizontal keel is fixedly connected to the square steel pipe beams, and the lower U-shaped horizontal keel is fixedly connected to the floor.

Further, the square steel pipe column and the square steel pipe beam are connected by angle steel connectors and groove connectors. The groove connector includes a web and two flange plates perpendicular to the web. The web and the square steel pipe column are connected by self-tapping screws. Connection, the flange plates on both sides are connected with the left and right side walls of the square steel pipe beam by self-tapping screws, and the upper and lower side walls of the square steel pipe beam are respectively connected with the square steel pipe column by self-tapping screws through angle steel connectors.

Further, the upper U-shaped horizontal keel is connected to the square steel pipe beam through an H-shaped connector. The H-shaped connector includes two parallel side plates and a horizontal plate vertically connecting the two side plates. The U-shaped horizontal keel and the square steel pipe beam They are respectively inserted into the two openings of the H-shaped connector, and connected with the two side plates of the H-shaped connector by self-tapping screws.

Further, the connectors are pre-embedded in the floor, and the U-shaped horizontal keel below is fixedly connected to the floor through the pre-embedded connectors.

Further, the C-shaped vertical keel on the side is connected to the square steel pipe column through a groove-type connector. The groove-type connector includes a web and two flange plates perpendicular to the web. Between the keel and the square steel pipe column, the C-shaped vertical keel, the web of the groove connector and the square steel pipe column are connected by self-tapping screws.

The utility model has the following beneficial effects:

(1) The utility model adopts the structural form of "frame + combined wall". The frame columns and frame beams are all made of square steel pipes, and a unified whole is formed between the frame columns and frame beams, which avoids the low-rise cold bending in the traditional sense In the thin-walled steel structure residence, the "column breaks through the beam" and the steel column foot is hinged, which improves the overall stability of the structure.

(2) The composite wall formed by the frame structure, cover panels and self-tapping screws fully considers the skin effect produced by the cover panels on the wall, greatly improving the strength and rigidity of the structure itself, so that the supporting steel belt Withstands less pulling force. At the same time, the combined wall and floor form a structural system with sufficient integrity, which greatly increases the lateral stiffness of the structure and can effectively resist wind and earthquake effects.

(3) The beams, columns and walls of the utility model are all thin-walled steel, the weight of the components is light, and the installation and transportation are convenient. At the same time, the steel pipe columns, steel pipe beams and composite walls are all processed in the workshop and transported to the site for installation without welding. Operation, high degree of assembly.

Description of drawings

Fig. 1 is a structural schematic diagram of a square steel pipe column and a square steel pipe beam;

Figure 2 is an exploded view of Figure 1;

Fig. 3 is a schematic diagram of the composite wall structure;

Fig. 4 is a top view of the connection structure between the C-shaped vertical keel and the square steel pipe column;

Fig. 5 is a left view of the U-shaped horizontal keel and square steel pipe beam connection structure;

Fig. 6 is a schematic diagram of a connection structure between a U-shaped horizontal keel and a floor;

Wherein, the above drawings include the following reference signs: 1, square steel pipe column; 2, square steel pipe beam; 3, angle steel connector; 4, groove connector; 5, web; 6, flange plate; 7, C 8. U-shaped horizontal keel; 9. Supporting steel belt; 10. Connection plate; 11. H-shaped connector; 12. Connector; 13. Floor slab.

Detailed ways

Below in conjunction with accompanying drawing, the utility model is further described.

The prefabricated light steel structure residential system of the utility model includes a main body frame, a composite wall and a floor slab,

As shown in Figure 1 and Figure 2, the main frame includes square steel pipe columns 1 and square steel pipe beams 2, and the square steel pipe columns and square steel pipe beams adopt a semi-rigid connection method; The angle steel connector 3 is connected with the groove connector 4. The groove connector includes a web 5 and two flange plates 6 perpendicular to the web. The web and the square steel pipe column are connected by self-tapping screws. The flanges on both sides The left and right side walls of the plate and the square steel pipe beam are connected by self-tapping screws, and the upper side wall and the lower side wall of the square steel pipe beam are respectively connected with the square steel pipe column by self-tapping screws through angle steel connectors.

The wall thickness of steel pipe columns and steel pipe beams is between 1.5mm-3mm, and the steel pipe beams and steel pipe columns are equal in width; the thickness of angle steel connectors and groove connectors is 3-5mm, and the leg length of angle steel connectors and groove connectors The flange width is 80mm-150mm.

As shown in Figure 3, the combined wall includes a frame structure composed of several C-shaped vertical keels 7 parallel to each other, two U-shaped horizontal keels 8 and supporting steel belts 9. Cover panels are installed on the inner and outer surfaces of the frame structure. .

The opening direction of the C-shaped vertical keel on both sides is opposite, the opening direction of the C-shaped vertical keel in the middle is the same as that of the C-shaped vertical keel on one side, the opening directions of the upper and lower U-shaped horizontal keels are opposite, and the C-shaped vertical keel The keel is fixedly connected to the U-shaped horizontal keel, and the distance between the C-shaped vertical keels is 400mm-600mm; the four corners of the frame structure are respectively fixed with connection pads 10, and the supporting steel belts are sequentially connected with the two along the diagonal direction of the frame structure. The connecting backing plate is connected with the C-shaped vertical keel in the middle, the thickness of the supporting steel belt is 2mm-3mm, and the width is 150mm-200mm; the space between the C-shaped vertical keels is filled with insulation materials.

As shown in Figure 4, the C-shaped vertical keel on both sides is connected to the square steel pipe column through a grooved connector. The grooved connector includes a web and two flange plates perpendicular to the web. The grooved connector is located at C Between the C-type vertical keel and the square steel pipe column, the C-shaped vertical keel, the web of the groove connector and the square steel pipe column are connected by self-tapping screws.

As shown in Figure 5, the upper U-shaped horizontal keel is connected to the square steel pipe beam through the H-shaped connector 11. The H-shaped connector includes two parallel side plates and a horizontal plate vertically connecting the two side plates. The U-shaped horizontal keel The square and square steel pipe beams are respectively inserted into the two openings of the H-shaped connector, and are respectively connected with the two side plates of the H-shaped connector by self-tapping screws. The length of the H-shaped connector is 100mm-200mm, and the width of the side plate of the H-shaped connector is twice the width of the upper U-shaped horizontal keel flange.

As shown in FIG. 6 , the connector 12 is pre-embedded in the floor 13 , and the U-shaped horizontal keel below is fixedly connected to the floor through the pre-embedded connector.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (5)

1. a kind of assembled light system of steel residential structure, which is characterized in that including main body frame, assembled wall and floor (13),

Main body frame includes quadrate steel pipe column (1) and square steel tube beam (2), and quadrate steel pipe column (1) and square steel tube beam (2) use semi-rigid company Connect mode；

Assembled wall includes by several c-type vertical keels (7) being mutually parallel, upper and lower two single u-shaped horizontal keel (8) and supporting steel The frame structure of band (9) composition, the surfaces externally and internally of frame structure are equipped with cover plank；

C-type vertical keel (7) opening direction of two sides is opposite, and intermediate c-type vertical keel (7) and the c-type of a side are vertical Keel (7) opening direction is identical, and the opening direction of upper and lower two single u-shaped horizontal keel (8) is opposite, c-type vertical keel (7) with it is U-shaped Horizontal keel (8) is fixedly connected；Connection backing plate (10) is respectively fixed on the quadrangle of frame structure, supporting steel band (9) is along frame Structure diagonal is connect with the c-type vertical keel (7) of two connection backing plates (10) and centre successively, c-type vertical keel (7) Between be filled with thermal insulation material；The c-type vertical keel (7) of both sides is fixedly connected with quadrate steel pipe column (1), the U-shaped horizontal dragon of top Bone (8) is fixedly connected with square steel tube beam (2), and the U-shaped horizontal keel (8) of lower section is fixedly connected with floor (13).

2. assembled light system of steel residential structure according to claim 1, which is characterized in that quadrate steel pipe column (1) and side Steel tubular beam (2) is connected by angle iron connecting piece (3) and tank-type connecting component (4), and tank-type connecting component (4) includes web (5) and and abdomen Two pieces of vertical flange plates (6) of plate (5), web (5) pass through self-drilling connection, the flange plate (6) of both sides with quadrate steel pipe column (1) For left and right sidewall with square steel tube beam (2) by self-drilling connection, the upper side wall and lower wall of square steel tube beam (2) pass through angle respectively Steel fastener (3) uses self-drilling connection with quadrate steel pipe column (1).

3. assembled light system of steel residential structure according to claim 1, which is characterized in that the U-shaped horizontal dragon of top Bone (8) is connect by H-type connector (11) with square steel tube beam (2), and H-type connector (11) includes two blocks of parallel side plates and vertical The transverse slat of two blocks of side plates is connected, U-shaped horizontal keel (8) and square steel tube beam (2) are inserted into two openings of H-type connector (11) respectively In, pass through self-drilling connection with two blocks of side plates of H-type connector (11).

4. assembled light system of steel residential structure according to claim 1, which is characterized in that pre-buried company in floor (13) The U-shaped horizontal keel (8) of fitting (12), lower section is fixedly connected by pre-buried connector (12) with floor (13).

5. assembled light system of steel residential structure according to claim 1, which is characterized in that the c-type of side is vertically imperial Bone (7) is connect with quadrate steel pipe column (1) by tank-type connecting component (4), and tank-type connecting component (4) includes web (5) and hangs down with web (5) Two pieces of straight flange plates (6), tank-type connecting component (4) are located between c-type vertical keel (7) and quadrate steel pipe column (1), and c-type is vertically imperial Bone (7), the web (5) of tank-type connecting component (4) and quadrate steel pipe column (1) pass through self-drilling connection.