Prefabricated wallboard connected and reinforced through light steel frame

Abstract

The prefabricated wallboard connected and reinforced through the light steel frame comprises the light steel frame, a horizontal connecting assembly and a wallboard body, the light steel frame comprises a first guide rail, a second guide rail, an end transverse support and an inner transverse support which are arranged in the longitudinal direction of a wall body, and the light steel frame and connecting pieces are both made of cold-formed section steel. The first guide rail and the second guide rail are connected with the connecting pieces in a back-to-back mode through double-row self-tapping screws, the first guide rail and the second guide rail are spliced with the end transverse supports and the inner transverse supports through the connecting pieces, and the inner transverse supports are vertically clamped and fixed between the first guide rail and the second guide rail. The horizontal connecting assembly comprises C-shaped steel and U-shaped steel which are transversely arranged along the wall body, the C-shaped steel is respectively connected with the first guide rail and the second guide rail, one end, extending out of the wall body, of the C-shaped steel is fixed with the U-shaped steel through an automatic screw, and the C-shaped steel is reinforced by adopting a flat steel plate connecting sheet. The device solves the problems that current node connection is tedious and the cost is high.

Description

Technical Field

[0001] The utility model belongs to the technical direction of assembled house construction, and specifically relates to a prefabricated wall panel connected and reinforced by a light steel frame. Background Art

[0002] In the construction process of house, concrete is widely used, and the production methods of wall panels are mainly divided into two categories, one is fully prefabricated or partially prefabricated concrete shear wall, and the other is fully cast-in-place wall panel structure system. Both methods are widely used.

[0003] Although the fully cast-in-place wall panel structure system can meet the basic requirements of earthquake fortification, it has problems such as high consumption of water, steel bars and concrete in on-site construction, large on-site workload and long construction period. In addition, the connection at the node position of this type of wall is mainly achieved by binding and lap jointing of steel bars, mechanical connection or welding. Although this type of connection is simple to operate, it is not reliable and has poor precision. In order to solve these problems of fully cast-in-place wall panels, the main body of the full wall panel is applied to the actual project. This type of wall is first manufactured in the factory and then transported to the construction site for assembly. Although it effectively solves the problems of high resource consumption and long construction period of fully cast-in-place wall panels, the double-row spiral constraint lap joints and single-row grouting sleeve joints used in this type of wall are relatively complex and require workers to have high construction precision, and the construction process is cumbersome.

[0004] In order to solve the above-mentioned problems existing in cast-in-place shear walls, fully prefabricated and partially prefabricated concrete shear walls, a prefabricated concrete wall panel reinforced by light steel frame connection is proposed, which can realize a simple and efficient connection method at the node position, improve the production and installation efficiency, ensure the reliability of the node connection, reduce the deadweight of the wall, and improve the seismic performance. Utility Model Content

[0005] The utility model aims to provide a prefabricated wall panel connected and reinforced by a light steel frame in accordance with the existing device, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the utility model provides the following technical solutions: a prefabricated wall panel connected and reinforced by a light steel frame, comprising a light steel frame, a horizontal connection assembly and a wall panel body, characterized in that: the light steel frame comprises a first guide rail, a second guide rail, an end cross brace and an internal cross brace arranged along the longitudinal direction of the wall, the first guide rail and the second guide rail are connected back to back with a connecting piece by using double-row self-tapping screws, the first guide rail and the second guide rail are spliced ​​with the end cross brace and the internal cross brace through the connecting piece, and the internal cross brace is vertically clamped and fixed between the first guide rail and the second guide rail.

[0007] The utility model further illustrates that the light steel frame and the connecting parts are both made of cold-bent steel.

[0008] The utility model further describes that the horizontal connection assembly includes C-shaped steel and U-shaped steel arranged laterally along the wall, the C-shaped steel is respectively connected to the first guide rail and the second guide rail, and one end of the C-shaped steel extending out of the wall is fixed to the U-shaped steel by automatic screws and reinforced with a flat steel plate connecting piece.

[0009] The utility model further describes that one end of the C-shaped steel extending out of the wall is fixed to the U-shaped steel by an automatic screw and is reinforced by a flat steel plate connecting piece.

[0010] The utility model further describes that the wall panel body includes two concrete slabs arranged in parallel, the two concrete slabs are connected by a light steel frame, and the webs of the first guide rail and the second guide rail coincide with the inner surfaces of the concrete slabs on both sides.

[0011] The utility model further describes that the first guide rail and the second guide rail are both embedded in the concrete slabs on both sides, and the upper and lower ends of the first guide rail and the second guide rail extend beyond the two sides of the concrete slabs. The first guide rail and the second guide rail extend out of the two sides of the concrete slabs, and the two are fixed by end cross braces with self-tapping screws, and the horizontal connection components of the two wall pieces are connected by self-tapping screws to achieve horizontal connection between the walls.

[0012] Compared with the prior art, the beneficial effects achieved by the utility model are: the utility model,

[0013] (1) By providing a light steel frame, after the prefabricated panels on both sides are connected by the light steel frame, no cast-in-place concrete is required inside. The synergistic effect between the light steel frames can improve the lateral stiffness of the wall, reduce the amount of concrete, and reduce the deadweight of the structure, thereby improving the seismic performance of the wall;

[0014] (2) The reliability of node connection is ensured by providing connecting parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the light steel frame structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the structure of the horizontal connection assembly of the utility model;

[0019] In the figure, 1 is a light steel frame; 2 is a horizontal connection assembly; 3 is a wall panel body; 4 is a connection piece; 5 is a first guide rail; 6 is a second guide rail; 7 is an end cross brace; 8 is an internal cross brace; 9 is a C-shaped steel; 10 is a U-shaped steel; and 11 is a concrete slab. DETAILED DESCRIPTION

[0020] The following is a further non-limiting detailed description of the technical solution of the utility model in conjunction with the preferred embodiments and the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-3 The utility model provides a technical solution: a prefabricated wall panel connected and reinforced by a light steel frame, comprising a light steel frame 1, a horizontal connection assembly 2 and a wall panel body 3, the light steel frame 1 comprising a first guide rail 5, a second guide rail 6, an end cross brace 7 and an internal cross brace 8 arranged along the longitudinal direction of the wall, and the light steel frame 1 and the connection member 4 are both made of cold-formed steel;

[0022] The first guide rail 5 and the second guide rail 6 are connected back to back with the connecting piece 4 by double-row self-tapping screws. The first guide rail 5 and the second guide rail 6 are spliced ​​with the end cross brace 7 and the internal cross brace 8 through the connecting piece 4. The internal cross brace 8 is vertically clamped and fixed between the first guide rail 5 and the second guide rail 6;

[0023] The horizontal connection assembly 2 includes a C-shaped steel 9 and a U-shaped steel 10 arranged transversely along the wall, the C-shaped steel 9 is connected to the first guide rail 5 and the second guide rail 6 respectively, and one end of the C-shaped steel 9 extending outside the wall is fixed to the U-shaped steel 10 by an automatic screw and reinforced by a flat steel plate connecting piece;

[0024] The wall panel body 3 includes two parallel concrete slabs 11, which are connected by a light steel frame 1, and the webs of the first guide rail 5 and the second guide rail 6 overlap with the inner surfaces of the concrete slabs 11 on both sides;

[0025] The first guide rail 5 and the second guide rail 6 are both embedded in the concrete slabs 11 on both sides, and the upper and lower ends of the first guide rail 5 and the second guide rail 6 extend beyond the two sides of the concrete slab 11. The first guide rail 5 and the second guide rail 6 extend out of the two sides of the concrete slab 11, and are fixed therebetween by end cross braces 7 with self-tapping screws. The horizontal connection components 2 of the two wall pieces are connected by self-tapping screws to achieve horizontal connection between the walls.

[0026] Working principle: When the prefabricated wall panel connected and reinforced by the light steel frame 1 is manufactured and used, first select the cross-sectional dimensions of the first guide rail 5, the second guide rail 6, the end cross brace 7, the internal cross brace 8, and the connector 4 and the self-tapping screw model according to the design requirements, determine the position of each light steel frame 1 according to the design requirements, determine the position and spacing of the first guide rail 5, the second guide rail 6, and the end cross brace 7 of each light steel frame 1, determine the number and position of the internal cross brace 8, and use self-tapping screws to connect each connector 4 to the web of the first guide rail 5 and the second guide rail 6 back to back at the position where the cross brace is set, and locate the horizontal connection components 2 on both sides of the wall; determine the number and layout direction of the horizontal connection components 2 according to the wall structure form of each floor, connect each C-shaped steel 9 to each guide rail back to back and then use flat steel sheets to reinforce it, then use self-tapping screws to connect and fix the U-shaped steel 10 to the C-shaped steel 9 on both sides to make the wall panel reinforcement skeleton, and connect the first The guide rail 5 and the second guide rail 6 are placed at corresponding positions, and concrete is poured in the mold so that the embedding depth of the first guide rail 5 and the second guide rail 6 in the concrete is the width of the flange. After the concrete slabs 11 on both sides reach the strength, the end cross braces 7 and the internal cross braces 8 are vertically clamped and fixed in the middle of each connecting piece 4, so that the two parallel concrete slabs 11 are spliced ​​into one body to form a prefabricated part of the wall. The formed prefabricated part of the wall is transported to the site, and after the upper and lower wall panels are butt-jointed, they are connected and fixed by the end cross braces 7 of the light steel frame 1. The walls located on the same floor usually have "I-shaped", "T-shaped" or "L-shaped" structural forms, which are butt-jointed by the horizontal connection components 2 on both sides of the wall panels, connected by bolts and self-tapping screws, and then UHPC is cast in place to achieve a simple and efficient connection method at the node position, improve the production and installation efficiency, ensure the reliability of the node connection, and reduce the dead weight of the wall, so as to improve the seismic performance.

[0027] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0028] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the utility model, rather than to limit them. Although the utility model is described in detail with reference to the above embodiments, a person skilled in the art should understand that the technical solutions described in the above embodiments can still be modified, or some of the technical features can be replaced by equivalents, and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the utility model.

Claims

1. A prefabricated wall panel connected and reinforced by a light steel frame, comprising a light steel frame (1), a horizontal connection assembly (2) and a wall panel body (3), characterized in that: The light steel frame (1) comprises a first guide rail (5), a second guide rail (6), an end cross brace (7) and an internal cross brace (8) arranged along the longitudinal direction of the wall; the first guide rail (5) and the second guide rail (6) are connected back to back with a connecting piece (4) by using double-row self-tapping screws; the first guide rail (5) and the second guide rail (6) are spliced ​​with the end cross brace (7) and the internal cross brace (8) through the connecting piece (4); and the internal cross brace (8) is vertically clamped and fixed between the first guide rail (5) and the second guide rail (6).

2. The prefabricated wall panel connected and reinforced by a light steel frame according to claim 1, characterized in that: The light steel frame (1) and the connecting piece (4) are both made of cold-bent steel.

3. The prefabricated wall panel connected and reinforced by a light steel frame according to claim 2, characterized in that: The horizontal connection assembly (2) comprises a C-shaped steel (9) and a U-shaped steel (10) arranged transversely along the wall, the C-shaped steel (9) being connected to the first guide rail (5) and the second guide rail (6) respectively, and one end of the C-shaped steel (9) extending outside the wall being fixed to the U-shaped steel (10) by an automatic screw and reinforced by a flat steel plate connecting piece.

4. The prefabricated wall panel connected and reinforced by a light steel frame according to claim 3, characterized in that: One end of the C-shaped steel (9) extending outside the wall is fixed to the U-shaped steel (10) by means of automatic screws and is reinforced by means of a flat steel plate connecting piece.

5. The prefabricated wall panel connected and reinforced by a light steel frame according to claim 4, characterized in that: The wall panel body (3) comprises two parallel concrete panels (11), the two concrete panels (11) are connected via a light steel frame (1), and the webs of the first guide rail (5) and the second guide rail (6) overlap with the inner surfaces of the concrete panels (11) on both sides.

6. The prefabricated wall panel connected and reinforced by a light steel frame according to claim 5, characterized in that: The first guide rail (5) and the second guide rail (6) are both embedded in the concrete slabs (11) on both sides, and the upper and lower ends of the first guide rail (5) and the second guide rail (6) extend out of the two sides of the concrete slab (11). The first guide rail (5) and the second guide rail (6) extend out of the two sides of the concrete slab (11), and are fixed by self-tapping screws through the end cross braces (7). The horizontal connection components (2) of the two wall bodies are connected by the self-tapping screws to achieve horizontal connection between the walls.

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