Steel column module, fabricated steel structure, prefabricated shear wall and modular building

Abstract

The embodiment of the utility model provides a steel column module, an assembly type steel structure, a prefabricated shear wall and a modular building, and relates to the field of modular assembly type buildings. The steel column module comprises a latticed column and a core column, the latticed column comprises a first end and a second end which are opposite, the core column is fixed to the first end of the latticed column and protrudes out of the end face of the first end, a guide cone structure is arranged at the end, away from the latticed column, of the core column and comprises a large end and a sharp end which are opposite, the large end is fixed to the core column, and the sharp end is fixed to the core column in the direction from the large end to the sharp end. And the width size of the guide cone structure is gradually reduced. The prefabricated shear wall comprises a shear wall body and two steel column modules, the shear wall body is provided with a containing cavity, the two steel column modules are fixedly connected to the two sides, in the length direction, of the shear wall body, and the shear wall body and the two steel column modules define a wall cavity used for cast-in-place concrete. The steel column module formed by the latticed column and the core column and the shear wall body form the wall body cavity, and concrete in the steel column module and the shear wall body is communicated after being poured, so that the shear resistance of a vertical interface is improved.

Description

Technical Field

[0001] The present application relates to the technical field of modular prefabricated buildings, and in particular to steel column modules, prefabricated steel structures, prefabricated shear walls and modular buildings. Background Art

[0002] In existing modular prefabricated buildings, the prefabricated shear walls on both upper and lower floors include steel column modules, which are connected by plugging. After the modules are connected, cement is poured into the cavity of the prefabricated shear wall. Once the cement solidifies, the upper and lower floors are securely connected.

[0003] At present, when the upper and lower layers of steel column modules are plugged in, the problem of misalignment easily occurs, which leads to low plugging efficiency and low plugging quality. Utility Model Content

[0004] In order to solve the above problems, the purpose of the embodiments of the present invention is to provide a steel column module, an assembled steel structure, a prefabricated shear wall and a modular building.

[0005] In the first aspect, an embodiment of the present invention provides a steel column module, comprising a lattice column and a core column, wherein the lattice column comprises a first end and a second end relative to each other; the core column is fixed to the first end of the lattice column, and the core column protrudes from the end face of the first end; a guide cone structure is provided at the end of the core column away from the lattice column, the guide cone structure comprises a large end and a tip relative to each other, the large end is fixed to the core column, and the width dimension of the guide cone structure gradually decreases along the direction from the large end to the tip.

[0006] Furthermore, the guide cone structure includes a first triangular member and a second triangular member, and the first triangular member and the second triangular member each include a vertex and a bottom surface corresponding to the vertex;

[0007] A first plugging groove is formed on the bottom surface of the first triangular member along the height line direction, and a second plugging groove is formed on the top corner of the second triangular member along the height line direction, and the width of the first plugging groove is adapted to the thickness of the second triangular member, and the width of the second plugging groove is adapted to the thickness of the first triangular member;

[0008] The first triangular piece and the second triangular piece are plugged into each other through the first plugging slot and the second plugging slot to form a guide cone structure with a cross-shaped cross section.

[0009] Furthermore, the distance between the bottom of the second plug-in slot and the bottom surface of the second triangular piece is a first dimension, the depth of the first plug-in slot is a second dimension, and the first dimension is equal to the second dimension.

[0010] Furthermore, the distance between the bottom of the first plug-in slot and the top angle of the first triangle is a third dimension, the depth of the second plug-in slot is a fourth dimension, and the third dimension is greater than the fourth dimension.

[0011] Furthermore, the first triangular member and the second triangular member further include side surfaces connected to the top corner and the bottom surface respectively, and the connection positions of the side surfaces and the bottom surface are chamfered.

[0012] Furthermore, the guide cone structure includes a cone body and ribs fixed to the circumference of the cone body. There are multiple ribs, and the multiple ribs are distributed around the circumference of the cone body. The width of the ribs gradually decreases from the large end to the tip.

[0013] Furthermore, the core column includes a steel pipe, a connecting plate and a plurality of shear-resistant transverse ribs, the guide cone structure is fixed to one end of the steel pipe, the plurality of shear-resistant transverse ribs are sequentially spaced along the axial direction of the steel pipe and sleeved on the outer wall of the steel pipe, the connecting plate is fixed to the outer wall of the steel pipe and is located at an end away from the guide cone structure, and the connecting plate is fixedly connected to the first end of the lattice column.

[0014] Furthermore, the steel pipe is square steel, the shear-resistant transverse rib is a rectangular hollow steel plate, the rectangular hollow steel plate is sleeved on the square steel, and the cavity width of the rectangular hollow steel plate is adapted to the outer width of the square steel.

[0015] Furthermore, the core column includes a connecting rib and a plurality of parallel inserted ribs;

[0016] The connecting ribs are arranged in groups at intervals along the axial direction of the core column, and each group includes a plurality of welding ribs, the number of which is the same as the number of the inserted ribs. The welding ribs and the inserted ribs are arranged in an annular manner at intervals, and the welding ribs are fixedly connected between two adjacent inserted ribs to connect the plurality of inserted ribs into one body.

[0017] The guide cone structure is fixed to one end of the inserted reinforcement, and a radially extending limiting reinforcement is fixed to the outer wall of the inserted reinforcement. The limiting reinforcement is fixedly connected to the first end of the lattice column.

[0018] Furthermore, one end of the inserted bar away from the guide cone structure is welded to an anchor bar, and one end of the core column having the welded anchor bar is inserted into the lattice column.

[0019] Furthermore, the lattice column includes a gusset plate and a plurality of parallel angle steels, and the plurality of parallel angle steels are sequentially spaced and arranged in a circular pattern;

[0020] There are multiple groups of the gusset plates, which are arranged in sequence along the axial direction of the lattice column. Each group includes multiple steel plates with the same number as the angle steels. The steel plates and the angle steels are arranged in sequence in a ring, and the steel plates are fixedly connected between two adjacent angle steels to connect the multiple angle steels into one. The core column is fixed to the first end of the angle steel.

[0021] Furthermore, it also includes an inner lining, which is fixed to the inner wall of the angle steel and located at the second end of the angle steel, and a shear steel bar is protruding from the side of the inner lining away from the angle steel.

[0022] Furthermore, the number of the inner liners is the same as the number of the angle steels, the inner liners and the angle steels are arranged in a circle with intervals therebetween, and the inner liners are fixedly connected between two adjacent angle steels.

[0023] Furthermore, the lattice column also includes a connecting lining, which is fixed to the first end of the angle steel and fixedly connects two adjacent parallel angle steels. The end of the core column away from the guide cone structure is fixedly connected to the connecting lining, and the multiple groups of connecting plates are fixed to the middle section of the angle steel in sequence along the axial direction.

[0024] Furthermore, the connecting lining is provided with a limiting groove along the axial direction, the core column includes a steel pipe, a connecting plate and a plurality of shear-resistant transverse ribs, the plurality of shear-resistant transverse ribs are sequentially and spaced apart along the axial direction of the steel pipe on the outer wall of the steel pipe, the connecting plate is fixed to the outer wall of the steel pipe and is located at one end away from the shear-resistant transverse ribs, the connecting plate is inserted into the limiting groove and fixedly connected to the connecting lining.

[0025] Furthermore, the first end and / or the second end of the angle steel are plug-welded.

[0026] In the second aspect, an embodiment of the present invention also provides an assembled steel structure, comprising at least two of the above-mentioned steel column modules, wherein the at least two steel column modules include a lower steel column module and an upper steel column module, the second end of the lattice column of the upper steel column module is sleeved on the core column of the lower steel column module, and the second end of the lattice column of the upper steel column module is abutted against the first end of the lattice column of the lower steel column module.

[0027] In a third aspect, an embodiment of the present invention further provides a prefabricated shear wall, comprising:

[0028] a shear wall body, the shear wall body having a receiving cavity; and

[0029] Two steel column modules are fixedly connected to both sides of the shear wall body along the length direction, and the shear wall body and the two steel column modules enclose a wall cavity for cast-in-place concrete.

[0030] Furthermore, the shear wall body includes a fiber cement board and a steel cage, and the steel cage includes a plurality of connectors;

[0031] The fiber cement boards are arranged on both sides of the steel cage along the width direction, the connector is arranged perpendicularly relative to the fiber cement boards, and both ends of the connector are fixedly connected to the fiber cement boards.

[0032] Furthermore, the steel cage further comprises a first steel mesh and a second steel mesh arranged in parallel, wherein the first steel mesh and the second steel mesh each comprise a plurality of horizontal steel bars arranged side by side and a plurality of vertical steel bars arranged side by side, wherein the horizontal steel bars and the vertical steel bars are arranged crosswise to form a grid shape;

[0033] The connector is vertically arranged on the first steel mesh and the second steel mesh and is located at the intersection of the horizontal steel bars and the vertical steel bars. The first end of the connector is fixed to the first steel mesh, and the second end of the connector is fixed to the second steel mesh.

[0034] Furthermore, both ends of the horizontal steel bars are bent to form bent sections, and the bent sections are fixedly connected to the lattice columns of the steel column module.

[0035] Furthermore, the connector includes a U-shaped bending part and a clip, the U-shaped bending part includes a connecting body and a first folded body and a second folded body located at both ends of the connecting body, the clip is fixed to the connecting body, and is respectively engaged with the first steel mesh and the second steel mesh;

[0036] The first folded body and the second folded body are respectively matched with the inner wall of the fiber cement board and fixed by a locking member.

[0037] Furthermore, the connector includes a connecting body, an end plate and a clip;

[0038] The connecting body includes at least two parallel and spaced-apart steel bars, the end plates are fixed to both ends of the connecting body, and the end plates and the ends of the connecting body form a T-shaped structure, the end plates at both ends respectively cooperate with the inner wall of the fiber cement board and are fixed by locking members;

[0039] The clip is fixed to the connecting body and is respectively engaged with the first steel mesh and the second steel mesh.

[0040] In a fourth aspect, an embodiment of the present invention further provides a modular building, including a steel column module, an assembled steel structure or a prefabricated shear wall.

[0041] This application has the following beneficial effects:

[0042] In the solution provided in the first aspect of the embodiment of the present utility model, by adopting the structure of the lattice column, after the concrete is poured on site in the later stage, the concrete in the lattice column and the concrete in the wall cavity of the shear wall are continuous, and are fixed into an integrated structure after cooling, which is beneficial to improving the vertical shear bearing capacity at the interface between the steel column module and the shear wall body; and it can reduce the amount of steel used and reduce construction costs. By setting a guide cone structure at the end of the core column away from the lattice column, and the width of the guide cone structure gradually decreases from the large end to the tip. When the upper and lower prefabricated shear walls are assembled, the upper and lower steel column modules can be quickly aligned by the guide cone structure. The guide cone structure plays the role of guiding and limiting, which can improve the plug-in efficiency while ensuring the plug-in quality. The steel column module has a wide range of applications, strong applicability, and is easy to operate. After pouring concrete, the connection with the shear wall body is more firm.

[0043] In the solution provided in the second aspect of the embodiment of the present utility model, the assembled steel structure has the beneficial effects of the above-mentioned steel column module.

[0044] In the solution provided in the third aspect of the embodiment of the present utility model, the prefabricated shear wall has the beneficial effects of the above-mentioned steel column module.

[0045] In the solution provided in the fourth aspect of the embodiment of the present invention, the modular building has the beneficial effects of the above-mentioned steel column module. BRIEF DESCRIPTION OF THE DRAWINGS

[0046] The drawings described herein are used to provide further understanding of the present application and constitute a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute improper limitations on the present application.

[0047] Figure 1 A structural diagram showing a first structure of a steel column module provided by an embodiment of the present utility model is shown;

[0048] Figure 2 A schematic structural diagram of a first structure of a guide cone structure in a steel column module provided by an embodiment of the present utility model is shown;

[0049] Figure 3 The figure shows an exploded schematic diagram of the guide cone structure in the steel column module provided by the embodiment of the present utility model;

[0050] Figure 4 A schematic structural diagram of a second guide cone structure in a steel column module provided by an embodiment of the present utility model is shown;

[0051] Figure 5 A structural diagram showing a first structure of a core column in a steel column module provided by an embodiment of the present utility model is shown;

[0052] Figure 6 Shown Figure 5 Cross-sectional view of the core column at AA;

[0053] Figure 7 A schematic structural diagram showing a second structure of the core column in the steel column module provided by an embodiment of the present utility model is shown;

[0054] Figure 8 A structural diagram showing a first structure of a lattice column in a steel column module provided by an embodiment of the present utility model is shown;

[0055] Figure 9 A structural schematic diagram showing a second structure of a lattice column in a steel column module provided by an embodiment of the present utility model is shown;

[0056] Figure 10 A schematic structural diagram of the inner lining in the lattice column of the steel column module provided by an embodiment of the present utility model is shown;

[0057] Figure 11 A schematic structural diagram of a connecting liner plate in a lattice column of a steel column module provided by an embodiment of the present utility model is shown;

[0058] Figure 12 A schematic structural diagram of an assembled steel structure provided by an embodiment of the present utility model is shown;

[0059] Figure 13 A schematic structural diagram of a prefabricated shear wall provided by an embodiment of the present utility model is shown;

[0060] Figure 14 A structural schematic diagram showing a first structure of a connector in a prefabricated shear wall provided by an embodiment of the present utility model is shown;

[0061] Figure 15 、 16 A structural schematic diagram of a second structure of a connector in a prefabricated shear wall provided by an embodiment of the present utility model is shown.

[0062] Icons: 100-steel column module; 010-lattice column; 011-angle steel; 012-stitch plate; 013-lining; 015-shear reinforcement; 017-connecting lining plate; 0172-limiting groove; 020-core column; 0210-inserted reinforcement; 0212-connecting reinforcement; 0213-welded reinforcement; 0215-limiting reinforcement; 0217-anchor reinforcement; 022-steel pipe; 023-connecting plate; 025-shear transverse rib; 030-guide cone structure; 0302-top angle; 0305-bottom surface; 031- First triangular piece; 0315-first plug-in slot; 035-second triangular piece; 0355-second plug-in slot; 0371-cone body; 0375-rib plate; 200-assembled steel structure; 201-lower steel column module; 205-upper steel column module; 300-prefabricated shear wall; 301-shear wall body; 302-fiber cement board; 303-rebar cage; 3030-connector; 3032-U-shaped bending piece; 3034-clip; 3035-connecting body; 3036-end plate. DETAILED DESCRIPTION

[0063] In order to make the technical solutions and advantages of the embodiments of the present application more clearly understood, the exemplary embodiments of the present application are further described in detail below with reference to the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present application, and are not an exhaustive list of all the embodiments. It should be noted that the embodiments and features in the embodiments of the present application can be combined with each other unless they conflict.

[0064] In the description of the present invention, it should be understood that the terms "vertical", "horizontal", "inside", "outside", "up", "down", "front", "back", "left", "right", "center", "longitudinal", "transverse", "length", "width", "thickness", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0065] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, a feature specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0066] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connect," "fixed," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0067] Shear walls are constructed by assembling edge members and a web framework to form a wall cavity. Horizontal steel trusses and vertical steel bars are placed within the wall cavity. Edge members are often constructed using vertically inserted steel column modules, connected by pouring cement into the steel column modules and the wall cavity.

[0068] During on-site assembly, the steel column modules are not easy to align when plugged in. In addition, since the peripheral wall of the steel column module is a closed structure, after pouring concrete, the concrete in the steel column and the concrete in the wall cavity are separated and disconnected, which leads to low vertical shear bearing capacity at the interface between the edge member and the web frame.

[0069] In order to solve the above problems, the present invention provides a steel column module in the embodiment, which is applied to the field of modular construction. The steel column module can be assembled with the shear wall body to form a prefabricated shear wall. Figure 1 , shown is a structural diagram of the first structure of the steel column module.

[0070] The steel column module 100 may include a lattice column 010 and a core column 020 . The lattice column 010 is a hollow cylindrical structure. The core column 020 is embedded in one end of the lattice column 010 and protrudes from the end surface of the lattice column 010 .

[0071] Specifically, the lattice column 010 includes a first end and a second end opposite to each other, wherein, in use, the first end is the top end and the second end is the bottom end; the core column 020 is fixed to the first end of the lattice column 010, and the core column 020 protrudes from the end surface of the first end.

[0072] Considering that when the prefabricated shear walls of the upper and lower floors are assembled, the steel column modules of the upper and lower floors need to be assembled up and down, that is, the lattice columns in the steel column module of the upper floor slab are sleeved on the core columns in the steel column module of the lower floor slab, and the lattice columns in the steel column modules of the upper and lower floor slabs are abutted and aligned.

[0073] To facilitate quick alignment, a guide cone structure 030 can be provided at the top of the core column 020, that is, at the end of the core column 020 away from the lattice column 010. The guide cone structure 030 includes a large end and a tip, with the large end fixedly connected to the core column 020. The width of the guide cone structure 030 gradually decreases from the large end to the tip.

[0074] A guide cone structure 030 is provided at the end of the core column 020 away from the lattice column 010. When the upper and lower prefabricated shear walls are being assembled, the upper and lower steel column modules can be quickly aligned through the guide cone structure. The guide cone structure not only serves as a guide and limiter, but also improves the efficiency of plug-in while ensuring the quality of plug-in.

[0075] Alternatively, see Figure 2 , shown is a first structural schematic diagram of the guide cone structure.

[0076] The guide cone structure 030 may include a first triangular piece 031 and a second triangular piece 035 . The first triangular piece 031 and the second triangular piece 035 are plugged into each other to form a cross-shaped structure. The guide cone structure 030 has a simple structure and is easy to assemble.

[0077] For details, please refer to Figure 3 , which is an exploded schematic diagram of the guide cone structure 030. Optionally, the first triangular member 031 and the second triangular member 035 may both be isosceles triangles, each of which includes a vertex 0302 and a bottom surface 0305 corresponding to the vertex 0302.

[0078] A first inserting slot 0315 is formed on the bottom surface 0305 of the first triangular member 031 along the high-line direction, and a second inserting slot 0355 is formed on the top corner 0302 of the second triangular member 035 along the high-line direction.

[0079] To ensure smooth insertion, the width of first insertion slot 0315 matches the thickness of second triangular member 035, and the width of second insertion slot 0355 matches the thickness of first triangular member 031. First triangular member 031 and second triangular member 035 are inserted through first insertion slot 0315 and second insertion slot 0355 to form a guide cone structure 030 with a cross-shaped cross section. Specifically, first triangular member 031 is inserted into second triangular member 035 through second insertion slot 0355, while second triangular member 035 is inserted into first triangular member 031 through first insertion slot 0315. The resulting guide cone structure 030 has a cross-shaped cross section.

[0080] In order to firmly connect the large end of the guide cone structure 030 with the core column 020, the surface of the large end of the guide cone structure 030 can be basically located on the same plane. In other words, the bottom surface 0305 of the first triangular piece 031 and the bottom surface 0305 of the second triangular piece 035 are located on the same plane.

[0081] That is, the distance L1 between the bottom of the second inserting slot 0355 on the second triangular member 035 and the bottom surface 0305 of the second triangular member 035 is the first dimension, the depth of the first inserting slot 0315 is the second dimension, and the first dimension is equal to the second dimension.

[0082] Furthermore, the distance L2 between the bottom of first insertion slot 0315 and top corner 0302 of first triangular member 031 is a third dimension, and the depth of second insertion slot 0355 is a fourth dimension, with the third dimension being greater than the fourth dimension. When first triangular member 031 and second triangular member 035 are plugged and assembled, top corner 0302 of first triangular member 031 is higher than top corner 0302 of second triangular member 035, resulting in guide cone structure 030 having a single top end, facilitating guided insertion.

[0083] Optionally, the first triangular member 031 and the second triangular member 035 further include side surfaces connected to the top corner 0302 and the bottom surface 0305 respectively, and the connection positions between the side surfaces and the bottom surface 0305 are chamfered to facilitate the firm welding of the guide cone structure 030 and the core column 020 without protruding the sharp corners from the side surfaces of the core column 020.

[0084] In other optional embodiments, the guide cone structure can also be other structures, for example, please refer to Figure 4 , shown is a second structural schematic diagram of the guide cone structure.

[0085] The guide cone structure 030 may include a cone body 0371 and ribs 0375 fixed to the circumference of the cone body 0371. There are multiple ribs 0375 distributed around the circumference of the cone body 0371, and the width of the ribs 0375 gradually decreases from the large end to the tip.

[0086] Please refer to Figure 5 and Figure 6 , Figure 5 The figure shows the structural diagram of the first structure of the core column. Figure 6 Shown is a cross-sectional view of the stem.

[0087] Specifically, the core column 020 may include a connecting rib 0212 and a plurality of parallel inserted ribs 0210. The guide cone structure 030 is fixed to one end of the inserted rib 0210. The outer wall of the inserted rib 0210 is fixed with a radially extending limiting steel bar 0215. The limiting steel bar 0215 overlaps the first end face of the lattice column 010 to facilitate welding and fixation.

[0088] The connecting ribs 0212 are arranged in multiple groups, spaced apart in sequence along the axial direction of the core column 020. Each group of connecting ribs 0212 includes a plurality of weld ribs 0213, the same number as the inserted ribs 0210. The weld ribs 0213 are arranged in a circle with the inserted ribs 0210, and the weld ribs 0213 are fixedly connected between two adjacent inserted ribs 0210, thereby connecting the multiple inserted ribs 0210 into a single piece. In the embodiment of the present application, there are four inserted ribs 0210 and five groups of connecting ribs 0212, each group of connecting ribs 0212 including four weld ribs 0213. In other optional embodiments, the number of inserted ribs 0210, connecting ribs 0212, and weld ribs 0213 is not limited and can be determined based on actual needs.

[0089] Most existing core columns are made of steel pipes. Due to the non-standard cross-section of the steel pipes, raw material procurement is uncertain. This embodiment uses multiple dowel bars 0210, which are fixed together by connecting bars 0212. This makes raw material procurement easier, facilitates core column formation, and enhances the mechanical anchoring strength between the dowel bars and concrete.

[0090] Optionally, an anchor bar 0217 may be welded to one end of the inserted bar 0210 away from the guide cone structure 030 , and the end of the core column 020 having the welded anchor bar 0217 is inserted into the lattice column 010 .

[0091] Optionally, the core column 020 may also adopt other structures, for example, please refer to Figure 7 , Figure 7 Shown is a schematic structural diagram of the second core column structure.

[0092] Specifically, core column 020 may include a steel tube 022, a connecting plate 023, and multiple shear-resistant transverse ribs 025. Steel tube 022 is a hollow tubular structure and can be made of square steel, round steel, or other materials, though this is not a limitation here. The specific structure is determined based on demand. A guide cone structure 030 is fixed to one end of steel tube 022. Multiple shear-resistant transverse ribs 025 are sequentially spaced and sleeved on the outer wall of steel tube 022 along the axial direction of steel tube 022. Connecting plate 023 is fixed to the outer wall of steel tube 022 and is located at the end away from guide cone structure 030. Connecting plate 023 is fixedly connected to the first end of lattice column 010.

[0093] Shear-resistant transverse ribs 025 are rectangular hollow steel plates. A square steel bar of appropriate size can be cut into multiple thin sections. These rectangular hollow steel plates are fitted over steel tube 022, with the width of the hollow steel plates matching the outer width of steel tube 022. Connecting plate 023 is installed by inserting a slot into the end of steel tube 022 near lattice column 010. Both ends of connecting plate 023 protrude from the outer wall of steel tube 022 and mate with the inner wall of lattice column 010. Connecting plate 023 is welded to steel tube 022 at the insertion point.

[0094] In the embodiment of the present application, shear-resistant transverse ribs 025 are welded on the outside of the steel pipe 022, and the shear-resistant transverse ribs 025 are formed by cutting square steel. Compared with the existing core column 020 formed by welding multiple steel bars distributed transversely on each side wall of the outside of the steel pipe 022, the processing efficiency is greatly improved.

[0095] Please refer to Figure 8 , which is a schematic structural diagram of the first structure of the lattice column 010.

[0096] Specifically, the lattice column 010 may include a gusset plate 012 and a plurality of parallel angle steels 011, wherein the plurality of parallel angle steels 011 are arranged in a ring at intervals in sequence, and the core column 020 is fixed to the first end of the angle steel 011. For example, the number of angle steels 011 is four, and the four angle steels 011 are arranged relative to each other to form a rectangular structure. The use of angle steels 011 and gusset plates 012 to form the lattice column 010 can reduce the amount of steel used, and can reduce construction costs compared to the existing steel column module 100 that uses a whole steel pipe 022. In addition, after the concrete is poured into the prefabricated shear wall 300, the concrete in the lattice column 010 and the concrete in the wall cavity of the shear wall are continuous, which is beneficial to improving the vertical shear bearing capacity at the interface between the edge member and the web skeleton.

[0097] There are multiple groups of gusset plates 012, which are sequentially spaced apart along the axial direction of the lattice column 010. Each group of gusset plates 012 includes a number of steel plates equal to the number of angle steels 011. The steel plates and angle steels 011 are sequentially spaced apart and arranged in a circle. The steel plates are fixedly connected between two adjacent angle steels 011 to connect the multiple angle steels 011 into a single piece. In other words, the steel plates are connected between two adjacent angle steels 011, and four steel plates are spaced apart between four angle steels 011 to connect the four angle steels 011 into a single piece.

[0098] In other optional embodiments, the steel column module 100 may further include an inner liner 013, which is fixed to the second end of the lattice column 010. When the upper and lower steel column modules are connected, the core column 020 of the lower steel column module and the inner liner 013 of the upper steel column module form an anti-pullout structure, which helps to improve the anti-pullout force after concrete is poured.

[0099] Please refer to Figure 9 and Figure 10 Specifically, lining 013 is fixed to the inner wall of angle steel 011 and located at the second end of angle steel 011. Shear reinforcement bars 015 are protruding from the side of lining 013 facing away from angle steel 011. Lining 013 can be made of a rectangular steel plate, and shear reinforcement bars 015 are welded to the rectangular steel plate. The extension direction of shear reinforcement bars 015 forms an angle with the length direction of angle steel 011. The angle can be acute, right, or obtuse, but is usually set at a right angle.

[0100] The number of the inner liners 013 can be the same as the number of the angle steels 011 . The inner liners 013 and the angle steels 011 are arranged in a circle in sequence, and the inner liners 013 are fixedly connected between two adjacent angle steels 011 .

[0101] The lattice column 010 may also include a connecting lining plate 017, please refer to Figure 9 and Figure 11 , Figure 11 The figure shows the structure of the connecting liner 017. Connecting liner 017 is fixed to the first end of angle steel 011 and securely connects two adjacent parallel angle steels 011. The end of the core column 020, away from the guide cone structure 030, is securely connected to connecting liner 017. Connecting liner 017 is positioned between two adjacent angle steels 011. Connecting liner 017 is secured to core column 020 via connecting plate 023, securing core column 020 to lattice column 010.

[0102] Specifically, the connecting liner 017 is provided with a limiting groove 0172 along the axial direction, the connecting plate 023 of the core column 020 is fixed to the outer wall of the steel pipe 022 and is located at an end away from the shear cross rib 025, and the connecting plate 023 is inserted into the limiting groove 0172 of the connecting liner 017 and is fixedly connected to the connecting liner 017 by welding.

[0103] In this structure, the connecting lining plate 017 is located at the first end of the angle steel 011, the inner lining 013 is located at the second end of the angle steel 011, and multiple groups of gusset plates 012 are fixed to the middle section of the angle steel 011 in sequence along the axial direction.

[0104] In order to facilitate welding of the second end of the core column 020 to the first end of the angle steel 011 and welding of the lining 013 to the second end of the angle steel 011 , the first and second ends of the angle steel 011 may be fixed by plug welding.

[0105] The steel column module provided in the embodiment of the present application adopts lattice columns, which can not only reduce the amount of steel used and reduce production costs, but also improve the shear resistance of the vertical interface; a guide cone structure is provided at the top of the core column, which is conducive to the rapid alignment of the upper and lower steel column modules, ensuring the quality of the plug-in while improving the plug-in efficiency.

[0106] This application also provides a prefabricated steel structure, please refer to Figure 12 , Figure 12 Shown is a structural schematic diagram of the prefabricated steel structure.

[0107] The prefabricated steel structure 200 includes at least two of the above-mentioned steel column modules, and the at least two steel column modules include a lower steel column module 201 and an upper steel column module 205. The second end of the lattice column 010 of the upper steel column module 205 is sleeved on the core column 020 of the lower steel column module 201, and the second end of the lattice column 010 of the upper steel column module 205 is abutted against the first end of the lattice column 010 of the lower steel column module 201.

[0108] This application also provides a prefabricated shear wall, please refer to Figure 13 The prefabricated shear wall 300 may include a shear wall body 301 and the two above-mentioned steel column modules 100. The shear wall body 301 has a receiving cavity. The two steel column modules 100 are fixedly connected to both sides of the shear wall body 301 along the length direction, and the shear wall body 301 and the two steel column modules 100 enclose a wall cavity for cast-in-place concrete.

[0109] Specifically, the shear wall body 301 may include a fiber cement board 302 and a steel cage 303 , wherein the fiber cement board 302 is located at the outermost layer, the steel column module 100 is located at both ends of the fiber cement board 302 , and the steel cage 303 is located in the cavity enclosed by the fiber cement board 302 and the steel column module 100 .

[0110] The steel cage 303 includes multiple connectors 3030, and the fiber cement boards 302 are arranged on both sides of the steel cage 303 along the width direction. The connectors 3030 are arranged perpendicular to the fiber cement boards 302, and the steel cage 303 is fixedly connected to the fiber cement boards 302 on both sides through the two ends of the connectors 3030.

[0111] Optionally, the connector 3030 and the fiber cement board 302 may be fixedly connected using self-tapping screws.

[0112] Specifically, the steel cage 303 also includes a first steel mesh and a second steel mesh arranged in parallel, and the first steel mesh and the second steel mesh each include a plurality of horizontal steel bars arranged side by side and a plurality of vertical steel bars arranged side by side, and the horizontal steel bars and the vertical steel bars are arranged crosswise to form a grid shape. The connector is arranged perpendicular to the first steel mesh and the second steel mesh, and is located at the intersection of the horizontal steel bars and the vertical steel bars. The first end of the connector is fixed to the first steel mesh, and the second end of the connector is fixed to the second steel mesh. In other words, the first steel mesh and the second steel mesh are two parallel meshes, and a plurality of connectors are arranged between the two. One end of each connector corresponds to the intersection position of the first steel mesh, and the other end corresponds to the intersection position of the second steel mesh. On the basis of connecting the first steel mesh and the second steel mesh into a whole, the ends of the connector are fixed to the fiber cement board.

[0113] Furthermore, the two ends of the steel cage 303 are fixed to the steel column module 100 by bending the two ends of the horizontal steel bars of the first steel mesh and the two ends of the horizontal steel bars of the second steel mesh to form a bent section, and the bent section can be fitted with the steel column module 100 and fixed to the lattice column 010 of the steel column module 100 by welding.

[0114] The surface of the steel trusses set in the wall cavity of the existing shear wall is relatively smooth, and its bonding and anchoring performance with concrete is relatively poor. However, the steel cage 303 in the prefabricated shear wall 300 provided in this application adopts a structure of a first steel mesh, a second steel mesh and a connector, which can greatly improve the bonding and anchoring performance of the horizontal steel and concrete of the shear wall.

[0115] In addition, the outer side of the flange of the steel truss in the existing structure is in contact with the air and needs to be treated with anti-corrosion before use. If only anti-corrosion spraying or hot-dip galvanizing is applied to this part, the anti-corrosion construction efficiency is low and the operation is difficult. If the entire steel truss is anti-corrosion sprayed or galvanized, it will not only cause a waste of anti-corrosion materials, but the anti-corrosion coating will make the bonding performance between the surface of the steel truss and the concrete worse. The present application adopts a structure of a first steel mesh, a second steel mesh and a connector, which can greatly reduce the difficulty of processing. Third, in the existing scheme, when pouring concrete, the structure of the steel truss will affect the density of the concrete; the present application avoids the problem of loose concrete pouring due to the use of horizontal trusses and reduces production costs.

[0116] Please refer to Figure 14 , shown is a structural diagram of the first structure of connector 3030.

[0117] Connector 3030 may include a U-shaped bent member 3032 and a clip 3034. The U-shaped bent member 3032 includes a connector and first and second folded members located at either end of the connector. The connector engages with the first and second reinforcement meshes, with the first folded member protruding from the outside of the first reinforcement mesh, and the second folded member protruding from the outside of the second reinforcement mesh. Clips 3034 are secured to the connector, and the two clips 3034 engage with the first and second reinforcement meshes, respectively.

[0118] During installation, the first folded body and the second folded body are respectively matched with the inner wall of the fiber cement board 302 and are fastened by self-tapping screws.

[0119] In other optional embodiments, the connector may also have other structures, for example, please refer to Figure 15 and Figure 16 , shown is a structural diagram of the second structure of the connector.

[0120] The connector 3030 may include a connecting body 3035, end plates 3036, and clips 3034. The connecting body 3035 includes at least two parallel, spaced-apart steel bars. The end plates 3036 are fixed to both ends of the connecting body 3035, forming a T-shaped structure with the ends of the connecting body 3035. The end plates 3036 at both ends of the connecting body 3035 respectively engage with the inner wall of the fiber cement board 302 and are secured by locking members. The clips 3034 are fixed to the connecting body 3035 and respectively engage with the first and second steel meshes. In other words, the clips 3034 are mounted on two parallel, spaced-apart steel bars, and the centers of the end plates 3036 and the two parallel, spaced-apart steel bars are coplanar. When the connector 3030 of this structure is secured to the fiber cement board 302 using self-tapping screws, the self-tapping screws can be located at the center of the end plates 3036.

[0121] The prefabricated shear wall 300 provided in the embodiment of the present application adopts lattice columns 010, so that the edge members of the shear wall and the concrete in the web skeleton are connected. The continuity of the concrete improves the shear resistance of the vertical interface. Connectors 3030 are used in the steel cage 303, so that the steel cage 303 can be used as a skeleton in the shear wall web. The bonding and anchoring between the connector 3030 and the concrete is more reliable, ensuring that the mechanical properties of both steel bars and concrete are fully utilized. The connection between the upper and lower floors relies on the anchoring of the core column 020 in the steel column module 100 and the concrete, as well as the anchoring of the concrete to the angle steel 011, the gusset plate 012, the shear cross rib 025 and other structures. The core column 020 is simpler to process than the steel pipe 022 column, and the raw materials are easier to obtain.

[0122] The present application also provides a modular building comprising the aforementioned steel column modules, prefabricated steel structures, or prefabricated shear walls. This modular building has the beneficial effects of the aforementioned steel column modules and prefabricated shear walls, which will not be described in detail here.

[0123] Although the preferred embodiments of the present application have been described, those skilled in the art may make additional changes and modifications to these embodiments once they have learned the basic creative concept. Therefore, the appended claims are intended to be interpreted as including the preferred embodiments and all changes and modifications that fall within the scope of the present application.

[0124] Obviously, those skilled in the art may make various changes and modifications to this application without departing from the spirit and scope of this application. Thus, if these modifications and variations of this application fall within the scope of the claims of this application and their equivalents, this application is intended to include these modifications and variations.

Claims

1. A steel column module, characterized in that: include: a lattice column comprising opposing first and second ends; A core column, wherein the core column is fixed to the first end of the lattice column and the core column protrudes from the end surface of the first end. A guide cone structure is provided at the end of the core column away from the lattice column, and the guide cone structure includes opposite large ends and a tip end. The large end is fixed to the core column, and the width of the guide cone structure gradually decreases along the direction from the large end to the tip end.

2. The steel column module according to claim 1, characterized in that: The guide cone structure includes a first triangular member and a second triangular member, wherein the first triangular member and the second triangular member each include a vertex and a bottom surface corresponding to the vertex; A first plugging groove is formed on the bottom surface of the first triangular member along the height line direction, and a second plugging groove is formed on the top corner of the second triangular member along the height line direction, and the width of the first plugging groove is adapted to the thickness of the second triangular member, and the width of the second plugging groove is adapted to the thickness of the first triangular member; The first triangular piece and the second triangular piece are plugged into each other through the first plugging slot and the second plugging slot to form a guide cone structure with a cross-shaped cross section.

3. The steel column module according to claim 2, characterized in that: The distance between the bottom of the second inserting slot and the bottom surface of the second triangular piece is a first dimension, the depth of the first inserting slot is a second dimension, and the first dimension is equal to the second dimension.

4. The steel column module according to claim 2, characterized in that: The distance between the bottom of the first plug-in slot and the top angle of the first triangle is a third dimension, the depth of the second plug-in slot is a fourth dimension, and the third dimension is greater than the fourth dimension.

5. The steel column module according to claim 2, characterized in that: The first triangular member and the second triangular member further include side surfaces connected to the top corner and the bottom surface respectively, and the connection positions between the side surfaces and the bottom surface are chamfered.

6. The steel column module according to claim 1, characterized in that: The guide cone structure includes a cone body and ribs fixed to the circumference of the cone body. There are multiple ribs, and the multiple ribs are distributed around the circumference of the cone body. The width of the ribs gradually decreases from the large end to the tip.

7. The steel column module according to any one of claims 1 to 6, characterized in that: The core column includes a steel pipe, a connecting plate and a plurality of shear-resistant transverse ribs. The guide cone structure is fixed to one end of the steel pipe. The plurality of shear-resistant transverse ribs are sequentially and spaced apart on the outer wall of the steel pipe along the axial direction of the steel pipe. The connecting plate is fixed to the outer wall of the steel pipe and is located at an end away from the guide cone structure. The connecting plate is fixedly connected to the first end of the lattice column.

8. The steel column module according to claim 7, characterized in that: The steel pipe is square steel, the shear-resistant transverse rib is a rectangular hollow steel plate, the rectangular hollow steel plate is sleeved on the square steel, and the cavity width of the rectangular hollow steel plate is adapted to the outer width of the square steel.

9. The steel column module according to any one of claims 1 to 6, characterized in that: The core column includes a connecting rib and a plurality of parallel inserted ribs; The connecting ribs are arranged in groups at intervals along the axial direction of the core column, and each group includes a plurality of welding ribs, the number of which is the same as the number of the inserted ribs. The welding ribs and the inserted ribs are arranged in an annular manner at intervals, and the welding ribs are fixedly connected between two adjacent inserted ribs to connect the plurality of inserted ribs into one body. The guide cone structure is fixed to one end of the inserted reinforcement, and a radially extending limiting reinforcement is fixed to the outer wall of the inserted reinforcement. The limiting reinforcement is fixedly connected to the first end of the lattice column.

10. The steel column module according to claim 9, characterized in that: The end of the inserted bar away from the guide cone structure is welded to an anchor bar, and the core column has one end of the welded anchor bar inserted into the lattice column.

11. The steel column module according to any one of claims 1 to 6, characterized in that: The lattice column includes a gusset plate and a plurality of parallel angle steels, wherein the plurality of parallel angle steels are sequentially spaced and arranged in a circular pattern; There are multiple groups of the gusset plates, which are arranged in sequence along the axial direction of the lattice column. Each group includes multiple steel plates with the same number as the angle steels. The steel plates and the angle steels are arranged in sequence in a ring, and the steel plates are fixedly connected between two adjacent angle steels to connect the multiple angle steels into one. The core column is fixed to the first end of the angle steel.

12. The steel column module according to claim 11, characterized in that: It also includes an inner lining, which is fixed to the inner wall of the angle steel and located at the second end of the angle steel. A shear reinforcement is protruded from the side of the inner lining away from the angle steel.

13. The steel column module according to claim 12, characterized in that: The number of the inner liners is the same as the number of the angle steels. The inner liners and the angle steels are arranged in a circle in sequence, and the inner liners are fixedly connected between two adjacent angle steels.

14. The steel column module according to claim 12, characterized in that: The lattice column also includes a connecting lining plate, which is fixed to the first end of the angle steel and fixedly connects two adjacent parallel angle steels. The end of the core column away from the guide cone structure is fixedly connected to the connecting lining plate, and the multiple groups of connecting plates are fixed to the middle section of the angle steel in sequence along the axial direction.

15. The steel column module according to claim 14, characterized in that: The connecting lining is provided with a limiting groove along the axial direction, the core column includes a steel pipe, a connecting plate and a plurality of shear-resistant transverse ribs, the plurality of shear-resistant transverse ribs are sequentially and spaced apart along the axial direction of the steel pipe on the outer wall of the steel pipe, the connecting plate is fixed to the outer wall of the steel pipe and is located at one end away from the shear-resistant transverse ribs, the connecting plate is inserted into the limiting groove and fixedly connected to the connecting lining.

16. The steel column module according to claim 14, characterized in that: The first end and / or the second end of the angle steel are plug welded.

17. An assembled steel structure, characterized in that: It comprises at least two steel column modules according to any one of claims 1 to 16, wherein the at least two steel column modules include a lower steel column module and an upper steel column module, the second end of the lattice column of the upper steel column module is sleeved on the core column of the lower steel column module, and the second end of the lattice column of the upper steel column module is abutted against the first end of the lattice column of the lower steel column module.

18. A prefabricated shear wall, characterized in that: include: a shear wall body, the shear wall body having a receiving cavity; and Two steel column modules according to any one of claims 1 to 16, wherein the two steel column modules are fixedly connected to both sides of the shear wall body along the length direction, and the shear wall body and the two steel column modules enclose a wall cavity for cast-in-place concrete.

19. The prefabricated shear wall according to claim 18, characterized in that: The shear wall body includes a fiber cement board and a steel cage, and the steel cage includes a plurality of connectors; The fiber cement boards are arranged on both sides of the steel cage along the width direction, the connector is arranged perpendicularly relative to the fiber cement boards, and both ends of the connector are fixedly connected to the fiber cement boards.

20. The prefabricated shear wall according to claim 19, characterized in that: The steel cage further includes a first steel mesh and a second steel mesh arranged in parallel, each of the first steel mesh and the second steel mesh including a plurality of horizontal steel bars arranged side by side and a plurality of vertical steel bars arranged side by side, the horizontal steel bars and the vertical steel bars being arranged crosswise to form a grid shape; The connector is vertically arranged on the first steel mesh and the second steel mesh and is located at the intersection of the horizontal steel bars and the vertical steel bars. The first end of the connector is fixed to the first steel mesh, and the second end of the connector is fixed to the second steel mesh.

21. The prefabricated shear wall according to claim 20, characterized in that: Both ends of the horizontal steel bars are bent to form bent sections, and the bent sections are fixedly connected to the lattice columns of the steel column module.

22. The prefabricated shear wall according to claim 20, characterized in that: The connector includes a U-shaped bending part and a clip. The U-shaped bending part includes a connecting body and a first folded body and a second folded body located at both ends of the connecting body. The clip is fixed to the connecting body and is respectively engaged with the first steel mesh and the second steel mesh. The first folded body and the second folded body are respectively matched with the inner wall of the fiber cement board and fixed by a locking member.

23. The prefabricated shear wall according to claim 20, characterized in that: The connector includes a connecting body, an end plate and a clip; The connecting body includes at least two parallel and spaced-apart steel bars, the end plates are fixed to both ends of the connecting body, and the end plates and the ends of the connecting body form a T-shaped structure, the end plates at both ends respectively cooperate with the inner wall of the fiber cement board and are fixed by locking members; The clip is fixed to the connecting body and is respectively engaged with the first steel mesh and the second steel mesh.

24. A modular building, characterized in that It comprises the steel column module according to any one of claims 1 to 16, the assembled steel structure according to claim 17, or the prefabricated shear wall according to any one of claims 18 to 23.

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