Prefabricated steel frame and its lap joint method

Abstract

The invention discloses an assembled steel structure frame and an overlapping method thereof, comprising a single-piece column skeleton and a bottom plate frame, wherein the single-piece column skeleton comprises a back plate and left and right side plates, and through different combinations of the single-piece column skeleton and the bottom plate frame, 2-2 type, 1-2 type, 2-3 type, 1-3 type, 2-4 type and 1-4 type overlapping structures are formed; the assembled steel structure frame and the overlapping method thereof designed by the invention greatly reduce the complexity of construction, and construction personnel only need to undergo short-term training to master the overlapping method, thereby improving construction efficiency, avoiding the problems of wasting building materials, polluting the environment and wasting resources, saving time and effort in assembly, saving a large amount of manpower and material resources, having high efficiency, being able to adapt to the construction needs of multi-story buildings, and having strong versatility.

Description

Technical Field

[0001] The invention relates to the field of construction, in particular to an assembled steel structure frame and a lap method thereof. Background Art

[0002] The disadvantages of the house building structure in the prior art are: 1. The construction is complicated and heavily depends on the level of on-site workers. At the same time, strict training is required for the construction, which is inefficient; 2. The construction method of the existing prefabricated steel structure will cause waste of building materials, serious environmental pollution, and waste of resources; 3. The existing prefabricated frame structure is complicated to install, requires on-site drilling, etc., and the assembly is time-consuming and labor-intensive, which wastes a lot of manpower and material resources and is inefficient; 4. It also requires later repairs after installation, cannot meet the needs of building multi-story buildings, and has low versatility; therefore, how to design a prefabricated light steel house frame component and its overlap method with simple structure, quick assembly, improved construction efficiency and resource saving is the technical problem to be solved by the present invention. Summary of the invention

[0003] The technical problem to be solved by the present invention is to overcome the disadvantages of the prior art and provide an assembled steel structure frame and a lap method thereof.

[0004] The technical solution further defined in the present invention is: an assembled steel frame, comprising a single-piece column frame, the single-piece column frame comprising a back plate and left and right side plates, the sum of the widths of the left and right side plates is equal to the width of the back plate, the upper and lower ends of the back plate are both provided with first screw holes, and the upper and lower ends of the left and right side plates are both provided with second screw holes;

[0005] It also includes a beam bracket and a ring beam frame, both of which are "concave" shaped structures, the beam bracket is provided with a third screw hole on both sides, and a fourth screw hole is provided on the bottom side, the ring beam frame is provided with a fifth screw hole on both sides, and a sixth screw hole is provided on the bottom side;

[0006] The beam bracket can be arranged in the inner cavity of one end of the single-piece column frame, and its third screw hole corresponds to and matches the second screw hole, and its bottom edge is perpendicular to the back plate, thereby forming a support structure. The ring beam frame can also be arranged in the inner cavity of the other end of the single-piece column frame, and its fifth screw hole corresponds to and matches the second screw hole, and its bottom edge is perpendicular to the back plate, thereby forming a support structure.

[0007] The ring beam is composed of a ring beam back plate, a ring beam lower side plate, a ring beam upper side plate and ring beam end panels at both ends, a first fixing hole corresponding to the first screw hole is opened on the ring beam end panel, first insertion holes corresponding to the sixth screw hole are opened at both ends of the ring beam upper and lower side plates, and second insertion holes corresponding to the fifth screw hole are opened at both ends of the ring beam back plate;

[0008] It also includes a beam support, which includes a beam support back plate, a beam support lower side plate, a beam support upper side plate and beam support end panels at both ends, a second fixing hole corresponding to the first screw hole is opened on the beam support end panel, third insertion holes corresponding to the fourth screw hole are opened at both ends of the upper and lower side plates of the beam support, and fourth insertion holes corresponding to the third screw hole are opened at both ends of the beam support back plate; one end of the single-piece column frame is installed with a ring beam frame as the bottom end, a bottom plate frame is also installed below the bottom end, and foundation bolt holes are opened on the bottom plate of the bottom plate frame;

[0009] The edges of the left and right side panels are bent inward to form an inner fold, so the cross-section of the single-piece column frame is " "shape.

[0010] The present invention also designs a method for overlapping an assembled steel frame, which specifically includes the following method:

[0011] Lay the back panels of two single-piece column frames together to form a 2-2 type lap joint structure;

[0012] Install a bottom plate frame at the bottom of each single-piece column frame of the 2-2 type overlap structure as a 2-1 type overlap structure;

[0013] Lay the back panels of two single-piece column frames together, and then lay the back panel of another single-piece column frame together with the side panels of two single-piece column frames to form a 2-3 type overlap structure;

[0014] Install a bottom plate frame at the bottom of each single-piece column frame of the 2-3 type overlap structure as a 1-3 type overlap structure;

[0015] On the basis of the 2-3 type overlap structure, the back plate of another single-piece column frame is attached to the side plates of two single-piece column frames to form a 2-4 type overlap structure;

[0016] Install a bottom plate frame at the bottom of each single-piece column frame of the 2-4 type overlap structure as a 1-4 type overlap structure;

[0017] Select two groups of 2-2 type lap joint structures, the bottom end of one group is butted with the top end of the other group, and a beam bracket and a ring beam frame are installed at the connection. Both the beam bracket and the ring beam frame are opened upward, the ring beam frame at the connection is on the top, and the beam bracket is on the bottom. Align the fifth screw hole with the second screw hole, and align the third screw hole with the second screw hole. Install the ring beam frame at the bottom end of one group of 2-2 type lap joint structures, and install the bottom plate frame at the bottom to form a 1-3 type lap joint structure. Install the beam bracket at the top end of the other group of 2-2 type lap joint structures.

[0018] When the ring beam and the beam support are overlapped, one end of the ring beam is connected to the ring beam frame, and the second fixing hole is aligned with the first screw hole at the top of the single-piece column frame 9, and one end of the beam support 4 is connected to the beam support frame, and the first fixing hole is aligned with the first screw hole at the bottom of the single-piece column frame;

[0019] The ring beam and beam support located at the connection between the 1-2 type overlap structure and the 2-2 type overlap structure are fixedly connected by screws passing through the fourth screw hole, the sixth screw hole, the third insertion hole and the first insertion hole on the lower side of the ring beam 3.

[0020] The beneficial effects of the present invention are:

[0021] 1. The assembled steel frame and its lap joint method designed by the present invention greatly reduce the complexity of construction. Construction personnel only need to undergo short-term training to master the lap joint method, thereby improving construction efficiency.

[0022] 2. The assembled steel frame and its lap joint method designed by the present invention are simple to construct, avoiding the problems of wasting building materials, polluting the environment and wasting resources;

[0023] 3. The assembled steel frame and its lap joint method designed by the present invention do not require on-site drilling, which saves time and effort in assembly, saves a lot of manpower and material resources, and is highly efficient;

[0024] 4. No post-repair is required after installation, it can meet the construction needs of multi-story buildings and has strong versatility. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural diagram of a single-piece column frame (including the bottom plate frame);

[0026] Figure 2 It is a schematic diagram of the structure of a single-piece column skeleton;

[0027] Figure 3 It is a schematic diagram of a 2-2 type lap joint structure;

[0028] Figure 4 It is a schematic diagram of the 1-2 type overlap structure;

[0029] Figure 5 It is a schematic diagram of the 2-3 type overlap structure;

[0030] Figure 6 It is a schematic diagram of the 1-3 type lap joint structure;

[0031] Figure 7 It is a schematic diagram of the 2-4 type lap joint structure;

[0032] Figure 8 It is a schematic diagram of the 1-4 type lap joint structure;

[0033] Fig. 9 It is the structural schematic diagram of the ring beam;

[0034] Fig.10 This is a structural diagram of the beam support;

[0035] Fig.11 The schematic diagram of the distribution of the ring beam and the beam support in the 2-2 type overlap structure and the 2-2 type overlap structure;

[0036] Fig.12 It is a combined exploded schematic diagram of a 1-2 type lap joint structure and a 2-2 type lap joint structure, and a combined lap joint schematic diagram of a beam bracket and a ring beam frame;

[0037] Figure 13-14 It is a schematic diagram of the overlap of the double-layer assembled light steel house frame structure;

[0038] Among them, 9-single-piece column frame, 91-back plate, 92-side plate, 93-inner folding edge, 910-first screw hole, 920-second screw hole, 11-beam bracket, 12-ring beam frame, 110-third screw hole, 1100-fourth screw hole, 120-fifth screw hole, 1200-sixth screw hole;

[0039] 3-ring beam, 33-ring beam back plate, 31-ring beam lower side plate, 32-ring beam upper side plate, 34-ring beam end plate, 340-first fixing hole, 3100-first insertion hole, 330-second insertion hole;

[0040] 4-beam support, 43-beam support back plate, 41-beam support lower side plate, 42-beam support upper side plate, 44-beam support end plate, 440-second fixing hole, 4100-third insertion hole, 430-fourth insertion hole;

[0041] 13-base frame, 130-foundation bolt hole, 1112-screw. DETAILED DESCRIPTION

[0042] Example 1

[0043] like Figure 1-Figure 2 As shown, the present embodiment provides an assembled steel frame, including a single-piece column frame 9, the single-piece column frame 9 includes a back plate 91 and left and right side plates 92, the sum of the widths of the left and right side plates 92 is equal to the width of the back plate 91, the upper and lower ends of the back plate 91 are both provided with first screw holes 910, and the upper and lower ends of the left and right side plates 92 are both provided with second screw holes 920;

[0044] It also includes a beam bracket 11 and a ring beam frame 12, both of which are "concave" shaped structures, and the beam bracket 11 is provided with a third screw hole 110 on both sides, and a fourth screw hole 1100 is provided on the bottom side, and the ring beam frame 12 is provided with a fifth screw hole 120 on both sides, and a sixth screw hole 1200 on the bottom side;

[0045] The beam bracket 11 can be arranged in the inner cavity of one end of the single-piece column frame 9, and its third screw hole 110 corresponds to and matches the second screw hole 920, and its bottom edge is perpendicular to the back plate 91, thereby forming a support structure. The ring beam frame 12 can also be arranged in the inner cavity of the other end of the single-piece column frame 9, and the fifth screw hole 120 corresponds to and matches the second screw hole 920, and its bottom edge is perpendicular to the back plate 91, thereby forming a support structure.

[0046] The ring beam 3 is further comprised of a ring beam back plate 33, a ring beam lower side plate 31, a ring beam upper side plate 32 and ring beam end panels 34 at both ends. The ring beam end panels 34 are provided with first fixing holes 340 corresponding to and matching the first screw holes 910. Both ends of the ring beam upper and lower side plates are provided with first insertion holes 3100 corresponding to and matching the sixth screw holes 1200. Both ends of the ring beam back plate 33 are provided with second insertion holes 330 corresponding to and matching the fifth screw holes 120.

[0047] It also includes a beam support 4, which includes a beam support back plate 43, a beam support lower side plate 41, a beam support upper side plate 42 and beam support end panels 44 located at both ends, the beam support end panel 44 is provided with a second fixing hole 440 corresponding to the first screw hole 910, both ends of the upper and lower side plates of the beam support are provided with a third insertion hole 4100 corresponding to the fourth screw hole 1100, and both ends of the beam support back plate 43 are provided with a fourth insertion hole 430 corresponding to the third screw hole 110; the single-piece column skeleton 9 is installed with one end of the ring beam frame 12 as the bottom end, and a bottom plate frame 13 is also installed below the bottom end, and a foundation bolt hole 130 is opened on the bottom plate of the bottom plate frame 13;

[0048] The edges of the left and right side plates 92 are bent inward to form inner folded edges 93, so the cross-section of the single-piece column frame 9 is " "shape.

[0049] Example 2

[0050] like Figure 3-Figure 12 As shown, this embodiment provides a method for lap jointing of an assembled steel frame, which specifically includes the following methods:

[0051] Lay the back panels 91 of the two single-piece column frames 9 together to form a 2-2 type overlap structure;

[0052] A bottom plate frame 13 is installed at the bottom of each single-piece column frame 9 of the 2-2 type overlap structure to serve as a 2-1 type overlap structure;

[0053] Lay the back plates 91 of two single-piece column frames 9 together, and then lay the back plate 91 of another single-piece column frame 9 together with the side plates 92 of two single-piece column frames 9 to form a 2-3 type overlap structure;

[0054] A bottom plate frame 13 is installed at the bottom of each single-piece column frame 9 of the 2-3 type overlap structure to serve as a 1-3 type overlap structure;

[0055] On the basis of the 2-3 type overlap structure, the back plate 91 of another single-piece column frame 9 is attached to the side plates 92 of the two single-piece column frames 9, the first screw hole 910 at the top of the single-piece column frame 9 corresponds to the second screw hole 920 on the top side plates 92 of the other two single-piece column frames 9, and the first screw hole 910 at the bottom of the single-piece column frame 9 corresponds to the second screw hole 920 on the bottom side plates 92 of the other two single-piece column frames 9, as a 2-4 type overlap structure;

[0056] A bottom plate frame 13 is installed at the bottom of each single-piece column frame 9 of the 2-4 type overlap structure to serve as a 1-4 type overlap structure;

[0057] Select two groups of 2-2 type overlap structures, the bottom end of one group is connected to the top end of the other group, and the beam bracket 11 and the ring beam frame 12 are installed at the connection. The beam bracket 11 and the ring beam frame 12 are both opened upward, the ring beam frame 12 at the connection is on the top, and the beam bracket 11 is on the bottom. The fifth screw hole 120 is aligned with the second screw hole 920, and the third screw hole 110 is aligned with the second screw hole 920. The ring beam frame 12 is installed at the bottom end of one group of 2-2 type overlap structures, and the bottom plate frame 13 is installed at the same time to form a 1-3 type overlap structure. The beam bracket 11 is installed at the top end of the other group of 2-2 type overlap structures;

[0058] When the ring beam 3 and the beam support 4 are overlapped, one end of the ring beam 3 is connected to the ring beam frame 12, and the second fixing hole 440 is aligned with the first screw hole 910 at the top end of the single-piece column frame 9, and one end of the beam support 4 is connected to the beam support frame 11, and the first fixing hole 340 is aligned with the first screw hole 910 at the bottom end of the single-piece column frame 9;

[0059] The ring beam 3 and the beam support 4 located at the connection between the 1-2 type overlap structure and the 2-2 type overlap structure are fixedly connected by a screw 1112 passing through the fourth screw hole 1100, the sixth screw hole 1200, the third insertion hole 4100 and the first insertion hole 3100 on the lower side of the ring beam 3.

[0060] Example 3

[0061] like Figure 13-14As shown, this embodiment provides a schematic diagram of the overlap of a double-layer assembled steel frame, wherein the four vertical outer sides of the frame are formed by overlapping the 1-3 type and the 2-3 type, and a group of structures formed by overlapping the 1-3 type and the 2-3 type are also arranged at the center position between the adjacent vertical outer sides for reinforcement, and a group of overlapping structures composed of the 1-2 type and the 2-2 type is arranged between two adjacent groups of overlapping structures of the 1-3 type and the 2-3 type on the same outer side of the frame, and a group of overlapping structures composed of the 1-4 type and the 2-4 type is arranged at the exact center position of the frame, wherein A group of overlap structures consisting of types 1-3 and 2-3 are also arranged between the overlap structures of types 1-3 and 2-3 at the center positions of the four outer side surfaces. A ring beam 3 is overlapped between types 1-2, 1-3 and 1-4 at the bottom, and a beam support 4 is overlapped between types 2-2, 2-3 and 2-4 at the top. In the middle position of the double-layer structure, ring beams 3 and beam supports 4 are overlapped between adjacent vertical side edges. Types 1-2, 1-3 and 1-4 at the bottom are fixed to the foundation through foundation bolt holes 130 on the bottom plate frame 13.

[0062] The above embodiments are only for illustrating the technical idea of ​​the present invention, and cannot be used to limit the protection scope of the present invention. Any changes made on the basis of the technical solution in accordance with the technical idea proposed by the present invention shall fall within the protection scope of the present invention.

Claims

1. An assembled steel frame, characterized in that: The single-piece column frame (9) comprises a back plate (91) and left and right side plates (92), the sum of the widths of the left and right side plates (92) being equal to the width of the back plate (91), the upper and lower ends of the back plate (91) are both provided with first screw holes (910), and the upper and lower ends of the left and right side plates (92) are both provided with second screw holes (920); It also includes a beam bracket (11) and a ring beam frame (12), wherein the beam bracket (11) and the ring beam frame (12) are both of a "concave"-shaped structure, the beam bracket (11) is provided with a third screw hole (110) on both sides, and a fourth screw hole (1100) on the bottom side, and the ring beam frame (12) is provided with a fifth screw hole (120) on both sides, and a sixth screw hole (1200) on the bottom side; The beam bracket (11) can be arranged in the inner cavity of one end of the single-piece column frame (9) in a conformal manner, and its third screw hole (110) corresponds to and matches the second screw hole (920), and its bottom edge is perpendicular to the back plate (91), thereby forming a support structure; the ring beam frame (12) can also be arranged in the inner cavity of the other end of the single-piece column frame (9), and the fifth screw hole (120) corresponds to and matches the second screw hole (920), and its bottom edge is perpendicular to the back plate (91), thereby forming a support structure; It also includes a ring beam (3), the ring beam (3) being composed of a ring beam back plate (33), a ring beam lower side plate (31), a ring beam upper side plate (32), and ring beam end panels (34) located at both ends, the ring beam end panels (34) being provided with a first fixing hole (340) corresponding to and matching the first screw hole (910), both ends of the ring beam upper and lower side plates being provided with a first insertion hole (3100) corresponding to and matching the sixth screw hole (1200), and both ends of the ring beam back plate (33) being provided with a second insertion hole (330) corresponding to and matching the fifth screw hole (120); It also includes a beam support (4), the beam support (4) including a beam support back plate (43), a beam support lower side plate (41), a beam support upper side plate (42) and beam support end panels (44) located at both ends, the beam support end panel (44) is provided with a second fixing hole (440) corresponding to the first screw hole (910), both ends of the beam support upper and lower side plates are provided with a third insertion hole (4100) corresponding to the fourth screw hole (1100), and both ends of the beam support back plate (43) are provided with a fourth insertion hole (430) corresponding to the third screw hole (110); the single-piece column frame (9) is installed with one end of the ring beam frame (12) as the bottom end, and a bottom plate frame (13) is installed below the bottom end, and the bottom plate of the bottom plate frame (13) is provided with a foundation bolt hole (130); The edges of the left and right side plates (92) are bent inwardly to form inner folded edges (93), and the cross-section of the single-piece column frame (9) is " "shape; The back plates (91) of two single-piece column frames (9) are fitted together to form a 2-2 type overlap structure; two groups of 2-2 type overlap structures are selected, the bottom end of one group is butted against the top end of the other group, and a beam bracket (11) and a ring beam frame (12) are installed at the connection.

2. The method for lap-joining an assembled steel frame according to claim 1, characterized in that: The specific methods include the following: ① Laying the back plates (91) of two single-piece column frames (9) together to form a 2-2 type overlap structure; ② Installing a bottom plate frame (13) at the bottom of each single-piece column frame (9) of the 2-2 type overlapping structure to form a 2-1 type overlapping structure; ③ Laying the back plates (91) of the two single-piece column frames (9) together, and then laminating the back plate (91) of another single-piece column frame (9) to the side plates (92) of the two single-piece column frames (9) to form a 2-3 type overlap structure; ④ Installing a bottom plate frame (13) at the bottom of each single-piece column frame (9) of the 2-3 type overlapping structure to serve as a 1-3 type overlapping structure; ⑤ On the basis of the 2-3 type overlap structure, the back plate (91) of another single-piece column frame (9) is attached to the side plates (92) of two single-piece column frames (9) to form a 2-4 type overlap structure; ⑥ Installing a bottom plate frame (13) at the bottom of each single-piece column frame (9) of the 2-4 type overlapping structure to serve as a 1-4 type overlapping structure; ⑦ Select two groups of 2-2 type overlap structures, the bottom end of one group is connected to the top end of the other group, and the beam bracket (11) and the ring beam frame (12) are installed at the connection. The beam bracket (11) and the ring beam frame (12) are both opened upward, the ring beam frame (12) at the connection is on the top, and the beam bracket (11) is on the bottom. The fifth screw hole (120) is aligned with the second screw hole (920), and the third screw hole (110) is aligned with the second screw hole (920). The ring beam frame (12) is installed at the bottom end of one group of 2-2 type overlap structures, and the bottom plate frame (13) is installed at the bottom to form a 1-3 type overlap structure. The beam bracket (11) is installed at the top end of the other group of 2-2 type overlap structures; When the ring beam (3) and the beam support (4) are overlapped, one end of the ring beam (3) is connected to the ring beam frame (12), and the second fixing hole (440) is aligned with the first screw hole (910) at the top end of the single-piece column frame (9); one end of the beam support (4) is connected to the beam support frame (11), and the first fixing hole (340) is aligned with the first screw hole (910) at the bottom end of the single-piece column frame (9); The ring beam (3) and the beam support (4) located at the connection between the 1-2 type overlap structure and the 2-2 type overlap structure are fixedly connected by means of a screw rod (1112) passing through a fourth screw hole (1100), a sixth screw hole (1200), a third insertion hole (4100) and a first insertion hole (3100) on the lower side of the ring beam (3).

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