Steel structure for fabricated building

Abstract

The utility model discloses a steel structure for a fabricated building, which comprises a longitudinal beam, a cross beam, a first connecting piece and a second connecting piece, the longitudinal beam is provided with a cross beam insertion hole, and the cross beam is provided with an insertion end matched with the cross beam insertion hole; when the cross beam is arranged on one side of the longitudinal beam, the cross beam and the longitudinal beam are fixedly connected together through the first connecting piece and the second connecting piece; when the cross beams are arranged on the two sides of the longitudinal beam at the same height, the cross beams and the longitudinal beam are fixedly connected through first connecting pieces, and magnet mounting grooves are formed in the first connecting pieces and the second connecting pieces; during use, a magnet is inserted into the magnet mounting groove, so that the first connecting piece or the second connecting piece is temporarily and magnetically attracted and fixed to the mounting position through the magnet.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of steel structure of building, especially relates to a steel structure for fabricated building. BACKGROUND

[0002] Steel structure is a structure made of steel material, and is an important building structure type, is widely used in large factory, venue, super high-rise, bridge and other fields because of light weight and simple construction. Steel structure main body mainly includes steel beam, steel column and steel truss etc., and each component or part is usually connected by welding, bolt or rivet. Among them, the riveting or welding connection mode is to preset a through hole on two steel beams, and the two steel beams are connected by a connecting piece bolt or rivet, and the two steel beams are not directly connected, but are connected through the connecting piece, so that all forces at the connecting position are transmitted through the connecting piece, which makes the connecting piece have very large bearing strength. In addition, the steel beam is generally hoisted by a crane during assembly, so that it is difficult to align and insert the bolt. SUMMARY

[0003] The utility model discloses a steel structure for fabricated building, which is aimed at the above problems.

[0004] To achieve the above object, the utility model adopts the following technical scheme: a steel structure for fabricated building, comprising a longitudinal beam, a cross beam, a first connecting piece and a second connecting piece, the longitudinal beam is provided with a cross beam insertion hole, the cross beam has an insertion end matched with the cross beam insertion hole; the longitudinal beam is provided with a cross beam on one side, and the cross beam and the longitudinal beam are fixedly connected through the first connecting piece and the second connecting piece; when the longitudinal beam is provided with cross beams on both sides at the same height, the cross beam and the longitudinal beam are fixedly connected through the first connecting piece.

[0005] Preferably, the first connecting piece and the second connecting piece are provided with a magnet mounting groove; when the fixed connecting piece is set, a magnet is inserted into the magnet mounting groove to temporarily magnetically fix the first connecting piece or the second connecting piece at the installation position through the magnet.

[0006] Preferably, the first connecting piece has two fastening surfaces, the two fastening surfaces are integrally connected at a right angle, and a reinforcing support is arranged on the inner side of the included angle of the two fastening surfaces; during use, the two fastening surfaces are in contact with the cross beam or the longitudinal beam and are fastened through bolts; the second connecting piece is in the shape of a straight plate, and the second connecting piece is provided with a cross beam insertion end extension through hole corresponding to the cross beam insertion hole.

[0007] Preferably, a boss is arranged on the longitudinal beam on the upper and lower sides of the mouth of the cross beam insertion hole to increase the support area of the longitudinal beam on the cross beam during insertion.

[0008] Preferably, a plurality of first through holes are arranged on the longitudinal beams on both sides of the beam insertion hole, and a plurality of second through holes are arranged on the beam near one end of the insertion end.

[0009] Preferably, a plurality of first through holes are arranged on the longitudinal beams on both sides of the beam insertion hole, and a plurality of second through holes are arranged on the beam near one end of the insertion end.

[0010] Preferably, a plurality of first through holes are arranged on the longitudinal beams on both sides of the beam insertion hole, and a plurality of second through holes are arranged on the beam near one end of the insertion end.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. The utility model discloses a beam insertion hole is arranged on the longitudinal beam, and the beam has an insertion end matched with the beam insertion hole, so that the temporary assembly and positioning of the beam and the longitudinal beam can be realized through the insertion of the insertion end and the beam insertion hole before being fixed through bolts and connecting pieces.

[0013] 2. The utility model discloses a beam insertion hole is arranged on the longitudinal beam, and the beam has an insertion end matched with the beam insertion hole, so that the temporary assembly and positioning of the beam and the longitudinal beam can be realized through the insertion of the insertion end and the beam insertion hole before being fixed through bolts and connecting pieces.

[0014] 3. The utility model discloses a first connecting piece and a second connecting piece are provided with magnet installation grooves, and magnets are detachably arranged in the installation grooves, so that the first connecting piece or the second connecting piece can be temporarily fixed at the installation position through the magnets, and the staff can free both hands to operate other operations, and the connecting piece does not need to be kept at the installation position through both hands.

[0015] 4. The utility model discloses a convex boss is arranged on the longitudinal beam on the upper and lower sides of the mouth of the beam insertion hole, so that the supporting area of the longitudinal beam to the beam during the insertion of the beam and the longitudinal beam can be increased, the danger that the insertion end is separated from the beam insertion hole due to the shaking of the beam or the longitudinal beam because of the small contact area between the insertion end and the beam insertion hole before being fixed through the connecting piece and the bolt can be avoided, and the convex boss can also improve the structural strength of the longitudinal beam. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure that the utility model discloses a longitudinal beam single side sets up the beam Figure One .

[0017] Figure 2 is the longitudinal beam of the utility model one side setting crossbeam's three-dimensional Figure Two .

[0018] Figure 3 is the longitudinal beam of the utility model one side setting crossbeam's explosion Figure One .

[0019] Figure 4 is the longitudinal beam of the utility model one side setting crossbeam's explosion Figure Two .

[0020] Figure 5 is the longitudinal beam of the utility model cross-sectional view.

[0021] Figure 6 is the second connecting assembly of the utility model three-dimensional Figure One .

[0022] Figure 7 is the second connecting assembly of the utility model three-dimensional Figure Two .

[0023] Figure 8 is the longitudinal beam of the utility model two sides setting crossbeam's perspective view. DETAILED DESCRIPTION

[0024] It should be noted that, unless otherwise specified, all technical and scientific terms used in the present application have the same meaning as commonly understood by one of ordinary skill in the art to which the present application belongs.

[0025] In the utility model, under the condition of not making opposite statement, the orientation words such as " upper, lower, top, bottom " used are generally for the direction shown in the drawing, or for the component itself in vertical, perpendicular or gravity direction;Similarly, for the convenience of understanding and description, " inner, outer " refers to the inner, outer relative to the contour of each component itself, but the above orientation words are not used to limit the utility model. The utility model will be described in detail below with reference to the drawings and in conjunction with embodiments.

[0026] As shown in Figures 1 to 7 , the utility model discloses a kind of steel structure for fabricated building, including longitudinal beam 100, crossbeam 200, first connecting piece 300, second connecting piece 400 and several bolts, longitudinal beam 100 is as the height support part of building, crossbeam 200 is as the platform support of building in horizontal direction, first connecting piece 300 and second connecting piece 400 are used to connect by bolt fixing with crossbeam 200 and longitudinal beam 100.

[0027] In some embodiments, a crossbeam insertion hole 101 is provided on the longitudinal beam 100. The position of the crossbeam insertion hole 101 on the longitudinal beam 100 can be determined based on the required supported height of the crossbeam 200. The crossbeam 200 has a plug-in end 201 that matches the crossbeam insertion hole 100. The crossbeam through-hole 101 is elongated, with the length of the crossbeam through-hole 101 equal to the width of the plug-in end 201, and the width of the crossbeam through-hole 101 equal to the thickness of the plug-in end 201. Of course, in actual applications, to facilitate smooth insertion of the plug-in end 201 into the crossbeam insertion hole 101, the plug-in end 201 is typically slightly smaller than the crossbeam through-hole 101.

[0028] In actual application, when a cross beam 200 is provided on one side of the longitudinal beam 100, the cross beam 200 and the longitudinal beam 100 are fixedly connected together by a first connecting member 300 and a second connecting member 400. In this case, two first connecting members 300 and one second connecting member 400 need to be installed at the connection between the cross beam 200 and the longitudinal beam 100 by bolts, and the first connecting member 300 and the second connecting member 400 are respectively located on both sides of the longitudinal beam 100, and the first connecting member 300 is provided on the upper and lower sides of the connection between the cross beam 200 and the longitudinal beam 100; when cross beams 200 are provided on both sides of the longitudinal beam 100 at the same height, the cross beam 200 and the longitudinal beam 100 are fixedly connected by the first connecting member 300. At this time, four first connecting members 300 are required, and the four first connecting members 300 are respectively provided in the four angles formed by the cross beam 200 and the longitudinal beam 100.

[0029] In order to make installation more convenient, a magnet mounting groove 10 is provided on the first connecting member 300 and the second connecting member 400; when setting the fixed connecting member, a magnet (the magnet is not shown in the accompanying drawings) is inserted into the magnet mounting groove 10 to temporarily magnetically fix the first connecting member 300 or the second connecting member 400 in the installation position through the magnet.

[0030] It should be noted that the magnet mounting slot 10 includes a large-diameter slot and a small-diameter slot, and the large-diameter slot and the small-diameter slot are connected, that is, the overall cross-section of the magnet mounting slot 10 is convex. When the magnet is installed in the magnet mounting slot 10, the end face of the magnet is on the same plane as the surface where the small-diameter slot is located, to ensure that the end face of the magnet can contact the crossbeam 200 or the longitudinal beam 100. After installation, in order to easily remove the magnet from the magnet mounting slot 10, the magnet includes a base that matches the large-diameter slot and a magnet that matches the small-diameter slot. The magnet is fixedly connected to the base, and a handle is provided on the side of the base away from the magnet. The base is made of non-magnetic material.

[0031] In some embodiments, the first connecting piece 300 has two fastening surfaces 301 which are connected integrally at a right angle, of course, the angle of the two fastening surfaces 301 can be changed adaptively according to the angle between the cross beam 200 and the longitudinal beam 100, and the inside of the angle of the two fastening surfaces 301 is provided with a reinforcing support 302, and in use, the two fastening surfaces 301 are in contact with the cross beam 200 or the longitudinal beam 100 respectively and are fastened by bolts. The second connecting piece 400 is a straight plate, and the second connecting piece 400 is provided with a cross beam insertion end extension hole 401 corresponding to the cross beam insertion hole.

[0032] In some embodiments, the longitudinal beam 100 on the upper and lower sides of the mouth of the cross beam insertion hole 101 is provided with a boss 102 to increase the support area of the longitudinal beam 100 to the cross beam 200 during the insertion process of the cross beam 200 and the longitudinal beam 100.

[0033] In some embodiments, the longitudinal beam 100 on the two sides of the cross beam insertion hole 101 is provided with a plurality of first through holes 103, and the cross beam 200 is provided with a plurality of second through holes 202 at one end close to the insertion end 201, and the first through hole 103 and the second through hole 202 are equal in diameter.

[0034] One of the two fastening surfaces 301 of the first connecting piece 300 is provided with a first bolt through hole A3011 corresponding to the first through hole 103 on the longitudinal beam 100, and the other fastening surface 301 is provided with a second bolt through hole 3012 corresponding to the second through hole 202 on the cross beam 200; the second connecting piece 400 is provided with a first bolt through hole B401 corresponding to the first insertion hole 103 on the longitudinal beam 100.

[0035] Further, the outside of the joint of the two fastening surfaces 301 of the first connecting piece 300 is provided with a notch 303 matching the boss 102 on the longitudinal beam 100 along the joint, and when the first connecting piece 300 is arranged at the joint, the boss 102 matches the notch 303.

[0036] Installation instructions:

[0037] Take the example of setting the cross beam 200 on one side of the longitudinal beam 100. First, the longitudinal beam 100 is bolted or cast in concrete at a preset position, a second connecting piece 400 is temporarily magnetically attached on the side of the longitudinal beam 100 opposite to the side where the cross beam 200 is located, and the cross beam insertion end elongated hole 401 corresponds to the cross beam insertion hole 101, a first connecting piece 300 is temporarily magnetically attached on the side of the cross beam insertion hole 101 on the side where the cross beam 200 is located, the lower end of the first connecting piece 300 and the second connecting piece 400 are fixed on the longitudinal beam 100 by bolts, thus one fastening surface 301 in the horizontal direction of the first connecting piece 300 forms a temporary placement surface for placing the cross beam 200, and the fastening surface 301 is in the same plane with the lower opening of the cross beam insertion hole 101, when the cross beam 200 is hoisted and placed on the fastening surface 301 in the horizontal direction of the first connecting piece 300, the cross beam 200 approaches the longitudinal beam 100 along the horizontal plane and can be easily inserted into the cross beam insertion hole 101, thus the cross beam 200 and the longitudinal beam 100 are connected. Finally, a first connecting piece 300 is placed at the angle between the upper side of the cross beam 200 and the longitudinal beam 100, and the connecting pieces, the longitudinal beam 100 and the cross beam 200 are fastened by bolts.

[0038] When the cross beams 200 are arranged on both sides of the longitudinal beam 100, as shown in Figure 8 , first, two first connecting pieces 300 are temporarily magnetically attached on the sides of the longitudinal beam 100 on the lower side of the cross beam insertion hole 101, and the two first connecting pieces 300 are fastened and connected with the longitudinal beam 100 by bolts, thus a temporary placement surface for placing the cross beam 200 is formed on both sides of the longitudinal beam 100, when the cross beam 200 is hoisted and placed on the fastening surface 301 in the horizontal direction of the first connecting piece 300, the cross beam 200 approaches the longitudinal beam 100 along the horizontal plane and can be easily inserted into the cross beam insertion hole 101, thus the cross beam 200 and the longitudinal beam 100 are connected. Finally, a first connecting piece 300 is placed at the angle between the upper side of the cross beam 200 and the longitudinal beam 100, and the connecting pieces, the longitudinal beam 100 and the cross beam 200 are fastened by bolts.

[0039] According to the disclosure and teaching of the above description, those skilled in the art of the present application can also make appropriate changes and modifications to the above implementation method. Therefore, the present application is not limited to the specific embodiments disclosed and described above, and some modifications and changes of the present application should fall within the protection scope of the claims of the present application. In addition, although some specific terms are used in the present description, these terms are only for convenience of explanation and do not constitute any limitation on the present application.

Claims

1. A steel structure for an assembled building, comprising a longitudinal beam, a transverse beam, a first connecting member and a second connecting member, characterized in that: A crossbeam socket is provided on the longitudinal beam, and the crossbeam has a plug-in end that matches the crossbeam socket; when a crossbeam connection is provided on one side of the longitudinal beam, the crossbeam and the longitudinal beam are fixedly connected by the first connecting member and the second connecting member; when crossbeams are provided on both sides of the longitudinal beam at the same height, the crossbeam and the longitudinal beam are fixedly connected by the first connecting member.

2. The steel structure for an assembled building according to claim 1, characterized in that: The first connecting member and the second connecting member are both provided with magnet mounting grooves. When setting a fixed connecting member, a magnet is inserted into the magnet mounting groove to temporarily fix the first connecting member or the second connecting member in the installation position by the magnet.

3. The steel structure for an assembled building according to claim 2, characterized in that: The first connecting member has two fastening surfaces, which are connected to each other at a right angle, and a reinforcing support is provided on the inner side of the angle between the two fastening surfaces. When in use, the two fastening surfaces are in contact with the crossbeam or the longitudinal beam respectively and are fastened by bolts; the second connecting member is a straight plate, and the second connecting member is provided with an extended through hole of the crossbeam plug-in end corresponding to the crossbeam plug-in hole.

4. The steel structure for an assembled building according to claim 3, characterized in that: Bosses are provided on the longitudinal beams at both sides of the upper and lower edges of the crossbeam insertion holes to increase the supporting area of ​​the longitudinal beams on the crossbeams during the process of plugging the crossbeams into the longitudinal beams.

5. The steel structure for an assembled building according to claim 4, characterized in that: A plurality of first through holes are arranged on the longitudinal beams on both sides of the beam insertion hole, and a plurality of second through holes are arranged on one end of the beam close to the insertion end, and the diameters of the first through holes and the second through holes are equal.

6. The steel structure for an assembled building according to claim 5, characterized in that: A first bolt through hole A corresponding one-to-one to the first through hole on the longitudinal beam is opened on one fixing surface of the first connecting member, and a second bolt through hole corresponding one-to-one to the second through hole on the cross beam is opened on the other fastening surface; a first bolt through hole B corresponding one-to-one to the first insertion hole on the longitudinal beam is opened on the second connecting member.

7. The steel structure for an assembled building according to claim 5, characterized in that: A notch matching the boss on the longitudinal beam is provided along the connection seam on the outer side of the connection between the two fastening surfaces of the first connecting member. When the first connecting member is arranged at the connection, the boss matches the notch.

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