Fabricated building steel frame structure

Abstract

The utility model discloses an assembly type building steel frame structure which comprises a steel frame arm rod, a connecting steel frame and a supporting steel frame, a plurality of first through holes arranged at equal intervals and a plurality of second through holes arranged at equal intervals are formed in the outer surface of the steel frame arm rod, and the inner wall of the connecting steel frame makes contact with the outer surface of the steel frame arm rod. A set of first limiting holes are formed in the inner bottom wall of the connecting steel frame, a set of transverse plates are fixedly installed on the upper surface of the connecting steel frame, and a second limiting hole is formed in the upper surface of each transverse plate. According to the device, the two first fastening bolts and the two first fastening nuts are in threaded connection, and the two second fastening bolts and the two second fastening nuts are in threaded connection, so that the connecting steel frame and the steel frame arm rod can be stably assembled together, and the device can effectively guarantee the connection stability of the connecting steel frame and the steel frame arm rod; and the loosening condition can be effectively avoided, so that the overall stability can be enhanced.

Description

Technical Field

[0001] The utility model relates to the technical field of assembled buildings, in particular to an assembled building steel frame structure. Background Art

[0002] Prefabricated steel structure buildings refer to prefabricated buildings made of steel parts. Compared with prefabricated concrete buildings, prefabricated steel structure buildings have the following advantages: steel structure is a ductile material with better seismic resistance. Compared with concrete structure, steel structure has lighter weight and lower foundation cost. Moreover, steel structure is a recyclable material and is more environmentally friendly.

[0003] At present, the existing prefabricated building steel frame structure is prone to loose assembly when connected with the external steel frame arm, which reduces the overall stability and poses certain safety hazards when in use. Therefore, we propose an prefabricated building steel frame structure to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a prefabricated building steel frame structure to solve the problems raised in the above background technology.

[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0006] An assembled building steel frame structure includes a steel frame arm, a connecting steel frame and a supporting steel frame. The outer surface of the steel frame arm is respectively provided with a plurality of first through holes arranged at equal distances and a plurality of second through holes arranged at equal distances. The inner wall of the connecting steel frame contacts the outer surface of the steel frame arm. The inner bottom wall of the connecting steel frame is provided with a group of first limiting holes. A group of cross plates are fixedly installed on the upper surface of the connecting steel frame, and the upper surface of each of the cross plates is provided with a second limiting hole.

[0007] In a further embodiment, a group of third through holes are opened on the inner wall of the connecting steel frame, and two first fastening bolts are arranged on the outside of the steel frame arm.

[0008] In a further embodiment, one end of each of the first fastening bolts passes through the second through hole and the third through hole and extends to the outside of the connecting steel frame, and one end of each of the first fastening bolts is threadedly connected to a first fastening nut.

[0009] In a further embodiment, two second fastening bolts are provided on the outside of the steel frame arm, one end of each of the second fastening bolts passes through the first through hole and the third through hole and extends to the outside of the connected steel frame, and one end of each of the second fastening bolts is threadedly connected to a second fastening nut.

[0010] In a further embodiment, a third limiting hole is opened on the outer surface of the supporting steel frame, and a third fastening bolt is arranged on the outside of the supporting steel frame.

[0011] In a further embodiment, one end of the third fastening bolt passes through the second limiting hole, the third limiting hole and the first limiting hole respectively and extends to the outside of the connecting steel frame, and one end of the third fastening bolt is threadedly connected to a third fastening nut.

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

[0013] The device is threadedly connected by two first fastening bolts and two first fastening nuts, and threadedly connected by two second fastening bolts and two second fastening nuts, so that the connecting steel frame and the steel frame arm can be firmly assembled together. The device can effectively ensure the stability of the connection between the connecting steel frame and the steel frame arm, and can effectively avoid looseness, thereby enhancing the overall stability and ensuring safety during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a side view of the prefabricated building steel frame structure.

[0015] Figure 2 This is a front view of the prefabricated building steel frame structure.

[0016] Figure 3 This is a front cross-sectional view of the prefabricated building steel frame structure.

[0017] Figure 4 for Figure 3 Enlarged structural diagram at A in the middle.

[0018] In the figure: 1. steel frame arm; 2. first through hole; 3. third fastening bolt; 4. supporting steel frame; 5. connecting steel frame; 6. second limiting hole; 7. cross plate; 8. second through hole; 9. first limiting hole; 10. first fastening nut; 11. first fastening bolt; 12. second fastening bolt; 13. third limiting hole; 14. third through hole; 15. second fastening nut; 16. third fastening nut. DETAILED DESCRIPTION

[0019] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 utility model. In addition, the terms "first", "second", etc. are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood by specific circumstances.

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 In the utility model, an assembled building steel frame structure includes a steel frame arm 1, a connecting steel frame 5 and a supporting steel frame 4. The outer surface of the steel frame arm 1 is respectively provided with a plurality of first through holes 2 arranged at equal distances and a plurality of second through holes 8 arranged at equal distances. The inner wall of the connecting steel frame 5 is in contact with the outer surface of the steel frame arm 1. The inner bottom wall of the connecting steel frame 5 is provided with a group of first limiting holes 9. A group of cross plates 7 are fixedly installed on the upper surface of the connecting steel frame 5, and each of the cross plates 7 is provided with a second limiting hole 6 on its upper surface.

[0023] The inner wall of the connecting steel frame 5 is provided with a group of third through holes 14, and the outside of the steel frame arm 1 is provided with two first fastening bolts 11, one end of each of the first fastening bolts 11 passes through the second through hole 8 and the third through hole 14 and extends to the outside of the connecting steel frame 5, and one end of each of the first fastening bolts 11 is threadedly connected with a first fastening nut 10. By respectively passing the two first fastening bolts 11 through the second through hole 8 and the third through hole 14 and threadedly connected with the two first fastening nuts 10, the connecting steel frame 5 can be installed on the steel frame arm 1. The outer surface of the steel frame arm 1 is provided with two second fastening bolts 12 on the outside, and one end of each of the second fastening bolts 12 passes through the first through hole 2 and the third through hole 14 and extends to the outside of the connecting steel frame 5. One end of each of the second fastening bolts 12 is threadedly connected with a second fastening nut 15. By respectively passing one end of the two first fastening bolts 12 through the first through hole 2 and the third through hole 14 and threadedly connected with the two second fastening nuts 15, the connecting steel frame 5 can be more firmly and stably installed on the outer surface of the steel frame arm 1.

[0024] A third limiting hole 13 is provided on the outer surface of the supporting steel frame 4, and a third fastening bolt 3 is provided on the outside of the supporting steel frame 4. One end of the third fastening bolt 3 passes through the second limiting hole 6, the third limiting hole 13 and the first limiting hole 9 respectively and extends to the outside of the connecting steel frame 5. One end of the third fastening bolt 3 is threadedly connected with a third fastening nut 16. By passing the third fastening bolt 3 through the second limiting hole 6, the third limiting hole 13 and the first limiting hole 9 respectively and threadedly connected with the third fastening nut 16, a stable installation of the supporting steel frame 4 can be achieved.

[0025] The working principle of the utility model is:

[0026] First, the staff will put the connecting steel frame 5 on the outer surface of the steel frame arm 1, and then use the first fastening bolt 11 to penetrate the second through hole 8 opened on the outer surface of the steel frame arm 1 and the third through hole 14 opened on the inner wall of the connecting steel frame 5, and then thread the first fastening bolt 11 with the first fastening nut 10, and then use two second fastening bolts 12 to penetrate the first through hole 2 opened on the outer surface of the steel frame arm 1 and the third through hole 14 opened on the inner wall of the connecting steel frame 5, and then thread the second fastening bolt 11 with the second fastening nut 15, and finally, the staff will penetrate the third fastening bolt 3 through the second limiting hole 6, the third limiting hole 13 and the first limiting hole 9, and thread the third fastening bolt 3 with the third fastening nut 16.

[0027] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0028] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. An assembled building steel frame structure, characterized in that: The invention comprises a steel frame arm (1), a connecting steel frame (5) and a supporting steel frame (4); the outer surface of the steel frame arm (1) is respectively provided with a plurality of first through holes (2) arranged at equal distances and a plurality of second through holes (8) arranged at equal distances; the inner wall of the connecting steel frame (5) is in contact with the outer surface of the steel frame arm (1); the inner bottom wall of the connecting steel frame (5) is provided with a group of first limiting holes (9); the upper surface of the connecting steel frame (5) is fixedly provided with a group of transverse plates (7); and the upper surface of each of the transverse plates (7) is provided with a second limiting hole (6).

2. The assembled building steel frame structure according to claim 1, characterized in that: A group of third through holes (14) are provided on the inner wall of the connecting steel frame (5), and two first fastening bolts (11) are provided on the outside of the steel frame arm (1).

3. The assembled building steel frame structure according to claim 2 is characterized in that: One end of each of the first fastening bolts (11) passes through the second through hole (8) and the third through hole (14) and extends to the outside of the connecting steel frame (5), and one end of each of the first fastening bolts (11) is threadedly connected to a first fastening nut (10).

4. The assembled building steel frame structure according to claim 1, characterized in that: Two second fastening bolts (12) are provided on the outside of the steel frame arm (1), one end of each of the second fastening bolts (12) passes through the first through hole (2) and the third through hole (14) and extends to the outside of the connected steel frame (5), and one end of each of the second fastening bolts (12) is threadedly connected to a second fastening nut (15).

5. The assembled building steel frame structure according to claim 1, characterized in that: A third limiting hole (13) is provided on the outer surface of the supporting steel frame (4), and a third fastening bolt (3) is provided on the outside of the supporting steel frame (4).

6. The assembled building steel frame structure according to claim 5, characterized in that: One end of the third fastening bolt (3) passes through the second limiting hole (6), the third limiting hole (13) and the first limiting hole (9) respectively and extends to the outside of the connecting steel frame (5), and one end of the third fastening bolt (3) is threadedly connected to a third fastening nut (16).

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