Prefabricated assembly type arched steel structure

Abstract

The utility model discloses a prefabricated assembly type arched steel structure which comprises a fixing bottom plate, assembly fixing holes are symmetrically formed in the two ends of the fixing bottom plate, and side edge positioning connecting components are symmetrically and fixedly installed on the fixing bottom plate. A prefabricated arch-shaped supporting steel component is installed on the fixing bottom plate and located between the side edge positioning connecting components, an inner positioning plate is arranged on the fixing bottom plate and located in the prefabricated arch-shaped supporting steel component, and the inner positioning plate is connected with the fixing bottom plate through bolts. The prefabricated arch-shaped supporting steel member has the advantages that the prefabricated arch-shaped supporting steel member is simple in structure and convenient to use, the prefabricated arch-shaped supporting steel member is prevented from being deformed and expanding outwards when being pressed due to the integral assembly type structure, and meanwhile the prefabricated arch-shaped supporting steel member is not prone to deformation when being pressed. The overall supporting strength of the prefabricated arched supporting steel member is improved, and the overall weight is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of arched steel structures, in particular to a prefabricated assembled arched steel structure. Background Art

[0002] Steel structure is a structure made of steel materials and is one of the main types of building structures. The structure is mainly composed of steel beams, steel columns, steel trusses and other components made of steel sections and steel plates, and adopts rust removal and rust prevention processes such as silanization, pure manganese phosphating, water washing and drying, and galvanizing. The components or parts are usually connected by welds, bolts or rivets. Arched steel is mostly used at the top, and prefabricated and assembled arched steel is often used to facilitate the assembly and installation efficiency of the building.

[0003] However, the overall internal structure of the arched steel structure is too simple, resulting in limited internal compression resistance. In addition, the arched steel structure is a solid structure as a whole, which requires more arched steel structure materials, indirectly reducing the practical performance of the arched steel structure.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Utility Model Content

[0005] In view of the deficiencies in the prior art, the utility model aims to provide a prefabricated and assembled arched steel structure.

[0006] In order to achieve the above-mentioned purpose, the utility model is implemented through the following technical scheme: a prefabricated and assembled arched steel structure, including a fixed base plate, assembly fixing holes are symmetrically opened at both ends of the fixed base plate, side positioning connecting components are symmetrically fixedly installed on the fixed base plate, a prefabricated arched support steel component is installed on the fixed base plate between the side positioning connecting components, an inner positioning plate is arranged on the fixed base plate and located inside the prefabricated arched support steel component, the inner positioning plate is connected to the fixed base plate by bolts, and the inner positioning plate is provided with an inner support component that contacts the inner wall of the prefabricated arched support steel component.

[0007] Preferably, the prefabricated arched supporting steel member comprises a prefabricated outer arc plate and a prefabricated inner arc plate, both ends of the prefabricated outer arc plate and the prefabricated inner arc plate are welded by connecting blocks, both ends of the prefabricated outer arc plate are integrally provided with connecting protrusions, and three groups of connecting holes are penetrated through the connecting protrusions.

[0008] Preferably, a weight-reducing cavity is formed between the prefabricated outer arc plate, the prefabricated inner arc plate and the connecting block, a plurality of support blocks are arranged on both sides of the inner wall of the weight-reducing cavity, a buffer plate is connected between the support blocks, a plurality of vertical support ribs are arranged in the weight-reducing cavity, and a plurality of reinforcement strips are arranged on the outer wall of the prefabricated outer arc plate.

[0009] Preferably, the side positioning connection member comprises an L-shaped fixed side plate, a side surface of the L-shaped fixed side plate is provided with a positioning panel matched with the connecting protrusion, and a buffer gasket is arranged on the positioning panel.

[0010] Preferably, mounting holes are provided on the positioning panel and the buffer gasket, a fixing bolt is threadedly connected to one end of the mounting hole, and the mounting hole corresponds to the connecting hole one by one, and a welding plate is provided at the bottom of the L-shaped fixed side plate.

[0011] Preferably, the inner support member comprises a horizontal plate fixed on the inner positioning plate, both ends of the horizontal plate are integrally connected with side support plates, and the side support plates are provided with arc surfaces matching the prefabricated inner arc plates.

[0012] Preferably, a vertical steel pipe is fixedly connected to the middle part of the horizontal plate, an inner supporting steel pipe is movably arranged inside the vertical steel pipe, arc-shaped corresponding limiting holes are arranged on the vertical steel pipe and the inner supporting steel pipe, a positioning column is penetrated through the limiting hole, and an arc-shaped top support plate is arranged on the top of the inner supporting steel pipe.

[0013] The utility model provides a prefabricated assembled arched steel structure, which has the following beneficial effects:

[0014] By symmetrically opening assembly fixing holes at both ends of the fixed base plate, the installation and fixation of the fixed base plate is facilitated, and the two side positioning connecting components can limit the prefabricated arch support steel component to be positioned on the fixed base plate to avoid deformation and outward expansion when under pressure. The inner positioning plate is provided in conjunction with the inner supporting component to further position the prefabricated arch support steel component, and at the same time, increase the overall supporting strength of the prefabricated arch support steel component and greatly reduce its weight. The utility model has a simple structure and is easy to use. The overall assembled structure avoids deformation and outward expansion of the prefabricated arch support steel component when under pressure, and at the same time, increases the overall supporting strength of the prefabricated arch support steel component and makes the overall weight lighter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0016] Figure 1 This is a front view of a prefabricated and assembled arched steel structure according to an embodiment of the utility model;

[0017] Figure 2It is a structural schematic diagram of a prefabricated arched supporting steel member in a prefabricated assembled arched steel structure according to an embodiment of the utility model;

[0018] Figure 3 It is a schematic diagram of the internal structure of a side positioning connection member in a prefabricated assembled arched steel structure according to an embodiment of the utility model;

[0019] Figure 4 It is a structural schematic diagram of an inner supporting member in a prefabricated assembled arched steel structure according to an embodiment of the utility model.

[0020] In the figure:

[0021] 1. Fixed bottom plate; 2. Assembly fixing holes; 3. Side positioning connecting components; 4. Prefabricated arched supporting steel components; 5. Inner positioning plate; 6. Bolts; 7. Inner supporting components; 8. Prefabricated inner arc plate; 9. Prefabricated outer arc plate; 10. Weight reduction cavity; 11. Connecting block; 12. Connecting protrusion; 13. Buffer plate; 14. Vertical supporting ribs; 15. Reinforcement strip; 16. L-shaped fixed side plate; 17. Positioning panel; 18. Buffer gasket; 19. Mounting hole; 20. Fixing bolt; 21. Welding plate; 22. Horizontal plate; 23. Side support plate; 24. Arc surface; 25. Vertical steel pipe; 26. Inner supporting steel pipe; 27. Limiting hole; 28. Positioning column; 29. ​​Arc top support plate. DETAILED DESCRIPTION

[0022] 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.

[0023] See also Figure 1-4The utility model provides a prefabricated assembled arched steel structure, including a fixed base plate 1, and assembly fixing holes 2 are symmetrically opened at both ends of the fixed base plate 1. The assembly fixing holes 2 are symmetrically opened at both ends of the fixed base plate 1 to facilitate the installation and fixation of the fixed base plate 1. Side positioning connecting components 3 are symmetrically fixedly installed on the fixed base plate 1. Prefabricated arched supporting steel components 4 are installed on the fixed base plate 1 between the side positioning connecting components 3. The two side positioning connecting components 3 can limit the prefabricated arched supporting steel components 4, so that It is positioned on the fixed base plate 1 to avoid deformation and outward expansion when under pressure. An inner positioning plate 5 is arranged on the fixed base plate 1 and inside the prefabricated arched support steel member 4. The inner positioning plate 5 is connected to the fixed base plate 1 by bolts 6. The inner positioning plate 5 is provided with an inner support member 7 that contacts the inner wall of the prefabricated arched support steel member 4. The inner positioning plate 5 cooperates with the inner support member 7 to further position the prefabricated arched support steel member 4. At the same time, the overall supporting strength of the prefabricated arched support steel member 4 is increased and its weight is greatly reduced.

[0024] In one embodiment, please refer to the attached manual. Figure 2 As shown, the prefabricated arched support steel member 4 includes a prefabricated outer arc plate 9 and a prefabricated inner arc plate 8, the two ends of the prefabricated outer arc plate 9 and the prefabricated inner arc plate 8 are welded by a connecting block 11, both ends of the prefabricated outer arc plate 9 are integrally provided with connecting protrusions 12, and three groups of connecting holes are penetrated through the connecting protrusions 12, a weight reduction cavity 10 is formed between the prefabricated outer arc plate 9, the prefabricated inner arc plate 8 and the connecting block 11, a number of support blocks are arranged on both sides of the inner wall of the weight reduction cavity 10, a buffer plate 13 is connected between the support blocks, a number of vertical support ribs 14 are arranged in the weight reduction cavity 10, and a number of reinforcing strips 15 are arranged on the outer wall of the prefabricated outer arc plate 9. The prefabricated outer arc plate 9 and the prefabricated inner arc plate 8 play the role of arc support, the weight reduction cavity 10 reduces its unnecessary weight, and cooperates with the support block and the buffer plate 13 to provide a certain degree of buffer when it is under pressure. At the same time, the support ribs 14 improve its overall strength.

[0025] In one embodiment, please refer to the attached manual. Figure 3As shown, the side positioning connection member 3 includes an L-shaped fixed side plate 16, a side surface of the L-shaped fixed side plate 16 is provided with a positioning panel 17 matched with the connecting protrusion 12, a buffer gasket 18 is provided on the positioning panel 17, and a mounting hole 19 is provided on the positioning panel 17 and the buffer gasket 18, one end of the mounting hole 19 is threadedly connected with a fixing bolt 20, and the mounting hole 19 corresponds to the connecting hole one by one, and a welding plate 21 is provided at the bottom of the L-shaped fixed side plate 16. By setting the mounting hole 19 corresponding to the connecting hole and allowing the fixing bolt 20 to penetrate it, the connection between the connecting protrusion 12 and the positioning panel 17 can be achieved, and the buffer gasket 18 can withstand a certain prestress.

[0026] In one embodiment, please refer to the attached manual. Figure 4 As shown, the inner support member 7 includes a horizontal plate 22 fixed on the inner positioning plate 5, and the two ends of the horizontal plate 22 are integrally connected with side support plates 23, and the side support plates 23 are provided with an arc surface 24 matching the prefabricated inner arc plate 8, and the middle part of the horizontal plate 22 is fixedly connected with a vertical steel pipe 25, and an inner support steel pipe 26 is movably arranged in the vertical steel pipe 25, and the vertical steel pipe 25 and the inner support steel pipe 26 are both provided with arc-shaped corresponding limiting holes 27, and a positioning column 28 is penetrated in the limiting hole 27, and an arc-shaped top support plate 29 is provided on the top of the inner support steel pipe 26. By supporting both sides of the prefabricated inner arc plate 8 through the side support plates 23 arranged at both ends, the arc surface 24 can better cooperate with the inner wall of the prefabricated inner arc plate 8, and the vertical steel pipe 25 and the inner support steel pipe 26 are arranged. The height of the inner support steel pipe 26 can be adjusted through the cooperation of the positioning column 28 and the limit hole 27 to realize the height adjustment of the arc top support plate 29. When the height mismatch occurs, the arc top support plate 29 can be fixed by adding a gasket to it.

[0027] In actual application, assembly fixing holes 2 are symmetrically opened at both ends of the fixed base plate 1 to facilitate the installation and fixation of the fixed base plate 1. The two side positioning connecting components 3 can limit the prefabricated arch support steel component 4 to position it on the fixed base plate 1 to avoid deformation and outward expansion when under pressure. The inner positioning plate 5 is cooperated with the inner supporting component 7 to further position the prefabricated arch support steel component 4. At the same time, the overall supporting strength of the prefabricated arch support steel component 4 is increased and its weight is greatly reduced. The utility model has a simple structure and is easy to use. The overall assembled structure avoids the deformation and outward expansion of the prefabricated arch support steel component 4 when under pressure. At the same time, the overall supporting strength of the prefabricated arch support steel component 4 is increased and the overall weight is reduced.

[0028] Although this specification is described according to implementation modes, not every implementation mode includes 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. A prefabricated and assembled arched steel structure, characterized in that: The invention comprises a fixed base plate (1), the two ends of the fixed base plate (1) are symmetrically provided with assembly fixing holes (2), the fixed base plate (1) is symmetrically fixed with side positioning connection components (3), the fixed base plate (1) is provided with prefabricated arched support steel components (4) between the side positioning connection components (3), the fixed base plate (1) is provided with an inner positioning plate (5) located inside the prefabricated arched support steel components (4), the inner positioning plate (5) is connected to the fixed base plate (1) by bolts (6), and the inner positioning plate (5) is provided with an inner support component (7) that contacts the inner wall of the prefabricated arched support steel components (4).

2. The prefabricated and assembled arched steel structure according to claim 1, characterized in that: The prefabricated arched supporting steel member (4) comprises a prefabricated outer arc plate (9) and a prefabricated inner arc plate (8), the two ends of the prefabricated outer arc plate (9) and the prefabricated inner arc plate (8) being welded via a connecting block (11), the two ends of the prefabricated outer arc plate (9) being integrally provided with connecting protrusions (12), and the connecting protrusions (12) being provided with three groups of connecting holes.

3. The prefabricated and assembled arched steel structure according to claim 2, characterized in that: A weight-reducing cavity (10) is formed between the prefabricated outer arc-shaped plate (9), the prefabricated inner arc-shaped plate (8) and the connecting block (11); a plurality of support blocks are arranged on both sides of the inner wall of the weight-reducing cavity (10); a buffer plate (13) is connected between the support blocks; a plurality of vertical support ribs (14) are arranged in the weight-reducing cavity (10); and a plurality of reinforcing strips (15) are arranged on the outer wall of the prefabricated outer arc-shaped plate (9).

4. The prefabricated and assembled arched steel structure according to claim 3, characterized in that: The side positioning connection component (3) comprises an L-shaped fixed side plate (16), a side surface of the L-shaped fixed side plate (16) is provided with a positioning panel (17) that matches the connecting protrusion (12), and a buffer gasket (18) is provided on the positioning panel (17).

5. The prefabricated and assembled arched steel structure according to claim 4, characterized in that: The positioning panel (17) and the buffer gasket (18) are both provided with mounting holes (19), one end of the mounting hole (19) is threadedly connected to a fixing bolt (20), and the mounting hole (19) corresponds one-to-one to the connection hole.

6. The prefabricated and assembled arched steel structure according to claim 5, characterized in that: The inner support member (7) comprises a horizontal plate (22) fixed on the inner positioning plate (5), the two ends of the horizontal plate (22) are integrally connected with side support plates (23), and the side support plates (23) are provided with an arc surface (24) matching the prefabricated inner arc plate (8).

7. The prefabricated and assembled arched steel structure according to claim 6, characterized in that: A vertical steel pipe (25) is fixedly connected to the middle of the horizontal plate (22), an inner supporting steel pipe (26) is movably arranged inside the vertical steel pipe (25), arc-shaped corresponding limiting holes (27) are arranged on both the vertical steel pipe (25) and the inner supporting steel pipe (26), a positioning column (28) is arranged through the limiting hole (27), and an arc-shaped top supporting plate (29) is arranged on the top of the inner supporting steel pipe (26).

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