Fabricated house bearing structure

Abstract

The utility model discloses an assembly type house bearing structure which comprises a concrete prefabricated column and a concrete prefabricated beam, square steel is arranged at the end of the concrete prefabricated column, I-shaped steel is arranged at the end of the concrete prefabricated beam, the assembly type house bearing structure further comprises cross-shaped steel, a steel plate at the end of the cross-shaped steel is a narrow plate, and a steel plate in the middle of the cross-shaped steel is a wide plate. A first annular connecting plate perpendicular to the narrow plate and the wide plate is arranged at the joint of the narrow plate and the wide plate, a second connecting plate perpendicular to the square steel is arranged on the outer side of the end of the square steel, the middle of each side of the second connecting plate extends outwards to form a reinforcing connecting plate, and the two ends of the cross-shaped steel are located in the square steel of the upper concrete prefabricated column and the lower concrete prefabricated column respectively. The cross-shaped steel and the concrete prefabricated column are connected in the mode that bolts penetrate through connecting holes in the first connecting plate and the second connecting plate, the cross-shaped steel and the concrete prefabricated beam are connected in the mode that bolts penetrate through connecting holes in the wide plate and the web plate, and the concrete prefabricated column and the concrete prefabricated beam are connected in the mode that bolts penetrate through connecting holes in the reinforcing connecting plate and the flange plate. Concrete is poured into the connecting joints of the upper and lower concrete prefabricated columns and the concrete prefabricated beams; the bearing structure concrete prefabricated column-concrete prefabricated beam joint is high in connection strength.

Description

TECHNICAL FIELD

[0001] The utility model relates to a fabricated building, in particular to a fabricated house bearing structure. BACKGROUND

[0002] With the acceleration of the building industrialization process, the fabricated building gradually replaces the traditional cast-in-situ structure by virtue of the advantages of component production standardization, controllability of quality and short construction period. The core prefabricated components include: concrete prefabricated columns, concrete prefabricated beams, concrete prefabricated floors, concrete prefabricated wallboards and the like, and the rapid assembly is realized through modular hoisting and node connection.

[0003] At present, the node connection of the concrete prefabricated column-concrete prefabricated beam mostly adopts rigid mechanical connection technology, and the typical implementation scheme is as follows: a steel plate with bolt holes is arranged at the end of the concrete prefabricated column, an I-steel is arranged at the end of the concrete prefabricated beam, and the I-steel web and the column end steel plate are bolted through high-strength bolts. The node connection strength of the concrete prefabricated column-concrete prefabricated beam is limited, and is not suitable for application in earthquake-prone areas or special scenes such as large-span industrial plants. SUMMARY

[0004] Therefore, the utility model aims at providing a fabricated house bearing structure to improve the node connection strength of the concrete prefabricated column-concrete prefabricated beam.

[0005] The utility model aims at realizing the following technical scheme:

[0006] A fabricated house bearing structure, which comprises a concrete prefabricated column and a concrete prefabricated beam, the end of the concrete prefabricated column is provided with a square steel, the end of the concrete prefabricated beam is provided with an I-steel, and it further comprises a cross-shaped steel, the steel plate at the end of the cross-shaped steel is a narrow plate, the steel plate in the middle is a wide plate, the wide plate and the web of the I-steel are provided with opposite connecting holes, the combination part of the narrow plate and the wide plate is provided with a ring-shaped first connecting plate which is perpendicular to the combination part, the outer side of the end of the square steel is provided with a second connecting plate which is perpendicular to the end of the square steel, the first connecting plate and the second connecting plate are circumferentially distributed and provided with opposite connecting holes, the middle part of each side of the second connecting plate is extended outward to form a reinforcing connecting plate, the reinforcing connecting plate and the flange plate of the I-steel are provided with opposite connecting holes, the two ends of the cross-shaped steel are located in the square steels of the upper and lower concrete prefabricated columns respectively, the cross-shaped steel and the concrete prefabricated column are connected through bolts penetrating the connecting holes on the first connecting plate and the second connecting plate, the cross-shaped steel and the concrete prefabricated beam are connected through bolts penetrating the connecting holes on the wide plate and the web, the concrete prefabricated column and the concrete prefabricated beam are connected through bolts penetrating the connecting holes on the reinforcing connecting plate and the flange plate, and the node connecting part of the upper and lower concrete prefabricated columns and the concrete prefabricated beam is poured with concrete.

[0007] Further, the cross-shaped steel is provided with reinforcing rib plates on the four corners between the two first connecting plates.

[0008] Further, the connecting holes on the wide plate and the web are long strip-shaped connecting holes arranged along the length direction of the concrete precast beam.

[0009] Further, the connecting holes on the reinforcing connecting plate and the flange plate are long strip-shaped connecting holes arranged along the length direction of the concrete precast beam.

[0010] Further, the cross section of the cross-shaped steel is a "cross" shape.

[0011] Further, the end of the narrow plate is vertically provided with a wing plate.

[0012] The beneficial effects of the present application are as follows:

[0013] The two concrete precast columns are connected through the cross-shaped steel, the web of the I-shaped steel of the concrete precast beam is connected with the cross-shaped steel, and the two flange plates of the I-shaped steel of the concrete precast beam are connected with the reinforcing connecting plates of the square steel of the upper and lower concrete precast columns, so that the node connection strength of the load-bearing structure concrete precast column-concrete precast beam is high.

[0014] The reinforcing rib plates between the two first connecting plates of the cross-shaped steel can further enhance the strength of the load-bearing structure.

[0015] The vertical wing plate at the end of the narrow plate can further enhance the strength of the load-bearing structure.

[0016] The other advantages, objects and features of the present application will be described in the following description, and will be apparent to those skilled in the art based on the following description, or can be taught from the practice of the present application. The objects and other advantages of the present application can be achieved and obtained by the following description. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to make the objects, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the drawings, in which:

[0018] Figure 1 It is a perspective view of the present application before pouring concrete.

[0019] Figure 2 It is a perspective view of the present application before pouring concrete. Figure 1 It is a perspective view of the cross-shaped steel connecting the upper and lower two concrete precast columns.

[0020] Figure 3 for Figure 1 Another perspective of the three-dimensional view of the cross-shaped steel connecting the upper and lower precast concrete columns.

[0021] Figure 4 for Figure 1 A three-dimensional view of a precast concrete column.

[0022] Figure 5 for Figure 1 A three-dimensional view of a precast concrete beam.

[0023] Figure 6 for Figure 1 A 3D view of a cross-shaped steel section.

[0024] Figure 7 for Figure 1 Top view of the central cross-shaped steel section.

[0025] In the diagram: 1. Precast concrete column; 2. Precast concrete beam; 3. Square steel; 4. Second connecting plate; 5. Reinforcing connecting plate; 6. I-beam; 7. Cross-shaped steel; 8. Narrow plate; 9. Wide plate; 10. First connecting plate; 11. Reinforcing rib plate; 12. Web plate; 13. Flange plate. Detailed Implementation

[0026] The preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings. It should be understood that the preferred embodiments are for illustrative purposes only and are not intended to limit the scope of protection of the present invention.

[0027] Example 1

[0028] like Figures 1-7 The prefabricated house load-bearing structure shown includes precast concrete columns 1 and precast concrete beams 2. (As shown...) Figure 4 As shown, the end of the precast concrete column 1 is provided with a square steel 3, and a second connecting plate 4 perpendicular to the outer side of the end of the square steel 3 is provided. This structure and production method of the precast concrete column 1 are existing technologies and will not be described in detail here. The improvement lies in the fact that a reinforcing connecting plate 5 is formed by extending outward from the middle of each side of the second connecting plate 4. Figure 5 As shown, the ends of the precast concrete beam 2 are equipped with I-beams 6. The structure and production method of such precast concrete beams are existing technologies and will not be described in detail here. Figure 6 and 7As shown, it further comprises a cross-shaped steel 7, the cross-shaped steel 7 has a cross section in the shape of "cross", the end of the cross-shaped steel 7 is a narrow plate 8, the middle of the cross-shaped steel 7 is a wide plate 9, the joint of the narrow plate 8 and the wide plate 9 is welded with a first connecting plate 10 which is perpendicular to the joint, the four corners between the two first connecting plates 10 of the cross-shaped steel 7 are welded with a reinforcing rib plate 11 which is located on the diagonal line of the four corners. Figures 1-3 As shown, the two ends of the cross-shaped steel 7 are located in the square steel 3 of the upper and lower concrete prefabricated columns 1 respectively, the cross-shaped steel 7 is connected with the concrete prefabricated columns 1 through the connecting holes in the first connecting plate 10 and the second connecting plate 4, the cross-shaped steel 7 is connected with the concrete prefabricated beam 2 through the connecting holes in the wide plate 9 and the web plate 12, the concrete prefabricated columns 1 are connected with the concrete prefabricated beam 2 through the connecting holes in the reinforcing connecting plate 5 and the flange plate 13, and the connecting holes in the wide plate 9 and the web plate 12 and the connecting holes in the reinforcing connecting plate 5 and the flange plate 13 are all long strip-shaped connecting holes which are arranged along the length direction of the concrete prefabricated beam 2.

[0029] When the load-bearing structure is assembled, the lower concrete prefabricated column 1 is first installed, then the lower end of the cross-shaped steel 7 is placed in the square steel 3 of the concrete prefabricated column 1, and the lower first connecting plate 10 of the cross-shaped steel 7 is connected with the second connecting plate 4 of the square steel 3 of the concrete prefabricated column 1 through bolts, then the upper concrete prefabricated column 1 is installed so that the square steel 3 of the upper concrete prefabricated column 1 is sleeved on the upper end of the cross-shaped steel 7, and the upper first connecting plate 10 of the cross-shaped steel 7 is connected with the second connecting plate 4 of the square steel 3 of the upper concrete prefabricated column 1 through bolts, then the concrete prefabricated beam 2 is installed, and the web plate 12 of the I-shaped steel of the concrete prefabricated beam 2 is connected with the wide plate 9 of the cross-shaped steel 7, and the flange plate 13 is connected with the reinforcing connecting plate 5 of the square steel 3 of the upper and lower concrete prefabricated columns 1 respectively through bolts.

[0030] The load-bearing structure of the prefabricated house is characterized in that the square steel 3 of the upper and lower concrete prefabricated columns 1 is connected through the cross-shaped steel 7, the web plate 12 of the I-shaped steel 6 of the concrete prefabricated beam 2 is connected with the cross-shaped steel 7, and the two flange plates 13 of the I-shaped steel 6 of the concrete prefabricated beam 2 are connected with the reinforcing connecting plates 5 of the square steels 3 of the upper and lower concrete prefabricated columns 1 respectively, so that the load-bearing structure has high connection strength of the concrete prefabricated column-concrete prefabricated beam joint. The second connecting plate 4 of the square steel 3 of the concrete prefabricated column 1 is connected with the first connecting plate 10 of the cross-shaped steel 7 and the flange plate 13 of the I-shaped steel of the concrete prefabricated beam 2 through the reinforcing connecting plate 5, so that the structure is compact. The reinforcing rib plate 11 between the two first connecting plates 10 of the cross-shaped steel 7 can further enhance the strength of the load-bearing structure.

[0031] Embodiment two

[0032] On the basis of embodiment one, wing plates are vertically arranged at the ends of the narrow plates 8, and the ends of the narrow plates 8 are vertically provided with the wing plates, so as to further enhance the strength of the load-bearing structure.

[0033] Finally, it should be pointed out that the above embodiments are only used to illustrate the technical solutions of the present application and are not limiting. Although the present application has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solutions of the present application can be modified or replaced equivalently without departing from the purpose and scope of the present application, and all should be covered in the scope of the claims of the present application.

Claims

1. A prefabricated house load-bearing structure, comprising a concrete prefabricated column (1) and a concrete prefabricated beam (2), the end of the concrete prefabricated column (1) is provided with a square steel (3), and the end of the concrete prefabricated beam (2) is provided with an I-steel (6), characterized in that: It also includes a cross-shaped steel (7), the end of which is a narrow plate (8), the middle of which is a wide plate (9), the wide plate (9) is provided with opposite connecting holes with the web (12) of the I-shaped steel (6), the narrow plate (8) is provided with a first connecting plate (10) perpendicular to it at the joint with the wide plate (9), the outer side of the end of the square steel (3) is provided with a second connecting plate (4) perpendicular to it, the first connecting plate (10) and the second connecting plate (4) are provided with opposite connecting holes distributed circumferentially, the outer side of the middle of each side of the second connecting plate (4) is extended to form a reinforcing connecting plate (5), the reinforcing connecting plate (5) and the flange plate (13) of the I-shaped steel (6) are provided with opposite connecting holes, the two ends of the cross-shaped steel (7) are located in the square steel (3) of the upper and lower concrete prefabricated columns (1) respectively, the cross-shaped steel (7) and the concrete prefabricated column (1) are connected through the connecting holes on the first connecting plate (10) and the second connecting plate (4) by bolts, the cross-shaped steel (7) and the concrete prefabricated beam (2) are connected through the connecting holes on the wide plate (9) and the web (12) by bolts, the concrete prefabricated column (1) and the concrete prefabricated beam (2) are connected through the connecting holes on the reinforcing connecting plate (5) and the flange plate (13) by bolts, and the upper and lower concrete prefabricated columns (1) and the concrete prefabricated beam (2) are connected nodes are poured with concrete.

2. The prefabricated load-bearing structure of claim 1, wherein: The cross-shaped steel (7) is provided with a reinforcing rib plate (11) on the opposite diagonal lines at the four corners between the two first connecting plates.

3. The prefabricated load bearing structure of claim 1, wherein: The connecting holes on the wide plate (9) and the web (12) are long strip-shaped connecting holes arranged along the length direction of the concrete prefabricated beam.

4. The prefabricated load bearing structure of claim 1, wherein: The connecting holes on the reinforcing connecting plate (5) and the flange plate (13) are long strip-shaped connecting holes arranged along the length direction of the concrete prefabricated beam.

5. The prefabricated load-bearing structure of any one of claims 1 to 4, characterized in that: The cross section of the cross-shaped steel (7) is "X" shaped.

6. The prefabricated load-bearing structure of claim 5, wherein: The end of the narrow plate (8) is provided with a wing plate vertically.

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