Prefabricated concrete structure

Abstract

The utility model discloses a prefabricated assembly type concrete structure which comprises a bearing part, a first connecting part, a second connecting part, a third connecting part and a fastener, the left side and the right side of the bearing part are respectively provided with a first connecting groove, and the upper side and the lower side of the bearing part are respectively provided with a second connecting groove. The periphery of the third connecting part at least extends outwards to be provided with two extending parts perpendicular to each other, prefabricated mounting grooves are formed in the sides, away from the third connecting part, of the extending parts, a first through hole and a second through hole are formed in one end of the bearing part, and the first through hole penetrates through the first connecting groove and the first connecting part. The second through hole penetrates through the second connecting groove and the second connecting part; a third through hole is formed in one end of the extending part and penetrates through the prefabricated mounting groove and the first connecting part; and the fasteners are respectively arranged in the first through hole, the second through hole and the third through hole in a penetrating manner. A splicing and assembling mode is adopted, welding treatment does not need to be carried out on connecting joints, the working intensity of operators is reduced, and the applicability of the frame is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of concrete, and specifically relates to a prefabricated assembled concrete structure. Background Art

[0002] The precast reinforced concrete frame is a structural system for residential industrialization, and all its components can be industrially produced. For all prefabricated precast concrete structures, their seismic performance will largely depend on the connection of components. Currently, most beam-column joints in frame structures adopt wet connection joints, where welding treatment is required at the joints, which is not convenient for subsequent disassembly of beams and columns by operators. Moreover, the welding method is relatively complex, which not only increases the working intensity of operators but also reduces the applicability of the frame. Summary of the Utility Model

[0003] In view of this, the purpose of the present utility model is to provide a prefabricated assembled concrete structure to solve the technical problems mentioned in the prior art.

[0004] The prefabricated assembled concrete structure includes:

[0005] A load-bearing part, with first connection grooves respectively arranged on the left and right sides of the load-bearing part, and second connection grooves respectively arranged on the upper and lower sides of the load-bearing part;

[0006] A first connection part, with both ends of the first connection part respectively inserted into two adjacent groups of the first connection grooves, for assembling two groups of the load-bearing parts in the horizontal direction;

[0007] A second connection part, with both ends of the second connection part respectively inserted into two adjacent groups of the second connection grooves, for assembling two groups of the load-bearing parts in the vertical direction;

[0008] A third connection part, with at least two mutually perpendicular extension parts extending outward around the third connection part, and a precast installation groove arranged on the side of the extension part away from the third connection part. One end of the second connection part away from the load-bearing part is inserted into the precast installation groove for assembling the third connection part and the load-bearing part;

[0009] One end of the load-bearing part is provided with a first through hole and a second through hole. The first through hole penetrates the first connection groove and the first connection part, and the second through hole penetrates the second connection groove and the second connection part;

[0010] One end of the extension part is provided with a third through hole, and the third through hole penetrates the precast installation groove and the first connection part;

[0011] Fasteners are respectively inserted into the first through hole, the second through hole and the third through hole, and are used to fix the load-bearing part to the first connecting part and the second connecting part or the extension part to the first connecting part.

[0012] Optionally, the fastener includes:

[0013] A screw rod is inserted into the first through hole, the second through hole or the third through hole, and both ends of the screw rod respectively extend to the opposite sides of the load-bearing part or the opposite sides of the extension part;

[0014] A nut is installed at the end of the screw rod.

[0015] Optionally, press caps are respectively arranged at both ends of the screw rod. A slot is arranged at one end of the press cap close to the screw rod. The slot is matched with the structure and size of the nut, and a first engaging part is arranged in the slot;

[0016] Second engaging parts are respectively arranged at both ends of the screw rod along the center line direction, so that the press cap is inserted on the nut, and the first engaging part is connected to the second engaging part.

[0017] Optionally, the ends of the first through hole, the second through hole and the third through hole are all countersunk hole structures, so that the press cap is embedded in the load-bearing part or the extension part.

[0018] Optionally, a nail-pulling part is arranged at one end of the press cap away from the slot.

[0019] Optionally, the load-bearing part, the first connecting part, the second connecting part and the third connecting part all have a steel cage base layer, and a concrete layer is cast on the surface layer of the steel cage base layer.

[0020] The beneficial effects that the present utility model can produce include:

[0021] The prefabricated assembled concrete structure provided by the present utility model has a load-bearing part, a first connecting part, a second connecting part, a third connecting part and fasteners. It adopts a splicing and assembling method, and there is no need to perform welding treatment on the connection nodes, thereby realizing the rapid forming of the wall, facilitating the subsequent disassembly of the beam and column by the operator, reducing the working intensity of the operator, and improving the applicability of the framework. Description of the Drawings

[0022] Figure 1 is a connection schematic diagram of the prefabricated assembled concrete structure of the present utility model;

[0023] Figure 2 is for the present utility model Figure 1 exploded view;

[0024] Figure 3 is an enlarged view of the fastener in the present utility model; Figure 2

[0025] Figure 4 is a schematic structural view of assembling four groups of load-bearing parts in the present utility model; Figure 1

[0026] In the figure: 1. Load-bearing part, 2. First connection groove, 3. Second connection groove, 4. First connection part, 5. Second connection part, 6. Third connection part, 7. Extension part, 8. Prefabricated installation groove, 9. First through hole, 10. Second through hole, 11. Third through hole, 12. Fastener, 13. Screw rod, 14. Nut, 15. Pressing cap, 16. Slot, 17. First engaging part, 18. Second engaging part, 19. Nail-pulling part. Detailed implementation manners

[0027] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments in the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0028] As Figures 1 to 4 ​​As shown in the figure, the utility model provides a prefabricated assembled concrete structure, which includes a load-bearing part 1, a first connecting part 4, a second connecting part 5, a third connecting part 6 and a fastener 12. Among them, the load-bearing part 1, the first connecting part 4, the second connecting part 5 and the third connecting part 6 all have a steel bar cage base layer, and a concrete layer is cast on the surface layer of the steel bar cage base layer; first connecting grooves 2 are pre-cast on the left and right sides of the load-bearing part 1 respectively, and second connecting grooves 3 are pre-cast on the upper and lower sides of the load-bearing part 1 respectively; both ends of the first connecting part 4 are inserted into two adjacent groups of first connecting grooves 2 respectively, for assembling two groups of load-bearing parts 1 in the horizontal direction; both ends of the second connecting part 5 are inserted into two adjacent groups of second connecting grooves 3 respectively, for assembling two groups of load-bearing parts 1 in the vertical direction; at least two mutually perpendicular extension parts 7 extend outwards around the third connecting part 6, and a prefabricated installation groove 8 is pre-cast on the side of the extension part 7 away from the third connecting part 6, and one end of the second connecting part 5 away from the load-bearing part 1 is inserted into the prefabricated installation groove 8, for assembling the third connecting part 6 and the load-bearing part 1; a first through hole 9 and a second through hole 10 are formed at one end of the load-bearing part 1, the first through hole 9 penetrates through the first connecting groove 2 and the first connecting part 4, and the second through hole 10 penetrates through the second connecting groove 3 and the second connecting part 5; a third through hole 11 is formed at one end of the extension part 7, and the third through hole 11 penetrates through the prefabricated installation groove 8 and the first connecting part 4; the fastener 12 is inserted into the first through hole 9, the second through hole 10 or the third through hole 11, for fixing the load-bearing part 1 and the first connecting part 4 and the second connecting part 5 or the extension part 7 and the first connecting part 4; it adopts a splicing and assembling method, without welding treatment at the connection nodes, so as to realize the rapid forming of the wall, facilitate the subsequent disassembly of the beam and column by the operator, reduce the working intensity of the operator, and improve the applicability of the frame.

[0029] In the above, the fastener 12 includes a screw 13 and a nut 14. The screw 13 is inserted through the first through hole 9, the second through hole 10 or the third through hole 11. Both ends of the screw 13 extend to the opposite sides of the load-bearing part 1 or the opposite sides of the extension part 7. The nut 14 is threadedly installed at the end of the screw 13 to lock the screw 13, thereby completing the assembly between the load-bearing part 1 and the first connecting part 4 and the second connecting part 5, and between the first connecting part 4 and the extension part 7. Further, in order to fully consider the seismic performance of the wall and prevent the nut 14 from loosening after being shaken, resulting in the ineffective fixing at the connection node; therefore, pressing caps 15 are respectively arranged at both ends of the screw 13. A slot 16 is opened at one end of the pressing cap 15 close to the screw 13. The slot 16 is matched with the structure and size of the nut 14. A first engaging part 17 is arranged in the slot 16. Second engaging parts 18 are respectively arranged at both ends of the screw 13 along the center line direction, so that the pressing cap 15 is inserted on the nut 14, and the first engaging part 17 is connected with the second engaging part 18, thereby enhancing the structural stability of the fastener 12. Among them, the ends of the first through hole 9, the second through hole 10 and the third through hole 11 are all countersunk hole structures, so that the pressing cap 15 is embedded in the load-bearing part 1 or the extension part 7, ensuring the flatness of the wall surface and facilitating the subsequent laying of waterproof layers and decorative layers on the wall surface. At the same time, a nail-pulling part 19 is arranged at the end of the pressing cap 15 away from the slot 16, and the pressing cap 15 can be taken out of the countersunk hole through the nail-pulling part 19, which is convenient for recycling and cost saving.

[0030] The above are only several embodiments of the present invention, and do not impose any form of limitation on the present invention. Although the present invention is disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art, without departing from the scope of the technical solution of the present invention, makes some changes or modifications using the technical content disclosed above, which are equivalent to equivalent implementation cases and all belong to the scope of the technical solution.

Claims

1. A prefabricated concrete structure, characterized in that, Comprising: A load-bearing part (1), with a first connecting groove (2) respectively arranged on the left and right sides of the load-bearing part (1), and a second connecting groove (3) respectively arranged on the upper and lower sides of the load-bearing part (1); A first connecting part (4), with both ends of the first connecting part (4) respectively inserted into two adjacent groups of the first connecting grooves (2) for assembling two groups of the load-bearing parts (1) in the horizontal direction; A second connecting part (5), with both ends of the second connecting part (5) respectively inserted into two adjacent groups of the second connecting grooves (3) for assembling two groups of the load-bearing parts (1) in the vertical direction; A third connecting part (6), with at least two mutually perpendicular extending parts (7) extending outward around the third connecting part (6), and a prefabricated installation groove (8) arranged on one side of the extending part (7) far away from the third connecting part (6), and one end of the second connecting part (5) far away from the load-bearing part (1) is inserted into the prefabricated installation groove (8) for assembling the third connecting part (6) and the load-bearing part (1); One end of the load-bearing part (1) is provided with a first through hole (9) and a second through hole (10), the first through hole (9) penetrates through the first connecting groove (2) and the first connecting part (4), and the second through hole (10) penetrates through the second connecting groove (3) and the second connecting part (5); One end of the extending part (7) is provided with a third through hole (11), and the third through hole (11) penetrates through the prefabricated installation groove (8) and the first connecting part (4); Fasteners (12), which are respectively arranged in the first through hole (9), the second through hole (10) and the third through hole (11) for fixing the load-bearing part (1) and the first connecting part (4) and the second connecting part (5) or the extending part (7) and the first connecting part (4).

2. The prefabricated precast concrete structure according to claim 1, wherein The fasteners (12) include: A screw rod (13), which is arranged in the first through hole (9), the second through hole (10) or the third through hole (11), and both ends of the screw rod (13) respectively extend to the opposite sides of the load-bearing part (1) or the opposite sides of the extending part (7); Nuts (14), which are installed at the ends of the screw rod (13).

3. The prefabricated precast concrete structure according to claim 2, wherein Both ends of the screw rod (13) are respectively provided with pressing caps (15), one end of the pressing cap (15) close to the screw rod (13) is provided with a slot (16), the slot (16) is matched with the structure and size of the nut (14), and a first engaging part (17) is arranged in the slot (16); Both ends of the screw rod (13) are respectively provided with second engaging parts (18) along the center line direction, so that the pressing cap (15) is inserted on the nut (14), and the first engaging part (17) is connected with the second engaging part (18).

4. The prefabricated precast concrete structure according to claim 3, wherein The ends of the first through hole (9), the second through hole (10) and the third through hole (11) are all countersunk hole structures, so that the compression cap (15) is embedded on the load-bearing part (1) or the extension part (7).

5. The prefabricated and assembled concrete structure according to claim 4, characterized in that One end of the compression cap (15) away from the slot (16) is provided with a nail-pulling part (19).

6. The prefabricated precast concrete structure according to claim 1, characterized in that, The load-bearing part (1), the first connecting part (4), the second connecting part (5) and the third connecting part (6) all have a steel cage base layer, and a concrete layer is cast on the surface layer of the steel cage base layer.

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