Connecting structure of prefabricated concrete beam column

Abstract

The utility model relates to a connecting structure of a prefabricated concrete beam column, and belongs to the technical field of constructional engineering. The prefabricated column comprises at least two prefabricated beam bodies and a prefabricated column body, a connecting groove is formed in one end of each prefabricated beam body, a connecting protrusion is arranged at the other end of each prefabricated beam body, the connecting protrusions are matched with the connecting grooves in an inserted connection mode, two matching plates are arranged on the top of the prefabricated column body, the two matching plates are arranged on the two sides respectively, and the two matching plates are matched with the connecting grooves in an inserted connection mode. A connecting cavity allowing the ends of the prefabricated beam bodies to be placed is formed between the two matching plates, the two prefabricated beam bodies are matched in an inserted mode through the connecting protrusions and the connecting grooves and located in the connecting cavity, and the matching plates and the prefabricated beam bodies are fixed through connecting bolts. And the connecting bolt penetrates through the connecting bulge and the two matching plates. The structure has the effect of being convenient to assemble and form.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of building engineering, in particular to a connecting structure of a prefabricated concrete beam column. BACKGROUND

[0002] The column is a vertical force member responsible for transmitting the load on the beam. The beam is a horizontal member that bears the load of the roof panel. The beam transfers the load to the column, and the column transfers the load to the foundation, and the foundation transfers the load to the foundation. The connecting structure of the beam column is a node structure for connecting the beam and the column together, and the connecting structure of the prefabricated concrete beam column is a node structure for assembling the prefabricated beam and the prefabricated column made of concrete in advance.

[0003] The existing connecting structure of the prefabricated concrete beam column includes a prefabricated beam and a prefabricated column. The prefabricated column is vertically arranged, and the prefabricated beam is horizontally arranged. The end of the prefabricated beam is placed on the top of the prefabricated column. Then, a formwork is installed to form a space for pouring cast-in-place concrete at the position where the prefabricated beam and the prefabricated column are connected. The connecting structure between the end of the prefabricated beam and the prefabricated column is completed by cast-in-place concrete, and the prefabricated beam and the prefabricated column are fixed by the cast-in-place concrete.

[0004] The above connecting structure needs to install a formwork during pouring, and the formwork needs to be removed after pouring. The assembly is not convenient, and the connection strength is not high. CONTENT OF THE INVENTION

[0005] In order to facilitate the assembly of the connecting structure of the beam column, the present application provides a connecting structure of a prefabricated concrete beam column.

[0006] The connecting structure of the prefabricated concrete beam column provided by the present application adopts the following technical scheme:

[0007] A connecting structure of a prefabricated concrete beam column, comprising a prefabricated beam body and a prefabricated column body, the prefabricated beam body is at least two, one end of the prefabricated beam body is provided with a connecting groove, the other end is provided with a connecting protrusion, the connecting protrusion is inserted and matched with the connecting groove, the top of the prefabricated column body is provided with a matching plate, the matching plate has two, the two matching plates are arranged on both sides, and the connecting cavity for accommodating the end of the prefabricated beam body is formed between the two matching plates, the two prefabricated beam bodies are inserted and matched through the connecting protrusion and the connecting groove and located in the connecting cavity, the matching plate and the prefabricated beam body are fixed through connecting bolts, and the connecting bolts pass through the connecting protrusion and the two matching plates.

[0008] By adopting the technical scheme, the end of the prefabricated beam body can be clamped in the connecting cavity formed between the matching plates, the movement of the prefabricated beam body in the horizontal plane is limited, the end of the two prefabricated beam bodies is matched by the connecting convex and the connecting groove, the two prefabricated beam bodies are assembled and matched, the reinforcement between the prefabricated column body and the two prefabricated beam bodies is finally completed by the connecting bolts, the connection between the prefabricated beam body and the prefabricated column body is finally realized, the whole connecting structure is more direct, and it is not necessary to erect a pouring formwork, but it is necessary to inject concrete into the gap between the prefabricated beam body and the prefabricated column body, the matching plate can also be used as the pouring formwork, and it is not necessary to erect a separate pouring formwork, and it is not necessary to remove the pouring formwork subsequently.

[0009] Optionally, the side wall of the top of the prefabricated column body is provided with a supporting block, and the supporting block is at least two and one-to-one abuts against and supports the two prefabricated beam bodies.

[0010] By adopting the technical scheme, the side wall of the top of the prefabricated column body is provided with a supporting block, the prefabricated beam body is further supported by the supporting block, the support of the prefabricated column body on the prefabricated beam body is improved, and the arrangement of the prefabricated beam body is more stable.

[0011] Optionally, the upper side wall of the two ends of the prefabricated beam body is provided with a pouring reinforcement hole, the upper side wall of the two ends of the prefabricated beam body is provided with a pouring channel, the pouring reinforcement hole and the pouring channel are one-to-one and in communication with each other, and the two pouring channels of the two ends of the two prefabricated beam bodies are in communication.

[0012] By adopting the technical scheme, the pouring reinforcement hole and the pouring channel are arranged on the upper side wall of the prefabricated beam body, the two prefabricated beam bodies are connected more firmly by the cast-in-place concrete, the movement of the two prefabricated beam bodies away from each other is prevented, and the connection state is maintained.

[0013] Optionally, the top wall of the prefabricated column body is provided with a pouring groove, the two ends of the prefabricated beam body are provided with pouring vertical grooves on the two sides in the width direction, and the pouring vertical groove of one end of the prefabricated beam body located at the top of the prefabricated column body is in communication with the pouring groove.

[0014] By adopting the technical scheme, the pouring groove is arranged on the prefabricated column body, the gap between the prefabricated beam body and the prefabricated column body can still be poured with concrete, and then the connection between the prefabricated column body and the prefabricated beam body is improved after the pouring groove is filled with the cast-in-place concrete, the connecting bolt is not easy to fall off by itself, and the pouring vertical groove is conducive to pouring the concrete into the pouring groove.

[0015] Optionally, the opposite side walls of the two matching plates are provided with pouring reinforcement grooves, and the pouring vertical groove of one end of the prefabricated beam body located at the top of the prefabricated column body is in communication with the pouring reinforcement groove.

[0016] By adopting the technical scheme, the connecting strength between the cast-in-place concrete part and the prefabricated column is higher by opening the pouring reinforcing grooves on the opposite side walls of the matching plates.

[0017] Optionally, the connecting plate is arranged above the prefabricated beam body away from the prefabricated column, and the connecting plate is bolted at both ends corresponding to the two prefabricated beam bodies.

[0018] By adopting the technical scheme, the connecting strength between the two prefabricated beam bodies is reinforced by the connecting plate.

[0019] Optionally, the height of the matching plate is greater than the height of the prefabricated beam body, and the connecting plate is clamped between the two matching plates.

[0020] By adopting the technical scheme, the matching plate is higher than the prefabricated beam body, so that the connecting plate can also be limited by the matching plate, facilitating the position determination and assembly of the connecting plate.

[0021] Optionally, the prefabricated beam body includes a main body part in the middle and a connecting part at both ends, the width of the connecting part is less than the width of the main body part, the connecting part is located between the two matching plates, and the stepped surface between the main body part and the connecting part abuts against the matching plate.

[0022] By adopting the technical scheme, when the prefabricated beam body is installed on the prefabricated column, the position of the prefabricated beam body installation can be better determined by the abutment of the main body part and the prefabricated column, and the installation process is more convenient.

[0023] In summary, by arranging the matching plate on the top of the prefabricated column, the end part of the prefabricated beam body can be clamped in the connecting cavity formed between the matching plates, and the movement of the prefabricated beam body in the horizontal plane is limited, the end part of the two prefabricated beam bodies is connected by the connecting protrusion and the connecting groove to realize the assembly and cooperation between the two prefabricated beam bodies, and finally the prefabricated column and the two prefabricated beam bodies are reinforced by the connecting bolts, so as to realize the connection between the prefabricated beam body and the prefabricated column, the whole connecting structure is more direct, and it is not necessary to erect a pouring formwork, but to inject concrete into the gap between the prefabricated beam body and the prefabricated column, the matching plate can also be used as a pouring formwork, and it is not necessary to erect a separate pouring formwork, and it is not necessary to remove it later. BRIEF DESCRIPTION OF DRAWINGS

[0024] Figure 1 is a schematic view of the connecting structure in the embodiment of the application;

[0025] Figure 2 is a structural schematic view of the top of the prefabricated column in the embodiment of the application;

[0026] Figure 3is a structural schematic diagram of a prefabricated beam body in the embodiment of the present application;

[0027] Figure 4 is a structural schematic diagram of a connecting structure without a connecting plate in the embodiment of the present application.

[0028] Mark explanation: 1, prefabricated beam body; 11, main body part; 12, connecting part; 13, connecting groove; 14, connecting protrusion; 15, pouring reinforcement hole; 16, pouring channel; 17, pouring vertical groove; 2, prefabricated column body; 21, base; 22, matching plate; 23, connecting cavity; 24, pouring reinforcement groove; 25, support block; 26, inclined support block; 27, pouring groove; 3, connecting plate; 4, connecting bolt. DETAILED DESCRIPTION

[0029] The following will be combined with the Figures 1-4 The present application is further described in detail.

[0030] The embodiment of the present application discloses a connecting structure of prefabricated assembly type concrete beam column.

[0031] Reference Figure 1 A connecting structure of prefabricated assembly type concrete beam column, comprising a prefabricated beam body 1, a prefabricated column body 2 and a connecting plate 3, wherein according to the position of the beam column connecting structure, there are various cases: including the case of cooperation of four prefabricated beam bodies 1 and one prefabricated column body 2; the case of cooperation of two prefabricated beam bodies 1 and one prefabricated column body 2, the case of cooperation of three prefabricated beam bodies 1 and one prefabricated column body 2, taking the cooperation of four prefabricated beam bodies 1 and the prefabricated column body 2 as an example for description, and other cases are reduced by corresponding prefabricated beam bodies 1 or only the end part of the prefabricated beam body 1 is left to complete the connection with the prefabricated column body 2.

[0032] Reference Figure 2 , the prefabricated column body 2 is in the shape of a regular quadrangular prism as a whole, the bottom of the prefabricated column body 2 is integrally provided with a base 21, the base 21 is also in the shape of a regular quadrangular prism, the size of the base 21 is larger than that of the prefabricated column body 2, and the prefabricated column body 2 is located in the middle of the base 21, the top of the prefabricated column body 2 is integrally provided with two matching plates 22, the two matching plates 22 are oppositely arranged, a connecting cavity 23 is formed between the two matching plates 22, pouring reinforcement grooves 24 are formed in the opposite side walls of the two matching plates 22, there are two pouring reinforcement grooves 24 on each matching plate 22, the two pouring reinforcement grooves 24 are oppositely arranged on the left and right sides, a support block 25 is suspendingly arranged on the side wall of the top of the prefabricated column body 2, in the embodiment, there are four support blocks 25, the four support blocks 25 are oppositely arranged on the four sides of the prefabricated column body 2, an inclined support block 26 is arranged on the lower side of the support block 25 close to the prefabricated column body 2, so as to improve the support strength of the prefabricated column body 2 to the support block 25, and a pouring groove 27 is surrounded by the two support blocks 25 and the two matching plates 22 located on the two sides of the matching plates 22.

[0033] With reference to Figure 3 , the first type of prefabricated beam body 1 includes a main body part 11 located in the middle and connecting parts 12 located at both ends, the width of the connecting part 12 is smaller than the width of the main body part 11, the connecting part 12 is located between the two matching plates 22, and the stepped surface between the main body part 11 and the connecting part 12 abuts the matching plate 22, one of the connecting parts 12 is provided with a connecting groove 13 along the length direction of the prefabricated beam body 1, the other connecting part 12 is provided with a connecting protrusion 14 extending along the length direction of the prefabricated beam body 1, the connecting protrusion 14 is inserted and matched with the connecting groove 13, the upper side walls of the two connecting parts 12 are provided with pouring reinforcing holes 15 along the thickness direction of the prefabricated beam body 1, and the upper side walls of the two connecting parts 12 are provided with pouring channels 16 along the length direction of the prefabricated beam body 1, one end of the pouring channel 16 on each connecting part 12 is communicated with the pouring reinforcing hole 15, and the other end is open at the end surface of the prefabricated beam body 1, when the two prefabricated beam bodies 1 are inserted and matched through the connecting protrusion 14 and the connecting groove 13, the two pouring channels 16 at the two ends of the two prefabricated beam bodies 1 are communicated, and the connecting part 12 is provided with pouring vertical grooves 17 on both sides in the width direction, and the pouring vertical grooves 17 are vertically provided along the thickness direction of the prefabricated beam body 1.

[0034] The second type of prefabricated beam body 1 only has a main body part 11 and a connecting part 12 provided with a connecting groove 13; the third type of prefabricated beam body 1 only has a main body part 11 and a connecting part 12 provided with a connecting protrusion 14.

[0035] With reference to Figure 2 , Figure 3 and Figure 4 , the first type of prefabricated beam body 1 has two, the two prefabricated beam bodies 1 are inserted and matched through the connecting protrusion 14 and the connecting groove 13 and located in the connecting cavity 23, the four pouring vertical grooves 17 of the two connecting parts 12 are communicated with the pouring groove 27, the four pouring vertical grooves 17 are communicated with the four pouring reinforcing grooves 24 one by one, and the side wall positions of the connecting part 12 corresponding to the pouring reinforcing grooves 24 are also provided with the pouring reinforcing grooves 24 one by one, so that the cast-in-place concrete and the prefabricated beam body 1 are also reinforced, the matching plate 22 and the prefabricated beam body 1 are fixed through the connecting bolt 4, the connecting bolt 4 passes through the connecting protrusion 14 and the two matching plates 22, the connecting bolt 4 has two, the two connecting bolts 4 are arranged upper and lower, the connecting plate 3 is located between the two matching plates 22, the height of the matching plate 22 is greater than the height of the prefabricated beam body 1, the connecting plate 3 is clamped between the two matching plates 22 and is equal in height to the matching plate 22, and the connecting plate 3 is located above the prefabricated beam body 1 away from the prefabricated column body 2, and the connecting plate 3 is bolted and fixed at both ends corresponding to the two prefabricated beam bodies 1.

[0036] The second and third prefabricated beam bodies 1 are each provided with one, and the main body part 11 is abutted with the cooperation plate 22 at the end away from the connecting part 12, and the main body part 11 is provided with a hole for embedding the screw head or nut of the connecting bolt 4, so as to limit the position of the prefabricated beam body 1, and the connecting parts 12 of the two prefabricated beam bodies 1 can be connected on the other prefabricated column body 2, and the four supporting blocks 25 of the prefabricated column body 2 abut and support the four prefabricated beam bodies 1 one by one, and the bolt connecting the prefabricated beam body 1 and the connecting plate 3 can be screwed through the supporting block 25.

[0037] According to the position of the prefabricated column body 2, the three prefabricated beam bodies 1 can be selected correspondingly to complete the connection of the two or three prefabricated beam bodies 1 and the prefabricated column body 2.

[0038] The implementation principle of the prefabricated assembly type concrete beam column connection structure of the embodiment of the application is that the connection of the prefabricated beam body 1 and the supporting block 25 is completed, then the two prefabricated beam bodies 1 are inserted and connected, after pouring concrete, the installation of the connecting plate 3 is completed, and the prefabricated beam body 1 and the prefabricated column body 2 are not only fixed by cast-in-place concrete, but also reinforced by the bolt.

[0039] The above are the preferred embodiments of the application, and are not limited to the protection scope of the application, so that: any equivalent changes made according to the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A connection structure of a precast fabricated concrete beam-column, characterized by: The utility model provides a prefabricated beam and column structure, which comprises a prefabricated beam body (1) and a prefabricated column body (2), the prefabricated beam body (1) is at least two, one end of the prefabricated beam body (1) is provided with a connecting groove (13), the other end is provided with a connecting convex (14), the connecting convex (14) is inserted with the connecting groove (13) and matches, the top of the prefabricated column body (2) is provided with a matching plate (22), the matching plate (22) has two, two matching plates (22) are separately arranged on two sides, and the connecting cavity (23) for the end of the prefabricated beam body (1) is formed between two matching plates (22), two prefabricated beam bodies (1) are inserted with the connecting convex (14) and the connecting groove (13) and are located in the connecting cavity (23), and the matching plate (22) is fixed with the prefabricated beam body (1) through the connecting bolt (4), and the connecting bolt (4) passes through the connecting convex (14) and two matching plates (22).

2. The connecting structure of the precast fabricated concrete beam-column according to claim 1, characterized in that: The side wall of the top of the prefabricated column body (2) is provided with a supporting block (25) in overhang mode, the supporting block (25) is at least two and abuts against two prefabricated beam bodies (1) one by one.

3. The connecting structure of the precast fabricated concrete beam-column according to claim 1, characterized in that: The upper side wall of the two ends of the prefabricated beam body (1) is provided with a pouring reinforcing hole (15), the upper side wall of the two ends of the prefabricated beam body (1) is provided with a pouring channel (16), the pouring reinforcing hole (15) and the pouring channel (16) are communicated with each other one by one, and the two pouring channels (16) of the two ends of the two prefabricated beam bodies (1) are communicated.

4. The connecting structure of the precast fabricated concrete beam-column according to claim 1, characterized in that: The top wall of the prefabricated column body (2) is provided with a pouring groove (27), the two ends of the prefabricated beam body (1) are provided with a pouring vertical groove (17) on the two sides in the width direction, and the pouring vertical groove (17) of one end of the prefabricated beam body (1) located at the top of the prefabricated column body (2) is communicated with the pouring groove (27).

5. The connecting structure of precast fabricated concrete beam-column according to claim 4, characterized in that: The opposite side walls of the two matching plates (22) are provided with pouring reinforcing grooves (24), and the pouring vertical groove (17) of one end of the prefabricated beam body (1) located at the top of the prefabricated column body (2) is communicated with the pouring reinforcing groove (24).

6. The connecting structure of precast fabricated concrete beam-column according to claim 1, characterized in that: The utility model also comprises a connecting plate (3), the connecting plate (3) is located above the prefabricated beam body (1) away from the prefabricated column body (2), and the connecting plate (3) is bolted at two ends corresponding to two prefabricated beam bodies (1).

7. The connection structure of precast fabricated concrete beam-column according to claim 6, characterized in that: The height of the matching plate (22) is greater than the height of the prefabricated beam body (1), and the connecting plate (3) is clamped between the two matching plates (22).

8. The connecting structure of precast fabricated concrete beam-column according to claim 1, characterized in that: The prefabricated beam body (1) comprises a main body part (11) located in the middle and a connecting part (12) located at two ends, the width of the connecting part (12) is less than the width of the main body part (11), the connecting part (12) is located between the two matching plates (22), and the stepped surface between the main body part (11) and the connecting part (12) abuts against the matching plate (22).

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