Fabricated node shear-resistant connecting structure

Abstract

The utility model relates to the field of beam column joint connecting structures, in particular to an assembly type joint shear-resistant connecting structure which comprises a column body and a cross beam, a first connecting groove and a second connecting groove are formed in the column body, a connecting plate is arranged on one side of the column body, a steel pipe groove is formed in the cross beam, and a steel pipe is fixed in the steel pipe groove. The end, provided with a thread, of a steel pipe sequentially penetrates through a second connecting groove and a connecting plate, the end, provided with the thread, of the steel pipe is fixed through a nut, a screw sequentially penetrates through a connecting part at one end of a cross beam, a first connecting groove and the interior of the connecting plate, and the two ends of the screw are fixed through nuts; the first reinforcing sleeve and the second reinforcing sleeve are arranged at the joint of the column body and the cross beam, the connecting screw rod of the column body and the cross beam penetrates through the first reinforcing sleeve, and the steel pipe in the cross beam penetrates through the second reinforcing sleeve, so that the part, located at the joint of the column body and the cross beam, of the screw rod and the steel pipe is reinforced; therefore, the shear resistance of the connection node is enhanced.

Description

Technical Field

[0001] The utility model relates to the field of beam-column node connection structures, in particular to an assembled node shear-resistant connection structure. Background Art

[0002] With the progress and development of science and technology, prefabricated reinforced concrete structures have gradually become a trend in the construction industry, because they have the advantages of shortening construction period, reducing overall project costs, reducing the consumption of building materials and improving the overall quality of the project. The prefabrication of concrete structural components can also improve labor productivity, improve labor efficiency, improve the environment of the construction site, and comply with energy-saving and environmental protection policies.

[0003] The traditional prefabricated reinforced concrete frame beam-column node connection structure uses a crane to lift and dock the beams and columns on site, which is difficult and time-consuming, affecting the construction progress of the project. To this end, we propose a prefabricated node shear connection structure. Utility Model Content

[0004] In view of the problems in the prior art, the utility model provides an assembled node shear-resistant connection structure.

[0005] The technical solution adopted by the utility model to solve its technical problems is: an assembled node shear-resistant connection structure, including a column and a crossbeam, the column is provided with a first connection groove and a second connection groove, one side of the column is provided with a connection plate, the crossbeam is provided with a steel pipe groove, a steel pipe is fixed inside the steel pipe groove, one end of the steel pipe is provided with a thread, and the end of the steel pipe provided with the thread is passed through the second connection groove and the connection plate in sequence, and the end of the steel pipe provided with the thread is fixed by a nut, and a screw is passed through the connection part at one end of the crossbeam, the first connection groove and the connection plate in sequence. , and fixing the two ends of the screw rod by nuts, characterized in that: a first reinforcement groove and a second reinforcement groove are opened inside the column, the first reinforcement groove is located at one end of the first connecting groove, the second reinforcement groove is located at one end of the second connecting groove, a third reinforcement groove and a fourth reinforcement groove are opened inside the crossbeam, the third reinforcement groove is located at one end of the steel pipe groove, the fourth reinforcement groove is located at the connecting part of one end of the crossbeam, a first reinforcement sleeve is arranged inside the first reinforcement groove and the fourth reinforcement groove, and a second reinforcement sleeve is arranged inside the second reinforcement groove and the third reinforcement groove;

[0006] Specifically, a first through hole is formed inside the column, and a fifth through hole and a sixth through hole are formed inside the crossbeam;

[0007] Specifically, a trapezoidal groove is provided at one end of the crossbeam;

[0008] Specifically, a trapezoidal block is fixed to one side of the column;

[0009] Specifically, the trapezoidal block is engaged inside the trapezoidal groove;

[0010] Specifically, a first rectangular groove is formed inside the column;

[0011] Specifically, a second rectangular groove is provided inside the crossbeam;

[0012] Specifically, the second rectangular groove is connected to the first rectangular groove, and H-shaped steel is provided inside the second rectangular groove and the first rectangular groove, and the middle part of the H-shaped steel and the connection part of the column and the crossbeam are located in the same vertical plane;

[0013] Specifically, telescopic rods are fixed to both ends of the H-shaped steel, and springs are sleeved on the outer walls of the telescopic rods.

[0014] Beneficial effects of the utility model:

[0015] (1) The utility model discloses an assembled node shear-resistant connection structure, in which a first reinforcement sleeve and a second reinforcement sleeve are provided at the connection between a column and a beam, and a connecting screw rod of the column and the beam is passed through the first reinforcement sleeve, and a steel pipe in the beam is passed through the second reinforcement sleeve, so that the screw rod and the steel pipe are reinforced at the connection between the column and the beam, thereby enhancing the shear resistance of the connection node.

[0016] (2) The utility model discloses an assembled node shear-resistant connection structure, in which a trapezoidal groove is provided at one end of the crossbeam, a trapezoidal block is fixed on one side of the column, and the trapezoidal block is engaged in the trapezoidal groove, so that the crossbeam is supported upward by the column, thereby weakening the vertical downward gravity of the crossbeam and improving the shear resistance of the connection node. In addition, the wedge-shaped surface of the trapezoidal block can decompose the downward gravity of the crossbeam into an oblique downward force and a downward force, thereby reducing the vertical downward shear force of the crossbeam and further improving the shear resistance of the connection node; BRIEF DESCRIPTION OF THE DRAWINGS

[0017] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0018] Figure 1 A three-dimensional diagram of the overall structure provided by the utility model;

[0019] Figure 2 A cross-sectional view of the overall structure provided by the utility model;

[0020] Figure 3 A partial cross-sectional view of the overall structure provided by the utility model;

[0021] Figure 4 A partial cross-sectional view of the column and beam provided by the utility model;

[0022] Figure 5 for Figure 2 Enlarged view of area a in the middle;

[0023] Figure 6 for Figure 3 Enlarged view of area b;

[0024] Figure 7 for Figure 4 Magnified image of area c.

[0025] In the figure: column 1, first rectangular groove 11, connecting plate 13, trapezoidal block 14, first connecting groove 15, first reinforcement groove 16, second connecting groove 17, second reinforcement groove 18, crossbeam 2, steel pipe groove 21, third reinforcement groove 22, trapezoidal groove 23, fourth reinforcement groove 24, second rectangular groove 25, steel pipe 26, second reinforcement sleeve 4, first reinforcement sleeve 5, H-shaped steel 6, telescopic rod 7, spring 8. DETAILED DESCRIPTION

[0026] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0027] like Figure 1-Figure 7As shown, an assembled node shear-resistant connection structure described in the utility model includes a column 1 and a crossbeam 2, the column 1 is provided with a first connecting groove 15 and a second connecting groove 17, one side of the column 1 is provided with a connecting plate 13, the crossbeam 2 is provided with a steel pipe groove 21, a steel pipe 26 is fixed inside the steel pipe groove 21, one end of the steel pipe 26 is provided with a thread, the threaded end of the steel pipe 26 is passed through the second connecting groove 17 and the connecting plate 13 in sequence, and the threaded end of the steel pipe 26 is fixed by a nut, the connecting part at one end of the crossbeam 2, the first connecting groove 15 and the connecting plate 13 are passed through the screw 3 in sequence, and the two ends of the screw 3 are fixed by nuts, characterized in that: the column 1 is provided with a first reinforcement groove 16 and a second reinforcement groove 18, the first reinforcement groove 16 is located at one end of the first connection groove 15, the second reinforcement groove 18 is located at one end of the second connection groove 17, the crossbeam 2 A third reinforcement groove 22 and a fourth reinforcement groove 24 are provided inside the column 1, the third reinforcement groove 22 is located at one end of the steel pipe groove 21, and the fourth reinforcement groove 24 is located at the connection part of one end of the beam 2. A first reinforcement sleeve 5 is provided inside the first reinforcement groove 16 and the fourth reinforcement groove 24, and the screw rod 3 passes through the first reinforcement sleeve 5, so that the screw rod 3 is reinforced at the connection between the column 1 and the beam 2, and the screw rod 3 can be more reliable when bearing the downward gravity of the beam 2. The shear force at this time is the downward gravity of the beam 2. A second reinforcement sleeve 4 is provided inside the second reinforcement groove 18 and the third reinforcement groove 22. The steel pipe 26 passes through the second reinforcement sleeve 4, so that the steel pipe 26 is reinforced at the connection between the column 1 and the beam 2. The steel pipe 26 can be more reliable when bearing the downward gravity of the beam 2. The shear force at this time is the downward gravity of the beam 2. By reinforcing the screw 3 and the steel pipe 26 at the connection node position, the shear resistance of the connection node is enhanced;

[0028] A trapezoidal groove 23 is provided at one end of the cross beam 2, and a trapezoidal block 14 is fixed on one side of the column 1. The trapezoidal block 14 is engaged in the trapezoidal groove 23. By arranging a plurality of trapezoidal blocks 14 at the longitudinal position of the connection between the column 1 and the cross beam 2, the cross beam 2 is supported by the upward support force from the column 1, thereby weakening the downward gravity of the cross beam 2, further improving the shear resistance of the connection node. In addition, the wedge-shaped surface of the trapezoidal block 14 can decompose the downward gravity of the cross beam 2 into an oblique downward force and a downward force, thereby reducing the vertical downward shear force, and effectively improving the shear resistance of the connection node.

[0029] A first rectangular groove 11 is provided inside the column 1, a second rectangular groove 25 is provided inside the cross beam 2, the second rectangular groove 25 is communicated with the first rectangular groove 11, an H-shaped steel 6 is provided inside the second rectangular groove 25 and the first rectangular groove 11, the middle part of the H-shaped steel 6 and the connection between the column 1 and the cross beam 2 are located in the same vertical plane, the thickness of the connection node in the longitudinal position is increased, and the longitudinal shear resistance is more effectively improved, telescopic rods 7 are fixed at both ends of the H-shaped steel 6, and the outer wall of the telescopic rod 7 is sleeved with a spring 8. When the H-shaped steel 6 One end is subjected to the downward gravity from the beam 2, and the other end is subjected to the upward supporting force from the column 1. One end of the H-shaped steel 6 will have a slight upward deflection. The elastic capacity of the spring 8 can buffer the forces received by both ends of the H-shaped steel 6, reduce the downward shear force received by the H-shaped steel 6, and increase the service life of the H-shaped steel 6. In addition, the H-shaped steel 6 and the screw 3 and steel pipe 26 of the connection node jointly bear the downward gravity from the beam 2, so that the connection node at the connection between the column 1 and the beam 2 is further reinforced, thereby further improving the shear resistance of the connection node.

[0030] The above shows and describes the basic principles, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions in the specification are only to illustrate the principles of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the protection required by the utility model. The scope of protection required by the utility model is defined by the attached claims and their equivalents.

Claims

1. An assembled node shear-resistant connection structure, comprising a column (1) and a crossbeam (2), wherein a first connection groove (15) and a second connection groove (17) are provided inside the column (1), a connection plate (13) is provided on one side of the column (1), a steel pipe groove (21) is provided inside the crossbeam (2), a steel pipe (26) is fixed inside the steel pipe groove (21), one end of the steel pipe (26) is provided with a thread, the threaded end of the steel pipe (26) is passed through the second connection groove (17) and the connection plate (13) in sequence, and the threaded end of the steel pipe (26) is fixed by a nut, a screw rod (3) is passed through the connection portion of one end of the crossbeam (2), the first connection groove (15) and the connection plate (13) in sequence, and both ends of the screw rod (3) are fixed by nuts, characterized in that: The column (1) is provided with a first reinforcement groove (16) and a second reinforcement groove (18), wherein the first reinforcement groove (16) is located at one end of the first connection groove (15), and the second reinforcement groove (18) is located at one end of the second connection groove (17). The crossbeam (2) is provided with a third reinforcement groove (22) and a fourth reinforcement groove (24), wherein the third reinforcement groove (22) is located at one end of the steel pipe groove (21), and the fourth reinforcement groove (24) is located at a connecting portion at one end of the crossbeam (2). The first reinforcement groove (16) and the fourth reinforcement groove (24) are provided with a first reinforcement sleeve (5), and the second reinforcement groove (18) and the third reinforcement groove (22) are provided with a second reinforcement sleeve (4).

2. The assembled node shear-resistant connection structure according to claim 1 is characterized in that: A trapezoidal groove (23) is formed at one end of the crossbeam (2).

3. The assembled node shear-resistant connection structure according to claim 2 is characterized in that: A trapezoidal block (14) is fixed to one side of the column (1).

4. The assembled node shear-resistant connection structure according to claim 3 is characterized in that: The trapezoidal block (14) is engaged inside the trapezoidal groove (23).

5. The assembled node shear-resistant connection structure according to claim 1 is characterized in that: A first rectangular groove (11) is provided inside the column (1).

6. The assembled node shear-resistant connection structure according to claim 5, characterized in that: A second rectangular groove (25) is provided inside the crossbeam (2).

7. The assembled node shear-resistant connection structure according to claim 6 is characterized in that: The second rectangular groove (25) is connected to the first rectangular groove (11), and H-shaped steel (6) is provided inside the second rectangular groove (25) and the first rectangular groove (11), and the middle part of the H-shaped steel (6) and the connection part of the column (1) and the crossbeam (2) are located in the same vertical plane.

8. The assembled node shear-resistant connection structure according to claim 7 is characterized in that: Telescopic rods (7) are respectively fixed to both ends of the H-shaped steel (6), and the outer wall of the telescopic rod (7) is sleeved with a spring (8).

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