Node area steel assembly for connection of precast beam and precast column

Abstract

The utility model provides a node domain steel assembly for connection of a precast beam and a precast column, relates to the technical field of constructional engineering, and solves the technical problems of complicated structure, complicated production process and higher cost caused by arrangement of crossed steel plates in nodes in the precast beam column steel node connection technology in the prior art. The device comprises an upper column bearing plate, a lower column bearing plate and four beam connecting bodies, the four edge ends of the upper column bearing plate are fixedly connected with the inner walls of the upper ends of the four beam connecting bodies respectively, the four edge ends of the lower column bearing plate are fixedly connected with the inner walls of the lower ends of the four beam connecting bodies respectively, and the four edge ends of the upper column bearing plate are fixedly connected with the inner walls of the lower ends of the four beam connecting bodies respectively. And a gap is formed between the upper column bearing plate and the lower column bearing plate.

Description

Technical Field

[0001] This utility model relates to the field of building engineering technology, and in particular to a node domain steel component for connecting precast beams and precast columns. Background Technology

[0002] In the development of the construction industry, prefabricated buildings are playing an increasingly important role. Prefabricated buildings can effectively improve the efficiency of construction projects and ensure that the quality of each component meets the requirements, thus providing a guarantee for the stable development of my country's construction industry.

[0003] Precast assembled buildings have many connection nodes during construction, and the quality control of these connection nodes directly affects the overall quality of the precast assembled building. Current precast beam-column steel node connection technologies suffer from problems such as structural complexity, complex production processes, and high costs due to the use of cross steel plates in the nodes. Utility Model Content

[0004] The purpose of this invention is to provide a node steel assembly for connecting precast beams and precast columns, thereby solving the technical problems of complex structure, complex manufacturing process, and high cost caused by the setting of cross steel plates in the nodes in the existing precast beam-column steel node connection technology. 。 The various technical effects of the preferred technical solutions among the many technical solutions provided by this utility model are described in detail below.

[0005] To achieve the above objectives, the present invention provides the following technical solution:

[0006] This utility model provides a node steel assembly for connecting precast beams and precast columns, comprising an upper column bearing plate, a lower column bearing plate, and beam connectors, wherein there are four beam connectors, the four ends of the upper column bearing plate are fixedly connected to the upper inner walls of the four beam connectors respectively, the four ends of the lower column bearing plate are fixedly connected to the lower inner walls of the four beam connectors respectively, and there is a gap between the upper column bearing plate and the lower column bearing plate.

[0007] Optionally, both the upper column bearing plate and the lower column bearing plate have a cross-shaped structure.

[0008] Optionally, the beam connector includes a side plate and a connecting plate. The upper inner wall of the side plate is fixedly connected to one side of the upper column bearing plate, the lower inner wall of the side plate is fixedly connected to one side of the lower column bearing plate, and the middle outer wall of the side plate is fixedly connected to the end of the connecting plate.

[0009] Optionally, the side plates on up to two of the beam connectors are segmented structures.

[0010] Optionally, the side plate is arranged perpendicular to the connecting plate, and the length direction of the side plate is consistent with the length direction of the connecting plate.

[0011] Optionally, the connecting plate is provided with a plurality of bolt holes.

[0012] Optionally, the beam connector further includes an upper stiffening rib and a lower stiffening rib. The upper stiffening rib is fixed above one side of the upper column bearing plate and is fixedly connected to the upper inner wall of the side plate. The lower stiffening rib is fixed below one side of the lower column bearing plate and is fixedly connected to the lower inner wall of the side plate.

[0013] Optionally, the beam connector further includes a shear-resistant structure, wherein there are multiple shear-resistant structures, and the ends of the shear-resistant structures are fixedly connected to the inner wall of the side plate;

[0014] The shear-resistant structure is a shear anchor bar, a reinforcing bar, a stud, or a shear key.

[0015] Optionally, shear keys and / or studs are provided in the middle of both the upper column bearing plate and the lower column bearing plate.

[0016] This utility model provides a node steel component for connecting precast beams and precast columns. It comprises four connectors: the four ends of the upper column bearing plate are fixedly connected to the upper inner walls of the four beam connectors, and the four ends of the lower column bearing plate are fixedly connected to the lower inner walls of the four beam connectors. There is a gap between the upper and lower column bearing plates, and the load-bearing capacity between them is transferred through the connectors. These connectors also connect to the beams. Compared to existing technologies that use internal cross-shaped steel plates to transfer load, this utility model uses connectors that both transfer load and connect beams, saving materials and reducing the manufacturing cost of the node steel component for connecting precast beams and precast columns. The overall structure is simple, eliminating the need for cross-shaped steel plates, and the production process is simple. This solves the technical problems of complex structure, complex production process, and high cost associated with existing precast beam-column steel node connection technologies that use cross-shaped steel plates in the nodes. 。 Attached Figure Description

[0017] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0018] Figure 1This is a structural schematic diagram of the node domain steel assembly for connecting precast beams and precast columns provided in an embodiment of this utility model.

[0019] 1. Upper column load-bearing plate in the diagram;

[0020] 2. Lower column load-bearing plate;

[0021] 3. Side panels;

[0022] 4. Connecting plate; 41. Bolt holes;

[0023] 5. Upper reinforcing ribs;

[0024] 6. Lower stiffening ribs;

[0025] 7. Shear-resistant structure;

[0026] 8. Shear key. Detailed Implementation

[0027] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions of this utility model will be described in detail below. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. Based on the embodiments of this utility model, all other implementation methods obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0028] In the description of this utility model, it should be noted that, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0029] In the description of this utility model, it should also be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0030] This utility model provides a node steel assembly for connecting precast beams and precast columns, including an upper column bearing plate 1, a lower column bearing plate 2, and beam connectors. There are four beam connectors. The four ends of the upper column bearing plate 1 are fixedly connected to the upper inner walls of the four beam connectors, and the four ends of the lower column bearing plate 2 are fixedly connected to the lower inner walls of the four beam connectors. There is a gap between the upper column bearing plate 1 and the lower column bearing plate 2. The load-bearing capacity between the upper column bearing plate 1 and the lower column bearing plate 2 is transferred through the connectors, which are also used for… Compared to existing technologies that use internally arranged cross-shaped steel plates to transfer loads when connecting to beams, this invention uses a connector that can both transfer loads and connect beams, saving materials and reducing the manufacturing cost of the steel components used for connecting precast beams and columns. The overall structure is simple, eliminating the need for cross-shaped steel plates, and the production process is simple. This invention solves the technical problems of complex structure, complex production process, and high cost caused by the use of cross-shaped steel plates in existing precast beam-column steel node connection technologies.

[0031] As an optional implementation, both the upper column bearing plate 1 and the lower column bearing plate 2 are cross-shaped structures, and each of the four ends of the upper column bearing plate 1 or the lower column bearing plate 2 corresponds to a beam connector.

[0032] As an optional implementation, the beam connector includes a side plate 3 and a connecting plate 4. The upper inner wall of the side plate 3 is fixedly connected to one side of the upper column bearing plate 1, and the upper end of the side plate 3 extends beyond the upper column bearing plate 1. The lower inner wall of the side plate 3 is fixedly connected to one side of the lower column bearing plate 2, and the lower end of the side plate 3 extends beyond the lower column bearing plate 2. The middle outer wall of the side plate 3 is fixedly connected to the end of the connecting plate 4.

[0033] As an optional implementation, the side plates 3 on up to two beam connectors are segmented structures. Each segmented side plate 3 includes two short plates, one connecting to the upper column bearing plate 1 and the other connecting to the lower column bearing plate 2, with a gap between the two short plates. In contrast, the side plate 3 of an integral structure is a single long plate. When all four beam connectors have integral side plates 3, there are no segmented side plates 3. When three beam connectors have integral side plates 3, the side plate 3 on the remaining beam connector is segmented. When two beam connectors have integral side plates 3, the side plates 3 on the other two beam connectors are segmented. Furthermore, the segmented side plates 3 do not have shear-resistant structures 7.

[0034] As an optional implementation, the side plate 3 is arranged perpendicularly to the connecting plate 4 and the length direction of the side plate 3 is consistent with the length direction of the connecting plate 4. The connecting plate 4 is provided with a plurality of bolt holes 41. The connecting plate 4 is used to connect with the beam connector. The through holes on the beam connector correspond one-to-one with the bolt holes 41 and are connected by bolts.

[0035] As an optional implementation, the beam connector further includes an upper stiffening rib 5 and a lower stiffening rib 6. The upper stiffening rib 5 is fixed above one side of the upper column bearing plate 1 and is fixedly connected to the upper inner wall of the side plate 3. The upper stiffening rib 5 is used to reinforce the connection between the upper column bearing plate 1 and the side plate 3. The lower stiffening rib 6 is fixed below one side of the lower column bearing plate 2 and is fixedly connected to the lower inner wall of the side plate 3. The lower stiffening rib 6 is used to reinforce the connection between the lower column bearing plate 2 and the side plate 3. Both the upper stiffening rib 5 and the lower stiffening rib 6 include a long strip and two short plates. The long strip is fixedly connected to the upper end face of the upper column bearing plate 1 or the lower end face of the lower column bearing plate 2. The long strip is fixedly connected to the side plate 3 through the two short plates, and the short plates are also fixedly connected to the upper end face of the upper column bearing plate 1 or the lower end face of the lower column bearing plate 2.

[0036] As an optional implementation, the beam connector further includes shear structures 7, of which there are multiple shear structures 7, the ends of which are fixedly connected to the inner wall of the side plate 3; the shear structures 7 can be shear anchors, reinforcing bars, studs, or shear keys. The shear structures 7 are used to connect with the concrete, thereby further strengthening the load-bearing capacity of the beam connector.

[0037] As an optional implementation, both the upper column bearing plate 1 and the lower column bearing plate 2 are provided with shear keys 8 and / or studs in the middle. The shear keys 8 are used to connect and position with the column.

[0038] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A node steel assembly for connecting precast beams and precast columns, characterized in that, It includes an upper column bearing plate (1), a lower column bearing plate (2), and a beam connector, wherein, The number of beam connectors is four. The four sides of the upper column bearing plate (1) are fixedly connected to the upper inner walls of the four beam connectors respectively. The four sides of the lower column bearing plate (2) are fixedly connected to the lower inner walls of the four beam connectors respectively. There is a gap between the upper column bearing plate (1) and the lower column bearing plate (2).

2. The node region steel assembly for connecting precast beams and precast columns according to claim 1, characterized in that, Both the upper column bearing plate (1) and the lower column bearing plate (2) are cross-shaped structures.

3. The node region steel assembly for connecting precast beams and precast columns according to claim 1, characterized in that, The beam connector includes a side plate (3) and a connecting plate (4). The upper inner wall of the side plate (3) is fixedly connected to one side of the upper column bearing plate (1), the lower inner wall of the side plate (3) is fixedly connected to one side of the lower column bearing plate (2), and the middle outer wall of the side plate (3) is fixedly connected to the end of the connecting plate (4).

4. The node region steel assembly for connecting precast beams and precast columns according to claim 3, characterized in that, The side plates (3) on the maximum two beam connectors are segmented structures.

5. The node region steel assembly for connecting precast beams and precast columns according to claim 3, characterized in that, The side plate (3) is perpendicular to the connecting plate (4), and the length direction of the side plate (3) is consistent with the length direction of the connecting plate (4).

6. The node region steel assembly for connecting precast beams and precast columns according to claim 3 or 5, characterized in that, The connecting plate (4) is provided with multiple bolt holes (41).

7. The node region steel assembly for connecting precast beams and precast columns according to claim 3, characterized in that, The beam connector also includes an upper stiffening rib (5) and a lower stiffening rib (6). The upper stiffening rib (5) is fixed above one side of the upper column bearing plate (1) and is fixedly connected to the upper inner wall of the side plate (3). The lower stiffening rib (6) is fixed below one side of the lower column bearing plate (2) and is fixedly connected to the lower inner wall of the side plate (3).

8. The node region steel assembly for connecting precast beams and precast columns according to claim 3, characterized in that, The beam connector also includes a shear-resistant structure (7), and there are multiple shear-resistant structures (7). The ends of the shear-resistant structures (7) are fixedly connected to the inner wall of the side plate (3). The shear-resistant structure (7) is a shear anchor bar, a reinforcing bar, a stud, or a shear key.

9. The node region steel assembly for connecting precast beams and precast columns according to claim 1, characterized in that, Both the upper column bearing plate (1) and the lower column bearing plate (2) are provided with shear keys (8) and / or studs in the middle.

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