CN219508818U - A prefabricated main beam member with secondary beam connection nodes - Google Patents

Abstract

The utility model discloses a prefabricated girder component with secondary girder connecting joints, which comprises a girder, secondary girder connecting sections and connecting pieces, wherein the girder comprises a girder lattice type framework, the secondary girder connecting sections comprise secondary girder section lattice type frameworks, and the girder lattice type frameworks are connected with the secondary girder section lattice type frameworks through the connecting pieces; the beam lattice type framework and the secondary beam section lattice type framework are coated with concrete layers; a section of beam lattice type framework which is not covered by the concrete layer is reserved at the end part of the main beam as a main beam splicing end point; the end part of the secondary beam connecting section is reserved with a section of secondary beam section lattice framework which is not covered with a concrete layer as a secondary beam splicing end point. According to the utility model, the whole framework formed by connecting the beam lattice framework and the secondary beam section lattice framework is arranged, concrete is poured outside the whole framework, so that prefabrication of the primary and secondary beam nodes is realized, and the construction quality can be well ensured; the on-site connection avoids the Liang Jiaodian part of the primary and secondary parts, the stress of the connection part is small, and the structure is easy to bear construction load.

Description

A prefabricated main beam member with secondary beam connection nodes

technical field

The utility model belongs to the technical field of prefabricated building structures, and relates to a prefabricated main beam component with secondary beam connection nodes.

Background technique

A prefabricated building refers to a building in which some or all of the components of the building are prefabricated and produced in a standardized manner in a factory, and assembled and installed on site. It has the advantages of short construction period, fast construction speed, less wet work on site, and environmental protection. Prefabricated construction can better meet the requirements of energy saving and environmental protection of green construction, reduce the negative impact on the environment, reduce the amount of wet work on site, reduce labor costs and risks in safety production, and follow the principle of sustainable development.

The existing prefabricated building structure system generally prefabricates components such as beams and columns in factories, and pours prefabricated beams and prefabricated columns, as well as connection nodes between main beams and secondary beams and other structures at the construction site. The structure of the connection node is complex, which is not convenient for on-site construction; and the longitudinally stressed steel bars of the beam and column members are generally connected by grouting sleeves, grout anchor laps, etc. At the same time, the connection nodes of beams and columns are generally the key parts of the structure under stress, which need to bear relatively large forces, which requires reliable connection and force bearing of the node parts, and high construction quality, while cast-in-place Connection quality is not easy to guarantee. Therefore, it is necessary to design a prefabricated main beam member with a secondary beam connection node to realize the prefabrication of the connection node between the main beam and the secondary beam, and ensure the mechanical performance of the joint connection.

Utility model content

The technical problem to be solved by the utility model is to provide a prefabricated main beam member with secondary beam connection nodes. The mechanical performance and deformation resistance of the joints; realize the convenient connection between the main beam member and the secondary beam member.

The technical scheme adopted by the utility model to solve the above-mentioned technical problems is to provide a prefabricated main beam member with a secondary beam connection node, including a main beam, a secondary beam connection section and a connector, the main beam includes a beam lattice skeleton, and the The connecting section of the secondary beam includes a lattice frame of the secondary beam section, and the lattice frame of the beam section is connected with the lattice frame of the secondary beam section through the connecting piece; The skeletons are all covered with a concrete layer; the end of the main beam is reserved with a section of uncoated beam lattice skeleton as the splicing end point of the main beam; the end of the connecting section of the secondary beam is reserved with a section of uncoated The lattice skeleton of the secondary beam section in the concrete layer is used as the splicing end point of the secondary beam.

Further, the beam lattice frame and the secondary beam section lattice frame both include longitudinal steel frames and attachment materials connecting the longitudinal steel frames.

Further, both the beam lattice frame and the secondary beam section lattice frame are cuboids, and there are four longitudinal steel frames, which are arranged in parallel, and the embellishments are connected to the four longitudinal steel frames in turn. Steel ribs form a rectangular lattice skeleton.

Further, the longitudinal steel frame includes but is not limited to angle steel or channel steel, and the decorative material includes but not limited to a decorative plate, a decorative strip or a stirrup; the connection between the longitudinal steel frame and the decorative material is a bolt connection , welded connection, bolted and welded hybrid connection.

Further, the connecting piece includes a connecting plate, which includes but not limited to steel plate, T-shaped steel, C-shaped steel, and square steel pipe; The connection methods of the type skeleton are bolt connection, welding connection, and bolt-welding hybrid connection.

Further, the connecting piece also includes a groove piece; the groove piece connects the lattice frame of the secondary beam section and the connecting plate, the connecting plate is welded to the groove piece, and the lattice type of the secondary beam section The skeleton is bolted to the channel; the channel includes but not limited to C-shaped steel and inverted T-shaped steel.

Compared with the prior art, the utility model has the following beneficial effects: the utility model provides a prefabricated main beam member with secondary beam connection nodes, which is provided with a whole skeleton formed by connecting the beam lattice frame and the secondary beam section lattice frame, Concrete is poured out of the skeleton as a whole to realize the prefabrication of the primary and secondary beam nodes, and the construction quality can be well guaranteed. The lattice frame is used to improve the mechanical performance and deformation capacity of the nodes; the on-site connection avoids the intersection of the primary and secondary beams, The force at the connection is small, which is easy for the structure to bear the construction load and reduces the use of formwork; the splicing with other main beams is realized through the reserved splicing end points of the main beam, and the splicing with the secondary beams is realized through the reserved splicing end points of the secondary beams. The installation and construction are convenient and efficient, and the connection is stable and reliable.

Description of drawings

Fig. 1 is the structural representation of the prefabricated main beam member with secondary beam connection node in the utility model embodiment;

Fig. 2 is the overall structure schematic diagram of the skeleton adopting T-shaped steel connecting plate in the utility model embodiment 1;

Fig. 3 is the overall structure schematic diagram of the skeleton adopting C-shaped steel connecting plate in the utility model embodiment 2;

4 is a schematic diagram of the overall structure of the skeleton using square steel pipe connecting plates in Embodiment 3 of the present invention;

Fig. 5 is a schematic diagram of the overall structure of the skeleton using connecting plates and C-shaped steel channel parts in Embodiment 4 of the present utility model;

Fig. 6 is a schematic diagram of the overall structure of the skeleton using connecting plates and inverted T-shaped steel channel pieces in Embodiment 5 of the present utility model.

In the figure: 1. Main beam; 2. Secondary beam connection section; 3. Connecting plate; 4. Groove piece; 5. Bolt; 6. Longitudinal steel frame; Segment lattice structure; 10. Concrete layer.

Detailed ways

Below in conjunction with accompanying drawing and embodiment the utility model is further described.

In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", "top", "bottom" etc. are based on the The orientation or positional relationship of the utility model, or the orientation or positional relationship that the utility model product is usually placed in use, is only for the convenience of describing the utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific Orientation, construction and operation in a particular orientation, therefore should not be construed as limiting the invention. Moreover, some of the above terms may be used to indicate other meanings besides orientation or positional relationship, for example, the term "upper" may also be used to indicate a certain attachment relationship or connection relationship in some cases. Those of ordinary skill in the art can understand the specific meanings of these terms in the present invention according to specific situations. Furthermore, the terms "disposed", "provided", "connected", "connected" and "socketed" should be interpreted broadly. For example, it may be a fixed connection, a detachable connection, or an integral structure; it may be a mechanical connection or an electrical connection; it may be a direct connection or an indirect connection through an intermediary; internal connectivity. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

Fig. 1 is a schematic structural diagram of a prefabricated main beam member with secondary beam connection nodes in an embodiment of the present invention; Fig. 2 is a schematic diagram of the overall structure of a skeleton using a T-shaped steel connecting plate in embodiment 1 of the present invention.

Example 1

Please refer to Fig. 1 and Fig. 2, the prefabricated main beam member with secondary beam connection node of the utility model embodiment 1, comprises main beam 1, secondary beam connecting section 2 and connector, main beam 1 comprises beam lattice type skeleton 8, secondary beam The beam connecting section 2 includes a lattice skeleton of the secondary beam section 9, and the lattice skeleton of the beam section 8 and the lattice skeleton of the secondary beam section are connected by connectors; the lattice skeleton of the beam section 8 and the lattice skeleton of the secondary beam section are both covered with concrete layer 10; a section of uncoated concrete layer 10 beam lattice skeleton 8 is reserved at the end of the main beam 1 as the splicing end point of the main beam; a section of uncoated concrete layer 10 is reserved at the end of the secondary beam connection section 2 The beam section lattice skeleton 9 is used as the splicing end point of the secondary beam. The length of the secondary beam connecting section 2 is selected according to the principle of less stress and convenient construction, so that the skeleton can bear the construction load.

Specifically, both the beam lattice frame 8 and the secondary beam section lattice frame 9 include longitudinal steel frames 6 and decorative materials 7 connecting the longitudinal steel frames 6 . Both the beam lattice frame 8 and the secondary beam section lattice frame 9 are rectangular parallelepipeds, and there are four longitudinal steel frames 6 arranged in parallel, and the embellishments 7 are sequentially connected to the four longitudinal steel frames 6 to form a rectangular lattice structure style skeleton.

Preferably, the longitudinal steel frame 6 includes but is not limited to angle steel or channel steel, and the decorative material 7 includes but not limited to a decorative plate, a decorative strip or a stirrup; the connection method between the longitudinal steel frame 6 and the decorative material 7 is bolted, welded, Bolted and welded hybrid connections.

Specifically, the connector includes a connecting plate 3, and the connecting plate 3 can take different forms, including but not limited to steel plate, T-shaped steel (as shown in Figure 2), C-shaped steel (as shown in Figure 3), square steel pipe (as shown in Figure 4); the connecting plate 3 and the secondary beam section lattice frame 9 and/or the beam lattice frame 8 are connected by bolt connection, welding connection, and bolt-welding hybrid connection.

Preferably, the connecting piece also includes a groove piece 4; the groove piece 4 connects the lattice frame 9 of the secondary beam section and the connecting plate 3, the connecting plate 3 is welded to the groove piece 4, and the lattice frame 9 of the secondary beam section is connected to the groove piece 4 Bolt connection; the channel piece 4 includes but not limited to C-shaped steel (as shown in Figure 5 ), inverted T-shaped steel (as shown in Figure 6 ). When the welding conditions are difficult to meet or the welded connection cannot meet the force requirements, the connecting plate 3 and the groove piece 4 can be welded, and the lattice frame 9 of the secondary beam section and the groove piece 4 are connected by bolts, as shown in Figure 6.

Example 2

Please refer to FIG. 3 , the difference between the prefabricated main beam member with the secondary beam connection node in Embodiment 2 of the present utility model and Embodiment 1 is that the connector adopts the connecting plate 3 , and the connecting plate 3 adopts C-shaped steel.

Example 3

Please refer to Fig. 4 , the difference between the prefabricated main beam member with the secondary beam connection node in Embodiment 3 of the present invention and Embodiment 1 is that the connector adopts connecting plate 3, and the connecting plate 3 adopts square steel pipe.

Example 4

Please refer to FIG. 5 , the difference between the prefabricated main beam member with secondary beam connection nodes in Embodiment 4 of the present utility model and Embodiment 1 is that the connector adopts the connecting plate 3 and the groove 4 , and the groove 4 adopts C-shaped steel. The connecting plate 3 is welded to the groove piece 4 , and the lattice frame 9 of the secondary beam section is connected to the groove piece 4 through bolts 5 .

Example 5

Please refer to Fig. 6, the difference between the prefabricated main beam member with the secondary beam connection node in Embodiment 5 of the present invention and Embodiment 1 is that the connector adopts the connecting plate 3 and the groove 4, and the groove 4 adopts inverted T-shaped steel. The connecting plate 3 is welded to the groove piece 4 , and the lattice frame 9 of the secondary beam section is connected to the groove piece 4 through bolts 5 .

The manufacturing process of the prefabricated main beam member with secondary beam connection nodes in the embodiment of the present invention is as follows:

S1: Make the longitudinal steel frame 6 and the decorative material 7, connect the longitudinal steel frame 6 through the decorative material 7 to form the beam lattice skeleton 8 and the secondary beam section lattice skeleton 9;

S2: Install connectors on the beam lattice framework 8; the connection methods include but not limited to welding connections, bolt connections, and bolt-weld hybrid connections;

S3: Connect the lattice frame 9 of the secondary beam section with the connectors, so that the lattice frame 8 of the secondary beam section is connected with the lattice frame 9 of the secondary beam section to form a whole frame; the connection methods include but not limited to welding connection, bolt connection, bolt connection Welded hybrid connections;

S4: Leave a concrete layer 10 thick on the overall outer surface of the skeleton, set up the formwork, pour concrete, and maintain and shape to form a prefabricated main beam member with secondary beam connection nodes.

When supporting the formwork, reserve a section that does not need to be poured concrete at the end of the beam lattice frame 8 as the splicing end point of the main beam; reserve a section that does not need to be poured concrete at the end of the lattice frame 9 of the secondary beam section as the splicing end point of the secondary beam .

The prefabricated main beam member with secondary beam connection nodes in the embodiment of the present invention is prefabricated in the factory. During on-site construction, it is spliced with other main beams through the reserved splicing end points of the main beam, and connected with other main beams through the reserved splicing end points of the secondary beams. The splicing of secondary beams only needs to be bolted or welded and poured a small amount of concrete at the splicing place. The construction difficulty is low, the work efficiency is high, and a lot of labor costs are saved.

In summary, the prefabricated main beam member with secondary beam connection nodes in the embodiment of the utility model is provided with a whole skeleton formed by connecting the beam lattice skeleton 8 and the secondary beam section lattice skeleton 9, and pouring concrete outside the whole skeleton , to realize the prefabrication of the primary and secondary beam joints, the construction quality can be well guaranteed, and the lattice structure is adopted to improve the mechanical performance and deformation capacity of the joints; the on-site connection avoids the intersection of the primary and secondary beams, and the connection is relatively stressed Small, easy for the structure to bear the construction load, reducing the use of formwork; the splicing with other main girders is realized through the reserved splicing end points of the main beam, and the splicing with the secondary girders is realized through the reserved splicing end points of the secondary beams, which is convenient and efficient for on-site installation and construction. The connection is stable and reliable.

Although the present utility model has been disclosed above with preferred embodiments, it is not intended to limit the present utility model. Any person skilled in the art may make some modifications and improvements without departing from the spirit and scope of the present utility model. Therefore, the protection scope of the present utility model should be defined by the claims.

Claims (6)

1. A prefabricated main beam member with a secondary beam connection node, characterized in that it comprises a main beam, a secondary beam connection section and a connector, the main beam comprises a beam lattice type skeleton, and the secondary beam connection section comprises a secondary beam section A lattice skeleton, the beam lattice skeleton is connected to the secondary beam segment lattice skeleton through the connecting piece; Both the beam lattice skeleton and the secondary beam segment lattice skeleton are covered with a concrete layer; the end of the main beam is reserved with a beam lattice skeleton that is not covered with a concrete layer as the splicing end point of the main beam; At the end of the connecting section of the secondary beam, a section of lattice skeleton of the secondary beam section not covered with concrete layer is reserved as the splicing end point of the secondary beam. 2. The prefabricated main beam member with secondary beam connection nodes as claimed in claim 1, wherein the beam lattice frame and the secondary beam section lattice frame all include longitudinal steel frames and connecting longitudinal steel frames. Embellishments. 3. The prefabricated main beam member with secondary beam connection nodes as claimed in claim 2, characterized in that, the beam lattice frame and the secondary beam section lattice frame are cuboids, and the longitudinal steel frames are four The four longitudinal steel frames are arranged in parallel, and the embellishments are sequentially connected to the four longitudinal steel frames to form a rectangular lattice framework. 4. The prefabricated main beam member with secondary beam connection nodes according to claim 2, characterized in that, the longitudinal steel frame includes but not limited to angle steel or channel steel, and the attached materials include but not limited to slabs, slats bars or stirrups; the connection between the longitudinal steel frame and the decorative material is bolted connection, welded connection, or mixed bolted and welded connection. 5. The prefabricated main beam member with secondary beam connection nodes as claimed in claim 1, characterized in that, said connector comprises a connecting plate, and said connecting plate includes but not limited to steel plate, T-shaped steel, C-shaped steel, square steel pipe The connection between the connecting plate and the lattice frame of the secondary beam section and/or the lattice frame of the beam is a bolt connection, a welding connection, or a bolt-welding hybrid connection. 6. The prefabricated main beam member with secondary beam connection nodes as claimed in claim 5, wherein the connecting piece further comprises a groove; the groove connects the lattice frame of the secondary beam section and the A connecting plate, the connecting plate is welded to the channel, and the lattice frame of the secondary beam section is bolted to the channel; the channel includes but not limited to C-shaped steel and inverted T-shaped steel.