Connecting joint of precast beam and precast slab

Abstract

The utility model discloses a connecting joint of precast beams and precast slabs, and relates to the technical field of fabricated buildings, the connecting joint comprises two adjacent precast beams, a plurality of precast slabs are installed between the two precast beams, and the two ends of the precast slabs are in lap joint with the two precast beams respectively; a plurality of anchoring parts are arranged on the precast beam at intervals in the length direction, anchoring holes are inwards formed in the bottom wall of the precast slab, and when the precast slab is in lap joint with the precast beam, the anchoring parts are correspondingly inserted into the anchoring holes. Detachable installation between the precast beam and the precast slab can be achieved.

Description

Technical Field

[0001] The present application relates to the technical field of prefabricated buildings, and in particular to a connection node between a prefabricated beam and a prefabricated panel. Background Art

[0002] At present, in order to meet the needs of production and manufacturing, there are a large number of temporary buildings. Temporary building structures are usually assembled from container structures or overlapped with color steel plates. They have poor sound insulation, weak structural bearing capacity and are prone to rust. Compared with concrete buildings, the living experience is poor.

[0003] The beam and slab construction of conventional concrete buildings is to tie the steel bars of the structural beams and slabs together after the support system is built, and then pour concrete as a whole to form the structural slabs and beams. This method is to pour concrete on site, which involves a lot of wet work, requires the construction of a support system on site, has a long construction period, and after the concrete is poured, the components cannot be disassembled and reused.

[0004] The structural panels of conventional prefabricated buildings are hoisted after the structural beams are constructed. There are two construction schemes: prefabricated panels and composite panels. Composite panel construction requires pouring concrete on top of the composite panel to form an integral structural panel; prefabricated panels require pouring grouting material in the post-casting strip between two adjacent prefabricated panels to form a stable connection between the beams, panels, and columns. The above construction methods all require cast-in-place concrete, which makes it impossible to disassemble and reuse the structural beams and panels. Utility Model Content

[0005] In order to improve the problem that beam structures and plate structures in prefabricated buildings cannot be disassembled and reused, the present application provides a connection node between prefabricated beams and prefabricated plates.

[0006] The present application provides a connection node between a prefabricated beam and a prefabricated plate, which adopts the following technical solution:

[0007] A connection node of a prefabricated beam and a prefabricated plate, comprising two adjacent prefabricated beams, a plurality of prefabricated plates being installed between the two prefabricated beams, and two ends of the prefabricated plates being overlapped on the two prefabricated beams respectively;

[0008] The precast beam is provided with a plurality of anchors at intervals along the length direction, and the bottom wall of the precast plate is provided with anchor holes inwardly. When the precast plate is overlapped on the precast beam, the anchors are correspondingly inserted into the anchor holes.

[0009] Further, the anchoring member includes a column and an enlarged head, the column is partially anchored in the prefabricated beam, and the enlarged head is located on a side of the column away from the prefabricated beam;

[0010] The cross section of the enlarged head gradually decreases in a direction away from the column.

[0011] Furthermore, the anchor hole includes a front hole and a limiting hole that are interconnected, the horizontal cross-sections of the front hole are consistent with the maximum horizontal cross-section of the enlarged head, and the shape of the vertical section of the limiting hole is consistent with the shape of the vertical section of the anchor protruding from the prefabricated beam.

[0012] Furthermore, when the prefabricated plate is overlapped on the prefabricated beam, at least the largest outer edge of the enlarged head abuts against the side wall of the front hole.

[0013] Furthermore, when the prefabricated plate is overlapped on top of the prefabricated beam, the top wall of the enlarged head is in contact with the top wall of the anchor hole.

[0014] Furthermore, the prefabricated beam also includes an abutment portion located on the top wall, the abutment portion is arranged along the length direction of the prefabricated beam, and the side walls of the prefabricated panels installed on both sides of the abutment portion are tightly abutted against the side walls of the abutment portion.

[0015] Furthermore, when the prefabricated plate is overlapped on top of the prefabricated beam, the top surface of the prefabricated plate is coplanar with the top surface of the abutting portion.

[0016] Furthermore, a connection reinforcement block is provided at one end of the column located in the prefabricated beam.

[0017] In summary, the present application includes at least one of the following beneficial effects:

[0018] 1. The present application provides anchors and anchor holes on the prefabricated panels, and can realize quick installation and positioning between the prefabricated beams and the prefabricated panels by simply hoisting and pushing the prefabricated panels. When the prefabricated panels need to be disassembled, the prefabricated panels only need to be pushed and lifted upwards to complete the disassembly, which is convenient and quick.

[0019] 2. By setting the front hole and the limit hole, the anchor can be pushed and clamped in the limit hole after being inserted into the front hole, so that the prefabricated plate and the prefabricated beam are clamped to form an integral force system;

[0020] 3. The cross-sectional area of ​​the enlarged head gradually decreases toward the top wall, making it easier for the enlarged head to be inserted into the front hole, thereby achieving alignment and installation between the prefabricated panel and the prefabricated beam. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 It is a front view cross-sectional schematic diagram of a connection node between a prefabricated beam and a prefabricated plate in an embodiment of the present application;

[0022] Figure 2 It is a top view and cutaway schematic diagram of a connection node between a precast beam and a precast panel in an embodiment of the present application;

[0023] Figure 3 From top to bottom are the three-dimensional structure diagram of the anchor and the front view of the anchor hole.

[0024] Explanation of the reference numerals: 1. precast beam; 11. abutment portion; 2. precast plate; 21. anchor hole; 211. front hole; 212. limit hole; 3. anchor piece; 31. column; 32. enlarged head; 33. connection reinforcement block. DETAILED DESCRIPTION

[0025] The following is combined with Figure 1-3 This application is described in further detail.

[0026] The embodiment of the present application discloses a connection node between a prefabricated beam and a prefabricated plate, referring to Figures 1 to 3 A connection node between a prefabricated beam and a prefabricated panel comprises two adjacent prefabricated beams 1, the prefabricated beams 1 have been completed, and a plurality of prefabricated panels 2 need to be installed between the two prefabricated beams 1. When installing the prefabricated panels 2, both sides of the prefabricated panels 2 are overlapped on the two prefabricated beams 1 respectively. Figure 2 In the figure, only one prefabricated panel 2 is shown.

[0027] Specifically, each precast beam 1 is provided with a plurality of anchors 3 along the length direction, the anchors 3 extending from the upper surface of the precast beam 1, the anchors 3 comprising a column 31 and an enlarged head 32, the column 31 is partially embedded in the precast beam 1 and partially extends from the upper surface of the precast beam 1, and the enlarged head 32 is provided at the end of the column 31 extending from the precast beam 1. In a preferred embodiment, a connection reinforcement block 33 is provided at one end of the column 31 located in the precast beam 1, and the connection reinforcement block 33 can improve the connection strength between the anchor 3 and the precast beam 1.

[0028] Anchor holes 21 are provided on the lower surface of both sides of each prefabricated board 2. When the prefabricated board 2 is overlapped on two prefabricated beams 1, the anchors 3 are inserted into the anchor holes 21. The anchor holes 21 include a front hole 211 and a limit hole 212 that are interconnected. The cross-sections of each horizontal section of the front hole 211 are consistent with the maximum horizontal cross-section of the enlarged head 32. The shape of the vertical section of the limit hole 212 is consistent with the shape of the vertical section of the anchor 3 protruding from the prefabricated beam 1.

[0029] When installing the precast panel 2, first hoist the precast panel 2 until the anchor 3 is aligned with the front hole 211, lower the precast panel 2 to overlap the precast beam 1, and then push the precast panel 2 to make the anchor 3 slide into the limiting hole 212. The anchor 3 can be clamped in the limiting hole 212, and continue to push until the side wall of the anchor 3 abuts against the bottom wall of the limiting hole 212, thereby completing the installation of the precast panel 2.

[0030] Furthermore, the cross section of the enlarged head 32 gradually decreases in the direction away from the column 31. In this embodiment, the vertical cross section of the enlarged head 32 is an equilateral trapezoid, but the shape of the enlarged head 32 is not limited to this shape. When the precast plate 2 is overlapped on the precast beam 1, at least the largest outer edge of the enlarged head 32 abuts against the side walls of the front hole 211. In a preferred embodiment, the top wall of the enlarged head 32 can also be in contact with the top wall of the anchor hole 21.

[0031] As the cross-section of the enlarged head 32 gradually decreases, the side wall of the enlarged head 32 forms an inclined surface. When installing the prefabricated panel 2, due to the smaller top wall area of ​​the enlarged head 32, it is easier to align with the limiting hole 212, and the inclined surface of the side wall guides the falling of the prefabricated panel 2, so that the enlarged head 32 can be more smoothly inserted into the limiting hole 212 on the prefabricated panel 2.

[0032] Since the largest outer edge of the enlarged head 32 abuts against the peripheral side wall of the front hole 211, there is no horizontal displacement space for the enlarged head 32 in the front hole 211, so when the prefabricated plate 2 is pushed, the anchor 3 can be more smoothly slid into the limiting hole 212 to achieve installation.

[0033] The precast beam 1 also includes an abutment portion 11 located on the top wall, and the abutment portion 11 is arranged along the length direction of the precast beam 1. In the embodiment of the present application, the cross section of the precast beam 1 is rectangular, and the cross section of the abutment portion 11 is also rectangular, and the abutment portion 11 is arranged on the central axis of the precast beam 1. When installing the precast panel 2, the side walls of the precast panel 2 are tightly pressed against the side walls of the abutment portion 11, and the top surface of the precast panel 2 is coplanar with the top surface of the abutment portion 11, so that after the precast panel 2 is installed, the upper surface of the structural panel is flat and has no depressions, which is more beautiful and saves the construction steps of grouting.

[0034] The implementation principle of a connection node between a precast beam and a precast plate in an embodiment of the present application is as follows: the core concept of the connection node design of the present application is to combine the traditional mortise and tenon structure assembly concept into concrete buildings, so that when forming a concrete building, a stable connection node can be formed at the connection between each component without grouting; at the same time, each concrete component can be prefabricated and processed in a factory and transported to the site for assembly and construction, and the components can be dismantled, replaced, and reused, forming a concrete temporary building construction system, which has the convenience of quick installation and disassembly of a steel structure temporary building, and also has the living comfort of a concrete building.

[0035] In addition, when the connection nodes of this application are constructed, there is no wet operation on site, which is clean and environmentally friendly, reducing pollution to the environment.

[0036] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A connection node between a prefabricated beam and a prefabricated panel, characterized in that: It comprises two adjacent prefabricated beams (1), a plurality of prefabricated panels (2) are installed between the two prefabricated beams (1), and the two ends of the prefabricated panels (2) are respectively overlapped on the two prefabricated beams (1); The precast beam (1) is provided with a plurality of anchoring pieces (3) at intervals along the length direction, and the bottom wall of the precast plate (2) is provided with anchoring holes (21) inwardly, and when the precast plate (2) is overlapped on the precast beam (1), the anchoring pieces (3) are correspondingly inserted into the anchoring holes (21).

2. A connection node between a prefabricated beam and a prefabricated panel according to claim 1, characterized in that: The anchor (3) comprises a column (31) and an enlarged head (32), wherein the column (31) is partially anchored in the prefabricated beam (1), and the enlarged head (32) is located on a side of the column (31) away from the prefabricated beam (1); The cross section of the enlarged head (32) gradually decreases in a direction away from the column (31).

3. A connection node between a prefabricated beam and a prefabricated plate according to claim 2, characterized in that: The anchor hole (21) comprises a front hole (211) and a limit hole (212) which are interconnected, the horizontal cross-sections of the front hole (211) being consistent with the maximum horizontal cross-section of the enlarged head (32), and the shape of the vertical section of the limit hole (212) being consistent with the shape of the vertical section of the portion of the anchor (3) protruding from the prefabricated beam (1).

4. A connection node between a prefabricated beam and a prefabricated plate according to claim 3, characterized in that: When the prefabricated plate (2) is overlapped on top of the prefabricated beam (1), at least the largest outer edge of the enlarged head (32) abuts against the peripheral side wall of the front hole (211).

5. The connection node between a prefabricated beam and a prefabricated plate according to claim 2, characterized in that: When the prefabricated plate (2) is overlapped on top of the prefabricated beam (1), the top wall of the enlarged head (32) is in contact with the top wall of the anchor hole (21).

6. A connection node between a prefabricated beam and a prefabricated panel according to any one of claims 1 to 5, characterized in that: The prefabricated beam (1) further comprises an abutment portion (11) located on the top wall, the abutment portion (11) being arranged along the length direction of the prefabricated beam (1), and the side walls of the prefabricated panels (2) mounted on both sides of the abutment portion (11) being tightly abutted against the side walls of the abutment portion (11).

7. A connection node between a prefabricated beam and a prefabricated panel according to claim 6, characterized in that: When the prefabricated plate (2) is overlapped on top of the prefabricated beam (1), the top surface of the prefabricated plate (2) is coplanar with the top surface of the abutting portion (11).

8. A connection node between a prefabricated beam and a prefabricated panel according to any one of claims 2 to 5, characterized in that: A connection reinforcement block (33) is provided at one end of the column (31) located inside the prefabricated beam (1).

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