A self-locking connection node assembly of a concrete wall panel and a cast-in-place structure

Abstract

The utility model provides a kind of self-locking connecting joint assembly of concrete wallboard and cast-in-place structure belongs to concrete wallboard technical field, it includes standard connecting assembly and secondary pouring formed concrete plugging, connecting assembly includes first connecting piece, second connecting piece and locking bolt.The utility model, by pouring connecting first connecting piece at the bottom of cast-in-place beam opening, concrete wallboard is close to top pouring second connecting piece, when assembling, first connecting piece and second connecting piece are fixedly connected by locking bolt, and the connecting place of first connecting piece, second connecting piece, locking bolt is located inside gap, then secondary pouring concrete forms plugging, the connecting structure formed in this way can guarantee the reliability of the connection of concrete wallboard and cast-in-place beam, and first connecting piece and second connecting piece can be used standard parts, the precision of assembly connection construction process is easy to control, and construction is simple.

Description

Technical Field

[0001] This utility model belongs to the field of concrete wall panel technology, specifically a self-locking connection node component between a concrete wall panel and a cast-in-place structure. Background Technology

[0002] In the field of prefabricated buildings, the connection stability between concrete wall panels and cast-in-place beams is directly related to the structural safety of the building. In prefabricated concrete buildings, precast wall panels and cast-in-place concrete beams are often connected by methods such as lap splicing of reserved steel bars, bolt connection, or welding of embedded parts.

[0003] Traditional connection techniques have the following drawbacks: when pre-reserved steel bars are lapped, if the concrete is not compacted properly, the bond between the steel bars and the concrete is insufficient, and the wall panel is prone to horizontal displacement under seismic loads; bolted connections are greatly affected by construction accuracy, and deviations in bolt hole positioning can lead to uneven stress on the connection joint, and loosening of bolts during long-term use can easily cause the wall panel to tilt; welding of embedded parts may result in weld cracking under repeated loads due to the inconsistent quality of the welds; moreover, the stiffness matching and deformation coordination of the connection joint are also important factors affecting the reliability of the connection. Therefore, this utility model provides a self-locking connection joint component for concrete wall panels and cast-in-place structures. Utility Model Content

[0004] To address the issues of insufficient reliability and construction difficulties in the traditional connection process between concrete wall panels and cast-in-place beams, this utility model provides a self-locking connection node component for concrete wall panels and cast-in-place structures.

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

[0006] A self-locking connection node assembly between a concrete wall panel and a cast-in-place structure includes:

[0007] The first connector has a notch at the bottom of the cast-in-place beam, and the first connector is cast inside the notch of the cast-in-place beam.

[0008] The second connector is cast in the concrete wall panel near the top, and the side lugs on the side of the second connector are fixedly connected to the first connector by locking bolts.

[0009] The connection formed by the first connector, the second connector, and the locking bolt is located inside the notch, and a second layer of concrete is poured to form a sealing component.

[0010] As a further description of the above technical solution:

[0011] The outer wall of the first connector is provided with multiple shallow grooves. When the concrete is poured for the second time, a concrete layer is formed in the shallow grooves of the first connector.

[0012] As a further description of the above technical solution:

[0013] The first connector includes:

[0014] The first horizontal section, and reinforcing steel bars are provided between the first horizontal section and the concrete wall panel;

[0015] One or both ends of the first horizontal part are fixedly connected with side lugs.

[0016] As a further description of the above technical solution:

[0017] The side ear includes a vertical part and a second horizontal part, wherein the vertical part is fixedly connected to the first horizontal part, and the second horizontal part is connected to the side of the vertical part away from the first horizontal part.

[0018] As a further description of the above technical solution:

[0019] The second connector is T-shaped.

[0020] As a further description of the above technical solution:

[0021] The first connector has a connecting hole on its side lug, and the second connector has a threaded hole at its bottom.

[0022] The beneficial effects of this utility model are:

[0023] This invention involves casting a first connecting piece at a notch at the bottom of a cast-in-place beam, and casting a second connecting piece near the top of a concrete wall panel. During assembly, the first and second connecting pieces are fixed together by locking bolts, and the connection formed by the first connecting piece, the second connecting piece, and the locking bolts is located inside the notch. Then, a second layer of concrete is poured to seal the connection. This connection structure ensures the reliability of the connection between the concrete wall panel and the cast-in-place beam. Furthermore, both the first and second connecting pieces can be standard parts, making it easy to control the precision of the assembly and connection process and simplifying the construction. Attached Figure Description

[0024] The following figures are shown to more clearly illustrate a self-locking connection node assembly between a concrete wall panel and a cast-in-place structure;

[0025] Figure 1 This is a schematic diagram of the application of this utility model in the middle position of a cast-in-place beam;

[0026] Figure 2 This is a schematic diagram showing the application of this utility model at the end of a cast-in-place beam;

[0027] Figure 3 This is a schematic diagram of the first connector when the present invention is applied to the end position of a cast-in-place beam.

[0028] The labels in the attached diagram;

[0029] 100. Concrete wall panel; 110. Reinforcing steel bars;

[0030] 200. Cast-in-place beam; 210. Notch;

[0031] 300. Connecting assembly; 310. First connecting member; 311. First horizontal part; 312. Side lug; 3121. Vertical part; 3122. Second horizontal part; 320. Second connecting member; 330. Locking bolt. Detailed Implementation

[0032] Please refer to the attached document. Figure 1 - Figure 3 This illustration shows a self-locking connection node assembly for a concrete wall panel and a cast-in-place structure, provided in an embodiment of this application, for the assembly connection of a cast-in-place beam 200 and a concrete wall panel 100, including a standard connection component 3 and a concrete seal formed by secondary pouring.

[0033] The connecting component 3 includes a first connector 310, a second connector 320, and a locking bolt 330. A notch 210 is provided at the bottom of the cast-in-place beam 200. The first connector 310 is cast inside the notch 210 of the cast-in-place beam 200 using an integral casting process. The connection between the first connector 310 and the cast-in-place beam 200 is reliable. The second connector 320 is cast near the top of the concrete wall panel 100. The side lug 312 on the side of the second connector 320 is fixedly connected to the first connector 310 by the locking bolt 330. The connection formed by the first connector 310, the second connector 320, and the locking bolt 330 is located inside the notch 210. A second layer of concrete is poured to form a sealing component. The shape of the sealing component is determined based on the shape of the notch 210 and the shape and position of the connecting component 3.

[0034] To further increase the tightness of the connection between the sealing component formed by the secondary concrete pouring and the first connector 310, multiple shallow grooves are provided on the outer wall of the first connector 310. During the secondary concrete pouring, a concrete layer is formed in the shallow grooves of the first connector 310.

[0035] In one embodiment, the first connector 310 includes a first horizontal portion 311 and a side lug 312.

[0036] A reinforcing bar 110 is provided between the first horizontal part 311 and the concrete wall panel 100 to increase the strength of the connection between the first horizontal part 311 and the concrete wall panel 100. A side lug 312 is fixedly connected to one or both ends of the first horizontal part 311.

[0037] like Figure 1As shown, the first horizontal part 311 has side lugs 312 at both ends, and its overall structure is U-shaped. It is used in the middle position of the cast-in-place beam and the state of installation with the concrete wall panel 100.

[0038] like Figure 2 As shown, one end of the first horizontal part 311 is provided with a side lug 312, which has an overall L-shaped structure and is used at the end of the cast-in-place beam and in the state of installation with the concrete wall panel 100.

[0039] In one embodiment, the side ear member 312 includes a vertical portion 3121 and a second horizontal portion 3122, wherein the vertical portion 3121 is fixedly connected to the first horizontal portion 311, and the second horizontal portion 3122 is connected to the side of the vertical portion 3121 away from the first horizontal portion 311.

[0040] The side lug 312 and the first horizontal part 311 are an integral structure. The material can be Q235 corrosion-resistant steel. The side lug 312 is used to connect with the second connector 320. The side lug 312 can deform during the stress process. The stiffness matching and deformation coordination of the connection node are good.

[0041] In one embodiment, the second connector 320 is T-shaped to ensure a reliable connection with the cast-in-place beam 200. For example, a horizontal steel bar is provided on the top vertical part of the second connector 320 to ensure a tight connection with the cast-in-place beam 200 after casting.

[0042] In one embodiment, the first connector 310 has a connecting hole on its side lug 312, and the second connector 320 has a threaded hole at its bottom. The locking bolt passes through the connecting hole and engages with the threaded hole. To reduce installation difficulty, the diameter of the connecting hole is generally designed to be slightly larger than the diameter of the threaded hole.

[0043] Other embodiments of the present invention will readily occur to those skilled in the art upon consideration of the specification and practice of the disclosure herein. This application is intended to cover any variations, uses, or adaptations of the present invention that follow the general principles of the present invention and include common knowledge or customary techniques in the art not disclosed herein. The specification and examples are to be considered exemplary only, and the true scope and spirit of the present invention are indicated by the following claims.

[0044] It should be understood that relational terms such as "first" and "second" are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. This invention is not limited to the precise structures described above and shown in the accompanying drawings, and various modifications and changes can be made without departing from its scope. The scope of this invention is limited only by the appended claims.

Claims

1. A self-locking connection node assembly for a concrete wall panel and a cast-in-place structure, characterized in that, include: The first connector (310) is cast inside the notch (210) of the cast-in-place beam (200). The second connector (320) is cast on the concrete wall panel (100) near the top, and the side lugs (312) on the side of the second connector (320) are fixedly connected to the first connector (310) by locking bolts (330). The connection formed by the first connector (310), the second connector (320), and the locking bolt (330) is located inside the notch (210), and a second concrete pour is made to form a sealing component.

2. The self-locking connection node assembly between a concrete wall panel and a cast-in-place structure according to claim 1, characterized in that: The outer wall of the first connector (310) is provided with multiple shallow grooves. When the concrete is poured for the second time, a concrete layer is formed in the shallow grooves of the first connector (310).

3. The self-locking connection node assembly between a concrete wall panel and a cast-in-place structure according to claim 1, characterized in that, The first connector (310) includes: A first horizontal section (311) is provided with reinforcing steel bars (110) between the first horizontal section (311) and the concrete wall panel (100); One or both ends of the first horizontal part (311) are fixedly connected with side lugs (312).

4. The self-locking connection node assembly between a concrete wall panel and a cast-in-place structure according to claim 3, characterized in that, The side ear (312) includes a vertical part (3121) and a second horizontal part (3122), wherein the vertical part (3121) is fixedly connected to the first horizontal part (311), and the second horizontal part (3122) is connected to the side of the vertical part (3121) away from the first horizontal part (311).

5. The self-locking connection node assembly between a concrete wall panel and a cast-in-place structure according to claim 1, characterized in that: The second connector (320) is T-shaped.

6. The self-locking connection node assembly between a concrete wall panel and a cast-in-place structure according to claim 1, characterized in that: The first connector (310) has a connecting hole on its side lug (312), and the second connector (320) has a threaded hole at its bottom.

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