Prefabricated wall reinforcing, mounting and connecting structure

Abstract

The utility model discloses a prefabricated wall reinforcing, installing and connecting structure which comprises a first prefabricated concrete wall, a second prefabricated concrete wall, a vertical post-pouring section, an embedded steel plate and a connecting piece. The embedded steel plate comprises an anchoring plate and a connecting plate, and a clamping groove is formed in the connecting plate; the connecting piece comprises a mortise and tenon frame, a positioning nut and a spring bolt. During installation operation, the first prefabricated concrete wall and the second prefabricated concrete wall are symmetrically arranged on a foundation, positioning rods are in threaded connection with positioning nuts, the two ends of the bottom of the mortise and tenon frame are inserted into the two sets of symmetrically-arranged clamping grooves correspondingly, the spring bolts are ejected out, the mortise and tenon frame is locked and prevented from falling off, and after a plurality of connecting pieces are installed, the first prefabricated concrete wall and the second prefabricated concrete wall are installed. And concrete is poured into a gap between the first prefabricated concrete wall and the second prefabricated concrete wall to form a vertical post-pouring section, so that the prefabricated wall mounting operation is completed. According to the connecting structure, the screw hole does not need to be chiseled or blocked, and the common quality problem of leakage of a traditional reinforced connecting structure of a prefabricated wall is solved.

Description

Technical Field

[0001] The embodiments of the utility model belong to the technical field of assembled buildings, and more specifically, relate to a prefabricated wall reinforcement installation connection structure. Background Art

[0002] Prefabricated buildings refer to buildings that transfer a large amount of on-site work in traditional construction methods to factories, where building components and accessories are processed and manufactured, transported to the construction site, and assembled and installed on site through reliable connection methods. Prefabricated buildings mainly include prefabricated concrete structures. Because they use standardized design, factory production, assembly construction, information management, and intelligent applications, they are representatives of modern industrialized production methods.

[0003] The existing prefabricated wall reinforcement nodes are usually spliced ​​with screw reinforcement, and the traditional screw reinforcement installation of two prefabricated panels has the following problems after installation: First, due to the large number of assembly combinations between the two prefabricated walls, the connection structure is also relatively complex and diverse, which increases the construction difficulty and reduces the construction efficiency; Second, due to the use of screw reinforcement installation between the two prefabricated walls, there is a common quality problem of leakage due to the subsequent chiseling and sealing of the screw holes.

[0004] Therefore, at this stage, there is an urgent need for a connector device for prefabricated wall reinforcement and installation, which can realize the reinforcement of the prefabricated wall structure connection node position without through-wall screws, eliminate the formwork and demolding process, has an anti-leakage sealing function, and can improve on-site construction efficiency. Summary of the invention

[0005] In view of the problems in the prior art that prefabricated walls need to support and dismantle formwork during installation, and that connection nodes need to be drilled for installation, the utility model provides a prefabricated wall reinforcement installation connection structure to solve such problems.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a prefabricated wall reinforcement installation connection structure, comprising a first prefabricated concrete wall and a second prefabricated concrete wall fixedly arranged on a foundation; a plurality of groups of embedded steel plates symmetrically arranged on the inner sides of the first prefabricated concrete wall and the second prefabricated concrete wall, respectively, the embedded steel plates comprising anchor plates and connecting plates, and slots being provided on the connecting plates; a connecting piece for connecting the two symmetrically arranged groups of embedded steel plates, comprising a tenon frame, a positioning nut arranged on the top of the tenon frame, and locking tongues arranged on the inner sides of the two ends of the bottom of the tenon frame; the two ends of the bottom of the tenon frame are respectively inserted into the two groups of symmetrically arranged slots; the locking tongues are in conflict with the bottom of the connecting plate; and a vertical post-cast section is formed by pouring concrete into the gap between the first prefabricated concrete wall and the second prefabricated concrete wall.

[0007] Furthermore, the mortise frame is a shaped frame, comprising a cross bar and vertical bars symmetrically fixed at both ends of the cross bar.

[0008] Furthermore, a receiving groove is provided on the inner side of the bottom end of the vertical rod, and one end of the locking tongue is rotatably connected to the bottom of the vertical rod through a pin.

[0009] Furthermore, a torsion spring is sleeved on the pin shaft, one end of the torsion spring is connected to the lock tongue, and the other end is connected to the bottom of the receiving groove.

[0010] Furthermore, the first precast concrete wall includes a first wall panel and a first steel mesh; the first wall panel is formed by casting concrete, and a first roughened layer is provided on the inner side thereof; one end of the first steel mesh is fixed in the first wall panel by casting, and the other end passes through the inner side of the first wall panel.

[0011] Furthermore, the second precast concrete wall has the same structure as the first precast concrete wall, including a second wall panel and a second steel mesh.

[0012] Furthermore, the anchor plates are symmetrically fixed on the first steel mesh and the second steel mesh, and are respectively embedded and fixed in the first wall panel and the second wall panel through concrete pouring; the connecting plate is fixedly connected to the inner side of the anchor plates.

[0013] Furthermore, the vertical rod is a wedge-shaped rod, and its outer diameter gradually decreases from the top to the bottom.

[0014] In general, the above technical solutions conceived by the utility model can achieve the following beneficial effects compared with the prior art:

[0015] (1) The reinforced installation connection structure of the utility model realizes a fastened connection between the first precast concrete wall and the second precast concrete wall by symmetrically fixing anchor plates on the inner sides of the first precast concrete wall and the second precast concrete wall, and connecting them as a whole through the connecting plates. This can offset the impact force of the concrete slurry when pouring the vertical post-casting section, avoid the formwork and dismantling process, and improve the on-site construction efficiency. At the same time, it realizes the concealment of the connection structure without the need to chisel and seal the screw holes, thus solving the common quality problem of structural leakage in the traditional reinforced connection of precast walls.

[0016] (2) The reinforced installation connection structure of the utility model is connected to the bottom thread of the positioning rod by the positioning nut, so that the operator can hold the positioning rod and drive the connecting piece to connect the embedded steel plates at different positions; by designing the vertical rod at the bottom of the tenon frame as a wedge-shaped rod, it can be easily inserted into the slot for positioning; by providing a storage groove at the bottom of the vertical rod to store the lock tongue, it is avoided that the lock tongue is blocked when the vertical rod is inserted into the slot; through the above measures, the positioning efficiency of the connecting piece is improved, and the operation is simple and the construction is easy. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1This is a structural schematic diagram of a prefabricated wall reinforcement installation connection structure in an embodiment of the utility model;

[0018] Figure 2 A vertical cross-sectional view of the reinforced mounting connection structure in an embodiment of the utility model;

[0019] Figure 3 This is a schematic diagram of the structure of the connecting member in the embodiment of the utility model;

[0020] Figure 4 This is a schematic diagram of the connection between the connecting piece and the embedded steel plate in the embodiment of the utility model;

[0021] Figure 5 This is a construction operation diagram for reinforcing and installing the connection structure in an embodiment of the utility model.

[0022] In all the accompanying drawings, the same figure marks represent the same technical features, specifically: 1-first precast concrete wall, 101-first wall panel, 102-first steel mesh, 2-second precast concrete wall, 201-second wall panel, 202-second steel mesh, 3-vertical post-cast section, 4-embedded steel plate, 41-anchor plate, 42-connecting plate, 421-slot, 5-connecting piece, 51-tenon frame, 511-cross bar, 512-vertical bar, 52-positioning nut, 53-lock tongue, 6-positioning rod. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0024] like Figure 1-5As shown, the utility model provides a prefabricated wall reinforcement installation connection structure, including a first prefabricated concrete wall 1, a second prefabricated concrete wall 2, a vertical post-casting section 3, an embedded steel plate 4 and a connector 5. The embedded steel plate 4 is provided in multiple groups, which are symmetrically arranged on the inner sides of the first prefabricated concrete wall 1 and the second prefabricated concrete wall 2, respectively, and includes an anchor plate 41 and a connecting plate 42, and a slot 421 is provided on the connecting plate 42. The connecting member 5 is used to connect the two symmetrically arranged groups of embedded steel plates 4, so as to realize the fixed connection between the first prefabricated concrete wall 1 and the second prefabricated concrete wall 2, and includes a tenon frame 51, a positioning nut 52 arranged on the top of the tenon frame 51, and a locking tongue 53 arranged on the inner sides of both ends of the bottom of the tenon frame 51. During the installation, the first precast concrete wall 1 and the second precast concrete wall 2 are symmetrically arranged on the foundation, and the positioning rod 6 is threadedly connected with the positioning nut 52, and the connector 5 is inserted into the gap between the first precast concrete wall 1 and the second precast concrete wall 2, and the two ends of the bottom of the tenon frame 51 are respectively inserted into two groups of symmetrically arranged slots 421, and the locking tongue 53 pops out to lock the tenon frame 51 to prevent it from falling off. After the installation of multiple connectors 5 is completed, concrete is poured into the gap between the first precast concrete wall 1 and the second precast concrete wall 2 to form a vertical post-casting section 3, thereby completing the precast wall installation operation. The connection structure of the utility model realizes the concealment of the connection structure by pre-embedded steel plates 4 and connectors 5, without the need to chisel and block the screw holes, and solves the common quality problem of structural leakage of traditional reinforced connections of precast walls.

[0025] like Figure 1-2 As shown, in the embodiment of the utility model, the first precast concrete wall 1 includes a first wall panel 101 and a first steel mesh 102; the first wall panel 101 is formed by casting concrete, and a first roughened layer is provided on the inner side thereof to strengthen the bonding between new and old concrete, thereby ensuring the stability and durability of the structure; one end of the first steel mesh 102 is fixed in the first wall panel 101 by casting, and the other end passes through the inner side of the first wall panel 101 to fix the embedded steel plate and serve as the skeleton of the vertical post-cast section 3; the first steel mesh 102 is formed by bundling and fixing a plurality of groups of transverse steel bars and longitudinal steel bars.

[0026] The second precast concrete wall 2 has the same structure as the first precast concrete wall 1, and includes a second wall panel 201 and a second steel mesh 202. One end of the second steel mesh 202 is fixed in the second wall panel 201 by casting, and the other end passes through the inner side of the second wall panel 201 to fix the embedded steel plate and serve as the framework of the vertical post-cast section 3.

[0027] like Figure 4As shown in the figure, in the embodiment of the present utility model, multiple groups of the embedded steel plates 4 are respectively arranged in an array on the inner sides of the first precast concrete wall 1 and the second precast concrete wall 2, and each of the embedded steel plates includes an anchor plate 41 and a connecting plate 42. The anchor plates 41 are symmetrically fixed on the first steel mesh 102 and the second steel mesh 202 respectively by welding, and are respectively embedded and fixed in the first wall panel 101 and the second wall panel 201 through concrete pouring. The connecting plate 42 is fixedly connected to the inner side of the anchor plate 41 by welding, and a clamping groove 421 is formed therein.

[0028] As Figure 3 As shown in the figure, in the embodiment of the present utility model, the connecting member 5 is used to connect two groups of symmetrically arranged embedded steel plates 4, and it includes a tenon frame 51, a positioning nut 52 fixedly arranged at the top of the tenon frame 51, and locking tongues 53 arranged at the inner sides of both ends of the bottom of the tenon frame 51. The tenon frame 51 is a U-shaped frame, including a cross bar 511 and vertical bars 512 symmetrically fixed at both ends of the cross bar 511; preferably, the vertical bars 512 are wedge-shaped bars, and their outer diameters gradually decrease from the top to the bottom, so as to be inserted into the clamping groove 421 for positioning. The locking tongues 53 are rotatably connected to the bottom ends of the vertical bars 512 and pop out to lock after the vertical bars 512 are inserted through the clamping groove 421; further, a receiving groove is provided inside the bottom ends of the vertical bars 512, one end of the locking tongue 53 is rotatably connected to the bottom of the vertical bar 512 through a pin shaft, and the other end can be rotated into the receiving groove to prevent blocking when the vertical bar 512 is inserted into the clamping groove 421; further, a torsion spring is also sleeved on the pin shaft, one end of the torsion spring is connected to the locking tongue 53, and the other end is connected to the bottom of the receiving groove. After the vertical bar 512 is inserted through the clamping groove 421, the torsion spring pushes the locking tongue 53 to pop out and抵触 against the bottom of the connecting plate 42 to lock the tenon frame 51 and prevent the tenon frame 51 from loosening and disengaging from the clamping groove 421. The positioning nut 52 is fixedly arranged at the middle of the top of the cross bar 511 by welding. By being threadedly connected to the bottom of the positioning rod 6, an operator can hold the positioning rod 6 to drive the connecting member 5, so that the vertical bars 512 at the bottom are aligned with the clamping groove 421 and inserted, so that the two groups of symmetrically arranged connecting plates 42 are connected by the connecting member 5, thereby realizing the firm connection between the first precast concrete wall 1 and the second precast concrete wall 2, and the impact force of the concrete slurry during the pouring of the vertical post-cast section 3 can be offset, and the process of formwork erection and removal can be avoided.

[0029] In the embodiment of the utility model, when the precast wall is installed, the first precast concrete wall 1 and the second precast concrete wall 2 are symmetrically arranged on the foundation, and the positioning rod 6 is threadedly connected with the positioning nut 52, and the connecting piece 5 is sent into the gap between the first precast concrete wall 1 and the second precast concrete wall 2, and the vertical rods 512 at both ends of the bottom of the tenon frame 51 are respectively inserted through the two groups of symmetrically arranged slots 421, and the torsion spring pushes the lock tongue 53 to pop out and contact with the bottom of the connecting plate 42, and the tenon frame 51 is locked to prevent the tenon frame 51 from loosening and escaping from the slot 421, thereby fastening the first precast concrete wall 1 and the second precast concrete wall 2. After the locking operation is completed, the positioning rod 6 is twisted in the opposite direction to disengage it from the positioning nut 52, and the positioning and connecting operation of the next group of connecting pieces 5 is carried out; after the installation of multiple connecting pieces 5 is completed, concrete is poured into the gap between the first precast concrete wall 1 and the second precast concrete wall 2 to form a vertical post-casting section 3, thereby completing the precast wall installation operation.

[0030] The reinforced installation connection structure of the utility model realizes a fastening connection between the first precast concrete wall 1 and the second precast concrete wall 2 by symmetrically fixing anchor plates 41 on the inner sides of the first precast concrete wall 1 and the second precast concrete wall 2 respectively, and connecting them as a whole through a connecting plate 42, which can offset the impact force of the concrete slurry when pouring the vertical post-casting section 3, avoids the formwork and demolding process, improves the on-site construction efficiency, and realizes the hiding of the connection structure at the same time, without the need to chisel and seal the screw holes, thereby solving the common quality problem of structural leakage of traditional reinforced connections of precast walls.

[0031] The reinforced installation connection structure of the utility model is threadedly connected to the bottom of the positioning rod 6 by the positioning nut 52, so that the operator can hold the positioning rod 6 to drive the connecting piece 5 to connect the embedded steel plates 4 at different positions; by designing the vertical rod 512 at the bottom of the tenon frame 51 as a wedge-shaped rod, it can be conveniently inserted into the slot 421 for positioning; by providing a storage groove at the bottom of the vertical rod 512 to store the lock tongue 53, it is avoided that the lock tongue is blocked when the vertical rod 512 is inserted into the slot 421; through the above measures, the positioning efficiency of the connecting piece 5 is improved, and the operation is simple and the construction is easy.

[0032] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A prefabricated wall reinforcement installation connection structure, characterized in that: include: A first precast concrete wall (1) and a second precast concrete wall (2) fixedly mounted on a foundation; A plurality of groups of embedded steel plates (4) are symmetrically arranged on the inner sides of the first precast concrete wall (1) and the second precast concrete wall (2), respectively, the embedded steel plates (4) comprising anchor plates (41) and connecting plates (42), and the connecting plates (42) are provided with slots (421); A connecting piece (5) for connecting two groups of symmetrically arranged embedded steel plates (4), comprising a tenon frame (51), a positioning nut (52) arranged at the top of the tenon frame (51), and locking tongues (53) arranged at the inner sides of the two ends of the bottom of the tenon frame (51); the two ends of the bottom of the tenon frame (51) are respectively inserted into two groups of symmetrically arranged slots (421); the locking tongues (53) are in contact with the bottom of the connecting plate (42); And a vertical post-cast section (3) is formed by pouring concrete in the gap between the first precast concrete wall (1) and the second precast concrete wall (2).

2. A prefabricated wall reinforcement installation connection structure according to claim 1, characterized in that: The tenon frame (51) is a shaped frame, comprising a cross bar (511) and vertical bars (512) symmetrically fixed at both ends of the cross bar (511).

3. A prefabricated wall reinforcement installation connection structure according to claim 2, characterized in that: A receiving groove is provided on the inner side of the bottom end of the vertical rod (512), and one end of the locking tongue (53) is rotatably connected to the bottom of the vertical rod (512) via a pin.

4. A prefabricated wall reinforcement installation connection structure according to claim 3, characterized in that: The pin shaft is also sleeved with a torsion spring, one end of which is connected to the locking tongue (53), and the other end of which is connected to the bottom of the receiving groove.

5. A prefabricated wall reinforcement installation connection structure according to any one of claims 1-4, characterized in that: The first precast concrete wall (1) comprises a first wall panel (101) and a first steel mesh (102); the first wall panel (101) is cast by concrete, and a first roughened layer is provided on the inner side thereof; one end of the first steel mesh (102) is fixedly disposed in the first wall panel (101) by casting, and the other end of the first steel mesh (102) passes through the inner side of the first wall panel (101).

6. A prefabricated wall reinforcement installation connection structure according to claim 5, characterized in that: The second precast concrete wall (2) has the same structure as the first precast concrete wall (1), and comprises a second wall panel (201) and a second steel mesh (202).

7. A prefabricated wall reinforcement installation connection structure according to claim 6, characterized in that: The anchor plates (41) are symmetrically fixed on the first steel mesh (102) and the second steel mesh (202), and are pre-embedded and fixed in the first wall panel (101) and the second wall panel (201) through concrete pouring; the connection plate (42) is fixedly connected to the inner side of the anchor plate (41).

8. The prefabricated wall reinforcement installation connection structure according to claim 2, characterized in that: The vertical rod (512) is a wedge-shaped rod, and its outer diameter gradually decreases from the top to the bottom.

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