CN206070796U - A kind of vertical attachment means of prefabricated assembled shear wall slab - Google Patents

Abstract

The utility model discloses a kind of vertical attachment means of prefabricated assembled shear wall slab, including the embedded board being embedded in wainscot sheathing, the connector for being laid in the cornice sheathing left and right sides and being fastenedly connected with embedded board and the fixing bolt for fixing the connector and cornice sheathing, the connecting plate that the connector is included a few font links and is fastenedly connected with a few font links, a few font links include middle brace rod and the left connecting rod being connected with middle brace rod two ends respectively and right connecting rod, it is provided with the connecting plate that the connection hole site reserved with cornice sheathing is corresponding and bolt hole that pass through for fixing bolt.It is this utility model simple structure, reasonable in design, can be the problems such as the situ wet operation amount that exists of the traditional vertical connected mode of effectively solving to be larger, connection required precision is high, difficulty of construction is big, construction cost is relatively low, easy construction, is easy to promote the use of.

Description

A vertical connection device for prefabricated shear wall panels

technical field

The utility model belongs to the technical field of prefabricated assembled concrete structure construction, in particular to a vertical connection device for prefabricated assembled shear wall panels.

Background technique

The prefabricated concrete structure is one of the important directions for the development of building structures in my country. It has the advantages of high level of industrialization, less on-site wet work, and low material consumption. It is conducive to improving building quality, realizing building energy saving and emission reduction, and housing industrialization. In recent years, national policy guidance and preferential policies have been introduced one after another, and prefabricated concrete structures have been greatly developed: more than 50 national housing industrialization bases have been approved to be established, and complete sets of application technologies such as prefabricated frame structures and prefabricated shear wall structures have gradually formed , and promulgated and implemented the "Technical Regulations for Prefabricated Concrete Structures" in October 2014, providing a basis for the design, construction and acceptance of prefabricated concrete structures.

The prefabricated shear wall structure has been widely used in high-rise prefabricated structures because of its good integrity, high rigidity, and high bearing capacity. At present, the vertical connection of prefabricated shear wall structures mostly adopts sleeve grouting connection, mechanical connection, welding connection and steel grout anchor connection. These vertical connection construction measures reduce the anchorage length of steel bars and save steel bars. However, these connection methods require high construction technology and manufacturing precision, and the construction is difficult, which slows down the construction progress and directly leads to an increase in construction costs, especially the sleeve grouting connection. The construction cost of the sleeve is high, and the sleeve cannot secondary use. Therefore, it is necessary to provide a vertical connection device for prefabricated shear wall panels with simple structure and reasonable design, which can effectively solve the problems of large wet work on site, high connection precision requirements and difficult construction existing in traditional vertical connection methods. Large and other problems, low construction cost, convenient construction, easy to promote and use.

Utility model content

The technical problem to be solved by the utility model is to provide a prefabricated assembly type vertical connection device for shear wall panels, which has a simple structure and a reasonable design, and can effectively solve the problems of the traditional vertical connection method. The site has a large amount of wet work, high requirements for connection accuracy, and difficult construction. The construction cost is low, the construction is convenient, and it is easy to promote and use.

In order to solve the above technical problems, the technical solution adopted by the utility model is: a vertical connection device for prefabricated shear wall panels, which is characterized in that it includes a plurality of connection mechanisms arranged along the length direction of the wall, and the connection mechanism It includes the pre-embedded board embedded in the lower wall board, the connectors arranged on the left and right sides of the upper wall board and fastened with the pre-embedded board, and the fixing bolts for fixedly connecting the connector and the upper wall board. The connecting piece includes a connecting plate and a several-shaped connecting frame for connecting the embedded plate and the connecting plate. The several-shaped connecting frame includes a middle connecting rod and a left connecting rod and a right connecting rod respectively connected to both ends of the middle connecting rod , the connecting plate is tightly connected with the middle connecting rod, the left connecting rod and the right connecting rod, the embedded plate is tightly connected with the middle connecting rod, and the connecting plate is provided with a bolt passage for the fixing bolt to pass through. holes, the bolt through holes correspond to the positions of the connection holes reserved on the upper wallboard, and the length of the embedded board is greater than the thickness of the lower wallboard.

The above-mentioned vertical connection device for prefabricated shear wall panels is characterized in that the thickness of the embedded panels is not less than 16mm, and the width is not less than 150mm.

The above-mentioned vertical connection device for prefabricated shear wall panels is characterized in that the diameters of the middle connecting rod, the left connecting rod and the right connecting rod are not less than 10 mm.

The above-mentioned vertical connection device for prefabricated shear wall panels is characterized in that: the connecting plate is welded to the middle connecting rod, the left connecting rod and the right connecting rod, and the embedded plate is welded to the middle connecting rod.

Compared with the prior art, the utility model has the following advantages:

1. The utility model has the advantages of simple structure, reasonable design, low construction cost and convenient construction.

2. The utility model realizes the vertical connection between the wall panels of the prefabricated shear wall structure through the pre-embedded panels embedded in the lower wall panel and the connectors arranged on the left and right sides of the upper wall panel. The connection method is flexible and flexible. Change, speed up the construction progress.

3. The utility model has good use effect and high practical value. Compared with the traditional vertical connection method, it greatly reduces the amount of on-site wet work, and the connection is reliable, so that the prefabricated shear wall has a good structural integrity and effectively ensures the prefabricated assembly. The engineering quality of type shear wall structure.

4. In the installation process of the utility model, the position of the bolt through hole on the connection plate is determined according to the position of the connection hole reserved on the upper wall plate, and then the bolt through hole is drilled on the connection plate, and the position of the bolt through hole is easy to adjust And control, the connection quality is guaranteed, and the difficulty of construction is reduced.

To sum up, the utility model has a simple structure and a reasonable design, which can effectively solve the problems of the traditional vertical connection method, such as a large amount of on-site wet work, high requirements for connection accuracy, and difficult construction. The construction cost is low and the construction is convenient. , which is convenient for promotion and use.

The technical solutions of the present utility model will be further described in detail through the drawings and embodiments below.

Description of drawings

Fig. 1 is the structural representation of the utility model.

Fig. 2 is a left side view of Fig. 1 .

Fig. 3 is a schematic diagram of the installation structure of the embedded board, the connecting board and the several-shaped connecting frame of the utility model.

Fig. 4 is a schematic diagram of the installation structure of the sleeve and the restraining frame of the present invention.

Explanation of reference signs:

1—embedded board; 2—a few-shaped connecting frame; 2-1—middle connecting rod;

2-2—left connecting rod; 2-3—right connecting rod; 3—connecting plate;

4—bolt through hole; 5—upper wallboard; 6—lower wallboard;

7—fixing bolt; 8—sleeve; 9—constraining frame.

detailed description

As shown in Fig. 1, Fig. 2 and Fig. 3, the utility model includes a plurality of connection mechanisms arranged along the length direction of the wall, and the connection mechanisms include a pre-buried board 1 pre-buried in the lower wall board 6, a pre-buried board 1 arranged on the upper wall The left and right sides of the plate 5 and the connecting parts that are firmly connected with the embedded board 1 and the fixing bolts 7 for fixedly connecting the connecting parts with the upper wall panel 5, the connecting parts include the connecting plate 3 and the connecting parts for connecting the embedded The several-shaped connecting frame 2 of the plate 1 and the connecting plate 3, the said several-shaped connecting frame 2 includes the middle connecting rod 2-1 and the left connecting rod 2-2 and the right connecting rod 2-2 respectively connected to the two ends of the middle connecting rod 2-1. The connecting rod 2-3, the connecting plate 3 is tightly connected with the middle connecting rod 2-1, the left connecting rod 2-2 and the right connecting rod 2-3, and the embedded plate 1 and the middle connecting rod 2-1 Tightly connected, the connecting plate 3 is provided with a bolt through hole 4 for the fixing bolt 7 to pass through, and the bolt through hole 4 corresponds to the position of the connection hole reserved on the upper wallboard 5, and the embedded plate The length d ₁ of 1 is greater than the thickness d ₂ of the lower wall panel 6 .

In this embodiment, the thickness of the embedded board 1 is not less than 16mm, and its width is not less than 150mm.

In this embodiment, the diameters of the middle connecting rod 2-1, the left connecting rod 2-2 and the right connecting rod 2-3 are not less than 10mm.

In this embodiment, the connecting plate 3 is welded to the middle connecting rod 2-1, the left connecting rod 2-2 and the right connecting rod 2-3, and the embedded plate 1 is welded to the middle connecting rod 2-1.

During specific implementation, as shown in Figure 4, at first binding constraint frame 9, sleeve 8 is bound on the reinforcing bar of constraint frame 9, and the two ends of sleeve 8 all stretch out constraint frame 9, then to constraint frame 9 pouring concrete, When the concrete strength reaches 75%, the sleeve 8 is taken out to form a reserved connection hole on the wallboard, the sleeve 8 can be used for many times, and the construction cost is reduced.

When the concrete strength reaches 100%, the wall panels of the prefabricated assembly shear wall structure are formed, the wall panels of the prefabricated assembly shear wall structure are hoisted, and the levelness and verticality of the wall panels are adjusted so that the upper wall panel 5 and the lower wall The positions of the plates 6 are placed correspondingly. Weld the middle connecting rods 2-1 of the two several-shaped connecting frames 2 to both sides of the pre-embedded board 1 respectively, and then pre-embed the pre-embedded board 1 in the lower wall board 6, if the pre-embedded board 1 and the lower wall board If the elevation difference of 6 is within 15mm, use mortar for leveling. If the elevation difference between embedded panel 1 and lower wall panel 6 is greater than 15mm, use fine stone concrete for leveling. Then two connecting plates 3 are welded respectively on the left connecting rod 2-2 and the right connecting rod 2-3 of two several-shaped connecting frames 2, connecting plate 3 and embedded plate 1 are also welded, improve connection reliability, Then according to the position of the connecting hole reserved on the upper wallboard 5, determine the position of the bolt through hole 4 on the connecting plate 3, then drill the bolt through hole 4 on the connecting plate 3, so the position of the bolt through hole 4 is easy to adjust and control, the construction difficulty is reduced, and the connection quality is guaranteed, so that the integrity of the prefabricated shear wall structure is good, and then the fixing bolt 7 is passed through the bolt through hole 4 on the connection plate 3 and the connection hole on the upper wall plate 5 , to realize the vertical connection of the upper wallboard 5 and the lower wallboard 6.

The above is only an embodiment of the utility model, and does not limit the utility model in any way. All simple modifications, changes and equivalent structural changes made to the above embodiments according to the technical essence of the utility model still belong to the utility model. Within the scope of protection of new technical solutions.

Claims (4)

1. A vertical connection device for prefabricated shear wall panels, characterized in that: it includes a plurality of connection mechanisms arranged along the length direction of the wall, and the connection mechanisms include pre-buried in the lower wall panel (6). The board (1), the connectors arranged on the left and right sides of the upper wall board (5) and firmly connected with the embedded board (1), and the fixing bolts ( 7), the connector includes a connecting plate (3) and a several-shaped connecting frame (2) for connecting the embedded plate (1) and the connecting plate (3), and the several-shaped connecting frame (2) includes The middle connecting rod (2-1) and the left connecting rod (2-2) and the right connecting rod (2-3) respectively connected with the two ends of the middle connecting rod (2-1), the connecting plate (3) and the middle The connecting rod (2-1), the left connecting rod (2-2) and the right connecting rod (2-3) are all tightly connected, and the embedded plate (1) and the middle connecting rod (2-1) are tightly connected , the connecting plate (3) is provided with a bolt through hole (4) for the fixing bolt (7) to pass through, and the bolt through hole (4) is in the same position as the reserved connecting hole on the upper wallboard (5) Correspondingly, the length of the embedded board (1) is greater than the thickness of the lower wallboard (6). 2. A vertical connection device for prefabricated shear wall panels according to claim 1, characterized in that: the thickness of the embedded panel (1) is not less than 16mm, and its width is not less than 150mm. 3. A vertical connection device for prefabricated shear wall panels according to claim 1, characterized in that: the middle connecting rod (2-1), the left connecting rod (2-2) and the right connecting rod The diameter of (2-3) is not less than 10mm. 4. A vertical connection device for prefabricated shear wall panels according to claim 1, characterized in that: the connecting plate (3) is connected to the middle connecting rod (2-1), the left connecting rod (2- 2) and the right connecting rod (2-3) are welded, and the embedded plate (1) and the middle connecting rod (2-1) are welded.