CN112012351A - Prefabricated wall panel dry connection joint with double connection of beam top and beam bottom - Google Patents

Abstract

The invention discloses a prefabricated wall panel dry-type connection node with double-connected beam top and beam bottom, which is used for connecting a first prefabricated wall panel, a second prefabricated wall panel and a supporting beam, and between the first prefabricated wall panel and the supporting beam A beam top connection component is installed, and a beam bottom connection component is installed between the second prefabricated wall panel and the support beam; the beam top connection component includes section steel and load-bearing corbels, and load-bearing bolts are installed on the load-bearing corbels, and the load-bearing bolts are connected with the support beam , a lower sliding piece is fixedly installed on the support beam, and the lower sliding piece is fixedly connected with the load-bearing corbel or the first prefabricated wall panel; the beam bottom connecting component includes an upper sliding piece fixedly connected with the second prefabricated wall panel, and the upper sliding piece is connected with a It is fixedly connected with the bottom end of the supporting beam; the connection node is three-dimensional adjustable, with good tolerance and convenient installation; the deformation of the wall panel and the connection node is coordinated with the deformation of the main structure; the applicable function of the external wall panel system is improved, and it is earthquake resistant, safe and reliable. , fireproof, durable and beautiful; easy to install, lightweight and cost-effective.

Description

Prefabricated wall panel dry connection joint with double connection of beam top and beam bottom

technical field

The invention relates to a prefabricated wallboard connecting component, in particular to a prefabricated wallboard dry-type connecting node.

Background technique

At present, there are many types of prefabricated external wall panels and connection methods in prefabricated buildings across the country, but the common problems are that the weight of components is heavy, the production and processing costs of connection accessories are high, the connection method is complicated and difficult to install, and even the connection method is unreasonable. The whole connection system has caused certain hidden dangers to the construction and installation, as well as the structure and use and maintenance.

For reinforced concrete structural system or steel beam structure system, the key difficulties in connecting the nodes of external wall panels are complex production, high cost, high interface assembly difficulty, and chaotic levels; poor three-dimensional adjustment performance, poor tolerance, and inconvenient installation; wall panels and connecting nodes It is difficult to coordinate the deformation with the deformation of the main structure; the applicable function of the external wall panel system is reduced.

SUMMARY OF THE INVENTION

The technical problem to be solved by the present invention is to provide a prefabricated wallboard dry-type connection node with double-connected beam top and beam bottom with good tolerance and convenient installation.

In order to solve the above-mentioned technical problems, the technical scheme of the present invention is: a prefabricated wall panel dry connection node with double-connected beam top and beam bottom is used to connect the first prefabricated wall panel, the second prefabricated wall panel and the supporting beam, the first prefabricated wall panel A beam top connecting assembly is installed between the bottom end of a prefabricated wall panel and the top end of the supporting beam, and a beam bottom connecting assembly is installed between the bottom end of the second prefabricated wall panel and the bottom end of the supporting beam, Between the bottom end of the first prefabricated wall panel and the top end of the second prefabricated wall panel, an anti-fall off pressing device is arranged;

The beam top connecting assembly includes a load-bearing corbel fixedly connected with the bottom end of the first prefabricated wall panel, a load-bearing bolt is installed on the load-bearing corbel, the load-bearing bolt is connected with the support beam, and the support A lower sliding piece is fixedly installed on the beam, and the lower sliding piece is fixedly connected with the bottom end of the load-bearing corbel or the first prefabricated wall panel;

The beam bottom connecting assembly includes an upper sliding connecting screw that is fixedly connected with the bottom end of the second prefabricated wall panel, the upper sliding connecting screw is connected with an upper sliding piece, and the upper sliding piece is connected to the bottom end of the supporting beam. Fixed connection.

As a preferred technical solution, the anti-separation pressing device comprises an anti-separation outer step arranged at the bottom end of the first prefabricated wall panel and an anti-separation inner step arranged at the top of the second prefabricated wall panel. The anti-fall off outer step and the anti-fall off inner step are pressed together, the upper connecting surface of the anti-fall off outer step facing the anti-fall off inner step extends obliquely from the bottom edge to the direction of the support beam, and the anti-fall off step The lower connection surface of the inner step facing the outer step of preventing removal is inclined and matched with the upper connection surface.

As a preferred technical solution, section steel is pre-embedded in the first prefabricated wall panel, and one end of the load-bearing corbel extends into the first prefabricated wall panel and is welded with the section steel. The wall is provided with two pairs of snap grooves matched with the load-bearing corbels;

The load-bearing corbel includes a load-bearing main plate, and a load-bearing side plate is fixedly installed on both sides of the load-bearing main plate, and the two load-bearing side plates are matched with a pair of snap grooves on one side of the profile steel close to the support beam. The two ends of the load-bearing main board are respectively fixed with connecting end plates and support end plates welded with the load-bearing side plates on both sides, and the load-bearing main plate and the load-bearing side plates are connected from the outer ends of the support end plates. a U-shaped leg that extends outward and forms a U-shaped leg matched with another pair of snap grooves of the profiled steel; a reinforcing plate is fixedly installed between the middle parts of the two load-bearing side plates, and between the reinforcing plate and the connecting end plate The load-bearing inner wire sleeve is fixedly installed on the load-bearing main board, and the outer wall of the load-bearing inner wire sleeve is circumferentially distributed with four perpendicular to the reinforcing plate, the load-bearing side plate and the connecting end plate. The connected rib; the load-bearing bolt is connected with the load-bearing inner wire sleeve.

As a preferred technical solution, the bottom end of the first prefabricated wall panel is pre-embedded with a side bottom metal plate, one end of the load-bearing corbel is welded with the side bottom metal plate, and the load-bearing corbel is fixedly installed inside. There are load-bearing bolts, and one end of the load-bearing bolts is connected with the top end of the support beam.

As a preferred technical solution, the lower sliding member is provided with a sliding member connecting hole, the lower sliding member is installed with a sliding connecting screw that passes through the connecting hole of the sliding member, and one end of the sliding connecting screw extends to the bottom end of the load-bearing corbel and welded with the load-bearing corbel, the other end of the sliding connecting screw is installed with a sliding fastening nut pressed against the upper sliding member; the bearing bolt is connected to the The support beam is pressed against the connection.

As a preferred technical solution, the lower sliding member is provided with a sliding member connecting hole, the bottom end of the first prefabricated wall panel is pre-embedded with a sliding connecting screw, and the free end of the sliding connecting screw passes through the The connecting hole of the sliding piece is installed with two sliding fastening nuts which are respectively pressed against the lower sliding piece; the load-bearing bolt is fixedly connected with the supporting beam.

As a preferred technical solution, the upper sliding member is provided with an upper sliding member connecting long hole that cooperates with the upper sliding connecting screw, and the upper sliding connecting inner wire sleeve is pre-embedded in the second prefabricated wall panel. One end of the upper sliding connection screw is threadedly connected with the upper sliding connection inner wire sleeve, and the other end of the upper sliding connection screw extends outward through the upper sliding connection long hole and is installed with at least one pressure The upper sliding fastening nut rests on the upper sliding piece, and an adapter assembly is fixedly installed between the upper sliding piece and the bottom end of the support beam.

As a preferred technical solution, the adapter assembly includes an adapter, two adapter screw holes are provided on the side of the upper sliding member facing the adapter, and the upper sliding member and the adapter are provided with two adapter screw holes. Two transfer screws that respectively pass through the transfer screw holes are installed between the adapters, and one end of the transfer screws extends into the adapter and is welded with the adapter. The other end of the screw rod passes through the transfer screw hole and is installed with two transfer fastening nuts respectively located on both sides of the transfer screw hole.

As a preferred technical solution, the upper sliding connecting screw is pre-embedded in the second prefabricated wall panel, and the upper sliding member is provided with an upper sliding member connecting long hole that cooperates with the upper sliding connecting screw. The free end of the upper sliding connecting rod passes through the connecting long hole of the upper sliding piece and is installed with two upper sliding tightening nuts pressed against both sides of the upper sliding piece, and the upper sliding piece is directly connected to the upper sliding piece. The support beam is fixedly connected.

As a preferred technical solution, the support beam is a steel beam or a reinforced concrete beam, the beam top of the reinforced concrete beam is provided with a beam top embedded part, and the beam bottom of the reinforced concrete beam is provided with a beam bottom embedded part.

Due to the adoption of the above technical solution, the dry connection node of the prefabricated wall panel with the double connection of the beam top and the beam bottom is used to connect the first prefabricated wall panel, the second prefabricated wall panel and the supporting beam, and the bottom of the first prefabricated wall panel A beam top connecting component is installed between the end and the top end of the supporting beam, a beam bottom connecting component is installed between the bottom end of the second prefabricated wall panel and the bottom end of the supporting beam, and the first prefabricated wall panel The bottom end of the panel and the top end of the second prefabricated wall panel are provided with an anti-separation pressing device; the beam top connecting assembly includes a load-bearing corbel fixedly connected to the bottom end of the first prefabricated wall panel, so A load-bearing bolt is installed on the load-bearing corbel, the load-bearing bolt is connected with the support beam, and a lower sliding piece is fixedly installed on the support beam, and the lower sliding piece and the load-bearing corbel or the first prefabricated The bottom end of the wall panel is fixedly connected; the beam bottom connecting component includes an upper sliding connecting screw that is fixedly connected to the bottom end of the second prefabricated wall panel, the upper sliding connecting screw is connected with an upper sliding piece, and the upper sliding piece It is fixedly connected with the bottom end of the support beam; the connection node is three-dimensional adjustable, has good tolerance, and is easy to install; the deformation of the wall panel and the connection node is coordinated with the deformation of the main structure; the applicable function of the external wall panel system is improved, and the earthquake resistance is improved. , safe and reliable, fireproof, durable and beautiful; easy to install, lightweight and cost-effective.

Description of drawings

The following drawings are only intended to illustrate and explain the present invention schematically, and do not limit the scope of the present invention. in:

1 is a first structural schematic diagram of a beam top connecting assembly and a beam bottom connecting assembly according to an embodiment of the present invention;

Fig. 2 is A-A sectional view in Fig. 1;

Fig. 3 is B-B in Fig. 2 sectional view;

4 is a schematic structural diagram of a lower sliding member according to an embodiment of the present invention;

5 is an exploded view of a load-bearing node according to an embodiment of the present invention;

Fig. 6 is the sectional view of the embodiment steel of the present invention;

Fig. 7 is the bottom view of the beam bottom connecting assembly in Fig. 1;

Figure 8 is a side view of the beam bottom connection assembly in Figure 1;

9 is a schematic structural diagram when the supporting beam is a steel beam according to an embodiment of the present invention;

10 is a second structural cross-sectional view of the beam top connecting assembly and the beam bottom connecting assembly according to the embodiment of the present invention;

11 is a perspective view of the second structure of the beam top connecting assembly according to the embodiment of the present invention;

Fig. 12 is the third structure and connection cross-sectional view of the upper sliding member and the lower sliding member according to the embodiment of the present invention;

Fig. 13 is the third structure and connection sectional view of the load-bearing corbel according to the embodiment of the present invention;

Fig. 14 is the fourth structure and connection sectional view of the load-bearing corbel according to the embodiment of the present invention;

Fig. 15 is the fifth structure and connection sectional view of the load-bearing corbel according to the embodiment of the present invention;

Fig. 16 is the sixth structure and connection sectional view of the load-bearing corbel according to the embodiment of the present invention;

Fig. 17 is the fourth structure and connection sectional view of the upper sliding member and the lower sliding member according to the embodiment of the present invention;

In the figure: 11- the first prefabricated wall panel; 12- the second prefabricated wall panel; 13- anti-fall off step; 14- anti-fall off inner step; 21 - steel beam; 22 - reinforced concrete beam; 23 - beam top embedded parts; 24-beam bottom embedded parts; 31-section steel; 32-load-bearing bolts; 33-clamping grooves; 34-load-bearing fastening nuts; 41-load-bearing main board; 42-load-bearing side plates; 43-connecting end plates; 44 -Supporting end plate; 45-U-shaped leg; 46-Strengthening plate; 47-Load-bearing inner wire sleeve; 48-Rib plate; 51-Lower sliding piece; Sliding fastening nut; 61-upper sliding piece; 62-upper sliding piece connecting long hole; 63-adapting piece; 64-upper sliding connecting inner wire sleeve; 65-upward sliding connecting screw; 66-upward sliding fastening nut ; 67- transfer screw; 68- transfer fastening nut; 7- side bottom metal plate.

Detailed ways

The present invention will be further described below with reference to the accompanying drawings and embodiments. In the following detailed description, certain exemplary embodiments of the present invention have been described by way of illustration only. Needless to say, as those skilled in the art would realize, the described embodiments may be modified in various different ways, all without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and are not intended to limit the scope of protection of the claims.

As shown in FIG. 1 and FIG. 9 , the prefabricated wall panel dry connection node with double-connected beam top and beam bottom is used to connect the first prefabricated wall panel 11 , the second prefabricated wall panel 12 and the supporting beam. A beam top connection assembly is installed between the bottom end of the wall panel 11 and the top end of the support beam, and a beam bottom connection assembly is installed between the bottom end of the second prefabricated wall panel 12 and the bottom end of the support beam, Between the bottom end of the first prefabricated wall panel 11 and the top end of the second prefabricated wall panel 12, an anti-falloff pressing device is arranged;

The beam top connection assembly includes a load-bearing corbel fixedly connected to the bottom end of the first prefabricated wall panel 11, and a load-bearing corbel 32 is installed on the load-bearing corbel, and the load-bearing bolt 32 is connected with the support beam, A lower sliding member 51 is fixedly installed on the support beam, and the lower sliding member 51 is fixedly connected with the load-bearing corbel or the bottom end of the first prefabricated wall panel 11; when the lower sliding member 51 and the When the load-bearing corbels are fixedly connected, the load-bearing bolts 32 are pressed against and connected to the support beam; when the lower sliding member 51 is fixedly connected to the bottom end of the first prefabricated wall panel 11, the load-bearing bolts 32 are connected to The support beams are fixedly connected.

The beam bottom connecting assembly includes an upper sliding connecting screw 65 that is fixedly connected to the bottom end of the second prefabricated wall panel 12 . The bottom end of the support beam is fixedly connected. The support beam is a steel beam 21 or a reinforced concrete beam 22 with a beam top embedded part 23 provided on the top of the beam, and a beam bottom embedded part 24 is provided on the bottom of the reinforced concrete beam 22 . The beam top embedded member 23 includes a beam top embedded plate, and a plurality of embedded ribs embedded in the reinforced concrete beam 22 are provided on the beam top embedded plate. The beam bottom embedded member 24 includes a beam bottom embedded plate, and a plurality of embedded ribs embedded in the reinforced concrete beam 22 are provided on the beam bottom embedded plate.

The anti-falloff pressing device includes a fall-proof outer step 13 arranged at the bottom end of the first prefabricated wall panel 11 and a fall-off-proof inner step 14 arranged at the top of the second prefabricated wall panel 12. 13 and the anti-fall off inner step 14 are pressed together, the upper connecting surface of the anti-fall off outer step 13 facing the anti-fall off inner step 14 extends obliquely from the bottom edge to the direction of the support beam, the anti-fall off step 13 The lower connecting surface of the inner step 14 facing the outer step 13 and the upper connecting surface are inclined to fit.

There are various ways of connecting the load-bearing corbel and the first prefabricated wall panel 11, and two examples are given below for description:

The first type, as shown in FIG. 1 , FIG. 9 and FIG. 13 , the first prefabricated wall panel 11 is pre-embedded with profiled steel 31 , the profiled steel 31 is U-shaped steel 31 , and one end of the load-bearing corbel extends into the The first prefabricated wall panel 11 is welded with the section steel 31. As shown in FIG. 6, the side wall of the section steel 31 is provided with two pairs of snap grooves 33 which are matched with the load-bearing corbels; as shown in FIG. 3 As shown in FIG. 5 , the load-bearing corbel includes a load-bearing main plate 41, and a load-bearing side plate 42 is fixedly installed on both sides of the load-bearing main plate 41, and the two load-bearing side plates 42 and the profile steel 31 are close to the A pair of snap grooves 33 on one side of the support beam are matched, and two ends of the load-bearing main board 41 are respectively fixed with connecting end plates 43 and support end plates 44 welded with the load-bearing side plates 42 on both sides. The main plate 41 and the load-bearing side plate 42 extend outward from the outer end surface of the support end plate 44 and form a U-shaped leg 45 matched with the other pair of snap grooves 33 of the shaped steel 31; the two load-bearing sides A reinforcing plate 46 is fixedly installed between the middle of the plate 42, and a load-bearing inner wire sleeve 47 is fixedly installed on the load-bearing main board 41 between the reinforcing plate 46 and the connecting end plate 43, as shown in FIG. 2 . The load-bearing bolt 32 is threadedly connected with the load-bearing inner wire sleeve 47, and the free end of the load-bearing bolt 32 protrudes from the load-bearing inner wire sleeve 47 and is installed with a load-bearing tightening nut 34. The load-bearing inner wire The outer wall of the sleeve 47 is provided with four rib plates 48 vertically connected to the reinforcing plate 46 , the load-bearing side plate 42 and the connecting end plate 43 respectively.

The second type: As shown in Figure 10, Figure 14, Figure 15 and Figure 16, the bottom end of the first prefabricated wall panel 11 is pre-embedded with a side bottom metal plate 7, and one end of the load-bearing corbel is connected to the side bottom. The bottom metal plate 7 is welded, and a load-bearing bolt 32 is fixedly installed in the load-bearing corbel, and one end of the load-bearing bolt 32 is connected with the top end of the support beam.

Specifically, as shown in FIGS. 10 and 11 , the load-bearing corbel includes two load-bearing main plates 41 arranged in parallel and a load-bearing inner wire sleeve 47 , and the load-bearing bolt 32 is threadedly connected with the load-bearing inner wire sleeve 47 , A load-bearing tightening nut 34 is installed on the free end of the load-bearing bolt 32, and the load-bearing tightening nut 34 is pressed against the load-bearing corbel. Since the lower sliding member 51 is fixedly connected to the load-bearing corbel, the load-bearing bolt 32 is connected to the support beam by pressing.

As shown in FIG. 14 , the load-bearing corbel includes two load-bearing main plates 41 arranged in parallel, and the two load-bearing main plates 41 are vertically provided with load-bearing bolt mounting holes with overlapping centerlines, and the threaded ends of the load-bearing bolts 32 pass through The load-bearing bolts 32 are mounted on the load-bearing bolts 32 through the installation holes of the load-bearing bolts and are fixedly connected to the support beams. Two load-bearing fastening nuts 34 are installed on the load-bearing bolts 32 respectively pressed against the top and bottom ends of the load-bearing corbels.

As shown in FIG. 15 , the load-bearing corbel includes two load-bearing main plates 41 arranged in parallel and a load-bearing inner wire sleeve 47 , and the load-bearing bolt 32 is threadedly connected with the load-bearing inner wire sleeve 47 .

As shown in FIG. 16, the load-bearing corbel includes a load-bearing main board 41, and the load-bearing main board is located in the center of the load-bearing corbel, the load-bearing main board 41 is provided with a load-bearing bolt mounting hole, and the load-bearing bolt 32 The bolt head is welded with the top of the steel beam 21 or the beam top embedded part 23, the threaded end of the load-bearing bolt 32 passes through the load-bearing bolt mounting hole and is installed with two load-bearing fastening nuts 34, two of which are The load-bearing fastening nut 34 is sunk into the load-bearing corbel and pressed against both sides of the load-bearing main board 41 .

There are many ways of installing and connecting the lower sliding member 51. The following two examples are used for description:

The first type: as shown in Figure 1, Figure 9 and Figure 10, the lower sliding member 51 is provided with a sliding member connecting hole 52, and the sliding member connecting hole 52 can be set to extend longitudinally or laterally as required The lower sliding member 51 is provided with a sliding connecting screw 53 passing through the connecting hole 52 of the sliding member, and one end of the sliding connecting screw 53 extends to the bottom end of the load-bearing corbel and is connected with the load-bearing corbel Welding; when the structure of the load-bearing corbel is shown in Figures 1 and 9, the sliding connecting screw 53 is welded with the bottom end of the connecting end plate 43 and the bottom end of the rib 48 vertically connected to the connecting end plate 43, which can be welded according to needs. The load-bearing inner wire sleeve 47 is designed to be longer, so that its bottom end extends downward and protrudes from the bottom end face of the load-bearing corbel, and the end of the sliding connecting screw 53 extends to the outer wall of the load-bearing inner wire sleeve 47 It is welded with the outer wall of the load-bearing inner wire sleeve 47 , and the other end of the sliding connecting screw 53 is installed with a sliding tightening nut 54 pressed against the upper sliding member 61 .

As shown in FIG. 4 , the lower sliding member 51 includes an L-shaped lower sliding base, and two sides of the L-shaped lower sliding base are provided with a triangular reinforcing rib 48 , and the two right angles of the triangular reinforcing rib 48 are The edges are welded with the two right-angled edges of the L-shaped lower sliding base, and the sliding piece connecting holes 52 are arranged on the panel of the L-shaped lower sliding base facing the load-bearing corbel.

The second type: as shown in FIG. 12 , the lower sliding member 51 is provided with a sliding member connecting hole 52 , and the bottom end of the first prefabricated wall panel 11 is pre-embedded with a sliding connecting screw 53 , and the sliding connecting screw 53 The free end of the sliding piece passes through the connecting hole 52 of the sliding piece and is installed with two sliding fastening nuts 54 that press against the lower sliding piece 51 respectively; the load-bearing bolts are embedded with the steel beam 21 or the top of the beam. Piece 23 is welded.

There are many ways to install and connect the upper sliding member 61, and two examples are given below for description:

The first type: as shown in Figure 1, Figure 7, Figure 9 and Figure 12, the upper sliding member 61 is provided with an upper sliding member connecting long hole 62 that cooperates with the upper sliding connecting screw 65, as shown in Figure 8 As shown in the figure, the connecting long hole 62 of the upper sliding piece is a long hole extending horizontally. Of course, it can be designed to extend longitudinally according to the connection needs; the second prefabricated wall panel 12 is pre-embedded with an upper sliding connection inner wire sleeve 64. One end of the upper sliding connection screw 65 is threadedly connected with the upper sliding connection inner wire sleeve 64, and the other end of the upper sliding connection screw 65 extends outward through the upper sliding piece connecting long hole 62 and is installed with at least one Press the upper sliding fastening nut 66 on the upper sliding member, as shown in Figure 1, Figure 7 and Figure 9, the upper sliding connecting screw 65 is installed with one of the upper sliding fastening nut 66; Figure 12 As shown, the upper sliding connecting screw 65 is installed with two upper sliding tightening nuts 66, and the two upper sliding tightening nuts 66 are pressed against both sides of the upper sliding member 61; the upper sliding member An adapter assembly is fixedly installed between 61 and the bottom end of the support beam. The adapter assembly includes an adapter piece 63, and the side of the upper sliding member 61 facing the adapter piece 63 is provided with two adapter screw holes, and the adapter screw holes are also elongated holes, as shown in Figures 1 and 1. As shown in FIG. 7 , its extension direction is lateral extension and its extension direction is perpendicular to the second prefabricated wall panel 12 , the distance between the second prefabricated wall panel 12 and the supporting beam can be adjusted through the adapter screw holes, and is connected by an upper sliding piece The elongated hole 62 can adjust the translational installation position of the second prefabricated wall panel 12 , and the upper sliding piece connecting the elongated hole 62 and the adapter screw hole can be used in conjunction with the second prefabricated wall plate 12 , the lower sliding piece 61 , and the adapter piece 63 . The installation error between the upper sliding member 61 and the adapter 63 is installed with two transfer screws 67 respectively passing through the transfer screw holes. One end protrudes into the adapter 63 and is welded with the adapter 63 , and the other end of the adapter screw 67 passes through the adapter screw hole and is installed with two screw holes respectively located in the adapter screw holes. Adapter tightening nuts 68 on both sides. The adapter 63 is welded with the bottom end of the steel beam 21 or the beam bottom embedded part 24 .

As shown in FIG. 8 , the upper sliding member 61 includes an L-shaped upper sliding base, and two sides of the L-shaped upper sliding base are provided with a triangular reinforcing rib 48 , and the two right angles of the triangular reinforcing rib 48 are The edges are welded with the two right-angled sides of the L-shaped upper sliding base. The upper sliding piece connecting long hole 62 is arranged on the panel of the L-shaped upper sliding base facing the second prefabricated wall panel 12. Two adapter screw holes are provided on the panel of the upper sliding base facing the adapter 63 .

The adapter 63 includes an L-shaped adapter base, and a triangular reinforcement rib 48 is provided on both sides of the L-shaped adapter base. Weld the two right-angled sides of the adapter base.

The second type: As shown in FIG. 17 , the upper sliding connecting screw 65 is pre-embedded in the second prefabricated wall panel 12 , and the upper sliding member 61 is provided with an upper sliding connecting screw 65 which is matched with the upper sliding connecting screw 65 . The sliding piece is connected to the long hole 62, and the free end of the upper sliding connecting screw 65 passes through the upper sliding piece connecting long hole 62 and is installed with two upper sliding tightening nuts pressed against both sides of the upper sliding piece respectively. 66. The upper sliding member 61 is directly welded with the steel beam 21 or the embedded member 24 at the bottom of the beam.

This connection node adopts dry connection point support, which is a flexible support method that can adapt to the deformation capacity of the main structure. The point-supported external wall panel has wall panel components and the connection node has a clear force, which can fully adapt to the deformation of the main structure. Construction and installation With the advantages of simplicity and controllable precision and quality, the node design meets the goal of unyielding under rare earthquakes: elasticity for small earthquakes, elasticity for moderate earthquakes, and unyielding for large earthquakes.

Through this connection node, the skeleton of the first prefabricated wall panel 11, the skeleton of the second prefabricated wall panel 12 and the supporting beam of the main structure of the house can be connected as a whole, and the sliding member and the wall panel are connected by bolts, and are designed to adjust The long hole is easy to install. This connector can not only ensure the overall stability and strength of the connection between the beam-column wall and the wall panel, but also compared with the simple welding method, the bolt installation or anchor + local welding method can be better. Absorb the deformation energy of the wall panels and beam bolts, so that the node deformation of the wall panel is coordinated with the deformation of the main structure under various stress states. This node has reasonable structure, convenient installation, material saving and cost reduction, and is suitable for popularization and application.

The connection node changes the current conventional practice of ordinary external wall panels, makes the connection of external wall panels more reasonable, more convenient for construction and installation, saves materials, reduces costs, improves installation speed, and saves labor. The connector can not only ensure the overall stability and safety of the assembly connection between the main structure and the wall panel, but also ensure that the deformation of the node and the deformation of the main structure are coordinated under various stress states. This connector and connection installation method can be used in reinforced concrete frame structure, frame shear wall structure and shear wall structure, as well as the external wall panels of various steel structure systems.

The foregoing has shown and described the basic principles, main features, and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited by the above-mentioned embodiments, and the descriptions in the above-mentioned embodiments and the description are only to illustrate the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention will have Various changes and modifications fall within the scope of the claimed invention. The claimed scope of the present invention is defined by the appended claims and their equivalents.

Claims (10)

1. Prefabricated wallboard dry-type connected node of roof beam top and beam bottom double-connection for connect first prefabricated wallboard, the prefabricated wallboard of second and a supporting beam, its characterized in that: a beam top connecting assembly is arranged between the bottom end of the first prefabricated wall plate and the top end of the supporting beam, a beam bottom connecting assembly is arranged between the bottom end of the second prefabricated wall plate and the bottom end of the supporting beam, and an anti-falling pressing device is arranged between the bottom end of the first prefabricated wall plate and the top end of the second prefabricated wall plate;

the beam top connecting assembly comprises a bearing bracket fixedly connected with the bottom end of the first prefabricated wallboard, a bearing bolt is mounted on the bearing bracket and connected with the supporting beam, a lower sliding piece is fixedly mounted on the supporting beam and fixedly connected with the bearing bracket or the bottom end of the first prefabricated wallboard;

the beam bottom connecting assembly comprises an upper sliding connecting screw rod fixedly connected with the bottom end of the second prefabricated wall plate, the upper sliding connecting screw rod is connected with an upper sliding piece, and the upper sliding piece is fixedly connected with the bottom end of the supporting beam.

2. The beam top and beam bottom dual-jointed prefabricated wall panel dry-type joint of claim 1, wherein: the anticreep closing device is in including setting up the outer step of anticreep of first prefabricated wallboard bottom is in with the setting step in the anticreep on second prefabricated wallboard top, the outer step of anticreep with step presses in the anticreep is in the same place, the outer step of anticreep towards the last connection face of step in the anticreep begins from its base to supporting beam direction slope extends, the step in the anticreep towards the lower connection face of the outer step of anticreep with the cooperation of the slope of last connection face.

3. The beam top and beam bottom dual-jointed prefabricated wall panel dry-type joint of claim 1, wherein: profile steel is pre-embedded in the first prefabricated wall plate, one end of the bearing bracket extends into the first prefabricated wall plate and is welded with the profile steel, and two pairs of clamping grooves matched with the bearing bracket are formed in the side wall of the profile steel;

the bearing bracket comprises a bearing main plate, two sides of the bearing main plate are fixedly provided with a bearing side plate, the two bearing side plates are matched with a pair of clamping grooves on one side of the section steel close to the supporting beam, two ends of the bearing main plate are respectively and fixedly provided with a connecting end plate and a supporting end plate which are welded with the bearing side plates on the two sides, and the bearing main plate and the bearing side plates extend outwards from the outer end surface of the supporting end plate and form a U-shaped leg matched with the other pair of clamping grooves of the section steel; a reinforcing plate is fixedly arranged between the middle parts of the two bearing side plates, a bearing inner wire sleeve is fixedly arranged on the bearing main plate between the reinforcing plate and the connecting end plate, and four rib plates which are respectively and vertically connected with the reinforcing plate, the bearing side plates and the connecting end plate are circumferentially distributed on the outer wall of the bearing inner wire sleeve; the bearing bolt is connected with the bearing inner wire sleeve.

4. The beam top and beam bottom dual-jointed prefabricated wall panel dry-type joint of claim 1, wherein: the bottom of first prefabricated wallboard is pre-buried to have the metal sheet at the bottom of the side, the one end of bearing bracket with the metal sheet welding at the bottom of the side, fixed mounting has bearing bolt in the bearing bracket, bearing bolt's one end and a supporting beam's top are connected.

5. The beam top and beam bottom dual-jointed prefabricated wall panel dry-type joint of claim 1, wherein: the lower sliding piece is provided with a lower sliding piece connecting hole, the lower sliding piece is provided with a lower sliding connecting screw rod penetrating through the lower sliding piece connecting hole, one end of the lower sliding connecting screw rod extends to the bottom end of the bearing bracket and is welded with the bearing bracket, and the other end of the lower sliding connecting screw rod is provided with a lower sliding fastening nut pressing against the upper sliding piece; the bearing bolt is connected with the supporting beam in a pressing mode.

6. The beam top and beam bottom dual-jointed prefabricated wall panel dry-type joint of claim 1, wherein: the lower sliding piece is provided with a lower sliding piece connecting hole, a lower sliding connecting screw rod is embedded in the bottom end of the first prefabricated wallboard, and the free end of the lower sliding connecting screw rod penetrates through the lower sliding piece connecting hole and is provided with two lower sliding fastening nuts which are respectively pressed on the lower sliding piece; the bearing bolt is fixedly connected with the supporting beam.

7. The beam top and beam bottom dual-jointed prefabricated wall panel dry-type joint of claim 1, wherein: go up be provided with on the sliding part with go up sliding connection screw rod complex goes up sliding connection slot hole, pre-buried in the prefabricated wallboard of second has last sliding connection internal thread sleeve, go up sliding connection screw rod's one end with go up sliding connection internal thread sleeve threaded connection, the outside extension of the other end of going up sliding connection screw rod goes up sliding connection slot hole and installs at least one and press last sliding fastening nut on the sliding part, go up the sliding part with fixed mounting has the switching subassembly between supporting beam's the bottom.

8. The beam top and beam bottom dual-jointed prefabricated wall panel dry-type joint of claim 7, wherein: the switching subassembly includes the adaptor, go up the sliding part towards one side of adaptor is provided with two switching screws, go up the sliding part with install two between the adaptor and pass respectively the switching screw rod of switching screw, the one end of switching screw rod stretch into in the adaptor and with the adaptor welding, the other end of switching screw rod passes the switching screw and installs two switching fastening nut that are located respectively the switching screw both sides.

9. The beam top and beam bottom dual-jointed prefabricated wall panel dry-type joint of claim 1, wherein: go up the sliding part on be provided with go up sliding part connection slot hole of going up sliding part complex, the free end of going up sliding part connection slot hole is passed go up sliding part connection slot hole and install two and press respectively go up the last fastening nut of sliding part both sides, go up the sliding part directly with a supporting beam fixed connection.

10. A prefabricated wall panel dry-type connection node for roof and bottom double connection of a beam as claimed in any one of claims 1 to 9, wherein: the supporting beam is a steel beam or a reinforced concrete beam, a beam top embedded part is arranged at the beam top of the reinforced concrete beam, and a beam bottom embedded part is arranged at the beam bottom of the reinforced concrete beam.

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