Dry-type connecting joint of precast concrete externally-hung wall panel and precast concrete beam

Abstract

The utility model discloses a dry-type connecting node of a precast concrete external wall panel and a precast concrete beam, which belongs to the technical field of fabricated buildings and comprises the precast concrete external wall panel, the precast concrete beam, a precast concrete beam embedded part, a cantilever I-shaped steel beam, a beam top bearing connecting part and a wall top limiting connecting part. The prefabricated concrete beam embedded part is located in the prefabricated concrete beam, the cantilever I-shaped steel beam is arranged on the prefabricated concrete beam embedded part, and a beam top bearing connecting part and a wall top limiting connecting part are arranged on the cantilever I-shaped steel beam. The cantilever I-shaped steel beam is connected to the prefabricated concrete externally-hung wall plate through a beam top bearing connecting part and a wall top limiting connecting part. The prefabricated concrete external wall panel solves the problems that the prefabricated concrete external wall panel cannot coordinate and deform with a main body structure under the action of long-term load, the prefabricated concrete external wall panel is easy to crack and even damage, and the waterproof performance of an external wall cannot be guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of fabricated building, especially relates to a dry type connecting joint of prefabricated concrete external hanging wallboard and prefabricated concrete beam. BACKGROUND

[0002] In recent years, with the development and popularization of fabricated building, prefabricated concrete external hanging wallboard is widely applied in fabricated building due to its good anti-seismic, wind-resistant and impact-resistant performance. At present, the connecting joint of prefabricated concrete external wall and main structure usually adopts the wet type connecting mode that the external wall plate embedded anchor and cast-in-place concrete beam are poured together. The connecting joint has poor deformation capacity, and is prone to cracking when the external wall plate bears the earthquake action, wind load or long-term vertical load.

[0003] In view of the problem, a dry type connecting joint of prefabricated concrete external hanging wallboard and prefabricated concrete beam is provided. UTILITY MODEL CONTENTS

[0004] The utility model embodiment provides a dry type connecting joint of prefabricated concrete external hanging wallboard and prefabricated concrete beam to solve the problems in the prior art.

[0005] The utility model embodiment adopts the following technical scheme: a dry type connecting joint of prefabricated concrete external hanging wallboard and prefabricated concrete beam, including prefabricated concrete external hanging wallboard, prefabricated concrete beam, prefabricated concrete beam embedded part, cantilevered I-beam, beam top load bearing connecting part and wall top limiting connecting part,

[0006] The prefabricated concrete beam embedded part is located in the prefabricated concrete beam, the cantilevered I-beam is arranged on the prefabricated concrete beam embedded part, the beam top load bearing connecting part and the wall top limiting connecting part are respectively arranged on the cantilevered I-beam, and the cantilevered I-beam is connected to the prefabricated concrete external hanging wallboard through the beam top load bearing connecting part and the wall top limiting connecting part.

[0007] The prefabricated concrete external hanging wallboard usually adopts the wet type connecting mode, and the upper and lower ends of the wallboard are all fixedly connected to the main structure. The wallboard cannot be deformed coordinately with the main structure under long-term load, and is prone to cracking and even damage. The waterproof performance of the external wall cannot be guaranteed.

[0008] Further, the beam top load bearing connecting part comprises a connecting pin bolt, a leveling gasket, a limiting steel plate and a load bearing connecting piece, the limiting angle steel is connected between the limiting steel plate and the cantilevered I-beam, and the limiting steel plate is welded with the limiting angle steel, the load bearing connecting piece is located on the limiting steel plate and welded with the limiting steel plate, the connecting pin bolt is connected through the limiting steel plate and the load bearing connecting piece, and the leveling gasket is located between the connecting pin bolt and the limiting steel plate.

[0009] Further, the load-bearing connector comprises a load-bearing angle steel, a stiffening rib, a wall bottom embedded part and a wall bottom reinforcing rib, the load-bearing angle steel is connected to the limiting steel plate through a connecting pin bolt, the stiffening rib is located on the load-bearing angle steel, the wall bottom embedded part is connected to the side wall of the load-bearing angle steel, and the wall bottom reinforcing rib is vertically installed on the wall bottom embedded part.

[0010] Further, the wall top limiting connection part comprises a limiting angle steel, a connecting angle steel, a connecting bolt and a wall top embedded part, the wall top embedded part is located in the prefabricated concrete wall, the connecting angle steel is connected to the wall top embedded part through a bolt, and the connecting angle steel is connected to the cantilever I-beam through a connecting bolt.

[0011] The above at least one technical scheme adopted by the embodiment of the utility model can achieve the following beneficial effects:

[0012] Firstly, the prefabricated concrete external wall panel of the utility model usually adopts wet connection, and the upper and lower ends of the wall panel and the main body structure are all fixedly connected, the wall panel cannot deform coordinately with the main body structure under long-term load, the prefabricated concrete external wall panel is prone to cracks, and even damage, and the waterproof performance of the external wall cannot be guaranteed. The patent adopts a dry connection joint, so that the prefabricated concrete external wall panel and the main body structure can deform coordinately, the generation of cracks is greatly reduced, and the waterproof effect of the external wall is guaranteed. The dry connection joint has high construction efficiency, and the wall panel can be installed only by bolts after being positioned, which not only greatly improves the installation speed of the wall panel, but also meets the "double carbon policy" of the country. BRIEF DESCRIPTION OF DRAWINGS

[0013] The drawings described herein are used to provide further understanding of the utility model, constitute a part of the utility model, and the illustrative embodiments of the utility model and the description thereof are used to explain the utility model, and do not constitute improper limitation on the utility model. In the drawings:

[0014] Figure 1 It is a schematic view of the utility model;

[0015] Figure 2 It is a partial schematic view of the utility model Figure 1 ;

[0016] Figure 3 It is a partial schematic view of the utility model Figure 2 ;

[0017] Figure 4 It is a schematic view of the beam top load-bearing connection part in the utility model;

[0018] Figure 5 It is a top view of the beam top load-bearing connection part in the utility model;

[0019] Figure 6 Figure 2 is a schematic view of a leveling gasket in the utility model;

[0020] Figure 7 Figure 3 is a schematic view of a load-bearing connecting piece in the utility model;

[0021] Figure 8 Figure 4 is a schematic view of a wall top limiting connecting part in the utility model;

[0022] Figure 9 Figure 5 is a schematic view of a connecting angle steel in the utility model;

[0023] Figure 10 Figure 6 is a sectional view along line A-A in the utility model; Figure 9

[0024] Figure 7 is a sectional view along line B-B in the utility model; Figure 11 Figure 9 Figure 8 is a schematic view of the utility model;

[0025] Figure 9 is a schematic view of the utility model;

[0026] The utility model discloses a prefabricated concrete external hanging wallboard 1, prefabricated concrete beam 2, prefabricated concrete beam embedded part 3, cantilever I-beam 4, beam top load-bearing connecting part 5, wall top limiting connecting part 6, leveling gasket 7, limiting steel sheet 8, limiting angle steel 9, load-bearing connecting piece 10, connecting angle steel 11, connecting bolt 12, wall top embedded part 13, load-bearing angle steel 14, stiffening rib 15, wall bottom embedded part 16, wall bottom reinforcing bar 17, connecting pin bolt 18. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical scheme and advantages of the utility model clearer, the following will combine the specific embodiment and corresponding drawings of the utility model to clearly and completely describe the technical scheme of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the ordinary skill in the art without making creative labor belong to the protection scope of the utility model.

[0028] The following will combine the drawings to specifically describe the technical scheme provided by each embodiment of the utility model.

[0029] Referring to Figure 1, Figures 1 to 11 The utility model embodiment provides a kind of dry-type connecting node of prefabricated concrete external hanging wallboard and prefabricated concrete beam, including prefabricated concrete external hanging wallboard 1, prefabricated concrete beam 2, prefabricated concrete beam embedded part 3, cantilever I-beam 4, beam top load-bearing connecting part 5 and wall top limiting connecting part 6,

[0030] ​The precast concrete beam embedded part 3 is located in the precast concrete beam 2, and a cantilevered I-beam 4 is arranged on the precast concrete beam embedded part 3, the cantilevered I-beam 4 is respectively provided with a beam top load bearing connecting part 5 and a wall top limiting connecting part 6, and the cantilevered I-beam 4 is connected to the precast concrete external wall panel 1 through the beam top load bearing connecting part 5 and the wall top limiting connecting part 6.

[0031] The connecting joint is a dry connecting joint of the precast concrete external wall panel 1 and the main structure, and has the advantages of reliable connection, convenient installation, green environmental protection and the like.

[0032] Preferably, the beam top load bearing connecting part 5 comprises a connecting pin bolt 18, a leveling gasket 7, a limiting steel plate 8 and a load bearing connecting piece 10, the limiting angle steel 9 is connected between the limiting steel plate 8 and the cantilevered I-beam 4, the limiting steel plate 8 is welded with the limiting angle steel 9, the load bearing connecting piece 10 is located on the limiting steel plate 8 and welded with the limiting steel plate 8, the connecting pin bolt 18 is connected through the limiting steel plate 8 and the load bearing connecting piece 10, and the leveling gasket 7 is located between the connecting pin bolt 18 and the limiting steel plate 8.

[0033] The adjusting gasket can adjust the height of the precast concrete external wall panel 1, and the limiting steel plate 8 is welded with the limiting angle steel 9 to ensure reliable connection of the precast external wall bottom and the pin bolt.

[0034] Preferably, the load bearing connecting piece 10 comprises the limiting angle steel 9, a load bearing angle steel 14, a stiffening rib 15, a wall bottom embedded part 16 and a wall bottom reinforcing rib 17, the load bearing angle steel 14 is connected on the limiting steel plate 8 through the connecting pin bolt 18, the stiffening rib 15 is located on the load bearing angle steel 14, the wall bottom embedded part 16 is connected on the side wall of the load bearing angle steel 14, the wall bottom reinforcing rib 17 is vertically installed on the wall bottom embedded part 16, and the wall bottom embedded part 16 and the wall bottom reinforcing rib 17 are located in the precast concrete external wall panel 1.

[0035] Preferably, the wall top limiting connecting part 6 comprises a connecting angle steel 11, a connecting bolt 12 and a wall top embedded part 13, the wall top embedded part 13 is located in the precast concrete wall, the connecting angle steel 11 is connected with the wall top embedded part 13 through the bolt, and the connecting angle steel 11 is connected on the cantilevered I-beam 4 through the connecting bolt 12.

[0036] During installation, the opening of the load bearing angle steel 14 at the bottom of the precast concrete external wall panel 1 is inserted into the connecting pin bolt 18, a large hole is opened on the load bearing angle steel 14, which can effectively reduce the error of the precast concrete external wall panel 1, the leveling gasket 7 can adjust the height of the precast concrete external wall panel 1, and the limiting steel plate 8 is welded with the limiting angle steel 9 to ensure reliable connection of the precast concrete external wall panel 1 bottom and the connecting pin bolt 18.

[0037] After the position of the prefabricated concrete external wall panel 1 is determined, the connecting angle steel 11 of the top limiting connecting part 6 is connected with the wall top embedded part 13 on the prefabricated concrete external wall panel 1, then the cantilever I-beam 4 and the connecting angle steel 11 are fastened through two connecting bolts 12, and the installation is completed.

[0038] The above merely describes the embodiments of the present application and is not intended to limit the present application. The present application can be variously changed and altered by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the scope of the claims of the present application.

Claims

1. A dry connection joint of a precast concrete external wall panel and a precast concrete beam, characterized in that, The application relates to a prefabricated concrete external wall panel (1), a prefabricated concrete beam (2), a prefabricated concrete beam embedded part (3), a cantilevered I-beam (4), a beam top load-bearing connecting part (5) and a wall top limiting connecting part (6). The prefabricated concrete beam embedded part (3) is arranged in the prefabricated concrete beam (2), and the cantilevered I-beam (4) is arranged on the prefabricated concrete beam embedded part (3). The cantilevered I-beam (4) is respectively provided with the beam top load-bearing connecting part (5) and the wall top limiting connecting part (6), and the cantilevered I-beam (4) is connected to the prefabricated concrete external wall panel (1) through the beam top load-bearing connecting part (5) and the wall top limiting connecting part (6).

2. The dry connection joint of the precast concrete external wall panel and the precast concrete beam according to claim 1, characterized in that: The beam top load-bearing connecting part (5) comprises a connecting pin bolt (18), a leveling gasket (7), a limiting steel plate (8) and a load-bearing connecting piece (10). The load-bearing connecting piece (10) is located on the limiting steel plate (8) and connected with the limiting steel plate (8) 焊接 The connecting pin (18) passes through the limiting steel plate (8) and the load-bearing connecting piece (10) and is connected. The leveling gasket (7) is arranged between the connecting pin bolt (18) and the limiting steel plate (8).

3. A dry connection joint of a precast concrete external wall panel and a precast concrete beam according to claim 2, characterized in that: The load-bearing connecting piece (10) comprises a limiting angle steel (9), a load-bearing angle steel (14), a stiffening rib (15), a wall bottom embedded part (16) and a wall bottom reinforcing rib (17). The limiting angle steel (9) is connected between the limiting steel plate (8) and the cantilevered I-beam (4), and the limiting steel plate (8) is welded with the limiting angle steel (9). The load-bearing angle steel (14) is connected to the limiting steel plate (8) through the connecting pin bolt (18), the stiffening rib (15) is arranged on the load-bearing angle steel (14), and the wall bottom embedded part (16) is connected to the side wall of the load-bearing angle steel (14). The wall bottom reinforcing rib (17) is vertically arranged on the wall bottom embedded part (16), and the wall bottom embedded part (16) and the wall bottom reinforcing rib (17) are arranged in the prefabricated concrete external wall panel (1).

4. The dry connection joint of the precast concrete external wall panel and the precast concrete beam according to claim 1, characterized in that: The wall top limiting connecting part (6) comprises a connecting angle steel (11), a connecting bolt (12) and a wall top embedded part (13). The wall top embedded part (13) is arranged in the prefabricated concrete wall, the connecting angle steel (11) is connected with the wall top embedded part (13) through the bolt, and the connecting angle steel (11) is connected to the cantilevered I-beam (4) through the connecting bolt (12).

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