Connecting device for prefabricated components

Abstract

The application provides a connecting device of an assembled prefabricated component; the connecting device comprises a first connecting assembly and a second connecting assembly; the first connecting assembly comprises a first connecting seat and a first connecting steel bar, the first connecting seat is fixedly connected with the first connecting steel bar, and a plurality of fixed screw holes are formed in the inner and outer side walls of the first connecting seat; the second connecting assembly comprises a second connecting seat, a second connecting steel bar and a plurality of connecting bolts, the second connecting seat is fixedly connected with the second connecting steel bar, the second connecting seat is provided with a matching assembly groove with the first connecting seat of the first connecting assembly, and a plurality of through holes are formed in the inner and outer side walls of the second connecting seat and communicated with the assembly groove; the first connecting seat of the first connecting assembly extends into the assembly groove of the second connecting seat, and the connecting bolts are penetrated through the corresponding through holes of the second connecting seat and matched with the corresponding fixed screw holes of the first connecting seat. The connecting device has the beneficial technical effects that the structure is reasonable, the connecting device has the advantage of rapid installation, and the stable requirement of the prefabricated shear wall can be met.

Description

TECHNICAL FIELD

[0001] The application relates to a connecting device of a fabricated prefabricated component. BACKGROUND

[0002] With the vigorous promotion of fabricated buildings, the application proportion in the whole real estate industry is increased year by year. There are three kinds of commonly used concrete prefabricated components in the fabricated buildings, namely, fabricated prefabricated floor, fabricated prefabricated stair and fabricated prefabricated shear wall. From the current construction speed and difficulty, the prefabricated shear wall has the largest installation difficulty and the slowest installation speed, which prolongs the whole construction period. At present, a new connecting device for quickly installing prefabricated components is urgently needed. SUMMARY

[0003] The application aims to provide a connecting device of a fabricated prefabricated component which is reasonable in structure and convenient to use.

[0004] To solve the above technical problems, the application provides a connecting device of a fabricated prefabricated component.

[0005] The connecting device comprises a first connecting assembly and a second connecting assembly, the first connecting assembly comprises a first connecting seat and a first connecting steel bar, the first connecting seat is fixedly connected with the first connecting steel bar, and a plurality of fixed screw holes are formed in the inner and outer side walls of the first connecting seat.

[0006] The second connecting assembly comprises a second connecting seat, a second connecting steel bar and a plurality of connecting bolts, the second connecting seat is fixedly connected with the second connecting steel bar, the second connecting seat is provided with a matching assembly groove matched with the first connecting seat of the first connecting assembly, a plurality of through holes communicated with the assembly groove are formed in the inner and outer side walls of the second connecting seat, and the plurality of connecting bolts and the plurality of through holes of the second connecting seat are in one-to-one correspondence with the plurality of fixed screw holes of the first connecting seat.

[0007] The first connecting seat of the first connecting assembly extends into the assembly groove of the second connecting seat, and the connecting bolts pass through the corresponding through holes of the second connecting seat and are matched with the corresponding fixed screw holes of the first connecting seat.

[0008] As the preferred embodiment of the connecting device of the fabricated prefabricated component, the first prefabricated component and the second prefabricated component are connected through a plurality of the connecting devices of the fabricated prefabricated component, and the first connecting assembly and the second connecting assembly are respectively embedded in the first prefabricated component and the second prefabricated component.

[0009] A plurality of connecting notches are formed in the end surface of the first prefabricated component in contact with the second prefabricated component, the first connecting assembly is embedded in the first prefabricated component at the position corresponding to the connecting notches, the first connecting seat is fixedly connected with the binding steel bar of the first prefabricated component through the first connecting steel bar, part of the first connecting seat extends into the corresponding connecting notch, and the plurality of fixed screw holes of the first connecting seat are located in the connecting notch.

[0010] The second connecting assembly is pre-buried in the first connecting assembly position of the second prefabricated component, the second connecting seat is fixedly connected with the binding steel bars in the second prefabricated component through the second connecting steel bars, part of the second connecting seat extends out of the second prefabricated component, the second connecting seat extending out of the second prefabricated component is provided with assembly grooves matched with the first connecting seat of the first connecting assembly, and the inner and outer side walls of the second connecting seat extending out of the second prefabricated component are provided with a plurality of through holes communicated with the assembly grooves;

[0011] After the end face of the first prefabricated component is in contact with the corresponding end face of the second prefabricated component, the second connecting seat extending out of the second prefabricated component extends into the corresponding connecting groove of the first prefabricated component.

[0012] As a preferred embodiment of the connecting device of the prefabricated component, the first connecting assembly comprises a plurality of first connecting steel bars, the first connecting steel bars have U-shaped bends, the bends of the first connecting steel bars are fixedly connected with the first connecting seat, and the two end portions of the first connecting steel bars are fixedly connected with the binding steel bars in the first prefabricated component.

[0013] The second connecting assembly comprises a plurality of second connecting steel bars, the second connecting steel bars have U-shaped bends, the bends of the second connecting steel bars are fixedly connected with the second connecting seat, and the two end portions of the second connecting steel bars are fixedly connected with the binding steel bars in the second prefabricated component.

[0014] As a preferred embodiment of the connecting device of the prefabricated component, the first connecting seat in the first prefabricated component is provided with a plurality of hanging grooves, the plurality of hanging grooves correspond to the plurality of first connecting steel bars one by one, and the first connecting steel bars extend into the corresponding hanging grooves for fixed connection.

[0015] The second connecting seat in the second prefabricated component is also provided with a hanging groove, and the second connecting steel bars extend into the corresponding hanging groove for fixed connection.

[0016] As a preferred embodiment of the connecting device of the prefabricated component, the second connecting seat in the second prefabricated component is also provided with a hanging groove or a hanging hole, and the second connecting steel bars extend into the corresponding hanging groove or hanging hole for fixed connection.

[0017] After the above structure is adopted, the first connecting assembly and the second connecting assembly are connected and matched to realize the fixation of the two, the first connecting assembly and the second connecting assembly are matched through the connecting bolts on the inner and outer side faces, and the effect of double-side fixation and shear resistance is achieved.

[0018] The connecting device of the prefabricated component has the beneficial technical effects of reasonable structure, the advantage of rapid installation, and the satisfaction of the stable requirements of the prefabricated shear wall. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1is one of the perspective views of the first connecting assembly and the second connecting assembly in the connecting device embodiment of the prefabricated component.

[0020] Figure 2 is the second perspective view of the first connecting assembly and the second connecting assembly in the connecting device embodiment of the prefabricated component.

[0021] Figure 3 is the perspective view of the use state of the connecting device embodiment of the prefabricated component.

[0022] Figure 4 is the perspective view of the prefabricated shear wall in the connecting device embodiment of the prefabricated component.

[0023] Figure 5 is the matching schematic view of the prefabricated beam, the first connecting assembly and the second connecting assembly in the connecting device embodiment of the prefabricated component.

[0024] Figure 6 is Figure 5 partial sectional view. DETAILED DESCRIPTION

[0025] In order to make the above objectives, features and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. However, it will be apparent to one skilled in the art that the present application can be practiced without some or all of these specific details. In other instances, well known process operations have not been described in detail in order to not unnecessarily obscure the present application.

[0026] The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not indicate the only implementation.

[0027] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs. The terminology used in the description herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0028] Please refer to Figures 1 to 6 (in order to more clearly show the technical structure of the present application, Figure 1 , 2 , only one connecting bolt is shown in FIG. 6, and three connecting bolts are omitted.

[0029] The connecting device of this prefabricated component connects the first prefabricated component and the second prefabricated component through several connecting devices of this prefabricated component. In this embodiment, the first prefabricated component is a prefabricated shear wall 3, which is a reinforced concrete structure. In this embodiment, the second prefabricated component is a prefabricated beam 4. The prefabricated shear wall 3 is connected and fixed to the prefabricated beam 4. The lower end face of the prefabricated shear wall 3 is the end face to be fixed, and the end face to be fixed of the prefabricated shear wall 3 is in contact with the upper end face of the prefabricated beam 4.

[0030] The fixed end face of the precast shear wall 3 has two connecting slots 31 that penetrate its inner and outer sides. The precast shear wall 3 has two sets of first connecting components embedded at the positions corresponding to the two connecting slots 31. Each set of first connecting components includes a first connecting seat 11 and two first connecting steel bars 12. The first connecting seat 11 is a channel steel structure. Four nuts are welded to the inner wall of the first connecting seat 11. The nuts serve as the fixing threaded holes 11a of the first connecting seat 11. Part of the first connecting seat 11 extends into the corresponding connecting slot 31 and the four fixing threaded holes 11a of the first connecting seat 11 are located in the connecting slot 31.

[0031] The first connecting seat 11 is fixedly connected to the binding steel bars in the precast shear wall 3 by two first connecting steel bars 12. The first connecting steel bars 12 have U-shaped bends. The first connecting seat 11 in the precast shear wall 3 has several hanging grooves 11b. The several hanging grooves 11b correspond one-to-one with several first connecting steel bars 12. The first connecting steel bars 12 extend into the corresponding hanging grooves 11b and are welded and fixed. The two ends of the first connecting steel bars 12 are welded to the binding steel bars in the precast shear wall 3.

[0032] The precast beam 4 has multiple second connection components embedded at the first connection component position corresponding to the multiple precast shear walls 3. The second connection component includes a second connection seat 21, two second connection steel bars 22 and four connection bolts 23.

[0033] The second connecting seat 21, located within the foundation surface, has a set of hanging grooves 21a and a set of hanging holes 21b on both sides. The second connecting seat 21 is welded and fixed to the binding steel bars in the precast beam 4 via the second connecting steel bar 22. The second connecting steel bar 22 has a U-shaped bend, and the bend of the second connecting steel bar 22 mates with the hanging grooves 21a and hanging holes 21b of the second connecting seat 21, respectively. The second connecting steel bar 22 is welded and fixed to the second connecting seat 21, and the two ends of the second connecting steel bar 22 are welded and fixed to the binding steel bars in the precast beam 4.

[0034] The second connecting seat 21 extends out of the precast beam 4. The second connecting seat 21 of the precast beam 4 is provided with a fitting assembly groove 21c matched with the first connecting seat 11 of the first connecting assembly. The inner and outer sidewalls of the second connecting seat 21 of the precast beam 4 are provided with four through holes 21d communicated with the fitting assembly groove 21c. The four connecting bolts 23, the four through holes 21d of the second connecting seat 21 and the four fixed threaded holes 11a of the first connecting seat 11 are in one-to-one corresponding relationship.

[0035] During assembly, the end surface to be fixed of the precast shear wall 3 is in contact with the corresponding end surface of the precast beam 4. Then the second connecting seat 21 of the precast beam 4 extends into the corresponding connecting slot 31 of the precast shear wall 3. The first connecting seat 11 of the first connecting assembly extends into the fitting assembly groove 21c of the second connecting seat 21. The connecting bolts 23 pass through the corresponding through holes 21d of the second connecting seat 21 and are matched with the corresponding fixed threaded holes 11a of the first connecting seat 11.

[0036] The above is only one embodiment of the present application. It should be noted that those skilled in the art can make several modifications and improvements without departing from the principles of the present application. These should also be considered as falling within the scope of the present application.

Claims

1. A connection device for prefabricated components, characterized in that: It includes a first connecting component and a second connecting component. The first connecting component includes a first connecting seat and a first connecting steel bar. The first connecting seat is fixedly connected to the first connecting steel bar. Several fixed threaded holes are respectively opened on the inner and outer walls of the first connecting seat. The second connecting assembly includes a second connecting seat, a second connecting steel bar, and several connecting bolts. The second connecting seat is fixedly connected to the second connecting steel bar. The second connecting seat has an assembly groove that mates with the first connecting seat of the first connecting assembly. The inner and outer walls of the second connecting seat have several through holes that communicate with the assembly groove. The several connecting bolts, the several through holes of the second connecting seat, and the several fixed threaded holes of the first connecting seat are in a one-to-one correspondence. The first connecting seat of the first connecting assembly extends into the assembly groove of the second connecting seat, and the connecting bolt passes through the corresponding through hole of the second connecting seat and engages with the corresponding fixing threaded hole of the first connecting seat. The first prefabricated component and the second prefabricated component are connected by a connection device for several prefabricated components, and the first connection component and the second connection component are respectively embedded in the first prefabricated component and the second prefabricated component; Several connection slots are opened on the end face of the first precast component that contacts the second precast component. A first connection component is pre-embedded in the first precast component at the corresponding connection slot position. The first connection seat is fixedly connected to the binding steel bar of the first precast component through the first connection steel bar. Part of the first connection seat extends into the corresponding connection slot and several fixing threaded holes of the first connection seat are in the connection slot. The second precast component has a second connecting component embedded at the position of the first connecting component of the first precast component. The second connecting seat is fixedly connected to the binding steel bar in the second precast component through the second connecting steel bar. Part of the second connecting seat extends out of the second precast component. The second connecting seat extending out of the second precast component has an assembly groove that matches the first connecting seat of the first connecting component. The inner and outer walls of the second connecting seat extending out of the second precast component have several through holes that communicate with the assembly groove. After the end face of the first prefabricated component contacts the corresponding end face of the second prefabricated component, the second connecting seat extending out of the second prefabricated component extends into the corresponding connecting slot of the first prefabricated component. The first connecting component includes a plurality of first connecting steel bars, each first connecting steel bar having a U-shaped bend, the bend of the first connecting steel bar being fixedly connected to a first connecting seat, and both ends of the first connecting steel bar being fixedly connected to binding steel bars in the first precast component. The second connecting component includes a plurality of second connecting steel bars, each having a U-shaped bend. The bends of the second connecting steel bars are fixedly connected to the second connecting seat, and the two ends of the second connecting steel bars are fixedly connected to the binding steel bars in the second precast component. The first connecting seat inside the first precast component has several hanging slots, and the several hanging slots correspond one-to-one with several first connecting steel bars. The first connecting steel bars extend into the corresponding hanging slots to be fixed in place. The second connecting seat located within the second precast component also has a hanging groove, and the second connecting steel bar extends into the corresponding hanging groove for fixing. The second connecting seat located within the second precast component also has a hanging groove or hanging hole, and the second connecting steel bar extends into the corresponding hanging groove or hanging hole for fixing.

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