CN212001803U - Supporting component of prefabricated external wall panel and connection structure of prefabricated external wall panel - Google Patents

Abstract

The utility model discloses a supporting component of prefabricated exterior wall panel for link together prefabricated exterior wall panel and roof beam, including pre-buried fastener and bearing bracket, pre-buried fastener is equipped with notched flat board or box body structure for the bottom side, and the bearing bracket is including connecting for holistic pre-buried portion and connecting portion, and pre-buried portion and connecting portion are the platelike body, and connecting portion set up the first end in pre-buried portion, and the recess card of pre-buried fastener is on the top of connecting portion. The utility model also provides a connecting structure of the prefabricated external wall panel, which comprises the prefabricated external wall panel and a beam, wherein the beam is a superposed beam or a full prefabricated beam, the bottom side of the prefabricated external wall panel is connected with the beam through the supporting component of the prefabricated external wall panel, the embedded fastener is anchored in the concrete at the bottom of the prefabricated external wall panel, the bottom surface of the indoor side of the prefabricated external wall panel is provided with a gap with the same height as the groove, and the groove is exposed from the gap; the pre-buried portion second end anchor of bearing bracket is in the concrete of roof beam top, and connecting portion expose from the top surface tip of roof beam, and the recess card is on the top of connecting portion.

Description

Supporting components of prefabricated exterior wall panels and connection structure of prefabricated exterior wall panels

technical field

The utility model belongs to the technical field of prefabricated buildings, in particular, the utility model relates to a support component of a prefabricated outer wall panel and a connection structure of a prefabricated outer wall panel including the component.

Background technique

In prefabricated buildings, prefabricated exterior wall panels are transported to the construction site for assembly after the project is completed. The existing architectural design codes require that the connection structure with the main structure should have sufficient bearing capacity, rigidity and displacement capacity to adapt to the main structure; in the unfavorable combination of gravity load, wind load, earthquake action, temperature action and the deformation of the main structure Under the influence, it should be safe; the connection with the main structure should adopt a flexible connection structure, and the connection nodes should take reliable anti-corrosion and fire protection measures to ensure the safety within the designed service life. According to the connection form between the prefabricated exterior wall panel and the main structure, it can be divided into two types: suspension type and side connection type: 1) Suspended connection means that one end of the top or bottom end of the wall panel is reliably connected to the beam, and both sides of the wall panel are connected to the vertical member. If it is not connected, the other end of the wall panel should be connected with a limit. 2) Side-connected connection refers to the reliable connection between the top of the wall panel and the beam, the reinforcing bars on both sides of the wall panel are anchored into the vertical members, and the bottom of the wall panel can be connected by a limit connection structure.

In the prior art, the reliable connection between the prefabricated exterior wall panels and the beams is mostly achieved by supporting components or post-casting belts. The structure of the post-casting belts includes: the top of the prefabricated exterior wall panels protrudes from the steel bars, and the extended steel bars are anchored in the existing position of the superimposed beams. In the pouring part, the connection between the prefabricated external wall panel and the composite beam is realized by pouring concrete; this structure has the disadvantages of complicated mold during production, easy bending of the protruding steel bars during transportation, complicated on-site construction operations, and large amount of concrete pouring. and other technical issues. However, most of the support components in the prior art have technical problems such as complex structure, small adjustable space, and protruding indoors, which affects the appearance and requires post-decoration. Therefore, it is now necessary to develop a support assembly that is easy to adjust, simple to install on site, does not protrude indoors, and has strong fire resistance and rust resistance for the reliable connection between prefabricated exterior wall panels and beams, and a prefabricated exterior wall using the support assembly. The connection structure of slab and beam.

Utility model content

The technical problem to be solved by the present utility model is to provide a support assembly for connecting prefabricated outer wall panels, so as to solve the problems of inconvenient adjustment of the support assembly and complicated construction operation in the prior art; The connection structure of the external wall panel solves the problems existing in the prior art that the supporting components protrude indoors and affect the appearance, and the supporting components are troublesome to handle fire and rust.

In order to achieve the above-mentioned purpose, the technical scheme that the utility model takes is:

A support assembly for prefabricated exterior wall panels, used to connect the prefabricated exterior wall panels and beams together, including pre-embedded clips and load-bearing corbels, the pre-embedded clips are flat or box structures with grooves on the bottom side , the load-bearing corbel includes a pre-embedded part and a connection part that are connected as a whole, the pre-embedded part and the connection part are both plate-shaped bodies, the connection part is arranged at the first end of the pre-embedded part, the The groove of the pre-embedded clip is clipped on the top of the connecting portion.

Preferably, the connecting portion is a box body structure with an open top side, and the top end of one side plate of the box body structure is clamped in the groove.

Preferably, the pre-embedded part includes two parallel plate-shaped bodies, the first end of the plate-shaped body is higher than the second end, and the connecting part is fixed on the top surfaces of the first ends of the two plate-shaped bodies .

Preferably, reinforcing gaskets are fixed on the bottom surfaces of the second ends of the two plate-shaped bodies.

Preferably, the pre-embedded portion is provided with a reinforcing rib, and the reinforcing rib passes through the second ends of the two plate-shaped bodies.

Preferably, anchoring steel bars are also provided on the pre-embedded clips.

The utility model also discloses a connection structure of a prefabricated outer wall panel, comprising a prefabricated outer wall panel and a beam, the beam is a composite beam or a fully prefabricated beam, and the bottom side of the prefabricated outer wall panel passes through the prefabricated outer wall panel. The supporting assembly is connected with the beam, the pre-embedded clip is anchored in the concrete at the bottom of the prefabricated outer wall panel, and the inner bottom surface of the prefabricated outer wall panel is provided with a gap of the same height as the groove. The groove is exposed from the gap; the second end of the embedded part of the load-bearing corbel is anchored in the concrete at the top of the beam, the connecting part is exposed from the end of the top surface of the beam, and the groove clamps at the top of the connector.

Preferably, the composite beam includes a cast-in-place part and a prefabricated part, and the second end of the pre-embedded part is anchored in the concrete of the cast-in-place part.

Preferably, the prefabricated outer wall panel is a sandwich outer wall panel, comprising concrete layers on both sides and a middle insulation layer, and the two sides of the bottom of the sandwich outer wall panel are connected to form a pre-embedded part, and the pre-embedded card The parts are anchored in the embedded part.

Preferably, the anchoring steel bars on the pre-embedded clips extend into the concrete layers on both sides.

The beneficial technical effects obtained by the technical solution of the present utility model are:

1. The pre-embedded clips in this scheme are anchored in the concrete at the bottom of the prefabricated external wall panel, the second end of the pre-embedded part of the load-bearing corbel is anchored in the concrete at the top of the beam, and the grooves at the bottom of the pre-embedded clips are stuck in the connection. In this way, the prefabricated outer wall panel is pressed on the end of the beam, so that the load of the prefabricated outer wall panel is transferred to the beam, and the force transmission between the prefabricated outer wall panel and the beam can be realized through the support assembly, and the on-site operation is simple. , strong practicability.

2. In the connection structure of the prefabricated external wall panel and the beam in this scheme, the top of the external wall panel is reliably connected with the beam through the support component, and the bottom of the external wall panel is connected with the main body of the structure to form a suspended flexible connection structure , has sufficient bearing capacity, rigidity and adaptability to the displacement of the main structure; and the supporting components are all anchored in concrete, which can meet the requirements of anti-corrosion, rust-proof and fire-proof.

Description of drawings

The accompanying drawings that constitute a part of the present invention are used to provide further understanding of the present invention, and the schematic embodiments and descriptions of the present invention are used to explain the present invention and do not constitute an improper limitation of the present invention.

1 is a schematic three-dimensional structure diagram of a support assembly in Embodiment 1;

Fig. 2 is the assembly schematic diagram of the support assembly in embodiment 1;

3 is a vertical cross-sectional view of the connection structure of the prefabricated outer wall panel and the prefabricated column in Example 2;

Reference numerals: 01-support assembly, 1-embedded clip, 2-groove, 3-embedded part, 4-connection part, 5-plate body, 6-reinforcing rib, 7-reinforcing gasket, 8 -Anchor steel bars, 02-Prefabricated exterior wall panels, 03-Prefabricated floor slabs, 04-Laminated beams, 41-Prefabricated part, 42-Cast-in-place part.

Detailed ways

The present invention will be described in detail below with reference to the accompanying drawings. The description in this part is only exemplary and explanatory, and should not have any limiting effect on the protection scope of the present invention. In addition, according to the description in this document, those skilled in the art can make corresponding combinations of features in the embodiments in this document and in different embodiments.

Example 1

Referring to Figure 1, the support assembly in this embodiment is used to connect the prefabricated outer wall panels and beams together, including a pre-embedded clip 1 and a load-bearing corbel, and the pre-embedded clip 1 is provided with a recess on the bottom side. The plate or box structure of the groove 2, the load-bearing corbel includes a pre-embedded part 3 and a connecting part 4 connected as a whole, the connecting part 4 is arranged at the first end of the pre-embedded part 3, and the groove 2 of the pre-embedded card 1 is clamped. at the top of the connecting part 4 . Anchor the embedded clip 1 in the bottom concrete of the prefabricated external wall panel, anchor the load-bearing corbel in the concrete at the top of the beam, and then clamp the embedded clip 1 on the top of the connecting part 4, that is, press the bottom end of the prefabricated external wall panel. On the beam, the load of the prefabricated external wall panel is transferred to the beam; the on-site construction operation is simple and the practicability is strong.

Referring to FIG. 2 , in this embodiment, the embedded portion 3 includes two plate-shaped bodies 5 parallel to each other, and reinforcing gaskets 7 are fixed on the bottom surfaces of the second ends of the two plate-shaped bodies 5 . The first end of the plate-shaped body 5 is higher than the second end, and the connecting portion 4 is fixed on the top surfaces of the first ends of the two plate-shaped bodies 5 . The connecting portion 4 is a box body structure with an open top side, and the top end of one side plate of the box body structure is stuck in the groove 2 . In this way, the integrity of the embedded part 3 is stronger, and at the same time, the anchoring ability and the pull-out resistance of the embedded part 3 and the concrete at the beam end are enhanced; Strong, strong resistance to pressure, can play a stronger supporting role.

Continuing to refer to FIG. 2 , the pre-embedded clip 1 in this embodiment is a box structure with an open top side, and both the top side and the vertical side are provided with anchoring steel bars 8 , and some of the anchoring steel bars 8 pass through the embedded Both side surfaces of the clip 1. In this way, when the embedded clip 1 is anchored in the concrete of the prefabricated outer wall panel, the concrete can be injected into the box structure, and the anchoring steel bar 8 enhances the anchoring force and the pull-out resistance between the box structure and the concrete. In other embodiments, when the prefabricated exterior wall panel is a sandwich exterior wall panel, a U-shaped anchoring steel bar 8 can be fixed on the side surface of the embedded clip 1, and the two legs of the anchoring steel bar 8 extend upward and are respectively placed on the side surface of the embedded clip 1. In the concrete on both sides, in order to improve the anchoring force between the embedded clip 1 and the sandwich outer wall panel, and also enhance the integrity of the outer wall panel.

Referring to FIG. 2 , on the basis of this embodiment, in another embodiment, the embedded portion 3 is provided with a reinforcing rib 6 , and the reinforcing rib 6 passes through the second ends of the two plate-shaped bodies 5 . In this way, the anchoring force between the embedded portion 3 and the concrete can be further enhanced.

Referring to FIG. 2 , on the basis of this embodiment, in another embodiment, the pre-embedded portion 3 may be a plate-shaped body 5 , the plate-shaped body 5 is perpendicular to the pre-embedded card 1 , and the pre-embedded card The groove 2 of the piece 1 is stuck on the top of the plate-like body 5 . This arrangement can also play the role of supporting the pre-embedded clip 1. Compared with the box structure, the single plate-shaped body 5 has a slightly poorer compressive capacity.

Example 2

Referring to Figures 1 and 3, the connection structure of the prefabricated exterior wall panels in this embodiment includes prefabricated exterior wall panels and laminated beams. The composite beams are connected together, the embedded clip 1 is anchored in the concrete at the bottom of the prefabricated outer wall panel, and the bottom surface of the indoor side of the prefabricated outer wall panel is provided with a gap of the same height as the groove 2, and the groove 2 is exposed from the gap; the load-bearing corbel The second end of the embedded part 3 is anchored in the concrete at the top of the composite beam, the connecting part 4 is exposed from the end of the top surface of the composite beam, and the groove 2 is stuck on the top of the connecting part 4 .

Referring to FIG. 3 , the composite beam includes a cast-in-place part and a prefabricated part, and the second end of the pre-embedded part 3 is anchored in the concrete of the cast-in-place part. In this way, during on-site construction, the load-bearing corbel is placed on the top surface of the prefabricated part, and then the concrete of the cast-in-place part can be poured.

Referring to Figure 3, in this embodiment, the prefabricated outer wall panel is a sandwich outer wall panel, including concrete layers on both sides and an insulating layer in the middle. , the embedded clip 1 is anchored in the embedded part 3 . This arrangement can ensure the anchoring ability of the embedded clip 1 on the outer wall panel. Meanwhile, in this embodiment, the outdoor side of the bottom of the outer wall panel is longer than the indoor side, forming a waterproof structure, and the rainwater on the outdoor side is not easy to enter the indoor side through the horizontal joint between the upper and lower outer wall panels.

Referring to FIG. 3 , this embodiment also includes a prefabricated floor slab 03, wherein one end bottom surface of the prefabricated floor slab 03 is provided with a step, and the bottom surface of the step is placed on the top surface of the prefabricated part 41 of the laminated beam 04. The cast-in-place part 42 and The cast-in-place concrete of the steps is connected as a whole. This enhances the reliability of the connection between the floor slab and the composite beam.

The construction steps of the prefabricated outer wall panel 02 and the laminated beam 04 in this embodiment roughly include:

In the first step, the prefabricated part 41 of the laminated beam 04 is hoisted and positioned, and the load-bearing corbel is arranged above the prefabricated part 41 near the outdoor side, so that the connecting part is placed below the upper prefabricated outer wall panel;

In the second step, the prefabricated floor slab 03 is hoisted and positioned and placed on the indoor side top surface of the prefabricated part 41;

The third step is to hoist the lower prefabricated outer wall panel 02, and place it on the outdoor side of the laminated beam 04, and set up the connection components on the top side for connection;

The 4th step, pouring the concrete of the prefabricated floor slab 03 steps and the cast-in-place portion 42 of the superimposed beam 04, curing and forming;

The fifth step is to hoist the upper-layer prefabricated outer wall panel 02 with pre-embedded clips, clip the grooves of the pre-embedded clips on the top of the connecting portion of the load-bearing corbel, and coat the connecting portion of the load-bearing corbel. Fireproof Materials.

In the above construction method, the order of hoisting the prefabricated floor slab in the second step and the lower prefabricated outer wall panel in the third step can be reversed, and the step of hoisting the floor slab can be omitted when no prefabricated floor slab is provided.

The connection structure of the prefabricated outer wall panels in this embodiment is simple to construct on site, and the force is reliable.

The above are only the preferred embodiments of the present invention. It should be pointed out that for those skilled in the art, without departing from the principles of the present invention, several improvements and modifications can be made. These improvements and Retouching should also be regarded as the protection scope of the present invention.

Claims (10)

1. Prefabricated exterior wall panel's supporting component for link together prefabricated exterior wall panel and roof beam, its characterized in that, including pre-buried fastener and bearing bracket, pre-buried fastener is equipped with notched dull and stereotyped or box structure for the bottom side, the bearing bracket is including connecting pre-buried portion and connecting portion as whole, pre-buried portion and connecting portion are the platelike body, connecting portion set up the first end of pre-buried portion, the recess card of pre-buried fastener is in the top of connecting portion.

2. The prefabricated exterior wall panel support assembly of claim 1, wherein said connection portion is an open-top box structure, and a top end of one side panel of said box structure is captured in said recess.

3. The prefabricated exterior wall panel support assembly of claim 2, wherein the embedded portion comprises two plate-shaped bodies parallel to each other, the first end of each plate-shaped body is higher than the second end of each plate-shaped body, and the connecting portion is fixed to top surfaces of the first ends of the two plate-shaped bodies.

4. The prefabricated exterior wall panel support assembly of claim 3, wherein a reinforcing gasket is fixed to the bottom surfaces of the second ends of the two plate-shaped bodies.

5. The prefabricated exterior wall panel support assembly of claim 4, wherein the embedded portion is provided with a reinforcing rib, and the reinforcing rib penetrates through the second ends of the two plate-shaped bodies.

6. The prefabricated exterior wall panel support assembly of claim 1, wherein anchoring steel bars are further arranged on the embedded fasteners.

7. The connecting structure of the prefabricated external wall panel comprises the prefabricated external wall panel and a beam, wherein the beam is a superposed beam or a fully prefabricated beam, and is characterized in that the bottom side of the prefabricated external wall panel is connected with the beam through a supporting assembly of the prefabricated external wall panel according to any one of claims 1 to 6, the embedded fasteners are anchored in concrete at the bottom of the prefabricated external wall panel, the bottom surface of the indoor side of the prefabricated external wall panel is provided with a notch which has the same height as the notch, and the notch is exposed from the notch; the second end of the embedded part of the bearing bracket is anchored in concrete on the top end of the beam, the connecting part is exposed out of the end part of the top surface of the beam, and the groove is clamped on the top end of the connecting part.

8. The connecting structure of the prefabricated external wall panel as claimed in claim 7, wherein the composite beam comprises a cast-in-place part and a prefabricated part, and the second end of the embedded part is anchored in the concrete of the cast-in-place part.

9. The connecting structure of the prefabricated external wall panel as claimed in claim 7, wherein the prefabricated external wall panel is a sandwich external wall panel and comprises concrete layers on two sides and a heat insulation layer in the middle, the concrete layers on two sides of the bottom of the sandwich external wall panel are communicated with each other to form an embedded part, and the embedded fasteners are anchored in the embedded part.

10. The connecting structure of the prefabricated external wall panel as claimed in claim 7, wherein the anchoring steel bars of the embedded fasteners extend into the concrete layers on both sides.

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