CN209907931U - A support-free primary and secondary beam joint sealing system based on prefabricated structure - Google Patents

Abstract

The utility model discloses a support-free primary and secondary beam node sealing system based on a prefabricated structure, which comprises two parallel-arranged sealing plates and connecting pieces. The sealing plate comprises a vertical plate and a horizontal plate, and the vertical plate and the horizontal plate are fixedly connected An L-shaped structure is formed; one end of the vertical plate is provided with a first vertical rib plate for disassembly and connection with the prefabricated main beam, and the first vertical rib plate and the horizontal plate are respectively located on both sides of the vertical plate; the first vertical rib plate is provided with a main beam A connecting groove, the other end of the vertical plate is provided with a secondary beam connecting groove; the connecting piece connects the two horizontal plates, and the two sealing templates form a concave clamping part. The utility model forms a clamping part by connecting two sealing templates with each other, and at the same time uses the connecting groove of the main beam and the connecting groove of the secondary beam to connect with the embedded bolts on the prefabricated main and secondary beams to form a complete sealing system without adding a supporting structure. It has the characteristics of rapid assembly, easy disassembly, small footprint and recyclability.

Description

A support-free primary and secondary beam joint sealing system based on prefabricated structure

technical field

The utility model relates to the technical field of building beams, in particular to a support-free primary and secondary beam node sealing system based on an assembled structure.

Background technique

Urban development planning tends to be large-scale and specialized, and the number of prefabricated buildings is increasing. The construction of prefabricated primary and secondary beam joints in prefabricated buildings is greatly affected by the site during the construction period. It is more difficult to support and dismantle the wooden formwork. The traditional wooden formwork is fixed by sheet metal and wooden frame. In the application process of the prefabricated primary and secondary beam joints, it is necessary to use a complex supporting structure to fix the wooden formwork, which makes the structure of the sealing system too large. Installation workload, reuse, or ease of storage are not ideal.

Utility model content

In order to overcome at least one of the above-mentioned defects in the prior art, the present invention provides a support-free primary and secondary beam node sealing system based on a prefabricated structure.

The technical scheme adopted by the present utility model for solving its problems is:

A support-free primary and secondary beam joint molding system based on a prefabricated structure, comprising two parallel-arranged sealing plates and connecting pieces, the sealing plate includes a vertical plate and a horizontal plate, and the vertical plate and the horizontal plate are fixed connected to form an L-shaped structure; one end of the vertical plate is provided with a first vertical rib plate for detaching connection with the prefabricated main beam, and the first vertical rib plate and the horizontal plate are respectively located on both sides of the vertical plate; The first vertical rib plate is provided with a main beam connecting groove, and the other end of the vertical plate is provided with a secondary beam connecting groove; the connecting piece connects the two horizontal plates, and the two sealing plates form a concave clip. holding department.

The utility model needs to reserve bolts in the prefabricated primary and secondary beams to exit both sides of the beam. When sealing the mold, it is only necessary to connect the two sealing templates to each other to form a clamping portion. The pre-embedded bolt connection on the secondary beam forms a complete sealing system without adding supporting structures, and has the characteristics of rapid assembly, easy disassembly, small space occupation and recyclability.

Further, the connecting piece is a bolt and nut structure, a second vertical rib plate is arranged below the horizontal plate along the length direction, a sealing plate connecting groove is provided on the second vertical rib plate, and the connecting piece passes through the two vertical rib plates. The sealing plate is connected to the groove and abuts the two horizontal plates.

Therefore, a second vertical rib plate is arranged below the horizontal plate, and the two horizontal plates are abutted and fixed through the connecting groove of the sealing plate by the bolt and nut structure, so as to facilitate the disassembly and assembly of the two sealing plates, and at the same time, the strength of the sealing plate can be strengthened.

Further, a first sealing member is provided at the abutting surfaces of the two horizontal plates.

Further, it also includes a second sealing member and a third sealing member, the second sealing member is arranged on the joint surface of the clamping portion for connecting with the side surface of the prefabricated main beam; the third sealing member is arranged on the The clamping portion is used for clamping and contacting the joint surface of the prefabricated secondary beam.

In this way, the sealing between the molding system and the prefabricated primary and secondary beams is maintained through the arrangement of the sealing element to prevent the slurry from overflowing.

In summary, the support-free primary and secondary beam node sealing system provided by the present utility model has the following technical effects:

1) By reserving bolts in the prefabricated primary and secondary beams to exit both sides of the beam, when sealing the mold, it is only necessary to connect the two templates to each other to form a clamping part, and at the same time use the main beam connection groove and the secondary beam connection groove to connect with the prefabricated primary and secondary beams. The pre-embedded bolt connection on the beam forms a complete sealing system without adding supporting structure, and has the characteristics of rapid assembly, easy dismantling, small space occupation and recyclability;

2) A second vertical rib plate is arranged below the horizontal plate, and the two horizontal plates are abutted and fixed through the connecting groove of the sealing template with a bolt and nut structure, which is convenient for disassembly and assembly between the two sealing templates, and at the same time can strengthen the strength of the sealing template;

3) By arranging seals between the formwork and between the formwork and the prefabricated primary and secondary beams, the sealing between the sealing system and the prefabricated primary and secondary beams is maintained to prevent slurry overflow.

Description of drawings

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

FIG. 2 is a schematic structural diagram from another perspective of the support-free primary and secondary beam joint molding system shown in FIG. 1;

FIG. 3 is an exploded schematic diagram of the primary and secondary beam joint sealing system without support based on the fabricated structure shown in FIG. 1 .

Among them, the meanings of the reference signs are as follows:

1. Sealing formwork; 11. Vertical plate; 12. Horizontal plate; 13. First vertical rib plate; 14. Main beam connection groove; 15. Secondary beam connection groove; 16. Second vertical rib plate; 17. Sealing formwork connection groove; 2. connecting piece; 3. first sealing piece; 4. second sealing piece; 5. third sealing piece.

Detailed ways

For better understanding and implementation, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the technical field to which the present invention belongs. The terms used in the description of the present invention herein are only for the purpose of describing specific embodiments, and are not intended to limit the present invention.

Referring to FIGS. 1 to 3 , the present invention discloses a support-free primary and secondary beam joint molding system based on a prefabricated structure, which can be applied in the construction process of prefabricated primary and secondary beam joints. Wherein, one end of the molding system is connected with the side surface of the prefabricated main beam, and the other end is clamped and connected to the prefabricated secondary beam.

In this embodiment, the molding system includes two sealing boards 1 and connecting pieces 2 arranged in parallel. The sealing plate 1 is roughly elongated, and its cross section is roughly L-shaped. Specifically, the sealing plate 1 includes a vertical plate 11 and a horizontal plate 12. The vertical plate 11 and the horizontal plate 12 are integrally bent and formed to be perpendicular to each other to form an L-shaped structure. One end of the vertical plate 11 is provided with a first vertical rib plate 13 for detaching and connecting with the prefabricated main beam, and the first vertical rib plate 13 and the horizontal plate 12 are respectively located on both sides of the vertical plate 11; wherein , the first vertical rib plate 13 is perpendicular to the vertical plate 11, and the surface of the first vertical rib plate 13 is flush with the end surface of the vertical plate 11, thereby enhancing the strength of the sealing plate 1, while increasing the The abutment area between the large sealing formwork 1 and the side of the prefabricated main girder prevents slurry leakage. The first vertical rib plate 13 is provided with a main beam connecting groove 14, and the other end of the vertical plate 11 in the length direction is provided with a secondary beam connecting groove 15, so that the sealing plate 1 can pass through the main beam connecting groove and the secondary beam connecting groove. The beam connecting groove is connected with the embedded bolts on the prefabricated primary and secondary beams.

The connecting member 2 connects the two horizontal plates 12, and the two sealing plates 1 form a concave clamping portion (not shown in the figure), and the clamping portion has the first vertical rib plate 13 on the clamping portion. One end is connected with the embedded bolts on the side of the prefabricated main beam, and the other end is clamped on the prefabricated secondary beam and connected by the embedded bolts on the side of the prefabricated secondary beam.

In this embodiment, the connecting member 2 is a bolt and nut structure, a second vertical rib plate 16 is provided below the horizontal plate 12 along the length direction, and a sealing plate connecting groove 17 is formed on the second vertical rib plate 16 , the connecting piece 2 passes through the connecting grooves 17 of the two sealing plates and abuts the two horizontal plates 12 . Specifically, the connecting piece 2 includes a screw (not marked in the figure) and a nut (not marked in the figure) threadedly mounted on both ends of the screw. Both ends of the screw rod are screwed into nuts to fix, so that the two sealing plates 1 are connected to form the clamping portion.

In this embodiment, the molding system further includes a first sealing member 3, a second sealing member 4 and a third sealing member 5, and the first sealing member 3 is provided at the abutting surfaces of the two transverse plates 12; The second sealing member 4 is arranged on the joint surface of the clamping portion for abutting with the side surface of the prefabricated main beam; the third sealing member 5 is arranged on the clamping portion for clamping contact with the prefabricated secondary beam the joint surface. Through the arrangement of the seals, the sealing between the molding system and the prefabricated primary and secondary beams is maintained to prevent slurry overflow.

In this embodiment, the two sealing plates 1 constituting the molding system are arranged symmetrically, and the two sealing plates 1 are identical in shape and size. It is true that in other embodiments, there may be differences in size between the two seal templates, and there may also be slight differences in the positions and sizes of the first vertical rib plate 13 and the second vertical rib plate 16 disposed thereon, so as to meet the requirements of the seal template. The connection method and principle of the mold system are mainly.

Preferably, the sealing plate 1 is an aluminum template, and the first sealing member 3, the second sealing member 4 and the third sealing member 5 are all rubber strips. Such materials are light in weight, easy to see and easy to process. And installation, not easy to wear. It is true that the first sealing template 1 can also be a steel template, etc., and the first sealing member 3, the second sealing member 4 and the third sealing member 5 can also be engineering plastics, etc. The specific selection of their materials should belong to the art. The usual means of technicians.

To sum up, the support-free primary and secondary beam joint molding system provided by the present utility model is made of general-purpose lightweight materials, and its size can be adjusted on-site according to the beam-column joint size, and can be adjusted according to on-site conditions. The layout method has low requirements on site conditions; the two formwork 1 are connected to each other to form a clamping part, and are connected with the embedded bolts on the prefabricated main and secondary beams, without adding support structures, and have the advantages of rapid assembly, easy dismantling, small occupied space, The characteristics of recyclability save a lot of material costs and labor costs; by arranging seals between the sealing plate 1 and between the sealing plate 1 and the prefabricated primary and secondary beams, the sealing system and the prefabricated primary and secondary beams are kept. The tightness between them prevents the slurry from overflowing.

The technical means disclosed by the solution of the present invention are not limited to the technical means disclosed in the above-mentioned embodiments, but also include technical solutions composed of any combination of the above-mentioned technical features. It should be pointed out that for those skilled in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications are also regarded as the protection scope of the present invention.

Claims (4)

1. The utility model provides a exempt from to support primary and secondary roof beam node mould sealing system based on assembled structure which characterized in that: the die sealing plate comprises a vertical plate and a transverse plate, and the vertical plate and the transverse plate are fixedly connected to form an L-shaped structure; one end of the vertical plate is provided with a first vertical rib plate which is used for being detachably connected with the prefabricated main beam, and the first vertical rib plate and the transverse plate are respectively positioned on two sides of the vertical plate; the first vertical rib plate is provided with a main beam connecting groove, and the other end of the vertical plate is provided with a secondary beam connecting groove; the connecting piece is connected with the two transverse plates, and the two mold sealing plates form a concave clamping part.

2. The assembly-based structure support-free primary and secondary beam joint mold sealing system of claim 1, wherein: the connecting piece is of a bolt-nut structure, a second vertical rib plate is arranged below the transverse plates, a mold sealing plate connecting groove is formed in the second vertical rib plate, and the connecting piece penetrates through the two mold sealing plate connecting grooves and abuts against the transverse plates.

3. The assembly-based structure support-free primary and secondary beam joint mold sealing system of claim 2, wherein: and a first sealing element is arranged on the abutting surface of the two transverse plates.

4. The assembly-based structure support-free primary and secondary beam joint mold sealing system of claim 1, wherein: the second sealing element and the third sealing element are further included, and the second sealing element is arranged on a joint surface of the clamping part for connecting with the side surface of the prefabricated main beam; the third sealing element is arranged on a joint surface of the clamping part, which is used for being in clamping contact with the prefabricated secondary beam.

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