CN216973951U

CN216973951U - Prefabricated beam for assembly type structure

Info

Publication number: CN216973951U
Application number: CN202121986317.9U
Authority: CN
Inventors: 赵丹
Original assignee: Sanneng Integrated Housing Co Ltd
Current assignee: Sanneng Integrated Housing Co Ltd
Priority date: 2021-08-23
Filing date: 2021-08-23
Publication date: 2022-07-15
Anticipated expiration: 2031-08-23

Abstract

The utility model discloses a prefabricated beam for an assembly type building, which comprises a beam body, wherein a third anchor plate (21) is embedded in the end part of the beam body, and a plurality of third connecting holes (22) for connecting prefabricated columns are reserved on the third anchor plate. And a third hand hole (23) is formed in the position, corresponding to the third connecting hole, of the end part of the beam body. Two rows of extending steel bars (24) used for connecting the prefabricated floor slab are reserved on the beam surface of the beam body. The utility model has simple production and manufacture, quick installation and little influence on site construction, and can greatly save the construction cost.

Description

Prefabricated beam for assembly type structure

Technical Field

The utility model relates to an assembly type building, in particular to a precast beam for the assembly type building.

Background

Chinese patent CN209538376U discloses an assembled vestibule, original building body and install the connection between the elevator additional when it is used for the building body to install the elevator additional, just the assembled vestibule includes precast concrete component, first pre-buried steel sheet connecting piece and the pre-buried steel sheet connecting piece of second, and the one end of first pre-buried steel sheet connecting piece and the pre-buried steel sheet connecting piece of second is buried underground respectively at precast concrete component's both ends, and the tip that precast concrete component was stretched out to the other end of first pre-buried steel sheet connecting piece is connected with installing the elevator girder steel additional, and the tip that precast concrete component was stretched out to the other end of the pre-buried steel sheet connecting piece of second is connected with original building body ladder beam. The assembly type corridor has the advantages of simple construction process, short construction period, reasonable stress, energy conservation, environmental protection and the like, but the assembly type corridor needs the original building body and the support additionally provided with the elevator beams, is only suitable for corridor construction with short length, and has very limited application range.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the existing fabricated corridor still needs to be supported by means of a site building structure and is not suitable for long-distance building.

In order to solve the technical problem, the utility model adopts the following technical scheme: the utility model provides an assembly type precast beam for building, includes the roof beam body, the pre-buried third anchor slab of tip of the roof beam body, reserve a plurality of third connecting holes that are used for being connected with prefabricated post on the third anchor slab.

According to the utility model, the third anchor plate is embedded in the end part of the precast beam, and a plurality of third connecting holes connected with the precast column foundation are reserved on the third anchor plate, so that the third anchor plate can be connected with one end of the second screw rod (matched with the second nut) by virtue of the third connecting holes, and the other end of the second screw rod is connected with the precast column to realize the connection between the precast beam and the precast column, thereby realizing the installation of the precast beam, simplifying the installation process of the whole precast beam and being reliably connected with the precast column.

And in order to conveniently screw and fasten the second nut, a third hand hole is formed in the position, corresponding to the third connecting hole, of the end part of the beam body.

For the installation of convenient precast floor, two rows of stretching out reinforcing bars for connecting precast floor are reserved to the beam surface of the beam body.

In order to ensure that the flatness of the floor is not influenced by the arrangement of the third anchor plate, the third anchor plate and the beam surface of the beam body are arranged at the same height.

And in order to ensure that the mounting pulling force applied to each part on the precast beam is uniform, the four corners of the third anchor plate are respectively reserved with the third connecting holes.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model has simple production and manufacture, quick installation and little influence on site construction, and can greatly save the construction cost.

Drawings

In order to more clearly illustrate the embodiments or technical solutions of the present invention, the drawings used in the embodiments or technical solutions in the prior art are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a three-dimensional structural view of a prefabricated pillar according to the present invention.

Fig. 2 is an enlarged view of the first layer structure of the prefabricated column.

Fig. 3 is an enlarged view of the bottom structure of the prefabricated column.

Fig. 4 is a three-dimensional structural view of a precast beam of the present invention.

Fig. 5 is a three-dimensional structural view of the precast floor slab of the present invention.

Fig. 6 is a three-dimensional structural view of the prefabricated roof panel according to the present invention.

Fig. 7 is a three-dimensional structural view of a prefabricated cover panel according to the present invention.

Fig. 8 is a structural view of a prefabricated column and a foundation connection node.

Fig. 9 is a structural diagram of a connection node of a precast column and a precast beam.

Fig. 10 is a structural diagram of a prefabricated column and prefabricated floor slab connection node.

Fig. 11 is a structural diagram of a connection node of a prefabricated column, a prefabricated top plate and a prefabricated cover plate.

FIG. 12 is a schematic view of a prefabricated column installation.

Fig. 13 is a schematic view of an installation structure of the precast column and the precast beam of the second floor.

Fig. 14 is a schematic view of the installation of a second floor precast slab.

Fig. 15 is a schematic view of the installation of a third layer of precast floor slabs.

Fig. 16 is a schematic view of the top precast beam installation.

Fig. 17 is a schematic view of the installation of the top prefabricated roof panel.

Fig. 18 is a three-dimensional block diagram of a fully assembled vestibule of the present invention (installation of prefabricated cover panels).

Detailed Description

The utility model is further described below with reference to specific preferred embodiments, without thereby limiting the scope of protection of the utility model.

For convenience of description, the relative positional relationship of the components, such as: the descriptions of the upper, lower, left, right, etc. are described with reference to the layout directions of the drawings in the specification, and do not limit the structure of the present patent.

As shown in fig. 17, one embodiment of the fully-assembled vestibule of the present invention comprises a plurality of precast columns 1, a plurality of precast beams 2, a plurality of precast floor slabs 3, a plurality of precast roof slabs 4 and a plurality of precast cover plates 5, wherein each precast column 1 is arranged in pairs and in groups at equal intervals along the length direction of the vestibule, each group of precast columns is connected by the precast beams 2, two ends of the precast floor slabs 3 are lapped on the precast beams 2, the precast floor slabs 3 on the top layer are the precast roof slabs 4, and the top of the splicing seams of the adjacent precast roof slabs 4 is covered with the precast cover plates 5.

As shown in fig. 1-3, 8 and 9, a first anchor plate 11 is embedded in the bottom of the precast column 1, first connection holes 12 are reserved at four corners of the first anchor plate 11, and the first connection holes 12 are respectively arranged corresponding to first screws 61 embedded in the foundation 6. The bottom of prefabricated post 1 corresponds the position of first connecting hole 12 and sets up first hand hole 13 for first nut 8 is installed after first screw rod 61 passes first anchor slab 11. A bracket 14 is arranged at the position, connected with the precast beam 2, of each precast column 1, a second anchor plate 15 is embedded at the end part of the bracket 14, second connecting holes 16 are reserved at four corner parts of the second anchor plate 15, and a second hand hole 17 is arranged at the position, corresponding to the second connecting holes 16, of the end part of the bracket 14. The second hand hole 17 is used for installing the second nut 10 after the second screw 9 passes through the second anchor plate 15. During installation, the corbels 14 of the two prefabricated columns 1 in each group of prefabricated columns are arranged oppositely, so that the prefabricated columns are conveniently connected with the prefabricated beam 2 through the second anchor plate 15.

As shown in fig. 4 and 9 to 11, the precast beam 2 includes a beam body, a third anchor plate 21 that is arranged at the same height as the beam surface of the beam body is embedded in each of two end portions of the beam body, and third connection holes 22 are reserved in each of four corner portions of the third anchor plate 21. And third hand holes 23 are respectively formed in the positions, corresponding to the third connecting holes 22, of the two end parts of the beam body, and are used for installing second nuts 10 after the second screw rods 9 penetrate through the third anchor plates 21. Two rows of extending steel bars 24 fixedly connected with the prefabricated floor slab 3 or the prefabricated top slab 4 are reserved on the beam surface of the prefabricated beam 2.

As shown in fig. 5, fourth connection holes 31 are reserved at two ends of the precast floor slab 3, and the fourth connection holes 31 are arranged corresponding to the extending steel bars 24 on the precast girders 2. The four corners of precast floor slab 3 set up respectively and give the position portion 32 to when the vestibule assembly, precast floor slab 3 can laminate with the side of precast column 1.

As shown in fig. 6, two sides of the precast roof panel 4 are respectively provided with an outward protruding reverse sill 41, a fifth connecting hole 42 is reserved on each reverse sill 41, and the fifth connecting hole 42 is arranged corresponding to the extending steel bar 24 on the precast beam 2.

As shown in fig. 7, the prefabricated cover plate 5 has a U-shaped cross section, and the prefabricated cover plate 5 is reversed on the mutually spliced reversed sills 41 of the two adjacent prefabricated top plates 4, and is used for waterproofing together with the reversed sills 41.

As shown in fig. 12-17, the installation method of the fully assembled vestibule of the present invention comprises the following steps:

s1: pouring a foundation 6 of the corridor on site, pre-burying a first screw 61 in the foundation 6 according to the installation requirement of the prefabricated column 1, extending the upper end of the first screw 61 out of the top surface of the foundation 6, and screwing a leveling nut 7 into the extending end of the first screw 61;

s2: and (3) mounting the prefabricated column 1: correspondingly sleeving a first connecting hole 12 on a first anchor plate 11 of the prefabricated column 1 on a first screw 61 pre-embedded on a foundation 6, placing the first anchor plate 11 on a leveling nut 7, adjusting the verticality of the prefabricated column 1 through the leveling nut 7 on the first screw 61, and screwing a first nut 8 on the first screw 61 by means of a first hand hole 13 to fix the prefabricated column 1;

s3: installing the precast beam 2: respectively corresponding third anchor plates 21 at two ends of the precast beam 2 to second anchor plates 15 on brackets 14 on corresponding precast columns 1, penetrating second screw rods 9 through second connecting holes 16 on the second anchor plates 15 and third connecting holes 22 on the third anchor plates 21, and then respectively connecting and fixing two ends of the second screw rods 9 in third hand holes 23 of the precast beam 2 and second hand holes 17 of the precast columns 1 by using second nuts 10;

s4: installing a first layer of prefabricated floor slab 3: firstly, laying a layer of high-strength mortar on the beam surface of a precast beam 2, then respectively lapping two ends of a precast floor slab 3 on one precast beam 2, correspondingly sleeving a fourth connecting hole 31 on the precast floor slab 3 on an extending reinforcing steel bar 24 on the precast beam 2, and filling the fourth connecting hole 31 and a splicing seam of the adjacent precast floor slabs 3 with the high-strength mortar;

S5: repeating the steps S3 and S4 to install the precast beams 2 and the precast floor slabs 3 of other layers, wherein the precast floor slab 3 at the top layer adopts a precast top slab 4;

s6: after the prefabricated top plate 4 is installed and the fifth connecting hole 42 of the prefabricated top plate 4 is filled with high-strength mortar, a layer of mortar is laid on the reversed ridge surface layer of the prefabricated top plate 4, and then the prefabricated cover plate 5 is installed on the reversed ridge 41 of the adjacent prefabricated top plate 4.

Note: for a corridor with large span or other similar projects, design brackets can be considered in four directions of the precast columns 1 and are used for connecting precast beams 2 at different positions in a horizontal direction and a vertical direction.

The above description is only a specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and those skilled in the art can make many possible variations and modifications to the technical solution of the present invention or modify equivalent embodiments using the technical content disclosed above without departing from the technical solution of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention should fall within the protection scope of the technical scheme of the present invention, unless the technical spirit of the present invention departs from the content of the technical scheme of the present invention.

Claims

1. The utility model provides an assembly type precast beam for building, includes the roof beam body, its characterized in that, pre-buried third anchor slab (21) of tip of the roof beam body, reserve a plurality of third connecting holes (22) that are used for being connected with prefabricated post on the third anchor slab, just the tip of the roof beam body corresponds the position of third connecting hole sets up third hand hole (23).

2. The precast beam for fabricated construction according to claim 1, wherein two rows of protruded steel bars (24) for connecting precast floor slabs are reserved on the beam surface of the beam body.

3. The precast beam for prefabricated construction of claim 1, wherein the third anchor slab is disposed at the same height as a beam surface of the beam body.

4. The precast beam for fabricated construction according to claim 1, wherein the third connection holes (22) are respectively reserved at four corners of the third anchor slab.