CN217480622U

CN217480622U - Prefabricated column structure

Info

Publication number: CN217480622U
Application number: CN202220406877.0U
Authority: CN
Inventors: 赵丹
Original assignee: Sanneng Integrated Housing Co Ltd
Current assignee: Sanneng Integrated Housing Co Ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-09-23
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses a prefabricated column structure, it includes the cylinder, the cylinder is full precast concrete component, the cylinder is as the structure post of building, strides the floor and extends to the top of building, just the pre-buried third steel sheet connecting piece of roof beam hookup location of cylinder. The utility model discloses production simple manufacture, it is quick with the equipment of precast beam, little to the site operation influence, save building assemble duration.

Description

Prefabricated column structure

Technical Field

The utility model relates to an assembly type structure, especially a prefabricated post structure.

Background

In the existing fabricated building, the prefabricated column as a structural column of the building is generally formed by connecting a plurality of sections of columns on site. The on-site connection of the columns not only needs to be assisted by large-scale equipment, but also needs a plurality of workers and a large number of auxiliary connecting pieces to realize the connection between the columns. Because the setting quantity of structural columns is big in the building, every structural column all forms through the on-the-spot erection joint of multistage cylinder for the cylinder assembly occupies assemble duration by a wide margin, has delayed construction period.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that the production preparation technology to current assembly type structure is complicated, and the long not enough of equipment period, the utility model provides a production simple manufacture, with the quick precast column structure of equipment of precast beam.

In order to solve the technical problem, the utility model provides a prefabricated column structure, it includes the cylinder, the cylinder is full precast concrete component, the cylinder is as the structure post of building, strides the floor and extends to the building top, just the pre-buried third steel sheet connecting piece of roof beam hookup location of cylinder.

The utility model discloses prefabricated post uses as the structure post of building, and its whole floor of striding extends to the building top promptly, makes the structure post of assembly type structure no longer need be formed by the connection of the prefabricated post of multistage, and the pre-buried third steel sheet connecting piece of the roof beam hookup location of prefabricated post for prefabricated roof beam and prefabricated post accessible linking steel plate welding or fastener link into an integrated entity, make things convenient for the equipment of prefabricated roof beam, saved assemble duration for the assembly of whole assembly type structure, accelerated assembly type structure's assembly progress.

Preferably, the third steel plate connecting pieces are embedded around the connecting position of each layer of beam of the column body respectively so as to facilitate adjustment of the assembling position of the precast beam.

Preferably, the third steel plate connecting member comprises an anchor plate, and anchor bars are welded on the back surface of the anchor plate.

Preferably, the anchor plate is provided with anchor bar connecting holes, and the end parts of the anchor bars penetrate through the anchor bar connecting holes and are connected through plug welding.

Preferably, the anchor plate is provided with four anchor bar connecting holes, the four anchor bar connecting holes are arranged in a square shape, and the anchor bars are welded to the anchor bar connecting holes respectively.

Preferably, the bottom of the prefabricated column is arranged in a foundation pit type foundation, and concrete is cast in situ between the prefabricated column and the inner wall of the foundation.

Drawings

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

Fig. 1 is the three-dimensional structure diagram of the fully-assembled building of the utility model.

Fig. 2 is a three-dimensional structure diagram of the foundation pit type foundation of the present invention.

Fig. 3 is a three-dimensional structure diagram (3-layer building) of the prefabricated column of the utility model.

Fig. 4 is a perspective structure view of the first embodiment of the precast beam of the present invention.

Fig. 5 is the utility model discloses well be used as precast beam's of precast stair overlap joint spatial structure chart.

Figure 6 is the utility model discloses precast floor slab embodiment one's spatial structure chart.

Fig. 7 is the three-dimensional structure view of the prefabricated staircase of the utility model.

Figure 8 is the utility model discloses prefabricated half space structure chart of half space platform.

Figure 9 is the utility model discloses precast floor slab and precast beam connected node embodiment one's schematic structure drawing.

Figure 10 is the utility model discloses precast floor slab and precast floor slab connected node embodiment one's schematic structure drawing.

Fig. 11 is a schematic structural view of the steel plate connecting member of the present invention, wherein a is a front view and b is a side view.

Fig. 12 is a schematic view (front view) of the connection between the precast beam and the precast column of the present invention.

Fig. 13 is a schematic view (overlooking) of the connection between the precast beam and the precast column of the present invention.

Fig. 14 is a schematic connection diagram (front view) when the side of the precast beam is flush with the side of the precast column according to the present invention.

Fig. 15 is a schematic connection diagram (overlook) when the side of the precast beam is flush with the side of the precast column according to the present invention.

Fig. 16 is a schematic view of the connection between the foundation pit type foundation and the precast column according to the present invention.

Fig. 17 is a three-dimensional structure view of the building foundation of the present invention.

Fig. 18 is a three-dimensional structure view of the prefabricated column of the present invention after being installed on the foundation.

Fig. 19 is a three-dimensional structure view of the installation of the second floor precast beam of the present invention.

Fig. 20 is the utility model discloses the spatial structure chart of the installation of the prefabricated half space of second floor and prefabricated stair.

Fig. 21 is a perspective view of the second floor installation of the present invention.

Fig. 22 is a three-dimensional structure view of the third floor installation of the present invention.

Detailed Description

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

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 application.

As shown in fig. 1, the utility model discloses an embodiment of full assembled building includes building foundation 1, prefabricated post 2, precast beam 3, precast floor 4, prefabricated staircase 5, prefabricated half space 6. Wherein:

the building foundation 1-is formed by pouring on a construction site, and comprises foundation pit type foundations 11 used for mounting the prefabricated columns 2 and beam type foundations 12 connecting the adjacent foundation pit type foundations 11, and the foundation pit type foundations 11 are connected with each other through the beam type foundations 12 to form the integral building foundation 1;

the prefabricated column 2 is a fully prefabricated concrete member, which is used as a structural column of a building, extends to the top of the building across floors, and third steel plate connecting pieces 21 are embedded around the connecting positions of beams of each floor of the prefabricated column, as shown in fig. 3;

as shown in fig. 4, the upper surfaces of the two ends of the precast beam 3 are respectively embedded with first steel plate connecting pieces 31, the two side surfaces of the precast beam are respectively embedded with second steel plate connecting pieces 32, the second steel plate connecting pieces 32 on the two side surfaces are oppositely arranged, and the beam body of the precast beam 3 and the oppositely arranged second steel plate connecting pieces 32 are provided with integrally penetrating first connecting holes 33. The upper surface of the precast beam 3, on which the precast floor slab 4 needs to be installed, is reserved with floor slab connecting steel bars 34 (see fig. 4 and 5); prefabricating a first lifting lug 35 at a corresponding position on a prefabricated beam 3 of the prefabricated staircase 5 to be bordered, and reserving a first staircase connecting steel bar 36 on the upper surface of the first lifting lug 35 (as shown in fig. 5); second platform connecting steel bars 37 (shown in figure 1) are reserved on the upper surface of the precast beam 3 for installing the precast rest platform 6 at the stairwell. The length of the precast beam 3 is equal to span length-2 x 10mm, so that a 10mm gap is reserved between the precast beam 3 and the precast columns 2, and the precast beam 3 cannot be placed between the precast columns 2 to realize connection due to production errors;

the prefabricated floor 4 is a full prefabricated concrete component, namely the thickness of the prefabricated floor 4 is the thickness of the structural plate, and one standard prefabricated floor 4 is spliced with each other to form a whole floor. As shown in fig. 6, a second connecting hole 41 is reserved at the beam connecting position of the precast floor slab 4, a rabbet 42 is arranged at the floor slab splicing position, a first platform connecting steel bar 43 (as shown in fig. 1) is reserved at the rest platform mounting position, a second connecting hole 41 and a rabbet 42 are simultaneously arranged at the beam slab connecting position, as shown in fig. 9 and fig. 10, adjacent precast floor slabs 4 are spliced through the rabbet 42, a high-grade mortar is filled in a splicing seam 44 to form a whole floor slab, the second connecting hole 41 on the precast floor slab 4 is sleeved in the floor slab connecting steel bar 34 on the precast beam 3, and the second connecting hole 41 is filled with the high-grade mortar to form fixed connection;

prefabricated staircase 5: the prefabricated staircase is a universal prefabricated staircase component, namely the upper part of the prefabricated staircase 5 is fixedly connected, and the lower part is a sliding support without holes. Specifically, as shown in fig. 7, a fourth connecting hole 51 is reserved at the upper part of the prefabricated staircase 5, and a connecting hole is not reserved at the lower part;

prefabricated rest platform 6-as shown in fig. 8, it includes the platform body, the top of platform body sets up to landing slab 61, landing slab 61's below both sides set up terraced roof beam 62 respectively, and the both ends of terraced roof beam 62 set up the ladder 63 respectively, just set up the second on the terraced roof beam 62 of the stair connection side of platform body and choose ear 67, the second is chosen the stair upper portion junction on the ear 67 and is reserved second stair connecting reinforcement 64. The both ends of landing slab 61 correspond both sides ladder beam 62 respectively and set up ladder post 63, and the bottom of two ladder posts 63 is connected through prefabricated connecting plate 65 to reserve third connecting hole 66 on prefabricated connecting plate 65.

The first steel plate connecting piece 31, the second steel plate connecting piece 32 and the third steel plate connecting piece 21 are steel plate connecting pieces 7 with the same structure. As shown in fig. 11, the steel plate connecting member 7 includes an anchor plate 71 and anchor bars 72, four anchor bar connecting holes 73 are disposed on the anchor plate 71 and distributed in a square shape, one anchor bar 72 passes through each of the anchor bar connecting holes 73, and the anchor plate 71 and the anchor bar 72 are connected into a whole by plug welding.

The utility model discloses an assembly method of full assembled building, as shown in fig. 17-22 and fig. 1, include the following step:

1) after the field terrace is leveled and tamped, the construction of the building foundation 1 is started: as shown in fig. 17, foundation pit type foundations 11 are cast in situ at column positions, beam type foundations 12 are cast in situ between the foundation pit type foundations 11, and the foundation pit type foundations 11 and the beam type foundations 12 jointly form a building foundation 1;

2) as shown in fig. 18, the bottom of the prefabricated column 2 is vertically placed in the foundation pit type foundation 11, and concrete is cast in place between the prefabricated column 2 in the foundation pit type foundation 11 and the inner wall of the foundation pit type foundation, so that the prefabricated column 2 and the foundation pit type foundation 11 are fixedly connected together;

3) installing a second layer of precast beams 3 between adjacent precast columns 2: as shown in fig. 19 and fig. 12-15, after the precast girders 3 are in place, the first connecting steel plates 8 are welded between the first steel plate connecting pieces 31 of the precast girders 3 and the third steel plate connecting pieces 21 on the adjacent precast columns 2 to realize connection; a screw is arranged in the first connecting hole 33 of the precast beam 2, two ends of the screw respectively penetrate through the second steel plate connecting pieces 32 on two sides of the precast beam 3, meanwhile, two ends of the screw are connected with one end of the second connecting steel plate 9 and one end of the third connecting steel plate 10 in a counter-pulling mode through nuts, and the other ends of the second connecting steel plate 9 and the third connecting steel plate 10 are welded with the third steel plate connecting pieces on the adjacent precast columns 2 into a whole; when the precast girders 3 are coupled to the precast columns 2, one side of the precast girders 3 may be installed flush with one side of the precast columns 2 (see fig. 14 and 15), and the end portions of the precast girders 3 may be installed at the middle portions of the coupling surfaces of the precast columns 2 (see fig. 12 and 13).

4) Install prefabricated rest platform 6 on second floor on terrace and beam type basis 12: as shown in fig. 20, platform connecting steel bars are reserved at the prefabricated rest platform installation positions on the terrace and the beam type foundation 12, one end of the prefabricated rest platform 6 is arranged on the terrace, the other end of the prefabricated rest platform 6 is arranged on the beam type foundation 12, third connecting holes 66 at the bottoms of the two ends of the prefabricated rest platform 6 are respectively sleeved in the corresponding platform connecting steel bars, and the third connecting holes 66 are filled with first-grade mortar, so that the prefabricated rest platform 6 is fixed;

5) installing a second layer of prefabricated stairs 5: as shown in fig. 20, the upper part of the prefabricated staircase 5 positioned above the prefabricated rest platform 6 and the first lifting lug 35 of the prefabricated beam 3 on the upper layer are sleeved in the first staircase connecting steel bar through a fourth connecting hole 51 to form a fixed connection, the lower part of the prefabricated staircase is slidably connected with the second lifting lug of the prefabricated rest platform, and after the prefabricated staircase 5 is lapped on the first lifting lug 35, the upper part of the prefabricated staircase 5 is flush with the prefabricated floor slab 4 on the second layer; the upper part of the prefabricated staircase 5 positioned below the prefabricated rest platform 6 and a second lifting lug of the prefabricated rest platform 6 are sleeved into the second staircase connecting steel bar through the fourth connecting hole to form fixed connection, and the lower part of the prefabricated staircase 5 is in sliding connection with the terrace;

6) and (3) installing a second layer of prefabricated floor slab 4: as shown in fig. 21, the prefabricated floor slab 4 is installed on the installed second layer of prefabricated beam 3, the second connecting hole 41 of the prefabricated floor slab 4 is aligned to the floor slab connecting steel bar on the prefabricated beam 3, the adjacent prefabricated floor slabs 4 are connected through the rabbet 42, the lower parts of the rabbet 42 are closely spliced, a splicing seam 44 with the width of 20mm is reserved at the upper part, the second connecting hole 41 is filled with high-grade mortar, and the splicing seam 44 is filled with waterproof mortar;

7) as shown in fig. 22 and fig. 1, the installation of other floors is completed according to the procedures of installing the precast beams 3, installing the precast rest platforms 6, installing the precast stairways 5 and installing the precast floor slabs 4. When the prefabricated rest platforms 6 of other floors are installed, one end of each prefabricated rest platform 6 is arranged on the lower-layer prefabricated floor 4, the other end of each prefabricated rest platform 6 is arranged on the prefabricated beam 3, a first platform connecting steel bar 43 is reserved at the position corresponding to the rest platform installation position of the lower-layer prefabricated floor 4, a second platform connecting steel bar 37 is reserved at the rest platform installation position of the prefabricated beam 3, a third connecting hole 66 arranged on the prefabricated floor 4 is inserted into the first platform connecting steel bar, a third connecting hole 66 arranged on the prefabricated beam 3 is inserted into the second platform connecting steel bar 37, and high-grade mortar is filled in each third connecting hole 66. When the prefabricated stairways 5 on other layers are installed, the installation method of the prefabricated stairways 4 on the upper section is the same as that of the prefabricated stairways on the second layer, and the difference is that when the prefabricated stairways 4 on the lower section are installed, the fourth connecting hole 51 at the upper part of the prefabricated stairways 5 is sleeved into the second stair connecting steel bar of the prefabricated rest platform 6 and is filled with high-grade mortar to form fixed connection, the lower part of the prefabricated stairways 5 is lapped on the first picking lug 35 of the prefabricated beam on the lower layer to form sliding connection, and after the prefabricated stairways 5 are lapped on the first picking lug 35, the lower part of the prefabricated stairways 5 is flush with the prefabricated floor slabs 4 on the lower layer.

In the installation process, the filling operation of the floor slab joints and the connecting holes can be considered after all the components are installed, so that the construction period is shortened.

The anchor plate 71 of the steel plate connecting piece 7 is preferably a galvanized steel plate, the precast beam 3 and the steel plate connecting piece 7 on the precast column 2 can be considered to be embedded into a precast member, and a groove is formed at the position of the embedded steel plate connecting piece 7, so that the surface of the steel plate is flush with the surface of the precast member after the connecting steel plate is installed.

The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can make many possible variations and modifications to the technical solution of the present invention or modify the technical solution of the present invention into equivalent embodiments with equivalent variations without departing from the technical solution scope of the present invention. Therefore, any simple modification, equivalent change and modification made to the above embodiments by the technical entity of the present invention should fall within the protection scope of the technical solution of the present invention.

Claims

1. The utility model provides a precast column structure, includes the cylinder, the cylinder is full precast concrete component, its characterized in that, the cylinder is as the structural column of building, strides the floor and extends to the top of building, just the pre-buried third steel sheet connecting piece of roof beam hookup location of cylinder, third steel sheet connecting piece includes the anchor slab, the back welding anchor bar of anchor slab.

2. The precast column structure according to claim 1, wherein the third steel plate connecting members are embedded around the connecting position of each layer of beams of the column body.

3. The precast column structure according to claim 1, wherein an anchor bar coupling hole is provided on the anchor plate, and ends of the anchor bars pass through the anchor bar coupling hole and are coupled by plug welding.

4. The precast column structure according to claim 3, wherein four anchor bar connecting holes are provided on the anchor plate, the four anchor bar connecting holes are arranged in a square shape, and the anchor bars are welded to the respective anchor bar connecting holes.

5. The precast column structure according to claim 1, wherein the bottom of the precast column is placed in a foundation pit type foundation, and concrete is cast in place between the precast column and the inner wall of the foundation.