CN215330417U

CN215330417U - Structure system of steel structure modular building

Info

Publication number: CN215330417U
Application number: CN202120354587.1U
Authority: CN
Inventors: 李正旺
Original assignee: Shenzhen Mozhu Technology Co ltd
Current assignee: Shenzhen Mozhu Technology Co ltd
Priority date: 2021-02-08
Filing date: 2021-02-08
Publication date: 2021-12-28
Anticipated expiration: 2031-02-08

Abstract

The utility model provides a structure system of a steel structure modular building, which comprises a plurality of unit modules of the modular building, wherein each unit module comprises a steel structure unit frame formed by assembling special-shaped stand columns and cross beams, and each special-shaped stand column comprises a stand column body, and a top surface end plate and a bottom surface end plate which are arranged at the top end and the end of the stand column body; the upright post body comprises two webs vertically connected at one side and two flange plates respectively vertically connected with the two webs, and the two flange plates are close to each other and spaced; assembling adjacent special-shaped stand columns through connecting plates; the connecting plate comprises three plane plates which are vertically connected with each other, wherein a right angle formed by the two plane plates and the third plane plate form at least one right angle quadrant; the end parts of the special-shaped stand columns are placed in right-angle quadrants of the connecting plate in an adaptive mode and fixed through bolts. The utility model has simple structure and good node stress performance, and realizes 100% prefabrication of buildings.

Description

Structure system of steel structure modular building

Technical Field

The utility model relates to the technical field of prefabricated building, in particular to a structure system of a steel structure modular building.

Background

The modular building is an assembled building developed on the basis of a plate building, and the modular building is high in factory prefabrication degree and quick to install on site. The structure part of the frame box can be finished in a factory, indoor soft packaging and hard packaging can also be completely installed, and the module can be hoisted and finished after being transported to the site and a pipeline is connected.

At present, the advantages of the module building are more obvious, but the processing difficulty of the nodes is still larger at present. The obvious characteristic of eight columns and sixteen beams exists at the joint of the module building connection nodes, the space can be divided into eight quadrants, but the eight modules can fully occupy the whole space, and no construction space exists; if the operation is carried out outside the module, the stable connection of the nodes can be difficult to complete; and if the operation is in the module, the operation is influenced by the inner wall; if the inner wall is not prefabricated, the modularization of the interior decoration of the building cannot be realized by building the inner wall after the connection of the nodes is completed on site.

Therefore, the current modular building in the mode of connecting nodes can not meet the requirement of 'fully finishing' the module, is only suitable for low-rise buildings and is not suitable for multi-rise and high-rise buildings.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a structural system of a steel structure modular building which has simple structure and good node stress performance and can be used for full decoration and full prefabricated modules of a multi/high-rise building, realizing 100 percent prefabrication of the building, manufacturing the main structure and the enclosure structure to the electromechanical, water supply and drainage and decoration into building modules in a factory, and integrally transporting the building modules to on-site assembly construction.

In order to solve the technical problems, the utility model provides a structural system of a steel structure modular building, which comprises a plurality of unit modules of the modular building, wherein each unit module comprises a steel structure unit frame formed by assembling special-shaped stand columns and cross beams, and each special-shaped stand column comprises a stand column body, and a top surface end plate and a bottom surface end plate which are matched with the top end and the bottom end of the stand column body; the upright post body comprises two webs vertically connected at one side edge and two flange plates vertically connected with the two webs respectively, the two flange plates are close to each other and a space is reserved between the two flange plates, and a plurality of bolt holes are formed in the two webs, the top surface end plate and the bottom surface end plate; the adjacent special-shaped upright posts are assembled together through a connecting plate; the connecting plate comprises three plane plates which are vertically connected with each other, wherein a right angle formed by two plane plates and a third plane plate form at least one right angle quadrant; a plurality of bolt holes are formed in the plane plate; the end parts of the special-shaped stand columns are placed in the right-angle quadrant of the connecting plate in an adaptive mode, bolt holes of the special-shaped stand columns and the bolt holes of the special-shaped stand columns are aligned, and then the special-shaped stand columns and the bolt holes are screwed in to be assembled.

Preferably, the two webs of the special-shaped column are members with a cross section of a gamma shape formed by vertically connecting one side edge, and the top surface end plate and the bottom surface end plate are special-shaped plates formed by cutting off an isosceles right triangle at a right angle part of a square plate; the shape of the horizontal plane plate used for being placed in the right-angle quadrant of the special-shaped upright post is matched with the shape of the end face of the special-shaped upright post in the same way.

Preferably, a right angle formed by two of the plane plates of the connecting plate and a third plane plate form two vertically adjacent or horizontally adjacent right angle quadrants, and the two right angle quadrants are mirror images; the ends of the vertically adjacent special-shaped stand columns at the corner nodes of the structural system of the steel structure modular building are correspondingly matched and fixed in the two right-angle quadrants one by one, and the special-shaped stand columns are assembled and fixed.

Preferably, a right angle formed by two of the plane plates of the connecting plate and a third plane plate form four right angle quadrants, and two adjacent right angle quadrants are axisymmetric; and the middle node of the outer side surface of the structural system of the steel structure modular building is positioned, and the end parts of the four adjacent special-shaped stand columns are correspondingly matched and fixed in the four right-angle quadrants one by one.

Preferably, the right angle formed by two of the plane plates of the connecting plate and the third plane plate form eight right angle quadrants; and the end parts of the eight adjacent special-shaped stand columns are correspondingly and adaptively fixed in the eight right-angle quadrants one by one at the central node of each layer of the structural system of the steel structure modular building.

Preferably, the cross beams positioned at the upper parts of the unit modules adopt cross beams with variable cross sections to form a steel structure unit frame of the cross beams with the variable cross sections.

Preferably, the unit module further comprises a wall plate arranged on the side surface of the steel structure unit frame, and a top floor plate and a bottom floor plate arranged on the top and the bottom of the steel structure unit frame; and the corner of the top floor slab is arranged in a mounting hole communicated with the cavity of the special-shaped upright post.

Preferably, the unit module is arranged on a foundation structure on a foundation in a laying mode; the foundation structure comprises a lower structure or a concrete structure poured on a foundation and a steel structure underframe.

Preferably, the steel structure underframe comprises a plurality of underframe modules, each underframe module is a steel structure frame formed by welding a cross beam and a steel column with a stud, and the steel column with the stud and the concrete structure are poured into a whole to form the stiff steel-concrete combined column.

The utility model relates to a structure system of a steel structure modular building, which has the advantages that compared with the existing design: the modular building system can meet the requirements of multi-story and high-rise buildings, the nodes are in rigid connection, the detachable mounting holes are formed in the top floor, the node connection of the modules can be operated in the modules, the influence of walls and floors is avoided, the internal decoration of the modules is basically not influenced, the mounting problems of full decoration and full prefabrication of the modules are solved, the mounting method is simple, and the mounting efficiency is high. The modular building can realize 100% industrial production, most of the construction work is transferred to factory implementation, the quality is controllable, the field construction only needs installation work, the field engineering quantity is reduced, the construction period is greatly shortened, and the development cost of a building development enterprise is reduced; factory fabrication of building modules may be more efficient and less costly through mechanized production lines. Meanwhile, the working environment of workers is improved, the pollution of noise, dust and the like on a construction site is reduced, building garbage is not generated, the influence of buildings on the ecological environment and the living environment is improved, and the healthy and sustainable development of the industry is promoted. Meanwhile, the special-shaped upright columns in the structural system are solid-web columns, so that the special-shaped upright columns can be effectively hidden in the wall body, the building space in the module is not occupied, and the room rate is improved.

Drawings

Fig. 1 is an exploded view of the structural system of the steel structure modular building of the present invention.

Fig. 2 is a schematic view of an underframe module of the structural system of the steel structure modular building of the utility model.

Fig. 3 is a schematic view of the basic structure of the structural system of the steel structure modular building of the present invention.

Fig. 4 is a first schematic view of a unit module of a structural system of the steel structure modular building of the present invention.

Fig. 5 is a second schematic view of the unit modules of the structural system of the steel structure modular building of the present invention.

Fig. 6 is a first schematic view of a steel structure unit frame of a structural system of the steel structure modular building.

Fig. 7 is a second schematic view of a steel structure unit frame of the structural system of the steel structure modular building of the present invention.

Fig. 8 is a first schematic diagram of the installation process of the structural system of the steel structure modular building.

Fig. 9 is a second schematic view of the installation process of the structural system of the steel structure modular building of the present invention.

Fig. 10 is a third schematic view of the installation process of the structural system of the steel structure modular building of the present invention.

Fig. 11 is a fourth schematic view illustrating an installation process of the structural system of the steel structure modular building according to the present invention.

Fig. 12 is a perspective view of the structural system of the steel structure modular building of the present invention.

Fig. 13 is a schematic view of the special-shaped columns of the structural system of the steel structure modular building of the present invention.

Fig. 14 is a schematic view of a V-connection plate 20e of the structural system of the steel structure modular building of the present invention.

Fig. 15 is a schematic view of a corner node connection structure of a structural system of the steel structure modular building according to the present invention.

Fig. 16 is a schematic view of a number III connecting plate 20c of the structural system of the steel structure modular building of the present invention.

Fig. 17 is a schematic view of a side middle joint connection structure of a structural system of the steel structure modular building according to the present invention.

Fig. 18 is a schematic view of the connection plate No. I20 a of the structural system of the steel structure modular building of the present invention.

Fig. 19 is a schematic view of a central node connection structure of a structural system of the steel structure modular building according to the present invention.

Fig. 20 is a schematic view of an installation opening of a structural system of the steel structure modular building of the present invention.

Detailed Description

The utility model is described in detail below with reference to the figures and specific examples.

The utility model relates to a structural system of a steel structure modular building, which comprises a plurality of unit modules 100 of the modular building. In this embodiment, as shown in fig. 1 to 20, eight steel structure unit frames 101 (standard unit module structure) are taken as an example for detailed description.

As shown in fig. 1 to 3, eight unit modules 100 are divided into two layers and are installed on a foundation structure 200 on a foundation. The foundation structure 200 is formed by switching the upper unit module 100 and the lower concrete structure 201, taking the foundation as a concrete structure as an example, and comprises a lower structure or a concrete structure 201 poured on the foundation and a steel structure underframe, wherein the steel structure underframe comprises four underframe modules 202, each underframe module 202 is a steel structure frame formed by welding four cross beams and four steel columns 2021 with studs, the steel column bodies with the studs of the underframe modules can be regarded as parts of special-shaped columns of standard unit modules, which are transversely cut off from the middle, and the steel columns 2021 with the studs and the concrete structure 201 are poured into a whole to form a stiff steel-concrete combined column 203.

As shown in fig. 4 to 6, the unit module 100 includes a cubic-shaped steel structure unit frame 101, wall panels 102 installed at four sides of the steel structure unit frame 101, and a top floor 103 and a bottom floor 104 installed at the top and bottom of the steel structure unit frame 101. The steel structure unit frame 101 comprises four special-shaped upright posts 10 and eight cross beams 30; adjacent profile posts 10 are assembled together by a web 20. The steel structure unit frame can be optimized according to specific conditions, as shown in fig. 7, the cross beam 30 positioned at the upper part of the unit module 100 adopts a cross beam 31 with a variable cross section to form the steel structure unit frame of the beam with the variable cross section; the lower end face of the cross beam 31 with the variable cross section is provided with a notch to form a special-shaped structure with two wide ends and a narrow middle part in the vertical direction.

As shown in fig. 20, mounting holes 1031 which can be disassembled and opened are reserved on the top floor 103 of the unit module 100 near four corners of the profiled pole 10, the mounting holes 1031 are communicated with the cavity of the profiled pole 10, and constructors can complete the connection between the unit modules 100 through the mounting holes 1031.

As shown in fig. 13, the special-shaped column 10 is a hollow square column, and a triangular prism with a right-angled isosceles triangle cross section is vertically cut from top to bottom at a right-angled portion facing the inside of the unit module to form a special shape, and includes a column body 11 surrounded by two webs 111 and two flange plates 112 with the same width, and a top end plate 12 and a bottom end plate 13 which are adapted to be welded to the top and bottom surfaces of the column body 11. Two webs 111 are in a side department perpendicular connection formation cross section be the component of "+" shape, two flange plates 112 are connected with two webs 111 are perpendicular respectively, two flange plates 112 are close to each other and leave the interval between the two to 11 lateral parts of stand body and inside formation satisfy operation mouth and the operating space of construction installation requirement, simultaneously, can hide special-shaped stand 10 in module building wall, do not occupy the interior in-service use area of building cover. The top end plate 12 and the bottom end plate 13 are square plates, and an isosceles right triangle is cut at a right angle part to form a special-shaped plate. The two webs 111, the top end plate 12 and the bottom end plate 13 of the special-shaped column 10 are all provided with a plurality of bolt holes. Stiffening plates 15 are arranged in parallel on the upper part close to the top surface end plate 12 and the lower part close to the bottom surface end plate 13 in the cavity of the column body 11 so as to improve the overall strength of the special-shaped column 10.

The two ends of each cross beam 30 are welded to the flange plates 112 corresponding to the opposite surfaces of the top and the bottom of the two profile posts 10. The steel structure unit frame 101 at the first floor is connected with the steel structure underframe of the foundation structure 200 and the steel structure unit frames 101 adjacent to each other up, down, left and right through the connecting plates 20. The connecting plates 20 comprise a No. I connecting plate 20a, a No. III connecting plate 20c and a No. V connecting plate 20 e.

Four corner nodes in the structural system of the steel structure modular building, namely the steel structure unit frame 101 positioned on the first floor, the steel structure underframe of the foundation structure and the corner nodes of the vertically adjacent steel structure unit frames 101 are connected through the V-shaped connecting plate 20 e. As shown in fig. 4, the V-shaped connecting plate 20e includes three square plane plates 21, wherein two vertical plane plates 21 are vertically connected in an L-shape to form a right angle and then vertically connected to the horizontal plane plate 21 to form two right angle quadrants U opposite to each other in a vertical mirror image. And each plane plate 21 of each right-angle quadrant U is provided with a plurality of bolt holes. The shape of the plane plate 21 in the horizontal direction in the two right-angle quadrants U is the same as the shape of the top surface and the bottom surface of the special-shaped upright post 10. As shown in fig. 8-12 and 15, the underframe connecting pieces, the bottom ends of the special-shaped columns 10 in the first-layer unit module, the top ends of the special-shaped columns 10 in the first-layer unit module 100, and the bottom ends of the special-shaped columns 10 in the second-layer unit module 100 are correspondingly and fittingly placed in two corresponding right-angle quadrants U in the V-shaped connecting plates 20e one by one, so that the bolt holes of the corresponding members are aligned, and then the bolts are screwed in, so that the special-shaped columns 10 are mounted on the base structure 200, and the special-shaped columns 10 in the second-layer are mounted on the special-shaped columns 10 in the first-layer.

The middle nodes of the four outer side surfaces in the structural system of the steel structure modular building, namely the horizontally adjacent steel structure unit frame 101 positioned on the first layer, the steel structure underframe of the foundation structure and the horizontally adjacent steel structure unit frame 101 positioned on the second layer and the horizontally adjacent steel structure unit frame positioned on the first layer are connected through a III-type connecting plate 20 c. As shown in fig. 16, the connection plate No. III 20c includes three square plane plates 21, wherein the plane plates 21 in one vertical direction and one horizontal direction are crossed perpendicularly in a cross-shape to form four right angles, and then are perpendicularly connected to the side surfaces of the plane plates 21 in the other vertical direction, so as to form four right angle quadrants U in the three-dimensional space. And each plane plate 21 of each right-angle quadrant U is provided with a plurality of bolt holes. The shape of the plane plate 21 in the horizontal direction in the four right-angle quadrants U is the same as the shape of the top surface and the bottom surface of the special-shaped upright post 10. As shown in fig. 8-12 and 17, two underframe connectors on the concrete composite column 201 and the bottom ends of two special-shaped columns 10 in the first-layer unit module, the top ends of two special-shaped columns 10 in the first-layer unit module 100 and the bottom ends of two special-shaped columns 10 in the second-layer unit module 100 are correspondingly and fittingly placed in four right-angle quadrants U of the corresponding number III connecting plate 20c one by one, after bolt holes of corresponding members are aligned, bolts are screwed in, so that the special-shaped columns 10 are installed on the foundation structure 200, and the special-shaped columns 10 on the second-layer unit module are installed on the first-layer special-shaped columns 10.

The central nodes of each layer in the structural system of the steel structure modular building, namely the four horizontally adjacent steel structure unit frames 101 positioned on the first layer and the steel structure underframe of the foundation structure, and the four horizontally adjacent steel structure unit frames 101 positioned on the first layer and the four horizontally adjacent steel structure unit frames 101 positioned on the second layer are connected through the I-shaped connecting plate 20 a. As shown in fig. 18, the connection board No. I20 a includes three square plane boards 21, wherein two plane boards 21 in the vertical direction are crossed vertically in a cross shape to form four right angles, and then are crossed vertically with the plane board 21 in the horizontal direction to form eight right angle quadrants U in the three-dimensional space; the three plane plates 21 are vertically connected with the rear edges to be flush with each other, and two adjacent right-angle quadrants U are mirror images of the plane plates 21 serving as the partition plates between the two. Each plane plate 21 of each right-angle quadrant U is provided with a plurality of bolt holes; the shape of the horizontal plane plate 21 of each right-angle quadrant U is matched with the shape of the top surface and the bottom surface of the special-shaped upright post 10. As shown in fig. 6-12 and 19, four underframe connectors on the concrete composite column 201 and the bottom ends of four special-shaped columns 10 in the first-layer unit module, the top ends of four special-shaped columns 10 in the first-layer unit module 100 and the bottom ends of four special-shaped columns 10 in the second-layer unit module 100 are correspondingly and one-to-one correspondingly placed in eight right-angle quadrants U of the connection plate No. I20 a, after bolt holes of corresponding members are aligned, bolts are screwed in, so that the special-shaped columns 10 are installed on the foundation structure, and the special-shaped columns 10 on the second-layer are installed on the special-shaped columns 10 on the first-layer.

Claims

1. The utility model provides a structural system of steel construction modularization building which characterized in that: the unit modules (100) comprise a plurality of modular buildings, each unit module (100) comprises a steel structure unit frame (101) formed by assembling special-shaped columns (10) and cross beams (30), and each special-shaped column (10) comprises a column body (11), and a top surface end plate (12) and a bottom surface end plate (13) which are arranged at the top end and the bottom end of the column body (11) in a matched mode; the upright post body (11) comprises two webs (111) vertically connected at one side edge and two flange plates (112) respectively vertically connected with the two webs (111), the two flange plates (112) are close to each other with a space left between the two, and a plurality of bolt holes are respectively formed in the two webs (111), the top surface end plate (12) and the bottom surface end plate (13); the adjacent special-shaped columns (10) are assembled together through a connecting plate (20); the connecting plate (20) comprises three plane plates (21), the plane plates (21) are all connected perpendicularly to each other, and a right angle formed by two plane plates (21) and a third plane plate (21) form at least one right angle quadrant (U); a plurality of bolt holes are formed in the plane plate (21); the end parts of the special-shaped upright posts are placed in a right-angle quadrant (U) of the connecting plate in an adaptive mode, and after bolt holes of the special-shaped upright posts are aligned, the special-shaped upright posts are screwed in the bolt holes to be assembled.

2. The structural system of a steel structural modular building of claim 1, wherein: the two webs (111) of the special-shaped upright post (10) are vertically connected at one side edge to form a component with a cross section of a gamma shape, and the top surface end plate (12) and the bottom surface end plate (13) are square plates which are formed by cutting an isosceles right triangle at a right angle part; the shape of the horizontal plane plate (21) used for being placed in the right-angle quadrant (U) of the special-shaped upright post (10) is the same as the shape of the end face of the special-shaped upright post (10).

3. The structural system of a steel structural modular building of claim 2, wherein: the right angle formed by two of the plane plates (21) of the connecting plate (20) and the third plane plate (21) form two vertically adjacent or horizontally adjacent right-angle quadrants (U), and the two right-angle quadrants (U) are in mirror symmetry; the ends of the vertically adjacent special-shaped columns (10) at the corner nodes of the structural system of the steel structure modular building are correspondingly matched and fixed in the two right-angle quadrants (U) one by one, and the special-shaped columns are assembled and fixed.

4. The structural system of a steel structural modular building of claim 2, wherein: the right angle formed by two of the plane plates (21) of the connecting plate (20) and the third plane plate (21) form four right-angle quadrants (U), and the adjacent two right-angle quadrants (U) are axisymmetric; and the middle node of the outer side surface of the structure system of the steel structure modular building is positioned, and the end parts of the four adjacent special-shaped upright columns (10) are correspondingly matched and fixed in the four right-angle quadrants (U) one by one.

5. The structural system of a steel structural modular building of claim 2, wherein: the right angle formed by two of the plane plates (21) of the connecting plate (20) and the third plane plate (21) form eight right-angle quadrants (U); the special-shaped columns are positioned at the central nodes of all layers of the structural system of the steel structure modular building, and the end parts of the eight adjacent special-shaped columns (10) are correspondingly matched and fixed in the eight right-angle quadrants (U) one by one.

6. The structural system of a steel structural modular building of claim 1, wherein: and the cross beam (30) positioned at the upper part of the unit module (100) adopts a variable cross-section cross beam (31) to form a steel structure unit frame of the variable cross-section beam.

7. Structural system of a modular building of steel construction according to any of claims 1-6, characterized in that: the unit module (100) further comprises wall plates (102) arranged on the sides of the steel structure unit frame (101), and a top floor plate (103) and a bottom floor plate (104) arranged at the top and the bottom of the steel structure unit frame (101); the corners of the top floor (103) are arranged in mounting holes (1031) communicated with the cavity of the special-shaped upright post (10).

8. Structural system of a modular building of steel construction according to any of claims 1-6, characterized in that: the unit modules are arranged on a foundation structure (200) arranged on a foundation in a laying mode; the foundation structure (200) comprises a lower structure or a concrete structure (201) poured on a foundation and a steel structure underframe.

9. Structural system of a modular building of steel construction according to any of claims 1-6, characterized in that: the steel structure underframe comprises a plurality of underframe modules (202), each underframe module (202) is a steel structure frame formed by welding cross beams and steel columns (2021) with studs, and the steel columns (2021) with studs and a concrete structure (201) are poured into a whole to form a stiff steel-concrete combined column (203).