CN202730953U - Modular steel unit structure - Google Patents

Abstract

The utility model relates to a modular steel structure unit structure, which is characterized in that: the two ends of the modular steel structure unit frame are frame-shaped steel wing plate structures, and the corners of the four steel wing plates on the frame-shaped steel wing plate have hoisting holes and installation Holes and welded L-shaped steel corner fittings with hoisting holes and installation holes, through the installation holes on the unit frame steel flange and L-shaped steel corner fittings, combined with side walls to connect channel steel, no additional connecting pieces are required between module units, and can be quickly Realize the direct connection between the upper and lower, left and right, and front and rear units, so that each unit can be stacked and combined to form an overall structure, which has better overall strength and forms a flexible anti-seismic system. The utility model realizes the standardization and factory production of modular steel structure buildings, realizes various changes in the form of standard products, and solves the contradiction between building assembly and standardization. The composite maintenance structure of the utility model has the advantages of high strength of the steel structure , and has thermal insulation and decorative properties, building energy consumption can be reduced by 80-90% compared with conventional buildings.

Description

A modular steel structure unit construction

technical field

The invention relates to a building product, in particular to a modular steel structure unit construction.

Background technique

With the advancement of technology and the sharp increase of labor costs, construction technology is currently rapidly getting rid of the backward situation of traditional and backward on-site wet work and a large number of manual work, showing a trend towards assembly, factory, and modular development. However, due to the Due to the shackles of traditional architectural concepts and technologies, the current technical development of prefabricated building systems is not thorough enough, and there is still a lot of room for improvement in technical standardization and industrialization.

From the perspective of the development trend of international building prefabrication and assembly technology, fully assembled modular houses have good development prospects, and are also a product system with relatively comprehensive efficiency and energy-saving advantages. Box houses have developed on a certain scale around the world, and are prominently used in the fields of residences, apartment buildings and economical hotels. However, containers with freight as the production standard and goal are bound to be subject to many restrictions from the original materials and structures. In order to achieve For the overall seismic resistance and overall strength of the structure, the unit boxes must be able to connect with each other to form an overall structure. The conventional connection method mainly adopts on-site welding, which is less efficient. At present, there is also a method of connecting through connecting components. For example, the application number is In the British patent of 0324363.12003, the connectors between the container units are composed of multiple components, the form is cumbersome, the actual operation is inconvenient, and the installation efficiency is affected.

At the same time, due to the impact of materials, the overall efficiency of traditional container heat preservation, decoration and other transformation and processing is not high, but the cost is relatively high, and the source of waste containers is difficult to meet the requirements of large-scale residential production.

In the face of a large number of expanding urban population and increasing labor costs, the real estate market urgently needs to be able to quickly connect construction, environmental protection and energy saving, with higher quality modular steel structure assembly products.

Contents of the invention

In order to solve the problems existing in the above-mentioned background technology, the object of the present invention is to provide a modular steel structure unit structure with high efficiency connection assembly, high versatility, high energy saving performance, and recyclability, so as to enable building factory production, component transportation, On-site connection assembly is more efficient and economical.

In order to achieve the above object, the present invention adopts the following technical solution: a modular steel structure unit structure, characterized in that: the two ends of the modular unit steel structure frame are frame-shaped steel wing plate structures, and the four corners of the frame-shaped steel wing plate have hoisting holes and installation Holes and welded L-shaped steel corner pieces with hoisting holes and installation holes, through the installation holes on the unit frame steel wing plate and L-shaped steel corner pieces, combined with the side wall connecting channel steel, the module units can quickly realize up and down, left and right, front and rear The free connection between the units enables each unit to be stacked and combined to form an overall structure, which has better overall strength and forms a flexible anti-seismic system.

Preferably, the unit structure of a modular steel structure, the length and width of the modular unit and the position of the hoisting hole at the top of the L-shaped steel corner piece of the frame-shaped steel wing plate of the unit structure are equivalent to the size of the international standard container and the position of the hoisting hole of the corner post of the container, General container hoisting machinery, rigging and container freight vehicles can be used for hoisting and transportation.

Preferably, the unit structure of a modular steel structure has L-shaped steel corner fittings with hoisting holes and installation holes welded to the four corners of the unit structure frame-shaped steel wing plate, and L-shaped steel corners can be directly passed between units with two ends flush. The mounting holes on the corner fittings are connected by bolts; between the units whose two ends are not flush, the mounting holes on the side of the structural frame steel wing plate of one unit can be connected with the connecting channel steel of the side wall of another adjacent unit through locking bolts .

Preferably, the unit structure of a modular steel structure, the four corners of the frame-shaped steel wing plate of the unit structure and the mounting holes on the L-shaped steel corner pieces enable the unit to communicate with the external load-bearing columns and beams, and the embedded steel components on the foundation. connected to form an overall multi-storey building structure with flexible connections.

Preferably, the modular steel structure unit structure, each modular unit structure has the load-bearing capacity of vertically stacked 8-layer units due to the supporting structure of the internal steel frame, and conventionally each horizontal structural prefabricated beam can be stacked 4 The stacked modular units are connected to the embedded parts of the prefabricated frame beam structure through connectors, and are combined upwards along the structural frame to form a high-rise building structure.

Preferably, the unit structure of a modular steel structure is formed by connecting the GRC exterior wall panels containing steel mesh sheets and the embedded bolts in the GRC sky and ground structure panels with the T-shaped steel keel of the unit frame to form the external enclosure of the unit structure.

Preferably, the intermediate insulation layer can be filled with foamed polyurethane with a density of 30-50 kg per cubic meter or filled with foamed phenolic resin, polystyrene foam, EPS or foam glass with a density of 30-55 kg per cubic meter, The heat transfer resistance of the outer wall is lower than 0.1W/m ² k.

Preferably, in the modular steel structure unit structure, the internal bathroom and kitchen are directly positioned and installed by prefabricated modular units. Due to the overhead of the floor, the same floor drainage method is adopted, the upper and lower water positions of the kitchen and bathroom are flexible, and the floor is laid conventionally. heating system pipes.

Preferably, in the modular steel structure unit structure, the internal stairwell and elevator room are installed and positioned after being connected with prefabricated modular units and prefabricated load-bearing column and beam embedded parts.

The present invention has the following advantages due to the adoption of the above technical scheme:

1. Through the steel wing plate frame structure at both ends of the modular steel structure unit, there is no need to use cumbersome external connectors. The module units can directly realize the fast connection between the unit up and down, left and right, front and back, and realize simple and efficient Assembled construction, due to greatly shortening the construction period and reducing manpower, further improves the economy of construction.

2. Compared with the existing container unit system, the connection mode and combination form of the modular units of the present invention are more flexible, which is conducive to creating a variety of architectural forms, and solves the conventional contradiction between the standardization of assembled buildings and the richness of architectural forms.

3. The enclosure structure of the modular unit of the present invention is composed of GRC outer wall panels and GRC sky and earth structural panels, primary and secondary steel skeletons, thermal insulation layers and interior decoration panels, which combines the high strength advantages of steel structures and has excellent thermal insulation and Energy-saving performance can be conveniently and effectively combined with wind energy, photovoltaic power generation system, wind energy heat recovery, ground source heat pump and other additional facilities to form a low energy consumption, ecological and environmental protection building product system.

4. The main building materials formed by the present invention can all be recycled and can be recycled. Compared with conventional buildings, the heat energy consumption of buildings can be reduced by 80-90%. The generation of secondary pollution in the indoor environment.

5. Compared with the traditional construction technology, a modular steel structure unit of the present invention has basically no on-site wet work, and the construction efficiency can be increased by 5 to 10 times. All unit product components are produced by the factory, and the product quality is not affected by the external climate environment. impact, stable and reliable.

6. The overall structure of the building formed by the interconnection of modular steel structure units of the present invention is an integral flexible structure, which has good seismic performance and can resist earthquakes with an intensity of 8 or above in theory.

7. The structural panel of a modular steel structure unit of the present invention, the glass fiber concrete outer wall panel and the inner panel are inorganic non-combustible materials with a thickness of more than 15mm, which have good flame-retardant and fire-proof performance, and are in line with the current building interior and exterior walls in China Material specifications and regulatory requirements.

Description of drawings

Fig. 1 is a side elevation view of the present invention;

Figure 2 is a side elevation view of the steel frame;

Fig. 3 is a plan view of steel frame;

Fig. 4 is a schematic diagram of unit combination nodes;

Fig. 5 is A-A sectional view;

Fig. 6 is a schematic diagram of the overall structure;

Figure 7 is a schematic diagram of two facade combinations;

Fig. 8 is a schematic diagram of two plane combination modes;

Reference signs: 1-embedded bolts, 2-T-shaped steel keel, 3-sealant, 4-exterior finish, 5-GRC exterior wall panels, 6-insulation layer, 7-steel mesh, 8-pipeline Groove, 9-interior decorative board, 10-light steel keel fixed to interior wall panel, 11-steel keel for ground panel, 12-screw, 13-GRC sky and earth structure board, 14-light steel keel fixed to ceiling, 15-floor layer, 16 -L-shaped steel corner fittings, 17-window wall, 18-side wall connecting channel steel, 19-vertical steel keel, 20-heaven and earth steel keel, 21-steel flange corner, 22-frame steel flange, 23-outside Wall panel pre-embedded fixing bolts, 24-steel braces, 25-standard bathroom and kitchen modules, 26-hoisting holes, 27-installation holes, 28-locking bolts

Detailed ways

The specific embodiments of the present invention will be described below in conjunction with the accompanying drawings. The embodiments are only used to illustrate and explain the present invention, but should not limit the protection scope of the present invention.

Example

As shown in Figure 1-6, a modular steel structure unit structure, each module unit is composed of a T-shaped steel keel 2 composed of angle steel, a sky-to-ground steel keel 20, a vertical steel keel 19, and a steel keel to strengthen the overall strength. Support 24 to form the basic steel structure frame. Frame-shaped steel flanges 22 are welded at both ends of the basic steel structure frame. The four steel flange corners 21 of the frame-shaped steel flange 22 have hoisting holes 26 and installation holes 27 and are welded with L-shaped steel angles that also have hoisting holes 26 and installation holes 27. Part 16, the position, size and shape of the hoisting hole 26 are equal to the position, size and shape of the hoisting hole of the international standard container.

The GRC exterior wall panel 5 compounded with the exterior finish layer 4 containing steel mesh 7 is connected and fixed with the T-shaped steel keel 2 through the pre-embedded fixing bolts 23 of the exterior wall panel, and the fixed keel 10 of the inner wall panel is connected with the vertical steel keel 19 After the welding connection, the interior decoration board 9 is fixed by the screw 12 to form a hollow sandwich structure of the outer wall, and the inner foam is filled with the insulation layer 6. After the standard toilet and kitchen module 25 is hoisted in place, the GRC containing the steel mesh 7 The sky and earth structure plate 13 is connected and fixed with the T-shaped steel keel 2 through embedded bolts 1, and the interior decoration plate 9 is fixed with screws 12 on the ceiling fixed keel 14, and the inner foam is filled with the insulation layer 6, and then welded through the frame-shaped steel wing plate 22 After the window wall 17 with a steel frame, the ceiling and the ground are laid with the corresponding pipeline trough 8, the floor layer 15 is installed on the ground panel keel 11, and the sealant 3 is used to fill the gap between the GRC exterior wall panel 5 and the frame of the T-shaped steel keel. form a hexahedral unit structure,

A modular steel structure unit structure, between the unit bodies, through the unit frame steel wing plate 22 and the installation hole 27 on the L-shaped steel corner piece 16, combined with the side wall connecting channel steel 18, the module unit body can quickly realize up and down , The free connection between the left, right and front and rear units enables each unit to be stacked and combined to form an overall structure, which has better overall strength and forms a flexible anti-seismic system.

Refer to Figure 7-8 for details. For example, units with flush ends can be directly connected by bolts in the mounting holes on the L-shaped steel corner fitting 16; units with non-flush ends can be connected by a The mounting hole 27 on the side of the frame-shaped steel wing plate 22 of the unit structure is connected with the connecting channel steel 18 on the side wall of another adjacent unit through a locking bolt 28 .

A modular steel structure unit structure, its unit structure frame steel wing plate 22, four steel wing plate corners 21 and L-shaped steel corner fittings 16 mounting holes 27 make the unit and external load-bearing columns and beams, embedded steel on the foundation The components are connected to form an overall multi-storey building structure with flexible connections; each module unit structure has the load-bearing capacity of vertically stacked 8-story units due to the supporting structure of the internal steel frame, and the prefabricated beams of each horizontal structure of the conventional structural frame 4 to 8 floors are stacked up, and the stacked modular units are connected with the embedded parts of the prefabricated frame beam structure through connectors, and the combination along the structural frame can form a high-rise building structure. The prefabricated load-bearing beam-column embedded parts are installed and positioned after connection.

Claims (7)

1. modularization steel work unit structure, it is characterized in that: these modular unit steel structure frame two ends are frame shaped steel wing plate structure, four steel wing plate bights have hole for hoist and installing hole and welding and have hole for hoist and installing hole L-type steel corner fittings on the frame shaped steel wing plate, by the installing hole on unit frame shaped steel wing plate and the L-type steel corner fittings, connect channel-section steel in conjunction with side wall, can realize fast freely connecting between the unit, top to bottom, left and right, front and rear between the modular unit body, make each element stack, be combined to form overall structure, possess preferably bulk strength and formation flexible anti-shock system.

2. described modularization steel work unit structure according to claim 1, it is characterized in that: four steel wing plate bights and L-type steel corner fittings hole for hoist position on modularization steel work element length, width dimensions and the block construction frame shaped steel wing plate, be equal to ISO freight container length and width size and corner post of container hole for hoist position, can adopt universal container lifting machine, rigging and containerized shipment vehicle to lift and transport.

3. described modularization steel work unit structure according to claim 1, it is characterized in that: four steel wing plate corner weldings have the L-type steel corner fittings of hole for hoist and installing hole on its block construction frame shaped steel wing plate, can directly link to each other by installing hole bolt on the L-type steel corner fittings between the unit that two ends flush and the unit; Between the non-unit and unit that flushes, two ends, a block construction frame shaped steel wing plate side installing hole can be connected with adjacent another unit side wall link slot steel by lock bolt.

4. described modularization steel work unit structure according to claim 1, it is characterized in that: on the frame shaped steel wing plate of its block construction on four steel wing plate bights and the L-type steel corner fittings installing hole make between the pre-buried steel member on unit and outside load-bearing pillar and beam, the basis and be connected, form the integral multi-layered building structure that flexibly connects.

5. described modularization steel work unit structure according to claim 1, it is characterized in that: each modular unit structure is because the supporting construction of internal steel framework, the weight capacity that possesses 8 layers of unit of the vertical pile of bearing, on each transversary precast beam of conventional structure framework stacking 4～8 layers, by installing hole on four steel wing plate bights on the frame shaped steel wing plate of stacking modular unit and the L-type steel corner fittings is connected with precast frame beam structure built-in fitting, constantly upwards be combined to form high building structure along structural framing.

6. described modularization steel work unit structure according to claim 1, it is characterized in that: the pre-embedded bolt spare of being connected with GRC world structural slab by the GRC side fascia that includes reinforced mesh in described modularization steel work unit is connected with cell borders T-steel keel and forms this unit outer peripheral protection structure.

7. described modularization steel work unit structure according to claim 1, it is characterized in that: the insulation layer in the described modularization steel work unit can be filled at 30～50 kilograms every cubic metre polyurathamc by density, or filled by the foamed phenolic resin of every cubic metre of 30～55 kilograms of density, polyphenyl foam, EPS or foam glass and to consist of, the exterior wall resistance of heat transfer is lower than 0.1W/m ²K.

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