CN114182824B - Magnetic suction connecting structure for modular steel structure integrated building and construction method thereof - Google Patents
Magnetic suction connecting structure for modular steel structure integrated building and construction method thereof Download PDFInfo
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- CN114182824B CN114182824B CN202111548294.8A CN202111548294A CN114182824B CN 114182824 B CN114182824 B CN 114182824B CN 202111548294 A CN202111548294 A CN 202111548294A CN 114182824 B CN114182824 B CN 114182824B
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34315—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts
- E04B1/34326—Structures characterised by movable, separable, or collapsible parts, e.g. for transport characterised by separable parts mainly constituted by longitudinal elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/34384—Assembling details for foldable, separable, collapsible or retractable structures
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
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Abstract
A magnetic suction connecting structure for a modular steel structure integrated building and a construction method thereof comprise a lower steel structure module, an upper steel structure module, a lower magnetic suction device, an upper magnetic suction device, a horizontal connecting plate, a first shear-resistant positioning cone and a second shear-resistant positioning cone; the lower magnetic attraction device is arranged in the inner cavity of the corner piece and comprises a lower magnet and a lower protective cover; the lower protective cover is provided with a first operating column and a first limiting block; the lower magnet is arranged in the lower protective cover; the lower protective cover is vertically adjustable in the vertex angle piece; the upper magnetic attraction device is arranged in the inner cavity of the bottom corner piece and comprises an upper magnet and an upper protective cover; the upper protective cover is provided with a second operating column and a second limiting block; the upper magnet is arranged in the upper protective cover; the upper protective cover is vertically adjustable in the bottom corner piece; the horizontal connecting plate is arranged between the lower steel structure module and the upper steel structure module. The invention solves the technical problems that the bolt holes are not aligned in the traditional bolt connection, so that the field construction period is prolonged, and the corrosion of the bolts brings difficulty to the field disassembly.
Description
Technical Field
The invention belongs to the technical field of modular integrated buildings, and particularly relates to a magnetic suction connecting structure for a modular steel structure integrated building and a construction method thereof.
Background
In recent years, china has vigorously pushed the development of fabricated buildings. The concrete is classified according to materials, and at present, the prefabricated concrete structure building and the prefabricated steel structure building are widely applied in China. As an important branch of an assembled steel structure, the modularized steel structure integrated building has wide application in the fields of hotels, schools, hospitals, construction sites, epidemic prevention emergency buildings and the like due to the advantages of high design standardization degree, high factory completion degree, high site construction speed and obviously shortened construction period.
The steel structure modularization integrated building is formed by assembling a plurality of steel structure modules, and beams and columns in the single modules are connected with corner fittings in a welding mode. The modules are usually bolted together. Due to the fact that machining precision of a factory and installation precision of a field are insufficient, the situation that bolt holes are not aligned frequently occurs in the construction stage, a construction party is forced to perform hole expansion on the site, the operation can greatly prolong the construction period on the site, and the advantages of integrated buildings are weakened. In addition, for those integrated buildings which have disassembly and assembly properties and need to be reused, the corrosion of the bolt connection can bring great difficulty to the field disassembly after the buildings are used for a long time. Therefore, the applicable requirements of the detachable steel structure integrated building are difficultly met by the traditional bolt connection.
Disclosure of Invention
The invention aims to provide a magnetic suction connecting structure for a modular steel structure integrated building, and aims to solve the technical problems that bolt holes are easy to be misaligned in the traditional bolt connection, so that the field construction period is greatly prolonged, and the field disassembly is difficult due to corrosion of the bolt connection in the later period.
In order to achieve the purpose, the invention adopts the following technical scheme.
A magnetic suction connecting structure for a modularized steel structure integrated building comprises a lower-layer steel structure module and an upper-layer steel structure module; the two lower steel structure modules are spliced and connected along the transverse direction; each lower steel structure module comprises a lower upright post, a top cross beam, a top longitudinal beam and a top corner piece; the two upper-layer steel structure modules are correspondingly arranged at the top of the lower-layer steel structure module; the upper steel structure module comprises an upper upright post, a bottom cross beam, a bottom longitudinal beam and a bottom corner piece;
the top corner piece is of a rectangular three-dimensional structure and is connected to the top of the lower stand column, first strip-shaped holes are formed in the outer transverse side face and the outer longitudinal side face of the top corner piece respectively, and first mounting holes are formed in the outer transverse side face and the outer longitudinal side face of the top corner piece and located on two sides of the top of each first strip-shaped hole respectively; the top cross beam is connected with the top corner piece through a top cross beam end reinforcing piece; the top cross beam end reinforcing piece is of a rectangular three-dimensional structure, and the top surface of the top cross beam end reinforcing piece is lower than the top surface of the vertex angle piece; first jacks are arranged on the top surface of the top beam end reinforcing piece at intervals along the transverse direction; the top longitudinal beam is connected with the top corner piece through a top longitudinal beam end reinforcing piece; the top longitudinal beam end reinforcing piece is of a rectangular three-dimensional structure, and the top surface of the top longitudinal beam end reinforcing piece is lower than that of the vertex angle piece; a second jack is arranged in the middle of the top surface of the top longitudinal beam end reinforcing piece;
the bottom corner piece is of a rectangular three-dimensional structure and is connected to the bottom of the upper stand column, second strip-shaped holes are formed in the outer transverse side face and the outer longitudinal side face of the bottom corner piece respectively, and second mounting holes are formed in the outer transverse side face and the outer longitudinal side face of the bottom corner piece and located on two sides of the bottom of each second strip-shaped hole respectively; the bottom cross beam is connected with the bottom corner piece through a bottom cross beam end reinforcing piece; the bottom cross beam end reinforcing piece is of a rectangular three-dimensional structure, and the bottom surface of the bottom cross beam end reinforcing piece is flush with the bottom surface of the bottom corner piece; third jacks are arranged on the bottom surface of the bottom cross beam end reinforcing piece at intervals along the transverse direction; the bottom longitudinal beam is connected with the bottom corner piece through a bottom longitudinal beam end reinforcing piece; the bottom longitudinal beam end reinforcing piece is of a rectangular three-dimensional structure, and the bottom surface of the bottom longitudinal beam end reinforcing piece is flush with the bottom surface of the bottom corner piece; a fourth jack is arranged in the middle of the bottom surface of the bottom longitudinal beam end reinforcing piece;
the magnetic attraction connecting structure also comprises a lower magnetic attraction device, an upper magnetic attraction device, a horizontal connecting plate, a first anti-shearing positioning cone and a second anti-shearing positioning cone; the lower magnetic attraction device is arranged in the inner cavity of the corner piece and comprises a lower magnet and a lower protective cover; the lower protective cover is of a hexahedral structure without a top surface; first operation columns are respectively arranged on the outer transverse side surface and the outer longitudinal side surface of the lower protective cover at positions corresponding to the first strip-shaped holes; the first operating column extends out of the outer side of the first strip-shaped hole; a first limiting block is arranged among the inner transverse side surface, the inner longitudinal side surface and the bottom surface of the lower protective cover; the lower magnet is arranged in the lower protective cover; the lower protective cover is vertically adjustable in the vertex angle piece along the first strip-shaped hole;
the upper magnetic attraction device is arranged in the inner cavity of the bottom corner piece and comprises an upper magnet and an upper protective cover; the upper protective cover is of a hexahedral structure without a bottom surface; second operation columns are respectively arranged on the outer transverse side surface and the outer longitudinal side surface of the upper protective cover at positions corresponding to the second strip-shaped holes; the second operating column extends out of the outer side of the second strip-shaped hole; a second limiting block is arranged in the middle of the inner transverse side surface, the inner longitudinal side surface and the top surface of the upper protective cover; the upper magnet is arranged in the upper protective cover; the upper protective cover is vertically adjustable in the bottom corner piece along the second strip-shaped hole;
the horizontal connecting plate is arranged between the two lower-layer steel structure modules and the two upper-layer steel structure modules; the horizontal connecting plate comprises a middle connecting plate section, an end connecting plate section and an adapter plate section; the middle connecting plate section is laid on the tops of the top longitudinal beam end reinforcements of the two lower-layer steel structure modules; a second positioning hole is formed in the position, corresponding to the second jack, on the plate surface of the middle connecting plate section; the two end connecting plate sections are respectively arranged on two sides of the middle connecting plate section; the two end connecting plate sections are respectively laid on the tops of the top beam end reinforcements of the two lower-layer steel structure modules; a first positioning hole is formed in the position, corresponding to the first jack, on the plate surface of the end connecting plate section; the two adapter plate sections are respectively connected between the two sides of the middle connecting plate section and the two end connecting plate sections; the first shear-resistant positioning cone is correspondingly installed in the first positioning hole, the upper end of the first shear-resistant positioning cone is inserted into the third insertion hole, and the lower end of the first shear-resistant positioning cone is inserted into the first insertion hole; the second anti-shear positioning cone is correspondingly installed in the second positioning hole, the upper end of the second anti-shear positioning cone is inserted into the fourth insertion hole, and the lower end of the second anti-shear positioning cone is inserted into the second insertion hole.
Preferably, the lower protective cover is made of a stainless steel material or a high-strength aluminum alloy material; the lower protective cover is connected with the lower magnet through a bolt; the upper protective cover is made of a stainless steel material or a high-strength aluminum alloy material; the upper protective cover is connected with the upper magnet through a bolt.
Preferably, the top beam end reinforcing part is formed by welding steel plates; the top cross beam end reinforcing piece is welded with the top cross beam; the top longitudinal beam end reinforcing piece is formed by welding steel plates; the top longitudinal beam end reinforcing piece is welded with the top longitudinal beam; the bottom cross beam end reinforcing piece is formed by welding steel plates; the bottom cross beam end reinforcing piece is welded with the bottom cross beam; the bottom longitudinal beam end reinforcing piece is formed by welding steel plates; the bottom longitudinal beam end reinforcing piece is connected with the bottom longitudinal beam in a welding mode.
Preferably, the size of the longitudinal section of the top beam end reinforcing piece is matched with that of the top beam; the transverse section size of the top longitudinal beam end reinforcing piece is matched with that of the top longitudinal beam; the longitudinal section size of the bottom cross beam end reinforcing piece is matched with the longitudinal section size of the bottom cross beam; the transverse section size of the bottom longitudinal beam end reinforcing piece is matched with that of the bottom longitudinal beam.
Preferably, the height of the part of the top surface of the vertex angle piece, which exceeds the top surface of the top longitudinal beam end reinforcing piece, is greater than or equal to the thickness of the horizontal connecting plate.
Preferably, the thickness of the first limiting block is 5mm to 10mm; the length of the first operating column is more than or equal to 50mm; the thickness of the second limiting block is 5mm to 10mm; the length of the second operating column is more than or equal to 50mm.
Preferably, the adapter plate section is in a right triangle shape, one right-angle side of the adapter plate section is connected with the side edge of the corresponding side of the middle connecting plate section in a splicing manner, and the other right-angle side of the adapter plate section is connected with the end connecting plate section of the corresponding side in a splicing manner; and a notch penetrating through the vertex angle piece is formed at the right-angle part of the adapter plate section and the corner close to the vertex angle piece.
A construction method of a magnetic suction connecting structure for a modular steel structure integrated building comprises the following steps.
Step one, a lower magnetic attraction device and an upper magnetic attraction device are processed.
And step two, processing the top corner piece and the bottom corner piece, arranging the lower magnetic attraction device in the top corner piece, and arranging the upper magnetic attraction device in the bottom corner piece.
And step three, welding a vertex angle piece at the top of the lower upright column, connecting the top cross beam with the vertex angle piece through a top cross beam end reinforcing piece, and connecting the top longitudinal beam with the vertex angle piece through a top longitudinal beam end reinforcing piece, so as to gradually complete the manufacture of the lower-layer steel structure module.
And step four, welding a bottom corner piece at the bottom of the upper upright column, connecting the bottom cross beam with the bottom corner piece through a bottom cross beam end reinforcing piece, and connecting the bottom longitudinal beam with the bottom corner piece through a bottom longitudinal beam end reinforcing piece to gradually complete the manufacture of the upper layer steel structure module.
And step five, mounting a support frame in a second mounting hole on the bottom corner piece.
Step six, a crowbar is used for prying the second operation column by taking the support frame as a fulcrum, the upper magnetic suction device is pried away from the bottom plate of the bottom corner piece, and a cushion block is arranged between the bottom of the second operation column and the lower side wall of the second strip-shaped hole in a cushioning mode, so that the upper magnetic suction device and the bottom corner piece are kept in a separated state; the support frame is then removed.
And step seven, hoisting the lower-layer steel structure module, and then installing a horizontal connecting plate, a first shear-resistant positioning cone and a second shear-resistant positioning cone.
And step eight, hoisting the upper steel structure module.
After the upper steel structure module is in place, lifting the first operating column to enable the lower magnetic suction device to complete adsorption with the corner piece; simultaneously, remove the cushion and the support frame of second operation column bottom, make on the magnetism inhale the device whereabouts, accomplish with the base angle spare and adsorb, and then accomplish the vertical of upper steel structure module and lower floor's steel structure module and be connected.
Preferably, the supporting frame comprises a horizontal supporting plate and a supporting rod; the width of the horizontal supporting plate is adapted to the distance between the two second mounting holes; the two support rods are respectively connected with the left side and the right side of the horizontal support plate, and the inner ends of the support rods exceed the inner side edge of the horizontal support plate; the part of the support rod, which exceeds the horizontal support plate, is inserted into the second mounting hole; the bottom of the supporting rod is correspondingly connected with a vertical supporting plate; the inner side edge of the vertical supporting plate is attached to the bottom corner piece.
Preferably, when the modular steel structure integrated building is disassembled, firstly, a support frame is installed in the second installation hole to serve as a fulcrum of a crowbar, the end part of the crowbar abuts against the second operation column, the upper magnetic attraction device is pried away from the bottom plate of the bottom corner piece, and then the cushion block is plugged into the second strip-shaped hole to prevent the upper magnetic attraction device from falling; the supporting frame in the second mounting hole is taken off, the supporting frame is mounted in the first mounting hole and serves as a fulcrum of the crowbar, the end part of the crowbar abuts against the first operating column, and the lower magnetic suction device is pried away from the top plate of the corner piece to enable the lower magnetic suction device to fall; and after the upper magnetic attraction device is separated from the bottom corner piece and the lower magnetic attraction device is separated from the top corner piece, the upper steel structure module is sequentially detached.
Compared with the prior art, the invention has the following characteristics and beneficial effects.
1. The magnetic suction connecting structure for the modularized steel structure integrated building comprises two adjacent lower-layer steel structure modules, two adjacent upper-layer steel structure modules, a top corner piece, a bottom corner piece, a lower magnetic suction device, an upper magnetic suction device, a horizontal connecting plate and a shear-resistant positioning cone; the lower magnetic attraction device is positioned in the top corner piece of the lower layer, and the upper magnetic attraction device is positioned in the bottom corner piece of the upper layer; the upper layer steel structure module and the lower layer steel structure module are connected through the magnetic attraction device inside the corner fitting, and the steel structure modules adjacent to each other are mainly connected with the shear-resistant positioning cone through the horizontal connecting plate. The design form of the magnetic suction connecting structure for the modularized steel structure integrated building avoids the inconvenience brought to field construction due to the precision problem, simplifies the connecting operation between steel structure modules, greatly improves the field installation efficiency, reduces the inconvenience brought to field installation due to processing errors and installation errors, simultaneously facilitates the disassembly of the building, and is particularly suitable for emergency buildings with disassembly and assembly requirements.
2. The steel structure modules adjacent to each other on the same layer are connected by virtue of the horizontal connecting plate and the shear-resistant positioning cone; the top surface of the apex angle piece of lower floor's steel construction module exceeds the top surface h of a crossbeam end reinforcement and a top longitudinal reinforcement respectively, and h more than or equal to the thickness of horizontally connected plates, horizontally connected plates distribute the top of the top crossbeam end reinforcement and the top longitudinal reinforcement outside the apex angle range so that make apex angle piece and base angle piece in close contact with, thereby reinforcing magnetism inhales the effect.
3. The top beam end reinforcing piece and the top longitudinal beam end reinforcing piece are respectively provided with a first jack and a second jack, the bottom beam end reinforcing piece and the bottom longitudinal beam end reinforcing piece are respectively provided with a third jack and a fourth jack, and the jacks are in up-and-down correspondence; positioning holes need to be formed in corresponding positions of the horizontal connecting plates, and the shear-resistant positioning cone is vertically inserted into the positioning holes of the horizontal connecting plates and the insertion holes of the beam-end reinforcing pieces; the horizontal shearing resistance of the upper and lower steel structure modules is mainly provided by the pin bolt action of the shearing resistance positioning cone and the friction action of the beam end reinforcing part and the horizontal connecting plate; the invention has simple structure, convenient construction and reasonable structural stress.
4. When the magnetic suction connecting structure for the modularized steel structure integrated building is constructed, the lower magnetic suction device is adjusted in place, the horizontal connecting plate, the first shear-resistant positioning cone and the second shear-resistant positioning cone are installed at the tops of the two lower-layer steel structure modules, and then the two upper-layer steel structure modules are hoisted; meanwhile, the second operating column and the first operating column are designed to exceed the outer sides of the corresponding corner fittings, so that a constructor can conveniently stand on the top of the lower-layer steel structure module to operate, an external scaffold is not required to be supported, the construction cost is reduced, the working strength is reduced, and the construction efficiency is improved.
Drawings
The present invention will be described in further detail with reference to the accompanying drawings.
Fig. 1 is a schematic structural view of a magnetic attraction connecting structure for a modular steel structure integrated building according to the present invention.
Fig. 2 is an exploded view of the magnetic attraction connecting structure for the modular steel structure integrated building of the present invention.
Fig. 3 is a schematic view of the construction of the bottom corner fitting of the present invention.
FIG. 4 is a schematic view of the upper magnetic attraction device of the present invention.
Fig. 5 is a schematic view of the structure of the upper magnet in the present invention.
Fig. 6 is a schematic structural view of the lower protective cover of the present invention.
Fig. 7 is a schematic view of the structure of the lower magnet in the present invention.
Fig. 8 is a schematic view of the construction of the corner fitting of the present invention.
Fig. 9 is a schematic structural view of the bottom corner fitting of the present invention with a support bracket mounted thereon.
FIG. 10 is a schematic view of the structure of the bottom corner fitting of the present invention with the spacer mounted thereon.
Fig. 11 is a schematic structural view of a horizontal connecting plate in the present invention.
Fig. 12 is a schematic structural view of the support frame of the present invention.
Fig. 13 is a schematic structural view of the upper steel structure module according to the present invention.
Reference numerals: 1-lower layer steel structure module, 1.1-lower upright post, 1.2-top cross beam, 1.3-top longitudinal beam, 1.4-top angle piece, 1.5-top cross beam end reinforcement piece, 1.6-top longitudinal beam end reinforcement piece, 2-upper layer steel structure module, 2.1-upper upright post, 2.2-bottom cross beam, 2.3-bottom longitudinal beam, 2.4-bottom angle piece, 2.5-bottom cross beam end reinforcement piece, 2.6-bottom longitudinal beam end reinforcement piece, 3-first strip-shaped hole, 4-first mounting hole, 5-first jack, 6-second jack, 7-second strip-shaped hole, 8-second mounting hole, 9-third jack, 10-fourth jack, 11-lower magnetic attraction device 11.1-lower magnet, 11.2-lower protective cover, 11.2.1-first operating column, 11.2.2-first limiting block, 12-upper magnetic attraction device, 12.1-upper magnet, 12.2-upper protective cover, 12.2.1-second operating column, 12.2.2-second limiting block, 13-horizontal connecting plate, 13.1-middle connecting plate, 13.2-end connecting plate, 13.3-adapter plate, 14-first anti-shearing positioning cone, 15-second anti-shearing positioning cone, 16-first positioning hole, 17-second positioning hole, 18-notch, 19-cushion block, 20-supporting frame, 20.1-horizontal supporting plate, 20.2-supporting rod and 20.3-vertical supporting plate.
Detailed Description
As shown in fig. 1-13, the magnetic attraction connecting structure for the modular steel structure integrated building comprises a lower steel structure module 1 and an upper steel structure module 2; the number of the lower steel structure modules 1 is two, and the two lower steel structure modules are spliced and connected along the transverse direction; each lower steel structure module 1 comprises a lower upright post 1.1, a top cross beam 1.2, a top longitudinal beam 1.3 and a top corner piece 1.4; the two upper-layer steel structure modules 2 are correspondingly arranged at the top of the lower-layer steel structure module 1; the upper steel structure module 2 comprises an upper upright post 2.1, a bottom cross beam 2.2, a bottom longitudinal beam 2.3 and a bottom corner piece 2.4; the top corner piece 1.4 is of a rectangular three-dimensional structure and is connected to the top of the lower stand column 1.1, first strip-shaped holes 3 are respectively formed in the outer transverse side surface and the outer longitudinal side surface of the top corner piece 1.4, and first mounting holes 4 are respectively formed in the outer transverse side surface and the outer longitudinal side surface of the top corner piece 1.4 and located on two sides of the top of the first strip-shaped holes 3; the top beam 1.2 is connected with the top corner piece 1.4 through a top beam end reinforcing piece 1.5; the top beam end reinforcing piece 1.5 is of a rectangular three-dimensional structure, and the top surface of the top beam end reinforcing piece 1.5 is lower than the top surface of the top corner piece 1.4; first jacks 5 are arranged on the top surface of the top beam end reinforcing piece 1.5 at intervals along the transverse direction; the top longitudinal beam 1.3 is connected with the top corner piece 1.4 through a top longitudinal beam end reinforcing piece 1.6; the top longitudinal beam end reinforcing piece 1.6 is of a rectangular three-dimensional structure, and the top surface of the top longitudinal beam end reinforcing piece 1.6 is lower than the top surface of the top corner piece 1.4; a second jack 6 is arranged in the middle of the top surface of the top longitudinal beam end reinforcing piece 1.6;
the bottom corner piece 2.4 is of a rectangular three-dimensional structure and is connected to the bottom of the upper upright post 2.1, second strip-shaped holes 7 are respectively formed in the outer transverse side surface and the outer longitudinal side surface of the bottom corner piece 2.4, and second mounting holes 8 are respectively formed in the outer transverse side surface and the outer longitudinal side surface of the bottom corner piece 2.4 and located on two sides of the bottom of each second strip-shaped hole 7; the bottom beam 2.2 is connected with the bottom corner fitting 2.4 through a bottom beam end reinforcing part 2.5; the bottom beam end reinforcing piece 2.5 is of a rectangular three-dimensional structure, and the bottom surface of the bottom beam end reinforcing piece 2.5 is flush with the bottom surface of the bottom corner piece 2.4; third insertion holes 9 are arranged on the bottom surface of the bottom beam end reinforcing piece 2.5 at intervals along the transverse direction; the bottom longitudinal beam 2.3 is connected with the bottom corner piece 2.4 through a bottom longitudinal beam end reinforcing piece 2.6; the bottom longitudinal beam end reinforcing piece 2.6 is of a rectangular three-dimensional structure, and the bottom surface of the bottom longitudinal beam end reinforcing piece 2.6 is flush with the bottom surface of the bottom corner piece 2.4; a fourth jack 10 is arranged in the middle of the bottom surface of the bottom longitudinal beam end reinforcing piece 2.6;
the magnetic suction connecting structure also comprises a lower magnetic suction device 11, an upper magnetic suction device 12, a horizontal connecting plate 13, a first shear-resistant positioning cone 14 and a second shear-resistant positioning cone 15; the lower magnetic attraction device 11 is arranged in an inner cavity of the vertex angle piece 1.4 and comprises a lower magnet 11.1 and a lower protective cover 11.2; the lower protective cover 11.2 is of a hexahedral structure without a top surface; first operation columns 11.2.1 are respectively arranged on the outer transverse side surface and the outer longitudinal side surface of the lower protective cover 11.2 and at positions corresponding to the first strip-shaped holes 3; the first operating column 11.2.1 extends out of the outer side of the first strip-shaped hole 3; a first limiting block 11.2.2 is arranged in the middle of the inner transverse side surface, the inner longitudinal side surface and the bottom surface of the lower protective cover 11.2; the lower magnet 11.1 is arranged in the lower protective cover 11.2; the lower protective cover 11.2 is vertically adjustable in the corner piece 1.4 along the first strip-shaped hole 3;
the upper magnetic attraction device 12 is arranged in an inner cavity of the bottom corner piece 2.4 and comprises an upper magnet 12.1 and an upper protective cover 12.2; the upper protective cover 12.2 is of a hexahedral structure without a bottom surface; second operation columns 12.2.1 are respectively arranged on the outer transverse side surface and the outer longitudinal side surface of the upper protective cover 12.2 at positions corresponding to the second strip-shaped holes 7; the second operating column 12.2.1 extends out of the outer side of the second strip-shaped hole 7; a second limiting block 12.2.2 is arranged in the middle of the inner transverse side surface, the inner longitudinal side surface and the top surface of the upper protective cover 12.2; the upper magnet 12.1 is arranged in the upper protective cover 12.2; the upper protective cover 12.2 is vertically adjustable in the bottom corner piece 2.4 along the second strip-shaped hole 7;
the horizontal connecting plate 13 is arranged between the two lower-layer steel structure modules 1 and the two upper-layer steel structure modules 2; the horizontal connecting plate 13 comprises a middle connecting plate section 13.1, an end connecting plate section 13.2 and an adapter plate section 13.3; the middle connecting plate section 13.1 is laid on the tops of top longitudinal beam end reinforcements 1.6 of the two lower-layer steel structure modules 1; a second positioning hole 17 is formed in the position, corresponding to the second jack 6, on the plate surface of the middle connecting plate section 13.1; the two end connecting plate sections 13.2 are respectively arranged at two sides of the middle connecting plate section 13.1; the two end connecting plate sections 13.2 are respectively paved on the tops of the top beam end reinforcing parts 1.5 of the two lower-layer steel structure modules 1; a first positioning hole 16 is formed in the position, corresponding to the first jack 5, on the plate surface of the end connecting plate section 13.2; two adapter plate sections 13.3 are respectively connected between two sides of the middle connecting plate section 13.1 and the two end connecting plate sections 13.2; the first shear-resistant positioning cone 14 is correspondingly installed in the first positioning hole 16, the upper end of the first shear-resistant positioning cone 14 is inserted into the third insertion hole 9, and the lower end of the first shear-resistant positioning cone 14 is inserted into the first insertion hole 5; the second anti-shear positioning cone 15 is correspondingly installed in the second positioning hole 17, the upper end of the second anti-shear positioning cone 15 is inserted into the fourth insertion hole 10, and the lower end of the second anti-shear positioning cone 15 is inserted into the second insertion hole 6.
In this embodiment, the indoor one side that is close to the integrated building of modularization steel construction is the inboard, keeps away from the indoor one side of the integrated building of modularization steel construction and is the outside.
In this embodiment, the lower magnet 11.1 and the upper magnet 12.1 both use neodymium iron boron magnets.
In this embodiment, the lower protective cover 11.2 is made of a stainless steel material or a high-strength aluminum alloy material; the lower protective cover 11.2 is connected with the lower magnet 11.1 through a bolt; the upper protective cover 12.2 is made of stainless steel materials or high-strength aluminum alloy materials; the upper protective cover 12.2 is connected with the upper magnet 12.1 through a bolt.
In the embodiment, the top beam end reinforcing piece 1.5 is formed by welding steel plates; the top cross beam end reinforcing piece 1.5 is welded with the top cross beam 1.2; the top longitudinal beam end reinforcing piece 1.6 is formed by welding steel plates; the top longitudinal beam end reinforcing piece 1.6 is welded with the top longitudinal beam 1.3; the bottom cross beam end reinforcing piece 2.5 is formed by welding steel plates; the bottom cross beam end reinforcing piece 2.5 is welded with the bottom cross beam 2.2; the bottom longitudinal beam end reinforcing piece 2.6 is formed by welding steel plates; the bottom longitudinal beam end reinforcing part 2.6 is connected with the bottom longitudinal beam 2.3 in a welding mode.
In this embodiment, the size of the longitudinal section of the top beam end reinforcement 1.5 is adapted to the size of the longitudinal section of the top beam 1.2; the transverse section size of the top longitudinal beam end reinforcing part 1.6 is matched with that of the top longitudinal beam 1.3; the longitudinal section size of the bottom cross beam end reinforcing piece 2.5 is matched with the longitudinal section size of the bottom cross beam 2.2; the transverse section of the bottom longitudinal beam end reinforcement 2.6 is adapted to the transverse section of the bottom longitudinal beam 2.3.
In the embodiment, the thickness of the first limiting block 11.2.2 is 5mm to 10mm; the length of the first operating column 11.2.1 is more than or equal to 50mm; the thickness of the second limiting block 12.2.2 is 5mm to 10mm; the length of the second operating column 12.2.1 is greater than or equal to 50mm.
In this embodiment, the adapter plate section 13.3 is a right triangle, one right-angled side of the adapter plate section 13.3 is connected to the side edge of the corresponding side of the intermediate connecting plate section 13.1 in a splicing manner, and the other right-angled side of the adapter plate section 13.3 is connected to the end connecting plate section 13.2 of the corresponding side in a splicing manner; a notch 18 passing through the vertex angle piece 1.4 is arranged at the right-angle part of the adapter plate section 13.3 and the corner close to the vertex angle piece 1.4.
In this embodiment, the height of the top surface of the vertex angle piece 1.4 exceeding the top surface of the top longitudinal beam end reinforcement piece 1.6 is greater than or equal to the thickness of the horizontal connecting plate 13.
In this embodiment, the horizontal connecting plate 13 is formed by machining a whole steel plate.
The construction method of the magnetic suction connecting structure for the modular steel structure integrated building comprises the following steps.
Step one, a lower magnetic attraction device 11 and an upper magnetic attraction device 12 are processed.
And step two, processing the top corner piece 1.4 and the bottom corner piece 2.4, arranging the lower magnetic attraction device 11 in the top corner piece 1.4, and arranging the upper magnetic attraction device 12 in the bottom corner piece 2.4.
And step three, welding a vertex angle piece 1.4 on the top of the lower upright post 1.1, connecting the vertex beam 1.2 with the vertex angle piece 1.4 through a vertex beam end reinforcing piece 1.5, and connecting the vertex longitudinal beam 1.3 with the vertex angle piece 1.4 through a vertex longitudinal beam end reinforcing piece 1.6, so as to gradually complete the manufacture of the lower-layer steel structure module 1.
Fourthly, welding a bottom corner piece 2.4 at the bottom of the upper upright post 2.1, connecting the bottom cross beam 2.2 with the bottom corner piece 2.4 through a bottom cross beam end reinforcing piece 2.5, and connecting the bottom longitudinal beam 2.3 with the bottom corner piece 2.4 through a bottom longitudinal beam end reinforcing piece 2.6, and gradually finishing the manufacturing of the upper-layer steel structure module 2.
Step five, mounting a support frame 20 in a second mounting hole 8 on the bottom corner piece 2.4;
step six, a crowbar is used for prying the second operation column 12.2.1 by taking the support frame 20 as a fulcrum, the upper magnetic attraction device 12 is pried away from the bottom plate of the bottom corner piece 2.4, and then a cushion block 19 is arranged between the bottom of the second operation column 12.2.1 and the lower side wall of the second strip-shaped hole 7 in a cushioning mode, so that the upper magnetic attraction device 12 and the bottom corner piece 2.4 are kept in a separated state; then the support 20 is taken down;
hoisting the lower-layer steel structure module 1, and then installing a horizontal connecting plate 13, a first shear-resistant positioning cone 14 and a second shear-resistant positioning cone 15;
step eight, hoisting the upper steel structure module 2;
after the upper steel structure module 2 is in place, lifting the first operating column 11.2.1 to enable the lower magnetic attraction device 11 to complete adsorption with the corner ejecting piece 1.4; meanwhile, the cushion block 19 and the support frame 20 at the bottom of the second operating column 12.2.1 are removed, so that the upper magnetic attraction device 12 falls and is adsorbed by the bottom corner piece 2.4, and then the vertical connection between the upper steel structure module 2 and the lower steel structure module 1 is completed.
In this embodiment, the supporting frame 20 includes a horizontal supporting plate 20.1 and a supporting rod 20.2; the width of the horizontal support plate 20.1 is adapted to the distance between the two second mounting holes 8; the two support rods 20.2 are respectively connected with the left side and the right side of the horizontal support plate 20.1, and the inner ends of the support rods 20.2 exceed the inner side edges of the horizontal support plate 20.1; the part of the support rod 20.2 exceeding the horizontal support plate 20.1 is inserted into the second mounting hole 8; the bottom of the supporting rod 20.2 is correspondingly connected with a vertical supporting plate 20.3; the inner side edge of the vertical supporting plate 20.3 is attached to the bottom corner piece 2.4.
In this embodiment, when the modular steel structure integrated building is disassembled, the support frame 20 is installed in the second installation hole 8 as a fulcrum of the crowbar, the end of the crowbar abuts against the second operation column 12.2.1, the upper magnetic attraction device 12 is pried away from the bottom plate of the bottom corner fitting 2.4, and then the cushion block 19 is plugged into the second strip-shaped hole 7 to prevent the upper magnetic attraction device 12 from falling; the supporting frame 20 in the second mounting hole 8 is taken off, the supporting frame 20 is mounted in the first mounting hole 4 to serve as a fulcrum of a crowbar, the end part of the crowbar is used for propping against the first operating column 11.2.1, and the lower magnetic attraction device 11 is pried away from a top plate of the corner piece 1.4, so that the lower magnetic attraction device 11 falls; and after the upper magnetic attraction device 12 is separated from the bottom corner piece 2.4 and the lower magnetic attraction device 11 is separated from the top corner piece 1.4, the upper-layer steel structure module 2 is sequentially detached.
In this embodiment, the horizontal section size of the vertex angle piece 1.4 is larger than that of the lower upright post 1.1, the outer transverse side surface of the vertex angle piece 1.4 is vertically aligned with the outer transverse side surface of the lower upright post 1.1, and the outer longitudinal side surface of the vertex angle piece 1.4 is vertically aligned with the outer longitudinal side surface of the lower upright post 1.1; the longitudinal section size of the top corner piece 1.4 is larger than that of the top cross beam 1.2, and the outer transverse side of the top corner piece 1.4 is aligned with the outer transverse side of the top cross beam 1.2; the transverse section dimension of the corner piece 1.4 is greater than the transverse section dimension of the top longitudinal beam 1.3, and the outer longitudinal side of the corner piece 1.4 is aligned with the outer longitudinal side of the top longitudinal beam 1.3.
In this embodiment, the horizontal section size of the bottom corner fitting 2.4 is greater than the horizontal section size of the upper column 2.1, the outer lateral surface of the bottom corner fitting 2.4 is vertically aligned with the outer lateral surface of the upper column 2.1, and the outer longitudinal side surface of the bottom corner fitting 2.4 is vertically aligned with the outer longitudinal side surface of the upper column 2.1; the longitudinal section size of the bottom corner fitting 2.4 is larger than that of the bottom cross beam 2.2, the outer transverse side surface of the bottom corner fitting 2.4 is aligned with the outer transverse side surface of the bottom cross beam 2.2, and the bottom surface of the bottom corner fitting 2.4 is flush with the bottom surface of the bottom cross beam 2.2; the transverse section dimension of the bottom corner fitting 2.4 is greater than the transverse section dimension of the bottom longitudinal beam 2.3, the outer longitudinal side face of the bottom corner fitting 2.4 is aligned with the outer longitudinal side face of the bottom longitudinal beam 2.3, and the bottom face of the bottom corner fitting 2.4 is flush with the bottom face of the bottom longitudinal beam 2.3.
In this embodiment, when the integrated building of modularization steel construction was dismantled, utilize first operation post 11.2.1 to make down magnetism inhale device 11 and break away from apex angle spare 1.4 by the adsorption face, second operation post 12.2.1 makes on magnetism inhale device 12 and break away from base angle spare 2.4 by the adsorption face simultaneously. The bottom corner fittings 2.4 of the upper steel structure module 2 are taken as an example. During the operation, insert the backup pad 20 in the second mounting hole 8 on the bottom corner fitting 2.4 earlier, second operation post 12.2.1 uses backup pad 20 as the strong point, utilizes the crow bar tip to support second operation post 12.2.1, can prize last magnetism device 12 off the adsorbed face of bottom corner fitting 2.4, packs the below clearance of second operation post 12.2.1 into cushion 19 afterwards, withstands last magnetism device 12 to prevent last magnetism device 12 gliding, adsorb bottom corner fitting 2.4 again.
In this embodiment, the upper magnet 12.1 and the lower magnet 11.1 have opposite polarities, and they can attract the bottom corner piece 2.4 and the top corner piece 1.4 together through two layers of steel plates; when the corresponding corner fittings on the lower steel structure module 1 and the upper steel structure module 2 are sucked together, the vertical connection between the lower steel structure module 1 and the upper steel structure module 2 is realized.
In this embodiment, an upper protective cover 12.2 is disposed outside the upper magnet 12.1, and a lower protective cover 11.2 is disposed outside the lower magnet 11.1 to shield the magnetism of the magnet in the corresponding direction and protect the magnet.
The above-described embodiments are not intended to be exhaustive, and other embodiments are possible, and are intended to illustrate the present invention without limiting its scope, and all applications that can be derived from a simple modification of the present invention are intended to fall within the scope of the present invention.
Claims (10)
1. A magnetic suction connecting structure for a modularized steel structure integrated building comprises a lower layer steel structure module (1) and an upper layer steel structure module (2); the two lower steel structure modules (1) are spliced and connected along the transverse direction; each lower-layer steel structure module (1) comprises a lower upright post (1.1), a top cross beam (1.2), a top longitudinal beam (1.3) and a top corner piece (1.4); the two upper-layer steel structure modules (2) are correspondingly arranged at the top of the lower-layer steel structure module (1); the upper steel structure module (2) comprises an upper upright post (2.1), a bottom cross beam (2.2), a bottom longitudinal beam (2.3) and a bottom corner piece (2.4); the method is characterized in that:
the top corner piece (1.4) is of a rectangular three-dimensional structure and is connected to the top of the lower stand column (1.1), first strip-shaped holes (3) are respectively formed in the outer transverse side surface and the outer longitudinal side surface of the top corner piece (1.4), and first mounting holes (4) are respectively formed in the outer transverse side surface and the outer longitudinal side surface of the top corner piece (1.4) and located on two sides of the top of the first strip-shaped holes (3); the top beam (1.2) is connected with the top corner piece (1.4) through a top beam end reinforcing piece (1.5); the top beam end reinforcing piece (1.5) is of a rectangular three-dimensional structure, and the top surface of the top beam end reinforcing piece (1.5) is lower than the top surface of the top corner piece (1.4); first insertion holes (5) are arranged on the top surface of the top beam end reinforcing piece (1.5) at intervals along the transverse direction; the top longitudinal beam (1.3) is connected with the top corner piece (1.4) through a top longitudinal beam end reinforcing piece (1.6); the top longitudinal beam end reinforcing piece (1.6) is of a rectangular three-dimensional structure, and the top surface of the top longitudinal beam end reinforcing piece (1.6) is lower than the top surface of the top corner piece (1.4); a second jack (6) is arranged in the middle of the top surface of the top longitudinal beam end reinforcing piece (1.6);
the bottom corner piece (2.4) is of a rectangular three-dimensional structure and is connected to the bottom of the upper upright post (2.1), second strip-shaped holes (7) are respectively formed in the outer transverse side surface and the outer longitudinal side surface of the bottom corner piece (2.4), and second mounting holes (8) are respectively formed in the outer transverse side surface and the outer longitudinal side surface of the bottom corner piece (2.4) and positioned on two sides of the bottom of the second strip-shaped holes (7); the bottom cross beam (2.2) is connected with the bottom corner piece (2.4) through a bottom cross beam end reinforcing piece (2.5); the bottom cross beam end reinforcing piece (2.5) is of a rectangular three-dimensional structure, and the bottom surface of the bottom cross beam end reinforcing piece (2.5) is flush with the bottom surface of the bottom corner piece (2.4); third insertion holes (9) are arranged on the bottom surface of the bottom beam end reinforcing piece (2.5) at intervals along the transverse direction; the bottom longitudinal beam (2.3) is connected with the bottom corner piece (2.4) through a bottom longitudinal beam end reinforcing piece (2.6); the bottom longitudinal beam end reinforcing piece (2.6) is of a rectangular three-dimensional structure, the bottom surface of the bottom longitudinal beam end reinforcing piece (2.6) is flush with the bottom surface of the bottom corner piece (2.4), and a fourth insertion hole (10) is formed in the middle of the bottom surface of the bottom longitudinal beam end reinforcing piece (2.6);
the magnetic suction connecting structure also comprises a lower magnetic suction device (11), an upper magnetic suction device (12), a horizontal connecting plate (13), a first shear-resistant positioning cone (14) and a second shear-resistant positioning cone (15); the lower magnetic attraction device (11) is arranged in an inner cavity of the corner piece (1.4) and comprises a lower magnet (11.1) and a lower protective cover (11.2); the lower protective cover (11.2) is of a hexahedral structure without a top surface; first operating columns (11.2.1) are respectively arranged on the outer transverse side surface and the outer longitudinal side surface of the lower protective cover (11.2) and at positions corresponding to the first strip-shaped holes (3); the first operating column (11.2.1) extends out of the outer side of the first strip-shaped hole (3); a first limiting block (11.2.2) is arranged in the middle of the inner transverse side surface, the inner longitudinal side surface and the bottom surface of the lower protective cover (11.2); the lower magnet (11.1) is arranged in a lower protective cover (11.2); the lower protective cover (11.2) is vertically adjustable in the vertex angle piece (1.4) along the first strip-shaped hole (3);
the upper magnetic attraction device (12) is arranged in an inner cavity of the bottom corner piece (2.4) and comprises an upper magnet (12.1) and an upper protective cover (12.2); the upper protective cover (12.2) is of a hexahedral structure without a bottom surface; second operating columns (12.2.1) are respectively arranged on the outer transverse side surface and the outer longitudinal side surface of the upper protective cover (12.2) and at positions corresponding to the second strip-shaped holes (7); the second operating column (12.2.1) extends out of the outer side of the second strip-shaped hole (7); a second limiting block (12.2.2) is arranged in the middle of the inner transverse side surface, the inner longitudinal side surface and the top surface of the upper protective cover (12.2); the upper magnet (12.1) is mounted in an upper protective cover (12.2); the upper protective cover (12.2) is vertically adjustable in the bottom corner piece (2.4) along the second strip-shaped hole (7);
the horizontal connecting plate (13) is arranged between the two lower-layer steel structure modules (1) and the two upper-layer steel structure modules (2); the horizontal connecting plate (13) comprises a middle connecting plate section (13.1), an end connecting plate section (13.2) and an adapter plate section (13.3); the middle connecting plate section (13.1) is paved on the tops of top longitudinal beam end reinforcements (1.6) of the two lower steel structure modules (1); a second positioning hole (17) is formed in the position, corresponding to the second jack (6), on the plate surface of the middle connecting plate section (13.1); the two end connecting plate sections (13.2) are respectively arranged at two sides of the middle connecting plate section (13.1); the two end connecting plate sections (13.2) are respectively paved on the tops of the top beam end reinforcements (1.5) of the two lower-layer steel structure modules (1); a first positioning hole (16) is formed in the position, corresponding to the first jack (5), on the plate surface of the end connecting plate section (13.2); the two adapter plate sections (13.3) are respectively connected between two sides of the middle connecting plate section (13.1) and the two end connecting plate sections (13.2); the first shear-resistant positioning cone (14) is correspondingly installed in the first positioning hole (16), the upper end of the first shear-resistant positioning cone (14) is inserted into the third insertion hole (9), and the lower end of the first shear-resistant positioning cone (14) is inserted into the first insertion hole (5); the second anti-shearing positioning cone (15) is correspondingly installed in the second positioning hole (17), the upper end of the second anti-shearing positioning cone (15) is inserted into the fourth insertion hole (10), and the lower end of the second anti-shearing positioning cone (15) is inserted into the second insertion hole (6).
2. The magnetic attraction connecting structure for the modular steel structure integrated building as claimed in claim 1, wherein: the lower protective cover (11.2) is made of a stainless steel material or a high-strength aluminum alloy material; the lower protective cover (11.2) is connected with the lower magnet (11.1) through a bolt; the upper protective cover (12.2) is made of stainless steel materials or high-strength aluminum alloy materials; the upper protective cover (12.2) is connected with the upper magnet (12.1) through a bolt.
3. The magnetic suction connecting structure for the modular steel structure integrated building according to claim 1, characterized in that: the top cross beam end reinforcing piece (1.5) is formed by welding steel plates; the top cross beam end reinforcing piece (1.5) is welded with the top cross beam (1.2); the top longitudinal beam end reinforcing piece (1.6) is formed by welding steel plates; the top longitudinal beam end reinforcing piece (1.6) is connected with the top longitudinal beam (1.3) in a welding way; the bottom cross beam end reinforcing piece (2.5) is formed by welding steel plates; the bottom cross beam end reinforcing piece (2.5) is connected with the bottom cross beam (2.2) in a welding way; the bottom longitudinal beam end reinforcing piece (2.6) is formed by welding steel plates; the bottom longitudinal end reinforcement (2.6) is connected to the bottom longitudinal (2.3) by welding.
4. The magnetic attraction connecting structure for the modular steel structure integrated building as claimed in claim 1, wherein: the height of the part, exceeding the top surface of the top longitudinal beam end reinforcing piece (1.6), of the top surface of the top corner piece (1.4) is larger than or equal to the thickness of the horizontal connecting plate (13).
5. The magnetic attraction connecting structure for the modular steel structure integrated building as claimed in claim 1, wherein: the size of the longitudinal section of the top cross beam end reinforcing piece (1.5) is matched with that of the top cross beam (1.2); the transverse section size of the top longitudinal beam end reinforcing piece (1.6) is adapted to the transverse section size of the top longitudinal beam (1.3); the longitudinal section size of the bottom cross beam end reinforcing piece (2.5) is adapted to the longitudinal section size of the bottom cross beam (2.2); the transverse section size of the bottom longitudinal beam end reinforcing piece (2.6) is matched with that of the bottom longitudinal beam (2.3).
6. The magnetic attraction connecting structure for the modular steel structure integrated building as claimed in claim 1, wherein: the thickness of the first limiting block (11.2.2) is 5mm to 10mm; the length of the first operating column (11.2.1) is greater than or equal to 50mm; the thickness of the second limiting block (12.2.2) ranges from 5mm to 10mm; the length of the second operating column (12.2.1) is greater than or equal to 50mm.
7. The magnetic attraction connecting structure for the modular steel structure integrated building as claimed in claim 1, wherein: the adapter plate section (13.3) is in a right-angled triangle shape, one right-angled side of the adapter plate section (13.3) is connected with the side edge of the corresponding side of the middle connecting plate section (13.1) in a splicing manner, and the other right-angled side of the adapter plate section (13.3) is connected with the end connecting plate section (13.2) of the corresponding side in a splicing manner; a notch (18) penetrating through the vertex angle piece (1.4) is arranged at the right-angle part of the adapter plate section (13.3) and the corner close to the vertex angle piece (1.4).
8. A construction method of the magnetic suction connection structure for the modular steel structure integrated building as claimed in any one of claims 1 to 7, characterized by comprising the following steps:
firstly, processing a lower magnetic attraction device (11) and an upper magnetic attraction device (12);
step two, machining a top corner piece (1.4) and a bottom corner piece (2.4), arranging a lower magnetic attraction device (11) in the top corner piece (1.4), and arranging an upper magnetic attraction device (12) in the bottom corner piece (2.4);
thirdly, welding a vertex angle piece (1.4) at the top of the lower upright post (1.1), connecting a vertex beam (1.2) with the vertex angle piece (1.4) through a vertex beam end reinforcing piece (1.5), and connecting a vertex longitudinal beam (1.3) with the vertex angle piece (1.4) through a vertex longitudinal beam end reinforcing piece (1.6), so as to gradually complete the manufacture of the lower-layer steel structure module (1);
welding a bottom corner piece (2.4) at the bottom of the upper upright post (2.1), connecting the bottom cross beam (2.2) with the bottom corner piece (2.4) through a bottom cross beam end reinforcing piece (2.5), and connecting the bottom longitudinal beam (2.3) with the bottom corner piece (2.4) through a bottom longitudinal beam end reinforcing piece (2.6), so as to gradually finish the manufacturing of the upper steel structure module (2);
fifthly, mounting a support frame (20) in a second mounting hole (8) on the bottom corner piece (2.4);
step six, a crowbar is used for prying the second operation column (12.2.1) by taking the support frame (20) as a fulcrum, the upper magnetic attraction device (12) is pried away from the bottom plate of the bottom corner piece (2.4), and a cushion block (19) is arranged between the bottom of the second operation column (12.2.1) and the lower side wall of the second strip-shaped hole (7) in a cushioning mode, so that the upper magnetic attraction device (12) and the bottom corner piece (2.4) are kept in a separated state; then the supporting frame (20) is taken down;
hoisting the lower-layer steel structure module (1), and then installing a horizontal connecting plate (13), a first shear-resistant positioning cone (14) and a second shear-resistant positioning cone (15);
step eight, hoisting the upper steel structure module (2);
step nine, after the upper steel structure module (2) is in place, lifting the first operating column (11.2.1) to enable the lower magnetic attraction device (11) and the top corner piece (1.4) to complete adsorption; simultaneously, remove cushion (19) and support frame (20) of second operation post (12.2.1) bottom, make on inhale magnetism device (12) whereabouts, accomplish with base angle spare (2.4) and adsorb, and then accomplish the vertical connection of upper steel structure module (2) and lower floor steel structure module (1).
9. The construction method of the magnetic suction connecting structure for the modular steel structure integrated building according to claim 8, characterized in that: the supporting frame (20) comprises a horizontal supporting plate (20.1) and a supporting rod (20.2); the width of the horizontal supporting plate (20.1) is adapted to the distance between the two second mounting holes (8); the two support rods (20.2) are respectively connected with the left side and the right side of the horizontal support plate (20.1), and the inner ends of the support rods (20.2) exceed the inner side edge of the horizontal support plate (20.1); the part of the support rod (20.2) exceeding the horizontal support plate (20.1) is inserted into the second mounting hole (8); the bottom of the supporting rod (20.2) is correspondingly connected with a vertical supporting plate (20.3); the inner side edge of the vertical supporting plate (20.3) is attached to the bottom corner piece (2.4).
10. The construction method of the magnetic suction connecting structure for the modular steel structure integrated building according to claim 8, characterized in that: when the modularized steel structure integrated building is disassembled, firstly, a support frame (20) is installed in a second installation hole (8) to serve as a fulcrum of a crowbar, the end part of the crowbar is used for supporting a second operation column (12.2.1), an upper magnetic attraction device (12) is pried away from a bottom plate of a bottom corner piece (2.4), and then a cushion block (19) is plugged into a second strip-shaped hole (7) to prevent the upper magnetic attraction device (12) from falling; the supporting frame (20) in the second mounting hole (8) is taken off, the supporting frame (20) is mounted in the first mounting hole (4) and serves as a fulcrum of a crowbar, the end part of the crowbar abuts against the first operating column (11.2.1), the lower magnetic suction device (11) is pried away from a top plate of the vertex angle piece (1.4), and the lower magnetic suction device (11) falls; and after the upper magnetic attraction device (12) is separated from the bottom corner piece (2.4) and the lower magnetic attraction device (11) is separated from the top corner piece (1.4), the upper-layer steel structure module (2) is sequentially dismounted.
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