CN115288305A - Box structure with hinged top beam - Google Patents
Box structure with hinged top beam Download PDFInfo
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- CN115288305A CN115288305A CN202211058311.4A CN202211058311A CN115288305A CN 115288305 A CN115288305 A CN 115288305A CN 202211058311 A CN202211058311 A CN 202211058311A CN 115288305 A CN115288305 A CN 115288305A
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 137
- 239000010959 steel Substances 0.000 claims abstract description 137
- 238000007789 sealing Methods 0.000 claims description 55
- 238000003466 welding Methods 0.000 claims description 18
- 238000005452 bending Methods 0.000 abstract description 10
- 238000010276 construction Methods 0.000 description 8
- 238000000034 method Methods 0.000 description 5
- 238000009417 prefabrication Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 238000009435 building construction Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000008521 reorganization Effects 0.000 description 1
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Classifications
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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
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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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
- E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
- E04B1/3441—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts with articulated bar-shaped 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
- E04B1/38—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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- 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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2454—Connections between open and closed section profiles
Abstract
The invention discloses a box structure with a hinged top beam, which comprises a square steel pipe column, an H-shaped steel beam top beam and an H-shaped steel beam bottom beam, wherein the box structure with the hinged top beam is of a cuboid frame structure, a rigid connection node is connected between the end part of the H-shaped steel beam bottom beam and the lower end of the square steel pipe column, and the H-shaped steel beam top beam and the upper end of the square steel pipe column are connected through a hinge system. The connection of the invention adopts a hinged system, and the hinged system has the characteristic of rotation, so that the H-shaped steel beam top beam and the square steel pipe column can rotate to a certain degree around a rotating shaft of the hinged system, the bending moment distributed by the top beam is reduced, the top beam can be ensured not to provide bending rigidity, the structure can be designed according to the traditional frame structure, the design difficulty is reduced, the received bending moments are all positioned on the midspan section, the section size can be reduced and the clearance is increased without participating in the structural design.
Description
Technical Field
The invention relates to the technical field of constructional engineering, relates to the structure of prefabricated modules such as a small-sized modular steel structure prefabricated cabin, a container building, an emergency cabin and the like, and particularly relates to a box body structure with a hinged top beam.
Background
With the continuous development and optimization of the steel structure industry, the current assembly type box body modular structure is widely applied by virtue of the advantages of energy conservation, emission reduction and relatively fast construction progress. The modular building is a novel industrialized assembly type building and has the advantages of fast building construction, little pollution, easy cost control and the like. The application range of the modular box type house is wide abroad, the house system is less in application at present, and the modular box type house is mainly used for temporary houses such as construction sites and the like. And along with the design diversification and the abundant result of use of building, great load makes the back timber cross-section design that basic box structure corresponds bigger, influences the use experience. And traditional box building back timber and floorbar all carry out rigid connection through welding and post, because the existence of two roof beam structures, the box structure can not adopt traditional recurvation point method to design, so increased the design degree of difficulty. In addition, the rigid connection between the top beam and the column can increase the height of the cross section of the top beam and reduce the room clearance.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provides a box body structure with a hinged top beam.
In order to achieve the purpose, the invention adopts the technical scheme that:
the utility model provides a back timber articulated box structure, includes square steel tubular column, H shaped steel roof beam back timber and H shaped steel roof beam floorbar, back timber articulated box structure is a cuboid frame structure, is connected for rigid coupling node between the tip of H shaped steel roof beam floorbar and the lower extreme of square steel tubular column, connects through articulated system between the upper end of H shaped steel roof beam back timber and square steel tubular column.
Preferably, the hinge system comprises a beam connecting piece arranged at the end part of the H-shaped steel beam top beam and a column connecting piece arranged at the upper end of the square steel pipe column, the beam connecting piece is connected with the column connecting piece through a pin shaft, and the axis of the pin shaft is perpendicular to the axis of the H-shaped steel beam top beam and the axis of the square steel pipe column which are connected with the hinge system.
Preferably, the beam connecting piece comprises a groove-shaped sealing plate and a beam fastener, the shape of the groove-shaped sealing plate is integrally a U-shaped structure matched with the end face of the top beam of the H-shaped steel beam, the U-shaped structure is a right-angle U-shaped structure, the inner side surface of the upper wing edge and the inner side surface of the lower wing edge of the groove-shaped sealing plate are respectively attached to the upper surface of the upper flange and the lower surface of the lower flange of the top beam of the H-shaped steel beam, the upper wing edge of the groove-shaped sealing plate is connected with the upper flange of the top beam of the H-shaped steel beam through bolts, and the lower wing edge of the groove-shaped sealing plate is connected with the lower flange of the top beam of the H-shaped steel beam through bolts; the inner side surface of the bottom edge of the groove-shaped sealing plate is tightly attached to the upper flange, the lower flange and the end surface of the web plate of the top beam of the H-shaped steel beam;
the beam fastener is fixedly connected with the outer side face of the bottom edge of the groove-shaped sealing plate, and a through hole for the pin shaft to penetrate through is formed in the beam fastener.
Preferably, the inner side surface of the bottom edge of the groove-shaped sealing plate is connected with the web plate end surface of the H-shaped steel beam top beam in an equal-strength welding mode.
Preferably, the beam fastener is connected with the outer side face of the bottom edge of the groove-shaped sealing plate in an equal-strength mode through welding.
Preferably, the column connecting piece comprises a square sealing plate and a column fastening piece, the square sealing plate is fixedly connected with the side wall of the upper end of the square steel pipe column, the column fastening piece is fixedly connected with the square sealing plate, a through hole for the pin shaft to penetrate through is formed in the column fastening piece, and the column fastening piece is connected with the beam fastening piece through the pin shaft.
Preferably, the column fasteners comprise a first column fastener and a second column fastener which are arranged side by side, at an interval and symmetrically, the beam fasteners extend into gaps between the first column fastener and the second column fastener, and the beam fasteners are tightly attached to the first column fastener and the second column fastener.
Preferably, the square sealing plate is tightly attached to the side wall of the square steel pipe column and connected with the side wall of the square steel pipe column through a single-side bolt.
Preferably, the square sealing plate is connected with the column fastener in an equal strength mode through welding.
Preferably, the end face of the H-shaped steel beam bottom beam is connected with the side face of the lower end of the square steel pipe column through welding with equal strength.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the box body structure with the hinged top beam connects the top H-shaped steel beam with the square steel pipe column through the hinge system, and the connection mode is convenient to operate, fast in building construction and high in prefabrication degree. The parts are connected with each other at the positions of the nodes, so that the force transmission path is clear. The connection of the invention adopts a hinged system, and the hinged system has the characteristic of rotation, so that the H-shaped steel beam top beam and the square steel pipe column can rotate to a certain degree around a rotating shaft of the hinged system, the bending moment distributed by the top beam is reduced, the top beam can be ensured not to provide bending rigidity, the structure can be designed according to the traditional frame structure, the design difficulty is reduced, the received bending moments are all positioned on the midspan section, the section size can be reduced and the clearance is increased without participating in the structural design. The invention can achieve the purpose of reducing the height of the cross section of the top beam, increases the clearance of the use space in the structure and optimizes the use experience.
Drawings
FIG. 1 is a schematic perspective view of a box structure with hinged top beams according to the present invention;
FIG. 2 is a schematic view of a cap hinge joint of the present invention;
FIG. 3 is a schematic view of a beam connector of the present invention;
FIG. 4 is a schematic view of a column connector of the present invention;
in the drawing, 1 is a square steel pipe column, 2 is an H-shaped steel beam top beam, 3 is a beam connecting piece, 3-1 is a groove-shaped sealing plate, 3-2 is a beam fastening piece, 3-2-1 is a first through hole, 4 is a column connecting piece, 4-1 is a square sealing plate, 4-2 is a column fastening piece, 4-2-1 is a second through hole, 5 is a pin shaft, 6 is a high-strength bolt, 7 is a unilateral bolt, and 8 is an H-shaped steel beam bottom beam.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
Referring to fig. 1-4, the box structure with the hinged top beam comprises a square steel pipe column 1, an H-shaped steel beam top beam 2 and an H-shaped steel beam bottom beam 8, the box structure with the hinged top beam is a cuboid frame structure, the box structure with the hinged top beam is provided with 4 square steel pipe columns 1, 4H-shaped steel beam top beams 2 and 4H-shaped steel beam bottom beams 8,4 square steel pipe columns 1 serve as 4 longitudinal edges of the cuboid frame structure, 4H-shaped steel beam top beams 2 serve as four edges of the upper surface of the cuboid frame structure, and 4H-shaped steel beam bottom beams 8 serve as four edges of the lower surface of the cuboid frame structure. The end part of the H-shaped steel beam bottom beam 8 is connected with the lower end of the square steel pipe column 1 to form a rigid joint, the end face of the H-shaped steel beam bottom beam 8 and the side face of the lower end of the square steel pipe column 1 can be in equal-strength connection through welding to form a rigid joint, the H-shaped steel beam bottom beam 8 is connected with the side face of the lower end of the square steel pipe column 1 through equal-strength welding to form a rigid joint, and large bending moment can be shared; the H-shaped steel beam top beam 2 is rotatably connected with the upper end of the square steel pipe column 1 through a hinge system.
The hinge system adopted by the invention comprises a beam connecting piece 3 arranged at the end part of an H-shaped steel beam top beam 2 and a column connecting piece 4 arranged at the upper end of a square steel pipe column 1, wherein the beam connecting piece 3 is connected with the column connecting piece 4 through a pin shaft 5, and by taking one connecting node as an example (the connecting point of the pin shaft 5 can be seen at the lower left corner in figure 1), the axis of the pin shaft 5 is vertical to the axes of the H-shaped steel beam top beam 2 and the square steel pipe column 1 which are connected with the hinge system.
Referring to fig. 2 and 3, the beam connector 3 of the present invention includes a groove-shaped sealing plate 3-1 and a beam fastener 3-2, the groove-shaped sealing plate 3-1 is a U-shaped structure that is adapted to the end surface of the H-shaped steel beam top beam 2 as a whole, the U-shaped structure is a right-angled U-shaped structure (i.e., the wing edges of the U-shaped structure are perpendicular to the bottom edge and the corner is a right angle), the inner side surface of the upper wing edge and the inner side surface of the lower wing edge of the groove-shaped sealing plate 3-1 are respectively attached to the upper surface of the upper flange and the lower surface of the lower flange of the H-shaped steel beam top beam 2, the upper wing edge of the groove-shaped sealing plate 3-1 is connected to the upper flange of the H-shaped steel beam top beam 2 by a bolt, the bolt may employ a high-strength bolt 6, and the lower wing edge of the groove-shaped sealing plate 3-1 is connected to the lower flange of the H-shaped steel beam top beam 2 by a bolt, the bolt may employ a high-strength bolt 6; the inner side surface of the bottom edge of the groove-shaped sealing plate 3-1 is tightly attached to the end surfaces of the upper flange, the lower flange and the web plate of the H-shaped steel beam top beam 2; the inner side face of the bottom edge of the groove-shaped sealing plate 3-1 can be connected with the web plate end face of the H-shaped steel beam top beam 2 in an equal-strength welding mode, so that the connection strength between the groove-shaped sealing plate 3-1 and the H-shaped steel beam top beam 2 is improved. The beam fastener 3-2 is fixedly connected with the outer side surface of the bottom edge of the groove-shaped sealing plate 3-1 in a mode that: the beam fastener 3-2 is connected with the outer side surface of the bottom edge of the groove-shaped sealing plate 3-1 in an equal strength mode through welding. The beam fastening piece 3-2 is provided with a through hole for the pin shaft 5 to pass through, and the through hole is marked as a first through hole 3-2-1. The beam connecting piece 3 and the H-shaped steel beam top beam 2 can be directly prefabricated and connected in a factory, so that the rapid construction on site is facilitated.
Referring to fig. 2 and 4, the column connector 4 of the present invention includes a square sealing plate 4-1 and a column fastener 4-2, the square sealing plate 4-1 is fixedly connected to the upper end side wall of the square steel pipe column 1, and the fixed connection between the square sealing plate 4-1 and the upper end side wall of the square steel pipe column 1 may be performed in the following manner: the square sealing plate 4-1 is tightly attached to the side wall of the square steel pipe column 1 and connected through the unilateral bolt 7, the connection mode is convenient for on-site rapid assembly or factory prefabricated assembly, and the structure is simple and reliable; the column fastening piece 4-2 is fixedly connected with the square sealing plate 4-1, and the square sealing plate 4-1 and the column fastening piece 4-2 can be connected with each other by welding with equal strength; the post fastener 4-2 is provided with a through hole for the pin 5 to pass through, and the through hole is marked as a second through hole 4-2-1. The column fastener 4-2 and the beam fastener 3-2 are connected through a pin 5 passing through the second through hole 4-2-1 and the first through hole 3-2-1.
The articulated system of the invention can reduce the cross section of the top beam and increase the use clearance height. According to the invention, the groove-shaped sealing plate 3-1 is tightly attached to the side wall of the H-shaped steel beam top beam 2, and the square sealing plate 4-1 is tightly attached to the side wall of the square steel pipe column 1, so that the beam column can be ensured to have better integrity. In the scheme, the width of the groove-shaped sealing plate 3-1 is not larger than the width of the flange of the H-shaped steel beam top beam 2, and the width of the square sealing plate 4-1 is not larger than the width of the top square steel pipe column 1, so that good contact in the process of splicing a plurality of box-shaped structures is ensured.
As a preferred embodiment of the present invention, the column fasteners include first column fasteners and second column fasteners which are arranged side by side, spaced, and symmetrically, and the first column fasteners and the second column fasteners have the same structure, and the first column fasteners (in fig. 2, the column fastener 4-2 located at the upper left corner of the column connector 4) and the second column fasteners (in fig. 2, the column fastener 4-2 located at the lower right corner of the column connector 4) are welded to the square closing plate 4-1, as shown in fig. 1 and 2, the beam fastener 3-2 extends into the gap between the first column fastener and the second column fastener, the beam fastener 3-2 is arranged in front and back (in fig. 2, along the direction of the axis of the pin 5, the side of the large end of the pin is defined as front, and the side of the small end of the pin is defined as back), and both side surfaces of the beam fastener are closely attached to the front side surface of the first column fastener and the back side surface of the second column fastener, and the pin 5 passes through holes 4-2-1 of the two column fasteners 4-2 and the first through holes 3-2-1 of the beam fastener 3-2 and is fastened in place.
In the scheme of the invention, the member and the connecting piece can be prefabricated in a factory, and the prefabrication rate is high. And before connection, the connecting piece modules are installed in place, then the beam-column modules are hoisted and installed with bolts, the lower steel structure beam-column modules are hoisted and installed on site, and the upper beam-column connecting pieces are butted and provided with pin shafts. The clearance fit between the component and the connecting piece can be ensured by utilizing the machined plug-in, and the installation quality is ensured. The reliable connection of component and connecting piece can be realized through above measure, the operating space that needs is little, and node simple structure can realize quick construction to this structure can be disassembled, can reorganization, but cyclic utilization, has good mechanical properties, can reduce the back timber cross-section simultaneously, increases and uses the headroom, improves use comfort.
The construction method of the box body structure with the hinged top beam comprises the following processes;
in a factory, the H-shaped steel beam bottom beam 8 is connected with the square steel pipe column 1 through equal-strength welding.
And fixing the column connecting piece 4 on the square steel pipe column 1 through the unilateral bolt 7 on site, and then installing the integral structure of the square steel pipe column 1 and the H-shaped steel beam top beam 2.
And then fixing the beam connecting piece 3 on the top beam 2 of the H-shaped steel beam through a high-strength bolt 6, connecting and aligning the beam connecting piece 3 and the column connecting piece through hoisting, and tightly attaching and then fastening by using a pin shaft 5.
Connecting the top beam 2 and the bottom beam 8 corresponding to the rest of the H-shaped steel beams with the square steel pipe column 1 in the same step; and (5) finishing construction.
Examples
The box body structure with the hinged top beam comprises a square steel pipe column 1, an H-shaped steel beam top beam 2, a beam connecting piece 3, a column connecting piece 4, a pin shaft 5, a high-strength bolt 6, a single-side bolt 7 and an H-shaped steel beam bottom beam 8. The beam connecting piece 3 comprises a groove-shaped sealing plate 3-1 and a beam fastening piece 3-2; the beam fasteners 3-2 are welded on the groove-shaped close plates 3-1. The column connecting piece 4 comprises a square sealing plate 4-1 and a column fastening piece 4-2; the column fasteners 4-2 are welded on the square closing plates 4-1. The beam connecting piece 3 is fixed on the H-shaped steel beam top beam 2 through a high-strength bolt 6, and the column connecting piece 4 is fixed on the square steel pipe column 1 through a unilateral bolt 7. The beam connecting piece 3 and the column connecting piece 4 are connected through a pin shaft 5 after being aligned by the beam fastening piece 3-1 and the column fastening piece 4-1. The H-shaped steel beam bottom beam 8 is connected with the side face of the lower end of the square steel pipe column 1 through welding to form a rigid connection node. Referring to fig. 1-4, the groove-shaped sealing plate 3-1 is connected with the H-shaped steel beam top beam 2 through high-strength bolts 6, and the square sealing plate 4-1 is connected with the side wall of the square steel pipe column 1 through a unilateral bolt 7 in a clinging mode. Referring to fig. 1-4, the channel-shaped closing plate 3-1 and the beam fastener 3-2 are strongly connected together by welding or the like. The square sealing plate 4-1 and the column fastening piece 4-2 are connected together by welding and the like. Referring to fig. 1, 2 and 3, in the box structure, the beam ends of the top beams 2 of the H-shaped steel beams are connected with the beam connecting pieces 3 to form a top beam hinge system, so that the cross section of the top beam is reduced, and the use clearance height is increased. Referring to fig. 1-4, the groove-shaped sealing plate 3-1 is tightly attached to the side wall of the H-shaped steel beam top beam 2, and the square sealing plate 4-1 is tightly attached to the side wall of the square steel pipe column 1, so that the better integrity of the beam column is ensured. Referring to fig. 1, an h-shaped steel beam bottom beam 8 is connected with a square steel pipe column 1 through equal strength welding to form a rigid connection node so as to share a large bending moment. The width of the groove-shaped sealing plate 3-1 is not larger than the width of a flange of the H-shaped steel beam top beam 2, and the width of the square sealing plate 4-1 is not larger than the width of the square steel pipe column 1 at the top, so that good contact in the process of splicing a plurality of box-shaped structures is guaranteed. The beam connector 3 and the column connector 4 are tightly attached and fastened by a pin 5.
The construction method of the box body structure with the hinged top beam comprises the following steps,
s1: the beam connecting piece 3 and the column connecting piece 4 are prefabricated in a factory and provided with bolt holes, and the H-shaped steel beam top beam 2 and the square steel pipe column 1 are provided with bolt holes in the factory; in a factory, the H-shaped steel beam bottom beam 8 is connected with the square steel pipe column 1 through equal-strength welding.
S2: and fixing the column connecting piece 4 on the square steel pipe column 1 through a unilateral bolt 7 on site, and then installing the integral structure of the square steel pipe column 1 and the H-shaped steel beam top beam 2.
S3: and fixing the beam connecting piece 3 on the H-shaped steel beam top beam 2 through a high-strength bolt 6 on site, connecting and aligning the beam connecting piece 3 and the column connecting piece through hoisting, and tightly attaching and then fastening and connecting by using a pin shaft 5.
In the box body structure with the hinged top beam, the pin shaft is adopted for connection, and can rotate around the fixed shaft to a certain degree, so that the bending moment distributed by the top beam is reduced, and the bending moment is positioned on the midspan section. By using the hinged component, the purpose of reducing the height of the cross section of the top beam is achieved, the clearance of the use space in the structure is increased, and the use experience is optimized. On the beam column connecting piece part, all set up the locating plate (like cell type shrouding 3-1 and square shrouding 4-2), utilize the locating plate can realize the accurate positioning to each square steel tubular column and top H shaped steel roof beam, guarantee the connection accuracy of whole structure, reduce the internal stress that leads to because installation error. In the invention, the beam column connecting piece connected with the positioning base plate is inserted and connected seamlessly in the connecting process, so that the stability of the structure in use is ensured, and meanwhile, the connecting piece also plays a role in limiting and a role in a gasket, so that the normal work of the pin shaft is ensured. Meanwhile, the square steel pipe column, the H-shaped steel beam, the beam connecting piece and the column connecting piece can be prefabricated in a factory, the structure of the invention is generally divided into two large components, one is a basic integral structure, namely the beam column, and the other is a beam column connecting structure, so the variety of parts is less, and the prefabrication degree is high. The invention can also change the thickness of the component and the specification of the bolt aiming at different building use requirements so as to meet the corresponding earthquake-resistant requirement. In conclusion, the structure of the invention has the characteristics of simple structure, convenient construction, quick installation, greenness and energy conservation.
It can be seen that through the box structure with the hinged top beams, a structural form which is convenient to construct, high in prefabrication rate and capable of being recycled and guaranteeing flexible connection between steel structure modules is provided for modular steel structure building design.
Claims (10)
1. The utility model provides a top beam articulated box structure, its characterized in that, includes square steel tubular column (1), H shaped steel roof beam back timber (2) and H shaped steel roof beam floorbar (8), top beam articulated box structure is a cuboid frame structure, is connected for rigid connection node between the tip of H shaped steel roof beam floorbar (8) and the lower extreme of square steel tubular column (1), rotates through articulated system between the upper end of H shaped steel roof beam back timber (2) and square steel tubular column (1) and is connected.
2. The box structure with the hinged top beams as claimed in claim 1, wherein the hinged system comprises a beam connecting piece (3) arranged at the end part of the H-shaped steel beam top beam (2) and a column connecting piece (4) arranged at the upper end of the square steel pipe column (1), the beam connecting piece (3) is connected with the column connecting piece (4) through a pin shaft (5), and the axis of the pin shaft (5) is perpendicular to the axes of the H-shaped steel beam top beam (2) and the square steel pipe column (1) which are connected with the hinged system.
3. The box structure with the hinged top beams as claimed in claim 2, wherein the beam connecting piece (3) comprises a groove-shaped sealing plate (3-1) and a beam fastener (3-2), the shape of the groove-shaped sealing plate (3-1) is a U-shaped structure which is matched with the end face of the H-shaped steel beam top beam (2) on the whole, the U-shaped structure is a right-angle U-shaped structure, the inner side face of the upper wing edge and the inner side face of the lower wing edge of the groove-shaped sealing plate (3-1) are respectively attached to the upper surface of the upper flange and the lower surface of the lower flange of the H-shaped steel beam top beam (2), the upper wing edge of the groove-shaped sealing plate (3-1) is connected with the upper wing edge of the H-shaped steel beam top beam (2) through bolts, and the lower wing edge of the groove-shaped sealing plate (3-1) is connected with the lower flange of the H-shaped steel beam top beam (2) through bolts; the inner side surface of the bottom edge of the groove-shaped sealing plate (3-1) is tightly attached to the end surfaces of an upper flange, a lower flange and a web plate of the H-shaped steel beam top beam (2);
the beam fastener (3-2) is fixedly connected with the outer side face of the bottom edge of the groove-shaped sealing plate (3-1), and the beam fastener (3-2) is provided with a through hole for the pin shaft (5) to pass through.
4. The box structure with the hinged top beams as claimed in claim 3, wherein the inner side surface of the bottom edge of the groove-shaped closing plate (3-1) is connected with the end surface of the web plate of the top beam (2) of the H-shaped steel beam in an equal-strength welding mode.
5. A box structure with hinged top beam as claimed in claim 3, characterized in that the beam fastening member (3-2) is welded to the outer side of the bottom edge of the groove-shaped closing plate (3-1) with equal strength.
6. The box structure with the hinged top beam as claimed in claim 3, wherein the column connector (4) comprises a square sealing plate (4-1) and a column fastener (4-2), the square sealing plate (4-1) is fixedly connected with the side wall of the upper end of the square steel pipe column (1), the column fastener (4-2) is fixedly connected with the square sealing plate (4-1), the column fastener (4-2) is provided with a through hole for the pin shaft (5) to pass through, and the column fastener (4-2) is connected with the beam fastener (3-2) through the pin shaft (5).
7. A roof beam hinged box structure as claimed in claim 6, characterized in that the column fasteners comprise first and second column fasteners arranged side by side, spaced, symmetrically, the beam fastener (3-2) extending into the gap between the first and second column fasteners, the beam fastener (3-2) abutting the first and second column fasteners.
8. The box structure with the hinged top beam as claimed in claim 6, wherein the square closing plate (4-1) is tightly attached to the side wall of the square steel pipe column (1) and connected with the side wall of the square steel pipe column through a single-side bolt (7).
9. The box structure with hinged top beam as claimed in claim 6, wherein the square closing plate (4-1) is welded to the column fastener (4-2) with equal strength.
10. The box structure with the hinged top beams as claimed in claim 1, wherein the end surface of the H-shaped steel beam bottom beam (8) is connected with the side surface of the lower end of the square steel pipe column (1) with equal strength through welding.
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| CN202211058311.4A CN115288305A (en) | 2022-08-31 | 2022-08-31 | Box structure with hinged top beam |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211058311.4A CN115288305A (en) | 2022-08-31 | 2022-08-31 | Box structure with hinged top beam |
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