CN112854452B - Steel structure assembling unit for building - Google Patents
Steel structure assembling unit for building Download PDFInfo
- Publication number
- CN112854452B CN112854452B CN202110207570.8A CN202110207570A CN112854452B CN 112854452 B CN112854452 B CN 112854452B CN 202110207570 A CN202110207570 A CN 202110207570A CN 112854452 B CN112854452 B CN 112854452B
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- steel
- fixed
- beams
- block
- support
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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
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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
Abstract
The invention discloses a steel structure assembling unit for a building, and relates to the technical field of building construction. Fixed angle fast-assembling piece that is provided with on the surperficial both ends through the top panel, the fixed a plurality of fixed panels that are provided with on the surface of support girder steel, and the support girder steel is provided with four altogether, link to each other through the side fixed beam between per two, the side fixed beam is arranged in the slope between two support girder steels, the fixed main part girder steel that is provided with on two support girder steels, first screw hole and second screw hole have been seted up on the surface of main part girder steel, the cover is equipped with the cover roof beam on the surface of main part girder steel, the fixed supporting shoe that is provided with on the upside surface of cover beam, the fixed circular arc that is provided with of one end of supporting shoe limits the piece, it can not carry out fine firm fixed action, and because the length demand during the construction of building, angle when it is fixed is mostly changeable, traditional fixed structure angle is certain, can not change, influence the problem of construction progress.
Description
Technical Field
The invention relates to the technical field of constructional engineering, in particular to a constructional steel structure assembling unit.
Background
The construction is a production movement performed by people to construct various building products in a certain space and time according to a specific design blueprint by using various building materials and mechanical equipment. The method comprises the whole production process from construction preparation, earth breaking and engineering completion acceptance. In the process, construction preparation, construction organization design and management, earthwork engineering, blasting engineering, foundation engineering, reinforcing steel bar engineering, template engineering, scaffold engineering, concrete engineering, prestressed concrete engineering, masonry engineering, steel structure engineering, wood structure engineering, structure installation engineering and the like are carried out.
There is certain defect in traditional construction steel construction when using, and it can not carry out fine firm fixed action to because the length demand during the construction of building, the angle when it is fixed is mostly changeable, and traditional fixed knot constructs the angle certainly, can not change, influences the construction progress.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a steel structure assembling unit for buildings, which solves the problems that the steel structure assembling unit cannot perform a good stable fixing effect, the angle of the steel structure assembling unit during fixing is mostly changed due to the length requirement of the building during construction, and the construction progress is influenced because the angle of the traditional fixing structure is fixed and cannot be changed.
In order to achieve the purpose, the invention is realized by the following technical scheme: a steel structure assembling unit for construction comprises a support steel beam, an upper panel and a main body steel beam, wherein two ends of the surface of the upper panel are fixedly provided with angle quick-assembling blocks, the surface of the support steel beam is fixedly provided with a plurality of fixing panels, and the bracket steel beams are provided with four beams in total, every two beams are connected through a side fixing beam, the side fixing beam is obliquely arranged between the two bracket steel beams, the two bracket steel beams are fixedly provided with main body steel beams, the surface of the main body steel beam is provided with a first threaded hole and a second threaded hole, the surface of the main body steel beam is sleeved with a sleeve beam, a supporting block is fixedly arranged on the upper side surface of the sleeve beam, an arc limiting block is fixedly arranged at one end of the supporting block, the surface of the angle quick-assembly block is provided with a circular groove, and an upper limiting disc is arranged inside the angle quick-assembly block;
the arc limiting block is arranged in an annular groove on the angle quick-mounting block, the arc limiting block is matched with the annular groove, the diameter value of the outermost end of the arc limiting block is equal to the diameter value of the upper limiting disc, and the diameter value of the arc limiting block close to the outermost end is equal to the outer diameter value of the annular groove;
the supporting block is an L-shaped component, and the depth value of the arc limiting block on the upper end of the supporting block is smaller than that of the angle quick-mounting block;
the first threaded holes and the second threaded holes are respectively formed in the middle of the main steel beam and on the bottom surface of the main steel beam, and the sleeve beam is connected with the fastening nuts and the fastening screws in a fastening mode through the first threaded holes in the main steel beam;
the fixed block that is provided with on the upper end lateral wall surface of support girder steel, the fixed floor that is provided with in dog-ear department of fixed block and support girder steel, the fixed block passes through the second screw hole on the main part girder steel and links to each other with fastening nut and fastening screw fastening.
As a further scheme of the invention: the side fixed beams are arranged in a plurality, and the distance value between every two side fixed beams is equal.
As a further scheme of the invention: the installation and placement method comprises the following steps:
step S1: performing related work according to engineering conditions, preparing a workpiece, assembling related components of the support steel beam and the upper panel, assembling fixed blocks, fastening nuts and fastening screws on the support steel beams at two ends of the main steel beam in a combined manner, correspondingly adjusting the support steel beams at two ends of the main steel beam according to use conditions, correspondingly installing the support steel beams according to second threaded holes in the bottom of the main steel beam, fixing the support steel beams at two ends of the main steel beam by using the fastening nuts and the fastening screws according to use conditions, and then performing auxiliary fixing on the two support steel beams through side fixing beams;
step S2: before the installation, will overlap the roof beam and install on the surface of main part girder steel, utilize fastening nut and fastening screw to fix simultaneously, in the ring groove of circular arc restriction piece card on angle fast-assembling piece after confirming the position, two angle fast-assembling piece fixed joint on the top panel are at circular arc restriction piece, rotate according to the in service installation condition, fix the bottom of support girder steel after confirming the position, and the unit mount finishes, supplementary fixed completion.
Advantageous effects
The invention provides a constructional steel structure assembling unit. Compared with the prior art, the method has the following beneficial effects:
1. a steel structure assembling unit for building is characterized in that two ends of the surface of an upper panel are fixedly provided with angle quick-assembling blocks, the surface of a support steel beam is fixedly provided with a plurality of fixing panels, the support steel beams are provided with four support steel beams in total, every two support steel beams are connected through a side fixing beam, the side fixing beams are obliquely arranged between the two support steel beams, the two support steel beams are fixedly provided with main body steel beams, the surface of each main body steel beam is provided with a first threaded hole and a second threaded hole, the surface of each main body steel beam is sleeved with a sleeve beam, the upper side surface of the sleeve beam is fixedly provided with a supporting block, one end of each supporting block is fixedly provided with an arc limiting block, the surface of each angle quick-assembling block is provided with a circular groove, and the inside of each angle quick-assembling block is provided with an upper limiting disc, so that the steel structure assembling unit can not perform good stable fixing effect and is realized, and the length requirement of the building is met, the angle when it is fixed is mostly changeable, and traditional fixed knot constructs the angle certain, can not change, influences the problem of construction progress.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the internal structure of the present invention;
FIG. 3 is a schematic bottom view of the present invention;
FIG. 4 is an enlarged view of the structure at A in FIG. 2;
fig. 5 is an enlarged view of the structure at B in fig. 3.
In the figure: 1. a bracket steel beam; 2. fixing the panel; 3. a side fixing beam; 4. an upper panel; 5. a main body steel beam; 6. an angle fast-assembling block; 7. a fixed block; 8. a rib plate; 9. fastening a nut; 10. fastening screws; 11. a first threaded hole; 12. a second threaded hole; 13. sleeving a beam; 14. a support block; 15. an arc limiting block; 16. a circular groove; 17. and an upper limiting disk.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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.
Referring to fig. 1-4, the present invention provides a technical solution: a steel structure assembling unit for buildings comprises support steel beams 1, an upper panel 4 and main steel beams 5, wherein two ends of the surface of the upper panel 4 are fixedly provided with angle quick-assembling blocks 6, the surface of each support steel beam 1 is fixedly provided with a plurality of fixing panels 2, the support steel beams 1 are provided with four support steel beams 1 in total, every two support steel beams are connected through a side fixing beam 3, the side fixing beams 3 are obliquely arranged between the two support steel beams 1, the two support steel beams 1 are fixedly provided with the main steel beams 5, the surface of each main steel beam 5 is provided with a first threaded hole 11 and a second threaded hole 12, the surface of each main steel beam 5 is sleeved with a sleeve beam 13, the upper surface of each sleeve beam 13 is fixedly provided with a supporting block 14, one end of each supporting block 14 is fixedly provided with an arc limiting block 15, and the surface of each angle quick-assembling block 6 is provided with an annular groove 16, an upper limiting disc 17 is arranged inside the angle quick-assembling block 6;
the arc limiting block 15 is arranged in an annular groove 16 on the angle quick-assembling block 6, the arc limiting block 15 is matched with the annular groove 16, the diameter value of the outermost end of the arc limiting block 15 is equal to that of an upper limiting circular disc 17, and the diameter value of the arc limiting block 15 close to the outermost end is equal to that of the annular groove 16;
the supporting block 14 is an L-shaped component, and the depth value of the arc limiting block 15 on the upper end of the supporting block 14 is smaller than that of the angle quick-mounting block 6;
the first threaded holes 11 and the second threaded holes 12 are respectively formed in the middle of the main steel beam 5 and on the bottom surface of the main steel beam 5, and the sleeve beam 13 is fixedly connected with the fastening nuts 9 and the fastening screws 10 through the first threaded holes 11 in the main steel beam 5;
the fixed block 7 that is provided with on the upper end lateral wall surface of support girder steel 1, the fixed floor 8 that is provided with of dog-ear department of fixed block 7 and support girder steel 1, fixed block 7 passes through second screw hole 12 on the main part girder steel 5 and links to each other with fastening nut 9 and fastening screw 10 fastening.
The side fixing beams 3 are provided with a plurality of side fixing beams, and the distance value between every two side fixing beams 3 is equal.
A steel structure assembling unit for construction comprises the following steps:
step S1: performing related work according to engineering conditions, preparing a workpiece, assembling related components of a support steel beam 1 and an upper panel 4, assembling a fixing block 7, a fastening nut 9 and a fastening screw 10 on the support steel beam 1 at two ends of a main steel beam 5 in a combined manner, correspondingly adjusting the support steel beam 1 at two ends of the main steel beam 5 according to use conditions, correspondingly installing the support steel beam 1 at two ends of the main steel beam 5 according to a second threaded hole 12 at the bottom of the main steel beam 5, fixing the support steel beam 1 at two ends of the main steel beam 5 by using the fastening nut 9 and the fastening screw 10 according to use conditions, and then performing auxiliary fixing on the two support steel beams 1 through a side fixing beam 3;
step S2: before the installation, will overlap roof beam 13 and install on main part girder steel 5's surface, utilize fastening nut 9 and fastening screw 10 to fix simultaneously, in the circular ring groove 16 of limiting piece 15 card on angle fast-assembling piece 6 with the circular arc after confirming the position, two angle fast-assembling pieces 6 on upper panel 4 are fixed the joint at circular arc limiting piece 15, rotate according to the use installation, fix the bottom of support girder steel 1 after confirming the position, the unit mount is ended, supplementary fixed completion.
When the invention is used, relevant work is carried out according to engineering conditions, a workpiece is prepared, components related to a support steel beam 1 and an upper panel 4 are assembled, fixing blocks 7, fastening nuts 9 and fastening screws 10 on the support steel beams 1 at two ends of a main steel beam 5 are assembled in a combined mode, the support steel beams 1 at two ends of the main steel beam 5 are correspondingly adjusted according to the using condition, the support steel beams 1 are correspondingly installed according to second threaded holes 12 at the bottom of the main steel beam 5, the support steel beams 1 at two ends of the main steel beam 5 are fixed according to the using condition by the fastening nuts 9 and the fastening screws 10, then the two support steel beams 1 are secondarily fixed through side fixing beams 3, before installation, a sleeve beam 13 is installed on the surface of the main steel beam 5, meanwhile, the fastening nuts 9 and the fastening screws 10 are used for fixing, after the position is determined, an arc limiting block 15 is clamped in an annular groove 16 on an angle block 6, two fixed joints of angle fast-assembling piece 6 on upper panel 4 are at circular arc restriction piece 15, rotate according to the use installation condition, fix the bottom of support girder steel 1 after confirming the position, and the unit mount is ended, supplementary fixed completion.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation and a specific orientation configuration and operation, and thus, should not be construed as limiting the present invention. Furthermore, "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
Claims (3)
1. The utility model provides a unit is assembled to steel construction for building, includes support girder steel (1), top panel (4) and main part girder steel (5), the fixed angle fast-assembling piece (6) that is provided with on the surperficial both ends of top panel (4), its characterized in that: a plurality of fixing panels (2) are fixedly arranged on the surface of the bracket steel beam (1), and the bracket steel beams (1) are provided with four beams in total, every two beams are connected through a side fixing beam (3), the side fixing beam (3) is obliquely arranged between the two bracket steel beams (1), the two bracket steel beams (1) are fixedly provided with a main body steel beam (5), a first threaded hole (11) and a second threaded hole (12) are formed in the surface of the main body steel beam (5), the surface of the main body steel beam (5) is sleeved with a sleeve beam (13), the upper side surface of the sleeve beam (13) is fixedly provided with a supporting block (14), one end of the supporting block (14) is fixedly provided with an arc limiting block (15), an annular groove (16) is formed in the surface of the angle quick-assembly block (6), and an upper limiting disc (17) is arranged inside the angle quick-assembly block (6);
the arc limiting block (15) is arranged in an annular groove (16) on the angle quick-assembling block (6), the arc limiting block (15) is matched with the annular groove (16), the diameter value of the outermost end of the arc limiting block (15) is equal to the diameter value of the upper limiting disc (17), and the diameter value of the arc limiting block (15) close to the outermost end is equal to the outer diameter value of the annular groove (16);
the supporting block (14) is an L-shaped component, and the depth value of the arc limiting block (15) on the upper end of the supporting block (14) is smaller than that of the angle quick-assembling block (6);
the first threaded holes (11) and the second threaded holes (12) are formed in the middle of the main steel beam (5) and on the surface of the bottom of the main steel beam (5), and the sleeve beam (13) is fixedly connected with the fastening nuts (9) and the fastening screws (10) through the first threaded holes (11) in the main steel beam (5);
the fixed block (7) that is provided with on the upper end lateral wall surface of support girder steel (1), fixed block (7) are provided with floor (8) with the fixed dog-ear department of support girder steel (1), second screw hole (12) and fastening nut (9) and fastening screw (10) fastening on fixed block (7) through main part girder steel (5) link to each other.
2. The constructional steel structural assembling unit as recited in claim 1, wherein: the side fixing beams (3) are arranged in a plurality, and the distance value between every two side fixing beams (3) is equal.
3. The constructional steel structural assembling unit as set forth in any one of claims 1 to 2, wherein: the installation and placement method comprises the following steps:
step S1: performing related work according to engineering conditions, preparing a workpiece, assembling related components of the support steel beam (1) and the upper panel (4), assembling fixed blocks (7) and fastening nuts (9) on the support steel beams (1) at two ends of the main steel beam (5) and fastening screws (10), correspondingly adjusting the support steel beams (1) at two ends of the main steel beam (5) according to use conditions, correspondingly installing the support steel beams according to second threaded holes (12) at the bottom of the main steel beam (5), fixing the support steel beams (1) at two ends of the main steel beam (5) by using the fastening nuts (9) and the fastening screws (10) according to use conditions, and then performing auxiliary fixing between the two support steel beams (1) through the side fixing beam (3);
step S2: before the installation, will overlap roof beam (13) and install on the surface of main part girder steel (5), utilize fastening nut (9) and fastening screw (10) to fix simultaneously, confirm after the position with circular arc restriction piece (15) card in ring groove (16) on angle fast-assembling piece (6), two angle fast-assembling pieces (6) fixed joint on top panel (4) are at circular arc restriction piece (15), rotate according to the use installation condition, confirm after the position fix the bottom of support girder steel (1), the integral erection finishes, supplementary fixed completion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110207570.8A CN112854452B (en) | 2021-02-25 | 2021-02-25 | Steel structure assembling unit for building |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110207570.8A CN112854452B (en) | 2021-02-25 | 2021-02-25 | Steel structure assembling unit for building |
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| Publication Number | Publication Date |
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| CN112854452A CN112854452A (en) | 2021-05-28 |
| CN112854452B true CN112854452B (en) | 2022-07-01 |
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| CN202110207570.8A Active CN112854452B (en) | 2021-02-25 | 2021-02-25 | Steel structure assembling unit for building |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0639684A1 (en) * | 1993-08-19 | 1995-02-22 | Ward Building Systems Limited | Structural members |
| JPH09291595A (en) * | 1996-04-24 | 1997-11-11 | Act:Kk | Reinforced structure and execution of work thereof |
| JP2002194814A (en) * | 2000-12-27 | 2002-07-10 | Mitsuo Sasaki | Builtup and mount type shelf structure |
| CN206902925U (en) * | 2017-06-14 | 2018-01-19 | 中国一冶集团有限公司 | Assembling type steel structure house support chip |
| CN108775074A (en) * | 2018-06-30 | 2018-11-09 | 聂超 | A kind of portal-rigid frames steel construction integral hoisting method |
| CN108915083A (en) * | 2018-07-06 | 2018-11-30 | 重庆大学 | A kind of novel fabricated clod wash heavy wall structural steel frame-Bracing Systems |
| CN110306674A (en) * | 2019-07-22 | 2019-10-08 | 福州大学 | Adjustable ganglionic layer high modularization steel construction SOHO building system and construction method |
| CN210105338U (en) * | 2019-04-29 | 2020-02-21 | 金环建设集团有限公司 | Construction operation support is assembled on large-span steel construction pipe truss ground |
| CN111749489A (en) * | 2020-07-08 | 2020-10-09 | 梁春梅 | Steel structure house and installation method thereof |
| CN212427533U (en) * | 2020-04-06 | 2021-01-29 | 沈阳促晋科技有限公司 | Section steel frame structure capable of being rapidly assembled and disassembled for recycling |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20051192A1 (en) * | 2005-06-23 | 2006-12-24 | Daniele Mussini | REMOVABLE MODULAR PARKING WITH AT LEAST ONE PLAN OVER THE GROUND FLOOR |
| CN106677513A (en) * | 2017-01-21 | 2017-05-17 | 浙江精工钢结构集团有限公司 | Moveable fabricated construction operating platform mechanism and construction method thereof |
-
2021
- 2021-02-25 CN CN202110207570.8A patent/CN112854452B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0639684A1 (en) * | 1993-08-19 | 1995-02-22 | Ward Building Systems Limited | Structural members |
| JPH09291595A (en) * | 1996-04-24 | 1997-11-11 | Act:Kk | Reinforced structure and execution of work thereof |
| JP2002194814A (en) * | 2000-12-27 | 2002-07-10 | Mitsuo Sasaki | Builtup and mount type shelf structure |
| CN206902925U (en) * | 2017-06-14 | 2018-01-19 | 中国一冶集团有限公司 | Assembling type steel structure house support chip |
| CN108775074A (en) * | 2018-06-30 | 2018-11-09 | 聂超 | A kind of portal-rigid frames steel construction integral hoisting method |
| CN108915083A (en) * | 2018-07-06 | 2018-11-30 | 重庆大学 | A kind of novel fabricated clod wash heavy wall structural steel frame-Bracing Systems |
| CN210105338U (en) * | 2019-04-29 | 2020-02-21 | 金环建设集团有限公司 | Construction operation support is assembled on large-span steel construction pipe truss ground |
| CN110306674A (en) * | 2019-07-22 | 2019-10-08 | 福州大学 | Adjustable ganglionic layer high modularization steel construction SOHO building system and construction method |
| CN212427533U (en) * | 2020-04-06 | 2021-01-29 | 沈阳促晋科技有限公司 | Section steel frame structure capable of being rapidly assembled and disassembled for recycling |
| CN111749489A (en) * | 2020-07-08 | 2020-10-09 | 梁春梅 | Steel structure house and installation method thereof |
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| CN112854452A (en) | 2021-05-28 |
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