CN111364613A - Assembly type steel structure and assembly method thereof - Google Patents
Assembly type steel structure and assembly method thereof Download PDFInfo
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- CN111364613A CN111364613A CN202010257015.1A CN202010257015A CN111364613A CN 111364613 A CN111364613 A CN 111364613A CN 202010257015 A CN202010257015 A CN 202010257015A CN 111364613 A CN111364613 A CN 111364613A
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- shaped steel
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- square pipe
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- piece
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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
- E04B1/18—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
- E04B2001/2415—Brackets, gussets, joining plates
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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
- E04B2001/2418—Details of bolting
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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
- E04B2001/2445—Load-supporting elements with reinforcement at the connection point other than the connector
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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
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention discloses an assembled steel structure, which belongs to the technical field of steel structure assembly and comprises a square pipe and H-shaped steel assembled on the square pipe; the square pipe is symmetrically provided with the assembling and fixing lugs, the assembling and fixing lugs are connected with the connecting piece and are connected with the H-shaped steel through the connecting piece, and the shearing force of the H-shaped steel is transmitted to the assembling and fixing lugs through the connecting piece, so that the resultant force stress of the steel structure is realized; the invention also provides an assembly method of the assembly type steel structure. The assembly type steel structure realizes the assembly stability of the square pipe and the H-shaped steel, and is simple to operate and convenient to use.
Description
Technical Field
The invention belongs to the technical field of steel structure assembly, and particularly relates to an assembled steel structure and an assembling method thereof.
Background
The steel structure assembly technology is widely used in the technical field of construction, a structure required by a constructor is formed by assembling steel materials, the steel structure is used on a large scale in the technical fields of construction sites and construction, the existing assembly type steel structure becomes the key direction of the development of the construction industry due to the advantages of convenience in installation, reusability, convenience in transportation, low pollution and the like, and two kinds of steel materials are mainly adopted in the technical field of the existing steel structure assembly; the method comprises the following steps:
square tubular product and H shaped steel, square tubular product is the vertical atress steel of most commonly used among the prior art, and H shaped steel is the most common horizontal atress steel among the prior art, and in the prior art, there is following defect with square tubular product in the assembling process still:
h shaped steel and square tubular product adopt connected modes such as bolted connection to assemble among the prior art, but need carry out the bolt trompil to square tubular product and H shaped steel during bolted connection, the bolt trompil has caused the cross-section weakening of square tubular product and H shaped steel, produces stress concentration in the atress easily, in use has potential safety hazard scheduling problem.
Disclosure of Invention
1. Problems to be solved
Aiming at the problem of stress concentration existing after the existing assembly type steel structure is assembled, the invention provides an assembly type steel structure, the steel structure is assembled and connected through a square pipe and H-shaped steel, the stress section is increased after the connection, the stress area of the square pipe is enhanced, the stress is weakened, and the use safety risk is reduced.
2. Technical scheme
In order to solve the above problems, the present invention adopts the following technical solutions.
An assembled steel structure comprises a square pipe and H-shaped steel assembled on the square pipe;
the square pipe is symmetrically provided with the assembling and fixing lugs, the assembling and fixing lugs are connected with the connecting piece, the assembling and fixing lugs are connected with the H-shaped steel through the connecting piece, the shearing force of the H-shaped steel is transmitted to the assembling and fixing lugs through the connecting piece, and resultant force stress of a steel structure is achieved.
Preferably, the connector link comprises an airfoil connection portion and a lug connection portion; the lug plate connecting part is perpendicular to the airfoil connecting part, the H-shaped steel comprises an upper airfoil and a lower airfoil, and the airfoil connecting part is respectively connected with the upper airfoil and the lower airfoil of the H-shaped steel through bolts.
Preferably, the end face of the connecting part airfoil connecting part of the connecting piece is fixedly provided with an assembly part connected with the airfoil, one end of the upper airfoil of the H-shaped steel is fixedly provided with an installation lug, the connecting piece is sleeved at one end of the H-shaped steel, the assembly part is attached to the installation lug, and the installation lug and the assembly part are in assembly connection through a bolt.
Preferably, the connecting piece and the mounting lug abut against the side wall of the square pipe after the H-shaped steel is assembled.
In the assembled steel structure, the steel structure further comprises a reinforcing member for reinforcing the stability of the H-shaped steel and the square pipe, two ends of the reinforcing member are respectively connected with the square pipe and the H-shaped steel, and the stability of the H-shaped steel and the square pipe is improved by adopting the triangular stability.
Preferably, the reinforcing member comprises a rotating sleeve and threaded rods symmetrically arranged at two ends of the rotating sleeve, one end of each threaded rod is screwed into the rotating sleeve, and the other end of each threaded rod is fixedly connected with the connecting member;
sliding parts are symmetrically and slidably mounted on the upper wing surface and the lower wing surface of the H-shaped steel, and the surfaces of the sliding parts are fixedly connected with hinge joints;
the hinged joint is hinged with the connecting component at one end of the reinforcing component, and the connecting component at the other end of the reinforcing component is hinged on the side wall of the square pipe.
Preferably, the threaded rods at the two ends of the rotating sleeve are simultaneously screwed in or out by rotating the rotating sleeve.
The invention also provides an assembly method of the assembly type steel structure, which comprises the following steps:
s1, prefabricating and assembling a fixing lug, a connecting piece, a mounting lug, a threaded rod with a connecting member, a rotating sleeve and a sliding piece in a factory;
s2, fixedly welding the assembly fixing lug at the corresponding elevation of the square pipe, wherein the assembly fixing lug is flush with the side wall of the square pipe after welding;
s3, welding the mounting lug at the tail end of the upper wing surface of the H-shaped steel, wherein the mounting lug is perpendicular to the upper wing surface of the H-shaped steel;
s4, sleeving a connecting piece on the H-shaped steel, connecting the airfoil surface connecting part of the connecting piece with the upper airfoil surface and the lower airfoil surface of the H-shaped steel through bolts, attaching an assembly part of the connected connecting piece with an installation lug of the H-shaped steel, and connecting the assembly part with the installation lug through bolts;
s5, attaching the lug plate connecting part of the connecting piece to the side wall of the assembling and fixing lug after the H-shaped steel and the connecting piece are installed, connecting the lug plate connecting part with the assembling and fixing lug through a bolt, and attaching the installing lug of the H-shaped steel to the side wall of the square pipe after connection;
and S6, slidably mounting a sliding piece on the H-shaped steel, and hinging a reinforcing member on a hinge joint on the sliding piece to hinge the reinforcing member on the side wall of the square pipe.
Preferably, the assembly fixing lug, the connecting piece and the mounting lug which are prefabricated in the step S1 are provided with bolt holes, the prefabricated connecting piece comprises a wing surface connecting part and an ear plate connecting part, the end surface of the wing surface connecting part is connected with the mounting piece, and the wing surface connecting part, the ear plate connecting part and the mounting piece are provided with bolt holes when being prefabricated in a factory; one end of a prefabricated threaded rod is welded with a connecting member, a bolt hole is formed in the connecting member, and one end of the threaded rod is screwed into the rotating sleeve; the preformed slider is provided with a hinge joint on its rear surface.
3. Advantageous effects
Compared with the prior art, the invention has the beneficial effects that:
(1) according to the assembly type steel structure, the H-shaped steel is assembled on the square pipe through the connecting piece, and the shearing force of the H-shaped steel is transmitted to the assembly fixing lug through the connecting piece, so that the problem that the square pipe is provided with the bolt hole to assemble the H-shaped steel in the prior art is solved, and the resultant force stress of the steel structure is realized;
(2) according to the assembly type steel structure, the mounting lug is arranged on the upper wing surface of the H-shaped steel, the assembly part is mounted on the connecting part of the wing surface of the connecting piece, the assembly part is connected with the mounting lug through the high-strength bolt, and after the H-shaped steel is connected with the connecting piece and the square pipe, the mounting lug is abutted against the side wall of the square pipe, so that the stress area of the square pipe is greatly increased, and the uniform stress of the square pipe is realized;
(3) the assembly type steel structure also comprises a reinforcing structure, and the reinforcing structure greatly improves the stability of the H-shaped steel and the square pipe through the stability of a triangle, so that the stability of the steel structure after assembly is greatly realized;
(4) according to the reinforcing structure, the length of the reinforcing structure is adjusted through rotation of the rotating sleeve, and the position of the sliding part on the lower wing surface of the H-shaped steel can be adjusted, so that on one hand, the stability of the H-shaped steel and the square pipe is improved by utilizing the stability of the triangle, and the moment of shearing force is changed after the position of the sliding part on the lower wing surface of the H-shaped steel is adjusted, so that the adjusting is convenient, and the use is convenient.
(5) The invention also provides an assembly method of the assembly type steel structure, which has the advantages of simple assembly steps, convenience in operation and strong practicability.
Drawings
FIG. 1 is an assembly effect diagram of an assembly type steel structure in embodiment 1;
FIG. 2 is a schematic view of the structure of a square tube in example 1;
FIG. 3 is a view showing an assembly structure of the H-shaped steel and the square pipe in example 1;
FIG. 4 is a schematic view showing the structure of a connecting member in embodiment 1;
FIG. 5 is a schematic view showing the structure of the H-shaped steel of example 1;
FIG. 6 is an assembly effect diagram of the assembly type steel structure in embodiment 2;
FIG. 7 is a side view of the H-shaped steel of example 2;
fig. 8 is a schematic structural view of a reinforcing member in embodiment 2.
The corresponding relationship between the reference numbers of the figures and the names of the components in the figures is as follows:
10. a square tube; 11. assembling the fixing lugs;
20. h-shaped steel; 21. mounting lugs; 22. a slider; 221. a hinge joint;
30. a connecting member; 31. an assembly member;
40. a reinforcing member; 41. rotating the sleeve; 42. a threaded rod; 43. a connecting member.
Detailed Description
The invention is further described below in connection with specific embodiments of the invention.
Example 1
Fig. 1 is a schematic structural diagram of an assembled steel structure according to a preferred embodiment of the present invention, which includes a square pipe 10 and an H-shaped steel 20 assembled on the square pipe 10;
as shown in fig. 2, the square tube 10 is symmetrically provided with assembling and fixing lugs 11, and the assembling and fixing lugs 11 are provided with bolt holes; the assembling and fixing lugs 11 are aligned with the outer edge of the square pipe 10, bolt holes are formed in the assembling and fixing lugs 11, the assembling and fixing lugs 11 are connected with the connecting piece 30 through high-strength bolts, and in the invention, the square pipe 10 is connected with the H-shaped steel 20 through the connecting piece 30.
As shown in fig. 5, the H-shaped steel 20 includes an upper wing surface and a lower wing surface, one end of the upper wing surface of the H-shaped steel 20 is fixed with a mounting lug 21, the mounting lug 21 is provided with a bolt hole, and the H-shaped steel 20 is connected with the square pipe 10 through a connecting piece 30;
as shown in fig. 3 and 4, in the present embodiment, the connecting member 30 is a U-shaped structure, the connecting member 30 includes an airfoil surface connecting portion and an ear plate connecting portion, the ear plate connecting portion is perpendicular to the airfoil surface connecting portion, the airfoil surface connecting portion is respectively connected to the upper airfoil surface and the lower airfoil surface of the H-shaped steel 20 through bolts, an assembling member 31 connected to the airfoil surface is fixedly disposed on an end surface of the airfoil surface connecting portion of the connecting member 30, the assembling member 31 is provided with bolt holes, the connecting member 30 is sleeved on one end of the H-shaped steel 20, the assembling member 31 is attached to the mounting ear 21, and the mounting ear 21 and the assembling member 31 are assembled and connected through high-strength;
as shown in fig. 1, in the present embodiment, the ear plate connecting portion of the connecting member 30 is mounted on the mounting fixing ear 11 by a high-strength bolt, and the mounting ear 21 of the H-shaped steel 20 abuts against the side wall of the square pipe 10; after the installation, the shearing force of the H-shaped steel 20 is transmitted to the assembly fixing lug 11, the resultant force stress of the assembly type steel structure is realized, and the shearing force of the H-shaped steel 20 is transmitted to the side surface of the square pipe 10 through the installation lug 21, so that the stress area of the square pipe is increased.
Example 2
As shown in fig. 6 to 7, which are schematic structural views of an assembled steel structure according to another preferred embodiment of the present invention, on the basis of example 1, the present embodiment further includes a reinforcing member 40 for reinforcing the stability of the H-shaped steel 20 and the square pipe 10;
in this embodiment, the two ends of the reinforcing member 40 are respectively connected to the square pipe 10 and the H-beam 20, and the stability of the H-beam 20 and the square pipe 10 is improved by the stability of the triangle.
In this embodiment, the reinforcing member 40 includes a rotating sleeve 41 and threaded rods 42 symmetrically installed at two ends of the rotating sleeve 41, one end of the threaded rod 42 is screwed into the rotating sleeve 41, and the other end of the threaded rod 42 is fixedly connected with a connecting member 43; in this embodiment, the threaded rods 42 at both ends of the rotating sleeve 41 can be simultaneously screwed in or out by rotating the rotating sleeve 41;
in this embodiment, the upper airfoil surface and the lower airfoil surface of the H-shaped steel 20 are symmetrically and slidably provided with sliding parts 22, the cross section of each sliding part 22 forms a groove, and the grooves are slidably sleeved on the H-shaped steel 20; the surface of the sliding part 22 is fixedly connected with a hinge joint 221, and the hinge joint 221 is hinged with a reinforcing member 40.
In the invention, the rotating sleeve 41 in the reinforcing member 40 rotates, the rotating sleeve 41 rotates to slowly screw the threaded rod 42 out of the rotating sleeve 41, so that the length of the reinforcing member 40 is increased, the sliding part 22 can slide on the upper wing surface and the lower wing surface of the H-shaped steel 20, the position of the sliding part 22 is changed, the transmission position of the shearing force transmitted by the H-shaped steel 20 is changed, and the stability of the H-shaped steel 20 and the square pipe 10 is greatly improved.
The assembling method of the assembled steel structure comprises the following steps:
s1, prefabricating and assembling the fixing lug 11, the connecting piece 30, the mounting lug 21, the threaded rod 42 with the connecting member 43, the rotating sleeve 41 and the sliding piece 22 in a factory; the prefabricated assembly fixing lug 11, the connecting piece 30 and the mounting lug 21 are provided with bolt holes, the prefabricated connecting piece 30 comprises a wing surface connecting part and an ear plate connecting part, the end surface of the wing surface connecting part is connected with an assembly piece 31, and the wing surface connecting part, the ear plate connecting part and the assembly piece 31 are provided with the bolt holes when the prefabricated connecting piece is prefabricated in a factory; one end of a prefabricated threaded rod 42 is welded with a connecting member 43, a bolt hole is formed in the connecting member 43, and one end of the threaded rod 42 is screwed into the rotating sleeve 41; the preformed slider 22 is provided with a hinge 221 on its rear surface;
s2, fixedly welding the assembly fixing lug 11 at the corresponding elevation of the square pipe 10, so that the assembly fixing lug 11 is flush with the side wall of the square pipe 10;
s3, welding the mounting lug 21 at the tail end of the upper wing surface of the H-shaped steel 20, wherein the mounting lug 21 is perpendicular to the upper wing surface of the H-shaped steel 20;
s4, sleeving the connecting piece 30 on the H-shaped steel 20, connecting the airfoil surface connecting part of the connecting piece 30 with the upper airfoil surface and the lower airfoil surface of the H-shaped steel 20 through high-strength bolts, attaching the assembly piece 31 of the connecting piece 30 after connection with the mounting lug 21 of the H-shaped steel 20, and connecting the assembly piece 31 with the mounting lug 21 through high-strength bolts;
s5, attaching the ear plate connecting part of the connecting piece 30 to the side wall of the assembling and fixing ear 11 after the H-shaped steel 20 and the connecting piece 30 are installed, and connecting the ear plate connecting part and the assembling and fixing ear 11 through a high-strength bolt, so that the installing ear 21 of the H-shaped steel 20 is attached to the side wall of the square pipe 10 after connection, thereby greatly improving the stress area of the pipe and realizing the resultant stress of the assembling type steel structure;
and S6, the sliding piece 22 is slidably mounted on the H-shaped steel 20, the hinge joint 221 on the sliding piece 22 is hinged with the reinforcing member 40, and the reinforcing member 40 is hinged on the side wall of the square pipe 10.
According to the using method of the assembly type steel structure, after the H-shaped steel 20 is installed on the square pipe 10 and the H-shaped steel 20 is stressed, the shearing force of the H-shaped steel 20 is transmitted to the assembly fixing lug 11 through the connecting piece 30, and the installation lug 21 of the H-shaped steel 20 abuts against the side wall of the square pipe 10, so that the shearing force is transmitted to the side wall of the square pipe 10, the stressed area of the square pipe 10 is greatly increased, and the square pipe is reasonably stressed;
in the present invention, in order to further adjust the force transmission position of the H-beam 20, the threaded rod 42 is screwed into or out of the rotating sleeve 41 by rotating the rotating sleeve 41 in the reinforcing member 40, so as to adjust the length of the reinforcing member 40, and the slider 22 is slid, after the slider 22 is positioned on the upper wing surface and the lower wing surface of the H-beam 20, the rotating sleeve 41 is stopped to determine the length of the reinforcing member 40, and the slider 22 is stopped to slide, so that the stability of the square tube 10 and the H-beam 20 is enhanced by the stability of the triangle.
While the invention has been described in further detail in connection with specific embodiments thereof, it will be understood that the invention is not limited thereto, and that various other modifications and substitutions may be made by those skilled in the art without departing from the spirit of the invention, which should be considered to be within the scope of the invention as defined by the appended claims.
Claims (9)
1. An assembled steel structure comprises a square pipe (10) and H-shaped steel (20) assembled on the square pipe (10);
the method is characterized in that:
the square pipe (10) is symmetrically provided with assembling and fixing lugs (11), the assembling and fixing lugs (11) are connected with the connecting piece (30), the assembling and fixing lugs (11) are connected with the H-shaped steel (20) through the connecting piece (30), the shearing force of the H-shaped steel (20) is transmitted to the assembling and fixing lugs (11) through the connecting piece (30), and resultant force stress of a steel structure is achieved.
2. The fabricated steel structure of claim 1, wherein: the connecting piece (30) comprises an airfoil surface connecting part and an ear plate connecting part; the lug plate connecting part is vertical to the airfoil surface connecting part, the H-shaped steel (20) comprises an upper airfoil surface and a lower airfoil surface, and the airfoil surface connecting part is respectively connected with the upper airfoil surface and the lower airfoil surface of the H-shaped steel (20) through bolts.
3. The fabricated steel structure of claim 2, wherein: the end face of the airfoil connecting part of the connecting piece (30) is fixedly provided with an assembly piece (31) connected with the airfoil, one end of the upper airfoil of the H-shaped steel (20) is fixedly provided with an installation lug (21), the connecting piece (30) is sleeved at one end of the H-shaped steel (20) and the assembly piece (31) is attached to the installation lug (21), and the installation lug (21) and the assembly piece (31) are connected in an assembling mode through bolts.
4. The fabricated steel structure of claim 3, wherein: the connecting piece (30) and the H-shaped steel (20) are assembled, and the mounting lug (21) is abutted against the side wall of the square pipe (10).
5. The fabricated steel structure of any one of claims 2-4, wherein: the steel pipe is characterized by further comprising a reinforcing member (40) for reinforcing the stability of the H-shaped steel (20) and the square pipe (10), wherein the two ends of the reinforcing member (40) are respectively connected with the square pipe (10) and the H-shaped steel (20), and the stability of the H-shaped steel (20) and the stability of the square pipe (10) are improved by adopting the triangular stability.
6. The fabricated steel structure of claim 5, wherein: the reinforcing member (40) comprises a rotating sleeve (41) and threaded rods (42) symmetrically arranged at two ends of the rotating sleeve (41), one end of each threaded rod (42) is screwed into the rotating sleeve (41), and the other end of each threaded rod (42) is fixedly connected with a connecting member (43);
sliding parts (22) are symmetrically and slidably mounted on the upper wing surface and the lower wing surface of the H-shaped steel (20), and the surfaces of the sliding parts (22) are fixedly connected with hinge joints (221);
the hinged joint (221) is hinged with the connecting component (43) at one end of the reinforcing component (40), and the connecting component (43) at the other end of the reinforcing component (40) is hinged on the side wall of the square pipe (10).
7. The fabricated steel structure of claim 6, wherein: and when the rotating sleeve (41) rotates, the threaded rods (42) positioned at the two ends of the rotating sleeve (41) are simultaneously screwed in or out.
8. An assembling method of an assembled steel structure according to claim 6, comprising the steps of:
s1, prefabricating and assembling a fixing lug (11), a connecting piece (30), a mounting lug (21), a threaded rod (42) with a connecting component (43), a rotating sleeve (41) and a sliding piece (22) in a factory;
s2, fixedly welding the assembling and fixing lugs (11) at corresponding elevations of the square pipe 10, and enabling the assembling and fixing lugs (11) to be flush with the side wall of the square pipe (10) after welding;
s3, welding the mounting lug (21) at the tail end of the upper wing surface of the H-shaped steel (20), wherein the mounting lug (21) is perpendicular to the upper wing surface of the H-shaped steel (20);
s4, sleeving the connecting piece (30) on the H-shaped steel (20), connecting the airfoil surface connecting part of the connecting piece (30) with the upper airfoil surface and the lower airfoil surface of the H-shaped steel (20) through bolts, attaching an assembly part (31) connected with the connecting piece (30) to an installation lug (21) of the H-shaped steel (20) mutually, and connecting the assembly part (31) with the installation lug (21) through bolts;
s5, attaching the lug plate connecting part of the connecting piece (30) to the side wall of the assembling and fixing lug (11) after the H-shaped steel (20) and the connecting piece (30) are installed, connecting the lug plate connecting part and the assembling and fixing lug (11) through bolts, and attaching the installing lug (21) of the H-shaped steel (20) to the side wall of the square pipe (10) after connection;
s6, a sliding piece (22) is installed on the H-shaped steel (20) in a sliding mode, a hinge joint (221) on the sliding piece (22) is hinged with the reinforcing member (40), and the reinforcing member (40) is hinged to the side wall of the square pipe (10).
9. The assembling method of an assembled steel structure according to claim 8, wherein: bolt holes are formed in the assembly fixing lug (11), the connecting piece (30) and the mounting lug (21) which are prefabricated in the step S1, the prefabricated connecting piece (30) comprises a wing surface connecting part and an ear plate connecting part, the end surface of the wing surface connecting part is connected with the assembling piece (31), and when the prefabricated connecting piece is prefabricated in a factory, the wing surface connecting part, the ear plate connecting part and the assembling piece (31) are provided with the bolt holes; one end of a prefabricated threaded rod (42) is welded with a connecting member (43), a bolt hole is formed in the connecting member (43), and one end of the threaded rod (42) is screwed into the rotating sleeve (41); the preformed slider (22) is provided with a hinge (221) at its rear surface.
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| CN202010257015.1A CN111364613A (en) | 2020-04-03 | 2020-04-03 | Assembly type steel structure and assembly method thereof |
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| CN202010257015.1A CN111364613A (en) | 2020-04-03 | 2020-04-03 | Assembly type steel structure and assembly method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112072531A (en) * | 2020-09-18 | 2020-12-11 | 国网江苏省电力有限公司徐州供电分公司 | Transformer substation disconnecting link static contact cleaning tool |
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