H-shaped steel component

Abstract

The utility model relates to the technical field of steel members, and discloses an H-shaped steel member which comprises an upper wing plate, a lower wing plate, a web plate and arc-shaped connecting parts, the arc-shaped connecting parts are arranged at the two ends of the upper wing plate and the two ends of the lower wing plate, and each arc-shaped connecting part comprises a connecting plate and a lower extension plate; an elliptical hole is formed in the web plate in a penetrating manner; the anti-torsion assembly is arranged in a cavity of the oval hole, and the anti-torsion assembly comprises a rectangular steel plate and an inclined supporting plate; and the reinforcing assembly is shaped like a Chinese character'zhong '. The overall supporting strength and torsional strength of the steel member can be improved by arranging the reinforcing assembly, the torsional strength of the steel member can be improved by arranging the arc-shaped lower extension plate, and distortion of the steel member when the steel member encounters eccentric downward pressure is reduced; the anti-torsion assembly and a support at the top end of the steel member form a triangle, and the overall stability of the steel member is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel components, in particular to an H-shaped steel component. Background Art

[0002] Steel structures offer a variety of advantages, including light weight, industrialized manufacturing, quick installation, short construction periods, excellent seismic performance, rapid investment returns, and minimal environmental pollution. Compared to reinforced concrete structures, they possess unique advantages in height, size, and lightness, making them widely used in construction. H-shaped steel, an optimized development of I-shaped steel, is an economical steel with superior cross-sectional mechanical properties.

[0003] The existing H-shaped steel components are subject to structural limitations, and their torsional strength is relatively low and their rigidity is poor. When encountering a large eccentric downward pressure, they are prone to deformation and distortion, causing the steel components to collapse. The prior art discloses an H-shaped steel component (publication number: CN213233798U), including a first wing plate, the surface of the first wing plate is coated with a fireproof layer and an anti-corrosion layer, and the anti-corrosion layer is coated above the fireproof layer; a second wing plate, the surface of the second wing plate is coated with a fireproof layer and an anti-corrosion layer, and the anti-corrosion layer is coated above the fireproof layer; a web, both ends of the web are provided with a trumpet-shaped mounting portion, and the mounting portion is respectively connected to the first wing plate and the second wing plate; a rib plate, the rib plates are evenly arranged on the sides of the web; and a rib plate.

[0004] The existing technology sets ribs to improve the torsional strength and rigidity of H-shaped steel components, but does not strengthen the connections at both ends, which may cause the two ends to be twisted by eccentric downward pressure, causing the steel components to collapse. At the same time, the existing technology does not provide a good solution to the eccentric downward pressure, and the upper limit of the H-shaped steel's bearing capacity is low.

[0005] Therefore, those skilled in the art provide an H-shaped steel member to solve the problems raised in the above background technology. Utility Model Content

[0006] In view of the deficiencies in the prior art, the present invention provides an H-shaped steel member, which solves the problems raised in the above background technology.

[0007] In order to achieve the above purpose, the present invention adopts the following technical solutions:

[0008] An H-shaped steel member includes an upper wing plate, a lower wing plate and a web plate, and also includes an arc-shaped connecting portion, the arc-shaped connecting portion is arranged at both ends of the upper wing plate and the lower wing plate, and the arc-shaped connecting portion includes a connecting plate and a lower extension plate; an elliptical hole is opened through the web plate, and the elliptical holes are distributed at equal intervals on the web plate; an anti-torsion component, the anti-torsion component is arranged in the cavity of the elliptical hole, the anti-torsion component includes a rectangular steel plate and a diagonal support plate, and the diagonal support plate is fixedly connected to the upper wing plate; a reinforcement component, the reinforcement component is welded and fixed between the upper wing plate and the lower wing plate, the reinforcement component is in the shape of a "Z" character, and the reinforcement component is welded and fixed to the web plate.

[0009] According to the H-shaped steel member, the lower extension plate is arc-shaped, the lower extension plate is fixedly connected to the two ends of the lower wing plate, and the upper extension plate is welded and fixed to the two ends of the upper wing plate.

[0010] According to the H-shaped steel member, evenly distributed mounting holes are opened on the front end wall surface of the connecting plate, and the connecting plate is welded and fixed between the lower extension plate, the extension plate and the web.

[0011] According to the H-shaped steel member, bolts are welded and fixed on the front and rear end walls of the upper wing plate, and the rectangular steel plate is welded and fixed between the top and bottom ends of the inner wall of the elliptical hole.

[0012] According to the H-shaped steel member, a through hole is formed on one side wall of the diagonal support plate close to the upper wing plate, and a bolt is movably passed through the corresponding through hole, and a nut is threadedly connected to the outer wall of the bolt.

[0013] According to the H-shaped steel member, a mounting portion is provided at one end of the diagonal support plate close to the rectangular steel plate, a first threaded hole is provided on the mounting portion, and second threaded holes are provided on the front and rear side walls of the rectangular steel plate. A threaded column is provided between the diagonal support plate and the rectangular steel plate, and the threaded column movably passes through the first threaded hole and the second threaded hole.

[0014] According to the H-shaped steel member, the number of the diagonal bracing plates is two, and the two diagonal bracing plates are symmetrical around the rectangular steel plate.

[0015] The utility model provides an H-shaped steel member. It has the following beneficial effects:

[0016] (1) The upper wing plate, the lower wing plate and the web constitute the main body of the H-shaped steel. By opening an elliptical hole in the web, steel can be saved. By setting a reinforcement component, the overall support strength and torsional strength of the steel structure can be improved. Arc-shaped connecting parts are set at both ends of the upper wing plate and the lower wing plate to increase the connection area of the steel structure. Setting the lower extension plate in an arc shape can also help to improve the torsional strength of the steel structure and reduce the distortion of the steel structure when encountering eccentric downward pressure. By setting an anti-torsion component in the elliptical hole, the anti-torsion component and the support at the top of the steel structure form a triangle, which further improves the overall stability of the steel structure.

[0017] (2) The lower extension plate is arranged in an arc shape, the lower extension plate is fixedly connected to the two ends of the lower wing plate, the upper extension plate is welded and fixed to the two ends of the upper wing plate, and the connecting plate is welded and fixed between the lower extension plate, the extension plate and the web plate, so that the connecting plate is more stable. By setting evenly distributed mounting holes on the front end wall of the connecting plate, it is convenient to install the connecting plate by bolts and nuts, and it is easy to adapt.

[0018] (3) A mounting portion is provided at one end of the diagonal support plate close to the rectangular steel plate, and a first threaded hole is provided on the mounting portion. Second threaded holes are provided on the front and rear side walls of the rectangular steel plate. A threaded column is provided between the diagonal support plate and the rectangular steel plate, and the threaded column is movable through the first threaded hole and the second threaded hole, thereby fixing the diagonal support plate and the rectangular steel plate together. By setting the number of diagonal support plates to two, the top ends of the two diagonal support plates are in the same plane as the upper wing plate, and the two diagonal support plates and the support at the top end of the steel member form an isosceles triangle, which further improves the overall stability of the steel member and improves the torsional strength of the steel member. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a front view schematic diagram of an H-shaped steel member of the present utility model;

[0020] Figure 2 This is a schematic diagram of the three-dimensional structure of an H-shaped steel member of the utility model;

[0021] Figure 3 This is a schematic diagram of the main body of an H-shaped steel member of the utility model;

[0022] Figure 4 This is a top view of an H-shaped steel member of the utility model;

[0023] Figure 5 This is a schematic diagram of the three-dimensional structure of the torsion-resistant component of an H-shaped steel member of the present invention.

[0024] Legend:

[0025] 10. Upper wing plate; 11. Lower wing plate; 12. Web plate; 13. Elliptical hole; 14. Anti-torsion assembly; 15. Reinforcement assembly; 16. Connecting plate; 17. Lower extension plate; 18. Bolt; 19. Diagonal brace plate; 20. Through hole; 21. Rectangular steel plate; 22. Threaded column. DETAILED DESCRIPTION

[0026] like Figure 1-5As shown: an H-shaped steel member, including an upper wing plate 10, a lower wing plate 11 and a web plate 12, and also including an arc-shaped connecting portion, which is arranged at both ends of the upper wing plate 10 and the lower wing plate 11, and the arc-shaped connecting portion includes a connecting plate 16 and a lower extension plate 17; an elliptical hole 13 is opened through the web plate 12, and the elliptical holes 13 are evenly spaced on the web plate 12; an anti-torsion component 14, which is arranged in the cavity of the elliptical hole 13, and the anti-torsion component 14 includes a rectangular steel plate 21 and a diagonal support plate 19, and the diagonal support plate 19 is fixedly connected to the upper wing plate 10; a reinforcement component 15, which is welded and fixed between the upper wing plate 10 and the lower wing plate 11, and the reinforcement component 15 is in the shape of a "center" character, and the reinforcement component 15 is welded and fixed to the web plate 12.

[0027] Specifically, the upper wing plate 10, the lower wing plate 11 and the web 12 constitute the main body of the H-shaped steel. By opening an elliptical hole 13 on the web 12, steel can be saved. By setting a reinforcement component 15, the overall support strength and torsional strength of the steel component can be improved. Arc-shaped connecting parts are set at both ends of the upper wing plate 10 and the lower wing plate 11 to increase the connection area of the steel component. Setting the lower extension plate 17 in an arc shape can also help improve the torsional strength of the steel component and reduce the distortion of the steel component when encountering eccentric downward pressure. By setting an anti-torsion component 14 in the elliptical hole 13, the anti-torsion component 14 and the support at the top of the steel component form a triangle, which further improves the overall stability of the steel component.

[0028] The lower extension plate 17 is curved and fixedly connected to both ends of the lower wing plate 11. The upper extension plate is welded to both ends of the upper wing plate 10. The front end wall of the connecting plate 16 is provided with evenly distributed mounting holes. The connecting plate 16 is welded and fixed between the lower extension plate 17, the extension plate, and the web 12.

[0029] Specifically, by setting the lower extension plate 17 in an arc shape, the lower extension plate 17 is fixedly connected to the two ends of the lower wing plate 11, and the upper extension plates are welded and fixed at both ends of the upper wing plate 10. The connecting plate 16 is welded and fixed between the lower extension plate 17, the extension plate and the web 12, so that the connecting plate 16 is more stable. By setting evenly distributed mounting holes on the front end wall of the connecting plate 16, it is convenient to install the connecting plate 16 through bolts 18 and nuts, and it is easy to adapt.

[0030] Bolts 18 are welded to the front and rear ends of the upper wing plate 10, and a rectangular steel plate 21 is welded between the top and bottom ends of the inner wall of the elliptical hole 13. A through-hole 20 is formed through the side of the diagonal support plate 19 near the upper wing plate 10. Bolts 18 are movably inserted through the corresponding through-holes 20, and nuts are threadedly connected to the outer wall of the bolts 18.

[0031] Specifically, fixing bolts 18 are welded on the front and rear end walls of the upper wing plate 10, and a through hole 20 is opened on the side wall of the diagonal support plate 19 close to the upper wing plate 10. The bolts 18 are movable through the corresponding through holes 20, and the diagonal support plate 19 is fixedly connected to the upper wing plate 10 by nuts and bolts 18.

[0032] The end of the diagonal brace plate 19 near the rectangular steel plate 21 is provided with a mounting portion with a first threaded hole. Second threaded holes are provided on the front and rear walls of the rectangular steel plate 21. A threaded post 22 is provided between the diagonal brace plate 19 and the rectangular steel plate 21, and the threaded post 22 is movable through the first and second threaded holes. There are two diagonal brace plates 19, which are symmetrically arranged around the rectangular steel plate 21.

[0033] Specifically, a mounting portion is provided at one end of the diagonal support plate 19 close to the rectangular steel plate 21, and a first threaded hole is opened on the mounting portion. Second threaded holes are opened on the front and rear side walls of the rectangular steel plate 21, and a threaded column 22 is provided between the diagonal support plate 19 and the rectangular steel plate 21. The threaded column 22 is movable through the first threaded hole and the second threaded hole, thereby fixing the diagonal support plate 19 and the rectangular steel plate 21 together. By setting the number of the diagonal support plates 19 to two, the top ends of the two diagonal support plates 19 are in the same plane as the upper wing plate 10, and the two diagonal support plates 19 and the support at the top end of the steel member form an isosceles triangle, which further improves the overall stability of the steel member and improves the torsional strength of the steel member.

[0034] The working principle of an H-shaped steel member of the present application is as follows: the upper wing plate 10, the lower wing plate 11 and the web 12 constitute the main body of the H-shaped steel; by providing an elliptical hole 13 on the web 12, steel can be saved; by providing a reinforcement component 15, the overall support strength and torsional strength of the steel member can be improved; arc-shaped connecting parts are provided at both ends of the upper wing plate 10 and the lower wing plate 11, which increases the connection area of the steel member; providing an arc-shaped lower extension plate 17 also helps to improve the torsional strength of the steel member and reduce the distortion of the steel member when encountering eccentric downward pressure; by providing an anti-torsion component 14 in the elliptical hole 13, the anti-torsion component 14 and the support at the top of the steel member form a triangle, which further improves the overall stability of the steel member.

[0035] The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments. The above embodiments and descriptions are merely illustrative of the principles of the present invention. Various changes and improvements may be made to the present invention without departing from the spirit and scope of the present invention, and such changes and improvements shall fall within the scope of the present invention as claimed.

Claims

1. An H-shaped steel member, comprising an upper wing plate (10), a lower wing plate (11) and a web plate (12), characterized in that: Comprising: Arc connection parts, which are arranged at both ends of the upper wing plate (10) and the lower wing plate (11). The arc connection parts include a connecting plate (16) and a lower extension plate (17); An elliptical hole (13) is penetrated through the web (12), and the elliptical holes (13) are evenly distributed on the web (12); A torsion-resistant component (14), which is arranged in the cavity of the elliptical hole (13). The torsion-resistant component (14) includes a rectangular steel plate (21) and a diagonal brace plate (19), and the diagonal brace plate (19) is fixedly connected to the upper wing plate (10); A reinforcement component (15), which is welded and fixed between the upper wing plate (10) and the lower wing plate (11). The reinforcement component (15) is in a "middle" shape, and the reinforcement component (15) is welded and fixed to the web (12).

2. The H-shaped steel member according to claim 1, characterized in that: The lower extension plate (17) is arc-shaped, and the lower extension plate (17) is fixedly connected to both ends of the lower wing plate (11). Upper extension plates are welded and fixed to both ends of the upper wing plate (10).

3. The H-shaped steel member according to claim 1, characterized in that: Mounting holes are evenly distributed on the front end wall surface of the connecting plate (16), and the connecting plate (16) is welded and fixed between the lower extension plate (17), the extension plate and the web (12).

4. The H-shaped steel member according to claim 1, characterized in that: Bolts (18) are welded and fixed to both the front end and the rear end wall surfaces of the upper wing plate (10), and the rectangular steel plate (21) is welded and fixed between the top end and the bottom end of the inner wall surface of the elliptical hole (13).

5. The H-shaped steel member according to claim 1, characterized in that: A through hole (20) is penetrated through the side wall surface of the diagonal brace plate (19) close to the upper wing plate (10), the bolt (18) movably penetrates through the corresponding through hole (20), and a nut is threadedly connected to the outer wall surface of the bolt (18).

6. The H-shaped steel member according to claim 5, characterized in that: An installation part is arranged at one end of the diagonal brace plate (19) close to the rectangular steel plate (21). A first threaded hole is provided on the installation part. Second threaded holes are provided on both the front and rear side wall surfaces of the rectangular steel plate (21). A threaded column (22) is arranged between the diagonal brace plate (19) and the rectangular steel plate (21), and the threaded column (22) movably penetrates through the first threaded hole and the second threaded hole.

7. The H-shaped steel member according to claim 6, characterized in that: The number of the diagonal brace plates (19) is two, and the two diagonal brace plates (19) are symmetrically arranged around the rectangular steel plate (21).

Images