H-shaped steel reinforcing structure

Abstract

The utility model relates to the field of steel members, in particular to an H-shaped steel reinforcing structure which can relieve the problems of insufficient edge flexural rigidity, local buckling risk and fatigue crack initiation when H-shaped steel bears asymmetric loads. Comprising a middle vertical first web plate, a first wing plate and a second wing plate are fixedly arranged on the upper side and the lower side of the first web plate respectively, supporting pieces are fixedly arranged between the upper first wing plate and the lower second wing plate on the left side and the right side of the first web plate at intervals front and back, and the cross section of each supporting piece is of an inverted H-shaped structure. The supporting piece comprises a second web in the front-back direction, and a third wing plate and a fourth wing plate are fixedly arranged at the front end and the rear end of the second web correspondingly. The device is easy to operate, convenient to use and suitable for various application environments.

Description

TECHNICAL FIELD

[0001] The utility model relates to a steel member field, concretely is a kind of H-shaped steel reinforcing structure. BACKGROUND

[0002] As a kind of efficient economic section steel, H-shaped steel is widely used in the field of building structure, bridge engineering and heavy machinery by its section modulus, excellent bending resistance characteristics.Its standard structure is composed of upper and lower parallel flange plate and vertical connecting web, and high bearing efficiency is realized by reasonable section distribution.

[0003] However, in practical engineering application, it is found that the traditional H-shaped steel is prone to stress concentration phenomenon in the edge area of free end of flange plate when bearing asymmetric load.The specific performance is as follows:1.Edge bending stiffness is insufficient: when transverse load acts on the end of flange plate, breakage is prone to occur;2.Local buckling risk: under the condition of compression-bending combined stress, local buckling deformation is prone to occur in the free end of flange plate;3.Fatigue crack initiation: under the action of dynamic load, the stress concentration coefficient of sharp corner at free end can reach 2.5-3.0, which becomes the preferential initiation area of fatigue crack. SUMMARY

[0004] In view of the deficiencies of the prior art, the utility model provides a kind of H-shaped steel reinforcing structure, which can alleviate the problems of insufficient edge bending stiffness, local buckling risk and fatigue crack initiation of H-shaped steel when bearing asymmetric load.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a kind of H-shaped steel reinforcing structure, including intermediate vertical first web, first web is fixedly provided with first flange plate and second flange plate on the upper and lower sides respectively, and support is fixedly arranged between the upper and lower first flange plate and second flange plate on the left and right sides of first web, and the cross section of each support is inverted H-shaped structure.

[0006] As a preferred technical scheme, the support includes a front and rear direction second web, and the third flange plate and the fourth flange plate are fixedly arranged at the front and rear ends of the second web respectively.

[0007] As a preferred technical scheme, the upper surface of the third flange plate is fixedly connected with the bottom surface of the first flange plate, the lower surface of the third flange plate is fixedly connected with the upper surface of the second flange plate, and the inner side surface of the third flange plate is fixedly connected with the side surface of the first web.

[0008] As a preferred technical scheme, the upper surface of the fourth flange plate is fixedly connected with the bottom surface of the first flange plate, the lower surface of the fourth flange plate is fixedly connected with the upper surface of the second flange plate, and the inner side surface of the fourth flange plate is fixedly connected with the side surface of the first web.

[0009] As a preferred technical scheme, a gap is left between the front end face of the front side support and the front end face of the first web.

[0010] As a preferred technical scheme, a gap is left between the rear end face of the rear side support and the rear end face of the first web.

[0011] As a preferred technical scheme, the left and right sides of the second web are respectively fixedly provided with transverse support plates.

[0012] As a preferred technical scheme, the front and rear sides of the support plate are fixedly connected with the third wing plate and the fourth wing plate respectively, and the inner side of the support plate is fixedly connected with the side of the second web.

[0013] Compared with the prior art, the H-shaped steel reinforcing structure has the following beneficial effects:

[0014] 1. The support includes a second web in the front-rear direction, the left and right ends of the second web are respectively fixedly provided with a third wing plate and a fourth wing plate, the upper surface of the third wing plate is fixedly connected with the bottom surface of the first wing plate, the lower surface of the third wing plate is fixedly connected with the upper surface of the second wing plate, the inner side of the third wing plate is fixedly connected with the side of the first web, the upper surface of the fourth wing plate is fixedly connected with the bottom surface of the first wing plate, the lower surface of the fourth wing plate is fixedly connected with the upper surface of the second wing plate, and the inner side of the fourth wing plate is fixedly connected with the side of the first web.

[0015] 2. The gap between the front end face of the front side support and the front end face of the first web and the gap between the rear end face of the rear side support and the rear end face of the first web are left, and the gaps on the left and right sides are convenient for hand insertion and facilitate the lifting of the H-shaped steel during the transportation process.

[0016] 3. The left and right sides of the second web are respectively fixedly provided with transverse support plates, the front and rear sides of the support plate are fixedly connected with the third wing plate and the fourth wing plate respectively, and the inner side of the support plate is fixedly connected with the side of the second web. BRIEF DESCRIPTION OF DRAWINGS

[0017] The accompanying drawings, which are included to provide a further understanding of the present application and constitute a part of this application, illustrate embodiments of the present application and together with the description serve to explain the principles of the present application.

[0018] Figure 1 FIG. 1 is a perspective view of the first embodiment of the present application;

[0019] Figure 2 For Figure 1 Enlarged structural schematic view of one support;

[0020] Figure 3 For the third embodiment of the utility model is a schematic view of the structure;

[0021] Figure 4 For the third embodiment of the utility model is a schematic view of the structure;

[0022] Indicated in the figure: 1. first web; 2. first wing plate; 3. second wing plate; 4. support; 41. second web; 42. third wing plate; 43. fourth wing plate; 44. support plate. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model. Embodiment 1

[0024] As Figure 1 , Figure 2 Indicated in the figure: 1. first web; 2. first wing plate; 3. second wing plate; 4. support; 41. second web; 42. third wing plate; 43. fourth wing plate; 44. support plate.

[0025] The upper surface of the third wing plate 42 is fixedly connected with the bottom surface of the first wing plate 2, the lower surface of the third wing plate 42 is fixedly connected with the upper surface of the second wing plate 3, and the inner side surface of the third wing plate 42 is fixedly connected with the side surface of the first web 1.

[0026] The upper surface of the fourth wing plate 43 is fixedly connected with the bottom surface of the first wing plate 2, the lower surface of the fourth wing plate 43 is fixedly connected with the upper surface of the second wing plate 3, and the inner side surface of the fourth wing plate 43 is fixedly connected with the side surface of the first web 1.

[0027] The front end surface of the front support 4 is left with a gap between the front end surface of the first web 1. The rear end surface of the rear support 4 is left with a gap between the rear end surface of the first web 1.

[0028] In use, the support 4 can support the upper and lower wing plates on both sides of the first web 1 in the axial direction of the H-shaped steel, thereby enhancing the compression resistance of the H-shaped steel when bearing asymmetric load, and further relieving the problems of insufficient edge bending stiffness, local buckling risk and fatigue crack initiation of the H-shaped steel when bearing asymmetric load. Embodiment 2

[0029] As shown in Figure 3 , Figure 4 , the second web 41 is fixed with a transverse support plate 44 on both sides.

[0030] The front and rear sides of the support plate 44 are fixedly connected with the third wing plate 42 and the fourth wing plate 43, respectively, and the inner side of the support plate 44 is fixedly connected with the side of the second web 41.

[0031] In use, the support plate 44 can connect and fix the wing plates on both sides of the support 4 and the second web 41, thereby facilitating the stability and firmness of the support 4.

[0032] The components used in the utility model are all general standard components or components known by those skilled in the art, and their structure and principle are well known to those skilled in the art.

[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A H-shaped steel reinforced structure, comprising a middle vertical first web, a first wing plate and a second wing plate being fixed on both sides of the first web respectively, characterized in that: The support members are fixedly arranged between the first and second wing plates on the upper and lower sides of the first web plate on the left and right sides.

2. The H-shaped steel reinforced structure according to claim 1, characterized in that: The support member comprises a second web plate in the front-rear direction, and the second web plate is fixedly provided with a third wing plate and a fourth wing plate at the front and rear ends respectively.

3. The H-shaped steel reinforced structure according to claim 2, characterized in that: The upper surface of the third wing plate is fixedly connected with the bottom surface of the first wing plate, the lower surface of the third wing plate is fixedly connected with the upper surface of the second wing plate, and the inner side surface of the third wing plate is fixedly connected with the side surface of the first web plate.

4. The H-shaped steel reinforced structure according to claim 2, characterized in that: The upper surface of the fourth wing plate is fixedly connected with the bottom surface of the first wing plate, the lower surface of the fourth wing plate is fixedly connected with the upper surface of the second wing plate, and the inner side surface of the fourth wing plate is fixedly connected with the side surface of the first web plate.

5. The H-shaped steel reinforced structure according to claim 1, characterized in that: The front end surface of the front side support member is left with a gap from the front end surface of the first web plate.

6. The H-shaped steel reinforced structure according to claim 1, characterized in that: The rear end surface of the rear side support member is left with a gap from the rear end surface of the first web plate.

7. The H-shaped steel reinforced structure according to claim 2, characterized in that: The support plate is fixedly connected with the third wing plate and the fourth wing plate at the front and rear side surfaces respectively, and is fixedly connected with the side surface of the second web plate at the inner side surface.

8. The H-shaped steel reinforced structure according to claim 7, characterized in that: ​

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