Converter platform girder protection structure

Abstract

The utility model relates to a converter platform girder protection structure, and belongs to the technical field of converter equipment in the metallurgical industry. According to the technical scheme, a converter platform girder (1) is installed at the bottom of a converter platform (5), and a supporting plate (2) is welded to the converter platform girder (1); the protection plate (14) is an F-shaped cast iron plate and comprises a cast iron plate body (9), an upper support (12) and a lower support (13), the upper support (12) and the lower support (13) which are arranged up and down are arranged on the side face of the cast iron plate body (9), and the upper support (12) and the lower support (13) are installed on the converter platform (5) and the supporting plate (2) respectively. The protective plate has the beneficial effects that the mounting firmness of the protective plate is improved, the falling rate of the protective plate is reduced, meanwhile, the protective plate realizes the middle partition between the converter platform girder and the converter, the problem of thermal deformation of the converter platform girder is prevented, and the safe production is ensured to be smoothly carried out.

Description

Technical Field

[0001] The utility model relates to a converter platform beam protection structure, belonging to the technical field of converter equipment in the metallurgical industry. Background Art

[0002] The converter platform beam in the converter workshop is in a high temperature environment at the furnace mouth for a long time, which is easy to be damaged and cause accidents, so a protective plate is needed. The protective plate in the existing technology is hung on the converter platform beam through the top lifting ring, which is easy to fall off and the installation is unstable. After the protective plate falls off, it is easy to cause the converter platform beam to be deformed and damaged by heat, resulting in major accidents, and it cannot ensure the smooth progress of safe production. Utility Model Content

[0003] The utility model aims to provide a converter platform beam protection structure, which improves the firmness of the protection plate installation and reduces the falling rate of the protection plate. At the same time, the protection plate realizes the middle partition between the converter platform beam and the converter, prevents the converter platform beam from being deformed due to heat, and solves the problems existing in the background technology.

[0004] The technical solution of the utility model is:

[0005] A converter platform beam protection structure comprises a converter platform beam, a support plate, a converter platform and a protection plate, wherein the converter platform beam is installed at the bottom of the converter platform, and the support plate is welded to the converter platform beam; the protection plate is an F-shaped cast iron plate, comprising a cast iron plate body, an upper support and a lower support, and upper and lower supports arranged in an upper and lower manner are provided on the side of the cast iron plate body, and the upper support and the lower support are respectively installed on the converter platform and the support plate.

[0006] The cast iron plate body, the upper support and the lower support are an integrated structure.

[0007] A plurality of reinforcing rib plates are welded at intervals between the lower portion of the support plate and the converter platform beam.

[0008] Both ends of the top of the cast iron plate body are provided with lifting ring threaded holes, and the cast iron plate body is connected to the lifting ring through the lifting ring threaded holes for use in lifting when the protective plate is installed.

[0009] The upper support and the lower support are respectively provided with a plurality of upper support bolt holes and lower support bolt holes, the number of the upper support bolt holes and the lower support bolt holes are the same and the positions correspond, the upper support is fixedly connected to the converter platform by a high-strength bolt 1, an upper support bolt hole and a nut 1, and the lower support is fixedly connected to the support plate by a high-strength bolt 2, a lower support bolt hole and a nut 2.

[0010] The support plate is a steel plate.

[0011] The reinforcing rib plate is a right-angled triangle structure, and two right-angled sides of the right-angled triangle structure are respectively connected to the converter platform beam and the support plate.

[0012] The beneficial effects of the utility model are: improving the firmness of the installation of the protective plate, reducing the falling rate of the protective plate, and at the same time the protective plate realizes the middle partition between the converter platform beam and the converter, preventing the converter platform beam from being deformed due to heat, and ensuring smooth and safe production. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is the front view of the protective plate of the utility model;

[0015] Figure 3 This is a side view of the protective plate of the utility model;

[0016] In the figure: converter platform beam 1, support plate 2, reinforcing rib plate 3, high-strength bolt 1 4, converter platform 5, nut 1 6, lifting eye threaded hole 7, upper support bolt hole 8, cast iron plate body 9, lower support bolt hole 10, lifting eye 11, upper support 12, lower support 13, protective plate 14, high-strength bolt 2 15, nut 2 16. DETAILED DESCRIPTION

[0017] The present invention will be further described below through examples in conjunction with the accompanying drawings.

[0018] A converter platform beam protection structure comprises a converter platform beam 1, a support plate 2, a converter platform 5 and a protection plate 14, wherein the converter platform beam 1 is installed at the bottom of the converter platform 5, and the support plate 2 is welded to the converter platform beam 1; the protection plate 14 is an F-type cast iron plate, comprising a cast iron plate body 9, an upper support 12 and a lower support 13, and the side of the cast iron plate body 9 is provided with an upper support 12 and a lower support 13 arranged up and down, and the upper support 12 and the lower support 13 are respectively installed on the converter platform 5 and the support plate 2.

[0019] The cast iron plate body 9, the upper support 12 and the lower support 13 are an integrated structure.

[0020] A plurality of reinforcing rib plates 3 are welded at intervals between the support plate 2 and the converter platform beam 1 .

[0021] Both ends of the top of the cast iron plate body 9 are provided with lifting ring threaded holes 7, and the cast iron plate body 9 is connected to the lifting ring 11 through the lifting ring threaded holes 7, which is used for lifting when the protective plate 14 is installed.

[0022] The upper support 12 and the lower support 13 are respectively provided with a plurality of upper support bolt holes 8 and lower support bolt holes 10, the upper support bolt holes 8 and the lower support bolt holes 10 are the same in number and have corresponding positions, the upper support 12 is fixedly connected to the converter platform 5 by means of high-strength bolts 14, upper support bolt holes 8 and nuts 16, and the lower support 13 is fixedly connected to the support plate 2 by means of high-strength bolts 2 15, lower support bolt holes 10 and nuts 2 16.

[0023] The support plate 2 is a steel plate.

[0024] The reinforcing rib plate 3 is a right-angled triangle structure, and two right-angled sides of the right-angled triangle structure are respectively connected to the converter platform beam 1 and the support plate 2.

[0025] In practical applications, the protection plate 14 is integrally cast by the upper support 12, the lower support 13 and the cast iron plate body 9. The cast iron plate body 9 has a length of 1930 mm, a width of 1000 mm and a thickness of 50 mm.

[0026] The support plate 2 is a steel plate welded to the converter platform beam 1. The steel plate is 50mm thick, 9500mm long and 520mm wide. The distance between the upper plane of the support plate 2 and the upper plane of the converter platform 5 is 830mm. A reinforcing rib plate 3 is welded between the lower side of the support plate 2 and the converter platform beam 1. The reinforcing rib plate 3 is 400mm long, 520mm wide and 20mm thick in a triangle shape. The interval between two adjacent reinforcing rib plates is 500mm.

[0027] The lifting ring 11 is installed in the lifting ring threaded hole 7 above the protective plate 14. The inner diameter of the lifting ring is 80 mm. The bottom of the lifting ring is an M27 external thread, and the lifting ring threaded hole is an M27 internal thread, which is used for lifting when the protective plate 14 is installed.

[0028] The upper support 12 of the protective plate 14 and the converter platform 5 are installed and fixed by high-strength bolts 4 that pass through the upper support bolt holes 8 and the converter platform 5 in sequence. The upper support 12 is 800 mm long, 150 mm wide, and 100 mm thick. The high-strength bolts 4 are M27*200 with a length of 100 mm, and then tighten the nuts 6 to fix them.

[0029] The lower support 13 of the protective plate 14 is installed and fixed to the support plate 2 by high-strength bolts 15 that pass through the lower support bolt holes 10 and the support plate 2 in sequence. The lower support 13 is 800 mm long, 200 mm wide, and 100 mm thick. The high-strength bolts 15 are M27*200 with a buckle length of 100 mm, and then the nuts 16 are tightened to fix them.

[0030] During the installation process, the support plate 2 is welded and fixed to the converter platform beam 1, and the reinforcing rib plate 3 is welded and installed between the bottom of the support plate 2 and the converter platform beam 1. The lifting ring 11 is installed in the lifting ring threaded hole 7 for lifting and installation of the F-type cast iron plate. The upper support 12 of the F-type cast iron plate is placed on the converter platform 5, and high-strength bolts 4 are used to pass through the upper support bolt holes 8 and the converter platform 5, and fixed with nuts 6. The lower support 13 is placed on the support plate 2, and high-strength bolts 15 are used to pass through the lower support bolt holes 10 and the support plate 2, and fixed with nuts 16 to complete the installation of the F-type cast iron plate. The firmness of the installation is enhanced while isolating the heat transferred to the converter platform beam 1 by the converter to prevent deformation due to heat.

[0031] The utility model is in a high temperature environment and, through reasonable arrangement, improves the firmness of the protection plate installation and reduces the shedding rate of the protection plate. At the same time, the protection plate realizes the middle partition between the converter platform beam and the converter, preventing the converter platform beam from being deformed due to heat, and effectively solves the problems existing in the background technology.

Claims

1. A converter platform beam protection structure, characterized in that: The invention comprises a converter platform beam (1), a support plate (2), a converter platform (5) and a protective plate (14); the converter platform beam (1) is mounted on the bottom of the converter platform (5); the support plate (2) is welded to the converter platform beam (1); the protective plate (14) is an F-shaped cast iron plate, comprising a cast iron plate body (9), an upper support (12) and a lower support (13); an upper support (12) and a lower support (13) are arranged in an upper and lower manner on the side of the cast iron plate body (9); the upper support (12) and the lower support (13) are mounted on the converter platform (5) and the support plate (2) respectively.

2. The converter platform beam protection structure according to claim 1, characterized in that: The cast iron plate body (9), the upper support (12) and the lower support (13) are an integrated structure.

3. A converter platform beam protection structure according to claim 1 or 2, characterized in that: A plurality of reinforcing rib plates (3) are welded at intervals between the bottom of the support plate (2) and the converter platform beam (1).

4. A converter platform beam protection structure according to claim 1 or 2, characterized in that: Both ends of the top of the cast iron plate body (9) are provided with lifting ring threaded holes (7), and the cast iron plate body (9) is connected to the lifting ring (11) via the lifting ring threaded holes (7).

5. A converter platform beam protection structure according to claim 1 or 2, characterized in that: The upper support (12) and the lower support (13) are respectively provided with a plurality of upper support bolt holes (8) and lower support bolt holes (10); the upper support bolt holes (8) and the lower support bolt holes (10) are the same in number and have corresponding positions; the upper support (12) is fixedly connected to the converter platform (5) via high-strength bolts (4), upper support bolt holes (8) and nuts (6); and the lower support (13) is fixedly connected to the support plate (2) via high-strength bolts (15), lower support bolt holes (10) and nuts (16).

6. A converter platform beam protection structure according to claim 1 or 2, characterized in that: The support plate (2) is a steel plate.

7. The converter platform beam protection structure according to claim 3, characterized in that: The reinforcing rib plate (3) is a right-angled triangle structure, and two right-angled sides of the right-angled triangle structure are respectively connected to the converter platform beam (1) and the support plate (2).

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