Steel-making coil base protection device

Abstract

The utility model relates to the technical field of smelting devices, and discloses a steelmaking coil base protection device which comprises a furnace body and a protection top cover, the outer wall of the furnace body is fixedly connected with two hoisting columns which are symmetrically arranged, an overturning assembly is connected between one side of the protection top cover and the furnace body, the overturning assembly is located between the two hoisting columns, and the hoisting columns are fixedly connected with the protection top cover. The overturning assembly comprises an overturning block, a rotating rod and two symmetrically-arranged L-shaped connecting rods, the overturning block is fixedly connected with the protective top cover, the two L-shaped connecting rods are both fixedly connected with the furnace body, the overturning block is located between the two L-shaped connecting rods, one end of the rotating rod sequentially penetrates through one L-shaped connecting rod, the overturning block and the other L-shaped connecting rod, and the other end of the rotating rod penetrates through the other L-shaped connecting rod. And the rotating rod is fixedly connected with the overturning block, and the rotating rod is rotationally connected with the two L-shaped connecting rods. According to the steel-making coil base protection device, the purpose of automatically opening or closing the protection top cover can be achieved through the power assembly, and the production safety is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of smelting devices, in particular to a steelmaking furnace protection device. Background Art

[0002] Electric furnace steelmaking mainly uses arc heat. In the arc action zone, the temperature is as high as 4000℃. The smelting process is generally divided into melting period, oxidation period and reduction period. In the furnace, not only an oxidizing atmosphere but also a reducing atmosphere can be created, so the efficiency of dephosphorization and desulfurization is very high. After the raw materials are melted into molten steel, they need to be transferred to the subsequent forming device for steelmaking. The steelmaking furnace is filled with high-temperature molten steel. During the transportation process, special care must be taken to avoid the molten steel splashing and causing safety accidents.

[0003] For example, a steelmaking furnace platform with a protective function disclosed in the announcement number CN219861430U includes a steelmaking furnace body, a protective top cover is provided on the top of the steelmaking furnace body, a mounting assembly is fixedly connected to one side of the top of the steelmaking furnace body, one end of the protective top cover is rotatably connected to the mounting assembly, buckle fixing parts are fixedly connected to both sides of the steelmaking furnace body, and buckle movable parts are installed on both sides of the protective top cover. By arranging a protective top cover on the top of the steelmaking furnace body, the molten steel is encapsulated inside the steelmaking furnace body with the help of the protective top cover, which can not only block the dissipation of heat, but also prevent the molten steel from splashing outward during the transportation process, which is conducive to improving the protective performance of the furnace platform, and by arranging a hook rope on one side of the steelmaking furnace body, the handle on the protective top cover is hooked with the help of the hook rope to achieve the binding of the protective top cover, which can prevent the protective top cover from falling and hindering the pouring of the molten steel, which is conducive to further improving the protective performance of the furnace platform.

[0004] However, the protective device of the steelmaking furnace in the above technology still has the following problems:

[0005] When using hook ropes to tie down the protective top cover, workers inevitably need to touch the hook locks. However, due to the presence of high-temperature molten steel in the steelmaking furnace, the high temperature will be transmitted to the hook locks. When workers use the hook locks, there is a certain risk of scalding, which is not conducive to the safe production needs of the steelmaking furnace. Utility Model Content

[0006] In view of the deficiencies of the prior art, the utility model provides a steelmaking furnace protection device, such as: reducing manual operation of the protective top cover as much as possible, thereby reducing safety hazards during production operations.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a steelmaking furnace platform protection device, including a furnace body and a protective top cover, the outer wall of the furnace body is fixedly connected with two symmetrically arranged hanging columns, a flip assembly is connected between one side of the protective top cover and the furnace body, the flip assembly is located between the two hanging columns, the flip assembly includes a flip block, a rotating rod and two symmetrically arranged L-shaped connecting rods, the flip block is fixedly connected to the protective top cover, the two L-shaped connecting rods are fixedly connected to the furnace body, the flip block is located between the two L-shaped connecting rods, one end of the rotating rod passes through one of the L-shaped connecting rods, the flip block and the other L-shaped connecting rod in sequence, and is connected with a power assembly, the rotating rod is fixedly connected to the flip block, and the rotating rod and the two L-shaped connecting rods are both rotatably connected.

[0008] Furthermore, the power assembly includes a power motor, a driving gear and a driven gear, the driven gear is fixedly connected to the rotating rod, the power motor is fixedly connected to the L-shaped connecting rod close to the driven gear side through a connecting seat, the output shaft of the power motor is fixedly connected to the driving gear, and the driving gear is meshed with the driven gear.

[0009] Furthermore, the protective top cover is fixedly connected with fastening rings on both sides close to the two hanging columns, and the outer wall of the furnace body close to one end of the two fastening rings is connected with two opening and closing components, and the two opening and closing components are respectively connected to the two fastening rings.

[0010] Furthermore, the opening and closing assembly includes two symmetrically arranged connecting blocks, both of which are fixedly connected to the furnace body, and an L-shaped opening and closing rod is rotatably connected between the two connecting blocks via a rotating shaft. The transverse rod of the L-shaped opening and closing rod passes through the inner wall of the fastening ring and is slidably connected to the side of the fastening ring away from the two connecting blocks.

[0011] Furthermore, a compression spring is fixedly connected to one end of the L-shaped opening and closing rod away from the fastening ring and close to the furnace body, and the other end of the compression spring is fixedly connected to the furnace body.

[0012] Furthermore, the width of the L-shaped opening and closing rod is smaller than the width of the inner ring hole of the fastening ring.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] This steelmaking furnace protection device can drive the rotating rod to rotate on two L-shaped connecting rods through a power component, thereby cooperating with the flip block to drive the protective top cover to flip, thereby achieving the purpose of automatically opening or closing the protective top cover. Workers are no longer required to directly contact the furnace body, thereby improving production safety. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall appearance connection structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the overall appearance connection structure of another form of the utility model;

[0017] Figure 3 for Figure 2 A magnified schematic diagram of the connection structure at center A;

[0018] Figure 4 Based on Figure 3 Exploded schematic diagram of the connection structure;

[0019] Figure 5 It is a schematic diagram of the connection structure of the opening and closing components of the utility model.

[0020] In the figure: 1. furnace body; 2. top cover; 3. lifting column; 4. flip block; 5. rotating rod; 6. L-shaped connecting rod; 7. power motor; 8. driving gear; 9. driven gear; 10. fastening ring; 11. connecting block; 12. L-shaped opening and closing rod; 13. extrusion spring. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0022] See also Figure 1 - Figure 5 A steelmaking furnace protection device comprises a furnace body 1 and a protective top cover 2. The outer wall of the furnace body 1 is fixedly connected with two symmetrically arranged hanging columns 3. A flip assembly is connected between one side of the protective top cover 2 and the furnace body 1. The flip assembly is located between the two hanging columns 3. The flip assembly comprises a flip block 4, a rotating rod 5 and two symmetrically arranged L-shaped connecting rods 6. The flip block 4 is fixedly connected to the protective top cover 2. The two L-shaped connecting rods 6 are fixedly connected to the furnace body 1. The flip block 4 is located between the two L-shaped connecting rods 6. One end of the rotating rod 5 passes through one of the L-shaped connecting rods 6, the flip block 4 and the other L-shaped connecting rod 6 in sequence, and is connected with a power assembly. The rotating rod 5 is fixedly connected to the flip block 4, and the rotating rod 5 and the two L-shaped connecting rods 6 are both rotatably connected.

[0023] like Figure 1 - Figure 5 As shown, a steelmaking furnace protection device in the utility model is similar to the existing steelmaking furnace protection device structure, such as a steelmaking furnace with a protective function disclosed in the patent with publication number CN219861430U. The main improvement of the utility model is that it is safer when using the protective top cover 2, reducing the risk of workers being scalded by the furnace body 1. Figures 1 to 5As shown, when the steelmaking furnace protection device of the utility model is in use, when it is necessary to pour out the molten iron in the furnace body 1, the power component is first used to drive the rotating rod 5 to rotate on the two L-shaped connecting rods 6, so that the protective top cover 2 is driven to flip through the flip block 4, and the protective top cover 2 is opened or closed on the furnace body 1, thereby reducing the possibility of workers directly contacting the furnace body 1 as much as possible, and further improving the safety of the steelmaking furnace production operation.

[0024] like Figure 3 and Figure 4 As shown, the power assembly includes a power motor 7, a driving gear 8 and a driven gear 9, the driven gear 9 is fixedly connected to the rotating rod 5, the power motor 7 is fixedly connected to the L-shaped connecting rod 6 close to the side of the driven gear 9 through a connecting seat, the output shaft of the power motor 7 is fixedly connected to the driving gear 8, and the driving gear 8 is meshed with the driven gear 9. When the power assembly is used, the driving gear 8 is driven to rotate by starting the power motor 7, so that the rotating rod 5 is driven to rotate through the meshing driven gear 9, and the protective top cover 2 is opened or closed by controlling the forward and reverse rotation of the power motor 7, wherein the power motor 7 is a high temperature resistant motor and can operate normally under the high temperature environment of the furnace body 1.

[0025] like Figure 1 and Figure 2 As shown, the protective top cover 2 is fixedly connected with fastening rings 10 on both sides close to the two hanging columns 3, and the outer wall of the furnace body 1 close to one end of the two fastening rings 10 is connected with two opening and closing components, and the two opening and closing components are respectively connected to the two fastening rings 10. When the protective top cover 2 is covered on the furnace body 1, the connection between the opening and closing components and the fastening rings 10 can further improve the connection firmness between the protective top cover 2 and the furnace body 1, avoid the molten iron inside the furnace body 1 from shaking when the protective top cover 2 is closed, and the rotating rod 5 is subjected to excessive extrusion force, thereby improving the connection firmness between the protective top cover 2 and the furnace body 1.

[0026] like Figure 1 - Figure 5 As shown, the opening and closing assembly includes two symmetrically arranged connection blocks 11, both of which are fixedly connected to the furnace body 1, and an L-shaped opening and closing rod 12 is rotatably connected between the two connection blocks 11 through a rotating shaft, and the transverse rod of the L-shaped opening and closing rod 12 penetrates the inner wall of the fastening ring 10 and is slidably connected to the side of the fastening ring 10 away from the two connection blocks 11. When using the opening and closing assembly, the L-shaped opening and closing rod 12 is rotated between the two connection blocks 11 through the rotating shaft, so that the L-shaped opening and closing rod 12 is inserted into the fastening ring 10 and hooked on the fastening ring 10, thereby improving the connection firmness of the protective top cover 2 during the period of covering the furnace body 1, and preventing the molten iron in the furnace body 1 from impacting the protective top cover 2 and flushing the protective top cover 2.

[0027] like Figure 5As shown, the L-shaped opening and closing rod 12 is far away from one end of the fastening ring 10 and is fixedly connected with a squeezing spring 13 on the side close to the furnace body 1, and the other end of the squeezing spring 13 is fixedly connected to the furnace body 1. The squeezing spring 13 is squeezed outward, and the L-shaped opening and closing rod 12 is always stuck in the fastening ring 10 in cooperation with the rotating shaft, so as to prevent the L-shaped opening and closing rod 12 from being separated from the fastening ring 10 when the furnace body 1 shakes, thereby improving the connection stability. When the protective top cover 2 needs to be opened, it is only necessary to press the lower end of the L-shaped opening and closing rod 12 with a tool such as a long rod, a nail hammer, etc., and squeeze the squeezing spring 13 inward, so that the L-shaped opening and closing rod 12 can be separated from the fastening ring 10, and the purpose of opening the protective top cover 2 is completed.

[0028] like Figure 1 - Figure 5 As shown, the width of the L-shaped opening and closing rod 12 is smaller than the width of the inner ring hole of the fastening ring 10. The width of the L-shaped opening and closing rod 12 is designed to be smaller, so that the L-shaped opening and closing rod 12 can be smoothly inserted into the fastening ring 10, and the fastening ring 10 can be pressed against the top of the L-shaped opening and closing rod 12 and cannot fall due to slight misalignment of the protective top cover 2, thereby improving the convenience of connection.

[0029] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. A steelmaking furnace protection device, comprising a furnace body (1) and a protective top cover (2), wherein the outer wall of the furnace body (1) is fixedly connected with two symmetrically arranged hanging columns (3), characterized in that: A flip assembly is connected between one side of the protective top cover (2) and the furnace body (1); the flip assembly is located between the two hanging columns (3); the flip assembly comprises a flip block (4), a rotating rod (5) and two symmetrically arranged L-shaped connecting rods (6); the flip block (4) is fixedly connected to the protective top cover (2); the two L-shaped connecting rods (6) are both fixedly connected to the furnace body (1); the flip block (4) is located between the two L-shaped connecting rods (6); one end of the rotating rod (5) passes through one of the L-shaped connecting rods (6), the flip block (4) and the other L-shaped connecting rod (6) in sequence, and is connected to a power assembly; the rotating rod (5) is fixedly connected to the flip block (4); and the rotating rod (5) and the two L-shaped connecting rods (6) are both rotatably connected.

2. The steelmaking furnace protection device according to claim 1 is characterized in that: The power assembly comprises a power motor (7), a driving gear (8) and a driven gear (9); the driven gear (9) is fixedly connected to the rotating rod (5); the power motor (7) is fixedly connected to an L-shaped connecting rod (6) close to one side of the driven gear (9) via a connecting seat; the output shaft of the power motor (7) is fixedly connected to the driving gear (8); and the driving gear (8) is meshed with the driven gear (9).

3. A steelmaking furnace protection device according to claim 1 or 2, characterized in that: The protective top cover (2) is fixedly connected with fastening rings (10) on both sides close to the two hanging columns (3), and the outer wall of the furnace body (1) close to one end of the two fastening rings (10) is connected with two opening and closing components, and the two opening and closing components are respectively connected to the two fastening rings (10).

4. The steelmaking furnace protection device according to claim 3 is characterized in that: The opening and closing assembly comprises two symmetrically arranged connection blocks (11), both of which are fixedly connected to the furnace body (1), an L-shaped opening and closing rod (12) is rotatably connected between the two connection blocks (11) via a rotating shaft, and a transverse rod of the L-shaped opening and closing rod (12) penetrates the inner wall of the fastening ring (10) and is slidably connected to a side of the fastening ring (10) away from the two connection blocks (11).

5. The steelmaking furnace protection device according to claim 4 is characterized in that: The L-shaped opening and closing rod (12) is fixedly connected to a pressing spring (13) at one end away from the fastening ring (10) and close to the furnace body (1), and the other end of the pressing spring (13) is fixedly connected to the furnace body (1).

6. A steelmaking furnace protection device according to claim 4 or 5, characterized in that: The width of the L-shaped opening and closing rod (12) is smaller than the width of the inner ring hole of the fastening ring (10).

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