Platform device for replacing tapping hole sliding plate of converter

Abstract

The utility model relates to the technical field of ferrous metallurgy, and discloses a platform device for replacing a tapping hole sliding plate of a converter, which comprises a platform device, the platform device is arranged at the upper end of the platform device, a platform steel plate is arranged at the lower end of the platform device, a lifting device is further arranged on the platform device, and a control box is further arranged on one side of the platform device. A lifting ring is arranged at the upper end of the platform device, the platform device is of a steel structure, the lifting ring is arranged on the platform device, and a forklift beam body is arranged on the lower portion of the platform device, so that the platform device can be lifted or forked, the platform device is lifted or forked to a rail groove, a motor is adopted to drive an electric roller to rotate, and the platform device moves front and back on the rail groove; when the tapping hole sliding plate mechanism needs to be replaced, the tapping hole sliding plate mechanism is forked to one end of the platform device through a forklift and hoisted to the tapping hole sliding plate mechanism needing to be replaced through an electric hoist structure, the tapping hole sliding plate mechanism is replaced, time is saved, and the purpose of simply, conveniently and rapidly replacing the tapping hole sliding plate mechanism of the converter is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel metallurgy, in particular to a platform device for replacing a tapping port slide of a converter. Background Art

[0002] The slag blocking process used in converter tapping can reduce the amount of slag, reduce the content of rephosphorus and oxide inclusions, increase the alloy yield, and thus improve the quality of molten steel. Therefore, it is widely adopted by converter steelmaking plants. The main slag blocking methods for converter tapping include slag blocking ball method, slag blocking plug method, pneumatic slag blocking method, vacuum slag suction method, siphon tapping method and more than a dozen other slag blocking methods. The current development trend of converter slag blocking technology is the sliding gate slag blocking technology with higher slag blocking efficiency. The slide slag blocking mechanism consists of a tapping gate slide mechanism, a hydraulic station assembly, a hydraulic cylinder, a water cooling system, an air cooling system, and consumable refractory materials (inner and outer gate bricks) and slide bricks. The fixed slide and the sliding slide are important consumable refractory materials for the tapping gate slide mechanism. Since the service life of the slide is limited, the fixed slide and the sliding slide must be replaced after using the specified number of furnaces. Replacing the slide requires online replacement of the entire tapping gate slide mechanism.

[0003] When the tapping port slide mechanism of the converter needs to be replaced, the converter and the platform in front of the furnace are connected by a crane platform. The converter is rotated to the position for inspection and replacement of the tapping port. Each time, it is necessary to command the crane platform to manually position it, which has the problems of difficult positioning, large position deviation, long time and major safety hazards.

[0004] Therefore, we propose a platform device for replacing the tapping port slide of a converter in order to solve the above-mentioned problems. Utility Model Content

[0005] The purpose of the utility model is to provide a platform device for replacing the steel outlet slide of a converter, so as to solve the problems proposed in the above-mentioned background technology that manual positioning requires the command of a crane platform, the overall positioning is difficult, the position deviation is large, the time is long, and there are major safety hazards.

[0006] To achieve the above-mentioned object, the utility model provides the following technical solutions: a platform device for replacing a tapping port slide of a converter, comprising a platform device, wherein the upper end of the platform device is provided with a platform device, the lower end of the platform device is provided with a platform steel plate, the platform steel plate is laid in front of the converter furnace, and the platform device is further provided with a lifting device, the lifting device is used to lift the tapping port slide mechanism, a control box is further provided on one side of the platform device, and a lifting ring is provided on the upper end of the platform device for lifting;

[0007] The lifting device includes an electric hoist beam arranged on the inner side of the platform device and an electric hoist structure installed at the lower end of the electric hoist beam. The electric hoist structure is controlled to move forward and backward and up and down. Both sides of the electric hoist beam extend a certain distance from the platform device. One side can be used to hoist the steel outlet slide mechanism, and the other side is connected to the converter.

[0008] Preferably, a track groove is provided on the surface of the platform steel plate.

[0009] Preferably, an electric roller is provided at the lower end of the platform device, and the electric roller is controlled by a motor to move on the track groove to realize the forward and backward movement of the platform device. A support surface and a support pad are provided on one side of the platform steel plate, and the support pad is overlapped with the converter skirt plate, and there is a contact-type interlocking device on the support pad and the converter skirt plate.

[0010] Preferably, guardrails A and B are provided on the sides of the platform device, a hinged seat is provided on one side of guardrail B, and a safety door is provided on the inner side of the hinged seat for rotation. The safety door is provided for workers to go up and down the platform.

[0011] Preferably, the platform device is a steel frame structure, and a forklift beam structure is provided on the lower side of the platform device. The platform device can be moved to the track of another converter by utilizing the cooperation of the forklift beam structure and the forklift.

[0012] Preferably, the forklift beam structure includes a mounting groove provided on the bottom wall of the platform device and a forklift beam body provided at the lower end of the platform device. A mounting block is provided at the upper end of the forklift beam body, and the mounting block is adapted to the mounting groove. Bolts are also provided on the platform device, and the position of the forklift beam body can be fixed by means of the bolts, so that the forklift beam body is placed on the platform device and can be used in conjunction with a forklift.

[0013] Compared with the prior art, the beneficial effects of the present invention are:

[0014] 1. Through the provision of the track groove, platform device, lifting ring and lifting device, the platform device is in the form of a steel structure with a lifting ring on the top and a forklift beam body on the bottom, so that the platform device can be lifted or forked. The platform device is lifted or forked onto the track groove, and the motor is used to drive the electric roller to rotate so that the platform device moves back and forth on the track groove. When the tapping port slide mechanism needs to be replaced, the tapping port slide mechanism is forked to one end of the platform device by a forklift, and the electric hoist structure is used to lift it to the tapping port slide mechanism to be replaced. The tapping port slide mechanism is replaced, and the converter can be replaced with the tapping port slide mechanism, saving time, saving manpower, improving the safety factor, avoiding affecting the normal operation of the crane, and achieving the purpose of simple and fast replacement of the converter tapping port and slide, and can achieve the purpose of movement and application between different converters. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the overall three-dimensional structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the three-dimensional structure of the lifting device of the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional structure of the platform device of the present utility model;

[0018] Figure 4 This is a schematic diagram of the three-dimensional structure of the forklift crossbeam structure of the present utility model.

[0019] In the figure: 1. Platform steel plate; 11. Track groove; 2. Platform device; 21. Support surface; 22. Electric roller; 23. Support pad; 24. Guardrail A; 25. Guardrail B; 26. Articulated seat; 27. Safety door; 28. Forklift beam structure; 281. Mounting groove; 282. Forklift beam body; 283. Mounting block; 29. ​​Bolt; 3. Lifting ring; 4. Control box; 5. Lifting device; 51. Electric hoist beam; 52. Electric hoist structure. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] Example 1: Please refer to Figure 1 、 Figure 2 、 Figure 3 and Figure 4 A platform device for replacing a tapping port slide of a converter includes a platform device 2, a platform device 2 is provided at the upper end of the platform device 2, a platform steel plate 1 is provided at the lower end of the platform device 2, the platform steel plate 1 is laid in front of the converter furnace, a lifting device 5 is also provided on the platform device 2, the lifting device 5 is used to lift the tapping port slide mechanism, a control box 4 is also provided on one side of the platform device 2, and a lifting ring 3 is provided at the upper end of the platform device 2 for lifting;

[0022] The lifting device 5 includes an electric hoist beam 51 arranged on the inner side of the platform device 2 and an electric hoist structure 52 installed at the lower end of the electric hoist beam 51. The electric hoist structure 52 is controlled to move forward and backward and up and down. Both sides of the electric hoist beam 51 extend a certain distance from the platform device 2. One side can be used to hoist the steel outlet slide mechanism, and the other side can be connected to the converter.

[0023] A track groove 11 is formed on the surface of the platform steel plate 1 .

[0024] The lower end of the platform device 2 is provided with an electric roller 22, which is controlled by a motor to move on the track groove 11 to realize the forward and backward movement of the platform device 2. A support surface 21 and a support pad 23 are provided on one side of the platform steel plate 1. The support pad 23 overlaps the converter skirt. There is a contact-type interlocking device on the support pad 23 and the converter skirt. There is a fire door on the contact side of the converter and the platform device 2. The contact-type interlocking device cuts off the power to the device and the fire door that controls the tilting of the converter. When the converter tilts to the position for maintenance and replacement of the steel outlet, the platform device 2 is turned off. The platform device 2 is opened to overlap with the front of the converter, that is, there are two overlapping points between the platform device 2 and the converter side support surface 21 of the converter platform in front of the converter, two overlapping points between the front end support pad 23 of the platform device 2 and the converter skirt, and one overlapping point between the electric hoist beam 51 and the converter, which can reach five overlapping points. Both sides of the electric hoist beam 51 extend out of the platform device 2 for a certain distance. One side can be used to hoist the steel outlet slide mechanism, and the other side is overlapped with the converter, forming a stable structure with the support pad 23 and the support surface 21 to prevent the platform device 2 from overturning.

[0025] The side of the platform device 2 is provided with a guardrail A24 and a guardrail B25. A hinged seat 26 is provided on one side of the guardrail B25. A safety door 27 is rotatably provided on the inner side of the hinged seat 26. The safety door 27 is provided for workers to go up and down the platform.

[0026] The platform device 2 is a steel frame structure. A forklift beam structure 28 is provided on the lower side of the platform device 2. The platform device 2 can be moved to the track of another converter by using the cooperation of the forklift beam structure 28 and a forklift.

[0027] The forklift beam structure 28 includes a mounting groove 281 provided on the bottom wall of the platform device 2 and a forklift beam body 282 provided at the lower end of the platform device 2. A mounting block 283 is provided at the upper end of the forklift beam body 282, and the mounting block 283 is adapted to the mounting groove 281. Bolts 29 are also provided on the platform device 2. The bolts 29 can be used to fix the position of the forklift beam body 282, so that the forklift beam body 282 is placed on the platform device 2 and can be used in conjunction with a forklift. The disassembly and assembly are simple, and the forklift beam body 282 can be replaced.

[0028] In this embodiment: bring the forklift crossbeam body 282 close to the platform device 2, insert the mounting block 283 into the placement groove 281, and then fix it with bolts 29, so that the forklift crossbeam body 282 can be fixed on the platform device 2, which is convenient for using a forklift to move the platform device 2 to the track groove 11 of another converter when the driving cannot be involved. To perform this operation, the installation of the forklift crossbeam body 282 is relatively simple and can be replaced. The platform device 2 is a steel structure with a lifting ring 3 on the top and a forklift crossbeam body 282 on the bottom, so that the platform device 2 can be lifted or forked. The platform device 2 is hoisted or forked onto the track groove 11, and the motor is used to drive the electric roller 22 to rotate, so that the platform device 2 moves back and forth on the track groove 11. When the steel-outlet slide plate mechanism needs to be replaced, the steel-outlet slide plate mechanism is forked to one end of the platform device 2 by a forklift, and the electric hoist structure 52 is used to hoist it to the steel-outlet slide plate mechanism to be replaced. The steel-outlet slide plate mechanism is replaced, and the steel-outlet slide plate mechanism of the converter can be replaced, which saves time, saves manpower, improves the safety factor, avoids affecting the normal operation of the crane, and achieves the purpose of simply and quickly replacing the converter steel-outlet and slide plate, and can achieve the purpose of moving and applying between different converters.

[0029] Working principle: Bring the forklift beam body 282 close to the platform device 2, and insert the mounting block 283 into the placement groove 281, and then fix it with bolts 29, so that the forklift beam body 282 can be fixed on the platform device 2, and the forklift beam body 282 can be used in conjunction with a forklift. The platform device 2 is a steel structure with a lifting ring 3 on the top and a forklift beam body 282 on the bottom, so that the platform device 2 can be lifted or forked, and the platform device 2 is lifted or forked onto the track groove 11, and the motor is used to drive the electric roller 22 to rotate, so that the platform device 2 moves back and forth on the track groove 11. When the steel-tipping slide mechanism needs to be replaced, the steel-tipping slide mechanism is forked to one end of the platform device 2 by a forklift, and the electric hoist structure 52 is used to lift it to the steel-tipping slide mechanism to be replaced. The steel-tipping slide mechanism is replaced, and the converter can realize the replacement of the steel-tipping slide mechanism.

[0030] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0031] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A platform device for replacing a tapping port slide of a converter, comprising a platform device (2), characterized in that: The upper end of the platform device (2) is provided with a platform device (2), the lower end of the platform device (2) is provided with a platform steel plate (1), the platform device (2) is further provided with a lifting device (5), a control box (4) is further provided on one side of the platform device (2), and the upper end of the platform device (2) is provided with a lifting ring (3); The lifting device (5) comprises an electric hoist beam (51) arranged on the inner side of the platform device (2) and an electric hoist structure (52) installed at the lower end of the electric hoist beam (51). The electric hoist structure (52) is controlled to move forward, backward, and upward, and downward. Both sides of the electric hoist beam (51) extend a certain distance from the platform device (2).

2. The platform device for replacing the tapping hole slide of a converter according to claim 1, characterized in that: A track groove (11) is provided on the surface of the platform steel plate (1).

3. The platform device for replacing the tapping hole slide of a converter according to claim 2, characterized in that: The lower end of the platform device (2) is provided with an electric roller (22), which is controlled by a motor to move on the track groove (11) to realize the forward and backward movement of the platform device (2). A support surface (21) and a support pad (23) are provided on one side of the platform steel plate (1), and the support pad (23) is overlapped with the converter skirt plate.

4. The platform device for replacing the tapping hole slide of a converter according to claim 3, characterized in that: The side of the platform device (2) is provided with a guardrail A (24) and a guardrail B (25), one side of the guardrail B (25) is provided with a hinged seat (26), and the inner side of the hinged seat (26) is rotatably provided with a safety door (27).

5. The platform device for replacing the tapping hole slide of a converter according to claim 4, characterized in that: The platform device (2) is a steel frame structure, and a forklift crossbeam structure (28) is provided on the lower side of the platform device (2).

6. The platform device for replacing the tapping hole slide of a converter according to claim 5, characterized in that: The forklift crossbeam structure (28) includes a placement groove (281) provided on the bottom wall of the platform device (2) and a forklift crossbeam body (282) provided at the lower end of the platform device (2). A mounting block (283) is provided at the upper end of the forklift crossbeam body (282), and the mounting block (283) is adapted to the placement groove (281). Bolts (29) are also provided on the platform device (2), and the position of the forklift crossbeam body (282) can be fixed by using the bolts (29).

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