Safety protection device of steel production equipment

Abstract

The utility model relates to the field of industrial safety engineering, in particular to a safety protection device of steel production equipment. According to the safety protection device of the steel production equipment, the angle of the storage barrel can be automatically adjusted, meanwhile, limiting can be conducted, molten iron overflowing caused by reverse rotation of the storage barrel is prevented, personnel injury is avoided, and the use safety is improved. A safety protection device of steel production equipment comprises a hanging bracket, rotating shafts and the like, and the rotating shafts are rotationally connected to the left portion and the right portion of the hanging bracket. The ratchet wheel rotates to drive the limiting block to move downwards, the telescopic spring is extruded and contracted, and when the ratchet wheel does not extrude the limiting block any more, the telescopic spring restores and drives the limiting block to move upwards to reset, so that the limiting block makes contact with the ratchet wheel, and limiting can be carried out while the angle of the storage barrel can be automatically adjusted; and molten iron overflow caused by reverse rotation of the storage barrel is prevented, personnel injury is avoided, and the use safety is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of industrial safety engineering especially relates to a safety device of steel production equipment. BACKGROUND

[0002] The main raw materials of steel production include iron ore, coal, limestone and scrap steel. In the process of steel production, hot metal casting is a key step, which involves pouring molten iron into a mold of a specific shape to form a casting of the required size and shape. In the existing hot metal casting process, the angle of the rotating disc on the storage barrel usually needs to be adjusted manually by artificial assistance to tilt the storage barrel so that the molten iron in the storage barrel can be poured into the mold. However, since the rotating disc needs to be manually held by personnel continuously during the casting process, the storage barrel cannot be limited, which may cause the storage barrel to rotate due to the operation error of personnel, resulting in molten iron overflow and further causing personnel injury, which is inconvenient.

[0003] Therefore, it is necessary to design a safety device of steel production equipment that can automatically adjust the angle of the storage barrel while limiting it to prevent the storage barrel from rotating in the opposite direction and causing molten iron overflow, avoid personnel injury, and improve the safety of use. SUMMARY

[0004] To overcome the shortcomings of the existing hot metal casting process that requires personnel to manually hold the rotating disc continuously, cannot limit the storage barrel, may cause the storage barrel to rotate due to the operation error of personnel, resulting in molten iron overflow and further causing personnel injury, the utility model provides a safety device of steel production equipment that can automatically adjust the angle of the storage barrel while limiting it to prevent the storage barrel from rotating in the opposite direction and causing molten iron overflow, avoid personnel injury, and improve the safety of use.

[0005] The technical solution is as follows: a safety device of steel production equipment, including a hanger, a storage barrel, a rotating shaft, a fixed frame, a driving assembly and an anti-reversing assembly, the left and right parts of the hanger are rotatably connected with the rotating shafts, the storage barrel is connected between the rotating shafts, the upper rear side of the hanger is connected with the fixed frame, the fixed frame is provided with a driving assembly that can automatically rotate the storage barrel, and the rotating shafts are provided with anti-reversing assemblies that can prevent the storage barrel from reversing between the hanger.

[0006] Further, the front upper part of the storage barrel is provided with a discharge nozzle.

[0007] Further, the driving assembly includes a gear, a guide rail, a first electric push rod, a connecting frame and a rack, the rotating shafts are connected with the gears, the left and right sides of the fixed frame are connected with the guide rails, the rear part of the fixed frame is connected with the first electric push rods, the first electric push rods are connected with the connecting frame between the extension ends, the left and right parts of the connecting frame are connected with the racks, and the racks are meshed with the adjacent gears.

[0008] Further, the guide rails are slidably connected with the connecting frame through the sliding grooves.

[0009] Further, the anti-reversing assembly comprises ratchets, second electric push rods, support plates, sliding rods, limiting blocks and extension springs, the ratchets are connected with each other on one part of the rotating shafts, the second electric push rods are connected with the lower sides of the two parts of the hangers, the support plates are connected with the extension ends of the second electric push rods, the sliding rods are slidably connected with the support plates, the limiting blocks are connected with the upper sides of the sliding rods, and the extension springs are connected between the limiting blocks and the adjacent support plates.

[0010] Further, the limiting blocks are wedge-shaped structures.

[0011] Beneficial effects: 1, the ratchet rotates, drives the limiting block to move downward, the extension spring is extruded and shrinks, when the ratchet no longer extrudes the limiting block, the extension spring restores, drives the limiting block to move upward and reset, so that the limiting block contacts the ratchet, so that the angle of the storage barrel can be automatically adjusted and limited at the same time, the reverse rotation of the storage barrel is prevented to prevent molten iron from overflowing, personnel injury is avoided, and the safety of use is improved.

[0012] 2, the first electric push rod on the fixed frame is started, the rack is driven to move upward, the rack and the gear are movably engaged, the rotating shaft is driven to rotate, the storage barrel is rotated and inclined, and then the molten iron in the storage barrel is discharged from the discharge nozzle for casting, so that the storage barrel can be automatically rotated without manual intervention, and the effect of preventing accidental contact with the molten iron to cause personnel injury is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a three-dimensional structure schematic view of the utility model.

[0014] Figure 2 It is a three-dimensional structure schematic view of the connecting frame and the rack and other components of the utility model.

[0015] Figure 3 It is a three-dimensional structure schematic view of the rotating shaft and the gear and other components of the utility model.

[0016] Figure 4 It is a three-dimensional structure schematic view of the sliding rod and the limiting block and other components of the utility model.

[0017] Names and serial numbers of parts in the figure: 1_hanger, 2_storage barrel, 3_rotating shaft, 4_gear, 5_fixed frame, 6_guide rail, 7_first electric push rod, 8_connecting frame, 9_rack, 10_ratchet, 11_second electric push rod, 12_support plate, 13_sliding rod, 14_limiting block, 15_extension spring. DETAILED DESCRIPTION

[0018] The technical scheme of the utility model is further explained below with reference to the drawings.

[0019] A safety protection device for steel production equipment, as shown in Figure 1 and Figure 2 , comprises a hanger 1, a storage barrel 2, a rotating shaft 3, a fixing frame 5, a driving assembly and an anti-reversing assembly, the rotating shaft 3 is rotatably connected to the left and right parts of the hanger 1, the storage barrel 2 is connected between the rotating shafts 3, the front upper part of the storage barrel 2 is provided with a discharge nozzle for facilitating discharge, the fixing frame 5 is connected to the upper rear side of the hanger 1, the driving assembly is arranged on the fixing frame 5, and the anti-reversing assembly is arranged between the rotating shaft 3 and the hanger 1.

[0020] As shown in Figures 1-3 , the driving assembly comprises a gear 4, a guide rail 6, a first electric push rod 7, a connecting frame 8 and a rack 9, the gear 4 is connected to the rotating shaft 3, the guide rail 6 is connected to the left and right sides of the fixing frame 5, the guide rail 6 is provided with a sliding groove, the first electric push rod 7 is connected to the rear part of the fixing frame 5, the connecting frame 8 is connected between the extension ends of the first electric push rod 7, the guide rail 6 is slidably connected to the connecting frame 8 through the sliding groove, the rack 9 is connected to the left and right parts of the connecting frame 8, and the rack 9 is meshed with the adjacent gear 4.

[0021] As shown in Figure 2 and Figure 4 , the anti-reversing assembly further comprises a ratchet wheel 10, a second electric push rod 11, a supporting plate 12, a sliding rod 13, a limiting block 14 and an extension spring 15, the ratchet wheel 10 is connected to one part of the rotating shaft 3 that is close to each other, the second electric push rod 11 is connected to the lower side of the left and right parts of the hanger 1, the supporting plate 12 is connected to the extension end of the second electric push rod 11, the sliding rod 13 is slidably connected to the supporting plate 12, the limiting block 14 is connected to the upper side of the sliding rod 13, the limiting block 14 is a wedge-shaped structure for limiting, the limiting block 14 is in contact with the adjacent ratchet wheel 10, and the extension spring 15 is connected between the limiting block 14 and the adjacent supporting plate 12.

[0022] In use of the device, first, the hanger 1 is hoisted to the movable equipment, then the second electric push rod 11 is started, the supporting plate 12 is moved upward, the limiting block 14 contacts the ratchet wheel 10, then the first electric push rod 7 on the fixed frame 5 is started, the connecting frame 8 is moved upward, the rack 9 is moved upward, the rack 9 and the gear 4 are meshed and moved, the rotating shaft 3 is rotated, the storage barrel 2 is rotated and inclined, then the molten iron in the storage barrel 2 is discharged from the discharge nozzle for casting, so that the storage barrel 2 can be automatically rotated without manual intervention, the personnel is prevented from being injured by accidental contact with the molten iron, the rotating shaft 3 is rotated at the same time, the ratchet wheel 10 is counterclockwise rotated, the ratchet wheel 10 extrudes the limiting block 14, the limiting block 14 and the slide rod 13 are moved downward, the telescopic spring 15 is extruded and shrunk, when the ratchet wheel 10 no longer extrudes the limiting block 14, the telescopic spring 15 restores, the limiting block 14 and the slide rod 13 are moved upward and reset, the limiting block 14 contacts the ratchet wheel 10, the limiting block 14 limits the ratchet wheel 10, the storage barrel 2 cannot be reversely rotated, so that the storage barrel 2 can be automatically angle-adjusted and limited, the molten iron is prevented from overflowing due to reverse rotation of the storage barrel 2, the personnel is prevented from being injured, and the safety in use is improved.

[0023] The preferred embodiments of the present application are described above, it should be noted that, for those skilled in the art, without departing from the principles of the present application, can make some improvements and decorations, these improvements and decorations should also be considered as the protection scope of the present application.

Claims

1. A safety guard for a steel production plant, characterized in that The utility model relates to a kind of automatic rotating storage barrel, including hanger (1), storage barrel (2), pivot (3), fixed frame (5), drive assembly and anti-inversion component, hanger (1) both sides are rotatably connected with pivot (3), pivot (3) is connected with storage barrel (2) between, the rear side of hanger (1) upper portion is connected with fixed frame (5), fixed frame (5) is equipped with the drive assembly that can automatically rotate storage barrel (2), pivot (3) is equipped with the anti-inversion component that can prevent storage barrel (2) from being inverted between hanger (1); Anti-inversion component includes ratchet wheel (10), second electric push rod (11), support plate (12), slide bar (13), limiting block (14) and extension spring (15), pivot (3) is connected with ratchet wheel (10) in one of mutually close, hanger (1) both sides are connected with second electric push rod (11) below, second electric push rod (11) is connected with support plate (12) on the extension end, support plate (12) is slidably connected with slide bar (13) on, slide bar (13) upper side is connected with limiting block (14), limiting block (14) is contacted with adjacent ratchet wheel (10), limiting block (14) is connected with adjacent support plate (12) between with extension spring (15).

2. The safety guard for a steel production facility according to claim 1, characterized in that Storage barrel (2) front upper portion is equipped with discharge nozzle.

3. The safety guard for a steel production facility according to claim 1, wherein Drive assembly includes gear (4), guide rail (6), first electric push rod (7), connecting frame (8) and rack (9), pivot (3) is connected with gear (4), fixed frame (5) both sides are connected with guide rail (6), fixed frame (5) rear portion is connected with first electric push rod (7) left and right, first electric push rod (7) extension end is connected with connecting frame (8) between, connecting frame (8) both sides are connected with rack (9), rack (9) is meshed with adjacent gear (4) each other.

4. The safety guard for a steel production facility according to claim 3, wherein Guide rail (6) is slidably connected with connecting frame (8) through the groove on guide rail (6).

5. The safety guard for a steel production facility according to claim 1, wherein Limiting block (14) is wedge structure.

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