Front iron clamping and hoisting clamp of ferrochrome refining furnace for ferroalloy

Abstract

The utility model relates to the field of hoisting clamps, and discloses a front iron clamping hoisting clamp of an iron alloy refining ferrochrome furnace, which comprises an upper plate, an air cylinder is fixedly arranged in the center of the top of the upper plate, an output shaft of the air cylinder penetrates through the upper plate downwards, and a piston rod of the air cylinder is in sliding fit with the upper plate. The bottom end of an output shaft of the air cylinder is rotationally connected with a connecting shaft extending left and right, the left side wall and the right side wall of the upper plate are perpendicularly and fixedly connected with groove plates, sliding holes extending front and back are formed in the outer walls of the groove plates, and the outer walls of the left end and the right end of the connecting shaft are rotationally connected with a first clamping arm and a second clamping arm which are crossed. The left end and the right end of the connecting shaft penetrate through the intersection of the first clamping arm and the second clamping arm on the two sides, the upper end of the second clamping arm is rotationally connected with the outer wall of the front end of the groove plate on the same side, and the outer wall of the upper end of the first clamping arm is rotationally connected with a pulley.

Description

Technical Field

[0001] The utility model relates to the field of hoisting fixtures, in particular to a hoisting fixture for clamping iron in front of a ferrochrome furnace for ferroalloy refining. Background Art

[0002] In the production process of ferroalloy refined ferrochrome, the lifting of the iron clamp in front of the furnace is a key operation link. The current lifting method often has problems such as complex operation, unstable clamping, and low efficiency, which can hardly meet the needs of modern production.

[0003] The current lifting method may require multiple operators to work together, and the operation steps are cumbersome, which increases the risk of errors. Due to unreasonable design of the clamping mechanism or insufficient clamping force, the ingot mold may easily slip or tilt during the lifting process, causing safety accidents or product damage. Utility Model Content

[0004] In order to overcome the above-mentioned shortcomings, the utility model provides a hoisting fixture for clamping iron in front of a ferrochrome furnace for ferroalloy refining.

[0005] The technical solution adopted by this utility model:

[0006] A ferroalloy refining ferrochrome furnace front iron clamp lifting fixture, including an upper plate, a cylinder is fixedly installed at the top center of the upper plate, the output shaft of the cylinder passes through the upper plate downward, the piston rod of the cylinder is slidably matched with the upper plate, the bottom end of the output shaft of the cylinder is rotatably connected with a connecting shaft extending left and right, the left and right side walls of the upper plate are both vertically fixedly connected with a groove plate, the outer wall of the groove plate is provided with a sliding hole extending forward and backward, the outer walls of the left and right ends of the connecting shaft are rotatably connected with a clamping arm 1 and a clamping arm 2, the clamping arm 1 and the clamping arm 2 are in a cross shape, the left and right ends of the connecting shaft respectively pass through the intersection of the clamping arm 1 and the clamping arm 2 on both sides, the upper end of the clamping arm 2 is connected to the same The front end outer wall of the groove plate on the side is rotatably connected, and the upper end outer wall of the clamping arm one is rotatably connected with a pulley, the pulley is located on the inner side of the sliding hole and slidably cooperates with the sliding hole, the lower halves of the clamping arm one and the clamping arm two are hollow tubular and the left and right side walls are provided with sliding grooves, and the lower ends of the clamping arm one and the clamping arm two are slidably inserted with movable rods, and the left and right side walls of the upper end of the movable rod are vertically fixedly connected with studs, the studs pass through the sliding grooves and slidably cooperate with the sliding grooves, the outer walls of the studs are threadedly connected with locking nuts, and the locking nuts are tightly pressed against the outer walls of the clamping arm one and the clamping arm two, and the lower end of the movable rod is fixedly connected with a clamping claw, and the two clamping claws on the same side are arranged opposite to each other.

[0007] The top of the upper plate is fixedly connected with two lifting rings, which are respectively located on the left and right sides of the cylinder.

[0008] Beneficial effects of the utility model:

[0009] The utility model controls the synchronous movement of two pairs of clamping jaws by a single cylinder, simplifies the control structure, improves the operating efficiency, and ensures the synchronization and stability of clamping. The length of the clamping jaws in the clamping arm is adjustable and fixed by a locking nut. This design enables the clamp to adapt to ingot molds of different sizes, thereby improving the versatility and flexibility of the clamp. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It is a schematic diagram of the structure of the utility model;

[0011] Figure 2 It is a front view of the utility model;

[0012] Figure 3 yes Figure 2 Sectional view at AA;

[0013] Figure 4 It is a top view of the utility model;

[0014] Figure 5 yes Figure 4 Cross-section view at BB.

[0015] The specific reference numerals in all the drawings are: 1. upper plate; 2. cylinder; 3. lifting ring; 4. groove plate; 5. sliding hole; 6. coupling; 7. clamping arm one; 8. clamping arm two; 9. pulley; 10. slide groove; 11. movable rod; 12. stud; 13. locking nut; 14. clamping claw. DETAILED DESCRIPTION

[0016] like Figure 1-5As shown: a ferroalloy refining ferrochrome furnace front iron clamp lifting fixture, including an upper plate 1, a cylinder 2 is fixedly installed at the top center of the upper plate 1, the output shaft of the cylinder 2 penetrates the upper plate 1 downward, the piston rod of the cylinder 2 is slidably matched with the upper plate 1, the bottom end of the output shaft of the cylinder 2 is rotatably connected with a connecting shaft 6 extending left and right, the left and right side walls of the upper plate 1 are vertically fixedly connected with a groove plate 4, the outer wall of the groove plate 4 is provided with a sliding hole 5 extending forward and backward, the outer walls of the left and right ends of the connecting shaft 6 are rotatably connected with a clamping arm 1 7 and a clamping arm 2 8, the clamping arm 1 7 and the clamping arm 2 8 are in a cross shape, the left and right ends of the connecting shaft 6 respectively penetrate the intersection of the clamping arm 1 7 and the clamping arm 2 8 on both sides, the upper end of the clamping arm 2 8 is connected to the front end of the groove plate 4 on the same side. The outer wall is rotatably connected, and the upper outer wall of the clamping arm 7 is rotatably connected with a pulley 9, which is located on the inner side of the sliding hole 5 and slides with the sliding hole 5. The lower halves of the clamping arm 7 and the clamping arm 8 are hollow tube-shaped and the left and right side walls are provided with sliding grooves 10. The lower ends of the clamping arm 7 and the clamping arm 8 are slidably inserted with movable rods 11, and the upper left and right side walls of the movable rod 11 are vertically fixedly connected with studs 12, which pass through the sliding grooves 10 and slide with the sliding grooves 10. The outer wall of the stud 12 is threadedly connected with a locking nut 13, which is tightly pressed against the outer walls of the clamping arm 7 and the clamping arm 8. The lower end of the movable rod 11 is fixedly connected with a clamping claw 14, and the two clamping claws 14 on the same side are arranged opposite to each other.

[0017] Two lifting rings 3 are fixedly connected to the top of the upper plate 1 , and the two lifting rings 3 are respectively located on the left and right sides of the cylinder 2 .

[0018] First, the iron clamp lifting fixture for ferroalloy refining ferrochrome furnace of the utility model is connected and fixed to the lifting equipment (such as a crane or lifting machinery) through the two lifting rings 3 on its upper part, ensuring that the cylinder 2 is in the initial state, that is, the cylinder output shaft is not extended, the clamping arm 1 7 and the clamping arm 2 8 are in the open state, and the distance between the clamping jaws 14 is the largest, so as to facilitate the clamp to be put on the ingot mold to be lifted.

[0019] The operator moves the entire clamp to the top of the ingot mold and slowly lowers it until the jaws 14 are close to the edges of the two sides of the ingot mold. According to the specific size of the ingot mold, it may be necessary to first adjust the position of the movable rod 11 in the clamping arm 1 7 and the clamping arm 2 8, and loosen or tighten the stud 12 by rotating the locking nut 13, thereby adjusting the spacing between the jaws 14 to ensure that the jaws can accurately clamp the ingot mold.

[0020] After adjusting the distance between the clamping jaws, start the cylinder 2, and the cylinder output shaft pushes the connecting shaft 6 downward. The connecting shaft 6 drives the clamping arm 1 7 and the clamping arm 2 8 to rotate around their respective rotation points. Since the clamping arm 1 7 and the clamping arm 2 8 are designed in a cross shape, this rotational movement will cause the clamping arm 1 7 and the clamping arm 2 8 to gradually approach each other, thereby driving the clamping jaws 14 to clamp the ingot mold inward. During the clamping process, the pulley 9 slides in the sliding hole 5 of the groove plate 4 to ensure smooth clamping action.

[0021] When the clamp 14 firmly clamps the ingot mold, the lifting device starts to work, and the clamp and the ingot mold are lifted as a whole through the lifting ring 3, and subsequent transportation or processing operations are carried out. The utility model only protects the mechanical part, and the functions realized by the software control part related thereto are not within the protection scope of the utility model.

Claims

1. A ferroalloy refining ferrochrome furnace front iron clamp lifting fixture, comprising an upper plate (1), characterized in that: A cylinder (2) is fixedly installed at the top center of the upper plate (1), the output shaft of the cylinder (2) penetrates the upper plate (1) downward, the piston rod of the cylinder (2) is slidably matched with the upper plate (1), the bottom end of the output shaft of the cylinder (2) is rotatably connected with a connecting shaft (6) extending left and right, the left and right side walls of the upper plate (1) are vertically fixedly connected with a groove plate (4), the outer wall of the groove plate (4) is provided with a sliding hole (5) extending forward and backward, the outer walls of the left and right ends of the connecting shaft (6) are rotatably connected with a clamping arm 1 (7) and a clamping arm 2 (8), the clamping arm 1 (7) and the clamping arm 2 (8) are in a cross shape, the left and right ends of the connecting shaft (6) respectively penetrate the intersection of the clamping arm 1 (7) and the clamping arm 2 (8) on both sides, the upper end of the clamping arm 2 (8) is rotatably connected with the outer wall of the front end of the groove plate (4) on the same side, and the clamping arm 1 (7) is rotatably connected with the outer wall of the front end of the groove plate (4) on the same side. The outer wall of the upper end is rotatably connected with a pulley (9), the pulley (9) is located inside the sliding hole (5) and is slidably matched with the sliding hole (5), the lower half of the clamping arm 1 (7) and the clamping arm 2 (8) are hollow tube-shaped and the left and right side walls are provided with sliding grooves (10), the lower ends of the clamping arm 1 (7) and the clamping arm 2 (8) are slidably inserted with a movable rod (11), the upper left and right side walls of the movable rod (11) are vertically fixedly connected with a stud (12), the stud (12) passes through the sliding groove (10) and is slidably matched with the sliding groove (10), the outer wall of the stud (12) is threadedly connected with a locking nut (13), the locking nut (13) is pressed against the outer wall of the clamping arm 1 (7) and the clamping arm 2 (8), the lower end of the movable rod (11) is fixedly connected with a clamping claw (14), and the two clamping claws (14) on the same side are arranged opposite to each other.

2. The iron clamp hoisting fixture for ferrochrome furnace in front of ferroalloy refining according to claim 1 is characterized in that: Two lifting rings (3) are fixedly connected to the top of the upper plate (1), and the two lifting rings (3) are respectively located on the left and right sides of the cylinder (2).

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