Device for preventing trunnion of ladle of submerged arc furnace from falling off

Abstract

The utility model discloses a submerged arc furnace ladle trunnion anti-dropping device, an annular baffle plate groove and a cylinder groove are arranged outside a ladle trunnion, the baffle plate groove is arranged outside the ladle trunnion, the cylinder groove is communicated with the baffle plate groove, an anti-dropping baffle plate is embedded in the baffle plate groove, and a protective cylinder is embedded in the cylinder groove. A connecting block I and a connecting block II are arranged on the two sides of a semicircular ring I and a semicircular ring II of the anti-falling baffle, and a connecting mechanism is arranged between the connecting block I and the connecting block II; and the protection cylinder is overlapped with the axis of the anti-falling baffle and is connected with the semicircular ring I or the semicircular ring II. The anti-falling baffle and the protective cylinder are arranged, so that the stability and durability are improved, and replacement is convenient; the anti-falling baffle is in bolt connection, and the welding opening hidden danger is avoided; the protective cylinder wraps the ladle trunnion and supports the anti-falling baffle, so that the abrasion of the crown block main hook gantry hook to the ladle trunnion and the angle deflection and deformation of the anti-falling baffle are reduced; when flaw detection is carried out on the ladle trunnion, the device is taken down, and the flaw detection quality of the ladle trunnion cannot be influenced.

Description

Technical Field

[0001] The utility model belongs to the technical field of ferroalloy ore-fired furnaces, and in particular relates to an anti-dropping device for a trunnion of a molten iron ladle of an ore-fired furnace. Background Art

[0002] Ferroalloy enterprises smelt various ferroalloy products through ore-fired furnaces. The liquid alloy produced is loaded into a ladle and cast by hoisting it with a crane. After being cast into the ingot mold and condensed, a solid ferroalloy product is formed. When using a crane to lift the ladle for casting, the crane main hook gantry hook is hung with the ladle ear shaft, and the crane auxiliary hook double hook chain is hung with the ladle ear ring at the bottom of the ladle. The ladle is lifted to a suitable position, and then the auxiliary hook is slowly raised to slowly cast the liquid molten iron into the ingot mold. In order to prevent the main hook gantry hook hung with the ear shafts on both sides of the ladle from detaching from the ear shaft, a ladle ear shaft anti-detachment baffle is welded at the end of the ladle ear shaft. However, this method has the following disadvantages: First, the ladle anti-detachment baffle is prone to deformation, and the baffle needs to be corrected. If it cannot be corrected, it needs to be cut off and re-welded and restored. Second, if the baffle is opened during the lifting process, there are certain safety hazards. Third, when performing flaw detection on the trunnion of the molten iron ladle, there is a certain impact on the flaw detection quality of this part. Utility Model Content

[0003] The utility model aims to provide a device for preventing the trunnion of a molten iron ladle of an electric arc furnace from falling off, so as to solve the above-mentioned problem.

[0004] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0005] The invention discloses an anti-slip device for an ore-bearing furnace molten iron ladle ear shaft, comprising an ore-bearing shaft of the ore-bearing shaft, wherein an annular baffle groove and a barrel groove are arranged on the outer wall of the ore-bearing shaft of the ore-bearing shaft, wherein the baffle groove is arranged near the outer end of the ore-bearing shaft of the ore-bearing shaft, the barrel groove is communicated with the baffle groove, an anti-slip baffle is embedded in the baffle groove, and a protective barrel is embedded in the barrel groove, wherein the anti-slip baffle comprises a semicircular ring I and a semicircular ring II which cooperate with each other, and connecting blocks I and connecting blocks II are symmetrically arranged on both sides of the open ends of the semicircular ring I and the semicircular ring II, and a connecting mechanism is arranged between the connecting blocks I and the connecting blocks II; the axis of the protective barrel overlaps with the axis of the anti-slip baffle, and the front end face of the protective barrel is tightly connected with the rear end face of the semicircular ring I or the semicircular ring II.

[0006] In order to further realize the utility model, cutting edges are arranged in parallel on both sides of the semicircular ring I and the semicircular ring II, and the cutting edges are perpendicular to the connecting block I and the connecting block II.

[0007] In order to further realize the utility model, the anti-dropping baffle has a thickness of 40 mm, an outer diameter of 300 mm, and an inner diameter of 166 mm.

[0008] In order to further realize the utility model, the inner diameter of the protective tube is 180 mm, the outer diameter is 196 mm, the length is 220 mm, that is, the thickness is 8 mm.

[0009] In order to further realize the utility model, the connecting block I and the connecting block II are square structures, and the length, width and height are all 40 mm.

[0010] In order to further realize the utility model, through holes that cooperate with each other are arranged between the connecting block I and the connecting block II, and the connecting mechanism includes bolts, nuts and washers, and the bolts are arranged in the through holes.

[0011] In order to further realize the utility model, the distance between the baffle groove and the outer end of the trunnion of the molten iron ladle is 20 mm.

[0012] In order to further realize the utility model, the baffle groove has a depth of 10 mm and a length of 42 mm.

[0013] In order to further realize the utility model, the depth of the barrel groove is 3mm and the length is 220mm.

[0014] Compared with the prior art, the utility model has the following beneficial effects:

[0015] The utility model chisels out baffle grooves and tube grooves on the outside of the rudder shaft of the molten iron ladle for embedding the anti-detachment baffle and the protective tube, thereby ensuring the stability and durability of the anti-detachment baffle and the protective tube. If the anti-detachment baffle is deformed during use, or the protective tube is worn during use, the semicircular ring I and the semicircular ring II can be opened by bolts, and then the anti-detachment baffle or the protective tube can be removed and replaced with a new anti-detachment baffle or the protective tube; the anti-detachment baffle is bolted and will not have problems such as open welding, thereby eliminating the safety hazard of open welding of the original anti-detachment baffle of the molten iron ladle; the protective tube can protect and support the anti-detachment baffle by wrapping the rudder shaft of the rudder shaft of the rudder, thereby reducing the wear of the rudder shaft of the rudder shaft of the rudder main hook and the angular deflection and deformation of the anti-detachment baffle; when the rudder shaft of the rudder shaft is subjected to flaw detection, the utility model device is removed and installed again after the flaw detection is completed, which will not affect the flaw detection quality of the rudder shaft of the rudder shaft, and is worthy of popularization and application. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the structure of the utility model;

[0017] Figure 2 for Figure 1 A cross-sectional view of

[0018] The meanings of the accompanying numbers are as follows: 1. ladle ear shaft; 2. baffle groove; 3. cylinder groove; 4. anti-slip baffle; 4-1. semicircular ring I; 4-2. semicircular ring II; 5. protective cylinder; 6-1. connecting block I; 6-2. connecting block II; 7. connecting mechanism; 7-1. bolt; 7-2. nut; 7-3. washer; 8. trimming. DETAILED DESCRIPTION

[0019] The utility model is further described below in conjunction with the accompanying drawings and specific implementation methods.

[0020] like Figure 1-2 As shown, an anti-slip device for an ore-bearing furnace iron ladle ear shaft comprises an iron ladle ear shaft, the diameter of the iron ladle ear shaft 1 is 186 mm, an annular baffle groove 2 and a barrel groove 3 are arranged on the outer wall of the iron ladle ear shaft 1, the baffle groove 2 is arranged near the outer end of the iron ladle ear shaft 1, the distance between the baffle groove 2 and the outer end of the iron ladle ear shaft 1 is 20 mm, the depth of the baffle groove 2 is 10 mm, and the length is 42 mm, the barrel groove 3 is connected to the baffle groove 2, the depth of the barrel groove 3 is 3 mm, and the length is 220 mm, an anti-slip baffle 4 is embedded in the baffle groove 2, the anti-slip baffle 4 has a thickness of 40 mm, an outer diameter of 300 mm, and an inner diameter of 166 mm, a protective barrel 5 is embedded in the barrel groove 3, the inner diameter of the protective barrel 5 is 180 mm, the outer diameter is 196 mm, the length is 220 mm, and the thickness is 8 mm, the anti-slip baffle 4 comprises semicircular rings Ⅰ4-1 which cooperate with each other and semicircular ring II 4-2, connecting blocks I6-1 and II6-2 are symmetrically arranged on both sides of the open ends of the semicircular ring I4-1 and the semicircular ring II 4-2, the connecting blocks I6-1 and the connecting blocks II 6-2 are square structures with a length, width and height of 40 mm, and through holes that cooperate with each other are penetrated between the connecting blocks I6-1 and the connecting blocks II 6-2. A connecting mechanism 7 is set between the connecting blocks I6-1 and the connecting blocks II 6-2, and the connecting mechanism 7 includes a bolt 7-1, a nut 7-2 and a washer 7-3. The bolt 7-1 is penetrated in the through hole. Cutting edges 8 are arranged in parallel on both sides of the semicircular ring I4-1 and the semicircular ring II 4-2, and the cutting edges 8 are perpendicular to the connecting blocks I6-1 and the connecting blocks II 6-2; the axis of the protective tube 5 overlaps with the axis of the anti-slip baffle 4, and the front end face of the protective tube 5 is tightly connected to the rear end face of the semicircular ring I4-1 or the semicircular ring II 4-2.

Claims

1. A device for preventing the trunnion of a molten iron ladle from falling off in a submerged arc furnace, comprising a trunnion of a molten iron ladle, characterized in that: An annular baffle groove (2) and a barrel groove (3) are arranged on the outer wall of the molten iron ladle trunnion (1); the baffle groove (2) is arranged near the outer end of the molten iron ladle trunnion (1); the barrel groove (3) is communicated with the baffle groove (2); an anti-slip baffle (4) is embedded in the baffle groove (2); a protective barrel (5) is embedded in the barrel groove (3); the anti-slip baffle (4) comprises a semicircular ring I (4-1) and a semicircular ring II (4-2) that cooperate with each other; connecting blocks I (6-1) and connecting blocks II (6-2) are symmetrically arranged on both sides of the open ends of the semicircular ring I (4-1) and the semicircular ring II (4-2); a connecting mechanism (7) is arranged between the connecting blocks I (6-1) and the connecting blocks II (6-2); the axis of the protective barrel (5) overlaps with the axis of the anti-slip baffle (4); the front end surface of the protective barrel (5) is tightly connected to the rear end surface of the semicircular ring I (4-1) or the semicircular ring II (4-2).

2. The anti-drop device for the trunnion of the molten iron ladle of the submerged arc furnace according to claim 1, characterized in that: Cutting edges (8) are arranged in parallel on both sides of the semicircular ring I (4-1) and the semicircular ring II (4-2), and the cutting edges (8) are perpendicular to the connecting block I (6-1) and the connecting block II (6-2).

3. The anti-dropping device for the rudder of a submerged arc furnace as claimed in claim 1 or 2, characterized in that: The anti-slip baffle (4) has a thickness of 40 mm, an outer diameter of 300 mm, and an inner diameter of 166 mm.

4. The anti-dropping device for the rudder of a submerged arc furnace as claimed in claim 3, characterized in that: The protective tube (5) has an inner diameter of 180 mm, an outer diameter of 196 mm, a length of 220 mm and a thickness of 8 mm.

5. The device for preventing the trunnion of the molten iron ladle of a submerged arc furnace from falling off as claimed in claim 4, characterized in that: The connecting block I (6-1) and the connecting block II (6-2) are square structures, with a length, width and height of 40 mm each.

6. The device for preventing the trunnion of the molten iron ladle of a submerged arc furnace from falling off as claimed in claim 5, characterized in that: A through hole that cooperates with each other is provided between the connecting block I (6-1) and the connecting block II (6-2); the connecting mechanism (7) comprises a bolt (7-1), a nut (7-2) and a washer (7-3); the bolt (7-1) is provided in the through hole.

7. The device for preventing the trunnion of the molten iron ladle of a submerged arc furnace from falling off as claimed in claim 6, characterized in that: The distance between the baffle groove (2) and the outer end of the ferrous metal ladle trunnion (1) is 20 mm.

8. The device for preventing the trunnion of the molten iron ladle of an ore-fired furnace from falling off as claimed in claim 7, characterized in that: The baffle groove (2) has a depth of 10 mm and a length of 42 mm.

9. The device for preventing the trunnion of the molten iron ladle of a submerged arc furnace from falling off as claimed in claim 8, characterized in that: The barrel groove (3) has a depth of 3 mm and a length of 220 mm.

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