A copper tile clamping device for a submerged arc furnace

Abstract

This utility model relates to the field of pressing device technology, and in particular to a pressing device for copper tiles in a submerged arc furnace. It includes a hydraulic rod, the top of which is fixed to the furnace cover. Several electrodes are installed at the bottom of the furnace cover, and two connecting rings are coaxially arranged below the furnace cover. The two connecting rings are flush and have a gap between them. The bottom of the electrodes passes through this gap. A fixing seat is installed on the inner surface of the inner connecting ring, and the top of the fixing seat is connected to the bottom of the hydraulic rod. Each electrode has copper tile plates on both sides, and each copper tile plate has a pressing block on one side. This invention uses the hydraulic rod to move the connecting rings, which in turn rotates the connecting rod. This causes one end of the connecting rod to exert a horizontal thrust on the pressing block, thus pressing the copper tile plate tightly against the electrode surface. Each copper tile plate experiences the same thrust, ensuring full contact between the copper tile plate and the electrode, improving the performance.

Description

Technical Field

[0001] This utility model relates to the field of pressing device technology, and in particular to a pressing device for copper tiles in a submerged arc furnace. Background Technology

[0002] A submerged arc furnace is an industrial electric arc furnace, mainly used for reducing and smelting raw materials such as ores and carbonaceous reducing agents through electric arc resistance heating.

[0003] Existing submerged arc furnaces use copper tiles on the electrodes to transmit current and control the electrodes. These copper tiles are typically fixed to the electrodes using a clamping device. However, existing clamping devices generally require multiple hydraulic push rods to control the clamping of different copper tiles onto the electrodes. This results in uneven pressure on the copper tiles, leading to uneven connection between the copper tiles and the electrodes and poor performance. Furthermore, since the clamping device is usually fixed to the copper tiles with bolts, replacing the copper tiles requires removing all bolts connected to the clamping mechanism, which is inconvenient. Therefore, we propose a copper tile clamping device for submerged arc furnaces. Utility Model Content

[0004] The purpose of this utility model is to address the aforementioned shortcomings in the existing technology by proposing a copper tile pressing device for a submerged arc furnace.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a copper tile pressing device for a submerged arc furnace is designed, including a hydraulic rod, the top of which is fixed to the furnace cover, several electrodes are installed at the bottom of the furnace cover, and two connecting rings are coaxially arranged below the furnace cover. The two connecting rings are flush and there is a gap between them. The bottom of the electrodes passes through the gap. A fixing seat is installed on the inner surface of the connecting ring, and the top of the fixing seat is connected to the bottom of the hydraulic rod.

[0006] Each electrode has copper tile plates on both sides, and each copper tile plate has a clamping block on one side. Each clamping block has a mounting plate on its side, and the mounting plate has a slot. Several pairs of fixing blocks are installed on the top of the two connecting rings. Each pair of fixing blocks is located on one side of the mounting plate, and each pair of fixing blocks is rotatably connected to a connecting rod inside. The other end of each connecting rod extends into the corresponding slot and is rotatably connected to the slot.

[0007] An arc-shaped limiting plate is provided at the bottom of each clamping block. The cross-section of the arc-shaped limiting plate is set in an "L" shape, and one end of the arc-shaped limiting plate extends to the top side of the clamping block, while the other end of the arc-shaped limiting plate extends to the bottom of the copper tile plate.

[0008] Several limiting grooves are provided on the bottom of the copper tile. Several limiting blocks are installed on the top of one end of each arc-shaped limiting plate. The top of the limiting blocks extends into the corresponding limiting groove. An opening groove is provided on the top of each arc-shaped limiting plate. Several connecting bolts are installed on the side of the abutting block. One end of each connecting bolt passes through the corresponding opening groove. A locking nut is threaded onto one end of each connecting bolt. When the locking nut is tightened, one end of the locking nut abuts against the side of the arc-shaped limiting plate.

[0009] Preferably, the copper tile is arc-shaped, and the curvature is consistent with the curvature of the electrode side.

[0010] Preferably, each copper tile has a skirt extending from the top, with the top of the skirt abutting against the bottom of the furnace lid.

[0011] Preferably, the top of the abutting block abuts against the bottom of the skirt.

[0012] Preferably, the connecting rod is inclined.

[0013] Preferably, the two connecting rings are connected by several strip-shaped fixing plates.

[0014] Preferably, the top of the furnace cover is connected to an oil pipeline via a pipe joint, one end of which is connected to a hydraulic rod, and the other end of which is connected to an external hydraulic station.

[0015] Preferably, the bottom edge of the furnace cover is equipped with several guide rods, and the bottom of each guide rod slides through one of the connecting rings.

[0016] The design scheme proposed in this utility model has the following beneficial effects in application:

[0017] 1. The hydraulic rod can drive the connecting ring to move, which in turn drives the connecting rod to rotate. This causes one end of the connecting rod to generate a horizontal thrust on the clamping block, thus pressing the copper tile plate tightly against the electrode surface. Each copper tile plate experiences the same thrust, ensuring full contact between the copper tile plate and the electrode and improving the performance.

[0018] 2. By tightening the locking nut, the arc-shaped limiting plate can be fixed to the side of the abutment block and the copper tile plate, thereby fixing the abutment block and the copper tile plate together. The fixing is simple and the replacement is convenient. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the structure of this utility model;

[0020] Figure 2 This is a side view of the present invention;

[0021] Figure 3This is a schematic diagram of the hydraulic rod, connecting ring, and electrode of this utility model;

[0022] Figure 4 This is a schematic diagram of the hydraulic rod, connecting ring, and copper tile structure of this utility model;

[0023] Figure 5 This is a schematic diagram of the copper tile plate, the clamping block, and the arc-shaped limiting plate of this utility model.

[0024] Figure 6 This is a schematic diagram of the arc-shaped limiting plate structure of this utility model.

[0025] In the diagram: 1. Furnace cover; 2. Oil pipeline; 3. Guide rod; 4. Connecting ring; 5. Strip fixing plate; 6. Electrode; 7. Connecting rod; 8. Fixing block; 9. Locking nut; 10. Mounting plate; 11. Copper tile plate; 12. Abutting block; 13. Hydraulic rod; 14. Opening groove; 15. Arc-shaped limiting plate; 16. Connecting bolt; 17. Strip groove; 18. Fixing seat; 19. Limiting groove; 20. Limiting block; 21. Skirt. Detailed Implementation

[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0027] Reference Figures 1-6 A copper tile pressing device for a submerged arc furnace includes a hydraulic rod 13, the top of which is fixed to a furnace cover 1. Several electrodes 6 are installed at the bottom of the furnace cover 1. In actual use, by extending the electrodes 6 into the furnace, the material inside the furnace can be heated and melted for processing.

[0028] like Figure 3 and Figure 4 As shown, two connecting rings 4 are coaxially arranged below the furnace cover 1. The two connecting rings 4 are flush and there is a gap between them. The bottom of the electrode 6 passes through this gap. A fixing seat 18 is installed on the inner surface of the connecting ring 4. The top of the fixing seat 18 is connected to the bottom of the hydraulic rod 13. The two connecting rings 4 are connected by several strip fixing plates 5. In actual use, the extension and retraction of the hydraulic rod 13 can drive the two connecting rings 4 to move synchronously, thereby adjusting the position of the connecting rings 4 on the electrode 6.

[0029] It should be noted that, as Figure 1 and Figure 2As shown, the top of the furnace cover 1 is connected to an oil supply pipe 2 via a pipe joint. One end of the oil supply pipe 2 is connected to the hydraulic rod 13, and the other end of the oil supply pipe 2 is connected to an external hydraulic station. The hydraulic oil in the hydraulic station can be transported to the hydraulic rod 13 through the oil supply pipe 2, thus controlling the extension and retraction of the hydraulic rod 13.

[0030] like Figure 3 and Figure 4 As shown, each electrode 6 has copper tile plates 11 on both sides, and each copper tile plate 11 has a pressing block 12 on one side. The pressing block 12 has a mounting plate 10 on its side, and the mounting plate 10 has a strip groove 17 on its side. Several pairs of fixing blocks 8 are installed on the top of the two connecting rings 4. Each pair of fixing blocks 8 is located on one side of the mounting plate 10, and each pair of fixing blocks 8 is rotatably connected to a connecting rod 7. The other end of each connecting rod 7 extends into the corresponding strip groove 17 and is rotatably connected to the strip groove 17. The connecting rod 7 is inclined. During use, the hydraulic rod 13 will drive the connecting ring 4 to move up and down during the extension and retraction process. When the connecting ring 4 moves up and down, it will control the connecting rod 7 to rotate. In this way, one end of the connecting rod 7 will generate a horizontal thrust on the pressing block 12, pressing the copper tile plate 11 tightly against the surface of the electrode 6.

[0031] like Figure 5 and Figure 6 As shown, each clamping block 12 has an arc-shaped limiting plate 15 at its bottom. The arc-shaped limiting plate 15 has an "L"-shaped cross-section, with one end extending to the top of the clamping block 12 and the other end extending to the bottom of the copper tile 11. Several limiting grooves 19 are provided at the bottom of the copper tile 11. Several limiting blocks 20 are installed at the top of one end of each arc-shaped limiting plate 15, with the top of the limiting blocks 20 extending into the corresponding limiting grooves 19. Each arc-shaped limiting plate 15 has an opening groove 14 at its top, and several connecting bolts 16 are installed on the side of the clamping block 12. One end of each connecting bolt 16 passes through the corresponding opening slot 14, and one end of each connecting bolt 16 is threaded with a locking sleeve 9. When the locking sleeve 9 is tightened, one end of the locking sleeve 9 abuts against the side of the arc-shaped limiting plate 15. In actual use, by moving one end of the arc-shaped limiting plate 15 into the bottom of the copper tile plate 11, the limiting block 20 moves into the corresponding limiting slot 19, and the opening slot 14 is fitted onto the connecting bolt 16. Then, by tightening the locking sleeve 9, the arc-shaped limiting plate 15 and the abutting block 12 can be fixed together, thereby fixing the abutting block 12 and the copper tile plate 11 together, which is convenient.

[0032] It should be noted that, as Figure 2 and Figure 4As shown, each copper tile 11 has a skirt 21 extending from the top. The top of the skirt 21 abuts against the bottom of the furnace cover 1, and the top of the clamping block 12 abuts against the bottom of the skirt 21. In this way, the arc-shaped limiting plate 15 and the skirt 21 can limit the distance between the clamping block 12 and the copper tile 11, so that the clamping block 12 will not slide during the clamping process.

[0033] It should be noted that the clamping block 12, the arc-shaped limiting plate 15, the mounting plate 10, the connecting rod 7, and the connecting ring 4 are all made of insulating ceramic or other hard insulating materials, so that short circuits will not occur during use.

[0034] Specifically, in use, when the copper tile plate 11 needs to be pressed, the operator controls the hydraulic rod 13 to retract. The hydraulic rod 13 drives the two connecting rings 4 to move upward. During the upward movement, the connecting rings 4 drive the connecting rod 7 to rotate. During the rotation, one end of the connecting rod 7 generates a horizontal thrust on the pressing block 12, so that the pressing block 12 is tightly pressed against the side of the copper tile plate 11, thereby ensuring full contact between the copper tile plate 11 and the electrode 6, improving the performance. When the copper tile plate 11 needs to be replaced, the operator loosens the locking nut 9, causing the end of the locking nut 9 to disengage from the side of the arc-shaped limiting plate 15. Then, the arc-shaped limiting plate 15 is moved downward to remove it from the pressing block 12. Simultaneously, the limiting block 20 disengages from the limiting groove 19, allowing the copper tile plate 11 to be removed from the electrode 6. A new copper tile plate 11 is then placed at a preset position on the electrode 6. The clamping block 12 is then pressed tightly against the side of the copper tile plate 11, with its top abutting against the bottom plate of the skirt 21. The arc-shaped limiting plate 15 is then moved to a preset bottom position on the copper tile plate 11, causing the limiting block 20 to move into the corresponding limiting groove 19. Simultaneously, the connecting bolt 16 on the clamping block 12 passes through the corresponding opening groove 14. The operator then tightens the locking nut 9 to fix the arc-shaped limiting plate 15 onto the clamping block 12 and the copper tile plate 11, thereby fixing the copper tile plate 11 onto the electrode 6, completing the replacement process.

[0035] Furthermore, such as Figure 3 and Figure 5 As shown, the copper tile 11 is arc-shaped, and the arc is consistent with the arc of the side of the electrode 6. In this way, the copper tile 11 can fully contact the surface of the electrode 6, increase the conductive area, and thus reduce the resistance between the two and improve the performance.

[0036] Furthermore, such as Figure 1 and Figure 4 As shown, several guide rods 3 are installed on the bottom edge of the furnace cover 1. The bottom of each guide rod 3 slides through one of the connecting rings 4. The guide rods 3 can limit the connecting rings 4, prevent the connecting rings 4 from rotating, and improve the performance.

[0037] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A copper shoe pressing device for a submerged arc furnace, comprising a hydraulic ram (13), characterized in that: The top of the hydraulic rod (13) is fixed on the furnace cover (1). Several electrodes (6) are installed at the bottom of the furnace cover (1). Two connecting rings (4) are also coaxially arranged below the furnace cover (1). The two connecting rings (4) are flush and there is a gap between them. The bottom of the electrode (6) passes through the gap. A fixing seat (18) is installed on the inner surface of the connecting ring (4). The top of the fixing seat (18) is connected to the bottom of the hydraulic rod (13). Each electrode (6) has a copper tile plate (11) on both sides, and each copper tile plate (11) has a pressing block (12) on one side. The pressing block (12) has a mounting plate (10) on its side. The mounting plate (10) has a strip groove (17) on its side. Several pairs of fixing blocks (8) are installed on the top of the two connecting rings (4). Each pair of fixing blocks (8) is located on one side of the mounting plate (10). Each pair of fixing blocks (8) is rotatably connected to a connecting rod (7). The other end of each connecting rod (7) extends into the corresponding strip groove (17) and is rotatably connected to the strip groove (17). An arc-shaped limiting plate (15) is provided at the bottom of each abutting block (12). The cross-section of the arc-shaped limiting plate (15) is set in an "L" shape, and one end of the arc-shaped limiting plate (15) extends to the top side of the abutting block (12), and the other end of the arc-shaped limiting plate (15) extends to the bottom of the copper tile plate (11). Several limiting grooves (19) are provided at the bottom of the copper tile plate (11). Several limiting blocks (20) are installed at the top of one end of each arc-shaped limiting plate (15). The top of the limiting block (20) extends into the corresponding limiting groove (19). An opening groove (14) is provided at the top of each arc-shaped limiting plate (15). Several connecting bolts (16) are installed on the side of the abutting block (12). One end of each connecting bolt (16) passes through the corresponding opening groove (14). A locking nut (9) is threaded onto one end of each connecting bolt (16). When the locking nut (9) is tightened, one end of the locking nut (9) abuts against the side of the arc-shaped limiting plate (15).

2. A copper shoe pressure device for a submerged arc furnace as claimed in claim 1, wherein: The copper tile plate (11) is arc-shaped, and the arc is consistent with the arc of the side of the electrode (6).

3. The copper tile clamping device for a submerged arc furnace according to claim 2, characterized in that: Each copper tile (11) has a skirt (21) extending from the top, with the top of the skirt (21) abutting against the bottom of the furnace cover (1).

4. The copper tile clamping device for a submerged arc furnace according to claim 3, characterized in that: The top of the abutting block (12) abuts against the bottom of the skirt edge (21).

5. The copper tile clamping device for a submerged arc furnace according to claim 1, characterized in that: The connecting rod (7) is set at an angle.

6. The copper tile clamping device for a submerged arc furnace according to claim 1, characterized in that: The two connecting rings (4) are connected by several strip fixing plates (5).

7. The copper tile clamping device for a submerged arc furnace according to claim 1, characterized in that: The top of the furnace cover (1) is connected to an oil pipeline (2) via a pipe joint. One end of the oil pipeline (2) is connected to a hydraulic rod (13), and the other end of the oil pipeline (2) is connected to an external hydraulic station.

8. The copper tile clamping device for a submerged arc furnace according to claim 1, characterized in that: Several guide rods (3) are installed on the bottom edge of the furnace cover (1), and the bottom of each guide rod (3) slides through one of the connecting rings (4).

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